CN210720309U - Oil smoke volatile organic compounds detects control system - Google Patents
Oil smoke volatile organic compounds detects control system Download PDFInfo
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- CN210720309U CN210720309U CN201822274116.0U CN201822274116U CN210720309U CN 210720309 U CN210720309 U CN 210720309U CN 201822274116 U CN201822274116 U CN 201822274116U CN 210720309 U CN210720309 U CN 210720309U
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Abstract
The utility model provides an oil smoke volatile organic compounds detects control system, is provided with VOC detection device, the controlling means who is arranged in detecting volatile organic compounds concentration in the oil smoke of current region, carries out the updraft ventilator of taking a breath and carries out the heat energy generator of culinary art, and VOC detection device is connected with the controlling means electricity, and controlling means respectively with updraft ventilator and heat energy generator signal connection. The utility model discloses a volatile organic compounds of oil smoke detects current region's VOC concentration and polycyclic aromatic hydrocarbon concentration, can also carry out healthy grade division to the current environment, reminds the user to notice the protection simultaneously. The utility model discloses an oil smoke volatile organic compounds detects control system simultaneous control updraft ventilator and heat energy generator to reduce volatile organic compounds and polycyclic aromatic hydrocarbon's volume.
Description
Technical Field
The utility model relates to a volatile organic compounds detection area in the oil smoke, in particular to oil smoke volatile organic compounds detects control system.
Background
In modern life, many households produce a large amount of oil smoke during cooking. Researches show that the cooking oil fume has complex components, certain inhalation toxicity, immunotoxicity and mutagenicity and certain harm to human health. The oil smoke gas comprises volatile organic compounds such as hydrocarbons, halogenated hydrocarbons, oxygenated hydrocarbons or nitrogen hydrocarbon compounds. A significant portion of these volatile organic compounds are carcinogenic and have varying degrees of influence on the respiratory system of the human body. The household control system in the prior art cannot automatically identify the concentration of volatile organic compounds in the oil smoke in the current cooking environment, and cannot guarantee the health of people when enjoying the fun of cooking.
Therefore, aiming at the defects of the prior art, the system for detecting and controlling the volatile organic compounds in the oil smoke is necessary to solve the defects of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an one of them aim at avoids prior art's weak point and provides an oil smoke volatile organic compounds detection control system. This oil smoke volatility organic matter detects control system cooks the volatility organic matter concentration in the environment before can discerning, controls updraft ventilator and heat energy generator in order to reduce volatility organic matter concentration simultaneously.
The above object of the present invention is achieved by the following technical measures:
the utility model provides an oil smoke volatile organic compounds detects control system, is provided with VOC detection device, the controlling means who is arranged in detecting the volatile organic compounds concentration in the oil smoke of current region, carries out the updraft ventilator of taking a breath and carries out the heat energy generator of culinary art, and VOC detection device is connected with the controlling means electricity, and controlling means respectively with updraft ventilator and heat energy generator signal connection.
VOC detection device detects volatile organic compounds concentration in the current region and obtains VOC concentration signal and send to controlling means, and controlling means receives VOC concentration signal and handles and obtain the processing signal, and controlling means sends the processing signal respectively to updraft ventilator and heat energy generator, and updraft ventilator receives the processing signal and carries out wind-force regulation, and heat energy generator receives the processing signal and carries out heat energy regulation.
Preferably, the heat energy generator is at least one of a range, an induction cooker, a microwave oven, an oven and an electric ceramic oven.
Preferably, the air extracting device is at least one of a range hood or an exhaust fan.
Preferably, the VOC detection device is provided in plural.
The utility model discloses an oil smoke volatile organic compounds detects control system still is provided with the temperature sensing module that is used for detecting the temperature in the culinary art region, is used for obtaining the image acquisition module that produces the oil smoke size and the calculation module that is used for calculating the polycyclic aromatic hydrocarbon concentration of current region to the regional oil smoke image analysis of culinary art in real time, and VOC detection device, temperature sensing module and image acquisition module are connected with the calculation module electricity respectively, and the calculation module is connected with the controlling means electricity.
VOC detection device detects volatile organic compounds concentration in the current region and obtains VOC concentration signal and send to controlling means and calculation module respectively, temperature sensing module response culinary art regional temperature obtains temperature signal and transmits the temperature signal that obtains to calculation module as temperature output signal, image acquisition module gathers culinary art regional oil smoke image and obtains oil smoke output signal and transmits to calculation module, calculation module receives temperature output signal respectively, oil smoke output signal and VOC concentration signal, calculation module then to temperature output signal, oil smoke output signal and VOC concentration signal processing obtain the polycyclic aromatic hydrocarbon concentration in current region in real time and obtain polycyclic aromatic hydrocarbon concentration signal, calculation module sends polycyclic aromatic hydrocarbon concentration signal to controlling means.
The control device receives VOC concentration signals of the VOC detection device and polycyclic aromatic hydrocarbon concentration signals of the calculation module respectively and processes the signals to obtain processed signals, the control device sends the processed signals to the air draft device and the heat energy generator respectively, the air draft device receives the processed signals to adjust wind power, and the heat energy generator receives the processed signals to adjust heat energy.
Preferably, the calculation module is a calculation module which is constructed by mathematical modeling and obtains a mathematical relationship between the temperature, the oil smoke size and the concentration of the volatile organic compounds in the cooking area and the concentration of the polycyclic aromatic hydrocarbon in the oil smoke.
Preferably, the calculation module is a linear calculation module, a nonlinear calculation module, an exponential calculation module, a power calculation module, a logarithmic calculation module, a neural network calculation module, a machine learning calculation module, or a deep learning calculation module.
Preferably, the control device is a control device capable of classifying health according to the concentration of the polycyclic aromatic hydrocarbon and the concentration of the VOC.
Preferably, the air draft device is provided with a wind speed adjusting module, and the wind speed adjusting module is electrically connected with the control device.
Preferably, the heat energy generator is provided with a power adjusting module, and the power adjusting module is electrically connected with the control device.
The control device receives the VOC concentration signal of the VOC detection device and the polycyclic aromatic hydrocarbon concentration signal of the calculation module respectively to carry out health grade division to obtain a processing signal. The control device sends the processing signal to the wind speed adjusting module, and the wind speed adjusting module receives the processing signal and adjusts wind power. The control device sends the processing signal to the power adjusting module, and the power adjusting module receives the processing signal and adjusts the output power.
The utility model discloses an oil smoke volatile organic compounds detects control system still is provided with the suggestion module, and the suggestion module is connected with the controlling means electricity.
The control device sends the processing signal to the prompting module, and the prompting module receives the processing signal and prompts the current health grade of the user.
The utility model discloses an oil smoke volatile organic compounds detects control system is provided with VOC detection device, the controlling means who is arranged in detecting volatile organic compounds concentration in the oil smoke of current region, carries out the updraft ventilator of taking a breath and the heat energy generator who cooks, and VOC detection device is connected with the controlling means electricity, and controlling means respectively with updraft ventilator and heat energy generator signal connection. The utility model discloses a volatile organic compounds of oil smoke detects current region's VOC concentration and polycyclic aromatic hydrocarbon concentration, can also carry out healthy grade division to the current environment, reminds the user to notice the protection simultaneously. The utility model discloses an oil smoke volatile organic compounds detects control system simultaneous control updraft ventilator and heat energy generator to reduce volatile organic compounds and polycyclic aromatic hydrocarbon's volume.
The utility model discloses a second aim at avoids prior art's weak point and provides an oil smoke volatile organic compounds detection control system and detects the application of control system as kitchen air quality check out test set, has oil smoke volatile organic compounds and detects control system and be used for kitchen air quality to detect, can ensure that the health of kitchen user in the culinary art in-process obtains the guarantee.
The utility model discloses a third aim at avoids prior art's weak point and provides an oil smoke volatile organic compounds detection control system and is used for domestic air quality check out test set as domestic air quality check out test set's application, thereby can indicate that inside harmful substance concentration ensures that the user is healthy when the family.
The utility model discloses a fourth aim at avoids prior art's weak point and provides an oil smoke volatile organic compounds detection control system and uses as outdoor air quality check out test set, has oil smoke volatile organic compounds detection control system and is used for outdoor air quality check out test set, and the user can indicate harmful substance concentration through using this equipment, can ensure the health of user when the family advances the culinary art.
Drawings
The present invention will be further described with reference to the accompanying drawings, but the contents in the drawings do not constitute any limitation to the present invention.
Fig. 1 is a schematic view of a working flow of an oil smoke volatile organic compound detection control system in embodiment 1.
Fig. 2 is a schematic view of a working flow of the oil smoke volatile organic compound detection control system of embodiment 3.
Detailed Description
The technical solution of the present invention will be further explained by the following examples.
Example 1.
The utility model provides an oil smoke volatile organic compounds detects control system, as shown in figure 1, is provided with VOC detection device, controlling means, the updraft ventilator that takes a breath and the heat energy generator who cooks that is arranged in detecting the volatile organic compounds concentration in the oil smoke of current region, and VOC detection device is connected with the controlling means electricity, and controlling means respectively with updraft ventilator and heat energy generator signal connection.
VOC detection device detects volatile organic compounds concentration in the current region and obtains VOC concentration signal and send to controlling means, and controlling means receives VOC concentration signal and handles and obtain the processing signal, and controlling means sends the processing signal respectively to updraft ventilator and heat energy generator, and updraft ventilator receives the processing signal and carries out wind-force regulation, and heat energy generator receives the processing signal and carries out heat energy regulation.
The heat energy generator of the utility model can be at least one of a cooking range, an electromagnetic oven, a microwave oven, an oven or an electric ceramic oven, and is specifically determined according to actual conditions. The specific heat energy generator of this embodiment is a stove.
The utility model discloses an updraft ventilator is at least one in lampblack absorber or the exhaust fan, specifically according to actual conditions and decide. The specific updraft ventilator of this embodiment is the lampblack absorber.
The utility model discloses an oil smoke volatile organic compounds detects control system still is provided with the temperature sensing module that is used for detecting the temperature in the culinary art region, is used for obtaining the image acquisition module that produces the oil smoke size and the calculation module that is used for calculating the polycyclic aromatic hydrocarbon concentration of current region to the regional oil smoke image analysis of culinary art in real time, and VOC detection device, temperature sensing module and image acquisition module are connected with the calculation module electricity respectively, and the calculation module is connected with the controlling means electricity.
VOC detection device detects volatile organic compounds concentration in the current region and obtains VOC concentration signal and send to controlling means and calculation module respectively, temperature sensing module response culinary art regional temperature obtains temperature signal and transmits the temperature signal that obtains to calculation module as temperature output signal, image acquisition module gathers culinary art regional oil smoke image and obtains oil smoke output signal and transmits to calculation module, calculation module receives temperature output signal respectively, oil smoke output signal and VOC concentration signal, calculation module then to temperature output signal, oil smoke output signal and VOC concentration signal processing obtain the polycyclic aromatic hydrocarbon concentration in current region in real time and obtain polycyclic aromatic hydrocarbon concentration signal, calculation module sends polycyclic aromatic hydrocarbon concentration signal to controlling means.
The control device receives VOC concentration signals of the VOC detection device and polycyclic aromatic hydrocarbon concentration signals of the calculation module respectively and processes the signals to obtain processed signals, the control device sends the processed signals to the air draft device and the heat energy generator respectively, the air draft device receives the processed signals to adjust wind power, and the heat energy generator receives the processed signals to adjust heat energy.
The utility model discloses an updraft ventilator's wind-force is adjusted and can be for wind-force increase when VOC concentration and polycyclic aromatic hydrocarbon concentration are higher, then can wind-force turn down in order to reduce updraft ventilator's load when VOC concentration and polycyclic aromatic hydrocarbon concentration in normal range. The utility model discloses a heat energy regulation of heat energy generator can be for reducing heat energy output when VOC concentration and polycyclic aromatic hydrocarbon concentration are higher, reduces heat energy generator's temperature to reduce volatile organic compounds and polycyclic aromatic hydrocarbon's formation.
The utility model discloses the calculation module of calculation module for use mathematical modeling to establish and obtain the mathematical relationship about polycyclic aromatic hydrocarbon concentration in temperature, oil smoke size and volatile organic compounds concentration and the oil smoke in the culinary art region.
The utility model discloses a calculation module obtains through mathematical modeling, and mathematical modeling is through the mathematical relationship of factors such as experiment collection different temperatures, oil smoke size, VOC concentration and harmful gas polycyclic aromatic hydrocarbon concentration in the oil smoke. Sampling detection is carried out according to different experimental conditions to obtain different types of polycyclic aromatic hydrocarbon concentrations, analysis and classification are carried out to obtain a mathematical model, and therefore the calculation module can judge the current different types of polycyclic aromatic hydrocarbon concentrations according to the detection conditions of the temperature, the oil smoke size and the VOC concentration in the cooking area.
The utility model discloses a calculation module is one of them of linear type calculation module, nonlinear calculation module, exponential type calculation module, power type calculation module, logarithmic type calculation module, class neural network calculation module, machine learning calculation module or degree of depth learning calculation module.
The utility model discloses a calculation module calculates current region's polycyclic aromatic hydrocarbon concentration through temperature output signal, oil smoke output signal and VOC concentration signal, and this calculation module is the calculator or possesses the module of calculation function all can regard as the utility model discloses a calculation module, to the common general knowledge of calculation module in this type for industrial production, technical personnel in the field should know, no longer gives unnecessary details here.
The processing method of the image acquisition module comprises the following steps:
the image acquisition module is used for processing on the basis of an initial image acquired by the imaging equipment, the initial image is a gray scale image, the acquired initial images are serialized and sequentially processed through the initial image of a subsequent frame and the initial image of a previous frame, and the current kitchen oil smoke concentration of each subsequent frame at the moment of the initial image is obtained.
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:
and the image acquisition module 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,
post frame initial imageThe gray scale values of the pixels of 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 β;
2-22, convolving the convolution kernel β with the corrosion image, and extracting the pixel gray maximum value o of the convolution result in the area covered by the convolution kernel and the pixel point R coincident with the center of the convolution kernel when the convolution kernel β traverses the corrosion image;
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 maximum value pixel point matrix O of a convolution result obtained in the process that the convolution kernel β traverses the corrosion image, wherein the gray scale of the maximum value pixel point matrix O is determined by 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, e is the gray value of the denoised image of the pixel point at each position of the filter, α is a weight coefficient and corresponds to the position of the filter;
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 image acquisition module is only to propose one of them processing method, and the method that only can acquire the image acquisition module output data of cooking area to the processing method of other image acquisition modules can all be applied to the utility model discloses a can discern harmful gas's lampblack absorber in the oil smoke, all should fall into the protection scope of the utility model.
It should be noted that the utility model discloses an image acquisition module adopts the camera to detect the regional oil smoke size of culinary art, as long as can realize the utility model discloses an above-mentioned function can all be regarded as the utility model discloses an image acquisition module.
The utility model discloses a temperature is preferred to detect kitchen utensils and appliances temperature in the culinary art district, also can be for detecting air temperature, oil smoke temperature or cooking utensils temperature etc. in the culinary art district, and specific embodiment is decided according to actual conditions. In the embodiment, the temperature detected in the cooking area is the temperature of the kitchen ware.
The utility model provides an oil smoke volatile organic compounds detects control system, is provided with VOC detection device, the controlling means who is arranged in detecting volatile organic compounds concentration in the oil smoke of current region, carries out the updraft ventilator of taking a breath and carries out the heat energy generator of culinary art, and VOC detection device is connected with the controlling means electricity, and controlling means respectively with updraft ventilator and heat energy generator signal connection. The utility model discloses a volatile organic compounds of oil smoke detects VOC concentration and polycyclic aromatic hydrocarbon concentration of control system current region. The utility model discloses an oil smoke volatile organic compounds detects control system simultaneous control updraft ventilator and heat energy generator to reduce volatile organic compounds and polycyclic aromatic hydrocarbon's volume.
Example 2.
The other characteristics of the oil smoke volatile organic compound detection control system are the same as those of the embodiment 1, and the difference is that: the calculation formula of the calculation module is formula (I),
Cpolycyclic aromatic hydrocarbons＝0.05κ+0.05λ+25CVOC+0.33 κ λ +475.1 … … of formula (I);
wherein C isPolycyclic aromatic hydrocarbonsThe total concentration of polycyclic aromatic hydrocarbon gas in the cooking area, kappa is output data of the temperature sensing module, lambda is output data of the image acquisition module, and CVOCIs the output data of the VOC sensor.
When k is ∈ (0 ℃, 200 ℃), CVOC∈(0mg/m3，5mg/m3) λ ∈ (0,300), C(2-3)＝70％CPolycyclic aromatic hydrocarbons,C(4)＝20％CPolycyclic aromatic hydrocarbons,C(5-6)＝10％CPolycyclic aromatic hydrocarbons。
When k.epsilon. (200 ℃, 240 ℃), CVOC∈(5mg/m3，10mg/m3) λ ∈ (300,500), 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.
For example, when κ is 100 ℃, λ is 100, CVOCIs 1mg/m3When, respectively combine kappa and CVOCDirectly substituting the data value of the sum lambda into a formula to obtain CPolycyclic aromatic hydrocarbonsIs 3810.1 and CPolycyclic aromatic hydrocarbonsIn units of pg/m3I.e. the concentration of polycyclic aromatic hydrocarbons in the current environment is 3810.1pg/m3。C(2-3)Has a concentration of 2667.07pg/m3，C(4)Has a concentration of 762.02pg/m3，C(5-6)Has a concentration of 381.01pg/m3。
The range hood of this embodiment can obtain the polycyclic aromatic hydrocarbon concentration of current region through detecting temperature output signal, oil smoke output signal and VOC concentration signal, calculating, can calculate the concentration of dicyclo 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 3.
A kind of oil smoke volatile organic compounds measures the control system, as shown in fig. 2, other characteristics are the same as embodiment 2, the difference lies in: the utility model discloses a controlling means is for can carrying out the controlling means that the health grade was divided according to polycyclic aromatic hydrocarbon concentration and VOC concentration.
The air draft device is provided with an air speed adjusting module, and the air speed adjusting module is electrically connected with the control device. The heat energy generator is provided with a power adjusting module which is electrically connected with the control device.
The control device receives the VOC concentration signal of the VOC detection device and the polycyclic aromatic hydrocarbon concentration signal of the calculation module respectively to carry out health grade division to obtain a processing signal. The control device sends the processing signal to the wind speed adjusting module, and the wind speed adjusting module receives the processing signal and adjusts wind power. The control device sends the processing signal to the power adjusting module, and the power adjusting module receives the processing signal and adjusts the output power.
The present embodiment is according to GBT18883-2 indoor air quality standard carry out the grade of health and divides, the utility model discloses also can divide according to other quality standard, for example GB3059-2012, WTO's "environmental quality standard". The utility model discloses also can divide according to other predetermined environmental quality values.
In the embodiment, polycyclic aromatic hydrocarbon is classified by dividing polycyclic aromatic hydrocarbon concentration with average limit concentration of benzo [ a ] pyrene specified by national standard, as shown in formula (III):
and when the epsilon is more than or equal to 0 and less than or equal to 0.5, judging the polycyclic aromatic hydrocarbon grade as healthy.
When the epsilon is more than 0.5 and less than or equal to 1, the polycyclic aromatic hydrocarbon grade is judged to be good.
When the epsilon is more than 1 and less than or equal to 5, the polycyclic aromatic hydrocarbon grade is judged to be medium.
When the epsilon is more than 5 and less than or equal to 10, the grade of the polycyclic aromatic hydrocarbon is judged to be poor.
When 10 < ε, the polycyclic aromatic hydrocarbon rating is judged to be severe.
Wherein C isBenzo [ a ]]PyreneBenzo [ a ] specified for the national standard]Average defined concentration of pyrene, and CBenzo [ a ]]Pyrene＝1ng/m3。
It should be noted that, the utility model discloses a polycyclic aromatic hydrocarbon grade also can be divided according to other values of epsilon, and this embodiment only provides the scheme of an implementation, and polycyclic aromatic hydrocarbon grade division method to what other polycyclic aromatic hydrocarbon concentration according to go on also falls into the protection scope of the utility model.
Carrying out health definite value division on the polycyclic aromatic hydrocarbon grade to obtain the polycyclic aromatic hydrocarbon grade UPolycyclic aromatic hydrocarbons。
When the polycyclic aromatic hydrocarbon grade is healthy, then UPolycyclic aromatic hydrocarbonsIs 1.
When the polycyclic aromatic hydrocarbon grade is good, then UPolycyclic aromatic hydrocarbonsIs 2.
When the polycyclic aromatic hydrocarbon grade is medium, then UPolycyclic aromatic hydrocarbonsIs 3.
When the polycyclic aromatic hydrocarbon grade is poor, then UPolycyclic aromatic hydrocarbonsIs 4.
When the polycyclic aromatic hydrocarbon grade is severe, then UPolycyclic aromatic hydrocarbonsIs 5.
It should be noted that the polycyclic aromatic hydrocarbon grade of the present invention can be as shown above, and the polycyclic aromatic hydrocarbon grade can also correspond to different U's according to different practical situationsPolycyclic aromatic hydrocarbonsThe values, this example only shows one possibility, corresponding to U for various polycyclic aromatic hydrocarbon gradesMultiple ringAromatic hydrocarbonsThe value all falls into the protection scope of the utility model.
The utility model discloses a calculation module still carries out healthy definite value with the output data of VOC sensor and divides and obtain volatile organic compounds grade UVOC。
The utility model discloses a volatile organic compounds grade UVOCParticularly, the output data of the VOC sensor is divided into different ranges, and corresponding health fixed values are given to the corresponding ranges.
For example, when 0. ltoreq.CVOC≤0.4mg/m3Then UVOC＝1；
When the concentration is 0.4mg/m3＜CVOC≤0.6mg/m3Then UVOC＝2；
When the concentration is 0.6mg/m3＜CVOC≤0.7mg/m3Then UVOC＝3；
When the concentration is 0.7mg/m3＜CVOC≤0.7mg/m3Then UVOC＝4；
When the concentration is 0.7mg/m3＜CVOCThen UVOC＝5。
Volatile organic compound grade U of the present exampleVOCIs based on GBT18883-2002 that the average value of TVOC in 8 hours in indoor air quality standard is 0.6mg/m3And divided. The utility model discloses a based on other air quality standards or other division scope will fall into the utility model discloses a protection scope.
It should be noted that the output data of the VOC sensor of the present invention can be divided into health constant values according to CVOCIs divided into other values. This example merely provides an implementation of the volatile organic compound level U based on the output data of other VOC sensorsVOCAlso fall within the scope of protection of the present invention.
The utility model discloses calculate following method to health level U:
the calculation module converts the polycyclic aromatic hydrocarbon grade UPolycyclic aromatic hydrocarbonsAnd volatile organic grade UVOCIn comparison, the maximum value is the health grade U of the current area, as shown in formula (VIII),
U＝max(Uparticulate matter，UVOC) Formula (VIII).
2. The calculation module converts the polycyclic aromatic hydrocarbon grade UPolycyclic aromatic hydrocarbonsAnd volatile organic grade UVOCAdding to obtain the health grade U of the current region, as shown in formula (IX),
U＝Uparticulate matter+UVOCFormula (IX).
3. The calculation module converts the polycyclic aromatic hydrocarbon grade UPolycyclic aromatic hydrocarbonsMultiplying by a polycyclic aromatic hydrocarbon weight factor QPolycyclic aromatic hydrocarbonsAnd volatile organic compound grade UVOCMultiplying by a volatile organic weighting factor QVOCIn contrast, the maximum value is selected as the health grade U of the current area, as shown in formula (X),
U＝max(Uparticulate matter*QParticulate matter,UVOC*QVOC) Formula (X).
4. The calculation module converts the polycyclic aromatic hydrocarbon grade UPolycyclic aromatic hydrocarbonsMultiplying by a polycyclic aromatic hydrocarbon weight factor QPolycyclic aromatic hydrocarbonsAnd volatile organic compound grade UVOCMultiplying by a volatile organic weighting factor QVOCAdding to obtain the health level U of the current area, as formula (XI),
U＝Uparticulate matter*QParticulate matter+UVOC*QVOCFormula (XI).
The health level U calculation of the present embodiment is specifically the first one. For example when UPolycyclic aromatic hydrocarbons＝2， UVOCWhen the current area is 4, the health level U of the current area is 4. A smaller value for U indicates healthier, and a larger value for U indicates unhealthy.
It should be noted that, the 4 methods of the present invention may be selected as the first method, or may be selected according to other three methods according to actual situations, and the specific implementation manner is determined according to actual situations. For the third method of the present invention QPolycyclic aromatic hydrocarbonsIs 1.2, QVOCIs 0.6, QPolycyclic aromatic hydrocarbonsAnd QVOCOther values are possible, and the specific embodiment is determined according to actual conditions. Q for the fourth method of the present inventionPolycyclic aromatic hydrocarbonsIs 0.6, QVOCIs 0.2, QPolycyclic aromatic hydrocarbonsAnd QVOCOther values are possible, and the specific embodiment is determined according to actual conditions.
The utility model discloses an oil smoke volatile organic compounds detects control system still is provided with the suggestion module, and the suggestion module is connected with the controlling means electricity. The control device sends the processing signal to the prompting module, and the prompting module receives the processing signal and prompts the current health grade of the user. Compared with the embodiment 1, the oil smoke volatile organic compound detection control system of the embodiment can carry out health grade division on the concentration of polycyclic aromatic hydrocarbon and the concentration of VOC in the current environment, and meanwhile, the oil smoke volatile organic compound detection control system also has a prompt module which reminds a user to pay attention to protection according to the current health grade.
Example 4.
The utility model provides an oil smoke volatile organic compounds detects control system is as kitchen air quality check out test set's application, has the oil smoke volatile organic compounds that has of embodiment 3 and detects control system, with this oil smoke volatile organic compounds detects control system and is applied to the kitchen environment, can detect the regional polycyclic aromatic hydrocarbon concentration of culinary art and the VOC concentration in kitchen, ensures that the health of kitchen user in the culinary art in-process obtains the guarantee.
Example 5.
The utility model provides an oil smoke volatile organic compounds detects control system is as domestic air quality check out test set's application, has the oil smoke volatile organic compounds that has of embodiment 3 and detects control system, is applied to domestic environment with this oil smoke volatile organic compounds and detects polycyclic aromatic hydrocarbon and volatile organic compounds concentration that the family is interior because of culinary art or waft from the external environment of family, thereby can indicate that inside harmful substance concentration ensures that the user is healthy when the family.
Example 6.
The utility model provides an oil smoke volatile organic compounds detects control system is as outdoor application with air quality check out test set, has the oil smoke volatile organic compounds that has of embodiment 3 and detects control system, is applied to outdoor environment with this oil smoke volatile organic compounds and detects control system, can detect the harmful substance concentration of polycyclic aromatic hydrocarbon and volatile organic compounds concentration, carbon monoxide concentration and formaldehyde concentration that produce when outdoor environment cooks, thereby can indicate harmful substance concentration and ensure user's health.
Example 7.
The utility model provides an application of harmful substance check out test set for regional air quality check out test set of having with dining, has embodiment 1 to 6's harmful substance check out test set with infrared temperature sensor, is applied to the regional environment of dining with this harmful substance check out test set, can detect the harmful substance concentration of polycyclic aromatic hydrocarbon, particulate matter concentration, volatile organic compounds concentration, carbon monoxide concentration and formaldehyde concentration in the region of having a dinner, thereby can indicate harmful substance concentration guarantee the health of personnel in the region of having a dinner.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. The utility model provides an oil smoke volatile organic compounds detects control system which characterized in that: the system is provided with a VOC detection device for detecting the concentration of volatile organic compounds in oil smoke in the current area, a control device, an air exhaust device for air exchange and a heat energy generator for cooking, wherein the VOC detection device is electrically connected with the control device, and the control device is respectively in signal connection with the air exhaust device and the heat energy generator;
the VOC detection device detects the concentration of volatile organic compounds in the current area to obtain a VOC concentration signal and sends the VOC concentration signal to the control device, the control device receives the VOC concentration signal and processes the VOC concentration signal to obtain a processing signal, the control device sends the processing signal to the air draft device and the heat energy generator respectively, the air draft device receives the processing signal to carry out wind power regulation, and the heat energy generator receives the processing signal to carry out heat energy regulation;
the device is also provided with a temperature sensing module for detecting the temperature in the cooking area, an image acquisition module for analyzing oil smoke images in the cooking area and obtaining the size of the generated oil smoke in real time and a calculation module for calculating the concentration of polycyclic aromatic hydrocarbon in the current area, wherein the VOC detection device, the temperature sensing module and the image acquisition module are respectively and electrically connected with the calculation module, and the calculation module is electrically connected with the control device;
the VOC detection device detects the concentration of volatile organic compounds in a current area to obtain VOC concentration signals, the VOC concentration signals are respectively sent to the control device and the calculation module, the temperature sensing module senses the temperature in a cooking area to obtain temperature signals, the obtained temperature signals are transmitted to the calculation module as temperature output signals, the image acquisition module acquires oil smoke images of the cooking area to obtain oil smoke output signals and transmits the oil smoke output signals to the calculation module, the calculation module respectively receives the temperature output signals, the oil smoke output signals and the VOC concentration signals, the calculation module processes the temperature output signals, the oil smoke output signals and the VOC concentration signals to obtain polycyclic aromatic hydrocarbon concentration signals of the current area in real time, and the calculation module sends the polycyclic aromatic hydrocarbon concentration signals to the control device;
the control device respectively receives the VOC concentration signal of the VOC detection device and the polycyclic aromatic hydrocarbon concentration signal of the calculation module and processes the signals to obtain processing signals;
the heat energy generator is at least one of a cooking range, an induction cooker, a microwave oven, an oven or an electric ceramic oven.
2. The lampblack volatile organic compound detection control system as claimed in claim 1, wherein: the air draft device is at least one of a range hood or an exhaust fan.
3. The lampblack volatile organic compound detection control system as claimed in claim 2, wherein: the VOC detection device is provided with a plurality of.
4. The lampblack volatile organic compound detection control system as claimed in claim 3, wherein: the control device is a control device capable of classifying health grades according to the concentration of the polycyclic aromatic hydrocarbon and the concentration of VOC;
the air draft device is provided with an air speed adjusting module which is electrically connected with the control device;
the heat energy generator is provided with a power adjusting module which is electrically connected with the control device;
the control device receives the VOC concentration signal of the VOC detection device and the polycyclic aromatic hydrocarbon concentration signal of the calculation module respectively, health grade division is carried out to obtain a processing signal, the control device sends the processing signal to the wind speed adjusting module, the wind speed adjusting module receives the processing signal and carries out wind power adjustment, the control device sends the processing signal to the power adjusting module, and the power adjusting module receives the processing signal and carries out output power adjustment.
5. The lampblack volatile organic compound detection control system as claimed in claim 4, wherein: the prompting module is electrically connected with the control device;
the control device sends the processing signal to the prompting module, and the prompting module receives the processing signal and prompts the current health grade of the user.
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| CN201822274116.0U CN210720309U (en) | 2018-12-29 | 2018-12-29 | Oil smoke volatile organic compounds detects control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655586A (en) * | 2018-12-29 | 2019-04-19 | 佛山市云米电器科技有限公司 | A kind of oil smoke volatile organic matter detecting and controlling system and its application |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655586A (en) * | 2018-12-29 | 2019-04-19 | 佛山市云米电器科技有限公司 | A kind of oil smoke volatile organic matter detecting and controlling system and its application |
| CN109655586B (en) * | 2018-12-29 | 2024-01-09 | 佛山市云米电器科技有限公司 | Detection control system for oil smoke volatile organic compounds and application thereof |
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