Fresh air module, cabinet air conditioner and air conditioner

Abstract

The invention relates to the technical field of indoor fresh air exchange, and discloses a fresh air module which comprises a module shell, a first air inlet and a second air outlet, the module shell comprises a first sub-air cavity and a second sub-air cavity which communicate with the outside, and the first sub-air cavity can be separated from or communicate with the second sub-air cavity; the fan assembly comprises a first fan volute and a second fan volute; the first fan volute comprises a first fan air inlet communicating with the second air sub-cavity and a first fan air outlet communicating with the indoor space. The second fan volute comprises a second fan air inlet communicated with the indoor space and a second fan air outlet communicated with the first sub-air cavity, the second sub-air cavity or the indoor space; in the two-way air exchange mode, outdoor fresh air is sent into a room through the second sub-air cavity, the first fan air inlet and the first fan air outlet; indoor air is exhausted outdoors through the second fan air inlet, the second fan air outlet and the first air sub-cavity. The invention further discloses a cabinet air conditioner and the air conditioner.

Description

Technical Field

[0001] The present application relates to the technical field of indoor fresh air exchange, for example, to a fresh air module, an air conditioner cabinet and an air conditioner. Background Art

[0002] Gases emitted by indoor decoration materials, furniture, and even ornaments and food can lead to poor indoor air quality, affecting people's lives and health, and air purification has gradually received attention. Therefore, more and more air conditioners are equipped with fresh air modules, which introduce outdoor fresh air to improve indoor air quality. However, for indoor rooms with good airtightness, when outdoor fresh air is introduced, the indoor air pressure gradually increases, and the indoor air can only flow to the outside through the gaps in doors and windows, which is more likely to cause an imbalance in indoor and outdoor air pressure, affecting the efficiency of introducing fresh air.

[0003] The related technology provides a fresh air module with dual functions of outdoor fresh air and indoor exhaust. The fresh air module is switched periodically so that the fresh air module can introduce fresh air into the indoor side in one cycle and exhaust air to the outdoor side in another cycle, thereby realizing a "breathing" air purification method.

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

[0005] The fresh air module design in the related art can only perform the fresh air and exhaust air functions alternately, but cannot realize the fresh air and exhaust air running at the same time, and the actual air purification efficiency is low.

[0006] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present application, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field. Summary of the invention

[0007] In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. The summary is not an extensive review, nor is it intended to identify key / critical components or delineate the scope of protection of these embodiments, but rather serves as a prelude to the detailed description that follows.

[0008] The embodiments of the present disclosure provide a fresh air module, an air conditioner cabinet and an air conditioner. The fresh air module can simultaneously introduce outdoor fresh air and exhaust indoor air, which is beneficial to improving air purification efficiency.

[0009] In some embodiments, the fresh air module includes: a module shell, which is configured with an air cavity, the air cavity includes a first sub-air cavity and a second sub-air cavity respectively connected to the outdoors, and the first sub-air cavity can be separated or connected to the second sub-air cavity; a fan assembly includes a first fan volute and a second fan volute; the first fan volute includes a first fan air inlet that can be connected to the second sub-air cavity, and a first fan air outlet connected to the indoor room; the second fan volute includes a second fan air inlet connected to the indoor room, and a second fan air outlet that can be connected to the first sub-air cavity, the second sub-air cavity or the indoor room; wherein the fresh air module includes at least a two-way air exchange mode; in the two-way air exchange mode, outdoor fresh air is sequentially delivered to the indoor room through the second sub-air cavity, the first fan air inlet and the first fan air outlet; the second fan air outlet is connected to the first sub-air cavity, the first sub-air cavity is separated from the second sub-air cavity, and the indoor air is sequentially discharged to the outdoors through the second fan air inlet, the second fan air outlet and the first sub-air cavity.

[0010] In some embodiments, the fresh air module also includes a fresh air mode; in the fresh air mode, the second fan outlet is connected to the indoor room, the first sub-air cavity is connected to the second sub-air cavity, and the fresh air enters the first fan inlet through the first sub-air cavity and the second sub-air cavity, and then is sequentially delivered to the indoor room through the first fan volute and the first fan outlet; the indoor air flows through the second fan inlet, the second fan volute and the second fan outlet in sequence and returns to the indoor room.

[0011] In some embodiments, the fresh air module also includes a mixed wind mode; in the mixed wind mode, the second fan outlet is connected to the second sub-wind cavity, and the first sub-wind cavity is connected to the second sub-wind cavity, wherein a part of the fresh air enters the second sub-wind cavity through the first sub-wind cavity, and another part of the fresh air directly enters the second sub-wind cavity; the indoor air enters the second sub-wind cavity through the second fan inlet and the second fan outlet in turn; after the fresh air and the indoor air are mixed in the second sub-wind cavity, they flow into the room through the first fan inlet and the first fan outlet in turn.

[0012] In some embodiments, the module shell includes: a bellows, arranged on one side of the fan assembly, and its internal space is the wind cavity; a wind cover, arranged in the wind cavity to divide the wind cavity into a first sub-wind cavity located inside the wind cover and a second sub-wind cavity located outside the wind cover; the wind cover includes a movable plate body, and the movable plate body can be moved to separate or connect the first sub-wind cavity and the second sub-wind cavity.

[0013] In some embodiments, the bellows includes a first bellows wall away from the fan assembly, the first bellows wall being configured with a first outdoor connecting port corresponding to the first sub-air cavity, and a second outdoor connecting port corresponding to the second sub-air cavity; the fresh air module also includes: a fresh air duct, inside which is provided with an axially extending partition, the partition divides the internal space of the fresh air duct into a first in-tube air duct and a second in-tube air duct, the first in-tube air duct is connected to the first outdoor connecting port, and the second in-tube air duct is connected to the second outdoor connecting port.

[0014] In some embodiments, the wind hood also includes a first side panel arranged vertically, and the first wind box wall is configured with a through hole; the first end of the first side panel is vertically connected to the first wind box wall, and the first side panel passes through the through hole, dividing the through hole into the first outdoor connecting port and the second outdoor connecting port; wherein the second end of the first side panel is rotatably connected to the pivot axis of the movable plate body, and the movable plate body can rotate around the pivot axis to separate or connect the first sub-wind chamber and the second sub-wind chamber.

[0015] In some embodiments, the module shell also includes: a lower shell, including a connecting portion, a first air duct portion and a second air duct portion; the connecting portion is connected to the second fan air outlet, and the connecting portion is constructed with a first indoor air outlet, a first connecting hole and a second connecting hole; the first end of the first air duct portion is connected to the first connecting hole, and the second end is connected to the first sub-wind cavity; the first end of the second air duct portion is connected to the second connecting hole, and the second end is connected to the second sub-wind cavity; and, a wind blocking assembly, arranged at the connecting portion, can be rotated to a first position to simultaneously block the second connecting hole and the first indoor air outlet, can be rotated to a second position to block the first indoor air outlet and avoid the second connecting hole, and can be rotated to a third position to block the second connecting hole and avoid the first indoor air outlet.

[0016] In some embodiments, the fan assembly also includes: a fan partition, a first fan volute and a second fan volute are arranged on opposite sides of the fan partition; a first wind wheel is arranged in the first fan volute; a second wind wheel is arranged in the second fan volute; and a dual-axis motor includes a first output shaft and a second output shaft, the first output shaft extends into the first fan volute and is fixedly connected to the first wind wheel, and the second output shaft extends into the second fan volute and is fixedly connected to the second wind wheel.

[0017] In some embodiments, the air conditioner cabinet includes: a cabinet casing, a lower portion of which is provided with a accommodating space; and the above-mentioned fresh air module, which is arranged in the accommodating space.

[0018] In some embodiments, the air conditioner includes the above-mentioned air conditioner cabinet.

[0019] The fresh air module, air conditioner cabinet and air conditioner provided in the embodiments of the present disclosure can achieve the following technical effects:

[0020] In the fresh air module of the disclosed embodiment, by connecting the second fan outlet with the first sub-wind chamber of the module housing, the first sub-wind chamber is separated from the second sub-wind chamber, and the outdoor fresh air is sequentially delivered to the room through the second sub-wind chamber, the first fan air inlet and the first fan air outlet; the indoor air is sequentially discharged to the outside through the second fan air inlet, the second fan air outlet and the first sub-wind chamber, so that the fresh air module can realize a two-way air exchange mode. In this way, the fresh air module can simultaneously introduce outdoor fresh air and discharge indoor air, which is conducive to improving air purification efficiency.

[0021] The above general description and the following description are exemplary and explanatory only and are not intended to limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] One or more embodiments are exemplarily described by corresponding drawings, which do not limit the embodiments. Elements with the same reference numerals in the drawings are shown as similar elements, and the drawings do not constitute a scale limitation, and wherein:

[0023] Figure 1 is a structural schematic diagram of a fresh air module provided in an embodiment of the present disclosure;

[0024] Figure 2A is a partial structural schematic diagram of a fresh air module provided in an embodiment of the present disclosure;

[0025] Figure 2B yes Figure 2A Schematic diagram of the structure at another angle;

[0026] Figure 3A is a structural schematic diagram of a fan assembly provided by an embodiment of the present disclosure;

[0027] Figure 3B yes Figure 3A Schematic diagram of the structure at another angle;

[0028] Figure 4 is a structural schematic diagram of another fresh air module provided in an embodiment of the present disclosure;

[0029] Figure 5 is a structural schematic diagram of a new air duct provided by an embodiment of the present disclosure;

[0030] Figure 6 is a schematic structural diagram of a lower housing provided by an embodiment of the present disclosure;

[0031] Figure 7 is a schematic structural diagram of a rotating member provided by an embodiment of the present disclosure;

[0032] Figure 8 is a schematic diagram of a rotating member in a wind blocking assembly provided by an embodiment of the present disclosure in different states;

[0033] Fig. 9 is a structural schematic diagram of an air conditioner cabinet provided by an embodiment of the present disclosure;

[0034] Fig.10 is a structural schematic diagram of another fresh air module provided in an embodiment of the present disclosure;

[0035] Fig.11 It is a partial structural schematic diagram of a fresh air module provided in an embodiment of the present disclosure.

[0036] Reference numerals:

[0037] 1. Module housing; 101. First sub-wind chamber; 102. Second sub-wind chamber; 103. Bellows; 1031. First bellows wall; 1032. Through hole; 1033. Bellows bottom wall; 1034. First bottom wall opening; 1035. Second bottom wall opening; 10321. First outdoor communication port; 10322. Second outdoor communication port; 104. Wind hood; 1041. Movable plate; 1042. First side plate; 2. Fan assembly; 201. First fan volute; 2011. First fan air inlet; 2012. First fan volute; 2013. First fan volute; 2014. First fan volute; 2015. First fan volute; 2016. First fan volute; 2017. First fan volute; 2018. First fan volute; 2019. First fan volute; 2020. First fan volute; 2021. First fan volute; 2022. First fan volute; 2023. First fan volute; 2024. First fan volute; 2025. First fan volute; 2026. First fan volute; 2027. First fan volute; 2028. First fan volute; 2029. First fan volute; 2030. First fan volute; 2031. First fan volute; 2032. First fan volute A fan air outlet; 202, a second fan volute; 2021, a second fan air inlet; 2022, a second fan air outlet; 3, a fresh air duct; 301, a partition; 4, a lower shell; 401, a connecting portion; 4011, a first indoor air outlet; 402, a first air duct portion; 403, a second air duct portion; 5, a wind blocking assembly; 501, a fixed baffle; 502, a rotating part; 5021, a rotating shaft; 5022, an end plate; 5023, a curved side plate; 6, a cabinet casing; 7, a first air guide duct fitting; 8, a second air guide duct fitting. DETAILED DESCRIPTION

[0038] In order to be able to understand the features and technical contents of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure is described in detail below in conjunction with the accompanying drawings. The attached drawings are for reference only and are not used to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, a full understanding of the disclosed embodiments is provided through multiple details. However, one or more embodiments can still be implemented without these details. In other cases, to simplify the drawings, well-known structures and devices can be simplified for display.

[0039] The terms "first", "second", etc. in the specification and claims of the disclosed embodiments and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchanged where appropriate to describe the disclosed embodiments here. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0040] In the embodiments of the present disclosure, the terms "upper", "lower", "inside", "middle", "outside", "front", "back" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. These terms are mainly intended to better describe the embodiments of the present disclosure and their embodiments, and are not intended to limit the indicated devices, elements or components to have a specific direction, or to be constructed and operated in a specific direction. Moreover, in addition to being used to indicate directions or positional relationships, some of the above terms may also be used to indicate other meanings. For example, the term "upper" may also be used to indicate a certain dependency or connection relationship in certain circumstances. For those of ordinary skill in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0041] In addition, the terms "disposed", "connected", and "fixed" should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0042] Unless otherwise stated, the term "plurality" means two or more.

[0043] In the embodiment of the present disclosure, the character " / " indicates that the preceding and following objects are in an "or" relationship. For example, A / B indicates: A or B.

[0044] The term "and / or" is a description of the association relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or, A and B.

[0045] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

[0046] In a first aspect, an embodiment of the present disclosure provides a fresh air module.

[0047] Combination Figures 1 to 4 As shown, the fresh air module provided in the embodiment of the present disclosure includes a module housing 1 and a fan assembly 2.

[0048] The module housing 1 is configured with a wind cavity, which includes a first sub-wind cavity 101 and a second sub-wind cavity 102 respectively communicated with the outdoors, and the first sub-wind cavity 101 can be separated from or communicated with the second sub-wind cavity 102 .

[0049] The fan assembly 2 includes a first fan volute 201 and a second fan volute 202. The first fan volute 201 includes a first fan air inlet 2011 that can communicate with the second sub-wind cavity 102, and a first fan air outlet 2012 that communicates with the room. The second fan volute 202 includes a second fan air inlet 2021 that communicates with the room, and a second fan air outlet 2012 that can communicate with the first sub-wind cavity 101, the second sub-wind cavity 102 or the room.

[0050] The fresh air module at least includes a two-way air exchange mode; in the two-way air exchange mode, outdoor fresh air is sequentially delivered to the room through the second sub-air cavity 102, the first fan air inlet 2011 and the first fan air outlet 2012. The second fan air outlet 2022 is connected to the first sub-air cavity 101, and the first sub-air cavity 101 is separated from the second sub-air cavity 102. The indoor air is sequentially discharged to the outside through the second fan air inlet 2021, the second fan air outlet 2022 and the first sub-air cavity 101.

[0051] In the disclosed embodiment, the fresh air module is connected with the first sub-wind chamber 101 of the module housing 1 by making the second fan outlet 2022 communicate with the first sub-wind chamber 101, and the first sub-wind chamber 101 is separated from the second sub-wind chamber 102. The outdoor fresh air is sequentially delivered to the room through the second sub-wind chamber 102, the first fan air inlet 2011, and the first fan air outlet 2012; the indoor air is sequentially discharged to the outside through the second fan air inlet 2021, the second fan air outlet 2022, and the first sub-wind chamber 101, so that the fresh air module can realize a two-way air exchange mode. In this way, the fresh air module can simultaneously introduce outdoor fresh air and discharge indoor air, which is conducive to improving air purification efficiency.

[0052] It can be understood that the fan assembly 2 includes a first fan and a second fan, the first fan includes a first fan volute 201 , and the second fan includes a second fan volute 202 .

[0053] Optionally, combined Figure 1 As shown, the second fan air inlet 2021 is arranged upward, and the second fan air outlet 2022 is arranged downward. In this way, the arrangement of the fresh air module is convenient, and the two-way fresh air exchange is realized in cooperation with other structures.

[0054] Optionally, the size of the first fan volute 201 is larger than the size of the second fan volute 202. The volume ratio of the first sub-wind chamber 101 to the second sub-wind chamber 102 ranges from 1:1 to 1:2. For example, the volume ratio of the first sub-wind chamber 101 to the second sub-wind chamber 102 is 1:1, 1:1.3, 1:1.5, 1:1.6, 1:1.8 or 1:2, etc.

[0055] With this setting, the fresh air volume introduced by the fresh air module is slightly larger than the exhaust volume, which can keep the indoor air under a slight positive pressure. Since most indoor spaces are not completely sealed, the slight positive pressure can prevent unfiltered outdoor air from entering the room directly through gaps such as doors and windows.

[0056] Optionally, a first filter element is provided at the first fan air inlet 2011. The first filter element is used to filter the gas entering the first fan air inlet 2011, reduce the content of particulate matter in the fresh air, and improve the comfort of the fresh air. The first filter element includes a HEPA filter.

[0057] In some embodiments, the fresh air module further includes a fresh air mode. In the fresh air mode, the second fan air outlet 2022 is connected to the room, and the first sub-air cavity 101 is connected to the second sub-air cavity 102. The fresh air enters the first fan air inlet 2011 through the first sub-air cavity 101 and the second sub-air cavity 102, and then is sequentially delivered to the room through the first fan volute 201 and the first fan air outlet 2012. The indoor air flows sequentially through the second fan air inlet 2021, the second fan volute 202 and the second fan air outlet 2022 back to the room.

[0058] In this way, only by switching the connection state of the second fan outlet 2022 and the connection state of the first sub-air cavity 101 and the second sub-air cavity 102, different wind path connection states corresponding to the fresh air mode and the two-way air exchange mode can be formed, which is convenient for switching the air intake mode of the fresh air module. In addition, the fresh air intake mode can be adjusted based on the indoor air quality, which is conducive to improving the indoor air quality more quickly, while reducing the external discharge of heat / cold, and saving energy.

[0059] For example, when the indoor particulate matter content exceeds the standard, the fresh air mode is turned on, and the first fan is used to introduce outdoor fresh air to continuously improve the indoor air quality and ensure the comfort of users. At the same time, the second fan is used to absorb indoor air, and the filter of the second fan is used to remove the particulate matter in the indoor air, and then the filtered indoor air is sent back to the room. Using the second fan to filter the indoor air can not only reduce the particulate matter content in the indoor air and solve the problem of excessive indoor particulate matter content, but also reduce the heat / cold discharge and improve the energy efficiency of the air conditioner.

[0060] On the contrary, if the second fan is used to discharge the indoor air, although it can solve the problem of excessive indoor particulate matter content, the discharge of the hotter / colder indoor air will cause a loss of some heat / coldness, resulting in an increase in the energy consumption of the air conditioner.

[0061] In some embodiments, the fresh air module also includes a mixed wind mode. In the mixed wind mode, the second fan outlet 2022 is connected to the second sub-wind cavity 102, and the first sub-wind cavity 101 is connected to the second sub-wind cavity 102, wherein a portion of the fresh air enters the second sub-wind cavity 102 through the first sub-wind cavity 101, and another portion of the fresh air directly enters the second sub-wind cavity 102; the indoor air enters the second sub-wind cavity 102 through the second fan inlet 2021, the second fan outlet 2022 and the first sub-wind cavity 101 in sequence; the fresh air and the indoor air are mixed in the second sub-wind cavity 102, and then flow into the room through the first fan inlet and the first fan outlet in sequence.

[0062] In this way, only by switching the connection state of the second fan outlet 2022 and the connection state of the first sub-wind chamber 101 and the second sub-wind chamber 102, different wind path connection states corresponding to the mixed wind mode, the fresh wind mode and the two-way wind exchange mode can be formed, which is convenient for switching the air intake mode of the fresh air module. In addition, the fresh air intake mode can be adjusted based on the indoor air quality, which is conducive to improving the indoor air quality more quickly, while reducing the external discharge of heat / cold, and saving energy.

[0063] In some embodiments, in combination Figure 2A and Fig.11 As shown, the module housing 1 includes a wind box 103 and a wind shield 104. The wind box 103 is arranged on one side of the fan assembly 2, and its internal space is a wind cavity. The wind shield 104 is arranged in the wind cavity to divide the wind cavity into a first sub-wind cavity 101 located inside the wind shield and a second sub-wind cavity 102 located outside the wind shield. The wind shield 104 includes a movable plate body 1041, and the movable plate body 1041 can be moved to separate or connect the first sub-wind cavity 101 with the second sub-wind cavity 102.

[0064] With such arrangement, by rotating the movable plate 1041 of the wind hood 104, the first sub-wind chamber 101 and the second sub-wind chamber 102 can be separated or connected, which is relatively convenient. At the same time, it is convenient to cooperate with the rest of the structure of the fresh air module to form different wind path connection states corresponding to the mixed wind mode, the fresh air mode and the two-way air exchange mode. In addition, in the two-way fresh air exchange mode, indoor air circulates in the first sub-wind chamber 101, and outdoor fresh air circulates in the second sub-wind chamber 102. The wind hood 104 is arranged in the second sub-wind chamber 102, which is conducive to the heat exchange between the outdoor fresh air and the indoor air through the wall of the wind hood 104, recovering the heat in the indoor air, reducing the temperature difference between the outdoor fresh air and the indoor air, and improving the comfort of the fresh air.

[0065] As for the wind box 103 , the wind box 103 includes a first wind box wall 1031 away from the fan assembly, and the first wind box wall 1031 is configured with a through hole 1032 .

[0066] The bellows also includes a bellows bottom wall 1033, which is configured with a first bottom wall opening 1034 and a second bottom wall opening 1035. The wind shield 104 is sleeved on the first bottom wall opening 1034, so that the first bottom wall opening 1034 is connected to the first sub-wind chamber 101. The second bottom wall opening 1035 is connected to the second sub-wind chamber 102.

[0067] For the wind shield 104, combined Fig.11 As shown, the wind hood 104 includes a movable plate body 1041, a first side plate 1042, a second side plate and an upper end plate. The first side plate 1042, the second side plate and the movable plate body 1041 are all arranged vertically, and the upper end plate is arranged horizontally. The first side plate 1042 and the second side plate are arranged opposite to each other and are parallel to each other. The bottom ends of the first side plate 1042 and the second side plate are both connected to the bellows bottom wall 1033, the side ends away from the fan assembly 2 are both connected to the first bellows wall 1031, the top ends are respectively connected to the two side ends of the upper end plate, and the side ends close to the fan assembly 2 are all connected to the movable plate body 1041. Each plate body of the wind hood, the bellows bottom wall 1033 and the first bellows wall 1031 enclose and define the first sub-air chamber 101.

[0068] Optionally, the wind shield 104 further includes a first side plate 1042 arranged vertically, and the first wind box wall 1031 is configured with a through hole 1032. The first end of the first side plate 1042 is vertically connected to the first wind box wall 1031, and the first side plate 1042 passes through the through hole 1032, and the through hole 1032 is divided into a first outdoor communication port 10321 located in the first sub-wind chamber 101, and a second outdoor communication port 10322 located in the second sub-wind chamber 102. The second end of the first side plate 1042 is rotatably connected to the pivot axis of the movable plate body 1041, and the movable plate body 1041 can rotate around the pivot axis to separate or connect the first sub-wind chamber 101 with the second sub-wind chamber 102.

[0069] By designing the position of the first side plate 1042, the through hole 1032 of the first wind box wall 1031 is divided into a first outdoor connecting port 10321 and a second outdoor connecting port 10322, so that the first sub-wind chamber 101 and the second sub-wind chamber 102 can be connected to the outside respectively, simplifying the structure. At the same time, it is convenient for the first outdoor connecting port 10321 and the second outdoor connecting port 10322 to cooperate with the fresh air duct, and the air inlet and outlet requirements of the first sub-wind chamber 101 and the second sub-wind chamber 102 are met by a single fresh air duct. The wind hood is arranged in the second sub-wind chamber 102, and a movable plate body 1041 is arranged on the wind hood 104. By rotating the movable plate body 1041 and changing the position of the movable plate body 1041, the first sub-wind chamber 101 and the second sub-wind chamber 102 can be connected or separated, and the structure is simple and easy to implement.

[0070] Optionally, the first wind box wall is configured with a first outdoor communication port 10321 corresponding to the first sub-wind chamber 101, and a second outdoor communication port 10322 corresponding to the second sub-wind chamber 102. Figure 5 As shown, the fresh air module also includes a fresh air duct 3, which is internally provided with a partition 301 extending axially. The partition 301 divides the internal space of the fresh air duct into a first in-tube air duct and a second in-tube air duct. The first in-tube air duct is connected to the first outdoor connecting port 10321, and the second in-tube air duct is connected to the second outdoor connecting port 10322.

[0071] With such an arrangement, the air inlet and outlet requirements of the first sub-air cavity 101 and the second sub-air cavity 102 can be met by a single new air duct, which is beneficial to reducing the number of openings in the wall.

[0072] Optionally, the material of the partition 301 is a heat-conducting material so that the gas in the first tube air duct and the second tube air duct can exchange heat. This arrangement is convenient for recovering the heat / coldness in the exhausted indoor air, and using the heat / coldness in the exhausted indoor air to heat / cool the introduced outdoor fresh air, which is conducive to improving the comfort of the introduced outdoor fresh air.

[0073] In some embodiments, in combination Figure 1 , Figure 4 and Figure 6 The module housing 1 also includes a lower housing 4 and a wind blocking assembly 5 .

[0074] The lower housing 4 includes a connecting portion 401, a first air duct portion 402, and a second air duct portion 403. The connecting portion 401 is connected to the second fan air outlet 2022, and the connecting portion 401 is configured with a first indoor air outlet 4011, a first connecting hole, and a second connecting hole. The first end of the first air duct portion 402 is connected to the first connecting hole, and the second end is connected to the first bottom wall opening 1034. The first end of the second air duct portion 403 is connected to the second connecting hole, and the second end is connected to the second bottom wall opening 1035.

[0075] The wind blocking assembly 5 is arranged at the connecting portion 401, and the wind blocking assembly 5 can be rotated to the first position to simultaneously block the second connecting hole and the first indoor air outlet, so that the gas discharged from the second fan air outlet 2022 flows to the first sub-air cavity 101 through the first connecting hole and the first air channel portion 402. The wind blocking assembly 5 can be rotated to the second position to block the first indoor air outlet 4011 and avoid the second connecting hole, so that the gas discharged from the second fan air outlet 2022 flows to the second sub-air cavity 102 through the second connecting hole and the second air channel portion 403. The wind blocking assembly 5 can be rotated to the third position to block the second connecting hole and avoid the first indoor air outlet 4011, so that the gas discharged from the second fan air outlet 2022 flows to the room through the first indoor air outlet 4011.

[0076] By providing the first air channel portion 402, the first sub-air cavity 101 can be connected to the second fan air outlet 2022. By providing the second air channel portion 403, the second sub-air cavity 102 can be connected to the second fan air outlet. By providing the wind blocking component 5, it is convenient to switch the connection state of the second fan air outlet 2022, and by switching the connection state of the first sub-air cavity and the second sub-air cavity, different air path connection states corresponding to the mixed wind mode, the fresh wind mode and the two-way air exchange mode can be formed.

[0077] Optionally, the first connecting hole is arranged at the first end of the connecting part 401 , the second fan air outlet 2022 is connected to the first end of the connecting part 401 , and the first indoor air outlet 4011 and the second connecting hole are arranged at the second end of the connecting part 401 .

[0078] Optionally, combined Figure 7 and Figure 8 The wind blocking assembly 5 includes a fixed baffle 501 and a rotating member 502 .

[0079] The fixed baffle 501 is disposed inside the connecting portion 401 and is located in the middle of the connecting portion 401. The fixed baffle 501 includes two right-angle sectors with connected ends and central symmetry, and the arc-shaped end surfaces of the two right-angle sectors are respectively fixedly connected to the inner wall of the connecting portion 401. The fixed baffle 501 and the inner wall of the connecting portion 401 enclose a notch having the same shape as the fixed baffle 501.

[0080] The rotating member 502 is arranged inside the connecting portion 401 and is located on the side of the fixed baffle 501 close to the first indoor air outlet 4011. The rotating member 502 includes a rotating shaft 5021, an end plate 5022 and an arc-shaped side plate 5023. The rotating shaft 5021 is parallel to the extending direction of the connecting portion 401. The end plate 5022 is arranged on the side of the rotating shaft 5021 close to the fixed baffle 501, and the shape of the end plate 5022 is the same as that of the fixed baffle 501. The end plate 5022 defines a first fan-shaped notch and a second fan-shaped notch, and the arc-shaped side plate 5023 includes an arc-shaped end surface close to the end plate 5022, and the arc-shaped end surface coincides with the arc-shaped contour of the first fan-shaped notch.

[0081] Combination Figure 8 A, when the wind blocking assembly 5 rotates to the first position, the end plate 5022 overlaps with the notch to simultaneously block the second connecting hole and the first indoor air outlet. Figure 8 B. When the wind blocking assembly 5 rotates to the second position, the end plate 5022 overlaps with the fixed baffle 501, and the arc-shaped side plate 5023 corresponds to the first indoor air outlet 4011 to block the first indoor air outlet 4011 and avoid the second connecting hole. Figure 8C. When the wind blocking assembly 5 rotates to the third position, the end plate 5022 overlaps with the fixed baffle 501 , and the arc-shaped side plate 5023 corresponds to the two connecting holes to block the second connecting hole and avoid the first indoor air outlet 4011 .

[0082] In some embodiments, the fan assembly 2 further includes a fan baffle, a first fan wheel, a second fan wheel and a dual-axis motor. The first fan volute 201 and the second fan volute 202 are arranged on opposite sides of the fan baffle. The first fan wheel is arranged in the first fan volute 201. The second fan wheel is arranged in the second fan volute 202. The dual-axis motor includes a first output shaft and a second output shaft, the first output shaft extends into the first fan volute 201 and is fixedly connected to the first fan wheel, and the second output shaft extends into the second fan volute 202 and is fixedly connected to the second fan wheel.

[0083] Exemplarily, when the fresh air module is in the two-way air exchange mode, the wind blocking assembly 5 rotates to the first position, and the movable plate body is unfolded to separate the first sub-air cavity 101 and the second sub-air cavity 102. Outdoor fresh air is sequentially delivered to the room through the second sub-air cavity 102, the first fan air inlet 2011 and the first fan air outlet 2012. Indoor air is sequentially discharged to the outside through the second fan air inlet 2021, the second fan air outlet 2022, the first air duct portion 402 and the first sub-air cavity 101.

[0084] When the fresh air module is in the fresh air mode, the wind blocking assembly 5 rotates to the third position and the movable baffle is folded to connect the first sub-air cavity 101 and the second sub-air cavity 102. The fresh air enters the first fan air inlet 2011 through the first sub-air cavity 101 and the second sub-air cavity 102, and then is sequentially delivered to the room through the first fan volute 201 and the first fan air outlet 2012. The indoor air flows sequentially through the second fan air inlet 2021, the second fan volute 202 and the second fan air outlet 2022 back to the room.

[0085] When the fresh air module is in the mixed air mode, the wind blocking component 5 rotates to the second position and the movable baffle is folded to connect the first sub-air cavity 101 with the second sub-air cavity 102. A part of the fresh air enters the second sub-air cavity 102 through the first sub-air cavity 101, and another part of the fresh air directly enters the second sub-air cavity 102; the indoor air enters the second sub-air cavity 102 through the second fan air inlet 2021, the second fan air outlet 2022 and the second air duct part 403 in sequence; the fresh air and the indoor air are mixed in the second sub-air cavity 102, and then flow into the room through the first fan air inlet and the first fan air outlet in sequence.

[0086] Optionally, combined Fig.10As shown, the fresh air module further includes a first air guide duct 7. The first port of the first air guide duct 7 is connected to the first indoor air outlet 4011, and the second port of the first air guide duct 7 extends upward. This is conducive to increasing the outlet height of the fresh air and improving the fresh air effect.

[0087] Optionally, a second filter element is disposed at the second port of the first air guide pipe 7. For example, the second filter element is a HEPA filter.

[0088] Optionally, combined Fig.10 As shown, the fresh air module also includes a second air guide duct 8. The bottom wall of the second air guide duct 8 is provided with a first port, which is connected to the first fan outlet 2012, and the two side ends of the second air guide duct 8 are provided with a second port and a third port. In this way, the uniformity of the fresh air is improved. The second port and the third port of the second air guide duct 8 are both provided with a filter element, for example, a HEPA filter.

[0089] In a second aspect, an embodiment of the present disclosure provides an air conditioner cabinet.

[0090] Combination Fig. 9 As shown, the air conditioner cabinet provided by the embodiment of the present disclosure includes a cabinet housing 6 and a fresh air module of any of the above embodiments. A storage space is provided at the lower portion of the cabinet housing 6. Based on the inclusion of the above fresh air module, the beneficial effects of the fresh air module are also included, which will not be described one by one here.

[0091] Optionally, the cabinet housing 6 is provided with avoidance holes corresponding to the second port of the first air guide duct 7, the second port of the second air guide duct 8, and the third port of the second air guide duct 8. In this way, fresh air is easily delivered into the room.

[0092] Optionally, the fresh air air conditioner further includes a control module. The control module is configured to: the fresh air air conditioner detects the carbon dioxide concentration and particulate matter content in the room. The fresh air air conditioner determines an operation strategy of the fresh air air conditioner according to the carbon dioxide concentration and particulate matter content in the room. The operation strategy includes operating one of a two-way fresh air exchange mode, a fresh air mode, or a mixed air mode.

[0093] Such a setting can determine the operating strategy that is compatible with the indoor air quality according to the indoor carbon dioxide concentration and particulate matter content, which is conducive to meeting the demand for fresh air exchange in different situations and improving the indoor air purification effect and the comfort of the fresh air.

[0094] It is understandable that the fresh air air conditioner periodically detects the indoor carbon dioxide concentration and particulate matter content, and re-determines the operation strategy of the fresh air air conditioner based on the indoor carbon dioxide concentration and particulate matter content. After the fresh air air conditioner runs for a cycle, the indoor air quality is improved to a certain extent. Re-determining the operation strategy of the fresh air air conditioner based on the indoor carbon dioxide concentration and particulate matter content is conducive to saving energy consumption and improving air supply quality.

[0095] The cycle includes a time cycle. For example, at every preset time interval, the fresh air air conditioner detects the indoor carbon dioxide concentration and particulate matter content.

[0096] In some embodiments, the fresh air air conditioner determines the operation strategy of the fresh air air conditioner according to the indoor carbon dioxide concentration and particulate matter content, including: when the indoor carbon dioxide concentration is greater than or equal to the carbon dioxide concentration threshold, determining that the fresh air air conditioner operates in a two-way fresh air exchange mode. When the indoor carbon dioxide concentration is less than the carbon dioxide concentration threshold and the indoor particulate matter content is greater than or equal to the particulate matter content threshold, the fresh air air conditioner determines that the fresh air air conditioner operates in a fresh air mode or a mixed air mode.

[0097] With this configuration, when the carbon dioxide concentration exceeds the standard, the fresh air air conditioner operates in a two-way fresh air exchange mode, where the fresh air air conditioner introduces outdoor fresh air while exhausting the indoor air with excessive carbon dioxide, which can quickly replace the indoor air, reduce the indoor carbon dioxide content, and improve the user's comfort. When the indoor carbon dioxide concentration is less than the carbon dioxide concentration threshold and the indoor particulate matter content is greater than or equal to the particulate matter content threshold, the indoor air quality can be improved quickly, while reducing the external discharge of heat / cold, saving energy.

[0098] In some embodiments, when the fresh air air conditioner is operated in winter, determining that the fresh air air conditioner operates in a fresh air mode or a mixed air mode includes: the fresh air air conditioner obtains the indoor dew point temperature and the outdoor temperature. When the outdoor temperature is greater than or equal to the indoor dew point temperature, determining that the fresh air air conditioner operates in a mixed air mode.

[0099] When the outdoor temperature is greater than or equal to the indoor dew point temperature, the air conditioner operates in mixed wind mode, and the fresh air and indoor air are mixed in the second sub-wind chamber and then sent into the room. At this time, the temperature difference between the fresh air and the indoor air is small, and the two are mixed in the second sub-wind chamber, which will not cause condensation in the second sub-wind chamber. At the same time, the indoor air can be used to increase the temperature of the fresh air, which is conducive to reducing the temperature difference between the fresh air and the indoor air and improving the comfort of the fresh air.

[0100] In some embodiments, when the fresh air air conditioner operates in a mixed air mode, the fresh air and indoor air are mixed in the second sub-air chamber and then sent indoors, and the fresh air air conditioner further includes a heating element. When the fresh air air conditioner operates in winter, determining whether the fresh air air conditioner operates in a fresh air mode or a mixed air mode further includes: when the outdoor temperature is lower than the indoor dew point temperature, determining that the fresh air air conditioner operates in a mixed air mode, and controlling the heating element to be turned on, using the heating element to heat the outdoor fresh air entering the fresh air air conditioner to avoid condensation in the second sub-air chamber.

[0101] Such a setting can reduce the temperature difference between the fresh air and the indoor air, improve the comfort of the fresh air, and at the same time, avoid condensation in the second sub-wind chamber, and improve the reliability of the fresh air air conditioner. Specifically, when the outdoor temperature is lower than the indoor dew point temperature, the air conditioner operates in a mixed wind mode, and the fresh air and indoor air are mixed in the second sub-wind chamber and then sent into the room. The indoor air is used to increase the temperature of the fresh air, which is conducive to reducing the temperature difference between the fresh air and the indoor air and improving the comfort of the fresh air. In addition, due to the large temperature difference between the fresh air and the indoor air, the two are directly mixed in the second sub-wind chamber, which will cause condensation in the second sub-wind chamber, posing safety hazards such as electric shock or short circuit. Using a heating element to heat the outdoor fresh air entering the fresh air air conditioner can reduce the temperature difference between the fresh air and the indoor air, avoid condensation in the fresh air module due to mixed air, and help improve the reliability of the fresh air air conditioner.

[0102] Optionally, controlling to turn on the heating element includes: turning on the heating element to heat the outdoor fresh air entering the fresh air air conditioner to a first temperature, wherein the first temperature is greater than or equal to the indoor dew point temperature.

[0103] Here, the first temperature refers to a temperature value at which the outdoor fresh air entering the fresh air air conditioner is less likely to produce condensation.

[0104] When the fresh air air conditioner is in mixed air mode, indoor air and outdoor fresh air are mixed in the second sub-air cavity. The outdoor fresh air with a lower temperature and the indoor air with a higher temperature are mixed in the second sub-air cavity, which will produce condensation in the second sub-air cavity. By heating the outdoor fresh air to the first temperature, condensation in the second sub-air cavity can be avoided, thereby improving the reliability of the fresh air air conditioner. At the same time, it is beneficial to increase the temperature of the mixed air, reduce the temperature difference between the mixed air and the indoor air, and improve the comfort of the fresh air supply.

[0105] For example, when the fresh air air conditioner is running in winter, the indoor dew point temperature is 10° C. and the outdoor temperature is 5° C. When the outdoor temperature is lower than the indoor dew point temperature, the fresh air air conditioner runs in mixed wind mode and controls the heating element to be turned on, and uses the heating element to heat the outdoor fresh air entering the fresh air air conditioner.

[0106] When the fresh air air conditioner is running in winter, the indoor dew point temperature is 10°C and the outdoor temperature is 12°C. When the outdoor temperature is higher than the indoor dew point temperature, the fresh air air conditioner runs in mixed wind mode.

[0107] Optionally, when the fresh air air conditioner is operated in summer, determining whether the fresh air air conditioner operates in the fresh air mode or the mixed air mode includes: obtaining the outdoor dew point temperature and the indoor temperature. When the indoor temperature is greater than or equal to the outdoor dew point temperature, determining that the fresh air air conditioner operates in the mixed air mode. When the indoor temperature is less than the outdoor dew point temperature, determining that the fresh air air conditioner operates in the fresh air mode.

[0108] When the indoor temperature is greater than or equal to the outdoor dew point temperature, the temperature difference between the fresh air and the indoor air is small, and no condensation will occur when the two meet. At this time, the air conditioner runs in mixed wind mode, and the indoor air and outdoor fresh air are mixed and sent indoors. The indoor air can be used to lower the temperature of the outdoor fresh air and improve the comfort of the fresh air. When the indoor temperature is lower than the outdoor dew point temperature, the temperature difference between the fresh air and the indoor air is large. At this time, if the mixed wind mode is run, condensation is likely to occur in the second sub-wind chamber, causing safety hazards. Therefore, when the indoor temperature is lower than the outdoor dew point temperature, the fresh air air conditioner runs in fresh air mode, introduces outdoor fresh air to quickly update the indoor air, and at the same time can avoid condensation inside the fresh air air conditioner, which is beneficial to improving the reliability of the fresh air air conditioner.

[0109] For example, when the fresh air air conditioner is operated in summer, the outdoor dew point temperature is 30° C. and the indoor temperature is 27° C. When the indoor temperature is lower than the outdoor dew point temperature, the fresh air air conditioner operates in the fresh air mode.

[0110] When the fresh air air conditioner is running in summer, the outdoor dew point temperature is 26°C and the indoor temperature is 27°C. When the indoor temperature is higher than the outdoor dew point temperature, the fresh air air conditioner runs in mixed wind mode.

[0111] In a third aspect, an embodiment of the present disclosure provides an air conditioner. The air conditioner provided by the embodiment of the present disclosure includes the air conditioner cabinet of any of the above embodiments. Based on the inclusion of the above air conditioner cabinet, the beneficial effects of the air conditioner cabinet are also included, which will not be repeated here.

[0112] The above description and the accompanying drawings sufficiently illustrate the embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Unless explicitly required, individual components and functions are optional, and the order of operations may vary. Portions and features of some embodiments may be included in or replace portions and features of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A fresh air module, characterized in that: include: The module housing is configured with a wind cavity, wherein the wind cavity includes a first sub-wind cavity and a second sub-wind cavity respectively connected to the outdoors, and the first sub-wind cavity can be separated from or connected to the second sub-wind cavity; The fan assembly includes a first fan volute and a second fan volute; the first fan volute includes a first fan air inlet that can be communicated with the second sub-wind cavity, and a first fan air outlet that is communicated with the room; the second fan volute includes a second fan air inlet that is communicated with the room, and a second fan air outlet that can be communicated with the first sub-wind cavity, the second sub-wind cavity or the room; Among them, the fresh air module includes at least a two-way air exchange mode; in the two-way air exchange mode, outdoor fresh air is sequentially delivered to the room through the second sub-air cavity, the first fan air inlet and the first fan air outlet; the second fan air outlet is connected to the first sub-air cavity, and the first sub-air cavity is separated from the second sub-air cavity, and the indoor air is sequentially discharged to the outside through the second fan air inlet, the second fan air outlet and the first sub-air cavity.

2. The fresh air module according to claim 1, characterized in that: The fresh air module also includes a fresh air mode; in the fresh air mode, the second fan outlet is connected to the indoor room, the first sub-air cavity is connected to the second sub-air cavity, and the fresh air enters the first fan air inlet through the first sub-air cavity and the second sub-air cavity, and then is sequentially transported to the indoor room through the first fan volute and the first fan outlet; the indoor air flows through the second fan inlet, the second fan volute and the second fan outlet in sequence and returns to the indoor room.

3. The fresh air module according to claim 1, characterized in that: The fresh air module also includes a mixed wind mode; in the mixed wind mode, the second fan outlet is connected to the second sub-wind cavity, and the first sub-wind cavity is connected to the second sub-wind cavity, wherein a part of the fresh air enters the second sub-wind cavity through the first sub-wind cavity, and another part of the fresh air directly enters the second sub-wind cavity; the indoor air enters the second sub-wind cavity through the second fan inlet and the second fan outlet in turn; after the fresh air and the indoor air are mixed in the second sub-wind cavity, they flow into the room through the first fan inlet and the first fan outlet in turn.

4. The fresh air module according to claim 1, characterized in that: The module housing includes: A bellows, arranged on one side of the fan assembly, the inner space of which is the wind cavity; The wind hood is arranged in the wind cavity to divide the wind cavity into the first sub-wind cavity located inside the wind hood and the second sub-wind cavity located outside the wind hood; the wind hood includes a movable plate body, which can be moved to separate or connect the first sub-wind cavity with the second sub-wind cavity.

5. The fresh air module according to claim 4, characterized in that: The wind box includes a first wind box wall away from the fan assembly, the first wind box wall is configured with a first outdoor communication port corresponding to the first sub-wind cavity, and a second outdoor communication port corresponding to the second sub-wind cavity; The fresh air module also includes: The fresh air duct is provided with a partition extending in the axial direction inside, and the partition divides the internal space of the fresh air duct into a first in-duct air duct and a second in-duct air duct. The first in-duct air duct is connected to the first outdoor connecting port, and the second in-duct air duct is connected to the second outdoor connecting port.

6. The fresh air module according to claim 5, characterized in that: The wind hood also includes a first side panel arranged vertically, and the first wind box wall is configured with a through hole; the first end of the first side panel is vertically connected to the first wind box wall, and the first side panel passes through the through hole, dividing the through hole into the first outdoor connecting port and the second outdoor connecting port; wherein the second end of the first side panel is rotatably connected to the pivot axis of the movable plate body, and the movable plate body can rotate around the pivot axis to separate or connect the first sub-wind chamber and the second sub-wind chamber.

7. The fresh air module according to any one of claims 1 to 6, characterized in that: The module housing also includes: The lower shell includes a connecting portion, a first air duct portion, and a second air duct portion; the connecting portion is connected to the second fan air outlet, and the connecting portion is configured with a first indoor air outlet, a first connecting hole, and a second connecting hole; the first end of the first air duct portion is connected to the first connecting hole, and the second end is connected to the first sub-air cavity; the first end of the second air duct portion is connected to the second connecting hole, and the second end is connected to the second sub-air cavity; and, The wind blocking assembly is arranged at the connecting part, and can be rotated to a first position to simultaneously block the second connecting hole and the first indoor air outlet, can be rotated to a second position to block the first indoor air outlet and avoid the second connecting hole, and can be rotated to a third position to block the second connecting hole and avoid the first indoor air outlet.

8. The fresh air module according to any one of claims 1 to 6, characterized in that: The fan assembly also includes: A fan partition, a first fan volute and a second fan volute are arranged on opposite sides of the fan partition; A first wind wheel is disposed in a first wind turbine volute; A second wind wheel is disposed in a second wind turbine volute; and The dual-shaft motor comprises a first output shaft and a second output shaft, wherein the first output shaft extends into the first fan volute and is fixedly connected to the first wind wheel, and the second output shaft extends into the second fan volute and is fixedly connected to the second wind wheel.

9. An air conditioner cabinet, characterized in that: include: The cabinet casing has a storage space at the bottom; and, The fresh air module according to any one of claims 1 to 8 is arranged in the accommodating space.

10. An air conditioner, characterized in that: Comprising the air conditioner cabinet as described in claim 9.

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