CN207527657U - 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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- CN207527657U CN207527657U CN201721288358.4U CN201721288358U CN207527657U CN 207527657 U CN207527657 U CN 207527657U CN 201721288358 U CN201721288358 U CN 201721288358U CN 207527657 U CN207527657 U CN 207527657U
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- housing
- wind turbine
- sound
- type oil
- oil smoke
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- 239000000779 smoke Substances 0.000 title claims abstract description 82
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 6
- 230000009467 reduction Effects 0.000 claims description 44
- 238000010521 absorption reaction Methods 0.000 claims description 27
- 230000007246 mechanism Effects 0.000 claims description 21
- 238000005192 partition Methods 0.000 claims description 18
- 229920000742 Cotton Polymers 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000002955 isolation Methods 0.000 claims description 9
- 230000001050 lubricating effect Effects 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 238000007599 discharging Methods 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 14
- 238000000354 decomposition reaction Methods 0.000 description 6
- 238000005119 centrifugation Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000000391 smoking effect Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000002337 anti-port Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000005516 engineering process Methods 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
- 230000009931 harmful effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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Abstract
The utility model discloses a kind of near-suction type oil smoke suction machines, and including housing and blower fan system, the housing includes the panel inclined with horizontal direction positioned at front end, and the air inlet for being open and becoming range hood is offered on the panel, it is characterised in that：The blower fan system is ternary wind turbine, and smoke deflector is provided on front side of the panel, and the interval between the smoke deflector and panel forms air intake passage, and the air intake passage is connected by being open with housing.When range hood does not work, smoke deflector closing can hide the strainer and blower fan system compared with greasy dirt so that range hood keeps neat and tidy；When range hood works, smoke deflector opening can play the role of drainage to the air of casing peripheral, it can be to carrying out effective Ground Split rectification and guiding by the air-flow of outer rectifier, reduce the turbulent flow and sinuous flow in air-flow, form smooth-going air-flow, that is, increasing the collection cigarette area of housing, it can preferably improve the smoke discharging effect of range hood.
Description
Technical field
The utility model is related to machine for kitchen use, especially a kind of near-suction type oil smoke suction machine.
Background technology
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, wind pressure is separate using being vortexed for the range hood of near-absorption type, by the major part oil smoke nearer apart from hearth with arc
Line form absorbs, and can reduce the harmful effect to health, and power source is nearer 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, including：Exterior face
Plate has the first middle opening；The first central closing in exterior panel is configured, between exterior panel in centre panel
Gap forms smoke inlet；Smoke collecting chamber is connected positioned at the inside of exterior panel, and with smoke inlet；Lubricating cup is arranged under smoke collecting chamber
Side；It is led between the lower edge of smoke collecting chamber and the inner surface of exterior panel there are gap with forming connected with the inner cavity of lubricating cup first
Oily channel.
The scheme of the prior art as described above, centre panel are fixed, are equipped between centre panel and exterior panel
It is fixed when former design and manufacture is in gap for the gap of flue gas sucking, therefore gap is in permanent opening-wide state, makes
It is straight-through that exhaust fume collecting hood, which is obtained, with flue, and 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；Blower fan system generally use is multi-wing centrifugal fan, and multi-wing centrifugal fan
It is placed in lower triangle, in order to ensure higher air intake efficiency, blower fan system volume is larger.And this arrangement of wind turbine,
Since impeller prewhirls to gas effect and gas carries out that direction can be altered in steps in 90 ° of steering procedures in impeller is flowed into,
Simple self-consistent inlet and outlet angle is unfavorable for the practical acting ability of impeller；In addition, wind turbine is apart from wind pipe
Distance is remote, it is difficult to overcome the resistance of ducting, wind turbine faces user directly, lacks noise reduction measure, and noise is higher.
Utility model content
Technical problem to be solved in the utility model is in view of the above-mentioned problems of the prior art, providing a kind of sealing
Effect is good, holds together the big near-suction type oil smoke suction machine of cigarette area.
Technical solution is used by the utility model solves above-mentioned technical problem：A kind of near-suction type oil smoke suction machine, including
Housing and blower fan system, the housing include the panel inclined with horizontal direction positioned at front end, are offered on the panel
It is open and becomes the air inlet of range hood, it is characterised in that：The blower fan system is ternary wind turbine, is set on front side of the panel
Be equipped with smoke deflector, interval between the smoke deflector and panel forms air intake passage, the air intake passage by be open and with shell
Body connects.
Further include the driving mechanism and transmission mechanism for driving the smoke deflector action so that the smoke deflector can be opposite
Panel stretches, so as 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 set respectively
In the arranged on left and right sides of smoke deflector；In each group, the sliding rail rack is connected with corresponding housing parts and is fixed, and the sliding rail is set
The side towards housing in sliding rail rack is put, one end of the connecting rod is connect with smoke deflector towards the side in housing, the company
Bar is slidably connected with side of the sliding rail far from sliding rail rack, and the driving mechanism is used to drive one of connecting rod along corresponding
Sliding rail moves.
The driving mechanism is electric pushrod, the left and right wherein side being arranged in housing, and the transmission mechanism further includes
Connecting rod, drive link and connecting bracket, the connecting rod are connected on one of connecting rod, the other end of the connecting rod then with
One end rotation connection of drive link, the other end of the drive link and the output terminal of electric pushrod connect, the connecting bracket
One end is rotatably connected on the position between the both ends of drive link, and the other end of the connecting bracket then connect fixation with housing.
Efficient due to ternary wind turbine, noise is big, is provided in the housing and makes an uproar for reducing what ternary wind turbine generated
The noise reduction module of sound, the noise reduction module include the multiple baffles for forming sound absorption back of the body chamber and the suction for being opened in sound absorption back of the body top of chamber
Acoustic aperture.
Preferably, for ease of being arranged in housing, the cavity geometry of housing, the composition sound absorption back of the body of the noise reduction module are adapted to
The baffle of chamber includes right baffle-plate, right shell body, front apron, rear baffle, bottom baffle and top baffle, and the top baffle is in front and rear direction
On width be more than bottom baffle, the top baffle gradually tilts upwards from front to back, offers sound-absorbing hole on the top baffle.
In order to be played a role to the noise in wider frequency section, the sound absorption back of the body intracavitary is provided with intermediate bulkhead and separates
Into the first chamber and second chamber positioned at arranged on left and right sides, first chamber partition board is provided in the first chamber and by first
Chamber is separated at least two first resonant cavities, is provided with second chamber partition board in the second chamber and separates second chamber
Into at least two second resonant cavities.
To increase the acoustic absorptivity of high-frequency noise, the cavity volume of first resonant cavity is less than the second resonant cavity.
For noise reduction module is caused to reach the sound absorption frequency range limit, the sound-absorbing hole is including at least two first sound-absorbing hole and at least
Two the second sound-absorbing hole, the aperture of second sound-absorbing hole are more than the first sound-absorbing hole.
To increase the acoustic absorptivity of low-frequency noise, the first acoustical cotton, institute have been attached on the baffle at the top of the noise reduction module
It states and is offered on the first acoustical cotton and the matched third sound-absorbing hole of the second sound-absorbing hole.
One side according to the present utility model, the ternary wind turbine are in that the housing is obliquely arranged in horizontal direction
In the cavity collectively formed with cabinet, the air inlet of the ternary wind turbine is corresponding with the opening on panel, the noise reduction module
The lower section of ternary wind turbine and close or be close to ternary wind turbine is arranged on, the aperture of first sound-absorbing hole is 0.5mm~1mm.
Other side according to the present utility model, is provided with cabinet above the housing, and the ternary wind turbine is in and water
Square to being obliquely arranged in cabinet, the aperture of first sound-absorbing hole is 0.8mm~3mm；Or the ternary wind turbine erects
It directly is arranged in the cabinet, the aperture of first sound-absorbing hole is 1mm~5mm；The noise reduction module is arranged on ternary wind
The lower section of machine, positioned at the bottom of housing.
In order to which oil smoke is preferably inducted into ternary wind turbine, increase the centrifugation supercharging effect on front side of ternary wind wind turbine, drop
Low pressure loss, wind deflector is provided on front side of the ternary wind turbine, and the wind deflector includes what is be adapted to the cavity in housing
Main body, the periphery of the main body at least partly bend to the front side of housing and are formed and hold together smoke chamber, offered in the main body and three
The air guide hole of the air inlet adaptation of first wind turbine.
To increase the effect of water conservancy diversion noise reduction, the bottom angled of the main body has extended to form forward downwards cover board, the lid
Plate is close or is close to the top of noise reduction module.
Further to reduce noise on the noise transmission path of ternary wind turbine, the rear side of the main body of the wind deflector is located at
Position below ternary wind turbine has attached the second acoustical cotton.
For cause in noise spectrum for the part of human ear sensitivity reduce, the ternary wind turbine be in horizontal direction obliquely
Arrangement, the air inlet of the ternary wind turbine are provided with afflux circle, and the afflux circle includes outer ring and is arranged on outer ring towards three
The inner ring of inside in first wind turbine, the inner ring includes isolation face and the inner ring stationary plane positioned at isolation face outer circumferential, described
Sound-absorption hole is densely covered on isolation face.
Noise reduction is influenced for grease is avoided to enter noise reduction module after detaching, the bottom part down of the housing is provided with lubricating cup, institute
It states and at least one first oil dripping hole is offered on the bottom of noise reduction module, the bottom of the housing offers the second oil dripping hole, institute
It states the first oil dripping hole and the second oil dripping hole is corresponding with lubricating cup.
Compared with prior art, the utility model has the advantage of：When range hood does not work, smoke deflector is closed can be with
Hide the strainer and blower fan system compared with greasy dirt so that range hood keeps neat and tidy；When range hood works, smoke deflector is beaten
Drainage can be played the role of to the air of casing peripheral by opening, can be to carrying out effective Ground Split rectification by the air-flow of outer rectifier
With guiding, turbulent flow and sinuous flow in air-flow are reduced, forms smooth-going air-flow, it, can be compared with that is, increase the collection cigarette area of housing
Improve the smoke discharging effect of range hood well；By using ternary wind turbine, blower fan structure is compact, and size is relatively small, wind turbine effect
Rate and wind pressure are high, and the suction gradient of generation is big, can be so that smoking efficiency is significantly promoted；And the arrangement of ternary wind turbine can subtract
Few resistance of ducting, smoke evacuation are more smooth；By setting noise reduction module, the full frequency band noise of high frequency, intermediate frequency and low frequency can be absorbed, is kept away
Exempt from the normal use of influence range hood.
Description of the drawings
Fig. 1 is the schematic diagram of one embodiment of the range hood of the utility model；
Fig. 2 is the 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 structure diagram of the range hood of Fig. 1；
Smoke deflectors and its driving mechanism and transmission mechanism schematic diagram of the Fig. 6 for the range hood of Fig. 1；
Fig. 7 is the decomposition texture schematic diagram of Fig. 6；
Fig. 8 is the noise reduction module schematic diagram of the range hood of the utility model；
Fig. 9 is the decomposition texture schematic diagram of the noise reduction module of the range hood of the utility model；
Figure 10 is the sectional view along A-A of the noise reduction module of Fig. 8；
Figure 11 is the B-B direction sectional view of the noise reduction module of Fig. 8；
Figure 12 is the cross section view of the noise reduction module of Fig. 8
Figure 13 is the schematic diagram of second embodiment of the range hood of the utility model；
Figure 14 is the sectional view of the range hood of Figure 13；
Figure 15 is the decomposition texture schematic diagram of the range hood of Figure 13；
Figure 16 is the schematic diagram of the afflux circle of the ternary wind turbine of the range hood of embodiment two；
Figure 17 is the decomposition texture schematic diagram of the afflux circle of Figure 16；
Figure 18 is the sectional view of the third embodiment of the range hood of the utility model；
Figure 19 is the decomposition texture schematic diagram of the range hood of Figure 18；
Figure 20 is the schematic diagram of the 4th embodiment of the range hood of the utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing embodiment.
Referring to Fig. 1~Fig. 7, a kind of near-suction type oil smoke suction machine, including housing 1, for ease of description, hereinafter, " preceding ",
" rear ", "left", "right", " on ", " under " each mean user when using range hood, range hood relative to user side
Position, and structure is not limited.
In the present embodiment, housing 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
It gradually tilts backwards and (is tilted with horizontal direction) up to lower, so as to be inclined surface towards the front side of user.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.
Panel 14 is provided between two 11 front ends of the first side plate, panel 14 includes positioned at inner panel 142 and is 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 housing,
And it is closed 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.
14 front side of panel is provided with shape, the size fit of smoke deflector 15, smoke deflector 15 and inner panel 142, 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 forms air intake passage 150, and oil smoke is entered from opening 141 in housing 1 from the air intake passage 150 after.Panel
14 and the inclination at an angle to the horizontal direction of smoke deflector 15.
Smoke deflector 15 can be fixedly connected with housing 1, be detachably connected or be flexibly connected.In the present embodiment, it is preferred that
Smoke deflector 15 is flexibly connected with housing 1, can be moved relative to panel 14.Smoke deflector 15 passes through driving mechanism 151 and transmission mechanism 152
It is flexibly connected with housing 1.Preferably, driving mechanism 151 is electric pushrod, is arranged on the left and right wherein side in housing 1.It passes
Motivation structure 152 includes sliding rail rack 1521, sliding rail 1522, connecting rod 1523, connecting rod 1524, drive link 1525 and connecting bracket
1526, wherein, sliding rail rack 1521, sliding rail 1522 and connecting rod 1523 form a combination, have two groups of combinations of the above, respectively
It is arranged on the left and right sides in housing 1.In each group, sliding rail rack 1521 is towards the housing 1 in the outside of housing 1 and corresponding position
The connection of the first side plate 11 fix, sliding rail 1522 is arranged on sliding rail rack 1521 far from the first side plate 11 (towards in housing 1)
Side, and connecting rod 1523 is arranged on side of the sliding rail 1522 far from sliding rail rack 1521, and connecting rod 1523 and sliding rail rack
1521 are slidably connected.The first end of connecting rod 1523 is connect with smoke deflector 15 towards the side in housing 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, angle of inclination and panel 14 and smoke deflector 15
Angle of inclination it is consistent.
With being provided with above-mentioned connecting rod is rotatably connected on one of connecting rod 1523 of 151 corresponding position of driving mechanism
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 link 1525, and the other end of drive link 1525 is connect with the output terminal of electric pushrod 151, even
The one end for connecing stent 1526 is rotatably connected on position between the both ends of drive link 1525, the other end then with the housing of corresponding position
1 the first side plate 11 connection is fixed, and is used with the rotation axis for making drive link 1525.
When range hood works, driving mechanism 151 starts, by drive link 1525 and one end that driving mechanism 151 is connect to
Post-tensioning, drive link 1525 is centered on 1526 junction of connecting bracket by with rotating at this time, with one end that connecting rod 1524 is connect 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 housing 1.Range hood stops
During work, smoke deflector 15 is returned to close 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 caused to form flat plane.
The smoke deflector 15 of setting flexible with respect to panel 14 by doing so, can be to the air-flow by outer rectifier during opening
Effective Ground Split rectification and guiding are carried out, reduces turbulent flow and sinuous flow in air-flow, forms smooth-going air-flow；During closing, it can hide
Compared with the strainer and wind turbine of greasy dirt so that range hood seems neat and tidy, 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 16 in housing 1, strainer 16 can set corresponding with the opening of housing 1 141, can also be arranged on wind
The air inlet of machine system.The bottom of housing 1,13 bottom of back side panel and panel are connected with bottom plate 17 between 14 bottom.Above-mentioned
Side plate 11, top plate 12, back side panel 13, panel 14, smoke deflector 15 and bottom plate 17 collectively define the cavity in housing 1.
Blower fan system is arranged in housing 1, and in the present embodiment, blower fan system is ternary wind turbine 4, and ternary wind turbine 4 can be adopted
With the prior art, the blower fan structure as disclosed in the patent application No. is 201620102790.9 of the applicant, ternary wind
The air outlet of machine 4 is provided with outlet housing 5, for by the oil smoke discharge that ternary wind turbine 4 is discharged to wind pipe.Ternary wind turbine 4
Air inlet 41 is corresponding with the opening 141 on inner panel 142 before, and in the chamber that housing 1 is obliquely placed in horizontal direction
In vivo.
Since the noise of ternary wind turbine 4 is larger, and noise frequency range is wide, in the cavity of housing 1, is preferably located at ternary wind turbine
4 lower section is provided with noise reduction module 7, and referring to Fig. 8~12, noise reduction module 7 includes right baffle-plate 711, right shell body 712, front apron
713rd, rear baffle 714, bottom baffle 715 and top baffle 716, width of the top baffle 716 in front and rear direction are more than bottom baffle 715,
Front apron 713 from top to bottom gradually tilts backwards, and right baffle-plate 711 and right shell body 712 are in triangle substantially, thus above-mentioned each plate
The sound absorption back of the body chamber collectively formed is in triangulo column (up big and down small) substantially.Top baffle 716 gradually tilts upwards from front to back, with
The inclined direction of 4 bottom of ternary wind turbine is consistent, and preferred, and top baffle 716 is close or is close to the bottom of ternary wind turbine 4.
Noise reduction module 7 further includes intermediate bulkhead 72, first chamber partition board 73 and second chamber partition board 74.Intermediate bulkhead 72 is set
It puts and carries on the back intracavitary, and sound absorption back of the body chamber is divided into the first chamber 751 positioned at left side and the second chamber positioned at right side in sound absorption
752.Preferably, intermediate bulkhead 72 can be parallel with right baffle-plate 711 or right shell body 712, the first chamber that intermediate bulkhead 72 is separated into
Room 751 and second chamber 752 are equal.
First chamber partition board 73 is arranged in first chamber 751, and including at least two, each first chamber partition board 73 is on a left side
Extend between baffle 711 and intermediate bulkhead 72, and each first chamber partition board 73 from top baffle 716 from front to back diagonally downward
It is bent after extending certain distance towards rear baffle 714.One of first chamber partition board 73 is located at another first chamber partition board
73 lower section, each baffle and first chamber partition board 73 will from top to bottom be separated at least three first in first chamber 751 as a result,
Resonant cavity 761.
Second chamber partition board 74 is arranged in second chamber 752, and including at least one, second chamber partition board 74 is at middle interval
Extend between plate 72 and right shell body 712.One of second chamber partition board 74 can be bent downward from top baffle 716 extend into it is several
Section is parallel with front apron 713, rear baffle 714 and bottom baffle 715 respectively, and second chamber 752 thus is separated into two second and is total to
Shake chamber 762, i.e., second resonant cavity between the second chamber partition board 74, top baffle 716, intermediate bulkhead 72, right shell body 712
762, rest part then forms another the second resonant cavity 762.Can also in another resonant cavity 762 setting another the
Two compartment spacers 74 in tabular, extend between intermediate bulkhead 72 and right shell body 712, thus by another second resonance
Chamber 762 is divided into two.
At least two first sound-absorbing hole 771 and at least two second sound-absorbing hole 772 are offered on top baffle 716, first inhales
771 and second sound-absorbing hole 772 of acoustic aperture is distributed in the top of first chamber 751 and second chamber 752, it is preferred that the first sound absorption
Hole 771 can be in array-like, be covered with the surface of top baffle 716, and 772 surface straggly for being arranged in top baffle 716 of the second sound-absorbing hole.
First sound-absorbing hole 771 can be round hole, square hole, hex hole etc., and aperture is 0.5mm~1mm, this is because noise reduction mould
Block 7 is close or is close to ternary wind turbine 4, causes the spacing between noise reduction module 7 and ternary wind turbine 4 minimum, and noise frequency range is extremely wide, only
Have and reduce the diameter of the first sound-absorbing hole 771 within the above range, noise reduction module 7 could be caused to reach the sound absorption frequency range limit.The
The aperture of two sound-absorbing hole 772 is more than the first sound-absorbing hole 771.
Top baffle 716 has attached the first acoustical cotton 781 above, is offered on the first acoustical cotton 781 and the second sound-absorbing hole 772
Matched third sound-absorbing hole 773, so as to increase the acoustic absorptivity of low-frequency noise with sound absorption back of the body chamber cooperation.
Due on 4 lower section noise transmission path of ternary wind turbine, leftward position is mainly high-frequency noise, therefore above-mentioned first
The cavity volume of resonant cavity 761 is less than the second resonant cavity 762, i.e. the first resonant cavity 761 can increase the sound absorption system to high-frequency noise
Number, the second resonant cavity 762 are then semi-open space, increase the acoustic absorptivity to mid-frequency noise.This mazy resonant cavity
Increase the wide band sound absorption of acoustical cotton 78.
Alternatively, first chamber partition board 73 and second chamber partition board 74 or other shapes, as long as the can be separated
Space in one chamber 751 and second chamber 752, each resonant cavity after segmentation can be cuboid, cylinder, cone,
Irregular body etc..In addition, the surface of sound absorption back of the body intracavitary, each resonant cavity can also attach acoustical cotton.
In order to reduce absorbed noise frequency, micro-pore diameter is reduced, increases the spacing between adjacent cells, increase resonance
The height of chamber, the largest interval between each sound-absorbing hole preferably should be 1/5th of corresponding wave length of sound, preferably 8~
50mm, largest interval 70mm, the highly preferred of each resonant cavity should be 1/3rd of corresponding wave length of sound.
By above-mentioned arrangement, ternary wind turbine 4 has very well 4 radiated noise of ternary wind turbine close to noise reduction module 7
Inhibiting effect, it is and compact-sized.And the structure of noise reduction module 7, sound absorption frequency range greatly improved, can effectively absorb each frequency range
Noise.
At least one first oil dripping hole 7151 is offered on bottom baffle 715, the second oil dripping is offered on the bottom plate 17 of housing 1
Hole 171 (can be corresponding with the first oil dripping hole 7151, can not also correspond to), and the position of above-mentioned oil dripping hole (does not show with lubricating cup
Go out, lubricating cup can be arranged on the bottom of housing 1) position correspond to.Even if thus there is the grease after separation to enter noise reduction module 7,
Also can lubricating cup be discharged to by the first oil dripping hole 7151 and the second oil dripping hole 171, in order to avoid influence the noise reduction of noise reduction module 7.
Embodiment two
Referring to Figure 13~Figure 15, in the present embodiment, the difference lies in cabinet 2 includes four with above-described embodiment one
A second side plate 21, so as to surround the body structure that cross section is square or rectangular, the bottom opening of cabinet 2, so as to oil
After cigarette enters in the cavity in housing 1, it can enter in cabinet 2.
The air inlet 41 of ternary wind turbine 4 is in obliquely to be placed in cabinet 2 with horizontal direction before.Ternary wind turbine 4
Air inlet 41 at be provided with afflux circle 42.Ternary wind turbine 4 above puies forward arrangement in this way, realize directly inhale it is in line, negative pressuren zone concentrate, have
Help reduce the resistance of ducting, smoke evacuation is more smooth.
It since ternary wind turbine 4 is obliquely arranged in cabinet 2, does not block, therefore, the low frequency that ternary wind turbine 4 generates is made an uproar
Sound is easier to propagate outward.For this purpose, afflux circle 42 is preferred, using such as the application application No. is 201210230512.8 it is special
Form disclosed in profit, referring to Figure 16 and Figure 17, including outer ring 421 and inner ring 422, inner ring 422 is located at outer ring 421 towards three
Inside in first wind turbine 4, outer ring 421 include the wind-guiding face 4211 to be extended internally by air inlet 41 and positioned at wind-guiding faces 4211 weeks
Outward for fixed outer ring stationary plane 4212, inner ring 422 includes blocking turbulent area with being used for of coordinate of wind-guiding face 4211
Isolation face 4221 and positioned at isolation 4221 outer circumferential of face be used for fixed inner ring stationary plane 4222.The isolation face of inner ring 422
Densely covered sound-absorption hole 4223 on 4221.When the noise air-flow that ternary wind turbine 4 generates passes through sound-absorption hole 4223, pneumatic noise can be to height
Frequency displacement is moved so that the part of human ear sensitivity is reduced in noise spectrum.Suction can also be set between outer ring 421 and inner ring 422
Sound cotton.
In order to enable oil smoke can preferably be directed into ternary wind turbine, wind-guiding is provided between ternary wind turbine 4 and panel 14
Plate 6, wind deflector 6 include main body 61 and the top wind deflector 63 positioned at 61 top of main body.Wherein, main body 61 is plate-like, inclined direction
Consistent with ternary wind turbine 4, main body 61 is placed in housing 1 and cabinet 2, and air guide hole 611 is offered in main body 61, air guide hole 611
Shape, size are adapted to the air inlet of ternary wind turbine 4；Push up the second side of the wind deflector 62 by 61 top of main body towards 2 front side of cabinet
21 direction of plate bends and is formed, and connect fixation with the second side plate 21.Wind deflector 6 further include bottom angled from main body 61 to
Under the cover board 64 that extends forward, cover board 64 extends close to panel 14.Structure as wind deflector 6 as a result, forms cigarette
The oil smoke for entering diffusion in housing 1 from panel 14 can be guided to ternary wind turbine 4, improve smoking efficiency by chamber.Wind deflector 6 increases
The centrifugation supercharging effect of 4 front side of ternary wind turbine, reduces the pressure loss.
The top baffle 716 of noise reduction module 7 gradually tilts upwards from front to back, the inclination with ternary wind turbine 4 bottom, cover board 64
Direction is consistent, and preferred, and top baffle 716 is close or is close to the cover board 64 of wind deflector 6, thus increases the work of water conservancy diversion noise reduction
With.
In addition, this arrangement of ternary wind turbine 4, rotating speed is small, and negative pressuren zone is concentrated, and low-frequency noise is big, it is desirable that the sound absorption back of the body
Chamber it is highly preferred, be 8mm~20mm.
A diameter of 0.8mm~the 3mm of the first sound-absorbing hole 771 offered on top baffle 716, this is because noise reduction module 7
It is close or be close between cover board 64, with ternary wind turbine 4 have certain spacing, noise frequency range is wider, only by the first sound-absorbing hole
771 diameter reduces within the above range, and noise reduction module 7 could be caused to reach band limit.
Top baffle 716, the first acoustical cotton 781 and cover board 64 can be close to mutually.The rear side of the main body 61 of wind deflector 6 is located at three
The position of first 4 lower section of wind turbine can attach the second acoustical cotton 782, further be reduced on the noise transmission path of ternary wind turbine 4
Noise.
Embodiment three
Referring to Figure 18 and Figure 19, in the present embodiment, the difference lies in ternary wind turbine 4 with above-described embodiment two
Air inlet 41 is vertically placed in before in cabinet 2.The arrangement of this wind turbine, low-frequency noise are blocked, therefore nothing
Sound-absorption hole 4223 need to be opened up on afflux circle 42 and carrys out conversion noise frequency.In addition, the ternary wind turbine 4 arranged vertically, diameter is big
Tilting ternary wind turbine 4 in embodiment two, to make up the flow losses of air-flow steering, it is preferred that ternary wind turbine 4 at this time
A diameter of 220mm~300mm.
Main body 61 bends certain distance rear-inclined in 1 inside points of housing and bends downward to form bending part 612 backward, above-mentioned master
The bending part 612 of body 61 is located at the lower section of ternary wind turbine 4；Wind deflector 6 is further included by the bottom angled of the bending part 612 of main body 61
The cover board 64 extended forward downwards, cover board 64 extend close to panel 14.
In addition, this arrangement of ternary wind turbine 4, rotating speed is high, and high-frequency noise is big, it is desirable that the height of sound absorption back of the body chamber is more
Greatly, it is preferred that be 15mm~28mm.
Since noise reduction module 7 is more far from ternary wind turbine, the first sound-absorbing hole 771 offered on top baffle 716
The diameter of first sound-absorbing hole 771 is only reduced within the above range, could cause noise reduction module 7 by a diameter of 0.8mm~3mm
Reach band limit.
The position that the rear side of the bending part 612 of the main body 61 of wind deflector 6 is located at 4 lower section of ternary wind turbine can attach the second suction
Sound cotton 782 further reduces noise on the noise transmission path of ternary wind turbine 4.
Example IV
Referring to Figure 20, in the above-described embodiments, smoke deflector 15 is rectangular, and in the present embodiment, smoke deflector 15 is in ellipse
Shape, alternatively, smoke deflector 15 can also be rounded, rectangular etc..
Above-mentioned wind deflector 6 can be used in embodiment one.
Claims (17)
1. a kind of near-suction type oil smoke suction machine, including housing (1) and blower fan system, the housing (1) includes be located at front end and water
Square to inclined panel (14), offer opening (141) on the panel (14) and as the air inlet of range hood,
It is characterized in that：The blower fan system is ternary wind turbine (4), and smoke deflector (15) is provided on front side of the panel (14), described to lead
Interval between cigarette plate (15) and panel (14) forms air intake passage (150), and the air intake passage (150) is by being open (141)
And it is connected with housing (1).
2. near-suction type oil smoke suction machine according to claim 1, it is characterised in that：It further includes to drive the smoke deflector
(15) driving mechanism (151) of action and transmission mechanism (152) so that the smoke deflector (15) can stretch panel (14) relatively,
So as 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 fixed with the connection of corresponding housing (1) part, the cunning
Rail (1522) is arranged on side of the sliding rail rack (1521) towards housing (1), one end of the connecting rod (1523) and smoke deflector
(15) towards the side connection in housing (1), the connecting rod (1523) and one of sliding rail (1522) far from sliding rail rack (1521)
Slideslip connect, the driving mechanism (151) for drive one of connecting rod (1523) along corresponding sliding rail (1522) move
It is dynamic.
4. near-suction type oil smoke suction machine according to claim 3, it is characterised in that：The driving mechanism (151) pushes away to be electronic
Bar, the left and right wherein side being arranged in housing (1), the transmission mechanism (152) further include connecting rod (1524), drive link
(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 link (1525), and the other end of the drive link (1525) is pushed away with electronic
The output terminal connection of bar, one end of the connecting bracket (1526) is rotatably connected on the position between the both ends of drive link (1525)
It puts, the other end of the connecting bracket (1526) then connect fixation with housing (1).
5. near-suction type oil smoke suction machine according to claim 1, it is characterised in that：It is provided with to drop in the housing (1)
The noise reduction module (7) for the noise that low ternary wind turbine (4) generates, multiple gears of the noise reduction module (7) including forming the back of the body chamber that absorbs sound
Plate and the sound-absorbing hole for being opened in sound absorption back of the body top of chamber.
6. near-suction type oil smoke suction machine according to claim 5, it is characterised in that：The composition sound absorption of the noise reduction module (7)
The baffle for carrying on the back chamber includes right baffle-plate (711), right shell body (712), front apron (713), rear baffle (714), bottom baffle (715) and top
Baffle (716), width of the top baffle (716) in front and rear direction be more than bottom baffle (715), the top baffle (716) by
Front to back gradually tilts upwards, and sound-absorbing hole is offered on the top baffle (716).
7. near-suction type oil smoke suction machine according to claim 6, it is characterised in that：The sound absorption back of the body intracavitary is provided with middle interval
Plate (72) and be separated into positioned at the first chamber (751) of arranged on left and right sides and second chamber (752), in the first chamber (751)
It is provided with first chamber partition board (73) and first chamber (751) is separated at least two first resonant cavities (761), described second
It is provided with second chamber partition board (74) in chamber (752) and second chamber (752) is separated at least two second resonant cavities
(762)。
8. near-suction type oil smoke suction machine according to claim 7, it is characterised in that：The cavity of first resonant cavity (761)
Volume is less than the second resonant cavity (762).
9. near-suction type oil smoke suction machine according to claim 5, it is characterised in that：The sound-absorbing hole includes at least two first
Sound-absorbing hole (771) and at least two second sound-absorbing hole (772), the aperture of second sound-absorbing hole (772) are more than the first sound-absorbing hole
(771)。
10. near-suction type oil smoke suction machine according to claim 9, it is characterised in that：Baffle at the top of the noise reduction module (7)
On attached the first acoustical cotton (781), offered on first acoustical cotton (781) and the second sound-absorbing hole (772) matched
Three sound-absorbing hole (773).
11. near-suction type oil smoke suction machine according to claim 9, it is characterised in that：The ternary wind turbine (4) in level side
To being obliquely arranged in the housing (1), air inlet (41) and the opening on panel (14) of the ternary wind turbine (4)
(141) corresponding, the noise reduction module (7) is arranged on the lower section of ternary wind turbine (4) and close or be close to ternary wind turbine (4), institute
The aperture for stating the first sound-absorbing hole (771) is 0.5mm~1mm.
12. near-suction type oil smoke suction machine according to claim 9, it is characterised in that：Cabinet is provided with above the housing (1)
(2), the ternary wind turbine (4) with horizontal direction in being obliquely arranged in cabinet (2), the hole of first sound-absorbing hole (771)
Diameter is 0.8mm~3mm；Or the ternary wind turbine (4) is vertically disposed in the cabinet (2), first sound-absorbing hole
(771) aperture is 1mm~5mm；The noise reduction module (7) is arranged on the lower section of ternary wind turbine (4), positioned at the bottom of housing (1)
Portion.
13. near-suction type oil smoke suction machine according to claim 12, it is characterised in that：It is set on front side of the ternary wind turbine (4)
It is equipped with wind deflector (6), the wind deflector (6) includes the main body (61) that is adapted to the cavity in housing (1), the main body (61)
At least partly lateral bending is rolled over and is formed and hold together smoke chamber forward on periphery, and the air inlet with ternary wind turbine (4) is offered on the main body (61)
(41) air guide hole (611) of adaptation.
14. near-suction type oil smoke suction machine according to claim 13, it is characterised in that：The bottom angled of the main body (61) to
Under extended to form cover board (64) forward, the cover board (64) is close or is close to the top of noise reduction module (7).
15. near-suction type oil smoke suction machine according to claim 13, it is characterised in that：The main body (61) of the wind deflector (6)
The position that is located at below ternary wind turbine (4) of rear side attached the second acoustical cotton (782).
16. near-suction type oil smoke suction machine according to claim 12, it is characterised in that：The ternary wind turbine (4) in level
Direction is obliquely arranged, afflux circle (42), afflux circle (42) packet are provided at the air inlet (41) of the ternary wind turbine (4)
It includes outer ring (421) and is arranged on inner ring (422) of the outer ring (421) towards the inside in ternary wind turbine (4), the inner ring (422)
Including isolation face (4221) and the inner ring stationary plane (4222) positioned at isolation face (4221) outer circumferential, the isolation face (4221)
On be densely covered with sound-absorption hole (4223).
17. near-suction type oil smoke suction machine according to claim 5, it is characterised in that：The bottom part down setting of the housing (1)
There is lubricating cup (3), at least one first oil dripping hole (7151) is offered on the bottom of the noise reduction module (7), the housing (1)
Bottom offers the second oil dripping hole (171), and first oil dripping hole (7151) and the second oil dripping hole (171) are corresponding with lubricating cup (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721288358.4U CN207527657U (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 |
|---|---|---|---|
| CN201721288358.4U CN207527657U (en) | 2017-09-30 | 2017-09-30 | A kind of near-suction type oil smoke suction machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207527657U true CN207527657U (en) | 2018-06-22 |
Family
ID=62568676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721288358.4U Withdrawn - After Issue CN207527657U (en) | 2017-09-30 | 2017-09-30 | A kind of near-suction type oil smoke suction machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207527657U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109028239A (en) * | 2018-10-08 | 2018-12-18 | 杭州老板电器股份有限公司 | Smoke collecting device and kitchen ventilator |
| CN109595635A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of near-suction type oil smoke suction machine |
| CN110748931A (en) * | 2018-07-24 | 2020-02-04 | 深圳富桂精密工业有限公司 | Smoke exhaust ventilator |
-
2017
- 2017-09-30 CN CN201721288358.4U patent/CN207527657U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595635A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of near-suction type oil smoke suction machine |
| CN109595635B (en) * | 2017-09-30 | 2023-11-24 | 宁波方太厨具有限公司 | Near-suction type range hood |
| CN110748931A (en) * | 2018-07-24 | 2020-02-04 | 深圳富桂精密工业有限公司 | Smoke exhaust ventilator |
| CN109028239A (en) * | 2018-10-08 | 2018-12-18 | 杭州老板电器股份有限公司 | Smoke collecting device and kitchen ventilator |
| CN109028239B (en) * | 2018-10-08 | 2024-04-26 | 杭州老板电器股份有限公司 | Fume collecting device and range hood |
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