CN109654558A - A kind of kitchen ventilator and linkage selection control method with air cleaning unit linkage - Google Patents
A kind of kitchen ventilator and linkage selection control method with air cleaning unit linkage Download PDFInfo
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- CN109654558A CN109654558A CN201811629623.XA CN201811629623A CN109654558A CN 109654558 A CN109654558 A CN 109654558A CN 201811629623 A CN201811629623 A CN 201811629623A CN 109654558 A CN109654558 A CN 109654558A
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- cleaning unit
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Classifications
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
Abstract
A kind of kitchen ventilator with air cleaning unit linkage, be provided with smoke machine main body, according to temperature in the cooking zone of detection to there is the oil smoke size of cooking zone to carry out the current polycyclic aromatic hydrocarbon concentration of cooking zone is calculated and obtain the polycyclic aromatic hydrocarbon detection device of Environmental Health level signal and the linkage control device of outside air purification device is connect and controlled with outside air purification device signal, polycyclic aromatic hydrocarbon detection device is electrically connected with linkage control device and smoke machine main body respectively.The oil smoke function detects the polycyclic aromatic hydrocarbon concentration of current cooking zone and can link with outside air purification device, so that the air containing polycyclic aromatic hydrocarbon be made to obtain timely purified treatment, ensures the health of user.A kind of linkage selection control method carries out kitchen ventilators by three steps and air cleaning unit linkage selects, and the maximum air cleaning unit of preferred class value is filtered out, thus the air purification effect being optimal.
Description
Technical field
It is the present invention relates to kitchen ventilator field, in particular to a kind of to be selected with the kitchen ventilator of air cleaning unit linkage and linkage
Control method.
Background technique
In the modern life, many families can generate a large amount of oil smoke in cooking.Studies have shown that cooking fume ingredient is multiple
It is miscellaneous, there is certain toxicity on inhalation, immunotoxicity and mutagenicity, there are certain harm to human health.In soot gas
Include multiring aromatic hydrocarbon substance, has considerable part that there is carcinogenicity in multiring aromatic hydrocarbon substance, such as benzo [α] pyrene.Existing skill
The kitchen ventilator of art can not oil smoke in the current cooking environments of automatic identification multiring aromatic hydrocarbon substance concentration, can not be with air
Purification device links to reduce the multiring aromatic hydrocarbon substance concentration in current cooking environments, greatly limits the intelligence of kitchen ventilator
Development.
Therefore in view of the shortcomings of the prior art, providing a kind of kitchen ventilator with air cleaning unit linkage and the selection control that links
Method is very necessary to solve prior art deficiency.
Summary of the invention
One of purpose of the invention is to avoid the deficiencies in the prior art place and provide a kind of and air cleaning and fill
Set the kitchen ventilator of linkage.The polycyclic virtue of harmful substance before this is identified with the oil smoke function that air cleaning unit links in cooking environments
Hydrocarbon concentration can simultaneously link with air cleaning unit to reduce the multiring aromatic hydrocarbon substance concentration in current cooking environments.
Above-mentioned purpose of the invention is realized by following technical measures:
A kind of kitchen ventilator with air cleaning unit linkage is provided, it is characterised in that: it is provided with smoke machine main body, according to detection
Cooking zone in temperature to there is the oil smoke size of cooking zone to carry out that the current polycyclic aromatic hydrocarbon concentration of cooking zone is calculated simultaneously
It obtains the polycyclic aromatic hydrocarbon detection device of Environmental Health level signal and is connect with outside air purification device signal and control outside
The linkage control device of air cleaning unit, polycyclic aromatic hydrocarbon detection device are electrically connected with linkage control device and smoke machine main body respectively
It connects.
Polycyclic aromatic hydrocarbon detection device detects the polycyclic aromatic hydrocarbon concentration in current cooking zone and obtains Environmental Health level signal
And it is transmitted to linkage control device, linkage control device receives Environmental Health level signal, while linkage control device detection is outer
Portion's air cleaning unit data obtain air cleaning data-signal, and linkage control device is according to Environmental Health level signal and air
It purifies data-signal processing and control signal is sent to external air cleaning unit, it is net that outside air purification device carries out air
Change.
Preferably, above-mentioned linkage control device is connect with outside air purification device wire signal.
Preferably, above-mentioned wire signal is connected as the connection of RS232 signal, the connection of RS485 signal, usb signal connection, GPIB
Signal connection or CAN signal connection.
Another preferred, above-mentioned linkage control device is connect with outside air purification device wireless signal.
Preferably, above-mentioned wireless signal be connected as WiFi signal connection, Bluetooth signal connection, NFC signal connection or
The connection of ZIGBee signal.
Preferably, above-mentioned polycyclic aromatic hydrocarbon detection device is provided with the temperature sensing mould for detecting temperature in cooking zone
Block, the image capture module for obtaining generating oil smoke size to the image analysis of cooking zone oil smoke and in real time and work as calculating
The computing module of the polycyclic aromatic hydrocarbon concentration of preceding cooking zone, temperature sensing module and image capture module are electric with computing module respectively
Connection.
Temperature obtains temperature signal and using obtained temperature signal as temperature in temperature sensing module induction cook region
Degree output signal is transmitted to computing module, and image capture module acquisition cooking zone oil smoke image obtains oil smoke output signal and passes
Transport to computing module, computing module receive respectively temperature sensing module temperature output signal and image capture module oil smoke it is defeated
Signal out is then dense to the polycyclic aromatic hydrocarbon that temperature output signal and the processing of oil smoke output signal obtain current cooking zone in real time
Degree.
Preferably, above-mentioned computing module is to construct to obtain about harmful in temperature and oil smoke size and oil smoke with mathematical modeling
The computing module of the mathematical relationship of polycyclic aromatic hydrocarbon concentration in gas.
Preferably, above-mentioned computing module is lienar for computing module, NONLINEAR CALCULATION module, exponential type computing module, power
Type computing module, logarithmic computing module, neural network computing module, machine learning computing module or deep learning calculate
Module.
Preferably, above-mentioned computing module carries out Environmental Health grade classification according to polycyclic aromatic hydrocarbon concentration.
Temperature obtains temperature signal and using obtained temperature signal as temperature in temperature sensing module induction cook region
Degree output signal is transmitted to computing module, and image capture module acquisition cooking zone oil smoke image obtains oil smoke output signal and passes
Transport to computing module, computing module receive respectively temperature sensing module temperature output signal and image capture module oil smoke it is defeated
Signal out is then dense to the polycyclic aromatic hydrocarbon that temperature output signal and the processing of oil smoke output signal obtain current cooking zone in real time
Degree, while computing module obtains Environmental Health level signal to polycyclic aromatic hydrocarbon concentration progress Environmental Health grade classification and is sent to
Linkage control device, linkage control device receive the processing of Environmental Health level signal and send to external air cleaning unit and control
Signal.
Preferably, above-mentioned linkage control device is provided with signal transmitting and receiving module and the distance according to outside air purification device
And the processing module that air purification efficiency is controlled, signal transmitting and receiving module are connected with outside air purification device signal, place
Reason module is electrically connected with computing module.
Signal transmitting and receiving block search air cleaning unit all in the environment, with cooking zone at a distance from and all air
The air purification efficiency of purification device obtains air cleaning data-signal, and signal transmitting and receiving module sends air cleaning data-signal
To processing module.
Processing module receives the Environmental Health level signal of computing module and the air cleaning data letter of signal transmitting and receiving module
Number, processing module simultaneously carries out outer according to outside air purification device distance and the corresponding air purification efficiency of air cleaning unit
Portion's air cleaning unit judges preferred rank, and then processing module obtains control signal and is sent to signal transmitting and receiving module, signal
The control signal of transceiver module receiving processing module is simultaneously sent to corresponding air cleaning unit.
A kind of kitchen ventilator of and air cleaning unit linkage of the invention, is provided with smoke machine main body, the culinary art according to detection
Temperature is in region to have the oil smoke size of cooking zone to carry out that the current polycyclic aromatic hydrocarbon concentration of cooking zone is calculated and obtain ring
It the polycyclic aromatic hydrocarbon detection device of border Health Category signal and is connect with outside air purification device signal and to control outside air net
Disguise the linkage control device set, polycyclic aromatic hydrocarbon detection device is electrically connected with linkage control device and smoke machine main body respectively.The oil
Smoke machine can detect the polycyclic aromatic hydrocarbon concentration of current cooking zone and can link with outside air purification device, to make to contain
There is the air of polycyclic aromatic hydrocarbon to obtain timely purified treatment, ensures the health of user.
Another goal of the invention of the invention is to provide a kind of linkage selection controlling party in place of avoiding the deficiencies in the prior art
Method.The linkage select control method for according to the position and air purification efficiency of portion's air cleaning unit but selection is suitable empty
Air purifying apparatus is controlled.
Above-mentioned purpose of the invention is realized by following technical measures:
A kind of linkage selection control method is provided, with the above-mentioned kitchen ventilator with air cleaning unit linkage, including step
Suddenly have:
Step 1, linkage control device detect air cleaning unit all in current environment, all air cleaning units
With at a distance from cooking zone and the air purification efficiency of all air cleaning units；
Step 2: linkage control device calculates the corresponding preferred class value of all air cleaning units；
Step 3: the preferred maximum air cleaning unit of class value is opened in linkage control device control.
Preferably, (i) above-mentioned preferred class value is indicated by formula,
Π=f (L-Q1,ηQ2,σ0 K0,σ1 K1,......,σnKn,ρτ) formula is (i)；
Wherein Π is preferred class value,
L is air cleaning unit at a distance from cooking zone,
η is the air purification efficiency of air cleaning unit,
Q1 is the order and Q1 > 0 of L,
Q2 is the order and Q2 > 0 of η,
σ0, σ1... ..., σnFor the other calculating parameter of priority,
K0, K1 ... ..., Kn are respectively σ0, σ1... ..., σnOrder, and K0 ∈ (- ∞ ,+∞), K1 ∈ (- ∞ ,+
∞) ... ..., Kn ∈ (- ∞ ,+∞),
ρτFor the friendship phase factor of L and η.
Another preferred, (ii) above-mentioned preferred class value is counted by formula,
Wherein Π is preferred class value, and L is air cleaning unit at a distance from cooking zone, and η is air cleaning unit
Air purification efficiency.
Linkage selection control method of the invention carries out kitchen ventilator by three steps and air cleaning unit linkage selects,
The maximum air cleaning unit of preferred class value is filtered out, thus the air purification effect being optimal.
Detailed description of the invention
Using attached drawing, the present invention is further illustrated, but the content in attached drawing is not constituted to any limit of the invention
System.
Fig. 1 is the workflow schematic diagram for the kitchen ventilator that a kind of and air cleaning unit of embodiment 1 links.
Specific embodiment
Technical solution of the present invention is described further with the following Examples.
Embodiment 1.
A kind of kitchen ventilator with air cleaning unit linkage, as shown in Figure 1, being provided with smoke machine main body, cooking according to detection
Temperature prepare food in region to have the oil smoke size of cooking zone to carry out that the current polycyclic aromatic hydrocarbon concentration of cooking zone is calculated and obtain
It the polycyclic aromatic hydrocarbon detection device of Environmental Health level signal and is connect with outside air purification device signal and controls outside air
The linkage control device of purification device, polycyclic aromatic hydrocarbon detection device are electrically connected with linkage control device and smoke machine main body respectively.
Polycyclic aromatic hydrocarbon detection device detects the polycyclic aromatic hydrocarbon concentration in current cooking zone and obtains Environmental Health level signal
And it is transmitted to linkage control device, linkage control device receives Environmental Health level signal, while linkage control device detection is outer
Portion's air cleaning unit data obtain air cleaning data-signal, and linkage control device is according to Environmental Health level signal and air
It purifies data-signal processing and control signal is sent to external air cleaning unit, it is net that outside air purification device carries out air
Change.
The linkage control device of the present embodiment is that wire signal is connect with outside air purification device.
Wire signal of the invention is connected as the connection of RS232 signal, the connection of RS485 signal, usb signal connection, GPIB letter
Number connection or CAN signal connection etc., depending on specific selection according to the actual situation.The present embodiment is specially that RS232 signal connects
It connects.
Polycyclic aromatic hydrocarbon detection device is provided with for detecting the temperature sensing module of temperature in cooking zone, for culinary art
Region oil smoke image analysis simultaneously obtains generating the image capture module of oil smoke size and for calculating current cooking zone in real time
The computing module of polycyclic aromatic hydrocarbon concentration, temperature sensing module and image capture module are electrically connected with computing module respectively.
Temperature preferably detects kitchen tools temperature in cooking zone of the invention, or Air Temperature in detection cooking zone
Degree, oil smoke temperature or kitchen range temperature etc., specific embodiment according to the actual situation depending on.The present embodiment has in cooking zone
Detection temperature is kitchen tools temperature.
Temperature obtains temperature signal and using obtained temperature signal as temperature in temperature sensing module induction cook region
Degree output signal is transmitted to computing module, and image capture module acquisition cooking zone oil smoke image obtains oil smoke output signal and passes
Transport to computing module, computing module receive respectively temperature sensing module temperature output signal and image capture module oil smoke it is defeated
Signal out is then dense to the polycyclic aromatic hydrocarbon that temperature output signal and the processing of oil smoke output signal obtain current cooking zone in real time
Degree.
Computing module of the present invention constructs to obtain about in temperature and oil smoke size and oil smoke in pernicious gas with mathematical modeling
The computing module of the mathematical relationship of polycyclic aromatic hydrocarbon concentration.
Computing module of the invention is obtained by mathematical modeling, and mathematical modeling is to collect different temperatures and oil smoke by experiment
The mathematical relationship of pernicious gas polycyclic aromatic hydrocarbon concentration in the factors such as size and oil smoke.Sampling inspection is carried out according to different experiment conditions
Measure variety classes polycyclic aromatic hydrocarbon concentration carry out analysis sort out obtain mathematical model, so that computing module can be according to cooking area
The testing conditions of temperature and oil smoke size judge current variety classes polycyclic aromatic hydrocarbon concentration in domain.
Computing module of the invention is lienar for computing module, NONLINEAR CALCULATION module, exponential type computing module, power type meter
Calculate module, logarithmic computing module, neural network computing module, machine learning computing module or deep learning computing module
One of which.
Image capture module acquires the case where oil smoke is generated in cooking process in real time, specially acquires corresponding region in real time
Picture simultaneously handles current kitchen fume concentration, and data are transmitted to computing module.
The processing method of image capture module are as follows:
Image capture module is handled based on the initial pictures that imaging device acquires, and initial pictures are gray scale
Figure, initial pictures collected are serialized, and the initial pictures of the initial pictures and previous frame that pass sequentially through rear frame are handled, and are obtained
To the current kitchen fume concentration at moment locating for each rear frame initial pictures
It is handled every time by the initial pictures of rear frame and the initial pictures of previous frame, when obtaining locating for rear frame initial pictures
The step process for the current kitchen fume concentration carved is as follows:
(1) initial pictures of rear frame and the initial pictures of previous frame frame difference is carried out to handle to obtain frame difference image；
(2) denoising is carried out to frame difference image in a manner of opening operation, obtains denoising image；
(3) edge detection is carried out to denoising image, marker motion region is as initial area-of-interest；
(4) gray average calculating is carried out to initial area-of-interest and segment smoothing degree calculates, it is equal gray scale will to be met simultaneously
The region of value and smoothness requirements is as next step area-of-interest, and other regions are as interference elimination；
(5) area-of-interest extracted to step (4) counts respectively, obtains oil smoke concentration according to statistical result and assigns
Value.
In step (1), to collected initial pictures carry out frame difference operate to obtain frame difference image be specifically:
Image capture module does a later frame image with previous frame image according to the sequencing of the initial pictures received
Difference obtains the highlighted frame difference image in dynamic area.
Wherein step (2) carries out denoising using opening operation to frame difference image, denoising image is obtained, especially by as follows
Mode carries out: first carrying out etching operation to frame difference image and disconnects narrow company to eliminate noise and the tiny spine in image
It connects；Expansive working is carried out to the image after corrosion again, restores the smoke characteristics in former frame difference image.
Wherein step (3) carries out edge detection to denoising image, and marker motion region is as initial area-of-interest, specifically
Be: the edge of detection frame difference image highlight regions is simultaneously marked, using the region marked as initial area-of-interest.
Wherein step (4) is specifically to carry out gray average, the calculating of segment smoothing degree to each initial area-of-interest, is obtained
Each initial corresponding gray average of area-of-interest and gray scale smoothness, will meet the gray average being calculated simultaneously and are less than
Gray threshold, gray scale smoothness be less than gray scale smoothness threshold initial area-of-interest be used as area-of-interest, will it is other at the beginning of
Beginning area-of-interest is determined as interference region.
Wherein step (5) be specifically, for the area-of-interest that step (4) extracts, by each region of interest area image
In the gray scales of all pixels carry out read group total and obtain the gray value of each region of interest area image, then by each region of interest
The gray value of area image is summed, and oil smoke concentration assignment is obtained.
The target area of imaging device acquisition indicates that any one frame initial pictures are the imaging of corresponding region S with region S.
Initial pictures are made of m*n pixel,
The gray value of the pixel of frame initial pictures A is indicated afterwards with matrix A H, AH={ ahi,j, ahi,jFrame initial graph after representative
As the i-th row, the corresponding gray value of jth column pixel in A, i is the row where pixel, and j is the column where pixel, 1≤i≤m, 1≤j
≤n；The subregion in frame initial pictures A where the i-th row, jth column pixel is AS afterwardsi,j。
The gray value of the pixel of previous frame initial pictures B indicates with matrix B H, BH={ bhi,j, bhi,jRepresent previous frame initial graph
As the i-th row, the corresponding gray value of jth column pixel in B, the subregion in previous frame initial pictures B where the i-th row, jth column pixel is
BSi,j。
The grey scale pixel value of frame difference image D indicates with matrix D H, DH={ dhi,j}={ | ahi,j-bhi,j|, dhi,jIt represents
I-th row, the corresponding gray value of jth column pixel in frame difference image D, the subregion in frame difference image D where the i-th row, jth column pixel
For DSi,j。
In frame difference image, | dhi,j|=0 region is in black；|dhi,j| ≠ 0 region is in be highlighted.
Etching operation wherein is carried out to frame difference image in step (2), is specifically comprised the following steps:
2-11 arbitrarily defines a convolution kernel θ；
Convolution kernel θ and frame difference image are carried out convolution by 2-12；When convolution kernel θ traverses frame difference image, convolution kernel institute is extracted
The pixel grey scale minimum value p of the convolution results and pixel C being overlapped with convolution kernel center in overlay area；
The gray scale of pixel C passes through Matrix C H={ ck,qIndicate, k, q are the row serial number and column serial number of pixel C,
Obtain the convolution results minimum value pixel matrix P obtained in convolution kernel θ traversal frame difference image process, minimum value
The gray scale of pixel matrix P passes through matrix PH={ pk,qIndicate；
The corresponding imparting pixel C of the gray scale of pixel matrix P is obtained corrosion image by 2-13；
Expansive working is carried out to corrosion image in step (2), is specifically comprised the following steps:
2-21 arbitrarily defines a convolution kernel β；
Convolution kernel β and corrosion image are carried out convolution by 2-22；When convolution kernel β traverses corrosion image, convolution kernel institute is extracted
The pixel grey scale maximum value o of the convolution results and pixel R being overlapped with convolution kernel center in overlay area；
The gray scale of pixel R passes through matrix RH={ rl,vIndicate, l, v are the row serial number and column serial number of pixel R,
Obtain the convolution results maximum value pixel matrix O obtained in convolution kernel β traversal corrosion image process, maximum value
The gray scale of pixel matrix O passes through matrix OH={ ol,vIndicate；
The corresponding imparting pixel R of the gray scale of maximum value pixel matrix O is obtained expanding image, obtained expansion by 2-13
Image is to denoise image.
Wherein step (3) carries out as follows:
3-1 defines a filter Y, and filter is t*t matrix, and t is odd number；
3-2 makes filter Y traversal denoising image, calculates filter and go where the central pixel point at each position
It makes an uproar the gray values of other pixels in the gray value and center pixel vertex neighborhood of image, and filter is calculated according to formula (I)
The edge detection value X of central pixel point at each positionz, z is label when filter Y traversal denoises image,
F, g is the matrix serial number of pixel, and 1≤f≤t, 1≤g≤t, e are pixel of the filter at each position
The gray value of the denoising image at place；α is weight coefficient, corresponding with filter location；
3-3, by central pixel point edge detection value X of the filter at each positionzWith center pixel vertex neighborhood its
The gray value of its pixel subtracts each other, and judges whether the absolute value of difference is greater than threshold value Δ；
Statistics is greater than the quantity of threshold value, if quantity is more thanDetermine the central pixel point pair of filter present position
The pixel position for the denoising image answered is marginal point, and is marked；
3-4, complete denoising image of filter traversal, obtains the markd marginal point of institute, obtains preliminary area-of-interest.
T is 3.
It should be noted that the processing method of above-mentioned image capture module is only to propose one kind of processing method, it is right
The method of the image capture module output data of acquisition cooking zone is merely able to all in the processing method of other image capture modules
It can be applied to the kitchen ventilator of the invention with air cleaning unit linkage, protection scope of the present invention should all be fallen into.
It should be noted that image capture module of the invention is to be examined using camera to cooking zone oil smoke size
It surveys, as long as can be realized above-mentioned function of the invention all can serve as image capture module of the invention.And calculating of the invention
Module is that the polycyclic aromatic hydrocarbon concentration of current cooking zone is calculated by temperature signal and oil smoke signal, which is to calculate
Device or the module for having computing function can be used as computing module of the invention, and the computing module for this type is that industry is raw
The common knowledge of computing module in production, those skilled in the art is it is to be understood that details are not described herein.
Computing module of the present invention carries out Environmental Health grade classification according to polycyclic aromatic hydrocarbon concentration.The present invention can be according to environment
Grade classification, kitchen ventilator can judge whether to need to start air cleaning unit according to environmental rating.Such as when environment etc.
When grade is unhealthy, air cleaning is carried out with regard to starting air cleaning unit, is not started then when environmental rating is health.
Temperature obtains temperature signal and using obtained temperature signal as temperature in temperature sensing module induction cook region
Degree output signal is transmitted to computing module, and image capture module acquisition cooking zone oil smoke image obtains oil smoke output signal and passes
Transport to computing module, computing module receive respectively temperature sensing module temperature output signal and image capture module oil smoke it is defeated
Signal out is then dense to the polycyclic aromatic hydrocarbon that temperature output signal and the processing of oil smoke output signal obtain current cooking zone in real time
Degree, while computing module obtains Environmental Health level signal to polycyclic aromatic hydrocarbon concentration progress Environmental Health grade classification and is sent to
Linkage control device, linkage control device receive the processing of Environmental Health level signal and send to external air cleaning unit and control
Signal.
Linkage control device is provided with signal transmitting and receiving module and net according to the distance and air of outside air purification device
Change the processing module that efficiency is controlled, signal transmitting and receiving module is connected with outside air purification device signal, processing module and meter
Calculate module electrical connection.
Signal transmitting and receiving block search air cleaning unit all in the environment, with cooking zone at a distance from and all air
The air purification efficiency of purification device obtains air cleaning data-signal, and signal transmitting and receiving module sends air cleaning data-signal
To processing module.
Processing module receives the Environmental Health level signal of computing module and the air cleaning data letter of signal transmitting and receiving module
Number, processing module simultaneously carries out outer according to outside air purification device distance and the corresponding air purification efficiency of air cleaning unit
Portion's air cleaning unit judges preferred rank, and then processing module obtains control signal and is sent to signal transmitting and receiving module, signal
The control signal of transceiver module receiving processing module is simultaneously sent to corresponding air cleaning unit.
The kitchen ventilator to link with air cleaning unit, is provided with smoke machine main body, according to temperature in the cooking zone of detection
To there is the oil smoke size of cooking zone to carry out that the current polycyclic aromatic hydrocarbon concentration of cooking zone is calculated and obtain Environmental Health grade
It the polycyclic aromatic hydrocarbon detection device of signal and is connect with outside air purification device signal and controls the connection of outside air purification device
Dynamic control device, polycyclic aromatic hydrocarbon detection device are electrically connected with linkage control device and smoke machine main body respectively.Oil smoke function detection
The polycyclic aromatic hydrocarbon concentration of current cooking zone can simultaneously link with outside air purification device, to make containing polycyclic aromatic hydrocarbon
Air obtain timely purified treatment, ensure the health of user.
Embodiment 2.
A kind of kitchen ventilator with air cleaning unit linkage, other features are same as Example 1, the difference is that: this
The linkage control device of embodiment is connect with outside air purification device wireless signal.
Wireless signal of the invention is connected as WiFi signal connection, Bluetooth signal connection, the connection of NFC signal or ZIGBee
Signal connection etc., depending on specific selection according to the actual situation.The present embodiment is specially WiFi signal connection.
Compared with Example 1, the wireless signal connection of the present embodiment is more flexible.
Embodiment 3.
A kind of kitchen ventilator with air cleaning unit linkage, other features are same as Example 1, the difference is that: meter
The calculation formula for calculating module is formula (I),
CPolycyclic aromatic hydrocarbon+ 475.1 formula (I) of+0.33 κ λ of+0.05 λ of=0.05 κ,
Wherein CPolycyclic aromatic hydrocarbon: for the multiring aromatic hydrocarbon gas total concentration in cooking zone, κ is the output data of temperature sensing module,
λ is the output data of image capture module.
When κ ∈ (0 DEG C, 200 DEG C), (0,300) λ ∈, C(2-3)=70%CPolycyclic aromatic hydrocarbon:, C(4)=20%CPolycyclic aromatic hydrocarbon:, C(5-6)=10%
CPolycyclic aromatic hydrocarbon:.
When κ ∈ (200 DEG C, 240 DEG C), (300,500) λ ∈, C(2-3)=60%CPolycyclic aromatic hydrocarbon:, C(4)=25%CPolycyclic aromatic hydrocarbon:,
C(5-6)=15%CPolycyclic aromatic hydrocarbon:.
Wherein C(2-3)For the concentration of two ring polycyclic aromatic hydrocarbons and three ring polycyclic aromatic hydrocarbons, C(4)For the concentration of four ring polycyclic aromatic hydrocarbons,
C(5-6)For the concentration of five ring polycyclic aromatic hydrocarbons and six ring polycyclic aromatic hydrocarbons.
Such as when κ is 100 DEG C, when λ is 100, the data value of κ and λ is directly substituted into formula respectively, count to obtain CPolycyclic aromatic hydrocarbon: for
3785.1 and CPolycyclic aromatic hydrocarbon: unit be pg/m3, i.e., the concentration of the polycyclic aromatic hydrocarbon in current environment is 3785.1pg/m3。C(2-3)'s
Concentration is 2649.57pg/m3, C(4)Concentration be 757.02pg/m3, C(5-6)Concentration be 378.51pg/m3。
The kitchen ventilator of the present embodiment can be counted by temperature in detection cooking zone and the oil smoke size of cooking zone
Calculation obtains the polycyclic aromatic hydrocarbon concentration of current cooking zone, and it is polycyclic can to calculate two ring polycyclic aromatic hydrocarbons in current environment, tricyclic
The concentration of aromatic hydrocarbons, four ring polycyclic aromatic hydrocarbons, five ring polycyclic aromatic hydrocarbons and six ring polycyclic aromatic hydrocarbons.
Embodiment 4.
A kind of kitchen ventilator with air cleaning unit linkage, other features are same as Example 1, the difference is that: meter
The calculation formula for calculating module is formula (II),
CPolycyclic aromatic hydrocarbon=0.05 κ0.98+0.05λ1.05+ 469.5 formula of+0.33 κ λ (II).
Wherein CPolycyclic aromatic hydrocarbon: for the multiring aromatic hydrocarbon gas total concentration in cooking zone, κ is the output data of temperature sensing module,
λ is the output data of image capture module.
When κ ∈ (0 DEG C, 200 DEG C), (0,300) λ ∈, C(2-3)=70%CPolycyclic aromatic hydrocarbon:, C(4)=20%CPolycyclic aromatic hydrocarbon:, C(5-6)=10%
CPolycyclic aromatic hydrocarbon:.
When κ ∈ (200 DEG C, 240 DEG C), (300,500) λ ∈, C(2-3)=60%CPolycyclic aromatic hydrocarbon:, C(4)=25%CPolycyclic aromatic hydrocarbon:,
C(5-6)=15%CPolycyclic aromatic hydrocarbon:.
Wherein C(2-3)For the concentration of two ring polycyclic aromatic hydrocarbons and three ring polycyclic aromatic hydrocarbons, C(4)For the concentration of four ring polycyclic aromatic hydrocarbons,
C(5-6)For the concentration of five ring polycyclic aromatic hydrocarbons and six ring polycyclic aromatic hydrocarbons.
Such as when κ is 100 DEG C, when λ is 100, the data value of κ and λ is directly substituted into formula respectively, count to obtain CPolycyclic aromatic hydrocarbon: for
3780.35 and CPolycyclic aromatic hydrocarbonUnit be pg/m3, i.e., the concentration of the polycyclic aromatic hydrocarbon in current environment is 3780.35pg/m3。C(2-3)'s
Concentration is 2646.245pg/m3, C(4)Concentration be 756.07pg/m3, C(5-6)Concentration be 378.035pg/m3。
The kitchen ventilator of the present embodiment can be counted by temperature in detection cooking zone and the oil smoke size of cooking zone
Calculation obtains the polycyclic aromatic hydrocarbon concentration of current cooking zone, and it is polycyclic can to calculate two ring polycyclic aromatic hydrocarbons in current environment, tricyclic
The concentration of aromatic hydrocarbons, four ring polycyclic aromatic hydrocarbons, five ring polycyclic aromatic hydrocarbons and six ring polycyclic aromatic hydrocarbons.
Embodiment 5.
A kind of kitchen ventilator with air cleaning unit linkage, other features are identical as embodiment 3 or embodiment 4, different
Place is: computing module of the invention carries out Environmental Health grade classification according to polycyclic aromatic hydrocarbon concentration.
The present embodiment is to carry out Health Category division according to GBT18883-2 Indoor Air Quality standards, and the present invention can also
To be divided according to other quality standards, such as " environmental quality standards " of GB3059-2012, WTO.The present invention can also root
It is divided according to other preset environmental quality values.
The present embodiment is that be averaged limiting concentration and the polycyclic aromatic hydrocarbon concentrations versus of benzo [a] pyrene of national regulations carries out environment etc.
Grade divides.
Work as CPolycyclic aromatic hydrocarbon: < CBenzo [a] pyreneWhen, it is determined as Health Category, works as CPolycyclic aromatic hydrocarbon: >=CBenzo [a] pyreneWhen, when judgement, then it is determined as
Unhealthy grade.
Wherein CBenzo [a] pyreneIt is averaged limiting concentration, and C for benzo [a] pyrene of national regulationsBenzo [a] pyrene=1ng/m3。
Compared with embodiment 3 or 4, the present embodiment carries out Environmental Health grade classification, Neng Gougeng according to polycyclic aromatic hydrocarbon concentration
Add the air quality for intuitively going to judge current cooking environments.
Embodiment 6.
A kind of kitchen ventilator with air cleaning unit linkage, other features are same as Example 5, the difference is that: it is more
Benzo [a] pyrene of the cycloaromatics concentration and national regulations limiting concentration that is averaged is divided by and carries out Environmental Health grade classification, such as formula (III):
As 0≤ε≤0.5, then it is determined as Health Category, as 0.5 < ε≤1, is then determined as good level, as ε > 1
When, then it is determined as unhealthy grade.
Compared with embodiment 3 or 4, the present embodiment carries out Environmental Health grade classification, Neng Gougeng according to polycyclic aromatic hydrocarbon concentration
Add the air quality for intuitively going to judge current cooking environments.
Embodiment 6.
A kind of kitchen ventilator with air cleaning unit linkage, other features are identical as embodiment 5 or embodiment 6, different
Place is: it is the more of result progress after being weighted with polycyclic aromatic hydrocarbon concentration and equivalent virulence factor that polycyclic aromatic hydrocarbon environmental rating, which divides,
Cycloaromatics environmental rating divides.
By formula (IV) count polycyclic aromatic hydrocarbon total yield toxic concentration:
Wherein BEQ is the total yield virulence factor of polycyclic aromatic hydrocarbon, and μ is the label of polycyclic aromatic hydrocarbon type, 1≤μ≤ξ and μ and ξ
For natural number, beqμFor the equivalent toxic concentration of μ kind polycyclic aromatic hydrocarbon, beqμIt is counted by formula (V),
beqμ=Cμ*TEFμFormula (V),
CμFor the concentration of μ kind polycyclic aromatic hydrocarbon, TEFμFor the corresponding equivalent virulence factor of μ kind polycyclic aromatic hydrocarbon.It is different polycyclic
The equivalent virulence factor of aromatic hydrocarbons is as shown in table 1:
Table 1 is the equivalent virulence factor of various polycyclic aromatic hydrocarbons
Compared with embodiment 5 or embodiment 6, this embodiment introduces the equivalent virulence factor of different polycyclic aromatic hydrocarbons, because
It is different for the toxicity for different polycyclic aromatic hydrocarbons, thus harm to the human body is also different.
Embodiment 8.
A kind of kitchen ventilator with air cleaning unit linkage, other features are same as Example 7, the difference is that: this
Embodiment be polycyclic aromatic hydrocarbon total yield toxic concentration and national regulations benzo [a] pyrene be averaged limiting concentration comparison progress environment
Grade classification；
As BEQ < CBenzo [a] pyreneWhen, when, then it is determined as Health Category, as BEQ >=CBenzo [a] pyreneWhen, when, then it is determined as unhealthy
Grade.
Compared with Example 5, this embodiment introduces the equivalent virulence factors of different polycyclic aromatic hydrocarbons, because for different
The toxicity of polycyclic aromatic hydrocarbon is different, thus harm to the human body is also different.
Embodiment 9.
A kind of kitchen ventilator with air cleaning unit linkage, other features are same as Example 7, the difference is that: it is more
The total yield toxic concentration of cycloaromatics and benzo [a] pyrene of national regulations be averaged limiting concentration be divided by carry out Environmental Health grade draw
Point, such as formula (VI):
As 0≤δ≤0.5, then it is determined as Health Category, as 0 < δ≤1, is then determined as good level, as δ > 1,
Then it is determined as unhealthy grade.
Compared with Example 6, this embodiment introduces the equivalent virulence factors of different polycyclic aromatic hydrocarbons, because for different
The toxicity of polycyclic aromatic hydrocarbon is different, thus harm to the human body is also different.
Embodiment 10.
A kind of linkage selection control method, the kitchen ventilator that there is the air cleaning unit such as embodiment 1 to 9 to link, including
Step has:
Step 1, linkage control device detect air cleaning unit all in current environment, all air cleaning units
With at a distance from cooking zone and the air purification efficiency of all air cleaning units；
Step 2: linkage control device calculates the corresponding preferred class value of all air cleaning units；
Step 3: the preferred maximum air cleaning unit of class value is opened in linkage control device control.
It is preferred that (i) class value is indicated by formula,
Π=f (L-Q1,ηQ2,σ0 K0,σ1 K1,......,σn Kn,ρτ) formula is (i)；
Wherein Π is preferred class value,
L is air cleaning unit at a distance from cooking zone,
η is the air purification efficiency of air cleaning unit,
Q1 is the order and Q1 > 0 of L,
Q2 is the order and Q2 > 0 of η,
σ0, σ1... ..., σnFor the other calculating parameter of priority,
K0, K1 ... ..., Kn are respectively σ0, σ1... ..., σnOrder, and K0 ∈ (- ∞ ,+∞), K1 ∈ (- ∞ ,+
∞) ... ..., Kn ∈ (- ∞ ,+∞),
ρτFor the friendship phase factor of L and η.
Compared with Example 1, the present embodiment
It should be noted that σ of the invention0, σ1... ..., σnAnd ρτIt is according to the performance of air cleaning unit or in fact
Depending on parameter, σ0, σ1... ..., σnAnd ρτOccurrence according to the actual situation depending on.
The linkage selects control method to select by three steps progress kitchen ventilators and air cleaning unit linkage, filters out
It is preferred that the maximum air cleaning unit of class value, thus the air purification effect being optimal.
Embodiment 11.
A kind of linkage selection control method, other features are same as in Example 10, the difference is that: preferred class value is logical
Formula is crossed (ii) to count,
Wherein Π is preferred class value, and L is air cleaning unit at a distance from cooking zone, and η is air cleaning unit
Air purification efficiency.
Compared with Example 1, the preferred class value of the present embodiment is only related with distance and air purification efficiency, relative to reality
The calculating for applying the preferred class value of example 1 becomes simplified.
Embodiment 11.
(ii) a kind of linkage selection control method, preferably class value are counted by formula,
Wherein Π is preferred class value, and L is air cleaning unit at a distance from cooking zone, and η is air cleaning unit
Air purification efficiency.
Air cleaning unit 1:L=3m, η=70%, so Π=0.78.
Air cleaning unit 2:L=5m, η=90%, so Π=0.36.
Therefore linkage control device selection air cleaning unit 2 is opened.It may determine that not by preferred class value
With the effect that air cleaning unit purifies the air containing polycyclic aromatic hydrocarbon in current cooking zone, when preferred class value is got over
Greatly, clean-up effect is better.
Oil smoke function carries out Environmental Health grade classification to the concentration of the polycyclic aromatic hydrocarbon of current environment, while the kitchen ventilator is also
With blast velocity control module, cue module and firepower control module, current environment Health Category automatically adjusts wind speed and external furnace
The firepower of tool reduces the concentration of the polycyclic aromatic hydrocarbon of current environment, while call user's attention is protected.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than protects to the present invention
The limitation of range, although the invention is described in detail with reference to the preferred embodiments, those skilled in the art should be managed
Solution, can be with modifying or equivalently replacing the technical solution of the present invention, without departing from the essence and model of technical solution of the present invention
It encloses.
Claims (13)
1. a kind of kitchen ventilator with air cleaning unit linkage, it is characterised in that: it is provided with smoke machine main body, the culinary art according to detection
Temperature is in region to have the oil smoke size of cooking zone to carry out that the current polycyclic aromatic hydrocarbon concentration of cooking zone is calculated and obtain ring
It the polycyclic aromatic hydrocarbon detection device of border Health Category signal and is connect with outside air purification device signal and to control outside air net
Disguise the linkage control device set, polycyclic aromatic hydrocarbon detection device is electrically connected with linkage control device and smoke machine main body respectively；
Polycyclic aromatic hydrocarbon detection device detects the polycyclic aromatic hydrocarbon concentration in current cooking zone and obtains Environmental Health level signal and pass
Linkage control device is transported to, linkage control device receives Environmental Health level signal, while linkage control device detection is external empty
Air purifying apparatus data obtain air cleaning data-signal, and linkage control device is according to Environmental Health level signal and air cleaning
Data-signal processing simultaneously sends control signal to external air cleaning unit, and outside air purification device carries out air cleaning.
2. the kitchen ventilator according to claim 1 with air cleaning unit linkage, it is characterised in that: the linkage control dress
It sets and is connect with outside air purification device wire signal.
3. the kitchen ventilator according to claim 2 with air cleaning unit linkage, it is characterised in that: the wire signal connects
It is connected in the connection of RS232 signal, the connection of RS485 signal, usb signal connection, the connection of GPIB signal or CAN signal connection.
4. the kitchen ventilator according to claim 1 with air cleaning unit linkage, it is characterised in that: the linkage control dress
It sets and is connect with outside air purification device wireless signal.
5. the kitchen ventilator according to claim 5 with air cleaning unit linkage, it is characterised in that: the wireless signal connects
It is connected in WiFi signal connection, Bluetooth signal connection, the connection of NFC signal or the connection of ZIGBee signal.
6. the kitchen ventilator to link according to claim 3 or 5 with air cleaning unit, it is characterised in that: the polycyclic virtue
Hydrocarbon detection device is provided with for detecting the temperature sensing module of temperature in cooking zone, for cooking zone oil smoke image point
It analyses and the image capture module for obtaining generation oil smoke size in real time and polycyclic aromatic hydrocarbon concentration for calculating current cooking zone
Computing module, temperature sensing module and image capture module are electrically connected with computing module respectively；
Temperature obtains temperature signal and obtained temperature signal is defeated as temperature in temperature sensing module induction cook region
Signal is transmitted to computing module out, and image capture module acquisition cooking zone oil smoke image obtains oil smoke output signal and is transmitted to
Computing module, computing module receive the temperature output signal of temperature sensing module and the oil smoke output letter of image capture module respectively
Number, then obtain the polycyclic aromatic hydrocarbon concentration of current cooking zone in real time to temperature output signal and the processing of oil smoke output signal.
7. the kitchen ventilator according to claim 6 with air cleaning unit linkage, it is characterised in that: the computing module is
It constructs to obtain the mathematical relationship about temperature and oil smoke size and polycyclic aromatic hydrocarbon concentration in pernicious gas in oil smoke with mathematical modeling
Computing module.
8. the kitchen ventilator according to claim 7 with air cleaning unit linkage, it is characterised in that: the computing module is
Lienar for computing module, NONLINEAR CALCULATION module, exponential type computing module, power type computing module, logarithmic computing module, class mind
Through network query function module, machine learning computing module or deep learning computing module.
9. the kitchen ventilator according to claim 8 with air cleaning unit linkage, it is characterised in that: the computing module root
Environmental Health grade classification is carried out according to polycyclic aromatic hydrocarbon concentration；
Temperature obtains temperature signal and obtained temperature signal is defeated as temperature in temperature sensing module induction cook region
Signal is transmitted to computing module out, and image capture module acquisition cooking zone oil smoke image obtains oil smoke output signal and is transmitted to
Computing module, computing module receive the temperature output signal of temperature sensing module and the oil smoke output letter of image capture module respectively
Number, then obtain the polycyclic aromatic hydrocarbon concentration of current cooking zone in real time to temperature output signal and the processing of oil smoke output signal, together
When computing module Environmental Health grade classification is carried out to polycyclic aromatic hydrocarbon concentration obtain Environmental Health level signal and be sent to linkage
Control device, linkage control device receive the processing of Environmental Health level signal and send control letter to external air cleaning unit
Number.
10. the kitchen ventilator according to claim 9 with air cleaning unit linkage, it is characterised in that: the linkage control
Device is provided with signal transmitting and receiving module and is controlled according to the distance and air purification efficiency of outside air purification device
Processing module, signal transmitting and receiving module are connected with outside air purification device signal, and processing module is electrically connected with computing module；
Signal transmitting and receiving block search air cleaning unit all in the environment, with cooking zone at a distance from and all air cleanings
The air purification efficiency of device obtains air cleaning data-signal, and air cleaning data-signal is sent to place by signal transmitting and receiving module
Module is managed,
Processing module receives the Environmental Health level signal of computing module and the air cleaning data-signal of signal transmitting and receiving module, place
It manages module and is carried out according to outside air purification device distance and the corresponding air purification efficiency of air cleaning unit external empty
Air purifying apparatus judges preferred rank, and then processing module obtains control signal and is sent to signal transmitting and receiving module, signal transmitting and receiving
The control signal of module receiving processing module is simultaneously sent to corresponding air cleaning unit.
11. a kind of linkage selects control method, there is the oil smoke with air cleaning unit linkage as described in claim 1-10
Machine, which is characterized in that including the following steps:
Step 1, linkage control device detect air cleaning unit all in current environment, all air cleaning units and cook
The distance in region of preparing food and the air purification efficiency of all air cleaning units；
Step 2: linkage control device calculates the corresponding preferred class value of all air cleaning units；
Step 3: the preferred maximum air cleaning unit of class value is opened in linkage control device control.
12. linkage according to claim 11 selects control method, it is characterised in that: (i) the preferred class value passes through formula
It indicates,
Π=f (L-Q1,ηQ2,σ0 K0,σ1 K1,......,σn Kn,ρτ) formula is (i)；
Wherein Π is preferred class value,
L is air cleaning unit at a distance from cooking zone,
η is the air purification efficiency of air cleaning unit,
Q1 is the order and Q1 > 0 of L,
Q2 is the order and Q2 > 0 of η,
σ0, σ1... ..., σnFor the other calculating parameter of priority,
K0, K1 ... ..., Kn are respectively σ0, σ1... ..., σnOrder, and K0 ∈ (- ∞ ,+∞), K1 ∈ (- ∞ ,+∞) ... ...,
Kn ∈ (- ∞ ,+∞),
ρτFor the friendship phase factor of L and η.
13. linkage according to claim 11 selects control method, it is characterised in that: (ii) the preferred class value passes through formula
It counts,
Wherein Π is preferred class value, and L is air cleaning unit at a distance from cooking zone, and η is the air of air cleaning unit
Purification efficiency.
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| CN102788718B (en) * | 2012-09-04 | 2014-05-14 | 南京大学 | Passive sampler for polycyclic aromatic hydrocarbon in indoor air and sampling testing method thereof |
| KR20170055879A (en) * | 2015-11-12 | 2017-05-22 | 동국대학교 산학협력단 | Cooking apparatus for detecting polycyclic aromatic hydrocarbon |
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