CN110274279A - A kind of range hood with parallel fan - Google Patents
A kind of range hood with parallel fan Download PDFInfo
- Publication number
- CN110274279A CN110274279A CN201810218019.1A CN201810218019A CN110274279A CN 110274279 A CN110274279 A CN 110274279A CN 201810218019 A CN201810218019 A CN 201810218019A CN 110274279 A CN110274279 A CN 110274279A
- Authority
- CN
- China
- Prior art keywords
- deflector
- outlet housing
- blower
- outlet
- fan
- 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
- 238000005192 partition Methods 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 210000000481 breast Anatomy 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 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
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000003247 decreasing 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
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003068 static 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
Abstract
A kind of range hood with parallel fan, left blower and right blower parallel with one another are installed in shell, the outlet housing that left blower and right blower share is installed on the shell, it further include left deflector, right deflector, outlet housing partition and driving mechanism, left deflector can open or close left fan outlet under driving mechanism driving, right deflector can open or close right fan outlet under driving mechanism driving, and outlet housing partition can swing under driving mechanism driving inside outlet housing.When left blower and right blower start, outlet housing partition is in a vertical position can be made left fan outlet air-flow mutually indepedent with right fan outlet air-flow and not interfere with each other, to effectively reduce the collision of two fluids, vortex is eliminated, aerodynamic noise is reduced, wherein when the blower starting of side, pass through the deflection of left deflector or right deflector, the volume for starting crosswind machine inner cavity is set to become larger, and the fan outlet of inactive side is closed, 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, a kind of air-flow of two blowers is provided
It will not interfere with each other, the range hood with parallel fan of excellent noise reduction 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, left blower and the right side are installed on the housing
The shared outlet housing of blower, it is characterised in that: further include having left deflector, right deflector, outlet housing partition and driving mechanism, institute
Left fan outlet can be opened or closed under the driving of driving mechanism by stating left deflector, and the right deflector is in driving mechanism
Right fan outlet can be opened or closed under driving, the outlet housing partition can be inside outlet housing under the driving of driving mechanism
It swings.
Preferably, in the state that the outlet housing partition is in outlet housing bosom position, the left deflector and
Right air deflector opens left fan outlet and right fan outlet in the water conservancy diversion position mutually drawn close respectively, outlet housing every
Plate to the left completely deflect in the state of, the right deflector still in water conservancy diversion position and the left deflector is upward deflected and is closed
Left fan outlet, in the state that outlet housing partition deflects to the right completely, left deflector institute still in water conservancy diversion position
Right deflector is stated to upward deflect and close right fan outlet.
Further preferably, outlet housing partition to the left completely deflect in the state of, the outlet housing partition, left deflector with
And closed left noise reduction cavity is enclosed between outlet housing jointly, outlet housing partition to the right completely deflect in the state of, it is described go out
Closed right noise reduction cavity is enclosed between fan housing partition, right deflector and outlet housing jointly.
In order to further increase noise reduction effect, noise reduction hole is provided on the outlet housing partition.In this way, left noise reduction cavity and the right side
Noise reduction cavity can form the Helmholz resonance chamber of sealing.
Driving mechanism can have a variety of structures, it is preferable that the driving mechanism includes motor, driving wheel, left driven wheel
With right driven wheel, the driving wheel is mounted on the output shaft of the motor, and the bottom of the outlet housing partition is mounted on described
On driving wheel, the left driven wheel and right driven wheel are respectively arranged on the left and right sides of driving wheel and are meshed with driving wheel, described
It is mounted on the left driven wheel, is mounted at the top of the right deflector on the right driven wheel at the top of left deflector.
Further preferably, the teeth portion of the driving wheel is only set to the top of driving wheel, and the left driven wheel is engaged on described
The lower left side of driving wheel, the right driven wheel are engaged on the lower right side of the driving wheel.In this way, since the lower part of driving wheel is without nibbling
Right driven wheel can only be driven so that driving wheel can only drive left driven wheel when turning left by closing tooth when turning right.
For the ease of water conservancy diversion sheet reset, make left deflector have reset trend first is installed on the left deflector
Dynamic clamping head and quiet clamping head is equipped with the second dynamic clamping head and quiet clamping head for making right deflector have reset trend on the right deflector.
Further preferably, first dynamic clamping head and quiet clamping head is the left reduction torsion spring being mounted at the top of the left deflector, institute
Stating the second dynamic clamping head and quiet clamping head is the right reduction torsion spring being mounted at the top of the right deflector.
Further preferably, the motor is mounted on the lower section of the outlet housing front side portion.
As the preferred of any of the above-described scheme, the left blower and right blower are centrifugal blower, and left blower into
The air inlet of air port and right blower is towards identical.
Compared with the prior art, the advantages of the present invention are as follows: the range hood is when left blower and right blower start, out
The fan housing partition air-flow in a vertical position that can make left fan outlet and the air-flow of right fan outlet are mutually indepedent and mutual
It does not interfere, to effectively reduce the collision of two fluids, eliminates vortex, reduce aerodynamic noise, the left and right in water conservancy diversion state is led
Flowing plate can improve fluid in the over-separation in exit, left and right air-flow is smoothly discharged, and reduce wind loss, wherein side
When blower starts, by the deflection of left deflector or right deflector, the volume for the blower inner cavity for starting side can be made to become larger, and not
The fan outlet for starting side is closed, to reduce air velocity and aerodynamic noise.
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 partition of the embodiment of the present invention and the mounting structure schematic diagram of left and right deflector；
Fig. 3 is the perspective exploded view of Fig. 2；
Fig. 4 is structural schematic diagram of the embodiment of the present invention when left and right blower enables；
Fig. 5 is structural schematic diagram of the embodiment of the present invention when only left blower enables；
Fig. 6 is structural schematic diagram of the embodiment of the present invention when only right 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 Figure 1 to Figure 3, 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, Zuo Fengji 2 and right blower 3 are centrifugal blower, and the air inlet of left blower 2
With the air inlet of right blower 3 towards identical, the outlet housing 4 shared for left blower 2 and right blower 3 is installed on shell 1.On a left side
The lower left deflector 5 that can open and close left fan outlet 21 of the driving of driving mechanism 8 is mounted at the air outlet of blower 2,
The lower right deflector 6 that can open and close right fan outlet 31 of the driving of driving mechanism 8 is mounted at the air outlet of right blower 3,
The outlet housing partition 7 that swings inside energy is installed under the driving of driving mechanism 8 in outlet housing 4, is opened on outlet housing partition 7
There is noise reduction hole 71.
Driving mechanism 8 in the present embodiment includes motor 81, driving wheel 82, left driven wheel 83 and right driven wheel 84.Wherein,
Motor 81 is mounted on the lower section of 4 front side portion of outlet housing, is arranged after the output shaft horizontal direction of motor 81, driving wheel 82 is mounted on motor
On 81 output shaft, the bottom of outlet housing partition 7 is mounted on driving wheel 82, and left driven wheel 83 and right driven wheel 84 are respectively arranged on
The left and right sides of driving wheel 82 is simultaneously meshed with driving wheel 82, and the top of left deflector 5 is mounted on left driven wheel 83, right water conservancy diversion
The top of plate 6 is mounted on right driven wheel 84.Also, since the teeth portion of driving wheel 82 is only set to the top of driving wheel 82, Zuo Cong
Driving wheel 83 is engaged on the lower left side of driving wheel 82, and right driven wheel 84 is engaged on the lower right side of driving wheel 82, therefore, driving wheel 82 to
Left driven wheel 83 can only be driven when turning left dynamic, right driven wheel 84 can only be driven when driving wheel 82 turns right.
In addition, being equipped with left reduction torsion spring 101 at the top of left deflector 5, left reduction torsion spring 101 has left deflector 5
Have the tendency that reset, right reduction torsion spring 102 is installed at the top of right deflector 6, right reduction torsion spring 102 has right deflector 6
Has the tendency that reset.
The working principle of the range hood is as follows:
As shown in figure 4, when kitchen range or so are cooked simultaneously, left blower 2 and right blower 3 starting of the range hood, outlet air
Cover partition 7 is vertically arranged at the centre of outlet housing 4, and outlet housing 4 is divided into left chamber 41 and right chamber 42 two by outlet housing partition 7
Independent chamber, at this point, left deflector 5 and right deflector 6 are in reset state, i.e., left deflector 5 and right deflector 6 are in
On water conservancy diversion position, left fan outlet 21 and right fan outlet 31 are opened, left chamber of 2 air-flow of Zuo Fengji through outlet housing 4
Room 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 mutually indepedent
And do not interfere with each other, to effectively reduce the collision of two strands of air-flows, vortex is eliminated, reduces aerodynamic noise.
As shown in figure 5, when kitchen range only left side culinary art when, Zuo Fengji 2 starting and right blower 3 does not start, outlet housing partition 7 to
Right deflection completely, left deflector 5 still in water conservancy diversion position and right deflector 6 upward deflects and closes right fan outlet 31, this
When, 2 air-flow of Zuo Fengji is discharged through the left chamber 41 of left fan outlet 21 and outlet housing 4, to the right due to the deflection of outlet housing partition 7
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, in the state of the deflection completely to the right of outlet housing partition 7, outlet air
Closed right noise reduction cavity 92 is enclosed between cover partition 7, right deflector 6 and outlet housing 4 jointly, due in outlet housing partition 7
On be provided with noise reduction hole 71, therefore, right noise reduction cavity 92 is made to form Helmholz resonance chamber, according to Helmholz resonance principle of noise reduction,
The noise when work of left blower 2 can be further decreased.
As shown in fig. 6, kitchen range only right side culinary art when, the starting of right blower 3 and left blower 2 does not start, outlet housing partition 7 is to the left
Completely deflection, right deflector 6 still in water conservancy diversion position and left deflector 5 upward deflects and closes left fan outlet 21, at this point,
Right 3 air-flow of blower is discharged through the right chamber 42 of right fan outlet 31 and outlet housing 4.In addition, complete to the left in outlet housing partition 7
In the state of deflection, closed left noise reduction cavity 91 is enclosed between outlet housing partition 7, left deflector 5 and outlet housing 4 jointly,
Due to being provided with noise reduction hole 71 on outlet housing partition 7, so that left noise reduction cavity 91 is formed Helmholz resonance chamber, according to conspicuous nurse
Huo Zi resonance principle of noise reduction, can further decrease the noise when work of right blower 3.
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 the outlet housing (4) that left blower (2) and right blower (3) share on the shell (1),
It is characterized by also including have left deflector (5), right deflector (6), outlet housing partition (7) and driving mechanism (8), the left side
Deflector (5) can open or close left fan outlet (21) under the driving of driving mechanism (8), and the right deflector (6) exists
It can be opened or closed under the driving of driving mechanism (8) right fan outlet (31), the outlet housing partition (7) is in driving mechanism
(8) it can swing inside outlet housing (4) under driving.
2. the range hood according to claim 1 with parallel fan, it is characterised in that: in the outlet housing partition
(7) in the state of outlet housing (4) bosom position, the left deflector (5) and right deflector (6) are in and mutually draw close
Water conservancy diversion position and open left fan outlet (21) and right fan outlet (31) respectively, it is complete to the left in outlet housing partition (7)
In the state of full-scale deflection, the right deflector (6) is still in water conservancy diversion position and the left deflector (5) upward deflects and closes a left side
Fan outlet (21), in the state of outlet housing partition (7) deflection completely to the right, the left deflector (5) is still in water conservancy diversion
Position and the right deflector (6) upward deflects and closes right fan outlet (31).
3. the range hood according to claim 2 with parallel fan, it is characterised in that: outlet housing partition (7) to
In the state of left deflection completely, envelope is enclosed jointly between the outlet housing partition (7), left deflector (5) and outlet housing (4)
The left noise reduction cavity (91) closed, in the state of outlet housing partition (7) deflection completely to the right, the outlet housing partition (7), right water conservancy diversion
Closed right noise reduction cavity (92) is enclosed between plate (6) and outlet housing (4) jointly.
4. the range hood according to claim 1 with parallel fan, it is characterised in that: in the outlet housing partition
(7) noise reduction hole (71) are provided on.
5. the range hood according to claim 1 with parallel fan, it is characterised in that: the driving mechanism (8)
Including motor (81), driving wheel (82), left driven wheel (83) and right driven wheel (84), the driving wheel (82) is mounted on the electricity
On the output shaft of machine (81), the bottom of the outlet housing partition (7) is mounted on the driving wheel (82), the left driven wheel
(83) it is respectively arranged on the left and right sides of driving wheel (82) with right driven wheel (84) and is meshed with driving wheel (82), the left water conservancy diversion
It is mounted at the top of plate (5) on the left driven wheel (83), is mounted on the right driven wheel at the top of the right deflector (6)
(84) on.
6. the range hood according to claim 5 with parallel fan, it is characterised in that: the tooth of the driving wheel (82)
Portion is only set to the top of driving wheel (82), and the left driven wheel (83) is engaged on the lower left side of the driving wheel (82), the right side
Driven wheel (84) is engaged on the lower right side of the driving wheel (82).
7. the range hood according to claim 5 with parallel fan, it is characterised in that: in the left deflector (5)
On be equipped with make left deflector have reset trend the first dynamic clamping head and quiet clamping head, being equipped on the right deflector (6) makes the right side
Deflector has the second dynamic clamping head and quiet clamping head of reset trend.
8. the range hood according to claim 7 with parallel fan, it is characterised in that: first dynamic clamping head and quiet clamping head
For the left reduction torsion spring (101) being mounted at the top of the left deflector (5), second dynamic clamping head and quiet clamping head is to be mounted on the right side
Right reduction torsion spring (102) at the top of deflector (6).
9. the range hood according to claim 5 with parallel fan, it is characterised in that: the motor (81) is mounted on
The lower section of outlet housing (4) front side portion.
10. according to claim 1 to the range hood described in any claim in 9 with parallel fan, it is characterised in that:
The left blower (2) and right blower (3) is centrifugal blower, and the air inlet of the air inlet of left blower (2) and right blower (3)
Towards identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810218019.1A CN110274279B (en) | 2018-03-16 | 2018-03-16 | Range hood with parallel fans |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810218019.1A CN110274279B (en) | 2018-03-16 | 2018-03-16 | Range hood with parallel fans |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110274279A true CN110274279A (en) | 2019-09-24 |
| CN110274279B CN110274279B (en) | 2024-01-23 |
Family
ID=67958576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810218019.1A Active CN110274279B (en) | 2018-03-16 | 2018-03-16 | Range hood with parallel fans |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110274279B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200234091Y1 (en) * | 2001-03-28 | 2001-10-10 | 이충훈 | range hood |
| JP2006125827A (en) * | 2004-09-29 | 2006-05-18 | Matsushita Electric Ind Co Ltd | Range hood |
| CN202303562U (en) * | 2011-10-12 | 2012-07-04 | 美的集团有限公司 | Range hood with double-turbine fan |
| CN102748787A (en) * | 2012-06-15 | 2012-10-24 | 海尔集团公司 | Low noise range hood equipped with diversion noise reducing acoustical panel |
| CN203024216U (en) * | 2012-09-25 | 2013-06-26 | 芜湖美的厨卫电器制造有限公司 | Range hood |
| CN105090121A (en) * | 2015-09-08 | 2015-11-25 | 广东美的厨房电器制造有限公司 | Volute for extractor hood |
| 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 |
| CN105570158A (en) * | 2016-02-18 | 2016-05-11 | 广东美的厨房电器制造有限公司 | Range hood and fan assembly thereof |
| CN105673567A (en) * | 2016-02-18 | 2016-06-15 | 广东美的厨房电器制造有限公司 | Exhaust hood and draught fan assembly thereof |
| CN205878293U (en) * | 2016-08-09 | 2017-01-11 | 广东美的厨房电器制造有限公司 | Range hood |
| WO2017133371A1 (en) * | 2016-02-01 | 2017-08-10 | 宁波方太厨具有限公司 | Ceiling-mounted exhaust hood |
-
2018
- 2018-03-16 CN CN201810218019.1A patent/CN110274279B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200234091Y1 (en) * | 2001-03-28 | 2001-10-10 | 이충훈 | range hood |
| JP2006125827A (en) * | 2004-09-29 | 2006-05-18 | Matsushita Electric Ind Co Ltd | Range hood |
| CN202303562U (en) * | 2011-10-12 | 2012-07-04 | 美的集团有限公司 | Range hood with double-turbine fan |
| CN102748787A (en) * | 2012-06-15 | 2012-10-24 | 海尔集团公司 | Low noise range hood equipped with diversion noise reducing acoustical panel |
| CN203024216U (en) * | 2012-09-25 | 2013-06-26 | 芜湖美的厨卫电器制造有限公司 | Range hood |
| CN105090121A (en) * | 2015-09-08 | 2015-11-25 | 广东美的厨房电器制造有限公司 | Volute for extractor hood |
| 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 |
| WO2017133371A1 (en) * | 2016-02-01 | 2017-08-10 | 宁波方太厨具有限公司 | Ceiling-mounted exhaust hood |
| CN105570158A (en) * | 2016-02-18 | 2016-05-11 | 广东美的厨房电器制造有限公司 | Range hood and fan assembly thereof |
| CN105673567A (en) * | 2016-02-18 | 2016-06-15 | 广东美的厨房电器制造有限公司 | Exhaust hood and draught fan assembly thereof |
| CN205878293U (en) * | 2016-08-09 | 2017-01-11 | 广东美的厨房电器制造有限公司 | Range hood |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110274279B (en) | 2024-01-23 |
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