CN109654564A - A kind of kitchen ventilator with polycyclic aromatic hydrocarbon detection function in oil smoke - Google Patents
A kind of kitchen ventilator with polycyclic aromatic hydrocarbon detection function in oil smoke Download PDFInfo
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- CN109654564A CN109654564A CN201811633671.6A CN201811633671A CN109654564A CN 109654564 A CN109654564 A CN 109654564A CN 201811633671 A CN201811633671 A CN 201811633671A CN 109654564 A CN109654564 A CN 109654564A
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- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 title claims abstract description 139
- 239000000779 smoke Substances 0.000 title claims abstract description 93
- 238000001514 detection method Methods 0.000 title claims abstract description 84
- 238000010411 cooking Methods 0.000 claims abstract description 63
- 239000000443 aerosol Substances 0.000 claims abstract description 39
- 230000003595 spectral effect Effects 0.000 claims abstract description 32
- 238000001819 mass spectrum Methods 0.000 claims abstract description 29
- 239000002245 particle Substances 0.000 claims abstract description 19
- 239000000126 substance Substances 0.000 claims abstract description 12
- 238000001228 spectrum Methods 0.000 claims abstract description 8
- 230000000975 bioactive effect Effects 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 6
- 230000036541 health Effects 0.000 claims description 17
- 238000005070 sampling Methods 0.000 claims description 11
- 238000010183 spectrum analysis Methods 0.000 claims description 10
- 239000004215 Carbon black (E152) Substances 0.000 claims description 8
- 125000003367 polycyclic group Chemical group 0.000 claims description 7
- 238000001069 Raman spectroscopy Methods 0.000 claims description 6
- 238000000322 laser mass spectrometry Methods 0.000 claims description 6
- 230000031700 light absorption Effects 0.000 claims description 6
- 102000004190 Enzymes Human genes 0.000 claims description 5
- 108090000790 Enzymes Proteins 0.000 claims description 5
- 229930195733 hydrocarbon Natural products 0.000 claims description 5
- 150000002430 hydrocarbons Chemical class 0.000 claims description 5
- 230000002906 microbiologic effect Effects 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 3
- 238000010191 image analysis Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 6
- 239000004615 ingredient Substances 0.000 abstract description 4
- 239000011159 matrix material Substances 0.000 description 15
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 13
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 108020004414 DNA Proteins 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000013618 particulate matter Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000003708 edge detection Methods 0.000 description 4
- 238000003672 processing method Methods 0.000 description 4
- 125000003118 aryl group Chemical group 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 3
- 230000000593 degrading effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- 241001270131 Agaricus moelleri Species 0.000 description 1
- 108091003079 Bovine Serum Albumin Proteins 0.000 description 1
- 206010007269 Carcinogenicity Diseases 0.000 description 1
- 102000014914 Carrier Proteins Human genes 0.000 description 1
- 108010078791 Carrier Proteins Proteins 0.000 description 1
- 102000053602 DNA Human genes 0.000 description 1
- 240000000203 Salix gracilistyla Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000005875 antibody response Effects 0.000 description 1
- 102000036639 antigens Human genes 0.000 description 1
- 108091007433 antigens Proteins 0.000 description 1
- 229940098773 bovine serum albumin Drugs 0.000 description 1
- 230000007670 carcinogenicity Effects 0.000 description 1
- 231100000260 carcinogenicity Toxicity 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000005183 environmental health Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000004401 flow injection analysis Methods 0.000 description 1
- 230000007688 immunotoxicity Effects 0.000 description 1
- 231100000386 immunotoxicity Toxicity 0.000 description 1
- 230000001965 increasing effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000007886 mutagenicity Effects 0.000 description 1
- 231100000299 mutagenicity Toxicity 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0047—Organic compounds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Food Science & Technology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
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Abstract
A kind of kitchen ventilator with polycyclic aromatic hydrocarbon detection function in oil smoke, is provided with smoke machine main body and polycyclic aromatic hydrocarbon detection device, and polycyclic aromatic hydrocarbon detection device is electrically connected with smoke machine main body.Polycyclic aromatic hydrocarbon detection device is provided with the bio-sensing module for utilize bioactive materials to detect cooking zone polycyclic aromatic hydrocarbon in real time, the real-time spectral detection module for utilizing spectrum to detect cooking zone polycyclic aromatic hydrocarbon and for the aerosol particle object partial size of the current cooking zone of on-line measurement and the aerosol flight time mass spectrum module of chemical component, and bio-sensing module, spectral detection module and aerosol flight time mass spectrum module are electrically connected with smoke machine main body respectively.The kitchen ventilator can in real time detect cooking zone polycyclic aromatic hydrocarbon, the kitchen ventilator also has blast velocity control module, cue module and firepower control module simultaneously, according to current polycyclic aromatic hydrocarbon ingredient or the firepower of concentration automatic adjustment wind speed and external stove, making the polycyclic aromatic hydrocarbon concentration of current environment reduces, while call user's attention is protected.
Description
Technical field
The present invention relates to kitchen ventilator field, in particular to a kind of kitchen ventilator with polycyclic aromatic hydrocarbon detection function in oil smoke.
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.The kitchen ventilator of the prior art is simultaneously
It is unable to the multiring aromatic hydrocarbon substance concentration of the oil smoke in the current cooking environments of automatic identification, greatly limits the intelligence of kitchen ventilator
Development.
Therefore in view of the shortcomings of the prior art, to provide a kind of kitchen ventilator with polycyclic aromatic hydrocarbon detection function in oil smoke existing to solve
There is technical deficiency very necessary.
Summary of the invention
One of purpose of the invention is to avoid in place of the deficiencies in the prior art and provides polycyclic in a kind of band oil smoke
The kitchen ventilator of aromatic hydrocarbons detection function.Oil before the oil smoke function with polycyclic aromatic hydrocarbon detection function in oil smoke identifies in cooking environments
The polycyclic aromatic hydrocarbon of cigarette.
Above-mentioned purpose of the invention is realized by following technical measures:
A kind of kitchen ventilator with polycyclic aromatic hydrocarbon detection function in oil smoke is provided, smoke machine main body and polycyclic aromatic hydrocarbon detection are provided with
Device, polycyclic aromatic hydrocarbon detection device are electrically connected with smoke machine main body.
Preferably, above-mentioned polycyclic aromatic hydrocarbon detection device is provided in real time using bioactive materials to the polycyclic virtue of cooking zone
Bio-sensing module that hydrocarbon is detected, the spectral detection module that cooking zone polycyclic aromatic hydrocarbon is detected using spectrum in real time
With the aerosol flight time mass spectrum of aerosol particle object partial size and chemical component for the current cooking zone of on-line measurement
Module, bio-sensing module, spectral detection module and aerosol flight time mass spectrum module are electrically connected with smoke machine main body respectively.
Preferably, above-mentioned bio-sensing module is immunosensor, DNA sensor, enzyme sensor and microbiological sensor
At least one of.
Preferably, above-mentioned aerosol flight time mass spectrum module be provided with sampling of aerosol component, particle size determination component and
Mass spectral analysis component, sampling of aerosol component, particle size determination component and mass spectral analysis component are electrically connected with smoke machine main body respectively.
Preferably, above-mentioned spectral detection module is infrared spectrometer, ultraviolet light absorption spectrometer, Raman spectrometer, light splitting light
Spend at least one of instrument, rp-hplc or laser mass spectrometry instrument.
Preferably, above-mentioned smoke machine main body is provided with the control module for controlling kitchen ventilator operation, bio-sensing module, light
It is electric with control module respectively to compose detection module, aerosol flight time mass spectrum module, temperature sensing module and image capture module
Connection.
The type and concentration that bio-sensing module detects polycyclic aromatic hydrocarbon in current cooking zone obtain polycyclic aromatic hydrocarbon biology letter
Number and be sent to control module, the type and concentration that spectral detection module detects polycyclic aromatic hydrocarbon in current cooking zone obtain polycyclic
Aromatic hydrocarbons spectral signal is simultaneously sent to control module, and aerosol flight time mass spectrum module detects polycyclic aromatic hydrocarbon in current cooking zone
Type and concentration obtain polycyclic aromatic hydrocarbon mass signal and be sent to control module, control module receive respectively polycyclic aromatic hydrocarbon biology
Signal, polycyclic aromatic hydrocarbon spectral signal and polycyclic aromatic hydrocarbon mass signal are simultaneously handled, and obtain the concentration of current polycyclic aromatic hydrocarbon, and judge to work as
The health degree of preceding environment.
Preferably, above-mentioned polycyclic aromatic hydrocarbon detection device is additionally provided with the temperature sensing mould for detecting temperature in cooking zone
Block and image capture module for obtaining generating oil smoke size to the image analysis of cooking zone oil smoke and in real time, temperature sensing mould
Block and image capture module are electrically connected with control module respectively.
Preferably, above-mentioned smoke machine main body is additionally provided with blast velocity control module, and blast velocity control module is electrically connected with control module.
Preferably, above-mentioned blast velocity control module, according to the wind speed for the health degree control smoke machine main body that control module is sent
Adjuster carries out wind speed adjusting.
Preferably, above-mentioned smoke machine main body is additionally provided with cue module, and cue module is electrically connected with control module.
Preferably, above-mentioned cue module carries out current health degree to user according to the health degree that control module is sent
Prompt.
Preferably, above-mentioned smoke machine main body is additionally provided with firepower control module, and firepower control module is electrically connected with control module.
Preferably, above-mentioned firepower control module carries out firepower to external stove according to the health degree that control module is sent
It adjusts.
A kind of kitchen ventilator with polycyclic aromatic hydrocarbon detection function in oil smoke of the invention, is provided with smoke machine main body and polycyclic aromatic hydrocarbon
Detection device, polycyclic aromatic hydrocarbon detection device are electrically connected with smoke machine main body.Polycyclic aromatic hydrocarbon detection device is provided with utilizes biology in real time
Bio-sensing module that active material detects cooking zone polycyclic aromatic hydrocarbon, in real time using spectrum to the polycyclic virtue of cooking zone
The spectral detection module that hydrocarbon is detected and aerosol particle object partial size and chemistry for the current cooking zone of on-line measurement
The aerosol flight time mass spectrum module of ingredient, bio-sensing module, spectral detection module and aerosol flight time mass spectrum mould
Block is electrically connected with smoke machine main body respectively.The kitchen ventilator can in real time detect cooking zone polycyclic aromatic hydrocarbon, while the oil smoke
Machine also has blast velocity control module, cue module and firepower control module, automatic according to current polycyclic aromatic hydrocarbon ingredient or concentration
The firepower for adjusting wind speed and external stove, reduces the polycyclic aromatic hydrocarbon concentration of current environment, while call user's attention is protected.
Detailed description of the invention
Using attached drawing, the present invention is further illustrated, but the content in attached drawing is not constituted to any limit of the invention
System.
Fig. 1 is that a kind of signal with the kitchen ventilator of polycyclic aromatic hydrocarbon detection function in oil smoke of embodiment 1 transmits schematic diagram.
Fig. 2 is that a kind of signal with the kitchen ventilator of polycyclic aromatic hydrocarbon detection function in oil smoke of embodiment 2 transmits schematic diagram.
Fig. 3 is that a kind of signal with the kitchen ventilator of polycyclic aromatic hydrocarbon detection function in oil smoke of embodiment 3 transmits schematic diagram.
Specific embodiment
Technical solution of the present invention is described further with the following Examples.
Embodiment 1.
A kind of kitchen ventilator with polycyclic aromatic hydrocarbon detection function in oil smoke, as shown in Figure 1, being provided with smoke machine main body and polycyclic virtue
Hydrocarbon detection device, polycyclic aromatic hydrocarbon detection device are electrically connected with smoke machine main body.
Polycyclic aromatic hydrocarbon detection device, which is provided with, in real time detects cooking zone polycyclic aromatic hydrocarbon using bioactive materials
Bio-sensing module, utilize spectrum to detect cooking zone polycyclic aromatic hydrocarbon in real time spectral detection module and for online
The aerosol particle object partial size of current cooking zone and the aerosol flight time mass spectrum module of chemical component are measured, biology passes
Sense module, spectral detection module and aerosol flight time mass spectrum module are electrically connected with smoke machine main body respectively.
The type and concentration that bio-sensing module detects polycyclic aromatic hydrocarbon in current cooking zone obtain polycyclic aromatic hydrocarbon biology letter
Number and be sent to smoke machine main body, the type and concentration that spectral detection module detects polycyclic aromatic hydrocarbon in current cooking zone obtain polycyclic
Aromatic hydrocarbons spectral signal is simultaneously sent to smoke machine main body, and aerosol flight time mass spectrum module detects polycyclic aromatic hydrocarbon in current cooking zone
Type and concentration obtain polycyclic aromatic hydrocarbon mass signal and be sent to smoke machine main body, smoke machine main body receive respectively polycyclic aromatic hydrocarbon biology
Signal, polycyclic aromatic hydrocarbon spectral signal and polycyclic aromatic hydrocarbon mass signal and handle obtain the concentration of current polycyclic aromatic hydrocarbon.
The type and concentration that bio-sensing module detects polycyclic aromatic hydrocarbon in current cooking zone obtain polycyclic aromatic hydrocarbon biology letter
Number and be sent to control module, the type and concentration that spectral detection module detects polycyclic aromatic hydrocarbon in current cooking zone obtain polycyclic
Aromatic hydrocarbons spectral signal is simultaneously sent to control module, and aerosol flight time mass spectrum module detects polycyclic aromatic hydrocarbon in current cooking zone
Type and concentration obtain polycyclic aromatic hydrocarbon mass signal and be sent to control module, control module receive respectively polycyclic aromatic hydrocarbon biology
Signal, polycyclic aromatic hydrocarbon spectral signal and polycyclic aromatic hydrocarbon mass signal are simultaneously handled, and obtain the concentration of current polycyclic aromatic hydrocarbon, and judge to work as
The health degree of preceding environment.
Bio-sensing module of the invention is in immunosensor, DNA sensor, enzyme sensor and microbiological sensor
It is at least one.The specific bio-sensing module of the present embodiment is immunosensor.It should be noted that bio-sensing mould of the invention
Block can be immunosensor, or DNA sensor, enzyme sensor and microbiological sensor, or 4 kinds of sensors
One of or all multiple combinations.
The working principle of immunosensor of the invention is using can be with the artificial conjunction of corresponding polycyclic aromatic hydrocarbon binding specificity
At antigen protein in conjunction with corresponding polycyclic aromatic hydrocarbon, then its antibody response to small-molecule substance of needle is induced, to detect more
Cycloaromatics.It is in the prior art bovine serum albumin to most of carrier protein of polycyclic aromatic hydrocarbon.
The working principle of DNA sensor of the invention is to use fixed double chain DNA molecule layer as biological identification element, mesh
The presence of mark object (such as polycyclic aromatic hydrocarbon) will affect indicator flow injection response signal, to detect the concentration letter of object
Breath.
The working principle of enzyme sensor of the invention mainly detects degrading polycyclic aromatic hydrocarbons intermediate product (such as phenols, bigcatkin willow
Acid etc.), or directly detection identification is carried out by substrate of polycyclic aromatic hydrocarbon.
The working principle of microbiological sensor of the invention be using through screen degrading polyaromatic hydrocarbon microorganism, according to
Its luminescent substance concentration generated during degrading polycyclic aromatic hydrocarbons detects polycyclic aromatic hydrocarbon.
Aerosol flight time mass spectrum module of the invention is provided with sampling of aerosol component, particle size determination component and mass spectrum
Analytic unit, sampling of aerosol component, particle size determination component and mass spectral analysis component are electrically connected with smoke machine main body respectively.
Aerosol flight time mass spectrum module of the invention is provided with sampling of aerosol component, particle size determination component and mass spectrum
Analytic unit, sampling of aerosol component, particle size determination component and mass spectral analysis component are electrically connected with smoke machine main body respectively.
Sampling of aerosol component sample to the air of current cooking zone and sample is respectively sent to partial size
Component and mass spectral analysis component are measured, particle size determination component carries out particle size determination to sample, and mass spectral analysis component is to sampling
Sample, which is analyzed by mass spectrometry, finally obtains the type and concentration of polycyclic aromatic hydrocarbon and polycyclic aromatic hydrocarbon mass spectrum letter in current cooking zone
Number and be sent to control module.
Sampling of aerosol component of the invention is for aerodynamics lens, and working principle is that aerodynamics lens are used for
Collect the particulate matter in air, the diameter and operating pressure that adjust lens can choose the particulate matter of different-grain diameter range.
The working principle of particle size determination component of the invention is the time using laser measurement particulate matter flight fixed range,
To extrapolate the aerodynamic diameter of particulate matter according to inertia.
The working principle amount of the being ion of mass spectral analysis component of the invention detects at the time of particulate matter is ionized with arrival
Flight time between device obtains mass spectrum after corrected, according to the available particle chemical constituent information of mass spectral analysis.
Spectral detection module of the invention is infrared spectrometer, ultraviolet light absorption spectrometer, Raman spectrometer, spectrophotometric
At least one of instrument, rp-hplc or laser mass spectrometry instrument.The specific spectral detection module of the present embodiment is
Infrared spectrometer.It should be noted that spectral detection module of the invention can be infrared spectrometer, or ultraviolet light absorption light
Spectrometer, Raman spectrometer, spectrophotometer, rp-hplc or laser mass spectrometry instrument, or 6 kinds of spectrometers
One or more of combination.
Infrared spectrometer, ultraviolet light absorption spectrometer, Raman spectrometer, spectrophotometer, reversed phase high performance liquid in the present invention
Chromatography and laser mass spectrometry instrument are common knowledge, infrared spectrometer, ultraviolet light absorption spectrometer, Raman spectrometer, spectrophotometric
The method those skilled in the art of instrument, rp-hplc and laser mass spectrometry instrument detected to polycyclic aromatic hydrocarbon should know
It dawn, is not repeated herein.
The kitchen ventilator with polycyclic aromatic hydrocarbon detection function in oil smoke, is provided with smoke machine main body and polycyclic aromatic hydrocarbon detection device,
Polycyclic aromatic hydrocarbon detection device is electrically connected with smoke machine main body.Polycyclic aromatic hydrocarbon detection device is provided with utilizes bioactive materials pair in real time
Bio-sensing module that cooking zone polycyclic aromatic hydrocarbon is detected in real time detects cooking zone polycyclic aromatic hydrocarbon using spectrum
Spectral detection module and molten for the aerosol particle object partial size of the current cooking zone of on-line measurement and the gas of chemical component
Glue flight time mass spectrum module, bio-sensing module, spectral detection module and aerosol flight time mass spectrum module respectively with cigarette
The electrical connection of owner's body.The kitchen ventilator can in real time detect cooking zone polycyclic aromatic hydrocarbon.
Embodiment 2.
A kind of kitchen ventilator with polycyclic aromatic hydrocarbon detection function in oil smoke, as shown in Fig. 2, other features are same as Example 1,
The difference is that: polycyclic aromatic hydrocarbon detection device is additionally provided with temperature sensing module and use for detecting temperature in cooking zone
In the image capture module for obtaining generating oil smoke size to the image analysis of cooking zone oil smoke and in real time, temperature sensing module and figure
As acquisition module is electrically connected with control module respectively.
Temperature preferably detects kitchen tools temperature in cooking zone of the invention, or Air Temperature in detection cooking zone
Degree, oil smoke temperature or kitchen range temperature etc., specific embodiment according to the actual situation depending on.The present embodiment has in cooking zone
Detection temperature is kitchen tools temperature.
Temperature obtains temperature output signal and is transmitted to control module in temperature sensing module induction cook region, and image is adopted
Collection module acquisition cooking zone oil smoke image obtains oil smoke output signal and is transmitted to control module, and control module receives temperature respectively
The temperature output signal of sensing module and the oil smoke output signal of image capture module are spent, then to temperature output signal and oil smoke
Output signal processing obtains the polycyclic aromatic hydrocarbon concentration of current cooking zone in real time.
The processing method of image capture module are as follows:
Image capture module is handled based on the initial pictures that imaging device acquires, and initial pictures are gray scale
Figure, initial pictures collected are serialized, and the initial pictures of the initial pictures and previous frame that pass sequentially through rear frame are handled, and are obtained
To the current kitchen fume concentration at moment locating for each rear frame initial pictures.
It is handled every time by the initial pictures of rear frame and the initial pictures of previous frame, when obtaining locating for rear frame initial pictures
The step process for the current kitchen fume concentration carved is as follows:
(1) initial pictures of rear frame and the initial pictures of previous frame frame difference is carried out to handle to obtain frame difference image；
(2) denoising is carried out to frame difference image in a manner of opening operation, obtains denoising image；
(3) edge detection is carried out to denoising image, marker motion region is as initial area-of-interest；
(4) gray average calculating is carried out to initial area-of-interest and segment smoothing degree calculates, it is equal gray scale will to be met simultaneously
The region of value and smoothness requirements is as next step area-of-interest, and other regions are as interference elimination；
(5) area-of-interest extracted to step (4) counts respectively, obtains oil smoke concentration according to statistical result and assigns
Value.
In step (1), to collected initial pictures carry out frame difference operate to obtain frame difference image be specifically:
Image capture module does a later frame image with previous frame image according to the sequencing of the initial pictures received
Difference obtains the highlighted frame difference image in dynamic area.
Wherein step (2) carries out denoising using opening operation to frame difference image, denoising image is obtained, especially by as follows
Mode carries out: first carrying out etching operation to frame difference image and disconnects narrow company to eliminate noise and the tiny spine in image
It connects；Expansive working is carried out to the image after corrosion again, restores the smoke characteristics in former frame difference image.
Wherein step (3) carries out edge detection to denoising image, and marker motion region is as initial area-of-interest, specifically
Be: the edge of detection frame difference image highlight regions is simultaneously marked, using the region marked as initial area-of-interest.
Wherein step (4) is specifically to carry out gray average, the calculating of segment smoothing degree to each initial area-of-interest, is obtained
Each initial corresponding gray average of area-of-interest and gray scale smoothness, will meet the gray average being calculated simultaneously and are less than
Gray threshold, gray scale smoothness be less than gray scale smoothness threshold initial area-of-interest be used as area-of-interest, will it is other at the beginning of
Beginning area-of-interest is determined as interference region.
Wherein step (5) be specifically, for the area-of-interest that step (4) extracts, by each region of interest area image
In the gray scales of all pixels carry out read group total and obtain the gray value of each region of interest area image, then by each region of interest
The gray value of area image is summed, and oil smoke concentration assignment is obtained.
The target area of imaging device acquisition indicates that any one frame initial pictures are the imaging of corresponding region S with region S.
Initial pictures are made of m*n pixel,
The gray value of the pixel of frame initial pictures A is indicated afterwards with matrix A H, AH={ ahi,j, ahi,jFrame initial graph after representative
As the i-th row, the corresponding gray value of jth column pixel in A, i is the row where pixel, and j is the column where pixel, 1≤i≤m, 1≤j
≤n；The subregion in frame initial pictures A where the i-th row, jth column pixel is AS afterwardsi,j。
The gray value of the pixel of previous frame initial pictures B indicates with matrix B H, BH={ bhi,j, bhi,jRepresent previous frame initial graph
As the i-th row, the corresponding gray value of jth column pixel in B, the subregion in previous frame initial pictures B where the i-th row, jth column pixel is
BSi,j。
The grey scale pixel value of frame difference image D indicates with matrix D H, DH={ dhi,j}={ | ahi,j-bhi,j|, dhi,jIt represents
I-th row, the corresponding gray value of jth column pixel in frame difference image D, the subregion in frame difference image D where the i-th row, jth column pixel
For DSi,j。
In frame difference image, | dhi,j|=0 region is in black；|dhi,j| ≠ 0 region is in be highlighted.
Etching operation wherein is carried out to frame difference image in step (2), is specifically comprised the following steps:
2-11 arbitrarily defines a convolution kernel θ；
Convolution kernel θ and frame difference image are carried out convolution by 2-12；When convolution kernel θ traverses frame difference image, convolution kernel institute is extracted
The pixel grey scale minimum value p of the convolution results and pixel C being overlapped with convolution kernel center in overlay area；
The gray scale of pixel C passes through Matrix C H={ ck,qIndicate, k, q are the row serial number and column serial number of pixel C,
Obtain the convolution results minimum value pixel matrix P obtained in convolution kernel θ traversal frame difference image process, minimum value
The gray scale of pixel matrix P passes through matrix PH={ pk,qIndicate；
The corresponding imparting pixel C of the gray scale of pixel matrix P is obtained corrosion image by 2-13；
Expansive working is carried out to corrosion image in step (2), is specifically comprised the following steps:
2-21 arbitrarily defines a convolution kernel β；
Convolution kernel β and corrosion image are carried out convolution by 2-22；When convolution kernel β traverses corrosion image, convolution kernel institute is extracted
The pixel grey scale maximum value o of the convolution results and pixel R being overlapped with convolution kernel center in overlay area；
The gray scale of pixel R passes through matrix RH={ rl,vIndicate, l, v are the row serial number and column serial number of pixel R,
Obtain the convolution results maximum value pixel matrix O obtained in convolution kernel β traversal corrosion image process, maximum value
The gray scale of pixel matrix O passes through matrix OH={ ol,vIndicate；
The corresponding imparting pixel R of the gray scale of maximum value pixel matrix O is obtained expanding image, obtained expansion by 2-13
Image is to denoise image.
Wherein step (3) carries out as follows:
3-1 defines a filter Y, and filter is t*t matrix, and t is odd number；
3-2 makes filter Y traversal denoising image, calculates filter and go where the central pixel point at each position
It makes an uproar the gray values of other pixels in the gray value and center pixel vertex neighborhood of image, and filter is calculated according to formula (I)
The edge detection value X of central pixel point at each positionz, z is label when filter Y traversal denoises image,
F, g is the matrix serial number of pixel, and 1≤f≤t, 1≤g≤t, e are pixel of the filter at each position
The gray value of the denoising image at place；α is weight coefficient, corresponding with filter location；
3-3, by central pixel point edge detection value X of the filter at each positionzWith center pixel vertex neighborhood its
The gray value of its pixel subtracts each other, and judges whether the absolute value of difference is greater than threshold value Δ；
Statistics is greater than the quantity of threshold value, if quantity is more thanDetermine the central pixel point pair of filter present position
The pixel position for the denoising image answered is marginal point, and is marked；
3-4, complete denoising image of filter traversal, obtains the markd marginal point of institute, obtains preliminary area-of-interest.
T is 3.
It should be noted that the processing method of above-mentioned image capture module is only to propose one kind of processing method, it is right
The method of the image capture module output data of acquisition cooking zone is merely able to all in the processing method of other image capture modules
It can be applied to the kitchen ventilator of the invention with polycyclic aromatic hydrocarbon detection function in oil smoke, protection scope of the present invention should all be fallen into.
It should be noted that image capture module of the invention is to be examined using camera to cooking zone oil smoke size
It surveys, as long as can be realized above-mentioned function of the invention all can serve as image capture module of the invention.
Compared with Example 1, embodiment adds temperature sensing module and image capture module, the increasings of the two modules
Adding can be by calculating the polycyclic aromatic hydrocarbon concentration of current cooking zone temperature in detection cooking zone and oil smoke size.
Current polycyclic virtue can be calculated in the present embodiment by temperature in cooking zone and oil smoke size compared with Example 1
The polycyclic aromatic hydrocarbon concentration of the detection of hydrocarbon concentration and bio-sensing module, spectral detection module and aerosol flight time mass spectrum module
It makes comparisons, the time that can reduce polycyclic aromatic hydrocarbon concentration improves accuracy.
Control module of the invention is to construct to obtain about gas harmful in temperature and oil smoke size and oil smoke with mathematical modeling
The control module of the mathematical relationship of polycyclic aromatic hydrocarbon concentration in body.
The calculation formula of control 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 kitchen ventilator of the present embodiment can be counted by temperature in detection cooking zone and the oil smoke size of cooking zone
Calculation obtains the polycyclic aromatic hydrocarbon concentration of current cooking zone, and it is polycyclic can to calculate two ring polycyclic aromatic hydrocarbons in current environment, tricyclic
The concentration of aromatic hydrocarbons, four ring polycyclic aromatic hydrocarbons, five ring polycyclic aromatic hydrocarbons and six ring polycyclic aromatic hydrocarbons.
The kitchen ventilator with polycyclic aromatic hydrocarbon detection function in oil smoke, is provided with smoke machine main body and polycyclic aromatic hydrocarbon detection device,
Polycyclic aromatic hydrocarbon detection device is electrically connected with smoke machine main body.Polycyclic aromatic hydrocarbon detection device is provided with utilizes bioactive materials pair in real time
Bio-sensing module that cooking zone polycyclic aromatic hydrocarbon is detected in real time detects cooking zone polycyclic aromatic hydrocarbon using spectrum
Spectral detection module and molten for the aerosol particle object partial size of the current cooking zone of on-line measurement and the gas of chemical component
Glue flight time mass spectrum module, bio-sensing module, spectral detection module and aerosol flight time mass spectrum module respectively with cigarette
The electrical connection of owner's body.The kitchen ventilator can in real time detect cooking zone polycyclic aromatic hydrocarbon.
Embodiment 3.
A kind of kitchen ventilator with polycyclic aromatic hydrocarbon detection function in oil smoke, as shown in figure 3, other features are same as Example 2,
The difference is that: smoke machine main body is additionally provided with blast velocity control module, and blast velocity control module is electrically connected with control module.Wind speed control
The velocity regulator of molding block, the health degree control smoke machine main body sent according to control module carries out wind speed adjusting.
Smoke machine main body is additionally provided with cue module, and cue module is electrically connected with control module；Cue module, according to control mould
The health degree that block is sent carries out the prompt of current health degree to user.
Smoke machine main body is additionally provided with firepower control module, and firepower control module is electrically connected with control module；Firepower control mould
Block carries out firepower adjusting to external stove according to the health degree that control module is sent.
Compared with Example 2, the oil smoke function of the present embodiment carries out the type and concentration of the polycyclic aromatic hydrocarbon of current environment
The health degree of environment judges, while the kitchen ventilator also has blast velocity control module, cue module and firepower control module, currently
Environmental Health grade automatically adjusts the firepower of wind speed and external stove, reduces the concentration of the polycyclic aromatic hydrocarbon of current environment, simultaneously
Call user's attention protection.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than protects to the present invention
The limitation of range, although the invention is described in detail with reference to the preferred embodiments, those skilled in the art should be managed
Solution, can be with modifying or equivalently replacing the technical solution of the present invention, without departing from the essence and model of technical solution of the present invention
It encloses.
Claims (9)
1. a kind of kitchen ventilator with polycyclic aromatic hydrocarbon detection function in oil smoke, it is characterised in that: it is provided with smoke machine main body and polycyclic virtue
Hydrocarbon detection device, polycyclic aromatic hydrocarbon detection device are electrically connected with smoke machine main body；
The polycyclic aromatic hydrocarbon detection device, which is provided with, in real time detects cooking zone polycyclic aromatic hydrocarbon using bioactive materials
Bio-sensing module, utilize spectrum to detect cooking zone polycyclic aromatic hydrocarbon in real time spectral detection module and for online
The aerosol particle object partial size of current cooking zone and the aerosol flight time mass spectrum module of chemical component are measured, biology passes
Sense module, spectral detection module and aerosol flight time mass spectrum module are electrically connected with smoke machine main body respectively.
2. the kitchen ventilator according to claim 1 with polycyclic aromatic hydrocarbon detection function in oil smoke, it is characterised in that: the biology
Sensing module is at least one of immunosensor, DNA sensor, enzyme sensor and microbiological sensor.
3. the kitchen ventilator according to claim 2 with polycyclic aromatic hydrocarbon detection function in oil smoke, it is characterised in that: the gas is molten
Glue flight time mass spectrum module is provided with sampling of aerosol component, particle size determination component and mass spectral analysis component, sampling of aerosol
Component, particle size determination component and mass spectral analysis component are electrically connected with smoke machine main body respectively.
4. the kitchen ventilator according to claim 3 with polycyclic aromatic hydrocarbon detection function in oil smoke, it is characterised in that: the spectrum
Detection module is infrared spectrometer, ultraviolet light absorption spectrometer, Raman spectrometer, spectrophotometer, rp-hplc
Or at least one of laser mass spectrometry instrument.
5. the kitchen ventilator according to claim 4 with polycyclic aromatic hydrocarbon detection function in oil smoke, it is characterised in that: the smoke machine
Main body is provided with the control module for controlling kitchen ventilator operation, when bio-sensing module, spectral detection module, aerosol flight
Between mass spectrum module, temperature sensing module and image capture module be electrically connected respectively with control module；
The type and concentration that bio-sensing module detects polycyclic aromatic hydrocarbon in current cooking zone obtain polycyclic aromatic hydrocarbon bio signal simultaneously
It is sent to control module, the type and concentration that spectral detection module detects polycyclic aromatic hydrocarbon in current cooking zone obtain polycyclic aromatic hydrocarbon
Spectral signal is simultaneously sent to control module, and aerosol flight time mass spectrum module detects the kind of polycyclic aromatic hydrocarbon in current cooking zone
Class and concentration obtain polycyclic aromatic hydrocarbon mass signal and are sent to control module, and control module receives polycyclic aromatic hydrocarbon biology letter respectively
Number, polycyclic aromatic hydrocarbon spectral signal and polycyclic aromatic hydrocarbon mass signal and handle, obtain the concentration of current polycyclic aromatic hydrocarbon, and judge current
The health degree of environment.
6. the kitchen ventilator according to claim 5 with polycyclic aromatic hydrocarbon detection function in oil smoke, it is characterised in that: it is described polycyclic
Aromatic hydrocarbons detection device is additionally provided with for detecting the temperature sensing module of temperature in cooking zone and being used for cooking zone oil smoke
Image analysis and the image capture module for obtaining generating oil smoke size in real time, temperature sensing module and image capture module respectively with
Control module electrical connection.
7. the kitchen ventilator according to claim 6 with polycyclic aromatic hydrocarbon detection function in oil smoke, it is characterised in that: the smoke machine
Main body is additionally provided with blast velocity control module, and blast velocity control module is electrically connected with control module；
The velocity regulator of the blast velocity control module, the health degree control smoke machine main body sent according to control module carries out wind
Velocity modulation section.
8. the kitchen ventilator according to claim 7 with polycyclic aromatic hydrocarbon detection function in oil smoke, it is characterised in that: the smoke machine
Main body is additionally provided with cue module, and cue module is electrically connected with control module；
The cue module carries out the prompt of current health degree to user according to the health degree that control module is sent.
9. the kitchen ventilator according to claim 8 with polycyclic aromatic hydrocarbon detection function in oil smoke, it is characterised in that: the smoke machine
Main body is additionally provided with firepower control module, and firepower control module is electrically connected with control module；
The firepower control module carries out firepower adjusting to external stove according to the health degree that control module is sent.
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