CN106123078B - Combined blowing-sucking type range hood - Google Patents
Combined blowing-sucking type range hood Download PDFInfo
- Publication number
- CN106123078B CN106123078B CN201610705210.XA CN201610705210A CN106123078B CN 106123078 B CN106123078 B CN 106123078B CN 201610705210 A CN201610705210 A CN 201610705210A CN 106123078 B CN106123078 B CN 106123078B
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- China
- Prior art keywords
- air
- oil
- air curtain
- smoke exhaust
- smoke
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F24C15/2028—Removing cooking fumes using an air curtain
-
- 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
- F24C15/2021—Arrangement or mounting of control or safety systems
Abstract
The invention discloses a combined blowing and sucking range hood, which comprises a range hood shell and a hearth air supplement device, wherein an inner shell is arranged in the range hood shell at intervals, a smoke collection cavity is arranged at an air suction opening of the inner shell, an oil filter screen is arranged in the inner shell at the top of the smoke collection cavity, the bottom surface of an oil collecting groove of the oil filter screen is obliquely arranged with a horizontal plane, an oil cup is slidably inserted in a groove on the side surface of the smoke collection cavity, an air exhaust opening is arranged at the top of the range hood shell, a smoke exhaust fan is arranged in the range hood shell, an air outlet of the smoke exhaust fan is communicated with an inlet of an air exhaust pipeline arranged through the air exhaust opening, the hearth air supplement device comprises a static pressure box for supporting a gas stove, air curtain vertical pipes are respectively fixed at the left side and the right side of the static pressure box, the two air curtain vertical pipes are respectively. This device can be fast with the pollutant discharge indoor.
Description
Technical field
The present invention relates to a kind of smoke exhaust ventilator, more particularly to a kind of combination blowing and drawing type smoke exhaust ventilator.
Background technology
With pursuit of the development and people of urbanization to good cooking environments, family kitchen is typically equipped with kitchen ventilator.
Due to operating space demand, there are 65-80 centimetres of setting height(from bottom) between kitchen ventilator and gas kitchen range.And the trapping energy of kitchen ventilator
Effect area be have it is a certain range of, generally below kitchen ventilator in 40-45 cm sections.So that kitchen ventilator can not suck culinary art comprehensively
With fuel combustion caused by oil smoke and other pernicious gases, the little particle particularly splashed.Further, since country saves building
The requirement of energy, the seal of kitchen building enclosure are become better and better.On the other hand since culinary art is accustomed to and prevents oil smoke to other rooms
Between spread, the person of cooking a meal generally can close backstairs.Influenced by outdoor climate and air quality, the person of cooking a meal can also close window sometimes.
The benefit wind requirement of kitchen ventilation systems can not often be met by mending wind by nature at this time.And in the case where wind is mended in windowing, it is extraneous
Circulating pathway influence of the unstable air-flow flowing on oil smoke is very big, causes oil smoke diffusion excessive.What is more, in some high residential buildings
In, kitchen is not provided with window and carries out benefit wind, can only carry out benefit wind by kitchen crack between a door and its frame.Since outdoor fresh air fills into not in time,
Cause smoke exhaust ventilator to be in empty to take out.The substantial amounts of flue gas not excluded can influence the health of people, while can pollute kitchen wall
Body and kitchen furniture etc..
In order to further improve range hood effect, someone employs combination air curtain type fume exhaustor or air curtain diaphragm type
Gas-cooker.But these systems are all to take a breath indoors, influence indoor air quality, while do not account for filling into outdoor wind
Importance.Practical operation is all useless to play good smoke discharging effect.Also patent provides outdoor inlet air flue gas removing device, such as
The utility model patent of Patent No. CN203964104U " outdoor inlet air flue gas removing device ", work of the outdoor air in exhaust fan
Under, vertical annular air curtain is formed between cooking stove and kitchen ventilator.But there is also shortcomings, the air curtain on not to examine
Worry and the matching of kitchen ventilator air port are standby, and vertical air curtain impacts smoke collecting chamber outer upwards, mix the air-flow fork of folder pollutants from cooking fume
It is excessive to cause secondary pollution.On the other hand, wind is mended in hearth front vertical, undressed summer hot wind and Winter Cold Wind Infiltration Of all can
Influence the Thermal comfort for the person of cooking a meal.Totally enclosed annular airflow can significantly influence the benefit of oxygen during fuel gas buring at the same time
Fill, trigger imperfect combustion, on the one hand influence the requirement in cooking process to calorific value, it is substantial amounts of on the other hand to induce generation
CO, so as to influence indoor air quality and health.
The content of the invention
It is an object of the invention to overcome the shortcomings of prior art, there is provided a kind of low noise, air-flow are controllable, air quantity is stable,
Oil smoke arresting efficiency is high, easy care and does not influence cooking operation and the combination blowing and drawing type smoke exhaust ventilator of combustion gas completely burned.
In order to achieve the above object, the technical solution adopted by the present invention is：
One kind combination blowing and drawing type smoke exhaust ventilator, including the kitchen ventilator housing on side wall above hearth, described
Control system is installed, the control system includes controller, it further includes hearth air compensation device, in institute on kitchen ventilator housing
Interval is provided with inner casing in the kitchen ventilator housing stated, and smoke collecting chamber, the collection cigarette are provided with the inlet scoop of the inner casing
Bottom of chamber portion leads to be fixedly linked with kitchen ventilator inner walls, and oil cleaner screen is provided with the inner casing at the top of the smoke collecting chamber, described
Oil cleaner screen be raised type positive cone oil network, the bottom surrounding of the oil cleaner screen is oil trap, the oil-collecting of the oil cleaner screen
The bottom surface of groove is obliquely installed with horizontal plane, downside is provided with oil outlet in the inclined bottom surface of the oil trap, described
The lubricating cup for the liquid for collecting oil outlet outflow is provided with below oil outlet, the lubricating cup slides and is inserted in smoke collecting chamber side
In one groove, exhaust outlet is provided with the top of the kitchen ventilator housing, the row of being provided with the kitchen ventilator housing
Cigarette wind turbine, the smoke exhaust fan are the double air intake centrifugal wind turbines of multiple wing type, and the air outlet of the smoke exhaust fan is with passing through air draft
The import for the exhaust duct that mouth is set is connected, the outlet access flue of the exhaust duct, in the kitchen ventilator housing
Particulate matter quality concentration sensor is installed on indoor side plate, the controller is connected with particulate matter quality concentration sensor,
PM2.5 for receiving particulate matter quality concentration sensor counts weight the feedback signal of concentration, the controller and smoke exhaust fan
It is connected by control line, to send operating instruction to smoke exhaust fan, the hearth air compensation device is U-shaped structure, the stove
Platform air compensation device includes the plenum chamber of support gas-cooker, is vertically fixed with respectively at left and right sides of the plenum chamber
Air curtain vertical tube, the air curtain vertical tube described in two connect setting with plenum chamber respectively, and the plenum chamber bottom air inlet mouth is by sending
Wind pipeline is sequentially connected pressure fan and outdoor intake stack, is isoceles triangle cone structure at the top of the air curtain vertical tube, two
It is spaced and parallel on the inner side conical surface of a isoceles triangle cone structure to be provided with multiple side slat seam air outlets, side slat seam outlet air
Mouth and the angle of plane where hearth are 45-60 degree, and air curtain controller, the air curtain are provided with the air curtain vertical tube
Controller is connected to control pressure fan start and stop by control line with pressure fan, is pacified in the air curtain vertical tube front and rear sides described in two
Equipped with an air curtain stent.
Compared with prior art, the invention has the advantages that：
(1) convergent type air curtain can be formed by blowing under hearth, the buffer action of traditional air curtain can not only be played, mend wind
It can also accelerate the Involving velocity to cooking pollutant and convergence acts on and converges in pollutant in one less scope, pollute
Thing is subject to the positive pressure for mending wind to converge to immediately below exhaust outlet, then is subject to the suction function of air draft, so as to will quickly pollute
Thing excludes indoor.(2) the installation punch position of air curtain is consistent with gas-cooker, easy for installation, while also allows for current hearth and oil
The transformation of smoke machine.(3) blowing and sucking kitchen ventilator from gas-cooker both sides carry out mend wind be different from totally enclosed hearth air curtain, the device is not
The air needed for fuel combustion can be reduced, while obvious blowing feeling will not be brought to the person of cooking a meal.(4) blowing and drawing ventilation and single wind
Identical arresting efficiency is realized under system, its air draft air quantity can greatly reduce.Therefore the exhaust air rate of kitchen ventilator can be corresponding
Reduction, so as to reduce noise and the energy consumption that exhaust fan is brought, achieve the purpose that energy-saving and emission-reduction and reduce noise.(5) hide
Formula lubricating cup can reduce turbulence, lifting air quantity and reduction noise to avoid the interference in air flow as caused by tradition exposed lubricating cup.
(6) back taper smoke collecting chamber and inversion oil network, by smoke collecting chamber depth down to 150mm, can effectively solve tablet smoke machine oil fume outer-runaway hardly possible
Topic.(7) PM2.5 mass concentration sensors are carried, PM concentration in kitchen can be measured in real time, and show currently in kitchen ventilator panel
Value, effectively perceive indoor air quality.(8) benefit wind air curtain apparatus agent structure is simple, and appearance air is easy for assemble or unload.(9)
Mend and dust board is installed above wind air port, shut when without using air curtain, it is possible to reduce dust accumulation in pipe.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of present example or technical solution of the prior art
Attached drawing is briefly described needed in technology description, and drawings in the following description are only a kind of implementation of the present invention
Example, for ordinary people in the field, without creative efforts, can also obtain it according to these attached drawings
His attached drawing.
Fig. 1 is a kind of structure diagram in the parallel hearth direction of combination blowing and drawing type smoke exhaust ventilator of the present invention；
Fig. 2 is a kind of structure diagram in the vertical hearth direction of combination blowing and drawing type smoke exhaust ventilator of the present invention；
Fig. 3-1 is a kind of structure diagram of the raised type positive cone oil network of combination blowing and drawing type smoke exhaust ventilator of the present invention；
Fig. 3-2 is the top view of the raised type positive cone oil network shown in Fig. 3-1；
Fig. 4 is a kind of dimensional structure diagram of the benefit wind air curtain apparatus of combination blowing and drawing type smoke exhaust ventilator of the present invention；
Fig. 5 is a kind of front view of the benefit wind air curtain apparatus of combination blowing and drawing type smoke exhaust ventilator of the present invention；
Fig. 6 is a kind of top view of the outdoor benefit wind air curtain apparatus of combination blowing and drawing type smoke exhaust ventilator of the present invention；
Fig. 7 is a kind of air compensation device honeycomb plate structure schematic diagram of combination blowing and drawing type smoke exhaust ventilator of the present invention；
Fig. 8 is a kind of benefit wind tuyere structure schematic diagram of combination blowing and drawing type smoke exhaust ventilator of the present invention；
Fig. 9 is a kind of simulation air flow vector figure for combining blowing and drawing type smoke exhaust ventilator provided in an embodiment of the present invention；
Figure 10 is a kind of simulating pollution thing distribution map for combining blowing and drawing type smoke exhaust ventilator provided in an embodiment of the present invention.
Embodiment
With reference to specific embodiments and the drawings, the present invention will be described in detail.
A kind of combination blowing and drawing type smoke exhaust ventilator of the present invention as shown in drawings, it includes hearth air compensation device and is installed on
Kitchen ventilator housing 11 on 5 top side wall of hearth, is provided with control system, the control on the kitchen ventilator housing 11
System includes controller 23, and interval is provided with inner casing in the kitchen ventilator housing 11, in the inlet scoop 12 of the inner casing
Place is provided with smoke collecting chamber 9, and 9 bottom of smoke collecting chamber leads to be fixedly linked with 11 inner wall of kitchen ventilator housing, in the inner casing at the top of smoke collecting chamber 9
Oil cleaner screen 13 is provided with, the oil cleaner screen 13 is the positive cone oil network of raised type, and the bottom surrounding of the oil cleaner screen 13 is collection
Oil groove, the bottom surface of the oil trap of the oil cleaner screen 13 are obliquely installed with horizontal plane, the oil trap inclined bottom surface to
Downside is provided with oil outlet, and the lubricating cup 10 for the liquid for collecting oil outlet outflow, institute are provided with below the oil outlet
The lubricating cup 10 stated is slided and is inserted in a groove of 9 side of smoke collecting chamber.
The top of the kitchen ventilator housing 11 is provided with exhaust outlet 15, is provided with the kitchen ventilator housing 11
Smoke exhaust fan 14, the smoke exhaust fan 14 are the double air intake centrifugal wind turbines of multiple wing type, the air outlet of the smoke exhaust fan 14 with
The import of the exhaust duct 16 set through exhaust outlet 15 is connected, the outlet access flue of the exhaust duct 16.
Particulate matter quality concentration sensor 22, the controller are installed on the indoor side plate of the kitchen ventilator housing
23 are connected with particulate matter quality concentration sensor, and the PM2.5 for receiving particulate matter quality concentration sensor counts weight the anti-of concentration
Feedback signal, the controller 23 are connected with smoke exhaust fan 14 by control line, to send operating instruction to smoke exhaust fan 14.Can
To send weak, middle and high third gear air quantity, to meet that exhaust air rate more than the requirement for mending air quantity, reaches energy saving under different culinary art intensity
Purpose.Contrasted by experimental simulation, the present invention is set as 10m in its exhaust air rate3During/h, its arresting efficiency can be more than air draft
Measure as 15m3Traditional kitchen ventilator of/h.
The hearth air compensation device is U-shaped structure, and the hearth air compensation device includes the static pressure of support gas-cooker 6
Case 4, is vertically fixed with air curtain vertical tube 7, the air curtain vertical tube 7 described in two respectively in the left and right sides of plenum chamber 4
Setting is connected with plenum chamber 4 respectively, the 4 bottom air inlet mouth of plenum chamber is sequentially connected pressure fan 2 and room by air supply duct 3
External air inlet pipeline 1, the top of air curtain vertical tube 7 is isoceles triangle cone structure, in two isoceles triangle cone structures
It is spaced and parallel on the conical surface of side to be provided with multiple side slat seam air outlets 8, side slat seam air outlet 8 and the folder of plane where hearth
Angle a is 45-60 degree, and optimal angle is 55 degree.
Air curtain controller 24 is installed on the air curtain vertical tube 7, the air curtain controller 24 by control line with
Pressure fan 2 is connected to control pressure fan start and stop.
It is preferred that the length of plenum chamber is consistent with the length of gas-cooker, specific length can be carried out with the gas-cooker of different model
Replace, facilitate perforate to install, the air curtain vertical tube 7 is connected by clip 18 and plenum chamber 4, to be easy for installation, described
7 front and rear sides of air curtain vertical tube are mounted on an air curtain stent 17, are widened the view by hearth 5, and air curtain vertical tube 7 is connected to hearth 5
On.21 is are placed on the pot on gas-cooker in figure, and the benefit wind air curtain apparatus agent structure is simple, appearance air, installing and dismounting
It is convenient.The benefit wind carried out at the same time by gas-cooker both sides is different from totally enclosed hearth air curtain, which will not reduce fuel combustion
Required air, while obvious blowing feeling will not be brought to the person of cooking a meal.During operation, the indoor benefit wind of the benefit wind air curtain apparatus
Air quantity is designed as 120-180m3/h。
14 vertical display of smoke exhaust fan is installed in kitchen ventilator housing 11, and inlet air eliminates electricity without dead angle before and after guarantee
Energy imbalance in machine operation process, can effectively reduce the service life of Noise enhancement wind turbine.
It is preferred that stream cellular board 20 is installed in the horizontal direction in the air curtain vertical tube 7, to realize both sides side slat seam
The uniform outlet air of air outlet 8.
It is preferred that shaft is installed on the lateral wall of isoceles triangle cone structure, the top of dust board 19 and the shaft
It is rotatedly connected and can be covered on the side slat seam air outlet 8, is shut when without using air curtain, reduce pipe inner product
Dirt.
Preferable kitchen ventilator housing 11 uses stainless steel material.Effectively reduce the corrosion of soot gas, convenient cleaning.
According to Fig. 9 it can be seen that the air-flow blown from side slat seam air outlet 8 can form obvious air curtain in gas-cooker both sides.
According to Figure 10 it can be seen that the air curtain air flow structure that both sides are stablized so that under pollutant can be effectively controlled kitchen ventilator just
Side, avoids excessive from outside.In addition the Involving velocity of jet stream can also accelerate the course of conveying of oil smoke from the bottom up, accelerate flue gas
Toward outdoor discharge.
Although above in conjunction with attached drawing, invention has been described, and the invention is not limited in above-mentioned specific implementation
Mode, the benefit wind air curtain in the invention can equally apply to the smoke exhaust ventilator of other top row formulas, can still play raising oil
The effect of cigarette arresting efficiency.But due to the inlet scoop of corresponding kitchen ventilator can not be harmonious with inlet scoop work, its act on
Effect can be weaker than the combination blowing and drawing type smoke exhaust ventilator of the invention.
Claims (6)
1. one kind combination blowing and drawing type smoke exhaust ventilator, including the kitchen ventilator housing on side wall above hearth, in the oil
Control system is installed, the control system includes controller on smoke machine housing, it is characterised in that：It further includes hearth and mends wind
Device, interval is provided with inner casing in the kitchen ventilator housing, and smoke collecting chamber, institute are provided with the inlet scoop of the inner casing
The smoke collecting chamber bottom stated leads to be fixedly linked with kitchen ventilator inner walls, and oil strain is provided with the inner casing at the top of the smoke collecting chamber
Net, the oil cleaner screen are the positive cone oil network of raised type, and the bottom surrounding of the oil cleaner screen is oil trap, the oil cleaner screen
The bottom surface of oil trap be obliquely installed with horizontal plane, downside is provided with oil outlet in the inclined bottom surface of the oil trap,
The lubricating cup for the liquid for collecting oil outlet outflow is provided with below the oil outlet, the lubricating cup slides and is inserted in smoke collecting chamber
In one groove of side, exhaust outlet is provided with the top of the kitchen ventilator housing, is pacified in the kitchen ventilator housing
Equipped with smoke exhaust fan, the smoke exhaust fan is the double air intake centrifugal wind turbines of multiple wing type, and the air outlet of the smoke exhaust fan is with wearing
The import for crossing the exhaust duct of exhaust outlet setting is connected, the outlet access flue of the exhaust duct, in the kitchen ventilator
Particulate matter quality concentration sensor, the controller and particulate matter quality concentration sensor are installed on the indoor side plate of housing
It is connected, the PM2.5 for receiving particulate matter quality concentration sensor counts weight the feedback signal of concentration, the controller and smoke evacuation
Wind turbine is connected by control line, and to send operating instruction to smoke exhaust fan, the hearth air compensation device is U-shaped structure, described
Hearth air compensation device include the plenum chamber of support gas-cooker, it is vertically solid respectively at left and right sides of the plenum chamber
Surely there is air curtain vertical tube, the air curtain vertical tube described in two connects setting with plenum chamber respectively, and the plenum chamber bottom air inlet mouth leads to
Cross air supply duct and be sequentially connected pressure fan and outdoor intake stack, be isoceles triangle cone structure at the top of the air curtain vertical tube,
It is spaced and parallel on the inner side conical surface of two isoceles triangle cone structures to be provided with multiple side slat seam air outlets, side slat seam
Air outlet and the angle of plane where hearth are 45-60 degree, and air curtain controller is provided with the air curtain vertical tube, described
Air curtain controller is connected to control pressure fan start and stop by control line with pressure fan, in the air curtain vertical tube front and rear sides described in two
It is mounted on an air curtain stent.
2. combination blowing and drawing type smoke exhaust ventilator according to claim 1, it is characterised in that：Along water in the air curtain vertical tube
Square cellular board is flowed to being provided with.
3. combination blowing and drawing type smoke exhaust ventilator according to claim 1 or 2, it is characterised in that：In isoceles triangle cone structure
Lateral wall on shaft is installed, the top of dust board is rotatedly connected with the shaft and can be covered in the side slat
Stitch on air outlet.
4. combination blowing and drawing type smoke exhaust ventilator according to claim 1 or 2, it is characterised in that：The side slat seam air outlet
Angle with plane where hearth is 55 degree.
5. combination blowing and drawing type smoke exhaust ventilator according to claim 1, it is characterised in that：The air curtain vertical tube passes through clip
Connected with plenum chamber.
6. combination blowing and drawing type smoke exhaust ventilator according to claim 1, it is characterised in that：The kitchen ventilator housing is not using
Become rusty Steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610705210.XA CN106123078B (en) | 2016-08-22 | 2016-08-22 | Combined blowing-sucking type range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610705210.XA CN106123078B (en) | 2016-08-22 | 2016-08-22 | Combined blowing-sucking type range hood |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106123078A CN106123078A (en) | 2016-11-16 |
| CN106123078B true CN106123078B (en) | 2018-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610705210.XA Active CN106123078B (en) | 2016-08-22 | 2016-08-22 | Combined blowing-sucking type range hood |
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| CN (1) | CN106123078B (en) |
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| JP6671513B2 (en) * | 2017-01-06 | 2020-03-25 | 三菱電機株式会社 | Cooking device, ventilation system and exhaust method |
| CN106765415A (en) * | 2017-01-25 | 2017-05-31 | 天津大学 | Based on PM2.5 concentration and clearance control air quantity and the energy-conservation air-curtain type lampblack absorber closed |
| EP3358259B1 (en) * | 2017-02-02 | 2020-01-29 | Electrolux Appliances Aktiebolag | Kitchen assembly and method for generating an air stream |
| CN106964221B (en) * | 2017-04-25 | 2022-10-21 | 陈小平 | Novel household ecological device |
| CN107747741B (en) * | 2017-09-19 | 2024-03-08 | 吉林省福泰厨具有限公司 | Kitchen range and dining table |
| WO2019056654A1 (en) * | 2017-09-22 | 2019-03-28 | 徐志强 | Air apron electrostatic cleaning-free exhaust hood |
| CN110631081B (en) * | 2018-06-25 | 2021-12-10 | 青岛海尔智慧厨房电器有限公司 | Air curtain smoke exhaust ventilator |
| CN110631071A (en) * | 2018-06-25 | 2019-12-31 | 青岛海尔智慧厨房电器有限公司 | Air curtain kitchen range |
| CN109059052A (en) * | 2018-07-24 | 2018-12-21 | 珠海格力电器股份有限公司 | Burner and its control method, oxygen-enriched feeding assembly |
| CN108980938B (en) * | 2018-08-22 | 2023-02-24 | 珠海格力电器股份有限公司 | Lifting type air curtain flow guide device and range hood |
| CN109323313A (en) * | 2018-10-24 | 2019-02-12 | 郭宝军 | Totally-enclosed wind screen kitchen ventilator hearth plate |
| CN109681936A (en) * | 2018-12-27 | 2019-04-26 | 郭宝军 | The method and device of totally-enclosed air curtain is realized using blower |
| CN109654572A (en) * | 2019-02-21 | 2019-04-19 | 海信(广东)厨卫系统有限公司 | A kind of air curtain apparatus and kitchen ventilator for kitchen ventilator |
| CN109945266A (en) * | 2019-04-22 | 2019-06-28 | 孙善民 | A kind of balanced type pollutant cleaning systems |
| CN112264827A (en) * | 2020-10-15 | 2021-01-26 | 山东大学 | Dust absorption device for composite material part processing machine tool |
| CN114110691B (en) * | 2021-11-26 | 2023-12-05 | Tcl空调器(中山)有限公司 | Kitchen ventilation system and control method thereof |
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| JP2003207184A (en) * | 2002-01-11 | 2003-07-25 | Sekisui House Ltd | Air-supply outlet structure of supply and exhaust type kitchen ventilator |
| WO2009018679A1 (en) * | 2007-08-06 | 2009-02-12 | Acxing Industrial Co., Ltd. | Air curtain generating device |
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| CN103398405B (en) * | 2013-07-31 | 2016-01-20 | 上海多环油烟净化设备有限公司 | Double-standard Inner eycle clearing machine |
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Address after: 300452 Binhai Industrial Research Institute Campus of Tianjin University, No. 48 Jialingjiang Road, Binhai New Area, Tianjin Patentee after: Tianjin University Address before: 300072 Tianjin City, Nankai District Wei Jin Road No. 92 Patentee before: Tianjin University |