CN204140495U - A kind of centrifugal blower volute, centrifugal blower and air conditioner - Google Patents
A kind of centrifugal blower volute, centrifugal blower and air conditioner Download PDFInfo
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- CN204140495U CN204140495U CN201420585340.0U CN201420585340U CN204140495U CN 204140495 U CN204140495 U CN 204140495U CN 201420585340 U CN201420585340 U CN 201420585340U CN 204140495 U CN204140495 U CN 204140495U
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- centrifugal blower
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Abstract
The utility model discloses a kind of centrifugal blower volute, its base plate, the first side plate and the second side plate surround spiral case exhaust outlet diffuser, also comprise the guide plate being arranged at spiral case exhaust outlet diffuser place; Guide plate is arranged on base plate, and is extended to exhaust outlet direction by the intake grill of spiral case exhaust outlet diffuser; Guide plate, is increased on the direction of first end highly gradually by the second end, and the first end of guide plate is one end of the exhaust outlet near spiral case exhaust outlet diffuser.The utility model can reach the outlet section air-flow vortex reducing spiral case exhaust outlet diffuser, makes air-flow more stable, improves drafting efficiency.Exporting owing to reducing existing centrifugal blower volute the eddy current problem affecting generation by base plate simultaneously, because this reducing air-out turbulence noise, the tonequality of air-conditioning being experienced better, and make air-out more even, improve the heat exchange efficiency of air-conditioning.The invention also discloses a kind of centrifugal blower and the air conditioner with above-mentioned centrifugal blower volute.
Description
Technical field
The utility model relates to air-conditioning technical field, more particularly, relates to a kind of centrifugal blower volute, centrifugal blower and air conditioner.
Background technique
Air-conditioning forms primarily of two large divisions: outdoor unit and indoor set.Outdoor unit is responsible for refrigeration or is heated, and indoor set is responsible for cold air or hot gas to be transported to indoor by centrifugal blower, and by pipeline, the hot air of indoor or cool air is transported to outdoor, with the effect reaching cooling or heat up.
Centrifugal blower volute comprises the side plate of base plate and base plate both sides, and base plate and biside plate surround spiral case exhaust outlet, and snail tongue is positioned on one of them side plate.The impeller outlet of centrifugal blower is called diffuser to volute outlet, this regional gas stream VELOCITY DIFFUSION angle is large, static pressure increases fast, fraction speed is unbalance, air-flow has some setbacks and form eddy current, airflow kinetic energy is caused to dissipate, particularly at spiral case hub disk position, owing to being subject to the impact of wall and further obvious, and more unstable along the flowing of diffusion direction, drafting efficiency reduces.
In addition, noise is one of key factor evaluating air-conditioning, and centrifugal blower aerodynamic noise is the Main Noise Sources of air-conditioning, due to the existence of stream swirl, can increase air-out turbulence noise, and then the tonequality affecting air-conditioning is experienced.
In addition, centrifugal blower air-out and heat exchanger forced-convection heat transfer absorption or release heat, then go out stream through exhaust outlet, uneven air-out makes heat exchange efficiency low.
Therefore, how to reduce stream swirl, improve drafting efficiency, reduce aerodynamic noise, the tonequality improving blower fan is experienced, and makes air-out more even, improves heat exchange efficiency, become the technical problem that those skilled in the art are urgently to be resolved hurrily.
Model utility content
In view of this, the purpose of this utility model is to provide a kind of centrifugal blower volute, to reduce stream swirl, improves drafting efficiency, reduces aerodynamic noise, and the tonequality improving blower fan is experienced, and makes air-out more even, improves heat exchange efficiency;
Another object of the present utility model is to provide a kind of centrifugal blower and the air conditioner with above-mentioned centrifugal blower volute.
For achieving the above object, the utility model provides following technological scheme:
A kind of centrifugal blower volute, comprise base plate and be arranged at the first side plate and second side plate of described base plate both sides, described base plate, the first side plate and the second side plate surround spiral case exhaust outlet diffuser, also comprise the guide plate being arranged at described spiral case exhaust outlet diffuser place;
Described guide plate is arranged on described base plate, and is extended to exhaust outlet direction by the intake grill of described spiral case exhaust outlet diffuser;
Described guide plate, is increased on the direction of first end highly gradually by the second end, and the first end of described guide plate is one end of the exhaust outlet near described spiral case exhaust outlet diffuser.
Preferably, in above-mentioned centrifugal blower volute, the height of the first end of described guide plate is identical with the height of the second side plate with described first side plate.
Preferably, in above-mentioned centrifugal blower volute, described guide plate is plane away from a side surface of described base plate.
Preferably, in above-mentioned centrifugal blower volute, described guide plate is curved surface away from a side surface of described base plate.
Preferably, in above-mentioned centrifugal blower volute, described guide plate is welded on described base plate, or one-body molded with described base plate.
Preferably, in above-mentioned centrifugal blower volute, described guide plate extends along gas flow direction.
Preferably, in above-mentioned centrifugal blower volute, the exhaust outlet place plane orthogonal of described guide plate and described spiral case exhaust outlet diffuser.
Preferably, in above-mentioned centrifugal blower volute, described guide plate is multiple, and distance between the first end of arbitrary neighborhood two described guide plates is equal.
Preferably, in above-mentioned centrifugal blower volute, described first side plate is the first distance with the distance of the first end of the guide plate near described first side plate;
Described second side plate is second distance with the distance of the first end of the guide plate near described second side plate;
Distance between described first Distance geometry second distance and the first end of adjacent two described guide plates is equal.
Preferably, in above-mentioned centrifugal blower volute, the air-flow angle of attack of the second end of described guide plate is 0 degree.
A kind of centrifugal blower, comprise centrifugal blower volute, described centrifugal blower volute is the centrifugal blower volute as above described in any one.
A kind of air conditioner, comprise centrifugal blower, described centrifugal blower is centrifugal blower as above.
As can be seen from above-mentioned technological scheme, the centrifugal blower volute that the utility model provides, the basis of existing centrifugal blower volute adds guide plate, and make guide plate by the second end on the direction of first end, increase highly gradually, due to guide plate height by near the inlet side of spiral case exhaust outlet diffuser to increasing height on the direction of air side, meet gas flow characteristic, the disorderly degree of exit flow can be reduced, thus reach the outlet section air-flow vortex reducing spiral case exhaust outlet diffuser, make air-flow more stable, improve drafting efficiency.Exporting owing to reducing existing centrifugal blower volute the eddy current problem affecting generation by base plate simultaneously, because this reducing air-out turbulence noise, the tonequality of air-conditioning being experienced better, and make air-out more even, improve the heat exchange efficiency of air-conditioning.
The centrifugal blower that the utility model provides and air conditioner, owing to adopting above-mentioned centrifugal blower volute, therefore have all technique effects of above-mentioned centrifugal blower volute concurrently, repeat no more herein.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the centrifugal blower volute that Fig. 1 provides for the utility model embodiment;
The plan view of the centrifugal blower volute that Fig. 2 provides for the utility model embodiment;
The plan view of the centrifugal blower volute that Fig. 3 provides for the utility model embodiment;
The structural representation of the guide plate that Fig. 4 provides for the utility model embodiment;
The structural representation of the guide plate that Fig. 5 provides for another embodiment of the utility model.
Wherein, 1 is base plate, and 2 is spiral case exhaust outlet diffuser, and 3 is the first side plate, and 4 is the second side plate, and 5 are, 6 is impeller placement section, and 7 is guide plate, and 8 is guide plate starting point, and 9 is guide plate end.
Embodiment
Core of the present utility model is to provide a kind of centrifugal blower volute, to reduce stream swirl, improves drafting efficiency, reduces aerodynamic noise, and the tonequality improving blower fan is experienced, and makes air-out more even, improves heat exchange efficiency;
Another core of the present utility model is to provide a kind of centrifugal blower and the air conditioner with above-mentioned centrifugal blower volute.
Below, with reference to accompanying drawing, embodiment is described.In addition, the embodiment shown in below does not play any restriction effect to the model utility content described in claim.In addition, the solution that the full content of the formation below represented by embodiment is not limited to as the model utility described in claim is necessary.
Refer to Fig. 1-Fig. 3, the structural representation of the centrifugal blower volute that Fig. 1 provides for the utility model embodiment; The plan view of the centrifugal blower volute that Fig. 2 provides for the utility model embodiment; The plan view of the centrifugal blower volute that Fig. 3 provides for the utility model embodiment.
The centrifugal blower volute that the utility model embodiment provides, comprise base plate 1 and be arranged at the first side plate 3 and the second side plate 4 of base plate 1 both sides, base plate 1, first side plate 3 and the second side plate 4 surround spiral case exhaust outlet diffuser 2, and snail tongue is positioned on the second side plate 4.
Of the present utility modelly focus on also comprising the guide plate 7 being arranged at spiral case exhaust outlet diffuser 2 place, guide plate 7 can play the effect of dredging flow.Guide plate 7 is arranged on base plate 1, and is extended to exhaust outlet direction by the intake grill of spiral case exhaust outlet diffuser 2.The intake grill of spiral case exhaust outlet diffuser 2 is the one end near impeller placement section 6 place, and the one end away from impeller placement section 6 place is exhaust outlet.
The first end (i.e. guide plate end 9) of guide plate 7 is one end of the exhaust outlet near spiral case exhaust outlet diffuser 2, and the one end away from the exhaust outlet of spiral case exhaust outlet diffuser 2 is the second end (i.e. guide plate starting point 8).
Guide plate 7, is increased on the direction of first end highly gradually by the second end.As shown in Figure 4, guide plate 7 is plane away from a side surface of base plate 1, and namely guide plate 7 upper surface is plane, makes guide plate 7 by the second end on the direction of first end, highly linearly increases gradually.As shown in Figure 5, guide plate 7 is curved surface away from a side surface of base plate 1, and namely guide plate 7 upper surface is curved surface, can make guide plate 7 equally by the second end on the direction of first end, increase highly gradually.
The centrifugal blower volute that the utility model provides, the basis of existing centrifugal blower volute adds guide plate 7, and make guide plate 7 by the second end on the direction of first end, increase highly gradually, due to guide plate 7 height by near the inlet side of spiral case exhaust outlet diffuser 2 to increasing height on the direction of air side, meet gaseous fluid characteristic, the disorderly degree of exit flow can be reduced, thus reach the outlet section air-flow vortex reducing spiral case exhaust outlet diffuser, make air-flow more stable, improve drafting efficiency.Being subject to base plate 1 to affect the eddy current problem of generation owing to reducing the outlet of existing centrifugal blower volute simultaneously, because this reducing air-out turbulence noise, the tonequality of air-conditioning being experienced better, and make air-out more even, improve the heat exchange efficiency of air-conditioning.
In the utility model one specific embodiment, the height of the first end of guide plate 7 is identical with the height of the second side plate 4 with the first side plate 3, namely in installation spiral case panel situation, the upper end of the first end of guide plate 7 is connected with spiral case panel, thus the exhaust outlet of spiral case exhaust outlet diffuser 2 is divided into multiple air channel.The height of the second end of guide plate 7 is less than the height of first end, and the second highly lower end transits to highly higher first end.
In the utility model one specific embodiment, guide plate 7 is welded on base plate 1, or one-body molded with base plate 1.Guide plate 7 also can adopt alternate manner to realize and being fixedly connected with of base plate 1, and the utility model is not limited to above-mentioned two kinds of modes.
In the utility model one specific embodiment, guide plate 7 extends along gas flow direction, makes the bearing of trend of guide plate 7 meet gas flow characteristic, the linearly extension of guide plate 7 in this example, it should be noted that, other line styles can also be adopted as the case may be.
In the utility model one specific embodiment, the exhaust outlet place plane orthogonal of guide plate 7 and spiral case exhaust outlet diffuser 2, namely the exit angle of guide plate 7 is 90 degree.It should be noted that, the outlet port of spiral case exhaust outlet diffuser 2 can need the exit angle of adjustment guide plate 7 according to different thus realize directed air-out.
In the utility model one specific embodiment, guide plate 7 is multiple (shown in figure is 4 guide plates 7), and distance between the first end of arbitrary neighborhood two guide plates 7 is equal, make the exhaust outlet area equation in the multiple air channels be separated into by guide plate 7.Guide plate 7 is arranged according to fan characteristic, the air quantity entering each air channel (spiral case exhaust outlet diffuser 2 is divided into multiple air channel by guide plate 7) under declared working condition becomes special ratios relation with the exhaust outlet area of spiral case exhaust outlet diffuser 2, namely for single air channel (owing to there is no guide plate 7 in prior art, therefore be single air channel), the ratio of air output and total blast volume is close with the ratio of total exhaust outlet (exhaust outlet of spiral case exhaust outlet diffuser 2) with this exhaust outlet (exhaust outlet in certain air channel), intake volume is close in this example, single exhaust outlet area equation.
In the utility model one specific embodiment, first side plate 3 is the first distance with the distance of the first end of the guide plate 7 near the first side plate 3, second side plate 4 is second distance with the distance of the first end of the guide plate 7 near the second side plate 4, and the distance between the first Distance geometry second distance and the first end of adjacent two guide plates 7 is equal.Compared with a upper embodiment, except the duct outlet area equation between adjacent two guide plates 7, duct outlet area between guide plate 7 and side plate (the first side plate 3, second side plate 4) is also equal, and namely the area of each duct outlet is all equal.
In the utility model one specific embodiment, the air-flow angle of attack of the second end of guide plate 7 is 0 degree, and namely the bearing of trend of guide plate 7 is parallel with air-flow air-out direction.
The invention also discloses a kind of centrifugal blower, comprise centrifugal blower volute, wherein, centrifugal blower volute is as above centrifugal blower volute disclosed in embodiment.Owing to adopting above-mentioned centrifugal blower volute, therefore have all technique effects of above-mentioned centrifugal blower volute concurrently, repeat no more herein.
The invention also discloses a kind of air conditioner, comprise centrifugal blower, wherein, centrifugal blower is as above centrifugal blower disclosed in embodiment.Owing to adopting above-mentioned centrifugal blower, therefore have all technique effects of above-mentioned centrifugal blower concurrently, repeat no more herein.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (12)
1. a centrifugal blower volute, comprise base plate (1) and be arranged at the first side plate (3) and second side plate (4) of described base plate (1) both sides, described base plate (1), the first side plate (3) and the second side plate (4) surround spiral case exhaust outlet diffuser (2), it is characterized in that, also comprise the guide plate (7) being arranged at described spiral case exhaust outlet diffuser (2) place;
Described guide plate (7) is arranged on described base plate (1), and is extended to exhaust outlet direction by the intake grill of described spiral case exhaust outlet diffuser (2);
Described guide plate (7), is increased on the direction of first end highly gradually by the second end, and the first end of described guide plate (7) is one end of the exhaust outlet near described spiral case exhaust outlet diffuser (2).
2. centrifugal blower volute as claimed in claim 1, it is characterized in that, the height of the first end of described guide plate (7) is identical with the height of the second side plate (4) with described first side plate (3).
3. centrifugal blower volute as claimed in claim 1, it is characterized in that, described guide plate (7) is plane away from a side surface of described base plate (1).
4. centrifugal blower volute as claimed in claim 1, it is characterized in that, described guide plate (7) is curved surface away from a side surface of described base plate (1).
5. centrifugal blower volute as claimed in claim 1, it is characterized in that, described guide plate (7) is welded on described base plate (1), or one-body molded with described base plate (1).
6. centrifugal blower volute as claimed in claim 1, it is characterized in that, described guide plate (7) extends along gas flow direction.
7. centrifugal blower volute as claimed in claim 1, is characterized in that, the exhaust outlet place plane orthogonal of described guide plate (7) and described spiral case exhaust outlet diffuser (2).
8. the centrifugal blower volute as described in any one of claim 1-7, is characterized in that, described guide plate (7) is for multiple, and distance between the first end of arbitrary neighborhood two described guide plates (7) is equal.
9. centrifugal blower volute as claimed in claim 8, is characterized in that, described first side plate (3) is the first distance with the distance of the first end of the guide plate (7) near described first side plate (3);
Described second side plate (4) is second distance with the distance of the first end of the guide plate (7) near described second side plate (4);
Distance between described first Distance geometry second distance and the first end of adjacent two described guide plates (7) is equal.
10. the centrifugal blower volute as described in any one of claim 1-7, is characterized in that, the air-flow angle of attack of the second end of described guide plate (7) is 0 degree.
11. 1 kinds of centrifugal blowers, comprise centrifugal blower volute, it is characterized in that, described centrifugal blower volute is the centrifugal blower volute as described in any one of claim 1-10.
12. 1 kinds of air conditioners, comprise centrifugal blower, it is characterized in that, described centrifugal blower is centrifugal blower as claimed in claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420585340.0U CN204140495U (en) | 2014-10-10 | 2014-10-10 | A kind of centrifugal blower volute, centrifugal blower and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420585340.0U CN204140495U (en) | 2014-10-10 | 2014-10-10 | A kind of centrifugal blower volute, centrifugal blower and air conditioner |
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| CN204140495U true CN204140495U (en) | 2015-02-04 |
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| CN201420585340.0U Active CN204140495U (en) | 2014-10-10 | 2014-10-10 | A kind of centrifugal blower volute, centrifugal blower and air conditioner |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105298880A (en) * | 2015-11-27 | 2016-02-03 | 吉林省沃鸿医疗器械制造有限公司 | Fan |
| CN105298872A (en) * | 2015-11-27 | 2016-02-03 | 吉林省沃鸿医疗器械制造有限公司 | Fan |
| CN108444028A (en) * | 2018-04-03 | 2018-08-24 | 同济大学 | A kind of two-way anti-radian exempts from the fan outlet guiding device of boundary layer disengaging |
| CN109595646A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | Blower fan system and application have the range hood of the blower fan system |
| CN109708377A (en) * | 2017-10-26 | 2019-05-03 | 日立空调·家用电器株式会社 | Refrigerator |
| CN110715519A (en) * | 2019-12-07 | 2020-01-21 | 江西省子轩科技有限公司 | Drying device for ceramic product manufacturing process |
| CN111197597A (en) * | 2018-11-20 | 2020-05-26 | 珠海格力电器股份有限公司 | Centrifugal fan, centrifugal fan assembly and air conditioner with centrifugal fan assembly |
| CN112780608A (en) * | 2021-01-05 | 2021-05-11 | 浙江友邦集成吊顶股份有限公司 | Fan with good airflow diffusion effect |
| WO2021093069A1 (en) * | 2019-11-11 | 2021-05-20 | 佛山市顺德区美的洗涤电器制造有限公司 | Fan and range hood |
| DE102022208980A1 (en) | 2022-08-30 | 2024-02-29 | BSH Hausgeräte GmbH | Process air duct and laundry treatment device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298872A (en) * | 2015-11-27 | 2016-02-03 | 吉林省沃鸿医疗器械制造有限公司 | Fan |
| CN105298872B (en) * | 2015-11-27 | 2017-12-22 | 吉林省沃鸿医疗器械制造有限公司 | Blower fan |
| CN105298880B (en) * | 2015-11-27 | 2017-12-22 | 吉林省沃鸿医疗器械制造有限公司 | Blower fan |
| CN105298880A (en) * | 2015-11-27 | 2016-02-03 | 吉林省沃鸿医疗器械制造有限公司 | Fan |
| CN109595646A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | Blower fan system and application have the range hood of the blower fan system |
| CN109595646B (en) * | 2017-09-30 | 2023-11-17 | 宁波方太厨具有限公司 | Fan system and range hood with same |
| CN109708377A (en) * | 2017-10-26 | 2019-05-03 | 日立空调·家用电器株式会社 | Refrigerator |
| CN108444028B (en) * | 2018-04-03 | 2023-09-08 | 同济大学 | Two-way reverse radian boundary layer separation-free fan outlet flow guiding device |
| CN108444028A (en) * | 2018-04-03 | 2018-08-24 | 同济大学 | A kind of two-way anti-radian exempts from the fan outlet guiding device of boundary layer disengaging |
| CN111197597A (en) * | 2018-11-20 | 2020-05-26 | 珠海格力电器股份有限公司 | Centrifugal fan, centrifugal fan assembly and air conditioner with centrifugal fan assembly |
| WO2021093069A1 (en) * | 2019-11-11 | 2021-05-20 | 佛山市顺德区美的洗涤电器制造有限公司 | Fan and range hood |
| CN110715519B (en) * | 2019-12-07 | 2021-01-29 | 江西赣科企服科技有限公司 | Drying device for ceramic product manufacturing process |
| CN110715519A (en) * | 2019-12-07 | 2020-01-21 | 江西省子轩科技有限公司 | Drying device for ceramic product manufacturing process |
| CN112780608A (en) * | 2021-01-05 | 2021-05-11 | 浙江友邦集成吊顶股份有限公司 | Fan with good airflow diffusion effect |
| CN112780608B (en) * | 2021-01-05 | 2022-05-24 | 浙江友邦集成吊顶股份有限公司 | Effectual fan of air current diffusion |
| DE102022208980A1 (en) | 2022-08-30 | 2024-02-29 | BSH Hausgeräte GmbH | Process air duct and laundry treatment device |
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