CN217844177U - Fresh air module and air conditioner - Google Patents

Abstract

The utility model provides a new trend module and air conditioner belongs to air conditioner technical field. The new trend module includes casing, fan, new trend filter screen and purification filter screen. The casing sets up the wind chamber and the fan chamber that communicate each other, and the fan sets up in the fan chamber, and new trend filter screen and purification filter screen are all installed in the wind chamber, and the casing is provided with the new trend air intake, the dirty wind air intake that communicate with the wind chamber and purifies the air intake and communicate with the fan chamber air outlet. The fresh air module is in the fresh air mode, and the fan can make outdoor wind flow into the wind chamber from the fresh air inlet, flow into the fan chamber after the fresh air filter screen and discharge to indoor by the air outlet. The new trend module is under the purification mode, and the fan can make indoor dirty wind flow into behind the wind chamber by purifying the air intake to flow into behind the fan chamber behind purifying the filter screen, discharge indoor by the air outlet again. The fresh air module is in the blowdown wind mode, and the fan can make indoor dirty wind flow into the wind chamber by dirty wind air intake after, and then flow into the fan chamber and arrange to outdoor by the air outlet. Can realize the functions of fresh air, purification and pollution discharge.

Description

Fresh air module and air conditioner

technical field

The utility model relates to the technical field of air conditioners, in particular to a fresh air module and an air conditioner.

Background technique

At present, with the improvement of the quality of life of the people, the functional requirements of users for air conditioners are not limited to cooling and heating, but also require the freshness of indoor air. Therefore, the air conditioner in the prior art generally introduces a fresh air function to improve user comfort and improve the user's indoor environment.

However, the existing fresh air module installed on the air conditioner can only realize the fresh air function, resulting in a single function.

Utility model content

The technical problem solved by the utility model is that the function of the existing fresh air module is single.

In order to solve the above problems, embodiments of the present utility model provide a fresh air module and an air conditioner, which can also realize the functions of indoor air purification and sewage discharge while realizing the fresh air function.

In the first aspect, the utility model provides a fresh air module, including a housing, a fan, a fresh air filter and a purification filter;

The housing is provided with an air chamber and a fan chamber which communicate with each other, the fan is arranged in the fan chamber, the fresh air filter and the purification filter are installed in the air chamber, and the housing is provided with There are fresh air inlets, dirty air inlets, and purified air inlets connected to the air chamber, and an air outlet connected to the fan chamber;

When the fresh air module is in the fresh air mode, the fan can make the outdoor wind flow into the air cavity from the fresh air inlet, flow into the fan cavity after passing through the fresh air filter, and be discharged into the room from the air outlet;

When the fresh air module is in the purification mode, the fan can make the indoor dirty air flow into the air chamber through the purification air inlet, and then flow into the fan chamber through the purification filter, and then flow into the fan chamber from the outlet. The air outlet is discharged into the room;

When the fresh air module is in the sewage air mode, the fan can make the indoor sewage air flow into the air chamber through the sewage air inlet, then flow into the fan chamber, and be discharged to the outside through the air outlet.

In this application, the fresh air inlet, the dirty air inlet and the purification air inlet connected with the air chamber are arranged on the shell, and the air outlet connected with the fan chamber is provided, and the fresh air filter and the filter screen are arranged in the air chamber. A fan is arranged in the fan cavity, so that when in use, one of the fresh air inlet, the dirty air inlet and the purification air inlet can be opened to realize the functions of fresh air, purification and sewage discharge respectively, and the fresh air inlet and purification inlet can also be opened at the same time. The air outlet can simultaneously realize the functions of introducing outdoor fresh air and purifying indoor dirty air, thereby solving the problem of single function of the existing fresh air module. Moreover, the functions of fresh air, purification and sewage discharge can be realized by one fan, so that the cost and volume of the fresh air module can be reduced.

In an optional embodiment, the fresh air filter and the purification filter divide the air chamber into a first air chamber, a second air chamber and a third air chamber;

The fresh air filter is surrounded by part of the casing to form the first air chamber, and the fresh air inlet is in communication with the first air chamber;

The purification filter screen is surrounded by the part of the housing to form the second air chamber, and the purification air inlet is in communication with the second air chamber;

The fresh air filter, the purification filter and part of the housing enclose the third air chamber, and the fan chamber and the dirty air inlet are both connected to the third air chamber;

When the fresh air module is in the fresh air mode, the fan can make the outdoor air flow into the first air chamber from the fresh air inlet, and flow through the fresh air filter to the third air chamber, and then through the fresh air filter. After the fan cavity, it is discharged to the room through the air outlet;

When the fresh air module is in the purification mode, the fan can make the indoor dirty air flow into the second air chamber from the purification air inlet, and flow through the purification filter to the third air chamber, and then to the third air chamber. The fan cavity is discharged into the room through the air outlet;

When the fresh air module is in the sewage air mode, the fan can make the indoor sewage air flow into the third air chamber through the sewage air inlet, and then discharge to the outside through the air outlet after passing through the fan chamber.

In this application, the air chamber is divided into the first air chamber, the second air chamber and the third air chamber through the fresh air filter and the purification filter, so that the sewage air can be directly discharged without passing through the fresh air filter and the purification filter in the sewage wind mode. The dirty air enters the third air chamber from the air inlet and then flows into the fan chamber, thereby reducing the dirt on the fresh air filter and the purification filter.

In an optional embodiment, the air outlet includes a first air outlet and a second air outlet, the first air outlet and the second air outlet are both arranged on the housing, and are connected to the fan cavity, the first air outlet is used for the fresh air module to discharge air indoors in the fresh air mode and the purification mode, and the second air outlet is used for the fresh air module in the exhaust air mode Exhaust air downwards to the outside.

In the present application, by setting the first air outlet and the second air outlet, it can satisfy indoor exhaust air in fresh air mode and purification mode, and can also satisfy outdoor sewage discharge in sewage air mode.

In an optional embodiment, the fresh air filter is horizontally arranged in the air chamber, the first air chamber is formed at the bottom of the fresh air filter, the second air chamber and the third air A cavity is formed on the top of the fresh air filter.

In the present application, the fresh air filter is arranged horizontally in the air chamber, so that the first air chamber can be formed with the bottom of the fresh air filter, so that the fresh air inlet is formed at the bottom of the housing, thereby facilitating the connection of the fresh air pipe.

In an optional embodiment, the dirty air inlet is arranged on the top of the casing; and/or, the dirty air inlet and the clean air inlet are both arranged on the top of the casing.

In this application, the dirty air inlet and/or the purified air inlet are arranged on the top of the casing, so that the dust on the top is sucked in and discharged outside with the dirty air, and at the same time, it is convenient to hide the dirty air inlet and the purified air inlet.

In an optional embodiment, the bottom of the purification filter screen is inclined in the direction away from the fan chamber, so that the side of the purification filter screen away from the fan chamber forms the first The second air chamber, the third air chamber is formed on one side close to the fan chamber.

In the present application, the purification filter screen is arranged obliquely, which can increase the area of the purification filter screen and improve the purification effect. At the same time, it can also avoid the accumulation of indoor dirty air and dust on the back of the purification filter under the sewage air mode, thereby reducing the dirty clogging of the purification filter and reducing the accumulation of dirty air and dust on the purification filter, which breeds bacteria.

In an optional embodiment, the fresh air inlet, the dirty air inlet and the purified air inlet are all movable with baffles, and the baffles are used to control the fresh air inlet, the dirty air The on-off of the air inlet and the purification air inlet.

In the present application, the selective opening of the fresh air inlet, the dirty air inlet and the purified air inlet can be conveniently realized by setting the movable baffle.

In an optional embodiment, the housing is provided with a first opening, and the fresh air filter is plugged into the air cavity through the first opening; and/or, the housing is provided with a second opening , the purification filter screen is plugged into the air cavity through the second opening.

In the present application, the installation and replacement of the fresh air filter and the purification filter can be facilitated by providing the first opening and/or the second opening on the casing.

In an optional embodiment, the side wall of the air cavity is provided with a first chute corresponding to the first opening, and the fresh air filter is movably arranged in the first chute; and/or The side wall of the wind chamber is provided with a second chute corresponding to the second opening, and the purification filter is movably arranged in the second chute.

In the present application, setting the first chute and/or the second chute can facilitate the installation of the fresh air filter and the purification filter.

In the second aspect, the utility model provides an air conditioner, which includes an indoor unit body and the fresh air module described in any one of the foregoing embodiments, the fresh air module is arranged in the indoor unit body, and the indoor unit body is An air port corresponding to the dirty air inlet, the purified air inlet and the air outlet is provided.

The air conditioner of the present application is provided with a fresh air inlet, a dirty air inlet and a purified air inlet connected with the air chamber on the housing, and an air outlet connected with the fan chamber, and a fresh air filter and a filter are arranged in the air chamber. The fan is installed in the fan cavity, so that the fresh air inlet, the dirty air inlet and the purification air inlet can be opened to realize the functions of fresh air, purification and sewage respectively, thus solving the problem of the existing fresh air module single-function problem. Moreover, the functions of fresh air, purification and sewage discharge can be realized by one fan, so that the cost and volume of the fresh air module can be reduced.

Description of drawings

Fig. 1 is the structural representation of the air conditioner that the utility model embodiment provides;

Fig. 2 is a schematic structural diagram of the fresh air module provided by the embodiment of the utility model;

Fig. 3 is a cross-sectional schematic diagram of the fresh air module provided by the implementation of the utility model under the fresh air mode;

Fig. 4 is a schematic cross-sectional view of the fresh air module provided by the implementation of the utility model in the purification mode;

Fig. 5 is a schematic cross-sectional view of the fresh air module provided by the implementation of the utility model under the blowdown air mode;

Fig. 6 is a schematic cross-sectional view of the fresh air module provided by the implementation of the utility model at the volute.

Icons: 100-fresh air module; 110-housing; 111-air chamber; 113-fan chamber; 115-fresh air inlet; 117-dirty air inlet; 119-purification air inlet; 121-air outlet; Air chamber; 125-second air chamber; 127-third air chamber; 129-end cover; 131-first middle frame; 133-second middle frame; 135-volute; 137-air inlet; 139-first Air outlet; 141-second air outlet; 143-first opening; 145-second opening; 147-first chute; 149-second chute; 151-fan; 153-fresh air filter; 155-purification filter Net; 171-baffle; 173-valve plate; 300-air conditioner; 310-indoor unit body; 311-air outlet; 313-first air outlet; 315-second air outlet; 317-third outlet; ; 321 - second socket.

Detailed ways

The existing fresh air module installed on the air conditioner can only realize the fresh air function, resulting in a single function. The embodiment of the utility model provides an air conditioner, which can also realize the functions of indoor air purification and sewage discharge while realizing the fresh air function.

In order to make the above purpose, features and advantages of the utility model more obvious and easy to understand, specific embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings.

Please refer to FIG. 1 , the embodiment of the utility model provides an air conditioner 300 including an indoor unit body 310 and a fresh air module 100 disposed on the indoor unit body 310 , the fresh air module 100 is used to realize fresh air, purification and sewage discharge functions.

Please refer to FIG. 2 , FIG. 3 , FIG. 4 and FIG. 5 , in this embodiment, the fresh air module 100 includes a housing 110 , a fan 151 , a fresh air filter 153 and a purification filter 155 . The casing 110 is provided with an air cavity 111 and a fan cavity 113 which communicate with each other. The fan 151 is arranged in the fan chamber 113 , and the fresh air filter 153 and the purification filter 155 are installed in the air chamber 111 . The casing 110 is provided with a fresh air inlet 115 , a dirty air inlet 117 , and a clean air inlet 119 communicating with the air chamber 111 , and an air outlet 121 communicating with the fan chamber 113 . When the fresh air module 100 is in the fresh air mode, the fan 151 can make the outdoor wind flow into the air chamber 111 from the fresh air inlet 115 , flow into the fan chamber 113 after passing through the fresh air filter 153 , and be discharged into the room through the air outlet 121 . When the fresh air module 100 is in the purification mode, the fan 151 can make the indoor dirty air flow into the air cavity 111 from the purification air inlet 119 , flow into the fan cavity 113 after passing through the purification filter 155 , and then be discharged into the room through the air outlet 121 . When the fresh air module 100 is in the sewage air mode, the fan 151 can make the indoor sewage air flow into the air chamber 111 from the sewage air inlet 117 , then flow into the fan chamber 113 , and be discharged to the outside through the air outlet 121 .

In this embodiment, the fresh air inlet 115, the dirty air inlet 117 and the purification air inlet 119 communicated with the air chamber 111 are provided on the housing 110, and the air outlet 121 communicated with the fan chamber 113 is provided, and the wind chamber 111 is provided with The fresh air filter screen 153 and the filter screen are provided with a blower fan 151 in the fan chamber 113, so that when in use, one of the fresh air inlet 115, the dirty air inlet 117 and the purification air inlet 119 can be opened to realize the fresh air, air inlet 119, respectively. For purification and blowdown functions, the fresh air inlet 115 and the purification air inlet 119 can also be opened simultaneously to simultaneously realize the functions of introducing outdoor fresh air and purifying indoor dirty air. Therefore, the problem of single function of the existing fresh air module 100 is solved. Moreover, the functions of fresh air, purification and sewage discharge can be realized by one fan 151 , so that the cost and volume of the fresh air module 100 can be reduced.

Please refer to Fig. 2, Fig. 3, Fig. 4 and Fig. 5, in this embodiment, the fresh air filter screen 153 and the purification filter screen 155 divide the air chamber 111 into the first air chamber 123, the second air chamber 125 and the third air chamber. Cavity 127. The fresh air filter 153 and part of the casing 110 enclose the first air chamber 123 , and the fresh air inlet 115 communicates with the first air chamber 123 . The purification filter 155 and part of the casing 110 enclose the second air chamber 125 , and the purification air inlet 119 communicates with the second air chamber 125 . The fresh air filter 153 , the purification filter 155 and part of the housing 110 enclose the third air chamber 127 , and the fan chamber 113 and the dirty air inlet 117 are both in communication with the third air chamber 127 . When the fresh air module 100 is in the fresh air mode, the fan 151 can make the outdoor air flow into the first air chamber 123 from the fresh air inlet 115, and flow through the fresh air filter 153 to the third air chamber 127, and then pass through the fan chamber 113 and then through the air outlet. 121 row to the interior. When the fresh air module 100 is in the purification mode, the fan 151 can make the indoor dirty air flow into the second air chamber 125 through the purification air inlet 119, and then flow through the third air chamber 127 after passing through the purification filter 155, and then pass through the fan chamber 113 and then pass through the outlet. The tuyere 121 is discharged indoors. When the fresh air module 100 is in the sewage air mode, the fan 151 can make the indoor sewage air flow into the third air chamber 127 from the sewage air inlet 117 , and then pass through the fan chamber 113 and then be discharged to the outside through the air outlet 121 .

In this application, the air chamber 111 is divided into the first air chamber 123, the second air chamber 125 and the third air chamber 127 through the fresh air filter 153 and the purification filter 155, so that the sewage air can not be filtered by the fresh air in the sewage wind mode. The net 153 and the purification filter screen 155 directly enter the third air cavity 127 from the dirty air inlet 117 and then flow into the fan cavity 113, thereby reducing the dirt of the fresh air filter screen 153 and the purification filter screen 155.

Please refer to Fig. 2, Fig. 3, Fig. 4 and Fig. 5, in this embodiment, the housing 110 includes an end cover 129, a first middle frame 131, a second middle frame 133 and a volute 135, and the second middle frame 133 is installed On one side of the first middle frame 131 , the end cover 129 is mounted on the other side of the first middle frame 131 , and the volute 135 is mounted on a side of the second middle frame 133 away from the first middle frame 131 . The end cover 129 , the first middle frame 131 and the second middle frame 133 enclose and form the wind cavity 111 . The fresh air inlet 115 and the dirty air inlet 117 are arranged on the second middle frame 133 , and the clean air inlet 119 is arranged on the first middle frame 131 . The blower cavity 113 is formed in the volute 135 . The air outlet 121 is disposed on the volute 135 . The side wall of the second middle frame 133 opposite to the end cover 129 is provided with an air inlet 137, and the fan 151 is a centrifugal fan 151. The negative pressure area of the centrifugal fan 151 corresponds to the air inlet 137. Negative pressure, so that the outside air is sucked into the air cavity 111 .

In the embodiment, the housing 110 is configured into four parts to facilitate manufacturing and assembling of parts.

Please refer to Fig. 6, in this embodiment, the air outlet 121 includes a first air outlet 139 and a second air outlet 141, the first air outlet 139 and the second air outlet 141 are both arranged on the volute 135, and are connected to the fan cavity 113 connected. The first air outlet 139 is used for the fresh air module 100 to exhaust air indoors in the fresh air mode and the purification mode, and the second air outlet 141 is used for the fresh air module 100 to exhaust air outdoors in the exhaust air mode.

In this embodiment, the first air outlet 139 is provided to send the treated fresh air indoors in the fresh air mode and the purification mode, and the second air outlet 141 is provided to discharge indoor dirty air to the outside in the sewage air mode.

Of course, in some other embodiments of the present application, only one air outlet 121 may be provided, and a three-way valve may be provided at the air outlet 121, one interface of the three-way valve communicates with the air outlet 121, and one interface communicates with the room. The other interface communicates with the outdoors.

Please refer to Fig. 3, Fig. 4, Fig. 5 and Fig. 6, in this embodiment, the indoor unit body 310 is provided with the fresh air inlet 115, the dirty air inlet 117, the purification air inlet 119 and the air outlet 121 correspondingly communicated. Tuyere 311. The air outlet 311 includes a first air outlet 313 corresponding to the dirty air inlet 117 , a second air outlet 315 corresponding to the clean air inlet 119 , and a third outlet 317 corresponding to the first air outlet 139 . The first air port 313 is used for the third air chamber 127 to communicate with the room, so as to introduce indoor sewage air into the third air chamber 127 in the sewage air mode. The second air port 315 is used for the second air chamber 125 to communicate with the room, so as to introduce indoor dirty air into the second air chamber 125 in the cleaning mode. The third outlet 317 is used to communicate with the room, so that the treated fresh air will be sent into the room in the fresh air mode or in the purification mode.

In this embodiment, the fresh air inlet 115, the dirty air inlet 117 and the purification air inlet 119 are all movable with baffles 171, and the baffles 171 are used to control the fresh air inlet 115, the pollution air inlet 117 and the purification air inlet 119. on and off.

In some embodiments of the present application, the baffle 171 can be rotatably arranged at the fresh air inlet 115 , the dirty air inlet 117 and the clean air inlet 311 . And the baffle 171 is connected with the drive motor provided on the housing 110, so that the rotation of the baffle 171 is controlled by the drive motor to selectively open the fresh air inlet 115, the dirty air inlet 117 and the clean air inlet 119. For example, in the fresh air mode, the motor rotates and opens the baffle 171 arranged at the fresh air inlet 115, and drives the baffle 171 arranged at the cleaning air inlet 119 and the dirty air inlet 117 to rotate respectively, and the cleaning air inlet 119 and the dirty air inlet 117 are respectively driven to rotate. The dirty air inlet 117 is blocked, so that when the fan 151 is running, the fan 151 can inhale the fresh air outside the first air chamber 123, and then enter the fan chamber 113 through the third air chamber 127, and flow into the room from the first air outlet 139 . For another example, in the purification mode, the motor rotates the baffle plate 171 arranged at the purification air inlet 119, so that the purification air inlet 119 is opened, and respectively drives the baffle plate 171 arranged at the fresh air inlet 115 and the dirty air inlet 117 to close. , so that when the fan 151 is running, the fan 151 can suck indoor dirty air into the second air chamber 125 through the clean air inlet 119 . For another example, in the sewage wind mode, the motor can drive the baffle 171 arranged at the sewage air inlet 117 to open, and then respectively drive the baffle 171 of the fresh air inlet 115 and the purification air inlet 119 to close, so that the fan 151 During operation, the fan 151 can suck indoor dirty air into the third air cavity 127 .

In some other embodiments of the present application, the specific setting method of the baffle plate 171 can also be partially rotated, and the other part can be moved. It can also be respectively set at the dirty air inlet 117 and the clean air inlet 119 in a combination of movement and rotation. And the fresh air inlet 115, as long as it can be selectively opened according to the operating mode of the fresh air module 100.

Please refer to Fig. 3, Fig. 4, Fig. 5 and Fig. 6. In this embodiment, a valve plate 173 is movable on the volute 135, and the valve plate 173 is used to control the ventilation of the first air outlet 139 and the second air outlet 141. so that the first air outlet 139 can be turned on in the fresh air and purification modes, and the second air outlet 141 can be turned on in the exhaust air mode.

Please refer to Fig. 3, Fig. 4, Fig. 5 and Fig. 6, in this embodiment, the fresh air filter screen 153 is horizontally arranged in the air chamber 111, the first air chamber 123 is formed at the bottom of the fresh air filter screen 153, and the second air chamber 125 and the third air cavity 127 are formed on the top of the fresh air filter 153 . The dirty air inlet 117 and the clean air inlet 119 are both arranged on the top of the casing 110 . Thus, the first wind chamber 123 is located at the bottom of the wind chamber 111, the second wind chamber 125 and the third wind chamber 127 are located above the wind chamber 111, and the second wind chamber 125 and the third wind chamber 127 are arranged left and right, and the third The air cavity 127 is close to the fan cavity 113 .

In this embodiment, the dirty air inlet 117 and the purified air inlet 119 are arranged on the top of the fresh air module 100 so that the dust on the top can be sucked in during operation, and discharged outdoors with the dirty air, and at the same time, it is convenient to hide the dirty air inlet 117 and the purified air inlet 119 .

In this embodiment, the bottom of the purification filter screen 155 is inclined towards the direction away from the fan chamber 113 and placed in the wind chamber 111, so that the side of the purification filter screen 155 away from the fan chamber 113 forms a second wind chamber 125, which is close to the fan chamber 113 A third wind cavity 127 is formed on one side.

In this embodiment, the purification filter 155 is arranged obliquely, which can increase the area of the purification filter 155 and improve the purification effect. At the same time, it can also avoid the accumulation of indoor dirty wind dust on the back of the purification filter screen 155 under the sewage wind mode, thereby reducing the dirty blockage of the purification filter screen 155 and reducing the accumulation of dirty wind dust on the purification filter screen 155, which breeds bacteria.

It should be noted that, when the fresh air module 100 provided in this embodiment is in the fresh air mode, the outdoor air flows into the first air chamber 123 through the fresh air inlet 115 , then flows into the third air chamber 127 through the fresh air filter 153 , and flows into the third air chamber 127 through the air inlet 137 After the blower cavity 113, the fresh air that has been processed is discharged into the room by the first air outlet 139. In the purification mode, the indoor dirty air flows into the second air chamber 125 from the dirty air inlet 117, flows to the third air chamber 127 after passing through the purification filter screen 155, flows into the fan chamber 113 through the air introduction port 137, and then flows from the first outlet to the fan chamber 113. The air outlet 139 discharges the treated fresh air indoors. In the sewage wind mode, the outdoor sewage wind flows from the sewage air inlet 311 to the third chamber, flows into the fan chamber 113 through the air introduction port 137, and then is discharged to the outside by the second air outlet 141, so that the structure of the air chamber 111 is simple. Small wind resistance can effectively increase the air volume.

In this embodiment, the fresh air inlet 115 and the second air outlet 141 are located at the rear of the fresh air module 100, and they are close to each other, so that both the fresh air inlet 115 and the second air outlet 141 can be connected to a fresh air pipe, Thereby connecting with the outside. The fresh air pipe can send the outdoor fresh air into the fan chamber 113 in the fresh air mode, and also discharge the indoor dirty air to the outside in the sewage air mode, so that only one pipe is needed for fresh air intake and sewage discharge during installation. wind.

Please refer to Fig. 1 and Fig. 2. In this embodiment, a first opening 143 is provided in front of the housing 110, and a first socket 319 is provided on the indoor unit corresponding to the position of the first opening 143, and the fresh air filter 153 passes through in turn. The first socket 319 and the first opening 143 are plugged into the wind cavity 111 . The casing 110 is provided with a second opening 145, and the position of the indoor unit body 310 corresponding to the second opening 145 is provided with a second socket 321, and the purification filter 155 is inserted into the wind chamber 111 through the second socket 321 and the second opening 145 in turn. .

In some embodiments of the present application, the first socket 319 and the second socket 321 can also be opened as a large opening.

In this embodiment, the installation and replacement of the fresh air filter 153 and the purification filter 155 can be facilitated by providing the first opening 143 and the second opening 145 on the housing 110 .

Please refer to FIG. 2 and FIG. 3 , in this embodiment, the side wall of the air cavity 111 is provided with a first chute 147 corresponding to the first opening 143 , and the fresh air filter 153 is movably arranged in the first chute 147 , The sidewall of the wind chamber 111 is provided with a second chute 149 corresponding to the second opening 145 , and the purification filter 155 is movably disposed in the second chute 149 .

In this embodiment, the installation of the fresh air filter 153 and the purification filter 155 can be facilitated by providing the first chute 147 and the second chute 149 .

To sum up, the working principles and beneficial effects of the fresh air module 100 and the air conditioner 300 provided by the embodiment of the present utility model include:

In this embodiment, the fresh air inlet 115, the dirty air inlet 117 and the purification air inlet 119 communicated with the air chamber 111 are provided on the housing 110, and the air outlet 121 communicated with the fan chamber 113 is provided, and the wind chamber 111 is provided with The fresh air filter screen 153 and the filter screen are provided with a blower fan 151 in the fan chamber 113, so that when in use, one of the fresh air inlet 115, the dirty air inlet 117 and the purification air inlet 119 can be opened to realize the fresh air, air inlet 119, respectively. Purification and sewage discharge functions, thereby solving the problem that the existing fresh air module 100 has a single function. Moreover, the functions of fresh air, purification and sewage discharge can be realized by one fan 151 , so that the cost and volume of the fresh air module 100 can be reduced.

Although the utility model is disclosed as above, the utility model is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present utility model, so the protection scope of the present utility model should be based on the scope defined in the claims.

Claims (10)

1. A fresh air module is characterized by comprising a shell (110), a fan (151), a fresh air filter screen (153) and a purification filter screen (155);

the shell (110) is provided with an air chamber (111) and a fan chamber (113) which are communicated with each other, the fan (151) is arranged in the fan chamber (113), the fresh air filter screen (153) and the purification filter screen (155) are both arranged in the air chamber (111), and the shell (110) is provided with a fresh air inlet (115), a dirty air inlet (117) and a purification air inlet (119) which are communicated with the air chamber (111) and an air outlet (121) which is communicated with the fan chamber (113);

in the fresh air mode of the fresh air module (100), the fan (151) can make outdoor air flow into the air cavity (111) from the fresh air inlet (115), flow into the fan cavity (113) through the fresh air filter screen (153) and be discharged into the room from the air outlet (121);

in the fresh air module (100) in the purification mode, the fan (151) can make indoor dirty air flow into the air cavity (111) from the purification air inlet (119), flow into the fan cavity (113) through the purification filter screen (155), and then be discharged into the room from the air outlet (121);

when the fresh air module (100) is in a sewage air discharge mode, the fan (151) can enable indoor dirty air to flow into the fan cavity (113) after flowing into the air cavity (111) from the dirty air inlet (117), and the indoor dirty air is discharged outdoors from the air outlet (121).

2. The fresh air module as claimed in claim 1, wherein the fresh air screen (153) and the purification screen (155) divide the air chamber (111) into a first air chamber (123), a second air chamber (125) and a third air chamber (127);

the fresh air filter screen (153) and part of the shell (110) are enclosed to form the first air cavity (123), and the fresh air inlet (115) is communicated with the first air cavity (123);

the purifying filter screen (155) and the part of the shell (110) are enclosed to form the second air cavity (125), and the purifying air inlet (119) is communicated with the second air cavity (125);

the fresh air filter screen (153), the purification filter screen (155) and part of the shell (110) are enclosed to form the third air cavity (127), and the fan cavity (113) and the dirty air inlet (117) are communicated with the third air cavity (127);

in a fresh air mode of the fresh air module (100), the fan (151) can make outdoor air flow into the first air cavity (123) from the fresh air inlet (115), flow through the fresh air filter screen (153) and then flow through the third air cavity (127), and then flow through the fan cavity (113) and then be discharged into a room from the air outlet (121);

in the fresh air module (100) in the purification mode, the fan (151) can make indoor dirty air flow into the second air cavity (125) from the purification air inlet (119), flow through the third air cavity (127) after passing through the purification filter screen (155), and then be discharged into the room from the air outlet (121) after passing through the fan cavity (113);

when the fresh air module (100) is in a sewage air discharge mode, the fan (151) can enable indoor dirty air to flow into the third air cavity (127) from the dirty air inlet (117) and then flow into the fan cavity (113) and then be discharged outdoors from the air outlet (121).

3. The fresh air module as claimed in claim 1 or 2, wherein the air outlet (121) comprises a first air outlet (139) and a second air outlet (141), the first air outlet (139) and the second air outlet (141) are both disposed on the housing (110) and are both communicated with the fan cavity (113), the first air outlet (139) is used for the fresh air module (100) to discharge air indoors in the fresh air mode and the purification mode, and the second air outlet (141) is used for the fresh air module (100) to discharge air outdoors in the blowdown air mode.

4. The fresh air module as claimed in claim 2, wherein the fresh air filter (153) is horizontally disposed in the air chamber (111), the first air chamber (123) is formed at a bottom of the fresh air filter (153), and the second air chamber (125) and the third air chamber (127) are formed at a top of the fresh air filter (153).

5. The fresh air module as claimed in claim 2 or 4, characterized in that the dirty air inlet (117) is arranged at the top of the housing (110); and/or the dirty air inlet (117) and the purification air inlet (119) are both arranged at the top of the shell (110).

6. The fresh air module as claimed in claim 5, wherein the bottom of the purification filter (155) is disposed in the air chamber (111) obliquely towards a direction away from the fan chamber (113), so that a side of the purification filter (155) away from the fan chamber (113) forms the second air chamber (125), and a side close to the fan chamber (113) forms the third air chamber (127).

7. The fresh air module as claimed in claim 1, wherein the fresh air inlet (115), the dirty air inlet (117) and the purification air inlet (119) are movably provided with a baffle (171), and the baffle (171) is used for controlling the on-off of the fresh air inlet (115), the dirty air inlet (117) and the purification air inlet (119).

8. The fresh air module as claimed in claim 1, characterized in that the housing (110) is provided with a first opening (143), and the fresh air screen (153) is plugged into the air chamber (111) through the first opening (143); and/or the shell (110) is provided with a second opening (145), and the purifying filter screen (155) is inserted into the air cavity (111) through the second opening (145).

9. The fresh air module as claimed in claim 8, wherein a side wall of the air chamber (111) is provided with a first chute (147) corresponding to the first opening (143), the fresh air screen (153) being movably arranged at the first chute (147); and/or a second chute (149) corresponding to the second opening (145) is arranged on the side wall of the air cavity (111), and the purifying filter screen (155) is movably arranged on the second chute (149).

10. An air conditioner (300) is characterized by comprising an indoor unit body (310) and the fresh air module (100) of any one of claims 1 to 9, wherein the fresh air module (100) is arranged in the indoor unit body (310), and an air opening (311) correspondingly communicated with the dirty air inlet (117), the purification air inlet (119) and the air outlet (121) is formed in the indoor unit body (310).

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