CN104864436B - Range hood - Google Patents
Range hood Download PDFInfo
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- CN104864436B CN104864436B CN201510319064.2A CN201510319064A CN104864436B CN 104864436 B CN104864436 B CN 104864436B CN 201510319064 A CN201510319064 A CN 201510319064A CN 104864436 B CN104864436 B CN 104864436B
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- greasy dirt
- aqueous solution
- range hood
- substrate surface
- hydrophilic coating
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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
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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 invention provides a kind of range hood, hydrophilic coating is provided with range hood, on the substrate surface of the parts for the range hood that hydrophilic coating is attached to oil smoke or greasy dirt is flowed through or oil smoke can be touched, and the part as base material.The range hood that the present invention is provided, because hydrophilic coating has preferable hydrophilic interaction, make substrate surface that there is preferable affinity to the aqueous solution, so the aqueous solution can preferably soak substrate surface, so as to when greasy dirt attaches the substrate surface in these parts, greasy dirt can be cleaned by the aqueous solution, scrubbing tool is coordinated to wipe, the aqueous solution is easily accessible the gap between substrate surface and greasy dirt, greasy dirt is set gradually to be separated with substrate surface, because profit is immiscible, greasy dirt is less than solution density, greasy dirt is set to float over aqueous solution top layer, and take away greasy dirt when the aqueous solution flows, reach the effect of thoroughly cleaning greasy dirt, it is simple in construction, it is easy to clean, and mitigate the labor intensity that user cleans greasy dirt.
Description
Technical field
The present invention relates to kitchen utensils field, in particular to a kind of range hood.
Background technology
During the use of range hood, range hood can separate, filter out substantial amounts of greasy dirt, in the same of separation greasy dirt
When, greasy dirt can also be remained on the part such as surface of spiral case, impeller, deflector, filter screen of casing internal, or remain in casing
Surface on, greasy dirt forms oil film on the surface of these parts, and uniformly attaches on these parts, and greasy dirt is not for a long time
It can go bad during cleaning, cause greasy dirt to become sticky and gradually solidify, so as to cause user to be difficult to enter to greasy dirt in use
Row effectively cleaning, is required for professional to carry out the cleaning that cigarette machine oil is dirty many when.
The processing scheme of the current greasy dirt to range hood, mainly there is following three kinds：
The first is that preposition greasy dirt filter is set up on range hood, so that greasy dirt abundant mistake at filter
Filter, so that greasy dirt is rested on the outer surface of range hood, but causes the greasy dirt in filter can not in this kind of scheme
Cleaned in time, greasy dirt can occur during long-term use and go bad, cause greasy dirt to become sticky and gradually solidify, rotten greasy dirt
The phenomenon that the pore size filter of pre-filtering device, passage can be caused to occur size reduction, block, and ultimately result in prefilter dress
Put failure, and pre-filtering device has that its aperture, channel size be smaller, structure relatively, cause the cleaning of greasy dirt
It is extremely difficult；
Second is to install automatic flushing device additional on range hood, and the cleaning of greasy dirt is carried out using steam or hot water,
But this kind of scheme can only clean the inside of range hood, it is impossible to carry out the automatic cleaning outside range hood, and automatically
The cleaning of cleaning device needs substantial amounts of cleaning solution, it is necessary to expend substantial amounts of energy, not economic and environment-friendly enough；
The third is that hydrophobic oleophobic coating is used inside range hood so that greasy dirt attaches less or non-sticky on surface
It is attached, but greasy dirt is difficult to completely non-sticky in this kind of scheme, and can exist to the grease separating degree of overall range hood
Bad influence, and hydrophobic oleophobic coating is set on the surface of top-sucking kitchen ventilator so that greasy dirt is difficult to be stained with the surface
It is attached, so as to be also easy to produce oil dripping, fly oily phenomenon.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art.
Therefore, a kind of it is an object of the present invention to provide range hood that easily can be effectively cleaned to greasy dirt.
To achieve the above object, The embodiment provides a kind of range hood, it is provided with the range hood
Hydrophilic coating, the range hood that the hydrophilic coating is attached to oil smoke or greasy dirt is flowed through or oil smoke can be touched
Parts substrate surface on, and as base material a part.
The above embodiment of the present invention provide range hood, oil smoke or greasy dirt flow through or oil smoke can touch
Parts substrate surface on hydrophilic coating is set, and hydrophilic coating is attached on the substrate surface of these parts and turned into
A part for base material, because hydrophilic coating has preferable hydrophilic interaction so that substrate surface has preferable parent to the aqueous solution
And power, such aqueous solution can preferably soak substrate surface, and drawout comes on substrate surface, so when greasy dirt is attached
When on the substrate surface of these parts, the greasy dirt on substrate surface can effectively be cleaned by the aqueous solution, coordinate and wipe
Wash the wiping of instrument, the aqueous solution is easily accessible the gap between substrate surface and greasy dirt so that greasy dirt gradually with base material table
Face is separated, and because profit is immiscible, and density of the density less than the aqueous solution of greasy dirt, so that greasy dirt floats over the aqueous solution
Top layer, furthermore because the aqueous solution has mobility, when substrate surface has certain inclination angle or makes water under external force
When solution produces acceleration, the aqueous solution occurs flowing and greasy dirt is taken away in flow process, and the aqueous solution of substrate surface residual
It can be cleared up by evaporation or using dry scrubbing tool, so that the purpose of thoroughly cleaning greasy dirt is reached, it is simple in construction, clearly
Wash conveniently, save cleaning cost, and greasy dirt is cleaned using the aqueous solution, energy-conserving and environment-protective, and it is clear to be effectively reduced user
The dirty labor intensity of washing oil.
Specifically, compared with setting up the structure of preposition greasy dirt filter in correlation technique on range hood, effectively
Avoid because during long-term use greasy dirt become sticky and gradually solidify and cause greasy dirt blocking filtering device, caused by filter
The problem of failure, and avoid the generation for the problems such as greasy dirt on filter cleans difficulty, increase cost of labor；To related skill
The structure for installing automatic flushing device additional on range hood in art is compared, and effectively prevent automatic flushing device only can be to casing
Internal part is cleaned, casing surface can not be cleaned, and the problems such as substantial amounts of cleaning fluid, the waste energy need to be consumed
Generation；Compared with coating the structure of hydrophobic oleophobic coating in correlation technique on the part inside range hood, it is prevented effectively from
Because greasy dirt be difficult accomplish it is completely non-sticky caused by parts surface still attach the bad situation of greasy dirt, cleaning effect and occur,
And avoid the harmful effect that hydrophobic oleophobic coating is produced to the grease separating degree of overall range hood.
In addition, the range hood in above-described embodiment that the present invention is provided can also have following additional technical feature：
According to one embodiment of present invention, the range hood includes being provided with impeller, spiral case in casing, the casing
With collection discharge equipment, the casing, the impeller, it is provided with the substrate surface of the spiral case and/or the collection discharge equipment
The hydrophilic coating.
According to one embodiment of present invention, the collection discharge equipment includes pre-filtering device, oil guide groove and lubricating cup, institute
The hydrophilic coating is provided with the substrate surface for stating pre-filtering device, the oil guide groove and/or the lubricating cup.
According to one embodiment of present invention, the casing is provided with deflector and cold plate, the deflector and/or institute
State and the hydrophilic coating is provided with the substrate surface of cold plate.
In above-described embodiment, parent is set on the substrate surface of the main parts size of the range hood flowed through in oil smoke or greasy dirt
Coating of the setting with hydrophilic interaction on water coating, i.e., the substrate surface of the parts easily adhered in oil smoke or greasy dirt, and this
A little parts are the parts that user needs emphasis to clean, so that user can be using the aqueous solution come conveniently, effectively, quickly
Greasy dirt on the substrate surface of these parts is cleaned, and is effectively reduced the labor intensity that user cleans greasy dirt.
According to one embodiment of present invention, contact angle of the greasy dirt on the hydrophilic coating is more than the aqueous solution in the parent
Contact angle on water coating, so that the substrate surface is more than the affinity to greasy dirt to the affinity of the aqueous solution.
In above-described embodiment, contact angle of the greasy dirt on hydrophilic coating is more than contact angle of the aqueous solution on hydrophilic coating,
To cause substrate surface to be more than the affinity to greasy dirt to the affinity of the aqueous solution, so when greasy dirt is attached in these parts
When on substrate surface, the greasy dirt being attached with the substrate surface of hydrophilic coating can effectively be cleaned by the aqueous solution, water
Solution can easily enter the gap between substrate surface and greasy dirt, so that greasy dirt easily divides with substrate surface
From, and cause greasy dirt to float over the top layer of the aqueous solution, so as to reach convenience, the efficient, purpose of thoroughly cleaning greasy dirt.
According to one embodiment of present invention, contact angle of the aqueous solution on the hydrophilic coating is not more than 90 °.
In above-described embodiment, contact angle refers to that the tangent line for the liquid-vapor interface made at gas, liquid, solid three-phase intersection point is passed through
Angle theta between liquid and solid-liquid boundary line, is measuring for wetness degree, and contact angle of the aqueous solution on hydrophilic coating is little
In 90 °, that is, cause hydrophilic coating that there is good affinity to the aqueous solution, the aqueous solution can soak substrate surface, and due to water
Contact angle between solution and substrate surface is less than the contact angle between greasy dirt and substrate surface, so that the aqueous solution can enter
Enter the gap between substrate surface and greasy dirt, realize the purpose of the greasy dirt cleaned by the aqueous solution on substrate surface.
According to one embodiment of present invention, contact angle of the greasy dirt on the hydrophilic coating is not more than 90 °.
In above-described embodiment, the contact angle of the aqueous solution and greasy dirt on hydrophilic coating causes hydrophilic apply no more than 90 °, that is,
Layer is respectively provided with affinity to the aqueous solution and greasy dirt, so that greasy dirt can be attached on the component surface, is so inhaled when on top
When the hydrophilic coating is set on formula range hood, it can be prevented effectively from because greasy dirt is difficult to drip caused by attaching on substrate surface
Oil, the generation for flying oily phenomenon, set hydrophobic oleophobic coating on the surface of range hood and lead so as to solve in correlation technique
The oil dripping of cause, the generation for flying oily phenomenon；And the contact angle due to the aqueous solution on hydrophilic coating is not more than 90 °, that is, cause hydrophilic
Coating has good affinity to the aqueous solution, and the contact angle between the aqueous solution and substrate surface is less than greasy dirt and substrate surface
Between contact angle so that the aqueous solution can enter gap between substrate surface and greasy dirt, realize by the aqueous solution come
The purpose of the greasy dirt cleaned on substrate surface.
According to one embodiment of present invention, contact angle of the aqueous solution on the hydrophilic coating is less than 5 °.
In above-described embodiment, because the greasy dirt of range hood is mainly that edible oil is produced in cooking process, therefore greasy dirt
It is may remain in the contact angle of substrate surface in certain scope, the aqueous solution is smaller in the contact angle of substrate surface, base material table
Affinity in face of the aqueous solution is stronger, and the aqueous solution is more notable to the cleaning performance of greasy dirt；When the aqueous solution connecing on hydrophilic coating
When feeler θ is less than 5 °, substrate surface reaches super hydrophilic effect, and the aqueous solution is the most notable to the cleaning performance of greasy dirt, and greasy dirt can
Aqueous solution top layer is floated over rapidly, and flow away with the aqueous solution, so as to further ensure cleaning effect of the aqueous solution to greasy dirt.
It should be noted that greasy dirt described in above-described embodiment is liquid greasy dirt, when making in the long-term use in range hood
Greasy dirt becomes sticky and gradually solidification is when being changed into solid-state, substrate surface still has to the beneficial effect of the aqueous solution, and now greasy dirt can
Quickly to be separated in the presence of water with substrate surface so that solid-state greasy dirt can be fallen off with substrate surface or easily by
Wipe out, so as to ensure the cleaning performance to greasy dirt.
According to one embodiment of present invention, the range hood also includes：Automatic flushing device, the automatic cleaning dress
Install on the housing, the sprayable cleaning fluid of automatic flushing device, and the bulk composition of the cleaning fluid is water.
In above-described embodiment, automatic flushing device is set up on range hood, it is clear by what is sprayed in automatic flushing device
Washing lotion is effectively cleaned to the greasy dirt on range hood, it is to avoid greasy dirt extended residual is and effectively save on range hood
Cost of labor；Because the substrate surface provided with hydrophilic coating is more than the affinity to greasy dirt to the affinity of the aqueous solution, thus
Bulk composition can be used to be cleaned for the cleaning fluid of water to greasy dirt, effective cleaning action to greasy dirt is ensure that, and use
The aqueous solution is cleaned to greasy dirt, energy-conserving and environment-protective, and is effectively reduced the labor intensity of user's cleaning.
According to one embodiment of present invention, the automatic flushing device includes：Storage unit, the cleaning fluid is stored in institute
State in storage unit；Ejection section, the cleaning fluid sprays from the ejection section；And heating part, the heating part is used to heating described
Cleaning fluid, so that the cleaning fluid is in a liquid state, gaseous state or gas-liquid mixed state spray.
In above-described embodiment, cleaning fluid is heated by heating part, cleaning fluid is in a liquid state, gaseous state or gas-liquid mixed
State sprays, so that the cleaning fluid sprayed is more uniform, so that effectively the effect of greasy dirt is cleaned in lifting using cleaning fluid.
It should be noted that can also coordinate exterior washings equipment effectively to clean the greasy dirt on range hood.
The additional aspect and advantage of the present invention will become obvious in following description section, or pass through the practice of the present invention
Recognize.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the dimensional structure diagram of the range hood according to one embodiment of the invention；
Fig. 2 is the cross section structure diagram of the range hood shown in Fig. 1；
Fig. 3 be liquid drop on substrate surface when schematic diagram；
Fig. 4 is that greasy dirt attaches schematic diagram when on the substrate surface for be coated with hydrophilic coating；
Fig. 5 is schematic diagram when using the greasy dirt shown in aqueous cleaning Fig. 4.
Wherein, corresponding relations of the Fig. 1 into Fig. 5 between reference and component names is：
1 range hood, 11 casings, 12 spiral cases, 2 base materials, 20 hydrophilic coatings, 3 liquid, 4 greasy dirts, 5 aqueous solution.
Embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
Implemented with being different from other modes described here using other, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Range hood described according to some embodiments of the invention is described referring to Fig. 1 to Fig. 5.
As depicted in figs. 1 and 2, set on the range hood 1 provided according to some embodiments of the invention, the range hood 1
It is equipped with hydrophilic coating 20, it is described that the hydrophilic coating 20 is attached to oil smoke or greasy dirt 4 is flowed through or oil smoke can be touched
On the substrate surface of the parts of range hood 1, and the part as base material 2.
The above embodiment of the present invention provide range hood, oil smoke or greasy dirt flow through or oil smoke can touch
Parts substrate surface on hydrophilic coating is set, and hydrophilic coating is attached on the substrate surface of these parts and turned into
A part for base material, because hydrophilic coating has preferable hydrophilic interaction so that substrate surface has preferable parent to the aqueous solution
And power, such aqueous solution can preferably soak substrate surface, and drawout comes on substrate surface, so when greasy dirt is attached
When on the substrate surface of these parts, the greasy dirt on substrate surface can effectively be cleaned by the aqueous solution, coordinate and wipe
Wash the wiping of instrument, the aqueous solution is easily accessible the gap between substrate surface and greasy dirt so that greasy dirt gradually with base material table
Face is separated, and because profit is immiscible, and density of the density less than the aqueous solution of greasy dirt, so that greasy dirt floats over the aqueous solution
Top layer, furthermore because the aqueous solution has mobility, when substrate surface has certain inclination angle or makes water under external force
When solution produces acceleration, the aqueous solution occurs flowing and greasy dirt is taken away in flow process, and the aqueous solution of substrate surface residual
It can be cleared up by evaporation or using dry scrubbing tool, so that the purpose of thoroughly cleaning greasy dirt is reached, it is simple in construction, clearly
Wash conveniently, save cleaning cost, and greasy dirt is cleaned using the aqueous solution, energy-conserving and environment-protective, and it is clear to be effectively reduced user
The dirty labor intensity of washing oil.
Specifically, compared with setting up the structure of preposition greasy dirt filter in correlation technique on range hood, effectively
Avoid because during long-term use greasy dirt become sticky and gradually solidify and cause greasy dirt blocking filtering device, caused by filter
The problem of failure, and avoid the generation for the problems such as greasy dirt on filter cleans difficulty, increase cost of labor；To related skill
The structure for installing automatic flushing device additional on range hood in art is compared, and effectively prevent automatic flushing device only can be to casing
Internal part is cleaned, casing surface can not be cleaned, and the problems such as substantial amounts of cleaning fluid, the waste energy need to be consumed
Generation；Compared with coating the structure of hydrophobic oleophobic coating in correlation technique on the part inside range hood, it is prevented effectively from
Because greasy dirt be difficult accomplish it is completely non-sticky caused by parts surface still attach the bad situation of greasy dirt, cleaning effect and occur,
And avoid the harmful effect that hydrophobic oleophobic coating is produced to the grease separating degree of overall range hood.
In some embodiments of the present invention, as depicted in figs. 1 and 2, the range hood 1 includes：Casing 11, the casing
Impeller, spiral case 12 and collection discharge equipment, the casing 11, the impeller, the spiral case 12 and/or the collection row are provided with 11
The hydrophilic coating 20 is provided with the substrate surface of oily device.
In some embodiments of the present invention, the collection discharge equipment includes pre-filtering device, oil guide groove and lubricating cup, described
The hydrophilic coating 20 is provided with the substrate surface of pre-filtering device, the oil guide groove and/or the lubricating cup.
In some embodiments of the present invention, the casing 11 is provided with deflector and cold plate, the deflector and/or institute
State and the hydrophilic coating 20 is provided with the substrate surface of cold plate.
In above-described embodiment, parent is set on the substrate surface of the main parts size of the range hood flowed through in oil smoke or greasy dirt
Coating of the setting with hydrophilic interaction on water coating, i.e., the substrate surface of the parts easily adhered in oil smoke or greasy dirt, and this
A little parts are the parts that user needs emphasis to clean, so that user can be using the aqueous solution come conveniently, effectively, quickly
Greasy dirt on the substrate surface of these parts is cleaned, and is effectively reduced the labor intensity that user cleans greasy dirt.Need
It is noted that also the hydrophilic coating can be set on the substrate surface of other parts of range hood, especially in greasy dirt
The hydrophilic coating is set on the substrate surface of the parts flowed through, with by the aqueous solution on the substrate surface of these parts
Greasy dirt is effectively cleaned, within the scope of the present invention.
In one embodiment of the present of invention, contact angle of the greasy dirt 4 on the hydrophilic coating 20 is more than the aqueous solution 5 described
Contact angle on hydrophilic coating 20, so that the substrate surface is more than the affinity to greasy dirt 4 to the affinity of the aqueous solution 5.
In above-described embodiment, contact angle of the greasy dirt on hydrophilic coating is more than contact angle of the aqueous solution on hydrophilic coating,
To cause substrate surface to be more than the affinity to greasy dirt to the affinity of the aqueous solution, so when greasy dirt attaches the table in these parts
When on face, the greasy dirt being attached with the substrate surface of hydrophilic coating can effectively be cleaned by the aqueous solution, water-soluble liquid energy
The gap between substrate surface and greasy dirt is enough easily entered, so that greasy dirt is easily separated with substrate surface, and
So that greasy dirt floats over the top layer of the aqueous solution, so as to reach convenience, the efficient, purpose of thoroughly cleaning greasy dirt.
As shown in figure 3, representing that liquid 3 drops in schematic diagram when on the surface of base material 2, wherein the θ in diagram represents contact
Angle, contact angle refers to the tangent line (inclination on the right side of liquid 3 in such as Fig. 3 for the liquid-vapor interface made at gas, liquid, solid three-phase intersection point
Shown in straight line) angle theta through liquid 3 and solid-liquid boundary line is measuring for wetness degree.
As shown in figure 4, representing that greasy dirt 4 attaches schematic diagram when on the surface of base material 2 for be coated with hydrophilic coating 20；As schemed
Shown in 5, schematic diagram when representing to clean the greasy dirt 4 shown in Fig. 4 with the aqueous solution 5.
Because contact angle of the greasy dirt 4 on hydrophilic coating 20 is more than contact angle of the aqueous solution 5 on hydrophilic coating 20, i.e. base
The surface of material 2 is more than the affinity to greasy dirt 4 to the affinity of the aqueous solution 5, can so when greasy dirt 4 is attached on substrate surface
The greasy dirt 4 on the surface of base material 2 is effectively cleaned by the aqueous solution 5, as shown in figure 5, the aqueous solution 5 can enter the surface of base material 2
With the gap between greasy dirt 4, so that greasy dirt 4 is separated with the surface of base material 2, and because profit is immiscible, and greasy dirt 4 is close
Degree is less than the density of the aqueous solution 5, so that greasy dirt 4 floats over the top layer of the aqueous solution 5, furthermore because the aqueous solution 5 has mobility,
When substrate surface has certain inclination angle or the aqueous solution 5 is produced acceleration under external force, the aqueous solution 5 flows
And greasy dirt 4 is taken away in flow process, and the aqueous solution 5 of the remained on surface of base material 2 can be by evaporating or using dry scouring work
Tool is cleared up, so as to reach the effect of thoroughly cleaning greasy dirt 4.
In one embodiment of the present invention, contact angle of the aqueous solution 5 on the hydrophilic coating 20 is not more than 90 °.
In above-described embodiment, contact angle of the aqueous solution on hydrophilic coating is not more than 90 °, that is, causes hydrophilic coating to water-soluble
Liquid has good affinity, and the aqueous solution can soak substrate surface, and due to the contact angle between the aqueous solution and substrate surface
Less than the contact angle between greasy dirt and substrate surface, so that between the aqueous solution can enter between substrate surface and greasy dirt
Gap, realizes the purpose of the greasy dirt cleaned by the aqueous solution on substrate surface.
In second embodiment of the present invention, the contact angle of the aqueous solution 5 and greasy dirt 4 on the hydrophilic coating 20 is little
In 90 °.
In above-described embodiment, the contact angle of the aqueous solution and greasy dirt on hydrophilic coating causes hydrophilic apply no more than 90 °, that is,
Layer is respectively provided with affinity to the aqueous solution and greasy dirt, so that greasy dirt can be attached on the component surface, is so inhaled when on top
When the hydrophilic coating is set on formula range hood, it can be prevented effectively from because greasy dirt is difficult to drip caused by attaching on substrate surface
Oil, the generation for flying oily phenomenon, set hydrophobic oleophobic coating on the surface of range hood and lead so as to solve in correlation technique
The oil dripping of cause, the generation for flying oily phenomenon；And the contact angle due to the aqueous solution on hydrophilic coating is not more than 90 °, that is, cause hydrophilic
Coating has good affinity to the aqueous solution, and the contact angle between the aqueous solution and substrate surface is less than greasy dirt and substrate surface
Between contact angle so that the aqueous solution can enter gap between substrate surface and greasy dirt, realize by the aqueous solution come
The purpose of the greasy dirt cleaned on substrate surface.
In the 3rd embodiment of the present invention, contact angle of the aqueous solution 5 on the hydrophilic coating 20 is less than 5 °.
In above-described embodiment, because the greasy dirt of range hood is mainly that edible oil is produced in cooking process, therefore greasy dirt
It is may remain in the contact angle of substrate surface in certain scope, the aqueous solution is smaller in the contact angle of substrate surface, base material table
Affinity in face of the aqueous solution is stronger, and the aqueous solution is more notable to the cleaning performance of greasy dirt；When the aqueous solution connecing on hydrophilic coating
When feeler θ is less than 5 °, substrate surface reaches super hydrophilic effect, and the aqueous solution is the most notable to the cleaning performance of greasy dirt, and greasy dirt can
Aqueous solution top layer is floated over rapidly, and flow away with the aqueous solution, so as to further ensure cleaning effect of the aqueous solution to greasy dirt.
It should be noted that greasy dirt described in above-described embodiment is liquid greasy dirt, when making in the long-term use in range hood
Greasy dirt becomes sticky and gradually solidification is when being changed into solid-state, substrate surface still has to the beneficial effect of the aqueous solution, and now greasy dirt can
Quickly to be separated in the presence of water with substrate surface so that solid-state greasy dirt can be fallen off with substrate surface or easily by
Wipe out, so as to ensure the cleaning performance to greasy dirt.
Secondly, the present invention is directed can contain necessarily in the greasy dirt that edible oil is produced in cooking process, greasy dirt
The materials such as moisture, carbonized particles thing, aldehyde, ketone, greasy dirt can be liquid, solid-state, and during greasy dirt presentation liquid, because of its viscosity not
Together, different states can be presented on the surface of range hood, the state can be that the state flowed freely is either gluey.
In some embodiments of the present invention, hydrophilic coating is through spraying process or infusion method in the casing 11, the impeller, institute
The substrate surface for stating the parts such as spiral case 12, the deflector and/or the collection discharge equipment forms the hydrophilic coating 20, when
So the hydrophilic coating can also be set on the substrate surface of casing and/or the parts in casing using other methods,
It is within the scope of the present invention.
According to one embodiment of present invention, the range hood 1 also includes：Automatic flushing device (not shown),
The automatic flushing device is arranged on the casing 11, the sprayable cleaning fluid of automatic flushing device, and the cleaning fluid
Bulk composition be water.
In above-described embodiment, automatic flushing device is set up on range hood, it is clear by what is sprayed in automatic flushing device
Washing lotion is effectively cleaned to the greasy dirt on range hood, it is to avoid greasy dirt extended residual is and effectively save on range hood
Cost of labor；Because the substrate surface provided with hydrophilic coating is more than the affinity to greasy dirt to the affinity of the aqueous solution, thus
Bulk composition can be used to be cleaned for the cleaning fluid of water to greasy dirt, effective cleaning action to greasy dirt is ensure that, and use
The aqueous solution is cleaned to greasy dirt, energy-conserving and environment-protective, and is effectively reduced the labor intensity of user's cleaning.
In one embodiment of the present of invention, the cleaning fluid includes one kind or many in running water, pure water or distilled water
Kind.Certainly, appropriate neutral detergent can be also added in cleaning fluid, to lift the cleaning performance of cleaning fluid.
In the specific embodiment of the present invention, the automatic flushing device includes：Storage unit, the cleaning fluid is stored in
In the storage unit；Ejection section, the cleaning fluid sprays from the ejection section；And heating part, the heating part is used to heat institute
Cleaning fluid is stated, so that the cleaning fluid is in a liquid state, gaseous state or gas-liquid mixed state spray.
In above-described embodiment, cleaning fluid is heated by the heating part of automatic flushing device, cleaning fluid is in a liquid state,
Gaseous state or gas-liquid mixed state spray, so that the cleaning fluid sprayed is more uniform, so that effectively lifting is using cleaning fluid cleaning
The effect of greasy dirt.
It should be noted that can also coordinate exterior washings equipment effectively to clean the greasy dirt on range hood.
The above embodiment of the present invention provide range hood, oil smoke or greasy dirt flow through or oil smoke can touch
Parts substrate surface on hydrophilic coating is set, and hydrophilic coating is attached on the substrate surface of these parts and turned into
A part for base material, because hydrophilic coating has preferable hydrophilic interaction so that substrate surface has preferable parent to the aqueous solution
And power, such aqueous solution can preferably soak substrate surface, and drawout comes on substrate surface, and preferably greasy dirt is hydrophilic
Contact angle on coating is more than contact angle of the aqueous solution on hydrophilic coating, so that the substrate surface of these parts is to the aqueous solution
Affinity be more than to the affinity of greasy dirt, so when greasy dirt is attached on the substrate surface of these parts, water can be passed through
Solution is effectively cleaned to the greasy dirt on substrate surface, and the aqueous solution can enter the gap between substrate surface and greasy dirt, from
And make it that greasy dirt is separated with substrate surface, and because profit is immiscible, and density of the density less than the aqueous solution of greasy dirt, so that
So that greasy dirt floats over the top layer of the aqueous solution, furthermore because the aqueous solution has mobility, when substrate surface have certain inclination angle or
When person makes aqueous solution generation acceleration under external force, the aqueous solution occurs to flow simultaneously takes away greasy dirt in flow process, and base
The aqueous solution of material remained on surface can be by evaporating or being cleared up using dry scrubbing tool, so as to reach the mesh of cleaning oil pollution
, it is simple in construction, it is easy to clean, cleaning cost is saved, and greasy dirt is cleaned using the aqueous solution, energy-conserving and environment-protective, and have
Effect alleviates the labor intensity that user cleans greasy dirt.
In the present invention, term " first ", " second ", " the 3rd " are only used for the purpose described, and it is not intended that indicating
Or imply relative importance.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that combining the embodiment or specific features, structure, material or the feature of example description is contained at least one reality of the invention
Apply in example or example.In this manual, identical embodiment or reality are not necessarily referring to the schematic representation of above-mentioned term
Example.Moreover, description specific features, structure, material or feature can in any one or more embodiments or example with
Suitable mode is combined.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (9)
1. a kind of range hood, it is characterised in that
It is provided with hydrophilic coating on the range hood, the hydrophilic coating is attached to oil smoke or greasy dirt is flowed through or oil smoke
On the substrate surface of the parts for the range hood that can be touched, and the part as base material；
Contact angle of the greasy dirt on the hydrophilic coating is more than contact angle of the aqueous solution on the hydrophilic coating, so that the base
Material surface is more than the affinity to greasy dirt to the affinity of the aqueous solution.
2. range hood according to claim 1, it is characterised in that
The range hood includes casing, is provided with impeller, spiral case and collection discharge equipment in the casing, the casing, described
The hydrophilic coating is provided with the substrate surface of impeller, the spiral case and/or the collection discharge equipment.
3. range hood according to claim 2, it is characterised in that
The collection discharge equipment includes pre-filtering device, oil guide groove and lubricating cup, the pre-filtering device, the oil guide groove
And/or the hydrophilic coating is provided with the substrate surface of the lubricating cup.
4. range hood according to claim 2, it is characterised in that
The casing is provided with deflector and cold plate, the substrate surface of the deflector and/or the cold plate and is provided with
The hydrophilic coating.
5. range hood according to any one of claim 1 to 4, it is characterised in that
Contact angle of the aqueous solution on the hydrophilic coating is not more than 90 °.
6. range hood according to claim 5, it is characterised in that
Contact angle of the greasy dirt on the hydrophilic coating is not more than 90 °.
7. range hood according to claim 5, it is characterised in that
Contact angle of the aqueous solution on the hydrophilic coating is less than 5 °.
8. the range hood according to any one of claim 2 to 4, it is characterised in that also include：
Automatic flushing device, the automatic flushing device is set on the housing, the sprayable cleaning of the automatic flushing device
Liquid, and the bulk composition of the cleaning fluid is water.
9. range hood according to claim 8, it is characterised in that the automatic flushing device includes：
Storage unit, the cleaning fluid is stored in the storage unit；
Ejection section, the cleaning fluid sprays from the ejection section；With
Heating part, the heating part is used to heat the cleaning fluid, so that the cleaning fluid is in a liquid state, gaseous state or gas-liquid mixed state
Spray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510319064.2A CN104864436B (en) | 2015-06-11 | 2015-06-11 | Range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510319064.2A CN104864436B (en) | 2015-06-11 | 2015-06-11 | Range hood |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104864436A CN104864436A (en) | 2015-08-26 |
| CN104864436B true CN104864436B (en) | 2017-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510319064.2A Active CN104864436B (en) | 2015-06-11 | 2015-06-11 | Range hood |
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| Country | Link |
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| CN (1) | CN104864436B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674362A (en) * | 2016-02-29 | 2016-06-15 | 华帝股份有限公司 | Range hood convenient to clean |
| JP2020165597A (en) * | 2019-03-29 | 2020-10-08 | 株式会社竹中工務店 | Range hood |
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| CN201281442Y (en) * | 2008-09-30 | 2009-07-29 | 广东美的电器股份有限公司 | Indoor set heat exchanger of air conditioner for kitchen |
| CN101495814A (en) * | 2006-10-18 | 2009-07-29 | 松下电器产业株式会社 | Range hood |
| CN103286006A (en) * | 2012-02-28 | 2013-09-11 | 王长皓 | Method and device for purifying oil smoke in no-clean static way |
| CN103672996A (en) * | 2012-09-03 | 2014-03-26 | 胡光南 | Method for purifying kitchen fume and internally-discharged environmental-friendly extractor hood |
| CN104654395A (en) * | 2013-11-16 | 2015-05-27 | 西安上尚机电有限公司 | Household cooking fume emission cleaning device |
| CN204704898U (en) * | 2015-06-11 | 2015-10-14 | 广东美的厨房电器制造有限公司 | Range hood |
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2015
- 2015-06-11 CN CN201510319064.2A patent/CN104864436B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101495814A (en) * | 2006-10-18 | 2009-07-29 | 松下电器产业株式会社 | Range hood |
| CN201281442Y (en) * | 2008-09-30 | 2009-07-29 | 广东美的电器股份有限公司 | Indoor set heat exchanger of air conditioner for kitchen |
| CN103286006A (en) * | 2012-02-28 | 2013-09-11 | 王长皓 | Method and device for purifying oil smoke in no-clean static way |
| CN103672996A (en) * | 2012-09-03 | 2014-03-26 | 胡光南 | Method for purifying kitchen fume and internally-discharged environmental-friendly extractor hood |
| CN104654395A (en) * | 2013-11-16 | 2015-05-27 | 西安上尚机电有限公司 | Household cooking fume emission cleaning device |
| CN204704898U (en) * | 2015-06-11 | 2015-10-14 | 广东美的厨房电器制造有限公司 | Range hood |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104864436A (en) | 2015-08-26 |
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Effective date of registration: 20180928 Address after: 528311 20 Beijiao Road, Beijiao Town, Shunde District, Foshan, Guangdong Patentee after: Foshan Shunde District Midea Washing Electrical Appliance Manufacturing Co., Ltd. Address before: 528311 Yongan Road, Beijiao Town, Shunde District, Foshan, Guangdong 6 Co-patentee before: Midea Group Co., Ltd. Patentee before: Guangdong Midea Kitchen Appliance Manufacturing Co., Ltd. |
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