CN103244449A - Ventilator - Google Patents
Ventilator Download PDFInfo
- Publication number
- CN103244449A CN103244449A CN2012100304366A CN201210030436A CN103244449A CN 103244449 A CN103244449 A CN 103244449A CN 2012100304366 A CN2012100304366 A CN 2012100304366A CN 201210030436 A CN201210030436 A CN 201210030436A CN 103244449 A CN103244449 A CN 103244449A
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- China
- Prior art keywords
- outdoor
- ventilation fan
- louver board
- shroud
- mentioned
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/12—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures
- F04D25/14—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures and having shutters, e.g. automatically closed when not in use
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Blinds (AREA)
Abstract
A ventilator comprises a ventilator body and a surface shield mounted on the ventilator body. The ventilator body comprises a ventilator frame, a fan motor, a barrel and a blind window; the barrel is formed integrally with the ventilator frame, is connected between indoors and outdoors, and serves as an air passage; and the blind window is used for opening and closing the wind path. The blind window of the ventilator comprises a plurality of louvers; and the upper end of the blind window is provided with a folding structure stopping rain flowing to the indoor direction. The ventilator has the advantages that rain can be effectively prevented from entering indoors, and product performance is improved.
Description
Technical field
The invention relates to a kind of air interchanger, particularly about a kind of ventilation fan.
Background technique
Be depicted as a kind of known ventilation fan 1 as Figure 1A and Figure 1B, can be installed in the default opening that forms in planomural member or the window-glass, comprise: ventilation fan main body 2 and the face shield 3 that is installed on the above-mentioned ventilation fan main body 2, the cylinder 4 as wind path inside and outside the integrally formed and communication chamber is constituted described ventilation fan main body 2 by ventilation fan framework, fan motor and with the ventilation fan framework, above-mentioned cylinder 4 is arranged at the outdoor, also is provided with the venetian blind 5 that opens or closes above-mentioned wind path on the described cylinder 4.
The structure of the above-mentioned prior art of picture, because the inside and outside cylinder 4 as wind path of communication chamber is arranged at the outdoor, during the fan motor running of ventilation fan main body 2, venetian blind 5 is opened.There is the situation of high wind rain to descend when outdoor, drops onto the rainwater on the venetian blind 5 or be blown to rainwater on the venetian blind 5, because of the high wind effect, might blow in the ventilation fan main body 2 along venetian blind 5, thereby finally flow to indoor.
And, because of outdoor high wind effect, can form opposing with the running of ventilation fan 1, namely from wind and the outdoor high wind head-on crash of indoor discharge, thereby influence the ventilation effect of ventilation fan 1.
Summary of the invention
The objective of the invention is to, for solving above-mentioned prior art problems, provide a kind of ventilation fan, can reduce or avoid in the rainwater invasion ventilation fan main body.
For reaching above-mentioned purpose, the invention provides a kind of ventilation fan, comprise: ventilation fan main body and the face shield that is installed on the above-mentioned ventilation fan main body, the cylinder as wind path inside and outside the integrally formed and communication chamber is constituted described ventilation fan main body by ventilation fan framework, fan motor and with the ventilation fan framework, also be provided with the venetian blind that opens or closes above-mentioned wind path, the venetian blind of described ventilation fan is made up of the plural pieces louver board, and described louver board upper end is provided with the turnover structure that stops that rainwater flows to indoor direction.
Described turnover structure is the prominent muscle that is arranged at the louver board upper end, and described prominent muscle is given prominence to the outdoor by louvered upper end and formed; The top of described prominent muscle forms the plane of inclination, and the below of described prominent muscle forms the upright sheet that protrudes from louvered plane.
Described plane of inclination still is in to the outdoor and downward-sloping state under louver board overturns the state of opening fully.
Described turnover structure is the groove that is arranged at the louver board upper end, this groove by described louvered upper end to the outdoor outstanding forms to stretch between wall and the louver board form, perhaps outstanding formation between stretching, extension wall and the louver board forms this groove to the outdoor by being fixed on attached upper end on the louver board.
Described stretching, extension wall still is in to the outdoor and downward-sloping state under louver board overturns the state of opening fully.
Described prominent muscle and above-mentioned louver board are integrally formed, and described prominent muscle is positioned at the position of equal height of the rotating shaft that is connected with cylinder with louver board or higher position.
The outdoor end of described cylinder is provided with to outdoor shroud outstanding and the downward-sloping curvecd surface type to the outdoor, and described louver board axle respectively is fixed on the inwall of outdoor of above-mentioned shroud, and venetian blind places in the above-mentioned shroud in off position the time.
The outdoor end face of described shroud is provided with bulge loop, and described bulge loop is that to protrude from internal face and the shroud of shroud integrally formed; Described louver board is provided with the flange that is sealed and matched mutually with above-mentioned bulge loop, and described flange is formed as one in the louver board part that is connected with described bulge loop, and is overlapping with bulge loop.
The lower end of the outdoor of described cylinder is provided with waterproof rib, and described cylinder is to the downward-sloping setting in above-mentioned outdoor.
Lower end at the cylinder of the outdoor of described waterproof rib is provided with weep hole.
The invention has the advantages that, can prevent effectively that the rainwater intrusion is indoor, enhance product performance.
Description of drawings
Figure 1A and Figure 1B are the schematic representation of known ventilation fan;
Fig. 2 is in the schematic perspective view of open mode for the venetian blind of first embodiment of the invention;
Fig. 3 is in the side view of open mode for the venetian blind of first embodiment of the invention;
Fig. 4 is in the three-dimensional cutaway view of open mode for the venetian blind of first embodiment of the invention;
Fig. 5 is in the stereogram of closed condition for the venetian blind of first embodiment of the invention;
Fig. 6 is the louvered stereogram of first embodiment of the invention;
Fig. 7 is in the sectional drawing of open mode for the venetian blind of second embodiment of the invention.
Summary of the invention
Fig. 2 is the schematic perspective view that the venetian blind of first embodiment of the invention is in open mode, and Fig. 3 is the side view that the venetian blind of first embodiment of the invention is in open mode, and Fig. 4 is in the three-dimensional cutaway view of open mode for the venetian blind of first embodiment of the invention.As Fig. 2, Fig. 3, shown in Figure 4, a kind of ventilation fan 10 of the first embodiment of the present invention, can be installed in the default opening that forms in planomural member or the window-glass, comprise: ventilation fan main body 11 and the face shield 19 that is installed in the front of above-mentioned ventilation fan main body 11, described ventilation fan main body 11 is by the ventilation fan framework, fan motor and with the ventilation fan framework cylinder 12 as wind path inside and outside the integrally formed and communication chamber constitutes, also in shroud 14, be provided with the venetian blind 13 that opens or closes above-mentioned wind path, described venetian blind 13 is made up of plural pieces louver board 20, and the upper end of described louver board 20 is provided with the turnover structure 30 that stops that rainwater flows to indoor direction.
Above Fig. 2, Fig. 3, shown in Figure 4 to be ventilation fan 10 in running order, and this moment, wind path was opened in louver board 20 outwards upwards upsets.
Fig. 5 is the stereogram that the venetian blind of first embodiment of the invention is in closed condition, and as shown in Figure 5, be in quit work state for ventilation fan 10 this moment, and this moment, louver board 20 maintenance hangs were closed wind path.
Fig. 6 is the stereogram of the shutter blade of first embodiment of the invention, and Fig. 6 has illustrated the structure of the louver board 20 opened fully.Outstanding formation turns down structure 30 (prominent muscle 21) to the outdoor in the upper end of louver board 20, the last direction outdoor of described prominent muscle 21 is formed slopely plane of inclination 22, under louver board 20 overturn the state of opening fully, plane of inclination 22 still was in to the outdoor and downward-sloping state.The below of described prominent muscle 21 forms the upright sheet 23 on the plane that protrudes from louver board 20.Prominent muscle 21 can be positioned at the position of equal height of the rotating shaft 24 that is connected with cylinder 12 with louver board 20 or higher position.
Pass through said structure, there is the situation of high wind rain to descend when outdoor, when the fan motor of ventilation fan main body 11 turns round, venetian blind 13 to outdoor and upward rotary moveable open, drop onto the rainwater on the venetian blind 13 or be blown to rainwater on the venetian blind 13, can flow to the indoor side along venetian blind 13 because of the high wind effect, but the turnover structure 30 that is provided with by venetian blind 13, when rainwater is blown to turnover structure 30 places, by above-mentioned turnover structure 30 rainwater barreds, so flow to the outdoor along venetian blind 13, rainwater is past dirty along venetian blind 13 because of the gravity effect at last, finally flows to the outdoor.
And, under the outdoor situation that high wind arranged, when the fan motor of ventilation fan main body 11 turns round, venetian blind 13 to outdoor and upward rotary moveable open, because of outdoor high wind effect, high wind can be invaded along venetian blind 13, form opposing with the running of the fan motor of ventilation fan main body 11, by above-mentioned turnover structure 30, when wind turns down structure 30 to this, the same barred with rainwater, along together flowing to outdoor with the indoor wind that blows out, namely form and reflux, prevent the intrusion of exogenous wind, make the ventilation of ventilation fan main body 11 become more smooth and easy.
Moreover, because prominent muscle 21 is positioned at the position of equal height of the rotating shaft 24 that is connected with cylinder 12 with louver board 20 or higher position, can not cause increasing outdoor high wind to the resistance of opening of louver board 20 because of the existence of prominent muscle 21.On the contrary, if prominent muscle 21 is positioned at the higher position of the rotating shaft 24 that is connected with cylinder 12 with louver board 20, then owing to be subjected to the gravity of the pressure of exogenous wind and louver board 20 self simultaneously in the above and below of the rotating shaft 24 of louver board 20, both sides all are subjected to the wind pressure and equidirectional vertical gravity of equidirectional level about it, both sides mutually offset a part with respect to the formed moment of rotating shaft 24 these fulcrums, thereby are conducive to reduce exogenous wind on the contrary and hinder the active force that whole louver board 20 stays open state.
In addition, drop onto the rainwater on the venetian blind 13 or be blown to rainwater on the venetian blind 13 if having, can rise because of the louver board 20 of high wind effect along venetian blind 13, flow to the indoor side by cylinder 12, but by the prominent muscle 21 integrally formed with louver board 20, when rainwater is blown to upright sheet 23 places of prominent muscle 21 belows formation, upright sheet 23 barreds by this prominent muscle 21 belows formation, can prevent that rainwater from continuing to flow to the indoor side along louver board 20, even rainy water droplet spatters on plane of inclination 22 once in a while, also can be owing to plane of inclination 22 be to be in outwards downward-sloping state, and flow back on the plane of louver board 20.Rainwater because of the below stream of gravity effect along louver board 20 toward the outdoor, flows to the outdoor at last.
And when the fan motor of ventilation fan main body 11 turned round, the plane of inclination 22 by prominent muscle 21 tops form had the guiding wind action, makes the ventilation of ventilation fan main body 11 more smooth and easy.
In addition, because described prominent muscle 21 be integrally formed with louver board 20, can simplified structure, the while also can be reduced die cost.
Again please referring to Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the outdoor end of described cylinder 12 is provided with top to outdoor shroud 14 outstanding and the downward-sloping curvecd surface type to the outdoor, described louver board 20 axle respectively is fixed on the inwall of outdoor of above-mentioned shroud 14, and namely venetian blind 13 places in the above-mentioned shroud 14 in off position the time.
As shown in Figure 5, pass through said structure, there is the situation of high wind rain to descend when outdoor, owing to be provided with to outdoor outstanding shroud 14, no matter whether the fan motor of ventilation fan main body 11 turns round, when rainwater, rainwater at first drips or is blown on the shroud 14, then along the curved surface of shroud 14 to outdoor stream, or along venetian blind 13 to dirty, finally flow to the outdoor.
In addition because venetian blind 13 places in the shroud 14, so, by can rain cover to outdoor outstanding shroud 14, prevent rainwater directly piping and druming to venetian blind 13.
Please referring to Fig. 2 and Fig. 4, the outdoor end face of shroud 14 is provided with bulge loop 15 again, and this bulge loop 15 is integrally formed for the internal face and the shroud 14 that protrude from shroud 14; Described louver board 20 is provided with the flange 16 that is sealed and matched mutually with above-mentioned bulge loop 15, described flange 16 is formed as one with louver board 20, be the part that is connected with described bulge loop 15 that flange 16 is formed at louver board 20, overlapping with bulge loop 15, namely flange 16 hides bulge loop 15.
There is the situation of high wind rain to descend when outdoor, under the fan motor of ventilation fan main body 11 is in not operating condition, when rainwater is patted on the venetian blind 13, for known ventilation fan, rainwater can be invaded by the gap between venetian blind 13 and the shroud 14, but because the bulge loop 15 that the outdoor end face of the flange 16 that louver board 20 of the present invention is provided with and shroud 14 is provided with is sealed and matched mutually, and it is overlapping with bulge loop 15, so, even rainwater is arranged to be patted on the venetian blind 13, rainwater is 11 interior streams along flange 16 toward the ventilation fan main body, but the bulge loop 15 that the outdoor end face by above-mentioned shroud 14 is provided with can stop further stream in the ventilation fan main body 11 of rainwater, that is to say, by said structure, can prevent that rainwater is in the intrusion of the gap between the outdoor end face joint of venetian blind 13 and shroud 14 ventilation fan main body 11.
Again please referring to Fig. 4, be provided with waterproof rib 17 in the lower end, the outside of the outdoor of the cylinder 12 of ventilation fan main body 11, and described cylinder 12 is to the downward-sloping setting in above-mentioned outdoor.By said structure, owing to be provided with waterproof rib 17, even in the shroud of rainy water intrusion ventilation fan main body 11 14 and cross bulge loop 15, by above-mentioned waterproof rib 17, can prevent that rainwater from continuing to invade toward the indoor side, because the gravity effect of rainwater, rainwater can finally flow to the outdoor to dirty.
The present invention also is provided with weep hole 18 in the lower end of the cylinder 12 of the outdoor of waterproof rib, namely between waterproof rib 17 and bulge loop 15 weep hole 18 is set.Therefore even in the cylinder 12 of rainy water intrusion ventilation fan main body 11, because the gravity effect of rainwater, rainwater can be to dirty, thereby the weep hole 18 that is provided with from the lower end of the cylinder 12 of ventilation fan main body 11 flows out, and finally flows to the outdoor.Weep hole 18 is arranged on bottom for the most desirable.
Turnover structure of the present invention can also be other forms beyond the prominent muscle 21, stops rainwater to the effect that indoor direction flows as long as can form, and also is not limited on louver board 20 integrally formedly, and Fig. 7 has illustrated another mode.Fig. 7 is in the sectional drawing of open mode for the venetian blind of second embodiment of the invention.As shown in the figure, described turnover structure 30 is for being arranged at the groove 40 of louver board 20 upper ends, and this groove 40 is given prominence to the outdoor to form to stretch between wall 25 and the louver board 20 by the upper end of described louver board 20 and formed.This groove 40 also can be that outstanding formation between stretching, extension wall 25 and the louver board 20 forms to the outdoor by being fixed on attached upper end on the louver board 20.That is to say that stretching wall 25 can be not integrally formed with louver board 20.Under the outdoor situation that high wind arranged, during the running of the fan motor of ventilation fan main body 11, venetian blind 13 to outdoor and upward rotary moveable open, because of outdoor high wind effect, high wind can be invaded along venetian blind 13, form opposing with the running of the fan motor of ventilation fan main body 11, when wind during to this groove 40, form turbulent flow, along together flowing to outdoor with the indoor wind that blows out, can prevent the intrusion of exogenous wind so that wind forms backflow, make the ventilation of ventilation fan main body 11 become more smooth and easy.Simultaneously, the stretching, extension wall 25 of groove 40 has stopped that also rainwater flows to indoor direction.
Claims (10)
1. ventilation fan, comprise: ventilation fan main body and the face shield that is installed on the above-mentioned ventilation fan main body, the cylinder as wind path inside and outside the integrally formed and communication chamber is constituted described ventilation fan main body by ventilation fan framework, fan motor and with the ventilation fan framework, also be provided with the venetian blind that opens or closes above-mentioned wind path, the venetian blind of described ventilation fan is made up of the plural pieces louver board, it is characterized in that: described louver board upper end is provided with the turnover structure that stops that rainwater flows to indoor direction.
2. ventilation fan according to claim 1 is characterized in that: described turnover structure is the prominent muscle that is arranged at the louver board upper end, described prominent muscle by louvered upper end to the outdoor outstanding formation; The top of described prominent muscle forms the plane of inclination, and the below of described prominent muscle forms the upright sheet that protrudes from louvered plane
3. ventilation fan according to claim 2 is characterized in that: described plane of inclination still is in to the outdoor and downward-sloping state under louver board overturns the state of opening fully.
4. ventilation fan according to claim 1, it is characterized in that: described turnover structure is the groove that is arranged at the louver board upper end, this groove by described louvered upper end to the outdoor outstanding forms to stretch between wall and the louver board form, perhaps outstanding formation between stretching, extension wall and the louver board forms this groove to the outdoor by being fixed on attached upper end on the louver board.
5. ventilation fan according to claim 4 is characterized in that: described stretching, extension wall still is in to the outdoor and downward-sloping state under louver board overturns the state of opening fully.
6. ventilation fan according to claim 2, it is characterized in that: described prominent muscle and above-mentioned louver board are integrally formed, and described prominent muscle is positioned at the position of equal height of the rotating shaft that is connected with cylinder with louver board or higher position.
7. ventilation fan according to claim 1, it is characterized in that: the outdoor end of described cylinder is provided with to outdoor shroud outstanding and the downward-sloping curvecd surface type to the outdoor, described louver board axle respectively is fixed on the inwall of outdoor of above-mentioned shroud, and venetian blind places in the above-mentioned shroud in off position the time.
8. ventilation fan according to claim 7, it is characterized in that: the outdoor end face of described shroud is provided with bulge loop, and described bulge loop is that to protrude from internal face and the shroud of shroud integrally formed; Described louver board is provided with the flange that is sealed and matched mutually with above-mentioned bulge loop, and described flange is formed as one in the louver board part that is connected with described bulge loop, and is overlapping with bulge loop.
9. ventilation fan according to claim 1, it is characterized in that: the lower end of the outdoor of described cylinder is provided with waterproof rib, and described cylinder is to the downward-sloping setting in above-mentioned outdoor.
10. ventilation fan according to claim 9 is characterized in that: the lower end at the cylinder of the outdoor of described waterproof rib is provided with weep hole.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210030436.6A CN103244449B (en) | 2012-02-10 | 2012-02-10 | Ventilator |
| PCT/CN2012/085268 WO2013117095A1 (en) | 2012-02-10 | 2012-11-26 | Ventilating fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210030436.6A CN103244449B (en) | 2012-02-10 | 2012-02-10 | Ventilator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103244449A true CN103244449A (en) | 2013-08-14 |
| CN103244449B CN103244449B (en) | 2017-05-03 |
Family
ID=48924215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210030436.6A Active CN103244449B (en) | 2012-02-10 | 2012-02-10 | Ventilator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103244449B (en) |
| WO (1) | WO2013117095A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107250677A (en) * | 2015-03-27 | 2017-10-13 | 三菱电机株式会社 | Pressure fan |
| CN108166907A (en) * | 2017-12-22 | 2018-06-15 | 四川国鼎建筑设计有限公司 | A kind of natural wind microcirculation window |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2088135U (en) * | 1990-10-05 | 1991-11-06 | 方嘉彬 | Movable outdoor sunshading and wind-rain-preventing apparatus |
| US5929544A (en) * | 1995-06-14 | 1999-07-27 | Mitsuba Corporation | Drainage structure of fan motor |
| CN2489126Y (en) * | 2001-05-16 | 2002-05-01 | 沈达伟 | Air non-return scavenger fan |
| CN1721702A (en) * | 2004-07-13 | 2006-01-18 | 广东松下环境系统有限公司 | Ventilation fan |
| CN2869396Y (en) * | 2005-10-28 | 2007-02-14 | 广东松下环境系统有限公司 | Air-changing fan waterproofing structure |
| JP2007053844A (en) * | 2005-08-17 | 2007-03-01 | Asmo Co Ltd | Fan motor |
| CN201225333Y (en) * | 2008-07-03 | 2009-04-22 | 广东松下环境系统有限公司 | Pipeline for ventilation fan |
| CN201763700U (en) * | 2010-09-21 | 2011-03-16 | 浙江亿利达风机股份有限公司 | Fan of structure with shutter blade and rainproof elbow |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09112960A (en) * | 1995-10-20 | 1997-05-02 | Fujitsu General Ltd | Air conditioner |
-
2012
- 2012-02-10 CN CN201210030436.6A patent/CN103244449B/en active Active
- 2012-11-26 WO PCT/CN2012/085268 patent/WO2013117095A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2088135U (en) * | 1990-10-05 | 1991-11-06 | 方嘉彬 | Movable outdoor sunshading and wind-rain-preventing apparatus |
| US5929544A (en) * | 1995-06-14 | 1999-07-27 | Mitsuba Corporation | Drainage structure of fan motor |
| CN2489126Y (en) * | 2001-05-16 | 2002-05-01 | 沈达伟 | Air non-return scavenger fan |
| CN1721702A (en) * | 2004-07-13 | 2006-01-18 | 广东松下环境系统有限公司 | Ventilation fan |
| JP2007053844A (en) * | 2005-08-17 | 2007-03-01 | Asmo Co Ltd | Fan motor |
| CN2869396Y (en) * | 2005-10-28 | 2007-02-14 | 广东松下环境系统有限公司 | Air-changing fan waterproofing structure |
| CN201225333Y (en) * | 2008-07-03 | 2009-04-22 | 广东松下环境系统有限公司 | Pipeline for ventilation fan |
| CN201763700U (en) * | 2010-09-21 | 2011-03-16 | 浙江亿利达风机股份有限公司 | Fan of structure with shutter blade and rainproof elbow |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107250677A (en) * | 2015-03-27 | 2017-10-13 | 三菱电机株式会社 | Pressure fan |
| CN107250677B (en) * | 2015-03-27 | 2019-09-17 | 三菱电机株式会社 | Pressure fan |
| CN108166907A (en) * | 2017-12-22 | 2018-06-15 | 四川国鼎建筑设计有限公司 | A kind of natural wind microcirculation window |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103244449B (en) | 2017-05-03 |
| WO2013117095A1 (en) | 2013-08-15 |
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