CN217402786U

CN217402786U - Air purifier

Info

Publication number: CN217402786U
Application number: CN202220605423.6U
Authority: CN
Inventors: 郭建刚; 莫其东; 杨杰
Original assignee: Guangdong Xinbao Electrical Appliances Holdings Co Ltd
Current assignee: Guangdong Xinbao Electrical Appliances Holdings Co Ltd
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-09-09
Anticipated expiration: 2032-03-18
Also published as: WO2023173528A1

Abstract

An embodiment of the utility model provides an air purifier, include the fuselage and locate filtration system and exhaust system in the fuselage, air purifier still includes UV banks spare, UV banks spare is located filtration system with between the exhaust system, and be located on the flow path of the air in the fuselage, the light that UV banks spare sent can form the light barrier on the cross-section of the flow path of air. The utility model discloses air purifier sets up UV banks spare on the flow path of air, and the light that UV banks spare sent can form the light protective screen in the flow direction of perpendicular to air, realizes covering the air that gets into exhaust system by filtration system comprehensively and disinfects, and the bactericidal effect reliability is strong.

Description

Air purifier

Technical Field

The utility model belongs to the technical field of little household electrical appliances, especially, relate to an air purifier.

Background

The air purifier can adsorb, decompose or convert various air pollutants through the filter screen, effectively improves air cleanliness, and is widely applied to families, office buildings and the like. However, the filter net cannot sterilize bacteria contained in the air. In order to kill the fungus class in the air, dispose the UV lamp on some air purifier among the prior art and disinfect, set up the UV lamp and disinfect the fungus class in the filter screen air bottom or filter screen top at filter screen bottom usually, because the structural constraint of UV lamp installation, the direction of shining is not enough, influences bactericidal effect.

The utility model discloses an air purifier for the utility model of bulletin number CN210717873U, including shell, fan, first platinum photocatalyst net, second platinum photocatalyst net, ultraviolet lamp and wireless subassembly that charges. The ultraviolet lamp is arranged in an inner cavity formed by the shell and emits light to the first platinum photocatalyst net and the second platinum photocatalyst net for sterilization. The light that above-mentioned structure ultraviolet lamp sent can not accomplish to shine the air that flows through in the air purifier, leads to disinfecting incompletely, and bactericidal effect can not guarantee.

SUMMERY OF THE UTILITY MODEL

In view of the above problems in the prior art, an object of the present invention is to provide an air purifier with a UV lamp assembly that can form a light barrier on a flow path of air to sufficiently and completely sterilize the air flowing in the air purifier.

The embodiment of the utility model provides a technical scheme who adopts is, an air purifier, include the fuselage and locate filtration system and exhaust system in the fuselage, air purifier still includes UV banks spare, UV banks spare is located filtration system with between the exhaust system, and be located on the flow path of air in the fuselage, the light that UV banks spare sent can form the light barrier on the cross-section of the flow path of air.

The utility model discloses air purifier sets up UV banks spare on the flow path of air, and the light that UV banks spare sent can form the light protective screen in the flow direction of perpendicular to air, realizes covering the air that gets into exhaust system by filtration system comprehensively and disinfects, and the bactericidal effect reliability is strong.

In some embodiments, the UV lamp assembly includes a fixed bracket having a passage formed therein for air to enter the exhaust system from the filter system, and a plurality of UV lamps disposed on the fixed bracket around a circumference of the fixed bracket to flood the passage with the light barrier formed by irradiation of the UV lamps. Therefore, a necessary path for air flowing is formed in the UV lamp assembly, so that the air is completely killed, and the air quality is improved.

In some embodiments, a plurality of accommodating chambers respectively communicated with the passages are arranged on the circumference of the fixing support, and the plurality of UV lamps are arranged in the accommodating chambers in a one-to-one correspondence manner; the UV lamp fixing device is characterized in that a buckle is arranged on the cavity wall of the containing cavity and fastens the UV lamp in the containing cavity. The structure is simple, and the fixing mode is stable and reliable.

In some embodiments, the fixed support is annular, the axial direction of the annular shape coinciding with the flow direction of the air; the UV lamp comprises a lamp panel and a lamp body arranged on the lamp panel; the appearance chamber by the outer wall of fixed bolster link up to the internal face of fixed bolster, the appearance chamber is close to be equipped with on the chamber wall of one side of internal face and keeps off the platform, the appearance chamber is close to be equipped with on the chamber wall of one side of outer wall the buckle, keep off platform and buckle cooperation and inject the constant head tank, work as the UV lamp install in when holding the chamber, week side card of lamp plate is gone into the constant head tank. Above-mentioned structural design is reasonable, can be convenient stable be fixed in the appearance intracavity with the lamp plate.

In some embodiments, the middle parts of the blocking platform corresponding to the top wall and the bottom wall of the cavity are respectively provided with a notch; the buckle includes two, two the buckle respectively corresponding locate on the roof and the diapire of appearance chamber. Through the cooperation of the buckle of two correspondence settings, can be with the stable injecing of lamp plate in holding the intracavity.

In some embodiments, two parallel strip-shaped grooves are formed in the top wall of the accommodating cavity from the outer wall surface to the inner wall surface, so that an elastic arm is formed on a part of the top wall of the accommodating cavity close to the outer wall surface, and one of the buckles is arranged on the elastic arm, so that the UV lamp can be clamped into the buckle conveniently.

In some embodiments, the lamp panel is installed in the cavity in a manner that the panel surface is parallel to the flowing direction of air; the lamp body is installed perpendicularly in the lamp plate is towards on one side face of route to make the light that the lamp body sent can shine towards the flow direction of perpendicular to air. The light that the lamp body sent of being convenient for is perpendicular to the flow direction of air, forms and transversely surrounds and shines, improves the purification efficiency that disinfects to the air.

In some embodiments, a light shielding rib is arranged on the inner wall surface of the fixing bracket at a position corresponding to the accommodating cavity, and the light shielding rib shields the UV lamp at least from above. The light that can avoid the UV lamp to send scatters upwards, improves the utilization ratio of light, increases the density of light barrier, and then improves the effect and the efficiency of disinfecting.

In some embodiments, the shading rib has an inverted U-shaped cross section and covers a side of the cavity facing the passage. So, gather together light that can be better, gather together light in the route that fixed bolster encloses, form intensive light barrier in the route.

In some embodiments, the exhaust system includes an air duct assembly, an air inlet is formed at the lower end of the air duct assembly, and a clamping groove is formed on the inner wall surface of the air inlet; the outer wall surface of the fixed support is provided with a clamping protrusion, the outer wall surface of the fixed support is attached to the inner wall surface of the air inlet, and the fixed support is fixed in the air inlet in a mode that the clamping protrusion is matched with the clamping groove. The fixed support is designed to be annular and is attached to the annular air inlet in an annular mode, the occupation of the air inlet area of the air inlet can be reduced, and the influence on the working efficiency of the air purifier is avoided.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.

The summary of various implementations or examples of the technology described in this disclosure is not a comprehensive disclosure of the full scope or all features of the disclosed technology.

Drawings

In the drawings, which are not necessarily drawn to scale, like reference numerals may describe similar components in different views. Like reference numerals having letter suffixes or different letter suffixes may represent different instances of similar components. The drawings illustrate various embodiments, by way of example and not by way of limitation, and together with the description and claims, serve to explain the embodiments of the invention. The same reference numbers will be used throughout the drawings to refer to the same or like parts, where appropriate. Such embodiments are illustrative and not intended to be exhaustive or exclusive embodiments of the present apparatus or method.

Fig. 1 is a perspective view of an air purifier according to an embodiment of the present invention.

Fig. 2 is an exploded schematic view of an air purifier according to an embodiment of the present invention.

Fig. 3 is a longitudinal sectional view of the air purifier according to the embodiment of the present invention.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is a transverse sectional view of the air purifier according to the embodiment of the present invention.

Fig. 6 is an enlarged view of a portion B in fig. 5.

Fig. 7 is a perspective view of a UV lamp assembly according to an embodiment of the present invention.

Fig. 8 is an exploded view of a perspective view of a UV lamp assembly according to an embodiment of the present invention.

Fig. 9 is an exploded view of another perspective of a UV lamp assembly in accordance with an embodiment of the present invention.

Reference numerals are as follows:

1-a filtration system; 11-a screen assembly; 12-a fuselage mount; 13-mounting port; 14-a screen cover;

2-an exhaust system; 21-an air duct assembly; 211-wind wheel; 212-an air inlet; 213-card slot; 22-a motor; 23-a housing; 24-an air outlet;

3-a UV lamp assembly; 31-a fixed support; 311-outer wall surface; 312-inner wall face; 313-a baffle table; 314-a via; 315-volume; 316-snap fastener; 317-elastic arms; 318-a strip groove; 32-UV lamp; 321-a lamp panel; 322-a lamp body; 33-shading ribs; 34-a snap projection; 35-a light barrier; 36-a connection terminal; 37-supply cable.

Detailed Description

In order to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, the accompanying drawings of the embodiment of the present invention are combined below to clearly and completely describe the technical scheme of the embodiment of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

An embodiment of the utility model provides an air purifier. As shown in fig. 1 to 5, the air cleaner includes a main body, and a filter system 1 and a ventilation system 2 provided in the main body. The air purifier further includes a UV lamp assembly 3 (ultraviolet lamp assembly), the UV lamp assembly 3 being disposed between the filter system 1 and the exhaust system 2 and being positioned on a flow path of air in the body, and the irradiation direction of light emitted from the UV lamp assembly 3 being inclined or perpendicular to the flow direction of air so as to be able to form a dense light barrier 35 on a section of the flow path of air. The cross-section is a cross-section that is perpendicular or substantially perpendicular to the flow path. That is, the light emitted from the UV lamp assembly 3 can be irradiated in a direction perpendicular or slightly oblique to the flow direction of the air, but the light barrier 35 can be formed perpendicular or substantially perpendicular to the flow direction of the air.

The utility model discloses an air purifier sets up UV banks spare 3 on the flow path of air, and the light that UV banks spare 3 sent can form light barrier 35 in the flow direction of perpendicular to air, realizes carrying out the comprehensive cover to the air that gets into exhaust system 2 by filtration system 1 and disinfects, and bactericidal effect good reliability.

In some embodiments, as shown in fig. 7-9, the UV lamp assembly 3 includes a stationary bracket 31 and a plurality of UV lamps 32. A passage 314 for allowing air to enter the exhaust system 2 from the filter system 1 is formed in the fixing bracket 31. The passageway 314 forms a portion of a flow path through which air flows. The plurality of UV lamps 32 are disposed on the fixing bracket 31 around the circumference of the fixing bracket 31, so that the light-tight barrier 35 formed by the UV lamps 32 is distributed over the passage 314 in the fixing bracket 31 as much as possible, and air is completely sterilized and purified when flowing through the passage 314, thereby improving air quality.

In some embodiments, with reference to fig. 7 to 9, a plurality of cavities 315 respectively communicating with the passages 314 are formed on the circumference of the fixing bracket 31, and the plurality of UV lamps 32 are installed in the plurality of cavities 315 in a one-to-one correspondence manner; the wall of the cavity 315 is provided with a buckle 316, and the buckle 316 fastens the UV lamp 32 in the cavity 315. The structure is simple, and the fixing mode is stable and reliable.

The number of the UV lamps 32 is not particularly limited, and may be any number of two or more, as long as it can satisfy the requirement of lateral surrounding irradiation, form the light barrier 35, and achieve good sterilization of air. A plurality of UV lamps 32 may be evenly distributed on the fixing bracket 31 so that the light barriers 35 have substantially the same density throughout and uniform germicidal effect.

In some embodiments, continuing with fig. 7-9, the fixed bracket 31 may be annular, with the axial direction of the annulus coinciding with the direction of flow of the air. The UV lamp 32 includes a lamp panel 321 and a lamp body 322 installed on the lamp panel 321. The housing 315 extends from the outer wall surface 311 of the fixed bracket 31 to the inner wall surface 312 of the fixed bracket 31. A baffle 313 is arranged on the cavity wall of one side of the cavity 315 close to the inner wall surface 312, a buckle 316 is arranged on the cavity wall of one side of the cavity 315 close to the outer wall surface 311, and the baffle 313 and the buckle 316 are matched to define a positioning groove. When the UV lamp 32 is installed in the cavity 315, the positioning groove is engaged with the periphery of the lamp panel 321. Above-mentioned structural design is reasonable, can be convenient stable be fixed in the chamber 315 with lamp plate 321.

In some embodiments, as shown in fig. 8, the blocking platform 313 is formed with a notch at the middle of the portion of the blocking platform 313 corresponding to the top wall and the bottom wall of the accommodating cavity 315, respectively, so that the blocking of the light emitted from the UV lamp 32 by the blocking platform 313 can be avoided, and the light emission will not be interfered even if the blocking platform 313 is raised. The two buckles 316 are respectively and correspondingly arranged on the top wall and the bottom wall of the cavity 315. Through the cooperation of the buckle 316 of two corresponding settings, can be with stable the being limited in of lamp plate 321 in holding chamber 315.

As shown in fig. 7 to 9, two parallel strip-shaped grooves 318 are opened on the top wall of the cavity 315 from the outer wall 311 to the inner wall 312, so that a spring arm 317 is formed on a portion of the top wall of the cavity 315 close to the outer wall 311. One of the catches 316 is provided on the resilient arm 317. Thus, the buckle 316 arranged on the elastic arm 317 can deform along with the elastic arm 317, and the UV lamp 32 can be conveniently clamped into the buckle 316.

In some embodiments, as shown in fig. 7 and 9, the lamp panel 321 is disposed in the cavity 315 with a panel surface parallel to the flow direction of the air. The lamp body 322 is vertically installed on one side of the lamp panel 321 towards the channel 314. So, do benefit to the light that lamp body 322 sent and can shine towards the flow direction of perpendicular to air, form and transversely encircle to shine, improve the purification efficiency that disinfects to the air.

In some embodiments, as shown in fig. 7 to 9, the inner wall surface 312 of the fixing bracket 31 is provided with a light shielding rib 33 at a position corresponding to the accommodating cavity 315, and the light shielding rib 33 shields the UV lamp 32 at least from above. So, can avoid the light that UV lamp 32 sent to upwards scatter, improve the utilization ratio of light, increase the density of light barrier 35, and then improve the effect and the efficiency of disinfecting.

Further, with continued reference to fig. 7 to 9, the light shielding rib 33 has an inverted U-shape in cross section and covers the side of the cavity 315 facing the flow path. Therefore, light can be better gathered, the light is gathered in the passage 314 surrounded by the fixed support 31, and the dense light barrier 35 is formed in the passage 314.

It will be appreciated that the UV lamp assemblies 3 may be located anywhere in the air flow path between the filter system 1 and the exhaust system 2 so long as the air filtered by the filter system 1 is UV sterilized before entering the exhaust system 2 for discharge. The outer contour of the fixing bracket 31 of the UV lamp assembly 3 should conform to the periphery of a certain cross section of the flow path of the air so that the air can enter the exhaust system 2 to be discharged to the outside after being sterilized by the UV lamp 32.

In some embodiments, as shown in fig. 2, 3, and 5, exhaust system 2 includes a housing 23, a duct assembly 21, and a motor 22. The air duct assembly 21 and the motor 22 are both disposed within the housing 23. The air duct assembly 21 includes a wind wheel 211 for guiding the flow of air, and the motor 22 is connected to the wind wheel 211 for driving the wind wheel 211 to rotate. The lower end of the air duct assembly 21 forms an air inlet 212, and the upper end of the air duct assembly 21 forms an air outlet 24. The filtration system 1 includes a body base 12, a screen cover 14, and a screen assembly 11. A cavity 315 for accommodating the filter screen assembly 11 is formed in the machine body base 12, and an installation opening 13 for installing the filter screen assembly 11 into the cavity 315 is formed on the peripheral side of the machine body base 12. Screen cover 14 is adapted to cover mounting port 13 to enclose screen assembly 11 within cavity 315 of body mount 12. Air inlet holes are distributed on the machine body base 12 and the filter screen cover 14. When the air purifier works, the motor 22 drives the wind wheel 211 to rotate, air enters the filter screen assembly 11 through the air inlet hole under the action of the rotating wind wheel 211, is filtered by the filter screen assembly 11 and then enters the air inlet 212, and is finally discharged from the air outlet 24 of the air duct assembly 21, so that the air circularly flows and is purified, meanwhile, when the air circularly flows, the air enters the light barrier 35 generated in the irradiation area of the UV lamp 32 at the air inlet 212 and then is sterilized, and the purification function of the air purifier is improved. Of course, the structure of the filter system 1 is not limited to the above-described case, but may be modified or changed according to actual needs. The direction of the arrows in fig. 3 indicates the direction of the air flow.

As shown in fig. 2-5, the UV lamp assembly 3 may be located at an air intake 212 of the exhaust system 2. As shown in fig. 6, the inner wall surface 312 of the air inlet 212 is provided with a locking groove 213. The outer wall 311 of the fixing bracket 31 is provided with a snap projection 34. The fixing bracket 31 is a circular ring shape adapted to the shape of the air inlet 212, the fixing bracket 31 is disposed in the air inlet 212, an outer wall surface 311 of the fixing bracket 31 is attached to an inner wall surface 312 of the air inlet 212, and the locking protrusion 34 is inserted into the locking groove 213, so that the fixing bracket 31 is stably fixed in the air inlet 212. The fixing support 31 is designed to be annular and is attached to the annular air inlet 212 in an annular mode, so that the occupied air inlet area of the air inlet 212 is reduced, and the working efficiency of the air purifier is prevented from being influenced. The number of the locking slots 213 and the locking protrusions 34 is determined according to actual requirements, as long as the fixing bracket 31 can be stably combined with the air inlet 212. For example, in the embodiment, two engaging grooves 213 and two engaging protrusions 34 are shown, and the two engaging grooves 213 are uniformly distributed on the inner wall surface 312 of the air inlet 212.

The UV lamps 32 may be uniformly distributed around the annular fixing bracket 31, that is, uniformly arranged on the air inlet 212, and present annular lateral irradiation, so that the air inlet 212 does not have a dead space to generate the light barrier 35. The light barrier 35 is shown schematically only in dotted lines, and the actual light is dense and spreads throughout the air inlet 212.

As shown in fig. 8 and 9, the lamp panel 321 of each UV lamp 32 is provided with a connection terminal 36, the connection terminals 36 of the plurality of lamp bodies 322 can be connected to the same power supply cable 37, and the power supply cable 37 is connected to a power supply source to supply power to the plurality of UV lamps 32 simultaneously.

The utility model discloses air purifier, UV banks spare 3 produces light protective screen 35 in air intake 212 department of wind channel subassembly 21, makes air cycle disinfect through light protective screen 35, and simple structure is reasonable, and the good reliability can generally use on the air purification disappears and kills type product.

The above description is intended to be illustrative, and not restrictive, and variations, modifications, substitutions, and alterations may be made to the above-described embodiments by those of ordinary skill in the art within the scope of the present disclosure. Also, the above-described examples (or one or more versions thereof) may be used in combination with each other, and it is contemplated that the embodiments may be combined with each other in various combinations or permutations.

Claims

1. An air purifier comprises a machine body, a filtering system and an exhaust system, wherein the filtering system and the exhaust system are arranged in the machine body, the air purifier is characterized by further comprising a UV lamp assembly, the UV lamp assembly is arranged between the filtering system and the exhaust system and is positioned on a flow path of air in the machine body, and light emitted by the UV lamp assembly can form a light barrier on the section of the flow path of the air.

2. The air purifier of claim 1 wherein the UV lamp assembly includes a mounting bracket defining a passageway therein for air from the filter system to enter the exhaust system and a plurality of UV lamps disposed on the mounting bracket about a circumference of the mounting bracket to flood the passageway with the light barrier formed by the UV lamps.

3. The air purifier as claimed in claim 2, wherein the fixing bracket is circumferentially provided with a plurality of cavities respectively communicated with the passages, and the plurality of UV lamps are mounted in the plurality of cavities in a one-to-one correspondence manner; the UV lamp fixing device is characterized in that a buckle is arranged on the cavity wall of the containing cavity and fastens the UV lamp in the containing cavity.

4. The air cleaner of claim 3, wherein the fixing bracket has a ring shape, and an axial direction of the ring shape coincides with a flow direction of the air; the UV lamp comprises a lamp panel and a lamp body arranged on the lamp panel; the UV lamp comprises a fixing support, a clamping buckle, a blocking platform, a positioning groove and a UV lamp, wherein the fixing support is arranged on the outer wall surface of the fixing support, the blocking platform is arranged on the wall surface of one side of the inner wall surface of the holding cavity, the blocking platform is matched with the clamping buckle to limit the positioning groove, and the UV lamp is arranged on the holding cavity and clamped into the positioning groove.

5. The air purifier as claimed in claim 4, wherein the blocking platform is formed with notches at the middle of the portions corresponding to the top wall and the bottom wall of the cavity; the buckle includes two, two the buckle respectively corresponding locate on the roof and the diapire of appearance chamber.

6. The air purifier as claimed in claim 5, wherein the top wall of the cavity has two parallel strip-shaped grooves formed from the outer wall to the inner wall, so that the top wall of the cavity close to the outer wall forms an elastic arm, and one of the clips is disposed on the elastic arm.

7. The air purifier as claimed in claim 4, wherein the lamp panel is disposed in the cavity in a manner that a panel surface is parallel to a flowing direction of air; the lamp body is vertically arranged on the board surface of one side of the lamp board, which faces the passage, so that light emitted by the lamp body can irradiate towards the flowing direction vertical to the air.

8. The air purifier as claimed in claim 3, wherein a light shielding rib is provided on an inner wall surface of the fixing bracket at a position corresponding to the accommodating chamber, and the light shielding rib shields the UV lamp from at least above.

9. The air purifier according to claim 8, wherein the shading rib has an inverted U-shaped cross section and covers a side of the cavity facing the passage.

10. The air purifier according to claim 4, wherein the exhaust system comprises an air duct assembly, an air inlet is formed at the lower end of the air duct assembly, and a clamping groove is formed on the inner wall surface of the air inlet; the outer wall surface of the fixed support is provided with a clamping protrusion, the outer wall surface of the fixed support is attached to the inner wall surface of the air inlet, and the fixed support is fixed in the air inlet in a mode that the clamping protrusion is matched with the clamping groove.