CN209487160U

CN209487160U - It is a kind of can to use oil product and historical data to carry out Health Category division kitchen ventilator

Info

Publication number: CN209487160U
Application number: CN201822273387.4U
Authority: CN
Inventors: 陈小平; 司徒伟贤; 林勇进
Original assignee: Foshan Viomi Electrical Technology Co Ltd
Current assignee: Foshan Viomi Electrical Technology Co Ltd
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2019-10-11
Anticipated expiration: 2028-12-29

Abstract

It is a kind of can to use oil product and historical data to carry out Health Category division kitchen ventilator, can identify currently cook the edible oil category used, temperature, the particle concentration of cooking zone, oil smoke size, volatile organic matter concentration and polycyclic aromatic hydrocarbon concentration in cooking zone, data can be carried out simultaneously to store and available data and historical data can be compared, to improve the operational capability and operation accuracy of harmful substance detection device.The harmful substance detection device of the kitchen ventilator obtains the Health Category signal of current environmental condition, and Health Category signal is fed back to smoke machine main body by harmful substance detection device.The kitchen ventilator also has blast velocity control module, cue module and firepower control module simultaneously, and current health grade automatically adjusts the firepower of wind speed and external stove, reduces the harmful substance of current environment, while call user's attention is protected.

Description

It is a kind of can to use oil product and historical data to carry out Health Category division kitchen ventilator

Technical field

The utility model relates to kitchen ventilator field, in particular to it is a kind of can to use oil product and historical data to carrying out health The kitchen ventilator of grade classification.

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 [α] pyrene.It is right simultaneously Difference is had in the type and content for the multiring aromatic hydrocarbon substance that different edible oils generates.

The kitchen ventilator of the prior art can not oil smoke in the current cooking environments of automatic identification multiring aromatic hydrocarbon substance it is dense Degree can not distinguish edible material type used in current culinary art, such as vegetable oil or animal oil etc., can not be according to current Air quality and the edible material type currently cooked carry out kitchen ventilator adjusting, and existing kitchen ventilator can not store sum number to data According to comparison, the intelligent development of kitchen ventilator is greatly limited.

Therefore in view of the shortcomings of the prior art, provide it is a kind of can to use oil product and historical data to carry out Health Category division Kitchen ventilator it is very necessary to solve prior art deficiency.

Utility model content

One of purpose of the utility model be to avoid in place of the deficiencies in the prior art and provide it is a kind of can be to using Oil product and historical data are to the kitchen ventilator for carrying out Health Category division.The edible oil product used is currently cooked in oil smoke function identification Concentration of narmful substance in class, the current cooking environments of detection, while data can be stored and be compared, moreover it is possible to carry out kitchen ventilator It adjusts.

The above-mentioned purpose of the utility model is realized by following technical measures:

There is provided it is a kind of can to use oil product and historical data to carry out Health Category division kitchen ventilator, be provided with smoke machine master Body, the oil product identification device for the edible oil category currently cooked for identification, harmful substance detection device and for having The storage of evil substance detecting apparatus detection data, data comparison are deposited to reduce computational load and improve the data of operation accuracy Storage device, oil product identification device are electrically connected with harmful substance detection device and smoke machine main body respectively, harmful substance detection device point It is not electrically connected with data storage device and smoke machine main body.

The acquisition of oil product identification device currently cooks the edible oil category used and obtains oil product signal and send oil product signal To harmful substance detection device.

Harmful substance detection device receives the oil product signal of oil product identification device, harmful substance detection device and according to detection Cooking zone in temperature, the particle concentration of cooking zone, oil smoke size, volatile organic matter concentration and oil product signal.

Then harmful substance detection device is simultaneously by particle concentration, oil smoke size and volatile organic matter concentration and oil product Signal is sent to data storage device, and data storage device receives particle concentration, oil smoke size and volatile organic matter concentration With oil product signal and stored, data storage device also by particle concentration, oil smoke size and volatile organic matter concentration and Oil product signal and historical data compare to obtain historical signal, and historical signal is fed back to nuisance quality inspection by data storage device Survey device.

Last harmful substance detection device is by particle concentration, oil smoke size and volatile organic matter concentration and oil product signal It is compared with historical signal, then carries out that the current polycyclic aromatic hydrocarbon concentration of cooking zone is calculated and handles to obtain working as front ring Health Category signal is fed back to smoke machine main body by the Health Category signal of border situation, harmful substance detection device.

Preferably, above-mentioned data storage device is that machine learning type data storage device or deep learning formula data store Device.

Preferably, above-mentioned oil product identification device is the active oil product that edible oil category is actively entered and obtained according to user Identification device.

Preferably, above-mentioned active oil product identification device is provided with the manual input mode of user, user speech input What mode or user's picture input mode obtained edible oil category information is actively entered module, be actively entered module respectively with have Evil substance detecting apparatus and the electrical connection of smoke machine main body.

Preferably, above-mentioned oil product identification device is additionally provided with transceiver module, transceiver module respectively be actively entered module and The electrical connection of harmful substance detection device, transceiver module are also connect with the processing module signal of smoke machine main body or cloud processor.

The edible oil category information for being actively entered module reception user's input obtains oil product information signal and is sent to transmitting-receiving mould Oil product information signal is sent to processing module by block, transceiver module, and processing module receives oil product signal processing and obtains oil product signal And transceiver module is fed back to, transceiver module receives oil product signal and is sent to harmful substance detection device.

Another preferred, above-mentioned oil product identification device is to extract the edible of user's shopping according to Image Acquisition, household equipment Oil product category information or database obtain the passive type oil product identification device of edible oil category information.

Preferably, above-mentioned passive type oil product identification device is provided with the camera catching mode of kitchen ventilator, captures purchase Temperature rate of rise way of contrast obtains edible oil category information in object information mode or secondary source library and cooking zone Passive input module, passive input module are electrically connected with harmful substance detection device and smoke machine main body respectively.

Preferably, above-mentioned oil product identification device is additionally provided with transceiver module, transceiver module respectively with passive input module and The electrical connection of harmful substance detection device, transceiver module are also connect with the processing module signal of smoke machine main body or cloud processor.

Passive input module receive for capture to edible oil category information obtain oil product information signal and be sent to receipts Module is sent out, oil product information signal is sent to processing module by transceiver module, and processing module receives oil product information signal and handles to obtain Oil product signal simultaneously feeds back to transceiver module, and transceiver module receives oil product signal and is sent to harmful substance detection device.

Preferably, above-mentioned signal be connected as bluetooth connection, WIFI connection, 4G connection, 5G connection, ZIGBEE connection or NFC connection.

Preferably, above-mentioned harmful substance detection device is provided with the temperature sensing mould for detecting temperature in cooking zone Block, for obtaining generating the image capture module of oil smoke size to the image analysis of cooking zone oil smoke and in real time, work as detecting The particulate matter sensory package of particle concentration, the volatile organic matter for detecting current cooking zone in preceding cooking zone oil smoke The VOC sensor of concentration and polycyclic aromatic hydrocarbon concentration for calculating current cooking zone simultaneously obtain the calculating mould of Health Category signal Block, temperature sensing module, image capture module, particulate matter sensory package and VOC sensor are electrically connected with computing module respectively.

Temperature obtains temperature signal and using obtained temperature signal as temperature in temperature sensing module induction cook region Degree output signal is transmitted to computing module.

Image capture module acquisition cooking zone oil smoke image obtains oil smoke output signal and is transmitted to computing module.

Particulate matter sensory package acquires particle concentration in current cooking zone oil smoke and obtains Particle Concentration Signals and transmit To computing module.

The volatile organic matter concentration that VOC sensor acquires current cooking zone obtains VOC concentration signal and is transmitted to meter Calculate module.

Oil product identification device obtains oil product signal and oil product signal is sent to computing module.

Computing module receive respectively temperature output signal, oil smoke output signal, Particle Concentration Signals, VOC concentration signal and Oil product signal is simultaneously sent to data storage device.

Data storage device receive temperature output signal, oil smoke output signal, Particle Concentration Signals, VOC concentration signal and Oil product signal is simultaneously stored, and data storage device is also by temperature output signal, oil smoke output signal, Particle Concentration Signals, VOC Concentration signal and oil product signal and historical data compare to obtain historical signal, and data storage device feeds back to historical signal Computing module.

Computing module receives historical signal, then to temperature output signal, oil smoke output signal, Particle Concentration Signals, VOC The polycyclic aromatic hydrocarbon concentration that concentration signal, oil product signal and historical signal processing obtain current cooking zone in real time handles to obtain current Health Category signal is fed back to smoke machine main body by the Health Category signal of environmental aspect, computing module.

Preferably, above-mentioned particulate matter sensory package includes to be less than for detecting equivalent diameter in current cooking zone oil smoke It is less than or equal to equal to the PM2.5 sensor of 2.5 micron particles object concentration, for detecting equivalent diameter in current cooking zone oil smoke The PM10 sensor of 10 micron particles object concentration, for detecting in current cooking zone oil smoke equivalent diameter, to be less than or equal to 1.0 micro- The PM1.0 sensor of rice grain object concentration is less than or equal to 0.1 micron for detecting equivalent diameter in current cooking zone oil smoke The PM0.1 sensor of grain object concentration and it is less than or equal to 0.05 micron particles for detecting in current cooking zone oil smoke equivalent diameter The PMA sensor of object concentration, PM10 sensor, PM2.5 sensor, PM1.0 sensor, PM0.1 sensor and PMA sensor point It is not electrically connected with temperature sensing module, VOC sensor, computing module and image capture module.

PM10 sensor acquires equivalent diameter in current cooking zone oil smoke and obtains less than or equal to 10 micron particles object concentration PM10 concentration signal is simultaneously transmitted to computing module.

PM2.5 sensor acquires equivalent diameter in current cooking zone oil smoke and obtains less than or equal to 2.5 micron particles object concentration To PM2.5 concentration signal and it is transmitted to computing module.

PM1.0 sensor acquires equivalent diameter in current cooking zone oil smoke and obtains less than or equal to 1.0 micron particles object concentration To PM1.0 concentration signal and it is transmitted to computing module.

PM0.1 sensor acquires equivalent diameter in current cooking zone oil smoke and obtains less than or equal to 0.1 micron particles object concentration To PM0.1 concentration signal and it is transmitted to computing module.

PMA sensor acquires equivalent diameter in current cooking zone oil smoke and obtains less than or equal to 0.05 micron particles object concentration PMA concentration signal is simultaneously transmitted to computing module.

Preferably, above-mentioned computing module be construct to obtain with mathematical modeling about temperature in cooking zone, oil smoke size, The computing module of grain object concentration and volatile organic matter concentration and the mathematical relationship of polycyclic aromatic hydrocarbon concentration in pernicious gas in oil smoke.

Preferably, above-mentioned computing module is lienar for computing module, NONLINEAR CALCULATION module, exponential type computing module, power Type computing module, logarithmic computing module, neural network computing module, machine learning computing module or deep learning calculate Module.

Preferably, above-mentioned harmful substance detection device is additionally provided with blast velocity control module, blast velocity control module and calculating mould Block electrical connection.

Preferably, the wind for the Health Category signal control smoke machine main body that above-mentioned blast velocity control module is sent according to computing module Fast adjuster carries out wind speed adjusting.

Preferably, above-mentioned harmful substance detection device is additionally provided with cue module, and cue module is electrically connected with computing module.

Preferably, above-mentioned cue module carries out current environment etc. to user according to the Health Category signal that computing module is sent Grade prompt.

Preferably, above-mentioned harmful substance detection device is additionally provided with firepower control module, firepower control module and calculating mould Block electrical connection.

Preferably, above-mentioned firepower control module carries out fire to external stove according to the Health Category signal that computing module is sent Power is adjusted.

The utility model it is a kind of can to use oil product and historical data to carry out Health Category division kitchen ventilator, setting Have smoke machine main body, the oil product identification device of the edible oil category currently cooked for identification, harmful substance detection device and For reducing computational load to the storage of harmful substance detection device detection data, data comparison and improving operation accuracy Data storage device, oil product identification device is electrically connected with harmful substance detection device and smoke machine main body respectively, nuisance quality inspection Device is surveyed to be electrically connected with data storage device and smoke machine main body respectively.The edible oil used is currently cooked in the acquisition of oil product identification device Category obtains oil product signal and oil product signal is sent to harmful substance detection device.The kitchen ventilator can identify that current culinary art makes Temperature, the particle concentration of cooking zone, oil smoke size, volatile organic matter concentration in edible oil category, cooking zone With polycyclic aromatic hydrocarbon concentration, while data can be carried out store and available data and historical data can be compared, to improve The operational capability and operation accuracy of harmful substance detection device.The harmful substance detection device of the kitchen ventilator obtains current environment Health Category signal is fed back to smoke machine main body by the Health Category signal of situation, harmful substance detection device.The kitchen ventilator simultaneously Also there is blast velocity control module, cue module and firepower control module, current health grade automatically adjusts wind speed and external stove Firepower, reduce the harmful substance of current environment, at the same call user's attention protect.

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 be embodiment 1 it is a kind of can to use oil product and historical data to the kitchen ventilator for carrying out Health Category division Workflow schematic diagram.

Fig. 2 be embodiment 2 it is a kind of can to use oil product and historical data to the kitchen ventilator for carrying out Health Category division Workflow schematic diagram.

Fig. 3 be embodiment 5 it is a kind of can to use oil product and historical data to the kitchen ventilator for carrying out Health Category division Workflow schematic diagram.

Specific embodiment

The technical solution of the utility model is described further with the following Examples.

Embodiment 1.

It is a kind of can to use oil product and historical data to carry out Health Category division kitchen ventilator, as shown in Figure 1, its feature It is: is provided with smoke machine main body, the oil product identification device of the edible oil category currently cooked for identification, nuisance quality inspection It surveys device and is transported for reducing computational load to the storage of harmful substance detection device detection data, data comparison and improving Calculate the data storage device of exactness accurately, oil product identification device is electrically connected with harmful substance detection device and smoke machine main body respectively, has Evil substance detecting apparatus is electrically connected with data storage device and smoke machine main body respectively.

The data storage device of the utility model is that machine learning type data storage device or deep learning formula data are deposited Storage device, specific embodiment according to the actual situation depending on.The specific data storage device of the present embodiment is machine learning type Data storage device.

The effect of the data storage device of the utility model is to improve polycyclic aromatic hydrocarbon according to available data and historical data The accuracy of concentration and the operation power for reducing harmful substance detection device.

It should be noted that the data storage device of the utility model has the function of storing data, while it also can be carried out machine Device study or deep learning, the data storage device are to have storage and the data storage device of learning functionality to can be used as originally The data storage device of utility model, the data storage device for this type are the public affairs of the data storage device in industrial production Know common sense, those skilled in the art is it is to be understood that details are not described herein.

Oil product identification device is the active oil product identification device that edible oil category is actively entered and obtained according to user.

Active oil product identification device is provided with the manual input mode of user, user speech input mode or user Picture input mode acquisition edible oil category information is actively entered module, is actively entered module and detects dress with harmful substance respectively It sets and is electrically connected with smoke machine main body.

Oil product identification device is additionally provided with transceiver module, transceiver module respectively be actively entered module and harmful substance detects Device electrical connection, transceiver module are also connect with the processing module signal of smoke machine main body or cloud processor.

The signal of the utility model be connected as bluetooth connection, WIFI connection, 4G connection, 5G connection, ZIGBEE connection or NFC connection etc., specific embodiment according to the actual situation depending on.The specific signal of the present embodiment is connected as WIFI connection.

It should be noted that the oil product identification device of the utility model Image Acquisition, household equipment can extract according to The edible oil category information or database of user's shopping obtain the passive type oil product identification device of edible oil category information.

The active oil product identification device of the utility model is better than passive type oil product to the recognition accuracy of edible oil category Identification device.

It should be noted that the oil product identification device of the utility model is actively entered edible oil information with that can cross user Or the function by kitchen ventilator autonomous classification edible oil information, the oil product identification device are common knowledge, this field skill Art personnel it is to be understood that be not repeated herein.

Harmful substance detection device is provided with for detecting the temperature sensing module of temperature in cooking zone, for culinary art Region oil smoke image analysis simultaneously obtains the image capture module of generation oil smoke size, for detecting current cooking zone oil smoke in real time The VOC sensing of the particulate matter sensory package of middle particle concentration, volatile organic matter concentration for detecting current cooking zone Device and polycyclic aromatic hydrocarbon concentration for calculating current cooking zone simultaneously obtain the computing module of Health Category signal, temperature sensing mould Block, image capture module, particulate matter sensory package and VOC sensor are electrically connected with computing module respectively.

Oil product identification device obtains oil product signal and oil product signal is sent to computing module,

Particulate matter sensory package includes to be less than or equal to 2.5 microns for detecting equivalent diameter in current cooking zone oil smoke The PM2.5 sensor of particle concentration is less than or equal to 10 micron particles for detecting equivalent diameter in current cooking zone oil smoke The PM10 sensor of object concentration, for detecting in current cooking zone oil smoke equivalent diameter, to be less than or equal to 1.0 micron particles objects dense The PM1.0 sensor of degree is less than or equal to 0.1 micron particles object concentration for detecting equivalent diameter in current cooking zone oil smoke PM0.1 sensor and it is less than or equal to 0.05 micron particles object concentration for detecting equivalent diameter in current cooking zone oil smoke PMA sensor, PM10 sensor, PM2.5 sensor, PM1.0 sensor, PM0.1 sensor and PMA sensor respectively with temperature Sensing module, VOC sensor, computing module and image capture module electrical connection.

The computing module of the utility model be construct to obtain with mathematical modeling about temperature in cooking zone, oil smoke size, The calculating mould of particle concentration and volatile organic matter concentration and the mathematical relationship of polycyclic aromatic hydrocarbon concentration in pernicious gas in oil smoke Block.

The computing module of the utility model by mathematical modeling obtain, mathematical modeling be by experiment collect different temperatures, The mathematical relationship of polycyclic aromatic hydrocarbon concentration in the factors such as oil smoke size, volatile organic matter concentration and VOC concentration and oil smoke.According to not With experiment condition carry out sample detecting obtain variety classes polycyclic aromatic hydrocarbon concentration carry out analysis sort out obtain mathematical model, thus Computing module can be sentenced according to the testing conditions of temperature in cooking zone, oil smoke size, volatile organic matter concentration and VOC concentration Disconnected current variety classes polycyclic aromatic hydrocarbon concentration out.

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={ ah_i,j, ah_i,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 afterwards_i,j。

The gray value of the pixel of previous frame initial pictures B indicates with matrix B H, BH={ bh_i,j, bh_i,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 BS_i,j。

The grey scale pixel value of frame difference image D indicates with matrix D H, DH={ dh_i,j}={ | ah_i,j-bh_i,j|, dh_i,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 DS_i,j。

In frame difference image, | dh_i,j|=0 region is in black；|dh_i,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={ c_k,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={ p_k,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={ r_l,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={ o_l,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 position_z, 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 position_zWith 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 Can be applied to the utility model can to use oil product and historical data to carry out Health Category division kitchen ventilator, should all fall Enter the protection scope of the utility model.

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 the computing module of the utility model be by temperature output signal, oil smoke output signal, Particle Concentration Signals, The polycyclic aromatic hydrocarbon concentration that VOC concentration signal and oil product signal calculate current cooking zone handles to obtain the strong of current environmental condition Health level signal, the computing module are that calculator or the module for having computing function can be used as the calculating mould of the utility model Block, the computing module for this type are the common knowledge of the computing module in industrial production, and those skilled in the art should Know, details are not described herein.

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.

This can be provided with smoke machine main body, use to oil product and historical data is used to the kitchen ventilator of progress Health Category division In the oil product identification device for the edible oil category that identification is currently cooked, harmful substance detection device and for harmful substance The storage of detection device detection data, data comparison are to reduce computational load and improve the data storage dress of operation accuracy Set, oil product identification device is electrically connected with harmful substance detection device and smoke machine main body respectively, harmful substance detection device respectively with Data storage device and the electrical connection of smoke machine main body.The acquisition of oil product identification device currently cooks the edible oil category used and obtains oil product Oil product signal is simultaneously sent to harmful substance detection device by signal.The kitchen ventilator can identify the edible oil product currently cooked and used Temperature, the particle concentration of cooking zone, oil smoke size, volatile organic matter concentration and polycyclic aromatic hydrocarbon are dense in class, cooking zone Degree, while data can be carried out to store and available data and historical data can be compared, to improve harmful substance detection The operational capability and operation accuracy of device.The harmful substance detection device of the kitchen ventilator obtains the health etc. of current environmental condition Health Category signal is fed back to smoke machine main body by grade signal, harmful substance detection device.

Embodiment 2.

It is a kind of can to use oil product and historical data to carry out Health Category division kitchen ventilator, as shown in Fig. 2, other are special Levy it is same as Example 1, the difference is that: the oil product identification device of the present embodiment be mentioned according to Image Acquisition, household equipment The edible oil category information or database of taking family shopping obtain the passive type oil product identification device of edible oil category information.

Passive type oil product identification device be provided with kitchen ventilator camera catching mode, capture shopping information mode or Temperature rate of rise way of contrast obtains the passive input module of edible oil category information in person's secondary source library and cooking zone, Passive input module is electrically connected with harmful substance detection device and smoke machine main body respectively.

Oil product identification device is additionally provided with transceiver module, and transceiver module is detected with passive input module and harmful substance respectively Device electrical connection, transceiver module are also connect with the processing module signal of smoke machine main body or cloud processor.

It should be noted that the camera catching mode of the utility model is the label information for eating oil product by image recognition To obtain oil product information signal, this is common knowledge, and those skilled in the art should know details are not described herein.

It is to identify oil product information signal and connect with home shopping equipment this is public for capturing shopping information mode Know common sense, those skilled in the art should know details are not described herein.

For temperature rate of rise way of contrast in secondary source library and cooking zone, because different food materials are identical It being heated under heating condition, the rate of climb of temperature is different, therefore can first carry out the heating curve that experiment obtains different food materials, The two, which is compared, can obtain currently used oil product information signal, this is also common knowledge, and those skilled in the art should Know, details are not described herein.

Compared with Example 1, the advantages of the present embodiment, can prevent user from forgetting to input edible oil category information.

Embodiment 3.

It is a kind of can to use oil product and historical data to the kitchen ventilator for carrying out Health Category division, other features and embodiment 1 is identical, the difference is that: the calculation formula of computing module is formula (I),

Wherein C_{Polycyclic aromatic hydrocarbon}For the multiring aromatic hydrocarbon gas total concentration of cooking zone, κ is the output data of temperature sensing module, and λ is The output data of image capture module, C are the output data of particulate matter sensory package, C_PM10For the output number of PM10 sensor According to C_PM2.5For the output data of PM2.5 sensor, C_PM1.0For the output data of PM1.0 sensor, C_PM0.1For PM0.1 sensor Output data, C_PMAFor the output data of PMA sensor, C_VOCFor the output data of VOC sensor.

As κ ∈ (0 DEG C, 200 DEG C), C ∈ (0 μ g/m³,3000μg/m³), λ ∈ (0,300), C_VOC∈(0mg/m³, 5mg/m³) When, C_(2-3)=70%C_{Polycyclic aromatic hydrocarbon},C₍₄₎=20%0.C_{Polycyclic aromatic hydrocarbon},C_(5-6)=10%C_{Polycyclic aromatic hydrocarbon}。

As κ ∈ (200 DEG C, 240 DEG C), C ∈ (3000 μ g/m³,5000μg/m³), λ ∈ (300,500), C_VOC∈(5mg/m³, 10mg/m³) when, C_(2-3)=60%C_{Polycyclic aromatic hydrocarbon},C₍₄₎=25%C_{Polycyclic aromatic hydrocarbon},=C_(5-6)=15%C_{Polycyclic 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, C is 1000 μ g/m³, λ 100, C_VOCFor 1mg/m³When, respectively by κ, C, C_VOCWith λ's Data value is directly substituted into formula, counts to obtain C_{Polycyclic aromatic hydrocarbon}For 1106.6 and C_{Polycyclic aromatic hydrocarbon}Unit be pg/m³, i.e., polycyclic virtue in current environment The concentration of hydrocarbon is 1106.6pg/m³。C_(2-3)Concentration be 774.62pg/m³, C₍₄₎Concentration be 221.32pg/m³, C_(5-6)It is dense Degree is 110.66pg/m³。

The kitchen ventilator of the present embodiment can by detection temperature output signal, oil smoke output signal, PM2.5 concentration signal, PM10 concentration signal, PM1.0 concentration signal, PM0.1 concentration signal, PMA concentration signal and VOC concentration signal are calculated The polycyclic aromatic hydrocarbon concentration of current cooking zone, can calculate two ring polycyclic aromatic hydrocarbons, three ring polycyclic aromatic hydrocarbons, four in current environment The concentration of ring polycyclic aromatic hydrocarbon, five ring polycyclic aromatic hydrocarbons and six ring polycyclic aromatic hydrocarbons.

Embodiment 4.

It is a kind of can to use oil product and historical data to the kitchen ventilator for carrying out Health Category division, other features and embodiment 1 is identical, the difference is that: the calculation formula of computing module is formula (II),

C_{Polycyclic aromatic hydrocarbon}=0.05 κ^0.98+0.01λ^1.05+0.0005C^1.05+25C_VOC ^1.05+6*10^-5κλC+469.5

C=C_PM10+C_PM2.5+C_PM1.0+C_PM0.1+C_PMA

... formula (II)；

Wherein C_{Polycyclic aromatic hydrocarbon}For 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, C is the output data of particulate matter sensory package, C_PM10For the output number of PM10 sensor According to C_PM2.5For the output data of PM2.5 sensor, C_PM1.0For the output data of PM1.0 sensor, C_PM0.1For PM0.1 sensor Output data, C_PMAFor the output data of PMA sensor, C_VOCFor the output data of VOC sensor.

As κ ∈ (0 DEG C, 200 DEG C), C ∈ (0 μ g/m³,3000μg/m³), λ ∈ (0,300), C_VOC∈(0mg/m³, 5mg/m³) When, C_(2-3)=70%C_{Polycyclic aromatic hydrocarbon},C₍₄₎=20%C_{Polycyclic aromatic hydrocarbon},C_(5-6)=10%C_{Polycyclic aromatic hydrocarbon}。

As κ ∈ (200 DEG C, 240 DEG C), C ∈ (3000 μ g/m³,5000μg/m³), λ ∈ (300,500), C_VOC∈(5mg/m³, 10mg/m³) when, C_(2-3)=60%C_{Polycyclic aromatic hydrocarbon},C₍₄₎=25%C_{Polycyclic aromatic hydrocarbon},C_(5-6)=15%C_{Polycyclic aromatic hydrocarbon}。

Such as when κ is 100 DEG C, C is 1000 μ g/m³, λ 100, C_VOCFor 1mg/m³When, respectively by κ, C, C_VOCWith λ's Data value is directly substituted into formula, counts to obtain C_{Polycyclic aromatic hydrocarbon}For 1101.01 and C_{Polycyclic aromatic hydrocarbon}Unit be pg/m³, i.e., polycyclic in current environment The concentration of aromatic hydrocarbons is 1101.01pg/m³。C_(2-3)Concentration be 770.707pg/m³, C₍₄₎Concentration be 220.202pg/m³, C_(5-6)Concentration be 110.101pg/m³。

Embodiment 5.

It is a kind of can to use oil product and historical data to carry out Health Category division kitchen ventilator, as shown in figure 3, other are special Sign is identical as embodiment 3 or embodiment 4, the difference is that: the computing module of the utility model is dense also according to polycyclic aromatic hydrocarbon Degree, particle concentration and VOC concentration carry out Health Category division.

The present embodiment is to carry out Health Category division, the utility model according to GBT18883-2 Indoor Air Quality standards It can also be divided according to other quality standards, such as " environmental quality standards " of GB3059-2012, WTO.The utility model It can also be divided according to other preset environmental quality values.

The present embodiment be averaged by benzo [a] pyrene of polycyclic aromatic hydrocarbon concentration and national regulations limiting concentration be divided by carry out it is more Cycloaromatics grade classification, such as formula (III):

As 0≤ε≤0.5, then polycyclic aromatic hydrocarbon grade is determined as health.

As 0.5 < ε≤1, then polycyclic aromatic hydrocarbon grade is determined as well.

As 1 < ε≤5, then polycyclic aromatic hydrocarbon grade is determined as medium.

As 5 < ε≤10, then polycyclic aromatic hydrocarbon grade is determined as poor.

As 10 < ε, then polycyclic aromatic hydrocarbon grade is determined as seriously.

Wherein C_{Benzo [a] pyrene}It is averaged limiting concentration, and C for benzo [a] pyrene of national regulations_{Benzo [a] pyrene}=1ng/m³。

It should be noted that the polycyclic aromatic hydrocarbon grade of the utility model can also be divided according to the other values of ε, the present embodiment Only it is to provide a kind of scheme of implementation, the polycyclic aromatic hydrocarbon rank division method carried out for the polycyclic aromatic hydrocarbon concentration of other bases Fall into the protection scope of the utility model.

Polycyclic aromatic hydrocarbon grade is carried out healthy definite value to divide to obtain polycyclic aromatic hydrocarbon grade U_{Polycyclic aromatic hydrocarbon}。

When polycyclic aromatic hydrocarbon grade is health, then U_{Polycyclic aromatic hydrocarbon}It is 1.

When polycyclic aromatic hydrocarbon grade is good, then U_{Polycyclic aromatic hydrocarbon}It is 2.

When polycyclic aromatic hydrocarbon grade is medium, then U_{Polycyclic aromatic hydrocarbon}It is 3.

When polycyclic aromatic hydrocarbon grade is poor, then U_{Polycyclic aromatic hydrocarbon}It is 4.

When polycyclic aromatic hydrocarbon grade is serious, then U_{Polycyclic aromatic hydrocarbon}It is 5.

Can be as noted above it should be noted that the polycyclic aromatic hydrocarbon grade of the utility model is corresponding, it can also be according to reality Situation different polycyclic aromatic hydrocarbon grade in border corresponds to different U_{Polycyclic aromatic hydrocarbon}Value, the present embodiment only shows a kind of possibility, polycyclic for various kinds Aromatic hydrocarbons grade corresponds to U_{Polycyclic aromatic hydrocarbon}Value each falls within the protection scope of the utility model.

The computing module of the utility model is sensed according to PM10 sensor, PM2.5 sensor, PM1.0 sensor, PM0.1 The output data of device or PMA sensor and selected air quality standard carry out air quality index evaluation, such as formula (VII)；

Wherein M is current air quality index.

BM_HiFor the high-value of selected air quality standard particle concentration limit value corresponding with C.

BM_LoFor the low-value for selecting particle concentration limit value corresponding with C in air quality standard.

M_HiFor in selected air quality standard with BM_HiCorresponding air quality separate index number.

M_LoFor in selected air quality standard with BM_LoCorresponding air quality separate index number.

The present embodiment explains the utility model according to table 1, as follows:

Table 1, air quality index and PM10 and PM2.5 project concentration limit

Such as the currently practical C measured_PM2.5=425 μm/m₃, the high-value and low-value of PM2.5 concentration limit are found out, Then BM_Hi=500, BM_Lo=350.BM_HiThe corresponding air quality separate index number (IAQI) of value be 500, i.e. M_Hi=500.BM_Lo's Being worth corresponding air quality separate index number (IAQI) is 400, i.e. M_Lo=400.Then respectively by BM_Hi、BM_Lo、M_Hi、M_LoAnd C_PM2.5Generation Enter formula (VII).

Obtain M=475.

It should be noted that this implementation only has selected an air quality standard and C_PM2.5Corresponding number, but for different Air quality standard and C_PM10、C_PM2.5、C_PM1.0、C_PM0.1And C_PMAAlso within the protection scope of the present utility model.

Air quality index is carried out healthy definite value to divide to obtain particulate matter grade U_{Particulate matter}；

As 0≤M≤400, then U_{Particulate matter}=1；

As 400 < M≤600, then U_{Particulate matter}=2；

As 600 < M≤700, then U_{Particulate matter}=3；

As 700 < M≤800, then U_{Particulate matter}=4；

As 900 < M, then U_{Particulate matter}=5.

It should be noted that the air quality index of the utility model can also be divided according to the other values of M.The present embodiment Only be to provide a kind of scheme of implementation, for the PM10 sensor of other bases, PM2.5 sensor, PM1.0 sensor, The method for the particulate matter grade classification that the output data of PM0.1 sensor and PMA sensor carries out also falls into the utility model Protection scope.

It should be noted that the corresponding particulate matter grade U of the air quality index of the utility model_{Particulate matter}It can be such as above-mentioned institute Show, different air quality index can also correspond to different U according to the actual situation_{Particulate matter}Value, the present embodiment only shows one kind can Can, U is corresponded to for various kinds air quality index_{Particulate matter}Value each falls within the protection scope of the utility model.

The output data of VOC sensor is also carried out healthy definite value and divides to obtain volatility by the computing module of the utility model Organic matter grade U_VOC。

The volatile organic matter grade U of the utility model_VOCThe output data of VOC sensor is specifically subjected to not homotype The division enclosed, and corresponding healthy definite value is assigned in corresponding range.

Such as 0≤C_VOC≤0.4mg/m³When, then U_VOC=1；

Work as 0.4mg/m³< C_VOC≤0.6mg/m³When, then U_VOC=2；

Work as 0.6mg/m³< C_VOC≤0.7mg/m³When, then U_VOC=3；

Work as 0.7mg/m³< C_VOC≤0.7mg/m³When, then U_VOC=4；

Work as 0.7mg/m³< C_VOCWhen, then U_VOC=5.

The volatile organic matter grade U of the present embodiment_VOC is based in GBT18883-2002 Indoor Air Quality standards The small hourly value in the 8 of TVOC is 0.6mg/m³And divided.The utility model based on other air quality standards or its His division range will fall into the protection scope of the utility model.

It should be noted that the healthy definite value division of the output data progress of the VOC sensor of the utility model can also be according to C_VOC Other values divided.The present embodiment is only to provide a kind of scheme of implementation, for the output number according to other VOC sensors According to the volatile organic matter grade U of progress_VOCMethod also fall into the protection scope of the utility model.

The utility model has following method to Health Category U calculating:

1, computing module is by polycyclic aromatic hydrocarbon grade U_{Polycyclic aromatic hydrocarbon}, particulate matter grade U_{Particulate matter}With volatile organic matter grade U_VOCIt is right Than, the Health Category U that maximum value is current cooking zone is chosen, such as formula (VIII),

U=max (U_{Particulate matter},U_VOC, U_{Polycyclic aromatic hydrocarbon}) formula (VIII).

2, computing module is by polycyclic aromatic hydrocarbon grade U_{Polycyclic aromatic hydrocarbon}, particulate matter grade U_{Particulate matter}With volatile organic matter grade U_VOCAdduction The Health Category U of current cooking zone is obtained, such as formula (Ⅸ),

U=U_{Particulate matter}+U_VOC+U_{Polycyclic aromatic hydrocarbon}Formula (Ⅸ).

3, computing module is by polycyclic aromatic hydrocarbon grade U_{Polycyclic aromatic hydrocarbon}Multiplied by polycyclic aromatic hydrocarbon weight factor Q_{Polycyclic aromatic hydrocarbon}, particulate matter grade U_{Particulate matter} Multiplied by particulate matter weight factor Q_{Particulate matter}With volatile organic matter grade U_VOCMultiplied by volatile organic matter weight factor Q_VOCComparison, choosing It is maximized the Health Category U for current cooking zone, such as formula (Ⅹ),

U=max (U_{Particulate matter}*Q_{Particulate matter},U_VOC*Q_VOC, U_{Polycyclic aromatic hydrocarbon}*Q_{Polycyclic aromatic hydrocarbon}) formula (Ⅹ).

4, computing module is by polycyclic aromatic hydrocarbon grade U_{Polycyclic aromatic hydrocarbon}Multiplied by polycyclic aromatic hydrocarbon weight factor Q_{Polycyclic aromatic hydrocarbon}, particulate matter grade U_{Particulate matter} Multiplied by particulate matter weight factor Q_{Particulate matter}With volatile organic matter grade U_VOCMultiplied by volatile organic matter weight factor Q_VOCAdded With obtain the Health Category U of current cooking zone, such as formula (Ⅺ),

U=U_{Particulate matter}*Q_{Particulate matter}+U_VOC*Q_VOC+U_{Polycyclic aromatic hydrocarbon}*Q_{Polycyclic aromatic hydrocarbon}Formula (Ⅺ).

It is specially the first that the Health Category U of the present embodiment, which is calculated,.Such as work as U_{Polycyclic aromatic hydrocarbon}=2, U_{Particulate matter}=3, U_VOCWhen=4, The Health Category U of current cooking zone is 4.Smaller for the value of U to indicate more healthy, the value of U is bigger to indicate more unhealthy.

It should be noted that 4 kinds of methods of the utility model can select the first, root can also be selected according to the actual situation According to other three kinds, specific embodiment according to the actual situation depending on.For the Q of the third method of the utility model_{Particulate matter}For 0.6, Q_{Polycyclic aromatic hydrocarbon}It is 1.2, Q_VOCIt is 0.6, Q_{Polycyclic aromatic hydrocarbon}、Q_{Polycyclic aromatic hydrocarbon}And Q_{Particulate matter}It can be other numerical value, specific embodiment is according to reality Depending on the situation of border.For the Q of the utility model fourth method_{Particulate matter}It is 0.2, Q_{Polycyclic aromatic hydrocarbon}It is 0.6, Q_VOCIt is 0.2, Q_{Polycyclic aromatic hydrocarbon}、 Q_{Polycyclic aromatic hydrocarbon}And Q_{Particulate matter}Can be other numerical value, specific embodiment according to the actual situation depending on.

Harmful substance detection device is additionally provided with blast velocity control module, and blast velocity control module is electrically connected with computing module.

The velocity regulator for the Health Category signal control smoke machine main body that blast velocity control module is sent according to computing module into Row wind speed is adjusted.

Harmful substance detection device is additionally provided with cue module, and cue module is electrically connected with computing module.

Cue module carries out the prompt of current environment grade to user according to the Health Category signal that computing module is sent.

Harmful substance detection device is additionally provided with firepower control module, and firepower control module is electrically connected with computing module.

Firepower control module carries out firepower adjusting to external stove according to the Health Category signal that computing module is sent.

Compared with Example 1, the oil absorption system of the present embodiment can polycyclic aromatic hydrocarbon concentration to current environment, particle concentration Health Category division is carried out with VOC concentration, while harmful substance detection device also has blast velocity control module, cue module and fire Power control module, current health grade automatically adjust the wind speed of kitchen ventilator and the firepower of external stove, make the polycyclic of current environment Aromatic hydrocarbons, oil smoke, particle concentration and VOC concentration all reduce, while call user's attention is protected.

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

1. it is a kind of can to use oil product and historical data to carry out Health Category division kitchen ventilator, it is characterised in that: be provided with Smoke machine main body, the oil product identification device for the edible oil category currently cooked for identification, harmful substance detection device and use In to the storage of harmful substance detection device detection data, data comparison to reduce computational load and improve operation accuracy Data storage device, oil product identification device are electrically connected with harmful substance detection device and smoke machine main body respectively, harmful substance detection Device is electrically connected with data storage device and smoke machine main body respectively；

The acquisition of oil product identification device currently cooks the edible oil category used and obtains oil product signal and be sent to oil product signal Evil substance detecting apparatus,

Harmful substance detection device receives the oil product signal of oil product identification device, harmful substance detection device and cooking according to detection It prepares food temperature, the particle concentration of cooking zone, oil smoke size, volatile organic matter concentration and oil product signal in region,

Then harmful substance detection device is simultaneously by particle concentration, oil smoke size and volatile organic matter concentration and oil product signal It is sent to data storage device, data storage device receives particle concentration, oil smoke size and volatile organic matter concentration and oil Product signal is simultaneously stored, and data storage device is also by particle concentration, oil smoke size and volatile organic matter concentration and oil product Signal and historical data compare to obtain historical signal, and historical signal is fed back to harmful substance detection dress by data storage device It sets,

Last harmful substance detection device by particle concentration, oil smoke size and volatile organic matter concentration and oil product signal and is gone through History signal compares, and then carries out that the current polycyclic aromatic hydrocarbon concentration of cooking zone is calculated and handles to obtain current environment shape Health Category signal is fed back to smoke machine main body by the Health Category signal of condition, harmful substance detection device.

2. it is according to claim 1 can to use oil product and historical data to carry out Health Category division kitchen ventilator, Be characterized in that: the data storage device is machine learning type data storage device or deep learning formula data storage device.

3. it is according to claim 2 can to use oil product and historical data to carry out Health Category division kitchen ventilator, Be characterized in that: the oil product identification device is the active oil product identification dress that edible oil category is actively entered and obtained according to user It sets.

4. it is according to claim 3 can to use oil product and historical data to carry out Health Category division kitchen ventilator, Be characterized in that: the active oil product identification device be provided with the manual input mode of user, user speech input mode or Person user's picture input mode obtains edible oil category information and is actively entered module, be actively entered module respectively with harmful substance Detection device and the electrical connection of smoke machine main body；

The oil product identification device is additionally provided with transceiver module, transceiver module respectively be actively entered module and harmful substance detects Device electrical connection, transceiver module are also connect with the processing module signal of smoke machine main body or cloud processor；

The edible oil category information for being actively entered module reception user's input obtains oil product information signal and is sent to transceiver module, receives Oil product information signal is sent to processing module by hair module, and processing module receives oil product signal and handled to obtain to be believed about oil product The oil product signal of breath simultaneously feeds back to transceiver module, and transceiver module receives oil product signal and is sent to harmful substance detection device.

5. it is according to claim 2 can to use oil product and historical data to carry out Health Category division kitchen ventilator, Be characterized in that: the oil product identification device is the edible oil category information that user's shopping is extracted according to Image Acquisition, household equipment Or database obtains the passive type oil product identification device of edible oil category information.

6. it is according to claim 5 can to use oil product and historical data to carry out Health Category division kitchen ventilator, Be characterized in that: the passive type oil product identification device is provided with the camera catching mode of kitchen ventilator, captures shopping information Mode or secondary source library obtain the passive defeated of edible oil category information with temperature rate of rise way of contrast in cooking zone Enter module, passive input module is electrically connected with harmful substance detection device and smoke machine main body respectively；

The oil product identification device is additionally provided with transceiver module, and transceiver module is detected with passive input module and harmful substance respectively Device electrical connection, transceiver module are also connect with the processing module signal of smoke machine main body or cloud processor；

Passive input module receive for capture to edible oil category information obtain oil product information signal and be sent to transmitting-receiving mould Oil product information signal is sent to processing module by block, transceiver module, and processing module receives oil product information signal and handles to obtain oil product Signal simultaneously feeds back to transceiver module, and transceiver module receives oil product signal and is sent to harmful substance detection device.

7. according to claim 4 or 6 can to use oil product and historical data to carry out Health Category division oil smoke Machine, it is characterised in that: the signal is connected as bluetooth connection, WIFI connection, 4G connection, 5G connection, ZIGBEE connection or NFC Connection.

8. according to claim 4 or 6 can to use oil product and historical data to carry out Health Category division oil smoke Machine, it is characterised in that: the harmful substance detection device be provided with for detect 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, currently be cooked for detecting It prepares food the particulate matter sensory package of particle concentration, the volatile organic matter concentration for detecting current cooking zone in the oil smoke of region VOC sensor and polycyclic aromatic hydrocarbon concentration for calculating current cooking zone and obtain the computing module of Health Category signal, Temperature sensing module, image capture module, particulate matter sensory package and VOC sensor are electrically connected with computing module respectively；

Temperature obtains temperature signal and obtained temperature signal is defeated as temperature in temperature sensing module induction cook region Signal is transmitted to computing module out,

Image capture module acquisition cooking zone oil smoke image obtains oil smoke output signal and is transmitted to computing module,

Particulate matter sensory package acquires particle concentration in current cooking zone oil smoke and obtains Particle Concentration Signals and be transmitted to meter Module is calculated,

The volatile organic matter concentration that VOC sensor acquires current cooking zone obtains VOC concentration signal and is transmitted to calculating mould Block,

Computing module receives temperature output signal, oil smoke output signal, Particle Concentration Signals, VOC concentration signal and oil product respectively Signal is simultaneously sent to data storage device,

Data storage device receives temperature output signal, oil smoke output signal, Particle Concentration Signals, VOC concentration signal and oil product Signal is simultaneously stored, and data storage device is also by temperature output signal, oil smoke output signal, Particle Concentration Signals, VOC concentration Signal and oil product signal and historical data compare to obtain historical signal, and historical signal is fed back to calculating by data storage device Module,

Computing module receives historical signal, then to temperature output signal, oil smoke output signal, Particle Concentration Signals, VOC concentration The polycyclic aromatic hydrocarbon concentration that signal, oil product signal and historical signal processing obtain current cooking zone in real time handles to obtain current environment Health Category signal is fed back to smoke machine main body by the Health Category signal of situation, computing module.

9. it is according to claim 8 can to use oil product and historical data to carry out Health Category division kitchen ventilator, Be characterized in that: the particulate matter sensory package includes to be less than or equal to for detecting equivalent diameter in current cooking zone oil smoke The PM2.5 sensor of 2.5 micron particles object concentration, for detecting in current cooking zone oil smoke equivalent diameter, to be less than or equal to 10 micro- The PM10 sensor of rice grain object concentration is less than or equal to 1.0 microns for detecting equivalent diameter in current cooking zone oil smoke The PM1.0 sensor of grain object concentration is less than or equal to 0.1 micron particles object for detecting equivalent diameter in current cooking zone oil smoke The PM0.1 sensor of concentration and to be less than or equal to 0.05 micron particles object dense for detecting in current cooking zone oil smoke equivalent diameter The PMA sensor of degree, PM10 sensor, PM2.5 sensor, PM1.0 sensor, PM0.1 sensor and PMA sensor respectively with Temperature sensing module, VOC sensor, computing module and image capture module electrical connection；

Equivalent diameter obtains PM10 less than or equal to 10 micron particles object concentration in the current cooking zone oil smoke of PM10 sensor acquisition Concentration signal is simultaneously transmitted to computing module,

PM2.5 sensor acquires equivalent diameter in current cooking zone oil smoke and obtains less than or equal to 2.5 micron particles object concentration PM2.5 concentration signal is simultaneously transmitted to computing module,

PM1.0 sensor acquires equivalent diameter in current cooking zone oil smoke and obtains less than or equal to 1.0 micron particles object concentration PM1.0 concentration signal is simultaneously transmitted to computing module,

PM0.1 sensor acquires equivalent diameter in current cooking zone oil smoke and obtains less than or equal to 0.1 micron particles object concentration PM0.1 concentration signal is simultaneously transmitted to computing module,

Equivalent diameter obtains PMA less than or equal to 0.05 micron particles object concentration in the current cooking zone oil smoke of PMA sensor acquisition Concentration signal is simultaneously transmitted to computing module.

10. it is according to claim 9 can to use oil product and historical data to carry out Health Category division kitchen ventilator, Be characterized in that: the computing module is dense about temperature, oil smoke size, particulate matter in cooking zone to construct to obtain with mathematical modeling The computing module of degree and volatile organic matter concentration and the mathematical relationship of polycyclic aromatic hydrocarbon concentration in pernicious gas in oil smoke.

11. it is according to claim 10 can to use oil product and historical data to carry out Health Category division kitchen ventilator, It is characterized by: the computing module is lienar for computing module, NONLINEAR CALCULATION module, exponential type computing module, power type meter It calculates module, logarithmic computing module, neural network computing module, machine learning computing module or deep learning and calculates mould Block.

12. it is according to claim 11 can to use oil product and historical data to carry out Health Category division kitchen ventilator, It is characterized by: the harmful substance detection device is additionally provided with blast velocity control module, blast velocity control module and computing module electricity Connection；

The velocity regulator for the Health Category signal control smoke machine main body that the blast velocity control module is sent according to computing module into Row wind speed is adjusted.

13. it is according to claim 12 can to use oil product and historical data to carry out Health Category division kitchen ventilator, It is characterized by: the harmful substance detection device is additionally provided with cue module, cue module is electrically connected with computing module；

The cue module carries out the prompt of current environment grade to user according to the Health Category signal that computing module is sent.

14. it is according to claim 13 can to use oil product and historical data to carry out Health Category division kitchen ventilator, It is characterized by: the harmful substance detection device is additionally provided with firepower control module, firepower control module and computing module electricity Connection；

The firepower control module carries out firepower adjusting to external stove according to the Health Category signal that computing module is sent.