CN219868117U

CN219868117U - Indoor unit of air conditioner

Info

Publication number: CN219868117U
Application number: CN202321183650.5U
Authority: CN
Inventors: 赵健; 肖美娜; 孟庆刚; 戴现伟
Original assignee: Hisense Air Conditioning Co Ltd
Current assignee: Hisense Air Conditioning Co Ltd
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2023-10-20
Anticipated expiration: 2033-05-16

Abstract

The utility model provides an air conditioner indoor unit, comprising: a shell, a fresh air shell and a fresh air fan; the fresh air shell is internally provided with an air inlet cavity, a fan cavity and an air outlet cavity which are sequentially communicated, the fresh air fan is arranged in the fan cavity, the fan cavity is communicated with the room through a room air inlet, the air outlet cavity is communicated with the room through a fresh air outlet, and the air inlet cavity is communicated with the outside through a fresh air inlet; the exhaust channel is communicated between the air outlet cavity and the air inlet cavity; the switch component is movably arranged in the air inlet cavity; the air door assembly is movably connected with the room air inlet to open and close the room air inlet; a valve switchable between a first position and a second position; the on-off between each wind cavity and each wind gap is adjusted through the joint control of the valve, the air door assembly and the switch assembly, so that a fresh air channel is formed in the fresh air shell, the fresh air exhaust device has the function of introducing outdoor fresh air into the room, the fresh air shell is communicated with the exhaust channel to form an exhaust air channel, the exhaust function of exhausting indoor turbid air out of the room is achieved, the control strategy is simple, and the operation is convenient.

Description

Indoor unit of air conditioner

Technical Field

The utility model relates to the technical field of air conditioners, in particular to an air conditioner indoor unit.

Background

In order to improve the cleanliness of indoor air, a fresh air module is generally installed on an indoor unit of an air conditioner, fresh air can be introduced from the outside of the air conditioner through the fresh air module and circulated into the room, and indoor turbid gas can be discharged to the outside of the air conditioner, so that the aim of ventilation is fulfilled. Therefore, the fresh air module in the prior art needs to switch between a fresh air mode and an exhaust mode. The switching of multiple modes needs to set up a plurality of moving parts in the new trend module, and the combination such as valve or change over switch opens or closes and changes the switching in the inside wind channel of new trend module, and then changes the inside air current flow direction of new trend module. And normally, the opening and closing of each air port or the conduction and the separation of the air duct and the channel are all required to be provided with independent movable parts, and correspondingly, independent driving parts are also required to be arranged to drive the independent movable parts to move, so that more driving parts are required to be arranged in the fresh air module to correspond to the fresh air module. The volume of the driving piece is larger, the occupied space is larger, and the cost is higher, so that the whole volume of the fresh air module is larger, and the cost is higher. Meanwhile, the reliability of the driving piece is low, faults are prone to occurring in the using process, the fault rate of the fresh air module is increased due to the fact that too many driving pieces are used, and user experience is affected.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. For this purpose,

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

a housing;

the fresh air shell is arranged in the shell and provided with a room air inlet and a fresh air outlet which are communicated with the room and a fresh air inlet which is communicated with the outside, and the fresh air shell is internally provided with a fan cavity which is communicated with the room air inlet, an air inlet cavity which is communicated with the fresh air inlet and an air outlet cavity which is communicated with the fresh air outlet;

the fresh air fan is arranged in the fan cavity, and the air inlet side and the air outlet side of the fresh air fan are respectively communicated with the air inlet cavity and the air outlet cavity;

the exhaust channel is communicated between the air outlet cavity and the air inlet cavity;

the switch assembly is arranged in the air outlet cavity, and is provided with a first state for isolating the air outlet side from the air exhaust channel and a second state for isolating the air outlet side from the fresh air outlet;

the air door assembly is movably connected to the room air inlet and is provided with an initial state for closing the room air inlet and an open state for opening the room air inlet;

The valve is movably connected with the air inlet cavity and can move between a first position and a second position, and when the valve is positioned at the first position, the air inlet cavity is communicated with the air inlet side and the air door assembly is in an initial state; when the valve is in the second position, the valve is connected with the air door assembly, the air inlet cavity is separated from the air inlet side, and the air door assembly is in an open state;

wherein when the valve moves from a first position to a second position to contact the air door assembly, the valve continues to move to drive the air door assembly to open the chamber air inlet;

when the switch assembly is in a first state and the valve is in a first position, the fresh air inlet is communicated with the fresh air outlet sequentially through the air inlet cavity, the fan cavity and the air outlet cavity to form a fresh air channel;

when the switch assembly is in a second state and the valve is in a second position, the room air inlet sequentially passes through the fan cavity, the air outlet cavity, the air exhaust channel and the air inlet cavity to be communicated with the fresh air inlet to form an air exhaust channel.

According to the air conditioner indoor unit provided by the technical scheme, under the condition that a power source is not increased, the air exhaust function is increased, so that the air conditioner indoor unit has a fresh air function of introducing outdoor fresh air and an indoor dirty air exhaust function of exhausting to the outside, and the user experience is better. The valve and the air door component are jointly controlled to realize opening and closing of the room air inlet and communication or separation of the air inlet cavity and the air inlet side of the fresh air fan, compared with the prior art, the novel air intake system has the advantages that an additional driving piece is not required to be added, the overall size of the fresh air module is reduced, and meanwhile production cost is reduced. The valve and the air door assembly are controlled in a combined way, and the switch assembly is matched to adjust the communication between the air cavity and each air opening, so that a fresh air channel is formed in the fresh air shell, and the fresh air inlet device has the fresh air function of introducing outdoor fresh air into a room; and the fresh air shell is communicated with the air exhaust channel to form an air exhaust channel, so that the air exhaust device has an air exhaust function of exhausting indoor turbid air outdoors, is simple in control strategy and convenient to operate, and reduces the control difficulty of an air conditioning system.

According to the embodiment of the disclosure, the air conditioner indoor unit further comprises a purification assembly, the purification assembly is arranged in the fan cavity and located on the air inlet side of the fresh air fan, and the room air inlet is located between the purification assembly and the fresh air fan.

According to the technical scheme, the purification assembly is arranged to purify outdoor fresh air entering the fresh air duct, and meanwhile, when indoor polluted air is discharged outdoors through the air exhaust duct, the resistance is reduced, and the exhaust efficiency is improved.

According to the embodiment of the disclosure, the switch assembly comprises at least one switch, the switch is movably arranged in the air outlet cavity, the switch is correspondingly connected with a driving piece, and the switch acts to enable the switch assembly to be switched between a first state and a second state under the driving of the driving piece.

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

the air door is rotationally connected to the room air inlet;

the two spiral springs are respectively sleeved at two ends of the rotating shaft of the air door, one end of each spiral spring is connected with the rotating shaft, the other end of each spiral spring is connected with the fresh air shell, and the air door seals the indoor air inlet by the rotating force and torque of each spiral spring;

The middle part of the warping rod is rotationally connected to the fresh air shell, the first end of the warping rod is movably connected with the air door, and when the driving force in the inner direction of the fan cavity pushes against the second end of the warping rod, the warping rod rotates relative to the fresh air shell, and the warping rod rotates to drive the air door to rotate along the opposite direction of the rotating force to open the indoor air inlet.

According to the technical scheme, the air door automatically seals the air inlet of the room by using the rotating force and the torque of the spiral spring, so that the sealing performance of the air door is improved, a driving piece is not required to drive to be closed, and the cost is reduced.

According to the embodiment of the disclosure, the valve comprises a body and a pushing part, a through hole communicated with the air inlet cavity is formed in the fresh air shell, the body is arranged in the through hole in a penetrating mode, the through hole is used for enabling the body to move, the pushing part is arranged on one side, close to the air door assembly, of the body, when the valve moves from a first position to a second position, the valve moves to the position when the pushing part contacts with the second end of the warping rod, the valve moves continuously, and the pushing part provides driving force to push the warping rod to open the indoor air inlet.

According to the technical scheme, the air inlet cavity and the air inlet side of the fresh air fan are conducted or cut off by movement of the valve, external force is applied to the second end of the tilting rod by movement of the valve, the tilting rod is pushed to open the air inlet of the chamber, the valve and the air door component are matched, so that the air door can open and close the air inlet of the chamber without control of a driving piece, the structure is simple, the conception is ingenious, and the production cost is reduced.

According to the embodiment of the disclosure, a slide way is arranged on one side of the pushing part, which faces the fan cavity, and the slide way extends from the valve to a direction close to the chamber air inlet in a straight line, when the pushing part contacts with the second end of the warping rod, the slide way is used for accommodating the second end of the warping rod, and the pushing part pushes the second end of the warping rod to move along the extending direction of the slide way.

According to the technical scheme, when the chamber wind inlet is opened by arranging the slide rail on the tilting rod, the movement of the second end of the tilting rod plays a guiding role.

According to the embodiment of the disclosure, the indoor air port is arranged on the top wall of the fan cavity, the air door is rotationally connected to the outer side of the indoor air inlet, the through hole is arranged on the top wall of the air inlet cavity, and the valve moves between the first position and the second position along the vertical direction.

According to the technical scheme, the air door can be closed and the chamber wind inlet is plugged under the combined action of the gravity of the air door, the rotation force and the torque of the coil spring, and the length of the coil spring can be effectively shortened.

According to the embodiment of the disclosure, the exhaust channel is located at the top of the fresh air shell, when the valve is located at the first position, the valve is abutted with the outer wall of the exhaust channel, and when the valve is located at the second position, the bottom end of the valve is abutted with the bottom wall of the air inlet cavity.

According to the technical scheme, the movement of the valve can be accurately limited by utilizing the exhaust channel and the bottom wall of the air inlet cavity, so that the switching precision of the valve between the first position and the second position is improved.

According to the embodiment of the disclosure, the air inlet cavity is movably provided with a fresh air switch, and the fresh air switch can be moved to a position for blocking the fresh air inlet or a position for opening the fresh air inlet.

According to the technical scheme, the anti-backflow function under the shutdown state of the air conditioner can be realized by setting the fresh air switch, outdoor backflow air and outdoor backflow noise can be effectively prevented from being transmitted into a room, and the user experience is improved.

According to the embodiment of the disclosure, the casing includes the base, the new trend shell install in on the base, the air-out side orientation of new trend fan deviates from the direction blowout air current of base, the passageway of airing exhaust pass through the import of airing exhaust with the air-out chamber intercommunication, the new trend export with the import of airing exhaust sets up relatively, just the new trend import with the air inlet side of new trend fan sets up relatively.

According to the technical scheme, outdoor fresh air can directly enter the fresh air fan, and the fresh air inlet speed and the fresh air inlet quantity are improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 and 2 are partial schematic structural views of an indoor unit of an air conditioner according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of a fresh air module with a valve in a first position according to an embodiment of the present disclosure;

FIG. 4 is a schematic diagram of a fresh air module with a valve in a second position according to an embodiment of the present disclosure;

fig. 5 is an enlarged view at a in fig. 4;

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

fig. 7 is an enlarged view at B in fig. 6;

FIG. 8 is a schematic view of a partial structure of a fresh air enclosure according to an embodiment of the disclosure 1;

FIG. 9 is a partial schematic view of a fresh air enclosure according to an embodiment of the present disclosure 2;

Fig. 10 is an enlarged view at B in fig. 8;

FIG. 11 is a schematic cross-sectional view of a fresh air module in a fresh air mode according to an embodiment of the disclosure;

FIG. 12 is an airflow diagram of a fresh air module in a fresh air mode according to an embodiment of the present disclosure;

FIG. 13 is a schematic cross-sectional view of a fresh air module in an exhaust mode according to an embodiment of the disclosure;

FIG. 14 is an airflow chart of a fresh air module in an exhaust mode according to an embodiment of the present disclosure.

FIG. 15 is a cross-sectional view of a fresh air module with a fresh air inlet open according to an embodiment of the present disclosure;

fig. 16 is a cross-sectional view of a fresh air module when a fresh air inlet is plugged according to an embodiment of the present disclosure.

In the above figures: an air inlet panel 1; a shell air inlet 11; a base 2; a fresh air module 3; fresh air case 31; a fan cavity 311; an air intake chamber 312; an air outlet chamber 313; a stopper 3131; a room air inlet 314; a fresh air outlet 315; a fresh air inlet 316; a first housing 317; a through hole 3171; a second housing 318; a third housing 319; a fresh air fan 32; an air inlet side 321; an air outlet side 322; a damper assembly 33; a damper 331; a coil spring 332; a rotation shaft 333; a mounting post 3331; a seesaw lever 334; a first end 3341; a second end 3342; a socket 335; a mounting portion 336; a valve 34; a body 341; a pushing portion 342; a slide 343; a switch assembly 35; a changeover switch 351; a driving member 352; an exhaust passage 36; an exhaust inlet 361; an exhaust outlet 362; a purge assembly 37; fresh air switch 38.

Detailed Description

For the purposes of making the objects and embodiments of the present application more apparent, an exemplary embodiment of the present application will be described in detail below with reference to the accompanying drawings in which exemplary embodiments of the present application are illustrated, it being apparent that the exemplary embodiments described are only some, but not all, of the embodiments of the present application.

It should be noted that the brief description of the terminology in the present application is for the purpose of facilitating understanding of the embodiments described below. And are not intended to limit embodiments of the application. Unless otherwise indicated, these terms should be construed in their ordinary and customary meaning.

The terms first, second and the like in the description and in the claims and in the above-described figures are used for distinguishing between similar or similar objects or entities and not necessarily for describing a particular sequential or chronological order, unless otherwise indicated. It is to be understood that the terms so used are interchangeable under appropriate circumstances.

The terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a product or apparatus that comprises a list of elements is not necessarily limited to all elements explicitly listed, but may include other elements not expressly listed or inherent to such product or apparatus.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The present utility model proposes an air conditioner indoor unit, which will be described below with reference to fig. 1 to 16, wherein the air conditioner indoor unit is a part of an air conditioner, and the air conditioner further comprises an air conditioner outdoor unit.

The air conditioner indoor unit comprises a shell, wherein the shell is arranged indoors, the shell can form the integral appearance of the air conditioner indoor unit, and an accommodating space is defined inside the shell. The casing has top and bottom, and the top of casing and the bottom of casing are the both ends that the casing set up relatively in vertical direction.

The air conditioning indoor unit may be a floor cabinet, but embodiments of the present utility model are not limited thereto.

In the present example, the air conditioning indoor unit is generally cylindrical. The indoor unit of the air conditioner can be in the forms of a cylinder, a square cylinder, an irregular cylinder and the like.

Referring to fig. 1 and 2, the enclosure includes an air intake panel 1, a front panel, a top plate and a base 2, the front panel is located at the front side of the enclosure, the air intake panel 1 is connected at the rear side of the front panel, the top plate is connected above the front panel and the air intake panel 1, and the base 2 is connected below the front panel and the air intake panel 1.

The air inlet panel 1, the front panel, the top plate and the base 2 are enclosed to form an accommodating space. Wherein the top plate 14 forms the top end of the cabinet, the base 2 forms the bottom end of the cabinet, and the base 2 is adapted to sit on the floor of the indoor space.

The directions described herein are based on the direction in which the user faces the indoor unit of the air conditioner, wherein the front side is the side of the indoor unit of the air conditioner facing the user, the opposite side to the front side is the rear side, and the left side and the right side are distinguished from each other in the direction in which the user faces the outdoor unit of the air conditioner.

The shell is provided with a shell air inlet 11 and a shell air outlet (not shown), and a heat exchange air channel is formed in the shell and is communicated with the shell air inlet 11, so that indoor air enters the heat exchange air channel from the shell air inlet 11, and the heat exchange air channel is communicated with the shell air outlet, so that air-conditioning air in the heat exchange air channel can flow into a room from the shell air outlet.

The casing air outlet can be rectangular shape, and the casing air outlet can vertical setting in the front side of air conditioning indoor set, that is to say, the casing air outlet can set up on the front panel, and the casing air intake 11 can set up on air inlet panel 1, conveniently sets up.

The grille can be arranged at the air inlet 11 of the shell, and the number of the air inlets 11 and the air outlets of the shell can be set according to the needs, wherein at least one of the air inlets 11 and the air outlets of the shell is arranged.

The indoor unit of the air conditioner further comprises an indoor heat exchanger and an indoor fan, wherein the indoor heat exchanger is arranged in the heat exchange air duct and used for exchanging heat with indoor air flowing through the indoor heat exchanger. The indoor fan is also arranged in the heat exchange air channel and used for driving indoor air to enter the heat exchange air channel through the shell air inlet 11, and enabling air-conditioning air after heat exchange in the heat exchange air channel to flow along the direction of the shell air inlet 11 towards the shell air outlet.

The indoor heat exchanger may be located at a side of the indoor fan close to the air inlet 11 of the casing, that is, in the airflow direction in the heat exchange air duct, the indoor heat exchanger is located upstream of the indoor fan 5. Of course, in other embodiments, the indoor heat exchanger may also be located on a side of the indoor fan near the air outlet of the enclosure.

When the indoor fan operates, under the drive of the indoor fan, indoor air outside the shell enters the heat exchange air duct through the shell air inlet 11, air flow in the heat exchange air duct exchanges heat with the indoor heat exchanger, and the air-conditioning air after heat exchange is discharged through the shell air outlet, so that the air-conditioning indoor machine can refrigerate and heat, and the comfortable temperature of a user is achieved.

The air conditioner outdoor unit comprises an outdoor machine shell, an outdoor fan and an outdoor heat exchanger.

An outdoor air inlet and an outdoor air outlet are arranged on the outdoor machine shell, an outdoor air channel is arranged in the outdoor machine shell, and the outdoor air channel is communicated with the outdoor air inlet and the outdoor air outlet.

The outdoor air outlet is provided with the air outlet face guard, and the air outlet face guard outwards blows out the wind discharged from the outdoor air outlet in an outward expanding mode, so that the air outlet area is enlarged, the same air quantity is ensured at the outdoor air outlet, the air outlet face guard blows out at reduced air speed, and the noise of an air conditioner outdoor unit is reduced.

The outdoor heat exchanger is arranged in the outdoor machine shell and positioned in the outdoor air duct, is positioned at the outdoor air inlet and positioned at the inner side of the outdoor air inlet, and is used for exchanging heat with the outdoor air entering the outdoor air duct.

The outdoor fan is arranged in the outdoor machine shell and positioned in the outdoor air duct, and the outdoor fan is used for providing power for the flowing of air. Under the drive of the outdoor fan, outdoor air enters the outdoor air channel through the outdoor air inlet, the air entering the outdoor air channel exchanges heat with the outdoor heat exchanger at the outdoor heat exchanger, and the air after heat exchange flows out of the outdoor air channel through the outdoor air outlet.

The air conditioner further includes a compressor provided in the outdoor unit casing, the compressor compressing refrigerant gas in a low temperature and low pressure state to discharge refrigerant gas in a high temperature and high pressure state, and an expansion valve expanding liquid-phase refrigerant in a high temperature and high pressure state condensed in the condenser into low pressure liquid-phase refrigerant.

Of the indoor heat exchanger and the outdoor heat exchanger, one is a condenser and the other is an evaporator. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process, and the evaporator may achieve a cooling effect by exchanging heat with a material to be cooled using latent heat of evaporation of the refrigerant.

The air conditioner has a refrigerant circuit that circulates a refrigerant by annularly connecting a compressor, a condenser, an expansion valve, and an evaporator in this order. The air conditioner includes a cooling mode in which the indoor heat exchanger is an evaporator and the outdoor heat exchanger is a condenser, and a heating mode in which a refrigerant circulates sequentially through the compressor, the outdoor heat exchanger, the expansion valve, and the indoor heat exchanger. In the heating mode, the indoor heat exchanger is a condenser and the outdoor heat exchanger is an evaporator, and the refrigerant circulates through the compressor, the indoor heat exchanger, the expansion valve, and the outdoor heat exchanger in this order.

In order to realize the fresh air function of the air conditioner indoor unit, referring to fig. 1, the air conditioner indoor unit further comprises a fresh air module 3, wherein the fresh air module 3 is positioned in the accommodating space of the casing, and the fresh air module 3 is positioned below the heat exchange air duct and is used for introducing outdoor fresh air into the room and discharging indoor polluted air to the outside. Wherein, new trend module 3 installs on the base 2 of casing.

Referring to fig. 3 to 8, the fresh air module 3 includes a fresh air case 31, a fresh air fan 32, an exhaust passage 36, and a flow direction control part.

The fresh air shell 31 is provided with a room air inlet 314, a fresh air outlet 315 and a fresh air inlet 316, and a fan cavity 311, an air inlet cavity 312 and an air outlet cavity 313 are defined in the fresh air shell 31. The fresh air fan 32 is arranged in the fan cavity 311 and provides power for airflow flowing in the fresh air shell 31. The air intake cavity 312 communicates with the air intake side of the fresh air blower 32, and the air intake cavity 312 communicates with the fresh air inlet 316, the fresh air inlet 316 being adapted to communicate with the outside such that outdoor fresh air can enter the air intake cavity 312 via the fresh air inlet 316. The air outlet cavity 313 is communicated with the air inlet side of the fresh air fan 32, and the air outlet cavity 313 is communicated with the fresh air outlet 315, and the fresh air outlet 315 is suitable for being communicated with the room, so that the air flow in the air outlet cavity 313 can flow out into the room through the fresh air outlet 315. The fan chamber 311 is in communication with a room air inlet 314, and the room air inlet 314 is located on the air intake side of the fresh air fan 32, the room air inlet 314 being adapted to communicate with the room so that room air can enter the fan chamber 311 via the room air inlet 314.

The air exhaust channel 36 is connected to the fresh air shell 31, and the air exhaust channel 36 is communicated between the air outlet cavity 313 and the air inlet cavity 312, the air exhaust channel 36 is communicated with the air outlet cavity 313 through an air exhaust inlet 361, and the air exhaust channel 36 is communicated with the air inlet cavity 312 through an air exhaust outlet 362. Under the action of the fresh air fan 32, air flow in the air outlet cavity 313 can enter the air outlet channel 36 through the air outlet 361 and then enter the air inlet cavity 312 through the air outlet 362.

More specifically, in the present embodiment, referring to fig. 6 and 11, the fresh air casing 31 includes a first casing 317, a second casing 318, and a third casing 319, the third casing 319 is formed with a fan cavity 311, the fresh air fan 32 is disposed in the third casing 319, the first casing 317 is formed with an air inlet cavity 312, the second casing 318 is formed with an air outlet cavity 313, and the first casing 317 and the second casing 318 are respectively connected to an air inlet end and an air outlet end of the third casing 319.

Referring to fig. 11, the fresh air module 3 is disposed on the base 2, and the fresh air inlet 316 may be disposed opposite to the air inlet side 321 of the fresh air fan 32, so that the outdoor fresh air directly enters, and the fresh air inlet speed and the air inlet quantity are improved. The air flow is blown out from the direction that the air outlet side of the fresh air fan 32 deviates from the base 2, the fresh air inlet 316 is positioned at the rear side of the fresh air module 3, and the fresh air outlet 315 is positioned at the front side of the fresh air module 3, so that outdoor fresh air enters and exits from the front, and the air inlet and air outlet requirements are guaranteed. Meanwhile, the fresh air outlet 315 is positioned at the front side of the fresh air module 3, so that the air flow path from the fresh air module 3 to the fresh air port of the casing is shortened, the energy consumption is reduced, and the structure of the indoor unit of the air conditioner can be more compact and more compact.

The flow direction control part is connected with the fresh air shell 31 for the air current flow direction and the route in the control fresh air shell 31, and the flow direction control part can be at least at fresh air state and state switch of airing exhaust, so that fresh air module 3 during operation can switch under fresh air mode or mode of airing exhaust, has the advantage of integration height and modularization, has solved the user and has painful the point, has improved user experience.

Referring to fig. 11 and 12, the fresh air module 3 is shown in a schematic structure in a fresh air mode, and a dotted line is depicted in fig. 12 to indicate a flow path of an air flow, and an arrow carried by the dotted line is used to indicate a flow direction of the air flow. Flow direction control part in new trend state for new trend import 316 loops through air inlet chamber 312, fan chamber 311 and air-out chamber 313 and fresh air outlet 315 intercommunication formation new trend wind channel, and new trend wind channel can be used to introduce outdoor new trend through new trend import 316 this moment, and carries out the air-out to indoor through the new trend outlet 315, improves the quality of indoor air environment, improves indoor choking and feel.

Referring to fig. 13 and 14, the fresh air module 3 is schematically shown in the exhaust mode. The dashed lines depicted in fig. 14 are used to characterize the flow path of the gas flow, with the arrows carried by the dashed lines being used to characterize the flow direction of the gas flow. The flow direction control component in the exhaust state enables the indoor air inlet 314 to be communicated with the fresh air inlet 316 sequentially through the fan cavity 311, the air outlet cavity 313, the exhaust channel 36 and the air inlet cavity 312 to form an exhaust air channel, at the moment, the exhaust air channel can convey indoor dirty air entering from the indoor air inlet 314 to the fresh air inlet 316, and the indoor dirty air is exhausted from the fresh air inlet 316 to the outside, so that the fresh air inlet 316 is converted into an exhaust outlet from an air inlet, and the exhaust purpose is achieved.

The indoor unit of air conditioner that this embodiment provided for it is through setting up flow direction control mechanism for fresh air import 316 can be according to fresh air module 3's running mode, switches between air intake and air exit, has avoided additionally seting up the air exit, and then has avoided setting up extra pipeline intercommunication outdoor and air exit, has simplified fresh air module 3 structure, has made things convenient for the installation of fresh air module 3 and air conditioning indoor unit.

Specifically, the flow direction control member includes a switch assembly 35, the switch assembly 35 being disposed in the air outlet chamber 313, the switch assembly 35 having a first state in which the air outlet side of the fresh air fan 32 is blocked from the air discharge passage 36, and a second state in which the air outlet side 322 is blocked from the fresh air outlet 315. That is, the switch assembly 35 can connect or disconnect the air outlet side of the fresh air fan 32 to or from the air exhaust channel 36 through the air outlet chamber 313, and the switch assembly 35 can also connect or disconnect the air outlet side of the fresh air fan 32 to or from the fresh air outlet 315 through the air outlet chamber 313. Wherein, the fresh air outlet 315 may be disposed opposite to the exhaust air inlet 361.

Referring to fig. 12, when the switch assembly 35 is in the first state, the air outlet side of the fresh air fan 32 is isolated from the air exhaust channel 36 and the air outlet side of the fresh air fan 32 is in communication with the fresh air outlet 315, and the air flow on the air outlet side of the fresh air fan 32 is adapted to exhaust air from the fresh air outlet 315. Referring to fig. 14, when the switch assembly 35 is in the second state, the air outlet side of the fresh air fan 32 is in communication with the air exhaust channel 36 and the air outlet side of the fresh air fan 32 is isolated from the fresh air outlet 315, and the air flow on the air outlet side of the fresh air fan 32 is adapted to exhaust air from the fresh air inlet 316.

The terms "suitable for … … exhaust" and "suitable for … … intake" herein refer to a state of ventilation when the flow direction control member does not block the airflow path at the corresponding position.

Specifically, the switch assembly 35 may include a switch 351, where the switch 351 is movably disposed in the air outlet cavity 313, and the switch 351 is correspondingly connected with a driving member 352, and the switch 351 is driven by the driving member 352 to operate so as to switch the switch assembly 35 between a first state and a second state.

It should be noted that the specific configuration of the switch 351 is not limited in the present application, and the switch 351 may be a rotary switch, a pull switch, a sliding switch, a shutter switch, or the like, which is not described herein.

For the above-described switch assembly 35, the changeover switch 351 may be configured with at least one. Taking fig. 11 as an example, when the switch 351 is configured as one, the driving element 352 may be a motor, and an output shaft of the motor is connected with the switch 351 to control the switch 351 to rotate in the air outlet cavity 313, so that the switch assembly 35 is switched between the first state and the second state.

In other embodiments, the switch 351 may be configured with multiple switches 351 independent of each other. Specifically, a first switch is disposed between the fresh air outlet 315 and the air outlet 313 for controlling the connection or disconnection between the fresh air outlet 315 and the air outlet 313, and a second switch is disposed between the air outlet 361 of the air exhaust channel 36 and the air outlet 313 for controlling the connection or disconnection between the air outlet 361 and the air outlet 313. When the switch assembly 35 is in the first state, the first switch is in the on position, and the second switch is in the off position, at which time the airflow in the air outlet 313 is adapted to be exhausted from the fresh air outlet 315. When the switch assembly 35 is in the second state, the first switch is in the off position, and the second switch is in the on position, so that the air flow in the air outlet cavity 313 is suitable for the fresh air inlet 316.

It should be noted that, when the change-over switch 351 is a rotary switch, a plurality of stop portions 3131 may be disposed in the air outlet cavity 313, and the stop portions 3131 are configured to abut against the rotary switch when the rotary switch is rotated to the first state or the second state of the switch assembly 35, and the rotation of the rotary switch is precisely limited by using the plurality of stop portions 3131, so as to avoid the abnormal problems of increased wind resistance or poor air tightness of the air flow path caused by inaccurate rotation positions of the rotary switch.

Referring to fig. 3-10, the flow control assembly further includes a damper assembly 33 and a valve 34. The damper assembly 33 is movably coupled to the chamber air inlet 314, and the damper assembly 33 has an initial state of closing the chamber air inlet 314 and an open state of opening the chamber air inlet 314. The valve 34 is movable between a first position and a second position, and when the valve 34 is moved from the first position to the second position until the valve 34 contacts the damper assembly 33, the valve 34 continues to move to the second position to drive the damper assembly 33 to open the chamber air inlet 314.

Specifically, referring to FIG. 10, the damper assembly 33 includes a damper 331, two coil springs 332. The air door 331 is rotationally connected with the fresh air shell 31, and the air door 331 is rotationally connected to the room wind inlet 314 for opening or closing the room wind inlet 314, two coil springs 332 are respectively sleeved at two ends of a rotating shaft 333 of the air door 331, one end of each coil spring 332 is connected with the rotating shaft 333, the other end of each coil spring 332 is connected with the fresh air shell 31, the rotating force and torque of each coil spring 332 enable the air door 331 to block the room wind inlet 314, and the sealing performance of the air door 331 is improved. The coil spring 332 may be a torsion spring. In this embodiment, the chamber air inlet 314 is formed in the third housing 319 and the damper 331 is rotatably connected to the third housing 319.

Referring to fig. 5, the damper 331 is rotated clockwise to close the chamber wind inlet 314, that is, when it is required to close the chamber wind inlet 314, the coil spring 332 is required to apply a clockwise force to the rotation shaft 333 to drive the damper 331 to rotate clockwise. When the spiral spring 332 is installed, one end of the spiral spring 332 is connected to the rotating shaft 333, and the other end of the spiral spring 332 rotates anticlockwise around the rotating shaft 333 for a plurality of circles and then is connected to the fresh air shell 31, so that the rotating shaft 333 rotates clockwise due to the rotating force and torque of the spiral spring 332 under the driving condition of the driving piece 352-free air door assembly 33, and the air door 331 closes and seals the room air inlet 314. The length and the number of rotations of the coil spring 332 may be set according to practical needs.

In order to enable the spiral spring to provide smaller rotation force and torque to realize the blocking of the chamber air inlet 314, the chamber air inlet 314 can be formed on the top wall of the fan cavity 311, namely, the top end of the third shell 319 is formed, the air door 331 is rotatably connected to the outer side of the chamber air inlet 314, and the arrangement enables the air door 331 to close and block the chamber air inlet 314 under the combined action of the gravity of the air door 331, the rotation force and torque of the spiral spring 332, so that the length of the spiral spring 332 can be effectively shortened, and the rotation number of the spiral spring 332 can be reduced.

The air door assembly 33 further comprises a tilting rod 334, the tilting rod 334 has a first end 3341 and a second end 3342, the middle part of the tilting rod 334 is rotatably connected to the fresh air housing 31, and the first end 3341 of the tilting rod 334 is movably connected to the air door 331. The warped rod 334 of this configuration is configured to rotate relative to the fan cavity 311 when the second end 3342 is subjected to a force.

To place the damper assembly 33 in the open position to open the chamber air inlet 314, a driving force is applied to the second end 3342 of the seesaw lever 334 in a direction toward the interior of the fan chamber 311, the driving force pushing against the second end 3342 of the seesaw lever 334 such that the seesaw lever 334 rotates relative to the fan chamber 311, the seesaw lever 334 rotating to rotate the damper 331 in a direction opposite to the rotational force of the coil spring 332 to open the chamber air inlet 314.

The air door component 33 under this structure, the air door 331 can open the room wind inlet 314 under the drive of driving force, when needs close room wind inlet 314, the rotation force of coil spring 332 makes the air door 331 close and shutoff room wind inlet 314, need not the driving force and can self-closing, and has improved the leakproofness of air door 331.

Referring to fig. 10, in order to realize the rotational connection between the air door 331 and the fresh air housing 31, two sleeved parts 335 are opposite and spaced on the outer wall of the fresh air housing 31, and two ends of the rotating shaft 333 of the air door 331 are respectively rotationally connected in the sleeved parts 335, so that the air door 331 is rotationally connected to the fresh air housing 31.

Further, in order to facilitate the installation of the coil spring 332, the two ends of the rotation shaft 333 extend to the outside of the sleeve joint portion 335 along the axial direction thereof to form the mounting posts 3331, the two mounting posts 3331 are provided with the mounting portions 336 at the ends far away from the sleeve joint portion 335, the two mounting portions 336 are fixedly arranged on the fresh air shell 31, the two mounting portions 336 are provided with mounting holes, the mounting holes are coaxially arranged with the mounting posts 3331, and the mounting posts 3331 are rotationally connected with the mounting holes.

The two mounting portions 336 are provided with slots on one side facing each other, the outer circumferential surface of the mounting post 3331 is provided with a shaft hole, the two coil springs 332 are respectively sleeved outside the two mounting posts 3331 and located between the mounting portions 336 and the sleeve connection portions 335, one ends of the coil springs 332 are connected in the slots, and the other ends of the coil springs 332 are connected in the shaft holes of the mounting posts 3331.

Further, the valve 34 is movable between a first position and a second position, as shown in fig. 3, when the valve 34 is in the first position, the air inlet cavity 312 is in communication with the air inlet side of the fresh air fan 32 and the air door assembly 33 is in an initial state; when the valve 34 is in the second position, as shown in fig. 5, the valve 34 is connected to the damper assembly 33, the air intake cavity 312 is isolated from the air intake side of the fresh air blower 32, and the room air inlet 314 is open.

Specifically, with continued reference to fig. 3 and 5, the valve 34 includes a body 341 and a pushing portion 342, the fresh air housing 31 is provided with a through hole 3171 communicating with the air inlet 312, the body 341 is disposed in the through hole 3171, the through hole 3171 is provided for the body 341 to move, and the pushing portion 342 is disposed on one side of the body 341 close to the air door assembly 33. When the valve 34 moves from the first position toward the second position until the pushing portion 342 contacts the second end 3342 of the seesaw lever 334, the valve 34 continues to move such that the pushing portion 342 provides a driving force to push the seesaw lever 334 to open the chamber air inlet 314. When the valve 34 moves to abut against the chamber wall disposed opposite to the through-hole 3171, the valve 34 is in the second position, and the abutting portion 342 is located outside the air intake chamber 312.

In this embodiment, the valve 34 is moved to provide driving force for opening the air door 331 to the air inlet 314, and the coil spring 332 is utilized to automatically close and block the air inlet 314, so that the air door 331 does not need to be separately provided with a driving member 352 to control the air door 331 to open and close the air inlet 314, thereby greatly reducing the failure rate and the production cost of the fresh air module 3.

Referring to fig. 11 and 12, when the switch assembly 35 is in the first state and the valve 34 is in the first position, the flow direction control component is in the fresh air state, and at this time, the fresh air inlet 316 is communicated with the fresh air outlet 315 sequentially through the air inlet cavity 312, the fan cavity 311 and the air outlet cavity 313 to form a fresh air duct. Referring to fig. 13 and 14, when the switch assembly 35 is in the second state and the valve 34 is in the second position, the flow direction control member is in the exhaust state, and at this time, the room air inlet 314 is sequentially communicated with the fresh air inlet 316 through the fan chamber 311, the air outlet chamber 313, the exhaust channel 36 and the air inlet chamber 312 to form an exhaust air channel.

The air conditioner indoor unit provided by the embodiment above, through setting up flow direction control part and carrying out special wind channel design to the inside of new trend module 3 for new trend module 3 is at the during operation, only need directly drive control to switch module 35 and valve 34, can control and switch the inside air current flow direction and the flow path of new trend shell 31, and then realize the switching of new trend mode and mode of airing exhaust, simple structure, control convenience, avoid setting up more driving piece 352 and lead to taking great space, when reducing the whole volume of new trend module 3, reduced manufacturing cost, can reduce air conditioning system's control degree of difficulty simultaneously.

In the above embodiment, the through hole 3171 may be formed on the top wall of the air inlet 312 and located at one side of the chamber air inlet 314, and the valve 34 moves in the vertical direction in the through hole 3171 between the first position and the second position. Meanwhile, the air exhaust channel 36 is located at the top of the fresh air module 3, when the valve 34 is located at the first position, the valve 34 is abutted with the outer wall of the air exhaust channel 36, when the valve 34 is located at the second position, the bottom end of the valve 34 is abutted with the bottom wall of the air inlet cavity 312, the air exhaust channel 36 and the bottom wall of the air inlet cavity 312 can accurately limit the movement of the valve 34, and the switching precision of the valve 34 between the first position and the second position is improved.

In the process of moving the valve 34 from the first position to the second position, in order to facilitate the pushing portion 342 to push against the second end 3342 of the tilting lever 334, a slide 343 is provided on one side of the pushing portion 342 facing the fan cavity 311, the slide 343 extends linearly from the valve 34 in a direction close to the chamber air inlet 314, when the pushing portion 342 contacts with the second end 3342 of the tilting lever 334, the slide 343 is used for accommodating the second end 3342 of the tilting lever 334, and the pushing portion 342 pushes against the second end 3342 of the tilting lever 334 to move along the extending direction of the slide 343, and the slide 343 guides the movement.

Referring to fig. 4 and 6, the fresh air module 3 further includes a purifying component 37, the purifying component 37 is disposed in the fan cavity 311 and is located on the air inlet side of the fresh air fan 32, the room air inlet 314 is located between the purifying component 37 and the fresh air fan 32, that is, the room air inlet 314 is located on one side of the purifying component 37 facing the fresh air fan 32, and indoor dirty air does not need to flow through the purifying component 37 after entering the fan cavity 311 from the room air inlet 314, but directly enters the fresh air fan 32, and finally is discharged outdoors through the fresh air inlet 316. This setting reduces the air inlet resistance of airing exhaust for the indoor dirty air's of discharge speed has increased the volume of airing exhaust, and then improves the update speed of indoor air, has improved user experience. Meanwhile, the purifying component 37 can purify the outdoor fresh air entering the fresh air duct.

Specifically, when the fresh air module 3 operates in the fresh air mode, the switch assembly 35 is in the first state and the valve 34 is in the first position, at this time, the fresh air inlet 316 is communicated with the air inlet cavity 312, the chamber air inlet 314 is closed and the air inlet cavity 312 is communicated with the air inlet side of the fresh air fan 32, and at the same time, the air outlet side of the fresh air fan 32 is isolated from the air exhaust inlet 361 and the air outlet side of the fresh air fan 32 is communicated with the fresh air outlet 315. Under the action of the fresh air fan 32, outdoor fresh air is sucked into the air inlet cavity 312 through the fresh air inlet 316 and then enters the fresh air fan 32 after being purified by the purifying component 37, and outdoor fresh air blown out from the air outlet side of the fresh air fan 32 enters the air outlet cavity 313 and finally is sent into a room through the fresh air outlet 315, so that a fresh air function of introducing outdoor fresh air from the outside to the inside is realized. Wherein, the purification module 37 can filter outdoor new trend, improves the cleanliness factor of the indoor air of entering, is favorable to protecting user's healthy.

When the fresh air module 3 operates in the air exhaust mode, the switch assembly 35 is in the second state and the valve 34 is in the second position, at this time, the room air inlet 314 is opened and the air inlet cavity 312 is blocked from the air inlet side of the fresh air fan 32, the air outlet side of the fresh air fan 32 is communicated with the air exhaust inlet 361 and the air outlet side of the fresh air fan 32 is blocked from the fresh air outlet 315, the air exhaust channel 36 is communicated with the air inlet cavity 312 through the air exhaust outlet 362, and the air inlet cavity 312 is communicated with the fresh air inlet 316. Under the action of the fresh air fan 32, indoor dirty air is sucked into the fan cavity 311 through the indoor air inlet 314 and blown to the air outlet cavity 313 through the air outlet side of the fresh air fan 32, and indoor dirty air in the air outlet cavity 313 enters the air inlet cavity 312 through the air exhaust channel 36 and is finally discharged outdoors through the fresh air inlet 316, so that the effect of discharging the dirty air outdoors can be achieved.

Further, referring to fig. 15 and 16, in the above indoor unit of an air conditioner, a fresh air switch 38 may be movably disposed in the air inlet chamber 312, and the fresh air switch 38 may be movable to a position for blocking the fresh air inlet 316 or to a position for opening the fresh air inlet 316. When the indoor unit of the air conditioner is shut down, the fresh air switch 38 moves to a position for blocking the fresh air inlet 316, so that outdoor backflow air and outdoor backflow noise can be effectively prevented from being transmitted into a room, and user experience is improved. When the air conditioner indoor unit is operated in the fresh air mode or the exhaust mode, the fresh air switch 38 is moved to a position to open the fresh air inlet 316.

It should be noted that the specific configuration of the fresh air switch 38 is not limited in the present application, and the fresh air switch 38 may be a rotary switch, a pull switch, a sliding switch, a shutter switch, or the like, which is not described herein.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.

The foregoing description, for purposes of explanation, has been presented in conjunction with specific embodiments. However, the illustrative discussions above are not intended to be exhaustive or to limit the embodiments to the precise forms disclosed above. Many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles and the practical application, to thereby enable others skilled in the art to best utilize the embodiments and various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. An air conditioning indoor unit, comprising:

a housing;

2. The indoor unit of claim 1, further comprising a purification assembly disposed within the blower cavity and positioned on an air intake side of the fresh air blower, the room air inlet positioned between the purification assembly and the fresh air blower, the purification assembly configured to purify outdoor fresh air entering the fresh air duct.

3. The indoor unit of claim 1, wherein the switch assembly comprises at least one switch, the switch is movably disposed in the air outlet cavity, the switch is correspondingly connected with a driving member, and the switch is operated by the driving member to switch the switch assembly between a first state and a second state.

4. An air conditioning indoor unit according to any of claims 1 to 3, wherein the damper assembly comprises:

the air door is rotationally connected to the room air inlet;

5. The indoor unit of claim 4, wherein the valve comprises a body and a pushing portion, a through hole communicated with the air inlet cavity is formed in the fresh air shell, the body is arranged in the through hole in a penetrating mode, the through hole is used for enabling the body to move, the pushing portion is arranged on one side, close to the air door assembly, of the body, and when the valve moves from a first position to a second position, the valve moves continuously until the pushing portion contacts with the second end of the warping rod, so that the pushing portion provides the driving force to push the warping rod to open the indoor air inlet.

6. The indoor unit of claim 5, wherein the pushing portion is provided with a slide way toward one side of the fan chamber, the slide way extends linearly from the valve in a direction approaching the wind inlet of the room, the slide way is configured to accommodate the second end of the warping rod when the pushing portion contacts the second end of the warping rod, and the pushing portion pushes the second end of the warping rod to move along the extending direction of the slide way.

7. The indoor unit of claim 5, wherein the indoor air port is provided on a top wall of the fan chamber, the damper is rotatably connected to an outside of the indoor air inlet, the through hole is provided on the top wall of the air inlet chamber, and the valve moves between the first position and the second position in a vertical direction.

8. The indoor unit of claim 7, wherein the air exhaust channel is located at a top of the fresh air housing, the valve is in abutment with an outer wall of the air exhaust channel when the valve is located at a first position, and a bottom end of the valve is in abutment with a bottom wall of the air intake chamber when the valve is located at a second position.

9. The indoor unit of claim 1, wherein a fresh air switch is movably disposed in the air intake chamber, and the fresh air switch is movable to a position for blocking the fresh air inlet or to a position for opening the fresh air inlet.

10. The indoor unit of claim 1, wherein the housing includes a base, the fresh air housing is mounted on the base, an air outlet side of the fresh air fan blows air flow toward a direction away from the base, the air exhaust channel is communicated with the air outlet cavity through an air exhaust inlet, the fresh air outlet is opposite to the air exhaust inlet, and the fresh air inlet is opposite to an air inlet side of the fresh air fan.