CN116558019A - Sterilization and ventilation device - Google Patents
Sterilization and ventilation device Download PDFInfo
- Publication number
- CN116558019A CN116558019A CN202310495434.2A CN202310495434A CN116558019A CN 116558019 A CN116558019 A CN 116558019A CN 202310495434 A CN202310495434 A CN 202310495434A CN 116558019 A CN116558019 A CN 116558019A
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- filter element
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- 241000700605 Viruses Species 0.000 claims abstract description 30
- 230000001681 protective effect Effects 0.000 claims abstract description 24
- 230000001954 sterilising effect Effects 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 13
- 238000009423 ventilation Methods 0.000 claims abstract description 13
- 238000002360 preparation method Methods 0.000 claims abstract description 7
- 239000002131 composite material Substances 0.000 claims abstract description 6
- 238000009987 spinning Methods 0.000 claims description 67
- 239000000835 fiber Substances 0.000 claims description 66
- 239000012528 membrane Substances 0.000 claims description 48
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- 230000000670 limiting effect Effects 0.000 claims description 39
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- 238000000034 method Methods 0.000 claims description 27
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- 229910052751 metal Inorganic materials 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 21
- WJZHMLNIAZSFDO-UHFFFAOYSA-N manganese zinc Chemical compound [Mn].[Zn] WJZHMLNIAZSFDO-UHFFFAOYSA-N 0.000 claims description 18
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 18
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- 238000000746 purification Methods 0.000 claims description 15
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- 229960001927 cetylpyridinium chloride Drugs 0.000 claims description 12
- YMKDRGPMQRFJGP-UHFFFAOYSA-M cetylpyridinium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+]1=CC=CC=C1 YMKDRGPMQRFJGP-UHFFFAOYSA-M 0.000 claims description 12
- 239000011259 mixed solution Substances 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 9
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- 230000000249 desinfective effect Effects 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
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Classifications
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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
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
-
- 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
-
- 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
- F24F13/20—Casings or covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/003—Ventilation in combination with air cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
- F24F8/24—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using sterilising media
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/80—Self-contained air purifiers
-
- 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
- F24F13/20—Casings or covers
- F24F2013/205—Mounting a ventilator fan therein
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention relates to the technical field of air purification and provides a sterilization and ventilation device which comprises an upper cover plate, an upper round cover and a lower round cover, wherein the upper round cover is embedded into the outer surface of the lower end of the upper cover plate, a high-strength steel wire mesh is arranged between the lower round cover and the upper round cover, an EC fan is arranged at the lower end of the upper cover plate, a clamping structure is arranged between the EC fan and the upper cover plate, a protective net cover is movably arranged at a hole in the middle of the outer surface of the upper cover plate, a connection structure is arranged between the protective net cover and the upper cover plate, a protruding part is fixedly connected to the upper end of the lower round cover, and a speed regulation knob is rotatably connected to the outer surface of the upper cover plate. The invention also comprises a preparation method of the composite plate type filter element. Through the technical scheme, the problems that the existing sterilization and ventilation device is high in air resistance, low in purifying rate on particles in air, low in virus inactivation rate and bacteria killing rate, and meanwhile, has no formaldehyde removal and peculiar smell removal functions are solved.
Description
Technical Field
The invention relates to the technical field of air purification, in particular to a sterilizing and ventilating device.
Background
The air purifier is a commonly used household appliance, and the purifying effect on particulate matters and harmful gases in the air is a main performance index of the air purifier; after the epidemic situation of new coronapneumonia is epidemic outbreak in the world, the international standard, the national standard and the American standard of the new version of the air purifier increase the regulations of the air purifier on the purifying effect of bacteria and viruses in the air.
In order to achieve the aim of purifying particulate matters and harmful gases in the air, the air purifier commonly used at home and abroad adopts various air purification technologies including fiber filtration, active carbon filtration, electrostatic filtration (comprising plasma, negative ions and electrostatic technology), photocatalysis, ultraviolet rays, tea polyphenol and the like; at present, although some air purifiers already have the functions of purifying particulate matters and harmful gases in air and purifying bacteria and viruses in air, the unit price of the air purifier with the performance basically meeting the purification requirement is still high, and the high price of the purification material which needs to be replaced frequently is more prohibitive for users.
In order to achieve the aim of air purification, the selling price and the running cost can be accepted by the general people, and in recent years, a simple air purifier named CR-BOX is developed in the United states, and the air purifier consists of one or more air filters and a fan; although the air purifier has low cost and simple manufacture, the air purifier mainly aims at purifying bacteria and viruses in the air has a plurality of defects, namely, most of the bacteria and viruses in the air are blocked on the surface of the filter and in the middle of the fiber only through the high-efficiency air filter, and the bacteria and viruses are not inactivated and killed, and the air purifier still has the risk of spreading; secondly, the air purifier has no purification effect on harmful gases in the air; thirdly, the noise is generally out of standard; fourth, the replacement of the air filter requires the complete disassembly of the entire filter, so no regular product has been marketed so far.
At present, air purifiers have the functions of killing and inactivating bacteria and viruses in air at home and abroad, the adopted technology adopts ultraviolet lamps for disinfection, adopts single purification materials with epidemic prevention viruses and bacteria, or is blocked by a high-efficiency air filter, and the technology is not applicable to simple air purifiers.
In summary, it is urgent to develop an epidemic prevention ventilation device with low air resistance, high purification rate of particulate matters in air, high inactivation rate of viruses and bacteria, formaldehyde removal, peculiar smell removal, better performance, low cost, environmental protection, and simple and large air volume.
Disclosure of Invention
The invention provides a sterilization and ventilation device, which solves the problems of high air resistance, low purification rate of particles in air, low virus inactivation rate and bacteria killing rate, and no formaldehyde and odor removal function of the existing sterilization and ventilation device in the related technology.
The technical scheme of the invention is as follows:
the utility model provides a sterilizing and ventilating device, includes upper cover plate, upper dome and lower dome, upper dome is embedded in the lower extreme surface of upper cover plate, be provided with high strength steel wire net between lower dome and the upper dome, the lower extreme of upper cover plate is provided with the EC fan, be provided with the block structure between EC fan and the upper cover plate, the surface middle part hole department activity of upper cover plate is provided with the protection screen panel, be provided with the linking structure between protection screen panel and the upper cover plate, the upper end fixedly connected with bellying of lower dome, the surface rotation of upper cover plate is connected with speed governing knob, the surface of upper cover plate is connected with the power cord;
the clamping structure comprises a convex plate fixedly connected to the upper end of the EC fan, a convex ball is fixedly connected to the outer surface of the convex plate, and a clamping groove is formed in the inner side of the corresponding hole of the upper cover plate;
the clamping grooves are matched with the convex balls, the convex plates are of protruding cuboid structures, and the number of the convex plates, the number of the clamping grooves and the number of the convex plates are four, and the convex plates are distributed in an annular array.
As a further technical scheme of the invention, the upper end of the lower round cover is movably provided with a plate-type filter element, and a clamping structure is also arranged between the plate-type filter element and the EC fan;
the lower extreme symmetry of EC fan is provided with flange and protruding ball, the draw-in groove has been seted up to the upper end of board-like filter core, the draw-in groove matches with flange and protruding ball of EC fan lower extreme, protruding ball is the rubber material that has elasticity.
As a further technical scheme of the invention, the connecting structure comprises a concave groove which is formed in the outer surface of the upper end of the upper cover plate, a reset spring is arranged in the concave groove, the upper end of the reset spring is connected with a movable column, the upper end of the movable column is hinged with a limiting plate, and the outer surface of the lower end of the limiting plate is provided with a limiting groove;
the upper end and the lower end of the reset spring are respectively fixedly connected with the movable column and the upper cover plate, the protective net cover is composed of a plurality of groups of metal wire meshes, the limiting grooves are of groove-shaped structures matched with the diameters of the single metal wires of the protective net cover, the movable column is pulled by the reset spring together with the limiting plates to fix the edge metal wires of the connecting structure, the width of the limiting plates is smaller than the distance between the edges of the metal wire meshes of the protective net cover, and the distance between two groups of adjacent metal wire meshes at the edges of the protective net cover is equal to the distance between the two groups of limiting grooves;
namely, when the limiting plate rotates and is parallel to the metal mesh at the edge of the protective net cover, the limiting plate can pass through between two adjacent groups of metal mesh wires up and down.
As a further technical scheme of the invention, the upper cover plate is of a disc-shaped structure with a through hole matched with the EC fan in the middle, a high-strength steel wire mesh is movably connected between the lower round cover and the upper round cover and used for adjusting the running wind speed of the EC fan, the plate-type filter element is of a hollow columnar structure, the protruding part is of a circular ring-shaped structure with the inner diameter matched with the outer diameter of the plate-type filter element, the inner diameter of the high-strength steel wire mesh is matched with the outer diameter of the protruding part, the outer diameter is matched with the inner diameter of the lower round cover, a group of holes matched with the outer diameter of the plate-type filter element are formed in the middle of the upper round cover, and the rest parts are completely symmetrical and identical with the lower round cover.
As a further technical scheme of the invention, the upper cover plate is of a cube structure with a through hole matched with the EC fan in the middle, the plate-type filter element is of four groups of plate-type structures arranged in a ring shape, connecting grooves matched with the upper end and the lower end of the plate-type filter element are respectively formed in the outer surfaces of the lower round cover plate and the upper cover plate, the protruding part is of a plate-type structure bent into a right angle, and the positions of the plate-type filter element are limited and fixed through the connecting grooves and the protruding part.
As a further technical scheme of the invention, the plate-type filter element comprises a nano electrostatic fiber spinning membrane filter element, a harmful gas purifying material and a virus and bacteria purifying material;
the nano electrostatic fiber spinning membrane filter element is a nano silicon dioxide electrostatic fiber spinning membrane filter element or a nano polyamide N-halamine electrostatic fiber spinning membrane filter element;
the harmful gas purifying material is nano rutile manganese zinc material;
the virus and bacteria purifying material is mixed solution of dipentene and cetylpyridinium chloride.
As a further technical scheme of the invention, the harmful gas purifying material is attached to the surface of the nano electrostatic fiber spinning membrane or directly doped in the nano electrostatic fiber spinning membrane filter element;
the virus and bacteria purifying material is grafted into the nano electrostatic fiber spinning membrane.
As a further technical scheme of the invention, a battery pack and a wireless charging module are arranged on the outer surface of the lower round cover, and an AGV self-walking chassis is arranged on the outer surface of the lower end of the lower round cover;
the wireless charging module is used for charging the battery pack through wireless charging;
the AGV self-walking chassis is used for automatically, efficiently and accurately disinfecting and epidemic preventing different indoor areas according to a preset route;
the battery pack is used for supplying power for the running of the AGV self-walking chassis.
The invention also discloses a preparation method of the composite plate type filter element, which comprises the following preparation steps:
the method comprises the following steps: the attaching method is to attach the purifying material into the nano electrostatic fiber spinning membrane filter core and graft the virus and bacteria purifying material onto the nano electrostatic fiber spinning membrane filter core;
the second method is as follows: the doping method is to mix the purifying material into the nano electrostatic fiber spinning membrane filter core and graft the virus and bacteria purifying material onto the nano electrostatic fiber spinning membrane filter core.
A further method specifically comprises the following steps:
1) Attaching a nano rutile manganese zinc material to a nano silicon dioxide electrostatic fiber spinning film to prepare a nano rutile manganese zinc functionalized nano silicon dioxide electrostatic fiber spinning film;
2) Grafting the mixed solution of dipentene and cetylpyridinium chloride into the nano silicon dioxide electrostatic fiber spinning film;
the second method specifically comprises the following steps:
1) Mixing raw materials of a nano rutile manganese zinc material nano polyamide N-halamine electrostatic fiber spinning film, and preparing the nano polyamide N-halamine electrostatic fiber spinning film by adopting a direct doping method;
2) Grafting the mixed solution of dipentene and cetylpyridinium chloride into the nano polyamide N-halamine electrostatic fiber spinning film.
The working principle and the beneficial effects of the invention are as follows:
1. the invention can conveniently assemble and install the whole device by the action of the clamping structure and the connecting structure, is extremely convenient, can be conveniently assembled and used by a user, is more convenient and quicker than the prior screw fixing by the connection fixation of clamping and the like, and does not need screw tools such as screwdrivers and the like.
2. The invention integrates multiple purification functions of the air purifier into a whole to form the composite air filter element, can simultaneously have multiple functions of filtering air, removing harmful gas, inactivating viruses and killing bacteria, does not produce secondary pollutants, solves the potential electrical safety hazard, and has the characteristics of green and environment protection.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic view of the columnar structure of the present invention;
FIG. 2 is a schematic view of a portion of the structure of the present invention shown disassembled in FIG. 1;
FIG. 3 is an exploded view of FIG. 1 in accordance with the present invention;
FIG. 4 is a schematic view of a partial structure of the EC fan and the upper cover plate of the present invention in a locking and separating manner;
FIG. 5 is a schematic view of a partial structure of the EC fan of the present invention with both ends separately attached to and detached from the nanofiber filter membrane and upper cover plate;
FIG. 6 is a schematic view of a partial structure of the present invention in section at the engagement structure;
FIG. 7 is a schematic view of a square form of the present invention;
fig. 8 is a schematic view of the explosive part of fig. 7 according to the present invention.
In the figure: 1. an upper cover plate; 2. a round cover is arranged on the upper part; 3. a lower round cover; 4. a plate-type filter element; 5. an EC fan; 6. a clamping structure; 61. a convex plate; 62. a convex ball; 63. a clamping groove; 7. a protective net cover; 8. a connection structure; 81. a concave groove; 82. a return spring; 83. a movable column; 84. a limiting plate; 85. a limit groove; 9. a boss; 10. high-strength steel wire mesh; 11. a speed regulating knob; 12. a power line; 13. and a connection groove.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1 to 3, the embodiment provides a sterilization and ventilation device, which comprises an upper cover plate 1, an upper round cover 2 and a lower round cover 3, wherein the upper round cover 2 is embedded into the outer surface of the lower end of the upper cover plate 1, a high-strength steel wire mesh 10 is arranged between the lower round cover 3 and the upper round cover 2, an EC fan 5 is arranged at the lower end of the upper cover plate 1, a clamping structure 6 is arranged between the EC fan 5 and the upper cover plate 1, a protective net cover 7 is movably arranged at a hole in the middle of the outer surface of the upper cover plate 1, a connection structure 8 is arranged between the protective net cover 7 and the upper cover plate 1, a boss 9 is fixedly connected to the upper end of the lower round cover 3, a speed regulation knob 11 is rotatably connected to the outer surface of the upper cover plate 1, and a power wire 12 is connected to the outer surface of the upper cover plate 1; the plate-type filter element 4 comprises a nano electrostatic fiber spinning membrane filter element, a harmful gas purifying material and a virus and bacteria purifying material; the nano electrostatic fiber spinning membrane filter element is a nano silicon dioxide electrostatic fiber spinning membrane filter element or a nano polyamide N-halamine electrostatic fiber spinning membrane filter element; the harmful gas purifying material is nano rutile manganese zinc material; the virus and bacteria purifying material is a mixed solution of dipentene and cetylpyridinium chloride; the harmful gas purifying material is attached to the surface of the nano electrostatic fiber spinning membrane or directly doped in the nano electrostatic fiber spinning membrane filter element; the virus and bacteria purifying material is grafted into the nanometer electrostatic fiber spinning film; the outer surface of the lower round cover 3 is provided with a battery pack and a wireless charging module, and the outer surface of the lower end of the lower round cover 3 is provided with an AGV self-walking chassis; the wireless charging module is used for charging the battery pack through wireless charging; the AGV self-walking chassis is used for automatically, efficiently and accurately disinfecting and epidemic preventing different indoor areas according to a preset route; the battery pack is used for supplying power for the running of the AGV self-walking chassis; the device can automatically walk to disinfect, purify, filter and the like different areas of a room.
Example 2
As shown in fig. 3 to 5, on the basis of embodiment 1, it is also proposed that the engaging structure 6 includes a convex plate 61 fixedly connected to the upper end of the EC fan 5, the outer surface of the convex plate 61 is fixedly connected with a convex ball 62, and a slot 63 is formed in the inner side of the corresponding hole of the upper cover plate 1; the clamping grooves 63 are matched with the convex balls 62, the convex plates 61 are of a protruding cuboid structure, and the number of the convex plates 61, the clamping grooves 63 and the convex plates 61 is four groups and distributed in an annular array; the connection and the disassembly between the EC fan 5 and the upper cover plate 1 can be conveniently completed.
Example 3
As shown in fig. 5, on the basis of embodiment 2, it is also proposed that the upper end of the lower dome 3 is movably provided with a plate-type filter element 4, and a clamping structure 6 is also provided between the plate-type filter element 4 and the EC fan 5; the lower end of the EC fan 5 is symmetrically provided with a convex plate 61 and a convex ball 62, the upper end of the plate-type filter element 4 is provided with a clamping groove 63, the clamping groove 63 is matched with the convex plate 61 and the convex ball 62 at the lower end of the EC fan 5, and the convex ball 62 is made of rubber material with elasticity; the connection and the disassembly between the EC fan 5 and the plate-type filter element 4 can be conveniently completed.
Example 4
As shown in fig. 7, on the basis of embodiment 3, it is also proposed that the engagement structure 8 includes a recess groove 81 formed on the outer surface of the upper end of the upper cover plate 1, a return spring 82 is disposed in the recess groove 81, the upper end of the return spring 82 is connected with a movable column 83, the upper end of the movable column 83 is hinged with a limiting plate 84, and a limiting groove 85 is formed on the outer surface of the lower end of the limiting plate 84; the upper end and the lower end of the reset spring 82 are respectively fixedly connected with the movable column 83 and the upper cover plate 1, the protective net cover 7 is composed of a plurality of groups of metal wire meshes, the limiting groove 85 is of a groove-shaped structure matched with the diameter of a single metal wire of the protective net cover 7, the movable column 83 and the limiting plate 84 are pulled by the reset spring 82 to fix the edge metal wire of the connecting structure 8, the width of the limiting plate 84 is smaller than the spacing between the edges of the metal wire meshes of the protective net cover 7, and the spacing between two groups of adjacent metal wire meshes at the edges of the protective net cover 7 is equal to the spacing between the two groups of limiting grooves 85; that is, when the limiting plate 84 rotates and is parallel to the metal mesh at the edge of the protective screen 7, the limiting plate 84 can pass through between two adjacent groups of metal mesh wires from top to bottom, so that the protective screen 7 can be conveniently installed and fixed, and the trouble that the installation is required by screw installation tools such as a screwdriver is avoided.
Example 5
As shown in fig. 1 to 5, on the basis of embodiment 4, the upper cover plate 1 is of a disc-shaped structure with a through hole matched with the EC fan 5 in the middle, a high-strength steel wire mesh 10 is movably connected between the lower round cover 3 and the upper round cover 2 and used for adjusting the running wind speed of the EC fan 5, the plate-type filter element 4 is of a hollow columnar structure, the protruding part 9 is of a circular structure with the inner diameter matched with the outer diameter of the plate-type filter element 4, the inner diameter of the high-strength steel wire mesh 10 is matched with the outer diameter of the protruding part 9, the outer diameter is matched with the inner diameter of the lower round cover 3, a group of holes matched with the outer diameter of the plate-type filter element 4 are formed in the middle of the upper round cover 2, and the rest parts are completely symmetrical with the lower round cover 3; the assembly and disassembly of the device shell structure in the columnar shape can be facilitated.
Example 6
As shown in fig. 7 to 8, on the basis of embodiment 4, the upper cover plate 1 has a square structure with a through hole in the middle, which is matched with the EC fan 5, the plate-type filter element 4 has four groups of plate-type structures, the outer surfaces of the lower round cover 3 and the upper cover plate 1 are provided with connecting grooves 13, which are matched with the upper end and the lower end of the plate-type filter element 4, the protruding part 9 has a plate-type structure bent into a right angle, and the positions of the plate-type filter element 4 are limited and fixed through the connecting grooves 13 and the protruding part 9; the assembly and disassembly of the device housing portion in the square configuration can be facilitated.
The invention also discloses a preparation method of the composite plate type filter element 4, which comprises the following preparation steps:
the method comprises the following steps: the attaching method is to attach the purifying material into the nano electrostatic fiber spinning membrane filter core and graft the virus and bacteria purifying material onto the nano electrostatic fiber spinning membrane filter core;
the second method is as follows: the doping method is to mix the purifying material into the nano electrostatic fiber spinning membrane filter core and graft the virus and bacteria purifying material onto the nano electrostatic fiber spinning membrane filter core.
The method comprises the following steps:
1) Attaching a nano rutile manganese zinc material to a nano silicon dioxide electrostatic fiber spinning film to prepare a nano rutile manganese zinc functionalized nano silicon dioxide electrostatic fiber spinning film;
2) Grafting the mixed solution of dipentene and cetylpyridinium chloride into the nano silicon dioxide electrostatic fiber spinning film;
the second method specifically comprises the following steps:
1) Mixing raw materials of a nano rutile manganese zinc material nano polyamide N-halamine electrostatic fiber spinning film, and preparing the nano polyamide N-halamine electrostatic fiber spinning film by adopting a direct doping method;
2) Grafting the mixed solution of dipentene and cetylpyridinium chloride into the nano polyamide N-halamine electrostatic fiber spinning film.
Experimental data:
1. air filtration efficiency and air resistance detection
The purifying effect of the particulate matters in the air is one of the main performance indexes in the national standard of the air purifier, the filter core of the particulate matters adopted by the air filter is an important detection index.
According to the standard of GB/T13554-2020 high-efficiency air filter, the air filtration efficiency and air resistance of a multifunctional simple air purifier respectively taking a nano silicon dioxide electrostatic fiber spinning membrane, a nano polyamide N-halamine electrostatic fiber spinning membrane and glass fiber as a filter element in the application process of the high-efficiency filter are detected and compared, and the detection results are shown in Table 1.
Table 1 multifunctional simple air purifier filtering efficiency and air resistance detection
The test results in table 1 show that the comparative glass fiber filter element has high filtration efficiency, but has high air resistance, while the nano electrostatic fiber spinning membrane filter element, especially the nano silicon dioxide electrostatic fiber spinning membrane filter element, filters fine particles and granules in air through a dense nano fiber net, belongs to physical barrier type filtration, and has high filtration efficiency and small air resistance.
2. Formaldehyde purification efficiency detection for multifunctional simple air purifier
The purifying effect of harmful gas in the air is one of main performance indexes in the national standard of the air purifier, wherein the representative is formaldehyde, and the multifunctional simple air purifier containing the functionalized nano electrostatic fiber spinning membrane filter core of the nano rutile manganese zinc material is subjected to formaldehyde purifying efficiency detection according to the standard of the GB/T18801-2015 air purifier;
the detection results are shown in Table 2.
Table 2 the formaldehyde purification efficiency test results of the multifunctional simple air purifier.
The detection results in table 2 show that the purification efficiency of formaldehyde of the multifunctional simple air purifier of the 2 functionalized nano electrostatic fiber spinning membrane filter cores containing nano rutile manganese zinc materials reaches 97%, and the purification efficiency of formaldehyde is high.
The nanometer rutile manganese zinc is a nanometer catalytic material, formaldehyde molecules and oxygen molecules in the air are converted into CO2 molecules and H2O molecules after being catalyzed by the nanometer rutile manganese zinc, the purification effect is achieved, and the purification mechanism of the nanometer rutile manganese zinc to formaldehyde is as follows:
the nano rutile manganese zinc also has decomposition effect on ammonia gas and hydrogen sulfide, and can play a deodorizing role.
3. Antibacterial performance and antiviral activity detection of functionalized nano electrostatic fiber spinning membrane or filter element thereof
Evaluation of antimicrobial Properties of textiles according to GB/T20944.3-2008 part 3: the standard of the oscillation method is to detect the bacterial killing rate of the functionalized nano silicon dioxide electrostatic fiber spinning film or the filter element thereof; according to ISO 18184:2019 And (E) detecting the virus deactivation rate of the functionalized nano electrostatic fiber spinning membrane or the filter element of the functionalized nano electrostatic fiber spinning membrane according to the international standard of textile antiviral activity determination. The detection results are shown in Table 3.
TABLE 3 detection results of antibacterial and antiviral Activity of functionalized nanofiber spinning membranes or filter cartridges thereof
As shown by the detection results in the table 3, the inactivation rate of the functionalized nano silicon dioxide electrostatic fiber spinning membrane or the filter element to influenza virus and new coronavirus is more than 99.99%, and the antibacterial rate (killing rate) to bacteria is more than 99.995%;
the detection result shows that the functionalized nano electrostatic fiber spinning membrane or the filter element thereof has the efficient virus inactivating and bacteria killing performance.
During the air purification process, bacteria and viruses are firstly intercepted by a nano electrostatic fiber spinning membrane filter core, and then active chlorine is released by the nano electrostatic fiber spinning membrane functionalized by the mixed solution of dipentene and cetylpyridinium chloride to inactivate pathogens.
In the multifunctional simple air purifier in which the mixed solution of the dipentene and the cetylpyridinium chloride is grafted into the nano electrostatic fiber spinning membrane filter core, the dipentene and the cetylpyridinium chloride play a combined role, so that the virus can be effectively inactivated and the bacteria can be effectively killed.
In summary, the application method and the specific principle of the invention are as follows:
1. columnar morphology:
when the filter element is installed, a user can firstly put the lower round cover 3 on the ground, then put the position, corresponding to the inner side of the protruding part 9, of the outer side of the plate-type filter element 4 vertically downwards, then put the high-strength steel wire mesh 10 between the inner side of the lower round cover 3 and the outer side of the protruding part 9, then put the upper round cover 2 corresponding to the upper end of the high-strength steel wire mesh 10, vertically downwards insert the lower end 51 of the EC fan 5 together with the clamping groove 63, corresponding to the upper end of the plate-type filter element 4, of the protruding ball 62, so that the protruding plate 61 and the protruding ball 62 are clamped in the clamping groove 63, at the moment, the plate-type filter element 4 and the EC fan 5 form stable connection, then the position of the upper clamping groove 63 of the upper cover plate 1 corresponds to the protruding ball 62, until the protruding ball 62 is clamped in the inner side of the clamping groove 63, at the moment, the upper cover 1 and the EC fan 5 form stable connection, simultaneously the lower end of the upper cover 1 and the outer surface of the upper cover 2 are just jointed, then the device is rotated through the power wire 12, and then the air can be blown from the outer side of the EC fan 5 to the outer side of the filter element through the rotary filter element 10, and the filter element is purified, and the air can be blown out from the outer side of the filter element 10 through the filter element through the rotary filter element.
It should be noted that, when the EC fan 5 is detached, the user only needs to pull the EC fan 5 and the upper cover plate 1 and the plate filter element 4 to a direction away from each other vertically, so that the EC fan 5 is separated from the upper cover plate 1 and the plate filter element 4.
2. Square shape:
when in installation, a user can firstly place the lower round cover 3 on the ground, then vertically and downwards place the lower ends of the four groups of plate-type filter elements 4 at positions corresponding to the connecting grooves 13, then vertically and downwards press the positions of the clamping grooves 63 on the upper cover plate 1 at the positions corresponding to the convex balls 62 on the outer surfaces of the convex balls 62 at the upper end of the EC fan 5 until the convex balls 62 are clamped in the clamping grooves 63, at the moment, stable connection is formed between the upper cover plate 1 and the EC fan 5, finally the connecting grooves 13 at the lower end of the upper cover plate 1 are vertically and downwards placed at the positions corresponding to the upper ends of the four groups of plate-type filter elements 4, then the device can be used by rotating the speed regulation knob 11 after being electrified through the power wire 12, air is sucked from the upper end of the upper cover plate 1 through the EC fan 5, and the air can be purified, filtered and disinfected by blowing in the periphery of the plate-type filter elements 4.
It should be noted that, when the EC fan 5 and the upper cover plate 1 are detached, the EC fan 5 and the upper cover plate 1 can be separated only by pulling the EC fan 5 and the upper cover plate 1 in directions away from each other vertically.
When the protective mesh enclosure 7 is mounted in the two modes described above:
the user only needs to rotate limiting plate 84 earlier for limiting plate 84 is located between two sets of protection screen panel 7 wire mesh, vertical downward will protect screen panel 7 again and put, later upwards pull limiting plate 84, limiting plate 84 can drive movable post 83 upwards this moment, through movable post 83 pulling reset spring 82, make reset spring 82 stretched and expand, later rotate limiting plate 84 again, the spacing groove 85 that makes limiting plate 84 below just is in the upper end of two sets of adjacent protection screen panel 7 wire, loosen limiting plate 84 gently, under reset spring 82 reverse effort, can pull movable post 83 downwards together with limiting plate 84, limiting plate 85 just block is on the wire of protection screen panel 7 this moment, all three sets of linking structures 8 all repeat above-mentioned operation, can fix the position of protection screen panel 7, otherwise only need reverse operation can make protection screen panel 7 and limiting plate 84 phase separation when taking off.
It should be noted that, in the present invention, the charging method of the wireless charging module for charging the battery pack is the same as the existing wireless charging principle;
the automatic traveling chassis of the AGV is used for automatically moving according to a preset route in the same way as the principle of the existing automatic traveling trolley of the AGV;
and the power cord 12 may not be provided with wireless charging and the AGV self-walking chassis.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. The utility model provides a sterilizing and ventilating device, its characterized in that, including upper cover plate (1), upper dome (2) and lower dome (3), upper dome (2) are embedded in the lower extreme surface of upper cover plate (1), be provided with between lower dome (3) and upper dome (2) high strength steel wire net (10), the lower extreme of upper cover plate (1) is provided with EC fan (5), be provided with block structure (6) between EC fan (5) and upper cover plate (1), the surface middle part hole department activity of upper cover plate (1) is provided with protective screen (7), be provided with linking structure (8) between protective screen (7) and upper cover plate (1), the upper end fixedly connected with bellying (9) of lower dome (3), the surface rotation of upper cover plate (1) is connected with speed governing knob (11), the surface of upper cover plate (1) is connected with power cord (12).
The clamping structure (6) comprises a convex plate (61) fixedly connected to the upper end of the EC fan (5), a convex ball (62) is fixedly connected to the outer surface of the convex plate (61), and a clamping groove (63) is formed in the inner side of the corresponding hole of the upper cover plate (1);
the clamping grooves (63) are matched with the convex balls (62), the convex plates (61) are of protruding cuboid structures, and the number of the convex plates (61), the number of the clamping grooves (63) and the number of the convex plates (61) are four groups and are distributed in an annular array.
2. The sterilization and ventilation device according to claim 1, characterized in that a plate-type filter element (4) is movably arranged at the upper end of the lower round cover (3), and a clamping structure (6) is also arranged between the plate-type filter element (4) and the EC fan (5);
the lower extreme symmetry of EC fan (5) is provided with flange (61) and convex ball (62), draw-in groove (63) have been seted up to the upper end of board-like filter core (4), draw-in groove (63) match with flange (61) and convex ball (62) of EC fan (5) lower extreme, convex ball (62) are the rubber material that has elasticity.
3. The sterilization and ventilation device according to claim 2, wherein the connection structure (8) comprises a concave groove (81) formed in the outer surface of the upper end of the upper cover plate (1), a return spring (82) is arranged in the concave groove (81), the upper end of the return spring (82) is connected with a movable column (83), the upper end of the movable column (83) is hinged with a limiting plate (84), and a limiting groove (85) is formed in the outer surface of the lower end of the limiting plate (84);
the upper end and the lower end of the reset spring (82) are respectively fixedly connected with the movable column (83) and the upper cover plate (1), the protective net cover (7) is composed of a plurality of groups of metal wires, the limiting groove (85) is of a groove body-shaped structure matched with the diameter of a single metal wire of the protective net cover (7), the movable column (83) and the limiting plate (84) are pulled by the reset spring (82) to fix the edge metal wire of the connecting structure (8), the width of the limiting plate (84) is smaller than the distance between the edges of the metal wires of the protective net cover (7), and the distance between two groups of adjacent metal wires at the edges of the protective net cover (7) is equal to the distance between the two groups of limiting grooves (85);
namely, when the limiting plate (84) rotates to be parallel to the edge metal net of the protective net cover (7), the limiting plate (84) can pass through between two adjacent groups of metal net wires up and down.
4. The sterilization and ventilation device according to claim 3, wherein the upper cover plate (1) is of a disc-shaped structure with a through hole matched with the EC fan (5) in the middle, a high-strength steel wire mesh (10) is movably connected between the lower round cover (3) and the upper round cover (2) and used for adjusting the running wind speed of the EC fan (5), the plate-type filter element (4) is of a hollow columnar structure, the protruding part (9) is of a circular ring-shaped structure with the inner diameter matched with the outer diameter of the plate-type filter element (4), the inner diameter of the high-strength steel wire mesh (10) is matched with the outer diameter of the protruding part (9), the outer diameter is matched with the inner diameter of the lower round cover (3), a group of holes matched with the outer diameter of the plate-type filter element (4) are formed in the middle of the upper round cover (2), and the rest parts are completely symmetrical with the lower round cover (3).
5. The sterilization and ventilation device according to claim 3, wherein the upper cover plate (1) is of a square structure with a through hole matched with the EC fan (5) in the middle, the plate-type filter element (4) is of a four-group annular plate-type structure, the outer surfaces of the lower round cover (3) and the upper cover plate (1) are provided with connecting grooves (13) matched with the upper end and the lower end of the plate-type filter element (4), the protruding part (9) is of a plate-type structure bent into a right angle, and the positions of the plate-type filter element (4) are limited and fixed through the connecting grooves (13) and the protruding part (9).
6. A sterilizing and ventilating device according to claim 5, characterized in that the plate-type filter element (4) comprises a nano electrostatic fiber spinning membrane filter element, a harmful gas purification material, a virus and bacteria purification material;
the nano electrostatic fiber spinning membrane filter element is a nano silicon dioxide electrostatic fiber spinning membrane filter element or a nano polyamide N-halamine electrostatic fiber spinning membrane filter element;
the harmful gas purifying material is nano rutile manganese zinc material;
the virus and bacteria purifying material is mixed solution of dipentene and cetylpyridinium chloride.
7. The sterilizing and ventilating device according to claim 6, wherein the harmful gas purifying material is attached to the surface of the nanofiber spinning membrane or directly doped in the nanofiber spinning membrane cartridge;
the virus and bacteria purifying material is grafted into the nano electrostatic fiber spinning membrane.
8. The sterilization and ventilation device according to claim 1, wherein a battery pack and a wireless charging module are arranged on the outer surface of the lower round cover (3), and an AGV self-walking chassis is arranged on the outer surface of the lower end of the lower round cover (3);
the wireless charging module is used for charging the battery pack through wireless charging;
the AGV self-walking chassis is used for automatically, efficiently and accurately disinfecting and epidemic preventing different indoor areas according to a preset route;
the battery pack is used for supplying power for the running of the AGV self-walking chassis.
9. The preparation method of the composite plate type filter element, which is applied to the sterilization and ventilation device of any one of claims 1-8, is characterized by comprising the following preparation steps:
the method comprises the following steps: the attaching method is to attach the purifying material into the nano electrostatic fiber spinning membrane filter core and graft the virus and bacteria purifying material onto the nano electrostatic fiber spinning membrane filter core;
the second method is as follows: the doping method is to mix the purifying material into the nano electrostatic fiber spinning membrane filter core and graft the virus and bacteria purifying material onto the nano electrostatic fiber spinning membrane filter core.
10. The method for preparing the composite board type filter element according to claim 9, wherein,
the method comprises the following steps:
1) Attaching a nano rutile manganese zinc material to a nano silicon dioxide electrostatic fiber spinning film to prepare a nano rutile manganese zinc functionalized nano silicon dioxide electrostatic fiber spinning film;
2) Grafting the mixed solution of dipentene and cetylpyridinium chloride into the nano silicon dioxide electrostatic fiber spinning film;
the second method specifically comprises the following steps:
1) Mixing raw materials of a nano rutile manganese zinc material nano polyamide N-halamine electrostatic fiber spinning film, and preparing the nano polyamide N-halamine electrostatic fiber spinning film by adopting a direct doping method;
2) Grafting the mixed solution of dipentene and cetylpyridinium chloride into the nano polyamide N-halamine electrostatic fiber spinning film.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310495434.2A CN116558019A (en) | 2023-05-05 | 2023-05-05 | Sterilization and ventilation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310495434.2A CN116558019A (en) | 2023-05-05 | 2023-05-05 | Sterilization and ventilation device |
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