CN111841179A

CN111841179A - Air purification device, refrigerator and method for determining service life of odor purification filter element

Info

Publication number: CN111841179A
Application number: CN202010706139.3A
Authority: CN
Inventors: 周思健; 魏建; 余晓峰; 张文涛; 李玉稳
Original assignee: TCL Home Appliances Hefei Co Ltd
Current assignee: TCL Home Appliances Hefei Co Ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2020-10-30
Anticipated expiration: 2040-07-21
Also published as: CN111841179B

Abstract

The invention relates to an air purification device, a refrigerator and a method for determining the service life of a smell purification filter element. The air purification device comprises an installation body, a fan, a cover plate and a smell purification filter element; the mounting body is internally provided with an accommodating cavity, an air inlet and an air outlet; the fan is arranged in the accommodating cavity; the cover plate is movably sealed with an accommodating cavity; the odor purification filter core is positioned in the accommodating cavity and is detachably connected with the cover plate. The refrigerator comprises a refrigerator body and an air purification device. The method comprises the following steps: presetting the use time of the odor purification filter element as a first time; acquiring the service time of the fan as second time in real time; and if the ratio of the second time to the first time is greater than or equal to the preset ratio, the service life of the odor purification filter element is expired. The air purification device, the refrigerator and the method for determining the service life of the odor purification filter element improve the replacement efficiency of the odor purification filter element and the convenience of replacing the odor purification filter element, and are convenient for a user to replace the odor purification filter element in time.

Description

Air purification device, refrigerator and method for determining service life of odor purification filter element

Technical Field

The invention relates to the technical field of air purification, in particular to an air purification device, a refrigerator and a method for determining the service life of a smell purification filter element.

Background

The existing refrigerator has a relatively common sterilization and odor purification effect, and the sterilization and odor purification equipment is troublesome to replace and does not know when the sterilization and odor purification equipment is better replaced, so that the quality of indoor air in the refrigerator room is difficult to maintain in a better state, namely, the indoor healthy, sanitary and fresh storage environment in the refrigerator room is difficult to continuously maintain.

Disclosure of Invention

Therefore, it is necessary to provide an air purification device, a refrigerator and a method for determining the service life of a smell purification filter element, aiming at the problems that the sterilization and smell purification effects of the existing refrigerator are general and the quality of the indoor air in the refrigerator room is difficult to maintain in a good state and the replacement time of the equipment for sterilization and smell purification is not well determined.

An air purification device comprising:

the mounting device comprises a mounting body, a supporting frame and a mounting base, wherein the mounting body is internally provided with a containing cavity, an air inlet and an air outlet which are communicated with the containing cavity;

the fan is arranged in the accommodating cavity and used for circulating air in the accommodating cavity;

the cover plate is connected with the mounting body and movably sealed with the accommodating cavity;

the odor purification filter core is positioned in the accommodating cavity and detachably connected with the cover plate.

In one embodiment, the cover plate is detachably connected with the mounting body; or one side of the cover plate is rotatably connected with the mounting body.

In one embodiment, a clamping portion is arranged on one surface of the cover plate facing the accommodating cavity, and the odor purifying filter element is clamped with the clamping portion.

In one embodiment, the fan is disposed adjacent to the air inlet.

In one embodiment, the air purification device further comprises a sterilization component, the sterilization component comprises an ultraviolet lamp and a photocatalyst, the ultraviolet lamp and the photocatalyst are respectively arranged in the accommodating cavity, and a light emitting surface of the ultraviolet lamp faces the photocatalyst.

In one embodiment, the air purification device further includes a blocking member disposed on a sidewall of the air inlet, and partially enclosing the air inlet.

In one embodiment, the air purification device further comprises an odor sensor and a control mechanism electrically connected to each other; the control mechanism is electrically connected with the fan and used for controlling the operation of the fan.

A refrigerator comprises a box body and the air purification device in any embodiment, a chamber is arranged inside the box body, an installation body is arranged on the inner wall of the chamber, and an air inlet and an air outlet are respectively communicated with the chamber.

In one embodiment, a first mounting groove is formed in an inner wall of the compartment, the first mounting groove is communicated with the compartment, the mounting body is arranged in the first mounting groove, and the air inlet and the air outlet are respectively communicated with the first mounting groove.

In one embodiment, the refrigerator further comprises a protective cover, wherein the protective cover is connected with the inner wall of the compartment and movably seals the first mounting groove; the air inlet hole and the air outlet hole are formed in the inner wall of the first mounting groove, the air inlet hole is communicated with the first mounting groove and the chamber, and the air outlet hole is communicated with the first mounting groove and the chamber.

A method for determining the service life of a smell-removing filter element is applied to a refrigerator in any embodiment, and comprises the following steps:

presetting the use time of the odor purification filter element as a first time;

acquiring the service time of the fan as second time in real time;

and if the ratio of the second time to the first time is greater than or equal to a preset ratio, the service life of the odor purification filter element is expired.

In one embodiment, the ratio of the second time to the first time is determined and displayed in real time.

In one embodiment, if the ratio of the second time to the first time is greater than or equal to a preset ratio, an alarm is issued.

The air purifying device, the refrigerator and the method for determining the service life of the odor purifying filter element are characterized in that the air purifying device is provided with an installation body, the air inlet from the air inlet and the air outlet from the air outlet are realized by the fan arranged in the accommodating cavity, an air circulation is formed, the inside of the containing cavity is provided with a smell purification filter core, the circulating air is purified, filtered and deodorized by adsorbing bacteria, micro particles, various sulfides and the like on the surface, and by arranging a detachable cover plate, the containing cavity can be opened to replace the odor purification filter core so as to keep the odor purification effect of the air purification device, and the odor purification filter core is connected with the cover plate, so the odor purification filter core can be taken out together with the odor purification filter core when the cover plate is opened, the odor purifying filter element does not need to be taken out from the accommodating cavity after the cover plate is opened, so that the replacement efficiency of the odor purifying filter element is improved, and the replacement convenience of the odor purifying filter element is improved; air purification device's simple structure, each component integration is in the holding chamber, therefore air purification device is small, is convenient for set up in the room and do not occupy the more space in room, and air purification device can be applicable to multiple refrigerator moreover.

According to the method for determining the service life of the odor purification filter element, the service time of the fan is detected, the ratio of the service time to the longest service time of the odor purification filter element is used for indicating the service life of the odor purification filter element, and when the ratio is larger than the preset ratio, the service life of the odor purification filter element is determined to be due, so that a user can timely replace the odor purification filter element after knowing, and the continuous odor purification effect of the air odor purification device is ensured.

Drawings

FIG. 1 is a schematic structural diagram of an air purification apparatus according to an embodiment;

FIG. 2 is a cross-sectional view of an embodiment of an air purification apparatus;

FIG. 3 is an exploded view of an embodiment of an air purification apparatus;

FIG. 4 is a schematic structural diagram of a mounting body according to an embodiment;

FIG. 5 is a schematic structural diagram of a cover plate according to an embodiment;

FIG. 6 is a schematic structural diagram of a refrigerator according to an embodiment;

FIG. 7 is a schematic view of a partial structure of a refrigerator according to an embodiment;

FIG. 8 is a schematic view of a partial structure of a refrigerator according to another embodiment;

fig. 9 is a schematic flow chart illustrating a method for determining the lifetime of a deodorizing filter according to an embodiment.

Description of the drawings:

10. an air purification device; 20. a refrigerator; 30. a box body; 31. a compartment; 31a, a first mounting groove; 31b, a fastening ring; 31c, an air inlet hole; 31d, air outlet holes; 31e, a second mounting groove; 31f, air guide holes; 50. A protective cover; 60. mounting a column; 100. installing a body; 110. an accommodating cavity; 111. a limiting part; 111a, a limiting strip; 112. a fixed part; 113. a line card; 120. an air inlet; 130. an air outlet; 140. an opening; 141. A clamping groove; 150. an object blocking strip; 160. fixing the disc; 170. a cover body; 200. a fan; 210. a fan body; 220. a blade; 300. a cover plate; 310. a clamping part; 311. clamping the strips; 320. a clamping strip; 321. An elastic connection portion; 322. an abutting portion; 322a, an inclined surface; 400. a deodorizing filter element; 500. a sterilization assembly; 510. an ultraviolet lamp; 520. a photocatalyst; 600. connecting a lead; 700. a control mechanism; 710. a display screen; 800. an energy storage battery.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention can be embodied in many different forms than those herein described and one skilled in the art can make similar modifications without departing from the spirit of the invention and it is therefore not limited to the specific embodiments disclosed below.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered as limiting the invention.

Furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected through the interior of two elements or through the interaction of two elements unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "below," and "beneath" a second feature may be directly or obliquely under the first feature or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

As shown in fig. 1 to 3, an embodiment of an air purification apparatus 10 includes a mounting body 100, a blower 200, a cover plate 300, a deodorizing filter 400, and a sterilizing assembly 500; as shown in fig. 2 and 4, the installation body 100 is provided therein with an accommodating cavity 110, and an air inlet 120 and an air outlet 130 communicated with the accommodating cavity 110; the blower 200 is disposed in the accommodating chamber 110, and is used for circulating air in the accommodating chamber 110; the cover plate 300 is connected with the installation body 100 and movably seals the accommodating cavity 110; the odor purifying filter element 400 is positioned in the accommodating cavity 110 and detachably connected with the cover plate 300; the sterilization assembly 500 is disposed in the accommodating chamber 110. In this embodiment, as shown in fig. 3 and 4, the accommodating cavity 110 has an opening 140, and the cover plate 300 movably seals the opening 140.

In the air purification device 10, the air purification device 10 is provided with the installation body 100, the air is supplied from the air inlet 120 and discharged from the air outlet 130 through the fan 200 arranged in the accommodating cavity 110, an air circulation is formed, the odor purification filter element 400 is arranged in the accommodating cavity 110, the circulating air is purified, filtered and deodorized through bacteria, micro particles, various sulfides and the like adsorbed on the surface, and the sterilization component 500 is arranged in addition, so that the sterilization and odor purification effects of the air purification device 10 are improved; by arranging the detachable cover plate 300, the accommodating cavity 110 can be opened to replace the odor purifying filter element 400, so as to keep the odor purifying effect of the air purifying device 10, and because the odor purifying filter element 400 is connected with the cover plate 300, the odor purifying filter element 400 can be taken out together with the odor purifying filter element 400 when the cover plate 300 is opened, and the odor purifying filter element 400 does not need to be taken out from the accommodating cavity 110 after the cover plate 300 is opened, so that the replacement efficiency of the odor purifying filter element 400 is improved, and the replacement convenience of the odor purifying filter element 400 is improved; the odor filter cartridge 400 is removable from the opening 140. the opening 140 facilitates installation of the fan 200 and sterilization unit 500 during assembly of the air purification apparatus 10.

In one embodiment, the installation body 100 has one end provided with the air inlet 120 and the other end provided with the air outlet 130, so that the air flow can flow through the whole accommodation cavity 110, and the air circulation effect is better. In one embodiment, the end surface of one end of the mounting body 100 is provided with the air inlet 120, and the end surface of the other end is provided with the air outlet 130. In one embodiment, the opening 140 is opened at the middle of the mounting body 100, and the odor purifying filter 400 is located at the middle of the accommodating cavity 110, so that the odor purifying filter 400 is convenient to take and place.

In order to facilitate the removal of the odor purification filter element 400 from the cover plate 300, in one embodiment, as shown in fig. 5, a clamping portion 310 is disposed on one surface of the cover plate 300 facing the accommodating cavity 110, the odor purification filter element 400 is clamped with the clamping portion 310, in this embodiment, the odor purification filter element 400 is detachably clamped with the clamping portion 310, and the odor purification filter element 400 is clamped with the cover plate 300 through the clamping portion 310, so that the odor purification filter element 400 can be fixed when the odor purification filter element 400 is located in the accommodating cavity 110, and the odor purification filter element 400 can be removed after the cover plate 300 is opened. In one embodiment, as shown in fig. 5, the fastening portion 310 includes two fastening strips 311 protruding from the inner wall of the cover plate 300, the inner wall of the cover plate 300 faces the accommodating cavity 110, the two fastening strips 311 are parallel to each other, one surface of the odor purification filter element 400 is abutted to one fastening strip 311, and the other surface of the odor purification filter element 400 is abutted to the other fastening strip 311, so that the odor purification filter element 400 can be positioned and the odor purification filter element 400 can be conveniently detached by the abutting of the fastening strips 311. In one embodiment, the engaging portion 310 is an engaging groove, the engaging groove is formed on one surface of the cover plate 300 facing the accommodating cavity 110, the odor purifying filter element 400 is engaged in the engaging groove, one surface of the odor purifying filter element 400 abuts against one sidewall of the engaging groove, and the other surface abuts against the other sidewall of the engaging groove.

In order to further limit the odor purifying filter element 400 located in the accommodating cavity 110, in one embodiment, as shown in fig. 4, a limiting portion 111 is disposed on an inner wall of the accommodating cavity 110, and the limiting portion 111 cooperates with the odor purifying filter element 400 to limit the odor purifying filter element 400. Further, in one embodiment, as shown in fig. 4, the limiting portion 111 is two limiting strips 111a arranged in parallel at intervals, and the two limiting strips 111a are respectively abutted against two surfaces of the odor purifying filter element 400. In one embodiment, the accommodating cavity 110 is cylindrical, the first end of each of the limiting strips 111a is movably abutted against the first end of one of the clamping strips 311, the second end of each of the limiting strips 111a is movably abutted against the second end of one of the clamping strips 311, and when the cover plate 300 covers the opening 140, the limiting strips 111a and the clamping strips 311 form a circular limiting ring, so that the odor-purifying filter element 400 can be better limited or positioned.

In order to movably enclose the receiving cavity 110 by the cover plate 300, in one embodiment, the cover plate 300 is detachably connected to the mounting body 100; or, one side of the cover plate 300 is rotatably connected to the mounting body 100, in this embodiment, the accommodating cavity 110 has an opening 140, and the cover plate 300 movably seals the opening 140, so that the cover plate 300 is connected to the mounting body 100 and then covers the opening 140, and the accommodating cavity 110 can be sealed. In one embodiment, the cover plate 300 is rotatably coupled to the mounting body 100, so that the cover plate 300 is still coupled to the mounting body 100 without detaching the cover plate 300 to one side, thereby facilitating a filter cartridge replacement operation of the odor purifying filter cartridge 400 by a user.

In order to facilitate replacement of the filter cartridge, in one embodiment, the cover plate 300 is detachably connected to the mounting body 100, so that when the air cleaning device 10 is disposed in a compartment of a refrigerator, the cover plate 300 can be detached and taken out of the compartment, and then the odor purifying filter cartridge 400 can be replaced conveniently. Further, in one embodiment, the cover plate 300 is clamped to the mounting body 100. Specifically, in one embodiment, two ends of the cover plate 300 are respectively provided with at least one first engaging body, two end edges of the opening 140 are respectively provided with at least one second engaging body, or positions of the inner wall of the accommodating cavity 110 adjacent to the two edges of the opening 140 are respectively provided with at least one second engaging body, and the first engaging body and the second engaging body are matched with each other. In one embodiment, as shown in fig. 4 and 5, the first clamping body is a clamping strip 320, the second clamping body is a clamping groove 141, the clamping groove 141 is opened at a position of the inner wall of the accommodating cavity 110, which is adjacent to the edge of the opening 140, and the clamping strip 320 is clamped in the clamping groove 141, so that the cover plate 300 is clamped with the installation body 100. In order to facilitate the detachment and installation of the cover plate 300 on the installation body 100 and ensure the connection stability of the cover plate and the installation body, in one embodiment, as shown in fig. 5, the clamping bar 320 includes an elastic connection portion 321 and an abutting portion 322 connected to each other, one end of the elastic connection portion 321, which is far away from the abutting portion 322, is connected to the end of the cover plate 300, and the abutting portion 322 is movably clamped in the clamping groove 141, so that the elastic connection portion 321 is elastic, and the elastic connection portion 321 is pulled off so as to facilitate the abutting portion 322 to be clamped in the clamping groove 141, or to facilitate the abutting portion 322 to be separated from the clamping groove 141. In order to reduce the difficulty of mounting the cover plate 300, in one embodiment, as shown in fig. 5, the abutting portion 322 has an inclined surface 322a, the inclined surface 322a is movably connected with the edge of the opening 140 in a sliding manner until the abutting portion 322 is located in the clamping groove, because the elastic connecting portion 321 is elastic, and the abutting portion 322 has the inclined surface 322a, the abutting portion 322 is convenient to slide from the beginning to the edge of the opening 140 until finally sliding into the clamping groove 141, the difficulty of mounting the cover plate 300 on the mounting body 100 is reduced, and the mounting efficiency is improved.

In order to increase the air circulation strength in the accommodating chamber 110, in one embodiment, the fan 200 is disposed adjacent to the air inlet 120, so that the air inlet volume is larger, the air circulation strength in the accommodating chamber 110 is increased, and when the air purification apparatus 10 is located in the refrigerator compartment, the air circulation strength in the refrigerator compartment is increased, and the quality of the air in the refrigerator compartment is ensured.

In one embodiment, as shown in fig. 4, a fixing portion 112 is convexly disposed on an inner wall of the accommodating cavity 110, the blower 200 is connected to the fixing portion 112, and a gap is formed between the blower 200 and the inner wall of the accommodating cavity 110, so that the blower 200 is connected to the fixing portion 112, and the rest is suspended, which facilitates uniform circulation of air. In one embodiment, as shown in fig. 2 and 3, the blower 200 includes a blower 200 body and a plurality of blades 220, each of the blades 220 is connected to the blower 200 body, and the blower 200 body is connected to the fixing portion 112 through a bolt. In one embodiment, the number of the fixing portions 112 is multiple, and the fixing portions 112 are disposed on the inner wall of the accommodating cavity 110 at intervals. In one embodiment, two of the fixing portions 112 are disposed opposite to each other, so that the blower 200 is stably disposed.

In order to prevent foreign objects from entering the accommodating cavity 110 and affecting the operation of the air purification apparatus 10, in one embodiment, the air purification apparatus 10 further includes a blocking member disposed on a sidewall of the air inlet 120 and partially enclosing the air inlet 120, so as to block foreign objects from entering from the air inlet 120. In one embodiment, as shown in fig. 2 and 3, the blocking member includes a plurality of blocking bars 150, one end of each blocking bar 150 is connected to a sidewall of the air inlet 120, and the other end of each blocking bar 150 is connected together, so that the entry of the foreign objects from the air inlet 120 can be prevented, and the rotation of the blower 200 can be prevented from being affected, especially when the air purification apparatus 10 is disposed in the refrigerator compartment, the blocking bars 150 can block the objects in the compartment from entering the accommodating cavity 110 through the air inlet 120, and the blocking bars 150 are disposed to have a good effect of blocking the foreign objects and have a small effect on the entry of the air into the air inlet. In one embodiment, as shown in fig. 3, a fixing plate 160 is disposed in the middle of the intake vent 120, and one end of each object blocking strip 150, which is far away from the side wall of the intake vent 120, is connected to the fixing plate 160, so that the object blocking strips 150 are stably disposed. In one embodiment, the air inlet 120 is a circular opening, and along the axial direction of the air inlet 120, the center of the body of the blower 200 and the center of the fixed disk 160 are located on the same straight line, so that the base of the blower 200 does not block more air outside the fixed disk 160, thereby ensuring the flow rate and the flow rate of the air. In one embodiment, the straight line coincides with the axis of the intake vent 120. In one embodiment, a plurality of the blocking strips 150 are disposed in the air outlet 130, one end of each of the blocking strips 150 is connected to the sidewall of the air outlet 130, and the other end of each of the blocking strips 150 is connected together.

In order to make the air purification apparatus 10 dustproof, in one embodiment, the air inlet 120 and the air outlet 130 are circular openings, and an axis of the air inlet 120 is higher than an axis of the air outlet 130, that is, when the air purification apparatus 10 is disposed at a target position, the air inlet 120 is higher than the air outlet 130, which is beneficial for dust prevention and dust exhaust.

In order to make the sterilization assembly 500 have a better sterilization effect, in one embodiment, as shown in fig. 2 and 3, the sterilization assembly 500 includes an ultraviolet lamp 510 and a photocatalyst 520, the ultraviolet lamp 510 and the photocatalyst 520 are respectively disposed in the accommodating chamber 110, and a light emitting surface of the ultraviolet lamp 510 faces the photocatalyst 520. Because the ultraviolet lamp 510 and the photocatalyst 520 are arranged, the ultraviolet lamp 510 and the photocatalyst 520 can play a role in double sterilization, after bacteria absorb ultraviolet rays, DNA chains are broken, the cross-linking of nucleic acid and protein is broken, the biological activity of the nucleic acid is killed, and the bacteria die; the photocatalyst 520 absorbs the ultraviolet irradiation light energy to excite and generate electron-hole pairs, namely active free hydroxyl groups (. OH) and active oxygen atoms (. O), when pollutants and bacteria adsorb the surfaces of the pollutants and the bacteria, chain type degradation reaction occurs, and the bacteria die; therefore, the sterilization and odor purification effects of the air purification device 10 are greatly improved; further, since the ultraviolet lamp 510 is provided, the photocatalyst 520 can function without adding an active catalyst. In one of them embodiment, ultraviolet lamp 510 is the ultraviolet lamp plate, the ultraviolet lamp plate includes the plate body and a plurality of lamp pearl, the lamp pearl set up in the orientation of plate body the one side of photocatalyst 520 makes photocatalyst 520 can absorb more ultraviolet lights like this, has strengthened photocatalyst 520's reaction. In one embodiment, the ultraviolet lamp 510 is disposed adjacent to the photocatalyst 520 at an interval, and the light emitting surface of the ultraviolet lamp 510 is adjacent to and faces the photocatalyst 520, so that the light emitted from the light emitting surface of the ultraviolet lamp 510 irradiates the photocatalyst 520. In order to better sterilize and purify the smell, in one embodiment, the direction from the air inlet 120 to the air outlet 130, the smell purifying filter element 400, the photocatalyst 520 and the ultraviolet lamp 510 are sequentially arranged at intervals, so that the air entering the accommodating cavity 110 through the air inlet 120 is sequentially filtered and sterilized, and then is discharged through the air outlet 130, for example, into a compartment of a refrigerator, so that the air purifying device 10 has better sterilizing and smell purifying effects. In one embodiment, the uv lamp 510 is disposed adjacent to the outlet 130.

In order to facilitate the assembly of the air purification apparatus 10, in one embodiment, as shown in fig. 2 and fig. 3, two ends of the installation body 100 are respectively provided with a detachable cover 170, two ends of the receiving cavity 110 are respectively provided with an installation opening penetrating through the installation body 100, each cover 170 is used for movably sealing one installation opening, so that the cover 170 can be opened from the end, and the blower 200 and the sterilization assembly 500 can be conveniently installed or detached. In one embodiment, the two ends of the mounting body 100 are respectively provided with external threads, the inner side wall of the cover 170 is provided with internal threads, and the internal threads of each cover 170 are matched with the external threads of one end of the mounting body 100, so that the cover 170 can be conveniently detached. In one embodiment, the two ends of the mounting body 100 are respectively provided with at least one engaging portion, each cover 170 is provided with a corresponding engaging slot, and the engaging portions are engaged with the engaging slots, so as to facilitate the detachment of the cover 170. In one embodiment, two ends of the mounting body 100 are respectively provided with at least one engaging groove, and each cover 170 is provided with a corresponding engaging portion, which is matched with the engaging groove, so as to facilitate the detachment of the cover 170. In one embodiment, the air inlet 120 is disposed on one of the covers 170, and the air outlet 130 is disposed on the other cover 170.

In order to energize the fan 200, in one embodiment, as shown in fig. 2 to 4, the air purifying device 10 further includes a connecting wire 600, a first end of the connecting wire 600 is electrically connected to the fan 200, and a second end of the connecting wire 600 is electrically connected to an external power source, so that the fan 200 can be energized to operate the fan 200. In order to enable both the blower 200 and the ultraviolet lamp 510 to be connected to an external power source, in one embodiment, the first end of the connection wire 600 includes a first sub connection terminal and a second sub connection terminal, the first sub connection terminal is electrically connected to the blower 200, and the second sub connection terminal is electrically connected to the ultraviolet lamp 510, so that the blower 200 and the ultraviolet lamp are respectively connected to the external power source through the connection wire 600. In one embodiment, a threading hole is formed in one of the fixing plates 160, and the connecting wire 600 passes through the threading hole and is connected to the external power source, thereby facilitating threading. In one embodiment, the inner wall of the accommodating chamber 110 is provided with a plurality of line cards 113, the line cards 113 are provided with threading openings, and the connecting wires 600 sequentially pass through the threading openings, so that the connecting wires 600 are arranged along the inner wall of the accommodating chamber 110, and thus the connecting wires 600 are not influenced by air flow, and the stability of the power supply of the fan 200 and the ultraviolet lamp 510 is ensured.

In order to detect the air quality around the air purification apparatus 10 so as to control the operation of the blower 200 in real time, in one embodiment, as shown in fig. 6 and 7, the air purification apparatus 10 further includes an odor sensor and a control mechanism 700 electrically connected to each other; the control mechanism 700 is electrically connected to the blower 200 and configured to control the blower 200 to operate, in this embodiment, the control mechanism 700 is configured to control the blower 200 to turn on, turn off, or operate at a certain rotation speed. In the present embodiment, the odor sensor is used to detect the air quality around the air purification apparatus 10, when the air purification apparatus 10 is provided in a refrigerator compartment, the odor sensor is used to detect the quality of air within the compartment, the odor sensor generates detection information and transmits the detection information to the control mechanism 700, the control mechanism 700 determines the air quality in the compartment according to the detection information, further controlling the fan 200 to be turned on and off, and when the air quality in the compartment is poor, controlling the fan 200 to be turned on, in one embodiment, the control mechanism 700 controls the fan 200 to operate at a first speed when the air quality in the compartment is poor, and in this embodiment, the first rotation speed is a higher rotation speed of the fan 200, so that air in the compartment can be purified faster; when the air quality in the room is good, the fan 200 is controlled to be turned off, or the fan 200 is controlled to operate at the second rotating speed, in this embodiment, the second rotating speed is the lower rotating speed of the fan 200, so that the working state of the air purification device 10 can be intelligently adjusted, and energy is saved. In one embodiment, the control mechanism 700 is further electrically connected to the ultraviolet lamp 510 for controlling the turning on and off of the ultraviolet lamp 510.

In order to display the air quality of the installation environment of the air purification apparatus 10, in one embodiment, as shown in fig. 6 and 7, the control mechanism 700 includes a controller and a display screen 710 which are electrically connected, the odor sensor is electrically connected to the display screen 710 and the controller respectively, the controller is electrically connected to the blower 200, the display screen 710 is used for displaying the air quality detected by the odor sensor, so that the detection information generated by the odor sensor detecting the air quality is transmitted to the display screen 710 to be displayed on the display screen 710, so that the user can clearly know the air quality of the installation environment of the air purification apparatus 10 by viewing the data on the display screen 710 and can also know the plastic suction filtering quality of the odor purifying filter 400. In order to display the working status of the air purification apparatus 10, in one embodiment, the display screen 710 is further electrically connected to the blower 200 and/or the ultraviolet lamp 510 for displaying the working status of the blower 200 and/or the ultraviolet lamp 510, so that the working status of the air purification apparatus 10 can also be displayed on the display screen 710 for the user to see.

In order to facilitate the user to check and know the service life of the odor purification filter 400, so as to replace the odor purification filter 400 in time, in one embodiment, the control mechanism 700 further includes a calculator, an input end of the calculator is electrically connected to the blower 200, an output end of the calculator is electrically connected to the display screen 710, the calculator is used for calculating the service life of the blower 200, so as to determine the service life of the odor purification filter 400, and feeding back the service life to the display screen 710, so that the service life of the odor purification filter 400 can be displayed on the display screen 710, and the user can replace the new odor purification filter 400 in time according to the service life of the odor purification filter 400.

In order to timely notify the user of the replacement when the service life of the odor purification cartridge 400 expires or is about to expire, in one embodiment, the air purification apparatus 10 further includes an alarm electrically connected to the controller, the controller is electrically connected to the alarm, when the service life of the odor purification cartridge 400 is calculated by the calculator, a signal is output to the controller, the controller performs judgment, and when the service life of the odor purification cartridge 400 expires, the controller controls the alarm to remind the user.

In order to ensure that the air purification apparatus 10 can continue to work under the condition that the external power source is powered off, in one embodiment, as shown in fig. 2 and 3, the air purification apparatus 10 further includes an energy storage battery 800, the energy storage battery 800 is connected to the second end of the connection wire 600, and the two sub-connection ends of the connection wire 600 are respectively connected to the blower 200 and the ultraviolet lamp 510, so that the energy storage battery 800 can be powered on under the condition that the external power source is powered off, and the air purification apparatus 10 can continuously sterilize and purify the odor. In order to facilitate the start and stop of the energy storage battery 800, in one embodiment, the air purification apparatus 10 further includes a switch electrically connected to the energy storage battery 800, and the switch is configured to control the start and stop of the energy storage battery 800, in this embodiment, the energy storage battery 800 is electrically connected to the first end of the connection wire 600 through the switch, when the external power supply is powered off, the switch is turned on to electrically connect the energy storage battery 800 to the connection wire 600, that is, to energize the fan 200 and the ultraviolet lamp 510, and when the external power supply is not powered off, the switch is turned off to energize the fan 200 and the ultraviolet lamp 510 through the energy storage battery 800. In one embodiment, the switch is disposed on the fixed disk 160. In one embodiment, the switch is a push button switch.

As shown in fig. 6, a refrigerator includes a compartment 31 and the air purification apparatus 10 of any of the above embodiments, the compartment 31 has a compartment therein, the installation body 100 is disposed on an inner wall of the compartment, and the air inlet 120 and the air outlet 130 are respectively communicated with the compartment.

The refrigerator comprises an air purification device 10 arranged in a room between the air purification device and the refrigerator, wherein the air purification device 10 is provided with an installation body 100, air is fed from an air inlet 120 and discharged from an air outlet 130 through a fan 200 arranged in an accommodating cavity 110 of the air purification device to form air circulation, a smell purification filter element 400 is arranged in the accommodating cavity 110, circulating air is purified, filtered and deodorized through bacteria, tiny particles, various sulfides and the like adsorbed on the surface, in addition, a sterilization component 500 is arranged, and the sterilization and smell purification effects of the air purification device 10 are improved; by arranging the detachable cover plate 300, the accommodating cavity 110 can be opened to replace the odor purifying filter element 400, so as to keep the odor purifying effect of the air purifying device 10, and as the odor purifying filter element 400 is connected with the cover plate 300, the odor purifying filter element 400 can be taken out together with the odor purifying filter element 400 when the cover plate 300 is opened, and the odor purifying filter element 400 does not need to be taken out from the accommodating cavity 110 after the cover plate 300 is opened, so that the replacement efficiency of the odor purifying filter element 400 is improved, and the replacement convenience of the odor purifying filter element 400 is improved; the air purification device 10 has a simple structure, and each element is integrated in the accommodating cavity 110, so that the air purification device 10 has a small volume, is convenient to be arranged in a compartment and does not occupy more space of the compartment, and the air purification device 10 can be applied to various refrigerators.

In order to facilitate the replacement of the air purification apparatus 10, in one embodiment, the mounting body is detachably disposed on the inner wall of the compartment, and since the air purification apparatus 10 is detachably disposed on the inner wall of the refrigerator compartment, the air purification apparatus 10 is easily taken out for replacement.

In order to more accurately detect the air quality in the compartment, in one embodiment, the number of the odor sensors is multiple, and the odor sensors are arranged in the compartment, so that the air quality in the compartment can be accurately detected, and accurate air quality data can be obtained. In one embodiment, at least one of the odor sensors is located at a top of the compartment and at least one of the odor sensors is located at a bottom of the compartment. In one embodiment, each inner wall of the compartment is provided with at least one of the odour sensors, which allows a more accurate detection of the air quality in the compartment.

In order to facilitate the installation of the air purification apparatus 10 on the inner wall of the compartment, in one embodiment, as shown in fig. 7 and 8, a first installation groove 31a is formed on the inner wall of the compartment, the first installation groove 31a is communicated with the compartment, the installation body 100 is arranged in the first installation groove 31a, the air inlet 120 and the air outlet 130 are respectively communicated with the first installation groove 31a, and the air purification apparatus 10 is arranged in the installation groove through the installation body 100, so that the installation of the air purification apparatus 10 is facilitated, and the space of the compartment is not occupied. In one embodiment, the mounting body 100 is detachably disposed in the first mounting groove 31a, so that the air cleaning device 10 can be easily taken out for replacement.

To facilitate the installation of the air cleaning device 10, in one embodiment, the installation body 100 is cylindrical, so that the air cleaning device 10 can be conveniently installed in the first installation groove 31a, and the installation position and orientation of the air cleaning device 10 can be conveniently adjusted. In one embodiment, the receiving cavity 110 is cylindrical in shape. In one embodiment, the mounting body 100 is fitted into the first mounting groove 31 a.

In one embodiment, as shown in fig. 7, the inner wall of the first mounting groove 31a is provided with a fastening ring 31b, the fastening ring 31b has a break, and the mounting body 100 passes through the break and is sleeved in the fastening ring 31b, such that the mounting body 100 can be detachably fixed in the first mounting groove 31a by the fastening ring 31 b. In one embodiment, the fastening ring 31b is an elastic ring, and one end of the fastening ring 31b is a free end, so that the free end of the fastening ring 31b can be pulled to facilitate the installation and the removal of the air cleaning device 10.

In one embodiment, the cover plate 300 is entirely located in the opening 140, i.e., the outer surface of the cover plate 300 does not protrude from the outer surface of the mounting body 100, so that the mounting body 100 can be better fitted in the fastening ring 31b and can be moved or rotated to adjust the position without being affected by the cover plate 300.

In one embodiment, as shown in fig. 7 and 8, the refrigerator further includes a protection cover 50, wherein the protection cover 50 is connected to an inner wall of the compartment and movably seals the first installation groove 31 a; the inner wall of the first mounting groove 31a is provided with an air inlet hole 31c and an air outlet hole 31d, the air inlet hole 31c is communicated with the first mounting groove 31a and the compartment, the air outlet hole 31d is communicated with the first mounting groove 31a and the compartment, the protective cover 50 is used for sealing the first mounting groove 31a, so that the air purification device 10 can be prevented from being separated out, and articles in the compartment can be prevented from entering the first mounting groove 31 a. In one embodiment, the protection cover 50 is rotatably connected to the inner wall of the compartment and movably encloses the first installation groove 31 a. In one embodiment, the protective cover 50 is clamped to the inner wall of the compartment, and movably seals the first mounting groove 31 a.

In one embodiment, the display device is disposed on the compartment 31. In one embodiment, the display device is disposed on an inner wall of the compartment, which facilitates electrical connection of the display device to the blower 200 of the air purification apparatus 10 and to the odor sensor disposed in the compartment. In one embodiment, as shown in fig. 8, the inner wall of the compartment is provided with a second installation groove 31e, the display device is disposed in the second installation groove 31e, and the protection cover 50 movably seals the second installation groove 31e, so that the protection cover 50 seals the second installation groove 31e, and the display screen 710 of the display device can be prevented from being affected by moisture condensation to view data of a user. In one embodiment, the second mounting groove 31e is disposed adjacent to the first mounting groove 31a, so that the protective cover 50 can simultaneously seal the first mounting groove 31a and the second mounting groove 31e, and the material consumption of the protective cover 50 is reduced.

In one embodiment, as shown in fig. 7 and 8, one end of the air inlet hole 31c penetrates through an inner wall of the first installation groove 31a, the other end penetrates through an inner wall of the second installation groove 31e, an air guide hole 31f is formed in the other opposite inner wall of the second installation groove 31e, one end of the air guide hole 31f is communicated with the second installation groove 31e, and the other end is communicated with the compartment, that is, the air inlet hole 31c is communicated with the compartment through the second installation groove 31e and the air guide hole 31 f. In one embodiment, the mounting column 60 is convexly disposed on the inner wall of the compartment, the mounting column 60 is disposed with the first mounting groove 31a and the second mounting groove 31e, one end of the mounting column 60 is disposed with the air guiding hole 31f, and the other end of the mounting column 60 is disposed with the air outlet hole 31d, when the air purifying device 10 works, the air in the compartment enters the accommodating cavity 110 through the air guiding hole 31f, the second mounting groove 31e, the air inlet hole 31c, and the air inlet 120, and after sterilization and odor purification, the dry and clean air is discharged into the compartment through the air outlet 130 and the air outlet hole 31d, and thus the air quality in the compartment is gradually improved. In one embodiment, the mounting post 60 is triangular prism-shaped, two adjacent side surfaces of the mounting post 60 are respectively connected with two adjacent inner walls of the compartment, the third side surface of the mounting post 60 is provided with the first mounting groove 31a and the second mounting groove 31e, and the third side surface of the mounting post 60 faces the opening 140 of the compartment, so that the air purification device 10 is more conveniently arranged, the odor purifying filter element 400 is more conveniently replaced by a user, and the display screen 710 is conveniently viewed by the user. In one embodiment, the protection cover 50 is connected to the mounting post 60 and movably encloses the first mounting groove 31a and the second mounting groove 31 e. In one embodiment, blocking nets are respectively disposed in the air guiding hole 31f and the air outlet hole 31d, and the blocking nets are used for blocking articles in the compartment from entering the first installation groove 31a and the second installation groove 31 e.

In one embodiment, a method for determining the service life of a smell purification filter element is applied to the refrigerator in any one of the above embodiments, and the method comprises the following steps: presetting the use time of the odor purification filter element as a first time; acquiring the service time of the fan as second time in real time; and if the ratio of the second time to the first time is greater than or equal to a preset ratio, the service life of the odor purification filter element is expired.

As shown in fig. 9, a method for determining a service life of a smell purification filter element according to an embodiment is applied to a refrigerator according to any of the embodiments, and includes the following steps:

step 910, presetting the service time of the odor purifying filter element 400 as a first time.

The usable time of the odor filter cartridge 400 is first determined.

And 920, acquiring the service time of the fan 200 as a second time in real time.

The use time of the blower 200, i.e., the second time, is calculated by the calculator.

In one embodiment, this step is followed by determining a ratio of the second time to the first time, and displaying in real time, wherein the ratio of the second time to the first time is calculated by the calculator.

Step 930, if the ratio of the second time to the first time is greater than or equal to a predetermined ratio, the service life of the odor purifying filter element 400 is expired.

The ratio of the second time to the first time is determined, if the ratio is greater than or equal to the preset ratio, the service time of the odor purification filter element 400 reaches a certain degree, that is, the service life of the odor purification filter element 400 expires and needs to be replaced, wherein the ratio of the second time to the first time to the preset ratio is determined by the controller, and the preset ratio is a fixed value and is used for comparing the ratio of the second time to the first time. In one embodiment, the predetermined ratio is 1, that is, the second time period of the blower 200 operation exceeds the first time period of the predetermined value, which indicates that the service life of the odor purifying filter 400 is expired.

In the method for determining the service life of the odor purification filter element 400, the service life of the odor purification filter element 400 is indicated by detecting the service time of the fan 200 and forming a ratio with the longest service time of the odor purification filter element 400, and when the ratio is greater than a preset ratio, the service life of the odor purification filter element 400 is determined to be due, so that a user can replace the odor purification filter element 400 in time after knowing the service life of the odor purification filter element 400, and the continuous odor purification effect of the air odor purification device is ensured.

In one embodiment, if the ratio of the second time to the first time is greater than or equal to the predetermined ratio, an alarm is issued, so that the user can be informed in time, so that the user can replace the odor purifying filter 400 in time, and the sterilization and odor purification effects of the air purification apparatus 10 on the air in the refrigerator compartment can be continuously maintained.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An air purification apparatus, comprising:

the mounting device comprises a mounting body, a first fixing part and a second fixing part, wherein the mounting body is internally provided with an accommodating cavity, and an air inlet and an air outlet which are communicated with the accommodating cavity;

2. The air purification apparatus of claim 1, wherein the cover plate is detachably connected to the mounting body; or one side of the cover plate is rotatably connected with the mounting body.

3. The air purification device of claim 1, wherein a clamping portion is arranged on one surface of the cover plate facing the accommodating cavity, and the odor purification filter element is clamped with the clamping portion.

4. The air purification apparatus of claim 1, wherein the fan is disposed adjacent to the air inlet.

5. The air purification device according to claim 1, further comprising a sterilization component, wherein the sterilization component comprises an ultraviolet lamp and a photocatalyst, the ultraviolet lamp and the photocatalyst are respectively disposed in the accommodating chamber, and a light emitting surface of the ultraviolet lamp faces the photocatalyst.

6. The air purification device of claim 1, further comprising a blocking member disposed on a sidewall of the air inlet and partially enclosing the air inlet.

7. The air purification apparatus according to any one of claims 1 to 6, further comprising an odor sensor and a control mechanism electrically connected to each other; the control mechanism is electrically connected with the fan and used for controlling the operation of the fan.

8. A refrigerator, comprising a cabinet and the air purification apparatus of any one of claims 1 to 7, wherein the cabinet has a compartment therein, the installation body is disposed on an inner wall of the compartment, and the air inlet and the air outlet are respectively communicated with the compartment.

9. The refrigerator as claimed in claim 8, wherein the compartment has a first mounting groove formed in an inner wall thereof, the first mounting groove is communicated with the compartment, the mounting body is disposed in the first mounting groove, and the air inlet and the air outlet are respectively communicated with the first mounting groove.

10. The refrigerator according to claim 8, further comprising a protective cover connected to an inner wall of the compartment and movably enclosing the first mounting groove; the air inlet hole and the air outlet hole are formed in the inner wall of the first mounting groove, the air inlet hole is communicated with the first mounting groove and the chamber, and the air outlet hole is communicated with the first mounting groove and the chamber.

11. A method for determining the service life of an odor-purifying filter cartridge, which is applied to the refrigerator of any one of claims 8 to 10, the method comprising the steps of:

acquiring the service time of the fan as second time in real time;

12. The method of claim 11, wherein the ratio of the second time to the first time is determined and displayed in real time.

13. The odor purifying filter cartridge life span determining method of claim 11, wherein an alarm is issued if the ratio of the second time to the first time is greater than or equal to a preset ratio.