CN106765415A - Based on PM2.5 concentration and clearance control air quantity and the energy-conservation air-curtain type lampblack absorber closed - Google Patents
Based on PM2.5 concentration and clearance control air quantity and the energy-conservation air-curtain type lampblack absorber closed Download PDFInfo
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- CN106765415A CN106765415A CN201710056487.9A CN201710056487A CN106765415A CN 106765415 A CN106765415 A CN 106765415A CN 201710056487 A CN201710056487 A CN 201710056487A CN 106765415 A CN106765415 A CN 106765415A
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- lampblack absorber
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- oil smoke
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- 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
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- Combustion & Propulsion (AREA)
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Abstract
Air quantity is controlled and the energy-conservation air-curtain type lampblack absorber closed based on PM2.5 concentration and clearance the invention discloses a kind of.Including smoke duct, frequency conversion oil smoke centrifugal blower, air curtain axial flow blower, PM2.5 detectors and PLC；Air curtain axial flow blower is arranged on the side of lampblack absorber housing, and lampblack absorber housing front faces are provided with PM2.5 detectors and man-machine interaction panel, in real time display fan delivery value and PM2.5 concentration values；Frequency conversion oil smoke centrifugal blower is arranged on the lampblack absorber housing upper bound, connects smoke duct；Frequency conversion oil smoke centrifugal blower, air curtain axial flow blower, PM2.5 detectors and man-machine interaction panel connection PLC.Simple structure of the present invention, integrated level is high, with strong points, has both protected the health of cooking operation personnel, and for the quality of room air provides guarantee, while for cook provides intuitively evaluation index, with preferable social utility value.
Description
Technical field
It is specially a kind of to control air quantity and close based on PM2.5 concentration and clearance the present invention relates to field of kitchen electric appliance
Energy-conservation air-curtain type lampblack absorber.
Background technology
Lampblack absorber has been widely used at present as the electrical appliance of family kitchen purification of air, is centrifuged by lampblack absorber
The high speed rotation of blower fan, drives blower fan turbine rotation, is formed about negative pressuren zone in smoke collecting chamber, and then oil smoke is sucked in lampblack absorber
Chamber is simultaneously discharged to outdoor, reduces room air pollution degree.But most of lampblack absorber of commercial type is simply simple at present
Several grades of air quantity operating modes are set, it is impossible to match lampblack absorber air quantity well according to actual culinary art situation, therefore are often produced excessive
Unnecessary fan energy consumption；Further, since the judge index without objective reality, user when lampblack absorber air quantity gear is selected according to
So feel confused, it is impossible to have the understanding of rationality to kitchen environment；Furthermore, lampblack absorber is shut off after terminating due to culinary art so that
Kitchen IAQ is still more bad, by diffusion so that other functions room environment is also subject to severe shadow
Ring.
For the problem that current lampblack absorber exists in use, publication number CN2418397Y is authorized to propose range hood fan
Corrective measure, has invented a kind of lampblack absorber of frequency conversion, and will monitor signal by temperature monitoring unit and smoke monitoring unit passes
Enter after being analyzed treatment to micro computer control centre, adjust lampblack absorber wind unit frequency so that lampblack absorber is arranged with appropriate air quantity
Except indoor oil smoke, but the smoke monitoring unit that the invention is used is general using oil smoke as control targe, is not tied
The main component for closing kitchen fume is analyzed, and provides more definite actual control strategy；Furthermore, the invention lampblack absorber is still
The problem of air quality after not accounting for cooking.
The content of the invention
To solve deficiency during existing lampblack absorber application, the present invention is provided one kind and is controlled based on PM2.5 concentration and clearance
Air quantity and the energy-conservation air-curtain type lampblack absorber closed, the lampblack absorber are based on the concentration control of PM2.5 near personnel respiratory region during culinary art
Frequency conversion oil smoke centrifugal blower, reaches the purpose of targetedly regulation lampblack absorber air quantity, reaches energy conservation standard；And in view of pole
Under end culinary art situation, cook pollutants from cooking fume exposed amount is larger, is this in lampblack absorber periphery additive air curtain, reduces diffusion
To the oil smoke amount of personnel's breathing area, the benefit of protection personnel health is reached；Further, using PM2.5 concentration decline rates
As the normative reference for judging that lampblack absorber is closed after cooking, it is ensured that the quality of kitchen room air, reduce due to kitchen oil
The influence in other functions room in the diffusion couple room of cigarette.
To realize the effect above, the technical scheme that the present invention takes is as follows：
It is a kind of that air quantity is controlled and the energy-conservation air-curtain type lampblack absorber closed based on PM2.5 concentration and clearance；Including Smoke
Road, frequency conversion oil smoke centrifugal blower, air curtain axial flow blower, PM2.5 detectors and PLC；It is characterized in that air curtain axial flow blower
Installed in the side of lampblack absorber housing, lampblack absorber housing front faces are provided with PM2.5 detectors and man-machine interaction panel, in real time
Display fan delivery value and PM2.5 concentration values；Frequency conversion oil smoke centrifugal blower is arranged on the lampblack absorber housing upper bound, connects Smoke
Road；Frequency conversion oil smoke centrifugal blower, air curtain axial flow blower, PM2.5 detectors and man-machine interaction panel connection PLC.
The smoke duct connects lampblack absorber exhaust fume collecting hood, and lampblack absorber exhaust fume collecting hood is with lampblack absorber housing coupling part position in " returning " son
Shape.
It is described to arrange air curtain air port, and air curtain wind near the connecting portion of personnel in lampblack absorber housing and lampblack absorber exhaust fume collecting hood
Mouth is multiple perforates by dividing plate even partition, plays a part of uniform air-flow.
The man-machine interaction panel is provided with piano type touch switch device.
The PM2.5 detectors, are embedded in lampblack absorber housing front center.
The frequency conversion oil smoke centrifugal blower is arranged on lampblack absorber housing interface phase on interface center, with lampblack absorber housing
It is flat, oil smoke is discharged to by outdoor from exhaust fume collecting hood by the smoke duct of lampblack absorber housing upper surface center.
Control method based on PM2.5 concentration and clearance control air quantity and the air-curtain type lampblack absorber closed of the invention；
Man-machine interaction panel sends signal 1 to PLC, by the dense of the PM2.5 near PM2.5 detectors detection human body respiration area
Degree, and concentration signal 2 is transferred to PLC；According to the corresponding concentration constant interval set in advance in PLC
Blower fan frequency, after PLC is judged signal operation treatment, by PLC and frequency conversion oil smoke centrifugal blower phase
Annexation, provides frequency conversion oil smoke centrifugal blower control signal 3, and the frequency of frequency conversion oil smoke centrifugal blower is controlled with this, reaches control
The purpose of fan delivery processed；If the concentration of measuring point has exceeded the interval higher limit of setting when lampblack absorber air quantity reaches maximum,
Now by the feedback of signal, execution signal 4 is sent to air curtain axial flow blower from PLC, control air curtain axial flow blower is opened
Open, after air is sent into lampblack absorber inner chamber, ejected via air curtain air port, form air curtain, reduce oil smoke and be diffused into personnel
Breathing area, reaches the purpose of protection personnel health, when the PM2.5 concentration of detection is less than the higher limit for setting, then is controlled by PLC
Device processed sends shutdown signal to air curtain axial flow blower, performs shutdown command operation.
After culinary art terminates, by pressing key contactor control device X button, start-up study closes system, by PLC controls
Device is transformed into the control module of detection and analysis PM2.5 clearances, when average value is below setting value, is then automatically switched off oil smoke
Machine.
With reference to kitchen fume composition, lampblack absorber of the present invention, as Con trolling index, is examined according to PM2.5 concentration values using PM2.5
The PM2.5 concentration values of environment near device detection cook respiratory region are surveyed, targetedly by the adjustment effect of PLC
Change frequency conversion oil smoke centrifugal blower air quantity, adapt to different culinary art situations, reduce lampblack absorber energy consumption；Using PLC to air curtain
The keying of axial flow blower is controlled, effective to ensure that personnel's is healthy and safe；After lampblack absorber late release system is started, lead to
Analysis of the PLC to PM2.5 clearances is crossed, late release frequency conversion oil smoke centrifugal blower farthest ensure that kitchen
The quality of air, reduces the influence that kitchen fume covers indoor other functions room to house；Additionally, passing through man-machine interaction panel
The PM2.5 concentration values of display cause that cook has to kitchen environment and more intuitively recognize.Simple structure of the present invention, it is integrated
Degree is high, with strong points, has both protected the health of cooking operation personnel, and for the quality of room air provides guarantee, while being
Cook provides intuitively evaluation index, with preferable social utility value.
Brief description of the drawings
The structural representation of Fig. 1 lampblack absorbers of the present invention；
Fig. 2 (a) tests cooking process PM2.5 mass concentrations；
PM2.5 mass concentration clearances after Fig. 2 (b) culinary arts；
PM2.5 mass concentrations clearance (5 years sliding average value) after Fig. 2 (c) culinary arts；
Fig. 3 devices are connected and signal transmission flow schematic diagram.
Specific embodiment
Hereinafter the present invention is described further in a specific embodiment：
As shown in figure 1, the lampblack absorber is mainly comprising in lampblack absorber housing 10, frequency conversion oil smoke centrifugal blower 11, lampblack absorber
Chamber 12, air curtain axial flow blower 13, air curtain air port 14, man-machine interaction panel 15 and PM2.5 detectors 16, smoke duct 17, oil smoke
Machine exhaust fume collecting hood 18.The PM2.5 detectors point layout before lampblack absorber housing, from personnel respiratory region most nearby；The change
Frequency oil smoke centrifugal blower is connected with PLC, sets several wind that correspond to change in concentration interval in PLC in advance
Unit frequency, the frequency of frequency conversion oil smoke centrifugal blower is controlled by the PM2.5 concentration monitored；The air curtain axial flow blower is embedded in oil smoke
On one side of casing body, its start and stop operating mode is by the programme-control that is previously defined in PLC；Before lampblack absorber housing
Face is equally inlaid with man-machine interaction panel, in real time display fan delivery value and PM2.5 concentration values, and using contactor control device hand
It is dynamic to open and close frequency conversion oil smoke centrifugal blower, late release system.
A specific example is enumerated below, and the present invention will be described, but specific size and position etc. are not sole requirements,
It is to change and reconfiguring according to actual conditions, all similar replacements and change are for a person skilled in the art aobvious
And be clear to, they are considered as being included in spirit of the invention, scope and content.
Embodiment：
The appearance and size of lampblack absorber housing 10 a length of 696mm, a width of 495mm in bottom, a width of 390mm in top, it is a height of
340mm, lampblack absorber is mounted against a wall；Lampblack absorber exhaust fume collecting hood 18 is in lampblack absorber enclosure interior, a height of 170mm, its lower edge and oil smoke
Machine housing lower margin at a distance of 30mm, lampblack absorber exhaust fume collecting hood upper surface 350mm long, 300mm wide, lampblack absorber exhaust fume collecting hood and lampblack absorber
Housing coupling part position is in " returning " sub- shape；In lampblack absorber housing and lampblack absorber exhaust fume collecting hood air curtain is arranged near the connecting portion of personnel
Air port 14, as shown in figure 1, length 636mm of the air curtain air port length for lampblack absorber exhaust fume collecting hood, width is 3mm, and air curtain air port is every
By dividing plate even partition it is multiple perforates every 40mm, plays a part of uniform air-flow；Air curtain axial flow blower 13 is embedded in lampblack absorber
Housing side, air quantity axial flow blower is determined using common on the market, and it opens situation directly by PLC control；People
Machine interactive panel 15 is arranged on positive one side of lampblack absorber housing (such as figure is arranged on right side), is provided with PM2.5 concentration and lampblack absorber
The real-time display function of air quantity, and piano type touch switch device is provided with, PLC 19 is embedded in the man-machine interaction panel back of the body in addition
Face；PM2.5 detectors 16 are provided with lampblack absorber inner chamber, and are embedded in lampblack absorber housing front center, under lampblack absorber housing
Border 100mm, using commercially available PM2.5 detectors；Frequency conversion oil smoke centrifugal blower 11 is dynamic according to oil smoke air-flow flow of tissue, peace
The interface center on lampblack absorber housing, it is equal with interface on lampblack absorber housing, by lampblack absorber housing upper surface center
Smoke duct 17 oil smoke is discharged to outdoor from exhaust fume collecting hood.
As shown in Fig. 2 (a), PM2.5 change in concentration is presented and first gone up in oil smoke during experiment culinary art (culinary art cooking shredded potato)
Decline the trend for finally reaching stabilization after rising, using this feature, PM2.5 clearances after culinary art are analyzed, to reduce PLC
The treatment load of controller, lampblack absorber of the present invention is using the change rate of concentration of adjacent measuring point as PM2.5 clearances.Such as Fig. 2 (b) institutes
Show, it is seen that, clearance is integrally presented from high to low, is finally reached plateau, with reference to Fig. 2 (a) and Fig. 2 (b) to PM2.5
Clearance carries out 5 years sliding mean value calculations, such as Fig. 2 (c) it can be found that clearance is more steady in whole process, thus
The threshold values that one higher limit (such as 0.4mg/h) of setting is closed as control lampblack absorber, if 5 years sliding average value is less than this limit value,
Closing frequency conversion oil smoke centrifugal blower signal is then sent by PLC.
As shown in figure 3, man-machine interaction panel is connected with PLC, it is man-machine by pressing when personnel cook beginning
Key contactor control device start button in interactive panel, signal 1 is sent to PLC, and now each sensing element is in work
In state；PLC is connected with PM2.5 detectors, in cooking process, by PM2.5 detectors detection human body respiration area
The concentration of neighbouring PM2.5, and concentration signal 2 is transferred to PLC.Several correspondences are set in PLC in advance
The interval blower fan frequency of change in concentration (according to PM2.5 concentration values from 0-0.5mg/m3Ten interval grades are equably divided,
Concentration often increases a grade, frequency conversion oil smoke centrifugal blower frequency increase highest frequency 10%), by PLC to letter
After number calculation process judges, it is connected with frequency conversion oil smoke centrifugal blower relation by PLC, provides frequency conversion oil smoke and wind is centrifuged
Machine control signal 3, the frequency of frequency conversion oil smoke centrifugal blower is controlled with this, reaches the purpose of control fan delivery.
In the case of extreme culinary art, if the concentration of measuring point has exceeded the upper of setting interval when lampblack absorber air quantity reaches maximum
Limit value, now by the feedback of signal, by the connection (as shown in Figure 3) of PLC and air curtain axial flow blower, is controlled by PLC
Device processed sends execution signal 4 to air curtain axial flow blower, and control air curtain axial flow blower is opened, after air is sent into lampblack absorber inner chamber,
Ejected via air curtain air port, form air curtain, oil smoke reduced in a short time and is diffused into personnel's breathing area, reach protection
The purpose of personnel health, when the PM2.5 concentration of detection is less than the higher limit for setting, then from PLC to air curtain axle stream wind
Machine sends shutdown signal, performs shutdown command operation.
After culinary art terminates, by pressing key contactor control device X button, start-up study closes system, by PLC controls
Device is transformed into the control module of detection and analysis PM2.5 concentration decline rates, carries out the comparing of 5 years sliding average value and setting value, when
Continuous several (such as taking 3) are when sliding average value is below setting value within 5 years, it is believed that indoor PM2.5 concentration has already decreased to minimum
Value, then be automatically switched off lampblack absorber.
The energy-conservation air-curtain type oil smoke that air quantity and closing are controlled based on PM2.5 concentration and clearance that the present invention is disclosed and proposed
Machine, those skilled in the art can by use for reference the links such as present disclosure, appropriate change condition realize, although the method for the present invention and
Technology of preparing is described by preferred embodiment, and person skilled can substantially not depart from present invention, essence
Methods and techniques described herein route is modified in god and scope or reconfigured to realize final technology of preparing.
In particular, all similar replacements and change are apparent to those skilled in the art, they
It is considered as being included in spirit of the invention, scope and content.
Claims (9)
1. it is a kind of that air quantity is controlled and the energy-conservation air-curtain type lampblack absorber closed based on PM2.5 concentration and clearance；Including smoke duct,
Frequency conversion oil smoke centrifugal blower, air curtain axial flow blower, PM2.5 detectors and PLC；It is characterized in that air curtain axial flow blower is installed
In the side of lampblack absorber housing, lampblack absorber housing front faces are provided with PM2.5 detectors and man-machine interaction panel, in real time display
Fan delivery value and PM2.5 concentration values, frequency conversion oil smoke centrifugal blower are arranged on the lampblack absorber housing upper bound, connect smoke duct；Become
Frequency oil smoke centrifugal blower, air curtain axial flow blower, PM2.5 detectors and man-machine interaction panel connection PLC.
2. lampblack absorber as claimed in claim 1, it is characterized in that smoke duct connection lampblack absorber exhaust fume collecting hood, lampblack absorber exhaust fume collecting hood with
Lampblack absorber housing coupling part position is in " returning " sub- shape.
3. lampblack absorber as claimed in claim 2, it is characterized in that lampblack absorber housing and lampblack absorber exhaust fume collecting hood near personnel company
Socket part position arrangement air curtain air port, and air curtain air port forms multiple perforates by dividing plate even partition, plays a part of uniform air-flow.
4. lampblack absorber as claimed in claim 1, it is characterized in that man-machine interaction panel is provided with piano type touch switch device.
5. lampblack absorber as claimed in claim 1, it is characterized in that being provided with PM2.5 detectors, being embedded in lampblack absorber housing front
At the heart.
6. lampblack absorber as claimed in claim 1, it is characterized in that frequency conversion oil smoke centrifugal blower is arranged on interface on lampblack absorber housing
Center, it is equal with interface on lampblack absorber housing, oil smoke is excluded by the wind smokejack of lampblack absorber housing upper surface center
It is indoor.
7. using claim 1 based on PM2.5 concentration and clearance control lampblack absorber air quantity and the air-curtain type lampblack absorber closed
Control method, it is characterized in that：Man-machine interaction panel sends signal 1 to PLC, is exhaled by PM2.5 detectors detection human body
The concentration of the PM2.5 near area is inhaled, and concentration signal 2 is transferred to PLC；It is dense according to be correspond in PLC
The blower fan frequency of constant interval is spent, after PLC is judged signal operation treatment, by PLC and frequency conversion oil
Cigarette centrifugal blower is connected relation, provides frequency conversion oil smoke centrifugal blower control signal 3, and frequency conversion oil smoke centrifugal blower is controlled with this
Frequency, reaches the purpose of control fan delivery；If the concentration of measuring point has exceeded setting area when lampblack absorber air quantity reaches maximum
Between higher limit, now by the feedback of signal, from PLC sent to air curtain axial flow blower execution signal 4, control air curtain
Axial flow blower is opened, and after air is sent into lampblack absorber inner chamber, is ejected via air curtain air port, forms air curtain, reduces oil smoke
Personnel's breathing area is diffused into, the purpose of protection personnel health is reached, when the higher limit of the PM2.5 concentration less than setting of detection
When, then shutdown signal is sent to air curtain axial flow blower from PLC, perform shutdown command operation.
8. method as claimed in claim 7, it is characterized in that setting PM2.5 change in concentration and blower fan frequency in PLC：
According to PM2.5 concentration values from 0-0.5mg/m3Equalization divides ten interval grades, and concentration often increases a grade, frequency conversion oil smoke
Centrifugal blower frequency increases the 10% of highest frequency.
9. method as claimed in claim 7, it is characterized in that after culinary art terminates, by press key contactor control device close by
Button, start-up study closes system, PLC is transformed into the control module of detection and analysis PM2.5 concentration decline rates, when average
When value is below setting value, then lampblack absorber is automatically switched off.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710056487.9A CN106765415A (en) | 2017-01-25 | 2017-01-25 | Based on PM2.5 concentration and clearance control air quantity and the energy-conservation air-curtain type lampblack absorber closed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710056487.9A CN106765415A (en) | 2017-01-25 | 2017-01-25 | Based on PM2.5 concentration and clearance control air quantity and the energy-conservation air-curtain type lampblack absorber closed |
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| CN201710056487.9A Pending CN106765415A (en) | 2017-01-25 | 2017-01-25 | Based on PM2.5 concentration and clearance control air quantity and the energy-conservation air-curtain type lampblack absorber closed |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760363A (en) * | 2018-05-08 | 2018-11-06 | 天津大学 | A kind of household cooker hood actual performance test system |
| CN109000944A (en) * | 2018-05-08 | 2018-12-14 | 天津大学 | A kind of kitchen ventilator Testing Platform calculation method |
| CN109237560A (en) * | 2018-08-06 | 2019-01-18 | 珠海格力电器股份有限公司 | Air curtain control method, device, kitchen ventilator and readable storage medium storing program for executing |
| CN109340843A (en) * | 2018-08-22 | 2019-02-15 | 南京理工大学 | A kind of multistage lampblack purifying system of dedicated intelligence of the catering trade with air gate |
| CN109405005A (en) * | 2018-09-13 | 2019-03-01 | 珠海格力电器股份有限公司 | A kind of air curtain outlet air method of adjustment, device and oil smoke equipment |
| CN109540746A (en) * | 2018-10-09 | 2019-03-29 | 天津大学 | A kind of intelligence oil mist eliminator monitoring system |
| CN109681935A (en) * | 2018-11-27 | 2019-04-26 | 中标能效科技（北京）有限公司 | Control method, kitchen ventilator and the storage medium of kitchen ventilator |
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| CN110631081A (en) * | 2018-06-25 | 2019-12-31 | 青岛海尔智慧厨房电器有限公司 | Air curtain smoke exhaust ventilator |
| CN110631066A (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 |
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| CN108760363A (en) * | 2018-05-08 | 2018-11-06 | 天津大学 | A kind of household cooker hood actual performance test system |
| CN109000944A (en) * | 2018-05-08 | 2018-12-14 | 天津大学 | A kind of kitchen ventilator Testing Platform calculation method |
| CN110631066A (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 |
| CN110631085A (en) * | 2018-06-25 | 2019-12-31 | 青岛海尔智慧厨房电器有限公司 | Air curtain angle adjustable air curtain fume exhaust fan |
| 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 |
| CN110631074B (en) * | 2018-06-25 | 2021-11-12 | 青岛海尔智慧厨房电器有限公司 | Air curtain angle adjustable air curtain fume exhaust fan |
| CN110631085B (en) * | 2018-06-25 | 2021-06-15 | 青岛海尔智慧厨房电器有限公司 | Air curtain angle adjustable air curtain fume exhaust fan |
| CN110631081A (en) * | 2018-06-25 | 2019-12-31 | 青岛海尔智慧厨房电器有限公司 | Air curtain smoke exhaust ventilator |
| CN110631074A (en) * | 2018-06-25 | 2019-12-31 | 青岛海尔智慧厨房电器有限公司 | Air curtain angle adjustable air curtain fume exhaust fan |
| CN110631082A (en) * | 2018-06-25 | 2019-12-31 | 青岛海尔智慧厨房电器有限公司 | Air curtain angle adjustable air curtain fume exhaust fan |
| CN109237560A (en) * | 2018-08-06 | 2019-01-18 | 珠海格力电器股份有限公司 | Air curtain control method, device, kitchen ventilator and readable storage medium storing program for executing |
| CN109340843A (en) * | 2018-08-22 | 2019-02-15 | 南京理工大学 | A kind of multistage lampblack purifying system of dedicated intelligence of the catering trade with air gate |
| CN109405005A (en) * | 2018-09-13 | 2019-03-01 | 珠海格力电器股份有限公司 | A kind of air curtain outlet air method of adjustment, device and oil smoke equipment |
| CN109540746A (en) * | 2018-10-09 | 2019-03-29 | 天津大学 | A kind of intelligence oil mist eliminator monitoring system |
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