CN101825306B - Bellows of range hood - Google Patents
Bellows of range hood Download PDFInfo
- Publication number
- CN101825306B CN101825306B CN200910213678A CN200910213678A CN101825306B CN 101825306 B CN101825306 B CN 101825306B CN 200910213678 A CN200910213678 A CN 200910213678A CN 200910213678 A CN200910213678 A CN 200910213678A CN 101825306 B CN101825306 B CN 101825306B
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- China
- Prior art keywords
- inlet plenum
- blower fan
- plate
- range hood
- inlet
- 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.)
- Expired - Fee Related
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- 239000000779 smoke Substances 0.000 claims abstract description 17
- 230000008676 import Effects 0.000 claims description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 9
- 238000010009 beating Methods 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000002991 molded plastic Substances 0.000 claims description 2
- 238000010137 moulding (plastic) Methods 0.000 claims description 2
- 239000000411 inducer Substances 0.000 description 4
- 238000009740 moulding (composite fabrication) Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000036651 mood Effects 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The invention relates to an air box of a range hood. The range hood comprises a box body cover plate, a box body flange, a box body surrounding plate and a box body top plate, wherein the four parts are connected to form a semi-closed box body inner cavity, a box body air inlet is formed in the lower portion of the box body flange, a box body air outlet is formed in the box body top plate, a fan outlet of a fan system of the range hood is arranged in a position right opposite to the box body air outlet and located inside a box body, a fan inlet is formed in the fan system, an air inlet chamber is formed in the position of the fan inlet and is fixed to the fan inlet, the air inlet chamber comprises an air inlet chamber surrounding plate and an air inlet chamber bottom plate, the air inlet chamber surrounding plate and the box body cover plate form an oil smoke channel from the box body air inlet to the fan inlet, and the distance between the air. The invention is the air box of the range hood with simple flow passage, low noise, large air quantity and small flow loss, and the air box has ingenious design, is convenient and practical.
Description
Technical field
The present invention is a kind of bellows of range hood, belongs to the renovation technique of the used bellows of range hood.
Background technology
European range hood and near-suction type oil smoke suction machine have occupied the most important part in present range hood market, and the quality of European range hood and near-suction type oil smoke suction machine performance directly has influence on consumer's use mood and desire to purchase.At present; The European range hood on the market and the bellows system form of near-suction type oil smoke suction machine are single; The bellows decorum of European cigarette machine of the overwhelming majority and part near-absorption type smoke machine all is in square casing, to lay blower fan system; The blower fan import has certain included angle (great majority become 90 degree) with the casing air inlet, and blower fan system shell and cabinets cavity have more space and gap (especially having bigger space in spiral case outlet section both sides), from the oil smoke passage winding complex of casing air inlet to blower fan inducer; Flue gas will certainly produce a large amount of streaming and vortex from the casing air inlet flows to the process of blower fan import; Flow losses are serious, thereby cause noise bigger, and smoke exhaust efficiency is lower.In order to improve the situation of streaming of casing air inlet to blower fan inducer oil smoke passage; Scholars both domestic and external have proposed some improved measures; Such as; Chinese invention patent ZL200620104394.6 " a kind of range hood with the air draught denoising structure " is provided with first deflector in casing inner spiral casing import department, between the lower end of the both sides, front and back of blower fan and oily screen component, second deflector and the 3rd deflector is set, and this patent of invention gets into blower fan through the air-flow that in casing, increases deflector and lead along the casing air inlet; Improve streaming and vortex in the casing to a certain extent, reached certain noise reduction purpose.But still very complicated from the oil smoke passage of casing air inlet to blower fan inducer, there is not thoroughly to solve the influence of space and the gap of blower fan system shell and cabinets cavity to air-flow, flow losses are still very serious.
Summary of the invention
The objective of the invention is to consider the problems referred to above and provide a kind of runner simple, noise is low, and air quantity is big, the bellows of the range hood that flow losses are little.The present invention designs ingenious, and is convenient and practical.
Technical scheme of the present invention is: the bellows of range hood of the present invention; Include box cover, box flange, casing coaming plate and roof box; Four link to each other constitutes semi-enclosed cabinets cavity, and wherein the bottom of box flange is provided with the casing air inlet, and roof box is provided with the casing air outlet; The blower fan outlet of the blower fan system of range hood is arranged on the position of this casing air outlet; And be positioned at box house, and blower fan system is provided with the blower fan import, and import department is provided with inlet plenum at blower fan; Inlet plenum is fixed in the blower fan import; Inlet plenum includes inlet plenum coaming plate, inlet plenum base plate, forms the oil smoke passage by the import of casing air inlet to blower fan between inlet plenum coaming plate, inlet plenum base plate and the box cover three, the distance between inlet plenum base plate and the box cover from the casing air inlet to the blower fan importer to reducing gradually.
Above-mentioned inlet plenum coaming plate comprises left plate, right plate and epipleural, the distance between left plate and the right plate from the casing air inlet to the blower fan importer to reducing gradually, epipleural is the arc plate concentric with the blower fan import.
Above-mentioned inlet plenum base is provided with row's water conservancy diversion gusset near casing air inlet place, and the water conservancy diversion gusset is fixed on the inlet plenum base plate.
The direction of the blower fan import of above-mentioned blower fan system and the direction of casing air inlet be not on same straight line.
Angle between above-mentioned inlet plenum base plate and the box cover is φ 1,5 degree≤φ 1≤30 degree.
The left plate of above-mentioned inlet plenum coaming plate and the angle between the right plate are φ 2,5 degree≤φ 2≤30 degree.。
The arc radius of the epipleural of above-mentioned inlet plenum coaming plate is R2, and the radius of blower fan import is R1,
Above-mentioned water conservancy diversion gusset is arranged along the direction of uprush.
Above-mentioned inlet plenum is fixed in the blower fan import through the inlet plenum mounting flange, also is provided with the air intake circle between the inlet plenum coaming plate of inlet plenum and the blower fan import.
The material of above-mentioned inlet plenum is plastics, inlet plenum coaming plate, inlet plenum mounting flange, air intake circle, inlet plenum base plate and the injection mo(u)lding of fuisw rib slab integral; Or the material of above-mentioned inlet plenum is panel beating, the whole punch forming of inlet plenum coaming plate, inlet plenum mounting flange, air intake circle and inlet plenum base plate, and the independent moulding of water conservancy diversion gusset is welded on the inlet plenum base plate then; Or the material of above-mentioned inlet plenum is a panel beating; The whole punch forming of inlet plenum coaming plate, inlet plenum mounting flange and inlet plenum base plate, the independent moulding of water conservancy diversion gusset is welded on the inlet plenum base plate then; The independent moulding of air intake circle, through screw or snap fit on the inlet plenum mounting flange.
The bellows of range hood of the present invention are owing to adopted the structure of inlet plenum efficiently, and compared with prior art, the present invention has the following advantages:
1) inlet plenum separates the cabinet space on blower fan import top; Both simplified greatly from the oil smoke passage of casing air inlet to blower fan inducer; Thoroughly avoided the influence of space and the gap of blower fan system shell and cabinets cavity again to air-flow, make air-flow more smooth and easy, get into the blower fan import from the casing import more equably, greatly reduce the generation probability that streams with vortex; Effectively reduce noise and flow losses, improve air quantity;
2) inlet plenum has completely cut off contacting of flue gas and spiral case outer surface, roof box, reduces the internal contamination of oil smoke to the cigarette machine to the full extent, and has thoroughly overcome the hidden danger of casing leakage of oil.
The present invention is that a kind of design is ingenious, function admirable, the bellows of convenient and practical range hood.
Description of drawings
Fig. 1 is the structural representation of inlet plenum of the present invention;
Fig. 2 is the stereogram of inlet plenum of the present invention;
Fig. 3 is the cutaway view of A-A direction among Fig. 1;
Fig. 4 is the cutaway view of B-B direction among Fig. 2;
The specific embodiment
Embodiment:
Structural representation of the present invention is like Fig. 1,2,3, shown in 4; Include box cover 1, box flange 2, casing coaming plate 3 and roof box 4; Wherein roof box 4, box flange 2 respectively with the both ends of the surface of casing coaming plate 3 through being weldingly connected; Box cover 1 is fixed on the casing coaming plate 3 through screw, and four constitute semi-enclosed cabinets cavity.The bottom of box flange 2 is provided with casing air inlet 7, and roof box 4 is provided with casing air outlet 9.The blower fan outlet 10 of blower fan system 6 is provided with over against this casing air outlet 9, and blower fan system 6 is fixed on the roof box 4 through screw, and is positioned at box house.Blower fan system 6 is provided with blower fan import 8; The direction of the direction of blower fan import 8 and casing air inlet 7 is not on same straight line; 8 places are provided with inlet plenum 5 in the blower fan import, and inlet plenum 5 includes inlet plenum coaming plate 51, inlet plenum mounting flange 52, air intake circle 53, inlet plenum base plate 54.Inlet plenum 5 adopts screw to be fixed in the blower fan import 8 through mounting flange 52.
In the present embodiment; Form oil smoke passage between above-mentioned inlet plenum coaming plate 51, inlet plenum base plate 54 and box cover 1 three by casing air inlet 7 to blower fan import 8; According to continuity equation in the aerodynamics theory and bernoulli principle; For the flow losses that reduce the oil smoke passage and make Velocity Profiles through blower fan import 8 more evenly so that improve the performance of blower fan, the distance between described inlet plenum base plate 54 of this oil smoke passage and the described box cover 1 is the gesture that reduces gradually from casing air inlet 7 to the direction of blower fan import 8; The described inlet plenum coaming plate 51 of this oil smoke passage comprises left plate 511, right plate 512 and epipleural 513; Distance between left plate 511 and the right plate 512 is the gesture that reduces gradually from casing air inlet 7 to the direction of blower fan import 8, and epipleural 513 is the arc plate concentric with blower fan import 8; Bottom at inlet plenum base plate 54 is provided with row's water conservancy diversion gusset 55 near air inlet 7 places, and water conservancy diversion gusset 55 is fixed on the inlet plenum base plate 54.Water conservancy diversion gusset 55 is arranged along the direction of uprush, is used to guide the smooth and easy rising of lower stream of airflow, prevents that the bottom is owing to irregular generation of shape streamed.
As preferably, the angle between said inlet plenum base plate 54 and the described box cover 1 is φ 1,5 degree≤φ 1≤30 degree.
As preferably, the left plate 511 of said inlet plenum coaming plate 51 and the angle between the right plate 512 are φ 2,5 degree≤φ 2≤30 degree.。
As preferably; The arc radius of the epipleural 513 of said inlet plenum coaming plate 51 is R2; The radius of blower fan import 8 is R1,
The material of above-mentioned inlet plenum 5 can be plastics, inlet plenum coaming plate 51, inlet plenum mounting flange 52, air intake circle 53, inlet plenum base plate 54 and the 55 integral molded plastic moulding of water conservancy diversion gusset.
The material of above-mentioned inlet plenum 5 also can adopt panel beating, inlet plenum coaming plate 51, inlet plenum mounting flange 52, air intake circle 53 and the 54 whole punch formings of inlet plenum base plate, and the 55 independent moulding of water conservancy diversion gusset are welded on the inlet plenum base plate 54 then.
Or the material of above-mentioned inlet plenum 5 is panel beatings; Inlet plenum coaming plate 51, inlet plenum mounting flange 52 and the 54 whole punch formings of inlet plenum base plate; The 55 independent moulding of water conservancy diversion gusset; Be welded on then on the inlet plenum base plate 54, the 53 independent moulding of air intake circle, through screw or snap fit on inlet plenum mounting flange 52.
Claims (10)
1. the bellows of a range hood; Include box cover (1), box flange (2), casing coaming plate (3) and roof box (4); Four link to each other constitutes semi-enclosed cabinets cavity, and wherein the bottom of box flange (2) is provided with casing air inlet (7), and roof box (4) is provided with casing air outlet (9); The blower fan outlet (10) of the blower fan system of range hood (6) is arranged on the position of this casing air outlet (9); And being positioned at box house, blower fan system (6) is provided with blower fan import (8), locates to be provided with inlet plenum (5) in blower fan import (8); Inlet plenum (5) is fixed in the blower fan import (8); It is characterized in that inlet plenum (5) includes inlet plenum coaming plate (51), inlet plenum base plate (54), form by the oil smoke passage of casing air inlet (7) between inlet plenum coaming plate (51), inlet plenum base plate (54) and box cover (1) three that the distance between inlet plenum base plate (54) and the box cover (1) reduces to blower fan import (8) direction from casing air inlet (7) gradually to blower fan import (8).
2. the bellows of range hood according to claim 1; It is characterized in that above-mentioned inlet plenum coaming plate (51) comprises left plate (511), right plate (512) and epipleural (513); Distance between left plate (511) and the right plate (512) reduces from the direction of casing air inlet (7) to blower fan import (8) gradually, and epipleural (513) is and the concentric arc plate of blower fan import (8).
3. the bellows of range hood according to claim 1 is characterized in that row's water conservancy diversion gusset (55) is located to be provided with near casing air inlet (7) in the bottom of above-mentioned inlet plenum base plate (54), and water conservancy diversion gusset (55) is fixed on the inlet plenum base plate (54).
4. the bellows of range hood according to claim 1, the direction of direction and casing air inlet (7) of blower fan import (8) that it is characterized in that above-mentioned blower fan system (6) is not on same straight line.
5. the bellows of range hood according to claim 1 is characterized in that the angle between above-mentioned inlet plenum base plate (54) and the box cover (1) is φ 1,5 degree≤φ 1≤30 degree.
6. the bellows of range hood according to claim 2 is characterized in that the left plate (511) of above-mentioned inlet plenum coaming plate (51) and the angle between the right plate (512) are φ 2,5 degree≤φ 2≤30 degree.
7. the bellows of range hood according to claim 6; The arc radius that it is characterized in that the epipleural (513) of above-mentioned inlet plenum coaming plate (51) is R2; The radius of blower fan import (8) is R1,
8. the bellows of range hood according to claim 3 is characterized in that above-mentioned water conservancy diversion gusset (55) arranges along the direction of uprush.
9. according to the bellows of each described range hood of claim 1 to 8; It is characterized in that above-mentioned inlet plenum (5) is fixed in the blower fan import (8) through inlet plenum mounting flange (52), also is provided with air intake circle (53) between the inlet plenum coaming plate (51) of inlet plenum (5) and the blower fan import (8).
10. the bellows of range hood according to claim 9; The material that it is characterized in that above-mentioned inlet plenum (5) is plastics, inlet plenum coaming plate (51), inlet plenum mounting flange (52), air intake circle (53), inlet plenum base plate (54) and water conservancy diversion gusset (55) integral molded plastic moulding; Or the material of above-mentioned inlet plenum (5) is panel beating, inlet plenum coaming plate (51), inlet plenum mounting flange (52), air intake circle (53) and the whole punch forming of inlet plenum base plate (54), and water conservancy diversion gusset (55) moulding separately is welded on the inlet plenum base plate (54) then; Or the material of above-mentioned inlet plenum (5) is a panel beating; Inlet plenum coaming plate (51), inlet plenum mounting flange (52) and the whole punch forming of inlet plenum base plate (54); Water conservancy diversion gusset (55) moulding separately; Be welded on then on the inlet plenum base plate (54), separately moulding of air intake circle (53), through screw or snap fit on inlet plenum mounting flange (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910213678A CN101825306B (en) | 2009-12-08 | 2009-12-08 | Bellows of range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910213678A CN101825306B (en) | 2009-12-08 | 2009-12-08 | Bellows of range hood |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101825306A CN101825306A (en) | 2010-09-08 |
| CN101825306B true CN101825306B (en) | 2012-08-29 |
Family
ID=42689374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910213678A Expired - Fee Related CN101825306B (en) | 2009-12-08 | 2009-12-08 | Bellows of range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101825306B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101984261B (en) * | 2010-11-19 | 2012-07-11 | 美的集团有限公司 | Centrifugal fan volute of oil fume purification device |
| CN109595644B (en) * | 2017-09-30 | 2024-01-16 | 宁波方太厨具有限公司 | Fume exhauster |
| CN109990340B (en) * | 2017-12-30 | 2023-11-17 | 宁波方太厨具有限公司 | High-performance range hood |
| CN108506983A (en) * | 2018-04-25 | 2018-09-07 | 中山市风田集成厨卫电器有限公司 | A kind of collection fume chamber and its manufacturing method |
| CN113446641B (en) * | 2021-06-18 | 2022-05-17 | 宁波方太厨具有限公司 | Range hood and working method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2270638A (en) * | 1992-09-18 | 1994-03-23 | Fuji Industries Co Ltd | Range hood |
| CA2408980A1 (en) * | 2002-10-21 | 2004-04-21 | Peter Yeung | Range hood having a back panel with air intake |
| CN2929533Y (en) * | 2006-06-05 | 2007-08-01 | 杭州老板实业集团有限公司 | Fume exhaust fan with air sucking and noise reducing structure |
| CN2929534Y (en) * | 2006-06-06 | 2007-08-01 | 杭州老板实业集团有限公司 | Fume exhaust fan with air sucking and noise reducing structure |
| CN201589323U (en) * | 2009-12-08 | 2010-09-22 | 美的集团有限公司 | Bellows of range hood |
-
2009
- 2009-12-08 CN CN200910213678A patent/CN101825306B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2270638A (en) * | 1992-09-18 | 1994-03-23 | Fuji Industries Co Ltd | Range hood |
| CA2408980A1 (en) * | 2002-10-21 | 2004-04-21 | Peter Yeung | Range hood having a back panel with air intake |
| CN2929533Y (en) * | 2006-06-05 | 2007-08-01 | 杭州老板实业集团有限公司 | Fume exhaust fan with air sucking and noise reducing structure |
| CN2929534Y (en) * | 2006-06-06 | 2007-08-01 | 杭州老板实业集团有限公司 | Fume exhaust fan with air sucking and noise reducing structure |
| CN201589323U (en) * | 2009-12-08 | 2010-09-22 | 美的集团有限公司 | Bellows of range hood |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101825306A (en) | 2010-09-08 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: MIDEA GROUP CO., LTD. Free format text: FORMER NAME: MEIDI GROUP CO. LTD. |
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| CP03 | Change of name, title or address |
Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28 Patentee after: MIDEA GROUP Co.,Ltd. Address before: 528311 Beijiao Road, Shunde District, Guangdong, Foshan, Penglai Patentee before: Midea Group |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120829 Termination date: 20201208 |