CN109813713B - Smoke machine with multiple independent harmful substance detection modules - Google Patents
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Abstract
A range hood with a plurality of independent harmful substance detection modules is provided with a detection module used for detecting the surrounding environment of the range hood, a control assembly and a range hood body; above-mentioned, control assembly respectively with detect module and cigarette machine body coupling, detect the module and be used for detecting cigarette machine surrounding environment to with surrounding environment's detection information transmission to control assembly, control assembly controls cigarette machine body according to received detection information. The detection module is provided with a temperature sensing module; the detection module is also provided with a visual capture detection module for analyzing oil smoke images of a cooking area and obtaining the size of generated oil smoke in real time, the detection module is also provided with an organic volatile matter detection module, the detection module is also provided with a particulate matter detection module, and the detection module is also provided with a first polycyclic aromatic hydrocarbon calculation module. This cigarette machine with a plurality of independent harmful substance detection module can detect the harmful gas of multiple difference in the kitchen environment, reminds the user to notice the protection.
Description
Technical Field
The invention relates to the technical field of kitchen appliances, in particular to a range hood with a plurality of independent harmful substance detection modules.
Background
The range hood is one of the indispensable electrical apparatus in the family nowadays. The range hood is arranged above the kitchen gas stove and used for absorbing oil smoke generated during cooking, discharging the oil smoke out of a room and reducing air pollution in a kitchen. But various harmful gases can be generated in the cooking process of a kitchen, the harmful gases can generate great harm to human bodies, such as cancers and the like, oil smoke gas comprises polycyclic aromatic hydrocarbon substances, a certain part of the polycyclic aromatic hydrocarbon substances have carcinogenicity, such as benzo [ alpha ] pyrene, the oil smoke can be only simply sucked in the existing range hood, the state of the oil smoke gas cannot be identified, and the trend of people to modern healthy life is greatly limited and restricted.
Therefore, it is necessary to provide a range hood with multiple independent harmful substance detection modules to overcome the deficiencies of the prior art.
Disclosure of Invention
The invention aims to avoid the defects of the prior art and provide the range hood with the plurality of independent harmful substance detection modules, the range hood with the plurality of independent harmful substance detection modules can accurately identify harmful gas in kitchen oil smoke under various different conditions, and detection errors under the detection modules of the range hood are avoided.
The above object of the present invention is achieved by the following technical means.
The method comprises the following steps of providing a range hood with a plurality of independent harmful substance detection modules, wherein the range hood is provided with a plurality of detection modules for detecting the surrounding environment of the range hood, a control assembly and a range hood body; above-mentioned, control assembly and every set of detection module are connected respectively, and control assembly and cigarette machine body coupling.
Above-mentioned, every set of detection module is used for detecting cigarette machine surrounding environment respectively to with surrounding environment's detection information transmission to control assembly, control assembly controls the cigarette machine body according to the detection information who receives.
Preferably, each set of detection module is provided with a temperature sensing module; the temperature sensing module is respectively connected with the control assembly and the range hood body;
the temperature sensing module senses and detects the surrounding environment of the range hood to obtain a temperature output signal and transmits the temperature output signal to the control assembly.
Preferably, each set of detection module is also provided with a visual capture detection module for analyzing oil smoke images in the cooking area and obtaining the size of the generated oil smoke in real time, and the visual capture detection module is respectively connected with the control assembly and the smoke machine body;
in the above, the visual capture detection module collects cooking area oil smoke images around the range hood to obtain oil smoke output signals and transmits the oil smoke output signals to the control assembly.
Preferably, each set of detection module is also provided with an organic volatile matter detection module, and the organic volatile matter detection module is respectively connected with the control assembly and the cigarette machine body;
the organic volatile matter detection module detects the concentration value of the organic volatile matters around the cigarette machine main body and sends the concentration value of the organic volatile matters to the control assembly.
Preferably, each set of detection module is also provided with a particulate matter detection module, and the particulate matter detection module is respectively connected with the control assembly and the smoke machine body; the particulate matter detection module detects the concentration value of particulate matter around the cigarette machine main part to send the concentration value of particulate matter to control assembly.
Preferably, each set of detection module is also provided with a first polycyclic aromatic hydrocarbon calculation module, and the first polycyclic aromatic hydrocarbon calculation module is respectively connected with the output end of the temperature sensing module and the output end of the visual capture detection module;
above-mentioned, the output of temperature sensing module sends temperature detection information to first polycyclic aromatic hydrocarbon calculation module, and the image data that vision capture detection module's output will detect sends first polycyclic aromatic hydrocarbon calculation module, and first polycyclic aromatic hydrocarbon calculation module calculates kitchen culinary art regional polycyclic aromatic hydrocarbon concentration according to the receipt information.
Preferably, the first polycyclic aromatic hydrocarbon calculation module is a calculation model which is constructed by mathematical modeling and obtains a mathematical relationship between the temperature and the size of the oil smoke and the concentration of polycyclic aromatic hydrocarbon in harmful gas in the oil smoke; or
Preferably, the calculation module is a linear calculation module or a nonlinear calculation module.
When the calculation model is a nonlinear calculation module, the nonlinear calculation module is an exponential calculation module, a power calculation module, a logarithmic calculation module, a neural network calculation module or a machine learning calculation module; when the nonlinear computation module is a machine learning computation module, the machine learning computation module is a deep learning computation module.
Or
Preferably, the calculation formula of the calculation model is formula (I),
Cpolycyclic aromatic hydrocarbons0.05 k +0.0005 k +0.0033 k +475.1 formula (i),
wherein C isPolycyclic aromatic hydrocarbonsThe total concentration of the polycyclic aromatic hydrocarbon gas in the cooking area, kappa, and lambda are respectively output data of the temperature sensing module and the visual capture detection module.
Or
Preferably, the calculation formula of the calculation model is formula (II),
Cpolycyclic aromatic hydrocarbons＝0.05κ0.98+0.0005λ1.05+0.0033 κ λ +469.5 formula (II),
wherein C isPolycyclic aromatic hydrocarbonsThe total concentration of the polycyclic aromatic hydrocarbon gas in the cooking area, kappa, and lambda are respectively output data of the temperature sensing module and the visual capture detection module.
Preferably, the calculation model performs environmental health grade division according to the concentration of the polycyclic aromatic hydrocarbon;
the average limit concentration of benzo [ a ] pyrene specified by the national standard is compared with the concentration of polycyclic aromatic hydrocarbon to carry out environmental grade division;
when C is presentPolycyclic aromatic hydrocarbons＜CBenzo [ a ]]PyreneWhen it is determined that the patient is in a healthy state, when CPolycyclic aromatic hydrocarbons≥CBenzo [ a ]]PyreneIf so, judging the health level;
wherein C isBenzo [ a ]]PyreneBenzo [ a ] specified for the national standard]Average defined concentration of pyrene, and CBenzo [ a ]]Pyrene＝1ng/m3。
Dividing the polycyclic aromatic hydrocarbon concentration by the average limit concentration of benzo [ a ] pyrene specified by national standard to carry out environmental health grade division, wherein the formula is as follows (III):
when epsilon is more than or equal to 0 and less than or equal to 0.5, the grade is judged as a healthy grade, when epsilon is more than 0 and less than or equal to 1, the grade is judged as a good grade, and when epsilon is more than 1, the grade is judged as an unhealthy grade.
Or
Preferably, the environmental health rating is performed according to a result weighted by a total equivalent toxicity factor of the polycyclic aromatic hydrocarbon concentration;
total equivalent toxicity factor for polycyclic aromatic hydrocarbon concentration calculated by formula (iv):
wherein BEQ is total equivalent toxicity factor of polycyclic aromatic hydrocarbon, μ is mark of polycyclic aromatic hydrocarbon kind, 1 ≤ μ ≤ ξ and μ and ξ are natural numbers, BEQμEquivalent toxic concentration as the content of the μ polycyclic aromatic hydrocarbon, beqμCalculated by the formula (V),
beqμ＝Cμ*TEFμthe compound of the formula (V),
Cμconcentration of the content of the second polycyclic aromatic hydrocarbon, TEFμEquivalent toxicity factor corresponding to the mu polycyclic aromatic hydrocarbon; or
Comparing the product of the concentration of the polycyclic aromatic hydrocarbon and the total equivalent toxicity factor with the average limit concentration of benzo [ a ] pyrene specified by the national standard to classify the environmental grade;
when BEQ CPolycyclic aromatic hydrocarbons＜CBenzo [ a ]]PyreneWhen the health is judged, the health grade is judged as BEQ CPolycyclic aromatic hydrocarbons≥CBenzo [ a ]]PyreneIf so, judging the health level as unhealthy level; or
Dividing the product of the concentration of the polycyclic aromatic hydrocarbon and the total equivalent toxicity factor by the average limit concentration of benzo [ a ] pyrene specified by national standard to carry out environmental health grade division, wherein the formula is as follows (III):
when delta is more than or equal to 0 and less than or equal to 0.5, the grade is judged as a healthy grade, when delta is more than 0 and less than or equal to 1, the grade is judged as a good grade, and when delta is more than 1, the grade is judged as an unhealthy grade.
Preferably, the control assembly is provided with a range hood wind speed adjusting module, a firepower adjusting module and a reminding module; the reminding module is connected with the output end of the calculating module, the output end of the organic volatile matter detecting module and the output end of the particulate matter detecting module, and displays and reminds after receiving the calculating result of the calculating module, the detecting result of the organic volatile matter detecting module and the detecting result of the particulate matter detecting module;
preferably, the range hood wind speed adjusting module is respectively connected with the output end of the calculation model and the air draft assembly of the range hood body, and if the output signal of the output end of the calculation model received by the range hood wind speed adjusting module is in an unhealthy grade, the range hood wind speed adjusting module controls and enhances or starts the working power of the air draft assembly; the fire power adjusting module is respectively connected with the output end of the temperature sensing module, the output end of the organic volatile matter detection module, the output end of the calculation model and the electromagnetic valve; the firepower adjusting module receives information of the output end of the temperature sensing module, the output end of the organic volatile matter detecting module and the output end of the calculation model, and controls the on-off of the electromagnetic valve according to the information content.
Preferably, the temperature sensing module is connected with the control assembly through a wired or wireless signal, and the temperature sensing module is set as a non-invasive temperature sensor or an invasive temperature sensor;
preferably, the non-invasive temperature sensor is set as any one or more of a dot-matrix infrared temperature sensor, an array type temperature sensor or a thermal imaging temperature sensor;
preferably, the visual capture detection module is configured as a camera.
Preferably, the organic volatile detection module is configured as a VOC sensor capable of measuring the concentration of many volatile organic compounds.
Preferably, the particulate matter detection module is configured as any one or more of a PM10 sensor, a PM2.5 sensor, a PM1 sensor, a PM0.1 sensor, or a particulate matter sensor smaller than 0.1 μm.
Preferably, the invasive temperature sensor is provided as a thermocouple temperature sensor.
The invention discloses a range hood with a plurality of independent harmful substance detection modules, which is provided with a plurality of detection modules for detecting the surrounding environment of the range hood, a control assembly and a range hood body; above-mentioned, control assembly detects module and this body coupling of cigarette machine with many sets respectively, and many sets detect the module and are used for detecting cigarette machine surrounding environment respectively to send the detection information of surrounding environment to control assembly respectively, control assembly controls cigarette machine body according to received detection information. Each set of detection module is provided with a temperature sensing module; every set of detection module still is provided with and is used for obtaining the vision of producing the oil smoke size to the regional oil smoke image analysis of culinary art and in real time and catches detection module, and every set of detection module still is provided with organic volatile matter detection module, and every set of detection module still is provided with particulate matter detection module, and every set of detection module still is provided with first polycyclic aromatic hydrocarbon calculation module. This cigarette machine with a plurality of independent harmful substance detection module can be accurate detect the harmful gas of multiple differences in detecting the kitchen environment, reminds the user to notice the protection.
Drawings
The invention is further illustrated by means of the attached drawings, the content of which is not in any way limiting.
Fig. 1 is a schematic structural view of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 3 is a schematic structural diagram of embodiment 3 of the present invention.
Fig. 4 is a schematic structural diagram of embodiment 4 of the present invention.
Fig. 5 is a schematic structural view of embodiment 11 of the present invention.
In fig. 1 to 5, there are included:
the device comprises a detection module 100, a temperature sensing module 101, a visual capture detection module 102, an organic volatile matter detection module 103, a particulate matter detection module 104 and a first polycyclic aromatic hydrocarbon calculation module 105;
the system comprises a control assembly 200, a range hood wind speed adjusting module 201, a firepower adjusting module 202 and a reminding module 203;
a cigarette maker body 300.
Detailed Description
The invention is further described with reference to the following examples.
Example 1.
A cigarette machine with a plurality of independent harmful substance detection modules is provided with a plurality of detection modules 100 for detecting the surrounding environment of the cigarette machine, a control assembly 200 and a cigarette machine body 300 as shown in figure 1; the control assembly 200 is respectively connected with each set of detection module 100, and the control assembly 200 is connected with the cigarette machine body 300.
Each set of detection module 100 is used for detecting the surrounding environment of the cigarette machine, sending the detection information of the surrounding environment to the control assembly 200, and the control assembly 200 controls the cigarette machine body 300 according to the received detection information.
Specifically, each set of detection module 100 is provided with a temperature sensing module 101; the temperature sensing module 101 is respectively connected with the control assembly 200 and the cigarette machine body 300;
the temperature sensing module senses and detects the surrounding environment of the range hood to obtain a temperature output signal and transmits the temperature output signal to the control assembly 200.
Specifically, each set of detection module 100 is further provided with a visual capture detection module 102 for analyzing oil smoke images in a cooking area and obtaining the size of generated oil smoke in real time, and the visual capture detection module 102 is respectively connected with the control assembly 200 and the cigarette machine body 300;
as described above, the visual capture detection module 102 collects the cooking area oil smoke image around the range hood to obtain the oil smoke output signal and transmits the oil smoke output signal to the control component 200.
The vision capture detection module 102 collects the oil smoke generated in the cooking process in real time, specifically collects the pictures of the corresponding area in real time and processes the current kitchen oil smoke concentration,
the processing method of the visual capture detection module 102 is as follows:
the visual capture detection module 102 processes the initial image acquired by the imaging device as a basis, the initial image is a gray scale image, the acquired initial image is serialized, and the initial image of the next frame and the initial image of the previous frame are processed in sequence to obtain the current kitchen oil smoke concentration of each time when the initial image of the next frame is located.
The step process of obtaining the current kitchen oil smoke concentration at the moment of the initial image of the next frame by processing the initial image of the next frame and the initial image of the previous frame each time is as follows:
(1) performing frame difference processing on the initial image of the next frame and the initial image of the previous frame to obtain a frame difference image;
(2) denoising the frame difference image in an open operation mode to obtain a denoised image;
(3) carrying out edge detection on the denoised image, and marking a motion area as an initial region of interest;
(4) carrying out gray average value calculation and area smoothness calculation on the initial region of interest, taking the region which meets the requirements of gray average value and smoothness as the next region of interest, and taking other regions as interference elimination;
(5) and (4) respectively counting the interested areas extracted in the step (4), and obtaining oil smoke concentration assignment according to the counting result.
In the step (1), the frame difference operation on the acquired initial image to obtain a frame difference image specifically comprises:
the visual capture detection module 102 performs subtraction on the next frame of image and the previous frame of image according to the sequence of the received initial images to obtain a frame difference image with a highlighted dynamic area.
The denoising method comprises the following steps of (2) denoising a frame difference image by using an open operation to obtain a denoised image, and specifically comprises the following steps: firstly, carrying out corrosion operation on the frame difference image to eliminate noise points and tiny spikes in the image and break narrow connection; and performing expansion operation on the corroded image to recover the smoke characteristics in the original frame difference image.
The step (3) of performing edge detection on the denoised image, and marking a motion region as an initial region of interest specifically comprises the following steps: and detecting the edge of the highlight area of the frame difference image, marking the highlight area, and taking the marked area as an initial region of interest.
Specifically, the gray mean value and the area smoothness of each initial region of interest are calculated to obtain the gray mean value and the gray smoothness corresponding to each initial region of interest, the initial regions of interest which simultaneously meet the condition that the calculated gray mean value is smaller than a gray threshold and the gray smoothness is smaller than the gray smoothness threshold are used as regions of interest, and other initial regions of interest are determined as interference regions.
Specifically, in the step (5), aiming at the interested areas extracted in the step (4), the gray levels of all pixels in each interested area image are summed to obtain the gray level of each interested area image, and then the gray level of each interested area image is summed to obtain the oil smoke concentration assignment.
The target area acquired by the imaging device is represented by an area S, and any one frame of initial image is the imaging of the corresponding area S.
The initial image is made up of m x n pixels,
the gray scale values of the pixels in the subsequent frame initial image a are represented by a matrix AH, AH ═ AHi,j}，ahi,jRepresenting the gray values corresponding to the pixels of the ith row and the jth column in the initial image A of the subsequent frame, wherein i is the row where the pixel is located, j is the column where the pixel is located, i is more than or equal to 1 and less than or equal to m, and j is more than or equal to 1 and less than or equal to n; the sub-area where the ith row and jth column pixels in the initial image A of the later frame are located is ASi,j。
The gray values of the pixels of the previous frame original image B are represented by a matrix BH, { BH ═ BHi,j}，bhi,jRepresenting the gray values corresponding to the ith row and jth column pixels in the initial image B of the previous frame, wherein the sub-area where the ith row and jth column pixels in the initial image B of the previous frame are located is BSi,j。
The gray-scale values of the pixels in the frame difference image D are represented by a matrix DH, { DH ═ DH {i,j}＝{|ahi,j-bhi,j|}，dhi,jRepresenting the gray values corresponding to the ith row and jth column of pixels in the frame difference image D, and the sub-region where the ith row and jth column of pixels in the frame difference image D are located is DSi,j。
In the frame difference image, | dhi,jThe area with 0 is black; dhi,jThe area where | ≠ 0 is highlighted.
Wherein, the step (2) of carrying out corrosion operation on the frame difference image specifically comprises the following steps:
2-11, arbitrarily defining a convolution kernel theta;
2-12, performing convolution on the convolution kernel theta and the frame difference image; when the convolution kernel theta traverses the frame difference image, extracting a pixel gray minimum value p of a convolution result in the area covered by the convolution kernel and a pixel point C coincident with the center of the convolution kernel;
the gray scale of the pixel point C passes through the matrix CH ═ Ck,qExpressing that k and q are the row sequence number and the column sequence number of the pixel C,
obtaining a minimum pixel point matrix P of a convolution result obtained in the process of traversing the frame difference image by a convolution kernel theta, wherein the gray scale of the minimum pixel point matrix P is determined by a matrix PH ═ Pk,qRepresents;
2-13 correspondingly endowing the gray level of the pixel point matrix P to a pixel point C to obtain a corrosion image;
the expansion operation is carried out on the corrosion image in the step (2), and the method specifically comprises the following steps:
2-21, arbitrarily defining a convolution kernel beta;
2-22, convolving the convolution kernel beta with the corrosion image; when the convolution kernel beta traverses the corrosion image, extracting the pixel gray maximum value o of the convolution result in the area covered by the convolution kernel and a pixel point R coincident with the center of the convolution kernel;
the gray level of the pixel point R passes through the matrix RH ═ Rl,vL and v are the row sequence number and the column sequence number of the pixel point R,
obtaining a convolution result maximum pixel point matrix O obtained in the process of traversing the corrosion image by the convolution kernel beta, wherein the gray level of the maximum pixel point matrix O passes through a matrix OH ═ Ol,vRepresents;
2-13, correspondingly endowing the gray level of the maximum pixel point matrix O to the pixel point R to obtain an expanded image, wherein the obtained expanded image is the de-noised image.
Wherein the step (3) is carried out by the following steps:
3-1, defining a filter Y, wherein the filter is a t x t matrix, and t is an odd number;
3-2, traversing the filter Y through the denoised image, calculating the gray value of the denoised image of the central pixel point of the filter at each position and the gray values of other pixel points in the neighborhood of the central pixel point, and calculating the edge detection value X of the central pixel point of the filter at each position according to the formula (I)zZ is a flag when the filter Y traverses the denoised image,
f. g is the matrix serial number of the pixel points, f is more than or equal to 1 and less than or equal to t, g is more than or equal to 1 and less than or equal to t, and e is the gray value of the denoised image where the pixel points at each position of the filter are located; alpha is a weight coefficient corresponding to the filter position;
3-3, detecting the edge of the central pixel point X of the filter at each positionzSubtracting the gray values of other pixels in the neighborhood of the central pixel, and judging whether the absolute value of the difference is greater than a threshold value delta;
counting the number greater than the threshold value, if the number exceeds the threshold value
Judging the pixel point position of the de-noised image corresponding to the central pixel point of the filter position as an edge point, and marking;
and 3-4, traversing the whole de-noised image by using the filter to obtain all marked edge points and obtain a preliminary region of interest.
t is 3.
It should be noted that the processing method of the above-mentioned visual capture detection module is only one of the proposed processing methods, and for the other visual capture detection modules, the method that only can acquire the output data of the visual capture detection module in the cooking area can be applied to the range hood of the present invention that can identify the harmful gas in the oil smoke, and all of them fall into the protection scope of the present invention.
It should be noted that the visual capture detection module of the present invention uses a camera to detect the oil smoke size in the cooking area, and can be used as the visual capture detection module of the present invention as long as the above functions of the present invention can be realized.
This cigarette machine with a plurality of independent harmful substance detection module can detect the regional harmful substance's in kitchen concentration through a plurality of independent detection module to further warning user, have simple structure, convenient to use's characteristics.
Example 2.
The other structures of the cigarette making machine with a plurality of independent harmful substance detection modules are the same as those of the cigarette making machine in embodiment 1, except that, as shown in fig. 2, each set of detection module 100 of the cigarette making machine with a plurality of independent harmful substance detection modules is further provided with a first polycyclic aromatic hydrocarbon calculation module 105. The first polycyclic aromatic hydrocarbon calculation module 105 is respectively connected with the output end of the temperature sensing module 101 and the output end of the visual capture detection module 102;
as described above, the output end of the temperature sensing module 101 sends the temperature detection information to the first polycyclic aromatic hydrocarbon calculation module 105, the output end of the visual capture detection module 102 sends the detected image data to the first polycyclic aromatic hydrocarbon calculation module 105, and the first polycyclic aromatic hydrocarbon calculation module 105 calculates the concentration of polycyclic aromatic hydrocarbon in the cooking area of the kitchen according to the received information.
Specifically, the first polycyclic aromatic hydrocarbon calculation module 105 is a calculation model which is constructed by mathematical modeling and obtains a mathematical relationship between the temperature and the oil smoke size and the concentration of polycyclic aromatic hydrocarbons in harmful gases in the oil smoke.
The first polycyclic aromatic hydrocarbon calculation module of the present invention calculates the polycyclic aromatic hydrocarbon concentration of the current cooking area through the temperature signal and the oil smoke signal, and the calculation module is a calculator or a module with calculation function can be used as the calculation module of the present invention.
This first polycyclic aromatic hydrocarbon calculation module of cigarette machine with a plurality of independent harmful substance detection module calculates the polycyclic aromatic hydrocarbon's of current environment concentration, the more concrete convenient detection result that obtains of people of being convenient for.
Example 3.
The other structures of the cigarette making machine with a plurality of independent harmful substance detection modules are the same as those of the cigarette making machine in embodiment 1 or 2, and the difference is that as shown in fig. 3, the detection module 100 is further provided with an organic volatile substance detection module 103, and the organic volatile substance detection module 103 is respectively connected with a control assembly 200 and a cigarette making machine body 300;
as described above, the organic volatile detection module 103 detects the concentration values of organic volatiles around the body of the cigarette maker and sends the concentration values of organic volatiles to the control assembly 200.
Specifically, the organic volatile detection module 103 is configured as a VOC sensor capable of measuring the concentration of many volatile organic compounds.
The detection type of harmful gas in the range hood is increased by arranging the organic volatile matter detection module.
Example 4.
A kind of cigarette machine with a plurality of independent harmful substance detection die sets, other structures are the same as any one of embodiment 1-3, the difference lies in, as shown in figure 4, the detection die set 100 also has particle detection module 104, the particle detection module is connected with control assembly 200, cigarette machine body 300 separately; the particulate matter detection module 104 detects the concentration value of particulate matter around the body of the range hood and sends the concentration value of particulate matter to the control assembly 200.
Specifically, the particulate matter detection module 104 is configured as any one or more of a PM10 sensor, a PM2.5 sensor, a PM1 sensor, a PM0.1 sensor, or a particulate matter sensor smaller than 0.1 μm.
Make the user can in time know the concentration of the particulate matter in the kitchen through being provided with particulate matter detection module, improve the air quality in kitchen.
Example 5.
A cigarette machine with a plurality of independent harmful substance detection modules has the same other structure as any one of embodiments 1 to 4, and is different in that a calculation module is a linear calculation module or a nonlinear calculation module.
When the calculation model is a nonlinear calculation module, the nonlinear calculation module is an exponential calculation module, a power calculation module, a logarithmic calculation module, a neural network calculation module or a machine learning calculation module; when the nonlinear computation module is a machine learning computation module, the machine learning computation module is a deep learning computation module.
Example 6.
A smoke machine having a plurality of independent harmful substance detection modules, the other structure of which is the same as that of any one of embodiments 1 to 5, except that a calculation formula of a calculation model is a formula (I),
Cpolycyclic aromatic hydrocarbons0.05 k +0.0005 k +0.0033 k +475.1 formula (i),
wherein C isPolycyclic aromatic hydrocarbonsIs the total concentration of polycyclic aromatic hydrocarbon gas in the cooking area, κ is the output data of the temperature sensing module, and λ is the output data of the visual capture detection module 102.
When κ ∈ (0 ℃, 200 ℃), λ ∈ (0,30000), C(2-3)＝70％CPolycyclic aromatic hydrocarbons,C(4)＝20％CPolycyclic aromatic hydrocarbons,C(5-6)＝10％CPolycyclic aromatic hydrocarbons。
When κ ∈ (200 ℃, 240 ℃), λ ∈ (30000,50000), C(2-3)＝60％CPolycyclic aromatic hydrocarbons,C(4)＝25％CPolycyclic aromatic hydrocarbons,C(5-6)＝15％CPolycyclic aromatic hydrocarbons。
Wherein C is(2-3)Is the concentration of bicyclic polycyclic aromatic hydrocarbons and tricyclic polycyclic aromatic hydrocarbons, C(4)Is the concentration of tetracyclic polycyclic aromatic hydrocarbons, C(5-6)Is the concentration of pentacyclic polycyclic aromatic hydrocarbon and hexacyclic polycyclic aromatic hydrocarbon.
The range hood of this embodiment can calculate through the oil smoke size that detects kitchen utensils and appliances temperature and culinary art region and obtain the polycyclic aromatic hydrocarbon concentration of current culinary art region, can calculate the concentration of bicyclic polycyclic aromatic hydrocarbon, tricyclic polycyclic aromatic hydrocarbon, four ring polycyclic aromatic hydrocarbon, five ring polycyclic aromatic hydrocarbon and six ring polycyclic aromatic hydrocarbon in the current environment.
Example 7.
A smoke machine having a plurality of independent harmful substance detection modules, the other structure of which is the same as that of any one of embodiments 1 to 6, except that a calculation formula of a calculation model is a formula (II),
Cpolycyclic aromatic hydrocarbons＝0.05κ0.98+0.0005λ1.05+0.0033 κ λ +469.5 formula (II),
wherein C isPolycyclic aromatic hydrocarbonsIs the total concentration of polycyclic aromatic hydrocarbon gas in the cooking area, κ is the output data of the temperature sensing module, and λ is the output data of the visual capture detection module 102.
When κ ∈ (0 ℃, 200 ℃), λ ∈ (0,30000), C(2-3)＝70％CPolycyclic aromatic hydrocarbons,C(4)＝20％CPolycyclic aromatic hydrocarbons,C(5-6)＝10％CPolycyclic aromatic hydrocarbons。
When κ ∈ (200 ℃, 240 ℃), λ ∈ (30000,50000), C(2-3)＝60％CPolycyclic aromatic hydrocarbons,C(4)＝25％CPolycyclic aromatic hydrocarbons,C(5-6)＝15％CPolycyclic aromatic hydrocarbons。
Wherein C is(2-3)Is the concentration of bicyclic polycyclic aromatic hydrocarbons and tricyclic polycyclic aromatic hydrocarbons, C(4)Is the concentration of tetracyclic polycyclic aromatic hydrocarbons, C(5-6)Is the concentration of pentacyclic polycyclic aromatic hydrocarbon and hexacyclic polycyclic aromatic hydrocarbon.
The range hood of this embodiment can calculate through the oil smoke size that detects kitchen utensils and appliances temperature and culinary art region and obtain the polycyclic aromatic hydrocarbon concentration of current culinary art region, can calculate the concentration of bicyclic polycyclic aromatic hydrocarbon, tricyclic polycyclic aromatic hydrocarbon, four ring polycyclic aromatic hydrocarbon, five ring polycyclic aromatic hydrocarbon and six ring polycyclic aromatic hydrocarbon in the current environment.
Example 8.
A cigarette machine with a plurality of independent harmful substance detection modules has the same other structures as any one of embodiments 1 to 7, and is different in that a calculation model carries out environmental health grade division according to the concentration of polycyclic aromatic hydrocarbon;
the average limit concentration of benzo [ a ] pyrene specified by the national standard is compared with the concentration of polycyclic aromatic hydrocarbon to carry out environmental grade division;
when C is presentPolycyclic aromatic hydrocarbonHydrocarbons＜CBenzo [ a ]]PyreneWhen it is determined that the patient is in a healthy state, when CPolycyclic aromatic hydrocarbons≥CBenzo [ a ]]PyreneIf so, judging the health level;
wherein C isBenzo [ a ]]PyreneBenzo [ a ] specified for the national standard]Average defined concentration of pyrene, and CBenzo [ a ]]Pyrene＝1ng/m3。
Dividing the polycyclic aromatic hydrocarbon concentration by the average limit concentration of benzo [ a ] pyrene specified by national standard to carry out environmental health grade division, wherein the formula is as follows (III):
when epsilon is more than or equal to 0 and less than or equal to 0.5, the grade is judged as a healthy grade, when epsilon is more than 0 and less than or equal to 1, the grade is judged as a good grade, and when epsilon is more than 1, the grade is judged as an unhealthy grade.
Wherein C isBenzo [ a ]]PyreneBenzo [ a ] specified for the national standard]Average defined concentration of pyrene, and CBenzo [ a ]]Pyrene＝1ng/m3。
According to the embodiment, the environment health grade is classified according to the concentration of the polycyclic aromatic hydrocarbon, so that the air quality of the current cooking environment can be judged more intuitively.
Example 9.
A cigarette machine with a plurality of independent harmful substance detection modules has the same other structures as any one of embodiments 1 to 8, and is different in that environmental health grading is carried out according to the result of weighting the total equivalent toxicity factor of polycyclic aromatic hydrocarbon concentration;
total equivalent toxicity factor for polycyclic aromatic hydrocarbon concentration calculated by formula (iv):
wherein BEQ is total equivalent toxicity factor of polycyclic aromatic hydrocarbon, μ is mark of polycyclic aromatic hydrocarbon kind, 1 ≤ μ ≤ ξ and μ and ξ are natural numbers, BEQμEquivalent toxic concentration as the content of the μ polycyclic aromatic hydrocarbon, beqμCalculated by the formula (V),
beqμ＝Cμ*TEFμthe compound of the formula (V),
Cμconcentration of the content of the second polycyclic aromatic hydrocarbon, TEFμEquivalent toxicity factor corresponding to the mu polycyclic aromatic hydrocarbon; equivalent toxicity factors for different polycyclic aromatic hydrocarbons are shown in table 1:
TABLE 1 equivalent toxicity factor for various polycyclic aromatic hydrocarbons
| Polycyclic aromatic hydrocarbons | PAHs | Number of rings | Virulence factors (TEFs) |
| Naphthalene | NAP | 2 | 0.001 |
| Acenaphthylene | ACE | 2 | 0.001 |
| Fluorene compounds | FLO | 2 | 0.001 |
| Acenaphthylene | ACY | 2 | 0.001 |
| Phenanthrene | PHE | 3 | 0.001 |
| Anthracene | ANT | 3 | 0.01 |
| Fluoranthene | FLU | 3 | 0.001 |
| Pyrene | PYR | 4 | 0.001 |
| Flexion type | CHRY | 4 | 0.01 |
| Benzo [ a ]]Anthracene | BAA | 4 | 0.1 |
| Benzo [ b ]]Fluoranthene | BBF | 4 | 0.1 |
| Benzo [ k ] benzene]Fluoranthene | BKF | 4 | 0.1 |
| Benzo [ a ]]Pyrene | BAP | 5 | 1 |
| Dibenzo [ a, h ]]Anthracene | DBA | 5 | 5 |
| Benzo [ g, h, i ]]Perylene | BGP | 6 | 0.01 |
| Indeno [1,2,3-c, d ]]Pyrene | INP | 5 | 0.1 |
This example introduces equivalent toxicity factors for different polycyclic aromatic hydrocarbons, which are not harmful to humans due to different toxicity for different polycyclic aromatic hydrocarbons.
Example 10.
A cigarette machine with a plurality of independent harmful substance detection modules, the other structures are the same as any one of the embodiments 1-9, and the difference is that the product of polycyclic aromatic hydrocarbon concentration and total equivalent toxicity factor is compared with the average limit concentration of benzo [ a ] pyrene specified by the national standard to carry out environmental grade division;
when BEQ CPolycyclic aromatic hydrocarbons＜CBenzo [ a ]]PyreneWhen the health is judged, the health grade is judged as BEQ CPolycyclic aromatic hydrocarbons≥CBenzo [ a ]]PyreneIf so, judging the health level as unhealthy level; or
Dividing the product of the concentration of the polycyclic aromatic hydrocarbon and the total equivalent toxicity factor by the average limit concentration of benzo [ a ] pyrene specified by national standard to carry out environmental health grade division, wherein the formula is as follows (III):
when delta is more than or equal to 0 and less than or equal to 0.5, the grade is judged as a healthy grade, when delta is more than 0 and less than or equal to 1, the grade is judged as a good grade, and when delta is more than 1, the grade is judged as an unhealthy grade.
According to the embodiment, the environment health grade is classified according to the concentration of the polycyclic aromatic hydrocarbon, so that the air quality of the current cooking environment can be judged more intuitively.
Example 11.
A kind of cigarette machine with a plurality of independent harmful substance detection die sets, other structures are the same as any one of embodiments 1-10, the difference lies in, as shown in figure 5, the control assembly 200 has lampblack absorber wind speed regulating module 201, firepower regulating module 202 and reminds the module 203; the reminding module 203 is connected with the output end of the calculating module, the output end of the organic volatile matter detecting module 103 and the output end of the particulate matter detecting module 104, and the reminding module 203 receives the calculating result of the calculating module, the detecting result of the organic volatile matter detecting module 103 and the detecting result of the particulate matter detecting module 104 and then displays and reminds;
specifically, the range hood wind speed adjusting module 201 is respectively connected with the output end of the calculation model and the ventilation assembly of the range hood body 300, and if the output signal of the output end of the calculation model received by the range hood wind speed adjusting module 201 is in an unhealthy grade, the range hood wind speed adjusting module controls to enhance or start the working power of the ventilation assembly; the fire power adjusting module 202 is respectively connected with the output end of the temperature sensing module 101, the output end of the organic volatile matter detecting module 103, the output end of the calculation model and the electromagnetic valve; the fire power adjusting module 202 receives information of the output end of the temperature sensing module 101, the output end of the organic volatile matter detecting module 103 and the output end of the calculation model, and controls the on-off of the electromagnetic valve according to the information content.
Be provided with lampblack absorber wind speed adjusting module, firepower adjusting module and warning module through control assembly for this cigarette machine can improve the air quality in improving the kitchen.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. The utility model provides a cigarette machine with a plurality of independent harmful substance detection module which characterized in that:
the device is provided with a plurality of sets of detection modules for detecting the surrounding environment of the range hood, a control assembly and a range hood body; the control assembly is connected with each set of detection module respectively and is connected with the cigarette machine body;
each set of detection module respectively detects the surrounding environment of the cigarette machine and sends the detection information of the surrounding environment to the control assembly, and the control assembly controls the cigarette machine body according to the received detection information;
each set of detection module is provided with a first polycyclic aromatic hydrocarbon calculation module, a temperature sensing module and a visual capture detection module for analyzing oil smoke images of a cooking area and obtaining the size of generated oil smoke in real time;
the first polycyclic aromatic hydrocarbon calculation module is respectively connected with the output end of the temperature sensing module and the output end of the visual capture detection module;
the output end of the temperature sensing module sends temperature detection information to the first polycyclic aromatic hydrocarbon calculating module, the output end of the vision capturing and detecting module sends detected image data to the first polycyclic aromatic hydrocarbon calculating module, and the first polycyclic aromatic hydrocarbon calculating module calculates the concentration of polycyclic aromatic hydrocarbon in a kitchen cooking area according to received information;
the first polycyclic aromatic hydrocarbon calculation module is a calculation model which is constructed by mathematical modeling and obtains the mathematical relationship between the temperature and the oil smoke size and the concentration of polycyclic aromatic hydrocarbon in harmful gas in the oil smoke.
2. A machine as claimed in claim 1, having a plurality of independent harmful substance detection modules, wherein: the temperature sensing module is respectively connected with the control assembly and the cigarette machine body;
the temperature sensing module senses and detects the surrounding environment of the range hood to obtain a temperature output signal and transmits the temperature output signal to the control assembly.
3. A machine as claimed in claim 2, having a plurality of independent harmful substance detection modules, wherein:
the visual capture detection module is respectively connected with the control assembly and the cigarette machine body;
the vision capturing and detecting module collects cooking area oil smoke images around the range hood to obtain oil smoke output signals and transmits the oil smoke output signals to the control assembly.
4. A machine as claimed in claim 3, having a plurality of independent harmful substance detection modules, wherein:
each set of detection module is also provided with an organic volatile matter detection module, and the organic volatile matter detection module is respectively connected with the control assembly and the cigarette machine body;
the organic volatile matter detection module detects concentration values of organic volatile matters around the cigarette machine main body and sends the concentration values of the organic volatile matters to the control assembly.
5. A machine as claimed in claim 4, having a plurality of independent harmful substance detection modules, wherein:
each set of detection module is also provided with a particulate matter detection module, and the particulate matter detection module is respectively connected with the control assembly and the range hood body; the particulate matter detection module detects a concentration value of particulate matter around the cigarette machine body and sends the concentration value of the particulate matter to the control assembly.
6. A machine as claimed in claim 5, having a plurality of independent harmful substance detection modules, wherein:
the calculation module is a linear calculation module or a nonlinear calculation module;
when the calculation model is a nonlinear calculation module, the nonlinear calculation module is an exponential calculation module, a power calculation module, a logarithmic calculation module, a neural network calculation module or a machine learning calculation module; when the nonlinear calculation module is a machine learning calculation module, the machine learning calculation module is a deep learning calculation module; or
The calculation formula of the calculation model is shown as formula (I),
Cpolycyclic aromatic hydrocarbonsFormula (i) 0.05 k +0.0005 k +0.0033 k λ + 475.1;
wherein C isPolycyclic aromatic hydrocarbonsThe total concentration of the polycyclic aromatic hydrocarbon gas in the cooking area, kappa is output data of the temperature sensing module, and lambda is output data of the visual capture detection module; or
The calculation formula of the calculation model is formula (II),
Cpolycyclic aromatic hydrocarbons＝0.05κ0.98+0.0005λ1.05+0.0033 κ λ +469.5.. formula (ii);
wherein C isPolycyclic aromatic hydrocarbonsThe total concentration of the polycyclic aromatic hydrocarbon gas in the cooking area, kappa, and lambda are respectively output data of the temperature sensing module and the visual capture detection module.
7. A machine as claimed in claim 6, having a plurality of independent harmful substance detection modules, wherein: the calculation model carries out environmental health grade division according to the concentration of the polycyclic aromatic hydrocarbon;
the average limit concentration of benzo [ a ] pyrene specified by the national standard is compared with the concentration of polycyclic aromatic hydrocarbon to carry out environmental grade division;
when C is presentPolycyclic aromatic hydrocarbons＜CBenzo [ a ]]PyreneTime, judgeIs a healthy grade, when CPolycyclic aromatic hydrocarbons≥CBenzo [ a ]]PyreneIf so, judging the health level;
wherein C isBenzo [ a ]]PyreneBenzo [ a ] specified for the national standard]Average defined concentration of pyrene, and CBenzo [ a ]]Pyrene＝1ng/m3；
Dividing the polycyclic aromatic hydrocarbon concentration by the average limit concentration of benzo [ a ] pyrene specified by national standard to carry out environmental health grade division, wherein the formula is as follows (III):
when the epsilon is more than or equal to 0 and less than or equal to 0.5, judging the grade as a healthy grade, when the epsilon is more than 0 and less than or equal to 1, judging the grade as a good grade, and when the epsilon is more than 1, judging the grade as an unhealthy grade; or
The environmental health grading is carried out according to the result of weighting the total equivalent toxicity factor of the polycyclic aromatic hydrocarbon concentration;
total equivalent toxicity factor for polycyclic aromatic hydrocarbon concentration calculated by formula (iv):
wherein BEQ is total equivalent toxicity factor of polycyclic aromatic hydrocarbon, μ is mark of polycyclic aromatic hydrocarbon kind, 1 ≤ μ ≤ ξ and μ and ξ are natural numbers, BEQμEquivalent toxic concentration as the content of the μ polycyclic aromatic hydrocarbon, beqμCalculated by the formula (V),
beqμ＝Cμ*TEFμ.... formula (v);
Cμconcentration of the content of the second polycyclic aromatic hydrocarbon, TEFμEquivalent toxicity factor corresponding to the mu polycyclic aromatic hydrocarbon; or
Comparing the product of the concentration of the polycyclic aromatic hydrocarbon and the total equivalent toxicity factor with the average limit concentration of benzo [ a ] pyrene specified by the national standard to classify the environmental grade;
when BEQ CPolycyclic aromatic hydrocarbons＜CBenzo [ a ]]PyreneWhen the health is judged, the health grade is judged as BEQ CPolycyclic aromatic hydrocarbons≥CBenzo [ a ]]PyreneIf so, judging the health level as unhealthy level; or
Dividing the product of the concentration of the polycyclic aromatic hydrocarbon and the total equivalent toxicity factor by the average limit concentration of benzo [ a ] pyrene specified by national standard to carry out environmental health grade division, wherein the formula is as follows (III):
when delta is more than or equal to 0 and less than or equal to 0.5, the grade is judged as a healthy grade, when delta is more than 0 and less than or equal to 1, the grade is judged as a good grade, and when delta is more than 1, the grade is judged as an unhealthy grade.
8. A machine as claimed in claim 7, having a plurality of independent harmful substance detection modules, wherein:
the control assembly is provided with a range hood wind speed adjusting module, a firepower adjusting module and a reminding module; the reminding module is connected with the output end of the calculating module, the output end of the organic volatile matter detecting module and the output end of the particulate matter detecting module, and the reminding module receives the calculating result of the calculating module, the detecting result of the organic volatile matter detecting module and the detecting result of the particulate matter detecting module and then displays reminding;
the range hood wind speed adjusting module is respectively connected with the output end of the calculation model and the air draft assembly of the range hood body, and if the output signal of the output end of the calculation model received by the range hood wind speed adjusting module is in an unhealthy grade, the range hood wind speed adjusting module controls and enhances or starts the working power of the air draft assembly; the fire power adjusting module is respectively connected with the output end of the temperature sensing module, the output end of the organic volatile matter detection module, the output end of the calculation model and the electromagnetic valve; and the firepower adjusting module receives information of the output end of the temperature sensing module, the output end of the organic volatile matter detection module and the output end of the calculation model, and controls the on-off of the electromagnetic valve according to the information content.
9. A machine as claimed in claim 8, having a plurality of independent harmful substance detection modules, wherein:
the temperature sensing module is in wired or wireless signal connection with the control component, and is set as a non-invasive temperature sensor or an invasive temperature sensor;
the non-invasive temperature sensor is set as any one or more of a dot-matrix infrared temperature sensor, an array temperature sensor or a thermal imaging temperature sensor;
the visual capture detection module is configured as a camera,
the volatile organic compound detection module is configured as a VOC sensor capable of measuring the concentration of a number of volatile organic compounds,
the particulate matter detection module is configured to be any one or more of a PM10 sensor, a PM2.5 sensor, a PM1 sensor, a PM0.1 sensor, or a particulate matter sensor smaller than 0.1 μm;
the invasive temperature sensor is configured as a thermocouple temperature sensor.
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| CN204880283U (en) * | 2015-06-03 | 2015-12-16 | 中山市士林电器有限公司 | Intelligence smoke ventilator |
| CN205079296U (en) * | 2015-10-16 | 2016-03-09 | 沈阳英林特电器有限公司 | Range hood |
| CN109028223A (en) * | 2018-09-29 | 2018-12-18 | 佛山市云米电器科技有限公司 | Have the kitchen ventilator and oil smoke concentration detection method of gesture control vision-based detection function |
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| CN204880283U (en) * | 2015-06-03 | 2015-12-16 | 中山市士林电器有限公司 | Intelligence smoke ventilator |
| CN205079296U (en) * | 2015-10-16 | 2016-03-09 | 沈阳英林特电器有限公司 | Range hood |
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