CN109654562A - A kind of and mobile united kitchen ventilator of photographing device - Google Patents
A kind of and mobile united kitchen ventilator of photographing device Download PDFInfo
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- CN109654562A CN109654562A CN201811632009.9A CN201811632009A CN109654562A CN 109654562 A CN109654562 A CN 109654562A CN 201811632009 A CN201811632009 A CN 201811632009A CN 109654562 A CN109654562 A CN 109654562A
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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
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- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
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Abstract
A kind of and mobile united kitchen ventilator of photographing device, it is provided with smoke machine main body, for oil smoke picture analyzing and detecting the harmful substance detection device of temperature in cooking zone, oil smoke size, particle concentration and polycyclic aromatic hydrocarbon concentration and for the mobile photographing device to cooking zone oil smoke picture collection, harmful substance detection device is electrically connected with smoke machine main body, and mobile photographing device is connect with harmful substance detection device signal.The oil smoke function is used in combination with mobile photographing device, detect temperature, oil smoke size, the concentration of PM2.5, the concentration of PM10 and polycyclic aromatic hydrocarbon concentration in cooking zone, moreover it is possible to carry out Health Category division to according to particle concentration, polycyclic aromatic hydrocarbon concentration and volatile organic matter concentration.The kitchen ventilator also has blast velocity control module, cue module and firepower control module, and current environment Health Category automatically adjusts the firepower of wind speed and external stove, reduces the concentration of narmful substance of current environment, while call user's attention is protected.
Description
Technical field
The present invention relates to kitchen ventilator field, in particular to a kind of and mobile united kitchen ventilator of photographing device.
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 and a variety of particulate matters, has considerable part that there is carcinogenicity, such as benzo in multiring aromatic hydrocarbon substance
[α] pyrene, particulate matter have different degrees of influence to human respiratory.The kitchen ventilator of the prior art can not automatic identification it is current
The multiring aromatic hydrocarbon substance concentration of oil smoke in cooking environments, greatly limits the intelligent development of kitchen ventilator.
Therefore in view of the shortcomings of the prior art, providing a kind of and mobile united kitchen ventilator of photographing device to solve the prior art
It is insufficient very necessary.
Summary of the invention
There is provided it is an object of the invention to avoid in place of the deficiencies in the prior art it is a kind of with to move photographing device united
Kitchen ventilator.Polycyclic aromatic hydrocarbon concentration in cooking environments before should being identified with the united oil smoke function of mobile photographing device, oil smoke size and
Detect particle concentration.
Above-mentioned purpose of the invention is realized by following technical measures:
A kind of and mobile united kitchen ventilator of photographing device is provided, is provided with smoke machine main body, for oil smoke picture analyzing
And detect temperature in cooking zone, oil smoke size, particle concentration and polycyclic aromatic hydrocarbon concentration harmful substance detection device and
For the mobile photographing device to cooking zone oil smoke picture collection, harmful substance detection device is electrically connected with smoke machine main body, is moved
Dynamic photographing device is connect with harmful substance detection device signal.
Mobile photographing device acquisition cooking zone oil smoke image obtains picture signal and is sent to harmful substance detection device,
Harmful substance detection device receives image signal process and obtains picture signal, and harmful substance detection device simultaneously carries out in cooking zone
Concentration of narmful substance detects to obtain concentration of narmful substance signal, and concentration of narmful substance signal is sent to by harmful substance detection device
Smoke machine main body.
Preferably, above-mentioned signal is connected as wireless signal connection.
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 signal is connected as wire signal connection.
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.
Preferably, above-mentioned harmful substance detection device is provided with the temperature sensing mould for detecting temperature in cooking zone
Block, the PM2.5 sensor for being less than or equal to 2.5 micron particles object concentration for detecting equivalent diameter in current cooking zone oil smoke,
For detecting PM10 sensor of the equivalent diameter less than or equal to 10 micron particles object concentration in current cooking zone oil smoke and being used for
Calculate the computing module of the polycyclic aromatic hydrocarbon concentration of current cooking zone, temperature sensing module, PM2.5 sensor, PM10 sensor
It is electrically connected respectively with computing module with mobile photographing device, temperature sensing module, PM2.5 sensor, PM10 sensor, mobile bat
It is electrically connected respectively with smoke machine main body according to equipment and computing module.
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 PM2.5 sensor acquires equivalent diameter in current cooking zone oil smoke and is less than or equal to 2.5
Micron particles object concentration obtains PM2.5 concentration signal and is transmitted to computing module, and PM10 sensor acquires current cooking zone oil
Equivalent diameter obtains PM10 concentration signal and is transmitted to computing module less than or equal to 10 micron particles object concentration in cigarette, computing module
Temperature output signal, picture signal, PM2.5 concentration signal and PM10 concentration signal are received respectively then handles real-time obtain currently
The polycyclic aromatic hydrocarbon concentration of cooking zone.
Preferably, above-mentioned computing module be construct to obtain with mathematical modeling about temperature, oil smoke size in cooking zone with
And the computing module of particle concentration and the mathematical relationship of polycyclic aromatic hydrocarbon concentration in pernicious gas in oil smoke.
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 be according to particle concentration, polycyclic aromatic hydrocarbon concentration and volatile organic matter concentration into
The computing module that row Health Category divides.
Computing module carries out Health Category division according to particle concentration, polycyclic aromatic hydrocarbon concentration and volatile organic matter concentration
Health Category signal is obtained, Health Category signal is sent to smoke machine main body by computing module, and smoke machine main body receives Health Category letter
It number is adjusted.
Preferably, above-mentioned smoke machine main body is provided with blast velocity control module, cue module and with stove outside environmental Kuznets Curves
Firepower control module, blast velocity control module, cue module and firepower control module are electrically connected with computing module respectively, firepower control
Module is electrically connected with external stove.
Computing module is good for according to picture signal, particle concentration, polycyclic aromatic hydrocarbon concentration and volatile organic matter concentration
Health grade classification obtains Health Category signal, and Health Category signal is respectively sent to blast velocity control module, prompt by computing module
Module and firepower control module, blast velocity control module receive Health Category signal and carry out wind speed adjusting, and cue module receives health
Level signal prompt when Health Category to user, and firepower control module receives Health Category signal and carries out fire to external stove
Power is adjusted.
Preferably, above-mentioned mobile photographing device is mobile phone or tablet computer.
One kind of the invention and the mobile united kitchen ventilator of photographing device, are provided with smoke machine main body, for oil smoke picture
Analyze and detect the harmful substance detection dress of temperature in cooking zone, oil smoke size, particle concentration and polycyclic aromatic hydrocarbon concentration
It sets and for the mobile photographing device to cooking zone oil smoke picture collection, harmful substance detection device is electrically connected with smoke machine main body
It connects, mobile photographing device connect oil smoke function of the invention with harmful substance detection device signal combines with mobile photographing device makes
With temperature, oil smoke size, the concentration of PM2.5, the concentration of PM10 and polycyclic aromatic hydrocarbon concentration in detection cooking zone, moreover it is possible to root
Health Category division is carried out according to particle concentration, polycyclic aromatic hydrocarbon concentration and volatile organic matter concentration.The kitchen ventilator also has simultaneously
There are blast velocity control module, cue module and firepower control module, current environment Health Category automatically adjusts wind speed and external stove
Firepower, reduce the concentration of narmful substance of current environment, at the same call user's attention protect.
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 of a kind of of embodiment 1 with the mobile united kitchen ventilator of photographing device.
Fig. 2 is the workflow schematic diagram of a kind of of embodiment 5 with the mobile united kitchen ventilator of photographing device.
Specific embodiment
Technical solution of the present invention is described further with the following Examples.
Embodiment 1.
A kind of and mobile united kitchen ventilator of photographing device, as shown in Figure 1, being provided with smoke machine main body, for oil smoke figure
The harmful substance detection of temperature in cooking zone, oil smoke size, particle concentration and polycyclic aromatic hydrocarbon concentration is analyzed and detected to piece
Device and for the mobile photographing device to cooking zone oil smoke picture collection, harmful substance detection device is electrically connected with smoke machine main body
It connects, mobile photographing device is connect with harmful substance detection device signal.
Mobile photographing device acquisition cooking zone oil smoke image obtains picture signal and is sent to harmful substance detection device,
Harmful substance detection device receives image signal process and carries out concentration of narmful substance in cooking zone and detects to obtain harmful substance
Concentration of narmful substance signal is sent to smoke machine main body by concentration signal, harmful substance detection device.
Signal connection of the invention can connect for wireless signal, or wire signal connection.When signal is connected as
Wireless signal connect when, wireless signal connection can for WIFI signal connection, Bluetooth signal connection, NFC signal connection or
ZIGBee signal connection in any one.When signal is connected as wire signal connection, wire signal connection can be RS232
Signal connection, RS485 signal connection, usb signal connection, GPIB signal connection or CAN signal connection in any one.Letter
Number connection specific connection type according to the actual situation depending on.
The signal of the present embodiment is connected as wireless signal connection, and connects for WIFI signal.
Harmful substance detection device is provided with for detecting the temperature sensing module of temperature in cooking zone, working as detecting
Equivalent diameter is less than or equal to the PM2.5 sensor of 2.5 micron particles object concentration, currently cooks for detecting in preceding cooking zone oil smoke
Equivalent diameter in the oil smoke of region of preparing food is less than or equal to the PM10 sensor of 10 micron particles object concentration and for calculating current cooking area
The computing module of the polycyclic aromatic hydrocarbon concentration in domain, temperature sensing module, PM2.5 sensor, PM10 sensor and mobile photographing device
It is electrically connected respectively with computing module, temperature sensing module, PM2.5 sensor, PM10 sensor, mobile photographing device and calculating mould
Block is electrically connected with smoke machine main body respectively；
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 PM2.5 sensor acquires equivalent diameter in current cooking zone oil smoke and is less than or equal to 2.5
Micron particles object concentration obtains PM2.5 concentration signal and is transmitted to computing module, and PM10 sensor acquires current cooking zone oil
Equivalent diameter obtains PM10 concentration signal and is transmitted to computing module less than or equal to 10 micron particles object concentration in cigarette, computing module
Temperature output signal, picture signal, PM2.5 concentration signal and PM10 concentration signal are received respectively then handles real-time obtain currently
The polycyclic aromatic hydrocarbon concentration of cooking zone.
Computing module of the present invention is to construct to obtain about temperature, oil smoke size and particle in cooking zone with mathematical modeling
The computing module of object concentration and the mathematical relationship of polycyclic aromatic hydrocarbon concentration in pernicious gas in oil smoke.
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 the concentration of middle particulate matter and oil smoke.According to different experiment conditions
Carry out sample detecting obtain variety classes polycyclic aromatic hydrocarbon concentration carry out analysis sort out obtain mathematical model, so that computing module can
Judge that current variety classes polycyclic aromatic hydrocarbon is dense according to the testing conditions of the concentration of particulate matter in temperature in cooking zone and oil smoke
Degree.
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.
The picture signal processing method of computing module are as follows:
Computing module will be handled based on the initial pictures of mobile photographing device acquisition, 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:
Computing module makes the difference a later frame image with previous frame image according to the sequencing of the initial pictures received,
Obtain 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.
Computing module indicates according to the target area of acquisition with region S, any one frame initial pictures be corresponding region S at
Picture.
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 picture signal processing method of above-mentioned computing module is only to propose one kind of processing side
Method, the method for being merely able to obtain the computing module output data of cooking zone for the processing method of other computing modules are ok
Applied to the kitchen ventilator that can identify pernicious gas in oil smoke of the invention, protection scope of the present invention should all be fallen into.
It should be noted that mobile photographing device of the invention is using camera to cooking zone oil smoke picture, as long as energy
Enough realize that above-mentioned function of the invention all can serve as mobile photographing device of the invention.And computing module of the invention is to pass through
Temperature output signal, picture signal, PM2.5 concentration signal and PM10 concentration signal calculate the polycyclic aromatic hydrocarbon of current cooking zone
Concentration, which is that calculator or the module for having computing function can be used as computing module of the invention, for this
The computing module of type is the common knowledge of the computing module in industrial production, and those skilled in the art is it is to be understood that herein
It repeats no more.
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.
It is a kind of with the mobile united kitchen ventilator of photographing device, be provided with smoke machine main body, for oil smoke picture analyzing and examining
It surveys the harmful substance detection device of temperature in cooking zone, oil smoke size, particle concentration and polycyclic aromatic hydrocarbon concentration and is used for
To the mobile photographing device of cooking zone oil smoke picture collection, harmful substance detection device is electrically connected with smoke machine main body, mobile to clap
It is connect according to equipment with harmful substance detection device signal.Oil smoke function of the invention is used in combination with mobile photographing device, detects
Temperature, oil smoke size, the concentration of PM2.5, the concentration of PM10 and polycyclic aromatic hydrocarbon concentration in cooking zone.
Embodiment 2.
A kind of and mobile united kitchen ventilator of photographing device, other features are same as Example 1, the difference is that: meter
The calculation formula for calculating module is formula (I),
CPolycyclic aromatic hydrocarbon+ 0.0015 (C of+0.05 λ of=0.05 κPM2.5+CPM10)+6*10-5κλ(CPM2.5+CPM10)+475.1 ... formulas (I)；
Wherein CPolycyclic aromatic hydrocarbonFor the multiring aromatic hydrocarbon gas total concentration in cooking zone, κ is the output data of temperature sensing module, λ
It is computing module to picture signal treated output data, CPM2.5For the output data of PM2.5 sensor, CPM10For PM10 biography
The output data of sensor.
As κ ∈ (0 DEG C, 200 DEG C), (CPM2.5+CPM10)∈(0μg/m3,3000μg/m3), when (0,300) λ ∈, C(2-3)=
70%CPolycyclic aromatic hydrocarbon,C(4)=20%CPolycyclic aromatic hydrocarbon, C(5-6)=10%CPolycyclic aromatic hydrocarbon。
As κ ∈ (200 DEG C, 240 DEG C), (CPM2.5+CPM10)∈(3000μg/m3,5000μg/m3), when (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, (CPM2.5+CPM10) it is 1000 μ g/m3, when λ is 100, respectively by κ, (CPM2.5+CPM10)
It is directly substituted into formula with the data value of λ, counts to obtain CPolycyclic aromatic hydrocarbonFor 1086.6 and CPolycyclic aromatic hydrocarbonUnit be pg/m3, i.e., in current environment
The concentration of polycyclic aromatic hydrocarbon is 1086.6pg/m3。C(2-3)Concentration be 760.62pg/m3, C(4)Concentration be 217.32pg/m3,
C(5-6)Concentration be 108.66pg/m3。
The kitchen ventilator of the present embodiment can by detection cooking zone in temperature, the concentration of PM2.5 and PM10 concentration into
The polycyclic aromatic hydrocarbon concentration of current cooking zone is calculated in row, can calculate two ring polycyclic aromatic hydrocarbons in current environment, tricyclic
The concentration of polycyclic aromatic hydrocarbon, four ring polycyclic aromatic hydrocarbons, five ring polycyclic aromatic hydrocarbons and six ring polycyclic aromatic hydrocarbons.
Embodiment 3.
A kind of and mobile united kitchen ventilator of photographing device, 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+0.0015(CPM2.5+CPM10)1.05+6*10-5κλ(CPM2.5+CPM10)+
469.5 ... formulas (II)；
Wherein CPolycyclic aromatic hydrocarbonFor the multiring aromatic hydrocarbon gas total concentration in cooking zone, κ is the output data of temperature sensing module, λ
It is computing module to picture signal treated output data, CPM2.5For the output data of PM2.5 sensor, CPM10For PM10 biography
The output data of sensor.
As κ ∈ (0 DEG C, 200 DEG C), (CPM2.5+CPM10)∈(0μg/m3,3000μg/m3), when (0,300) λ ∈, C(2-3)=
70%CPolycyclic aromatic hydrocarbon,C(4)=20%CPolycyclic aromatic hydrocarbon,C(5-6)=10%CPolycyclic aromatic hydrocarbon。
As κ ∈ (200 DEG C, 240 DEG C), (CPM2.5+CPM10)∈(3000μg/m3,5000μg/m3), when (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, (CPM2.5+CPM10) it is 1000 μ g/m3, when λ is 100, respectively by κ, (CPM2.5+CPM10)
It is directly substituted into formula with the data value of λ, counts to obtain CPolycyclic aromatic hydrocarbonFor 1076.243 and CPolycyclic aromatic hydrocarbonUnit be pg/m3, i.e., in current environment
Polycyclic aromatic hydrocarbon concentration be 1076.243pg/m3。C(2-3)Concentration be 753.3701pg/m3, C(4)Concentration be
215.2486pg/m3, C(5-6)Concentration be 107.6243pg/m3。
The kitchen ventilator of the present embodiment can by detection cooking zone in temperature, the concentration of PM2.5 and PM10 concentration into
The polycyclic aromatic hydrocarbon concentration of current cooking zone is calculated in row, can calculate two ring polycyclic aromatic hydrocarbons in current environment, tricyclic
The concentration of polycyclic aromatic hydrocarbon, four ring polycyclic aromatic hydrocarbons, five ring polycyclic aromatic hydrocarbons and six ring polycyclic aromatic hydrocarbons.
Embodiment 4.
A kind of and mobile united kitchen ventilator of photographing device, other features are identical as embodiment 2 or embodiment 3, different
Place is: computing module of the invention is to be carried out according to particle concentration, polycyclic aromatic hydrocarbon concentration and volatile organic matter concentration
The computing module that Health Category divides.
Computing module carries out Health Category division according to particle concentration, polycyclic aromatic hydrocarbon concentration and volatile organic matter concentration
Health Category signal is obtained, Health Category signal is sent to smoke machine main body by computing module, and smoke machine main body receives Health Category letter
It number is adjusted.
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.
Computing module Health Category division methods of the present invention are as follows:
Computing module is first averaged limiting concentration to benzo [a] pyrene of the total yield toxic concentration of polycyclic aromatic hydrocarbon and national regulations
It is divided by and carries out polycyclic aromatic hydrocarbon environmental rating division, is shown below:
As 0≤δ≤0.5, then polycyclic aromatic hydrocarbon environmental rating is determined as health.
As 0.5 < δ≤1, then polycyclic aromatic hydrocarbon environmental rating is determined as well.
As 1 < δ≤5, then polycyclic aromatic hydrocarbon environmental rating is determined as medium.
As 5 < δ≤10, then polycyclic aromatic hydrocarbon environmental rating is determined as poor.
As 10 < δ, then polycyclic aromatic hydrocarbon environmental rating is determined as seriously.
It should be noted that polycyclic aromatic hydrocarbon environmental rating of the invention can also be divided according to the other values of δ, the present embodiment
Only be to provide a kind of scheme of implementation, in other can only basis polycyclic aromatic hydrocarbon concentration carry out polycyclic aromatic hydrocarbon environmental rating
Division methods also fall into protection scope of the present invention.
Polycyclic aromatic hydrocarbon environmental rating is carried out healthy definite value and divides to obtain polycyclic aromatic hydrocarbon health etc. by computing module of the invention
Grade UPolycyclic aromatic hydrocarbon。
When polycyclic aromatic hydrocarbon environmental rating is health, then UPolycyclic aromatic hydrocarbonIt is 1.
When polycyclic aromatic hydrocarbon environmental rating is good, then UPolycyclic aromatic hydrocarbonIt is 2.
When polycyclic aromatic hydrocarbon environmental rating is medium, then UPolycyclic aromatic hydrocarbonIt is 3.
When polycyclic aromatic hydrocarbon environmental rating is poor, then UPolycyclic aromatic hydrocarbonIt is 4.
When polycyclic aromatic hydrocarbon environmental rating is serious, then UPolycyclic aromatic hydrocarbonIt is 5.
Can be as noted above it should be noted that polycyclic aromatic hydrocarbon environmental rating of the invention is corresponding, it can also be according to reality
Situation different polycyclic aromatic hydrocarbon environmental rating in border corresponds to different UPolycyclic aromatic hydrocarbonValue, the present embodiment only shows a kind of possibility, for various kinds
Polycyclic aromatic hydrocarbon environmental rating corresponds to UPolycyclic aromatic hydrocarbonValue each falls within protection scope of the present invention.
Computing module of the invention further according to PM2.5 sensor output data or PM10 sensor output data with
Selected air quality standard carries out air quality index evaluation, as shown in formula (VII)；
Wherein M is current air quality index.
C is particle concentration and C is CPM2.5Or CPM10。
BMHiFor the high-value of selected air quality standard particle concentration limit value corresponding with C.
BMLoFor the low-value for selecting particle concentration limit value corresponding with C in air quality standard.
MHiFor in selected air quality standard with BMHiCorresponding air quality separate index number.
MLoFor in selected air quality standard with BMLoCorresponding air quality separate index number.
The present embodiment is explained according to 1 couple of present invention of table, as follows:
Table 1, air quality index and PM10 and PM2.5 project concentration limit
Such as the currently practical C measuredPM2.5=425 μm/m3, the high-value and low-value of PM2.5 concentration limit are found out,
Then BMHi=500, BMLo=350.BMHiThe corresponding air quality separate index number (IAQI) of value be 500, i.e. MHi=500.BMLo's
Being worth corresponding air quality separate index number (IAQI) is 400, i.e. MLo=400.Then respectively by BMHi、BMLo、MHi、MLoAnd CPM2.5Generation
Enter formula (VII).
Obtain M=475.
It should be noted that this implementation only has selected an air quality standard and CPM2.5Corresponding number, but for different
Air quality standard and CPM10Also within the scope of the present invention.
Air quality index is carried out healthy definite value to divide to obtain particulate matter Health Category UParticulate matter；
As 0≤M≤400, then UParticulate matter=1；
As 400 < M≤600, then UParticulate matter=2；
As 600 < M≤700, then UParticulate matter=3；
As 700 < M≤800, then UParticulate matter=4；
As 900 < M, then UParticulate matter=5.
It should be noted that air quality index of the invention can also be divided according to the other values of M.The present embodiment is only
A kind of scheme of implementation is provided, the particulate matter Health Category carried out for PM10 the and PM2.5 output data of other bases is drawn
The method divided also falls into protection scope of the present invention.
It should be noted that the corresponding particulate matter Health Category U of air quality index of the inventionParticulate matterIt can be such as above-mentioned institute
Show, different air quality index can also correspond to different U according to the actual situationParticulate matterValue, the present embodiment only shows one kind can
Can, U is corresponded to for various kinds air quality indexParticulate matterValue each falls within protection scope of the present invention.
Computing module of the invention has following method to Health Category U calculating:
1, computing module is by polycyclic aromatic hydrocarbon Health Category UPolycyclic aromatic hydrocarbonWith particulate matter Health Category UParticulate matterMaximum value is chosen in comparison
For the Health Category U of current cooking zone, as shown in formula (VIII),
U=max (UParticulate matter,UPolycyclic aromatic hydrocarbon) formula (VIII).
2, computing module is by polycyclic aromatic hydrocarbon Health Category UPolycyclic aromatic hydrocarbonWith particulate matter Health Category UParticulate matterAdduction is currently cooked
The Health Category U in region, such as formula (Ⅸ),
U=UParticulate matter+UPolycyclic aromatic hydrocarbonFormula (Ⅸ).
3, computing module is by polycyclic aromatic hydrocarbon Health Category UPolycyclic aromatic hydrocarbonMultiplied by polycyclic aromatic hydrocarbon weight factor QPolycyclic aromatic hydrocarbonIt is strong with particulate matter
Health grade UParticulate matterMultiplied by particulate matter weight factor QParticulate matterComparison chooses the Health Category U that maximum value is current cooking zone, such as formula
(Ⅹ) shown in,
U=max (UParticulate matter*QParticulate matter,UPolycyclic aromatic hydrocarbon*QPolycyclic aromatic hydrocarbon) formula (Ⅹ).
4, computing module is by polycyclic aromatic hydrocarbon Health Category UPolycyclic aromatic hydrocarbonMultiplied by polycyclic aromatic hydrocarbon weight factor QPolycyclic aromatic hydrocarbonIt is strong with particulate matter
Health grade UParticulate matterMultiplied by particulate matter weight factor QParticulate matterIt sums up to obtain the Health Category U of current cooking zone, such as formula (Ⅺ)
It is shown,
U=UParticulate matter*QParticulate matter+UPolycyclic aromatic hydrocarbon*QPolycyclic aromatic hydrocarbonFormula (Ⅺ).
It is specially the first that the Health Category U of the present embodiment, which is calculated,.Such as work as UPolycyclic aromatic hydrocarbon=2, UParticulate matterIt is current to cook when=3
The Health Category U in region is 3.Smaller for the value of U to indicate more healthy, the value of U is bigger to indicate more unhealthy.
It should be noted that 4 kinds of methods of the invention can select the first, can also select according to the actual situation according to it
He is three kinds, specific embodiment according to the actual situation depending on.For the Q of the third method of the inventionParticulate matterIt is 0.8, QPolycyclic aromatic hydrocarbonFor
1.2, QPolycyclic aromatic hydrocarbonAnd QParticulate matterCan be other numerical value, specific embodiment according to the actual situation depending on.For the 4th kind of the present invention
The Q of methodParticulate matterIt is 0.2, QPolycyclic aromatic hydrocarbonIt is 0.8, QPolycyclic aromatic hydrocarbonAnd QParticulate matterIt can be other numerical value, specific embodiment is according to practical feelings
Depending on condition.
With embodiment 2 or embodiment 3, compared to the present embodiment computing module to particle concentration, polycyclic aromatic hydrocarbon concentration and
Volatile organic matter concentration carries out Health Category division, has obtained the Health Category of a quantization, can be to current cooking environments
The understanding more seen of air quality.
Embodiment 5.
A kind of and mobile united kitchen ventilator of photographing device, as shown in Fig. 2, other features are same as Example 4, difference
It is in and: smoke machine main body of the invention is provided with blast velocity control module, cue module and firepower with stove outside environmental Kuznets Curves
Control module, blast velocity control module, cue module and firepower control module are electrically connected with computing module respectively, firepower control module
It is electrically connected with external stove.
Computing module carries out Health Category division according to particle concentration, polycyclic aromatic hydrocarbon concentration and volatile organic matter concentration
Health Category signal is obtained, Health Category signal is respectively sent to blast velocity control module, cue module and firepower by computing module
Control module, blast velocity control module receive Health Category signal and carry out wind speed adjusting, and cue module receives Health Category signal pair
User prompt when Health Category, and firepower control module receives Health Category signal and carries out firepower adjusting to external stove.
Mobile photographing device of the invention can may be that other movements that can be taken pictures are taken pictures and set for mobile phone, tablet computer
It is standby.
The mobile photographing device of the present embodiment is mobile phone.
Compared with Example 4, the kitchen ventilator of the present embodiment also has blast velocity control module, cue module and firepower control
Module, current health grade automatically adjust the firepower of wind speed and external stove, make the polycyclic aromatic hydrocarbon concentration and particle of current environment
Object concentration reduces, 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 (10)
1. a kind of and mobile united kitchen ventilator of photographing device, it is characterised in that: it is provided with smoke machine main body, for oil smoke picture
Analyze and detect the harmful substance detection dress of temperature in cooking zone, oil smoke size, particle concentration and polycyclic aromatic hydrocarbon concentration
It sets and for the mobile photographing device to cooking zone oil smoke picture collection, harmful substance detection device is electrically connected with smoke machine main body
It connects, mobile photographing device is connect with harmful substance detection device signal；
Mobile photographing device acquisition cooking zone oil smoke image obtains picture signal and is sent to harmful substance detection device, harmful
Substance detecting apparatus receives image signal process and carries out concentration of narmful substance in cooking zone and detects to obtain concentration of narmful substance
Concentration of narmful substance signal is sent to smoke machine main body by signal, harmful substance detection device.
2. the according to claim 1 and mobile united kitchen ventilator of photographing device, it is characterised in that: the signal is connected as
Wireless signal connection.
3. the according to claim 2 and mobile united kitchen ventilator of photographing device, 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.
4. the according to claim 1 and mobile united kitchen ventilator of photographing device, it is characterised in that: the signal is connected as
Wire signal connection.
5. the according to claim 4 and mobile united kitchen ventilator of photographing device, 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.
6. according to claim 2 to 5 any one with the mobile united kitchen ventilator of photographing device, it is characterised in that: institute
Harmful substance detection device is stated to be provided with for detecting the temperature sensing module of temperature in cooking zone, for detecting current culinary art
Equivalent diameter is less than or equal to the PM2.5 sensor of 2.5 micron particles object concentration, for detecting current cooking zone in the oil smoke of region
Equivalent diameter is less than or equal to the PM10 sensor of 10 micron particles object concentration and for calculating the more of current cooking zone in oil smoke
The computing module of cycloaromatics concentration, temperature sensing module, PM2.5 sensor, PM10 sensor and mobile photographing device respectively with
Computing module electrical connection, temperature sensing module, PM2.5 sensor, PM10 sensor, mobile photographing device and computing module difference
It is electrically connected with smoke machine main body；
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 PM2.5 sensor acquires equivalent diameter in current cooking zone oil smoke and is less than or equal to 2.5 microns
Particle concentration obtains PM2.5 concentration signal and is transmitted to computing module, and PM10 sensor acquires in current cooking zone oil smoke
Equivalent diameter is less than or equal to 10 micron particles object concentration and obtains PM10 concentration signal and be transmitted to computing module, computing module difference
Receiving temperature output signal, picture signal, PM2.5 concentration signal and PM10 concentration signal, then processing is currently cooked in real time
The polycyclic aromatic hydrocarbon concentration in region.
7. the according to claim 6 and mobile united kitchen ventilator of photographing device, it is characterised in that: the computing module is
It constructs to obtain about in cooking zone in temperature, oil smoke size and particle concentration and oil smoke in pernicious gas with mathematical modeling
The computing module of the mathematical relationship of polycyclic aromatic hydrocarbon concentration.
8. the according to claim 7 and mobile united kitchen ventilator of photographing device, 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 according to claim 8 and mobile united kitchen ventilator of photographing device, it is characterised in that: the computing module is
The computing module of Health Category division is carried out according to particle concentration, polycyclic aromatic hydrocarbon concentration and volatile organic matter concentration；
Computing module carries out Health Category according to particle concentration, polycyclic aromatic hydrocarbon concentration and volatile organic matter concentration and divides to obtain
Health Category signal is sent to smoke machine main body by Health Category signal, computing module, smoke machine main body receive Health Category signal into
Row is adjusted.
10. the according to claim 9 and mobile united kitchen ventilator of photographing device, it is characterised in that: the smoke machine main body
Blast velocity control module, cue module and the firepower control module with stove outside environmental Kuznets Curves, blast velocity control module is provided with to mention
Show that module and firepower control module are electrically connected with computing module respectively, firepower control module is electrically connected with external stove；
Computing module carries out Health Category according to particle concentration, polycyclic aromatic hydrocarbon concentration and volatile organic matter concentration and divides to obtain
Health Category signal is respectively sent to blast velocity control module, cue module and firepower control by Health Category signal, computing module
Module, blast velocity control module receive Health Category signal and carry out wind speed adjusting, and cue module receives Health Category signal to user
Prompt when Health Category, firepower control module receives Health Category signal and carries out firepower adjusting to external stove；
The mobile photographing device is mobile phone or tablet computer.
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Cited By (1)
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| WO2022205536A1 (en) * | 2021-03-30 | 2022-10-06 | 耀主科技股份有限公司 | Air exhaust control apparatus |
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