CN114183843A

CN114183843A - Air treatment device, air conditioner indoor unit and air conditioner

Info

Publication number: CN114183843A
Application number: CN202010970985.6A
Authority: CN
Inventors: 陈志航; 汪先送; 陈良锐; 覃强; 张滔; 毛先友; 周何杰
Original assignee: Midea Group Co Ltd; GD Midea Air Conditioning Equipment Co Ltd
Current assignee: Midea Group Co Ltd; GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2022-03-15

Abstract

The invention discloses an air treatment device, an air conditioner indoor unit and an air conditioner, wherein the air treatment device comprises a shell, a fan, a first purification assembly and a second purification assembly; the shell is provided with an air inlet, an air outlet and an air channel communicated with the air inlet and the air outlet; the fan is arranged in the air duct; the first purification assembly is arranged in the air duct and is positioned on the air inlet side of the fan; the second purification assembly is arranged in the air duct and is positioned on the air outlet side of the fan; wherein, at least one of first purification subassembly and the second purification subassembly includes at least two purification modules that set gradually along the air-out direction in wind channel. The air treatment device is beneficial to improving the efficiency and the air quantity of the fan, and can greatly improve the purification effect of the air treatment device, thereby meeting the use requirements of users with different purification functions.

Description

Air treatment device, air conditioner indoor unit and air conditioner

Technical Field

The invention relates to the technical field of air conditioning, in particular to an air treatment device, an air conditioner indoor unit and an air conditioner.

Background

With the gradual rise of health consciousness of consumers, the air conditioner with health function has become a development direction of high-end products at present. However, the air conditioner with the health function in the current market generally only adopts a HEPA network to filter air, and the air conditioner is single in purification function and cannot meet the requirements of multiple purification functions.

The above is only for the purpose of assisting understanding of the technical solutions of the present invention, and does not represent an admission that the above is the prior art.

Disclosure of Invention

The invention mainly aims to provide an air treatment device, and aims to solve the technical problem that the air treatment device is single in purification function.

In order to achieve the purpose, the air treatment device provided by the invention comprises a shell, a fan, a first purification component and a second purification component;

the shell is provided with an air inlet, an air outlet and an air channel communicated with the air inlet and the air outlet;

the fan is arranged in the air duct;

the first purification assembly is arranged in the air duct and is positioned on the air inlet side of the fan;

the second purification assembly is arranged in the air duct and is positioned on the air outlet side of the fan;

at least one of the first purification assembly and the second purification assembly comprises at least two purification modules which are sequentially arranged along the air outlet direction of the air duct.

In an embodiment, the second purifying assembly includes a first purifying module and a second purifying module, which are stacked, the first purifying module is a filtering module, the second purifying module is a plasma net, and the filtering module is located at a downstream of the plasma net in an air outlet direction of the air duct.

In one embodiment, the filtration module comprises one or more of a HEPA mesh, a gaseous pollutant filter mesh, an activated carbon mesh.

In one embodiment, a mounting groove is formed in the housing, the mounting groove has an opening formed in the housing, and the purification module is mounted in the mounting groove in a drawable manner through the opening.

In one embodiment, the housing has a rear wall surface and side wall surfaces connected to both sides of the rear wall surface, and the opening is opened at a front side or the side wall surfaces of the housing.

In one embodiment, the fan is a double-suction centrifugal fan, the double-suction centrifugal fan has two air inlet ends, and the air inlet is communicated with the two air inlet ends.

In an embodiment, the first purifying assembly is arranged between the two air inlet ends of the double-suction centrifugal fan and the shell.

In one embodiment, the air inlet is communicated with the outside, the shell is further provided with an indoor air inlet communicated with the inside of the room, and the indoor air inlet is communicated with the air inlet end of the air duct.

In an embodiment, the first purifying assembly and the second purifying assembly are distributed on the upper side and the lower side of the fan, the indoor air inlet is located on a side of the first purifying assembly facing away from the fan, the air outlet is located on a side of the second purifying assembly facing away from the fan, and the air inlet is located between the first purifying assembly and the second purifying assembly.

In one embodiment, the air treatment device has a fresh air mode and an indoor purification mode;

when the air processing device is in a fresh air mode, the fan is used for driving outdoor airflow to enter the air channel from the air inlet, and the outdoor airflow is blown out from the air outlet after flowing through the second purification assembly;

when the air treatment device is in an indoor purification mode, the fan is used for driving indoor airflow to enter the air channel from the indoor air inlet, and the indoor airflow sequentially flows through the first purification assembly and the second purification assembly and then is blown out from the air outlet.

In an embodiment, the first purification assembly comprises at least two purification modules which are stacked along the air inlet direction of the indoor air inlet, the second purification assembly comprises an annular filter screen, the annular filter screen is communicated with the air outlet end of the fan, and the air outlet corresponds to the side wall surface of the annular filter screen.

In an embodiment, the air outlet is disposed at an upper portion of the housing, the air inlet is disposed at a lower portion of the housing, the second purifying assembly is disposed above the fan and is disposed along a horizontal direction, and the first purifying assembly is disposed at a side end of the fan and is disposed along a vertical direction.

In one embodiment, the first purification component comprises one or more of a primary filter screen, a HEPA screen, a plasma screen, a gaseous pollutant filter screen, an activated carbon screen; and/or the second purification component comprises one or more of a primary filter screen, a HEPA screen, a plasma screen, a gaseous pollutant filter screen and an activated carbon screen.

In one embodiment, the fan comprises a fresh air fan and an exhaust fan, an exhaust air duct is defined in the housing, the fresh air fan is installed in the air duct and is used for introducing fresh outdoor air into the room through the air duct, and the exhaust fan is installed in the exhaust air duct and is used for exhausting dirty indoor air to the outside through the exhaust air duct; or the like, or, alternatively,

the fan comprises a fresh air fan, and the fresh air fan is used for driving outdoor airflow to flow into the air duct from the air inlet and blow out from the air outlet; and the air inlet is used for driving indoor airflow to flow into the air duct and blow out from the air inlet.

The invention also provides an air conditioner indoor unit, which comprises a casing and an air treatment device arranged in the casing;

the air treatment device comprises a shell, a fan, a first purification component and a second purification component;

the fan is arranged in the air duct;

The invention also provides an air conditioner, which comprises an air conditioner outdoor unit and an air conditioner indoor unit, wherein the air conditioner indoor unit comprises a machine shell and an air treatment device arranged in the machine shell;

the fan is arranged in the air duct;

According to the air treatment device, the first purification component is arranged on the air inlet side of the fan, and the second purification component is arranged on the air outlet side of the fan, so that compared with the case that the purification components are arranged on the same side of the fan, the resistance on the two sides of the fan is equivalent, and the efficiency and the air quantity of the fan are improved. Simultaneously, make at least one of first purification subassembly and the second purification subassembly include at least two purification module that set gradually along the air-out direction in wind channel for the air current through in the wind channel blows out after heavily purifying, satisfies the demand of cleanliness factor, then can greatly promote air treatment unit's purifying effect, and the user can also make up different purification module according to the user demand in addition, thereby can satisfy the user demand of the different purification performance of user.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of a first embodiment of an air treatment device according to the present invention;

FIG. 2 is a left side view of the air treatment device of FIG. 1;

FIG. 3 is a schematic structural view of a second embodiment of an air treatment device according to the present invention;

FIG. 4 is a schematic front view of the air treatment device of FIG. 3;

FIG. 5 is a schematic structural view of a third embodiment of an air treatment device according to the present invention;

FIG. 6 is a schematic cross-sectional view of the air treatment device of FIG. 5;

FIG. 7 is a schematic structural view of a fourth embodiment of an air treatment device according to the present invention;

FIG. 8 is a schematic front view of the air treatment device of FIG. 7;

FIG. 9 is a schematic cross-sectional view of the air treatment device of FIG. 7;

FIG. 10 is a schematic structural view of a fifth embodiment of an air treatment device according to the present invention;

FIG. 11 is a schematic view of the air treatment device of FIG. 10 from another angle;

FIG. 12 is a schematic structural view of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 13 is a schematic view of the air conditioning indoor unit of fig. 12 at another angle;

fig. 14 is a partially exploded view of the air conditioning indoor unit of fig. 12;

fig. 15 is a schematic sectional view of the air conditioning indoor unit of fig. 12.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)	Reference numerals	Name (R)
						100	Air treatment device	116	Rear wall surface	143	Ring-shaped filter screen
110	Shell body	117	Side wall surface	150	Purification module
						111	Fresh air inlet	120	Fan blower	200	Casing (CN)
112	Air outlet	130	First purifying assembly	210	Fresh air inlet of casing
						113	Air duct	140	Second purifying component	220	Air outlet of machine shell
114	Mounting groove	141	Filtering module	230	Indoor air inlet of casing
						115	Indoor wind inlet	142	Plasma screen

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

It should be noted that if the description of "first", "second", etc. is provided in the embodiment of the present invention, the description of "first", "second", etc. is only for descriptive purposes and is not to be construed as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B" including either scheme A, or scheme B, or a scheme in which both A and B are satisfied.

The invention provides an air treatment device which can be used independently or used in equipment such as an air conditioner, a purifier, an air machine and the like, wherein the air conditioner can be a split type air conditioner, such as a floor type air conditioner and a wall-mounted air conditioner, or an integrated type air conditioner, such as a window air conditioner, a mobile air conditioner and the like, and the air treatment device is mainly used for improving the quality of air, such as replacing indoor air, increasing air humidity, increasing air cleanliness and the like.

In an embodiment of the present invention, as shown in fig. 1 to 8, the air treatment device 100 includes a housing 110, a blower 120, a first purification assembly 130, and a second purification assembly 140. The housing 110 has an air inlet, an air outlet 112 and an air duct 113 communicating the air inlet and the air outlet 112, and the fan 120 is installed in the air duct 113. The first purifying assembly 130 is installed in the air duct 113 and is located on the air inlet side of the fan 120; the second purifying assembly 140 is installed in the air duct 113 and located at the air outlet side of the fan 120. At least one of the first purifying assembly 130 and the second purifying assembly 140 includes at least two purifying modules 150 sequentially arranged along the air outlet direction of the air duct 113.

In the present embodiment, the entire housing 110 may have a square, rectangular, cylindrical, irregular shape, or the like. The air duct 113 may be formed by the entire inner cavity of the housing 110. The air inlet and the air outlet 112 are generally disposed on different sides of the housing 110, and the air inlet is generally disposed on the rear side of the housing 110 to ensure the appearance of the air treatment device 100. The air outlet 112 may be disposed on the left and right sides of the housing 110, or on the top wall surface or the front side surface of the housing 110, and the specific disposing position of the air outlet 112 may be selected and designed according to the actual use requirement, which is not limited herein. The number of the air outlets 112 is at least one, and the number of the air outlets 112 may be selected according to requirements, for example, one, two, or three. The air outlet 112 of the casing 110 is provided with a guiding sealing structure, and is in sealing fit with a casing air outlet 220 arranged on a casing 200 of the indoor unit of the air conditioner through the guiding sealing structure. The shape of the air inlet and the air outlet 112 can be selected according to actual requirements, and may be, for example, circular, rectangular, or elongated. The air inlet may specifically include a fresh air inlet 111 and/or an indoor air inlet 115.

The first and

second cleaning assemblies

130 and 140 may be fixedly mounted on the housing 110, or may be detachably mounted on the housing 110, so that the first and

second cleaning assemblies

130 and 140 are usually detachably mounted on the housing 110 for easy replacement and cleaning. It should be noted that, the first purification assembly 130 is disposed on the air inlet side of the fan 120, and thus can be disposed not only at the position corresponding to the air inlet end of the fan 120, but also at other positions, and only the first purification assembly 130 is disposed on the air inlet flow path of the fan 120. And the air inlet flow path of the fan 120 is not limited to a fresh air inlet flow path, and in some embodiments, may also be an indoor return air flow path. Thus, the fan 120 sucks the airflow into the air duct 113, and the airflow passes through the first purifying assembly 130 to be purified, then flows into the fan 120, and finally is blown out from the air outlet 112. The second purifying assembly 140 is disposed at the air outlet side of the fan 120, and not only can be disposed at a position corresponding to the air outlet end of the fan 120, but also can be disposed at other positions, and only the second purifying assembly 140 needs to be disposed on the air outlet flow path of the fan 120. Thus, the fan 120 sucks the airflow into the air duct 113, and the airflow can flow through the first purifying assembly 130 to be purified, then flows into the fan 120, then flows through the second purifying assembly 140 to be purified for the second time, and finally is blown out from the air outlet 112. Therefore, outdoor fresh air or indoor return air is purified heavily, and the purification effect of the air treatment device 100 is improved.

In one embodiment, the first purification component 130 includes one or more of a primary filter, a HEPA filter, a plasma filter 142, a gaseous pollutant filter, a photocatalyst filter, and an activated carbon filter. In another embodiment, the second purification component 140 includes one or more of a primary filter, a HEPA filter, a plasma filter 142, a gaseous pollutant filter, a photocatalyst filter, and an activated carbon filter. The filter screen may specifically be a HAF filter screen. The gaseous pollutant filter screen can be a formaldehyde filter screen and a VOC (volatile organic compounds) removing filter screen, and the formaldehyde filter screen can be a manganese dioxide catalytic formaldehyde removing screen. Of course, in other embodiments, the first purification assembly 130 can further include an electrostatic precipitation module and/or an anion module, and the second purification assembly 140 can further include an electrostatic precipitation module and/or an anion module. The electrostatic dust collection module may be an IFD module or other form of electrostatic dust collection module. The first purification assembly 130 and/or the second purification assembly 140 include at least two purification modules 150 sequentially arranged along the air outlet direction of the air duct 113, so that the airflow blown out from the air outlet 112 is purified and filtered by the at least two purification modules 150, thereby improving the purification efficiency. And the at least two purification modules 150 of the first purification assembly 130 or the second purification assembly 140 can be set to different purification functions, so that the air flow in the air duct 113 can be comprehensively and multifunctional purified, and the purification efficiency is greatly improved. And the user can select different functions of the purification module 150 according to the use requirement, thereby improving the use experience of the user.

The first purification assembly 130 and/or the second purification assembly 140 includes at least two purification modules 150 sequentially arranged along the air outlet direction of the air duct 113. It is possible to make the first purification assembly 130/the second purification assembly 140 include at least two purification modules 150 arranged in sequence, while the second purification assembly 140/the first purification assembly 130 can include one purification module 150 or at least two purification modules 150, and the at least two purification modules 150 can be partially stacked and the other part is arranged in a scattered way. At least two purification module 150 set gradually along the air-out direction of wind channel 113, then at least two purification module 150 can laminate each other and stack the setting, also can be interval arrangement. Specifically, at least two purification modules 150 are sequentially stacked along the air outlet direction of the air duct 113. The installation space required for the purification module 150 can be saved. The number of the purification modules 150 may be two, three, four or more, and the specific number may be selected and designed according to actual requirements.

In the air processing device 100 of the present invention, the first purifying component 130 is disposed on the air inlet side of the fan 120, and the second purifying component 140 is disposed on the air outlet side of the fan 120, so that the resistances on the two sides of the fan 120 are equivalent to each other, which is beneficial to the efficiency improvement and the air volume improvement of the fan 120. Meanwhile, at least one of the first purification assembly 130 and the second purification assembly 140 includes at least two purification modules 150 sequentially arranged along the air outlet direction of the air duct 113, so that the air flow passing through the air duct 113 is blown out after heavy purification, and the requirement of cleanliness is met, thereby greatly improving the purification effect of the air treatment device 100, and in addition, the user can also combine different purification modules 150 according to the use requirement, thereby meeting the use requirements of users with different purification functions.

In an embodiment, referring to fig. 1, 7 to 11, the second purifying assembly 140 includes a first purifying module 150 and a second purifying module 150 stacked together, the first purifying module 150 is a filtering module 141, the second purifying module 150 is a plasma screen 142, and the filtering module 141 is located downstream of the plasma screen 142 in the air outlet direction of the air duct 113.

In this embodiment, the first purification module 150 and the second purification module 150 may be attached to each other or disposed at a certain interval. The second purifying assembly 140 includes the first purifying module 150 and the second purifying module 150 which are stacked, so that it is ensured that the air flow on the air outlet flow path of the air duct 113 is purified and filtered layer by layer, so as to improve the purifying and filtering efficiency of the whole air processing device 100. In the air outlet direction of the air duct 113, the filtering module 141 is located at the downstream of the plasma screen 142, and then the air flow passes through the filtering module 141 after passing through the plasma screen 142, and then the plasma screen 142 can perform a sterilization effect on the filtering module 141, so that the cleanliness of the filtering module 141 is improved, and meanwhile, the purification effect of the filtering module 141 is also improved. Specifically, the filtering module 141 includes one or more of a HEPA net, a gaseous pollutant filtering net, and an activated carbon net.

In addition to the above-described embodiments, as shown in fig. 1, 3, 5 and 7, the housing 110 is provided with a mounting groove 114, the mounting groove 114 has an opening formed in the housing 110, and the purification module 150 is mounted in the mounting groove 114 through the opening in a drawable manner.

In the present embodiment, the purification module 150 is detachably mounted to the mounting groove 114. Thereby allowing the purification module 150 to be removed through the opening, facilitating replacement and cleaning of the purification module 150. The number of the mounting grooves 114 corresponds to the number of the purification modules 150 such that each purification module 150 is correspondingly mounted in one of the mounting grooves 114. The opening of the mounting groove 114 is opened on the peripheral wall surface of the housing 110, and the purification module 150 can be mounted into the mounting groove 114 through the opening. It can be understood that the mounting groove 114 of the housing 110 may be formed by a protruding strip, a protrusion, an annular step, a groove, a bracket, etc. for the installation of the purification module 150, and the hollow structure may allow air to pass through, so that when the purification module 150 is installed in the mounting groove 114, the air flow may pass through the purification module 150. In order to facilitate the drawing of the purification module 150, a sliding groove structure may be provided on one of the purification module 150 and the inner wall surface of the housing 110, and a sliding rail structure may be provided on the other, so that the purification module 150 and the housing 110 are connected in a sliding groove and sliding rail manner. By allowing the purification module 150 to be installed in the installation groove 114 in a drawable manner from one side of the housing 110, the structure is simple and the user's operation is facilitated.

Further, referring to fig. 5, 7 and 8, the housing 110 has a rear wall 116 and side wall surfaces 117 connected to both sides of the rear wall 116, and the opening is opened at the front side or the side wall surfaces 117 of the housing 110. It is understood that the first and

second decontamination assemblies

130, 140 each include a decontamination module 150. Each purification module 150 is correspondingly installed in one installation slot 114, and can be pulled out of the installation slot 114 through the opening. The wall surface of the opening corresponding to the purification module 150 of the first purification assembly 130 may be the same as or different from the wall surface of the opening corresponding to the second purification assembly 140. That is, the openings corresponding to the purge modules 150 of the first and

second purge assemblies

130 and 140 may be opened on the front side or the side wall surface 117 of the housing 110 at the same time, or the opening corresponding to the purge module 150 of the first purge assembly 130 may be opened on the front side/the side wall surface 117 of the housing 110, and the opening corresponding to the purge module 150 of the second purge assembly 140 may be opened on the side wall surface 117/the front side of the housing 110. The opening position of the opening may be designed according to the actual placing position of the fan 120 and the actual placing positions of the first and

second purification assemblies

130 and 140. Thus, the user can draw the purification module 150 from the front side or the left and right sides of the housing 110, which is more convenient for the user to operate.

In a preferred embodiment, as shown in fig. 5 to 9, the fan 120 is a double-suction centrifugal fan 120, the double-suction centrifugal fan 120 has two air inlet ends, and the air inlet is communicated with the two air inlet ends.

In the present embodiment, the inner wall surface of the casing 110 and the peripheral wall surface of the double suction centrifugal fan 120 are spaced apart from each other. Specifically, the air inlet is located at the corresponding housing 110 between the two air inlet ends. Therefore, when the double-suction centrifugal fan 120 works, the air flow entering the casing 110 from the air inlet is divided into two parts, which flow to the two air inlet ends of the double-suction centrifugal fan 120 respectively. By using the double suction centrifugal fan 120 to supply air to the air treatment device 100, the air volume is large, and the diameter of the impeller is small, so that the occupied space can be reduced, and the size of the air treatment device 100 can be reduced. And the double suction centrifugal fan 120 can reduce the power of the starting motor and shorten the starting time of the fan 120, so that the control of the air treatment device 100 is more sensitive.

Further, a first purifying assembly 130 is disposed between the two air inlet ends of the double-suction centrifugal fan 120 and the casing 110. Thus, the airflow entering the double-suction centrifugal fan 120 is purified by the first purifying assembly 130, thereby improving the purifying efficiency. And the first purifying assembly 130 is installed between the casing 110 and the air inlet side of the double suction centrifugal fan 120, so that the air flow entering the double suction centrifugal wind wheel can be purified by the first purifying assembly 130, and the space between the casing 110 and the double suction centrifugal wind wheel is fully utilized, so that the structure of the air processing device 100 is more compact, and the overall layout is more reasonable.

In practical application, a primary filter screen or a HEPA screen is disposed between the two air inlet ends of the double-suction centrifugal fan 120 and the casing 110. Then carry out the prefiltration to the new trend, promote the new trend intake when satisfying the purification demand, and can guarantee the inside clean of centrifugal fan 120. Since the air inlet is generally disposed on the rear wall surface of the casing 110, the two air inlet ends of the double-suction centrifugal fan 120 are disposed corresponding to the left and right sides of the casing 110, so that the first purification assembly 130 is disposed along the front-rear direction. In combination with the embodiment in which the purification module 150 is installed in the installation groove 114 in a drawable manner through the opening, the opening can be disposed on the front wall 116 of the housing 110, so that the first purification assembly 130 can be drawn out from the front side, which is convenient and fast, and has a small opening. Of course, in other embodiments, the opening may be provided on the rear wall surface of the housing 110.

In one embodiment, referring to fig. 1 to 10, the air inlet is communicated with the outside, the housing 110 is further provided with an indoor air inlet 115 communicated with the inside, and the indoor air inlet 115 is communicated with the air inlet end of the air duct 113.

It can be understood that the air inlet is communicated with the outside, so that the air inlet is the fresh air inlet 111. A fresh air switch door is usually disposed at the fresh air inlet 111, and specifically, a return air switch door is disposed at the indoor air inlet 115 to open or close the indoor air inlet 115. Thus, the air treatment device 100 has a fresh air purification mode and an indoor purification mode. When the air processing device 100 is in the fresh air purification mode, the return air switch door closes the indoor air inlet 115, the fresh air switch door opens the fresh air inlet 111, the fan 120 drives outdoor air flow to enter the air duct 113 from the fresh air inlet 111, and the outdoor air flow is purified layer by layer through the second purification component 140 or sequentially passes through the first purification component 130 and the second purification component 140 and then is blown out from the air outlet 112, so that the layer-by-layer filtration of fresh air is realized.

When the air processing device 100 is in the indoor purification mode, the return air switch door opens the indoor air inlet 115, the fresh air switch door closes the fresh air inlet 111, the fan 120 drives the indoor air flow to enter the air duct 113 from the indoor air inlet 115, and the indoor air flow is purified layer by the first purification component 130 and the second purification component 140 and then blown out from the air outlet 112. Thus, the air treatment device 100 can circularly purify indoor air, so that the indoor air quality can be improved, the air treatment device 100 is multifunctional, and the product performance is improved.

On the basis of the above embodiment, as shown in fig. 3 to fig. 6, the first purifying assembly 130 and the second purifying assembly 140 are distributed on the upper and lower sides of the fan 120, the indoor air inlet 115 is located on the side of the first purifying assembly 130 facing away from the fan 120, the air outlet 112 is located on the side of the second purifying assembly 140 facing away from the fan 120, and the air inlet is located between the first purifying assembly 130 and the second purifying assembly 140.

In the present embodiment, the fan 120 is a centrifugal fan 120. The air outlet end of the volute of the centrifugal fan 120 is connected to the air outlet 112, and the air inlet end of the centrifugal fan 120 is horizontally disposed. The air processing device 100 has a fresh air mode and an indoor cleaning mode. By distributing the first purifying assembly 130 and the second purifying assembly 140 on the upper and lower sides of the fan 120, the air inlet is located between the first purifying assembly 130 and the second purifying assembly 140. When the air processing apparatus 100 is in the fresh air mode, the fan 120 drives the outdoor air flow to enter the air duct 113 from the air inlet, and the outdoor air flow passes through the second purifying assembly 140, is purified, and is blown out to the indoor through the air outlet 112. Without passing through the first purification assembly 130. When the air processing device 100 is in the indoor cleaning mode, the fan 120 drives the indoor airflow to enter the air duct 113 through the indoor air inlet 115, and the indoor airflow flows into the fan 120 after being cleaned by the first cleaning component 130, and then flows out of the air outlet 112 after being cleaned by the second cleaning component 140. Thus, the air treatment device 100 can be cleaned in a fresh air mode and an indoor cleaning mode by different cleaning assemblies, thereby prolonging the service life of the first cleaning assembly 130. Specifically, the air outlet 112 may be located on the upper side of the fan 120, and the indoor air inlet 115 may be located on the lower side of the fan 120. Or such that the outlet 112 is located at the lower side of the fan 120 and the indoor air inlet 115 is located at the upper side of the fan 120.

In an embodiment, referring to fig. 3 to 6 again, the first purifying assembly 130 includes at least two purifying modules 150 stacked along an air inlet direction of the indoor air inlet 115, the second purifying assembly 140 includes an annular filter screen 143, the annular filter screen 143 is communicated with an air outlet end of the fan 120, and the air outlet 112 is disposed corresponding to a sidewall surface 117 of the annular filter screen 143.

In this embodiment, it can be understood that the ring screen 143 is disposed in a cylindrical shape and has a certain height. The height of the annular screen 143 can be selected and designed according to the actual use requirements. Annular filter screen 143 specifically can be annular HEPA net, and the cross sectional shape that annular HEPA was netted can be for ring, elliptical ring, square ring, triangle ring etc. only need make the both ends closure formation closed ring of HEPA net can. The air outlet 112 may be disposed on the front side of the housing 110, or on both left and right sides of the housing 110, and may be selected and designed according to actual requirements. Through making second purification component 140 include annular filter screen 143, then under the new trend mode for the air current passes through annular HEPA net and filters, can satisfy the basic filtration demand of new trend. And under indoor purification mode, indoor air current passes through a plurality of purification module 150 of first purification subassembly 130, and filters through annular filter screen 143 simultaneously to make indoor air current heavily purify through, the circulation of effectual realization indoor air current purifies, promotes indoor air quality. Thus, the air treatment device 100 makes the air flow pass through different purification assemblies according to different treatment modes, and the service life of the first purification assembly 130 is effectively prolonged while the requirements of purification and filtration are met.

In one embodiment, as shown in fig. 1, 2, and 7 to 10, the air outlet 112 is disposed at an upper portion of the housing 110, the air inlet is disposed at a lower portion of the housing 110, the second purifying assembly 140 is disposed above the fan 120 and is disposed along a horizontal direction, and the first purifying assembly 130 is disposed at a side end of the fan 120 and is disposed along a vertical direction. Through making first purification subassembly 130 locate fan 120's top, second purification subassembly 140 locates fan 120's side, and makes first purification subassembly 130 level place, and second purification subassembly 140 is vertical to be placed, then when satisfying the purification demand, the space in make full use of casing 110 for whole height is lower, and overall structure is compacter, and the overall arrangement is more reasonable.

Specifically, the fan 120 includes a volute, and the second cleaning assembly 140 is disposed at an interval from an air outlet end of the volute. The distance between the second purification component 140 and the air outlet end of the volute is specifically 15 mm-80 mm. Preferably, the distance between the second purification assembly 140 and the air outlet end of the volute is 25 mm-45 mm. Thus, the wind resistance of the second purifying assembly 140 is reduced, and the wind outlet efficiency and the wind outlet amount of the whole air processing device 100 are improved.

In one embodiment, referring to fig. 10 and 11, the fan 120 includes a fresh air fan 120 and an exhaust air fan 120, an exhaust air duct is defined in the casing 110, the fresh air fan 120 is installed in the air duct 113 and is used for introducing fresh outdoor air into the room through the air duct 113, and the exhaust air fan 120 is installed in the exhaust air duct and is used for exhausting dirty indoor air to the outside through the exhaust air duct.

In this embodiment, the air exhaust fan 120 and the air exhaust channel are arranged, so that the air processing device 100 has a fresh air mode and an air exhaust mode, indoor dirty air can be exhausted outdoors in the air exhaust mode, the indoor fresh air exchange rate can be increased, and the air processing mode is diversified. An air exhaust outlet can be additionally arranged to be communicated with the air exhaust duct so as to exhaust indoor dirty air in the air exhaust duct to the outside, and the air exhaust outlet and the air inlet can share one port. Only one communicating port is arranged between the air processing device 100 and the outdoor, the air inlet can be used as a fresh air inlet and an exhaust outlet, an exhaust outlet does not need to be additionally arranged, a connecting pipe structure is simplified, additional punching is not needed, the installation process is simplified, meanwhile, the structure of the air processing device 100 is simpler, and the appearance consistency of the air processing device 100 is ensured.

In other embodiments, the fan 120 includes a fresh air fan 120, and the fresh air fan 120 is used for driving the outdoor air flow to flow into the air duct 113 from the air inlet and blow out to the indoor through the air outlet 112, and for driving the indoor air flow to flow into the air duct 113 and blow out to the outdoor through the air inlet.

In this embodiment, the fresh air fan 120 may be a vortex fan 120. The switching between the fresh air mode and the exhaust air mode of the air processing device 100 can be realized by controlling the forward rotation and the reverse rotation of the vortex fan 120. In the fresh air mode, the vortex fan 120 rotates forward to drive outdoor air to enter the air duct 113 from the air inlet, and the air is purified by the plurality of purification modules 150 and then blown out to the indoor through the air outlet 112. In the exhaust mode, the vortex fan 120 rotates reversely to drive indoor dirty air to enter the air duct 113 through the air outlet 112, and the dirty air is purified by the plurality of purification modules 150 and then discharged to the outside through the air inlet. An air exhaust channel is not required to be additionally designed, the air exhaust mode and the fresh air mode can be switched by only arranging an air inlet, an air outlet 112 and an air channel 113 and switching the forward rotation and the reverse rotation of the vortex fan 120, and the air exhaust device is simple in structure and easy to realize.

Of course, the fan 120 may also be a centrifugal fan 120 or other fans 120, and an exhaust channel intersecting the air duct 113 may be additionally provided, and the exhaust channel is communicated with the indoor air inlet 115, so that the fan 120 is installed at the intersection of the air duct 113 and the exhaust channel, and the exhaust channel is alternatively communicated with the air duct 113. In the fresh air mode, the air exhaust channel is closed, so that the fan 120 drives outdoor airflow to blow into the room through the air duct 113; in the exhaust mode, the air duct 113 is closed, so that the fan 120 drives the indoor air flow to flow into the exhaust air duct from the indoor air inlet 115 and to be discharged to the outside through the air inlet or other exhaust outlets. So for air treatment device 100 has the mode of airing exhaust, can arrange indoor dirty wind to outdoor, can accelerate indoor new trend speed of changing wind, diversified air treatment mode.

The present invention further provides an indoor unit of an air conditioner, as shown in fig. 12 to 15, the indoor unit of an air conditioner includes a casing 200 and an air processing device 100, the specific structure of the air processing device 100 refers to the above embodiment, the casing 200 is provided with a casing fresh air inlet 210, a casing indoor air inlet 230 and a casing air outlet 220; the air treatment device 100 is installed in the cabinet 200, the fresh air inlet 111 of the air treatment device 100 is communicated with the outside through the fresh air inlet 210 of the cabinet, the indoor air inlet 115 of the air treatment device 100 is communicated with the indoor air inlet 230 of the cabinet, and the air outlet 112 of the air treatment device 100 is communicated with the air outlet 220 of the cabinet. Since the air-conditioning indoor unit adopts all the technical schemes of all the embodiments, at least all the beneficial effects brought by the technical schemes of the embodiments are achieved, and the details are not repeated. The air-conditioning indoor unit can be specifically a floor type air-conditioning indoor unit. But is not limited thereto and may be used in some cases for wall-mounted air conditioning indoor units, ceiling-mounted units, etc.

In this embodiment, the whole of the housing 200 extends vertically. Wherein, the casing 200 can be composed of a front casing, a rear casing, a base, a top cover, etc.; the front shell is composed of one or more than one block, the front shell is provided with an air-conditioning air outlet, and an air outlet switch door is arranged corresponding to the air-conditioning air outlet and is used for opening or closing the air-conditioning air outlet; the back shell is composed of one or more blocks, is provided with an air-conditioning return air channel and can also be provided with a shell fresh air inlet 210. The casing air outlet 220 and the casing fresh air inlet 210 can be provided with grid structures. An indoor heat exchanger part, an air conditioner fan part, a control part, an air treatment module, etc. are further provided in the cabinet 200. The two sides of the rear shell are provided with stand columns which are used for installing and fixing an indoor heat exchanger part, a fresh air part and an electric control part; the housing outlet 220 is disposed on either side of the rear housing or on the front housing; the front shell is provided with a casing air outlet 220 and a guiding and fixing structure which is fixedly assembled with an air outlet volute of the air processing device 100. The air conditioner fan unit is a single cross flow fan 120 or a double cross flow fan 120. The air conditioner fan component is assembled by one or more of a cross flow fan, a centrifugal fan, an axial flow fan and an oblique flow fan.

When the floor type air conditioner indoor unit starts a fresh air mode, the air treatment device 100 operates, the fan 120 drives outdoor fresh air to be introduced into the fresh air inlet 111 of the air treatment device 100 through the shell fresh air inlet 210, the fresh air enters the air duct 113, is purified and filtered layer by layer through the first purification component 130 and the second purification component 140, and is blown to the shell air outlet 220 through the air outlet 112 and further blown into the room, so that fresh air supply is realized.

The invention also provides an air conditioner, the air conditioner indoor unit comprises an air conditioner outdoor unit and an air conditioner indoor unit which are communicated through the refrigerant pipe, and the specific structure of the air conditioner indoor unit refers to the embodiment. Since the air-conditioning indoor unit adopts all the technical schemes of all the embodiments, at least all the beneficial effects brought by the technical schemes of the embodiments are achieved, and the details are not repeated.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An air treatment device, comprising:

the air conditioner comprises a shell, a fan and a control device, wherein the shell is provided with an air inlet, an air outlet and an air channel for communicating the air inlet and the air outlet;

the fan is arranged in the air duct;

2. The air treatment device according to claim 1, wherein the second purification assembly includes a first purification module and a second purification module arranged in a stacked manner, the first purification module is a filter module, the second purification module is a plasma screen, and the filter module is located downstream of the plasma screen in an air outlet direction of the air duct.

3. The air treatment device of claim 2, wherein the filtration module comprises one or more of a HEPA mesh, a gaseous pollutant filter mesh, an activated carbon mesh.

4. The air treatment device according to claim 1, wherein a mounting groove is provided in the housing, the mounting groove having an opening formed in the housing, the purification module being drawably mounted to the mounting groove through the opening.

5. The air treatment device according to claim 4, wherein the housing has a rear wall surface and side wall surfaces connected to both sides of the rear wall surface, and the opening is opened at a front side or the side wall surfaces of the housing.

6. The air treatment device of claim 1, wherein the fan is a double suction centrifugal fan having two air inlet ends, the air inlet communicating with the two air inlet ends.

7. The air treatment device of claim 6, wherein the first purification assembly is disposed between the two air inlet ends of the double suction centrifugal fan and the housing.

8. The air treatment device as claimed in any one of claims 1 to 6, wherein the air inlet is communicated with the outside, the housing is further provided with an indoor air inlet communicated with the inside of the room, and the indoor air inlet is communicated with the air inlet end of the air duct.

9. The air treatment device according to claim 8, wherein the first purification assembly and the second purification assembly are disposed on upper and lower sides of the fan, the indoor air inlet is disposed on a side of the first purification assembly facing away from the fan, the air outlet is disposed on a side of the second purification assembly facing away from the fan, and the air inlet is disposed between the first purification assembly and the second purification assembly.

10. The air treatment device of claim 9, wherein the air treatment device has a fresh air mode and an indoor cleaning mode;

11. The air treatment device according to claim 9, wherein the first purifying assembly comprises at least two purifying modules stacked along an air inlet direction of the indoor air inlet, the second purifying assembly comprises an annular filter screen, the annular filter screen is communicated with an air outlet end of the fan, and the air outlet is arranged corresponding to a side wall surface of the annular filter screen.

12. The air treatment device according to claim 1, wherein the air outlet is disposed at an upper portion of the housing, the air inlet is disposed at a lower portion of the housing, the second purification assembly is disposed above the blower and disposed in a horizontal direction, and the first purification assembly is disposed at a side end of the blower and disposed in a vertical direction.

13. The air treatment device of claim 1, wherein the first purification component comprises one or more of a primary filter, a HEPA mesh, a plasma mesh, a gaseous pollutant filter, an activated carbon mesh; and/or the second purification component comprises one or more of a primary filter screen, a HEPA screen, a plasma screen, a gaseous pollutant filter screen and an activated carbon screen.

14. The air processing device as claimed in claim 1, wherein the fan includes a fresh air fan and an exhaust air fan, the housing further defines an exhaust air duct, the fresh air fan is installed in the air duct to introduce fresh outdoor air into the room through the air duct, and the exhaust air fan is installed in the exhaust air duct to discharge dirty indoor air to the outside through the exhaust air duct; or the like, or, alternatively,

15. An indoor unit of an air conditioner, comprising:

a housing; and

an air treatment device as claimed in any one of claims 1 to 14, mounted within the cabinet.

16. An air conditioner comprising an outdoor unit of the air conditioner and the indoor unit of the air conditioner as claimed in claim 15.