CN109595655A - Automated decontamination formula kitchen ventilator - Google Patents
Automated decontamination formula kitchen ventilator Download PDFInfo
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- CN109595655A CN109595655A CN201811484061.4A CN201811484061A CN109595655A CN 109595655 A CN109595655 A CN 109595655A CN 201811484061 A CN201811484061 A CN 201811484061A CN 109595655 A CN109595655 A CN 109595655A
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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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The present invention relates to a kind of automated decontamination formula kitchen ventilators, it include: that flue gas eliminates equipment, including encapsulation casing, oil smoke sucking unit, an oil smoke separative unit, secondary oil smoke separative unit, drip unit and exhaust gas deliverying unit, encapsulation casing is for encapsulating oil smoke sucking unit, an oil smoke separative unit and secondary oil smoke separative unit；Oil smoke sucking unit is connect with an oil smoke separative unit, and an oil smoke separative unit is connect with secondary oil smoke separative unit；Secondary oil smoke separative unit is connect with drip unit and exhaust gas deliverying unit respectively；One time oil smoke separative unit includes oil network, and secondary oil smoke separative unit includes centrifugation bellows；The side on the surface of encapsulation casing is arranged in automatic cleaning equipment, when for transfiniting in the greasy dirt grade received, starting and handling the automated decontamination on the surface of encapsulation casing.By means of the invention it is possible to realize the adaptive cleaning on casing of kitchen ventilator surface.
Description
Technical field
The present invention relates to kitchen ventilator field more particularly to a kind of automated decontamination formula kitchen ventilators.
Background technique
Kitchen fume can generate injury to the respiratory system of human body, have data to show, China is dead because of respiratory disease
The person of dying accounts for the first place of all kinds of causes of death, Coal smoke fluorosis areas, and arsenic poisoning has become the endemic disease of certain areas resident.Installation oil
The purpose of smoke machine is exactly to reduce indoor pollution, therefore will select first when selecting type to siphon away oil smoke in cooking
Smoke exhaust efficiency is high.
Secondly, to select negative pressure big.Because the negative pressure of kitchen ventilator is bigger, smoking ability is stronger.Kitchen ventilator in the market
It is divided into flat, half deep type, deep type and the types such as cabinet type, they are because different " negative pressuren zones " generated of structure are also different, mostly
The negative pressure region of number depth type smoke exhaust ventilator is about 0.14 cubic metre, and smoke exhaust efficiency is 60% or so, the negative pressure of cabinet type range hood
Region is about 0.32 cubic metre, and smoke exhaust efficiency is greater than 95%.But since cabinet type range hood uses the form that three side sealing closes, so
Seem luxurious without suspension type in appearance.
Summary of the invention
In order to solve in the prior art casing of kitchen ventilator surface can not adaptive cleaning the technical issues of, the present invention provides
A kind of automated decontamination formula kitchen ventilator.
The present invention at least has following three important inventive points:
(1) background image is removed from image based on predetermined luminance threshold range, to obtain the corresponding prospect of described image
Image；
(2) each region in foreground image is ranked up from small to large according to the uniformity, the uniformity is in the top
Multiple regions are as multiple abundant in content regions；
(3) greasy dirt detection device is used, for obtaining the greasy dirt subgraph of duplicate removal processing image based on greasy dirt imaging features,
Based on the greasy dirt grade that the ratio-dependent that greasy dirt subgraph occupies duplicate removal processing image is proportional, automatic cleaning is additionally used
Equipment is connect with greasy dirt detection device, the side on the surface of encapsulation casing is arranged in, for transfiniting in the greasy dirt grade received
When, start and the automated decontamination on the surface of encapsulation casing is handled.
According to an aspect of the present invention, a kind of automated decontamination formula kitchen ventilator is provided, the kitchen ventilator includes:
Flue gas eliminates equipment, including encapsulation casing, oil smoke sucking unit, an oil smoke separative unit, the separation of secondary oil smoke
Unit, drip unit and exhaust gas deliverying unit, the encapsulation casing is for encapsulating oil smoke sucking unit, described primary
Oil smoke separative unit and the secondary oil smoke separative unit.
More specifically, in the automated decontamination formula kitchen ventilator: the oil smoke sucking unit is separated with an oil smoke
Unit connection, an oil smoke separative unit are connect with the secondary oil smoke separative unit.
More specifically, in the automated decontamination formula kitchen ventilator: the secondary oil smoke separative unit respectively with the oil droplet
Collector unit is connected with the exhaust gas deliverying unit.
More specifically, in the automated decontamination formula kitchen ventilator: an oil smoke separative unit includes oil network, described two
Secondary oil smoke separative unit includes centrifugation bellows.
More specifically, in the automated decontamination formula kitchen ventilator, further includes:
Casing capture apparatus, for carrying out shooting action towards the surface of encapsulation casing, to obtain and export on time shaft
Continuous multiframe casing surface image；First analytical equipment is arranged in the encapsulation casing, connects with the casing capture apparatus
It connects, for multiframe casing surface image continuous on receiving time axis, and is based on predetermined luminance threshold range from each frame
Background image is removed in image, to obtain the corresponding foreground image of each frame image；Second analytical equipment is arranged described
It encapsulates in casing, connect with first analytical equipment, for obtaining the uniformity of each region in the foreground image, and press
Described each region is ranked up from small to large according to the uniformity, using uniformity multiple regions in the top as multiple contents
Abundant region；Image combining apparatus is connect with second analytical equipment, corresponding for receiving each frame casing surface image
Multiple abundant in content regions, by multiple abundant in content regions of the multiframe casing surface image according to position respectively in the picture
Overlapping is set in one frame of image, with image after being overlapped；Duplicate removal processing equipment connect with described image unit equipment, is used for
Image after the overlapping is received, each superposition image vegetarian refreshments after the overlapping in image is removed, to obtain and export corresponding go
Image is handled again；Greasy dirt detection device is connect with the duplicate removal processing equipment, is gone described in the acquisition of greasy dirt imaging features for being based on
The greasy dirt subgraph of image, the oil being proportional based on the ratio-dependent that greasy dirt subgraph occupies duplicate removal processing image are handled again
Dirty grade；Automatic cleaning equipment is connect with the greasy dirt detection device, and the side on the surface of encapsulation casing is arranged in, is used for
When the greasy dirt grade received transfinites, starts and the automated decontamination on the surface of encapsulation casing is handled；Wherein, the automatic cleaning is set
It is standby to be also used to when the greasy dirt grade received does not transfinite, stop handling the automated decontamination on the surface of encapsulation casing；Wherein, base
It includes: by brightness value in the predetermined luminance threshold that background image is removed from each frame image in predetermined luminance threshold range
It is worth the pixel in range as background pixel point, Background is obtained based on each background pixel point in each frame image
Picture.
More specifically, in the automated decontamination formula kitchen ventilator: the duplicate removal processing equipment includes that data input sub- equipment
With the sub- equipment of duplicate removal processing, the data input sub- equipment and connect with the sub- equipment of the duplicate removal processing；Wherein, at the duplicate removal
It manages in equipment, the data input sub- equipment and connect with described image unit equipment, for receiving image after the overlapping；Its
In, in the duplicate removal processing equipment, the sub- equipment of duplicate removal processing is used to remove each overlapping after the overlapping in image
Pixel, to obtain and export corresponding duplicate removal processing image.
Detailed description of the invention
Embodiment of the present invention is described below with reference to attached drawing, in which:
Fig. 1 is the structural schematic diagram according to the automated decontamination formula kitchen ventilator shown in embodiment of the present invention.
Specific embodiment
The embodiment of automated decontamination formula kitchen ventilator of the invention is described in detail below with reference to accompanying drawings.
Kitchen ventilator is all furred ceiling design, and mounting height is generally in 700mm or so, and the power of fan of its mainstream model is mostly
Between 200~250W, therefore it effectively aspirates radius substantially in 400mm or so, thus model is aspirated in its blower completely in pot face
Except enclosing, such oil smoke generates nature from pot face one and will stretch everywhere.To be cleaned, from the principle of air power
It says, only highly lowering, the effective radius for allowing it to aspirate covers pot face for it, can naturally also realize 99% suction effect
Fruit, but this obviously again can not cooking, carefully dissect after it is not difficult to find that this ceiling mounting type design be exactly kitchen ventilator pumping it is sordid
Basic reason.
In order to overcome above-mentioned deficiency, the present invention has built a kind of automated decontamination formula kitchen ventilator, can effectively solve the problem that corresponding
Technical problem.
Fig. 1 is the structural schematic diagram according to the automated decontamination formula kitchen ventilator shown in embodiment of the present invention, the kitchen ventilator
Include:
Flue gas eliminates equipment, including encapsulation casing 2, oil smoke sucking unit, an oil smoke separative unit, the separation of secondary oil smoke
Unit, drip unit 3 and exhaust gas deliverying unit 1, the encapsulation casing is for encapsulating oil smoke the sucking unit, described one
Secondary oil smoke separative unit and the secondary oil smoke separative unit.
Then, continue that the specific structure of automated decontamination formula kitchen ventilator of the invention is further detailed.
In the automated decontamination formula kitchen ventilator: the oil smoke sucking unit is connect with an oil smoke separative unit,
Oil smoke separative unit is connect with the secondary oil smoke separative unit.
In the automated decontamination formula kitchen ventilator: the secondary oil smoke separative unit respectively with the drip unit and
The exhaust gas deliverying unit connection.
In the automated decontamination formula kitchen ventilator: an oil smoke separative unit includes oil network, the secondary oil smoke point
It include centrifugation bellows from unit.
In the automated decontamination formula kitchen ventilator, further includes:
Casing capture apparatus, for carrying out shooting action towards the surface of encapsulation casing, to obtain and export on time shaft
Continuous multiframe casing surface image；
First analytical equipment is arranged in the encapsulation casing, connect with the casing capture apparatus, is used for receiving time
Continuous multiframe casing surface image on axis, and Background is removed from each frame image based on predetermined luminance threshold range
Picture, to obtain the corresponding foreground image of each frame image；
Second analytical equipment is arranged in the encapsulation casing, connect with first analytical equipment, described for obtaining
The uniformity of each region in foreground image, and described each region is ranked up from small to large according to the uniformity, it will be uniform
Multiple regions in the top are spent as multiple abundant in content regions；
Image combining apparatus is connect with second analytical equipment, corresponding for receiving each frame casing surface image
Multiple abundant in content regions, by multiple abundant in content regions of the multiframe casing surface image according to position respectively in the picture
Overlapping is set in one frame of image, with image after being overlapped；
Duplicate removal processing equipment is connect with described image unit equipment, for receiving image after the overlapping, is removed described heavy
Each superposition image vegetarian refreshments in poststack image, to obtain and export corresponding duplicate removal processing image；
Greasy dirt detection device is connect with the duplicate removal processing equipment, for obtaining the duplicate removal based on greasy dirt imaging features
Handle the greasy dirt subgraph of image, the greasy dirt being proportional based on the ratio-dependent that greasy dirt subgraph occupies duplicate removal processing image
Grade；
Automatic cleaning equipment is connect with the greasy dirt detection device, and the side on the surface of encapsulation casing is arranged in, is used for
When the greasy dirt grade received transfinites, starts and the automated decontamination on the surface of encapsulation casing is handled；
Wherein, the automatic cleaning equipment is also used to when the greasy dirt grade received does not transfinite, is stopped to encapsulation casing
Surface automated decontamination processing；
Wherein, background image is removed from each frame image based on predetermined luminance threshold range includes: by brightness value
Pixel in the predetermined luminance threshold range is as background pixel point, based on each background in each frame image
Pixel obtains background image.
In the automated decontamination formula kitchen ventilator: the duplicate removal processing equipment includes that data input sub- equipment and duplicate removal processing
Sub- equipment, the data input sub- equipment and connect with the sub- equipment of the duplicate removal processing；
Wherein, in the duplicate removal processing equipment, the data input sub- equipment and connect with described image unit equipment, use
The image after receiving the overlapping；
Wherein, in the duplicate removal processing equipment, the sub- equipment of duplicate removal processing is for removing after the overlapping in image
Each superposition image vegetarian refreshments, to obtain and export corresponding duplicate removal processing image.
In the automated decontamination formula kitchen ventilator, further includes:
FPM DRAM device is connect with first analytical equipment, for the predetermined luminance threshold range to be stored in advance；
Wherein, first analytical equipment and the respective energization input of the second analytical equipment link together.
In the automated decontamination formula kitchen ventilator, further includes:
Analysis of object equipment and field processing equipment, be located at the casing capture apparatus and first analytical equipment it
Between, for handling each frame casing surface image, to obtain corresponding in-situ processing image, and by multiframe in-situ processing
Image replacement multiframe casing surface image is sent to first analytical equipment.
In the automated decontamination formula kitchen ventilator: the analysis of object equipment is based on institute for receiving casing surface image
Whether the gray value for stating each pixel in casing surface image mutates to determine whether each pixel belongs to edge
Each edge pixel point is carried out geometrical fit with the quantity of the object in the determination casing surface image by pixel, and right
Each of casing surface image object determines its multiplicity, the weight based on each object in the casing surface image
Multiplicity determines the corresponding target multiplicity of the casing surface image；
Wherein, the field processing equipment is connect with the analysis of object equipment, in the target multiplicity received
When not transfiniting, based on the target multiplicity received to the casing surface image execute the wavelet filtering processing of corresponding dimension with
Wavelet filtering image is obtained and exported, respective intensities are also executed to the wavelet filtering image based on the target multiplicity received
Gaussian filtering process to obtain and export in-situ processing image, target multiplicity is higher, pair of the wavelet filtering of execution processing
Answer dimension fewer, the respective intensities of the gaussian filtering process of execution are smaller；It is also used to when the target multiplicity received transfinites,
The gaussian filtering process of preset strength is executed to obtain and export in-situ processing image to the casing surface image.
In the automated decontamination formula kitchen ventilator: passing through 8 between the analysis of object equipment and the field processing equipment
Parallel-by-bit communication interface, 16 parallel-by-bit communication interfaces or the connection of 32 parallel-by-bit communication interfaces；
Wherein, the analysis of object equipment and the field processing equipment use the same quartz oscillation equipment, for obtaining
Obtain synchronous reference clock signal.
In addition, FPM DRAM (Fast Page Mode RAM): fast page mode memory.It is one kind in 486 period quilts
Commonly used memory (also once application is video memory).72 lines, 5V voltage, bandwidth 32bit, base speed 60ns or more.His reading
Taking the period is then to move to memory address pointed location since DRAM array the triggering of certain a line, i.e., comprising required
Data.First information is deposited after must being proved effectively to system, could be got ready for next cycle.Thus introduce
" wait state ", because CPU has to wait for memory and completes a cycle.Why FPM is widely used, and a major reason is just
Be he be kind of standard and safety product, and it is very cheap.
It, can not be adaptively clear for casing of kitchen ventilator surface in the prior art using automated decontamination formula kitchen ventilator of the invention
The technical issues of washing removes background image based on predetermined luminance threshold range from image, with obtain described image it is corresponding before
Scape image；Each region in foreground image is ranked up from small to large according to the uniformity, by the top multiple of the uniformity
Region is as multiple abundant in content regions；Importantly, using greasy dirt detection device, for being obtained based on greasy dirt imaging features
The greasy dirt subgraph of duplicate removal processing image is proportional based on the ratio-dependent that greasy dirt subgraph occupies duplicate removal processing image
Greasy dirt grade, additionally uses automatic cleaning equipment, connect with greasy dirt detection device, and the side on the surface of encapsulation casing is arranged in,
When for transfiniting in the greasy dirt grade received, starting and the automated decontamination on the surface of encapsulation casing is handled.
It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to
Limit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications all are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of variation.Therefore, anything that does not depart from the technical scheme of the invention are right according to the technical essence of the invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection
It is interior.
Claims (10)
1. a kind of automated decontamination formula kitchen ventilator, the kitchen ventilator include:
Flue gas eliminate equipment, including encapsulation casing, oil smoke sucking unit, an oil smoke separative unit, secondary oil smoke separative unit,
Drip unit and exhaust gas deliverying unit, the encapsulation casing is for encapsulating oil smoke the sucking unit, an oil smoke
Separative unit and the secondary oil smoke separative unit.
2. automated decontamination formula kitchen ventilator as described in claim 1, it is characterised in that:
Oil smoke sucking unit is connect with an oil smoke separative unit, an oil smoke separative unit with it is described secondary
The connection of oil smoke separative unit.
3. automated decontamination formula kitchen ventilator as claimed in claim 2, it is characterised in that:
The secondary oil smoke separative unit is connect with the drip unit and the exhaust gas deliverying unit respectively.
4. automated decontamination formula kitchen ventilator as claimed in claim 3, it is characterised in that:
Oil smoke separative unit includes oil network, and the secondary oil smoke separative unit includes centrifugation bellows.
5. automated decontamination formula kitchen ventilator as claimed in claim 4, which is characterized in that the kitchen ventilator further include:
Casing capture apparatus, it is continuous on time shaft to obtain and export for carrying out shooting action towards the surface of encapsulation casing
Multiframe casing surface image；
First analytical equipment is arranged in the encapsulation casing, connect with the casing capture apparatus, is used for receiving time axis
Continuous multiframe casing surface image, and background image is removed from each frame image based on predetermined luminance threshold range,
To obtain the corresponding foreground image of each frame image；
Second analytical equipment is arranged in the encapsulation casing, connect with first analytical equipment, for obtaining the prospect
The uniformity of each region in image, and described each region is ranked up from small to large according to the uniformity, the uniformity is arranged
The forward multiple regions of name are as multiple abundant in content regions；
Image combining apparatus is connect with second analytical equipment, corresponding multiple for receiving each frame casing surface image
Abundant in content region, by multiple abundant in content regions of the multiframe casing surface image according to position weight respectively in the picture
It is folded in one frame of image, with image after being overlapped；
Duplicate removal processing equipment is connect with described image unit equipment, for receiving image after the overlapping, after removing the overlapping
Each superposition image vegetarian refreshments in image, to obtain and export corresponding duplicate removal processing image；
Greasy dirt detection device is connect with the duplicate removal processing equipment, for obtaining the duplicate removal processing based on greasy dirt imaging features
The greasy dirt subgraph of image, the greasy dirt etc. being proportional based on the ratio-dependent that greasy dirt subgraph occupies duplicate removal processing image
Grade；
Automatic cleaning equipment is connect with the greasy dirt detection device, the side on the surface of encapsulation casing is arranged in, for receiving
To greasy dirt grade transfinite when, start to encapsulation casing surface automated decontamination handle；
Wherein, the automatic cleaning equipment is also used to when the greasy dirt grade received does not transfinite, stops the table to encapsulation casing
The automated decontamination in face is handled；
Wherein, background image is removed from each frame image based on predetermined luminance threshold range includes: by brightness value in institute
The pixel in predetermined luminance threshold range is stated as background pixel point, based on each background pixel in each frame image
Point obtains background image.
6. automated decontamination formula kitchen ventilator as claimed in claim 5, it is characterised in that:
The duplicate removal processing equipment includes that data input sub- equipment and the sub- equipment of duplicate removal processing, and the data input sub- equipment and institute
State the sub- equipment connection of duplicate removal processing；
Wherein, in the duplicate removal processing equipment, the data input sub- equipment and connect with described image unit equipment, for connecing
Receive image after the overlapping；
Wherein, in the duplicate removal processing equipment, the sub- equipment of duplicate removal processing is used to remove each in image after the overlapping
A superposition image vegetarian refreshments, to obtain and export corresponding duplicate removal processing image.
7. automated decontamination formula kitchen ventilator as claimed in claim 6, which is characterized in that the kitchen ventilator further include:
FPM DRAM device is connect with first analytical equipment, for the predetermined luminance threshold range to be stored in advance；
Wherein, first analytical equipment and the respective energization input of the second analytical equipment link together.
8. automated decontamination formula kitchen ventilator as claimed in claim 7, which is characterized in that the kitchen ventilator further include:
Analysis of object equipment and field processing equipment are used between the casing capture apparatus and first analytical equipment
It is handled in each frame casing surface image, to obtain corresponding in-situ processing image, and by multiframe in-situ processing image
Replacement multiframe casing surface image is sent to first analytical equipment.
9. automated decontamination formula kitchen ventilator as claimed in claim 8, it is characterised in that:
The analysis of object equipment is for receiving casing surface image, based on each pixel in the casing surface image
Whether gray value mutates to determine whether each pixel belongs to edge pixel point, and each edge pixel point is carried out geometry
It is fitted with the quantity of the object in the determination casing surface image, and true to each of casing surface image object
Its fixed multiplicity, determines the corresponding mesh of the casing surface image based on the multiplicity of each object in the casing surface image
Indicated weight multiplicity；
Wherein, the field processing equipment is connect with the analysis of object equipment, for not surpassing in the target multiplicity received
In limited time, the wavelet filtering for executing corresponding dimension to the casing surface image based on the target multiplicity received is handled to obtain
And wavelet filtering image is exported, the height of respective intensities is also executed to the wavelet filtering image based on the target multiplicity received
To obtain and export in-situ processing image, target multiplicity is higher for this filtering processing, the corresponding dimension of the wavelet filtering processing of execution
Number is fewer, and the respective intensities of the gaussian filtering process of execution are smaller；It is also used to when the target multiplicity received transfinites, to institute
It states casing surface image and executes the gaussian filtering process of preset strength to obtain and export in-situ processing image.
10. automated decontamination formula kitchen ventilator as claimed in claim 9, it is characterised in that:
It is connect between the analysis of object equipment and the field processing equipment by 8 parallel-by-bit communication interfaces, the communication of 16 parallel-by-bits
Mouth or the connection of 32 parallel-by-bit communication interfaces；
Wherein, the analysis of object equipment and the field processing equipment use the same quartz oscillation equipment, same for obtaining
The reference clock signal of step.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811484061.4A CN109595655A (en) | 2018-12-06 | 2018-12-06 | Automated decontamination formula kitchen ventilator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811484061.4A CN109595655A (en) | 2018-12-06 | 2018-12-06 | Automated decontamination formula kitchen ventilator |
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| CN109595655A true CN109595655A (en) | 2019-04-09 |
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| CN201811484061.4A Pending CN109595655A (en) | 2018-12-06 | 2018-12-06 | Automated decontamination formula kitchen ventilator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111119833A (en) * | 2020-01-12 | 2020-05-08 | 张广德 | Oil-gas separation equipment opening purification platform |
| CN111256182A (en) * | 2020-01-19 | 2020-06-09 | 珠海格力电器股份有限公司 | Oil stain detection method applied to range hood |
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| DE202013101930U1 (en) * | 2013-05-03 | 2013-05-14 | Guangdong Desu Technology Co., Ltd. | hood |
| CN107975851A (en) * | 2018-01-02 | 2018-05-01 | 广东美的厨房电器制造有限公司 | Range hood and its cleaning control method |
| CN108906681A (en) * | 2018-06-27 | 2018-11-30 | 昆明理工大学 | A kind of range hood automatic flushing device |
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2018
- 2018-12-06 CN CN201811484061.4A patent/CN109595655A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202013101930U1 (en) * | 2013-05-03 | 2013-05-14 | Guangdong Desu Technology Co., Ltd. | hood |
| CN107975851A (en) * | 2018-01-02 | 2018-05-01 | 广东美的厨房电器制造有限公司 | Range hood and its cleaning control method |
| CN108906681A (en) * | 2018-06-27 | 2018-11-30 | 昆明理工大学 | A kind of range hood automatic flushing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111119833A (en) * | 2020-01-12 | 2020-05-08 | 张广德 | Oil-gas separation equipment opening purification platform |
| CN111256182A (en) * | 2020-01-19 | 2020-06-09 | 珠海格力电器股份有限公司 | Oil stain detection method applied to range hood |
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Application publication date: 20190409 |