CN104815403A - Mobile air purifying device - Google Patents
Mobile air purifying device Download PDFInfo
- Publication number
- CN104815403A CN104815403A CN201510168502.XA CN201510168502A CN104815403A CN 104815403 A CN104815403 A CN 104815403A CN 201510168502 A CN201510168502 A CN 201510168502A CN 104815403 A CN104815403 A CN 104815403A
- Authority
- CN
- China
- Prior art keywords
- air
- purifying device
- air purifying
- mobile air
- inlet plenum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000005406 washing Methods 0.000 claims abstract description 20
- 238000004659 sterilization and disinfection Methods 0.000 claims description 10
- 230000001954 sterilising effect Effects 0.000 claims description 8
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 5
- 239000011941 photocatalyst Substances 0.000 claims description 5
- 230000000813 microbial effect Effects 0.000 claims description 2
- 238000004887 air purification Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 16
- 239000012530 fluid Substances 0.000 description 12
- NMFHJNAPXOMSRX-PUPDPRJKSA-N [(1r)-3-(3,4-dimethoxyphenyl)-1-[3-(2-morpholin-4-ylethoxy)phenyl]propyl] (2s)-1-[(2s)-2-(3,4,5-trimethoxyphenyl)butanoyl]piperidine-2-carboxylate Chemical compound C([C@@H](OC(=O)[C@@H]1CCCCN1C(=O)[C@@H](CC)C=1C=C(OC)C(OC)=C(OC)C=1)C=1C=C(OCCN2CCOCC2)C=CC=1)CC1=CC=C(OC)C(OC)=C1 NMFHJNAPXOMSRX-PUPDPRJKSA-N 0.000 description 10
- 238000001914 filtration Methods 0.000 description 8
- 238000010943 off-gassing Methods 0.000 description 8
- 239000000428 dust Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 206010049244 Ankyloglossia congenital Diseases 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 201000009240 nasopharyngitis Diseases 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/10—Respiratory apparatus with filter elements
Landscapes
- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention provides a mobile air purifying device, and belongs to the technical field of air purification. The mobile air purifying device comprises a cover and a water filter, wherein the water filter comprises a water washing chamber and an air feeding device; the water washing chamber washes fed air by water to generate clean air; and the air feeding device feeds the cleaned air to the cover. The mobile air purifying device, provided by the invention, can thoroughly filter and disinfect the air, so that users can naturally breathe the clean air no matter in motion or in rest or in room or in field.
Description
Technical field
The present invention relates to a kind of Mobile air purifying device, belong to technical field of air purification.
Background technology
Along with the fast development of global industry, thus bring a series of negative issue.Because air-polluting constantly aggravates, even long-term haze, the various diseases caused by the decline of air quality, also in continuous increase, to work or the life-span of living shortens greatly for a long time in this environment.And in order to life-extending, live a period of time in the mountain area that senior staff with good conditionsi goes air good, but the people of more than 95% has to work under air-polluting environment and live.Therefore, pure and fresh air, good work living environment becomes today people can carry out the necessary guarantee of daily routines.
For solving the problem, a kind of Novel filtration anti-dust respirator is provided in prior art, its patent No. is CN201120334514, the schematic diagram of this Novel filtration anti-dust respirator of Fig. 1, as shown in Figure 1, filter anti-dust respirator and comprise face shield 1 and filter 2, the breather cheek valve 3 and outgassing nonreturn valve 4 that are connected with the external world is provided with in face shield 1, the outer end of breather cheek valve 3 is connected with air bag 6 by inner small and outside big tubaeform air inlet 5, air bag 6 lower end is connected with filter 2 by air supply pipe 7, air supply pipe inserts air bag setting and air supply pipe insertion cell parts accounts for 1/3 ~ 1/2 of air supply pipe total length.For ease of collecting, discharging steam, face shield 1 medial surface is provided with the condensate tank 10 of genesis analysis, and condensate tank 10 lower end converges at outgassing nonreturn valve 4 place.Be marked with filtered fluid 9 in filter 2, filter 2 be inserted with air inlet pipe 8, arrange below the liquid level that filtered fluid 9 is stretched in the lower end of air inlet pipe 8.Air supply pipe 7 and/or air inlet pipe 8 are provided with filter 2 junction and are flexibly connected head.Face shield 1 medial surface is provided with the condensate tank 10 of genesis analysis, and condensate tank 10 converges at outgassing nonreturn valve 4 place.Face shield 1 internal upper part wing of nose place is provided with the protuberance with nose outer rim adaptation.Air inlet pipe 8 is acute angle with the angle of air supply pipe 7 axis.
For convenience of using, fixing frenulum can be set on face shield 1, by fixing frenulum, face shield 1 be worn on the face of people.Operation principle is: before use, in filter 2, inject filtered fluid 9, is as the criterion higher than air inlet pipe 8 lower end with filtered fluid 9 liquid level, and filtered fluid 9 can be pure water, aqueous surfactant solution, the Medical sterilization aqueous solution or the granules for treating common cold aqueous solution; Face shield 1 is placed in the mouth and nose place of people, by fixing frenulum, face shield 1 is worn on the face of people; During people's air-breathing, breather cheek valve 3 is opened, outgassing nonreturn valve 4 is closed, making to form negative pressure in air bag 6, air supply pipe 7 and filter 2 makes outside air be inhaled in the filtered fluid 9 of filter 2 by air inlet pipe 8, air forms bubble in filtered fluid 9, be filtered liquid 9 filtration, purification in bubble uphill process, the gas through filtration, purification enters in face shield 1 by air supply pipe 7, air bag 6, air inlet 5 and breather cheek valve 3; On the contrary, when people exhales, breather cheek valve 3 is closed, outgassing nonreturn valve 4 is opened, and carbon dioxide and a small amount of steam of characteristics of contaminated respiratory droplets are discharged through outgassing nonreturn valve 4.
But the filtration anti-dust respirator of this kind of structure arranges air bag, breather cheek valve and outgassing nonreturn valve, dark air absorbing body and dark expiration is needed in order to suck air, so just can open breather check valve and outgassing nonreturn valve, and in order to ensure the air required for human body eupnea, the volume of air bag needs very large, catches band inconvenience.
Summary of the invention
For solving the technical problem existed in prior art, goal of the invention of the present invention is to provide a kind of Mobile air purifying device (water filtration respirator), it can filter thoroughly air, sterilize, make user no matter in movement or static in, no matter in indoor or in outdoor, can naturally breathe clean air.
For realizing described goal of the invention, the invention provides a kind of Mobile air purifying device, it comprises face shield and water filter, and described water filter comprises washing room and dispatch device of air, and the air of feeding carries out washing the clean air of generation by described washing room; Clean air is given face shield by air supply plant.
Preferably, described water filter also has inlet plenum, and the air in the external world is carried out sterilization by described inlet plenum, then flows to washing room.
Preferably, described inlet plenum is provided with uviol lamp, and described uviol lamp is used for carrying out sterilization to the air entering inlet plenum.
Preferably, described inlet plenum is provided with photocatalyst layer, and it is for decomposing the organic microbial in air.
Preferably, described inlet plenum is provided with ozone decomposed device.
Preferably, Mobile air purifying device also comprises screen pack, and it is arranged in the outlet of washing room.
Preferably, washing filter is ampuliform.
Preferably, washing filter also comprises electric panel room, and electric panel room is for installing battery and circuit board.
Preferably, washing filter is also provided with slot at the shell of washing filter, and slot is electrically connected with battery case; Described battery is rechargeable battery, utilizes civil power or rechargeable solar battery.
With prior art phase, Mobile air purifying device provided by the invention, it can filter thoroughly air, sterilize, make user no matter in movement or static in, no matter in indoor or in outdoor, can Zi naturally breathing to clean air.
Accompanying drawing explanation
Fig. 1 is a kind of schematic diagram filtering anti-dust respirator that prior art provides;
Fig. 2 is the schematic diagram of face shield provided by the invention;
Fig. 3 is the axial cross section schematic diagram of the Portable water filter that first embodiment of the invention provides;
Fig. 4 is the axial cross section schematic diagram of the Portable water filter that second embodiment of the invention provides;
Fig. 5 is the axial cross section schematic diagram of the Portable water filter that third embodiment of the invention provides;
Fig. 6 is the axial cross section schematic diagram of the Portable water filter that fourth embodiment of the invention provides;
Fig. 7 is the axial cross section schematic diagram of the Portable water filter that fifth embodiment of the invention provides;
Fig. 8 is the axial cross section schematic diagram of the Portable water filter that sixth embodiment of the invention provides.
Detailed description of the invention
The present invention is described in detail below in conjunction with accompanying drawing.
Mobile air purifying device provided by the invention comprises face shield and filter.
Fig. 2 is the schematic diagram of face shield provided by the invention, as shown in Figure 2, described face shield comprises skin and internal layer, near nose between skin and internal layer, an air chamber is set, this air chamber is communicated with air admission hole 41, internal layer and this air chamber position pressed close near people's nose are provided with multiple steam vent 42, and the cleaned air delivering to air chamber by air admission hole is discharged into through multiple steam vent the cavity that the face near by face shield internal layer and user's nose mouth formed again and breathes for people.Described air admission hole is flexibly connected with filter by flexible pipe.Because face shield and people face do not adopt the structure of sealing, the carbon dioxide that people breathes out and the clean gas of part are by discharging in the gap of people face and face shield.The steam vent of outwardly Exhaust Gas also can be set on face shield.
embodiment one
Fig. 3 is the axial cross section schematic diagram of the Portable water filter that first embodiment of the invention provides.As shown in Figure 3, Portable water filter provided by the invention comprised bottle bottom 11, bottle top 12, bottle cap 13 and patty screen pack 14, wherein washing room is formed at bottle bottom 11, what it comprised columnar stack shell 15, the upper base 16 of annular and circle goes to the bottom 17, they surround cylindrical cavity 18 to hold filtered fluid, the preferred filtered fluid of the present invention is water, and filtered fluid also can adopt other aqueous solution.The central authorities of the upper base 16 of annular are provided with the columnar bottleneck be communicated with cylindrical cavity.In upper base, be provided with annular cavity 19, that is, upper bottom portion subregion is double-decker, and the upper strata in this double-decker is provided with air admission hole 20, and this air admission hole 20 is communicated with the toroidal cavity 19 in upper base; Multiple thin tube-like gas channel 21 is provided with vertically at columnar stack shell 15, the plurality of thin tube-like gas channel 21 is along stack shell to downward-extension, the inner side of stack shell is provided with multiple steam vent 22, the upper end of multiple thin tube-like gas channel 21 is all communicated with annular cavity 19, and lower end is communicated with multiple steam vent 22 respectively.
What bottle top 12 comprised urceolus 23, inner core 24, the upper base 25 of annular and annular goes to the bottom 26, they surround an annulus cylindrical cavity, form a cylindrical cavity in inner core, the bottleneck on bottle bottom embeds in it to facilitate slightly larger than the outer neck of the bottleneck on bottle bottom 11 by its internal diameter.
Annulus cylindrical cavity is provided with three pieces of dividing plates, and annulus cylindrical cavity is divided into three parts sealed against one another, and wherein a part is inlet plenum, and another part is plenum chamber, and Part III is electric panel room.The outer cylinder portion surrounding inlet plenum is provided with air admission hole, and air inlet position can arrange primary filter, carries out prefiltration with air outside air being flowed into inlet plenum; The going to the bottom of annular is provided with steam vent, and described steam vent can be flexibly connected with the air admission hole on bottle bottom.Be provided with ultraviolet lamp 27 in inlet plenum, to carry out sterilization to the air entered in inlet plenum, be also provided with air pump 28, the exhaust outlet of air pump 28 is connected by tracheae with the steam vent of inlet plenum.The inner cylindrical portion be connected with plenum chamber is double-decker, and form cavity 31 in double-decker, this cavity upwards extends vertically, and the inner core of plenum chamber close contact is provided with multiple steam vent 29.The central authorities on bottle top are provided with tubular bottleneck 30, and bottleneck comprises bottleneck inner core and bottleneck urceolus, and they form annular bottleneck cavity, and annular bottleneck cavity is communicated with cavity 31, and the radial direction along bottleneck is provided with air admission hole 30.Cannelure is provided with, to snap in patty screen pack 14 actively in bottleneck.The periphery of annular bottleneck is provided with screw thread.Bottle cap comprises upper base, cup and has certain thickness bulge loop, upper base is arranged on the top at cup, bulge loop is arranged on the lower limb in cup, and be provided with screw thread to be flexibly connected with the screw thread on annular bottleneck, air after structure like this can make purification is injected into cavity 31 through the enterprising pore 30 of bottleneck, is then injected into plenum chamber.
The top of plenum chamber is provided with steam vent, is also provided with air pump 32 in plenum chamber, and the exhaust outlet of air pump 32 is communicated with by tracheae with steam vent.Steam vent is provided with connector, and described connector can be communicated with the air admission hole 41 on face shield by a tracheae actively.
Be provided with battery case and circuit board in electric panel room, the urceolus of formation electric panel room is provided with battery case lid, to facilitate picking and placeing of battery.Annular upper base on bottle top 12 is provided with charging socket, to utilize civil power or photovoltaic cell to charge to battery, is also provided with power switch with the break-make of control circuit.
The edge that bottle bottom 11 and bottle top 12 contact is provided with bindiny mechanism.During assembling, the neck of bottle bottom 11 is closely inserted in the inner core of bottle top 12, the steam vent on bottle top 12 is entered in the air admission hole of bottle bottom 11, and by bindiny mechanism's locking to form a bottle, then again screen pack 14 is snapped in the cannelure in bottleneck, then cover bottle cap again, form a complete gas channel.
During use, water is injected in the inner chamber of bottle bottom 11, the degree of depth of water is higher than the height of the steam vent of bottle bottom 11, then screen pack 14 is snapped in the cannelure in bottleneck, cover bottle cap, air admission hole on face shield is connected on the steam vent of plenum chamber by tracheae, then face shield is applied to user's face.At this moment start switch, air pump 28, ultraviolet lamp 27 and air pump 32 are started working.Extraneous air enters into inlet plenum by the air admission hole on bottle top 12, and ultraviolet carries out disinfection to it.Air in inlet plenum to be pumped in the annular chamber 19 on the upper base of bottle bottom 11 by the air after sterilization by air pump 28, air in annular chamber 19 is drained in filtered fluid by the multiple admission lines on stack shell, form bubble, bubble enters in the cylindrical cavity on bottle top to the bottleneck floated on bottle bottom 11, then pass through filter screen filtration, most water smoke is removed, cleaned air through sterilization and washing is drained into plenum chamber by annular bottleneck cavity, clean air is drained in the cavity that face shield and people face formed by the tracheae be communicated with face shield again by air pump 32, thus people breathes is clean air.
Mobile air purifying device uviol lamp provided by the invention carries out disinfection, then applies water as filtration media, and the various microorganisms such as dust, rubbish and bacterium overwhelming majority when air pump 28 is drained in water is dissolved, is locked in water.By the locking of water-soluble solution dust, particulate and anaphylactogen, pollen, dirt mite, tiny germ etc., avoid unholiness air to be sucked by human body, thus what people was sucked is the air of cleaning as forest.
embodiment two
Fig. 4 is the axial cross section schematic diagram of the Portable water filter that second embodiment of the invention provides; As shown in Figure 4, an entirety is formed at the bottle bottom 11 of the Portable water filter that second embodiment of the invention provides and bottle top 12, and other structure is all identical with the first embodiment.Here no longer repeat.
embodiment three
Fig. 5 is the axial cross section schematic diagram of the Portable water filter that third embodiment of the invention provides; As shown in Figure 5, the Portable water filter that third embodiment of the invention provides also is provided with photocatalyst layer 33 to decompose further microorganism between uviol lamp and air pump, photocatalyst layer is the layer structure with multiple cellular through hole, it is coated with the particle of the analogs such as titanium dioxide, to decompose further the organic pollution in air.Other structure is identical with embodiment two.
embodiment four
Fig. 6 is the axial cross section schematic diagram of the Portable water filter that fourth embodiment of the invention provides; As shown in Figure 6, the Portable water filter that fourth embodiment of the invention provides also is provided with ozone decomposed device between photocatalyst room and air pump, described ozone decomposed device is the layer structure with multiple cellular through hole, it is coated with the particle of the analogs such as manganese dioxide, so ozone reduction can be become oxygen, other structure is identical with embodiment three.
embodiment five
Fig. 7 is the axial cross section schematic diagram of the Portable water filter that fifth embodiment of the invention provides, as shown in Figure 7, on the basis of the arbitrary water filter structure of above-described embodiment one to four, arrange check valve at the exhaust outlet of inlet plenum and the air inlet place of plenum chamber, it is too thin that each road like this tracheae can do.
embodiment six
Fig. 8 is the axial cross section schematic diagram of the Portable water filter that sixth embodiment of the invention provides, as shown in Figure 8, 6th embodiment is the one distortion of the first to the five embodiment, identical with the diameter of bottle by the diameter of bottle cap 35, the height of bottle cap is a little more than the height of bottle bottom, the bottom of the cylinder interior of bottle cap 35 is provided with screw thread 35, the upper end outer setting on the top of bottle has screw thread to be flexibly connected with the screw thread on bottle cap 35, so, no matter bottle turns around or topples over, all filtered fluid can not be flow into inlet plenum and plenum chamber, thus protection air pump.
In addition, if eliminate the air pump in inlet plenum or the air pump in plenum chamber, the present invention still can implement.
More than be described with reference to the accompanying drawings the present invention, but description is only for explaining claims.But this protection scope of the present invention is not limited to description.Anyly be familiar with those skilled in the art in the technical scope that the present invention discloses, the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (10)
1. a Mobile air purifying device, is characterized in that, it comprises face shield and water filter, and described water filter comprises washing room and air supply plant, and the air of feeding carries out washing the clean air of generation by described washing room; Clean air is given face shield by air supply plant.
2. Mobile air purifying device according to claim 1, is characterized in that, described water filter also has inlet plenum, and the air in the external world is carried out sterilization by described inlet plenum, then flows to washing room.
3. Mobile air purifying device according to claim 2, is characterized in that, described inlet plenum is provided with uviol lamp, and described uviol lamp is used for carrying out sterilization to the air entering inlet plenum.
4. Mobile air purifying device according to claim 3, is characterized in that, described inlet plenum is provided with photocatalyst layer, and it is for decomposing the organic microbial in air.
5. Mobile air purifying device according to claim 4, is characterized in that, described inlet plenum is provided with ozone decomposed device.
6., according to the arbitrary described Mobile air purifying device of claim 1-5, it is characterized in that, also comprise screen pack, it is arranged on the exit of washing room.
7. Mobile air purifying device according to claim 6, is characterized in that, washing filter is ampuliform.
8. Mobile air purifying device according to claim 7, is characterized in that, also comprise electric panel room, and electric panel room is for installing battery and circuit board.
9. Mobile air purifying device according to claim 8, is characterized in that, described battery is rechargeable battery, utilizes civil power or rechargeable solar battery.
10. Mobile air purifying device according to claim 9, is characterized in that, be also provided with slot at the shell of washing filter, slot is electrically connected with battery case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168502.XA CN104815403B (en) | 2015-04-12 | 2015-04-12 | Mobile air purifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168502.XA CN104815403B (en) | 2015-04-12 | 2015-04-12 | Mobile air purifying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104815403A true CN104815403A (en) | 2015-08-05 |
| CN104815403B CN104815403B (en) | 2018-01-26 |
Family
ID=53726033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510168502.XA Expired - Fee Related CN104815403B (en) | 2015-04-12 | 2015-04-12 | Mobile air purifying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104815403B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104941084A (en) * | 2015-07-19 | 2015-09-30 | 连芷萱 | Multifunctional air purification device |
| CN106861072A (en) * | 2017-01-11 | 2017-06-20 | 张礼芬 | A kind of Water filtering type supplies protector certainly |
| CN107894040A (en) * | 2017-10-01 | 2018-04-10 | 佛山智北汇科技有限公司 | A kind of workshop air cleaning unit |
| CN108325107A (en) * | 2018-01-26 | 2018-07-27 | 广州格伦环保设备科技有限公司 | Water-filtering haze-proof mask |
| WO2021218975A1 (en) * | 2020-04-27 | 2021-11-04 | 浙江兴昌风机有限公司 | Protective disinfection device |
| WO2021240535A1 (en) * | 2020-05-27 | 2021-12-02 | Prasanna Dinkar Sohale | Personal protection equipment (ppe) for air purification |
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| GB103566A (en) * | 1916-04-05 | 1917-02-01 | Frank Barber | Improvements in Apparatus and Appliances for Filtering and Purifying Air. |
| CN2088435U (en) * | 1991-05-06 | 1991-11-13 | 董国臣 | Combined dust-proof gauze mask |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104941084A (en) * | 2015-07-19 | 2015-09-30 | 连芷萱 | Multifunctional air purification device |
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| CN106861072A (en) * | 2017-01-11 | 2017-06-20 | 张礼芬 | A kind of Water filtering type supplies protector certainly |
| CN107894040A (en) * | 2017-10-01 | 2018-04-10 | 佛山智北汇科技有限公司 | A kind of workshop air cleaning unit |
| CN108325107A (en) * | 2018-01-26 | 2018-07-27 | 广州格伦环保设备科技有限公司 | Water-filtering haze-proof mask |
| WO2021218975A1 (en) * | 2020-04-27 | 2021-11-04 | 浙江兴昌风机有限公司 | Protective disinfection device |
| WO2021240535A1 (en) * | 2020-05-27 | 2021-12-02 | Prasanna Dinkar Sohale | Personal protection equipment (ppe) for air purification |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104815403B (en) | 2018-01-26 |
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