CN103343997A - Range hood with purifying and sterilizing functions - Google Patents
Range hood with purifying and sterilizing functions Download PDFInfo
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- CN103343997A CN103343997A CN2013102701707A CN201310270170A CN103343997A CN 103343997 A CN103343997 A CN 103343997A CN 2013102701707 A CN2013102701707 A CN 2013102701707A CN 201310270170 A CN201310270170 A CN 201310270170A CN 103343997 A CN103343997 A CN 103343997A
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Abstract
The invention discloses a range hood with purifying and sterilizing functions. The range hood comprises a box body as well as a draught fan and a smoke collecting cavity which are installed in the box body, wherein a flow mixing box is installed at the rear of the smoke collecting cavity and in the box body, and is internally provided with an ozone and plasma generator and a flow mixing device which can be taken as a purification reaction area for smoke, ozone and plasma ions, the ozone and plasma generator comprises a glass tube, a conductive electrode in the glass tube and a metal net wrapping the glass tube, the conductive electrode, the glass tube and the metal net are integrally fixed in a shell of the flow mixing box. According to the range hood, after smoke enters from the smoke collecting cavity, the smoke is purified in the flow mixing box through a series of physical corrosion and electrochemical reaction, smoke fluid with ozone and plasma is constantly disturbed for reacting in the box body of the range hood, and finally, after purification and deodorization, clean and environment-friendly smoke fluid is discharged out of the box body.
Description
Technical field
The present invention relates to a kind of range hood, but relate in particular to the range hood of a kind of purifying oil fume and sterilization.
Background technology
Edible oil can produce a large amount of volatility edible oil thermal decomposition products and the edible oil itself that partly volatilizees when the high-temperature cooking food more than 220 ℃, these mixtures by the smog that edible oil produces under hot conditions are referred to as cooking fume.The formation of oil smoke mainly is grease, the organic matter of volatilization and adds thermal decomposition or pyrolysis product.Oily temperature when kitchen fume and cooking has direct relation, because Chinese eating habit, generally all like oily temperature is heated to 200 ℃, generate main component this moment is methacrylaldehyde, has strong acid, when rusting is told fire to pot, the oil temperature is above 300 ℃, in the oil smoke except producing methacrylaldehyde, also can produce agglomerate (BEC), become in the oil smoke hazard component owing to it has reproduction toxic, carcinogenicity and mutagenicity, easily cause slow poisoning, bring out and breathe and cancer in digestive system.
In present range hood application technology, range hood is to utilize its suction oil smoke fluid effect mostly, and the various oil smoke mixed flue gas that produce in the kitchen are pumped to the outdoor cooking environment that improves the kitchen; Though disposed filter screen at cage cigarette air inlet, just played simple coarse filtration and the mechanical hazard effect of blocking internal electrical dynamic component system.With regard to fume purifier of fume, the method of the pure physics of basic employing realizes the means of physical cleaning oil smoke, but this processing mode does not just add directly being discharged in the atmosphere of processing to the oil smoke of generation in the kitchen, and these oil smoke health of contaminated environment and harmful to human seriously still.In addition, have the filter of the water of employing to be added with the drug purification method with minority and often be referred to as methods such as chemicalpurification processing, but efficient is not high and program is numerous and diverse, the sewage after the processing also can grow for the second time and pollute.So far, it is several that the oil smoke treatment technology of home and abroad mainly contains fluid inertia separation, electrostatic precipitation, filtration and washing etc.Wherein, inertial separation is that the change by airflow direction makes oil mist particles lean on inertia to separate from air-flow, and this technology devices needed is simple, and pressure drop is less, but purification efficiency is not high, only is applicable to oil smoke preliminary treatment and the occasion not high to the fume purifying effect requirements; Modes such as two-region electro-deposition or flushing two-region electric precipitation are then adopted in electrostatic precipitation, its principle is when oil smoke enters high voltage electric field, oil mist particles is charged dissolves equipment at electric field action, this technology purification efficiency height, pressure drop is less, but the pole plate of cleaning equipment is difficulty relatively, and regular maintenance is very complicated, and also has the liquid waste processing problem when adopting douche; It is when oil smoke passes through filter course that filtration then has filter cloth filtration, fiber filter etc., its principle, be removed by effects such as power captures, and this technology purification efficiency height, reliable, pressure drop is big, but the protective effect time of individual layer is short; Washing has Wen's scrubbing tower, spray column etc., it is by the gas-liquid contact oil smoke to be shifted to liquid phase from gas phase, according to the character of cleaning solution, can remove the oil smoke smell simultaneously, but this technology is low to the smoke particle thing purification efficiency of submicron order, and has the handling problem of cleaning solution.The product that has trouble is installed and heat loss big, some product smoke extract rate height, but the actual not solution of purifying problem, oil smoke still in the atmosphere pollution space, subtle the daily life environment that endangers people.To adopting chemical cleaning method oil smoke technology to use, the difficult problem that the existence of final compound is high with being treated as secondary pollution and processing cost Just because of this, just causes these purification techniques to promote difficulty and maybe can't promote, and rests on the present situation of literal and design substantially.
Summary of the invention
Technical problem to be solved by this invention is, the range hood of a kind of effectively purifying oil fume and sterilization is provided.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of purification sterilization type range hood comprises casing and is installed on blower fan and the smoke collecting chamber of casing, at the rear of described smoke collecting chamber and be positioned at box house the mixed flow case is installed, is provided with O in the described mixed flow case
3With plasma generator with can be used as oil smoke and O
3And plasma purifies the flow mixing device of reaction interval, described O
3Comprise glass tube with plasma generator, be located at the conductive electrode in the described glass tube and be wrapped in the outer wire netting of described glass tube, described conductive electrode, glass tube and wire netting overall fixed are in the housing of described mixed flow case.
As improvement of the technical scheme, described wire netting is provided with the bundle hoop that is connected with conductive lead wire, described glass tube two ends are individually fixed in an insulation porcelain seat, described insulation porcelain seat is provided with fixing hole, described conductive electrode passes described insulation porcelain seat fixing hole and is installed in the described glass tube, and described insulation porcelain seat is fixed in the housing of described mixed flow case.
As improvement of the technical scheme, described flow mixing device comprises at least one group of mixed flow assembly, described mixed flow assembly comprises last mesh plate and the following mesh plate that is provided with mesh, the mesh of described upward mesh plate and the mesh of following mesh plate are crisscross arranged up and down, the described mesh plate of going up fastens mutually with following mesh plate, and is fixed in the housing of described mixed flow case.
As improvement of the technical scheme, described flow mixing device comprises two groups of mixed flow assemblies.
As improvement of the technical scheme, the air inlet place of described smoke collecting chamber is equipped with cold plate, and described cold plate upper end is articulated in smoke collecting chamber, oily net in also being provided with in the described smoke collecting chamber, oily net is located at described cold plate rear in described, and described mixed flow case is positioned at described oil net rear.
As improvement of the technical scheme, described cold plate is the folding shape, and the last folder of described cold plate is block tabula rasa, and following folder is provided with bar hole side by side.
As improvement of the technical scheme, the lubricating cup that the lower end of described smoke collecting chamber hangs tag and communicates with cabinets cavity.
As improvement of the technical scheme, the shell of described smoke collecting chamber top is provided with control panel, and described control panel is equipped with the switch module of control range hood work.
As improvement of the technical scheme, described range hood also comprises the O that is located in the casing
3With carbon monoxide monitoring probe, and the control box assembly that is installed on cabinet shell, described control box assembly comprises central control unit, O
3With plasma output unit, CO and O
3Monitoring unit, described O
3With plasma output unit and described O
3Electrically connect described CO and O with plasma generator
3Monitoring unit and described O
3Electrically connect described CO and O with carbon monoxide monitoring probe
3Monitoring unit is monitored CO and the O of described range hood box house
3Concentration is as the O that monitors the range hood box house
3When concentration approached limit row index, described central control unit was controlled described O
3Adjust O with the plasma output unit
3With level and the frequency of plasma generator, thereby reduce O
3With isoionic output generating capacity; When the CO that monitors the range hood box house approached limit row index, described central control unit was controlled described O
3Adjust O with the plasma output unit
3With level and the frequency of plasma generator, thereby increase O
3With isoionic output generating capacity.
As improvement of the technical scheme, described control box assembly also comprises the bistable alarm unit that exceeds standard, the CO in the range hood casing and O
3When limit row was out of control, the described bistable alarm unit that exceeds standard sent warning.
Implement the embodiment of the invention, have following beneficial effect:
Adopt purification sterilization type range hood of the present invention, effective purifying oil fume, remove the waste gas, poison gas, the flue gas peculiar smell that produce in the kitchen and also give off clean gas in the Nature after sterilization, the degradation reaction, reduce kitchen exhaust gas and peculiar smell to the range hood of kitchen and environmental pollution.Protection people's physical and mental health; its operation and maintenance are convenient; simple in structure, the bodily form is little, non-secondary pollution; the flue gas that purifies after degrading can surpass domestic and international discharge standard to the flue gas management and control fully; simultaneously also range hood is detained oil stain and residual organic granular plays sterilization, stops that fume exhauster for kitchen goes mouldy and bacteria breed.
Description of drawings
Fig. 1 is a kind of sectional structure schematic diagram that purifies sterilization type range hood embodiment of the present invention;
Fig. 2 is middle O embodiment illustrated in fig. 1
3Structural representation with plasma generator and mixed flow assembly;
Fig. 3 is O shown in Figure 2
3Explosive view with plasma generator and mixed flow assembly;
Fig. 4 is the O among Fig. 3
3Schematic diagram with its glass bar of plasma generator and wire netting fractionation;
Fig. 5 is the local enlarged diagram of regional A among Fig. 3;
Fig. 6 is a kind of broken section structural representation that purifies sterilization type range hood embodiment of the present invention;
To be that the present invention is a kind of purify the fluid operating mode schematic diagram that sterilization type range hood embodiment purifies sterilization to Fig. 7;
Fig. 8 is a kind of electric control principle block diagram that purifies sterilization type range hood embodiment of the present invention.
The specific embodiment
Further introduce the specific embodiment of the present invention below in conjunction with accompanying drawing.
A kind of purification sterilization of the present invention type range hood embodiment, as shown in Figure 1 and Figure 2, comprise casing 10, with the blower fan 70 that is installed on casing 10 and smoke collecting chamber 20, smoke collecting chamber 20 is positioned at the following front portion of casing 10, at the rear of smoke collecting chamber 20 and be positioned at casing 10 inside mixed flow case 30 is installed, be provided with O in the mixed flow case 30
3With plasma generator 31 with can be used as oil smoke and O
3And plasma purifies the flow mixing device 32 of reaction interval.
In example of the present invention, smoke collecting chamber 20 rears are provided with mixed flow case 30, are provided with O in the mixed flow case 30
3With plasma generator 31 and flow mixing device 32, after oil smoke enters from smoke collecting chamber 20, by a series of physical impacts, electro-chemical reaction it is purified in mixed flow case 30, oil smoke fluid inclusion O
3With plasma in cigarette box body inside constantly by wake turbulence, reaction, finally with purify, the clean fluid that goes to distinguish the flavor of flows out from casing.
Further, as Fig. 2, Fig. 3, O shown in Figure 4
3Comprise the conductive electrode 312 in glass tube 311, the glass tube 311 and be wrapped in glass tube 311 wire netting 313 outward that described conductive electrode 312, glass tube 311 and wire netting 313 overall fixed are in the housing 301 of described mixed flow case 30 with plasma generator 31.Wire netting 313 can be the aluminium net, also can be the stainless steel mesh grid.Preferably, described wire netting 313 is provided with pricks hoop 314, pricks hoop 314 and is preferably stainless steel bundle hoop, and it is fixing with the conductive lead wire 3142 of tape insulation layer with CARBURIZING FURNACE FOR STAINLESS FASTENER assembly (containing nut) 3141 to prick hoop 314, as shown in Figure 5.Described glass tube 311 two ends are individually fixed in an insulation porcelain seat 315, described insulation porcelain seat 315 is provided with fixing hole, described conductive electrode passes described insulation porcelain seat fixing hole and is installed in the described glass tube 311, described insulation porcelain seat 315 is fixed in the housing 301 of described mixed flow case 30, and available screw lock onto the housing 301 of mixed flow case 30.At this O
3With 31 kinds of plasma generators, conductive electrode 312 is as high-voltage anode, and wire netting 313 is as negative electrode.
When from adding discharge electric field when obtaining the electronics of energy and oxygen molecule generation inelastic collision, electronics is transferred to oxygen molecule to energy.After gas is energized, produce electron avalanche, a considerable amount of space charges have appearred.Space charge focuses on the snowslide head, forms intrinsic electrical field, forms very high internal field with extra electric field stack back again, and electronics is further accelerated.The space charge that electronics forms is faster than electron transfer speed, thereby has formed two electric field wave that come and go.Such conductive channel can pass through discharging gap very fast, forms the pulse micro discharge of a large amount of fine shapes, just as the streamer-discahrge of spark discharge process they very evenly, stable.In the ozone generating technology, ozone gas is the macro-energy electronics that just can obtain high-energy-density by the electric-field intensity of further raising high-frequency discharge that has only that produces under hyperbar (high gas concentration) condition.
When reduced electric field intensity reaches 100Td, have and decompose the oxygen molecule energy (occupancy volume of 〉=8.4eV) electronics is about 59% less than 18% energy that occupies with electronics of ozone decomposition energy (2-8.4eV); When reduced electric field intensity reached 350Td, the occupancy volume with the electronics that decomposes the oxygen molecule energy was increased to 48% occupancy volume that can be used for the electronics of ozone decomposition and drops to about 43%.The highfield discharge is conducive to produce high-concentrated ozone, has suppressed the generation of ozonolysis reactions significantly.
Oxygen molecule decomposition, dissociation ionization process and ozone molecule form and decomposable process is:
(1)O
2((X
3Σg
-)+e→O
2(A
3Σu
+)+e→O(
3P)+O(
3P)+e
(2)O
2((X
3Σg
-)+e→O
2(B
3Σu
+)+e→O(
3P)+O(
1D)+e
(3)O
2((X
3Σg
-)+e→O
2(A
2IIu)+e→O(
3P)+O
+(
4S
0)+2e
(4)O+O
2+M→O
3+M→O
3+M
(5)O
3(
3A
2+
1A
2)+e→O
2(a)+O(
1D)
Transition takes place after by Electron Excitation in oxygen molecule, and its energy level transition is activated to O from ground state
2(A
3Σ g
+), O
2(C
3Δ u), O
2(C
1Σ u
-) state, when its vertical drive energy is 6.1eV, just might make oxygen molecule decomposition, dissociation ionization, decomposition adhere to into O (
3P), O (
1D), O
-(
2P
0), O
+(
4S
0), O
+(
1S
0) etc.The big young pathbreaker that electronics is obtained energy from extra electric field determines speed that decomposition, dissociation ionization, the decomposition of oxygen molecule are adhered to and the size of concentration of ozone.In embodiments of the present invention, O
3With plasma generator 31 the insides, conductive electrode 312 is as high-voltage anode, and wire netting 313 is adjusted its level and frequency as negative electrode, and it can constitute a highfield, can adapt to and satisfy to produce abundant O
3With isoionic needs.
Further, described flow mixing device 32 comprises at least one group of mixed flow assembly 321, described mixed flow assembly 321 comprises last mesh plate 322 and the following mesh plate 323 that is provided with mesh, the mesh of described upward mesh plate and the mesh of following mesh plate are crisscross arranged up and down, so that the mesh on last mesh plate 322 and the following mesh plate 323 is not up and down vertically to it, but not straight-through even dislocation state, and the distance between last mesh plate 322 and the following mesh plate 323 is preferably 8-25mm, reacts with better oil smoke and ozone, the abundant mixed flow of plasma passed through of must making.The described mesh plate 322 of going up fastens mutually with following mesh plate 323, and is fixed in the housing 301 of described mixed flow case 30.Mesh on last mesh plate and the following mesh plate can be toroidal, strip hole.Preferably, flow mixing device 32 comprises the spacing 10-30mm between two groups of mixed flow assemblies 321 and 320, the two groups of mixed flow assemblies, so that more suitable purification reaction interval to be provided.Certainly, the mixed flow assembly of flow mixing device 32 is not limited to one and two, also can several similar assemblies stacks be set according to the design needs, and assembly is fastened on the housing 301 of mixed flow case 30, O by screw
3Be with plasma generator 31 and flow mixing device 32 and maintain easily dismountable structure.The mixed flow assembly can play as oil smoke and O
3Plasma mixes and purifies the effect in oxidation reaction interval.
Preferably, the air inlet place of smoke collecting chamber 20 is equipped with cold plate 40, can be used for oil smoke fluid flow guiding and separating part oil smoke, and cold plate 40 upper ends are articulated in smoke collecting chamber 20, thereby make cold plate 40 to open in rotary manner, maintain easily the mixed flow case 30 at smoke collecting chamber 20 rears.And cold plate 40 is the folding shape of up and down folding, and folder 41 be block level and smooth tabula rasa it on, is convenient to collecting flue the inside oil stain that produces and grit, and does not drop in the cooker of user's use, and oil smoke is carried out water conservancy diversion.The following folder 42 of cold plate 40 is provided with air intake bar hole 421 side by side, is used for smoke collecting chamber 20 toward casing 10 inner air intakes, as shown in Figure 6.
Preferably, smoke collecting chamber 20 inside also are provided with interior oily net 50, and interior oily net 50 is located at cold plate 40 rears, and mixed flow case 30 the place aheads can be filtered the oil smoke of being come by cold plate 40 water conservancy diversion and the grease in the oil smoke fluid be separated.The lower end of smoke collecting chamber 20 hangs tag for the lubricating cup 60 of collection and purification and isolated grease, and cocoa pulls out cleaning at any time, can insert after having cleared up hang tag fixing, both fixing reliable, easy for installation again.
The air outlet 71 of the blower fan 70 of range hood inside is located at the block of casing 10.The shell of smoke collecting chamber 20 tops is provided with control panel 80, and control panel 80 is equipped with the switch module 81 of control range hood work.Also be provided with O in the range hood casing 10
3With carbon monoxide monitoring probe 90, cabinet shell is equipped with control box assembly 900, and in the present embodiment, the control box assembly is installed on the block 101 of casing 10.Control box assembly 900 comprises central control unit, O
3With plasma output unit, CO and O
3Monitoring unit, described central control unit and control panel 80 and switch module wherein 81 electrically connect, and can control the O of this range hood
3With plasma output unit, CO and O
3Monitoring unit and other all circuit, described O
3With plasma output unit and described O
3Electrically connect described CO and O with plasma generator 31
3Monitoring unit and described O
3Electrically connect with carbon monoxide monitoring probe 90, described central control unit can be taked the APC control system.Described CO and O
3Monitoring unit is monitored CO and the O of described range hood box house
3Concentration is as the O that monitors the range hood box house
3When concentration approached limit row index, described central control unit was controlled described O
3Adjust O with the plasma output unit
3With level and the frequency of plasma generator, thereby reduce O
3With isoionic output generating capacity; When the CO that monitors the range hood box house approached limit row index, described central control unit was controlled described O
3Adjust O with the plasma output unit
3With level and the frequency of plasma generator, thereby increase O
3With isoionic output generating capacity.Further, it also comprises the bistable alarm unit that exceeds standard, the CO in the range hood casing and O
3When limit row was out of control, the described bistable alarm unit that exceeds standard sent warning, informs that the user handles the fault that exceeds standard, and removes the dangerous condition.
In addition, control box assembly 900 also comprises other whole circuit of range hood of the present invention, as power converter, interpersonal dialogue control module, the illumination display unit, the fluid dynamic unit, Fig. 8 purifies the electric control principle block diagram of sterilization type range hood embodiment for the present invention, wherein power converter is connected with external power source, the human-machine conversation control unit can adopt existing man-machine control system to carry out man-machine control, the illumination display unit can be connected in the display screen of control panel, also can electrically connect at range hood casing installation lighting device and with the illumination display unit, show so that illumination to be provided.The fluid dynamic unit, namely the blower fan power unit is then controlled the power of blower fan by central control unit, thereby regulates and control physics grease separator spare (mainly referring to cold plate 40 and interior oily net 50) and O
3With the purification Disinfection Effect of plasma purification reative cell (being mixed flow case 30), last, discharge from the air outlet 71 of blower fan 70 through the environmental protection fluid after purifying.
In embodiments of the present invention, O
3Pass through O with plasma generator 31
3Plasma output circuit system output appropriate voltage and the good O of FREQUENCY CONTROL
3With plasma concentration (the electric control principle block diagram as shown in Figure 8).Utilize O
3Chemical property with strong oxidizing force characterizes its oxidizing intensity with oxidation-reduction potential E:
E in the formula
0Oxidation-reduction potential for standard state (25 ℃); R is gas constant; T is absolute temperature, and n is the gas electron concentration; F is Faraday constant; Co
x, C
RedBe respectively the molar concentration of oxide, reduzate.O
3Oxidability very high, its oxidizing force, can be handled with it with the not tractable many materials of other oxidant far above other oxidant usually a little less than fluorine.O
3The plasma gaseous mixture mixes with the oil smoke fluid, causes the series chain reaction, and harmful substance CO is oxidized to carbon dioxide and oxygen, and (its chemical equation is: O
3+ CO=CO
2+ O
2), water or organic salt, do not have secondary pollution.Suitable concn O
3Can also be used for material surface modifying, microelectronics technology and pernicious gas decomposition etc.In the cooking food process the sharp aroma flue gas that often produces, contain in its molecular structure-SH more ,=S ,-NH2 ,=NH ,-OH ,-radical ion groups such as CHO, O
3Very easily cut off its chemical bond key and remove smell with plasma.O
3Plasma has strong sterilization idiocratic, O
3When contacting with cell membrane with plasma, can destroy the function that has the enzyme on the film, the selection permeability of film is degenerated, and then make the damaged membrane wound impel its death, therefore, for agglomerate (BEC) substance macromolecule glue protozoa etc., it has the broad spectrum activity bactericidal action, and the separator of bacterium behind fume purifying grown and procreation.O
3Suspended particulate with tens times of the adsorbable own wts of plasma makes it lean on the own wt freely falling body.O
3Have the grease of preventing fouling characteristic with plasma, separate that grease class mixture is difficult for conjunctiva and with gravity along sliding in the lubricating cup under the wall of flue chamber, reduce the grease deposition and solidify the trouble that can't remove, prolong cigarette machine service life and service efficiency.Because O
3Be in the gas ionization state with plasma in cigarette machine runner, its function radiation areas can not produce the dead angle, and purification, sterilization, chain reaction are very thorough.
In embodiments of the present invention, O
3Be assemblied in openable cold plate 40 and dismountable interior oily net 50 back with plasma generator 31 and flow mixing device 32, and its structure also is to maintain easily removable structure; The oil smoke fluid enters interior oily net 50 filtrations after hanging oil through cold plate 40 water conservancy diversion, separating part oil smoke, again through O
3With plasma generator 31 and flow mixing device 32 mixed flows, make 98% oil smoke be imported into lubricating cup 60 in this interval purification, separation back by a series of physical impacts, electro-chemical reaction; Residual oil smoke fluid inclusion O
3With plasma cigarette machine inside, blower fan inside constantly by wake turbulence, reaction; Finally discharge from air outlet with 99%-100% purification, the clean fluid that goes to distinguish the flavor of; Purify fluids for sterilization operating mode schematic diagram as shown in Figure 7.
Above disclosed is a kind of preferred embodiment of the present invention only, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (10)
1. one kind purifies sterilization type range hood, it is characterized in that: comprise casing and be installed on blower fan and the smoke collecting chamber of casing, at the rear of described smoke collecting chamber and be positioned at box house the mixed flow case is installed, be provided with O in the described mixed flow case
3With plasma generator with can be used as oil smoke and O
3And plasma purifies the flow mixing device of reaction interval, described O
3Comprise glass tube with plasma generator, be located at the conductive electrode in the described glass tube and be wrapped in the outer wire netting of described glass tube, described conductive electrode, glass tube and wire netting overall fixed are in the housing of described mixed flow case.
2. purification sterilization type range hood as claimed in claim 1, it is characterized in that: described wire netting is provided with the bundle hoop that is connected with conductive lead wire, described glass tube two ends are individually fixed in an insulation porcelain seat, described insulation porcelain seat is provided with fixing hole, described conductive electrode passes described insulation porcelain seat fixing hole and is installed in the described glass tube, and described insulation porcelain seat is fixed in the housing of described mixed flow case.
3. purification sterilization type range hood as claimed in claim 1, it is characterized in that: described flow mixing device comprises at least one group of mixed flow assembly, described mixed flow assembly comprises last mesh plate and the following mesh plate that is provided with mesh, the mesh of described upward mesh plate and the mesh of following mesh plate are crisscross arranged up and down, the described mesh plate of going up fastens mutually with following mesh plate, and is fixed in the housing of described mixed flow case.
4. purification sterilization type range hood as claimed in claim 3, it is characterized in that: described flow mixing device comprises two groups of mixed flow assemblies.
5. purification sterilization type range hood as claimed in claim 1, it is characterized in that: the air inlet place of described smoke collecting chamber is equipped with cold plate, described cold plate upper end is articulated in smoke collecting chamber, oily net in also being provided with in the described smoke collecting chamber, oily net is located at described cold plate rear in described, and described mixed flow case is positioned at described oil net rear.
6. purification sterilization type range hood as claimed in claim 5, it is characterized in that: described cold plate is the folding shape, and the last folder of described cold plate is block tabula rasa, and following folder is provided with bar hole side by side.
7. purification sterilization type range hood as claimed in claim 1 is characterized in that: the lubricating cup that the lower end of described smoke collecting chamber hangs tag and communicates with cabinets cavity.
8. purification sterilization type range hood as claimed in claim 1 is characterized in that: the shell of described smoke collecting chamber top is provided with control panel, and described control panel is equipped with the switch module of control range hood work.
9. purification sterilization type range hood as claimed in claim 8 is characterized in that: described range hood also comprises the O that is located in the casing
3With carbon monoxide monitoring probe, and the control box assembly that is installed on cabinet shell, described control box assembly comprises central control unit, O
3With plasma output unit, CO and O
3Monitoring unit, described O
3With plasma output unit and described O
3Electrically connect described CO and O with plasma generator
3Monitoring unit and described O
3Electrically connect described CO and O with carbon monoxide monitoring probe
3Monitoring unit is monitored CO and the O of described range hood box house
3Concentration is as the O that monitors the range hood box house
3When concentration approached limit row index, described central control unit was controlled described O
3Adjust O with the plasma output unit
3With level and the frequency of plasma generator, thereby reduce O
3With isoionic output generating capacity; When the CO that monitors the range hood box house approached limit row index, described central control unit was controlled described O
3Adjust O with the plasma output unit
3With level and the frequency of plasma generator, thereby increase O
3With isoionic output generating capacity.
10. purification sterilization type range hood as claimed in claim 9 is characterized in that: described control box assembly also comprises the bistable alarm unit that exceeds standard, the CO in the range hood casing and O
3When limit row was out of control, the described bistable alarm unit that exceeds standard sent warning.
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| EP3228941A1 (en) * | 2016-04-07 | 2017-10-11 | Faber S.p.A. | Vertical extractor hood for a kitchen |
| CN107666804A (en) * | 2017-10-06 | 2018-02-06 | 扬州长泉电器设备有限公司 | Electro Sorb dehumidifying rack |
| CN108180525A (en) * | 2018-03-06 | 2018-06-19 | 广东美的厨房电器制造有限公司 | Range hood |
| CN109000292A (en) * | 2018-08-13 | 2018-12-14 | 佛山市顺德区美的洗涤电器制造有限公司 | Kitchen ventilator |
| CN109000291A (en) * | 2018-08-13 | 2018-12-14 | 佛山市顺德区美的洗涤电器制造有限公司 | Kitchen ventilator |
| JP2019510957A (en) * | 2016-04-08 | 2019-04-18 | ヴィルヘルム ブルックバウアー | Control device for a modular hob device, fume extraction device and modular hob device |
| US10401037B2 (en) | 2016-04-07 | 2019-09-03 | Faber S.P.A. | Vertical extractor hood for a kitchen |
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| EP4269879A1 (en) * | 2022-04-27 | 2023-11-01 | BSH Hausgeräte GmbH | Filter unit for an extractor hood and extractor hood |
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