CN109595628A - A kind of near-suction type oil smoke suction machine - Google Patents
A kind of near-suction type oil smoke suction machine Download PDFInfo
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- CN109595628A CN109595628A CN201710923579.2A CN201710923579A CN109595628A CN 109595628 A CN109595628 A CN 109595628A CN 201710923579 A CN201710923579 A CN 201710923579A CN 109595628 A CN109595628 A CN 109595628A
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- oil smoke
- impeller
- deflector
- air
- spiral case
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- 239000000779 smoke Substances 0.000 title claims abstract description 100
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 7
- 238000009792 diffusion process Methods 0.000 claims description 28
- 230000007246 mechanism Effects 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 238000007599 discharging Methods 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 241000237858 Gastropoda Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000002337 anti-port Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a kind of near-suction type oil smoke suction machines, including shell and blower fan system, the shell includes the panel inclined with horizontal direction positioned at front end, the air inlet for being open and becoming range hood is offered on the panel, it is characterized by: the blower fan system includes the first ternary blower and the second ternary blower being arranged in parallel, the blower fan system is arranged in cabinet, smoke deflector is provided on front side of the panel, interval between the smoke deflector and panel constitutes air intake passage, and the air intake passage is connected to by being open with shell.When range hood does not work, smoke deflector closes the strainer and blower fan system that can be hidden compared with greasy dirt, so that range hood keeps neat and tidy；When range hood work, smoke deflector opening can play the role of drainage to the air of casing peripheral, effective Ground Split rectification and guidance can be carried out to the air-flow by outer rectifier, reduce the turbulent flow and sinuous flow in air-flow, form smooth air-flow, that is, increasing the collection cigarette area of shell, it can preferably improve the smoke discharging effect of range hood.
Description
Technical field
The present invention relates to machine for kitchen use, especially a kind of near-suction type oil smoke suction machine.
Background technique
Range hood has become one of machine for kitchen use equipment indispensable in Modern Family.Usual range hood includes top
The range hood of suction and near-absorption type, near-absorption type is separate using vortex wind pressure, will be largely apart from the closer oil smoke of hearth with arc
Line form absorbs, and can reduce the adverse effect to human health, and power source is closer from hearth, will not substantially reduce power
The suction effect in source.
A kind of side-suction type range hood as disclosed in the Chinese patent application No. is 201110338726.2, comprising: exterior face
Plate has the first middle opening；Centre panel configures the first central closing in exterior panel, between exterior panel
Gap forms smoke inlet；Smoke collecting chamber is connected to positioned at the inside of exterior panel, and with smoke inlet；Lubricating cup is arranged under smoke collecting chamber
Side；There are gaps between the lower edge of smoke collecting chamber and the inner surface of exterior panel is led with forming be connected to the inner cavity of lubricating cup first
Oily channel.
The scheme of the prior art as described above, centre panel be it is fixed, be equipped between centre panel and exterior panel
It is fixed when gap designs and manufactures for original for the gap of flue gas sucking, therefore gap is in permanent opening-wide state, makes
Exhaust fume collecting hood and flue be it is straight-through, smoke barrier can not effectively obstruct the oil smoke taint of odour of the other users in whole flue, useful
Bring greatly inconvenient and environmental pollution in family；It is multi-wing centrifugal fan that blower fan system, which generallys use, and multi-wing centrifugal fan
It is placed in lower triangle, in order to guarantee higher air intake efficiency, blower fan system volume is larger.And this arrangement of blower,
Since impeller to prewhirl effect and gas of gas carries out that direction can be altered in steps in 90 ° of steering procedures in flowing into impeller,
Simple self-consistent inlet and outlet angle is unfavorable for the practical acting ability of impeller；In addition, blower is apart from wind pipe
Distance is remote, it is difficult to overcome the resistance of ducting, blower faces user directly, lacks noise reduction measure, and noise is higher.
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 sealing effect
Well, hold together the big near-suction type oil smoke suction machine of cigarette area.
The technical scheme of the invention to solve the technical problem is: a kind of near-suction type oil smoke suction machine, including shell
And blower fan system, the shell include the panel inclined with horizontal direction positioned at front end, offer opening on the panel
And become the air inlet of range hood, it is characterised in that: the blower fan system includes the first ternary blower being arranged in parallel and the
Two ternary blowers, the blower fan system are arranged in cabinet, and smoke deflector, the smoke deflector and face are provided on front side of the panel
Interval between plate constitutes air intake passage, and the air intake passage is connected to by being open with shell.
Further include the driving mechanism and transmission mechanism for driving the smoke deflector movement, enables the smoke deflector opposite
Panel is flexible, to close air intake passage close to panel or open air intake passage far from panel.
The transmission mechanism includes two groups of combinations being made of sliding rail rack, sliding rail and connecting rod, and the combination is respectively set
In the arranged on left and right sides of smoke deflector；In each group, the sliding rail rack is connected and fixed with corresponding housing parts, and the sliding rail is set
The side in sliding rail rack towards shell is set, one end of the connecting rod and smoke deflector are connected towards the intracorporal side of shell, the company
Bar and sliding rail are slidably connected far from the side of sliding rail rack, and the driving mechanism is for driving one of connecting rod along corresponding
Sliding rail is mobile.
The driving mechanism is electric pushrod, in the intracorporal left and right of shell, wherein side, the transmission mechanism further include for setting
Connecting rod, drive rod and connecting bracket, the connecting rod are connected on one of connecting rod, the other end of the connecting rod then with
One end of drive rod is rotatablely connected, and the other end of the drive rod and the output end of electric pushrod connect, the connecting bracket
One end is rotatably connected on the position between the both ends of drive rod, and the other end of the connecting bracket is then connected and fixed with shell.
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 the bore of second end, it is characterised in that: be provided with the first deflector and the second deflector in the cover, each deflector from
The first end of cover extends to second end, and the first diffusion runner, institute are formed between first deflector and the inner sidewall of cover
It states and forms the second diffusion runner between the second deflector and the inner sidewall of cover, the first diffusion runner and the second diffusion runner
Sectional area be gradually reduced respectively by the first end of cover to second end, the first diffusion runner at the first end of cover with
First air outlet of the first ternary blower is corresponding, the second diffusion runner at the first end of cover with the second ternary blower
Second air outlet is corresponding.
Compared with the prior art, the advantages of the present invention are as follows: when range hood does not work, smoke deflector closing can hide
Compared with the strainer and blower fan system of greasy dirt, so that range hood keeps neat and tidy；When range hood work, smoke deflector opening can
Play the role of drainage to the air of casing peripheral, effective Ground Split rectification can be carried out to the air-flow by outer rectifier and is drawn
It leads, reduces the turbulent flow and sinuous flow in air-flow, form smooth air-flow, that is, the collection cigarette area of shell is increased, it can be preferably
Improve the smoke discharging effect of range hood；By using two ternary blowers, blower fan structure is compact, and size is relatively small, blower effect
Rate and wind pressure are high, and the suction gradient of generation is big, and smoking efficiency can be made significantly to be promoted；The blower overall volume constituted after parallel connection
It is smaller, it is not necessary to change the original size of cabinet, air quantity can be made double again in the case where keeping higher wind pressure, improve fume-exhausting
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 stoves
Head achievees the effect that not run cigarette, and noise transmission path reduces noise not towards user；It is being pumped by movable smoke deflector
Auto-extending when smoke machine works can carry out effectively separating rectification and guidance, reduce air-flow to the air-flow by outer rectifier
In turbulent flow and sinuous flow, form smooth air-flow, reduce air-flow in the whirlpool of the air inlet junction of two fans unit, air-flow enters
The indoor wind of chamber can respectively enter in corresponding air-inlet cavity, and wind individual flow in each air-inlet cavity, so as to keep away
Exempt from the phenomenon that tacking between two adjacent air inlets occur, and then the air quantity of each air inlet of two fans can be made equal
It is even, the functional reliability of two fans kitchen ventilator can be improved.
Detailed description of the invention
Fig. 1 is the schematic diagram of one embodiment of range hood of the invention；
Fig. 2 is the cross-sectional view of the range hood of Fig. 1；
Fig. 3 is the smoke deflector opening state schematic diagram of the range hood of Fig. 1；
Fig. 4 is the decomposition texture schematic diagram of the range hood of Fig. 1；
Fig. 5 is the exploded structural schematic diagram of the range hood of Fig. 1；
Fig. 6 is the smoke deflector and its driving mechanism and transmission mechanism schematic diagram of the range hood of Fig. 1；
Fig. 7 is the decomposition texture schematic diagram of Fig. 6；
Fig. 8 is the blower fan system of the range hood of Fig. 1 and the cross-sectional view of outlet housing；
Fig. 9 is the schematic diagram of the outlet housing of range hood of the invention；
Figure 10 is the schematic diagram of second embodiment of blower fan system of range hood of the invention；
Figure 11 is the cross-sectional view of Figure 10.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
Referring to FIG. 1 to FIG. 7, a kind of near-suction type oil smoke suction machine is including shell 1 and the cabinet 2 being arranged in above shell 1
Convenient for description, hereinafter, "front", "rear", "left", "right", "upper", "lower" each mean user when using range hood,
Orientation of the range hood relative to user, and structure is not limited.
In the present embodiment, shell 1 includes the first side plate 11 positioned at arranged on left and right sides, the front end face of the first side plate 11 by
Gradually tilted backwards under (with horizontal direction tilt), thus towards the front side of user be inclined surface.Two the first side plates
Top between 11 is provided with top plate 12, and the rear end between two the first side plates 11 is provided with back side panel 13.Cabinet 2 includes four
Second side plate 21 constitutes the air duct 25 that oil smoke passes through between each second side plate 21.
Panel 14 is provided between two 11 front ends of the first side plate, panel 14 includes being located at inner panel 142, and be centered around
142 periphery of inner panel, the outer panels 143 for forming frame, opening 141 is offered on inner panel 142 with formed range hood into
Air port, it is preferred that air inlet is located at 142 center of inner panel.Inner panel 142 relative to outer panels 143 towards 1 sunken inside of shell,
And closing among the outer edge of inner panel 142 and the inward flange of outer panels 143, inner panel 142 and outer panels 143 are in flat
Face.
It is provided with smoke deflector 15, shape, the size fit of smoke deflector 15 and inner panel 142 on front side of panel 14, and is inhaling
When kitchen ventilator works, there is certain interval, between smoke deflector 15 and inner panel 142 between smoke deflector 15 and inner panel 142
This interval constitutes air intake passage 150, and oil smoke enters in shell 1 after passing through from the air intake passage 150 from opening 141.Panel
14 and the inclination at an angle to the horizontal direction of smoke deflector 15.
Smoke deflector 15 can be fixedly connected with shell 1, be detachably connected or be flexibly connected.In the present embodiment, it is preferred that
Smoke deflector 15 is flexibly connected with shell 1, can be mobile relative to panel 14.Smoke deflector 15 passes through driving mechanism 151 and transmission mechanism 152
It is flexibly connected with shell 1.Preferably, driving mechanism 151 is electric pushrod, and the left and right wherein side in shell 1 is arranged in.It passes
Motivation structure 152 includes sliding rail rack 1521, sliding rail 1522, connecting rod 1523, connecting rod 1524, drive rod 1525 and connecting bracket
1526, wherein sliding rail rack 1521, sliding rail 1522 and connecting rod 1523 constitute a combination, have two groups of combinations of the above, respectively
The left and right sides in shell 1 is set.In each group, sliding rail rack 1521 is towards the outside of shell 1 and the shell 1 of corresponding position
The first side plate 11 be connected and fixed, sliding rail 1522 be arranged in sliding rail rack 1521 far from the first side plate 11 (towards in shell 1)
Side, and side of the sliding rail 1522 far from sliding rail rack 1521, and connecting rod 1523 and sliding rail rack is arranged in connecting rod 1523
1521 are slidably connected.The first end of connecting rod 1523 is connect with smoke deflector 15 towards the side in shell 1, and connecting rod 1523 can be along cunning
Rail 1522 slides in front and rear direction.Sliding rail 1522 can be tilted with horizontal direction, tilt angle and panel 14 and smoke deflector 15
Tilt angle it is consistent.
Be provided with 151 corresponding position of driving mechanism one of connecting rod 1523 on be rotatably connected to above-mentioned connecting rod
1524 one end, it is preferred that connecting rod 1524 is attached to close to the position of 1523 second end of connecting rod.Connecting rod 1524 it is another
End is then rotatablely connected with one end of drive rod 1525, and the other end of drive rod 1525 is connect with the output end of electric pushrod 151, even
The one end for connecing bracket 1526 is rotatably connected on position between the both ends of drive rod 1525, the other end then shell with corresponding position
1 the first side plate 11 is connected and fixed, and is used with making the rotation axis of drive rod 1525.
Range hood work when, driving mechanism 151 start, one end that drive rod 1525 is connect with driving mechanism 151 to
Post-tensioning, drive rod 1525 rotates centered on 1526 junction of connecting bracket at this time, the one end being connect with connecting rod 1524 to
It is pushed forward, from there through connecting rod 1524 by connecting rod 1523 to being pushed forward, so that smoke deflector 15 gradually leaves panel 14, until being moved to
There is expected interval with panel 14, so that air intake passage 150 is opened, thus oil smoke can enter in shell 1.Range hood stops
When work, smoke deflector 15 is returned to close to inner panel 142 by 151 antiport of driving mechanism, and air intake passage 150 is closed at this time
It closes, and preferred, smoke deflector 15 flushes with outer panels 143 and the two is made to constitute flat plane.
It, can be to the air-flow by outer rectifier when opening by the smoke deflector 15 of the flexible setting of such opposite panel 14
Effective Ground Split rectification and guidance are carried out, the turbulent flow and sinuous flow in air-flow is reduced, forms smooth air-flow；When closing, it can hide
Compared with the strainer and blower of greasy dirt, the neat and tidy so that range hood seems is easy to clean, while can prevent the taint of odour of oil smoke again,
It improves significantly to air in kitchen environment.
It is provided with strainer in shell 1, strainer can be set corresponding with the opening 141 of shell 1, also can be set in blower system
The air inlet of system.The bottom of shell 1,13 bottom of back side panel and panel are connected with bottom plate 17 between 14 bottom.Above-mentioned first side
Plate 11, top plate 12, back side panel 13, panel 14, smoke deflector 15 and bottom plate 17 collectively define the cavity in shell 1.
In the present embodiment, blower fan system 4 is provided in cabinet 2, it is preferred that blower fan system 4 is ternary blower, ternary wind
The prior art can be used in machine, as disclosed in the Chinese patent application No. is 201310418009.X.Blower fan system 4 can be single
A ternary blower, two ternary blowers in parallel or two concatenated ternary blowers, due to ternary blower have it is compact-sized,
The feature that size is relatively small, fan efficiency and wind pressure are high, the suction gradient that can be generated is big, can to smoke efficiency significantly
It is promoted.The specific structure of blower fan system 4 will be described in detail later.It is provided with above cabinet 2 and connects with the air outlet of blower fan system 4
The outlet housing 5 connect, so that oil smoke can be drained into common flue by outlet housing 5.
Referring to Fig. 8 and Fig. 9, in the present embodiment, blower fan system 4 include two can independent operation the first ternary blower system
System 41 and the second ternary blower fan system 42, two ternary fan parallel-connection settings.By using 3 d impeller, compared to centrifugation wind
Flow efficiency can be significantly increased in machine, improve air quantity.
The first 3 d impeller that first ternary blower fan system 41 spiral case 411 and be arranged in the first spiral case 411 including first
412, the second 3 d impeller 422 that the second ternary blower fan system 42 spiral case 421 and be arranged in the second spiral case 421 including second.
First spiral case 411 and the second spiral case 421 side by side, compartment of terrain arrangement, be formed with the first air inlet 413 on the first spiral case 411, second
Be formed with the second air inlet 423 on spiral case 421, the air inlet of two spiral cases away from each other, i.e. the air inlet of the first spiral case 411
313 are formed in the side far from the second spiral case 421, two back-to-back settings of spiral case so that two ternary blowers in it is left and right side by side
Arrangement, and the 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 from collection cigarette
When cover 1 enters, entered in blower fan system 4 from arranged on left and right sides respectively.The first oil smoke channel 441 is formed in first spiral case 411,
The top in the first oil smoke channel 441 forms the first air outlet 414, the second oil smoke channel 442 of formation in the second spiral case 421, and second
442 top of oil smoke channel forms 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 rotary sieve 6 of such 25 inlet of air duct can just play a role, but can not
Greater than 2 times 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 ternary blower fan system 41
First air outlet 414 of the first spiral case 411, the second air outlet 424 of the second spiral case 421 of the second ternary blower fan system 42, simultaneously
And it 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 second end
512 bore 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 from
First end 511 enters in cover 51, and leaves 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 to second end 512 extend, and the first deflector 521 at the first end 511 of cover 51, with the first ternary blower fan system
First edge 415 (first of the second air outlet 424 close to the second ternary blower fan system 42 at 41 the first air outlet 414
The right edge of air outlet) it is corresponding, the second deflector 522 at the first end 511 of cover 51, with the second ternary blower fan system 42
The second air outlet 424 at (second goes out at the second edge 425 of the first air outlet 414 close to the first ternary blower fan system 41
The left side edge in air port) it is corresponding.Each deflector has the width extended in front and rear direction.First deflector 521 is by first
End 511 to second end 512, be increasingly towards the second deflector 522 (to the right) inclination, the second deflector 522 is by first end 511 to the
Two ends 512 are increasingly towards the first deflector 521 inclination (to the left), i.e., each deflector deviates intermediate position from 51 bottom of cover
It sets to the position of 51 top center of cover and extends.The top of first deflector 521 and the second deflector 522 is (close to cover 51
Second end 512) it interconnects, 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 fan system 41 at the first end 511 of body 51, that is, the first air outlet is completely covered
414, the second diffusion runner 532 is right with the second air outlet 424 of the second ternary blower fan system 42 at the first end 511 of cover 51
It answers, that is, the second air outlet 424 is completely covered.The sectional area of first diffusion runner 531 by first end 511 to second end 512 gradually
It reduces, sectional area first end 511 to the second end 512 of the second diffusion runner 532 is gradually reduced, as a result, the first diffusion runner 531
The muzzle velocity at top is greater than the muzzle velocity of 531 bottom of the first diffusion runner, the muzzle velocity at 532 top of the second diffusion runner
Greater than the muzzle velocity of 532 bottom of the second diffusion runner.
By the way that above-mentioned deflector is arranged, so that be connected to the first air outlet 414 of the first ternary blower fan system 41 the
The gas velocity of one diffusion runner 531, the second diffusion runner 42 being connected to the second air outlet 424 of the second ternary blower fan system 42
It spends closer to each other.This guide functions of outlet housing 5 are conducive to exit gas and form laminar flow, enter extension tube attached after forming laminar flow
Road is avoided the defect for being directly entered with turbulent condition external pipe after air-flow comes out from spiral case, also avoids two ternary wind
Strong friction and shock when the air outlet air-flow mixing of machine 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.
Embodiment two
Referring to Figure 10 and Figure 11, in the present embodiment, with above-described embodiment one the difference is that, the first ternary blower
System 41 and the second ternary blower fan system 42 share the same spiral case 44, i.e. the first 3 d impeller of the first ternary blower fan system 41
412 and second second 3 d impeller 422 of ternary blower fan system 42 be 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 (10)
1. a kind of near-suction type oil smoke suction machine, including shell (1) and blower fan system (4), the shell (1) include positioned at front end with
The inclined panel of horizontal direction (14) offers opening (141) on the panel (14) and becomes the air inlet of range hood,
It is characterized by: the blower fan system (4) includes the first ternary blower (41) and the second ternary blower (42) being arranged in parallel, institute
It states blower fan system (4) to be arranged in cabinet (2), is provided with smoke deflector (15), the smoke deflector on front side of the panel (14)
(15) interval between panel (14) constitutes air intake passage (150), the air intake passage (150) by be open (141) with
Shell (1) connection.
2. near-suction type oil smoke suction machine according to claim 1, it is characterised in that: further include for driving the smoke deflector
(15) driving mechanism (151) and transmission mechanism (152) acted, so that the smoke deflector (15) panel (14) can stretch relatively,
To close air intake passage (150) close to panel (14) or open air intake passage (150) far from panel (14).
3. near-suction type oil smoke suction machine according to claim 2, it is characterised in that: the transmission mechanism (152) includes two groups
The combination being made of sliding rail rack (1521), sliding rail (1522) and connecting rod (1523), the combination are separately positioned on smoke deflector
(15) arranged on left and right sides；In each group, the sliding rail rack (1521) is partially connected and fixed with corresponding shell (1), the cunning
Rail (1522) setting is in sliding rail rack (1521) towards the side of shell (1), one end of the connecting rod (1523) and smoke deflector
(15) connected towards the side in shell (1), the connecting rod (1523) and sliding rail (1522) far from sliding rail rack (1521) one
Slideslip connection, the driving mechanism (151) is for driving one of connecting rod (1523) to move along corresponding sliding rail (1522)
It is dynamic.
4. near-suction type oil smoke suction machine according to claim 3, it is characterised in that: the driving mechanism (151) is electronic pushes away
Bar, wherein side, the transmission mechanism (152) further include connecting rod (1524), drive rod for the left and right being arranged in shell (1)
(1525) it is connected on one of connecting rod (1523) with connecting bracket (1526), the connecting rod (1524), the connecting rod
(1524) the other end is then rotatablely connected with one end of drive rod (1525), and the other end of the drive rod (1525) is pushed away with electronic
The output end of bar (151) connects, and one end of the connecting bracket (1526) is rotatably connected between the both ends of drive rod (1525)
Position, the other end of the connecting bracket (1526) is then connected and fixed with shell (1).
5. near-suction type oil smoke suction machine according to any one of claims 1 to 4, it is characterised in that: the first ternary wind
Machine (41) includes the first 3 d impeller (412) and the first air inlet (413), and the second ternary blower (42) includes the second ternary
Impeller (422) and the second air inlet (423), on oil smoke flow path, second air inlet (413) and the first air inlet
(413) position is equivalent, and first air inlet (413) and the second air inlet (413) are set side by side and are respectively facing cabinet
(2) arranged on left and right sides.
6. near-suction type oil smoke suction machine according to claim 5, it is characterised in that: the first of the first ternary blower (41)
3 d impeller (412), the second ternary blower (42) the second 3 d impeller (422) respectively from the horizontal by 60 °~
90 °, and two 3 d impellers tilt in the opposite direction.
7. near-suction type oil smoke suction machine according to claim 5, it is characterised in that: the first ternary blower (41) further includes
First spiral case (411), the first 3 d impeller (412) setting is in the first spiral case (411), the second ternary blower (42)
It further include the second spiral case (421), the second 3 d impeller (422) setting is in the second spiral case (421), first spiral case
(411) it being spaced, is arranged side by side with the second spiral case (421), first air inlet (413) is formed on the first spiral case (411),
Second air inlet (423) is formed on the second spiral case (421), and it is logical that the first oil smoke is formed in first spiral case (411)
The top in road (441), first oil smoke channel (441) forms the first air outlet (414), the interior shape of second spiral case (421)
At there is the second oil smoke channel (442), the top in second oil smoke channel (442) forms the second air outlet (424).
8. near-suction type oil smoke suction machine according to claim 5, it is characterised in that: the first 3 d impeller (412) and the two or three
First impeller (422) is spaced in the same spiral case (44), is arranged side by side, corresponding with the first 3 d impeller (412) first
It is opposite that air inlet (413), the second air inlet corresponding with the second 3 d impeller (422) (423) are respectively formed at spiral case (44)
Two sides, be provided with mounting plate (45), the installation between first 3 d impeller (412) and the second 3 d impeller (422)
Plate (45) extends to the top of spiral case (44), thus by two independent first oil smoke channels (441) are separated into spiral case (44)
The first air outlet (414) are formed with the top in the second oil smoke channel (442), first oil smoke channel (441), second oil
The top of cigarette channel (442) forms the second air outlet (424).
9. near-suction type oil smoke suction machine according to claim 7 or 8, it is characterised in that: further include being arranged in the first ternary leaf
The driving motor (43) between (412) and the second 3 d impeller (422) is taken turns, the driving motor (43), which has, to be respectively used to drive
The double output shaft of first 3 d impeller (412) and the second 3 d impeller (422).
10. near-suction type oil smoke suction machine according to claim 7 or 8, it is characterised in that: the outlet air of the blower fan system (4)
It is provided with outlet housing (5) at mouthful, the outlet housing (5) includes the cover (51) in hollow tube-shape, and the cover (51) has phase
Pair, the first end (511) and second end (512) of opening, the mouth of the bore of the first end (511) greater than second end (512)
Diameter, is provided with the first deflector (521) and the second deflector (522) in the cover (51), and each deflector is from cover (51)
First end (511) to second end (512) extend, formed between first deflector (521) and the inner sidewall of cover (51)
First diffusion runner (531) forms the second diffusion runner between second deflector (522) and the inner sidewall of cover (51)
(532), the sectional area of the first diffusion runner (531) and the second diffusion runner (532) is respectively by the first end of cover (51)
(511) it is gradually reduced to second end (512), the first diffusion runner (531) is at the first end (511) of cover (51) with the
The first air outlet (414) of one ternary blower (41) is corresponding, first end of the second diffusion runner (532) in cover (51)
(511) corresponding with the second air outlet (424) of the second ternary blower (42) at.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710923579.2A CN109595628A (en) | 2017-09-30 | 2017-09-30 | A kind of near-suction type oil smoke suction machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710923579.2A CN109595628A (en) | 2017-09-30 | 2017-09-30 | A kind of near-suction type oil smoke suction machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109595628A true CN109595628A (en) | 2019-04-09 |
Family
ID=65955792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710923579.2A Withdrawn CN109595628A (en) | 2017-09-30 | 2017-09-30 | A kind of near-suction type oil smoke suction machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109595628A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110901942A (en) * | 2019-12-25 | 2020-03-24 | 长春师范大学 | Fume extractor based on large-load mooring unmanned aerial vehicle |
| CN111336558A (en) * | 2020-03-05 | 2020-06-26 | 宁波方太厨具有限公司 | Air outlet hood, range hood applying air outlet hood and control method of range hood |
-
2017
- 2017-09-30 CN CN201710923579.2A patent/CN109595628A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110901942A (en) * | 2019-12-25 | 2020-03-24 | 长春师范大学 | Fume extractor based on large-load mooring unmanned aerial vehicle |
| CN111336558A (en) * | 2020-03-05 | 2020-06-26 | 宁波方太厨具有限公司 | Air outlet hood, range hood applying air outlet hood and control method of range hood |
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