CN107569927B - Filter and air conditioner provided with same - Google Patents
Filter and air conditioner provided with same Download PDFInfo
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- CN107569927B CN107569927B CN201610522863.4A CN201610522863A CN107569927B CN 107569927 B CN107569927 B CN 107569927B CN 201610522863 A CN201610522863 A CN 201610522863A CN 107569927 B CN107569927 B CN 107569927B
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Abstract
The invention provides a filter and an air conditioner provided with the filter, wherein the filter comprises a frame and a filter body arranged on the frame, a fixing strip is arranged on the frame, the filter body is arranged on the fixing strip, a flow equalizing groove formed by hot rolling is arranged on the filter body, and the filter body is made of mixed fibers. The filter and the air conditioner provided by the invention have the beneficial effects that: the filter provided by the invention forms uniform conical cells with equal intervals and without partition plates through the flow equalizing grooves on the filter body, thereby being beneficial to flow equalization; and has the characteristics of extremely long service life and low energy consumption in the operation process.
Description
Technical Field
The present invention relates to a filter and an air conditioner having the same.
Background
The filter elements can be used to remove contaminants in a variety of applications. Such elements may include one or more webs. The fiber web provides a porous structure that allows fluid (e.g., gas, liquid) to flow through the element. Contaminant particles contained in the fluid may be trapped by the web. In a filter element comprising a plurality of fiber webs, different webs may be designed to perform different functions and thus may have different characteristics and properties. For example, the filter element may include a fiber web designed primarily to filter contaminants (e.g., an efficiency web) and another fiber web designed primarily to provide mechanical integrity (e.g., a backing).
Permeability relates to the ability of a web to pass through a fluid. It can be expressed as the volume of fluid per unit time passing through a unit area of the web at a fixed pressure differential. A filter element comprising a plurality of fibrous webs may comprise webs having different permeabilities. For example, webs (e.g., backings) that provide mechanical integrity but are generally not dependent on their filtration performance can be designed to have high permeability such that such webs do not reduce the overall permeability of the filter media.
The web may be folded to include sharp, well-defined pleats, which increase the web surface area, which may improve overall efficiency and performance. A web with badly pleated pleats may form rounded uneven pleats when folded. Such non-uniformities can fill the spaces between the pleats, eventually restricting air flow, resulting in reduced efficiency and increased resistance to fluid flow through the web. Several properties of the web can contribute to its ability to wrinkle well, including stiffness and thickness. In general, it can be difficult to pleat high permeability and low thickness fibrous webs because such webs may not typically have sufficient stiffness, among other factors.
Disclosure of Invention
The present invention is directed to overcome the above-mentioned shortcomings of the prior art, and to provide a filter and an air conditioner having the same.
The filter provided by the invention adopts the main technical scheme that: the filter comprises a frame and a filter body arranged on the frame, wherein a fixing strip is arranged on the frame, the filter body is arranged on the fixing strip, a flow equalizing groove formed by hot rolling is arranged on the filter body, and the filter body is made of mixed fibers.
The filter provided by the invention can also have the following auxiliary technical characteristics:
the flow equalizing groove is a polygonal flow equalizing groove or an arc flow equalizing groove.
The fixing strips are arranged on the frame at uniform intervals.
The filter body has a multi-layer mixed fiber structure, the thickness of each layer of mixed fiber is 0.40mm-50.1mm, and the unit area fiber weight of each layer of mixed fiber is 4.8g/m2-300.2g/m2The fiber weight per unit area of the mixed fibers of each layer increases.
The multilayer mixed fiber structure comprises sequentially arranged fibers with the thickness of 6.95-11.05mm and the unit area fiber weight of 50-80.2g/m2The fiber layer of (a); the thickness is 6-10mm, and the fiber weight per unit area is 80-120.2g/m2The fiber layer of (a); the thickness is 4-6mm, and the fiber weight per unit area is 120.1-175.1g/m2The fiber layer has a thickness of 2-4mm and a fiber weight per unit area of 175.1-220.1g/m2The fibrous layer of (2).
Each layer of mixed fiber comprises common fiber and more than 25% of bactericidal fiber by mass percent, wherein the common fiber comprises 15-35% of fiber by mass percent and 2D-3D, 4D-6D, 13D-17D and 18D-22D of fiber by mass percent; the titer of the bactericidal fiber is 2.2D-2.4D.
The bactericidal fiber contains zeolite particles capable of releasing copper ions and silver ions.
The common fiber is non-degradable fiber, the bactericidal fiber is non-degradable bactericidal fiber, and the preparation steps of the mixed fiber comprise:
(1) preparing the non-degradable fiber: the master batch of the non-degradable fiber is directly blown into the non-degradable fiber after being melted at the temperature of 170-180 ℃, and the blowing force is 6-8kg/cm2；
(2) Preparing the nondegradable bactericidal fiber: melting master batch of the non-degradable fiber at the temperature of 170-180 ℃, adding zeolite particles capable of releasing copper ions and silver ions, and blowing into the non-degradable bactericidal fiber with the blowing force of 6-8kg/cm2；
(3) Mixing the non-degradable fibers and the non-degradable bactericidal fibers to prepare the mixed fibers; or
The common fiber is degradable fiber, the bactericidal fiber is degradable bactericidal fiber, and the preparation steps of the mixed fiber comprise:
(1) and preparing degradable fibers: the master batch of the degradable fiber is directly blown into the degradable fiber after being melted at the temperature of 150-170 ℃, and the blowing force is 6-8kg/cm2；
(2) And preparing the degradable bactericidal fiber: melting master batch of the degradable fiber at the temperature of 150-170 ℃, adding zeolite particles capable of releasing copper ions and silver ions, and blowing into the degradable bactericidal fiber with the blowing force of 6-8kg/cm2；
(3) And mixing the degradable fiber and the degradable bactericidal fiber to prepare the mixed fiber.
The elongation of the fiber in the mixed fiber is 10-70%, and the cutting length is 36-40 mm.
The air conditioner provided by the invention adopts the main technical scheme that: the filter comprises a frame and a filter body arranged on the frame, wherein the frame is provided with a fixing strip, the filter body is arranged on the fixing strip, the filter body is provided with a flow equalizing groove formed by hot rolling, and the filter body is made of degradable fibers or non-degradable fibers.
The filter and the air conditioner provided by the invention have the following beneficial effects: the filter provided by the invention forms uniform conical cells with equal intervals and without partition plates through the flow equalizing grooves on the filter body, thereby being beneficial to flow equalization; the effective filtering area is about 20m2The dust holding capacity reaches 1700g, and the rated air quantity is 4250m3The initial pressure difference is only about 110Pa, so that the extremely long service life and low energy consumption in operation are ensured; the outer frame is made of halogen-free engineering plastics, so that the weight is light, the operation is convenient, the incineration treatment can be performed, and the environment is protected and safe; and the laser particle scanning detection is carried out for multiple times one by one, so that the product quality is ensured.
The filter body is made of multiple layers of mixed fibers, presents an increased structure, and has low pressure difference, large dust holding capacity and excellent filtering effect; the filter body without biological activity ensures that microorganisms cannot breed; the glass fiber is not contained, so that the risk of breaking and falling of the glass fiber is avoided; does not contain PVC coloring agent and halogen element, and meets the requirement of environmental protection.
The multi-layer mixed fiber structure provided by the invention is a structure with fiber weight increasing in unit area, so that the filter body has the advantages of good ventilation capability, large dust holding capacity, small resistance of the filter surface, low cost and sterilization capability.
The multilayer mixed fiber structure with the incremental structure is used for preparing filter materials, the filtering efficiency, the wind resistance and the dust holding capacity can be organically combined, and the novel filtering material is efficient, environment-friendly and green. The air purifier can be widely applied to industries such as masks, automobile air conditioner filters, air purifier filter elements, fresh air fan filter elements and the like.
The traditional sterilizing filter material is prepared by coating sterilizing metal (such as nano silver) on fibers, and the sterilizing metal can be washed away after water washing, so that the sterilizing effect is lost; the bactericidal metal can be enriched in the human body, which affects the health of the user. The filter material provided by the invention is formed by mixing zeolite particles containing silver ions and copper ions in a fiber master batch and blowing, and the sterilization components are fused in the fiber, so that the filter material still has a good sterilization effect after being washed by water.
Drawings
Fig. 1 is a perspective view showing a filter according to the present invention.
Fig. 2 is a view showing a structure of a filter body in the filter of the present invention.
Fig. 3 is a schematic cross-sectional view of a first embodiment of a filter material of a filter body in the filter of the present invention.
Fig. 4 is a schematic cross-sectional view of a second embodiment of the filter material of the filter body in the filter of the present invention.
Fig. 5 is a schematic structural diagram of an air conditioner according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1, an embodiment of the filter provided by the present invention includes a frame and a filter body 20 mounted on the frame, a fixing strip 21 is disposed on the frame 23, the filter body 20 is mounted on the fixing strip 21, and a flow equalizing groove 22 formed by hot rolling is disposed on an inner wall of the filter body 20. Preferably, the flow equalization slots 22 are aligned or staggeredThe filter body 20 is made of mixed fibers. The filter provided by the invention forms uniform and equidistant conical cells without partition plates through the flow equalizing grooves 22 on the filter body, thereby being beneficial to flow equalization; the effective filtering area is about 20m2The dust holding capacity reaches 1700g, and the rated air quantity is 4250m3The initial pressure difference is only about 110Pa, so that the extremely long service life and low energy consumption in operation are ensured; the outer frame is made of halogen-free engineering plastics, so that the weight is light, the operation is convenient, the incineration treatment can be performed, and the environment is protected and safe; and the laser particle scanning detection is carried out for multiple times one by one, so that the product quality is ensured.
The flow equalizing groove formed by the roller hot pressing technology is adopted, so that the effective filtering area is increased to the maximum extent, and the air resistance is reduced; because no clapboard is needed for supporting, the structural resistance is reduced to the maximum extent; carrying out multiple laser particle scanning detections one by one to ensure the product quality; the filter does not contain any metal component, and does not have the danger of puncturing the filter material; 100 percent moisture resistance, and is suitable for long-term humid working environment; the special manufacturing processes determine the advantages of large air volume, high dust capacity, low pressure drop and long service life of the product.
Referring to fig. 2, according to the filter provided by the present invention, the cross section of the flow equalizing groove 22 is polygonal or curved, and the flow equalizing groove 22 in the present invention can be triangular, trapezoidal, rhombic, or pentagonal, etc., so that the flow equalizing effect of the filter body 20 is better.
Referring to fig. 2, according to the filter provided by the present invention, the fixing strips 21 are uniformly arranged on the frame 23 at intervals, and the filter body 20 of the present invention is formed by multiple layers of mixed fibers, and has an enhanced structure, low pressure difference, large dust holding capacity, and excellent filtering effect; the filter bag without biological activity ensures that microorganisms cannot breed; the glass fiber is not contained, so that the risk of breaking and falling of the glass fiber is avoided; does not contain PVC coloring agent and halogen element, and meets the requirement of environmental protection.
Referring to fig. 3 and 4, according to the present invention, there is provided a filter having a multi-layered mixed fiber structure in which the mixed fibers of each layer have an increasing fiber weight per unit area, the mixed fibers of each layer have a thickness of 0.40mm to 50.1mm, preferably 0.90mm to 10.1mm, and the mixed fibers of each layer have a fiber weight per unit area of 4.8g/m2-300.2g/m2Preferably 29.8g/m2-300.2g/m2. In one embodiment, the multilayer hybrid fiber structure comprises a thickness of 6.95 to 11.05mm and a fiber weight per unit area of 50 to 80.2g/m arranged in sequence2The fiber layer of (a); the thickness is 6-10mm, and the fiber weight per unit area is 80-120.2g/m2The fiber layer of (a); the thickness is 4-6mm, and the fiber weight per unit area is 120.1-175.1g/m2The fiber layer has a thickness of 2-4mm and a fiber weight per unit area of 175.1-220.1g/m2The fibrous layer of (2).
Preferably, the filter material comprises a fiber having a thickness of 9mm and a fiber weight per unit area of 50-80.2g/m2The fiber layer of (a); the thickness is 8mm, and the fiber weight per unit area is 80-120.2g/m2The fiber layer of (a); the thickness is 5mm, and the fiber weight per unit area is 120.1-175.1g/m2The fiber layer has a thickness of 3mm and a fiber weight per unit area of 175.1-220.1g/m2The fibrous layer of (2).
In an alternative embodiment, as shown in fig. 4, the thickness of each layer of hybrid fibers may also be equal.
Example 1 of Mixed fibers
The mixed fiber of the embodiment comprises non-degradable fiber and non-degradable bactericidal fiber, wherein the non-degradable fiber comprises fiber with the fineness of 2D-3D, 4D-6D, 13D-17D and 18D-22D respectively, and the mass percentage of each of the four fibers is 15-35%. Preferably, the denier may be 2.5D, 5D, 15D and 20D, respectively, each 25%. The fineness of the non-degradable bactericidal fiber is 2.2D-2.4D, and 2.3D is preferred.
Preferably, the mass percentage of the non-degradable bactericidal fiber in the mixed fiber is more than 25%, preferably 25% -40%, and more preferably 25% -30%; the non-degradable bactericidal fiber contains zeolite particles capable of releasing bactericidal metal ions such as copper ions and silver ions, and the mass percentage of the zeolite particles in the non-degradable bactericidal fiber is 0.3% -0.5%. The mass percentage of the non-degradable fiber is less than 75 percent. Preferably, the mixed fiber may comprise only the non-degradable fiber and the non-degradable bactericidal fiber, i.e. the sum of the mass percentages of the non-degradable fiber and the non-degradable bactericidal fiber is 100%.
Preferably, the tenacity of the fibers in the mixed fiber is 3-6g/cm, the elongation is 10-70%, and the cutting length is 36-40 mm. In the present invention, the fiber component is polyethylene terephthalate (PET) fiber or polypropylene (PP) fiber. The mixed fiber obtained by the invention has low production cost, high sterilization efficiency and long sterilization and antiviral capabilities, and can provide continuous, safe and effective antibacterial protection by adopting a unique silver ion and copper ion mixed sterilization technology. Copper ions and silver ions initiate combined attack on cells of bacteria and viruses, the copper ions attack proteins/amino acids of cell walls, so that the silver ions easily invade the cells, and after the silver ions enter cytoplasm, the silver ions react with DNA of genome, so that key enzymes related to respiratory function are inactivated, and key enzymes related to nutrient permeation function of the cell walls are inactivated, and thus extremely high sterilization and antiviral effects are achieved.
The invention also provides a preparation method of the mixed fiber, which comprises the following steps:
(1) preparing the non-degradable fiber: the master batch of the non-degradable fiber is directly blown into the non-degradable fiber after being melted at the temperature of 170-180 ℃, and the blowing force is 6-8kg/cm2；
(2) Preparing the nondegradable bactericidal fiber: melting master batch of non-degradable fiber at 170-180 deg.C, adding zeolite particles capable of releasing bactericidal metal ions such as copper ions and silver ions, and blowing to obtain non-degradable bactericidal fiber with blowing force of 6-8kg/cm2；
(3) And mixing the non-degradable fibers and the non-degradable bactericidal fibers to prepare the mixed fibers, wherein the mass percentage of the non-degradable bactericidal fibers is more than 25%.
The mixed fibers prepared according to the above method were tested for bacteria and viruses using eu standards, and the results are shown in table 1:
table 1 test results of the mixed fibers of the present application against bacteria and viruses
The mixed fibers prepared according to the above method were tested for viruses using eu standards, and the results are shown in table 2:
table 2 test results of the mixed fibers of the present application against viruses
| Viral types | Viral load of input | Logarithmic reduction value |
| Influenza A (H1N1), A/Brisban/59/2007 | 6.20 | ≥4.10±0.00 |
| Influenza A (H1N1), A/Wisconsin/10/98 | 6.20 | ≥4.10±0.00 |
| Influenza A (H1N1), A/puerto rico/8/34 | 6.15 | ≥4.05±0.00 |
| Influenza A (H3N2), A/Wisconsin/67/2005 | 6.49 | ≥4.39±0.00 |
| Influenza A (H3N2), A/Brisban/10/2007 | 6.20 | ≥4.10±0.00 |
| Influenza A (H3N2), A/hong Kong/8/68 | 6.28 | ≥4.18±0.00 |
| Equine influenza (H3N8), A/horse/2/Miami/63 | 6.15 | ≥4.05±0.00 |
| Influenza B, B/Lee/40 | 6.53 | ≥4.43±0.00 |
| Influenza A, A/Victoria/3/75 | 6.74 | ≥4.64±0.00 |
| Avian influenza A (H9N2), A/Turkey/Wisconsin/66 | 6.40 | ≥4.30±0.00 |
| Swine influenza A (H1N1), A/pig/1976/31 | 6.40 | ≥4.30±0.00 |
| Influenza A2 (H2N2, A/2/Japan/305/57) | 6.70 | ≥4.60±0.00 |
| Influenza B, B/Florida/4/2006 | 6.15 | ≥4.05±0.00 |
| Influenza B, B/Brisban/60/2008 | 6.40 | ≥4.30±0.00 |
| Avian influenza (H5N1), A/California/04/09 | 6.90 | ≥4.02±0.00 |
| Influenza A (H1N1), A/California/04/09 | 6.45 | ≥4.05±0.00 |
As can be seen from tables 1 and 2, the blended fiber provided in this example has good bactericidal and antiviral properties. The sterilization fiber structure in the embodiment has excellent filtering capability on particulate matters such as smoke, dust, PM2.5 and the like in the air, gaseous pollutants such as formaldehyde, benzene, ozone, hydrogen sulfide and the like, bacteria, viruses, dead bodies of mites, dandruff and the like.
The principles of fiber adsorption of impurities include gravity, inertia, diffusion (van der waals forces) and electrostatic interactions. The comprehensive consideration is to the smoke, dust, PM2.5 and other particles in the air, formaldehyde, benzene, ozone, hydrogen sulfide and other gaseous pollutants, bacteria, viruses, mite dead bodies, dander and other microorganisms. The applicant has conducted a great deal of tests to define the fineness of the fibers and the incremental structure, so that the filtering efficiency, the wind resistance and the dust holding capacity of the filter body can be organically combined.
Example 2 of the Mixed fibers
The mixed fiber of the embodiment comprises degradable fibers and degradable bactericidal fibers, wherein the degradable fibers comprise fibers with the fineness of 2D-3D, 4D-6D, 13D-17D and 18D-22D respectively, and the mass percent of each of the four fibers is 15-35%. Preferably, the denier may be 2.5D, 5D, 15D and 20D, respectively, each 25%. The fineness of the degradable bactericidal fiber is 2.2D-2.4D, and 2.3D is preferred.
Preferably, the mass percentage of the degradable bactericidal fiber is more than 25%, preferably 25% -40%, and more preferably 25% -30%; the degradable bactericidal fiber is attached with zeolite particles capable of releasing bactericidal metal ions such as copper ions and silver ions, and the zeolite particles account for 0.3-0.5% of the degradable bactericidal fiber by mass. The mass percentage of the degradable fiber is less than 75 percent. Preferably, the mixed fiber may include only degradable fiber and degradable bactericidal fiber, i.e. the sum of the mass percentages of the degradable fiber and the degradable bactericidal fiber is 100%.
The elongation of the fiber in the mixed fiber is 10-70%, and the cutting length is 36-40 mm.
The fibers in this embodiment may be polybutylene succinate (PBS) fibers or polylactic acid (PLA) fibers.
The invention also provides a preparation method of the mixed fiber, which comprises the following steps:
(1) and preparing degradable fibers: the master batch of the degradable fiber is directly blown into the degradable fiber after being melted at the temperature of 150-170 ℃ (preferably 160 ℃), and the blowing force is 6-8kg/cm2；
(2) And preparing the degradable bactericidal fiber: melting master batch of degradable fiber at 150-170 ℃ (preferably 160 ℃), adding zeolite particles capable of releasing bactericidal metal ions such as copper ions and silver ions, and blowing into degradable bactericidal fiber with blowing force of 6-8kg/cm2；
(3) And mixing the degradable fibers and the degradable bactericidal fibers to prepare the mixed fibers, wherein the mass percentage of the degradable bactericidal fibers is more than 25%.
Bacterial and viral tests were also performed on the multilayer mixed fiber structure of this example, with similar bactericidal and antiviral effects as example 1 (described in tables 1 and 2). The multilayer mixed fiber structure of the incremental structure is used for preparing filter materials, the filtering efficiency, the wind resistance and the dust holding capacity can be organically combined, and the multilayer mixed fiber structure can be widely applied to industries such as masks, automobile air conditioner filters, air purifier filter elements and fresh air fan filter elements.
As shown in fig. 5, an embodiment of an air conditioner according to the present invention includes a body 5, an air opening 51, and a filter 2, where the filter 2 is the filter provided in the above embodiment.
The above-described embodiment is only one of the preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.
Claims (5)
1. A filter comprising a frame and a filter body mounted on the frame, characterized in that: the frame is provided with a fixing strip, the filter body is arranged on the fixing strip, the filter body is provided with a flow equalizing groove formed by hot rolling, the flow equalizing groove is arranged in parallel to the air inlet direction, and the filter body is made of mixed fibers; the filter body has a multi-layer mixed fiber structure, the thickness of each layer of mixed fiber is 0.40mm-50.1mm, and the unit area fiber weight of each layer of mixed fiber is 4.8g/m2-300.2g/m2The weight of the fiber per unit area of each layer of the mixed fiber is increased progressively;
the multilayer mixed fiber structure comprises sequentially arranged fibers with the thickness of 6.95-11.05mm and the unit area fiber weight of 50-80.2g/m2The fiber layer of (a); the thickness is 6-10mm, and the fiber weight per unit area is 80-120.2g/m2The fiber layer of (a); the thickness is 4-6mm, and the fiber weight per unit area is 120.1-175.1g/m2The fiber layer has a thickness of 2-4mm and a fiber weight per unit area of 175.1-220.1g/m2The fiber layer of (a);
each layer of mixed fiber comprises common fiber and more than 25% of bactericidal fiber by mass percent, wherein the common fiber comprises 15-35% of fiber by mass percent and 2D-3D, 4D-6D, 13D-17D and 18D-22D of fiber by mass percent; the titer of the bactericidal fiber is 2.2D-2.4D;
the bactericidal fiber contains zeolite particles capable of releasing copper ions and silver ions;
the common fiber is non-degradable fiber, the bactericidal fiber is non-degradable bactericidal fiber, and the preparation steps of the mixed fiber comprise:
(1) preparing the non-degradable fiber: the master batch of the non-degradable fiber is directly blown into the non-degradable fiber after being melted at the temperature of 170-180 ℃, and the blowing force is 6-8kg/cm2；
(2) Preparing the nondegradable bactericidal fiber: melting master batch of the non-degradable fiber at the temperature of 170-180 ℃, adding zeolite particles capable of releasing copper ions and silver ions, and blowing into the non-degradable bactericidal fiber with the blowing force of 6-8kg/cm2；
(3) Mixing the non-degradable fibers and the non-degradable bactericidal fibers to prepare the mixed fibers;
or
The common fiber is degradable fiber, the bactericidal fiber is degradable bactericidal fiber, and the preparation steps of the mixed fiber comprise:
(1) and preparing degradable fibers: the master batch of the degradable fiber is directly blown into the degradable fiber after being melted at the temperature of 150-170 ℃, and the blowing force is 6-8kg/cm2；
(2) And preparing the degradable bactericidal fiber: melting master batch of the degradable fiber at the temperature of 150-170 ℃, adding zeolite particles capable of releasing copper ions and silver ions, and blowing into the degradable bactericidal fiber with the blowing force of 6-8kg/cm2；
(3) And mixing the degradable fiber and the degradable bactericidal fiber to prepare the mixed fiber.
2. The filter of claim 1, wherein: the flow equalizing groove is a polygonal flow equalizing groove or an arc flow equalizing groove.
3. The filter of claim 1, wherein: the fixing strips are arranged on the frame at uniform intervals.
4. A filter according to claim 1, wherein: the elongation of the fiber in the mixed fiber is 10-70%, and the cutting length is 36-40 mm.
5. An air conditioner comprising the filter of any one of claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610522863.4A CN107569927B (en) | 2016-07-04 | 2016-07-04 | Filter and air conditioner provided with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610522863.4A CN107569927B (en) | 2016-07-04 | 2016-07-04 | Filter and air conditioner provided with same |
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| CN107569927A CN107569927A (en) | 2018-01-12 |
| CN107569927B true CN107569927B (en) | 2021-02-23 |
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| EP0382330A1 (en) * | 1989-02-08 | 1990-08-16 | Hans-Joachim Dr. Lippold | Filter cartridge and method of manufacturing same |
| CN2634368Y (en) * | 2003-06-25 | 2004-08-18 | 王家君 | Antibacterial air conditioner filter net |
| CN1761511A (en) * | 2003-03-20 | 2006-04-19 | Ambic有限公司 | Nonwoven fabric air filter for internal combustion engine |
| CN103520999A (en) * | 2012-07-06 | 2014-01-22 | 北京服装学院 | Antibacterial composite nanometer fiber high-efficiency air filtering material and preparation method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038392C (en) * | 1994-12-28 | 1998-05-20 | 张建德 | Disinfection type air purification material and its preparation |
| CN2469980Y (en) * | 2001-01-18 | 2002-01-09 | 游象扬 | Filtering net |
| CN100393391C (en) * | 2006-03-06 | 2008-06-11 | 杭州川井电气有限公司 | Filter for air cleaning device |
| JP2008093605A (en) * | 2006-10-13 | 2008-04-24 | Gogou Kk | Prefilter for air conditioning machine |
| CN205310971U (en) * | 2016-01-13 | 2016-06-15 | 浙江三星特种纺织股份有限公司 | High temperature resistant ladder filters compound filter felt of formula gas -solid separation |
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2016
- 2016-07-04 CN CN201610522863.4A patent/CN107569927B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0382330A1 (en) * | 1989-02-08 | 1990-08-16 | Hans-Joachim Dr. Lippold | Filter cartridge and method of manufacturing same |
| CN1761511A (en) * | 2003-03-20 | 2006-04-19 | Ambic有限公司 | Nonwoven fabric air filter for internal combustion engine |
| CN2634368Y (en) * | 2003-06-25 | 2004-08-18 | 王家君 | Antibacterial air conditioner filter net |
| CN103520999A (en) * | 2012-07-06 | 2014-01-22 | 北京服装学院 | Antibacterial composite nanometer fiber high-efficiency air filtering material and preparation method thereof |
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