CN110274280A - A kind of range hood with parallel fan - Google Patents
A kind of range hood with parallel fan Download PDFInfo
- Publication number
- CN110274280A CN110274280A CN201810218156.5A CN201810218156A CN110274280A CN 110274280 A CN110274280 A CN 110274280A CN 201810218156 A CN201810218156 A CN 201810218156A CN 110274280 A CN110274280 A CN 110274280A
- Authority
- CN
- China
- Prior art keywords
- flapper
- range hood
- removable cover
- outlet
- air 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.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 230000000694 effects Effects 0.000 claims description 9
- 230000003447 ipsilateral effect Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000010411 cooking Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000000391 smoking effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
- F24C15/2021—Arrangement or mounting of control or safety systems
Abstract
A kind of range hood with parallel fan, including shell, left blower and right blower parallel with one another are installed in shell, outlet housing is installed on the shell, left fan outlet and right fan outlet are connected with outlet housing, flapper is installed in outlet housing, flapper under the driving of the first driving mechanism can deflection to close left fan outlet or right fan outlet, removable cover is installed on the shell, removable cover can close left air inlet or right air inlet under the driving of the second driving mechanism.When the left blower of the range hood and right blower start, it does not interfere with each other the flapper air-flow in a vertical position that can make left fan outlet and the air-flow of right fan outlet independently of each other, to effectively reduce the collision of two fluids, eliminate vortex, aerodynamic noise is reduced, wherein when the blower starting of side, is deflected by flapper, the blower cavity volume for starting side can be made to become larger, to reduce air velocity and aerodynamic noise.
Description
Technical field
The present invention relates to a kind of range hoods, more particularly, to a kind of range hood with parallel fan.
Background technique
The burner of common household cooker is usually divided to or so two, and range hood currently on the market has generally only included
One blower, smoke absorption effect has to be hoisted.For deficiency existing for single blower range hood, people have been invented using wind in parallel
The range hood of machine, two blower and two cooking range furnace ends correspond, and smoking effect can be substantially improved, thus are disappeared
Take the welcome in market, still, since the air-flow being discharged from the air outlet of two parallel fans is discharged into the same outlet housing, when two
When crosswind machine starts simultaneously, two sidewinds can be collided mutually, be interfered, to aggravate aerodynamic noise, the especially wind when side
Machine starting is high-grade, when other side starting is low-grade, since two strands of air-flow velocities are unequal, make to generate vortex in outlet housing, pneumatically make an uproar
Sound is even more serious.Also, user is during the cooking process, and sometimes two sides use simultaneously, sometimes only uses the burner of side, such as
Fruit user only uses side burner and cooks, and opens the blower of the same side, then oil smoke can influence smoking effect from another side reflux
It is experienced with culinary art.In conclusion needing to improve the extractor hood structure of existing parallel fan.
Summary of the invention
The technical problem to be solved by the present invention is to be directed to above-mentioned state of the art, provide that a kind of structure is simple, noise reduction
The good range hood with parallel fan of effect.
The technical scheme of the invention to solve the technical problem is: this has the range hood of parallel fan, packet
Shell is included, left blower and right blower parallel with one another are installed in the shell, outlet housing, Zuo Feng are installed on the housing
Machine air outlet and right fan outlet are connected with the outlet housing, it is characterised in that: are equipped with work in the outlet housing
Dynamic baffle, the flapper under the driving of the first driving mechanism can deflection to close left fan outlet or right blower
Air outlet, is equipped with removable cover on the housing, and the removable cover can close a left side under the driving of the second driving mechanism
Air inlet or right air inlet.
Flapper can be there are many mounting structure, it is preferable that the flapper erects under undeflected original state
To the centre that the outlet housing is arranged in, first driving mechanism is the first motor being mounted on the outlet housing, institute
The output shaft for stating first motor is horizontally disposed with and is connected on the flapper.In this way, first motor can smoothly drive
Flapper or so is to deflection, to close left fan outlet or right fan outlet.
In order to improve noise reduction effect, noise reduction hole is equipped on the flapper.
In order to further increase noise reduction effect, the noise reduction hole is the through-hole for being covered with entire flapper.Thus, it is possible to sharp
Noise reduction is carried out with Helmholz resonance principle, noise reduction effect is more preferable.
Removable cover can be there are many mounting structure, it is preferable that second driving mechanism is to install on the housing
The second motor, swing rod is installed on the output shaft of second motor, swing rod left and right under the driving of the second motor
It swings, the removable cover is mounted on the lower end of swing rod.
Further preferably, the removable cover is rounded, and the lower end of the swing rod is mounted on the center of the removable cover.
In order to enable removable cover smoothly to close left air inlet and right air inlet, the left air inlet
End face and the end face of right air inlet are flush.
It further include having for controlling first driving mechanism and to realize the linkage of flapper and removable cover
The controller that two driving mechanisms are connected.
Further preferably, the flapper can be to ipsilateral synchronous fortune under the control of the controller with removable cover
It is dynamic, and while flapper closes left fan outlet, the removable cover closes left air inlet, in flapper
While closing right fan outlet, the removable cover closes right air inlet.In this way, when flapper closes left blower
When air outlet and the removable cover left air inlet of closing, right blower interior forms Helmholz resonance chamber, to further drop
Noise when low left blower works, conversely, left blower interior forms Helmholz resonance chamber, to further decrease right fanman
Noise when making.
As the preferred of any of the above-described scheme, the area of the removable cover be greater than or equal to the left air inlet and
Right air inlet area.
Compared with the prior art, the advantages of the present invention are as follows: there is the flapper of the range hood of parallel fan to exist for this
Energy deflection is under the driving of first driving mechanism to close left fan outlet or right fan outlet, and removable cover is second
Left air inlet or right air inlet can be closed under the driving of driving mechanism, when left blower and right blower start, activity
The baffle air-flow in a vertical position that can make left fan outlet and the air-flow of right fan outlet are not done mutually independently of each other
It disturbs, to effectively reduce the collision of two fluids, eliminates vortex, reduce aerodynamic noise, wherein when the blower starting of side, pass through
The deflection of flapper can make the volume for the blower inner cavity for starting side become larger, so that air velocity and aerodynamic noise are reduced, and
The air inlet that inactive blower is closed by removable cover cooperation, can be further improved noise reduction effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the outlet housing schematic diagram of internal structure of the embodiment of the present invention；
Fig. 3 is structural schematic diagram of the embodiment of the present invention when left and right blower enables；
Fig. 4 is structural schematic diagram of the embodiment of the present invention when only left blower enables.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in Figures 1 to 4, the range hood with parallel fan in the present embodiment includes shell 1, peace in shell 1
Equipped with left blower 2 and right blower 3 parallel with one another, outlet housing 4, left fan outlet 22 and right blower are installed on shell 1
Air outlet 32 is connected with outlet housing 4, flapper 5 is equipped in outlet housing 4, flapper 5 is in the first driving mechanism
Driving under can deflection to close left fan outlet 22 or right fan outlet 32, removable cover is installed on shell 1
Plate 6, removable cover 6 can close left air inlet 21 or right air inlet 31 under the driving of the second driving mechanism.
Wherein, the first driving mechanism is the first motor 7 being mounted on outlet housing 4, and the output shaft level of first motor 7 is set
It sets and is connected on flapper 5, flapper 5 is vertically provided at the centre of outlet housing 4 under undeflected original state, living
Dynamic baffle 5 can deflection under the driving of first motor 7.In addition, noise reduction hole 51 is offered on flapper 5, noise reduction hole
51 are through-hole and are covered with entire flapper 5.
Second driving mechanism is the second motor 8 being mounted on shell 1, is equipped with pendulum on the output shaft of the second motor 8
Bar 9, swing rod 9 swing under the driving of the second motor 8.In the present embodiment, removable cover 6 is rounded, the lower end peace of swing rod 9
Mounted in the center of removable cover 6.
In addition, for the air inlet of 6 energy normal switching-off blower of removable cover, the area of removable cover 6 is greater than or equal to a left side
31 area of air inlet 21 and right air inlet, and the end face of the end face of left air inlet 21 and right air inlet 31
It is flush.
In the present embodiment, first motor 7 and the second motor 8 can be realized connection under the control of controller (not shown)
It is dynamic, flapper 5 and removable cover 6 are moved synchronously to ipsilateral.For example, closing left fan outlet in flapper 5
While 22, removable cover 6 can close left air inlet 21, while flapper 5 closes right fan outlet 32,
Removable cover 6 closes right air inlet 31.
The working principle of the range hood is as follows:
When kitchen range or so are cooked simultaneously, left blower 2 and right blower 3 starting of the range hood, flapper 5 are set vertically
It is placed in the centre of outlet housing 4, outlet housing 4 is divided into 42 two independent chambers of left chamber 41 and right chamber by flapper 5, activity
Cover board 6 is in the middle position between left air inlet 21 and right air inlet 31, and 2 air-flow of Zuo Fengji is through outlet housing 4
Left chamber 41 is discharged, and right 3 air-flow of blower is discharged through the right chamber 42 of outlet housing 4, and the air-flow of left chamber 41 and right chamber 42 is mutual
It does not interfere with each other independently, to effectively reduce the collision of two strands of air-flows, eliminates vortex, reduce aerodynamic noise.
When kitchen range only left side culinary art, Zuo Fengji 2 starts and right blower 3 does not start, and flapper 5 deflects to the right and will
Right fan outlet 32 is closed, and 2 air-flow of Zuo Fengji is discharged through the left chamber 41 of outlet housing 4, to the right due to the deflection of flapper 5
Side, left side volume become larger, and discharge area increases, according to fluid continuity equation, in the identical situation of flow, discharge area
Increase, fluid velocity reduce, dynamic pressure reduce, aerodynamic noise reduce, in addition, by according to bernoulli principle it is found that in gas total pressure
Under the premise of certain, power reduction can be such that static pressure increases.In addition, flapper 5 can also completely to the right on the left of kitchen range when culinary art
It deflects to close right fan outlet 32, meanwhile, removable cover 6 is swung to the right to close right air inlet 31, at this point, right wind
Seal cavity is formed inside machine 3, due to being provided with noise reduction hole 51 on flapper 5, makes to form He Muhuo inside right blower 3
Hereby resonant cavity can further decrease the noise when work of left blower 2 according to Helmholz resonance principle of noise reduction.
Kitchen range only right side culinary art when, working principle and kitchen range only left side culinary art when identical, not reinflated description herein.
Claims (10)
1. a kind of range hood with parallel fan, including shell (1), the shell (1) is interior to be equipped with a left side parallel with one another
Blower (2) and right blower (3), are equipped with outlet housing (4) on the shell (1), and left fan outlet (22) and right blower go out
Air port (32) is connected with the outlet housing (4), it is characterised in that: is equipped with flapper in the outlet housing (4)
(5), the flapper (5) under the driving of the first driving mechanism can deflection to close left fan outlet (22) or the right side
Fan outlet (32) is equipped with removable cover (6) on the shell (1), and the removable cover (6) is in the second driving mechanism
Driving under can close left air inlet (21) or right air inlet (31).
2. the range hood according to claim 1 with parallel fan, it is characterised in that: the flapper (5) exists
The centre of the outlet housing (4) is vertically provided under undeflected original state, first driving mechanism is is mounted on
The first motor (7) on outlet housing (4) is stated, the output shaft of the first motor (7) is horizontally disposed with and is connected to the activity
On baffle (5).
3. the range hood according to claim 1 with parallel fan, it is characterised in that: in the flapper (5)
It is equipped with noise reduction hole (51).
4. the range hood according to claim 3 with parallel fan, it is characterised in that: the noise reduction hole (51) is cloth
The through-hole of full entire flapper (5).
5. the range hood according to claim 1 with parallel fan, it is characterised in that: second driving mechanism is
The second motor (8) being mounted on the shell (1) is equipped with swing rod (9), institute on the output shaft of second motor (8)
It states swing rod (9) to swing under the driving of the second motor, the removable cover (6) is mounted on the lower end of swing rod (9).
6. the range hood according to claim 5 with parallel fan, it is characterised in that: the removable cover (6) is in
The lower end of circle, the swing rod (9) is mounted on the center of the removable cover (6).
7. the range hood according to claim 1 with parallel fan, it is characterised in that: the left air inlet
(21) end face of end face and right air inlet (31) is flush.
8. the range hood according to claim 1 with parallel fan, it is characterised in that: further include having for controlling
State the controller that the first driving mechanism and the second driving mechanism are connected.
9. the range hood according to claim 8 with parallel fan, it is characterised in that: the flapper (5) and
Removable cover (6) can move synchronously under the control of the controller to ipsilateral, and close left blower outlet air in flapper (5)
While mouth (22), the removable cover (6) closes left air inlet (21), closes right blower outlet air in flapper (5)
While mouth (32), the removable cover (6) closes right air inlet (31).
10. according to claim 1 to the range hood described in any claim in 9 with parallel fan, it is characterised in that:
The area of the removable cover (6) is greater than or equal to the left air inlet (21) and right air inlet (31) area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810218156.5A CN110274280B (en) | 2018-03-16 | 2018-03-16 | Range hood with parallel fans |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810218156.5A CN110274280B (en) | 2018-03-16 | 2018-03-16 | Range hood with parallel fans |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110274280A true CN110274280A (en) | 2019-09-24 |
| CN110274280B CN110274280B (en) | 2024-02-20 |
Family
ID=67958937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810218156.5A Active CN110274280B (en) | 2018-03-16 | 2018-03-16 | Range hood with parallel fans |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110274280B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253495A (en) * | 2020-09-11 | 2021-01-22 | 宁波方太厨具有限公司 | Fan system and range hood with same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW462476U (en) * | 1999-11-25 | 2001-11-01 | Li Ying Hua | Improved structure for electrostatic kitchen hood |
| US20060084374A1 (en) * | 2004-10-14 | 2006-04-20 | International Business Machines Corporation | Method and apparatus for a low impedance anti-recirculation air moving inlet device |
| CN101042247A (en) * | 2007-04-29 | 2007-09-26 | 中国科学技术大学 | Whirl entraining type cooking fume exhauster |
| CN105091057A (en) * | 2015-09-08 | 2015-11-25 | 广东美的厨房电器制造有限公司 | Smoke exhaust ventilator |
| CN205026771U (en) * | 2015-09-08 | 2016-02-10 | 广东美的厨房电器制造有限公司 | A volute component for range hood |
| CN205878293U (en) * | 2016-08-09 | 2017-01-11 | 广东美的厨房电器制造有限公司 | Range hood |
-
2018
- 2018-03-16 CN CN201810218156.5A patent/CN110274280B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW462476U (en) * | 1999-11-25 | 2001-11-01 | Li Ying Hua | Improved structure for electrostatic kitchen hood |
| US20060084374A1 (en) * | 2004-10-14 | 2006-04-20 | International Business Machines Corporation | Method and apparatus for a low impedance anti-recirculation air moving inlet device |
| CN101042247A (en) * | 2007-04-29 | 2007-09-26 | 中国科学技术大学 | Whirl entraining type cooking fume exhauster |
| CN105091057A (en) * | 2015-09-08 | 2015-11-25 | 广东美的厨房电器制造有限公司 | Smoke exhaust ventilator |
| CN205026771U (en) * | 2015-09-08 | 2016-02-10 | 广东美的厨房电器制造有限公司 | A volute component for range hood |
| CN205878293U (en) * | 2016-08-09 | 2017-01-11 | 广东美的厨房电器制造有限公司 | Range hood |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253495A (en) * | 2020-09-11 | 2021-01-22 | 宁波方太厨具有限公司 | Fan system and range hood with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110274280B (en) | 2024-02-20 |
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