CN209623754U - A kind of smoke machine changeable type polycyclic aromatic hydrocarbon detection device - Google Patents

A kind of smoke machine changeable type polycyclic aromatic hydrocarbon detection device Download PDF

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CN209623754U
CN209623754U CN201822273568.7U CN201822273568U CN209623754U CN 209623754 U CN209623754 U CN 209623754U CN 201822273568 U CN201822273568 U CN 201822273568U CN 209623754 U CN209623754 U CN 209623754U
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polycyclic aromatic
aromatic hydrocarbon
computing module
module
detection device
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陈小平
司徒伟贤
林勇进
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Foshan Viomi Electrical Technology Co Ltd
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Foshan Viomi Electrical Technology Co Ltd
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Abstract

A kind of smoke machine changeable type polycyclic aromatic hydrocarbon detection device is provided with the computing module of shell, polycyclic aromatic hydrocarbon concentration for detecting the temperature sensing module of temperature in cooking zone, for obtaining generating the image capture module of oil smoke size to the image analysis of cooking zone oil smoke and in real time and calculate according to the oil smoke size of temperature in the cooking zone of detection and cooking zone current cooking zone.The detection device can be assembled and disassembled from kitchen ventilator at any time, can detecte polycyclic aromatic hydrocarbon concentration in cooking environments after being assemblied in kitchen ventilator, and user is about to the computing module computing module new from kitchen ventilator dismounting and change certainly after the computing module aging.The smoke machine changeable type polycyclic aromatic hydrocarbon detection device of the utility model also has blast velocity control submodule, prompting submodule and firepower control submodule, current environment Health Category automatically adjusts the wind speed of external kitchen ventilator and the firepower of external stove, making the concentration of the polycyclic aromatic hydrocarbon of current environment reduces, while call user's attention is protected.

Description

A kind of smoke machine changeable type polycyclic aromatic hydrocarbon detection device
Technical field
The utility model relates to polycyclic aromatic hydrocarbon detection field, in particular to a kind of smoke machine is detected with changeable type polycyclic aromatic hydrocarbon Device.
Background technique
In the modern life, many families can generate a large amount of oil smoke in cooking.Studies have shown that cooking fume ingredient is multiple It is miscellaneous, there is certain toxicity on inhalation, immunotoxicity and mutagenicity, there are certain harm to human health.In soot gas Include multiring aromatic hydrocarbon substance, has considerable part that there is carcinogenicity in multiring aromatic hydrocarbon substance, such as benzo [a] pyrene.Existing skill The equipment of art can not oil smoke in the current cooking environments of automatic identification multiring aromatic hydrocarbon substance concentration.
Therefore in view of the shortcomings of the prior art, to provide a kind of smoke machine changeable type polycyclic aromatic hydrocarbon detection device existing to solve Technical deficiency is very necessary.
Utility model content
One purpose of the utility model is to avoid in place of the deficiencies in the prior art and provides a kind of smoke machine with replaceable Formula polycyclic aromatic hydrocarbon detection device.The smoke machine changeable type polycyclic aromatic hydrocarbon detection device can identify the oil smoke in preceding cooking environments Harmful substance polycyclic aromatic hydrocarbon concentration.
The above-mentioned purpose of the utility model is realized by following technical measures:
A kind of smoke machine changeable type polycyclic aromatic hydrocarbon detection device is provided, is provided with shell, for detecting in cooking zone The temperature sensing module of temperature, the Image Acquisition for obtaining generating oil smoke size to the image analysis of cooking zone oil smoke and in real time It module and carries out calculating the polycyclic of current cooking zone according to the oil smoke size of temperature in the cooking zone of detection and cooking zone The computing module of density of aromatic hydrocarbon, temperature sensing module and image capture module are electrically connected with computing module respectively, temperature sensing mould Block, image capture module and computing module are assemblied in interior of shell, and shell is detachably assembled with external kitchen ventilator.
Temperature obtains temperature signal and obtained temperature signal is defeated as temperature in temperature sensing module cooking zone Signal is transmitted to computing module out, and image capture module acquisition cooking zone oil smoke image obtains oil smoke output signal and is transmitted to Computing module, computing module receive temperature output signal and oil smoke output signal respectively and calculate the polycyclic virtue of current cooking zone Hydrocarbon concentration finally obtains polycyclic aromatic hydrocarbon concentration signal.
Preferably, above-mentioned shell is provided with USB interface, and USB interface is electrically connected with computing module.
Temperature obtains temperature signal and obtained temperature signal is defeated as temperature in temperature sensing module cooking zone Signal is transmitted to computing module out, and image capture module acquisition cooking zone oil smoke image obtains oil smoke output signal and is transmitted to Computing module, computing module receive temperature output signal and oil smoke output signal respectively and calculate the polycyclic virtue of current cooking zone Hydrocarbon concentration finally obtains polycyclic aromatic hydrocarbon concentration signal, and then computing module passes through USB interface transmits polycyclic aromatic hydrocarbon concentration signal To external equipment.
The smoke machine of the utility model changeable type polycyclic aromatic hydrocarbon detection device, is additionally provided with radio receiving transmitting module, wirelessly Transceiver module is wirelessly connected with computing module and external equipment respectively.
Temperature obtains temperature signal and obtained temperature signal is defeated as temperature in temperature sensing module cooking zone Signal is transmitted to computing module out, and image capture module acquisition cooking zone oil smoke image obtains oil smoke output signal and is transmitted to Computing module, computing module receive temperature output signal and oil smoke output signal respectively and calculate the polycyclic virtue of current cooking zone Hydrocarbon concentration finally obtains polycyclic aromatic hydrocarbon concentration signal, and computing module sends polycyclic aromatic hydrocarbon concentration signal to radio receiving transmitting module, nothing Line transceiver module receives polycyclic aromatic hydrocarbon concentration signal and is transmitted to external equipment.
Preferably, above-mentioned wireless connection is WIFI, bluetooth, NFC or ZIGBee.
Preferably, above-mentioned computing module is to construct to obtain about harmful in temperature and oil smoke size and oil smoke with mathematical modeling The computing module of the mathematical relationship of polycyclic aromatic hydrocarbon concentration in gas.
Preferably, above-mentioned computing module is lienar for computing module, NONLINEAR CALCULATION module, exponential type computing module, power Type computing module, logarithmic computing module, neural network computing module, machine learning computing module or deep learning calculate Module.
Preferably, above-mentioned computing module is the computing module that Environmental Health grade classification is carried out according to polycyclic aromatic hydrocarbon concentration.
Preferably, said external equipment is external kitchen ventilator and external cooking stove.
The smoke machine of the utility model changeable type polycyclic aromatic hydrocarbon detection device, is additionally provided with blast velocity control submodule, mentions Show submodule and firepower control submodule, blast velocity control submodule, prompting submodule and firepower control submodule respectively with calculating Module electrical connection, blast velocity control submodule and external oil smoke mechatronics, firepower control submodule are electrically connected with external stove.
Preferably, above-mentioned blast velocity control submodule is that the environmental rating that can be sent according to computing module controls external kitchen ventilator Velocity regulator carry out wind speed adjusting blast velocity control submodule.
Preferably, above-mentioned prompting submodule is that can carry out current environment to user according to the environmental rating that computing module is sent The prompting submodule of grade prompt.
Preferably, above-mentioned firepower control submodule is that can be carried out according to the environmental rating that computing module is sent to external stove The firepower control submodule that firepower is adjusted.
Preferably, said external equipment is at least one in computer, tablet computer, mobile phone, cloud database or refrigerator Kind.
A kind of smoke machine of the utility model changeable type polycyclic aromatic hydrocarbon detection device is provided with shell, cooks for detecting Prepare food the temperature sensing module of temperature in region, for obtaining to the image analysis of cooking zone oil smoke and in real time generating oil smoke size It image capture module and carries out calculating current cooking area according to the oil smoke size of temperature in the cooking zone of detection and cooking zone The computing module of the polycyclic aromatic hydrocarbon concentration in domain, temperature sensing module and image capture module are electrically connected with computing module respectively, temperature Degree sensing module, image capture module and computing module are assemblied in interior of shell, and shell is detachably assembled with external kitchen ventilator.It should Smoke machine changeable type polycyclic aromatic hydrocarbon detection device can be assembled and disassembled from kitchen ventilator at any time, be can detecte and cooked after being assemblied in kitchen ventilator It prepares food Polycyclic Aromatic Hydrocarbonat Existing in Environment concentration, user is from kitchen ventilator dismounting and change new from computing module is about to after the computing module aging Computing module.The smoke machine changeable type polycyclic aromatic hydrocarbon detection device of the utility model also has blast velocity control submodule, prompt Submodule and firepower control submodule, current environment Health Category automatically adjust the wind speed of external kitchen ventilator and the fire of external stove Power reduces the concentration of the polycyclic aromatic hydrocarbon of current environment, while call user's attention is protected.The computing module, is also able to detect The polycyclic aromatic hydrocarbon concentration of cooking zone, and data are exported into external equipment simultaneously, so as to data summarization.
Detailed description of the invention
The utility model is further described using attached drawing, but the content in attached drawing is not constituted to the utility model Any restrictions.
Fig. 1 is a kind of workflow schematic diagram of smoke machine changeable type polycyclic aromatic hydrocarbon detection device of embodiment 1.
Fig. 2 is a kind of workflow schematic diagram of smoke machine changeable type polycyclic aromatic hydrocarbon detection device of embodiment 2.
Fig. 3 is a kind of workflow schematic diagram of smoke machine changeable type polycyclic aromatic hydrocarbon detection device of embodiment 11.
Specific embodiment
The technical solution of the utility model is described further with the following Examples.
Embodiment 1.
A kind of smoke machine changeable type polycyclic aromatic hydrocarbon detection device, as shown in Figure 1, being provided with shell, for detecting culinary art The temperature sensing module of temperature in region, the figure for obtaining generating oil smoke size to the image analysis of cooking zone oil smoke and in real time It carries out calculating current cooking zone as acquisition module and according to the oil smoke size of temperature in the cooking zone of detection and cooking zone Polycyclic aromatic hydrocarbon concentration computing module, temperature sensing module and image capture module be electrically connected with computing module respectively, temperature Sensing module, image capture module and computing module are assemblied in interior of shell, and shell is detachably assembled with external kitchen ventilator.
Temperature obtains temperature signal and obtained temperature signal is defeated as temperature in temperature sensing module cooking zone Signal is transmitted to computing module out, and image capture module acquisition cooking zone oil smoke image obtains oil smoke output signal and is transmitted to Computing module, computing module receive temperature output signal and oil smoke output signal respectively and calculate the polycyclic virtue of current cooking zone Hydrocarbon concentration finally obtains polycyclic aromatic hydrocarbon concentration signal.
Temperature preferably detects kitchen tools temperature in the cooking zone of the utility model, or empty in detection cooking zone Temperature degree, oil smoke temperature or kitchen range temperature etc., specific embodiment according to the actual situation depending on.The present embodiment has cooking area It is kitchen tools temperature that temperature is detected in domain.
Shell is provided with USB interface, and USB interface is electrically connected with computing module.
Temperature obtains temperature signal and obtained temperature signal is defeated as temperature in temperature sensing module cooking zone Signal is transmitted to computing module out, and image capture module acquisition cooking zone oil smoke image obtains oil smoke output signal and is transmitted to Computing module, computing module receive temperature output signal and oil smoke output signal respectively and calculate the polycyclic virtue of current cooking zone Hydrocarbon concentration finally obtains polycyclic aromatic hydrocarbon concentration signal, and then computing module passes through USB interface transmits polycyclic aromatic hydrocarbon concentration signal To external equipment.
Computing module be construct to obtain with mathematical modeling about temperature and oil smoke size with it is polycyclic in pernicious gas in oil smoke The computing module of the mathematical relationship of density of aromatic hydrocarbon.
The computing module of the utility model by mathematical modeling obtain, mathematical modeling be by experiment collect different temperatures and The mathematical relationship of pernicious gas polycyclic aromatic hydrocarbon concentration in the factors such as oil smoke size and oil smoke.It is adopted according to different experiment conditions Sample detects to obtain variety classes polycyclic aromatic hydrocarbon concentration and carries out analysis and sort out to obtain mathematical model, so that computing module can be according to cooking The testing conditions of temperature and oil smoke size in region of preparing food judge current variety classes polycyclic aromatic hydrocarbon concentration.
The computing module of the utility model is lienar for computing module, NONLINEAR CALCULATION module, exponential type computing module, power Type computing module, logarithmic computing module, neural network computing module, machine learning computing module or deep learning calculate The one of which of module.
Image capture module acquires the case where oil smoke is generated in cooking process in real time, specially acquires corresponding region in real time Picture simultaneously handles current kitchen fume concentration, and data are transmitted to computing module.
The processing method of image capture module are as follows:
Image capture module is handled based on the initial pictures that imaging device acquires, and initial pictures are gray scale Figure, initial pictures collected are serialized, and the initial pictures of the initial pictures and previous frame that pass sequentially through rear frame are handled, and are obtained To the current kitchen fume concentration at moment locating for each rear frame initial pictures.
It is handled every time by the initial pictures of rear frame and the initial pictures of previous frame, when obtaining locating for rear frame initial pictures The step process for the current kitchen fume concentration carved is as follows:
(1) initial pictures of rear frame and the initial pictures of previous frame frame difference is carried out to handle to obtain frame difference image;
(2) denoising is carried out to frame difference image in a manner of opening operation, obtains denoising image;
(3) edge detection is carried out to denoising image, marker motion region is as initial area-of-interest;
(4) gray average calculating is carried out to initial area-of-interest and segment smoothing degree calculates, it is equal gray scale will to be met simultaneously The region of value and smoothness requirements is as next step area-of-interest, and other regions are as interference elimination;
(5) area-of-interest extracted to step (4) counts respectively, obtains oil smoke concentration according to statistical result and assigns Value.
In step (1), to collected initial pictures carry out frame difference operate to obtain frame difference image be specifically:
Image capture module does a later frame image with previous frame image according to the sequencing of the initial pictures received Difference obtains the highlighted frame difference image in dynamic area.
Wherein step (2) carries out denoising using opening operation to frame difference image, denoising image is obtained, especially by as follows Mode carries out: first carrying out etching operation to frame difference image and disconnects narrow company to eliminate noise and the tiny spine in image It connects;Expansive working is carried out to the image after corrosion again, restores the smoke characteristics in former frame difference image.
Wherein step (3) carries out edge detection to denoising image, and marker motion region is as initial area-of-interest, specifically Be: the edge of detection frame difference image highlight regions is simultaneously marked, using the region marked as initial area-of-interest.
Wherein step (4) is specifically to carry out gray average, the calculating of segment smoothing degree to each initial area-of-interest, is obtained Each initial corresponding gray average of area-of-interest and gray scale smoothness, will meet the gray average being calculated simultaneously and are less than Gray threshold, gray scale smoothness be less than gray scale smoothness threshold initial area-of-interest be used as area-of-interest, will it is other at the beginning of Beginning area-of-interest is determined as interference region.
Wherein step (5) be specifically, for the area-of-interest that step (4) extracts, by each region of interest area image In the gray scales of all pixels carry out read group total and obtain the gray value of each region of interest area image, then by each region of interest The gray value of area image is summed, and oil smoke concentration assignment is obtained.
The target area of imaging device acquisition indicates that any one frame initial pictures are the imaging of corresponding region S with region S.
Initial pictures are made of m*n pixel,
The gray value of the pixel of frame initial pictures A is indicated afterwards with matrix A H, AH={ ahi,j, ahi,jFrame is initial after representative I-th row, the corresponding gray value of jth column pixel in image A, row of the i where pixel, column of the j where pixel, 1≤i≤m, 1 ≤j≤n;The subregion in frame initial pictures A where the i-th row, jth column pixel is AS afterwardsi,j
The gray value of the pixel of previous frame initial pictures B indicates with matrix B H, BH={ bhi,j, bhi,jIt is initial to represent previous frame I-th row, the corresponding gray value of jth column pixel in image B, the subregion in previous frame initial pictures B where the i-th row, jth column pixel For BSi,j
The grey scale pixel value of frame difference image D indicates with matrix D H, DH={ dhi,j}={ | ahi,j-bhi,j|, dhi,jIt represents I-th row, the corresponding gray value of jth column pixel in frame difference image D, the subregion in frame difference image D where the i-th row, jth column pixel For DSi,j
In frame difference image, | dhi,j|=0 region is in black;|dhi,j| ≠ 0 region is in be highlighted.
Etching operation wherein is carried out to frame difference image in step (2), is specifically comprised the following steps:
2-11 arbitrarily defines a convolution kernel θ;
Convolution kernel θ and frame difference image are carried out convolution by 2-12;When convolution kernel θ traverses frame difference image, convolution kernel institute is extracted The pixel grey scale minimum value p of the convolution results and pixel C being overlapped with convolution kernel center in overlay area;
The gray scale of pixel C passes through Matrix C H={ ck,qIndicate, k, q are the row serial number and column serial number of pixel C,
Obtain the convolution results minimum value pixel matrix P obtained in convolution kernel θ traversal frame difference image process, minimum value The gray scale of pixel matrix P passes through matrix PH={ pk,qIndicate;
The corresponding imparting pixel C of the gray scale of pixel matrix P is obtained corrosion image by 2-13;
Expansive working is carried out to corrosion image in step (2), is specifically comprised the following steps:
2-21 arbitrarily defines a convolution kernel β;
Convolution kernel β and corrosion image are carried out convolution by 2-22;When convolution kernel β traverses corrosion image, convolution kernel institute is extracted The pixel grey scale maximum value o of the convolution results and pixel R being overlapped with convolution kernel center in overlay area;
The gray scale of pixel R passes through matrix RH={ rl,vIndicate, l, v are the row serial number and column serial number of pixel R,
Obtain the convolution results maximum value pixel matrix O obtained in convolution kernel β traversal corrosion image process, maximum value The gray scale of pixel matrix O passes through matrix OH={ ol,vIndicate;
The corresponding imparting pixel R of the gray scale of maximum value pixel matrix O is obtained expanding image, obtained expansion by 2-13 Image is to denoise image.
Wherein step (3) carries out as follows:
3-1 defines a filter Y, and filter is t*t matrix, and t is odd number;
3-2 makes filter Y traversal denoising image, calculates filter and go where the central pixel point at each position It makes an uproar the gray values of other pixels in the gray value and center pixel vertex neighborhood of image, and filter is calculated according to formula (I) The edge detection value X of central pixel point at each positionz, z is label when filter Y traversal denoises image,
F, g is the matrix serial number of pixel, and 1≤f≤t, 1≤g≤t, e are pixel of the filter at each position The gray value of the denoising image at place;α is weight coefficient, corresponding with filter location;
3-3, by central pixel point edge detection value X of the filter at each positionzWith center pixel vertex neighborhood its The gray value of its pixel subtracts each other, and judges whether the absolute value of difference is greater than threshold value Δ;
Statistics is greater than the quantity of threshold value, if quantity is more thanDetermine the central pixel point pair of filter present position The pixel position for the denoising image answered is marginal point, and is marked;
3-4, complete denoising image of filter traversal, obtains the markd marginal point of institute, obtains preliminary area-of-interest.
T is 3.
It should be noted that the processing method of above-mentioned image capture module is only to propose one kind of processing method, it is right The method of the image capture module output data of acquisition cooking zone is merely able to all in the processing method of other image capture modules The smoke machine changeable type polycyclic aromatic hydrocarbon detection device that can be applied to the utility model, should all fall into the protection of the utility model Range.
It should be noted that the image capture module of the utility model is to be carried out using camera to cooking zone oil smoke size Detection, as long as the above-mentioned function of can be realized the utility model all can serve as the image capture module of the utility model.And this The computing module of utility model is the polycyclic aromatic hydrocarbon concentration that current cooking zone is calculated by temperature signal and oil smoke signal, should Computing module is that calculator or the module for having computing function can be used as the computing module of the utility model, for this type Computing module be industrial production in computing module common knowledge, those skilled in the art is it is to be understood that herein no longer It repeats.
The computing module of the utility model is the computing module that Environmental Health grade classification is carried out according to polycyclic aromatic hydrocarbon concentration.
Smoke machine changeable type polycyclic aromatic hydrocarbon detection device, is provided with shell, for detecting temperature in cooking zone Temperature sensing module, the image capture module for obtaining generating oil smoke size to the image analysis of cooking zone oil smoke and in real time and The polycyclic aromatic hydrocarbon for calculate current cooking zone according to the oil smoke size of temperature in the cooking zone of detection and cooking zone is dense The computing module of degree, temperature sensing module and image capture module are electrically connected with computing module respectively, temperature sensing module, image Acquisition module and computing module are assemblied in interior of shell, and shell is detachably assembled with external kitchen ventilator.The smoke machine changeable type Polycyclic aromatic hydrocarbon detection device can be assembled and disassembled from kitchen ventilator at any time, can detecte polycyclic virtue in cooking environments after being assemblied in kitchen ventilator Hydrocarbon concentration, user is about to the computing module computing module new from kitchen ventilator dismounting and change certainly after the computing module aging.
Embodiment 2.
A kind of smoke machine changeable type polycyclic aromatic hydrocarbon detection device, as shown in Fig. 2, other features are same as Example 1, no Be with place: the utility model is additionally provided with radio receiving transmitting module, and radio receiving transmitting module is set with computing module and outside respectively It is standby to be wirelessly connected.
Temperature obtains temperature signal and obtained temperature signal is defeated as temperature in temperature sensing module cooking zone Signal is transmitted to computing module out, and image capture module acquisition cooking zone oil smoke image obtains oil smoke output signal and is transmitted to Computing module, computing module receive temperature output signal and oil smoke output signal respectively and calculate the polycyclic virtue of current cooking zone Hydrocarbon concentration finally obtains polycyclic aromatic hydrocarbon concentration signal, and computing module sends polycyclic aromatic hydrocarbon concentration signal to radio receiving transmitting module, nothing Line transceiver module receives polycyclic aromatic hydrocarbon concentration signal and is transmitted to external equipment.
The wireless connection of the present embodiment is WIFI.
It should be noted that the wireless connection of the utility model can be WIFI, or bluetooth, NFC or ZIGBee In any one, specific embodiment mode according to the actual situation depending on.
Compared with Example 1, the polycyclic aromatic hydrocarbon concentration data transmission of the computing module of the utility model is more convenient.
Embodiment 3.
A kind of smoke machine changeable type polycyclic aromatic hydrocarbon detection device, other features are same as Example 1, and difference exists In: the calculation formula of computing module is formula (I),
CPolycyclic aromatic hydrocarbon+ 475.1 formula (I) of+0.33 κ λ of+0.05 λ of=0.05 κ,
Wherein CPolycyclic aromatic hydrocarbonFor the multiring aromatic hydrocarbon gas total concentration in cooking zone, κ is the output data of temperature sensing module, λ For the output data of image capture module.
When κ ∈ (0 DEG C, 200 DEG C), (0,300) λ ∈, C(2-3)=70%CPolycyclic aromatic hydrocarbon,C(4)=20%CPolycyclic aromatic hydrocarbon,C(5-6)= 10%CPolycyclic aromatic hydrocarbon
When κ ∈ (200 DEG C, 240 DEG C), (300,500) λ ∈, C(2-3)=60%CPolycyclic aromatic hydrocarbon,C(4)=25%CPolycyclic aromatic hydrocarbon, C(5-6)=15%CPolycyclic aromatic hydrocarbon
Wherein C(2-3)For the concentration of two ring polycyclic aromatic hydrocarbons and three ring polycyclic aromatic hydrocarbons, C(4)For the concentration of four ring polycyclic aromatic hydrocarbons, C(5-6)For the concentration of five ring polycyclic aromatic hydrocarbons and six ring polycyclic aromatic hydrocarbons.
Such as when κ is 100 DEG C, when λ is 100, the data value of κ and λ is directly substituted into formula respectively, count to obtain CPolycyclic aromatic hydrocarbonFor 3785.1 and CPolycyclic aromatic hydrocarbonUnit be pg/m3, i.e., the concentration of the polycyclic aromatic hydrocarbon in current environment is 3785.1pg/m3。C(2-3)It is dense Degree is 2649.57pg/m3, C(4)Concentration be 757.02pg/m3, C(5-6)Concentration be 378.51pg/m3
The present embodiment be calculated working as by temperature in detection cooking zone and the oil smoke size of cooking zone The polycyclic aromatic hydrocarbon concentration of preceding cooking zone can calculate two ring polycyclic aromatic hydrocarbons, three ring polycyclic aromatic hydrocarbons, Fourth Ring in current environment The concentration of polycyclic aromatic hydrocarbon, five ring polycyclic aromatic hydrocarbons and six ring polycyclic aromatic hydrocarbons.
Embodiment 4.
A kind of smoke machine changeable type polycyclic aromatic hydrocarbon detection device, other features are same as Example 1, and difference exists In: the calculation formula of computing module is formula (II),
CPolycyclic aromatic hydrocarbon=0.05 κ0.98+0.05λ1.05+ 469.5 formula of+0.33 κ λ (II).
Wherein CPolycyclic aromatic hydrocarbonFor the multiring aromatic hydrocarbon gas total concentration in cooking zone, κ is the output data of temperature sensing module, λ For the output data of image capture module.
When κ ∈ (0 DEG C, 200 DEG C), (0,300) λ ∈, C(2-3)=70%CPolycyclic aromatic hydrocarbon,C(4)=20%CPolycyclic aromatic hydrocarbon,C(5-6)= 10%CPolycyclic aromatic hydrocarbon
When κ ∈ (200 DEG C, 240 DEG C), (300,500) λ ∈, C(2-3)=60%CPolycyclic aromatic hydrocarbon,C(4)=25%CPolycyclic aromatic hydrocarbon, C(5-6)=15%CPolycyclic aromatic hydrocarbon
Wherein C(2-3)For the concentration of two ring polycyclic aromatic hydrocarbons and three ring polycyclic aromatic hydrocarbons, C(4)For the concentration of four ring polycyclic aromatic hydrocarbons, C(5-6)For the concentration of five ring polycyclic aromatic hydrocarbons and six ring polycyclic aromatic hydrocarbons.
Such as when κ is 100 DEG C, when λ is 100, the data value of κ and λ is directly substituted into formula respectively, count to obtain CPolycyclic aromatic hydrocarbonFor 3780.35 and CPolycyclic aromatic hydrocarbonUnit be pg/m3, i.e., the concentration of the polycyclic aromatic hydrocarbon in current environment is 3780.35pg/m3。C(2-3)'s Concentration is 2646.245pg/m3, C(4)Concentration be 756.07pg/m3, C(5-6)Concentration be 378.035pg/m3
The present embodiment be calculated working as by temperature in detection cooking zone and the oil smoke size of cooking zone The polycyclic aromatic hydrocarbon concentration of preceding cooking zone can calculate two ring polycyclic aromatic hydrocarbons, three ring polycyclic aromatic hydrocarbons, Fourth Ring in current environment The concentration of polycyclic aromatic hydrocarbon, five ring polycyclic aromatic hydrocarbons and six ring polycyclic aromatic hydrocarbons.
Embodiment 5.
A kind of smoke machine changeable type polycyclic aromatic hydrocarbon detection device, other features are identical as embodiment 3 or embodiment 4, The difference is that: the computing module of the utility model carries out Environmental Health grade classification according to polycyclic aromatic hydrocarbon concentration.
The present embodiment is that be averaged limiting concentration and the polycyclic aromatic hydrocarbon concentrations versus of benzo [a] pyrene of national regulations carries out environment etc. Grade divides.
Work as CPolycyclic aromatic hydrocarbon< CBenzo [a] pyreneWhen, it is determined as Health Category, works as CPolycyclic aromatic hydrocarbon≥ CBenzo [a] pyreneWhen, when judgement, then it is determined as not Health Category.
Wherein CBenzo [a] pyreneIt is averaged limiting concentration, and C for benzo [a] pyrene of national regulationsBenzo [a] pyrene=1ng/m3
Compared with embodiment 3 or 4, the present embodiment carries out Environmental Health grade classification, Neng Gougeng according to polycyclic aromatic hydrocarbon concentration Add the air quality for intuitively going to judge current cooking environments.
Embodiment 6.
A kind of smoke machine changeable type polycyclic aromatic hydrocarbon detection device, other features are same as Example 5, and difference exists It is divided by: benzo [a] pyrene of the polycyclic aromatic hydrocarbon concentration and national regulations limiting concentration that is averaged and carries out Environmental Health grade classification, such as formula (III):
As 0≤ε≤0.5, then it is determined as Health Category, as 0 < ε≤1, is then determined as good level, as ε > 1, Then it is determined as unhealthy grade.
Compared with embodiment 2 or 3, the present embodiment carries out Environmental Health grade classification, Neng Gougeng according to polycyclic aromatic hydrocarbon concentration Add the air quality for intuitively going to judge current cooking environments.
Embodiment 7.
A kind of smoke machine changeable type polycyclic aromatic hydrocarbon detection device, other features are identical as embodiment 5 or embodiment 6, The difference is that: Environmental Health grade classification be result after being weighted with polycyclic aromatic hydrocarbon concentration and equivalent virulence factor into Capable Environmental Health grade classification.
By formula (IV) count polycyclic aromatic hydrocarbon total yield toxic concentration:
Wherein BEQ is the total yield virulence factor of polycyclic aromatic hydrocarbon, and μ is the label of polycyclic aromatic hydrocarbon type, 1≤μ≤ξ and μ and ξ For natural number, beqμFor the equivalent toxic concentration of μ kind polycyclic aromatic hydrocarbon, beqμIt is counted by formula (V),
beqμ=Cμ*TEFμFormula (V),
CμFor the concentration of the content of μ kind polycyclic aromatic hydrocarbon, TEFμFor the corresponding equivalent virulence factor of μ kind polycyclic aromatic hydrocarbon.No Equivalent virulence factor with polycyclic aromatic hydrocarbon is as shown in table 1:
Table 1 is the equivalent virulence factor of various polycyclic aromatic hydrocarbons
Compared with embodiment 5 or embodiment 6, this embodiment introduces the equivalent virulence factor of different polycyclic aromatic hydrocarbons, because It is different for the toxicity for different polycyclic aromatic hydrocarbons, thus harm to the human body is also different.
Embodiment 8.
A kind of smoke machine changeable type polycyclic aromatic hydrocarbon detection device, other features are same as Example 7, and difference exists In benzo [a] pyrene of total yield toxic concentration and national regulations that: the present embodiment is polycyclic aromatic hydrocarbon be averaged limiting concentration compare into Row environmental rating divides;
As BEQ < CBenzo [a] pyreneWhen, when, then it is determined as Health Category, as BEQ >=CBenzo [a] pyreneWhen, when, then it is judged to not being good for Health grade.
Compared with Example 4, this embodiment introduces the equivalent virulence factors of different polycyclic aromatic hydrocarbons, because for different The toxicity of polycyclic aromatic hydrocarbon is different, thus harm to the human body is also different.
Embodiment 9.
A kind of smoke machine changeable type polycyclic aromatic hydrocarbon detection device, other features are same as Example 7, and difference exists It is divided by: the total yield toxic concentration of polycyclic aromatic hydrocarbon and benzo [a] pyrene of the national regulations limiting concentration that is averaged and carries out Environmental Health Grade classification, such as formula (III):
As 0≤δ≤0.5, then it is determined as Health Category, as 0 < δ≤1, is then determined as good level, as δ > 1, Then it is determined as unhealthy grade.
Compared with Example 5, this embodiment introduces the equivalent virulence factors of different polycyclic aromatic hydrocarbons, because for different The toxicity of polycyclic aromatic hydrocarbon is different, thus harm to the human body is also different.
Embodiment 10.
A kind of smoke machine changeable type polycyclic aromatic hydrocarbon detection device, as shown in Fig. 2, other features are same as Example 1, no Be with place: the external equipment of the present embodiment is external kitchen ventilator and external cooking stove.
The smoke machine is additionally provided with blast velocity control submodule, prompting submodule and fire with changeable type polycyclic aromatic hydrocarbon detection device Power control submodule, blast velocity control submodule, prompting submodule and firepower control submodule are electrically connected with computing module respectively, wind Fast control submodule and external oil smoke mechatronics, firepower control submodule are electrically connected with external stove.
Blast velocity control submodule is the wind speed adjusting that the environmental rating that can be sent according to computing module controls external kitchen ventilator The blast velocity control submodule of device progress wind speed adjusting.
Prompting submodule is that can carry out the prompt of current environment grade to user according to the environmental rating that computing module is sent Prompting submodule.
Firepower control submodule is that can carry out firepower adjusting to external stove according to the environmental rating that computing module is sent Firepower control submodule.
The smoke machine changeable type polycyclic aromatic hydrocarbon detection device can automatically adjust external according to current environment Health Category The firepower of the wind speed of kitchen ventilator and external stove, reduces the concentration of the polycyclic aromatic hydrocarbon of current environment, while call user's attention Protection.
Embodiment 11.
A kind of smoke machine changeable type polycyclic aromatic hydrocarbon detection device, as shown in figure 3, other features are same as Example 1, no Be with place: the external equipment of the utility model may be computer, or tablet computer, mobile phone, cloud database Either any one in refrigerator or a variety of combinations, specific embodiment mode according to the actual situation depending on.
The specific external equipment of the present embodiment is tablet computer.
The utility model can be by smoke machine changeable type polycyclic aromatic hydrocarbon detection device to the polycyclic of current cooking zone Density of aromatic hydrocarbon is detected, then by data sharing to external equipment, external equipment obtain carrying out after these data storage or Make other purposes.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model rather than to this is practical The limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, the common skill of this field Art personnel, which should be appreciated that, can be modified or replaced equivalently technical solutions of the utility model, practical new without departing from this The spirit and scope of type technical solution.

Claims (9)

1. a kind of smoke machine changeable type polycyclic aromatic hydrocarbon detection device, it is characterised in that: it is provided with shell, for detecting cooking area The temperature sensing module of temperature in domain, the image for obtaining generating oil smoke size to the image analysis of cooking zone oil smoke and in real time It acquisition module and carries out calculating current cooking zone according to the oil smoke size of temperature in the cooking zone of detection and cooking zone The computing module of polycyclic aromatic hydrocarbon concentration, temperature sensing module and image capture module are electrically connected with computing module respectively, and temperature passes Sense module, image capture module and computing module are assemblied in interior of shell, and shell is detachably assembled with external kitchen ventilator;
Temperature obtains temperature signal and exports obtained temperature signal as temperature to believe in temperature sensing module cooking zone It number is transmitted to computing module, image capture module acquisition cooking zone oil smoke image obtains oil smoke output signal and is transmitted to calculating Module, computing module receive respectively temperature output signal and oil smoke output signal and calculate current cooking zone polycyclic aromatic hydrocarbon it is dense Degree finally obtains polycyclic aromatic hydrocarbon concentration signal.
2. smoke machine according to claim 1 changeable type polycyclic aromatic hydrocarbon detection device, it is characterised in that: the shell is set It is equipped with USB interface, USB interface is electrically connected with computing module;
Polycyclic aromatic hydrocarbon concentration signal is transmitted to external equipment by USB interface by the computing module.
3. smoke machine according to claim 1 changeable type polycyclic aromatic hydrocarbon detection device, it is characterised in that: it is additionally provided with nothing Line transceiver module, radio receiving transmitting module are wirelessly connected with computing module and external equipment respectively;
The computing module sends polycyclic aromatic hydrocarbon concentration signal to radio receiving transmitting module, and it is dense that radio receiving transmitting module receives polycyclic aromatic hydrocarbon Degree signal is transmitted to external equipment.
4. smoke machine according to claim 3 changeable type polycyclic aromatic hydrocarbon detection device, it is characterised in that: it is described wirelessly to connect It is connected in WIFI, bluetooth, NFC or ZIGBee.
5. according to the changeable type polycyclic aromatic hydrocarbon detection device of smoke machine described in claim 2 or 4, it is characterised in that: it is described Computing module is to construct to obtain about temperature and oil smoke size and polycyclic aromatic hydrocarbon concentration in pernicious gas in oil smoke with mathematical modeling Mathematical relationship computing module.
6. smoke machine according to claim 5 changeable type polycyclic aromatic hydrocarbon detection device, it is characterised in that: the calculating mould Block be lienar for computing module, NONLINEAR CALCULATION module, exponential type computing module, power type computing module, logarithmic computing module, Neural network computing module, machine learning computing module or deep learning computing module;
The computing module is the computing module that Environmental Health grade classification is carried out according to polycyclic aromatic hydrocarbon concentration.
7. smoke machine according to claim 6 changeable type polycyclic aromatic hydrocarbon detection device, it is characterised in that: the outside is set Standby is external kitchen ventilator and external cooking stove.
8. smoke machine according to claim 7 changeable type polycyclic aromatic hydrocarbon detection device, it is characterised in that: the calculating mould Block is provided with blast velocity control submodule, prompting submodule and firepower control submodule, blast velocity control submodule, prompting submodule and Firepower control submodule is electrically connected with computing module respectively, blast velocity control submodule and external oil smoke mechatronics, firepower control Submodule is electrically connected with external stove;
The blast velocity control submodule is the wind speed adjusting that the environmental rating that can be sent according to computing module controls external kitchen ventilator The blast velocity control submodule of device progress wind speed adjusting;
The prompting submodule is that can carry out the prompt of current environment grade to user according to the environmental rating that computing module is sent Prompting submodule;
The firepower control submodule is that can carry out firepower adjusting to external stove according to the environmental rating that computing module is sent Firepower control submodule.
9. smoke machine according to claim 8 changeable type polycyclic aromatic hydrocarbon detection device, it is characterised in that: the outside is set Standby is at least one of computer, tablet computer, mobile phone, cloud database or refrigerator.
CN201822273568.7U 2018-12-29 2018-12-29 A kind of smoke machine changeable type polycyclic aromatic hydrocarbon detection device Expired - Fee Related CN209623754U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021103960A1 (en) * 2019-11-27 2021-06-03 青岛海高设计制造有限公司 Water pump control method and device and integrated cooker
WO2021103961A1 (en) * 2019-11-27 2021-06-03 青岛海高设计制造有限公司 Water pump control method and apparatus, and integrated cooker
WO2021103952A1 (en) * 2019-11-27 2021-06-03 青岛海高设计制造有限公司 Water pump control method and apparatus, and integrated stove

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021103960A1 (en) * 2019-11-27 2021-06-03 青岛海高设计制造有限公司 Water pump control method and device and integrated cooker
WO2021103961A1 (en) * 2019-11-27 2021-06-03 青岛海高设计制造有限公司 Water pump control method and apparatus, and integrated cooker
WO2021103952A1 (en) * 2019-11-27 2021-06-03 青岛海高设计制造有限公司 Water pump control method and apparatus, and integrated stove

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