CN104454633A - Range hood and fan system thereof - Google Patents
Range hood and fan system thereof Download PDFInfo
- Publication number
- CN104454633A CN104454633A CN201310417979.8A CN201310417979A CN104454633A CN 104454633 A CN104454633 A CN 104454633A CN 201310417979 A CN201310417979 A CN 201310417979A CN 104454633 A CN104454633 A CN 104454633A
- Authority
- CN
- China
- Prior art keywords
- fan system
- blower fan
- flow impeller
- spiral case
- dimension flow
- 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.)
- Pending
Links
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
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a novel improvement for a range hood and a fan system thereof. The fan system for the range hood comprises a volute, wherein the volute comprises an air inlet and an air outlet; the fan system further comprises a ternary flowing impeller; and the ternary flowing impeller is used for sucking an air flow from the air inlet and exhausting the air flow from the air outlet. The novel fan system for the range hood can improve the air intake efficiency of the fan system under the condition of not increasing the volume of the fan system.
Description
[technical field]
The present invention relates to range hood field, particularly relate to the blower fan system for range hood.
[background technique]
Existing blower fan system many employings centrifugal fan for range hood, lacks new technological break-through.And centrifugal fan self also exists many defects, such as, if ensure higher air intake efficiency, blower fan system volume is larger, and this seriously restricts the development of range hood.
Unless there are the evidence support of abundance, otherwise prior art described here not meaning that admits that the those of ordinary skill of these prior aries for the field that the invention relates to before the applying date of the application is known.
[summary of the invention]
Main purpose of the present invention is, for range hood and blower fan system thereof, proposes new improvement.
The blower fan system for range hood that the present invention proposes, comprise spiral case, described spiral case comprises intake grill and exhaust outlet, and described blower fan system also comprises Three-dimension flow impeller; Described Three-dimension flow impeller, for sucking air-flow from described intake grill and discharging from described exhaust outlet.The present invention proposes a kind of novel blower fan system for range hood, can promote the air intake efficiency of blower fan system when not increasing blower fan system volume.
Optionally, also comprise motor, described motor comprises main part and rotating shaft; Described spiral case is provided with through-hole section; Described main part is arranged at described scroll outer, and described rotating shaft is through described through-hole section and then drive described Three-dimension flow impeller.Like this, it is inner that the main part of motor need not be inserted the more spiral case of greasy dirt by motor as existing blower fan system, can improve the working life of motor to a certain extent.
Optionally, the oil smoke passage of described main part and described blower fan system is isolated.So-called " the oil smoke passage of described blower fan system ", can be understood as: the part of the oil smoke flow warp in described blower fan system.Like this, can further improve the working life of motor.
Optionally, the air intake direction of described air inlet and the air-out direction at described exhaust outlet place perpendicular.
Optionally, described spiral case comprises diversion division, and described diversion division comprises diversion cavity; One end of described diversion cavity is connected to described exhaust outlet, and the other end of described diversion cavity is inlet end; Described diversion cavity increases gradually from described inlet end to its aperture of described exhaust outlet.Like this, can make described diversion cavity while realizing diversion function, diffusion smoothly can also be used for.
Optionally, described spiral case comprises diversion division, and described diversion division comprises diversion cavity; The outer wheels profile of the projection of described diversion cavity in the plane in the axle center perpendicular to described Three-dimension flow impeller adopts Archimedes spiral structure or logarithmic curve structure at least in part.So-called " axle center of Three-dimension flow impeller ", can be understood as: under blower fan system working state, Three-dimension flow vane rotary institute around that axle center, lower together.Like this, can make described diversion cavity while realizing diversion function, diffusion smoothly can also be used for.
Optionally, the interior line of the projection of described diversion cavity in the plane in the axle center perpendicular to described Three-dimension flow impeller adopts Archimedes spiral structure or logarithmic curve structure at least in part.Like this, can make described diversion cavity while realizing diversion function, diffusion smoothly can also be used for.
Optionally, described spiral case comprises diversion division, and it adopts the tubular structure circumnutated.
Optionally, described diversion division, also for diffusion.
Optionally, described Three-dimension flow impeller adopts air compressor Three-dimension flow blade wheel structure or astrovehicle Three-dimension flow blade wheel structure.Here, be interpreted as: described Three-dimension flow impeller is only adopt the structure identical or similar with air compressor Three-dimension flow impeller or astrovehicle Three-dimension flow impeller, but might not adopt same or similar size.Application number is the Chinese invention patent application of 201010232655.3, just discloses a kind of typical air compressor Three-dimension flow blade wheel structure, for reference.
The present invention proposes a kind of range hood, and it is provided with the blower fan system as described in above any one.Adopting technological scheme of the present invention, the air intake efficiency of range hood can be promoted when not increasing blower fan system volume.
Foregoing invention content of the present invention is not for describing all possible mode of executions of the present invention.In whole application, many places provide guidance by enumerating example, and these examples may be used for various feasible combination.
[accompanying drawing explanation]
The following drawings only schematically illustrates the present invention and explains, not delimit the scope of the invention, wherein:
Fig. 1 is the structural representation of a kind of blower fan system embodiment for range hood of the present invention;
Fig. 2 is another structural representation of a kind of blower fan system embodiment for range hood of the present invention;
Fig. 3 is the sectional view along A-A line in Fig. 2;
Fig. 4 is the structural representation of the spiral case of a kind of blower fan system embodiment for range hood of the present invention;
Fig. 5 is the structural representation of the spiral case of a kind of blower fan system embodiment for range hood of the present invention;
Fig. 6 is the another kind of structural representation for the spiral case of the blower fan system embodiment of range hood of the present invention;
Fig. 7 is the another kind of structural representation for the spiral case of the blower fan system embodiment of range hood of the present invention.
Reference character:
1-spiral case, 11-intake grill, 12-exhaust outlet, 13-through-hole section;
2-Three-dimension flow impeller;
3-diversion division, 31-diversion cavity, 311-inlet end.
[embodiment]
For making object of the present invention, scheme and beneficial effect clearly understand, below in conjunction with accompanying drawing and preferred embodiment, the invention will be further described.Individual drawing figure may be accurate not, in such cases, is please as the criterion with text description.
A kind of blower fan system embodiment for range hood that the present invention proposes, as shown in Figures 1 to 3, comprises motor (not shown), Three-dimension flow impeller 2 and spiral case 1.Spiral case 1 comprises through-hole section 13, diversion division 3, intake grill 11 and exhaust outlet 12, as shown in Figures 4 and 5.The air intake direction at intake grill 11 place (namely, under blower fan system working state, the approximate flow directions of the air-flow at intake grill 11 place) and the air-out direction (that is, under blower fan system working state, the approximate flow directions of the air-flow at exhaust outlet 12 place) at exhaust outlet 12 place perpendicular.Three-dimension flow impeller 2 is arranged at intake grill 11 place of spiral case 1, as shown in Figure 1.Three-dimension flow impeller 2, for being sucked from intake grill 11 by air-flow, after diversion division 3, discharges from exhaust outlet 12.
Motor comprises main part and rotating shaft.It is outside that main part is arranged at spiral case 1, and the oil smoke passage of main part and blower fan system is isolated.Rotating shaft is inner through entering spiral case 1 after through-hole section 13, and then drives Three-dimension flow impeller 2.
Diversion division 3 adopts the tubular structure circumnutated, as shown in the figure.Diversion division 3 comprises diversion cavity 31, and as shown in Figure 3, one end of diversion cavity 31 is connected to exhaust outlet 12, and the other end of diversion cavity 31 is inlet end 311; Diversion cavity 31 increases gradually from its aperture of inlet end 311 to exhaust outlet 12.Particularly, the outer wheels profile of the projection of diversion cavity 31 in the plane in the axle center perpendicular to Three-dimension flow impeller 2 partly adopts logarithmic curve structure.The interior line of the projection of diversion cavity 31 in the plane in the axle center perpendicular to Three-dimension flow impeller 2 partly adopts logarithmic curve structure.
The side of diversion division 3 is suitable for lying against on horizontal plane.
Below be only the preferred embodiments of the present invention, some technical characteristics modified or replaces the embodiment that can also obtain other.As, diversion division 3 entirety also can adopt in the face of old structure, as shown in Figures 6 and 7.For another example, also can be that the outer wheels profile of the projection of diversion cavity in the plane in the axle center perpendicular to Three-dimension flow impeller adopts other the linear being suitable for gas flow smooth runner such as Archimedes spiral structure at least in part.For another example, also can be that the interior line of the projection of diversion cavity in the plane in the axle center perpendicular to Three-dimension flow impeller adopts other the linear being suitable for gas flow smooth runner such as Archimedes spiral structure at least in part.
Need annotated, the present invention should not be understood to be only limitted to mode of execution described above, but should be understood to cover all possible performance that the claims in the present invention determine in conjunction with specification disclosure.Therefore, every content not departing from technical solution of the present invention, any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all belong to the protection domain of technical solution of the present invention.Special needs to be pointed out is, anyly change bad application based on of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (11)
1. for a blower fan system for range hood, comprise spiral case (1), described spiral case (1) comprises intake grill (11) and exhaust outlet (12), it is characterized in that:
Described blower fan system also comprises Three-dimension flow impeller (2);
Described Three-dimension flow impeller (2), for sucking air-flow from described intake grill (11) and discharging from described exhaust outlet (12).
2. blower fan system according to claim 1, is characterized in that:
Also comprise motor, described motor comprises main part and rotating shaft;
Described spiral case (1) is provided with through-hole section (13);
It is outside that described main part is arranged at described spiral case (1), and described rotating shaft is through described through-hole section (13) and then drive described Three-dimension flow impeller (2).
3. blower fan system according to claim 2, is characterized in that:
The oil smoke passage of described main part and described blower fan system is isolated.
4. blower fan system according to claim 1, is characterized in that:
The air intake direction at described intake grill (11) place and the air-out direction at described exhaust outlet (12) place perpendicular.
5. blower fan system according to claim 1, is characterized in that:
Described spiral case (1) comprises diversion division (3), and described diversion division (3) comprises diversion cavity (31);
One end of described diversion cavity (31) is connected to described exhaust outlet (12), and the other end of described diversion cavity (31) is inlet end (311); Described diversion cavity (31) increases gradually from described inlet end (311) to described exhaust outlet (12) its aperture.
6. blower fan system according to claim 1, is characterized in that:
Described spiral case (1) comprises diversion division (3), and described diversion division (3) comprises diversion cavity (31);
The outer wheels profile of the projection of described diversion cavity (31) in the plane in the axle center perpendicular to described Three-dimension flow impeller (2) adopts Archimedes spiral structure or logarithmic curve structure at least in part.
7. blower fan system according to claim 6, is characterized in that:
The interior line of the projection of described diversion cavity (31) in the plane in the axle center perpendicular to described Three-dimension flow impeller (2) adopts Archimedes spiral structure or logarithmic curve structure at least in part.
8. blower fan system according to claim 1, is characterized in that:
Described spiral case (1) comprises diversion division (3), and it adopts the tubular structure circumnutated.
9. blower fan system according to claim 8, is characterized in that:
Described diversion division (3), also for diffusion.
10., according to the blower fan system according to above any one claim, it is characterized in that:
Described Three-dimension flow impeller (2) adopts air compressor Three-dimension flow impeller (2) structure or astrovehicle Three-dimension flow impeller (2) structure.
11. 1 kinds of range hoods, it is provided with blower fan system as in any one of the preceding claims.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310417979.8A CN104454633A (en) | 2013-09-13 | 2013-09-13 | Range hood and fan system thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310417979.8A CN104454633A (en) | 2013-09-13 | 2013-09-13 | Range hood and fan system thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
CN104454633A true CN104454633A (en) | 2015-03-25 |
Family
ID=52901215
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310417979.8A Pending CN104454633A (en) | 2013-09-13 | 2013-09-13 | Range hood and fan system thereof |
Country Status (1)
Country | Link |
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CN (1) | CN104454633A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106368983A (en) * | 2016-09-23 | 2017-02-01 | 东华大学 | High-efficiency low-noise pearly nautilus bionic fan |
WO2017020727A1 (en) * | 2015-07-31 | 2017-02-09 | 广东松下环境***有限公司 | Pipe shield of ventilation apparatus |
EP3228875A1 (en) * | 2016-04-07 | 2017-10-11 | Faber S.p.A. | Imroved fan for smoke and vapour extraction system, in particular for kitchens and extraction system incorporating such a fan |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0846868A2 (en) * | 1996-12-05 | 1998-06-10 | General Motors Corporation | Centrifugal blower assembly |
CN2430635Y (en) * | 2000-05-10 | 2001-05-16 | 王立庆 | High efficiency energy saving fume exhaust fan |
CN101886827A (en) * | 2009-05-12 | 2010-11-17 | 强晓明 | Household oil fume extractor with minimum fume extraction resistance |
CN202628615U (en) * | 2012-05-16 | 2012-12-26 | 珠海格力电器股份有限公司 | Volute of centrifugal fan |
CN102878115A (en) * | 2011-07-14 | 2013-01-16 | 百得有限公司 | Debris blowing and/or vacuum appliance |
CN203114723U (en) * | 2012-10-23 | 2013-08-07 | 华年 | Novel centrifugal compressor of smoke exhaust |
-
2013
- 2013-09-13 CN CN201310417979.8A patent/CN104454633A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0846868A2 (en) * | 1996-12-05 | 1998-06-10 | General Motors Corporation | Centrifugal blower assembly |
CN2430635Y (en) * | 2000-05-10 | 2001-05-16 | 王立庆 | High efficiency energy saving fume exhaust fan |
CN101886827A (en) * | 2009-05-12 | 2010-11-17 | 强晓明 | Household oil fume extractor with minimum fume extraction resistance |
CN102878115A (en) * | 2011-07-14 | 2013-01-16 | 百得有限公司 | Debris blowing and/or vacuum appliance |
CN202628615U (en) * | 2012-05-16 | 2012-12-26 | 珠海格力电器股份有限公司 | Volute of centrifugal fan |
CN203114723U (en) * | 2012-10-23 | 2013-08-07 | 华年 | Novel centrifugal compressor of smoke exhaust |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017020727A1 (en) * | 2015-07-31 | 2017-02-09 | 广东松下环境***有限公司 | Pipe shield of ventilation apparatus |
US10684028B2 (en) | 2015-07-31 | 2020-06-16 | Panasonic Ecology Systems Guangdong Co., Ltd. | Pipe shield of ventilating apparatus |
EP3228875A1 (en) * | 2016-04-07 | 2017-10-11 | Faber S.p.A. | Imroved fan for smoke and vapour extraction system, in particular for kitchens and extraction system incorporating such a fan |
CN107269591A (en) * | 2016-04-07 | 2017-10-20 | 费博股份有限公司 | Particularly for the cigarette in kitchen and the improved fan of steam suction system and the suction system for being combined with the fan |
US10458661B2 (en) | 2016-04-07 | 2019-10-29 | Faber S.P.A. | Fan for smoke and vapor extraction system, in particular for kitchens and extraction system incorporating such a fan |
CN106368983A (en) * | 2016-09-23 | 2017-02-01 | 东华大学 | High-efficiency low-noise pearly nautilus bionic fan |
CN106368983B (en) * | 2016-09-23 | 2019-03-08 | 东华大学 | A kind of bionical blower of low-noise efficient nautilus |
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Application publication date: 20150325 |
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