CN207951128U - Except ozone strainer - Google Patents
Except ozone strainer Download PDFInfo
- Publication number
- CN207951128U CN207951128U CN201820104134.1U CN201820104134U CN207951128U CN 207951128 U CN207951128 U CN 207951128U CN 201820104134 U CN201820104134 U CN 201820104134U CN 207951128 U CN207951128 U CN 207951128U
- Authority
- CN
- China
- Prior art keywords
- wave
- membrane material
- corrugated layer
- strainer
- levelling blanket
- 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.)
- Expired - Fee Related
Links
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims description 70
- 239000000463 material Substances 0.000 claims description 53
- 239000012528 membrane Substances 0.000 claims description 43
- 239000003054 catalyst Substances 0.000 claims description 22
- 229910044991 metal oxide Inorganic materials 0.000 claims description 13
- 150000004706 metal oxides Chemical class 0.000 claims description 13
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 12
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 6
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 4
- 239000000395 magnesium oxide Substances 0.000 claims description 4
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims description 3
- 239000005751 Copper oxide Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 229910000431 copper oxide Inorganic materials 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 229940056319 ferrosoferric oxide Drugs 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- CHBCHAGCVIMDKI-UHFFFAOYSA-N [F].C=C Chemical group [F].C=C CHBCHAGCVIMDKI-UHFFFAOYSA-N 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000000746 purification Methods 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000004831 Hot glue Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000004332 deodorization Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920002620 polyvinyl fluoride Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The utility model discloses one kind removing ozone strainer, it is described except ozone strainer includes the levelling blanket (1) and corrugated layer (2) for being disposed adjacent repeated arrangement, the corrugated layer (2) is symmetrical arranged with levelling blanket (1) for symmetry axis so that the wave crest of corrugated layer (2) Wave and the trough of adjacent corrugated layer (2) Wave are connected to the both sides of levelling blanket (1) same tie point；Corrugated layer (2) fixed clamp is between levelling blanket (1) or both sides；The catalyst layer (4) of membrane material (3) and the coating of its two sides in the levelling blanket (1) and corrugated layer (2).Wherein, the two sides out-of-flatness of the membrane material (3), increases the catalyst layer on membrane material surface and the area of ozone contact, makes it have good except ozone effect.
Description
Technical field
The utility model is related to a kind of airstrainers, more particularly to a kind of to remove ozone air filter screen.
Background technology
Ozone is a kind of gas of light blue, with irritating smell, and ozone has strong oxidizing property, can corrode rubber；It is smelly
Oxygen concentration is excessively high can also to allow people to generate dizziness, and certain harm is generated to health.Oxygen can be changed to ozone, thus band by electric shock
The place of electricity usually can all generate ozone.
In the modern life, electronic equipment generally uses, and with the growth of electronic equipment usage time, tires out in room air
Ozone content gradually increases in product.Therefore, when handling air purification, also it is necessary to be purified to the ozone in air
Processing improves air quality to reduce the ozone content in air.
The present inventor is transformed existing technology due to the above reasons, has investigated a kind of except ozone strainer.
Utility model content
In order to overcome the above problem, present inventor has performed sharp studies, by the membrane material of selection surface irregularity, and
The catalyst layer that the surface coating of membrane material can be decomposed with catalysis ozone, increases the contact area of air and filter material, improves and remove ozone
Effect；And the filter material is prepared as waveform, the wave crest and trough of adjacent wave are connected to become the channel of air disengaging, reduce
The air drag of strainer；It is a kind of except ozone strainer to have devised.
Specifically, the purpose of this utility model is to provide one kind removing ozone strainer, including is disposed adjacent repeated arrangement
Levelling blanket 1 and corrugated layer 2, the corrugated layer 2 with levelling blanket 1 for symmetry axis be symmetrical arranged so that the wave of 2 Wave of corrugated layer
The trough of peak and adjacent 2 Wave of corrugated layer is connected to the both sides of 1 same tie point of levelling blanket, 2 geometrical clamp of the corrugated layer
It is held between levelling blanket 1 or both sides；
The levelling blanket 1 includes membrane material (3) and the catalyst layer (4) that its two sides coats；
The corrugated layer 2 includes the catalyst layer of membrane material 3 and the coating of its two sides；
Wherein, the two sides out-of-flatness of the membrane material 3 is provided with protrusion or recess on surface.
Include metal oxide in the catalyst layer 4, the metal oxide includes magnesia, aluminium oxide, four oxygen
Change one or more in three-iron, zinc oxide and copper oxide.
The membrane material 3 is selected from polyethylene, polyvinyl fluoride, polypropylene and polystyrene.
Advantageous effect possessed by the utility model includes：
(1) it is provided by the utility model except ozone strainer have it is good remove ozone effect, it is (not high to the ozone of purification
In 2ppm) clean-up effect with 70-80%；
(2) channel except with air disengaging in ozone strainer, will not increase the resistance of air flowing；
(3) the membrane material surface irregularity used except ozone strainer, increases the catalyst layer and ozone on membrane material surface
The area of contact, thus, except the purification speed of ozone is high.
Description of the drawings
Fig. 1 shows the structural schematic diagram except ozone strainer according to a kind of the utility model preferred embodiment；
Fig. 2 shows the schematic cross-sections according to a kind of the utility model preferred embodiment except ozone strainer；
Fig. 3 is shown according to a kind of preferred embodiment of the utility model except the enlarged structure of ozone strainer filter material is illustrated
Figure；
Fig. 4 is shown according to a kind of preferred embodiment of the utility model except the enlarged structure of ozone strainer filter material is illustrated
Figure.
Drawing reference numeral explanation：
1- levelling blankets
2- corrugated layers
3- membrane materials
4- catalyst layers
5- nosings
6- pits
Specific implementation mode
Below by drawings and examples to the exemplary detailed description of the utility model.By these explanations, this practicality is new
The characteristics of type and advantage will become more apparent from clear.
Dedicated word " exemplary " means " being used as example, embodiment or illustrative " herein.Here as " exemplary "
Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.Although each of embodiment is shown in the accompanying drawings
In terms of kind, but unless otherwise indicated, it is not necessary to attached drawing drawn to scale.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other not
Constituting conflict can be combined with each other.
Ozone strainer is removed according to one kind provided by the utility model, it includes membrane material 3 to prepare the filter material except ozone strainer
With the catalyst layer 4 of 3 two sides of membrane material coating.
Wherein, the membrane material 3 is selected from polyethylene, polyvinyl fluoride, polypropylene and polystyrene.It is, for example, possible to use poly- second
Alkene is as membrane material.The membrane material 3 plays the role of sizing and support in strainer, and the membrane material using the material preparation has
Good fastness and tensile property, at the same it is easy to produce.
It is preferred that the thickness of the membrane material is 100-300 μm, such as the thickness of membrane material is 250 ± 10 microns.The thickness
Membrane material has stronger hardness, keeps the porous structure of strainer；Meanwhile relatively thin membrane material can reduce material accounting in strainer
With volume, increase the volume of air flow passage；Not only contribute to reduce the resistance of air flowing, it helps reduce membrane material
Dosage reduces production cost.
Wherein, the metal oxide decomposed with catalysis ozone, the metal oxide packet are contained in the catalyst layer 4
It includes one or more in magnesia, aluminium oxide, manganese oxide, ferroso-ferric oxide, zinc oxide and copper oxide；Preferably, the gold
It includes one or more in magnesia, manganese oxide and aluminium oxide to belong to oxide.
Further, the metal oxide is crushed to the nominal particle size less than 10 μm, preferably grain size not before use
Powder higher than 1 μm, more preferably grain size are not higher than 0.1 μm of powder.
The metal oxide when in use, the metal oxide powder crushed is dispersed in and is sticked including aqueous
In glue, it is uniformly applied to the two sides of membrane material 3, after hot melt adhesive is dried, metal oxide is the surface for being fixed on membrane material 3.It is described
Including the coat of metal oxide is catalyst layer 4.
In the catalyst layer 4, the density that metal oxide coats on 3 surface of membrane material is 120~300 grams/m,
The thickness of 3 surface of membrane material coating is 30-200 μm；Preferably, the density that metal oxide coats on 3 surface of membrane material is 150 grams/
Square metre, the thickness that the catalyst layer 4 coats on 3 surface of membrane material is 50-200 μm.The catalyst layer 4 of the density and thickness
In there is sufficient catalyst exposed point, the contact area with ozone can be improved when in use, improve catalytic efficiency.
In the prior art, the membrane material used in many strainers is often smooth.In the present invention, particularly,
The two sides of the membrane material 3 used is rough, is out-of-flatness.All be distributed on two surfaces up and down of the membrane material 3 protrusion or
Recess, catalyst layer 4 is coated in the membrane material with protrusion or recess, in this way, large number of bump is effectively increased and urged
The surface area of agent layer 4 also increases the contact area of catalyst layer 4 and ozone；
For example, the pit 6 to 3 inner recess of membrane material is set as on the surface of the membrane material 3, as shown in figure 4, can increase
The contact area of catalyst layer 4 and ozone；
It is preferred that the large number of convex edge 5 raised to 3 upper and lower surface of membrane material is provided on the surface of the membrane material 3, such as Fig. 3
It is shown, convex edge 5 and groove are formed on the surface of membrane material 3, the contact area of catalyst layer 4 and ozone can be dramatically increased.
Under the premise of not changing the utility model design, other make a change to increase surface area membrane material surface texture
Design both fall in protection scope of the present invention.
Provided by the utility model except in ozone strainer, levelling blanket 1 and corrugated layer 2 is prepared by filter material.It is described flat
Flood 1 is sheet material, in the form of sheets；The corrugated layer 2 is formed wavy by the identical wave repeated arrangement of size；Levelling blanket 1 and wave
Unrestrained layer 2 is disposed adjacent and repeated arrangement.
In a preferred embodiment, the corrugated layer 2 is symmetrical arranged with levelling blanket 1 for symmetry axis so that wave
The wave crest of 2 Wave of layer and the trough of adjacent 2 Wave of corrugated layer are connected to the both sides of 1 same tie point of levelling blanket.
It is furthermore preferred that the wave crest of the trough of 2 Wave of the corrugated layer and adjacent 2 Wave of corrugated layer be connected to it is smooth
The both sides of 1 same tie point of layer.
The wave crest refers in the wave of corrugated layer, and in the single wave of wave, the top of wave is wave crest, wave
The bottom end of wave is trough；Wherein, there are one wave crest and a troughs for tool in single wave.
It is preferred that 2 fixed clamp of the corrugated layer is between levelling blanket 1 or both sides, for example, the levelling blanket 1 and corrugated layer are logical
Hot melt adhesive is crossed to be adhesively fixed.The corrugated layer 2 and levelling blanket 1 can also be fixed by nail catcher, sewing.
Provided by the utility model except in ozone strainer, the wave crest and trough of 1 both sides of levelling blanket are connected to levelling blanket 1
Same tie point forms the holey knot of Wave crest and wave trough support levelling blanket 1 by the repeated arrangement of levelling blanket 1 and corrugated layer 2
Structure, as shown in Figure 1.
As shown in fig. 1, air disengaging is formed in the adjacent corrugated layer 2, between wave crest and trough and levelling blanket 1
Channel.Multiple channels are formed between the wave-like and levelling blanket 1 of corrugated layer 2；It is arranged when corrugated layer 1 and levelling blanket 1 are repeated as many times
When row, number of channels is multiplied.There is large number of air duct therefore to work as packet for shown in Fig. 1 removing in ozone strainer
When gas containing ozone passes in and out the strainer, air drag is very small.
Meanwhile for corrugated layer 2 compares levelling blanket 1, inclined contact surface has more surface areas than levelling blanket 1,
The contact area of strainer and ozone can be improved.
Preferably, the shape of 2 Wave of the corrugated layer is identical, convenient for the strainer of industrial production and preparation shape rule.
Provided by the utility model except in ozone strainer, the peak-to-peak distance of 2 medium wave of the corrugated layer can be according to purification
The size of equipment, the height for purifying demand are adjusted；In addition, 2 medium wave peak of the corrugated layer or trough are at a distance from levelling blanket 1
It can also arbitrarily be set according to the size of cleaning equipment, the height of purification demand.
Preferably, the peak-to-peak distance of 2 medium wave of the corrugated layer is 1-8mm；Preferably 2-6mm, such as 4mm；
Preferably, the height between the wave crest or trough and levelling blanket 1 is 1-8mm；Preferably 2-6mm, such as 4mm.
The corrugated layer 2 can form multiple channels with levelling blanket 1, and guiding gas flows through deodorization oxygen strainer.The channel
Section it is smaller, the contact area of gas and screen wall is bigger, strainer except ozone effect it is better.
The schematic cross-section for removing ozone strainer is shown in Fig. 2, wherein the distance that air flows in strainer i.e. institute
The thickness except ozone strainer is stated, the thickness except ozone strainer can arbitrarily change according to actual demand.
In a preferred embodiment, the thickness except ozone strainer is 5-6mm；In another preferred implementation
In mode, the thickness except ozone strainer is 10-11mm.
Except the thickness of ozone strainer is thicker, the area contacted with air except ozone strainer is bigger, and clean-up effect is better.
Studies have shown that when preparing strainer using the filter material that metal oxide-coated density is 150 grams/m, when described
It is described when the corrugation pitch of strainer is 4mm, the height between wave crest and levelling blanket 1 is 4mm, the thickness of strainer is 10 ± 0.5mm
Except ozone strainer purifies the ozone of 1ppm, the ozone of 0.7-0.8ppm can be removed, clean-up effect has reached 70-
80%.
It is also provided with outline border on the outside of the periphery except ozone strainer, to further fix the strainer.For example, making
With the standby outline border of plastics or made of metal, the fastness of strainer can be improved.
It is described except ozone strainer is fixedly connected with outline border, it is preferable to use hot melt adhesive is fixedly connected after bonding, prepare simple, production
Product fastness is good.
Further, it can also be pasted in the outer periphery of the outline border and be provided with sealing cotton, in this way, when installation removes ozone
When strainer, each mounting wall of deodorization oxygen strainer and instrument can be made closely to connect.When gas removes ozone strainer by described
When, it can will not escape from the gap of outline border and instrument all by carrying out purified treatment except the gas passage on ozone strainer
Go out, causes gas purification incomplete.
The ozone strainer provided by the invention that removes is suitable for various air cleaning units, is also mountable to various electronic equipments
It is interior, to reduce the content of ozone in air, air quality is improved, reduces harm of the ozone to human body.
Provided by the invention except the contact area of ozone strainer and air is big, purification speed is fast, and purification efficiency is high；It has
Porous reticular structure, resistance almost can be ignored when gas is by removing ozone strainer, be conducive to wind speed in cleaning equipment
Holding.
In the description of the present invention, it should be noted that the fingers such as term "upper", "lower", "inner", "outside" " preceding " " rear "
The orientation or positional relationship shown is to be merely for convenience of describing based on the orientation or positional relationship under utility model works state
The utility model and simplified description, do not indicate or imply the indicated device or element must have a particular orientation, with spy
Fixed azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ",
" third ", " the 4th " are used for description purposes only, and are not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation "
" connected " " connection " should broadly understood, for example, it may be being fixedly connected, may be a detachable connection, or integrated connection
Commonly；It can be mechanical connection, can also be electrical connection；Can be directly connected to, can also be indirectly connected with by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
The utility model is illustrated above in association with preferred embodiment, but these embodiments are only models
Example property, only play the role of illustrative.On this basis, a variety of replacements and improvement can be carried out to the utility model, these
It each falls in the scope of protection of the utility model.
Claims (9)
1. one kind removing ozone strainer, which is characterized in that described except ozone strainer includes the levelling blanket (1) for being disposed adjacent repeated arrangement
With corrugated layer (2), the corrugated layer (2) is symmetrical arranged with levelling blanket (1) for symmetry axis so that the wave of corrugated layer (2) Wave
The trough of peak and adjacent corrugated layer (2) Wave is connected to the both sides of levelling blanket (1) same tie point；The corrugated layer (2)
Fixed clamp is between levelling blanket (1) or both sides；
The levelling blanket (1) includes the catalyst layer (4) of membrane material (3) and the coating of its two sides；
The corrugated layer (2) includes the catalyst layer (4) of membrane material (3) and the coating of its two sides；
Wherein, the two sides out-of-flatness of the membrane material (3), surface is provided with protrusion or recess.
2. according to claim 1 remove ozone strainer, which is characterized in that the trough and phase of corrugated layer (2) Wave
The wave crest of adjacent corrugated layer (2) Wave is connected to the both sides of levelling blanket (1) same tie point.
3. according to claim 1 remove ozone strainer, which is characterized in that the catalyst layer (4) includes metal oxidation
Object, the metal oxide include one kind in magnesia, aluminium oxide, manganese oxide, ferroso-ferric oxide, zinc oxide and copper oxide or
It is a variety of.
4. according to claim 1 or 3 remove ozone strainer, which is characterized in that the catalyst layer (4) is in membrane material (3) table
The thickness of face coating is 30-200 μm.
5. according to claim 4 remove ozone strainer, which is characterized in that the catalyst layer (4) applies on membrane material (3) surface
The thickness covered is 50-200 μm.
6. removing ozone strainer according to claim 1 or 5, which is characterized in that the shape phase of corrugated layer (2) Wave
Together.
7. according to claim 6 remove ozone strainer, which is characterized in that the peak-to-peak distance of corrugated layer (2) medium wave is
1-8mm；Height between the wave crest or trough and levelling blanket 1 is 1-8mm.
8. according to claim 1 or claim 7 remove ozone strainer, which is characterized in that the membrane material (3) is selected from polyethylene, poly- fluorine
Ethylene, polypropylene and polystyrene.
9. according to claim 1 remove ozone strainer, which is characterized in that be provided with pit on the surface of the membrane material (3)
(6), one or more in convex edge (5) or groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820104134.1U CN207951128U (en) | 2018-01-22 | 2018-01-22 | Except ozone strainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820104134.1U CN207951128U (en) | 2018-01-22 | 2018-01-22 | Except ozone strainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207951128U true CN207951128U (en) | 2018-10-12 |
Family
ID=63734426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820104134.1U Expired - Fee Related CN207951128U (en) | 2018-01-22 | 2018-01-22 | Except ozone strainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207951128U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109395468A (en) * | 2018-10-26 | 2019-03-01 | 无锡风正科技有限公司 | A kind of anti-allergen air filter screen |
-
2018
- 2018-01-22 CN CN201820104134.1U patent/CN207951128U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109395468A (en) * | 2018-10-26 | 2019-03-01 | 无锡风正科技有限公司 | A kind of anti-allergen air filter screen |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 |
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| CF01 | Termination of patent right due to non-payment of annual fee |