CN109595653A - Blower fan system and application have the range hood of the blower fan system - Google Patents
Blower fan system and application have the range hood of the blower fan system Download PDFInfo
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- CN109595653A CN109595653A CN201710924561.4A CN201710924561A CN109595653A CN 109595653 A CN109595653 A CN 109595653A CN 201710924561 A CN201710924561 A CN 201710924561A CN 109595653 A CN109595653 A CN 109595653A
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- blower
- ternary
- air inlet
- air
- fan system
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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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of blower fan systems, including two blowers, it is characterized by: two blowers are respectively the first ternary blower and the second ternary blower, the first ternary blower includes the first 3 d impeller and the first air inlet, the second ternary blower includes the second 3 d impeller and the second air inlet, on oil smoke flow path, second air inlet is located at the downstream of the first air inlet, first air inlet and the second air inlet towards identical direction.Also disclose the range hood that a kind of application has above-mentioned blower fan system.By using two ternary blowers, blower fan structure is compact, size is relatively small, fan efficiency and wind pressure are high, and the suction gradient of generation is big, and smoking efficiency can be made significantly to be promoted, and pass through the ternary blower of small size, it can make two ternary blowers that still there is lesser size under concatenated combination, so that range hood haves no need to change existing size, installation will not be limited by floor layer is high.
Description
Technical field
The present invention relates to machine for kitchen uses, especially blower fan system, and application the range hood of the blower fan system.
Background technique
Range hood has become one of machine for kitchen use equipment indispensable in Modern Family.Usual range hood includes top
Suction and near-absorption type, the principle that the range hood of top suction type utilizes hot gas to rise, suction is generated when cooking to be risen naturally
Oil smoke, additionally due to it is clean and tidy light and handy, occupy little space the advantages that, it is and in an increasingly wide range of applications, but since it is dynamic
Power source farther out from hearth, reduces the suction effect of power source, oil smoke cannot exhaust completely；The range hood of near-absorption type utilizes whirlpool
It is separate to flow wind pressure, will largely be absorbed apart from the closer oil smoke of hearth with form of arcs, the bad shadow to human health can be reduced
Ring, and power source is closer from hearth, will not substantially reduce the suction effect of power source, but due to the oil smoke rate of climb compared with
Fastly, or to minority the oil smoke escaped upwards is helpless.
Existing range hood, a kind of range hood as disclosed in the Chinese patent application No. is 201420665919.8,
Including casing, exhaust fume collecting hood, centrifugal blower, panel, oil network, deflector and oil-containing groove, the top of casing is arranged in exhaust fume collecting hood, centrifugation
Blower is arranged in exhaust fume collecting hood, and the air inlet of centrifugal blower is facing forward.
The blower fan system of range hood discharges fume to high-drag pipe network poor, the large effect adaptation of range hood at present
Property influence User Status under smoke absorption effect.And currently, since a part of range hood larger in city is in use state,
Oil smoke is in addition to needing the smoke exhaust pipe by itself, after check (non-return) valve and discharge flue, it is also necessary to connect firebreak device and public cigarette
Oil smoke could be discharged for road, and for residential building higher for some floors, common flue is often longer, and common flue
The top of floor is arranged in outlet, and in this way for being located at for the resident of lowrise layer, the back pressure of range hood will be very big, this
The use of more resistance devices, the flow that range hood can be made to carve when in use are greatly lowered, and smoke absorption effect is deteriorated, simultaneously
Noise is larger.
For this purpose, there is now the structure of two fans combination, this blower fan structure tool there are two can independent operation blower, energy
It is enough to obtain bigger stronger wind-force.One of which is two fans parallel-connection structure, and such as application No. is the China of 201720109507.X
A kind of double volute blower of patent disclosure, including shell, there are two blowers for the interior setting of shell, and two blowers share an outlet air
Mouthful, air outlet has a cylindrical passageway, mobilizable wind deflector is provided in the middle part of cylindrical passageway, wind deflector is along cylindricality
The length direction in channel extends to air outlet, cylindrical passageway is divided into two individual air-out passages, each air-out passage is equal
Be connected with a blower, and rotate wind deflector selectively one of air-out passage can be closed, while by another
Air-out passage is opened.
In addition, another is then two fans cascaded structure, as the applicant application No. is in 201310248436.8
A kind of kitchen ventilator of state's patent disclosure, including casing, casing lower section are provided with oil smoke import, are provided with oil smoke above casing and go out
Mouthful, the blower fan system of air intake vent and oil smoke inlet communication, air outlet and oil smoke outlet, blower fan system packet are provided in casing
It includes: the first centrifugal blower, the air intake vent and oil smoke inlet communication of the first centrifugal blower；Second centrifugal blower, the second centrifugal blower
Air intake vent and the air outlet of the first centrifugal blower between be connected to by a curved connecting pipe, the outlet air of the second centrifugal blower
Mouth and oil smoke outlet.Since centrifugal blower volume is larger, connect in the manner cloth when by two centrifugal blowers
It postpones, the height that will lead to casing is limited more than floor, thus can not normal use.
Summary of the invention
First technical problem to be solved by this invention is in view of the above-mentioned problems of the prior art, providing a kind of true
Protect air quantity and the blower fan system without changing Cabinet Size.
Second technical problem to be solved by this invention is to provide the range hood that a kind of application has above-mentioned blower fan system.
The present invention solves technical solution used by above-mentioned first technical problem are as follows: a kind of blower fan system, including two
Blower, it is characterised in that: two blowers are respectively the first ternary blower and the second ternary blower, and the first ternary blower includes
First 3 d impeller and the first air inlet, the second ternary blower includes the second 3 d impeller and the second air inlet, in oil smoke
On flow path, second air inlet is located at the downstream of the first air inlet, first air inlet and the second air inlet direction
Identical direction.
An invention according to the present invention, the first ternary blower and the corresponding arrangement of the second ternary blower, described first
Second air inlet of the first air inlet of ternary blower and the second ternary blower in correspondence with each other, the first of the first ternary blower
Second air outlet of air outlet and the second ternary blower is in correspondence with each other.
According to another aspect of the present invention, the first ternary blower and the second ternary blower dislocation arrangement, described the
Second air inlet of the first air inlet of one ternary blower and the second ternary blower dislocation arrangement, the of the first ternary blower
Second air outlet of one air outlet and the second ternary blower dislocation arrangement so that the first air outlet of the first ternary blower with
Second air inlet of the second ternary blower in correspondence with each other or close to correspond to, thus may make the second ternary blower have preferably into
Wind effect.
To enable the abundant diffusion of exit flow of first order blower, so that dynamic pressure switchs to static pressure, into second level wind
The diameter of machine, the first 3 d impeller and the second 3 d impeller is identical, the distance between first air inlet and the second air inlet
With the ratio 0.2~1 of the diameter of the first 3 d impeller.
The present invention solves first technical solution used by above-mentioned second technical problem are as follows: a kind of application has institute as above
The range hood for the blower fan system stated, the cabinet including exhaust fume collecting hood and above exhaust fume collecting hood, the blower fan system are arranged in machine
In case, first air inlet and the second air inlet are downward in horizontal arrangement.
To filter oil smoke fully before entering blower, and cooking fume stream is rectified, to improve
Fan efficiency is formed with air duct in the cabinet, and the inlet in the air duct is provided with screens, and the blower fan system is placed in wind
In road.
For ensure screens effect realization, between the first air inlet and tunnel inlet of the first ternary blower away from
From 1~2 times for the first 3 d impeller diameter, the center of first 3 d impeller is greater than the one or three at a distance from tunnel inlet
The diameter of first impeller.
The present invention solves second technical solution used by above-mentioned second technical problem are as follows: a kind of application has institute as above
The range hood for the blower fan system stated, the cabinet including exhaust fume collecting hood and above exhaust fume collecting hood, the blower fan system are arranged in machine
In case, first air inlet is obliquely downward in tilting with the second air inlet.
To promote the flow field of blower and reducing noise, the first air outlet of the first ternary blower and the second ternary blower
The second air inlet between pass through guide duct connect.
To filter oil smoke fully before entering blower, and cooking fume stream is rectified, to improve
Fan efficiency is formed with air duct in the cabinet, and the inlet in the air duct is provided with screens, and the blower fan system is placed in wind
In road.
For the realization for ensuring screens effect, the entrance in the first air inlet center of the first ternary blower and air duct it
Between vertical range be 0.5~2 times of diameter of the first 3 d impeller.
Compared with the prior art, the advantages of the present invention are as follows: by using two ternary blowers, blower fan structure is compact, ruler
Very little relatively small, fan efficiency and wind pressure are high, and the suction gradient of generation is big, and smoking efficiency can be made significantly to be promoted, and pass through
The ternary blower of small size can make two ternary blowers still have lesser size under concatenated combination, so that inhaling
Kitchen ventilator haves no need to change existing size, and installation will not be limited by floor layer is high.
Detailed description of the invention
Fig. 1 is the schematic diagram of range hood one embodiment of the invention；
Fig. 2 is that the range hood of Fig. 1 hides the schematic diagram of front side wall；
The cross-sectional view of the range hood of Fig. 3；
Fig. 4 is the schematic diagram of second embodiment of range hood of the invention；
Fig. 5 is the cross-sectional view of the range hood of Fig. 4；
Fig. 6 is the schematic diagram of range hood third embodiment of the invention；
Fig. 7 is the cross-sectional view of the range hood of Fig. 6.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
Embodiment one
Referring to FIG. 1 to FIG. 3, a kind of range hood, the cabinet 2 including exhaust fume collecting hood 1, above exhaust fume collecting hood 1, for convenient for retouching
State, hereinafter, "front", "rear", "left", "right", "upper", "lower" each mean user when using range hood, fume-exhausting
Orientation of the machine relative to user, and structure is not limited.
In the present embodiment, cabinet 2 include front side wall 21, be located at the left and right sides left side wall 22 and right side wall 23,
And rear wall 24, a cavity, the cavity are surrounded between above-mentioned front side wall 21, left side wall 22, right side wall 23 and rear wall 24
The air inlet (not shown) pair opened up on air duct 25 as in cabinet 2,25 entrance of air duct (bottom end of cabinet 2) and exhaust fume collecting hood 1
It answers, 25 inlet of air duct is provided with screens 26.Blower fan system 4 is provided in cabinet 2, blower fan system 4 can be independent including two
The the first ternary blower 41 and the second ternary blower 42 of operating, two ternary fans in series settings.By using 3 d impeller, phase
Than flow efficiency can be significantly increased in centrifugal blower, air quantity is improved.
The first 3 d impeller 412 that first ternary blower 41 spiral case 411 and be arranged in the first spiral case 411 including first,
The second 3 d impeller 422 that second ternary blower 42 spiral case 421 and be arranged in the second spiral case 421 including second.First spiral case
It is formed with the first air inlet 413 on 411, the second air inlet 423, the top shape of the first spiral case 411 are formed on the second spiral case 421
At the first air outlet 414, the top of the second spiral case 421 forms the second air outlet 424.
The prior art can be used in first 3 d impeller 412 and the second 3 d impeller 422, as the applicant application No. is
Structure disclosed in 201620102790.9 patent, two 3 d impellers are respectively independent, are respectively provided with independent first and drive
Dynamic motor 431 and the second driving motor 432.
First ternary blower 41 (as first order blower) and the second ternary blower 42 (as second level blower) are mutual respectively
It is mutually independent, and be in horizontal arrangement, i.e., the air inlet of two ternary blowers is downward.Second ternary blower 42 is located at first
The top of ternary blower 41, two ternary blower arranged for interval.When oil smoke enters from exhaust fume collecting hood 1, the first ternary wind is passed sequentially through
Machine 41 (upstream of oil smoke flow path) and the second ternary blower 42 (downstream of oil smoke flow path).First ternary blower 41
It is in the first open, i.e., above-mentioned air outlet between first air outlet 414 and the second air inlet 423 of the second ternary blower 42
414 and second are not connected by guide duct between air inlet 423, and oil smoke is directly discharged in cabinet 2 by the first air outlet 414
In air duct 25, the second air inlet 423 sucks oil smoke out of air duct 25 in cabinet 2.
In the present embodiment, the first ternary blower 41 and the second ternary blower 42 are arranged in correspondence with each other, the first ternary blower
41 the first air inlet 413 and the second air inlet 423 of the second ternary blower 42, which can correspond to, (coaxially or same to hang down
Histogram is upward), the second air outlet 424 of the second air outlet 414 of the first ternary blower 41 and the second ternary blower 42 can also be with
Corresponding (coaxially or in the same vertical direction).It is kept centainly between first air inlet 413 and the second air inlet 423
Distance, distance between the two and the diameter of the first 3 d impeller 412 or the second 3 d impeller 422 (two 3 d impellers are identical)
Ratio 0.2~1.Suitable spacing is kept between two-stage blower, enables the abundant diffusion of the exit flow of first order blower,
So that dynamic pressure switchs to static pressure, into second level blower；But can not from it is too far, otherwise lose the concatenated meaning of two fans.
First air inlet 413 of the first ternary blower 41 is maintained a certain distance with 25 entrance of air duct, between the two away from
From 1~2 times for 412 diameter of the first 3 d impeller, the center of the first 3 d impeller 412 must be big at a distance from 25 entrance of air duct
It can just be played a role in the screens 26 of the diameter of the first 3 d impeller 412, such 25 inlet of air duct, but 2 can not be greater than
Times diameter, otherwise apart from negative pressure region apart from too far.
The mode of this arranged in series realizes oil smoke and directly inhales in line, improves static pressure, promote range hood effect；Two
Grade blower fan filtering, increases filter effect, improves grease separating degree；Two-stage fans in series, every level-one rotation speed of fan are just not required to
It is so high, noise can be effectively reduced.
Embodiment two
Referring to fig. 4 and Fig. 5, in the present embodiment, with above-described embodiment three the difference is that, the first ternary blower 41
(as first order blower) and second ternary blower 42 (as second level blower) dislocation arrangement, i.e. the first spiral case 411 and second
Spiral case 412 is in reversely, and the first air inlet 413 of the first ternary blower 41 is close to right side, the second air inlet of the second ternary blower 42
Mouth 423 is close to left side, and the second air outlet 414 of the first ternary blower 41 is close to left side, the second outlet air of the second ternary blower 42
Mouthfuls 424 close to right side, at this time the second air inlet of the first air outlet 414 of the first ternary blower 41 and the second ternary blower 42
423 corresponding in vertical direction or close correspondences.The distance between first air inlet 413 and the second air inlet 423 are Vertical Square
Upward distance.
Embodiment three
Referring to Fig. 6 and Fig. 7, in the present embodiment, with above-described embodiment three the difference is that, the first ternary blower 41
Obliquely upper and lower arranged for interval, i.e. the first air inlet 413 and the level of the first ternary blower 41 are distinguished with the second ternary blower 42
Inclinedly downward, the second air inlet 423 of the second ternary blower 42 and horizontal direction are inclinedly downward in direction.
Pass through between first air outlet 414 of the first ternary blower 41 and the second air inlet 423 of the second ternary blower 42
Guide duct 46 connects.Vertical range between 413 center of the first air inlet of first ternary blower 41 and the entrance in air duct 25 is
0.5~2 times of the diameter of first 3 d impeller 412.
The blower whole height of this tilting series system, composition is lower, and fan outlet static pressure is larger, is conducive to overcome
The high-rise resistance of ducting, further, since the small size of ternary blower, Wind Volume, solve the problems, such as that floor layer height is limited.
Claims (11)
1. a kind of blower fan system, including two blowers, it is characterised in that: two blowers are respectively the first ternary blower (41) and
Two ternary blowers (42), the first ternary blower (41) include the first 3 d impeller (412) and the first air inlet (413), institute
Stating the second ternary blower (42) includes the second 3 d impeller (422) and the second air inlet (423), on oil smoke flow path, institute
State the downstream that the second air inlet (423) are located at the first air inlet (413), first air inlet (413) and the second air inlet
(423) towards identical direction.
2. blower fan system according to claim 1, it is characterised in that: the first ternary blower (41) and the second ternary wind
The corresponding arrangement of machine (42), the second of the first air inlet (413) of the first ternary blower (41) and the second ternary blower (42)
Air inlet (423) in correspondence with each other, the first air outlet (414) of the first ternary blower (41) and the second ternary blower (42)
Second air outlet (424) is in correspondence with each other.
3. blower fan system according to claim 1, it is characterised in that: the first ternary blower (41) and the second ternary wind
Machine (42) dislocation arrangement, the second of the first air inlet (413) of the first ternary blower (41) and the second ternary blower (42)
Air inlet (423) dislocation arrangement, the first air outlet (414) of the first ternary blower (41) and the second ternary blower (42)
Second air outlet (424) dislocation arrangement, so that the first air outlet (414) of the first ternary blower (41) and the second ternary wind
The second air inlet (423) of machine (42) in correspondence with each other or close to correspond to.
4. blower fan system according to claim 2 or 3, it is characterised in that: the first 3 d impeller (412) and the second ternary leaf
The diameter for taking turns (422) is identical, the distance between first air inlet (413) and the second air inlet (423) and the first ternary leaf
Take turns the ratio 0.2~1 of the diameter of (412).
5. a kind of application has the range hood of blower fan system as described in any one of claims 1 to 4, including exhaust fume collecting hood (1)
With the cabinet (2) being located above exhaust fume collecting hood (1), the blower fan system setting is in cabinet (2), first air inlet (413)
It is downward in horizontal arrangement with the second air inlet (413).
6. range hood according to claim 5, it is characterised in that: it is formed with air duct (25) in the cabinet (2), it is described
The inlet in air duct (25) is provided with screens (26), and the blower fan system (4) is placed in air duct (25).
7. range hood according to claim 6, it is characterised in that: the first air inlet of the first ternary blower (41)
(413) with 1~2 times that the distance between air duct (25) entrance is the first 3 d impeller (412) diameter, first 3 d impeller
(412) center is greater than the diameter of the first 3 d impeller (412) at a distance from air duct (25) entrance.
8. a kind of application has the range hood of blower fan system as described in any one of claims 1 to 4, including exhaust fume collecting hood (1)
With the cabinet (2) being located above exhaust fume collecting hood (1), the blower fan system setting is in cabinet (2), first air inlet (413)
It is obliquely downward in tilting with the second air inlet (413).
9. range hood according to claim 8, it is characterised in that: the first air outlet of the first ternary blower (41)
(414) it is connected between the second air inlet (423) of the second ternary blower (42) by guide duct (46).
10. range hood according to claim 8 or claim 9, it is characterised in that: air duct (25) are formed in the cabinet (2),
The inlet of the air duct (25) is provided with screens (26), and the blower fan system (4) is placed in air duct (25).
11. range hood according to claim 10, it is characterised in that: the first air inlet of the first ternary blower (41)
Vertical range between mouth (413) center and the entrance of air duct (25) is 0.5~2 times of the diameter of the first 3 d impeller (412).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710924561.4A CN109595653A (en) | 2017-09-30 | 2017-09-30 | Blower fan system and application have the range hood of the blower fan system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710924561.4A CN109595653A (en) | 2017-09-30 | 2017-09-30 | Blower fan system and application have the range hood of the blower fan system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109595653A true CN109595653A (en) | 2019-04-09 |
Family
ID=65956824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710924561.4A Withdrawn CN109595653A (en) | 2017-09-30 | 2017-09-30 | Blower fan system and application have the range hood of the blower fan system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109595653A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529906A (en) * | 2019-09-29 | 2019-12-03 | 珠海格力电器股份有限公司 | Air suction structure and range hood |
| CN113983550A (en) * | 2021-09-30 | 2022-01-28 | 珠海格力电器股份有限公司 | Fresh air device and air conditioner of machine in air conditioning |
-
2017
- 2017-09-30 CN CN201710924561.4A patent/CN109595653A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529906A (en) * | 2019-09-29 | 2019-12-03 | 珠海格力电器股份有限公司 | Air suction structure and range hood |
| CN113983550A (en) * | 2021-09-30 | 2022-01-28 | 珠海格力电器股份有限公司 | Fresh air device and air conditioner of machine in air conditioning |
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| PB01 | Publication | ||
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Application publication date: 20190409 |