CN217685362U - Air conditioner - Google Patents

Abstract

The utility model provides an air conditioner, it includes: a casing having an indoor fresh air opening formed therein; the new trend module is located in the casing and it includes: the air conditioner comprises a shell, a fan cavity, a fresh air cavity and an exhaust cavity, wherein the fan cavity, the fresh air cavity and the exhaust cavity are sequentially communicated, the outdoor fresh air inlet, the outdoor air outlet and the indoor air return inlet are formed in the shell, the fresh air cavity is communicated with the outdoor fresh air inlet, the exhaust cavity is communicated with the outdoor air outlet and the indoor air return inlet, and the indoor air return inlet is communicated with the indoor fresh air inlet; the fan assembly is at least partially positioned in the fan cavity, and an inlet and an outlet of the fan assembly are respectively communicated with the fan cavity and the exhaust cavity; the switch switching assembly is used for communicating the outdoor fresh air inlet with the indoor return air inlet through the fan cavity when in the first state; when being in the second state, indoor return air inlet passes through fresh air chamber and fan chamber and outdoor air outlet intercommunication, through change over switch switching components, realizes introducing indoor and discharging indoor foul smell to outdoor function with outdoor new trend, solves the user pain point, has promoted user experience.

Description

Air conditioner

Technical Field

The utility model belongs to the technical field of the air conditioner, especially, relate to an air conditioner.

Background

With the gradual rise of health consciousness of consumers, the air conditioner with the fresh air function has become a development direction of high-end products at present. However, most of the existing air conditioners with fresh air function only have fresh air purification function, and only can supply air to the indoor, but cannot realize the function of exhausting air from the indoor to the outdoor. That is to say, when the outdoor air is fresh, when the indoor air is muddy, can open the new trend function, the new trend module is indoor with outdoor air introduction for improve the indoor air quality. However, the turbid air in the room is still left in the room, and the user experience is not obvious enough. Therefore, the single air supply function of the fresh air module of the existing air conditioner cannot meet the increasingly high multifunctional requirement of consumers on products.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. For this purpose,

according to an embodiment of the present disclosure, there is provided an air conditioner including:

a casing having an indoor fresh air opening formed therein;

the new trend module is located be used for introducing indoor and arranging indoor foul smell to outdoor with outdoor new trend in the casing, the new trend module includes:

the air conditioner comprises a shell, a fan cavity, a fresh air cavity and an exhaust cavity, wherein the fan cavity, the fresh air cavity and the exhaust cavity are sequentially communicated with one another, an outdoor fresh air inlet, an outdoor air outlet and an indoor air return inlet are formed in the shell, the fresh air cavity is communicated with the outdoor fresh air inlet, the exhaust cavity is communicated with the outdoor air outlet and the indoor air return inlet, and the indoor air return inlet is communicated with the indoor fresh air inlet;

the fan assembly is at least partially positioned in the fan cavity, and an inlet and an outlet of the fan assembly are respectively communicated with the fan cavity and the air exhaust cavity;

the switch switching component is arranged in the shell;

when the switch switching component is in a first state, the outdoor fresh air inlet is communicated with the indoor return air inlet through the fan cavity;

when the switch switching component is in the second state, the indoor air return opening is communicated with the outdoor air outlet through the fresh air cavity and the fan cavity.

According to the air conditioner provided by the technical scheme, when the switch switching assembly is in the first state, the fan assembly sucks in fresh air through the outdoor fresh air inlet and discharges the fresh air through the indoor return air inlet; when the switch switching component is in the second state, the fan component enters air through the indoor air return opening and exhausts air through the outdoor air outlet. The switch switching component is arranged to switch the air flow communication state in the shell, namely the air flow direction in the shell is controllable, so that the fresh air module realizes the functions of introducing outdoor fresh air into a room and exhausting indoor foul air to the outside when the switch switching component is in a first state and a second state, and has the advantages of high integration and modularization; meanwhile, the pain point of the user is solved, and the user experience is improved.

According to the embodiment of the disclosure, the switch switching component comprises a first switch arranged in the air exhaust cavity and a second switch arranged in the fresh air cavity;

when the switch switching component is in a first state, the first switch is switched to an open state and the second switch is switched to a closed state;

when the switch switching component is in a second state, the first switch is switched to a closed state and the second switch is switched to an open state.

The first switch and the second switch which can be switched between the on state and the off state are matched, so that the function of the switch switching assembly is realized, and the switch switching assembly is simple and convenient.

According to the embodiment of the disclosure, when the first switch is in an open state, the outlet of the fan assembly and the outdoor air outlet are both isolated from the indoor air return inlet and the fresh air cavity; when the first switch is in a closed state, the outdoor air outlet is isolated from the air exhaust cavity;

when the second switch is in an open state, the fresh air cavity is separated from the exhaust cavity; when the second switch is in a closed state, the outdoor fresh air inlet is separated from the fresh air cavity.

Through switching the on-off state of the first switch and the second switch, the airflow direction inside the shell can be changed, so that the functions of introducing fresh air and exhausting foul air are realized, and the novel air conditioner is simple and convenient.

According to the embodiment of the present disclosure, the shell is including the first casing, second casing and the third casing that connect gradually, first casing is injectd the exhaust chamber, the second casing is injectd the new trend chamber, the third casing is injectd the fan chamber, the exhaust chamber with the new trend chamber is through the intercommunication mouth intercommunication of airing exhaust, the new trend chamber with the fan chamber is through the new trend air exit intercommunication, thereby forms independent and different cavity through setting up different casings, convenient assembly.

According to the embodiment of the disclosure, the indoor air return opening and the outdoor air outlet are respectively arranged on a first side wall and a second side wall which are opposite to the first shell, the indoor air return opening is positioned at the lower end of the first side wall, the first side wall is arranged close to the indoor fresh air opening, a through opening communicated with the outside is formed in the upper end of the first side wall, and the through opening is communicated with an outlet of the fan assembly through an air outlet pipeline; the air exhaust cavity under the structure can facilitate air flow to enter from the fan assembly and to be exhausted from the outdoor air outlet or the indoor air return inlet.

According to the embodiment of the disclosure, a first channel communicated with the outdoor air outlet is arranged in the first shell, the first channel is horizontally arranged, one end of the first switch is pivoted to one end of the first channel far away from the outdoor air outlet so as to open and close the first channel, and the first switch rotates to enable the free end of the first switch to be connected with the first channel and the first side wall, so that the first switch is in a closed state and an open state; the air flow circulation state can be controlled only by the rotation of the first switch, and the air flow circulation control device is simple in structure and convenient to operate.

According to the embodiment of the disclosure, the outdoor fresh air port is arranged on the side wall of the second shell, a second channel communicated with the outdoor fresh air port is arranged in the second shell, one end of the second switch is pivoted to one end, away from the outdoor fresh air port, of the second channel to open and close the second channel, a wind shield is vertically arranged in the second shell, the fresh air exhaust port and the air exhaust communication port are respectively located on two sides of the wind shield, and the second switch rotates to enable the free end of the second switch to rotate to be connected with the second channel and the wind shield, so that the second switch is in a closed state and an open state; the air flow circulation state can be controlled only by the rotation of the second switch, and the air flow circulation control device is simple in structure and convenient to operate.

According to the embodiment of the disclosure, the air exhaust communication port is formed in the lower part of the side wall of the first shell and the second shell facing each other, the fresh air exhaust port is located in the lower part of the side wall of the second shell and the third shell facing each other, and the outdoor fresh air port and the outdoor air outlet are both located on one side of the shell away from the indoor fresh air port; the fresh air exhaust port and the exhaust communicating port are both positioned at the lower part of the shell, so that the air flow path is simplified, and the air tightness of the air flow path is improved.

According to the embodiment of the present disclosure, the fresh air module further comprises an air handling assembly, the air handling assembly is installed in the fan cavity and located at the inlet of the fan assembly to handle air entering the fan assembly, so that the quality of air discharged from the outlet of the fan assembly can be ensured.

According to an embodiment of the present disclosure, the fan assembly includes:

the air duct shell comprises a first volute and a second volute; the second volute is at least partially positioned in the fan cavity, the first volute and the second volute jointly define a volute cavity, the first volute is provided with a fan air outlet, the second volute is provided with a fan air inlet, the fan air inlet is communicated with the fan cavity to form an air inlet channel, and the fan air outlet is communicated with the exhaust cavity to form an air outlet channel;

the fan is arranged in the volute cavity and comprises an impeller and a motor, and the motor is connected with the impeller and used for driving the impeller to rotate.

The air conditioner has the advantages that the structure of the fan assembly is compact, the cost is low, the assembly efficiency is high, the air conditioner can achieve the air supply and exhaust functions by utilizing one fan, the product cost is greatly reduced, and the product competitiveness is improved.

Drawings

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

Fig. 1 is a front view of an air conditioner according to an embodiment of the present disclosure;

fig. 2 is a partial exploded view of an air conditioner according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a fresh air module according to an embodiment of the present disclosure;

FIG. 4 is an exploded view of a portion of a fresh air module according to an embodiment of the present disclosure;

FIG. 5 is another schematic structural view of a fresh air module according to an embodiment of the present disclosure;

FIG. 6 is an exploded view of the overall structure of a fresh air module according to an embodiment of the present disclosure;

FIG. 7 is a top view of a fresh air module according to an embodiment of the present disclosure;

FIG. 8 isbase:Sub>A cross-sectional view taken at A-A of FIG. 7;

FIG. 9 is a front view of a fresh air module according to an embodiment of the present disclosure;

FIG. 10 is a cross-sectional view taken at B-B of FIG. 9;

FIG. 11 is a rear view of a fresh air module according to an embodiment of the present disclosure;

FIG. 12 is a cross-sectional view at C-C of FIG. 11;

FIG. 13 is a schematic diagram of a second switch in an open state according to an embodiment of the present disclosure;

FIG. 14 is a schematic flow diagram of an airflow in a third housing, fan assembly, according to an embodiment of the present disclosure;

FIG. 15 is a schematic diagram of a first switch in an off state according to an embodiment of the present disclosure;

FIG. 16 is a schematic diagram of a first switch in an open state according to an embodiment of the present disclosure;

FIG. 17 is a schematic diagram of a second switch in an off state according to an embodiment of the present disclosure;

FIG. 18 is an exploded view of a structure in a third housing and fan assembly according to an embodiment of the disclosure.

In the above figures: an air conditioner 100; a housing 1; an air inlet 11 of the air conditioner; an air-conditioning outlet 12; an air duct 13; an indoor fresh air port 14; a fresh air module 2; a housing 21; an outdoor fresh air port 211; an outdoor air outlet 212; an indoor return air inlet 213; a first housing 214; an exhaust cavity 2141; a first sidewall 2142; a second sidewall 2143; a through hole 2144; a first channel 2145; a lap joint portion 2146; a connecting portion 2147; a second housing 215; a fresh air cavity 2151; wind deflector 2152; a second passage 2153; a third housing 216; a fan cavity 2161; a mounting port 2162; a chute 2163; an exhaust communicating port 217; a fresh air exhaust port 218; a fan assembly 22; an air duct case 221; a first volute 2211; a second volute 2212; a stopper 2215; a stopper groove 2216; a fan 222; an impeller 2221; a motor 2222; a fan air inlet 223; a fan outlet 224; a switch switching member 23; a first switch 231; a second switch 232; an air outlet pipeline 24; an air treatment assembly 25; a return air duct 26; the communication pipe 27.

Detailed Description

The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures, and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

The air conditioner performs a refrigeration cycle of the air conditioner by using a compressor, a condenser, an expansion valve, and an evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies refrigerant to the air that has been conditioned and heat-exchanged.

The compressor compresses a refrigerant gas in a low-temperature and low-pressure state and discharges the refrigerant gas in a high-temperature and high-pressure state. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.

The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can achieve a cooling effect by heat-exchanging with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner can adjust the temperature of the indoor space throughout the cycle.

The air conditioner includes an air conditioner indoor unit and an air conditioner outdoor unit, the air conditioner outdoor unit is a part of a refrigeration cycle including a compressor and an outdoor heat exchanger, the air conditioner indoor unit includes an indoor heat exchanger, and an expansion valve may be provided in the air conditioner indoor unit or the air conditioner outdoor unit.

The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or an evaporator. The air conditioner is used as a heater in a heating mode when the indoor heat exchanger is used as a condenser, and as a cooler in a cooling mode when the indoor heat exchanger is used as an evaporator.

The present invention provides an air conditioner 100, and the air conditioner 100 is described below with reference to fig. 1 to 18, wherein fig. 1 is a front view of the air conditioner 100.

Referring to fig. 1 and 2, the air conditioner 100 includes a casing 1, the casing 1 forms an external appearance of the air conditioner 100, the casing 1 includes an air inlet 11 and an air outlet 12 formed on the casing 1, the air inlet 11 is communicated with the air outlet 12 to form an air duct 13, the air conditioner may be a hanging type air conditioner or a cabinet type air conditioner, when the air conditioner is a hanging type air conditioner, the air outlet 12 is located at a front side of the casing 1, and the air inlet 11 may be located at an upper side or left and right sides of the casing 1.

The indoor unit can be hung on the wall when the indoor unit is hung, and the rear side of the indoor unit is close to the wall. When the air conditioner is a cabinet air conditioner, the air outlet 12 may be located at the front side and/or left and right sides and/or upper side of the cabinet 1, and the air inlet 11 may be located at the rear side and/or upper side and/or left and right sides of the cabinet 1.

An air inlet grille can be arranged at the air inlet 11 of the air conditioner and used for filtering air and preventing larger impurities from entering the air channel 13. An air deflector may be disposed at the air outlet 12 for guiding the air discharged from the air conditioner 100. Specifically, the air deflector is rotatably connected to the air outlet 12 of the air conditioner. The air deflector opens or closes the air-conditioning outlet 12, and is used for guiding air discharged from the air conditioner when the air deflector opens the air-conditioning outlet 12.

The air deflector is roughly rectangular, the cross section of the air deflector is arc-shaped or flat, and indoor air coming out of the air outlet 12 of the air conditioner blows out along the air deflector.

The air conditioner air inlet 11 and the air conditioner air outlet 12 are communicated to form an air duct 13, the air conditioner 100 further comprises a heat exchanger and a heat exchange fan, the heat exchanger and the heat exchange fan are both arranged in the air duct 13, the heat exchanger is used for exchanging heat with indoor air, the heat exchange fan is used for introducing air into the air duct 13 from the air conditioner air inlet 11, and the air is discharged from the air conditioner air outlet 12 after exchanging heat through the heat exchanger, so that the air conditioner can refrigerate and heat.

The inner wall of the air deflector extends to one side far away from the inner wall of the air deflector to form an air deflector connecting lug, and an output shaft of the air deflector driving motor is fixedly connected with the air deflector connecting lug.

An air guide grid can be arranged at the air outlet 12 of the air conditioner, and air at the air outlet 12 of the air conditioner can be guided. The air guide grille can be further provided with micropores, indoor air can be discharged from the micropores, and air outlet at the air outlet 12 of the air conditioner can be softened.

In this embodiment, the air inlet 11 is formed on the upper side of the casing 1 for air to enter the air duct 13, the air outlet 12 is formed on the front side for indoor air to be discharged from the air duct 13, and the indoor air outlet 14 may be in a shape of a long strip, wherein the indoor air outlet 14 is disposed along the left and right direction of the casing 1. In other embodiments, the air inlet 11 and the air outlet 12 may be disposed at other positions of the casing 1 as long as air can enter into the air duct 13 and be blown out from the air duct 13.

It should be noted that the direction described herein is based on the direction of the user facing the air conditioning indoor unit, where the left side and the right side are distinguished by the direction of the user facing the air conditioning indoor unit, and the side facing the user when the air conditioning indoor unit is used is defined as the front side, and the opposite side is defined as the rear side.

Referring to fig. 2, the air conditioner 100 further includes a fresh air module 2, the fresh air module 2 is disposed in the casing 1, an indoor fresh air opening 14 is formed on the casing 1, and the fresh air module 2 introduces outdoor fresh air into the room and discharges indoor foul air to the outside through the indoor fresh air opening 14.

When the air conditioner 100 is an on-hook air conditioner, the fresh air modules 2 may be arranged in a horizontal direction, and in this case, the positions of the indoor fresh air openings 14 on the casing 1 are not limited, and may be located on the left front side, the middle front side, the right front side, the top, the left end face, the right end face, and the like of the air conditioner 1000.

In this embodiment, the fresh air module 2 is disposed at the left end or the right end of the air conditioner 100, the fresh air module 22 is disposed at the inner side of the left and right side plates of the casing 1, and the indoor fresh air opening 14 is disposed at the top.

The fresh air module 2 comprises a shell 21, a fan assembly 22 and a switch switching assembly 23.

Specifically, a fan cavity 2161, a fresh air cavity 2151 and an exhaust cavity 2141 which are communicated with each other are sequentially formed in the housing 21. That is to say, be formed with new trend chamber 2151, fan chamber 2161, the chamber 2141 of airing exhaust in the shell 21, fan chamber 2161 and the chamber 2141 of airing exhaust set up respectively in the both sides of new trend chamber 2151, and fan chamber 2161 and the chamber 2141 of airing exhaust all communicate with new trend chamber 2151.

The outer shell 21 is provided with an outdoor fresh air inlet 211, an outdoor air outlet 212 and an indoor air return inlet 213, the fresh air cavity 2151 is communicated with the outdoor fresh air inlet 211, the exhaust cavity 2141 is communicated with the outdoor air outlet 212 and the indoor air return inlet 213, and the indoor air return inlet 213 is communicated with the indoor fresh air inlet 14. The outdoor fresh air inlet 211 and the outdoor air outlet 212 are both suitable for being communicated with the outdoor, and the indoor return air inlet 213 is suitable for being communicated with the indoor. In this embodiment, the indoor air return opening 213 extends toward the indoor fresh air opening 14 to form the air return duct 26, so that the indoor air return opening 213 extends to the indoor fresh air opening 14.

Referring to fig. 3 and 6, the fan assembly 22 is at least partially disposed in the fan cavity 2161, and the inlet and outlet of the fan assembly 22 are respectively communicated with the fan cavity 2161 and the exhaust cavity 2141, and the fan assembly 22 is operated to provide the ventilation function to the fresh air module 2.

Switch module 23 sets up and is used for controlling the air current connected state in shell 21, and switch module 23 can switch between first state and second state, realizes that new trend module 2 introduces outdoor new trend indoor and arranges indoor foul gas to outdoor function, has the integrated high and modular advantage of nature, has solved user's pain point, has improved user experience.

In this embodiment, the inlet of the fan assembly 22 is configured to be suitable for air intake from the outdoor fresh air inlet 211 and the indoor air return inlet 213, and the outlet of the fan assembly 22 is configured to be suitable for air exhaust from the indoor air return inlet 213 and the outdoor air outlet 212.

In the first state, the fan assembly 22 draws in fresh air through the outdoor fresh air inlet 211 and discharges the fresh air through the indoor return air inlet 213. When new trend is introduced from the outdoor to the indoor, can switch over switch module 23 to first state, outdoor new trend mouth 211 passes through fan chamber 2161 and indoor return air inlet 213 intercommunication this moment, thereby in fan subassembly 22 during operation, outdoor air can get into new trend chamber 2151 through outdoor new trend mouth 211, then send into indoorly by indoor return air inlet 213 through fan subassembly 22, realize the new trend function of introducing outdoor new trend from the outdoor to the indoor, thereby improve indoor air quality, avoid the user to appear the sense of oppression.

When the switch switching component is in, when the switch switching component is in

In the second state, the fan assembly 22 is intake through the indoor return air opening 213 and exhaust through the outdoor air outlet opening 212. When the indoor muddy air is required to be discharged outdoors, the switch switching component 23 can be switched to the second state, at the moment, the indoor air return port 213 is communicated with the outdoor air outlet 212 through the fresh air cavity 2151 and the fan cavity 2161, so that when the fan component 22 works, the indoor air can enter the fan cavity 2161 through the indoor air return port 213, and then is discharged outdoors through the fan component 22 through the outdoor air outlet 212, thereby achieving the effect of discharging the indoor muddy air to the outdoors, realizing the air introduction from the indoor, and then having the air exhaust function of discharging the air to the outdoors.

In this embodiment, the indoor air return opening 213 may serve as an air outlet with a fresh air function and an air inlet with an air exhaust function, the outdoor air return opening 211 serves as an air inlet with a fresh air function, and the indoor air outlet serves as an air outlet with an air exhaust function.

It should be noted that in the description of the present invention, "adapted to 8230 \8230 \ 823030:" adapted to 8230 \ 8230: "air intake" means that the air intake state is expressed when the on-off switching member 23 does not block the air flow communication at the corresponding position, and "adapted to intake air from a certain position" in the present application is understood in a broad sense to include both direct intake air from a certain position and indirect intake air from a certain position. Similarly, the term "adapted to vent from somewhere" is used in this application in a broad sense to include both direct venting from somewhere and indirect venting from somewhere.

Specifically, referring to fig. 4, 6, 8 and 10, the outer shell 21 includes a first shell 214, a second shell 215 and a third shell 216 connected in sequence, the first shell 214 defines an exhaust cavity 2141, the second shell 215 defines a fresh air cavity 2151, and the third shell 216 defines an air outlet cavity 2161. In this embodiment, the first casing 214, the second casing 215 and the third casing 216 respectively form the separate air exhaust cavity 2141, the fresh air cavity 2151 and the fan cavity 2161 therein, so that the assembly is convenient, and the first casing 214 and the second casing 215 have substantially the same external shape. In other embodiments, the first housing 214, the second housing 215, and the third housing 216 may be connected to form a separate exhaust chamber 2141, fresh air chamber 2151, and blower chamber 2161, thereby reducing costs.

In this embodiment, the first casing 214, the second casing 215 and the third casing 216 are sequentially connected, and the lower portion of the side wall facing each other, where the first casing 214 and the second casing 215 are connected, is provided with the exhaust communicating port 217, so that the exhaust cavity 2141 is communicated with the fresh air cavity 2151 through the exhaust communicating port 217. The lower part of the facing side walls of the second shell 215 and the third shell 216 is provided with a fresh air outlet 218, and the fresh air outlet 218 enables the fresh air cavity 2151 to be communicated with the fan cavity 2161.

Referring to fig. 8, the indoor air return opening 213 and the outdoor air outlet 212 are respectively opened on the first sidewall 2142 and the second sidewall 2143 of the first casing 214, and the outdoor fresh air opening 211 and the outdoor air outlet 212 are both located on a side of the casing 21 away from the indoor fresh air opening 14. The indoor air return opening 213 is arranged opposite to the outdoor air outlet 212 and the outdoor fresh air opening 211 to realize the mode that indoor turbid air goes forward and then goes out and outdoor fresh air goes forward and then goes out, so that the air outlet area can be enlarged as much as possible to ensure the air outlet requirement, and the air inlet area can be enlarged as much as possible to ensure the air inlet requirement. In this embodiment, the outdoor fresh air inlet 211 and the outdoor air outlet 212 may be communicated together through the communication pipe 27, so as to communicate with the outdoor.

The indoor air return opening 213 is located at the lower end of the first side wall 2142, and the first side wall 2142 is disposed close to the indoor fresh air opening 14, so that fresh air blown out from the indoor air return opening 213 is blown into the room through the indoor fresh air opening 14, and meanwhile, indoor foul air is introduced into the exhaust cavity 2141 through the indoor fresh air opening 14 by the indoor air return opening 213. The indoor return air inlet 213 is disposed close to the indoor fresh air inlet 14, so that an airflow path from the fresh air module 2 to the cabinet 1 is shortened, energy consumption is reduced, and the structure of the air conditioner 100 can be made smaller and more compact.

The upper end of the first sidewall 2142 is provided with a through hole 2144 communicated with the outside, the through hole 2144 is communicated with the outlet of the fan assembly 22 through the air outlet duct 24, and the air outlet duct 24 is arranged to enable the air exhaust cavity 2141 to facilitate the air flow entering from the fan assembly 22 and being exhausted from the outdoor air outlet 212 or the indoor air return inlet 213. In this embodiment, the outlet of the fan assembly 22 and the through hole 2144 are located on the same side of the fresh air module 2, so that the air outlet paths of the air outlet pipeline 24 and the outlet of the fan assembly 22 are shortened, the airflow flowing loss is reduced, and the energy consumption is reduced. In this embodiment, the upper end of the first sidewall 2142 is convexly provided with a connecting portion communicating with the exhaust cavity in a direction toward the indoor fresh air inlet, and the through hole 2144 is opened on the connecting portion.

Referring to fig. 6, the fresh air module 2 further includes an air handling assembly 25, the air handling assembly 25 being mounted within the blower cavity 2161 at the inlet of the blower assembly 22 to handle air entering the blower assembly 22 so that the quality of air exiting the outlet of the blower assembly 22 can be assured. Specifically, air entering the fan cavity 2161 is treated by the air treatment assembly 25 and exhausted from the outlet of the fan assembly 22 to the exhaust cavity 2141.

More specifically, under the fresh air function, fresh air entering the fresh air cavity 2151 from the outdoor fresh air inlet 211 enters the fan cavity 2161 through the fresh air outlet 218, and enters from the inlet of the fan assembly 22 after being processed by the air processing assembly 25, so that the indoor air quality is effectively improved. Under the function of airing exhaust, the indoor air that gets into fan chamber 2161 from indoor return air inlet 213 is handled the back through air treatment subassembly 25, discharges to outdoor through fan subassembly 22 and indoor air outlet again, when will indoor muddy air discharge, can also play certain degree's guard action to outdoor environment, has better feature of environmental protection.

It should be noted that the present invention does not limit the specific components of the air treatment assembly 25, and exemplarily, the air treatment assembly 25 may include at least one of a dust removal purification module (such as a filter screen), a sterilization purification module, a heating module, and a humidification module, and the air treatment assembly 25 is disposed so that the treated air satisfies the indoor environment requirement.

Referring to FIG. 18, air handling assembly 25 is removably mounted within blower cavity 2161 to facilitate removal and installation of air handling assembly 25, thereby facilitating removal, cleaning, replacement, or maintenance of air handling assembly 25, etc.

Specifically, the third housing 216 may have a mounting opening 2162, and two opposite side walls of the third housing 216 are provided with sliding grooves 2163, two opposite sides of the air treatment assembly 25 are mounted in the sliding grooves 2163 and can move along the extending direction of the sliding grooves 2163, and the air treatment assembly 25 is pushed or pulled to move the air treatment assembly 25 along the sliding grooves 2163, so that the air treatment assembly 25 is inserted into the sliding rail through the mounting opening 2162, or the air treatment assembly 25 is detached from the mounting opening 2162 along the sliding grooves 2163.

Referring to FIG. 18, to improve the mounting stability and size of the air treatment assembly 25, the air treatment assembly 25 may be provided in a skewed configuration. The inclined insertion structure can improve the installation stability of the air treatment assembly 25, prevent the air treatment assembly 25 from being separated from the installation opening 2162, increase the contact area of the air treatment assembly 25 and the air in the fan cavity 2161, and improve the air treatment effect.

Taking the example that the air treatment assembly 25 includes the filter net, the filter net includes the outer frame and the net body arranged on the outer frame, and when the air treatment assembly is installed, the outer frame is assembled in a sliding manner along the sliding groove 2163. In order to facilitate the installation and the disassembly, the filter screen also comprises a filter screen handle arranged on the outer frame.

Referring to fig. 18, the fan assembly 22 includes an air duct shell 221 and a fan 222, a volute cavity is formed in the air duct shell 221, and the fan 222 is disposed in the volute cavity.

Specifically, the air duct shell 221 includes a first volute 2211 and a second volute 2212, the first volute 2211 and the second volute 2212 are tightly connected to form a volute cavity, the second volute 2212 is at least partially located in the blower cavity 2161, the blower inlet is opened on the second volute 2212, and the blower outlet is opened on the first volute 2211.

The volute cavity is provided with a fan air inlet and a fan air outlet, the fan air inlet is communicated with the fan cavity 2161 to form an air inlet channel, and the fan air outlet is communicated with the exhaust cavity to form an air outlet channel.

The fan 222 is disposed in the volute cavity, the fan 222 includes an impeller 2221 and a motor 2222, the motor 2222 is connected to the impeller 2221 to drive the impeller 2221 to rotate, the fan assembly 22 has a compact structure, low cost and high assembly efficiency, and the air conditioner 100 can realize the functions of fresh air function and air exhaust function by using one fan, thereby greatly reducing the product cost and improving the product competitiveness.

Referring to fig. 6 and 18, the first and second volutes 2211 and 2212 may be connected by a fastener and/or a snap, so that the impeller 2221 may be reliably protected and may be conveniently disassembled. The second volute 2212 may likewise be coupled to the third housing 216 via fasteners and/or snaps to facilitate assembly and disassembly.

For example, the fastening member may be a bolt, and the first and second volutes 2211 and 2212 are provided with a first mounting hole and a second mounting hole, respectively, and the bolt is connected to the second mounting hole through the first mounting hole, so that the first volute 2211 is tightly connected with the second volute 2212.

Referring to fig. 18, the first volute 2211 is provided with one of the limiting member 2215 and the limiting groove 2216, the second volute 2212 is provided with the other of the limiting member 2215 and the limiting groove 2216, and the limiting member 2215 is matched with the limiting groove 2216, so as to realize the installation and limiting of the first volute 2211 and the second volute 2212. Similarly, one of the limiting member 2215 and the limiting groove 2216 is disposed on the second volute 2212, the other of the limiting member 2215 and the limiting groove 2216 is disposed on the third housing 216, and the limiting member 2215 is engaged with the limiting groove 2216, so as to limit the installation of the third housing 216 and the second volute 2212.

Referring to fig. 1, the switch switching assembly 23 includes a first switch 231 and a second switch 232 switchable between an open state and a closed state, wherein the first switch 231 is disposed in the exhaust cavity 2141; the second switch 232 is disposed in the fresh air cavity 2151. When the switch switching assembly 23 is in the first state, the first switch 231 is switched to the open state and the second switch 232 is switched to the closed state; when the switch switching assembly 23 is in the second state, the first switch 231 is switched to the off state and the second switch 232 is switched to the on state.

Specifically, when the first switch 231 is in the open state, the outlet of the fan assembly 22 and the outdoor air outlet 212 are both isolated from the indoor air return opening 213 and the fresh air cavity 2151. That is, the outdoor air outlet 212 is in communication with the outdoor air, and the outlet of the fan assembly 22 is in communication with the outdoor air outlet 212; the indoor return air inlet 213 is in a communication state with the exhaust communication port 217.

When the first switch 231 is in the off state, the outdoor air outlet 212 is isolated from the air exhausting cavity 2141. That is, the indoor return air inlet 213 is in communication with the indoor space, the outlet of the blower assembly 22 is in communication with the indoor return air inlet 213 and the discharge communication port 217, and the air in the discharge cavity 2141 cannot be discharged from the outdoor air outlet 212.

When the second switch 232 is in an open state, the second switch 232 separates the fresh air cavity 2151 from the exhaust air cavity 2141. That is to say, the outdoor fresh air inlet 211 is communicated with the fresh air cavity 2151, the fresh air cavity 2151 is communicated with the fan cavity 2161 through the fresh air outlet 218, the outdoor fresh air inlet 211 and the fresh air outlet 218 are both isolated from the air outlet cavity 2141, and the fresh air outlet 218 entering the fresh air cavity 2151 from the outdoor fresh air inlet 211 is blown to the fan cavity 2161.

When the second switch 232 is in the off state, the second switch 232 isolates the outdoor fresh air inlet 211 from the fresh air cavity 2151. That is to say, the fresh air cavity 2151 is not communicated with the outdoor fresh air port 211, and the fresh air cavity 2151 is respectively communicated with the fan cavity 2161 and the exhaust cavity 2141 through the fresh air exhaust port 218 and the exhaust communication port 217.

By arranging the first switch 231 and the second switch 232 which can switch the open-close state and switching the open-close state of the first switch 231 and the second switch 232, the flow direction of the air flow inside the shell 21 can be changed, so that the functions of introducing fresh air and exhausting foul air are realized, and the device is simple and convenient.

More specifically, referring to fig. 16, a first channel 2145 communicating with the outdoor air outlet 212 is disposed in the first housing 214, the first channel 2145 is horizontally disposed, and one end of the first switch 231 is pivoted to one end of the first channel 2145 away from the outdoor air outlet 212 to open and close the first channel 2145. In this embodiment, the first channel 2145 is formed by extending the outdoor air outlet 212 in the horizontal direction.

When the first switch 231 rotates to make the free end thereof rotate to be connected with the first channel 2145, the first channel 2145 is closed and the first switch 231 is in a closed state; when the first switch 231 rotates to make the free end thereof rotate to connect with the first sidewall 2142, the first channel 2145 is fully opened and the first switch 231 is opened.

Further, in order to make the first switch 231 in a stable state when in an open state, the first sidewall 2142 is further provided with a bridging portion 2146, and in the open state, the free end of the first switch 231 is connected to the bridging portion 2146, so that when the state is kept stable, the sealing performance is improved.

Referring to fig. 17, the outdoor fresh air port 211 is opened in a side wall of the second housing 215, and a second passage 2153 communicating with the outdoor fresh air port 211 is formed in the second housing 215. One end of the second switch 232 pivots to the end of the second passage 2153 away from the indoor fresh air inlet 14 to open and close the second passage 2153, a wind shield 2152 is vertically arranged in the second housing 215, and the fresh air outlet 218 and the air exhaust communication port 217 are respectively located on two sides of the wind shield 2152.

When the second switch 232 rotates to enable the free end of the second switch to rotate to be connected with the second channel 2153, the second channel 2153 is closed, and the second switch 232 is in a closed state at the moment; the second switch 232 is rotated so that its free end is rotated to connect with the air deflector 2152, the second channel 2153 is fully open and the second switch 232 is now in an open state. Referring to fig. 7, the second channel 2153 is preferably horizontally disposed, the structure of the fresh air module in the structure is more compact, and the second channel is formed by extending the outdoor fresh air opening 211 into the fresh air cavity 2151.

In this embodiment, the airflow circulation state can be controlled only by the rotation of the first switch 231 and the second switch 232, and the structure is simple and the operation is convenient. The first switch 231 preferably comprises a first baffle, the second switch 232 preferably comprises a second baffle, and the first switch 231 and the second switch 232 are simple in structure, convenient to control, small in occupied space and good in switch switching effect due to the fact that the baffles rotate.

Further, each of the first switch 231 and the second switch 232 further includes a driving mechanism, the driving mechanism is connected with the first baffle/the second baffle to drive the first baffle/the second baffle to rotate, so as to control the first switch 231/the second switch 232 to switch between the on state and the off state, and the driving mechanism is preferably a driving motor.

Referring to fig. 12 to 14, when the first switch 231 is switched to the on state and the second switch 232 is switched to the off state, the switch switching component 23 is in the first state. When the fan works, fresh air enters the fresh air cavity 2151 through the outdoor fresh air inlet 211, enters the fan cavity 2161 through the fresh air outlet 218, enters the air exhaust cavity 2141 through the outlet of the fan assembly 22, and finally blows out fresh air through the indoor return air inlet 213, and the fresh air is blown out through the indoor fresh air inlet 14 through the return air pipeline 26, so that the fresh air function of introducing outdoor fresh air from the outdoor to the indoor can be realized. Wherein, the hollow closed arrow is the fresh air circulation direction.

Referring to fig. 14 to 17, when the first switch 231 is switched to the off state and the second switch 232 is switched to the on state, the switch switching member 23 is in the second state. When the fan works, indoor air enters the air return pipeline 26 through the indoor fresh air inlet 14, then enters the air exhaust cavity 2141 through the indoor air return inlet 213, enters the fresh air cavity 2151 through the air exhaust communicating port 217, air in the fresh air cavity 2151 enters the fan cavity 2161 through the fresh air exhaust port 218, enters the air exhaust cavity 2141 through the outlet of the fan assembly 22, and finally is exhausted to the outdoor through the outdoor air outlet 212, so that the air exhaust function of introducing air from the indoor and then exhausting air to the outdoor can be realized, and the effect of exhausting foul air to the outdoor can be achieved. Wherein, the opening arrow is the indoor air circulation direction.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. An air conditioner, comprising:

a casing having an indoor fresh air opening formed therein;

the new trend module is located in the casing and it includes:

the fresh air device comprises a shell, a fan cavity, a fresh air cavity and an exhaust cavity, wherein the fan cavity, the fresh air cavity and the exhaust cavity are sequentially communicated with each other, the shell is provided with an outdoor fresh air inlet, an outdoor air outlet and an indoor air return inlet, the fresh air cavity is communicated with the outdoor fresh air inlet, the exhaust cavity is communicated with the outdoor air outlet and the indoor air return inlet, and the indoor air return inlet is communicated with the indoor fresh air inlet;

the fan assembly is at least partially positioned in the fan cavity, and an inlet and an outlet of the fan assembly are respectively communicated with the fan cavity and the air exhaust cavity;

the switch switching component is arranged in the shell;

when the switch switching assembly is in a first state, the outdoor fresh air inlet is communicated with the indoor return air inlet through the fan cavity;

when the switch switching component is in a second state, the indoor air return opening is communicated with the outdoor air outlet through the fresh air cavity and the fan cavity.

2. The air conditioner of claim 1, wherein the switch switching assembly comprises a first switch disposed in the air exhaust cavity and a second switch disposed in the fresh air cavity;

when the switch switching component is in a first state, the first switch is switched to an open state and the second switch is switched to a closed state;

when the switch switching component is in a second state, the first switch is switched to a closed state and the second switch is switched to an open state.

3. The air conditioner according to claim 2,

when the first switch is in an open state, the outlet of the fan assembly and the outdoor air outlet are both isolated from the indoor air return inlet and the fresh air cavity; when the first switch is in a closed state, the outdoor air outlet is separated from the air exhaust cavity;

when the second switch is in an opening state, the fresh air cavity is separated from the exhaust cavity; when the second switch is in a closed state, the outdoor fresh air inlet is separated from the fresh air cavity.

4. The air conditioner according to claim 3, wherein the housing comprises a first housing, a second housing and a third housing connected in sequence, the first housing defines the exhaust chamber, the second housing defines the fresh air chamber, the third housing defines the fan chamber, the exhaust chamber is communicated with the fresh air chamber through an exhaust communicating port, and the fresh air chamber is communicated with the fan chamber through a fresh air exhaust port.

5. The air conditioner as claimed in claim 4, wherein the indoor return air inlet and the outdoor air outlet are respectively formed in a first side wall and a second side wall of the first casing, the first side wall and the second side wall being opposite to each other, the indoor return air inlet is located at a lower end of the first side wall, the first side wall is arranged close to the indoor fresh air inlet, a through hole communicated with the outside is formed in an upper end of the first side wall, and the through hole is communicated with an outlet of the fan assembly through an air outlet pipeline.

6. The air conditioner as claimed in claim 5, wherein a first channel is disposed in the first housing and communicates with the outdoor outlet, the first channel is horizontally disposed, one end of the first switch pivots to an end of the first channel away from the outdoor outlet to open and close the first channel, and the first switch rotates to rotate a free end thereof to connect with the first channel and the first sidewall, so that the first switch is in a closed state and an open state.

7. The air conditioner according to any one of claims 4 to 6, wherein the outdoor fresh air opening is formed in a side wall of the second casing, a second channel communicated with the outdoor fresh air opening is formed in the second casing, one end of the second switch is pivoted to one end, away from the outdoor fresh air opening, of the second channel to open and close the second channel, a wind shield is vertically arranged in the second casing, the fresh air outlet and the air exhaust communication opening are respectively located on two sides of the wind shield, and the second switch rotates to enable a free end of the second switch to rotate to be connected with the second channel and the wind shield, so that the second switch is in a closed state and an open state.

8. The air conditioner according to claim 4, wherein said air discharge communication opening is provided at a lower portion of a side wall of said first casing and said second casing facing each other, said fresh air discharge opening is provided at a lower portion of a side wall of said second casing and said third casing facing each other, and said outdoor fresh air opening and said outdoor air outlet are provided at a side of said casing away from said indoor fresh air opening.

9. The air conditioner of claim 1, wherein the fresh air module further comprises an air handling assembly mounted within the fan chamber at an inlet of the fan assembly to handle air entering the fan assembly.

10. The air conditioner as claimed in claim 1 or 9, wherein the fan assembly comprises:

the air duct shell comprises a first volute and a second volute; the second volute is at least partially positioned in the fan cavity, the first volute and the second volute jointly define a volute cavity, the first volute is provided with a fan air outlet, the second volute is provided with a fan air inlet, the fan air inlet is communicated with the fan cavity to form an air inlet channel, and the fan air outlet is communicated with the air exhaust cavity to form an air outlet channel;

the fan is arranged in the volute cavity and comprises an impeller and a motor, and the motor is connected with the impeller and used for driving the impeller to rotate.

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