CN216259612U - Filter core and cigarette machine - Google Patents
Filter core and cigarette machine Download PDFInfo
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- CN216259612U CN216259612U CN202120357261.4U CN202120357261U CN216259612U CN 216259612 U CN216259612 U CN 216259612U CN 202120357261 U CN202120357261 U CN 202120357261U CN 216259612 U CN216259612 U CN 216259612U
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Abstract
The utility model discloses a filter element and a cigarette machine, the filter element comprises a first fiber filter layer, an HEPA filter layer and a second fiber filter layer, the first fiber filter layer is a nano fiber filter layer or a glass fiber filter layer, used for filtering water vapor and large oil smoke particles in the air, the HEPA filter layer is arranged on one side of the first fiber filter layer, used for filtering the oil smoke particles in the air filtered by the first fiber filtering layer, the second fiber filtering layer is arranged at one side of the HEPA filtering layer, the air purification device provided with the filter element can absorb and filter escaping oil smoke in the kitchen environment and send out clean air to purify the kitchen environment and protect the body health of a user, and through set up first fiber filter layer in HEPA filter layer front end with filtration steam and oil smoke large granule, can play the guard action to the HEPA filter layer, prolong the life of HEPA filter layer.
Description
Technical Field
The utility model relates to the technical field of kitchen appliances, in particular to a filter element and a range hood.
Background
During cooking, edible oil, food and various seasonings undergo a series of physical and chemical reactions such as evaporation, oxidation, cracking, polymerization and the like at high temperature to generate products containing various components such as protein, high molecular compounds and the like, namely oil smoke containing gas, liquid and solid, which is emitted into the air in the form of oil mist.
The inventor of the present application found in long-term research and development that the harmful effect of soot pollution on human health has become an important indoor environmental problem. Although the range hood can rapidly discharge waste gas generated by combustion of a stove and oil smoke generated in the cooking process to the outside, escaping pollutants cannot be avoided, and the pollutants stay in a kitchen for a long time, thus threatening the health of people. At present, an air purification device is generally used in a relatively good environment such as a bedroom or a living room, and cannot generate a relatively good filtering effect on oil smoke.
SUMMERY OF THE UTILITY MODEL
The utility model provides a filter element and a range hood, and aims to solve the technical problem that the filter element of an air purification device in the prior art cannot well filter oil smoke.
In order to solve the above technical problems, one technical solution adopted by the present invention is to provide a filter element for an air purification device in a kitchen, comprising:
the first fiber filter layer is a nanofiber filter layer or a glass fiber filter layer and is used for filtering water vapor and large oil smoke particles in air;
the HEPA filter layer is arranged on one side of the first fiber filter layer and is used for filtering small oil smoke particles in the air filtered by the first fiber filter layer;
the second fiber filtering layer is arranged on one side of the HEPA filtering layer.
In a specific embodiment, the nanofiber filter layer is made of a polyvinylidene fluoride material by an electrostatic spinning process.
In one embodiment, the first fibrous filtration layer has a thickness of 0.1 μm to20 μm, the grammage of the first fibrous filtration layer being 0.1g/m2To 10g/m2。
In a specific embodiment, the HEPA filter layer is made of a polypropylene material through a melt-blown electret process; or
The HEPA filter layer is made of glass fiber materials.
In a specific embodiment, the first fiber filter layer is a glass fiber filter layer, the second fiber filter layer is disposed on a side of the HEPA filter layer away from the first fiber filter layer, and the filter element only includes the first fiber filter layer, the HEPA filter layer, and the second fiber filter layer.
In a specific embodiment, the second fiber filter layer is made of a non-woven fabric material, a polypropylene material or a cellucotton material, and the gram weight of the second fiber filter layer is 10g/m2To 100g/m2。
In a specific embodiment, the filter element further comprises an activated carbon filter layer, and the activated carbon filter layer is arranged between the HEPA filter layer and the second fiber filter layer and is used for further filtering the air filtered by the HEPA filter layer.
In a specific embodiment, the filter element further comprises a catalytic filter layer, the catalytic filter layer is disposed between the HEPA filter layer and the second fiber filter layer, the catalytic filter layer comprises activated carbon particles and catalyst particles attached to the surfaces of the activated carbon particles, and the ratio of the mass of the catalyst particles to the total mass of the catalyst particles and the activated carbon particles is 0.01% -20.0%.
In a specific embodiment, the filter element further includes a catalytic filter layer disposed between the HEPA filter layer and the second fiber filter layer, the catalytic filter layer includes a catalyst carrier and catalyst particles attached to the catalyst carrier, and a mass ratio of the catalyst particles to a total mass of the catalyst carrier and the catalyst particles is 0.01% to 10.0%.
In order to solve the technical problem, another technical scheme adopted by the utility model is to provide a cigarette making machine, which comprises:
a cigarette machine main body;
air purification device set up in the cigarette machine main part or set up in the outside of cigarette machine main part, air purification device include the casing and set up in filter core in the casing, the casing is formed with air intake and air outlet, the filter core can be to the warp the air intake gets into the air of casing filters, after the filtration the air warp the air outlet flows, wherein, the filter core is as above-mentioned filter core.
The filter element comprises a first fiber filter layer, an HEPA filter layer and a second fiber filter layer, wherein the first fiber filter layer is a nano fiber filter layer or a glass fiber filter layer and is used for filtering water vapor and large oil smoke particles in air, the HEPA filter layer is arranged on one side of the first fiber filter layer and is used for filtering small oil smoke particles in the air filtered by the first fiber filter layer, the second fiber filter layer is arranged on one side of the HEPA filter layer, escaping oil smoke in a kitchen environment can be absorbed and filtered through an air purification device provided with the filter element, clean air is sent out to purify the kitchen environment and protect the body health of a user, and the first fiber filter layer is arranged at the front end of the HEPA filter layer to filter the water vapor and the large oil smoke particles, so that the protection effect on the HEPA filter layer can be achieved, and the service life of the HEPA filter layer is prolonged.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts,
wherein:
FIG. 1 is a schematic cross-sectional view of one embodiment of a filter cartridge of the present invention;
FIG. 2 is a schematic cross-sectional view of another embodiment of a filter cartridge of the present invention;
FIG. 3 is a schematic cross-sectional view of another embodiment of a filter cartridge of the present invention;
FIG. 4 is a schematic cross-sectional view of another embodiment of a cartridge of the present invention;
FIG. 5 is a schematic cross-sectional view of another embodiment of a filter cartridge of the present invention;
FIG. 6 is a schematic cross-sectional view of another embodiment of a cartridge of the present invention;
FIG. 7 is a schematic cross-sectional view of another embodiment of a cartridge of the present invention;
FIG. 8 is a schematic cross-sectional view of another embodiment of a cartridge of the present invention;
FIG. 9 is a schematic cross-sectional view of another embodiment of a cartridge of the present invention;
figure 10 is a front view schematic diagram of one embodiment of a cigarette maker of the present invention;
figure 11 is a schematic side view illustration of one embodiment of a cigarette maker of the present invention;
figure 12 is a schematic diagram of an exploded view of an air purification device in an embodiment of a range hood in accordance with the present invention;
FIG. 13 is a schematic view of the structure of the engaging portion of the air cleaning device in an embodiment of the cigarette making machine according to the present invention;
FIG. 14 is an exploded view of an embodiment of the air purification apparatus of the present invention;
FIG. 15 is an exploded view of the engaging portion and the disposable filter of the air purifying device according to the embodiment of the present invention;
figure 16 is a front elevational schematic view of another embodiment of a cigarette maker of the present invention;
figure 17 is a schematic side view of another embodiment of a cigarette machine of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The terms "first" and "second" in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus. While the term "and/or" is merely one type of association that describes an associated object, it means that there may be three types of relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
Referring to fig. 1, an embodiment of a Filter element 100 of the present invention is an Air purification apparatus for a kitchen, including a first fiber Filter layer 110, a HEPA (High Efficiency Air Filter) Filter layer 120, and a second fiber Filter layer 130, where the first fiber Filter layer 110 is a nanofiber Filter layer or a glass fiber Filter layer, the first fiber Filter layer 110 is used for filtering water vapor and large oil smoke particles in Air, the HEPA Filter layer 120 is disposed on one side of the first fiber Filter layer 110, the HEPA Filter layer 120 is used for filtering small oil smoke particles in Air filtered by the first fiber Filter layer 110, the second fiber Filter layer 130 is disposed on one side of the HEPA Filter layer 120, and the Air purification apparatus with the Filter element 100 mounted thereon can absorb and Filter oil smoke escaping from the kitchen environment and send out clean Air to purify the kitchen environment and protect the body health of a user, and set up first fiber filter layer 110 with filtration steam and oil smoke large granule through at HEPA filter layer 120 front end, can play the guard action to HEPA filter layer 120, prolong HEPA filter layer 120's life.
In this embodiment, the first fiber filter layer 110, the HEPA filter layer 120, and the second fiber filter layer 130 are stacked, so that the filter element 100 has a more compact structure and higher filtering efficiency.
In other embodiments, the first fiber filter layer 110, the HEPA filter layer 120, and the second fiber filter layer 130 may be disposed at intervals, which is not limited herein.
In this embodiment, the first fiber filter layer 110, the HEPA filter layer 120, and the second fiber filter layer 130 are linearly stacked, so that air can pass through quickly, and the filtering efficiency is improved.
In other embodiments, the first fiber filter layer 110, the HEPA filter layer 120, and the second fiber filter layer 130 may also be disposed in a zigzag-shaped stacking manner or a wave-shaped stacking manner, which can increase the filtering area of the filter element 100, reduce the resistance to air, and improve the filtering effect.
In this embodiment, the first fiber filter layer 110, the HEPA filter layer 120, and the second fiber filter layer 130 may be assembled by a hot pressing process or an adhesive process, so that the overall structure of the filter element 100 is more stable and compact.
In the present embodiment, the thickness of the first fibrous filtration layer 110 is 0.1 μm to 20 μm, for example, 0.1 μm, 13 μm, 20 μm or the like, and the grammage of the first fibrous filtration layer 110 is 0.1g/m2To 10g/m2For example 0.1g/m2、7g/m2Or 10g/m2And the filter can ensure a certain filtering effect of filtering water vapor and large oil smoke particles, and simultaneously occupies a smaller space and a smaller filtering resistance, thereby being beneficial to improving the filtering efficiency.
In this embodiment, first fiber filter layer 110 can be the glass fiber filter layer, and second fiber filter layer 130 sets up in the one side that first fiber filter layer 110 was kept away from to HEPA filter layer 120, and filter core 100 only includes first fiber filter layer 110, HEPA filter layer 120 and second fiber filter layer 130, and its simple structure, easily preparation, occupation space are little to can realize better filter effect, guarantee HEPA filter layer 120's life.
In another embodiment, the first fiber filtering layer 110 may be a nanofiber filtering layer, and the nanofiber filtering layer may be made of PVDF (poly (1,1-difluoroethylene)) material through an electrostatic spinning process, so as to achieve a better effect of filtering large oil smoke particles.
In this embodiment, HEPA filter layer 120 can be made for Polypropylene (PP) material through the melt-blown electret process, and the melt-blown process can form the superfine fiber of capillary structure, has increased fibrous quantity and the surface area in HEPA filter layer 120's unit area to make air filter's effect better, and can also play the effect of holding dirt, and electret process can increase HEPA filter layer 120 electrostatic absorption effect, further improves air filter's effect.
In other embodiments, the HEPA filter 120 may also be made of fiberglass material, which is not limited herein.
In this embodiment, the second fiber filter layer 130 may be made of a non-woven fabric material, which can perform a further filtering effect and also can perform a supporting function on the first fiber filter layer 110 and the HEPA filter layer 120, so that the structure of the filter element 100 is more stable.
In other embodiments, the second fiber filter layer 130 may also be made of other materials with filtering and supporting effects, such as polypropylene material or fiber cotton material, and is not limited herein.
In this embodiment, the grammage of the second fibrous filtration layer 130 is 10g/m2To 100g/m2E.g. 10g/m2、57g/m2Or 100g/m2And the filter can ensure a certain filtering effect, occupies smaller space and filtering resistance, and is favorable for improving the filtering efficiency.
Referring to table 1, the composite filter paper composed of the first fiber filter layer 110, the HEPA filter layer 120, and the second fiber filter layer 130 of the present invention is manufactured into a flat filter screen sample of about 220 × 45 × 40mm by cutting, folding, molding, and the like, and is put into an air purification apparatus, according to the test method of national standard GB/T18801-2015, the CADR value and CCM value of the soot particles in the hurricane gear of the air purifier are tested, and compared with a filter screen of the same gram weight woven by a conventional PET (Polyethylene Terephthalate) material or a polypropylene material, the filter cartridge 100 of the present invention has a better filtering effect.
TABLE 1
| Filter screen type | Particulate CADR (m)3/h) | Particulate matter CCM (mg) |
| Conventional filter screen | 106 | 3800 |
| This application filter screen | 102 | 6160 |
Referring to fig. 2, another embodiment of the filter element 100 of the present invention includes a first fiber filter layer 110, a HEPA filter layer 120, an activated carbon filter layer 140, and a second fiber filter layer 130, wherein the structures of the first fiber filter layer 110, the HEPA filter layer 120, and the second fiber filter layer 130 are referred to the above embodiment of the filter element 100, and are not described herein again.
In this embodiment, the activated carbon filter layer 140 is disposed between the HEPA filter layer 120 and the second fiber filter layer 130, and is used for further filtering the air filtered by the HEPA filter layer 120, and can adsorb odor and the like in the air, thereby improving the filtering effect.
Referring to fig. 3, another embodiment of the filter element 100 of the present invention includes a first fiber filter layer 110, a HEPA filter layer 120, a catalytic filter layer 150, and a second fiber filter layer 130, wherein the structures of the first fiber filter layer 110, the HEPA filter layer 120, and the second fiber filter layer 130 are referred to the above embodiment of the filter element 100, and are not described herein again.
In this embodiment, the catalytic filter layer 150 is disposed between the HEPA filter layer 120 and the second fiber filter layer 130, the catalytic filter layer 150 may include activated carbon particles and catalyst particles attached to the surface of the activated carbon particles, the activated carbon particles may absorb the remaining oil smoke particles and other impurities in the air, and may absorb the odor in the air, thereby improving the filtering effect, and the catalyst particles may accelerate the air purifying speed of the filter element 100, thereby improving the filtering efficiency.
In this embodiment, the ratio of the mass of the catalyst particles to the total mass of the catalyst particles and the activated carbon particles is 0.01% to 20.0%, for example, 0.01%, 14.8%, or 20.0%, which can achieve better comprehensive effects of adsorption and catalysis, and improve the filtering effect and efficiency.
In this embodiment, the carbon tetrachloride adsorption rate of the activated carbon particles is greater than or equal to 60%, for example, 60%, 76%, or 83%, and the particle size of the activated carbon particles is 20 mesh to 100 mesh, for example, 20 mesh, 62 mesh, or 100 mesh, which can achieve better adsorption effect and improve the filtration effect.
In this embodiment, the material of the catalyst particles may be MnOx、CeOx、Co3O4、FeOx、CuxO、NiO、TiO2The copolymer of one or more of the above can achieve better catalytic effect and improve the filtration efficiency.
In another embodiment, the catalytic filter layer 150 is disposed between the HEPA filter layer 120 and the second fiber filter layer 130, and the catalytic filter layer 150 may include a catalyst carrier and catalyst particles attached to the catalyst carrier, wherein the catalyst carrier may have a porous structure, and can further filter air, and the catalyst particles can accelerate the speed of purifying air by the filter element 100, thereby improving the filtering efficiency.
Wherein, the mass ratio of the catalyst particles to the total mass of the catalyst carrier and the catalyst particles is 0.01-10.0%, such as 0.01%, 6.7% or 10.0%, etc., which can achieve better comprehensive effects of adsorption and catalysis, and improve the filtering effect and efficiency.
Wherein the catalyst carrier may be MnOx、CeOx、Co3O4、FeOx、CuxO、NiO、TiO2The catalyst particles can be formaldehyde catalyst particles, the particle size of the catalyst particles is 20-100 meshes, such as 20 meshes, 59 meshes or 100 meshes, and the like, and both the catalyst carrier and the catalyst particles can play a catalytic role, so that the filtration efficiency is further improved.
The catalytic filter layer 150 may further include a metal layer coated on the surface of the catalyst carrier, and the metal layer is made of at least one of Pt, Pd, Au, Ru, Rh, and Ag, so as to further increase the catalytic speed of the catalyst particles, thereby improving the catalytic effect and further improving the filtering efficiency.
Referring to fig. 4, another embodiment of the filter element 100 of the present invention includes a first fiber filter layer 110, a HEPA filter layer 120, an activated carbon filter layer 140, a catalytic filter layer 150, and a second fiber filter layer 130, wherein the structures of the first fiber filter layer 110, the HEPA filter layer 120, the activated carbon filter layer 140, the catalytic filter layer 150, and the second fiber filter layer 130 are referred to the above embodiment of the filter element 100 and will not be described herein again.
Wherein, activated carbon filter layer 140 sets up in the one side that HEPA filter layer 120 keeps away from first fiber filter layer 110, and catalysis filter layer 150 sets up in the one side that HEPA filter layer 120 is kept away from to activated carbon filter layer 140, through setting up activated carbon filter layer 140 and catalysis filter layer 150 simultaneously for filter core 100 can enough possess the ability of adsorbing the peculiar smell, can accelerate filter speed again, and further improves filter effect and the efficiency of filter core 100.
In other embodiments, the positions of activated carbon filter layer 140 and catalytic filter layer 150 may be interchanged, and are not limited herein.
Referring to fig. 5, another embodiment of the filter element 200 of the present invention is an air purification apparatus for a kitchen, including a Polytetrafluoroethylene (PTFE) filter layer 210, a HEPA filter layer 220, and a fiber filter layer 230, wherein the PTFE filter layer 210 is used for filtering large oil smoke particles in air, the HEPA filter layer 220 is disposed on one side of the PTFE filter layer 210, the HEPA filter layer 220 is used for filtering small oil smoke particles in air filtered by the PTFE filter layer 210, the fiber filter layer 230 is disposed on one side of the HEPA filter layer 220, and the air purification apparatus with the filter element 200 can absorb and filter escaping oil smoke in a kitchen environment, send out clean air, purify the kitchen environment, protect the health of a user, and can play a role in protecting the HEPA filter layer 220 by disposing the PTFE filter layer 210 at the front end of the HEPA filter layer 220 to filter large oil smoke particles, extending the useful life of the HEPA filter 220.
In this embodiment, the polytetrafluoroethylene filter layer 210, the HEPA filter layer 220, and the fiber filter layer 230 may be stacked, so that the filter element 200 has a more compact structure and higher filtering efficiency.
In other embodiments, the polytetrafluoroethylene filter layer 210, the HEPA filter layer 220, and the fiber filter layer 230 may be disposed at intervals, which is not limited herein.
In this embodiment, the fiber filtering layer 230 is disposed on one side of the HEPA filtering layer 220 away from the polytetrafluoroethylene filtering layer 210, and the filter element 200 only includes the polytetrafluoroethylene filtering layer 210, the HEPA filtering layer 220 and the fiber filtering layer 230, and has a simple structure, is easy to prepare, occupies a small space, can realize a good filtering effect, and ensures the service life of the HEPA filtering layer 220.
In this embodiment, the ptfe filter layer 210 is a thin film made of ptfe through a swelling and stretching process and having a plurality of micropores with a pore size of 0.02 μm to 2.5 μm, such as 0.02 μm, 1.6 μm, or 2.5 μm, which can achieve a good effect of filtering large soot particles.
In the present embodiment, the polytetrafluoroethylene filter layer 210 has a thickness of 1 μm to 20 μm, for example 1 μm, 17 μm or 20 μm, etc., and the polytetrafluoroethylene filter layer 210 has a grammage of 0.1g/m2To 10g/m2For example 0.1g/m2、6.2g/m2Or 10g/m2And the filter can ensure a certain filtering effect of filtering large oil smoke particles, and simultaneously occupies a smaller space and a smaller filtering resistance, thereby being beneficial to improving the filtering efficiency.
In this embodiment, HEPA filter layer 220 can be made for the polypropylene material through the melt-blown electret technology, and the melt-blown technology can form the superfine fiber of capillary structure, has increased fibrous quantity and the surface area in HEPA filter layer 220's unit area to make air filter's effect better, and can also play the effect of holding dirt, and electret technology can increase HEPA filter layer 220 electrostatic absorption effect, further improves air filter's effect.
In other embodiments, the HEPA filter layer 220 may also be made of fiberglass material, which is not limited herein.
In this embodiment, the fiber filter layer 230 may be made of a non-woven fabric material, which can perform a further filtering effect and also can support the polytetrafluoroethylene filter layer 210 and the HEPA filter layer 220, so that the structure of the filter element 200 is more stable.
In other embodiments, the fiber filter layer 230 may also be made of other materials with filtering and supporting effects, such as polypropylene material or fiber cotton material, and is not limited herein.
In this embodiment, the fibrous filtration layer 230 has a grammage of 10g/m2To 100g/m2E.g. 10g/m2、57g/m2Or 100g/m2And the filter can ensure a certain filtering effect, occupies smaller space and filtering resistance, and is favorable for improving the filtering efficiency.
Referring to fig. 6, another embodiment of the filter element 200 of the present invention includes a polytetrafluoroethylene filter layer 210, a HEPA filter layer 220, an activated carbon filter layer 240, and a fiber filter layer 230, wherein the structures of the polytetrafluoroethylene filter layer 210, the HEPA filter layer 220, and the fiber filter layer 230 are referred to the above embodiment of the filter element 200, and are not described herein again.
In this embodiment, the activated carbon filter layer 240 is disposed between the HEPA filter layer 220 and the fiber filter layer 230, and is used for further filtering the air filtered by the HEPA filter layer 220, and can adsorb odor and the like in the air, thereby improving the filtering effect.
Referring to fig. 7, another embodiment of the filter element 200 of the present invention includes a polytetrafluoroethylene filter layer 210, a HEPA filter layer 220, a catalytic filter layer 250, and a fiber filter layer 230, wherein the structure of the polytetrafluoroethylene filter layer 210, the HEPA filter layer 220, and the fiber filter layer 230 is referred to the above embodiment of the filter element 200, and is not described herein again.
In this embodiment, the catalytic filter layer 250 is disposed between the HEPA filter layer 220 and the fiber filter layer 230, and the structure of the catalytic filter layer 250 can be referred to the catalytic filter layer 150 in the above-mentioned embodiment of the filter element 100, which is not described herein again.
Referring to fig. 8, another embodiment of the filter element 200 of the present invention includes a polytetrafluoroethylene filter layer 210, a HEPA filter layer 220, an activated carbon filter layer 240, a catalytic filter layer 250, and a fiber filter layer 230, wherein the structure of the polytetrafluoroethylene filter layer 210, the HEPA filter layer 220, and the fiber filter layer 230 is referred to the above embodiment of the filter element 200, and will not be described herein again.
Wherein, activated carbon filter layer 240 sets up in the one side that HEPA filter layer 220 kept away from polytetrafluoroethylene filter layer 210, and catalysis filter layer 250 sets up in the one side that HEPA filter layer 220 was kept away from to activated carbon filter layer 240, through setting up activated carbon filter layer 240 and catalysis filter layer 250 simultaneously for filter core 200 can enough possess the ability of adsorbing the peculiar smell, can accelerate filter speed again, and further improves filter effect and the efficiency of filter core 200.
In other embodiments, the positions of activated carbon filter layer 240 and catalytic filter layer 250 may be interchanged, and are not limited herein.
Referring to fig. 9, another embodiment of the filter element 300 of the present invention is an air purification apparatus for kitchen, including a first fiber filter layer 310, a HEPA filter layer 320, a catalytic filter layer 330, and a second fiber filter layer 340, wherein the first fiber filter layer 310 is used for filtering large oil smoke particles in air, the HEPA filter layer 320 is disposed at one side of the first fiber filter layer 310 and is used for filtering small oil smoke particles in air filtered by the first fiber filter layer 310, the catalytic filter layer 330 is disposed at one side of the HEPA filter layer 320 and is used for catalyzing reactants in air filtered by the HEPA filter layer 320, the second fiber filter layer 340 is used for supporting the first fiber filter layer 310, the HEPA filter layer 320, and the catalytic filter layer 330, the second fiber filter layer 340 can also play a role in filtering air, and oil smoke escaping from kitchen environment can be absorbed and filtered by the air purification apparatus in which the filter element 300 is installed, send out clean air, with the purification kitchen environment, the protection user's is healthy, and through setting up first fiber filter layer 310 at HEPA filter layer 320 front end with the filtration oil smoke large granule, can play the guard action to HEPA filter layer 320, prolong HEPA filter layer 320's life, can make filter core 300 air-purifying's speed accelerate through setting up catalysis filter layer 330, thereby improve filtration efficiency.
In this embodiment, the first fiber filter layer 310, the HEPA filter layer 320, the catalytic filter layer 330, and the second fiber filter layer 340 may be stacked, so that the filter element 300 has a more compact structure and higher filtering efficiency.
In other embodiments, the first fiber filter layer 310, the HEPA filter layer 320, the catalytic filter layer 330, and the second fiber filter layer 340 may be disposed at intervals, which is not limited herein.
In the present embodiment, the thickness of the first fibrous filtration layer 310 is 0.1 μm to 20 μm, for example, 0.1 μm, 13 μm, 20 μm or the like, and the grammage of the first fibrous filtration layer 310 is 0.1g/m2To 10g/m2For example 0.1g/m2、7g/m2Or 10g/m2And the filter can ensure a certain filtering effect of filtering water vapor and large oil smoke particles, and simultaneously occupies a smaller space and a smaller filtering resistance, thereby being beneficial to improving the filtering efficiency.
In this embodiment, the first fiber filter layer 310 may be a nanofiber filter layer or a glass fiber filter layer, and the specific structure thereof is referred to the first fiber filter layer 110 in the above-mentioned embodiment of the filter element 100, which is not described herein again. Through setting up first fiber filter layer 310 into nanofiber filter layer or glass fiber filter layer, not only can play the effect of filtering the big granule of oil smoke, can also play the effect of filtering steam, and then can protect HEPA filter layer 320 better, further prolong HEPA filter layer 320's life.
In this embodiment, the catalytic filter layer 330 is disposed on a side of the HEPA filter layer 320 away from the first fiber filter layer 310, and the structure of the catalytic filter layer 330 can be referred to the catalytic filter layer 150 in the above embodiment of the filter element 100, which is not described herein again.
In this embodiment, the HEPA filter layer 320 may be made of a polypropylene material or a glass fiber material, and the second fiber filter layer 340 may be made of a non-woven fabric material, a polypropylene material, or a fiber cotton material, and the specific structures thereof are referred to the HEPA filter layer 120 and the second fiber filter layer 130 in the above embodiment of the filter element 100, which are not described herein again.
Referring to fig. 10 and 11, an embodiment of the cigarette machine of the present invention includes an air cleaning device 10 and a cigarette machine main body 20, wherein the air cleaning device 10 is disposed outside the cigarette machine main body 20, and is used for absorbing and filtering escaping lampblack which is not sucked by the cigarette machine main body 20 in a kitchen environment, and sending out clean air to clean the kitchen environment and protect the health of a user.
In other embodiments, the air purifying device 10 may be disposed within the cigarette maker body 20, and is not limited thereto.
Referring to fig. 12 and 13 together, in the present embodiment, the air purification apparatus 10 includes a housing 400 and a filter element 500 disposed in the housing 400, the housing 400 is formed with an air inlet 422 and an air outlet 412, the filter element 500 can filter air entering the housing 400 through the air inlet 422, and the filtered air flows out through the air outlet 412, wherein the specific structure of the filter element 500 refers to the above-mentioned filter element embodiment, which is not limited herein.
In this embodiment, the housing 400 includes a main body portion 410 and a fastening portion 420, the main body portion 410 is formed with a mounting groove 411 and an air outlet 412, the fastening portion 420 is disposed in the mounting groove 411, the fastening portion 420 is formed with an accommodating cavity 421 and an air inlet 422, and the filter cartridge 500 is disposed in the accommodating cavity 421, so as to facilitate the mounting and dismounting of the filter cartridge 500.
In other embodiments, a receiving cavity (not shown) for receiving the filter cartridge 500 may be formed directly by the housing 400, and is not limited herein.
Referring to fig. 14 and 15, an embodiment of the air purification apparatus 30 of the present invention includes a housing 600, a disposable filter screen 700 and a filter element 800, the housing 600 is formed with a mounting groove 611 and an air inlet 622 communicated with the mounting groove 611, the disposable filter screen 700 is disposed on the housing 600 and covers the air inlet 622 for performing a first filtering on air passing through the air inlet 622, the filter element 800 is disposed in the mounting groove 611 and is disposed independently from the disposable filter screen 700 for performing a second filtering on air entering the mounting groove 611 from the air inlet 622, the disposable filter screen 700 is disposed at a front end of the filter element 800 for performing the first filtering on air, so as to filter moisture and/or large oil smoke particles in the air, thereby reducing or avoiding blocking and damage of the filter element 800 due to the large moisture and/or large oil smoke particles, and playing a role in protecting the filter element 800, prolong filter core 800's life to because mutual independence sets up between filter core 800 and the disposable filter screen 700, the dismouting of disposable filter screen 700 can not lead to the fact the influence to filter core 800, and the dismouting of disposable filter screen 700 is more convenient, and can make its filter effect keep in better state through keeping the disposable filter screen 700 of certain frequency change, further improves the protection effect to filter core 800, also can improve air purification device 30's filter effect.
The structure of the filter element 800 is referred to the above filter element embodiments, and is not described herein again.
In this embodiment, the disposable filtering net 700 is disposed outside the casing 600, so that the disposable filtering net 700 is more conveniently disassembled and assembled, and meanwhile, the part of the casing 600 covered by the disposable filtering net 700 can be protected.
In other embodiments, the disposable filter screen 700 may also be disposed in the mounting groove 611 and spaced apart from the filter element 800, so that the disposable filter screen 700 is not easily damaged by external force, and the service life thereof is prolonged.
In this embodiment, the housing 600 includes a main body portion 610 and a fastening portion 620, the main body portion 610 is formed with a mounting groove 611 and an air outlet 612, the fastening portion 620 is disposed in the mounting groove 611, the fastening portion 620 is formed with an accommodating cavity 621 and an air inlet 622, the filter cartridge 800 is disposed in the accommodating cavity 621, the disposable filter screen 700 is disposed on an inner surface or/and an outer surface of the fastening portion 620 corresponding to the air inlet 622, and the fastening portion 620 is disposed to facilitate the assembly and disassembly of the filter cartridge 800.
In other embodiments, a receiving cavity (not shown) for receiving the filter cartridge 800 may be formed directly by the housing 600, and is not limited herein.
In this embodiment, the air purification apparatus 30 further includes a first fixing member (not shown in the figure) disposed at an edge of the disposable filter screen 700, and the housing 600 is provided with a second fixing member (not shown in the figure), and the first fixing member and the second fixing member cooperate to fix the disposable filter screen 700 on the housing 600, so that the disposable filter screen 700 is more stably mounted on the housing 600.
In this embodiment, one of the first fixing member and the second fixing member may be a magnet or a magnetic metal, and the other may be a magnet, and the first fixing member and the second fixing member are fixed by the magnetic attraction, so as to facilitate the assembly and disassembly of the disposable filter screen 700.
In other embodiments, the first fixing element and the second fixing element may also be a hook-and-loop fastener or the like, which is not limited herein.
In another embodiment, a clamping groove (not shown) may be further disposed on the housing 600, and the disposable filter screen 700 may be directly clamped in the clamping groove to be fixed, so that the structure is simple and the occupied space is smaller.
In this embodiment, the disposable filter screen 700 may be HEPA filter paper, and the HEPA filter paper may be manufactured through an electrostatic electret process, so that an electrostatic adsorption effect of the HEPA filter paper is increased, and an air filtering effect is further improved.
In other embodiments, the disposable filter screen 700 may be made of at least one of glass fiber, teflon, and polypropylene, and can filter out large particles of water vapor and/or oil smoke.
In this embodiment, the thickness of the disposable filter 700 is 1 μm to 20 μm, for example, 1 μm, 8 μm, or 20 μm, and the grammage of the disposable filter 700 is 0.1g/m2To 100g/m2For example 0.1g/m2、68g/m2Or 100g/m2And the filter can ensure a certain filtering effect of filtering water vapor and/or large oil smoke particles, and simultaneously occupies a smaller space and a smaller filtering resistance, thereby being beneficial to improving the filtering efficiency.
Referring to fig. 16 and 17, another embodiment of the cigarette machine of the present invention comprises an air cleaning device 30 and a cigarette machine main body 40, wherein the air cleaning device 30 is disposed outside the cigarette machine main body 40 and is used for absorbing and filtering escaping lampblack which is not sucked by the cigarette machine main body 40 in a kitchen environment, and sending out clean air to clean the kitchen environment and protect the health of a user.
The structure of the air purification device 30 is described in the above embodiment of the air purification device 30, and is not described herein again.
In other embodiments, the air purifying device 30 may be disposed within the cigarette maker body 40, and is not limited thereto.
The air purification device 30 in the cigarette machine of the utility model is provided with the disposable filter screen 700 at the front end of the filter element 800 to filter air for the first time, and can filter water vapor and/or large oil smoke particles in the air, thereby reducing or avoiding the blockage and damage of the filter element 800 caused by the water vapor and/or the large oil smoke particles, playing a role in protecting the filter element 800, prolonging the service life of the filter element 800, and because the filter element 800 and the disposable filter screen 700 are arranged independently, the assembly and disassembly of the disposable filter screen 700 can not affect the filter element 800, the assembly and disassembly of the disposable filter screen 700 are more convenient, and the filter effect can be kept in a better state by maintaining a certain frequency to replace the disposable filter screen 700, further improving the protection effect of the filter element 800, and also improving the filter effect of the air purification device 30.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A filter element for an air cleaning device for a kitchen, comprising:
the first fiber filter layer is a nanofiber filter layer or a glass fiber filter layer and is used for filtering water vapor and large oil smoke particles in air;
the HEPA filter layer is arranged on one side of the first fiber filter layer and is used for filtering small oil smoke particles in the air filtered by the first fiber filter layer;
the second fiber filtering layer is arranged on one side of the HEPA filtering layer.
2. The filter cartridge of claim 1, wherein the nanofiber filter layer is a polyvinylidene fluoride material made by an electrospinning process.
3. The filter cartridge of claim 1, wherein the first fiber filtration layer has a thickness of 0.1 to 20 μ ι η and a grammage of 0.1 to 10g/m2 to 2.
4. The filter element of claim 1, wherein the HEPA filter layer is made of a polypropylene material by a melt-blown electret process; or
The HEPA filter layer is made of glass fiber materials.
5. The filter cartridge of claim 1, wherein the first fiber filtration layer is a glass fiber filtration layer and the second fiber filtration layer is disposed on a side of the HEPA filtration layer remote from the first fiber filtration layer, the filter cartridge including only the first fiber filtration layer, the HEPA filtration layer, and the second fiber filtration layer.
6. The filter cartridge of claim 1, wherein the second fiber filtration layer is made of a non-woven material, a polypropylene material, or a cellucotton material, and has a grammage of 10g/m2 to 100g/m 2.
7. The filter cartridge of claim 1, further comprising an activated carbon filter layer disposed between the HEPA filter layer and the second fiber filter layer for further filtering air filtered by the HEPA filter layer.
8. The filter cartridge of claim 1, further comprising a catalytic filter layer disposed between the HEPA filter layer and the second fiber filter layer, the catalytic filter layer comprising activated carbon particles and catalyst particles adhered to a surface of the activated carbon particles.
9. The filter cartridge of claim 1, further comprising a catalytic filter layer disposed between the HEPA filter layer and the second fiber filter layer, the catalytic filter layer including a catalyst support and catalyst particles attached to the catalyst support.
10. A range hood, comprising:
a cigarette machine main body;
the air purification device is arranged in the cigarette machine body or outside the cigarette machine body, the air purification device comprises a shell and a filter element arranged in the shell, an air inlet and an air outlet are formed in the shell, the filter element can filter air entering the shell through the air inlet, the filtered air flows out through the air outlet, and the filter element is the filter element according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120357261.4U CN216259612U (en) | 2021-02-07 | 2021-02-07 | Filter core and cigarette machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120357261.4U CN216259612U (en) | 2021-02-07 | 2021-02-07 | Filter core and cigarette machine |
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| Publication Number | Publication Date |
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| CN216259612U true CN216259612U (en) | 2022-04-12 |
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| CN202120357261.4U Active CN216259612U (en) | 2021-02-07 | 2021-02-07 | Filter core and cigarette machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117180853A (en) * | 2023-09-19 | 2023-12-08 | 佛山市芯耀环保科技有限公司 | Oil mist adsorption composite material and preparation method and application thereof |
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2021
- 2021-02-07 CN CN202120357261.4U patent/CN216259612U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117180853A (en) * | 2023-09-19 | 2023-12-08 | 佛山市芯耀环保科技有限公司 | Oil mist adsorption composite material and preparation method and application thereof |
| CN117180853B (en) * | 2023-09-19 | 2024-05-24 | 佛山市芯耀环保科技有限公司 | Oil mist adsorption composite material and preparation method and application thereof |
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Effective date of registration: 20221104 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 241009 Wan Chun East Road, East Wuhu economic and Technological Development Zone, Wuhu, Anhui Patentee before: WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. Co.,Ltd. |
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