Purifying device for fresh air conditioning system and fresh air conditioning system

Abstract

The utility model relates to the technical field of household appliances, and discloses a purification device for a fresh air conditioning system, the fresh air conditioning system comprises a fan assembly, and the fan assembly comprises a fan provided with an air inlet end; the purification device comprises a mounting frame assembly and a purification filter element. The mounting frame assembly is provided with a mounting area; the purification filter element is mounted in the mounting area, the purification filter element comprises a purification layer and an aromatherapy layer, the aromatherapy layer is attached to the purification layer, and the aromatherapy layer is filled with aromatherapy particles; wherein the purification filter element is arranged corresponding to the air inlet end of the fan. Through the arrangement, a user can feel the change of the air quality more visually, and the use experience of the user is better. Meanwhile, the utility model further discloses a fresh air conditioning system.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of household appliances, for example to a purification device for a fresh air air conditioning system and a fresh air air conditioning system. BACKGROUND

[0002] With the development of society, people's requirements for living environment are also getting higher and higher. Sometimes there are volatile organic compounds or dust in indoor air, which can affect human health. Therefore, users will also install a fresh air air conditioning system in the indoor environment to introduce outdoor air into the indoor environment according to the needs, so as to improve the indoor air quality.

[0003] In related technologies, a filter screen structure is generally arranged in the fresh air air conditioning system, and the air flowing into the indoor environment is filtered through the filter screen structure. In this way, the dust and other impurities in the outdoor air can be filtered out through the filter screen structure, so as to further improve the quality of the indoor air.

[0004] In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

[0005] In related technologies, the existing fresh air air conditioning system with filter screen structure generally only has a filter element. Therefore, the current fresh air air conditioning system can only filter the air simply, and users cannot intuitively feel the change of air quality, resulting in poor user experience.

[0006] It should be noted that the information disclosed in the above background section is only used to strengthen the understanding of the background of the present application, and therefore can include information that does not constitute prior art known to those of ordinary skill in the art. CONTENT OF THE INVENTION

[0007] In order to have a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. The summary is not a general review, nor does it determine the key / important components or delineate the protection scope of these embodiments, but serves as a prelude to the detailed description below.

[0008] The purification device for a fresh air air conditioning system and the fresh air air conditioning system provided by the embodiments of the present disclosure not only can filter the air flowing into the indoor environment, but also can diffuse the fragrance of the aromatherapy particles to the indoor environment through air flow. In this way, users can more intuitively feel the change of air quality, and the user experience is better.

[0009] The embodiment of the present disclosure provides a purification device for a fresh air air conditioning system, the fresh air air conditioning system comprising a fan assembly, the fan assembly comprising a fan provided with an air inlet end; the purification device comprising: a mounting frame assembly and a purification filter element. The mounting frame assembly is provided with a mounting area; the purification filter element is mounted in the mounting area, and the purification filter element comprises a purification layer and an aromatherapy layer, the aromatherapy layer is arranged on the purification layer, and the aromatherapy layer is filled with aromatherapy particles; wherein the purification filter element is arranged corresponding to the air inlet end of the fan.

[0010] In some embodiments, the purification filter element is provided with a plurality of aromatherapy layers; wherein at least one aromatherapy layer is arranged on one side of the purification layer facing the air inlet end, and at least one aromatherapy layer is arranged on the other side of the purification layer away from the air inlet end of the fan.

[0011] In some embodiments, the mounting frame assembly comprises a filter element frame and a support structure. The filter element frame comprises a mounting frame and a fixed part, and the mounting frame encloses the mounting area, and the fixed part is located on one side of the mounting area; the support structure is mounted on the mounting frame, and the support structure is located on the other side of the mounting area relative to the fixed part.

[0012] In some embodiments, the mounting frame comprises a clamping part; the support structure is provided with a clamping matching part corresponding to the clamping part; wherein the clamping matching part can be clamped on the clamping part to clamp the support structure on the mounting frame.

[0013] In some embodiments, the support structure comprises a clamping frame and a support bar. The clamping frame is arranged corresponding to the mounting frame, and the clamping matching part is arranged on the clamping frame; the support bar is arranged corresponding to the mounting area, and the two ends of the support bar are respectively connected to the opposite two edges of the clamping frame.

[0014] In some embodiments, the support structure comprises a plurality of support bars; wherein a plurality of support bars are arranged in the horizontal direction, and / or a plurality of support bars are arranged in the vertical direction.

[0015] In some embodiments, the fixed part comprises a plurality of fixed bars; wherein a plurality of fixed bars are arranged in the horizontal direction, and / or a plurality of fixed bars are arranged in the vertical direction.

[0016] In some embodiments, the mounting frame assembly is configured as an arc structure; the purification filter element is configured as an arc structure corresponding to the mounting frame assembly.

[0017] The embodiment of the present disclosure also provides a fresh air air conditioning system comprising: a fan assembly and the above-mentioned purification device for a fresh air air conditioning system. The fan assembly comprises a fan and a housing, the fan is provided with an air inlet end, and the housing is provided with an air duct, the air duct is in communication with the air inlet end of the fan; the purification device for the fresh air air conditioning system is mounted in the air duct, and the purification device is arranged corresponding to the air inlet end.

[0018] In some embodiments, the air duct is provided with a slot corresponding to the air inlet end; wherein the purification device is inserted into the slot.

[0019] The purification device for the fresh air conditioning system and the fresh air conditioning system provided by the embodiments of the present disclosure can achieve the following technical effects:

[0020] The purification device for the fresh air conditioning system provided by the embodiments of the present disclosure includes a mounting frame assembly and a purification filter element. The mounting frame assembly is provided with a mounting area; the purification filter element is mounted in the mounting area, and includes a purification layer and an aromatherapy layer. The aromatherapy layer is attached to the purification layer and is filled with aromatherapy particles. The purification filter element is arranged corresponding to the air inlet end of the fan. In this way, the user can introduce outdoor air or indoor air into the air duct through the fan assembly, and then the fan assembly blows the air in the air duct to the indoor through the air outlet end. At this time, the purification layer of the purification filter element can purify the air flowing into the indoor, and the air can also diffuse the aroma of the aromatherapy particles of the aromatherapy layer to the indoor. In this way, the user can more intuitively feel the change of air quality, and the user experience is better.

[0021] The foregoing general description and the following description are only exemplary and explanatory, and are not used to limit the present application. BRIEF DESCRIPTION OF DRAWINGS

[0022] One or more embodiments are exemplarily illustrated by corresponding drawings, which do not constitute limitation on the embodiments, and elements with the same reference numerals in the drawings are shown as similar elements, the drawings do not constitute proportional limitation, and wherein:

[0023] Figure 1 is a structural schematic diagram of a purification device and a fan assembly for a fresh air conditioning system provided by the embodiments of the present disclosure;

[0024] Figure 2 is a structural schematic diagram of a purification device for a fresh air conditioning system provided by the embodiments of the present disclosure;

[0025] Figure 3 is a sectional view of a purification device for a fresh air conditioning system provided by the embodiments of the present disclosure;

[0026] Figure 4 is Figure 3 a partial structure enlarged view of

[0027] Figure 5 is a structural schematic diagram of a filter element frame provided by the embodiments of the present disclosure;

[0028] Figure 6is a structural schematic diagram of a support structure provided by an embodiment of the present disclosure.

[0029] Reference signs:

[0030] 10: fan; 11: air inlet end; 12: purification device; 13: mounting area;

[0031] 20: mounting frame assembly; 21: filter core frame; 211: mounting frame; 212: fixing portion; 213: clamping portion; 214: handle; 22: support structure; 221: clamping frame; 222: support strip; 223: clamping matching portion;

[0032] 30: purification filter core; 31: purification layer; 32: aromatherapy layer; 321: aromatherapy particles. DETAILED DESCRIPTION

[0033] In order to enable a more detailed understanding of the features and technical content of the embodiments of the present disclosure, the implementation of the embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings, which are only used for reference and do not limit the embodiments of the present disclosure. In the following technical description, in order to facilitate explanation, a plurality of details are provided to provide a full understanding of the disclosed embodiments. However, one or more embodiments can still be implemented without these details. In other cases, well-known structures and devices can be simplified to facilitate the drawings.

[0034] The terms "first", "second", and the like in the specification and claims of the embodiments of the present disclosure and the above drawings are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present disclosure described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion.

[0035] In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "back", and the like indicate the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the embodiments of the present disclosure and its embodiments, and are not intended to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation. In addition, in addition to indicating the orientation or positional relationship, the above-mentioned terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain attachment relationship or connection relationship in some cases. For those skilled in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0036] In addition, the terms "set", "connected", and "fixed" should be understood broadly. For example, "connected" can be fixed connection, detachable connection, or integral configuration; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection via an intermediate medium, or internal communication between two devices, elements, or components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the embodiments of the present disclosure according to specific circumstances.

[0037] Unless otherwise specified, the term "plurality" means two or more.

[0038] In the embodiments of the present disclosure, the character " / " represents an "or" relationship between the preceding and following objects. For example, A / B means A or B.

[0039] The term "and / or" is a description of the association relationship between objects, which means that there can be three relationships. For example, A and / or B means that there are three relationships of A or B, or A and B.

[0040] It should be noted that the embodiments in the embodiments of the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0041] As shown in Figures 1 to 6 The embodiments of the present disclosure provide a purification device 12 for a fresh air conditioning system and a fresh air conditioning system, which not only can filter the air flowing into the room, but also can diffuse the fragrance of the aromatherapy particles 321 to the room through air flow. In this way, users can more intuitively feel the change of air quality, and the user experience is better.

[0042] As shown in Figures 1 to 6 The embodiments of the present disclosure provide a purification device 12 for a fresh air conditioning system, and the fresh air conditioning system includes a fan 10 assembly, and the fan 10 assembly includes a fan 10 provided with an air inlet end 11; the purification device 12 includes a mounting frame assembly 20 and a purification filter element 30. The mounting frame assembly 20 is provided with a mounting area 13; the purification filter element 30 is mounted on the mounting area 13, and the purification filter element 30 includes a purification layer 31 and an aromatherapy layer 32, the aromatherapy layer 32 is arranged on the purification layer 31, and the aromatherapy layer 32 is filled with aromatherapy particles 321; wherein the purification filter element 30 is arranged corresponding to the air inlet end 11 of the fan 10.

[0043] Specifically, the fan 10 assembly includes the fan 10 and an air duct, the air duct includes an indoor air inlet, an outdoor air inlet and an air outlet, the fan 10 is provided with an air inlet end 11, and the fan 10 can introduce indoor or outdoor air into the air duct, and then blow the air to the indoor through the air outlet of the air duct. The mounting frame body is fixedly installed on the shell, and the mounting area 13 is located on one side of the air inlet end 11. The purification filter element 30 is fixedly installed on the mounting area 13, and the size of the purification filter element 30 is greater than or equal to the size of the air inlet end 11. The aromatherapy layer 32 of the purification filter element 30 is uniformly filled with a plurality of aromatherapy particles 321, and gaps exist between the plurality of aromatherapy particles 321.

[0044] In the case of operation of the fresh air air conditioning system, the fan 10 can introduce outdoor or indoor air into the air duct, and then blow the air to the indoor through the air outlet of the air duct. The air blown to the indoor flows through the purification layer 31 of the purification filter element 30, so that the purification layer 31 purifies the air, thereby improving the air quality in the indoor. At the same time, the air also flows through the aromatherapy layer 32 to diffuse the fragrance of the aromatherapy particles 321 to the indoor. In this way, the user can more intuitively feel the change of the air quality, and the user experience is better.

[0045] In actual application, the user can configure the aromatherapy layer 32 as a whole, that is, uniformly fill the aromatherapy particles 321 of the same fragrance in the aromatherapy layer 32. The user can also divide the aromatherapy layer 32 into a plurality of aromatherapy areas, and fill a plurality of aromatherapy particles 321 of different fragrances in the plurality of aromatherapy areas, respectively.

[0046] Optionally, the aromatherapy layer 32 and the purification layer 31 adopt a split structure to facilitate the user to replace the aromatherapy layer 32 or the purification layer 31 individually.

[0047] As shown in Figure 3 and Figure 4 In some embodiments, the purification filter element 30 is provided with a plurality of aromatherapy layers 32; wherein at least one aromatherapy layer 32 is arranged on the side of the purification layer 31 facing the air inlet end 11, and at least one aromatherapy layer 32 is arranged on the side of the purification layer 31 away from the air inlet end 11 of the fan 10.

[0048] Specifically, the purification filter element 30 includes a first outer aromatherapy layer 32 and a second outer aromatherapy layer 32, the first outer aromatherapy layer 32 is arranged on the side of the purification layer 31 facing the air inlet end 11, and the second outer aromatherapy layer 32 is arranged on the other side of the purification layer 31 relative to the first outer aromatherapy layer 32. In this way, the air in the air duct can first flow through the second outer aromatherapy layer 32, and then flow through the purification layer 31. After the air is filtered by the purification layer 31, it flows through the first outer aromatherapy layer 32, so as to increase the amount of fragrance diffused to the indoor, and further improve the user experience.

[0049] As shown in Figures 2 to 6As shown in some embodiments, the mounting frame assembly 20 comprises a filter core frame 21 and a support structure 22. The filter core frame 21 comprises a mounting rim 211 and a fixing portion 212, the mounting rim 211 encloses the mounting area 13, and the fixing portion 212 is located at one side of the mounting area 13; the support structure 22 is mounted on the mounting rim 211, and the support structure 22 is located at the other side of the mounting area 13 relative to the fixing portion 212.

[0050] Specifically, the fixing portion 212 is fixedly connected with the mounting rim 211, and the fixing portion 212 is located at one side of the mounting area 13. The support structure 22 can be fixedly mounted on the mounting rim 211, and the support structure 22 is located at the other side of the mounting area 13. The projection area of the fixing portion 212 and the support structure 22 on the plane where the mounting area 13 is located is greater than or equal to the corresponding cross-sectional area of the mounting area 13. In this way, after the purification filter core 30 is mounted in the mounting area 13, the fixing portion 212 and the support structure 22 can abut the two sides of the purification filter core 30 respectively to achieve the fixation of the purification filter core 30.

[0051] As shown in some embodiments, Figure 5 and Figure 6 As shown in some embodiments, the mounting rim 211 comprises a clamping portion 213; the support structure 22 is provided with a clamping matching portion 223 corresponding to the clamping portion 213; wherein the clamping matching portion 223 can be clamped in the clamping portion 213 to clamp the support structure 22 on the mounting rim 211.

[0052] Specifically, the mounting rim 211 comprises a clamping slot to constitute the clamping portion 213, and the support structure 22 is provided with a clamping buckle at a position corresponding to the clamping slot to constitute the clamping matching portion 223. After the purification filter core 30 is mounted in the mounting area 13, the clamping buckle of the support structure 22 can be clamped in the clamping slot of the mounting rim 211 to clamp the support structure 22 on the filter core frame 21.

[0053] Optionally, the mounting rim 211 is provided with a plurality of clamping slots, and the support structure 22 is provided with a plurality of clamping buckles corresponding to the mounting rim 211. The plurality of clamping buckles can be clamped in the plurality of clamping slots respectively to improve the stability of the support structure 22 clamped on the filter core frame 21.

[0054] As shown in some embodiments, Figure 6 The support structure 22 comprises a clamping rim 221 and a support strip 222. The clamping rim 221 is provided corresponding to the mounting rim 211, and the clamping matching portion 223 is provided on the clamping rim 221; the support strip 222 is provided corresponding to the mounting area 13, and the two ends of the support strip 222 are connected to the opposite two edges of the clamping rim 221 respectively.

[0055] Specifically, the support strip 222 and the clamping frame 221 adopt an integrated structure, and the support strip 222 is arranged parallel to the purification filter element 30. After the purification filter element 30 is installed in the installation area 13, the clamping frame 221 can be clamped to the filter element frame 21. At this time, the support strip 222 can abut against the side wall surface of the purification filter element 30 to avoid the purification filter element 30 from escaping from the installation area 13 on one side of the support strip 222.

[0056] It can be understood that the support of the purification filter element 30 by the support strip 222 can reduce the influence of the support structure 22 on the airflow passing through the purification filter element 30.

[0057] As shown in FIG. 1, Figure 6 In some embodiments, the support structure 22 includes a plurality of support strips 222; wherein the plurality of support strips 222 are arranged in the horizontal direction, and / or the plurality of support strips 222 are arranged in the vertical direction.

[0058] Specifically, the support structure 22 includes a plurality of support strips 222, and the plurality of support strips 222 abut against the side wall surface of the purification filter element 30 respectively to increase the stability of the installation of the purification filter element 30.

[0059] In some practical applications, the support strips 222 are arranged in the vertical direction, and the plurality of support strips 222 are arranged in the horizontal direction.

[0060] In some practical applications, the support strips 222 are arranged in the horizontal direction, and the plurality of support strips 222 are arranged in the vertical direction.

[0061] In some practical applications, part of the support strips 222 are arranged in the vertical direction, and the part of the support strips 222 are arranged in the horizontal direction; and part of the support strips 222 are arranged in the horizontal direction, and the part of the support strips 222 are arranged in the vertical direction.

[0062] As shown in FIG. 1, Figure 5 In some embodiments, the fixing part 212 includes a plurality of fixing strips; wherein the plurality of fixing strips are arranged in the horizontal direction, and / or the plurality of fixing strips are arranged in the vertical direction.

[0063] Specifically, the fixing strip and the installation frame 211 adopt an integrated structure, and the fixing strip is arranged parallel to the purification filter element 30. After the purification filter element 30 is installed in the installation area 13, the fixing strip can abut against the side wall surface of the purification filter element 30 to avoid the purification filter element 30 from escaping from the installation area 13 on one side of the fixing strip. Meanwhile, the plurality of fixing strips abut against the side wall surface of the purification filter element 30 respectively to increase the stability of the installation of the purification filter element 30.

[0064] In some practical applications, the fixing strips are arranged in the vertical direction, and the plurality of fixing strips are arranged in the horizontal direction.

[0065] In some practical applications, the fixing strips are arranged in the horizontal direction, and a plurality of fixing strips are arranged in the vertical direction.

[0066] In some practical applications, part of the fixing strips are arranged in the vertical direction, and the fixing strips are arranged in the horizontal direction; and part of the fixing strips are arranged in the horizontal direction, and the fixing strips are arranged in the vertical direction.

[0067] As shown in FIG. 1, in some embodiments, the mounting frame assembly 20 is configured as an arc-shaped structure; the purification filter element 30 is configured as an arc-shaped structure corresponding to the mounting frame assembly 20. Figure 3

[0068] Specifically, the mounting frame assembly 20 and the purification filter element 30 are arranged in an arc-shaped structure, which is more convenient for users to install the purification device 12 in the fresh air conditioning system.

[0069] Optionally, the purification layer 31 is configured as a HEPA (High-Efficiency Particulate Air) high-efficiency air filter.

[0070] As shown in FIG. 1, in some embodiments, the mounting frame assembly 20 is configured as an arc-shaped structure; the purification filter element 30 is configured as an arc-shaped structure corresponding to the mounting frame assembly 20. Figures 1 to 6 As shown in FIG. 2, the present disclosure further provides a fresh air conditioning system, which comprises a fan 10 assembly and the purification device 12 for the fresh air conditioning system. The fan 10 assembly comprises the fan 10 and a shell, the fan 10 is provided with an air inlet end 11, and the shell is provided with an air duct, the air duct is in communication with the air inlet end 11 of the fan 10; the purification device 12 for the fresh air conditioning system is installed in the air duct, and the purification device 12 is arranged corresponding to the air outlet.

[0071] Specifically, the fan 10 is arranged in the air duct, and the air duct is further provided with an indoor air inlet, an outdoor air inlet and an air outlet. The indoor air inlet and the air outlet are respectively in communication with the indoor environment, and the outdoor air inlet is in communication with the outdoor environment, so that the fan 10 can introduce the air in the indoor or outdoor environment into the indoor environment.

[0072] The fresh air conditioning system with the purification device 12 for the fresh air conditioning system of the present disclosure can introduce the air in the outdoor or indoor environment into the air duct through the fan 10, and then blow the air into the indoor environment through the air outlet. The air blown into the indoor environment flows through the purification layer 31 of the purification filter element 30, so that the purification layer 31 purifies the air, thereby improving the air quality in the indoor environment. At the same time, the air also flows through the aromatherapy layer 32, so that the fragrance of the aromatherapy particles 321 is diffused into the indoor environment. In this way, the user can more intuitively feel the change of the air quality, and the user experience is better.

[0073] In some embodiments, the air duct is provided with a slot corresponding to the air outlet; and the purification device 12 is inserted into the slot. ​

[0074] Specifically, the slot is arranged parallel to the air inlet end 11. One side of the purification device 12 is provided with a handle 214, through which a user can insert the purification device 12 into the slot as a whole, or extract the purification device 12 from the slot.

[0075] The above description and drawings suffice to fully illustrate the embodiments of the present disclosure to enable a person skilled in the art to practice them. Other embodiments can include structural and other changes. The embodiments represent only a few of the possible variations. Individual components and functions are optional unless explicitly required, and the order of operations can be varied. Parts and features of some embodiments can be included in or replace parts and features of other embodiments. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A purification device for a fresh air conditioning system, the fresh air conditioning system comprising a fan assembly, the fan assembly comprising a fan provided with an air inlet end, characterized in that, The purification device comprises: a mounting frame assembly provided with a mounting area; and a purification filter element installed in the mounting area, the purification filter element comprising a purification layer and a fragrance layer, the fragrance layer being arranged on the purification layer, and the fragrance layer being filled with fragrance particles; wherein the purification filter element is arranged corresponding to the air inlet end of the fan.

2. The purification device according to claim 1, wherein the purification filter element is provided with a plurality of fragrance layers; wherein at least one fragrance layer is arranged on one side of the purification layer facing the air inlet end, and at least one fragrance layer is arranged on the other side of the purification layer away from the air inlet end of the fan.

3. The purification device of claim 1, wherein, The mounting frame assembly comprises: a filter element frame comprising a mounting rim and a fixing portion, the mounting rim enclosing the mounting area, and the fixing portion being located on one side of the mounting area; and a support structure installed on the mounting rim, and the support structure being located on the other side of the mounting area relative to the fixing portion.

4. The purification device according to claim 3, wherein the mounting rim comprises a clamping portion; and the support structure is provided with a clamping matching portion corresponding to the clamping portion; wherein the clamping matching portion can be clamped on the clamping portion to clamp the support structure on the mounting rim.

5. The purification device of claim 4, wherein, The support structure comprises: a clamping rim arranged corresponding to the mounting rim, and the clamping matching portion being arranged on the clamping rim; and a support bar arranged corresponding to the mounting area, and two ends of the support bar being connected to two opposite edges of the clamping rim, respectively.

6. The purification device according to claim 5, wherein the support structure comprises a plurality of support bars; wherein a plurality of support bars are arranged in the horizontal direction, and / or a plurality of support bars are arranged in the vertical direction.

7. The purification device according to claim 3, wherein the fixing portion comprises a plurality of fixing bars; wherein a plurality of fixing bars are arranged in the horizontal direction, and / or a plurality of fixing bars are arranged in the vertical direction.

8. The purification device according to any one of claims 1 to 7, wherein the mounting frame assembly is configured as an arc-shaped structure; and the purification filter element is arranged corresponding to the mounting frame assembly configured as an arc-shaped structure.

9. A fresh air conditioning system, characterized by, comprises: a fan assembly comprising a fan provided with an air inlet end and a housing provided with an air duct in communication with the air inlet end of the fan; and the purification device according to any one of claims 1 to 8 installed in the air duct, and the purification device being arranged corresponding to the air inlet end.

10. The fresh air air conditioning system according to claim 9, wherein the air duct is provided with a slot corresponding to the air inlet end; wherein the purification device can be inserted into the slot. ​

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