CN206817560U - The energy-conservation air-curtain type lampblack absorber controlled based on PM2.5 concentration and clearance - Google Patents
The energy-conservation air-curtain type lampblack absorber controlled based on PM2.5 concentration and clearance Download PDFInfo
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- CN206817560U CN206817560U CN201720104342.7U CN201720104342U CN206817560U CN 206817560 U CN206817560 U CN 206817560U CN 201720104342 U CN201720104342 U CN 201720104342U CN 206817560 U CN206817560 U CN 206817560U
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- lampblack absorber
- oil smoke
- air
- frequency conversion
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Abstract
The utility model discloses a kind of energy-conservation air-curtain type lampblack absorber controlled 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；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, 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 connect PLC with man-machine interaction panel.The utility model is simple in construction, and integrated level is high, with strong points, has both protected the health of cooking operation personnel, and the quality for room air provides guarantee again, while provides intuitively evaluation index for cook, has preferable social utility value.
Description
Technical field
It the utility model is related to field of kitchen electric appliance, specially a kind of energy-conservation controlled based on PM2.5 concentration and clearance
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 are matched lampblack absorber air quantity well according to the culinary art situation of reality, therefore often produced excessive
Unnecessary fan energy consumption；Further, since without the judge index of objective reality, user when selecting lampblack absorber air quantity gear according to
So feel confused, it is impossible to have the understanding of rationality to kitchen environment；Furthermore it is shut off lampblack absorber after terminating due to culinary art so that
Kitchen IAQ is still more bad, by diffusion other function room environment also by severe shadow
Ring.
The problem of existing in use for current lampblack absorber, 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 to micro computer control center after being analyzed and processed, 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 uses 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
Not the problem of not accounting for air quality after cooking.
The content of the invention
To solve deficiency during existing lampblack absorber application, the utility model provides one kind and is based on PM2.5 concentration and clearance
The energy-conservation air-curtain type lampblack absorber of control, PM2.5 concentration control frequency conversion is oily near personnel respiratory region when the lampblack absorber is based on culinary art
Cigarette centrifugal blower, reach the purpose of targetedly regulation lampblack absorber air quantity, reach energy conservation standard；And in view of extreme culinary art
Under situation, cook pollutants from cooking fume exposed amount is larger, and personnel are diffused into lampblack absorber periphery additive air curtain, reduction for this
The oil smoke amount of breathing area, reach the benefit of protection staff health；Further, it is used as and is sentenced using PM2.5 concentration declines rate
The normative reference that lampblack absorber is closed after disconnected culinary art, ensure that the quality of kitchen room air, reduces the expansion due to kitchen fume
Dissipate the influence to other indoor function rooms.
To realize the effect above, the technical scheme that the utility model is taken is as follows：
A kind of energy-conservation air-curtain type lampblack absorber controlled 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；Air curtain axial flow blower is arranged on the one of lampblack absorber housing
Side, lampblack absorber housing front faces are provided with PM2.5 detectors and man-machine interaction panel, 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 centrifuges wind
Machine, air curtain axial flow blower, PM2.5 detectors connect PLC with man-machine interaction panel.
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 close to 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, it is embedded in lampblack absorber housing front center.
The frequency conversion oil smoke centrifugal blower is arranged on lampblack absorber housing at the center of interface, with interface phase on lampblack absorber housing
It is flat, oil smoke is discharged to by outdoor from exhaust fume collecting hood by the smoke duct at lampblack absorber housing upper surface center.
The control method of the energy-conservation air-curtain type lampblack absorber of the present utility model controlled based on PM2.5 concentration and clearance；People
Machine interactive panel sends signal 1 to PLC, and the concentration of the PM2.5 near human body respiration area is detected by PM2.5 detectors,
And concentration signal 2 is transferred to PLC；According to the wind of the corresponding concentration constant interval set in advance in PLC
Unit frequency, after PLC is judged signal operation processing, it is connected by PLC with frequency conversion oil smoke centrifugal blower
Relation is connect, frequency conversion oil smoke centrifugal blower control signal 3 is provided, the frequency of frequency conversion oil smoke centrifugal blower is controlled with this, reaches control
The purpose of fan delivery；If the concentration of measuring point has exceeded the higher limit of set interval when lampblack absorber air quantity reaches maximum, this
When by the feedback of signal, sent from PLC controllers to air curtain axial flow blower and perform signal 4, 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, reach the purpose of protection staff health, controlled when the PM2.5 concentration of detection is less than the higher limit set, then 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, PLC is controlled
Device is transformed into the control module of detection and analysis PM2.5 clearances, when average value is below setting value, then closes oil smoke automatically
Machine.
With reference to kitchen fume composition, the utility model lampblack absorber, as Con trolling index, utilizes according to PM2.5 concentration values
The PM2.5 concentration values of environment, targetedly pass through PLC near PM2.5 detectors detection cook respiratory region
Adjustment effect changes frequency conversion oil smoke centrifugal blower air quantity, adapts to different culinary art situations, reduces lampblack absorber energy consumption；Controlled using PLC
Keying of the device to air curtain axial flow blower is controlled, the effective health and safety for ensureing personnel；Starting lampblack absorber late release
After system, by analysis of the PLC to PM2.5 clearances, late release frequency conversion oil smoke centrifugal blower, farthest protect
The quality of air in kitchen has been demonstrate,proved, has reduced the influence that kitchen fume covers other indoor function rooms to house；In addition, by man-machine
The PM2.5 concentration values that interactive panel is shown cause cook has to kitchen environment more intuitively to recognize.The utility model
Simple in construction, integrated level is high, with strong points, had both protected the health of cooking operation personnel, and was provided again for the quality of room air
Ensure, while for cook provides intuitively evaluation index, be worth with preferable social utility.
Brief description of the drawings
The structural representation of Fig. 1 the utility model lampblack absorbers；
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 connect and transport stream signal journey schematic diagram.
Embodiment
The utility model is described further in a specific embodiment below：
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 is 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 section in PLC in advance
Unit frequency, the frequency of frequency conversion oil smoke centrifugal blower is controlled by the PM2.5 concentration of monitoring；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, 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, the utility model is illustrated, but specific size and position etc. are not unique
It is required that being to change and reconfiguring according to actual conditions, all similar replacements and change come to those skilled in the art
Say it is it will be apparent that they are considered as being included in the utility model spirit, 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 are 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 is at a distance of 30mm, the long 350mm in lampblack absorber exhaust fume collecting hood upper surface, wide 300mm, 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 close to the connecting portion of personnel
Air port 14, as shown in figure 1, air curtain air port length is length 636mm, the width 3mm of lampblack absorber exhaust fume collecting hood, 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, use is common on the market to determine air quantity axial flow blower, and its unlatching situation is directly controlled by PLC；People
Machine interactive panel 15 is arranged on positive one side of lampblack absorber housing (such as figure is arranged on right side), provided with PM2.5 concentration and lampblack absorber
Air quantity real-time display function, 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 moves according to oil smoke air-flow flow of tissue, peace
It is equal with interface on lampblack absorber housing at interface center on lampblack absorber housing, at 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 on first in oil smoke during (culinary art cooking shredded potato) is cooked in experiment
Decline after rising and finally reach stable trend, using this feature, PM2.5 clearances after culinary art are analyzed, to reduce
The processing load of PLC, the utility model lampblack absorber are used as PM2.5 clearances using the change rate of concentration of adjacent measuring point.Such as
Shown in Fig. 2 (b), 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) 5 years sliding mean value calculations are carried out to PM2.5 clearances, such as Fig. 2 (c) it can be found that clearance is more in whole process
Steadily, the threshold values that a higher limit (such as 0.4mg/h) is closed as control lampblack absorber is thus set, if 5 years sliding average value is low
In this limit value, then sent by PLC and close frequency conversion oil smoke centrifugal blower signal.
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, now each sensing element is in work
In state；PLC is connected with PM2.5 detectors, and in cooking process, human body respiration area is detected by PM2.5 detectors
Neighbouring PM2.5 concentration, and concentration signal 2 is transferred to PLC.Several correspondences are set in PLC in advance
The blower fan frequency in change in concentration section (according to PM2.5 concentration values from 0-0.5mg/m3Ten section 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 by PLC with frequency conversion oil smoke centrifugal blower relation, provides frequency conversion oil smoke and centrifuge wind
Machine control signal 3, the frequency of frequency conversion oil smoke centrifugal blower is controlled with this, reach the purpose of control fan delivery.
In the case of extreme culinary art, if the concentration of measuring point has exceeded the upper of set 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, controlled by PLC
Device processed is sent to air curtain axial flow blower performs signal 4, 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, reduced oil smoke in a short time and be diffused into personnel's breathing area, reach protection
The purpose of personnel health, when detection PM2.5 concentration less than setting higher limit when, 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, PLC is controlled
Device is transformed into the control module of detection and analysis PM2.5 concentration decline rates, carries out the comparison of 5 years sliding average values 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 lampblack absorber is closed automatically.
The energy-conservation air-curtain type lampblack absorber controlled based on PM2.5 concentration and clearance that the utility model is disclosed and proposed, this
Art personnel can by use for reference the link such as present disclosure, appropriate change condition realize, although method of the present utility model and
Technology of preparing is described by preferred embodiment, and person skilled can be not substantially being departed from the utility model
Hold, methods and techniques described herein route is modified or reconfigured in spirit and scope, to realize final preparation
Technology.In particular, all similar replacements and change are apparent to those skilled in the art,
They are considered as being included in the utility model spirit, scope and content.
Claims (6)
- A kind of 1. energy-conservation air-curtain type lampblack absorber controlled based on PM2.5 concentration and clearance；Including smoke duct, frequency conversion oil smoke from Heart blower fan, air curtain axial flow blower, PM2.5 detectors and PLC；It is characterized in that air curtain axial flow blower is arranged on oil smoke casing The side of body, lampblack absorber housing front faces are provided with PM2.5 detectors and man-machine interaction panel, real-time display fan delivery value With 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 centrifuges Blower fan, air curtain axial flow blower, PM2.5 detectors connect PLC with man-machine interaction panel.
- 2. lampblack absorber as claimed in claim 1, it is characterized in that smoke duct connects 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 the company in lampblack absorber housing with lampblack absorber exhaust fume collecting hood close to personnel 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 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 It is equal with interface on lampblack absorber housing at center, oil smoke is excluded by the wind smokejack at lampblack absorber housing upper surface center It is indoor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720104342.7U CN206817560U (en) | 2017-01-25 | 2017-01-25 | The energy-conservation air-curtain type lampblack absorber controlled based on PM2.5 concentration and clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720104342.7U CN206817560U (en) | 2017-01-25 | 2017-01-25 | The energy-conservation air-curtain type lampblack absorber controlled based on PM2.5 concentration and clearance |
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| Publication Number | Publication Date |
|---|---|
| CN206817560U true CN206817560U (en) | 2017-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720104342.7U Expired - Fee Related CN206817560U (en) | 2017-01-25 | 2017-01-25 | The energy-conservation air-curtain type lampblack absorber controlled based on PM2.5 concentration and clearance |
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| CN (1) | CN206817560U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
-
2017
- 2017-01-25 CN CN201720104342.7U patent/CN206817560U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171229 Termination date: 20190125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |