CN209414249U - A kind of blade and integrated kitchen range blower of integrated kitchen range blower - Google Patents
A kind of blade and integrated kitchen range blower of integrated kitchen range blower Download PDFInfo
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- CN209414249U CN209414249U CN201822229510.2U CN201822229510U CN209414249U CN 209414249 U CN209414249 U CN 209414249U CN 201822229510 U CN201822229510 U CN 201822229510U CN 209414249 U CN209414249 U CN 209414249U
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- sawtooth
- blade
- kitchen range
- integrated kitchen
- main body
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Abstract
The utility model provides a kind of integrated kitchen range blower, belongs to technical field of kitchen wares.The blade construction that it the solves existing integrated kitchen range blower technical problems such as cause aerodynamic noise larger.This integrated kitchen range blower, including wind-guiding shell and the impeller being fixed on the inside of wind-guiding shell, impeller includes spiral case and motor, impeller further includes several blades composition being fixed on spiral case, several blades are fixed in spiral case by fixinig plate portion circumference array, the forward position of blade is towards the inside of spiral case, the rear edge of blade is towards the outside of spiral case, the rear length direction on along main body of the main body of blade, which opens up, is formed with several sawtooth, and the tooth height of several sawtooth is gradually increased from the sawtooth at middle part to the sawtooth at both ends.The utility model has the noise of operation smaller, the advantages of enhancing the stability of impeller performance, improve the whole efficiency of impeller.
Description
Technical field
The utility model belongs to technical field of kitchen wares, is related to a kind of integrated kitchen range, especially a kind of blade of integrated kitchen range blower,
The utility model further relates to a kind of integrated kitchen range blower.
Background technique
Range hood or integrated kitchen range have been used as the common kitchen appliance of Modern Family, with constantly mentioning for quality of the life
Height is also gradually increasing the index of its noise requirements.Impeller, driving motor, the big portion of spiral case three can be divided into for its inner fan
Point.Impeller is made of several blades, and existing blade is arc plate prismatic blade, and the lead and trail edges of blade are flat, are led
Cause aerodynamic noise larger.
Summary of the invention
The purpose of this utility model is the presence of the above problem in view of the prior art, proposes a kind of leaf of integrated kitchen range blower
The technical issues of piece and integrated kitchen range blower, the utility model solves is with the improvement to blade come aerodynamic noise when realizing operation
Reduction.
The purpose of this utility model can be realized by the following technical scheme:
A kind of blade of integrated kitchen range blower, including the main body in strip sheet and positioned at the fixinig plate portion at main body both ends, institute
Main body to be stated to be arc-shaped along width direction bending, the side of the main body in the direction of the width is forward position, and the other side is rear edge,
It is characterized in that, the rear length direction on along main body of the main body opens up and is formed with several sawtooth, several sawtooth
Tooth height gradually increased from the sawtooth at middle part to the sawtooth at both ends.
The forward position of blade is the side of oil smoke sucking, and the rear edge of blade is the side of oil smoke blowout.
In the blade of above-mentioned integrated kitchen range blower, two lateral tooth flanks of the sawtooth are plane, the tooth crest of the sawtooth
For arc surface, two lateral tooth flanks of the sawtooth and the tooth crest of sawtooth are tangent.
In the blade of above-mentioned integrated kitchen range blower, seamlessly transitted between the two neighboring sawtooth by arc surface.
In the blade of above-mentioned integrated kitchen range blower, since close to body end sawtooth calculate sawtooth specific location
For n, wherein the height of corresponding n-th of sawtooth is Hn, HnMeet following relational expression: Hn=S-0.2n (n ∈ N), S is close in formula
The height of the sawtooth of body end, S meet following relational expression: S=0.6B~1.5B, in formula B be the two neighboring sawtooth it
Between spacing size, B meets following relational expression: B=0.1R~0.3R, wherein the radius of curvature based on R.
In the blade of above-mentioned integrated kitchen range blower, the radius of curvature R of main body meets following relational expression: R=0.035D~
0.125D
In the blade of above-mentioned integrated kitchen range blower, the both ends on the rear edge of the main body all have reserved section, several described
Sawtooth is located between two sections of reserved sections, and the length of the reserved section is F, and F meets following relational expression: F >=3.5mm.
Concrete principle is as follows: along broached-tooth design is used after blade, changing and is fallen off original position of vortex after blade along air-flow
It sets, reduces its interference to active flow, so as to reduce the aerodynamic noise of blower operation；The height of several sawtooth to
It is distributed in a manner of stairway degression from both ends to middle part, blade is on the one hand allowed to show crescent in the overall distribution of sawtooth
Airflow channel changes the stroke of different location on integral blade of air-flow, reduces the compression shock in blade forward position；Another party
There is firm effect in face for blade bending die mould positioned at the biggish sawtooth of the height of blade two side ends；Mounted blade area is more
Small, the overall weight for opening up sawtooth rear blade is also smaller.
A kind of integrated kitchen range blower, including wind-guiding shell and the impeller being fixed on the inside of wind-guiding shell, the impeller includes snail
Shell and motor, which is characterized in that impeller further includes several blades being fixed on spiral case, and several blades pass through fixinig plate portion
Circumference array is fixed in spiral case, and the forward position of the main body of the blade is towards the inside of spiral case, the rear edge of the main body of the blade
Towards the outside of spiral case.
The forward position of blade is the side of oil smoke sucking, and oil smoke is inhaled into the middle part of spiral case when operation, therefore before blade
It is rear along broached-tooth design is used along towards the inside of spiral case, it changes and is fallen off original position of vortex after blade along air-flow, reduced
Its interference to active flow, to reduce the aerodynamic noise of impeller operation, the height of several sawtooth to from both ends to
Middle part is distributed in a manner of stairway degression, and the air-flow on the one hand allowing blade to show crescent in the overall distribution of sawtooth is logical
Road changes the stroke of different location on integral blade of air-flow, reduces the compression shock in blade forward position, when reducing blade operation
Resistance；On the other hand, positioned at the biggish sawtooth of height of blade two side ends, there is firm effect for blade bending die mould,
The stability for guaranteeing impeller entirety, enhances the stability of impeller performance；Mounted blade area is smaller, opens up the whole of sawtooth rear blade
Body weight is also smaller, thus reduce installation blade after spiral case quality, reduce motor load, be conducive to improve blower integrally imitate
Rate.
In above-mentioned integrated kitchen range blower, the diameter of spiral case is D, and the value range of D is D=200~300mm；Spiral case
Width is A, and the value range of A is A=60~120mm.
In above-mentioned integrated kitchen range blower, it is in bowl-shape mounting portion that the middle part of the spiral case, which has, and the motor is located at peace
In dress portion, several cooling windows are offered on the mounting portion.Cooling window can increase the air stream on motor periphery at runtime
It is logical, it is able to achieve the cooling to motor, to motor with the working environment of normal table.
Compared with prior art, this integrated kitchen range blower has the noise of operation smaller, enhances the stability of impeller performance,
The advantages of improving the whole efficiency of impeller.
Detailed description of the invention
Fig. 1 is the schematic perspective view of this impeller.
Fig. 2 is equipped with the side structure schematic view of the spiral case of blade.
Fig. 3 is equipped with the schematic view of the front view of the spiral case of blade.
Fig. 4 is the schematic perspective view of blade.
Fig. 5 is the side structure schematic view of blade.
Fig. 6 is the structural schematic diagram after mounted blade.
In figure, 1, spiral case；11, mounting portion；12, cool down window；2, motor；3, blade；31, main body；311, sawtooth；312,
Reserved section；313, forward position, 314, rear edge；32, fixinig plate portion.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figures 1 to 6, integrated kitchen range blower includes wind-guiding shell and the impeller that is fixed on the inside of wind-guiding shell, impeller
Including spiral case 1 and motor 2, it is in bowl-shape mounting portion 11 that the middle part of spiral case 1, which has, and motor 2 is located in mounting portion 11, mounting portion 11
On offer several cooling windows 12.Impeller further includes several blades 3 being fixed on spiral case 1, and blade 3 includes in strip sheet
Main body 31 and positioned at the fixinig plate portion 32 at 31 both ends of main body, main body 31 is arc-shaped along width direction bending, several blades
3 are fixed in spiral case 1 by 32 circumference array of fixinig plate portion, and the forward position 313 of the main body 31 of blade 3 is towards the inside of spiral case 1, leaf
The main body 31 of piece 3 it is rear along 314 towards the outside of spiral case 1.The forward position 313 of the main body 31 of blade 3 is the side of oil smoke sucking, leaf
The rear side blown out along 314 for oil smoke of the main body 31 of piece 3.The rear both ends along 314 of main body 31 all have reserved section 312, if
Dry sawtooth 311 is located between two sections of reserved sections 312, and the sawtooth 311 close to 31 end of main body connects with reserved section 312.
As shown in Figures 4 to 6, the side of main body 31 in the direction of the width is forward position 313, the other side be after along 314, main body
31 rear open up along 314 along the length direction of main body 31 is formed with several sawtooth 311, the tooth Gao Zizhong of several sawtooth 311
The sawtooth 311 in portion is gradually increased to the sawtooth 311 at both ends.Two lateral tooth flanks of sawtooth 311 are plane, and the tooth crest of sawtooth 311 is
The tooth crest of arc surface, two lateral tooth flanks and sawtooth 311 of sawtooth 311 is tangent, flat by arc surface between two neighboring sawtooth 311
It slips over and crosses.
Specifically, since close to 31 end of main body sawtooth 311 calculate sawtooth 311 specific location be n, due to
Since the end at the both ends of main body 31 can calculate, therefore the maximum value of n is the half of 311 sum of sawtooth, wherein corresponding to
The height of n-th of sawtooth 311 is Hn, HnMeet following relational expression: Hn=S-0.2n (n ∈ N), N is the saw positioned at edge in formula
Tooth 311 arrives the maximum number of the sawtooth 311 positioned at middle part, and S is the height of the sawtooth 311 close to 31 end of main body, and S meets as follows
Relational expression: S=0.6B~1.5B, spacing size of the B between two neighboring sawtooth 311 in formula, B meet following relational expression: B
=0.1R~0.3R, wherein based on R 31 radius of curvature.The radius of curvature R of main body 31 meets following relational expression: R=
0.035D~0.125D.The length of reserved section 312 is F, and F meets following relational expression: F >=3.5mm.The diameter of spiral case 1 is D, D
Value range be D=200~300mm；The width of spiral case 1 is A, and the value range of A is A=60~120mm.
Concrete principle is as follows: the forward position 313 of blade 3 is the side of oil smoke sucking, middle part quilt of the oil smoke from spiral case 1 when operation
Sucking, therefore the forward position 313 of blade 3 is towards the inside of spiral case 1, after along 314 use 311 structures of sawtooth, after changing blade 3
It falls off original position of vortex along 314 air-flows, reduces its interference to active flow, to reduce impeller operation
Aerodynamic noise, the height of several sawtooth 311 is distributed in a manner of stairway degression to from both ends to middle part, on the one hand allows blade 3
The airflow channel that crescent is showed in the overall distribution of sawtooth 311 changes the different location on the integral blade 3 of air-flow
Stroke reduces the compression shock in 3 forward position 313 of blade, reduces resistance when blade 3 is run；On the other hand, it is located at 3 two sides of blade
The biggish sawtooth 311 of the height at end, being bent die mould for blade 3 has firm effect, guarantees the stability of impeller entirety, enhancing
The stability of impeller performance；3 developed area of blade is smaller, and the overall weight for opening up 311 rear blade 3 of sawtooth is also smaller, therefore drops
The quality of spiral case 1, reduces 2 load of motor after low installation blade 3, is conducive to improve blower whole efficiency.
Specific embodiment and test result after now providing one group of optimization:
Design parameter is as follows: D=280mm；A=100mm；F=4.2mm；B=6；R=28； Hn=S-0.2n (n ∈ 8)；
S=4.
Experimental comparison's data
5 are randomly selected with model integrated kitchen range, data is carried out and is averaged
The motor that improved blower in blower and the application uses same model, the two parameter D and ginseng are not improved wherein
Number A is all the same.By upper test result as it can be seen that the lower noise of the integrated kitchen range using improvement rear fan.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (10)
1. a kind of blade of integrated kitchen range blower, described including the main body in strip sheet and positioned at the fixinig plate portion at main body both ends
Main body is arc-shaped along width direction bending, and the side of the main body in the direction of the width is forward position, and the other side is rear edge,
It is characterized in that, the rear length direction on along main body of the main body, which opens up, is formed with several sawtooth, several sawtooth
Tooth height is gradually increased from the sawtooth at middle part to the sawtooth at both ends.
2. the blade of integrated kitchen range blower according to claim 1, which is characterized in that two lateral tooth flanks of the sawtooth are flat
The tooth crest in face, the sawtooth is arc surface, and two lateral tooth flanks of the sawtooth and the tooth crest of sawtooth are tangent.
3. the blade of integrated kitchen range blower according to claim 1, which is characterized in that pass through between the two neighboring sawtooth
Arc surface smooth transition.
4. the blade of integrated kitchen range blower according to claim 1 or 2 or 3, which is characterized in that from the saw close to body end
The specific location that tooth starts to calculate sawtooth is n, wherein the height of corresponding n-th of sawtooth is Hn, HnMeet following relational expression: Hn=
S-0.2n, n meet n ∈ N, and S is the height of the sawtooth close to body end in formula, and S meets following relational expression: S=0.6B~
1.5B, spacing size of the B between the two neighboring sawtooth in formula, B meet following relational expression: B=0.1R~0.3R, wherein
Radius of curvature based on R.
5. the blade of integrated kitchen range blower according to claim 4, which is characterized in that the radius of curvature R of main body meets as follows
Relational expression: R=0.035D~0.125D.
6. the blade of integrated kitchen range blower according to claim 1 or 2 or 3, which is characterized in that the two of the rear edge of the main body
End all has reserved section, and several sawtooth are located between two sections of reserved sections, and the length of the reserved section is F, and F meets such as ShiShimonoseki
It is formula: F >=3.5mm.
7. a kind of integrated kitchen range blower, including wind-guiding shell and the impeller being fixed on the inside of wind-guiding shell, the impeller includes spiral case
And motor, which is characterized in that impeller further includes in any one of several the claims 1 to 6 being fixed on spiral case
Blade, several blades are fixed in spiral case by fixinig plate portion circumference array, and the forward position of the main body of the blade is towards snail
The inside of shell, the rear edge of the main body of the blade is towards the outside of spiral case.
8. integrated kitchen range blower according to claim 7, which is characterized in that the diameter of spiral case is D, and the value range of D is D=
200~300mm.
9. integrated kitchen range blower according to claim 7, which is characterized in that the width of spiral case is A, and the value range of A is A=
60~120mm.
10. integrated kitchen range blower according to claim 7, which is characterized in that it is in bowl-shape peace that the middle part of the spiral case, which has,
Dress portion, the motor are located in mounting portion, and several cooling windows are offered on the mounting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822229510.2U CN209414249U (en) | 2018-12-27 | 2018-12-27 | A kind of blade and integrated kitchen range blower of integrated kitchen range blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822229510.2U CN209414249U (en) | 2018-12-27 | 2018-12-27 | A kind of blade and integrated kitchen range blower of integrated kitchen range blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209414249U true CN209414249U (en) | 2019-09-20 |
Family
ID=67941152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822229510.2U Withdrawn - After Issue CN209414249U (en) | 2018-12-27 | 2018-12-27 | A kind of blade and integrated kitchen range blower of integrated kitchen range blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209414249U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538530A (en) * | 2018-12-27 | 2019-03-29 | 火星人厨具股份有限公司 | A kind of blade and integrated kitchen range blower of integrated kitchen range blower |
-
2018
- 2018-12-27 CN CN201822229510.2U patent/CN209414249U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538530A (en) * | 2018-12-27 | 2019-03-29 | 火星人厨具股份有限公司 | A kind of blade and integrated kitchen range blower of integrated kitchen range blower |
| CN109538530B (en) * | 2018-12-27 | 2021-06-15 | 火星人厨具股份有限公司 | Blade of integrated kitchen fan and integrated kitchen fan |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190920 Effective date of abandoning: 20210615 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190920 Effective date of abandoning: 20210615 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |