CN109764375A - A kind of range hood - Google Patents
A kind of range hood Download PDFInfo
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- CN109764375A CN109764375A CN201711107116.5A CN201711107116A CN109764375A CN 109764375 A CN109764375 A CN 109764375A CN 201711107116 A CN201711107116 A CN 201711107116A CN 109764375 A CN109764375 A CN 109764375A
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- smoke
- air inlet
- turnover panel
- guide rail
- impeller
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- 230000007306 turnover Effects 0.000 claims abstract description 103
- 239000000779 smoke Substances 0.000 claims abstract description 70
- 239000003517 fume Substances 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims description 63
- 238000009792 diffusion process Methods 0.000 claims description 26
- 235000019504 cigarettes Nutrition 0.000 claims description 5
- 230000002035 prolonged effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 238000010521 absorption reaction Methods 0.000 abstract description 6
- 239000012141 concentrate Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 238000005452 bending Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 230000003670 easy-to-clean Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 241000237858 Gastropoda Species 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Ventilation (AREA)
Abstract
The invention discloses a kind of range hoods, including exhaust fume collecting hood and the cabinet being arranged in above exhaust fume collecting hood, the smoke collecting chamber being recessed upwards is formed in exhaust fume collecting hood, the bottom of smoke collecting chamber is provided with smoke-collecting plate, blower fan system is provided in cabinet, blower fan system includes the first ternary blower and the second ternary blower being arranged in parallel, it is offered on smoke-collecting plate on a left side, spaced apart first air inlet hole and the second air inlet hole in right direction, being provided with above smoke-collecting plate can be mobile relative to smoke-collecting plate, overturning is to open or close the first turnover panel of the first air inlet hole, and it can be mobile relative to smoke-collecting plate, overturning is to open or close the second turnover panel of the second air inlet hole.By being arranged relative to the turnover panel that smoke-collecting plate is mobile and overturns, to open or close air inlet hole, two air inlet holes can be made all for respective burner on kitchen range, negative pressuren zone to be made full use of to concentrate guiding, promotion smoke absorption effect respectively；And two air inlet holes can be adjusted according to hearth service condition, accomplish precisely straight inhale.
Description
Technical field
The present invention relates to machine for kitchen use, especially a kind of range hood.
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, and it is in an increasingly wide range of applications.
At present existing top-sucking kitchen ventilator (be mounted on right above kitchen range, thin type, deep type or tower range hood,
Do not include side inhale and lower-discharging type) most structure type are as follows: top is arranged exhaust fume collecting hood and forms concave cavity (smoke collecting chamber), on exhaust fume collecting hood
It is provided with air inlet and filter screen.The oil smoke generated during the cooking process is collected in smoke collecting chamber, and by connecting with smoke collecting chamber
Logical air duct is discharged outdoor.A kind of kitchen hood as disclosed in the Chinese patent application No. is 200520086100.7, including
The exhaust fume collecting hood and design that lower part is arranged in are provided in the middle part of exhaust fume collecting hood and are connected with air duct bottom end in the air duct on exhaust fume collecting hood top
Air inlet ring, be provided with fan in air duct, air inlet ring lower part is provided with oil cleaner screen, and the lower part of oil cleaner screen is provided with lubricating cup.It is this
The negative pressuren zone of range hood is concentrated mainly near air inlet, that is to say, that high negative pressure area is concentrated mainly on centre, this air draught
It is unfavorable that mode uses the user using eyes stove or multi-hole kitchen range, and oil smoke is easy at left and right sides of smoke machine and front side is excessive.
In order to improve smoke absorption effect, some range hoods with smoke deflector also have been disclosed at present, oil smoke is by leading
Wall attachment effect is generated when cigarette plate, enables to oil smoke two sides and front side guidance to the left and right.Such as application No. is 201410315985.7
Chinese patent application disclosed in a kind of top-sucking kitchen ventilator, including exhaust fume collecting hood and the air inlet of exhaust fume collecting hood bottom surface is set
Mouthful, oil collection plate is fixed on the underface of air inlet, and the channel of four sides air inlet is constituted with air inlet bottom surface, and pod is located at oil-collecting
The lower surface of plate；For another example 201410419676.4 include exhaust fume collecting hood, smoke deflector and body, offers air inlet on the exhaust fume collecting hood
Mouthful, the air inlet setting of the deflector face exhaust fume collecting hood, and deflector and exhaust fume collecting hood keep scheduled spacing and form oil smoke
Channel is provided with blower fan system in body.
These above-mentioned prior arts, blower fan system use be usually multi-wing centrifugal fan, and for single hole into
Wind, air intake passage cannot be adjusted according to hearth service condition；And multi-wing centrifugal fan static pressure is low, and negative pressuren zone is small, lacks
Negative pressure concentrates guiding, and fume exhaust effect is undesirable, if cannot be concentrated use in negative pressuren zone, is difficult to solve to run cigarette and ask
Topic；Range hood when not in use, cannot be automatically closed, not can effectively prevent the taint of odour of oil smoke.
Summary of the invention
The technical problem to be solved by the present invention is in view of the above-mentioned problems of the prior art, providing a kind of raising oil suction
The range hood of cigarette efficiency.
The technical scheme of the invention to solve the technical problem is: a kind of range hood, including exhaust fume collecting hood and set
The cabinet above exhaust fume collecting hood is set, the smoke collecting chamber being recessed upwards, the bottom setting of the smoke collecting chamber are formed in the exhaust fume collecting hood
There is smoke-collecting plate, be provided with blower fan system in the cabinet, it is characterised in that: the blower fan system includes the one or three be arranged in parallel
First blower and the second ternary blower offer spaced apart first air inlet hole and on left and right direction on the smoke-collecting plate
Two air inlet holes, the smoke-collecting plate top is provided with can be relative to smoke-collecting plate movement, overturning to open or close the first air inlet hole
First turnover panel, and the second turnover panel of the second air inlet hole can be opened or closed relative to smoke-collecting plate movement, overturning.
Preferably, it is moved automatically for two turnover panels of driving, and independent control, is additionally provided with and is used for above the smoke-collecting plate
The first driving mechanism for driving the first turnover panel to move, the first guiding mechanism for guide the first turnover panel to move, for driving the
The second driving mechanism that two turnover panels move and the second guiding mechanism for guiding the second turnover panel to move.
It preferably, is that the first turnover panel of driving is mobile and overturning, first driving mechanism has the first output end, and described the
First connecting rod, one end of the first connecting rod and the first of the first driving mechanism are connected between one driving mechanism and the first turnover panel
Output end rotation connection, the other end are then connected to the first turnover panel, and the first driving mechanism driving first connecting rod is in left and right direction
Upper movement.
For the movement routine for limiting the first turnover panel, first guiding mechanism includes the first guide rail and the second guide rail, described
There are two first guide rail tools, is arranged in the front and rear sides of smoke-collecting plate；There are two the second guide rail tools, is arranged in
Second guide rail of the front and rear sides of smoke-collecting plate, each first guide rail and corresponding side arranged for interval on left and right direction, it is described
First turnover panel is slidably matched with the first guide rail, the second guide rail respectively.
It preferably, is the movement that movement and overturning, in the power by first connecting rod, can be generated convenient for the first turnover panel, two
The opposite side of first guide rail offers the first sliding groove upwardly extended in left and right side respectively, and forward and backward the two of first turnover panel
Side is respectively arranged with the first sliding block being slidably matched with first sliding groove close to the position of left end, and each first sliding groove is on a left side
Side end closing；The opposite side of two the second guide rails offers the second sliding slot upwardly extended in left and right side, Mei Ge respectively
The thickness of two sliding slots is adapted to, so that the first turnover panel is inserted into second sliding slot with the thickness of the first turnover panel.
It preferably, is that the second turnover panel of driving is mobile and overturning, second driving mechanism has a second output terminal, and described the
Second connecting rod, one end of the second connecting rod and the second of the second driving mechanism are connected between two driving mechanisms and the second turnover panel
Output end rotation connection, the other end are then connected to the second turnover panel, and the second driving mechanism driving second connecting rod is in left and right direction
Upper movement.
For the movement routine for limiting the second turnover panel, second guiding mechanism includes third guide rail and the 4th guide rail, described
There are two third guide rail tools, is arranged in the front and rear sides of smoke-collecting plate；There are two the 4th guide rail tools, is arranged in
The third guide rail of the front and rear sides of smoke-collecting plate, each the 4th guide rail and corresponding side arranged for interval on left and right direction, it is described
Second turnover panel is slidably matched with third guide rail, the 4th guide rail.
It preferably, is the movement that movement and overturning, in the power by second connecting rod, can be generated convenient for the second turnover panel, two
The opposite side of third guide rail offers the third sliding slot upwardly extended in left and right side respectively, and forward and backward the two of second turnover panel
Side, the position close to right-hand end are respectively arranged with the second sliding block being slidably matched with third sliding slot, and each third sliding slot is on the right side
Side end closing；Two opposite sides of the 4th guide rail offer the 4th sliding slot upwardly extended in left and right side, Mei Ge respectively
The thickness of four sliding slots is adapted to, so that the second turnover panel is inserted into the 4th sliding slot with the thickness of the second turnover panel.
On the basis of not changing Cabinet Size, to increase air quantity, the first ternary blower includes the first 3 d impeller
With the first air inlet, the second ternary blower includes the second 3 d impeller and the second air inlet, on oil smoke flow path, institute
It states the second air inlet to be equal with the first air inlet position, first air inlet and the second air inlet are set side by side and distinguish
Towards the arranged on left and right sides of cabinet.
Preferably, to reduce windage under the premise of not increasing Cabinet Size, smoke absorption effect, first ternary are improved
First 3 d impeller of blower, the second ternary blower the second 3 d impeller respectively from the horizontal by 60 °~90 °, and
And two 3 d impellers tilt in the opposite direction.
According to an aspect of the present invention, the first ternary blower further includes the first spiral case, first 3 d impeller
It is arranged in the first spiral case, the second ternary blower further includes the second spiral case, and second 3 d impeller is arranged in the second snail
In shell, first spiral case and the second spiral case interval are arranged side by side, and first air inlet is formed on the first spiral case, institute
It states the second air inlet to be formed on the second spiral case, the first oil smoke channel is formed in first spiral case, first oil smoke is logical
The top in road forms the first air outlet, is formed with the second oil smoke channel, the top in second oil smoke channel in second spiral case
End forms the second air outlet.
According to another aspect of the present invention, the first 3 d impeller and the second 3 d impeller be spaced in the same spiral case,
It is arranged side by side, the first air inlet corresponding with the first 3 d impeller, the second air inlet corresponding with the second 3 d impeller
The opposite two sides of spiral case are respectively formed at, are provided with mounting plate between first 3 d impeller and the second 3 d impeller, it is described
Mounting plate extends to the top of spiral case, so that two independent first oil smoke channels will be separated into and the second oil smoke leads in spiral case
Road, the top in first oil smoke channel form the first air outlet, and the top in second oil smoke channel forms the second air outlet.
For convenient for simultaneously drive two impellers, further include the drive being arranged between the first 3 d impeller and the second 3 d impeller
Dynamic motor, the driving motor have the double output shaft for being respectively used to driving the first 3 d impeller and the second 3 d impeller.
Gas accordingly to export to two ternary blowers plays guide functions, is conducive to exit gas and forms laminar flow, from
And flow losses are greatly lowered, it improves efficiency, outlet housing, the outlet housing packet is provided at the air outlet of the blower fan system
The cover in hollow tube-shape is included, the cover has the first end and second end of opposite opening, and the bore of the first end is big
In being provided with the first deflector and the second deflector in the bore of second end, the cover, each deflector from cover first
It holds to second end and extends, form the first diffusion runner, second water conservancy diversion between first deflector and the inner sidewall of cover
The second diffusion runner, the section integral of the first diffusion runner and the second diffusion runner are formed between plate and the inner sidewall of cover
Be not gradually reduced by the first end of cover to second end, the first diffusion runner at the first end of cover with the first ternary wind
First air outlet of machine is corresponding, the second diffusion runner at the first end of cover with the second air outlet of the second ternary blower
It is corresponding.
Compared with the prior art, the advantages of the present invention are as follows: by the way that the turnover panel relative to smoke-collecting plate movement and overturning is arranged, from
And air inlet hole is opened or closed, it can make two air inlet holes respectively all for respective burner on kitchen range, make full use of negative pressure
Area concentrates guiding, promotes smoke absorption effect；And two air inlet holes can be adjusted according to hearth service condition, be accomplished precisely
It is straight to inhale；The strainer and blower fan system compared with greasy dirt can be hidden when closing, effectively prevent the taint of odour of oil smoke, while range hood being made to seem dry
It is net clean and tidy, it is easy to clean, it improves significantly to air in kitchen environment；And movement, the overturning mode of turnover panel, it reduces
Installation space；By using two ternary blowers, blower fan structure is compact, and size is relatively small, and fan efficiency and wind pressure are high, generates
Suction gradient it is big, can make smoke efficiency significantly promoted；The form of this parallel connection two fans vertical display, can make wind
The air-flow entered at left and right sides of the most strong negative pressuren zone face of machine system, and double air intake passages on smoke-collecting plate can make below into
The air-flow entered enters blower fan system from the strongest region of left and right sides negative pressure, reduces the escapement ratio of oil smoke.
Detailed description of the invention
Fig. 1 is the air inlet hole opening state schematic diagram of the range hood of the embodiment of the present invention；
Fig. 2 is the cross-sectional view of the range hood of Fig. 1；
Fig. 3 is the partial schematic diagram of the range hood of Fig. 1；
Fig. 4 is the decomposition texture schematic diagram of Fig. 3；
Fig. 5 is the single closed mode schematic diagram of air inlet hole of the range hood of the embodiment of the present invention；
Fig. 6 is the partial schematic diagram of the range hood of Fig. 5；
Fig. 7 is the air inlet hole whole closed mode schematic diagram of the range hood of the embodiment of the present invention；
Fig. 8 is the partial schematic diagram of the range hood of Fig. 7；
Fig. 9 is the blower fan system of range hood of the invention and the cross-sectional view of outlet housing one embodiment；
Figure 10 is the schematic diagram of the outlet housing of the range hood of Fig. 1；
Figure 11 is the schematic diagram of second embodiment of blower fan system and outlet housing of range hood of the invention；
Figure 12 is the blower fan system of the range hood of Figure 11 and the cross-sectional view of outlet housing.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
Referring to figs. 1 to 4, a kind of range hood, cabinet 2 and setting including exhaust fume collecting hood 1, above exhaust fume collecting hood 1
Blower fan system 4 in cabinet 2.Hereinafter, for ease of description, "front", "rear", "left", "right", "upper", "lower" refer to oil suction
With respect to the orientation of user when smoke machine uses, but the restriction to technical solution is not constituted.
Exhaust fume collecting hood 1 includes inner can 11 and outer casing 12, and inner can 11 includes multiple side plates 111 and is arranged in side plate 111
The top plate 112 at top, side plate 111 and top plate 112 collectively form the smoke collecting chamber 13 being recessed upwards, and the shape of smoke collecting chamber 13 is unlimited,
If top plate 12 can be in the inclination of horizontal or relative level, so that smoke collecting chamber 13 is T-shaped or tower-shaped etc..Each top plate 112 is mutually
It is constituted between close inner end and enters the air inlet 14 in cabinet 2 from smoke collecting chamber 13 for oil smoke, it is interior at the top of outer casing 12
End, inner can 11 the inner end of top plate 112 be connected to the bottom end of cabinet 2.
Air duct 25 is formed in cabinet 2, the entrance in air duct 25 is arranged in strainer 26.In the present embodiment, strainer 26 is adopted
With grid-like flat strainer, alternatively, strainer 26 or rotary sieve, the reversion strainer being recessed upwards etc..
1 bottom of exhaust fume collecting hood is provided with smoke-collecting plate 3, and each side plate 111 of the inner can 11 of exhaust fume collecting hood 1 is arranged in smoke-collecting plate 3
Between bottom, positioned at the bottom of smoke collecting chamber 13.Exhaust fume collecting hood 1 and smoke-collecting plate 3 can be integrally formed.
Blower fan system 4 in cabinet 2 uses ternary blower, the prior art can be used, as the applicant application No. is
Blower fan structure disclosed in 201620102790.9 patent, the air outlet of blower fan system 4 are provided with outlet housing 5, and being used for will
The oil smoke discharge that blower fan system 4 is discharged is to wind pipe.The specific structure of blower fan system 4 will be explained below.
The first air inlet hole 31 and the second air inlet hole 32 are offered on smoke-collecting plate 3, two air inlet holes are spaced on left and right direction
Arrangement, so that each air inlet hole is corresponding with one of kitchen range of kitchen range.The suction common relative to tradition of this double air intake passages
Kitchen ventilator, runner Relatively centralized, rationally, reduce path of the smoke machine noise source to external radiation, therefore noise is lower, usage experience
More preferably.Oil smoke can be entered in smoke collecting chamber 13 by each air inlet hole, and pass through the air inlet 14 among top plate 112 from smoke collecting chamber 13
It enters in cabinet 2, and the blower fan system 4 by being arranged in cabinet 2 is discharged into outside cabinet 2.
Spacing between two air inlet hole centers can select to design according to kitchen range center carpenters square little progress row.And each air inlet
The shape in hole can there are many selections, such as round, oval, rectangular or other any irregular abnormity.
It can be by that can be turned over by setting second at the first turnover panel 81 of setting, the second air inlet hole 31 at first air inlet hole 31
Plate 82, thus to open and close the first air inlet hole 31, the second air inlet hole 32.In the present embodiment, the first turnover panel 81 and second
Turnover panel 82 can with independent control, and can, overturning mobile relative to corresponding air inlet hole, thus come independently open and close accordingly into
Air holes.Position inside smoke collecting chamber 13, above smoke-collecting plate 3 is provided with first for driving the first turnover panel 81 to move and drives
Motivation structure 83, the first guiding mechanism 84 of guidance the first turnover panel 81 movement, the second driving for driving the second turnover panel 82 to move
Mechanism 85 and the second guiding mechanism 86 of guidance the second turnover panel 82 movement.Preferably, the first driving mechanism 83 and the second driving
The structure of mechanism 85 is identical.For convenient for fixation, above-mentioned each driving mechanism and transmission mechanism are arranged on the upper surface of smoke-collecting plate 3.
The rear side of the first air inlet hole 31 is arranged in first driving mechanism 83, and the second driving mechanism 85 is arranged in the second air inlet hole
32 front side.Or, or, the front side of the first air inlet hole 31, the second driving mechanism 85 is arranged in the first driving mechanism 83
The rear side of second air inlet hole 32 is set.Wherein, the first driving mechanism 83 and the second driving mechanism 85 are preferably pushed away using electronic
Bar, or the mechanism of high voltage breaker can also can be driven using other.First driving mechanism 83 and the second driving mechanism 85
It is respectively provided with the first output end 831 and second output terminal 851.First is connected between first driving mechanism 83 and the first turnover panel 81
Connecting rod 832 is connected with second connecting rod 852 between second driving mechanism 85 and the second turnover panel 82.Wherein, the one of first connecting rod 832
End is then connected to the front side of the first turnover panel 81 with the first output end 831 rotation connection of the first driving mechanism 83, the other end, preferably
, in the front side of the first turnover panel 81 close to the position of right end.Wherein, one end of second connecting rod 852 and the second driving mechanism 85
The rotation connection of first output end 851, the other end are then connected to the front side of the second turnover panel 82, it is preferred that before the second turnover panel 82
Position of the side close to left end.
First guiding mechanism 84 includes the first guide post 842, the first guide rail 843 and the second guide rail 844.It is set on first turnover panel 81
It is equipped with the first support base 845, first connecting rod 832 is whole L-shaped, is positioned against and first by what is connect with the first output end 831
The position bending that turnover panel 81 connects, the end of bending is connected and fixed with the first support base 845.The top of first guide post 842 and collection
The top plate 112 of petticoat pipe 1 is connected and fixed, and the first turnover panel 81 side opposite with the first support base 845 offers the first pilot hole
846, the bottom of the first guide post 842 is passed down through the first pilot hole 846, and the first pilot hole 846 is greater than the first guide post 842 and passes through portion
The size divided, so that opposite first guide post 842 of the first turnover panel 81 has certain activity space.
There are two first guide rail 843 tools, the front and rear sides being arranged on smoke-collecting plate 3, and is located at the first air inlet hole
31 left sides, two opposite sides of the first guide rail 843 offer the first sliding groove 8431 upwardly extended in left and right side respectively.The
The front and rear sides of one turnover panel 81, the position close to left end are respectively arranged with the first sliding block 847, on each first sliding block 847
It is provided with the first guiding axis 8471 extended far from the first turnover panel 81, first on the first guiding axis 8471 and the first guide rail 843
Sliding slot 8431 is slidably matched.First sliding groove 8431 is closed in left end, to limit the mobile extreme position of the first turnover panel 81.
There are two second guide rail 844 tools, the front and rear sides being arranged on smoke-collecting plate 3, and close to the first air inlet hole
Second guide rail 844 of 31 right-hand ends, each first guide rail 843 and corresponding side arranged for interval on left and right direction.Two
The opposite side of two guide rails 844 offers the second sliding slot 8441 upwardly extended in left and right side, the thickness of second sliding slot 8441 respectively
Degree is adapted to the thickness of the first turnover panel 81, so that the edge of the first turnover panel 81 can be plugged into second sliding slot 8441.
Second guiding mechanism 86 includes the second guide post 862, third guide rail 863 and the 4th guide rail 864.It is set on second turnover panel 82
It is equipped with the second support base 865, second connecting rod 852 is whole L-shaped, is positioned against and second by what is connect with second output terminal 851
The position bending that turnover panel 82 connects, the end of bending is connected and fixed with the second support base 865.The top of second guide post 862 and collection
The top plate 112 of petticoat pipe 1 is connected and fixed, and the second turnover panel 82 side opposite with the second support base 865 offers the second pilot hole
866, the bottom of the second guide post 862 is passed down through the second pilot hole 866, and the second pilot hole 866 is greater than the second guide post 862 and passes through portion
The size divided, so that opposite second guide post 862 of the second turnover panel 82 is between certain activity space.
There are two the tools of third guide rail 863, the front and rear sides being arranged on smoke-collecting plate 3, and is located at the second air inlet hole
32 right sides, the opposite side of two third guide rails 863 offers the third sliding slot 8631 upwardly extended in left and right side respectively.The
The front and rear sides of two turnover panels 82, the position close to right-hand end are respectively arranged with the second sliding block 867, on each second sliding block 867
It is provided with the second guiding axis 8671 extended far from the second turnover panel 82, the second guiding axis 8671 and the third on third guide rail 863
Sliding slot 8631 is slidably matched.Third sliding slot 8631 is closed in right-hand end, to limit the mobile extreme position of the second turnover panel 82.
There are two 4th guide rail 864 tools, the front and rear sides being arranged on smoke-collecting plate 3, and close to the second air inlet hole
The third guide rail 863 of 32 left ends, each the 4th guide rail 864 and corresponding side arranged for interval on left and right direction.Two
The opposite side of four guide rails 864 offers the 4th sliding slot 8641 upwardly extended in left and right side, the thickness of the 4th sliding slot 8641 respectively
Degree is adapted to the thickness of the second turnover panel 82, so that the edge of the second turnover panel 82 can be plugged into the 4th sliding slot 8641.
When range hood work, the first driving mechanism 83 and the starting operating of the second driving mechanism 85, the first driving mechanism
83 by be covered at the first air inlet hole 31 the first turnover panel 81 promotion move to the left, until the first turnover panel 81 left end with
The left end of first sliding groove 8431 abuts；Hereafter, the first driving mechanism 83 remains in operation, since the first turnover panel 81 can not be followed by
Continuous movement, therefore, first connecting rod 832 is flipped up around the junction of the first output end 831 with the first driving mechanism 83, is driven
First turnover panel 81 is flipped up, since the first turnover panel 81 has been moved to the left certain distance at this time, when the first turnover panel 81 is upward
It after overturning, can be staggered with the position part of the first air inlet hole 31, to increase the opening area of the first air inlet hole 31, the first guide post
842 define the path of the first turnover panel 81 overturning；Second driving mechanism 85 will be covered on the second turnover panel at the second air inlet hole 32
82 promotions are moved to the right, until the right-hand end of the second turnover panel 82 is abutted with the right-hand end of third sliding slot 8631；Hereafter,
Two driving mechanisms 85 remain in operation, since the second turnover panel 82 can not be further continued for moving, second connecting rod 852 drives around with second
The junction of the second output terminal 851 of motivation structure 85 is flipped up, and drives the second turnover panel 82 to be flipped up, since second turns at this time
Plate 82 has moved right certain distance therefore, can be with the position part of the second air inlet hole 32 after the second turnover panel 82 is flipped up
It is staggered, to increase the opening area of the second air inlet hole 32, the second guide post 862 defines the path of the second turnover panel 82 overturning, referring to
Fig. 1 and Fig. 3.Or can also be according to culinary art the case where, only drive one of turnover panel to act, referring to figs. 5 and 6.
When range hood is closed, the first driving mechanism 83 and the starting operating of the second driving mechanism 85, the first driving mechanism
83 driving first connecting rods 832 act to the right, and the first turnover panel 81 is driven to downwardly turn over, until substantially neat with the upper surface of smoke-collecting plate 3
It is flat；Hereafter, the first driving mechanism 83 remains in operation, since the first turnover panel 81 can not be further continued for overturning, first connecting rod 832
The first turnover panel 81 is pulled to move right, until the front end of the first turnover panel 81 is inserted into second sliding slot 8441 and the first turnover panel
81 are completely covered the first air inlet hole 31；Second driving mechanism 85 driving second connecting rod 852 act to the left, drive the second turnover panel 82 to
Lower overturning, until the upper surface with smoke-collecting plate 3 is substantially flush；Hereafter, the second driving mechanism 85 remains in operation, due to the second turnover panel
82 can not be further continued for overturning, and therefore, second connecting rod 852 pulls the second turnover panel 82 to be moved to the left, until the front end of the second turnover panel 82
It is inserted into the 4th sliding slot 8641 and the second air inlet hole 32 is completely covered in the second turnover panel 82；Two turnover panel closings are entire at this time
Smoke-collecting plate 3, is integrally formed, referring to figs. 7 and 8.Thus the strainer and blower fan system compared with greasy dirt can be hidden, oil smoke is effectively prevent
Taint of odour, while range hood being made to seem neat and tidy, it is easy to clean, it improves significantly to air in kitchen environment.
Referring to fig. 2, Fig. 9 and Figure 10, in the present embodiment, it is preferred that blower fan system 4 include two can independent operation the
One ternary blower 41 and the second ternary blower 42, two ternary fan parallel-connection settings.By using 3 d impeller, compared to centrifugation
Flow efficiency can be significantly increased in blower, improve air quantity.
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
411 and second spiral case 421 side by side, compartment of terrain arrangement, be formed with the first air inlet 413, the second spiral case 421 on the first spiral case 411
On be formed with the second air inlet 423, away from each other, i.e. the air inlet 313 of the first spiral case 411 is formed in the air inlet of two spiral cases
Side far from the second spiral case 421, two back-to-back settings of spiral case, so that two ternary blowers are arranged side by side in left and right, and
First air inlet 413 is towards the left side of cabinet 2, the second air inlet 423 towards the right side of cabinet 2.Oil smoke enters from exhaust fume collecting hood 1
When, it is entered in blower fan system 4 from arranged on left and right sides respectively.The first oil smoke channel 441, the first oil smoke are formed in first spiral case 411
The top in channel 441 forms the first air outlet 414, forms the second oil smoke channel 442, the second oil smoke channel in the second spiral case 421
442 tops form the second air outlet 424, the first air outlet 414 and the second air outlet 424 side by side, compartment of terrain arrangement.
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
201620102790.9 patent disclosed in structure.First 3 d impeller 412 and the second 3 d impeller 422 share same
Driving motor 43, driving motor 43 are arranged between the first spiral case 411 and the second spiral case 421, and driving motor 43 has dual output
Axis, the output shaft 431 thus extended to the left can connect with the first 3 d impeller 412 and the first 3 d impeller 412 driven to operate, to
The output shaft 431 of right extension can connect with the second 3 d impeller 422 and the second 3 d impeller 422 is driven to operate.Thus it may make
Two ternary blowers have preferable synchronism, while again can be energy saving.
First 3 d impeller 412 and the second 3 d impeller 422 can be respectively from the horizontal by 60 °~90 °, two impellers
(the first 3 d impeller 412 is tilted to the left, and the second 3 d impeller 422 is tilted to the right) is tilted in the opposite direction, it is possible thereby to
Reduce windage, improves smoke absorption effect.The center of first 3 d impeller 412 and 25 entrance of air duct of range hood keep certain
Distance, the distance are 1~2 times of diameter of the first 3 d impeller 412, the center of the second 3 d impeller 422 and range hood
25 entrance of air duct maintains a certain distance, which is 1~2 times of the diameter of the second 3 d impeller 422, impeller center and air duct
The distance of 25 entrances has to be larger than impeller diameter, and the strainer 26 of such 25 inlet of air duct can just play a role, but can not be big
In 2 times of diameters, otherwise apart from negative pressure region apart from too far.
Above-mentioned two ternary blower can use same structure, and this arrangement, blower fan system overall volume
It is smaller, the original size of cabinet 2 can not changed, air quantity can made double again in the case where keeping higher wind pressure, improved and inhale
Oil smoke efficiency.Two air inlets are respectively facing arranged on left and right sides, so that the negative pressure region area of two side peripheries increases, are suitable for two
A kitchen range achievees the effect that not run cigarette；Noise transmission path makes towards arranged on left and right sides rather than direction in the prior art
User thus reduces noise.
The top of blower fan system 4 is provided with outlet housing 5, and the cover 51 of outlet housing 5 covers the first of the first ternary blower 41
It first air outlet 414 of spiral case 411, the second air outlet 424 of the second spiral case 421 of the second ternary blower 42 and is connected to.
In the present embodiment, outlet housing 5 includes cover 51, the deflector being arranged in cover 51.Cover 51 is in hollow tubular, and
Opposite first end 511 (lower end) and second end 512 (upper end) opening, the bore of first end 511 are greater than the mouth of second end 512
Diameter is open and is gradually reduced from the position close to blower fan system 4 to far from the position of blower fan system 4, oil smoke air-flow is from first end
511 enter in cover 51, and leave cover 51 from second end 512 and enter the external pipe connecting with outlet housing 5.
Deflector includes the first deflector 521 and the second deflector 522, first end of first deflector 521 from cover 51
511 extend to second end 512, and the first deflector 521 is at the first end 511 of cover 51, with the first ternary blower 41
First edge of the second air outlet 424 close to the second ternary blower 42 at the first air outlet 414 be 415 (the first air outlet
Right edge) corresponding, second air outlet of second deflector 522 at the first end 511 of cover 51, with the second ternary blower 42
Second edge 425 (left side edge of the second air outlet) of the first air outlet 414 close to the first ternary blower 41 at 424 is right
It answers.Each deflector has the width extended in front and rear direction.First deflector 521 by first end 511 to second end 512,
Be increasingly towards the second deflector 522 (to the right) inclination, the second deflector 522 by first end 511 to second end 512, be increasingly towards
First deflector 521 tilts (to the left), i.e., each deflector deviates intermediate position into 51 top of cover from 51 bottom of cover
Between position extend.First deflector 521 is mutually connected with the top (close to the second end 512 of cover 51) of the second deflector 522
It connects, it is preferred that the junction of two deflectors is in rounding off, to guide air-flow smooth transition.
The front and rear sides side 5211,5212 of first deflector 521 is connect with the inner sidewall of cover 51 always, the second water conservancy diversion
The front and rear sides side 5221,5222 of plate 522 is connect with the inner sidewall of cover 51 always.Thus cover 51 is divided into cover 51
The first diffusion runner 531,51 inner sidewall of cover between inner sidewall and the first deflector 521 and between the second deflector 522
Second diffusion runner 532, the first diffusion runner 531 and the second diffusion runner 532 are independent mutually.First diffusion runner 531 is in cover
It is corresponding with the first air outlet 414 of the first ternary blower 41 at the first end 511 of body 51, that is, the first air outlet 414 is completely covered,
Second diffusion runner 532 is corresponding with the second air outlet 424 of the second ternary blower 42 at the first end 511 of cover 51, i.e., complete
The second air outlet of all standing 424.The sectional area of first diffusion runner 531 is gradually reduced by first end 511 to second end 512, the
The sectional area first end 511 of two diffusion runners 532 to second end 512 is gradually reduced, as a result, at the top of the first diffusion runner 531
Muzzle velocity is greater than the muzzle velocity of 531 bottom of the first diffusion runner, and the muzzle velocity at the top of the second diffusion runner 532 is greater than the
The muzzle velocity of two diffusion runners, 532 bottom.
By the way that above-mentioned deflector is arranged, so that be connected to the first air outlet 414 of the first ternary blower 41 first expands
The air velocity of runner 531, the second diffusion runner 42 being connected to the second air outlet 424 of the second ternary blower 42 is pressed to connect each other
Closely.This guide functions of outlet housing 5 are conducive to exit gas and form laminar flow, enter external pipe after forming laminar flow, avoid
Air-flow is directly entered with turbulent condition the defect of external pipe after coming out from spiral case, also avoid the air outlet of two ternary blowers
Strong friction and shock when air-flow mixes improves efficiency so that flow losses be greatly lowered.
It is densely covered with sound-absorbing hole 54 on first deflector 521 and/or the second deflector 522, advantageously reduces outlet noise.For
Further decrease noise, can also space between the first deflector 521 and the second deflector 522 partition 55 is set so that
Space between first deflector 521 and the second deflector 522 is divided at least two resonant cavities 551.Alternatively, can also be
Acoustical cotton is arranged in space between first deflector 521 and the second deflector 522.Alternatively, partition can also be replaced with reinforcing rib
55, to enhance the intensity of deflector.
The form of above-mentioned this two fans vertical display in parallel, can make the most strong negative pressuren zone face of blower fan system 4 left
The air-flow that right two sides enter, and double air intake passages on smoke-collecting plate 3 can make the air-flow of lower section entrance from left and right sides negative pressure
Strongest region enters blower fan system 4, reduces the escapement ratio of oil smoke.
Embodiment two
Referring to Figure 11 and Figure 12, in the present embodiment, with above-described embodiment one the difference is that, the first ternary blower
41 and second ternary blower 42 share the same spiral case 44, i.e. the first 3 d impeller 412 and the two or three of the first ternary blower 41
Second 3 d impeller 422 of first blower 42 is co-located in the same spiral case 44.
It is provided with mounting plate 45 between two 3 d impellers, to separating two 3 d impellers the two of mounting plate 45
Side, mounting plate 45 extend to the top of spiral case 44, so that two 441 Hes of independent first oil smoke channel will be separated into spiral case 44
Second oil smoke channel 442.Driving motor 43 is passed through from mounting plate 45 and is connected and fixed with mounting plate 45.
In the present embodiment, outlet housing 5 is only including cover 51 and the deflector 56 being arranged in cover 51, deflector 56
Extend on the flow direction of oil smoke, in the present embodiment, to extend in the longitudinal direction, position and 45 phase of mounting plate of deflector 56
It is corresponding, so that cover 51 is divided into independent first diffusion runner 531 corresponding with the oil smoke channel in spiral case 44 and the
Two diffusion runners 532.
Alternatively, outlet housing 5 can also use the structure of embodiment one.
Claims (14)
1. a kind of range hood, including exhaust fume collecting hood (1) and the cabinet (2) being arranged above exhaust fume collecting hood (1), the exhaust fume collecting hood (1)
It is inside formed with the smoke collecting chamber (13) being recessed upwards, the bottom of the smoke collecting chamber (13) is provided with smoke-collecting plate (3), the cabinet (2)
Inside it is provided with blower fan system (4), it is characterised in that: the blower fan system (4) includes the first ternary blower (41) being arranged in parallel
With the second ternary blower (42), spaced apart first air inlet hole (31) on left and right direction is offered on the smoke-collecting plate (3)
With the second air inlet hole (32), smoke-collecting plate (3) top is provided with can be relative to smoke-collecting plate (3) movement, overturning to play on or off
The first turnover panel (81) of the first air inlet hole (31) is closed, and can be relative to smoke-collecting plate (3) movement, overturning to open or close second
The second turnover panel (82) of air inlet hole (32).
2. range hood according to claim 1, it is characterised in that: be additionally provided with above the smoke-collecting plate (3) for driving
First driving mechanism (83) of dynamic first turnover panel (81) movement, the first guiding mechanism for guiding the first turnover panel (81) to move
(84), for driving second driving mechanism (85) of the second turnover panel (82) movement and for guiding the second turnover panel (81) movement
The second guiding mechanism (86).
3. range hood according to claim 2, it is characterised in that: first driving mechanism (83) has the first output
It holds (831), is connected with first connecting rod (832) between first driving mechanism (83) and the first turnover panel (81), described first connects
One end of bar (832) is then connected to first and turns over the first output end (831) rotation connection of the first driving mechanism (83), the other end
Plate (81), the first driving mechanism (83) driving first connecting rod (832) are moved on left and right direction.
4. range hood according to claim 3, it is characterised in that: first guiding mechanism (84) includes the first guide rail
(843) and the second guide rail (844), first guide rail (843) are arranged in forward and backward the two of smoke-collecting plate (3) there are two having
Side；There are two second guide rail (844) tools, is arranged in the front and rear sides of smoke-collecting plate (3), each first guide rail
(843) with the second guide rail (844) of corresponding side arranged for interval on left and right direction, first turnover panel (81) is respectively with first
Guide rail (843), the second guide rail (844) are slidably matched.
5. range hood according to claim 4, it is characterised in that: the opposite side difference of two the first guide rails (843)
Offer the first sliding groove (8431) upwardly extended in left and right side, the front and rear sides of first turnover panel (81), close left side
The position of end is respectively arranged with the first sliding block (847) being slidably matched with first sliding groove (8431), each first sliding groove
(8431) it is closed in left end；Two opposite sides of the second guide rail (844) offer respectively to be upwardly extended in left and right side
The thickness of second sliding slot (8441), each second sliding slot (8441) is adapted to, so as to the first turnover panel with the thickness of the first turnover panel (81)
(81) it is inserted into second sliding slot (8441).
6. range hood according to claim 2, it is characterised in that: second driving mechanism (85) has the second output
It holds (851), is connected with second connecting rod (852) between second driving mechanism (85) and the second turnover panel (82), described second connects
One end of bar (852) is then connected to second and turns over second output terminal (851) rotation connection of the second driving mechanism (85), the other end
Plate (82), the second driving mechanism (85) driving second connecting rod (852) are moved on left and right direction.
7. range hood according to claim 6, it is characterised in that: second guiding mechanism (86) includes third guide rail
(863) and the 4th guide rail (864), the third guide rail (863) are arranged in forward and backward the two of smoke-collecting plate (3) there are two having
Side；There are two 4th guide rail (864) tools, is arranged in the front and rear sides of smoke-collecting plate (3), each the 4th guide rail
(864) with the third guide rail (863) of corresponding side arranged for interval on left and right direction, second turnover panel (82) and third guide rail
(863), the 4th guide rail (864) is slidably matched.
8. range hood according to claim 7, it is characterised in that: the opposite side difference of two third guide rails (863)
Offer the third sliding slot (8631) upwardly extended in left and right side, the front and rear sides of second turnover panel (82), close to right side
The position of end is respectively arranged with the second sliding block (867) being slidably matched with third sliding slot (8631), each third sliding slot
(8631) it is closed in right-hand end；Two opposite sides of the 4th guide rail (864) offer respectively to be upwardly extended in left and right side
The thickness of 4th sliding slot (8641), each 4th sliding slot (8641) is adapted to, so as to the second turnover panel with the thickness of the second turnover panel (82)
(82) it is inserted into the 4th sliding slot (8641).
9. range hood according to claim 1, it is characterised in that: the first ternary blower (41) includes the first ternary
Impeller (412) and the first air inlet (413), the second ternary blower (42) include the second 3 d impeller (422) and second into
Air port (423), on oil smoke flow path, second air inlet (413) is equal with the first air inlet (413) position, described
First air inlet (413) and the second air inlet (413) are set side by side and are respectively facing the arranged on left and right sides of cabinet (2).
10. range hood according to claim 9, it is characterised in that: the first ternary of the first ternary blower (41)
Impeller (412), the second ternary blower (42) the second 3 d impeller (422) respectively from the horizontal by 60 °~90 °, and
And two 3 d impellers tilt in the opposite direction.
11. range hood according to claim 9, it is characterised in that: the first ternary blower (41) further includes first
Spiral case (411), in the first spiral case (411), the second ternary blower (42) is also wrapped for the first 3 d impeller (412) setting
It includes the second spiral case (421), the second 3 d impeller (422) setting is in the second spiral case (421), first spiral case (411)
It is spaced, is arranged side by side with the second spiral case (421), first air inlet (413) is formed on the first spiral case (411), described
Second air inlet (423) is formed on the second spiral case (421), is formed with the first oil smoke channel in first spiral case (411)
(441), the top of first oil smoke channel (441) forms the first air outlet (414), is formed in second spiral case (421)
There is the second oil smoke channel (442), the top in second oil smoke channel (442) forms the second air outlet (424).
12. range hood according to claim 9, it is characterised in that: the first 3 d impeller (412) and the second 3 d impeller
(422) it is spaced, is arranged side by side, the first air inlet corresponding with the first 3 d impeller (412) in the same spiral case (44)
(413), the second air inlet (423) corresponding with the second 3 d impeller (422) is respectively formed at the opposite two sides of spiral case (44),
It is provided with mounting plate (45) between first 3 d impeller (412) and the second 3 d impeller (422), the mounting plate (45) is prolonged
The top of spiral case (44) is reached, so that two independent first oil smoke channels (441) and the second oil will be separated into spiral case (44)
The top of cigarette channel (442), first oil smoke channel (441) forms the first air outlet (414), second oil smoke channel
(442) top forms the second air outlet (424).
13. range hood according to claim 11 or 12, it is characterised in that: further include being arranged in the first 3 d impeller
(412) driving motor (43) between the second 3 d impeller (422), the driving motor (43), which has, is respectively used to driving the
The double output shaft of one 3 d impeller (412) and the second 3 d impeller (422).
14. range hood according to claim 11 or 12, it is characterised in that: at the air outlet of the blower fan system (4)
Be provided with outlet housing (5), the outlet housing (5) includes the cover (51) in hollow tube-shape, the cover (51) have it is opposite,
The first end (511) and second end (512) of opening, the bore of the first end (511) are greater than the bore of second end (512), institute
State and be provided with the first deflector (521) and the second deflector (522) in cover (51), each deflector from cover (51) first
It holds (511) to extend to second end (512), forms first between first deflector (521) and the inner sidewall of cover (51) and expand
It presses runner (531), forms the second diffusion runner (532), institute between second deflector (522) and the inner sidewall of cover (51)
The sectional area of the first diffusion runner (531) and the second diffusion runner (532) is stated respectively by the first end (511) of cover (51) to
Two ends (512) are gradually reduced, the first diffusion runner (531) at the first end (511) of cover (51) with the first ternary wind
The first air outlet (414) of machine (41) is corresponding, the second diffusion runner (532) at the first end (511) of cover (51) with
The second air outlet (424) of second ternary blower (42) is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711107116.5A CN109764375B (en) | 2017-11-10 | 2017-11-10 | Fume exhauster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711107116.5A CN109764375B (en) | 2017-11-10 | 2017-11-10 | Fume exhauster |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109764375A true CN109764375A (en) | 2019-05-17 |
| CN109764375B CN109764375B (en) | 2024-01-16 |
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ID=66449510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711107116.5A Active CN109764375B (en) | 2017-11-10 | 2017-11-10 | Fume exhauster |
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| Country | Link |
|---|---|
| CN (1) | CN109764375B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081493A (en) * | 2019-06-11 | 2019-08-02 | 曹美乐 | A kind of environment-protecting oil soot processor |
| CN111197780A (en) * | 2020-01-13 | 2020-05-26 | 宁波方太厨具有限公司 | Range hood and control method thereof |
| CN114763913A (en) * | 2021-01-11 | 2022-07-19 | 宁波方太厨具有限公司 | Range hood and control method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010105391A1 (en) * | 2009-03-18 | 2010-09-23 | 宁波方太厨具有限公司 | A fume ventilator with a guide plate |
| CN205261692U (en) * | 2015-12-28 | 2016-05-25 | 浙江苏泊尔家电制造有限公司 | Range hood |
| CN106885273A (en) * | 2015-12-16 | 2017-06-23 | 华帝股份有限公司 | Range hood with automatic plate turning and smoke gathering functions |
| CN206320817U (en) * | 2016-11-25 | 2017-07-11 | 宁波方太厨具有限公司 | A kind of side-suction type range hood |
| CN107191983A (en) * | 2017-01-12 | 2017-09-22 | 宁波方太厨具有限公司 | A kind of range hood |
| CN207407408U (en) * | 2017-11-10 | 2018-05-25 | 宁波方太厨具有限公司 | A kind of range hood |
-
2017
- 2017-11-10 CN CN201711107116.5A patent/CN109764375B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010105391A1 (en) * | 2009-03-18 | 2010-09-23 | 宁波方太厨具有限公司 | A fume ventilator with a guide plate |
| CN106885273A (en) * | 2015-12-16 | 2017-06-23 | 华帝股份有限公司 | Range hood with automatic plate turning and smoke gathering functions |
| CN205261692U (en) * | 2015-12-28 | 2016-05-25 | 浙江苏泊尔家电制造有限公司 | Range hood |
| CN206320817U (en) * | 2016-11-25 | 2017-07-11 | 宁波方太厨具有限公司 | A kind of side-suction type range hood |
| CN107191983A (en) * | 2017-01-12 | 2017-09-22 | 宁波方太厨具有限公司 | A kind of range hood |
| CN207407408U (en) * | 2017-11-10 | 2018-05-25 | 宁波方太厨具有限公司 | A kind of range hood |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081493A (en) * | 2019-06-11 | 2019-08-02 | 曹美乐 | A kind of environment-protecting oil soot processor |
| CN111197780A (en) * | 2020-01-13 | 2020-05-26 | 宁波方太厨具有限公司 | Range hood and control method thereof |
| CN111197780B (en) * | 2020-01-13 | 2021-11-26 | 宁波方太厨具有限公司 | Range hood and control method thereof |
| CN114763913A (en) * | 2021-01-11 | 2022-07-19 | 宁波方太厨具有限公司 | Range hood and control method thereof |
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| Publication number | Publication date |
|---|---|
| CN109764375B (en) | 2024-01-16 |
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