CN111408199A - Filter screen for central air conditioner air return inlet and manufacturing method thereof - Google Patents
Filter screen for central air conditioner air return inlet and manufacturing method thereof Download PDFInfo
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- CN111408199A CN111408199A CN202010270771.8A CN202010270771A CN111408199A CN 111408199 A CN111408199 A CN 111408199A CN 202010270771 A CN202010270771 A CN 202010270771A CN 111408199 A CN111408199 A CN 111408199A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0001—Making filtering elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0005—Mounting of filtering elements within casings, housings or frames
- B01D46/0008—Two or more filter elements not fluidly connected positioned in the same housing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0028—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions provided with antibacterial or antifungal means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0032—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions using electrostatic forces to remove particles, e.g. electret filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
- B01D46/64—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/704—Solvents not covered by groups B01D2257/702 - B01D2257/7027
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
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- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses a filter screen for a central air conditioner return air inlet and a manufacturing method thereof, and the filter screen comprises a mounting rack, an antibacterial filter screen and a TVOC (transient voltage over current) removing filter screen, wherein a limiting groove is formed in one circle of the surface of one side of the mounting rack, a magic female buckle is bonded in the limiting groove, a first through hole is formed in the mounting rack between the limiting grooves, cross rods and longitudinal rods which are criss-cross are connected in the first through hole, and guide posts are fixedly connected on four corners of one side, far away from the limiting groove, of the mounting. According to the filter screen for the central air conditioner air return inlet and the manufacturing method thereof, PM2.5 particles are filtered through the antibacterial filter screen and the TVOC removing filter screen, meanwhile, the antibacterial and antiviral effects can be achieved, indoor personnel can be protected, charged particles in air flow are easily captured when passing through pores of material fibers due to the existence of an electrostatic field, so that the filtering efficiency of solid pollutants is greatly improved, and harmful gas pollutants such as TVOC, formaldehyde and the like can be filtered through the negative ion adding layer and the adsorption layer.
Description
Technical Field
The invention relates to the technical field of central air conditioner filter screens, in particular to a filter screen for a central air conditioner air return opening and a manufacturing method thereof.
Background
The air return opening of the central air conditioner is a terminal device used for supplying air in the central air conditioning system, and is an air distribution device. The return air inlet of the air conditioner is used for returning air, the amount of cold air needed to be sent to the room is certain when the indoor load is fixed, therefore, some air is returned into the air conditioning box by utilizing the return air duct, the air is mixed with a small amount of fresh air to be made into cold air to be sent into the room, along with the development of economy, the central air conditioning system is widely applied to indoor spaces of office buildings, airports, subways, hospitals, buses, various entertainment places and the like, in order to filter suspended matters such as dust and the like in the indoor air, a filter screen is needed to be arranged on the inner side of a louver air door of the return air inlet, the return air inlet is fixed on the wall body of a building or an air conditioning duct opening on a ceiling, along with the continuous improvement of urban construction, the requirements of various systems in a large building are continuously improved, particularly along with the continuous improvement of the volume and height of the building, the design, particularly, when the air filter is used in a large supermarket, the air filter is convenient to replace and has a targeted air return opening of the central air conditioner due to the fact that products in the supermarket are various, air pollution is different, and the types of required filter devices are different.
Disclosure of Invention
The invention aims to provide a filter screen for a central air conditioner return air inlet and a manufacturing method thereof, PM2.5 particle filtration is realized through an antibacterial filter screen and a TVOC removing filter screen, meanwhile, the filter screen can achieve the antibacterial and antiviral effects and can protect indoor personnel, a negative ion addition layer and an adsorption layer can realize filtration of harmful gas pollutants such as TVOC, formaldehyde and the like, high purification efficiency of air purification is realized, the antibacterial filter screen and the TVOC removing filter screen can be easily fixed through a mounting rack, and the filter screen is convenient to integrally disassemble and assemble so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a filter screen for a return air inlet of a central air conditioner comprises a mounting frame, an antibacterial filter screen and a TVOC removing filter screen, wherein a limit groove is formed in one circle of the surface of one side of the mounting frame, a magic female buckle is bonded in the limit groove, first through holes are formed in the mounting frame between the limit grooves, criss-cross transverse rods and longitudinal rods are connected in the first through holes, guide posts are fixedly connected to four corners of one side, away from the limit groove, of the mounting frame, limit blocks are fixedly connected to the upper ends of the guide posts, press plates are sleeved at the lower ends of the guide posts, springs are sleeved on the guide posts between the press plates and the limit blocks, two ends of the springs are respectively connected with the lower surfaces of the limit blocks and the upper surfaces of the press plates, guide holes movably connected with the guide posts are formed in the four corners of the press plates, second through holes are formed in the centers of the press plates, and one ends of the antibacterial, the other end that antibiotic filter screen and removed the TVOC filter screen is connected with first nylon pin thread and second nylon pin thread respectively, and first nylon box bonds with second nylon pin thread, and second nylon box bonds with first nylon pin thread.
Preferably, the antibacterial filter screen comprises a first filter layer, a second filter layer and an interlayer, and two sides of the interlayer are respectively connected with one side of the first filter layer and one side of the second filter layer.
Preferably, the first filter layer and the second filter layer are both members made of composite fiber non-woven fabric materials with static electricity, and the interlayer is a member made of activated carbon materials.
Preferably, remove TVOC filter screen and include adsorbed layer, melt-blown non-woven fabrics layer, anion and add layer and melt-blown filter cotton layer, melt-blown non-woven fabrics layer and attach in the both sides of adsorbed layer, melt-blown non-woven fabrics layer's upper and lower surface all is connected with the anion addition layer, the surface that the anion adds the layer is connected with melt-blown filter cotton layer.
Preferably, the two ends of the pressure plate are connected with anti-skid bulges.
The invention also aims to solve the technical problems that: the method for manufacturing the filter screen for the return air inlet of the central air conditioner comprises the following steps:
s1: mixing an activated carbon material and absorbent gauze to prepare an activated carbon interlayer, and respectively attaching a first filter layer and a second filter layer to two sides of the interlayer to prepare an antibacterial filter screen;
s2: sequentially attaching a melt-blown non-woven fabric layer, a negative ion addition layer and a melt-blown filter cotton layer to the upper side and the lower side of the adsorption layer to prepare the TVOC removing filter screen;
s3: according to the size of the air return opening of the central air conditioner, cutting an antibacterial filter screen and a TVOC (transient voltage over-current) removing filter screen with corresponding sizes, respectively sewing a first nylon female buckle and a first nylon male buckle at two ends of the same side of the antibacterial filter screen, and respectively sewing a second nylon female buckle and a second nylon male buckle at two ends of the same side of the TVOC removing filter screen;
s4: the first nylon female buckle is adhered with the second nylon male buckle, the second nylon female buckle is adhered with the first nylon male buckle, and the TVOC removal filter screen and the antibacterial filter screen are connected into a whole;
s5: the two ends of the pressing plate are pulled up, the spring contracts under the limitation of the limiting block, the TVOC removing filter screen and the antibacterial filter screen are integrally inserted between the pressing plate and the mounting frame, the pressing plate is released, the spring resets, and the pressing plate is pushed to tightly press the edges of the TVOC removing filter screen and the antibacterial filter screen;
s6: and adhering a magic male buckle to one circle of the air-conditioning net at the air return opening of the central air conditioner, adhering the magic female buckle and the magic male buckle, and finishing the installation.
Preferably, the TVOC removing filter screen is provided with small holes, and the diameter of each small hole is one millimeter.
Compared with the prior art, the invention has the beneficial effects that: according to the filter screen for the central air conditioner air return inlet and the manufacturing method thereof, PM2.5 particle filtration is realized through the antibacterial filter screen and the TVOC removing filter screen, meanwhile, the antibacterial and antiviral effects can be achieved, indoor personnel can be protected, the charged particles in the air flow are easily captured when passing through material fiber pores due to the existence of the electrostatic field, so that the filtration efficiency of solid pollutants is greatly improved, the filtration of harmful gas pollutants such as TVOC, formaldehyde and the like can be realized through the anion addition layer and the adsorption layer, the high purification efficiency of air purification is realized, the antibacterial filter screen and the TVOC removing filter screen can be easily fixed through the mounting frame, the integral disassembly and assembly are convenient, the nylon buckle is easy to replace the filter screen, and the cylindrical mounting frame is designed, is suitable for filtration in pipelines, has various structures and can be suitable for different working environments.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a block diagram of the mount of the present invention;
FIG. 3 is a view of another perspective of the present invention;
FIG. 4 is a platen structure of the present invention;
FIG. 5 is a schematic view of the antibacterial filter net and the TVOC removing filter net according to the present invention;
FIG. 6 is a cross-sectional view of an antimicrobial filter screen of the present invention;
FIG. 7 is a cross-sectional view of a filter screen for removing TVOC in accordance with the present invention;
FIG. 8 is a block diagram of a second embodiment of the present invention;
FIG. 9 is a block diagram of a second embodiment of the present invention;
fig. 10 is a structural diagram of an antibacterial filter screen according to an embodiment of the present invention.
In the figure: 1. a mounting frame; 11. a limiting groove; 111. a magic female buckle; 12. a first through hole; 121. a cross bar; 122. a longitudinal bar; 13. a guide post; 131. a limiting block; 132. a spring; 14. pressing a plate; 141. a guide hole; 142. a second through hole; 2. an antibacterial filter screen; 21. a first nylon female buckle; 22. a first nylon male buckle; 23. a first filter layer; 24. a second filter layer; 25. an interlayer; 3. removing the TVOC filter screen; 31. a second nylon female buckle; 32. a second nylon male buckle; 33. an adsorption layer; 34. melt-blown non-woven fabric layer; 35. a negative ion addition layer; 36. and (4) melt-blowing a filter cotton layer.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-4, a filter screen for a central air-conditioning air return inlet, the filter screen for the central air-conditioning air return inlet comprises a mounting frame 1, an antibacterial filter screen 2 and a filter screen 3 except for a TVOC, the mounting frame 1 is of a rectangular structure and is suitable for an outer port of the central air-conditioning air return inlet, a magic male buckle is bonded at the central air-conditioning air return inlet, the mounting frame 1 is fixed, a limit groove 11 is formed in the periphery of one side surface of the mounting frame 1, a magic female buckle 111 is bonded in the limit groove 11, a first through hole 12 is formed in the mounting frame 1 between the limit grooves 11, a cross rod 121 and a longitudinal rod 122 are connected in the first through hole 12 in a criss-cross manner, guide posts 13 are fixedly connected at four corners of one side of the mounting frame 1 far from the limit groove 11, limit blocks 131 are fixedly connected at the upper ends of the guide posts 13, a pressing plate 14 is sleeved, the guide post 13 between the pressing plate 14 and the limiting block 131 is sleeved with a spring 132, two ends of the spring 132 are respectively connected with the lower surface of the limiting block 131 and the upper surface of the pressing plate 14, four corners of the pressing plate 14 are provided with guide holes 141 movably connected with the guide post 13, and the center of the pressing plate 14 is provided with a second through hole 142.
Referring to fig. 5-7, one end of the antibacterial filter net 2 and one end of the TVOC-removing filter net 3 are respectively connected to a first nylon female buckle 21 and a second nylon female buckle 31, the other end of the antibacterial filter net 2 and the other end of the TVOC-removing filter net 3 are respectively connected to a first nylon male buckle 22 and a second nylon male buckle 32, the first nylon female buckle 21 is adhered to the second nylon male buckle 32, the second nylon female buckle 31 is adhered to the first nylon male buckle 22, the antibacterial filter net 2 comprises a first filter layer 23, a second filter layer 24 and an interlayer 25, two sides of the interlayer 25 are respectively connected to one side of the first filter layer 23 and one side of the second filter layer 24, the first filter layer 23 and the second filter layer 24 are members made of composite fiber non-woven fabric materials with static electricity, the interlayer 25 is a member made of activated carbon material, the activated carbon material plays a role in sterilization and anti-poison, and double non-woven fabric filter layers can effectively block PM2.5 particles, the TVOC filter screen 3 comprises an adsorption layer 33, a melt-blown non-woven fabric layer 34, a negative ion addition layer 35 and a melt-blown filter cotton layer 36, the melt-blown non-woven fabric layer 34 is attached to two sides of the adsorption layer 33, the upper surface and the lower surface of the melt-blown non-woven fabric layer 34 are both connected with the negative ion addition layer 35, the outer surface of the negative ion addition layer 35 is connected with the melt-blown filter cotton layer 36, the melt-blown non-woven fabric layer 34 and the melt-blown filter cotton layer 36 can capture dust particles in the air through plasma treatment and constant-voltage corona charging treatment, and the existence of an electrostatic field in the TVOC filter screen ensures that the charged particles in the air flow are easily captured when passing through material fiber pores, so that the filtration efficiency; the anion adds layer 35 and adsorbed layer 33 can realize the filtration of harmful gas pollutants such as TVOC, formaldehyde, has realized the high purification efficiency to air purification.
In order to better show the manufacturing process of the filter screen for the return air inlet of the central air conditioner, the present embodiment provides a manufacturing method of the filter screen for the return air inlet of the central air conditioner, including the following steps:
the method comprises the following steps: mixing an activated carbon material and absorbent gauze to prepare an activated carbon interlayer 25, and respectively attaching a first filter layer 23 and a second filter layer 24 to two sides of the interlayer 25 to prepare the antibacterial filter screen 2;
step two: the upper side and the lower side of the adsorption layer 33 are sequentially attached with a melt-blown non-woven fabric layer 34, a negative ion addition layer 35 and a melt-blown filter cotton layer 36 to form a TVOC removal filter screen 3, small holes are formed in the TVOC removal filter screen 3, the diameter of each small hole is one millimeter, the small holes can still ensure the normal use of the air conditioner, and the normal refrigeration and heating of the air conditioner cannot be influenced by the overlarge resistance of an air return inlet;
step three: according to the size of the air return opening of the central air conditioner, cutting an antibacterial filter screen 2 and a TVOC (television on glass) removing filter screen 3 with corresponding sizes, respectively sewing a first nylon female buckle 21 and a first nylon male buckle 22 at two ends of the same side of the antibacterial filter screen 2, and respectively sewing a second nylon female buckle 31 and a second nylon male buckle 32 at two ends of the same side of the TVOC removing filter screen 3;
step four: the first nylon female buckle 21 is adhered with the second nylon male buckle 32, the second nylon female buckle 31 is adhered with the first nylon male buckle 22, and the TVOC removing filter screen 3 and the antibacterial filter screen 2 are connected into a whole;
step five: the two ends of the pressing plate 14 are pulled up, the spring 132 contracts under the limitation of the limiting block 131, the TVOC removing filter screen 3 and the antibacterial filter screen 2 are integrally inserted between the pressing plate 14 and the mounting frame 1, the pressing plate 14 is released, the spring 132 is reset, and the pressing plate 14 is pushed to tightly press the edges of the TVOC removing filter screen 3 and the antibacterial filter screen 2;
step six: and adhering a magic male buckle to one circle of the air-conditioning net at the air return opening of the central air conditioner, adhering a magic female buckle 111 to the magic male buckle, and finishing the installation.
Example two:
referring to fig. 8-10, a filter screen for a central air-conditioning air return inlet, which comprises a mounting frame 1, an antibacterial filter screen 2 and a TVOC-removing filter screen 3, wherein the mounting frame 1 is of a cylindrical structure, the outer wall of the mounting frame 1 is provided with a first through hole 12, a cross bar 121 and a longitudinal bar 122 are connected in the first through hole 12 in a criss-cross manner, one end of the antibacterial filter screen 2 and one end of the TVOC-removing filter screen 3 are respectively connected with a first nylon female buckle 21 and a second nylon female buckle 31, the other end of the antibacterial filter screen 2 and the other end of the TVOC-removing filter screen 3 are respectively connected with a first nylon male buckle 22 and a second nylon male buckle 32, the first nylon female buckle 21 and the first nylon male buckle 22 are located on different side walls of the antibacterial filter screen 2, the second nylon female buckle 31 and the second nylon male buckle 32 are located on different side walls of the TVOC-removing filter screen 3, when in use, the first nylon female buckle 21 and the first nylon male buckle 22 are bonded, second nylon box 31 and the male button 32 bonding of second nylon, antibiotic filter screen 2 with remove TVOC filter screen 3 and constitute cylindric cover respectively in the outside of mounting bracket 1, other structures are the same with embodiment one.
In order to better show the manufacturing process of the filter screen for the return air inlet of the central air conditioner, the present embodiment provides a manufacturing method of the filter screen for the return air inlet of the central air conditioner, including the following steps:
the method comprises the following steps: mixing an activated carbon material and absorbent gauze to prepare an activated carbon interlayer 25, and respectively attaching a first filter layer 23 and a second filter layer 24 to two sides of the interlayer 25 to prepare the antibacterial filter screen 2;
step two: the upper side and the lower side of the adsorption layer 33 are sequentially attached with a melt-blown non-woven fabric layer 34, a negative ion addition layer 35 and a melt-blown filter cotton layer 36 to form a TVOC removal filter screen 3, small holes are formed in the TVOC removal filter screen 3, the diameter of each small hole is one millimeter, the small holes can still ensure the normal use of the air conditioner, and the normal refrigeration and heating of the air conditioner cannot be influenced by the overlarge resistance of an air return inlet;
step three: according to the size of the air return opening of the central air conditioner, cutting an antibacterial filter screen 2 and a TVOC (television on glass) removing filter screen 3 which have corresponding sizes, respectively sewing a first nylon female buckle 21 and a first nylon male buckle 22 at two ends of different sides of the antibacterial filter screen 2, and respectively sewing a second nylon female buckle 31 and a second nylon male buckle 32 at two ends of different sides of the TVOC removing filter screen 3;
step four: the second nylon female buckle 31 is adhered to the second nylon male buckle 32, the TVOC-removing filter screen 3 is sleeved on the outer wall of the mounting rack 1, the first nylon female buckle 21 is adhered to the first nylon male buckle 22, and the antibacterial filter screen 2 is sleeved on the outer wall of the TVOC-removing filter screen 3;
step five: the mounting frame 1 is placed into a pipeline of a central air conditioner air return inlet together with the antibacterial filter screen 2 and the TVOC removing filter screen 3, so that the upper side and the lower side of the mounting frame 1 are respectively abutted against the upper side and the lower side of the pipeline of the central air conditioner air return inlet, and meanwhile, the two ends of the mounting frame 1 are abutted against the side wall of the pipeline of the central air conditioner air return inlet.
Compare in embodiment one, mounting bracket 1 has omitted structures such as spacing groove 11, guide post 13 and clamp plate 14 in this embodiment, and the structure is simpler, and antibiotic filter screen 2 all winds city cylindrical structure with removing TVOC filter screen 3 for the gas that passes through can carry out the secondary filter, and the filter effect is better, more is applicable to the filtration in the pipeline.
In summary, the following steps: according to the filter screen for the air return opening of the central air conditioner and the method thereof, PM2.5 particles are filtered through the antibacterial filter screen 2 and the TVOC removing filter screen 3, meanwhile, the antibacterial and antiviral effects can be achieved, indoor personnel can be protected, and the existence of an electrostatic field ensures that charged particles in air flow are easily captured when passing through material fiber pores, so that the filtering efficiency of solid pollutants is greatly improved; anion adds layer 35 and adsorbed layer 33 and can realize the filtration of harmful gas pollutants such as TVOC, formaldehyde, has realized the high efficiency of purifying to the air, through mounting bracket 1, can easily fix antibiotic filter screen 2 and remove TVOC filter screen 3, makes things convenient for whole dismouting, and the knot that nylon was detained is hooked, changes the filter screen easily, and the design has cylindricality mounting bracket 1 in addition, is applicable to the filtration in the pipeline, and multiple structure can be suitable for with different operational environment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (7)
1. The utility model provides a filter screen for central air conditioning return air inlet, includes mounting bracket (1), antibiotic filter screen (2) and removes TVOC filter screen (3), its characterized in that: a limiting groove (11) is formed in one circle of the surface of one side of the mounting frame (1), magic buckles (111) are bonded in the limiting groove (11), first through holes (12) are formed in the mounting frame (1) between the limiting grooves (11), criss-cross rods (121) and longitudinal rods (122) are connected in the first through holes (12), guide columns (13) are fixedly connected to four corners of one side, away from the limiting grooves (11), of the mounting frame (1), limiting blocks (131) are fixedly connected to the upper ends of the guide columns (13), pressing plates (14) are sleeved at the lower ends of the guide columns (13), springs (132) are sleeved on the guide columns (13) between the pressing plates (14) and the limiting blocks (131), two ends of the springs (132) are respectively connected with the lower surfaces of the limiting blocks (131) and the upper surfaces of the pressing plates (14), and guide holes (141) movably connected with the guide columns (, second through-hole (142) have been seted up at the center of clamp plate (14), antibiotic filter screen (2) and the one end that removes TVOC filter screen (3) are connected with first nylon box (21) and second nylon box (31) respectively, and antibiotic filter screen (2) and the other end that removes TVOC filter screen (3) are connected with first nylon pin (22) and second nylon pin (32) respectively, and first nylon box (21) bond with second nylon pin (32), and second nylon box (31) bond with first nylon pin (22).
2. The filter screen for the return air inlet of the central air conditioner as claimed in claim 1, wherein: the antibacterial filter screen (2) comprises a first filter layer (23), a second filter layer (24) and an interlayer (25), wherein two sides of the interlayer (25) are respectively connected with one sides of the first filter layer (23) and the second filter layer (24).
3. The filter screen for the return air inlet of the central air conditioner as claimed in claim 2, wherein: the first filter layer (23) and the second filter layer (24) are made of composite fiber non-woven fabric materials with static electricity, and the interlayer (25) is made of active carbon materials.
4. The filter screen for the return air inlet of the central air conditioner as claimed in claim 1, wherein: remove TVOC filter screen (3) and include adsorbed layer (33), melt-blown non-woven fabrics layer (34), anion and add layer (35) and melt-blown filter cotton layer (36), melt-blown non-woven fabrics layer (34) are attached in the both sides of adsorbed layer (33), and the upper and lower surface of melt-blown non-woven fabrics layer (34) all is connected with anion and adds layer (35), and the surface that anion adds layer (35) is connected with melt-blown filter cotton layer (36).
5. The filter screen for the return air inlet of the central air conditioner as claimed in claim 1, wherein: the two ends of the pressure plate (14) are connected with anti-skid bulges.
6. The method for manufacturing the filter screen for the return air inlet of the central air conditioner as claimed in claim 1, which is characterized by comprising the following steps:
s1: mixing an activated carbon material and absorbent gauze to prepare an activated carbon interlayer (25), and respectively attaching a first filter layer (23) and a second filter layer (24) to two sides of the interlayer (25) to prepare an antibacterial filter screen (2);
s2: sequentially adhering a melt-blown non-woven fabric layer (34), a negative ion addition layer (35) and a melt-blown filter cotton layer (36) to the upper side and the lower side of the adsorption layer (33) to prepare the TVOC removing filter screen (3);
s3: according to the size of the air return opening of the central air conditioner, an antibacterial filter screen (2) and a TVOC (television on glass) removing filter screen (3) with corresponding sizes are cut, a first nylon female buckle (21) and a first nylon male buckle (22) are respectively sewn at two ends of the same side of the antibacterial filter screen (2), and a second nylon female buckle (31) and a second nylon male buckle (32) are respectively sewn at two ends of the same side of the TVOC removing filter screen (3);
s4: the first nylon female button (21) is bonded with the second nylon male button (32), the second nylon female button (31) is bonded with the first nylon male button (22), and the TVOC removal filter screen (3) and the antibacterial filter screen (2) are connected into a whole;
s5: the two ends of the pressing plate (14) are pulled up, the spring (132) contracts under the limitation of the limiting block (131), the TVOC removing filter screen (3) and the antibacterial filter screen (2) are integrally inserted between the pressing plate (14) and the mounting frame (1), the pressing plate (14) is released, the spring (132) resets, and the pressing plate (14) is pushed to tightly press the edges of the TVOC removing filter screen (3) and the antibacterial filter screen (2);
s6: and (3) adhering a magic male buckle to one circle of the air-conditioning net at the air return opening of the central air conditioner, adhering a magic female buckle (111) to the magic male buckle, and finishing the installation.
7. The method for manufacturing the filter screen for the return air inlet of the central air conditioner as claimed in claim 6, wherein the method comprises the following steps: the TVOC removing filter screen (3) is provided with a small hole, and the diameter of the small hole is one millimeter.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010270771.8A CN111408199A (en) | 2020-04-08 | 2020-04-08 | Filter screen for central air conditioner air return inlet and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010270771.8A CN111408199A (en) | 2020-04-08 | 2020-04-08 | Filter screen for central air conditioner air return inlet and manufacturing method thereof |
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| CN111408199A true CN111408199A (en) | 2020-07-14 |
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| CN202010270771.8A Pending CN111408199A (en) | 2020-04-08 | 2020-04-08 | Filter screen for central air conditioner air return inlet and manufacturing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111780287A (en) * | 2020-07-15 | 2020-10-16 | 杜小曦 | Ventilation protection filter assembly of central air-conditioning system |
| CN113559626A (en) * | 2021-08-17 | 2021-10-29 | 工谷环保科技(浙江)有限公司 | Detachable air conditioner filter screen with antibacterial function |
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