CN103203038B - Pocket-sized air freshener - Google Patents
Pocket-sized air freshener Download PDFInfo
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- CN103203038B CN103203038B CN201310114985.6A CN201310114985A CN103203038B CN 103203038 B CN103203038 B CN 103203038B CN 201310114985 A CN201310114985 A CN 201310114985A CN 103203038 B CN103203038 B CN 103203038B
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Abstract
The invention belongs to the field of air purification, and particularly relates to a pocket-sized air freshener. The pocket-sized air freshener integrates a negative ion generating system, a negative ion release system and an intelligent electrical system, and is compact in structure, small in volume and convenient to carry; the pocket-sized air freshener has the intelligent electrical properties including real-time monitoring, air information display, intelligent operation, plug and play and lithium-ion battery charge; the pocket-sized air freshener adopts fullerene electrocatalyst material to prepare a negative ion generating rod, and the electric ions of the fullerene electrocatalyst material are very easily dissociated and separated out; the ion generation and diffusion performances of the negative ion generating rod are far higher than those of the traditional ion generating rod; under the condition that a fan and a filter screen are not arranged, the negative ion diffusion radius is more than or equal to 4m; and the pocket-sized air freshener is not needed to be installed, is convenient to carry, can realize noiseless intelligent operation in the environment such as trip, an office and home, can actively kill PM2.5 harmful particulates in the air in a room, remove dust, deodorize and sterilize, and can refresh the indoor air to be the same as that of the natural ecological environment.
Description
Technical field
The invention belongs to air purification field, especially a kind of pocket air freshener.
Background technology
Sunlight, empty G&W are the key factors that on the earth, all biologies are depended on for existence, and air is wherein most important, because left air, all life phenomenon will terminate with water quickly than keeping out of the sun.People know that the oxygen and carbon dioxide in air is the necessary composition of mankind's gaseous metabolism very early.Further recognized again afterwards in air with electric charge biosphere is also had to very important impact.Research through nearly 70～80 years, finally progressively verify, each gas componant in atmosphere is not exclusively that the mode with molecule exists, wherein some exists with ionic condition, ion with electric charge have and just have negatively, its quantity can vary widely under different meteorologies and geographical conditions.The discovery of ionized air, has explained the problem of some climatic physiology aspect, and the subrange ionized air of manufacture of intraocular is provided is the theoretical basis of disease preventing and treating.At present, the mankind's health in environmental pollution serious threat, in the urgent need to purifying vivosphere, improves environmental sanitation, and air cleaning comes into one's own day by day, and become public place, the physical prophylaxis measure of school, industrial and mineral.Weather scientist and medical expert think, the haze weather being caused by fine particle is even larger than sandstorm to the harm of health.10 microns of above particulate matters of particle diameter, can be blocked in outside people's nose; The particulate matter of particle diameter between 2.5 microns to 10 microns, can enter upper respiratory tract, but part can excrete by sputum etc., relatively little to human health damage; And particle diameter is at the fine particle below 2.5 microns, diameter is equivalent to human hair's 1/10 size, can enter bronchus after being inhaled into human body, disturbs the gas exchange of pulmonary, causes the disease that comprises the aspects such as asthma, bronchitis and cardiovascular diseases.These granules can also enter blood by bronchus and alveolar, and harmful gas wherein, heavy metal etc. are dissolved in blood, larger to the injury of health.
Fullerene explanation of nouns: fullerene is a kind of allotrope of carbon.Any a kind of elementary composition by carbon, with spherical, ellipticity, or the material of tubular structure existence, can be called fullerene.Fullerene and graphite-structure are similar, but only have hexatomic ring in the structure of graphite, and may have five-membered ring in fullerene.Robert Curl in 1985 etc. have prepared C60.1989, the experiment of Germany scientist Huffman and Kraetschmer confirmed the cagelike structure of C60, and the fullerene that from then on physicist is found is pushed to a brand-new conceptual phase by scientific circles.The structure of fullerene is similar with the masterpiece of architect Fuller, so be called fullerene.Fullerene is the electric catalyst material that a kind of employing nanotechnology that approaches superconduction is manufactured, resistance is no better than zero, when electron ion is passed through this material, can produce powerful resonance effect, very easily electro-ionic free separating out, only need fainter electric current can discharge the anion of heavy dose, high-purity, high activity, small particle diameter, can form in space pure ecological anion field, unlike traditional ion releasable material, need very strong electric current as common carbon fibers metal etc.
The invention belongs to air purification field, especially a kind of pocket air freshener.Pocket air freshener, integrates anion generation systems, anion delivery system and intelligent electric system, and compact conformation, volume are small and exquisite, are easy to carry; Pocket air freshener, has Real-Time Monitoring, shows air data, the intelligent electric property of intelligent operation, lithium cell charging, plug and play; Pocket air freshener, adopting very easily electron ion to swim isolated fullerene electricity catalyst material makes anion rod occurs, significantly there is rod higher than traditional ion in the generation of ion and diffusion, in the situation that not establishing fan and filter screen, works, and anion diffusion radius is not less than 4 meters; Pocket air freshener, need not install, easy to carry, in travelling, office and environment at home, realize noiseless intelligence operation, initiatively kill PM2.5 deleterious particle, dedusting taste removal and sterilization in room air, the pure and fresh one-tenth of room air is equal to the ecological environment of the Nature.
The present invention's object is to disclose a kind of solar domestic metope machine to society.
The invention has the advantages that.
Technological precedence, energy efficiency is high.There is rod in the pocket air freshener core component anion of the art of this patent, adopt a kind of electric catalyst material that approaches the employing nanotechnology manufacture of superconduction of now collar point, its resistance is no better than zero, when electron ion is passed through this material, can produce powerful resonance effect, very easily electro-ionic free separating out, only needs fainter electric current can discharge the anion of heavy dose, high-purity, high activity, small particle diameter, can form in space pure ecological anion field.
Real-Time Monitoring, automatically operation.The pocket air freshener of the art of this patent, adopts Real-Time Monitoring, the intelligent technical scheme of automatically runing, and the environment of use pocket air freshener, forms pure ecological anion field.
Manufacture easyly, exploitation easily.The pocket air freshener of the art of this patent, is the innovation of theory and technology path, there is no high-leveled and difficult, complex fabrication process, is applicable to university students and has the enterprise development of general working condition to produce.
Volume is small and exquisite, uses flexibly.The core component of the pocket air freshener of the art of this patent, collection anion occurs and is released to one, compact conformation, need not install, easy to carry, in travelling, office and environment at home, realize noiseless intelligence operation, initiatively kill PM2.5 deleterious particle, dedusting taste removal and sterilization in room air, the pure and fresh one-tenth of room air is equal to the ecological environment of the Nature.
Environmental protection, energy-conservation carbon-free.A large amount of anion that discharge, have effectively improved user's residence environment, initiatively kill PM2.5 deleterious particle, dedusting taste removal and sterilization in room air, the pure and fresh one-tenth of room air are equal to the ecological environment of the Nature; From essence, improved the quality of life on basis the most.Adopt the electric catalyst material ion of nanotechnology manufacture that excellent pocket air freshener occurs, power consumption is economic, adopts especially solar energy as drive energy, energy-conservation carbon-free very clear.
Summary of the invention
Technical scheme of the present invention is to realize like this.
Pocket air freshener, comprising: anion generation systems (01), anion delivery system (02) and intelligent electric system (03) and body system (04); Described anion generation systems (01), comprise, anion filter (3), excellent upper electrode rings (7), anion generator (8), anion generation chamber (10), anion occur rod (11), anion annulus (14) occur, excellent bottom electrode ring (16) occurs; Described anion delivery system (02), comprises, front diffusion grid (1), anion diffuser casing (2), side diffusion grid (4); Described intelligent electric system (03), comprises, intelligent circuit board (17), rechargeable battery (18), transformator (21), mobile electric power plug (23); Described body system (04), comprise relay indicating light (5), filter position-limiting ear (6), ion concentration display screen (9), environmental probe (12), wire (13), switch (15), self-tapping screw 1(19), generator mount pad (20), back cover plate (22), self-tapping screw 2(24) and body (25); It is characterized in that: described pocket air freshener, collection anion generation systems (01), anion delivery system (02) and intelligent electric system (03) are in the one of body (25), and its outward appearance and volume are similar to the milk of 250ML brick type packaging; The front diffusion grid (1) of described anion delivery system (02), anion diffuser casing (2) and side spread grid (4), are positioned at the top of body (25); Described anion diffuser casing (2), receiving occurs from the anion generation chamber (10) that is positioned at the middle part of body (25), the anion filtering by anion filter (3); Described anion, realizes diffusion through being positioned at anion diffuser casing (2) front diffusion grid (1) and side diffusion grid (4) positive and two sides to operating environment; Anion generator (8) in described anion generation systems (01), is positioned at the middle part of body (25); Described anion generator (8), the structure of the flat type hollow posts that being makes progress opens, the position of hollow, is the installation cavity of anion filter (3); The top of described anion generator (8) inner side, is provided with filter position-limiting ear (6); Described anion filter (3), is subject to the restriction of filter position-limiting ear (6), makes to be arranged in the anion filter (3) of anion generator (8) inner chamber, has guaranteed installation correctness and steadiness; Described anion generator (8), by being positioned at the installing hole of anion generator (8) bottom, adopts self-tapping screw 2(24) screw togather with intelligent circuit board (17), form the integral body of anion generator (8); The profile of described anion filter (3), is slightly less than the inner chamber of anion generator (8), forms the gap of 2-3 millimeter between the two, and this gap forms the anion annulus (14) of generator; The inner chamber of described anion filter (3), is also hollow form, in the inner chamber of hollow, anion is installed rod (11) occurs.
There is rod (11) in described anion, adopts very easily electron ion to swim isolated fullerene electricity catalyst material and make; There are the two ends of rod (11) in described anion, is installed on respectively and excellent upper electrode rings (7) occurs and occur in excellent bottom electrode ring (16); Described generation rod upper electrode rings (7), is arranged on the inner side that is positioned at anion filter (3) top; Described generation rod bottom electrode ring (16), the hole of passing through being located on anion filter (3), is arranged on intelligent circuit board (17); Described generation rod upper electrode rings (7) and excellent bottom electrode ring (16) occurs be connected with the high-voltage DC power supply of transformator (21) through printed circuit and the wire (13) of intelligent circuit board (17); There is rod (11) in described anion, with be positioned at the generation rod upper electrode rings (7) of anion filter (3) upper inner, the generation rod bottom electrode ring (16) of bottom that is positioned at the generation rod bottom electrode ring (16) on intelligent circuit board (17) and is positioned at anion filter (3) through quantity and the position in hole, be over against the relation of answering.
Described intelligent circuit board (17), the negative ion concentration in the room air recording according to environmental probe (12), definite through comparing, commands relays J1 path, there is the energising of rod (11) two ends in anion, and anion generator (8) enters duty; Setting the working index that anion generator (8) opens and closes is: when environmental probe (12) records in air that negative ion concentration is 3000/cubic centimetre, anion generation systems (01) starts automatically, when in air, negative ion concentration is 8000/cubic centimetre, air freshening system (01) power cut-off automatically, realizes intelligence operation.
The middle part of described body (25) inner side, is provided with the generator mount pad (20) of anion generator (8); Described anion generator (8) is by self-tapping screw 1(19), anion generator (8) is fixed on a generator mount pad (20); The bottom of described anion filter (3), is provided with the hole of passing that rod (11) occurs anion; Described through hole, there is the effect that rod (11) occurs firm anion; The bottom of described body (25) inner side, is provided with intelligent circuit board (17), rechargeable battery (18) and transformator (21) in intelligent electric system (03); The bottom in described body (25) outside, is provided with the concealed installation position of mobile electric power plug (23), and mobile electric power plug (23), is installed on wherein; Described relay indicating light (5), ion concentration display screen (9), environmental probe (12) and switch (15), be positioned at the positive side of body (25); The bottom of described body (25), is provided with back cover plate (22), and described back cover plate (22) is by self-tapping screw 2(24), peace is fixed in the bottom of body (25), forms the integral body of pocket air freshener.
Described relay indicating light (5), is positioned at the positive below of pocket air freshener; Described relay indicating light (5), has the state of the work of informing in real time pocket air freshener.
Accompanying drawing explanation
Accompanying drawing 1 is perspective structure schematic diagram of the present invention.
The specific embodiment
The labelling title of Fig. 1 is: front diffusion grid (1), anion diffuser casing (2), anion filter (3), side diffusion grid (4), relay indicating light (5), filter position-limiting ear (6), there is excellent upper electrode rings (7), anion generator (8), ion concentration display screen (9), anion generation chamber (10), there is rod (11) in anion, environmental probe (12), wire (13), anion annulus (14), switch (15), there is excellent bottom electrode ring (16), intelligent circuit board (17), rechargeable battery (18), self-tapping screw 1(19), transformator (21), mobile electric power plug (23), self-tapping screw 2(24) and body (25).
Below in conjunction with accompanying drawing, describe the present invention in detail.
As shown in Figure 1, pocket air freshener, comprising: anion generation systems (01), anion delivery system (02) and intelligent electric system (03) and body system (04).
As shown in Figure 1, described anion generation systems (01), comprise, anion filter (3), excellent upper electrode rings (7), anion generator (8), anion generation chamber (10), anion occur rod (11), anion annulus (14) occur, excellent bottom electrode ring (16) occurs.
As shown in Figure 1, described anion delivery system (02), comprises, front diffusion grid (1), anion diffuser casing (2), side diffusion grid (4); Described intelligent electric system (03), comprises, intelligent circuit board (17), rechargeable battery (18), transformator (21), mobile electric power plug (23).
As shown in Figure 1, the body system (04) of stating, comprise relay indicating light (5), filter position-limiting ear (6), ion concentration display screen (9), environmental probe (12), wire (13), switch (15), self-tapping screw 1(19), generator mount pad (20), back cover plate (22), self-tapping screw 2(24) and body (25).
As shown in Figure 1, described pocket air freshener, collection anion generation systems (01), anion delivery system (02) and intelligent electric system (03) are in the one of body (25), and its outward appearance and volume are similar to the milk of 250ML brick type packaging.As shown in Figure 1, the front diffusion grid (1) of described anion delivery system (02), anion diffuser casing (2) and side spread grid (4), are positioned at the top of body (25).
As shown in Figure 1, described anion diffuser casing (2), receiving occurs from the anion generation chamber (10) that is positioned at the middle part of body (25), the anion filtering by anion filter (3); Described anion, realizes diffusion through being positioned at anion diffuser casing (2) front diffusion grid (1) and side diffusion grid (4) positive and two sides to operating environment.
As shown in Figure 1, the anion generator (8) in described anion generation systems (01), is positioned at the middle part of body (25); Described anion generator (8), the structure of the flat type hollow posts that being makes progress opens, the position of hollow, is the installation cavity of anion filter (3).
As shown in Figure 1, the top of described anion generator (8) inner side, is provided with filter position-limiting ear (6); Described anion filter (3), is subject to the restriction of filter position-limiting ear (6), makes to be arranged in the anion filter (3) of anion generator (8) inner chamber, has guaranteed installation correctness and steadiness.
As shown in Figure 1, described anion generator (8), by being positioned at the installing hole of anion generator (8) bottom, adopts self-tapping screw 2(24) screw togather with intelligent circuit board (17), form the integral body of anion generator (8); The profile of described anion filter (3), is slightly less than the inner chamber of anion generator (8), forms the gap of 2-3 millimeter between the two, and this gap forms the anion annulus (14) of generator.
As shown in Figure 1, the inner chamber of described anion filter (3), is also hollow form, in the inner chamber of hollow, anion is installed rod (11) occurs.
As shown in Figure 1, there is rod (11) in described anion, adopts very easily electron ion to swim isolated fullerene electricity catalyst material and make; There are the two ends of rod (11) in described anion, is installed on respectively and excellent upper electrode rings (7) occurs and occur in excellent bottom electrode ring (16); Described generation rod upper electrode rings (7), is arranged on the inner side that is positioned at anion filter (3) top.
As shown in Figure 1, described generation rod bottom electrode ring (16), the hole of passing through being located on anion filter (3), is arranged on intelligent circuit board (17); Described generation rod upper electrode rings (7) and excellent bottom electrode ring (16) occurs be connected with the high-voltage DC power supply of transformator (21) through printed circuit and the wire (13) of intelligent circuit board (17).
As shown in Figure 1, there is rod (11) in described anion, with be positioned at the generation rod upper electrode rings (7) of anion filter (3) upper inner, the generation rod bottom electrode ring (16) of bottom that is positioned at the generation rod bottom electrode ring (16) on intelligent circuit board (17) and is positioned at anion filter (3) through quantity and the position in hole, be over against the relation of answering.
As shown in Figure 1, described intelligent circuit board (17), the negative ion concentration in the room air recording according to environmental probe (12), definite through comparing, commands relays J1 path, there is the energising of rod (11) two ends in anion, and anion generator (8) enters duty.
As shown in Figure 1, described intelligent circuit board (17) is set the working index that anion generator (8) opens and closes: when environmental probe (12) records in air that negative ion concentration is 3000/cubic centimetre, anion generation systems (01) starts automatically, when in air, negative ion concentration is 8000/cubic centimetre, air freshening system (01) power cut-off automatically, realizes intelligence operation.
As shown in Figure 1, the middle part of described body (25) inner side, is provided with the generator mount pad (20) of anion generator (8); Described anion generator (8) is by self-tapping screw 1(19), anion generator (8) is fixed on generator mount pad (20).
As shown in Figure 1, the bottom of described anion filter (3), is provided with the hole of passing that rod (11) occurs anion; Described through hole, there is the effect that rod (11) occurs firm anion.
As shown in Figure 1, the bottom of described body (25) inner side, is provided with intelligent circuit board (17), rechargeable battery (18) and transformator (21) in intelligent electric system (03).
As shown in Figure 1, the bottom in described body (25) outside, is provided with the concealed installation position of mobile electric power plug (23), and mobile electric power plug (23), is installed on wherein.
As shown in Figure 1, relay indicating light (5), ion concentration display screen (9), environmental probe (12) and switch (15), be positioned at the positive side of body (25).
As shown in Figure 1, the bottom of described body (25), is provided with back cover plate (22), and described back cover plate (22) is by self-tapping screw 2(24), pacify in the mounting groove of the bottom that is fixed in body (25), form the integral body of pocket air freshener.
?
Claims (4)
1. pocket air freshener, comprising: anion generation systems (01), anion delivery system (02) and intelligent electric system (03) and body system (04); Described anion generation systems (01), comprise, anion filter (3), excellent upper electrode rings (7), anion generator (8), anion generation chamber (10), anion occur rod (11), anion annulus (14) occur, excellent bottom electrode ring (16) occurs; Described anion delivery system (02), comprises, front diffusion grid (1), anion diffuser casing (2), side diffusion grid (4); Described intelligent electric system (03), comprises, intelligent circuit board (17), rechargeable battery (18), transformator (21), mobile electric power plug (23); Described body system (04), comprise relay indicating light (5), filter position-limiting ear (6), ion concentration display screen (9), environmental probe (12), wire (13), switch (15), self-tapping screw 1(19), generator mount pad (20), back cover plate (22), self-tapping screw 2(24) and body (25); It is characterized in that: described pocket air freshener, collection anion generation systems (01), anion delivery system (02) and intelligent electric system (03) are in the one of body (25), and its outward appearance and volume are similar to the milk of 250ML brick type packaging; The front diffusion grid (1) of described anion delivery system (02), anion diffuser casing (2) and side spread grid (4), are positioned at the top of body (25); Described anion diffuser casing (2), receiving occurs from the anion generation chamber (10) that is positioned at the middle part of body (25), the anion filtering by anion filter (3); Described anion, realizes diffusion through being positioned at anion diffuser casing (2) front diffusion grid (1) and side diffusion grid (4) positive and two sides to operating environment; Anion generator (8) in described anion generation systems (01), is positioned at the middle part of body (25); Described anion generator (8), the structure of the flat type hollow posts that being makes progress opens, the position of hollow, is the installation cavity of anion filter (3); The top of described anion generator (8) inner side, is provided with filter position-limiting ear (6); Described anion filter (3), is subject to the restriction of filter position-limiting ear (6), makes to be arranged in the anion filter (3) of anion generator (8) inner chamber, has guaranteed installation correctness and steadiness; Described anion generator (8), by being positioned at the installing hole of anion generator (8) bottom, adopts self-tapping screw 2(24) screw togather with intelligent circuit board (17), form the integral body of anion generator (8); The profile of described anion filter (3), is slightly less than the inner chamber of anion generator (8), forms the gap of 2-3 millimeter between the two, and this gap forms the anion annulus (14) of generator; The inner chamber of described anion filter (3), is also hollow form, in the inner chamber of hollow, anion is installed rod (11) occurs.
2. pocket air freshener according to claim 1, is characterized in that, rod (11) occurs for described anion, adopts very easily electron ion to swim isolated fullerene electricity catalyst material and makes; There are the two ends of rod (11) in described anion, is installed on respectively and excellent upper electrode rings (7) occurs and occur in excellent bottom electrode ring (16); Described generation rod upper electrode rings (7), is arranged on the inner side that is positioned at anion filter (3) top; Described generation rod bottom electrode ring (16), the hole of passing through being located on anion filter (3), is arranged on intelligent circuit board (17); Described generation rod upper electrode rings (7) and excellent bottom electrode ring (16) occurs be connected with the high-voltage DC power supply of transformator (21) through printed circuit and the wire (13) of intelligent circuit board (17); There is rod (11) in described anion, with be positioned at the generation rod upper electrode rings (7) of anion filter (3) upper inner, the generation rod bottom electrode ring (16) of bottom that is positioned at the generation rod bottom electrode ring (16) on intelligent circuit board (17) and is positioned at anion filter (3) through quantity and the position in hole, be over against the relation of answering.
3. pocket air freshener according to claim 1, it is characterized in that, described intelligent circuit board (17), negative ion concentration in the room air recording according to environmental probe (12), definite through comparing, commands relays J1 path, there is the energising of rod (11) two ends in anion, and anion generator (8) enters duty; Setting the working index that anion generator (8) opens and closes is: when environmental probe (12) records in air that negative ion concentration is 3000/cubic centimetre, anion generation systems (01) starts automatically, when in air, negative ion concentration is 8000/cubic centimetre, air freshening system (01) power cut-off automatically, realizes intelligence operation.
4. pocket air freshener according to claim 1, is characterized in that, the middle part of described body (25) inner side is provided with the generator mount pad (20) of anion generator (8); Described anion generator (8) is by self-tapping screw 1(19), anion generator (8) is fixed on a generator mount pad (20); The bottom of described anion filter (3), is provided with the hole of passing that rod (11) occurs anion; Described through hole, there is the effect that rod (11) occurs firm anion; The bottom of described body (25) inner side, is provided with intelligent circuit board (17), rechargeable battery (18) and transformator (21) in intelligent electric system (03); The bottom in described body (25) outside, is provided with the concealed installation position of mobile electric power plug (23), and mobile electric power plug (23), is installed on wherein; Described relay indicating light (5), ion concentration display screen (9), environmental probe (12) and switch (15), be positioned at the positive side of body (25); The bottom of described body (25), is provided with back cover plate (22), and described back cover plate (22) is by self-tapping screw 2(24), peace is fixed in the bottom of body (25), forms the integral body of pocket air freshener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310114985.6A CN103203038B (en) | 2013-04-04 | 2013-04-04 | Pocket-sized air freshener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310114985.6A CN103203038B (en) | 2013-04-04 | 2013-04-04 | Pocket-sized air freshener |
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| Publication Number | Publication Date |
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| CN103203038A CN103203038A (en) | 2013-07-17 |
| CN103203038B true CN103203038B (en) | 2014-11-12 |
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| CN201310114985.6A Expired - Fee Related CN103203038B (en) | 2013-04-04 | 2013-04-04 | Pocket-sized air freshener |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105529619B (en) * | 2015-08-31 | 2017-02-01 | 汪宝林 | Portable ecological negative ion generator |
| CN109530086A (en) * | 2018-11-26 | 2019-03-29 | 江苏绿途环保科技有限公司 | A kind of environmental protection equipment reducing PM2.5 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2607139Y (en) * | 2001-12-30 | 2004-03-24 | 王谦道 | Nano-photocatalysis electrostatic air purifier |
| KR100544028B1 (en) * | 2003-07-21 | 2006-01-23 | 보람이엔티 (주) | Imitation flowerpot with air purifier and perfume |
| CN201342117Y (en) * | 2008-12-16 | 2009-11-11 | 刘运科 | Plant-type air purifier |
| CN203280798U (en) * | 2013-04-04 | 2013-11-13 | 李万红 | Pocket air freshener |
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