CN204853715U - Air purifier's purification degassing unit - Google Patents

Abstract

A purifying and disinfecting device for an air purifier. The device is provided with a casing, and the casing is provided with an opening passing through the airflow direction. A secondary filter element is provided, and a disinfection device is arranged between the primary filter element and the secondary filter element, and the disinfection device is an ultraviolet lamp disinfection device. The utility model firstly filters the solid particles in the air by setting a primary filter element at the air inlet, and sets an ultraviolet lamp disinfection device in the middle to sterilize and disinfect the air, and then sets a secondary filter element at the air outlet to eliminate the peculiar smell in the air. , Harmful gases are oxidized and decomposed, realizing the dual functions of air purification and disinfection. The utility model also has the advantages of good purification and disinfection effect, convenient and fast assembly, simple structure, convenient operation and the like.

Description

Purification and disinfection device of air purifier

【Technical field】

The utility model relates to the field of air purification, in particular to a purification and disinfection device for an air purifier which integrates purification and disinfection and is convenient and quick to assemble.

【Background technique】

With the development of science and technology, people's requirements for living environment are getting higher and higher. However, with the rapid economic development, the problem of environmental pollution is also very serious. In order to reduce the damage of environmental pollution to people, air purification devices have emerged as the times require. As a kind of equipment that can purify air, air purification device has been widely used in occasions such as homes, offices and factories. But the existing air purification device generally only has a single air filtering function, that is, it can only filter solid particles in the air, and in areas such as areas with serious air pollution and newly renovated houses, it often contains a large amount of bacteria, harmful gases ( Such as formaldehyde, benzene, etc.) and other substances, which are very harmful to the human body, especially for children, the elderly and other groups with weak resistance. Therefore, existing air purification devices cannot meet people's needs for air purification.

【Content of invention】

The utility model aims at solving the above problems, and provides a purification and disinfection device for an air purifier which integrates purification and disinfection and is convenient and quick to assemble.

In order to achieve the purpose of the utility model, the utility model provides a purification and disinfection device for an air purifier. A primary filter element is provided on one side of the tuyere, a secondary filter element is provided on the side close to the air outlet in the housing, and a disinfection device is provided between the primary filter core and the secondary filter core, and the disinfection device For ultraviolet light disinfection device.

The primary filter element is a HEPA filter element with a rectangular block structure, and the primary filter element is covered with a plurality of regularly or irregularly arranged first through holes.

The primary filter element is made of one or more filter materials of PP filter paper, glass fiber, composite PP-PET filter paper, melt-blown polyester non-woven fabric or melt-blown glass fiber.

The secondary filter element is an activated carbon and photocatalyst filter element with a rectangular block structure, and the secondary filter element is covered with a plurality of second through holes arranged regularly or irregularly.

The secondary filter element is made of a mixed filter material of activated carbon and nano-titanium dioxide and a composite filter material of activated carbon and nano-titanium dioxide.

The disinfection device comprises an ultraviolet lamp, a reflector, a power board and a power board cover, the ultraviolet lamp is arranged between the primary filter element and the secondary filter element, the ultraviolet lamp is fixed in the reflector, the power board and the The ultraviolet lamps are connected, and the power board cover is arranged on the power board.

The reflector includes a cover body and a lamp holder arranged on the top of the cover body. The cover body is a U-shaped structure, and its open end faces the secondary filter element. The ultraviolet lamp is plugged into the lamp holder, and the lamp holder The top is provided with a groove, the power board is installed in the groove, the power board is electrically connected with the lamp holder, and the power board cover is fixed on the opening end of the groove.

The top of the casing is provided with a counterbore matching the size of the cover body of the reflector, the size of the groove of the lamp holder is larger than the size of the cover body, and the cover body passes through the counterbore hole so that a part of the lamp holder is inserted into the sinker. inside the hole.

The contribution of the utility model is that it effectively solves the problems of low purification efficiency and no disinfection function of the existing air purification device. The utility model performs primary filtration on solid particles in the air by setting a primary filter element at the air inlet, and sets an ultraviolet lamp disinfection device in the middle to sterilize and sterilize the air, and then sets a secondary filter element at the air outlet to eliminate the peculiar smell in the air. , Harmful gases are oxidized and decomposed, realizing the dual functions of air purification and disinfection. The utility model also has the advantages of good purification and disinfection effect, convenient and fast assembly, simple structure, convenient operation and the like.

【Description of drawings】

Fig. 1 is a three-dimensional schematic diagram of the disassembled structure of the components of the utility model.

Fig. 2 is a three-dimensional schematic diagram of the structure of the utility model.

Fig. 3 is a sectional view taken along line A-A of Fig. 2 .

Fig. 4 is a three-dimensional schematic diagram of the exploded structure of the components in the application state of the present invention.

【Detailed ways】

The following examples are further explanations and supplements to the utility model, and do not constitute any limitation to the utility model.

Referring to FIG. 1 , the purification and disinfection device 100 of the air purifier of the present invention includes a housing 10 , a primary filter element 20 , a secondary filter element 30 and a disinfection device 40 .

As shown in FIG. 1 and FIG. 2 , the housing 10 is a rectangular cylindrical body with openings at both ends along the airflow direction. In this embodiment, the housing 10 is a rectangular frame consisting of an upper cover, a lower cover and two side walls, and a rectangular counterbore 11 is provided in the center of the top of the housing 10, and the rectangular counterbore 11 is used to make the disinfection device 40 part The disinfection device 40 is fixed in the casing 10 by being embedded therein.

As shown in Figures 1 and 3, a primary filter element 20 is provided on the side of the air inlet in the casing 10. The primary filter element 20 is a rectangular block, and its size is slightly smaller than the size of the air inlet of the casing 10. The filter element 20 is embedded in the casing 10 , and a sealing ring is provided at the connecting portion of the primary filter element 20 and the casing 10 . In this embodiment, screw holes can be provided on the side walls of the housing 10 near the air inlet, and the primary filter element 20 can be fixed to the air inlet side of the housing 10 by bolts, or a card slot can also be provided on the housing 10 Corresponding buckles are arranged around the primary filter element 20 , so that the primary filter element 20 is clamped to the side of the air inlet of the casing 10 . The primary filter element 20 is covered with a plurality of first through holes 21 , and the first through holes 21 may be regularly arranged on the primary filter element 20 or irregularly arranged on the primary filter element 20 . Wherein, the first through hole 21 may be a rectangular through hole, a circular through hole or other polygonal through holes. In this embodiment, the primary filter element 20 is covered with a plurality of rectangular through holes evenly arranged in rows and columns, so that the air can enter evenly from the rectangular through holes, and the contact area between the air and the primary filter element 20 is increased. , thereby improving the air purification efficiency. Granular activated carbon can also be installed in the first through hole 21 to adsorb the impurities in the air. In this embodiment, the primary filter element 20 is a HEPA filter element, and the primary filter element 20 is made of one or more filter papers of PP filter paper, glass fiber, composite PP-PET filter paper, melt-blown polyester non-woven fabric or melt-blown glass fiber. material made. The HEPA primary filter element in this embodiment can trap particles of dust and various suspended matter below 0.5 μm, and its removal rate for particles of 0.3 μm reaches 97.00%.

As shown in Figures 1 and 3, a secondary filter element 30 is provided on the side near the air outlet in the housing 10. The secondary filter element 30 is a rectangular block, and its size is slightly smaller than the size of the air outlet of the housing 10. The secondary filter element 30 is embedded in the casing 10 , and a sealing ring is provided at the connecting portion between the secondary filter element 30 and the casing 10 . In this embodiment, screw holes can be provided on the side walls of the housing 10 close to the air outlet, and the secondary filter element 30 can be fixed on the air outlet side of the housing 10 by bolts, or a clamp can also be provided on the housing 10. Groove, set corresponding buckles around the secondary filter element 30, so that the secondary filter element 30 is clamped on the side of the air outlet of the housing 10. The secondary filter element 30 is covered with a plurality of second through holes 31 , and the second through holes 31 can be regularly arranged on the secondary filter element 30 or irregularly arranged on the secondary filter element 30 . Wherein, the second through hole 31 may be a rectangular through hole, a circular through hole or other polygonal through holes. In this embodiment, the secondary filter element 30 is covered with a plurality of regular hexagonal through holes evenly arranged in rows and columns, so that the air can enter evenly from the regular hexagonal through holes, and the air and secondary The contact area of the stage filter element 30 is improved, thereby improving the air purification efficiency. Granular activated carbon can also be installed in the second through hole 31 to further adsorb solids in the air. In this embodiment, the secondary filter element 30 is an activated carbon and photocatalyst filter element. The secondary filter element 30 can be made of a mixed material of activated carbon and photocatalyst, and the secondary filter element 30 can also be made of a composite material of activated carbon and photocatalyst. Among them, activated carbon is used to absorb dust, peculiar smell and harmful gas in the air, and it can be activated carbon powder or activated carbon particles. The photocatalyst is a photocatalyst, which is used to oxidize and decompose harmful gases in the air. one or more combinations. In this embodiment, the photocatalyst is nano-titanium dioxide, and the secondary filter element 30 is made of a composite material of activated carbon and nano-titanium dioxide, or a mixed material of activated carbon and nano-titanium dioxide. In this embodiment, activated carbon and photocatalyst are used as the secondary filter element 30, and the air is absorbed by activated carbon and enriched on the activated carbon. Activated carbon can eliminate peculiar smell. Harmful air is oxidized and decomposed, and the efficiency of purification and disinfection is improved through the synergistic effect of the adsorption of activated carbon and the oxidative decomposition of photocatalyst.

As shown in FIGS. 1 and 3 , a disinfection device 40 is provided between the primary filter element 20 and the secondary filter element 30 . The disinfection device 40 is an ultraviolet lamp disinfection device, and the disinfection device 40 includes an ultraviolet lamp 41 , a reflector 42 , a power board 43 and a power board cover 44 . Wherein, the ultraviolet lamp 41 is fixedly installed in the reflector 42 , and the power board 43 is connected with the ultraviolet lamp 41 . In this embodiment, the ultraviolet lamp 41 is a U-shaped ultraviolet lamp with a plug at its top. The reflector 42 includes a cover body 421 and a lamp holder 422 , and the lamp holder 422 is disposed on the top of the cover body 421 . Wherein, the cover body 421 is a U-shaped cover body, and its size matches the size of the counterbore 11 of the housing 10. The opening of the U-shaped cover body 421 faces the secondary filter element 30, so that most of the light sources of the ultraviolet lamp 41 are irradiated on the On the secondary filter element 30, the catalytic efficiency of the photocatalyst is improved. The bottom of the lamp holder 422 is provided with a socket, and the top is provided with a groove 423 with an upward opening. The size of the groove 423 is larger than that of the cover body 421 . Wherein, the socket is plugged with the plug of the ultraviolet lamp 41 , and a screw column is arranged in the groove 423 . The power board 43 is installed in the groove 423 and electrically connected to the socket. The power board 43 is provided with a power board cover 44 , and the power board cover 44 is fixed at the opening end of the groove 423 , thereby preventing the power board 43 from being dislocated or polluted by air. In order to facilitate installation, bolt holes are set at the corresponding positions of the power board 43 and the power board cover 44. The bolt holes cooperate with the screw columns in the groove 423 of the lamp holder 422, and the power board cover 44 and the power board 43 are connected by bolts. It is fixed on the lamp holder 422 . The ultraviolet lamp disinfection device 40 in this embodiment not only plays the effect of sterilizing and disinfecting the air after the primary purification of the primary filter element 20, but also provides light for the photocatalyst of the secondary filter element 30, so that the photocatalyst reaction efficiency is higher. high. When the disinfection device 40 is installed, the ultraviolet lamp 41 is plugged in the socket of the lamp holder 422 to be fixed in the cover body 421, and the power supply board 43 is installed in the groove of the lamp holder 422, so that the power supply board 43 and the lamp holder 422 sockets are electrically connected, and then the power board cover 44 is installed on the opening end of the groove 423, and then the cover 421 is passed through the counterbore 11 at the center of the top of the housing 10, and the cover 421 enters the housing 10 , so that a part of the lamp holder 422 is embedded in the counterbore 11, and the assembly is convenient and fast.

Fig. 4 shows the application state of the purification and disinfection device 100 of the present invention on an air purifier. As shown in Figure 4, the purification and disinfection device 100 of the air purifier of the present invention is placed in the main casing 201, an air inlet net 202 is arranged at the air inlet position of the main casing 201, and an air outlet is provided at the air outlet position of the main casing 201. The air net 203 is provided with a motor 204 and a fan blade 205 connected to the rotating shaft of the motor 204 between the air outlet net 203 and the purification and disinfection device 100 . During work, start the motor 204, and the motor 204 drives the fan blade 205 to rotate, so that the air enters from the air inlet net 202, and after being purified and sterilized by the purification and disinfection device 100, the purified and sterilized air flows from the outlet through the action of the rotating fan blade 205. The air net 203 is discharged to realize the double function of integrating air purification and disinfection.

Thereby, the purification and disinfection device 100 of the air evolution device of the present utility model uses HEPA as the primary filter element 20 to carry out primary purification of the air, so that the removal rate of solid particles with a particle size of 0.3 μm reaches 97%; The air after the primary filtration is deodorized, sterilized, and disinfected, and finally the air is purified through activated carbon and photocatalyst as the secondary filter element 30. Through the synergistic effect of the adsorption of activated carbon and the oxidative decomposition of the photocatalyst, under the irradiation of ultraviolet light , so that harmful gases in the air are oxidized and decomposed, realizing the dual functions of air purification and disinfection. The utility model also has the advantages of good purification and disinfection effects, convenient and quick assembly, simple structure, and convenient use.

Although the utility model has been disclosed through the above embodiments, the scope of protection of the utility model is not limited thereto. Under the condition of not departing from the concept of the utility model, the deformation and replacement of the above components will fall into place. Into the scope of claims of the present utility model.

Claims (8)

1. A purifying and disinfecting device for an air cleaner, characterized in that the device is provided with a housing (10), and the housing (10) is provided with an opening through which the airflow direction passes, and in the housing (10) A primary filter element (20) is provided on the side close to the air inlet, and a secondary filter element (30) is provided on the side of the housing (10) close to the air outlet. Between the primary filter element (20) and the A disinfection device (40) is provided between the secondary filter elements (30), and the disinfection device (40) is an ultraviolet lamp disinfection device. 2. The purifying and disinfecting device of air purifier as claimed in claim 1, is characterized in that, described primary filter core (20) is the HEPA filter core of rectangular block structure, cloth on described primary filter core (20) A plurality of regularly or irregularly arranged first through holes (21). 3. The purification and disinfection device of an air cleaner as claimed in claim 2, wherein the primary filter element (20) is made of PP filter paper, glass fiber, composite PP-PET filter paper, melt-blown polyester non-woven fabric or melt It is made of one or more filter materials sprayed with glass fiber. 4. The purifying and disinfecting device of air purifier as claimed in claim 1, is characterized in that, described secondary filter element (30) is the active carbon of rectangular block structure and photocatalyst filter element, described secondary filter element (30) It is covered with a plurality of second through holes (31) arranged regularly or irregularly. 5. the purifying and disinfecting device of air purifier as claimed in claim 4, is characterized in that, described secondary filter element (30) is made of the composite filter material of activated carbon and nano-titanium dioxide or the composite filter material of activated carbon and nano-titanium dioxide . 6. The purifying and disinfecting device of air purifier as claimed in claim 1, is characterized in that, described disinfecting device (40) comprises ultraviolet lamp (41), reflector (42), power board (43) and power board cover (44), the ultraviolet lamp (41) is located between the primary filter element (20) and the secondary filter element (30), the ultraviolet lamp (41) is fixed in the reflector (42), and the power board (43) is connected with ultraviolet lamp (41), and described power board cover (44) is arranged on the power board (43). 7. The purification and disinfection device of an air cleaner according to claim 6, wherein the reflector (42) comprises a cover body (421) and a lamp holder (422) arranged at the top of the cover body (421 ), The cover body (421) is a U-shaped structure, its open end faces the secondary filter element (30), the ultraviolet lamp (41) is inserted into the lamp holder (422), and the top of the lamp holder (422) is provided There is a groove (423), the power board (43) is installed in the groove (423), the power board (43) is electrically connected with the lamp holder (422), and the power board cover (44) is fixed on The open end of the groove (423). 8. The purifying and disinfecting device of the air purifier as claimed in claim 7, characterized in that, the top of the housing (10) is provided with a counterbore ( 11), the size of the groove (423) of the lamp holder (422) is larger than the size of the cover body (421), and the cover body (421) passes through the counterbore (11) to embed a part of the lamp holder (422) In the counterbore (11).