CN105466141A - Sterilization surface light source and refrigerator - Google Patents
Sterilization surface light source and refrigerator Download PDFInfo
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- CN105466141A CN105466141A CN201511029100.8A CN201511029100A CN105466141A CN 105466141 A CN105466141 A CN 105466141A CN 201511029100 A CN201511029100 A CN 201511029100A CN 105466141 A CN105466141 A CN 105466141A
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- degerming
- lamp
- guide plate
- light guide
- light
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- 230000001954 sterilising effect Effects 0.000 title abstract description 24
- 238000004659 sterilization and disinfection Methods 0.000 title abstract description 16
- 239000003054 catalyst Substances 0.000 claims abstract description 65
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 241000894006 Bacteria Species 0.000 claims abstract description 12
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 22
- 239000011941 photocatalyst Substances 0.000 claims description 11
- 239000004408 titanium dioxide Substances 0.000 claims description 11
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 9
- 239000010453 quartz Substances 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 238000005057 refrigeration Methods 0.000 claims description 7
- 239000010936 titanium Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 38
- 238000005286 illumination Methods 0.000 abstract description 17
- 230000003287 optical effect Effects 0.000 abstract description 5
- 230000000844 anti-bacterial effect Effects 0.000 description 23
- 238000005265 energy consumption Methods 0.000 description 9
- 230000001580 bacterial effect Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 241000588724 Escherichia coli Species 0.000 description 1
- 241000607142 Salmonella Species 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D27/00—Lighting arrangements
- F25D27/005—Lighting arrangements combined with control means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/10—Ultraviolet radiation
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Epidemiology (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention provides a sterilization surface light source and a refrigerator. The sterilization surface light source comprises a light guide plate and a light source. The light source is installed on the light guide plate. Light emitted by the light source is emitted out through the outer surface of the light guide plate. A catalyst coating is arranged on the outer surface of the light guide plate and can absorb light emitted by the light source to perform sterilization. According to the sterilization surface light source, due to the arrangement of the light guide plate, light emitted by a point light source or a line light source can achieve the illumination effect of the surface light source, and therefore the light is softer, a larger region can be covered with the light, and a high-end illumination effect is achieved. Due to the fact that the catalyst coating is arranged on the plate face of the light guide plate, the sterilization problem of the refrigerator is easily solved according to the principle that the catalyst coating absorbs optical energy to kill bacteria.
Description
Technical field
The present invention relates to refrigerator technical field, in particular to a kind of degerming area source and the refrigerator comprising this degerming area source.
Background technology
Research finds, along with the time lengthening of Refrigerator store food, food surface can breed the harmful bacterias such as Escherichia coli, staphylococcus aureus, salmonella, mould, has the possibility be detrimental to health.In order to solve the problem, a lot of sterilization technology is used on refrigerator, such as photo-catalytic sterilization, plasma sterilization etc., but, all there is various problem in above-mentioned sterilization technology, as: need in refrigerator, increase some devices, such as blower fan, high voltage package etc., take refrigerator volume, and other structure modifies of refrigerator can be caused; Or need some exacting terms to cause product cost to increase to realize bactericidal effect; Or use inconvenience, increase energy consumption of refrigerator and there is potential safety hazard etc.
Summary of the invention
In order to solve the problems of the technologies described above one of at least, one object of the present invention is to provide a kind of degerming area source with bacteria-eliminating efficacy, can either reach high-end illuminating effect, can solve again the degerming problem of refrigerator like a cork.
Another object of the present invention is to provide a kind of refrigerator comprising above-mentioned degerming area source.
To achieve these goals, the embodiment of first aspect present invention provides a kind of degerming area source, is arranged in refrigerator, comprises: light guide plate; And light source, described light source is arranged on described light guide plate, and the light that described light source sends enters described light guide plate and outer surface through described light guide plate is launched; Wherein, the outer surface of described light guide plate is provided with catalyst coat, described catalyst coat can absorb the light that described light source sends and carry out degerming.
The degerming area source that the embodiment of first aspect present invention provides, by arranging light guide plate, the light that spot light or line source are sent can reach the radiation response of area source, thus softer, and can cover larger region, reaches high-end illuminating effect; By arranging catalyst coat on the plate face of light guide plate, utilizing catalyst coat to absorb the principle of luminous energy kill bacteria, thus easily solving the degerming problem of refrigerator.
Specifically, there is various problem in the existing sterilization technology be applied on refrigerator; And degerming area source provided by the invention, comprise light source and light guide plate, after the light that light source sends enters light guide plate, efficient propagation in light guide plate, then launch from the outer surface of light guide plate, thus achieve the effect of area source, the light thus sent is even and soft, overlayable region is more extensive, reaches high-end illuminating effect; Light guide plate is provided with catalyst coat, and catalyst coat effectively can kill various bacteria after accepting enough illumination effects, thus easily solves the degerming problem of refrigerator.In addition, only this degerming area source need being fixed in the cavity of refrigerator, and replacing lighting device traditional in refrigerator, without the need to increasing extra device or other harsh conditions, also not needing the structure changing refrigerator, simple and convenient.
In addition, the degerming area source in above-described embodiment provided by the invention can also have following additional technical feature:
In technique scheme, described light source is lamp bar, and described lamp bar is arranged on the side wall surface of described light guide plate.
Light source is set to lamp bar, namely adopt line source as the light source of degerming area source, line source is compared to spot light, the light sent is more even, and intensity is higher, can irradiation area more extensive, therefore the light entered in light guide plate is also more even, and illuminating effect is better; Simultaneously, lamp bar is arranged on the side wall surface of light guide plate, then light is gone out from the plate face of light guide plate and other side-emitted, thus the outer surface maximally utilising light guide plate carries out the transmitting of light, make illuminating effect more excellent on the one hand, also ensure that catalyst coat can receive enough illumination on the other hand, thus make bactericidal effect more excellent.Certainly; light source also can be spot light; also light source can be arranged on the plate face of light guide plate; still can forming surface light source after light guide plate conversion; the object of sterilization and illumination can be realized equally; therefore it will be understood by those of skill in the art that these technical schemes are also in protection scope of the present invention.
In above-mentioned arbitrary technical scheme, described lamp bar comprises illuminating lamp and degerming lamp.
Because not all light all can make catalyst coat play bactericidal action, also not all light is all visible for illumination, thus lamp bar is set and comprises illuminating lamp and degerming lamp two kinds of light sources, the light that illuminating lamp sends is visible ray, only play illuminating effect, the light that degerming lamp sends is then for exciting catalyst coat to make it play sterilizing function, two kinds of light sources are set so respectively, Each performs its own functions for two kinds of light sources, high-end illuminating effect can either be ensured, effective bactericidal effect can be ensured again, significantly improve the dependability of degerming area source.Certainly; also can a kind of light source be only set; the only visible ray that this light source sends; be enough to excite catalyst coat to play sterilizing function simultaneously; thus illuminating effect and bactericidal effect has been had concurrently; object of the present invention can be realized equally, it will be understood by those of skill in the art that this technical scheme is also in protection scope of the present invention.
In above-mentioned arbitrary technical scheme, described lamp bar comprises multiple described illuminating lamp and multiple described degerming lamp, and multiple described illuminating lamp and multiple described degerming lamp are crisscross arranged.
Because lamp bar has certain length, multiple illuminating lamp and multiple bactericidal lamp are set respectively, and be crisscross arranged, the light that can ensure to enter each position of light guide plate all has some strength and more even, and then the light making light guide plate emit is also more even, such one side makes illuminating effect more evenly soft, ensure that the catalyst coat at each position also can receive illumination effect enough uniformly, to ensure that the catalyst coat at each position all effectively can play bactericidal action simultaneously.
In above-mentioned arbitrary technical scheme, described illuminating lamp is LED, and described degerming lamp is uviol lamp; And/or described catalyst coat is photocatalyst of titanium dioxide coating; And/or described light guide plate is acrylic board or quartz plate.
Adopt LED as illuminating lamp, good illumination effect, and energy consumption is low; Adopt uviol lamp as degerming lamp, bacteria-eliminating efficacy is good, and cost is low, and when adopting uviol lamp, catalyst coat can absorb ultraviolet, thus reduces uviol lamp to the impact of refrigerator miscellaneous part.
Adopt photocatalyst of titanium dioxide coating as catalyst coat, be preferably the photocatalyst coating of Nano titanium dioxide ultramicron, it can excite generation electron-hole pair when receiving enough optical energy irradiations, i.e. photo-generated carrier, then move to rapidly its surface and activate by the oxygen that adsorbs and moisture, produce active free hydroxy (OH) and active oxygen (O), when pollutant and bacterial adsorption are on its surface, chain type degradation reaction will be there is, thus play effective bactericidal action.
Acrylic board or quartz plate all have good transparency, possess excellent optical property, all can meet the requirement of light guide plate.Particularly, when the wavelength of light that degerming lamp sends is at more than 400nm, adopt acrylic light guide plate, with low cost, accordingly, catalyst coat adopts modifying titanium dioxide coating; When the wavelength of light that degerming lamp sends is at below 400nm, adopt the quartz plate that penetrating light intensity is strong, and photocatalyst coating adopts ordinary titanium dioxide coating.
Certainly; those skilled in the art is to be understood that; the kind of illuminating lamp is not limited to LED; can be other illuminating lamps; the kind of degerming lamp is not limited to uviol lamp; it can be visible lamp; the kind of catalyst coat is also not limited to photocatalyst of titanium dioxide coating; the kind of light guide plate is also not limited to acrylic board or quartz plate; as long as corresponding function can be realized; will not enumerate at this, but these technical schemes all do not depart from aim of the present invention, therefore all in protection scope of the present invention.
In above-mentioned arbitrary technical scheme, a plate face of described light guide plate is provided with diffuse reflector, another plate face of described light guide plate is provided with described catalyst coat.
Two plate faces of light guide plate arrange catalyst coat and diffuse reflector respectively, and catalyst coat realizes sterilizing function for absorbing luminous energy, and the light that diffuse reflector then can make light guide plate send is more even, thus promotes illuminating effect and bactericidal effect further; Catalyst coat and diffuse reflector are separately positioned on two plate faces of light guide plate because the plate mask of light guide plate has larger area, can make like this illuminating effect and bactericidal effect more remarkable.
In above-mentioned arbitrary technical scheme, described diffuse reflector covers a plate face of described light guide plate completely, and described catalyst coat covers another plate face of described light guide plate completely.
Make catalyst coat and diffuse reflector cover two plate faces of light guide plate completely, make the bactericidal effect of light guide plate and illuminating effect all obtain optimization.
The embodiment of second aspect present invention provides a kind of refrigerator, comprising: cavity components, and described cavity components has the container cavity of one end open; Men Ti, is connected with described cavity components, is used to open or close described container cavity; As the degerming area source according to any one of above-mentioned first aspect embodiment, be arranged on described cavity components, and be positioned at described container cavity, the bacterium in described container cavity can be adsorbed on the catalyst coat of described degerming area source; And control module, be electrically connected with described degerming area source, open for controlling described degerming area source or close.
The refrigerator that the embodiment of second aspect present invention provides, because being provided with the degerming area source of any one in above-mentioned first aspect embodiment in container cavity, thus has high-end illuminating effect, and easily solves sterilization problem.
In addition, the refrigerator in above-described embodiment provided by the invention can also have following additional technical feature:
In technique scheme, described cavity components comprises air duct cover board, described air duct cover board is provided with air outlet and air inlet, and a plate face of described degerming area source is fixed on described air duct cover board, and another plate face is provided with described catalyst coat.
Be arranged on air duct cover board by degerming area source, and one plate face is fixedly connected with air duct cover board, the installation of degerming area source only takies the very little space of container cavity so on the one hand, can not affect the placement of food, on the other hand without the need to dismounting, convenient and swift; In addition, air duct cover board is provided with air outlet and air inlet, and the speed air flow thus near air duct cover board is very fast, can effectively drive the air on degerming area source surface to flow, and then promotes bacteria-eliminating efficacy.
In technique scheme, the light source of described degerming area source is lamp bar, and described lamp bar comprises illuminating lamp and degerming lamp, and described control module comprises lighting control unit and degerming control unit; Wherein, described lighting control unit is electrically connected with described illuminating lamp, opens, and control the closedown of described illuminating lamp when described door body is closed to control described illuminating lamp when described door body is opened; Described degerming control unit is electrically connected with described degerming lamp, opens to control described degerming lamp when described door body is closed and the refrigeration fan of described refrigerator is opened, or controls described degerming lamp batch (-type) unlatching when described door body is closed.
Unlatching or the closedown of illuminating lamp and degerming lamp is controlled respectively by lighting control unit and degerming control unit, can ensure that illuminating lamp and degerming lamp are all opened on suitable opportunity or closed, thus both ensure that the realization of illumination functions and sterilizing function, waste or the unnecessary harm of energy consumption can be avoided again.Particularly, lighting control unit controls illuminating lamp, makes it open when refrigerator door is opened, and to facilitate user to pick and place food, does not then need to open when door body is closed, thus avoids energy consumption waste; Degerming control unit controls degerming lamp, preferably, makes it just open when door body is closed, because when door body is closed, form confined space in container cavity, bactericidal effect can be made better, can also avoid adopting uviol lamp to work the mischief to human body as ultraviolet during degerming lamp simultaneously.Further, degerming lamp can be made when door body is closed and refrigeration fan interlock, synchronous unlatching or closedown, due to refrigeration fan open time, the rapid air movement in container cavity can be made, and then accelerate bacterial adsorption to the speed on catalyst coat, the bacteria-eliminating efficacy of degerming area source is significantly improved; Or, degerming lamp batch (-type) is allowed to open, like this, in the time that degerming lamp is opened, can carry out efficiently degerming to container cavity, bacterial number is significantly reduced, then degerming lamp is closed, treat through after a period of time, when the bacterial number in container cavity is elevated to certain level again, again open degerming lamp, carry out the intensive degerming of next round, so both ensure that degerming area source can play effective bacteria-eliminating efficacy to container cavity, turn improved the degerming efficiency of degerming area source, avoided the energy consumption waste that degerming lamp still continues when low bacteria levels to open.Certainly, if degerming lamp is uviol lamp, because ultraviolet is harmful, thus when door body is opened, degerming lamp must be closed; But if degerming lamp is visible lamp, because visible ray is harmless, thus degerming lamp also can be opened when door body is turned on, it will be understood by those of skill in the art that this technical scheme is also in protection scope of the present invention.
Additional aspect of the present invention and advantage become obvious by description part below, or are recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the perspective view of degerming area source of the present invention;
Fig. 2 is the structure for amplifying schematic diagram in A portion in Fig. 1;
Fig. 3 is the structural representation of lamp bar of the present invention;
Fig. 4 is the sectional structure schematic diagram of refrigerator of the present invention.
Wherein, the corresponding relation in Fig. 1 to Fig. 4 between Reference numeral and component names is:
100 degerming area sources, 10 lamp bars, 11 illuminating lamps, 12 degerming lamps, 20 light guide plates, 21 catalyst coats, 22 diffuse reflectors, 23 side wall surfaces, 200 refrigerators, 210 cavity components, 211 air duct cover boards, 212 container cavities, 220 bodies;
Wherein, in figure, arrow represents the direction of propagation of light in light guide plate.
Detailed description of the invention
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
Referring to Fig. 1 to Fig. 4, degerming area source 100 according to some embodiments of the invention and refrigerator 200 are described.
As shown in Figure 1 to Figure 3, the degerming area source 100 that the embodiment of first aspect present invention provides, is arranged in refrigerator 200, comprises: light guide plate 20 and light source.
Particularly, light source is arranged on light guide plate 20, and the light that light source sends enters light guide plate 20 and outer surface through light guide plate 20 is launched; Wherein, the outer surface of light guide plate 20 is provided with catalyst coat 21, catalyst coat 21 can absorb the light that light source sends and carry out degerming.
The degerming area source 100 that the embodiment of first aspect present invention provides, comprise light source and light guide plate 20, after the light that light source sends enters light guide plate 20, efficient propagation in light guide plate 20, then launch from the outer surface of light guide plate 20, thus achieve the effect of area source, the light thus sent is even and soft, overlayable region is more extensive, reaches high-end illuminating effect; Light guide plate 20 is provided with catalyst coat 21, catalyst coat 21 effectively can kill various bacteria after accepting enough illumination effects, thus easily solves the degerming problem of refrigerator 200.In addition, only this degerming area source 100 need being fixed in the cavity of refrigerator 200, and replacing lighting device traditional in refrigerator 200, without the need to increasing extra device or other harsh conditions, also not needing the structure changing refrigerator 200, simple and convenient.
In some embodiments of the invention, as shown in figures 1 and 3, light source is lamp bar 10, and lamp bar 10 is arranged on the side wall surface 23 of light guide plate 20.
In these embodiments, light source is set to lamp bar 10, namely adopt line source as the light source of degerming area source 100, line source is compared to spot light, the light sent is more even, and intensity is higher, can irradiation area more extensive, therefore the light entered in light guide plate 20 is also more even, and illuminating effect is better; Simultaneously, lamp bar 10 is arranged on the side wall surface 23 of light guide plate 20, then light is gone out from the plate face of light guide plate 20 and other side-emitted, thus the outer surface maximally utilising light guide plate 20 carries out the transmitting of light, make illuminating effect more excellent on the one hand, also ensure that catalyst coat 21 can receive enough illumination on the other hand, thus make bactericidal effect more excellent.
Certainly; light source also can be spot light; also light source can be arranged on the plate face of light guide plate 20; still can forming surface light source after light guide plate 20 is changed; the object of sterilization and illumination can be realized equally; therefore it will be understood by those of skill in the art that these technical schemes are also in protection scope of the present invention.
In some embodiments of the invention, as shown in Figure 3, lamp bar 10 comprises illuminating lamp 11 and degerming lamp 12.
In these embodiments, because not all light all can make catalyst coat 21 play bactericidal action, also not all light is all visible for illumination, thus lamp bar 10 is set and comprises illuminating lamp 11 and degerming lamp 12 two kinds of light sources, the light that illuminating lamp 11 sends is visible ray, only play illuminating effect, the light that degerming lamp 12 sends is then for exciting catalyst coat 21 to make it play sterilizing function, two kinds of light sources are set so respectively, Each performs its own functions for two kinds of light sources, high-end illuminating effect can either be ensured, effective bactericidal effect can be ensured again, significantly improve the dependability of degerming area source 100.
Certainly; also can a kind of light source be only set; the only visible ray that this light source sends; be enough to excite catalyst coat 21 to play sterilizing function simultaneously; thus illuminating effect and bactericidal effect has been had concurrently; object of the present invention can be realized equally, it will be understood by those of skill in the art that this technical scheme is also in protection scope of the present invention.
In some embodiments of the invention, as shown in Figure 3, lamp bar 10 comprises multiple illuminating lamp 11 and multiple degerming lamp 12, and multiple illuminating lamp 11 and multiple degerming lamp 12 are crisscross arranged.
In these embodiments, because lamp bar 10 has certain length, multiple illuminating lamp 11 and multiple bactericidal lamp are set respectively, and be crisscross arranged, the light that can ensure to enter each position of light guide plate 20 all has some strength and more even, and then the light making light guide plate 20 emit is also more even, such one side makes illuminating effect more evenly soft, ensure that the catalyst coat 21 at each position also can receive illumination effect enough uniformly, to ensure that the catalyst coat 21 at each position all effectively can play bactericidal action simultaneously.
In some embodiments of the invention, illuminating lamp 11 is LED, and degerming lamp 12 is uviol lamp; And/or catalyst coat 21 is photocatalyst of titanium dioxide coating; And/or light guide plate 20 is acrylic board or quartz plate.
In these embodiments, adopt LED as illuminating lamp 11, good illumination effect, and energy consumption is low; Adopt uviol lamp as degerming lamp 12, bacteria-eliminating efficacy is good, and cost is low, and when adopting uviol lamp, catalyst coat 21 can absorb ultraviolet, thus reduces uviol lamp to the impact of refrigerator 200 miscellaneous part.
Adopt photocatalyst of titanium dioxide coating as catalyst coat 21, be preferably the photocatalyst coating of Nano titanium dioxide ultramicron, it can excite generation electron-hole pair when receiving enough optical energy irradiations, i.e. photo-generated carrier, then move to rapidly its surface and activate by the oxygen that adsorbs and moisture, produce active free hydroxy (OH) and active oxygen (O), when pollutant and bacterial adsorption are on its surface, chain type degradation reaction will be there is, thus play effective bactericidal action.
Acrylic board or quartz plate all have good transparency, possess excellent optical property, all can meet the requirement of light guide plate 20.Particularly, when the wavelength of light that degerming lamp 12 sends is at more than 400nm, adopt acrylic light guide plate 20, with low cost, accordingly, catalyst coat 21 adopts modifying titanium dioxide coating; When the wavelength of light that degerming lamp 12 sends is at below 400nm, adopt the quartz plate that penetrating light intensity is strong, and photocatalyst coating adopts ordinary titanium dioxide coating.
Certainly; those skilled in the art is to be understood that; the kind of illuminating lamp 11 is not limited to LED; can be other illuminating lamps 11; the kind of degerming lamp 12 is not limited to uviol lamp; it can be visible lamp; the kind of catalyst coat 21 is also not limited to photocatalyst of titanium dioxide coating; the kind of light guide plate 20 is also not limited to acrylic board or quartz plate; as long as corresponding function can be realized; will not enumerate at this, but these technical schemes all do not depart from aim of the present invention, therefore all in protection scope of the present invention.
In some embodiments of the invention, as shown in Figure 2, a plate face of light guide plate 20 is provided with diffuse reflector 22, another plate face of light guide plate 20 is provided with catalyst coat 21.
In these embodiments, two plate faces of light guide plate 20 arrange catalyst coat 21 and diffuse reflector 22 respectively, catalyst coat 21 realizes sterilizing function for absorbing luminous energy, the light that diffuse reflector 22 can make light guide plate 20 send is more even, thus promotes illuminating effect and bactericidal effect further; Catalyst coat 21 and diffuse reflector 22 are separately positioned on two plate faces of light guide plate 20 because the plate mask of light guide plate 20 has larger area, can make like this illuminating effect and bactericidal effect more remarkable.
In some embodiments of the invention, as depicted in figs. 1 and 2, diffuse reflector 22 covers a plate face of light guide plate 20 completely, and catalyst coat 21 covers another plate face of light guide plate 20 completely.
In these embodiments, make catalyst coat 21 and diffuse reflector 22 cover two plate faces of light guide plate 20 completely, make the bactericidal effect of light guide plate 20 and illuminating effect all obtain optimization.
As shown in Figure 4, the refrigerator 200 that the embodiment of second aspect present invention provides, comprising: cavity components 210, door body 220, degerming area source 100 any one of above-mentioned first aspect embodiment and control module (not shown).
Particularly, cavity components 210 has the container cavity 212 of one end open; Door body 220 is connected with cavity components 210, is used to open or close container cavity 212; Degerming area source 100 is arranged on cavity components 210, and is positioned at container cavity 212, and the bacterium in container cavity 212 can be adsorbed on the catalyst coat 21 of degerming area source 100; Control module is electrically connected with degerming area source 100, opens for controlling degerming area source 100 or closes.
The refrigerator 200 that the embodiment of second aspect present invention provides, because being provided with the degerming area source 100 of any one in above-mentioned first aspect embodiment in container cavity 212, thus has high-end illuminating effect, and easily solves sterilization problem.
In some embodiments of the invention, as shown in Figure 4, cavity components 210 comprises air duct cover board 211, air duct cover board 211 is provided with air outlet and air inlet, one plate face of degerming area source 100 is fixed on air duct cover board 211, and another plate face is provided with catalyst coat 21.
In these embodiments, degerming area source 100 is arranged on air duct cover board 211, and one plate face is fixedly connected with air duct cover board 211, the installation of the degerming area source of such one side 100 only takies the very little space of container cavity 212, the placement of food can not be affected, on the other hand without the need to dismounting, convenient and swift; In addition, air duct cover board 211 is provided with air outlet and air inlet, and the speed air flow thus near air duct cover board 211 is very fast, can effectively drive the air on degerming area source 100 surface to flow, and then promotes bacteria-eliminating efficacy.
In some embodiments of the invention, the light source of degerming area source 100 is lamp bar 10, and lamp bar 10 comprises illuminating lamp 11 and degerming lamp 12, and control module comprises lighting control unit and degerming control unit; Wherein, lighting control unit is electrically connected with illuminating lamp 11, open, and control illuminating lamp 11 is closed when door body 220 is closed to control illuminating lamp 11 when door body 220 is opened; Degerming control unit is electrically connected with degerming lamp 12, with close at door body 220 and the refrigeration fan of refrigerator 200 is opened time control degerming lamp 12 and open, or control degerming lamp 12 batch (-type) when door body 220 is closed and open.
In these embodiments, unlatching or the closedown of illuminating lamp 11 and degerming lamp 12 is controlled respectively by lighting control unit and degerming control unit, can ensure that illuminating lamp 11 and degerming lamp 12 are all opened on suitable opportunity or closed, thus both ensure that the realization of illumination functions and sterilizing function, waste or the unnecessary harm of energy consumption can be avoided again.
Particularly, lighting control unit controls illuminating lamp 11, makes it open when refrigerator 200 bodies 220 are opened, and to facilitate user to pick and place food, does not then need to open when door body 220 is closed, thus avoids energy consumption waste; Degerming control unit controls degerming lamp 12, preferably, makes it just open when door body 220 is closed, because when door body 220 is closed, form confined space in container cavity 212, bactericidal effect can be made better, can also avoid adopting uviol lamp to work the mischief to human body as ultraviolet during degerming lamp 12 simultaneously.
Further, degerming lamp 12 can be made when door body 220 is closed and refrigeration fan interlock, synchronous unlatching or closedown, due to refrigeration fan open time, the rapid air movement in container cavity 212 can be made, and then accelerate bacterial adsorption to the speed on catalyst coat 21, the bacteria-eliminating efficacy of degerming area source 100 is significantly improved, or, degerming lamp 12 batch (-type) is allowed to open, like this, in the time that degerming lamp 12 is opened, can carry out efficiently degerming to container cavity 212, bacterial number is significantly reduced, then degerming lamp 12 is closed, treat through after a period of time, when bacterial number in container cavity 212 is elevated to certain level again, again open degerming lamp 12, carry out the intensive degerming of next round, so both ensure that degerming area source 100 can play effective bacteria-eliminating efficacy to container cavity 212, turn improve the degerming efficiency of degerming area source 100, avoid the energy consumption waste that degerming lamp 12 still continues when low bacteria levels to open.
Certainly, if degerming lamp 12 is uviol lamp, because ultraviolet is harmful, thus when door body 220 is opened, degerming lamp 12 must be closed; But if degerming lamp 12 is visible lamp, because visible ray is harmless, thus degerming lamp 12 also can be opened when door body 220 is turned on, it will be understood by those of skill in the art that this technical scheme is also in protection scope of the present invention.
In sum, degerming area source provided by the invention, by arranging light guide plate, the light that spot light or line source are sent can reach the radiation response of area source, thus softer, and can cover larger region, reaches high-end illuminating effect; By arranging catalyst coat on the plate face of light guide plate, utilizing catalyst coat to absorb the principle of luminous energy kill bacteria, thus easily solving the degerming problem of refrigerator.
Specifically, there is various problem in the existing sterilization technology be applied on refrigerator; And degerming area source provided by the invention, comprise light source and light guide plate, after the light that light source sends enters light guide plate, efficient propagation in light guide plate, then launch from the outer surface of light guide plate, thus achieve the effect of area source, the light thus sent is even and soft, overlayable region is more extensive, reaches high-end illuminating effect; Light guide plate is provided with catalyst coat, and catalyst coat effectively can kill various bacteria after accepting enough illumination effects, thus easily solves the degerming problem of refrigerator.In addition, only this degerming area source need being fixed in the cavity of refrigerator, and replacing lighting device traditional in refrigerator, without the need to increasing extra device or other harsh conditions, also not needing the structure changing refrigerator, simple and convenient.
In the present invention, term " first ", " second " object only for describing, and instruction or hint relative importance can not be interpreted as; Term " multiple " then refers to two or more, unless otherwise clear and definite restriction.The term such as term " installation ", " being connected ", " connection ", " fixing " all should be interpreted broadly, and such as, " connection " can be fixedly connected with, and also can be removably connect, or connects integratedly; " being connected " can be directly be connected, and also indirectly can be connected by intermediary.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the description of this description, specific features, structure, material or feature that the description of term " embodiment ", " some embodiments ", " specific embodiment " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a degerming area source, is arranged in refrigerator, it is characterized in that, comprising:
Light guide plate; With
Light source, described light source is arranged on described light guide plate, and the light that described light source sends enters described light guide plate and outer surface through described light guide plate is launched;
Wherein, the outer surface of described light guide plate is provided with catalyst coat, described catalyst coat can absorb the light that described light source sends and carry out degerming.
2. degerming area source according to claim 1, is characterized in that,
Described light source is lamp bar, and described lamp bar is arranged on the side wall surface of described light guide plate.
3. degerming area source according to claim 2, is characterized in that,
Described lamp bar comprises illuminating lamp and degerming lamp.
4. degerming area source according to claim 3, is characterized in that,
Described lamp bar comprises multiple described illuminating lamp and multiple described degerming lamp, and multiple described illuminating lamp and multiple described degerming lamp are crisscross arranged.
5. degerming area source according to claim 3, is characterized in that,
Described illuminating lamp is LED, and described degerming lamp is uviol lamp; And/or
Described catalyst coat is photocatalyst of titanium dioxide coating; And/or
Described light guide plate is acrylic board or quartz plate.
6. degerming area source according to any one of claim 1 to 5, is characterized in that,
One plate face of described light guide plate is provided with diffuse reflector, another plate face of described light guide plate is provided with described catalyst coat.
7. degerming area source according to claim 6, is characterized in that,
Described diffuse reflector covers a plate face of described light guide plate completely, and described catalyst coat covers another plate face of described light guide plate completely.
8. a refrigerator, is characterized in that, comprising:
Cavity components, described cavity components has the container cavity of one end open;
Men Ti, is connected with described cavity components, is used to open or close described container cavity;
Degerming area source according to any one of claim 1 to 7, is arranged on described cavity components, and is positioned at described container cavity, and the bacterium in described container cavity can be adsorbed on the catalyst coat of described degerming area source; With
Control module, is electrically connected with described degerming area source, opens for controlling described degerming area source or closes.
9. refrigerator according to claim 8, is characterized in that,
Described cavity components comprises air duct cover board, described air duct cover board is provided with air outlet and air inlet, and a plate face of described degerming area source is fixed on described air duct cover board, and another plate face is provided with described catalyst coat.
10. refrigerator according to claim 8, is characterized in that,
The light source of described degerming area source is lamp bar, and described lamp bar comprises illuminating lamp and degerming lamp, and described control module comprises lighting control unit and degerming control unit;
Wherein, described lighting control unit is electrically connected with described illuminating lamp, opens, and control the closedown of described illuminating lamp when described door body is closed to control described illuminating lamp when described door body is opened;
Described degerming control unit is electrically connected with described degerming lamp, opens to control described degerming lamp when described door body is closed and the refrigeration fan of described refrigerator is opened, or controls described degerming lamp batch (-type) unlatching when described door body is closed.
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| CN201511029100.8A CN105466141A (en) | 2015-12-30 | 2015-12-30 | Sterilization surface light source and refrigerator |
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| CN201511029100.8A CN105466141A (en) | 2015-12-30 | 2015-12-30 | Sterilization surface light source and refrigerator |
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| CN110433655A (en) * | 2019-08-19 | 2019-11-12 | 中国商用飞机有限责任公司 | Photocatalyst core assembly and photocatalyst purification device |
| CN111322819A (en) * | 2020-03-10 | 2020-06-23 | 长虹美菱股份有限公司 | Non-side-frame acrylic light guide lighting device for refrigerator and manufacturing process thereof |
| CN111789975A (en) * | 2020-07-29 | 2020-10-20 | 固安翌光科技有限公司 | Disinfection and sterilization device in vehicle |
| EP4171665A4 (en) * | 2020-06-24 | 2024-07-10 | Shanghai yanfeng jinqiao automotive trim systems co ltd | Vehicle interior component |
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Application publication date: 20160406 |