CN109780599A - A kind of range hood - Google Patents
A kind of range hood Download PDFInfo
- Publication number
- CN109780599A CN109780599A CN201711107832.3A CN201711107832A CN109780599A CN 109780599 A CN109780599 A CN 109780599A CN 201711107832 A CN201711107832 A CN 201711107832A CN 109780599 A CN109780599 A CN 109780599A
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- Prior art keywords
- air inlet
- smoke
- turnover panel
- inlet hole
- impeller
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- 239000000779 smoke Substances 0.000 claims abstract description 77
- 230000007306 turnover Effects 0.000 claims abstract description 72
- 239000003517 fume Substances 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims description 65
- 230000005540 biological transmission Effects 0.000 claims description 26
- 238000009792 diffusion process Methods 0.000 claims description 26
- 238000005452 bending Methods 0.000 claims description 22
- 230000000694 effects Effects 0.000 abstract description 10
- 238000010521 absorption reaction Methods 0.000 abstract description 6
- 239000012141 concentrate Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 235000019504 cigarettes Nutrition 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 230000002452 interceptive effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010411 cooking Methods 0.000 description 2
- 230000003670 easy-to-clean Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000009434 installation Methods 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
- 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
- 230000006872 improvement Effects 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
- 230000000391 smoking effect 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 the exhaust fume collecting hood, blower fan system is provided in the cabinet, it is characterized by: the blower fan system includes the first ternary blower and the second ternary blower being arranged in parallel, it is offered on the smoke-collecting plate on a left side, spaced apart first air inlet hole and the second air inlet hole in right direction, be provided with above the smoke-collecting plate smoke-collecting plate to overturn to open or close the first turnover panel of the first air inlet hole relatively, and it smoke-collecting plate can overturn to open or close the second turnover panel of the second air inlet hole relatively.By the way that the turnover panel of opposite smoke-collecting plate overturning is arranged, to open or close air inlet hole, two air inlet holes can be made all for respective burner on kitchen range, to make full use of negative pressuren zone to concentrate guiding respectively, promote smoke absorption effect；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 is formed in the exhaust fume collecting hood, is provided with blower in the cabinet
System, it is characterised in that: the blower fan system includes the first ternary blower and the second ternary blower being arranged in parallel, the collection cigarette
Spaced apart first air inlet hole and the second air inlet hole on left and right direction are offered on plate, are provided with above the smoke-collecting plate
The first turnover panel of the first air inlet hole, and the opposite smoke-collecting plate overturning of energy can be overturn to open or close relatively to beat by smoke-collecting plate
The second turnover panel of the second air inlet hole is closed on or off.
For the automatic turning and independent control for realizing turnover panel, the smoke-collecting plate top is additionally provided with for driving the first turnover panel
The first driving mechanism and the first transmission mechanism of overturning, and the second driving mechanism and second for driving the second turnover panel to overturn
Transmission mechanism.
It preferably, is the steady overturning convenient for the first turnover panel, first transmission mechanism includes the first support base, second
Support seat, the first connecting rod for being connect with the first turnover panel being disposed adjacent with the first support base and adjacent with the second support base
The second connecting rod for connecting with the first turnover panel being arranged, one of setting of first support base and the second support base exist
The rear side of the first air inlet hole is arranged in another of the front side of first air inlet hole, first support base and the second support base；Institute
The first driving mechanism is stated to connect with the first output shaft across the first support base, the first connecting rod and the rotation of the first output shaft
It connects, the second connecting rod and the second support base are rotatablely connected.
To drive the first turnover panel convenient for the first transmission mechanism, first transmission mechanism further includes being arranged on the first turnover panel
The first support plate, the shape of first turnover panel, the shape of size and the first air inlet hole, size fit, first support
Plate is greater than the first turnover panel, and first turnover panel is fixed on the lower surface of the first support plate, the first connecting rod and second connecting rod
It is connect respectively with the first support plate.
Run away to reduce oil smoke, first support plate it is close it is connect with each support base, on first air inlet hole
The end of side has the first bending part be folded upward at, rounding off, the arc-shaped bending of the first bending part.
It preferably, is the steady overturning convenient for the second turnover panel, second transmission mechanism includes third support base, the 4th
Support seat, the third connecting rod for being connect with the second turnover panel being disposed adjacent with the second support base and adjacent with four-supporting
The fourth link for connecting with the second turnover panel being arranged, one of setting of the third support base and four-supporting exist
The rear side of the second air inlet hole is arranged in another of the front side of second air inlet hole, the third support base and four-supporting；Institute
The second driving mechanism is stated to connect with the second output shaft across the second support base, the third connecting rod and the rotation of the second output shaft
It connects, the fourth link and four-supporting are rotatablely connected.
To drive the second turnover panel convenient for the second transmission mechanism, second transmission mechanism further includes being arranged on the second turnover panel
The second support plate, the shape of second turnover panel, the shape of size and the second air inlet hole, size fit, second support
Plate is greater than the second turnover panel, and second turnover panel is fixed on the lower surface of the second support plate, the third connecting rod and fourth link
It is connect respectively with the second support plate.
Run away to reduce oil smoke, second support plate it is close it is connect with each support base, on second air inlet hole
The end of side has the second bending part be folded upward at, rounding off, the arc-shaped bending of the second bending part.
To make full use of the space above smoke-collecting plate, first driving mechanism and the first transmission mechanism are arranged in smoke-collecting plate
Left side, the right side of smoke-collecting plate is arranged in second driving mechanism and the second transmission mechanism, so that two turnover panel directions
Direction overturning away from each other is to open corresponding air inlet hole, overturn towards direction adjacent to each other to close corresponding air inlet
Hole.
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: the turnover panel by the way that opposite smoke-collecting plate overturning is arranged, to open
Or air inlet hole is closed, 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 respectively
Guiding promotes smoke absorption effect；And two air inlet holes can be adjusted according to hearth service condition, accomplish precisely straight 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 clean whole
It is clean, it is easy to clean, it improves significantly to air in kitchen environment；And the overturning mode of turnover panel, reduce 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, the negative pressure ladder of generation
Degree is big, and smoking efficiency can be made significantly to be promoted；The form of this parallel connection two fans vertical display, can make blower fan system
The air-flow entered at left and right sides of most strong negative pressuren zone face, and the air-flow that double air intake passages on smoke-collecting plate can make lower section enter
Enter 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 air inlet hole closed mode schematic diagram 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 blower fan system of range hood of the invention and the cross-sectional view of outlet housing one embodiment；
Fig. 8 is the schematic diagram of the outlet housing of the range hood of Fig. 1；
Fig. 9 is the schematic diagram of second embodiment of blower fan system and outlet housing of range hood of the invention；
Figure 10 is the blower fan system of the range hood of Fig. 9 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.
Embodiment one
Referring to FIG. 1 to FIG. 6, 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 corresponding air inlet hole overturning relatively, thus independently to open and close corresponding air inlet hole.
Position inside smoke collecting chamber 13, above smoke-collecting plate 3 is provided with the first driving mechanism for driving the first turnover panel 81 to overturn
83 and first transmission mechanism 84, the second driving mechanism 85 for driving the second turnover panel 82 to overturn and the second transmission mechanism 86.It is excellent
Choosing, the first driving mechanism 83 is identical with the structure of the second driving mechanism 85.For convenient for fixation, above-mentioned each driving mechanism and transmission
Mechanism is 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；Or, or, before the first air inlet hole 31 is arranged in the first driving mechanism 83
The front side of the second air inlet hole 32 is arranged in side, the second driving mechanism 85；Or, or, the setting of the first driving mechanism 83 exists
The rear side of the second air inlet hole 32 is arranged in the rear side of first air inlet hole 31, the second driving mechanism 85.Wherein, the first driving mechanism 83
Motor, or the mechanism that load can also can be driven to rotate using other are preferably used with the second driving mechanism 85.First drives
Motivation structure 83 and the second driving mechanism 85 are respectively provided with the first output shaft 831 and the second output shaft 851.To make full use of smoke-collecting plate
Space on 3 avoids two driving mechanisms from interfering, and two turnover panels interfere during overturning, the first driving machine
Structure 83 is located at the left side of smoke-collecting plate 3, and the first output shaft 831 extends to the right, and the second driving mechanism 85 is located at the right side of smoke-collecting plate 3,
Second output shaft 851 extends to the left.Two turnover panels are overturn towards direction away from each other to open respective air inlet hole, court
It overturns to direction adjacent to each other to close respective air inlet hole.
First transmission mechanism 84 includes the first support plate 841 being arranged on the first turnover panel 81, the first support base 842, the
Two support bases 843, first connecting rod 844 and second connecting rod 845.Shape, the shape of size and the first air inlet hole 31 of first turnover panel 81
Shape, size fit, and the first support plate 841 is then greater than the first turnover panel 81, the first turnover panel 81 is fixed under the first support plate 81
On surface.
First support base 842 is arranged in the rear side of the first air inlet hole 31 and is located at the front side of the first driving mechanism 83, excellent
Choosing, the first support base 842 is located at the left side of smoke-collecting plate 3.First through hole 8421 is offered on first support base 842, first drives
First output shaft 831 of motivation structure 83 advances through first through hole 8421 from the rear side of the first support base 842 and is connected to first
Connecting rod 844, it is preferred that be connected to the middle part of first connecting rod 844.The right side of 831 junction of first connecting rod 844 and the first output shaft
Side, it is preferred that right-hand end is connected to the first support plate 841.
The front side of the first air inlet hole 31 is arranged in second support base 843, it is preferred that the left side on smoke-collecting plate 3.Second
Connecting rod 845, it is preferred that middle part is rotatablely connected by first rotating shaft 846 and the second support base 843.Second connecting rod 845 and second
Support the right side of 843 junction of seat, it is preferred that right-hand end is connected to the first support plate 841.Rear, preceding the two of first support plate 841
Side can be respectively provided with the first folding portion 8412 and the second folding portion 8413 flipped up, with respectively with first connecting rod 844 and
The connection of two connecting rods 845.
As a result, when the first driving mechanism 83 starts, first connecting rod 844 can be driven to rotate by the first output shaft 831, by
This drives the first turnover panel 81 to overturn relative to the first air inlet hole 31 by the first support plate 841, it is preferred that the angle of overturning is less than
90 degree.First support plate 841, which is located at 31 left side top of the first air inlet hole, the close end connecting with each support base, to be had upwards
Bending, rounding off the first bending part 8411, the arc-shaped bending of the first bending part 8411.As a result, when the first turnover panel 81 is beaten
When opening, the first bending part 8411 is adjacent to smoke-collecting plate 3, can be used for closing 31 left side top of the first air inlet hole, avoid oil smoke from this
Position flows between the first support plate 841 and corresponding side plate 111, influences fume-exhausting, while the first turnover panel 81 can also be to oil smoke
Play the role of guidance, so that oil smoke faster, more surely enters in cabinet 2.
Second transmission mechanism 86 includes the second support plate 861 being arranged on the second turnover panel 82, third support base 862, the
Four-supporting 863, third connecting rod 864 and fourth link 865.Shape, the shape of size and the second air inlet hole 32 of second turnover panel 82
Shape, size fit, and the second support plate 861 is then greater than the second turnover panel 82, the second turnover panel 82 is fixed under the second support plate 82
On surface.
Third support base 862 is arranged in the front side of the second air inlet hole 32 and is located at the rear side of the second driving mechanism 85, excellent
Choosing, third support base 862 is located at the right side of smoke-collecting plate 3, thus can avoid interfering with the first transmission mechanism 84.Third branch
The second through-hole 8621 is offered on support seat 862, the second output shaft 851 of the second driving mechanism 85 is before third support base 862
Side backs through the second through-hole 8621 and is connected to third connecting rod 864, it is preferred that is connected to the middle part of third connecting rod 864.Third
The left side of 851 junction of connecting rod 864 and the second output shaft, it is preferred that left end is connected to the second support plate 842.
The rear side of the second air inlet hole 32 is arranged in four-supporting 863, it is preferred that the right side on smoke-collecting plate 3, thus
It can avoid interfering with the first transmission mechanism 84.Fourth link 865, it is preferred that middle part passes through the second shaft 866 and the 4th
Seat 863 is supportted to be rotatablely connected.The left side of 863 junction of fourth link 865 and four-supporting, it is preferred that left end is connected to
Second support plate 861.The front and rear sides of second support plate 861 can be respectively provided with the third folding portion 8612 flipped up and
Four folding portions 8613, to be connect respectively with third connecting rod 864 and fourth link 865.
As a result, when the second driving mechanism 85 starts, third connecting rod 864 can be driven to rotate by the second output shaft 851, by
This drives the second turnover panel 82 to overturn relative to the second air inlet hole 32 by the second support plate 861, it is preferred that the angle of overturning is less than
90 degree.Second support plate 861, which is located at 32 right side top of the second air inlet hole, the close end connecting with each support base, to be had upwards
Bending, rounding off the second bending part 8611, the arc-shaped bending of the second bending part 8411.As a result, when the second turnover panel 82 is beaten
When opening, the second bending part 8611 is adjacent to smoke-collecting plate 3, can be used for closing 32 right side top of the second air inlet hole, avoid oil smoke from this
Position flows between the second support plate 861 and corresponding side plate 111, influences fume-exhausting, while the second turnover panel 82 can also be to oil smoke
Play the role of guidance, so that oil smoke faster, more quietly enters in cabinet 2.
When range hood work, the first driving mechanism 83 and the starting operating of the second driving mechanism 85 will be covered on first
The first turnover panel 81 at air inlet hole 31, the second turnover panel 82 being covered at the second air inlet hole 32 open certain angle to two side to overturn
Degree, 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.
When range hood close when, the first driving mechanism 83 and the second driving mechanism 85 starting operating, by the first turnover panel 81,
Second turnover panel 82 respectively to the intermediate flipped of smoke-collecting plate 3, until be covered each by respective first air inlet hole 31 and second into
Air holes 32 is closed entire smoke-collecting plate 3, is integrally formed, referring to figs. 5 and 6.Thus the strainer compared with greasy dirt and blower system can be hidden
System, effectively prevent the taint of odour of oil smoke, while range hood being made to seem neat and tidy, easy to clean, has to air in kitchen environment bright
Aobvious improvement result.
The overturning mode of above-mentioned this turnover panel, reduces installation space, can make two air inlet holes respectively all for stove
Respective burner on tool makes full use of negative pressuren zone to concentrate guiding, and the effect of water conservancy diversion may be implemented in the turnover panel after overturning again, is promoted and is inhaled
Oil smoke effect；And two air inlet holes can be adjusted according to hearth service condition, accomplish precisely straight inhale.
Referring to fig. 2, Fig. 7 and Fig. 8, 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 Fig. 9 and Figure 10, 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 (15)
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, which is provided with, smoke-collecting plate (3) to be overturn to open or close first relatively
The first turnover panel (81) of air inlet hole (31), and smoke-collecting plate (3) can overturn to open or close the second air inlet hole (32) relatively
The second turnover panel (82).
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) and the first transmission mechanism (84) of dynamic first turnover panel (81) overturning, and for driving the second turnover panel
(82) the second driving mechanism (85) and the second transmission mechanism (86) overturn.
3. range hood according to claim 2, it is characterised in that: first transmission mechanism (84) includes the first support
Seat (842), the second support base (843), be used to connect with the first turnover panel (81) the being disposed adjacent with the first support base (842)
One connecting rod (844) and the second connecting rod for being connect with the first turnover panel (81) being disposed adjacent with the second support base (843)
(845), one of setting of first support base (842) and the second support base (843) is before the first air inlet hole (31)
Side, the rear side of another setting of first support base (842) and the second support base (843) in the first air inlet hole (31)；Institute
The first driving mechanism (83) are stated with the first output shaft (831) across the first support base (842), the first connecting rod (844)
It is rotatablely connected with the first output shaft (831), the second connecting rod (844) and the second support base (843) are rotatablely connected.
4. range hood according to claim 3, it is characterised in that: first transmission mechanism (84) further includes that setting exists
The first support plate (841) on first turnover panel (81), the shape of first turnover panel (81), size and the first air inlet hole (31)
Shape, size fit, first support plate (841) are greater than the first turnover panel (81), and first turnover panel (81) is fixed on first
On the lower surface of support plate (81), the first connecting rod (844) and second connecting rod (845) connect with the first support plate (81) respectively
It connects.
5. range hood according to claim 4, it is characterised in that: first support plate (841) is close with each support
End that seat connects, being located above the first air inlet hole (31) has the first bending part be folded upward at, rounding off
(8411), the arc-shaped bending of first bending part (8411).
6. range hood according to claim 2, it is characterised in that: second transmission mechanism (86) includes third support
Seat (862), four-supporting (863), be used to connect with the second turnover panel (82) the being disposed adjacent with the second support base (862)
Three-link (864) and the fourth link for being connect with the second turnover panel (82) being disposed adjacent with four-supporting (863)
(865), one of setting of the third support base (862) and four-supporting (863) is before the second air inlet hole (32)
Side, the rear side of another setting of the third support base (862) and four-supporting (863) in the second air inlet hole (32)；Institute
The second driving mechanism (85) are stated with the second output shaft (851) across the second support base (862), the third connecting rod (864)
It is rotatablely connected with the second output shaft (851), the fourth link (864) and four-supporting (863) are rotatablely connected.
7. range hood according to claim 6, it is characterised in that: second transmission mechanism (86) further includes that setting exists
The second support plate (861) on second turnover panel (82), the shape of second turnover panel (82), size and the second air inlet hole (32)
Shape, size fit, second support plate (861) are greater than the second turnover panel (82), and second turnover panel (82) is fixed on second
On the lower surface of support plate (861), the third connecting rod (864) and fourth link (865) connect with the second support plate (861) respectively
It connects.
8. range hood according to claim 7, it is characterised in that: second support plate (861) is close with each support
End that seat connects, being located above the second air inlet hole (32) has the second bending part be folded upward at, rounding off
(8611), the arc-shaped bending of second bending part (8611).
9. the range hood according to any one of claim 2~8, it is characterised in that: first driving mechanism (83)
It is arranged with the first transmission mechanism (84) in the left side of smoke-collecting plate (3), second driving mechanism (85) and the second transmission mechanism
(86) setting is on the right side of smoke-collecting plate (3), so that two turnover panels are corresponding to open towards direction overturning away from each other
Air inlet hole is overturn towards direction adjacent to each other to close corresponding air inlet hole.
10. range hood according to claim 1, it is characterised in that: the first ternary blower (41) includes the one or three
First impeller (412) and the first air inlet (413), the second ternary blower (42) include the second 3 d impeller (422) and second
Air inlet (423), on oil smoke flow path, second air inlet (413) is equal with the first air inlet (413) position, institute
The first air inlet (413) and the second air inlet (413) are stated to be set side by side and be respectively facing the arranged on left and right sides of cabinet (2).
11. 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.
12. range hood according to claim 10, 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).
13. range hood according to claim 10, it is characterised in that: the first 3 d impeller (412) and the second ternary leaf
Wheel (422) is spaced in the same spiral case (44), is arranged side by side, the first air inlet corresponding with the first 3 d impeller (412)
Mouth (413), the second air inlet corresponding with the second 3 d impeller (422) (423) are respectively formed at opposite two of spiral case (44)
Side is provided with mounting plate (45), the mounting plate between first 3 d impeller (412) and the second 3 d impeller (422)
(45) extend to the top of spiral case (44), thus will be separated into spiral case (44) two independent first oil smoke channels (441) and
The top in the second oil smoke channel (442), first oil smoke channel (441) forms the first air outlet (414), second oil smoke
The top in channel (442) forms the second air outlet (424).
14. range hood according to claim 12 or 13, 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).
15. range hood according to claim 12 or 13, 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 |
|---|---|---|---|
| CN201711107832.3A CN109780599B (en) | 2017-11-10 | 2017-11-10 | Fume exhauster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711107832.3A CN109780599B (en) | 2017-11-10 | 2017-11-10 | Fume exhauster |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109780599A true CN109780599A (en) | 2019-05-21 |
| CN109780599B CN109780599B (en) | 2024-01-16 |
Family
ID=66485625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711107832.3A Active CN109780599B (en) | 2017-11-10 | 2017-11-10 | Fume exhauster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109780599B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114674049A (en) * | 2022-05-26 | 2022-06-28 | 南通润远结构件有限公司 | Cleaning mechanism for fire-fighting exhaust pipe |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203052780U (en) * | 2012-12-27 | 2013-07-10 | 谈启明 | Range hood |
| CN205002190U (en) * | 2015-07-27 | 2016-01-27 | 欧派家居集团股份有限公司 | Range hood |
| WO2016037407A1 (en) * | 2014-09-12 | 2016-03-17 | 芜湖美的厨房电器制造有限公司 | Volute for range hood and range hood provided with volute |
| CN205401175U (en) * | 2016-02-01 | 2016-07-27 | 宁波方太厨具有限公司 | Fan and adopt range hood of this fan |
| 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 |
-
2017
- 2017-11-10 CN CN201711107832.3A patent/CN109780599B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203052780U (en) * | 2012-12-27 | 2013-07-10 | 谈启明 | Range hood |
| WO2016037407A1 (en) * | 2014-09-12 | 2016-03-17 | 芜湖美的厨房电器制造有限公司 | Volute for range hood and range hood provided with volute |
| CN205002190U (en) * | 2015-07-27 | 2016-01-27 | 欧派家居集团股份有限公司 | Range hood |
| CN205401175U (en) * | 2016-02-01 | 2016-07-27 | 宁波方太厨具有限公司 | Fan and adopt range hood of this fan |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114674049A (en) * | 2022-05-26 | 2022-06-28 | 南通润远结构件有限公司 | Cleaning mechanism for fire-fighting exhaust pipe |
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| Publication number | Publication date |
|---|---|
| CN109780599B (en) | 2024-01-16 |
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