CN101858547A - Ceiling energy-saving lamp with functions of removing formaldehyde, killing bacteria, eliminating smoke and removing dust - Google Patents
Ceiling energy-saving lamp with functions of removing formaldehyde, killing bacteria, eliminating smoke and removing dust Download PDFInfo
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- CN101858547A CN101858547A CN 201010165115 CN201010165115A CN101858547A CN 101858547 A CN101858547 A CN 101858547A CN 201010165115 CN201010165115 CN 201010165115 CN 201010165115 A CN201010165115 A CN 201010165115A CN 101858547 A CN101858547 A CN 101858547A
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Abstract
The invention relates to a ceiling energy-saving lamp with functions of removing formaldehyde, killing bacteria, eliminating smoke and removing dust, which is provided with an energy-saving lamp; a lamp housing, a lampshade and a rear cover which are made of polycarbonate material; a plurality of negative ion generators mounted in thin-walled slot holes on the periphery of the back surface of the lamp housing; and cylindrical catalytic activated carbon plates which are embedded in gaps between the negative ion generators and the thin-walled slot holes and used for adsorbing harmful substances in the air. A carbon brush at the high-voltage line end part of the negative ion generators penetrates cylindrical boss through holes on the periphery of the front surface of the lamp and extends to the front surface of the lamp; and an outer cover at the end part of the carbon brush comprises a conical plastic stuffy cover for playing the roles of clamping and decorating, and a plurality of small holes on the side surface are used for air flow. A nano-photocatalyst (TiO2) is sprayed on the inner surface and the outer surface of the lamp housing. An environment-friendly part of the lamp can not only purify indoor air, eliminate formaldehyde, kill bacteria, eliminate smoke and remove dust, and well solve the indoor pollution problems caused by decoration, smoke and the like, but also produce a large number of negative ions and improve the living and working environment of people.
Description
Technical field
The present invention relates to a kind of environment protecting and power-saving light fixture of novel structure, exactly, relate to a kind of air cleaner that is equiped with a plurality of anion generators and constitutes, and spray nanometer light catalyst TiO at the surfaces externally and internally of lamp casing, lampshade and bonnet by the active carbon plate of cylindrical catalytic
2Thereby, have the ceiling energy-saving lamp of removing formaldehyde, sterilization and smoke abatement and dust control function, belong to the technical field of energy-saving lighting lamp.
Background technology
In recent years, along with the adjustment of national industrial policies, and advocate energetically energy-conservation, reduce discharging, green illumination theory efficiently.The application of the energy-saving lighting lamp of environmental protection more and more has been subjected to the attention of various circles of society and has been developed rapidly.
Along with the progress with the epoch of developing rapidly of industrial and agricultural production, the environmental pollution in cities and towns and rural area has the trend that is on the rise, and people worry more and more whether oneself work and the surrounding environment of life meet health and healthy environment protection requirement.So panoramic various daily necessitiess with environmental protection all can be subjected to the town and country common people's extensive welcome usually.
Negative aeroion can reduce from the active oxygen of generations such as the pollutant of atmosphere, nitrogen oxide and cigarette, and makes air cleaning.Anion can also be facilitated the synthetic and vitamin storage of human body, strengthens the physiological activity with human activin, so it is otherwise known as " air vitamin ", thinks as the vitamin in the food, and the vital movement of human body and other biological is had very important influence.For example after the thunderstorm, airborne anion is understood showed increased, and people just feel happy and expression Kang Yi.
Behind a series of purified treatment and very long ventilation shaft, airborne anion almost all disappears, therefore, people enter the room of just having fitted up or stop in the air-conditioned room for a long time, will feel that uncomfortable in chest, dizzy, weak, operating efficiency and health status descend, and are called as " air conditioner comprehensive disease ".In medical circle, confirmed the function that anion has killing pathogenic bacteria and purifies air.Medical research shows that electronegative particulate can increase the oxygen content in the blood in the air, helps conveying, absorption and the utilization of blood oxygen, and the metabolism of the human body of promotion is arranged, and improves the human immunological competence, strengthens the effect that human body flesh can and be regulated the human body function balance.According to textual criticism, anion is to seven systems of human body, and nearly more than 30 kinds of diseases all have inhibition, alleviation and supplemental treatment effect, and is especially more obvious to the health-care effect of human body.
Existing research data shows that the people needs about 13,000,000,000 anions every day usually, and in people's living quarter, in the living environments such as office or public place of entertainment, can only provide about 1～2,000,000,000.Huge contrast between this supply and demand is easy to cause the respiratory disorder of pneumonia and tracheitis.And in the air-conditioning system room of central heating and air-cooling system, situation is more serious: anion often is purged, and the carpet of synthetic fibers also all has positive charge, absorbs anion easily; Reinforcing bar and fiberboard also all absorb anion.
Therefore, how to develop a kind of lighting that is equiped with anion generator, make this lighting can produce a large amount of anions, remedy the poor environment of famine anion in present office space or the living quarter, just become the new problem of scientific and technical personnel's concern in the industry.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of ceiling energy-saving lamp of removing formaldehyde, sterilization and smoke abatement and dust control function that has, this apparatus structure is simple, and is easy to manufacture, obvious energy conservation; Especially this light fixture is equiped with air cleaner and other environmental protection parts of a plurality of anion generators, catalytic activity carbon plate composition, can produce a large amount of anions, purify the air of a room and remove formaldehyde, sterilization and smoke abatement and dust control, solve the difficult problem of famine anion in present office space or the living quarter preferably, made people's life and working environment obviously improve.
In order to achieve the above object, the invention provides a kind of ceiling energy-saving lamp of removing formaldehyde, sterilization and smoke abatement and dust control function that has, comprising: power saving fluorescent lamps, and the lamp casing, lampshade and the bonnet that adopt polycarbonate material to make; It is characterized in that, this light fixture also is provided with: be installed in a plurality of anion generators in the uniform a plurality of cylindricality thin-walled slotted eyes of lamp casing back side inboard groove periphery, be inlaid in the space between each anion generator and described thin-walled slotted eye, and be used for the column type catalytic activity carbon plate that comprises formaldehyde and benzene class harmful substance of absorbed air; The side of described lamp casing is provided with a plurality of breeder tubes that flow for air.
The carbon hairbrush clamping of the high-voltage line end of described anion generator is in the fastening pawl plug of the plastics of cone, be packed near the described thin-walled slotted eye small through hole by the fastening pawl plug of these plastics again, make the carbon hairbrush of high-voltage line end pass through this small through hole and reach the light fixture front.
The quantity of described anion generator is 2～12.
Described lamp casing front periphery is evenly equipped with a plurality of cylindrical bosses, the carbon hairbrush of high-voltage line end passes through the small through hole in the middle of each boss and reaches the light fixture front, has in the end housings of carbon hairbrush to play clamping and decoration function and be mounted in conical plastic stifle outside each boss; When the anion generator quantity of installing during, then there is not the carbon hairbrush to pass through and caulked has had decoration plug attractive in appearance, decoration function at the positive corresponding cylindrical boss small through hole of lamp casing less than the uniform cylindricality thin-walled slotted eye quantity of lamp casing back side periphery.
The power line of described a plurality of anion generators all and be connected to the terminals of the power wiring seat that has fuse, this power wiring seat is packed in the front of lamp casing.
Described bonnet is installed in the light fixture rear side, and anion generator is encapsulated in the lamp casing, is used for dustproof attractive in appearance.
The surfaces externally and internally of described lamp casing, lampshade and bonnet all is coated with nanometer light catalyst, is titanium dioxide TiO
2
Described power saving fluorescent lamps be adopt can be significantly energy-conservation 80%, colour rendering is good, light efficiency is high and the electricity-saving lamp light source of the three primary colours that the life-span is grown.
In a word, the present invention be a kind ofly integrate illumination, remove formaldehyde, fungus and mildew resistance, smoke abatement and dust control, manufacturing active oxygen, removing (finishing) peculiar smell, the new green environment protection energy-saving lamp of multiple function such as purify air, its major functions and features is as follows:
Superpower decomposition and smoke abatement and dust control: decompose airborne free formaldehyde, benzene, ammonia, TVOC organic matters such as (volatile organic matter general names) with anion generator, photocatalyst and catalytic activated carbon, also toxic gases such as decoration odor and carcinogenic substance are decomposed; Can effectively decompose daily airborne flue dust, smog, kitchen and greasy smell (effectively prevention " second-hand-cigarette " is to the harm of the person) again, protection effect is remarkable.
Sterilization remove mould with make active oxygen: bacteriums such as airborne Escherichia coli, staphylococcus aureus, Friedlander are had kill the effect of removing, infective virus is had inhibitory action, and mildew-resistant, anti-mildew are arranged, remove effects such as mould; Can also activate airborne oxygen molecule, make it more active and easily be absorbed by the body, effectively prevention " air conditioner disease " and communicable disease.
Improve PFT and sleep quality: after human body sucked anion, 20% oxygen can be inhaled more by lung, discharges 15% carbon dioxide more, strengthened lung capacity, strengthened the resistance of breathing problem; Improve sleep quality, delaying human body caducity makes the people in high spirits, increases work efficiency.
Vision protection: can in and the high-pressure electrostatic that produces of TV and computer, form one deck anion protective layer in its front, effectively reduce the injury of high-pressure electrostatic, pre-myopia prevention, and the infringement of minimizing dust to eyes.
Automatically cleaning and effect are lasting: this light fixture has automatically cleaning, exempts to clean, not sticking dust, the characteristics of non-secondary pollution.The photocatalyst surface coating has steady look, fixation function, can effectively prolong light fixture service life.Effective decomposition timeliness of photocatalyst is 5～8 years, and simultaneously, catalytic activated carbon was using about 1 year, uses repeatedly after can also cleaning with buck.
Other advantages of the present invention are: the light fixture back side is encapsulated in anion generator and miscellaneous part in the lamp body with bonnet, plays effect dustproof, attractive in appearance and increase lamp body intensity.Also can be according to the area size of field of employment, 2～12 anion generators are adorned in choosing arbitrarily: be elected to when adorning 4 anion generators work, positive all the other cylindrical bosses of 8 are just with decorative plastic plug (referring to Fig. 6) attractive in appearance its small through hole beyond the Great Wall, effectively indoor formaldehyde, benzene, ammonia, the TVOC pernicious gas of removing, and fungus and mildew resistance, smoke abatement and dust control.Light source uses the trichromatic energy saving lamp of the compact conformation of integrated design, can save 80% electric energy, and colour rendering is good, the light efficiency height, and the life-span reaches more than the 8000H, and has three kinds of different colour temperatures to use for different places.
Description of drawings
Fig. 1 (A), (B) are respectively total assembling structure of energy-saving lamp of the present invention and the front schematic view that the lamp casing of lampshade is installed.
Fig. 2 (A), (B) are respectively the schematic rear views of total assembling structure in the energy-saving lamp of the present invention back side and lamp casing.
Fig. 3 (A), (B) are respectively anion generator structural representation and the electrical schematic diagrams in the energy-saving lamp of the present invention.
Fig. 4 is the structural representation of the fastening pawl plug of cone shape plastics in the energy-saving lamp of the present invention.
Fig. 5 is the structural representation of the conical plastics stifle in the energy-saving lamp of the present invention.
Fig. 6 is the decoration plug structure schematic diagram in the energy-saving lamp of the present invention.
Fig. 7 is the structural representation of the power wiring seat in the energy-saving lamp of the present invention.
Fig. 8 is the structural representation of the circular catalytic activity carbon plate in the energy-saving lamp of the present invention.
Fig. 9 is the rear cover structure schematic diagram in the energy-saving lamp of the present invention.
The specific embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
Referring to Fig. 1 and other each accompanying drawings, specifically introduce the structure composition that the present invention has the ceiling energy-saving lamp of removing formaldehyde, sterilization and smoke abatement and dust control function:
This light fixture comprises power saving fluorescent lamps 1, the lamp casing 5, the lampshade 2 and bonnet 9 (referring to Fig. 9) that adopt polycarbonate material to make, be installed in a plurality of anion generators 3 (referring to Fig. 3) of uniform a plurality of cylindricality thin-walled slotted eyes 53 (referring to Fig. 2) lining of lamp casing 5 back side inboard groove peripheries, be inlaid in the space between each anion generator 3 and the thin-walled slotted eye 53, and be used for the column type catalytic activity carbon plate 8 (referring to Fig. 8) that comprises formaldehyde and benzene class harmful substance of absorbed air.Lamp casing 5 positive peripheries wherein are evenly equipped with a plurality of cylindrical bosses 52, the high-voltage line end carbon hairbrush 31 of anion generator 3 passes through the small through hole in the middle of each boss 52 and reaches the light fixture front, end housings at carbon hairbrush 31 has conical plastic stifle 4 (referring to Fig. 5), play clamping and decoration function, and build-in is positioned at the outside of each boss 52.The side of lamp casing 5 is provided with a plurality of breeder tubes 51 that flow for air, and the surfaces externally and internally of lamp casing 5, lampshade 2 and bonnet 9 all is coated with nanometer light catalyst, is titanium dioxide TiO
2
High-voltage line end carbon hairbrush 31 clampings of anion generator 3 are in the fastening pawl plugs 6 of the plastics of cone (referring to Fig. 4) lining, be packed near the thin-walled slotted eye 53 small through hole 54 (annotate: this small through hole 54 is the same aperture that directly is communicated with the small through hole of cylinder boss 52) by the fastening pawl plug 6 of plastics again, make the carbon hairbrush 31 of high-voltage line end pass through the small through hole of cylinder boss 52 and reach the light fixture front.The 32nd, the power line of anion generator 3.
The quantity of anion generator is 2～12, can be equipped according to user's request.When the quantity of the anion generator of installing 3 during less than uniform cylindricality thin-walled slotted eye 53 quantity of lamp casing back side periphery, then when positive corresponding cylindrical boss 52 small through hole of lamp casing do not have the carbon hairbrush to pass through, have with regard to caulked to play decoration plug 7 (referring to Fig. 6) attractive in appearance, decoration function.The power line of a plurality of anion generators 3 all and be connected to the terminals (referring to Fig. 7) of the power wiring seat 8 that has fuse, this power wiring seat 8 is packed in the front of lamp casing 5.Bonnet 9 is installed in the light fixture back, and anion generator is encapsulated in the lamp casing, is used for dustproof attractive in appearance.
The present invention is a kind of ceiling energy-saving lamp of removing formaldehyde, sterilization and smoke abatement and dust control function that has, its operation principle of brief description and functional characteristics below:
When people turn on light illumination, a plurality of anion generators are just worked simultaneously, the anion phenomenon that produces when its operation principle and nature " thunder, lightning " is consistent, that is: anion generator rises to negative direct current high voltage with low-voltage by booster circuit, utilize most advanced and sophisticated high direct voltage to produce corona again, radiate a large amount of electronics at a high speed, because of electronics can't be stored for a long time (its life span is very short in air, have only the nS level), immediately can be by airborne oxygen molecule (O
2) catch, form negative oxygen ion.Innovation part of the present invention is to utilize light radiation and fluctuation effect, can further activate the activity of negative oxygen ion, help negative oxygen ion to be diffused into the whole interior space quickly and evenly, bacterium is (as Escherichia coli in negative oxygen ion and air, mould, mite etc.) cell in conjunction with after, change the bacterium internal structure and cause its death; And pellets such as smog in the air, pernicious gas, floating dust and pollen are gathered together, and carry out nontoxic reaction decomposes, come off until natural subsidence, thereby reach the ideal effect that purifies air and do not produce secondary pollution.Wherein electronegative negative oxygen ion with swim in smog dust positively charged in the air and carry out electrode neutralization, it deposited naturally and eliminated airborne smog.Because the present invention is equiped with the anion generator of a plurality of parallel connections, increased airborne negative oxygen ion content to greatest extent, fresh air uses the trichromatic energy saving lamp as lighting source simultaneously, and whole light fixture is a Green Product, obvious energy conservation.
Each anion generator and the space of installing between the slotted eye are nested with circular catalytic activity carbon plate (referring to Fig. 8), catalytic activated carbon is the physically activated last word that combines with chemical modifying process, it be pure with quality, intensity is high, surface area is big, the activated carbon that generates based on the physical activation method of microcellular structure is a carrier, through chemical modifying process appropriate amount of catalysts is deposited to that in the macropore of activated carbon (the activated carbon macropore plays channeling in physical adsorption process) generates again.The oxygen-containing functional group of the activated carbon surface after the modification significantly improves, and the physical absorption ability is improved significantly.Simultaneously, the catalyst that is deposited in the activated carbon macropore can be brought into play the catalytic reduction effect, with part pernicious gas after chemical reaction becoming carbon dioxide and water, thereby removes formaldehyde, benzene, ammonia, TVOC pernicious gases such as (volatile organic matters) effectively.
The surfaces externally and internally of lamp casing, lampshade and bonnet all is coated with the photosemiconductor material that possesses photo-catalysis function: nanometer light catalyst, i.e. TiO
2It is the current a kind of ideal material of administering indoor environmental pollution in the world.Photocatalyst TiO
2Under the irradiation of natural daylight and houselights, can produce similar photosynthetic light-catalyzed reaction, produce extremely strong free hydroxy and the active oxygen of oxidability, very strong photooxidation restoring function is arranged, various organic compounds of oxidable decomposition and part inorganic matter, can destroy the cell membrane of bacterium and solidify the protein of virus, but also kill bacteria and decomposing organic pollutant resolve into free of contamination water (H to organic pollution
2O) and carbon dioxide (CO
2), the airborne free formaldehyde of the while potent decomposition of energy, benzene, ammonia, TVOC organic matters such as (volatile organic matter general names), thereby have extremely strong sterilization, deodorizing, mildew-resistant, anti-fouling and self-cleaning, air purification function.
In addition, photocatalyst is to utilize airborne oxygen molecule and hydrone, and the organic matter that is contacted is converted to carbon dioxide and water, self does not also change, but can promote a kind of material of chemical reaction, its theoretic effective life, is very permanent, and but maintenance cost is low.Simultaneously, titanium dioxide itself is nontoxic, has been widely used in various fields such as food, medicine, illumination.
In a word, the present invention has trial-produceed model machine successfully, and has carried out implementing test, and the result of test is successful, has realized goal of the invention.
Claims (8)
1. one kind has the ceiling energy-saving lamp of removing formaldehyde, sterilization and smoke abatement and dust control function, comprising: power saving fluorescent lamps, and the lamp casing, lampshade and the bonnet that adopt polycarbonate material to make; It is characterized in that, this light fixture also is provided with: be installed in a plurality of anion generators in the uniform a plurality of cylindricality thin-walled slotted eyes of lamp casing back side inboard groove periphery, be inlaid in the space between each anion generator and described thin-walled slotted eye, and be used for the column type catalytic activity carbon plate that comprises formaldehyde and benzene class harmful substance of absorbed air; The side of described lamp casing is provided with a plurality of breeder tubes that flow for air.
2. ceiling energy-saving lamp according to claim 1, it is characterized in that: the carbon hairbrush clamping of the high-voltage line end of described anion generator is in the fastening pawl plug of the plastics of cone, be packed near the described thin-walled slotted eye small through hole by the fastening pawl plug of these plastics again, make the carbon hairbrush of high-voltage line end pass through this small through hole and reach the light fixture front.
3. ceiling energy-saving lamp according to claim 1 is characterized in that: the quantity of described anion generator is 2～12.
4. according to claim 1 or 3 described ceiling energy-saving lamps, it is characterized in that: described lamp casing front periphery is evenly equipped with a plurality of cylindrical bosses, the carbon hairbrush of high-voltage line end passes through the small through hole in the middle of each boss and reaches the light fixture front, has in the end housings of carbon hairbrush to play clamping and decoration function and be mounted in conical plastic stifle outside each boss; When the anion generator quantity of installing during, then there is not the carbon hairbrush to pass through and caulked has had decoration plug attractive in appearance, decoration function at the positive corresponding cylindrical boss small through hole of lamp casing less than the uniform cylindricality thin-walled slotted eye quantity of lamp casing back side periphery.
5. ceiling energy-saving lamp according to claim 1 is characterized in that: the power line of described a plurality of anion generators all and be connected to the terminals of the power wiring seat that has fuse, this power wiring seat is packed in the front of lamp casing.
6. ceiling energy-saving lamp according to claim 1 is characterized in that: described bonnet is installed in the light fixture rear side, and anion generator is encapsulated in the lamp casing.
7. ceiling energy-saving lamp according to claim 1 is characterized in that: the surfaces externally and internally of described lamp casing, lampshade and bonnet all is coated with nanometer light catalyst, is titanium dioxide TiO
2
8. ceiling energy-saving lamp according to claim 1 is characterized in that: described power saving fluorescent lamps be adopt can be significantly energy-conservation 80%, colour rendering is good, light efficiency is high and the electricity-saving lamp light source of the three primary colours that the life-span is grown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010165115 CN101858547A (en) | 2010-04-30 | 2010-04-30 | Ceiling energy-saving lamp with functions of removing formaldehyde, killing bacteria, eliminating smoke and removing dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010165115 CN101858547A (en) | 2010-04-30 | 2010-04-30 | Ceiling energy-saving lamp with functions of removing formaldehyde, killing bacteria, eliminating smoke and removing dust |
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|---|---|
| CN101858547A true CN101858547A (en) | 2010-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010165115 Pending CN101858547A (en) | 2010-04-30 | 2010-04-30 | Ceiling energy-saving lamp with functions of removing formaldehyde, killing bacteria, eliminating smoke and removing dust |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546430A (en) * | 2016-01-13 | 2016-05-04 | 成都佳美嘉科技有限公司 | High efficient heat dissipation ceiling lamp structure |
| CN108644917A (en) * | 2018-05-25 | 2018-10-12 | 浙江共展环保科技有限公司 | Multifunctional ceiling type air cleaning unit |
| CN110274170A (en) * | 2018-03-12 | 2019-09-24 | 常熟卓辉光电科技股份有限公司 | A kind of toilet's lamps and lanterns with sterilizing and self-cleaning function |
| CN112845401A (en) * | 2020-12-31 | 2021-05-28 | 山西清环能创环境科技有限公司 | UV light source installation and synergistic cleaning method |
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| US20050046356A1 (en) * | 2003-09-03 | 2005-03-03 | Kwak Donovan Dongsoon | Lighting apparatus for generating anions and purifying air |
| CN200952674Y (en) * | 2006-09-30 | 2007-09-26 | 吴振茂 | Suspension lamp set with air filtering function |
| CN201246643Y (en) * | 2008-07-17 | 2009-05-27 | 上海绿源电器有限公司 | Negative ion air cleaning ceiling lamp |
| CN201680256U (en) * | 2010-04-30 | 2010-12-22 | 铜陵三极照明科技有限责任公司 | Ceiling energy-saving lamp with functions of removing methanal, sterilizing and eliminating smoke and dust |
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2010
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2535661Y (en) * | 2001-12-09 | 2003-02-12 | 秦畅 | Light catalytic air-purifying ring-shape fluoreslcent lamp |
| US20050046356A1 (en) * | 2003-09-03 | 2005-03-03 | Kwak Donovan Dongsoon | Lighting apparatus for generating anions and purifying air |
| CN200952674Y (en) * | 2006-09-30 | 2007-09-26 | 吴振茂 | Suspension lamp set with air filtering function |
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| CN201680256U (en) * | 2010-04-30 | 2010-12-22 | 铜陵三极照明科技有限责任公司 | Ceiling energy-saving lamp with functions of removing methanal, sterilizing and eliminating smoke and dust |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546430A (en) * | 2016-01-13 | 2016-05-04 | 成都佳美嘉科技有限公司 | High efficient heat dissipation ceiling lamp structure |
| CN110274170A (en) * | 2018-03-12 | 2019-09-24 | 常熟卓辉光电科技股份有限公司 | A kind of toilet's lamps and lanterns with sterilizing and self-cleaning function |
| CN108644917A (en) * | 2018-05-25 | 2018-10-12 | 浙江共展环保科技有限公司 | Multifunctional ceiling type air cleaning unit |
| CN112845401A (en) * | 2020-12-31 | 2021-05-28 | 山西清环能创环境科技有限公司 | UV light source installation and synergistic cleaning method |
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Open date: 20101013 |