CN117190308A - Air conditioner indoor unit and air conditioner with same - Google Patents

Abstract

The invention discloses an air conditioner indoor unit and an air conditioner with the same, wherein the air conditioner indoor unit comprises: the indoor unit comprises an indoor unit body, a fresh air pipe, an air guide pipe, a fresh air heater and an auxiliary heater, wherein an air inlet is formed in the indoor unit body, the exhaust end of the fresh air pipe is communicated with the air inlet, the fresh air pipe is suitable for guiding outdoor fresh air to the air inlet, the air inlet end of the air guide pipe is communicated with the indoor space, the exhaust end of the air guide pipe is communicated with the air inlet, the air guide pipe is suitable for guiding indoor air to the air inlet, the fresh air heater is arranged at the air inlet to heat air flow flowing into the air inlet, and the auxiliary heater can selectively heat indoor air flowing into the air inlet in the air guide pipe. Through setting up guide duct and auxiliary heater, with indoor wind heating back direction air intake, mix with the new trend that flows from the new tuber pipe to the air intake, initially promote new trend temperature, through new trend heater to air current secondary heating again, it is effectual to the heating of new trend, and new trend temperature promotes great, and user's use travelling comfort is better.

Description

Air conditioner indoor unit and air conditioner with same

Technical Field

The invention relates to the field of household appliances, in particular to an air conditioner indoor unit and an air conditioner with the same.

Background

The existing air conditioner is provided with a fresh air system, outdoor fresh air is led into a room, and the use comfort of a user is improved. However, when the climate is abnormal, such as in winter, the pure fresh air enters the room to cause discomfort to the human body. Therefore, part of air conditioners have a fresh air heating function, the heater is arranged at the fresh air inlet, the outdoor fresh air flowing into the air conditioner is heated in a reduced mode, the air conditioner is limited by the structural size of the air conditioner, the size of the heater is insufficient, the fresh air heating quantity is small, and the problem that the fresh air heating quantity is insufficient exists.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present invention is to provide an indoor unit of an air conditioner, which has a larger heating amount for fresh air, and improves the indoor temperature of the fresh air and the use comfort of users.

Another object of the present invention is to provide an air conditioner.

According to an embodiment of the invention, an indoor unit of an air conditioner comprises: the indoor unit comprises an indoor unit body, wherein an air inlet is formed in the indoor unit body; the exhaust end of the fresh air pipe is communicated with the air inlet, and the fresh air pipe is suitable for guiding outdoor fresh air to the air inlet; the air inlet end of the air guide pipe is communicated with the indoor space, the air outlet end of the air guide pipe is communicated with the air inlet, and the air guide pipe is suitable for guiding indoor air to the air inlet; fresh air heater and auxiliary heater, fresh air heater sets up the air intake is in order to flow into the air current of air intake heats, auxiliary heater is optional to flow into in the guide duct the indoor wind of air intake heats.

According to the air conditioner indoor unit provided by the embodiment of the invention, the air guide pipe and the auxiliary heater are arranged, the indoor air is heated and then guided to the air inlet, the air guide pipe is mixed with the fresh air flowing from the fresh air pipe to the air inlet, the fresh air temperature is primarily increased, the air flow is secondarily heated by the fresh air heater, the heating effect on the fresh air is good, the fresh air temperature is greatly increased, the fresh air inlet temperature is higher, and the use comfort of a user is better.

In some implementations, the air intake includes: the air inlet device comprises a first air inlet and a second air inlet, wherein the exhaust end of a fresh air pipe is communicated with the first air inlet, the air inlet end of an air guide pipe is communicated with the second air inlet, the exhaust end of the air guide pipe is communicated with the first air inlet, and the air guide pipe is suitable for guiding at least part of indoor air flowing into the second air inlet to the first air inlet.

In some embodiments, an air guide channel is provided in the air guide pipe, and the auxiliary heater is provided in the air guide channel.

Specifically, the indoor unit of the air conditioner further comprises: the auxiliary fan is arranged on the air guide pipe to guide at least part of indoor air of the second air inlet to the first air inlet.

In some embodiments, the air conditioning indoor unit further comprises: the fresh air electric control box is arranged adjacent to the air inlet end of the air guide pipe.

In some embodiments, the exhaust end of the air duct may be selectively in communication with a channel within the first air intake or the new air duct.

Specifically, when the exhaust end of the air guide pipe is communicated with the channel in the new air pipe, the auxiliary heater stops working.

Further, a first pipeline is arranged between the exhaust end of the air guide pipe and the first air inlet, and a second pipeline is arranged between the exhaust end of the air guide pipe and the fresh air pipe.

Optionally, an air duct valve is disposed at an exhaust end of the air guide pipe, and the air duct valve is adapted to guide indoor air in the air guide pipe to the first pipeline or the second pipeline.

In some embodiments, the air conditioning indoor unit further comprises: the humidifying device is arranged in the indoor unit body, an air inlet channel communicated with the air inlet is formed in the indoor unit body, and the humidifying device is arranged in the air inlet channel; the hot air flow flowing into the air inlet can heat the humidifying device.

The air conditioner comprises any one of the air conditioner indoor units.

According to the air conditioner provided by the embodiment of the invention, through the arrangement of the air conditioner indoor unit, the fresh air heating amount of the air conditioner is large, the fresh air indoor temperature is high, and the use comfort of a user is good.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a perspective exterior view of an indoor unit of an air conditioner according to an embodiment of the present invention;

fig. 2 is a schematic operation view of an indoor unit of an air conditioner in a heating state according to an embodiment of the present invention;

fig. 3 is a schematic operation diagram of an indoor unit of an air conditioner in a heat dissipation state according to an embodiment of the present invention;

fig. 4 is a structural exploded view of an indoor unit of an air conditioner according to an embodiment of the present invention;

FIG. 5 is a schematic view of the installation of a fresh air duct and a fresh air electronic control box according to an embodiment of the present invention;

fig. 6 is a front view of an air conditioner indoor unit according to an embodiment of the present invention;

FIG. 7 is a C-C cross-sectional view according to the example shown in FIG. 6;

fig. 8 is a plan view of an indoor unit of an air conditioner according to an embodiment of the present invention;

FIG. 9 is a D-D cross-sectional view according to the example shown in FIG. 8;

fig. 10 is a side view of an air conditioner indoor unit according to an embodiment of the present invention;

FIG. 11 is a B-B cross-sectional view according to the example shown in FIG. 10;

fig. 12 is a cross-sectional view of a new air duct according to an embodiment of the present invention.

Reference numerals:

an air conditioner indoor unit 100,

An indoor unit body 1, an air inlet 11, a first air inlet 111, a second air inlet 112, an air outlet 12,

New air pipe 2, new air adapter 21,

The air guide pipe 3, the fresh air transfer box 30, the first pipeline 31, the second pipeline 32, the air duct valve 33, the heating valve 331, the heat dissipation valve 332,

Auxiliary heater 41, auxiliary blower 42, heat radiation shield 43, switching air disk 44, air deflector 441,

Fresh air electric control box 5,

Fresh air heater 6,

Humidification device 7, water tank 71, wet film 72,

A temperature and humidity sensor 8,

An indoor unit fan 9,

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. In the description of the invention, a "first feature" or "second feature" may include one or more of such features. In the description of the present invention, "plurality" means two or more.

An air conditioning indoor unit 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 12.

An air conditioning indoor unit 100 according to an embodiment of the present invention includes: the indoor unit body 1, the new tuber pipe 2, the guide duct 3, new trend heater 6 and auxiliary heater 41, be provided with air intake 11 on the indoor unit body 1, the exhaust end and the air intake 11 intercommunication of new tuber pipe 2, new tuber pipe 2 is suitable for the fresh air direction air intake 11 of outdoor, the inlet end and the indoor intercommunication of guide duct 3, the exhaust end and the air intake 11 intercommunication of guide duct 3, guide duct 3 is suitable for the indoor wind direction air intake 11, new trend heater 6 sets up at air intake 11 in order to heat the air current that flows into air intake 11, auxiliary heater 41 optionally heats the indoor wind that flows into air intake 11 in the guide duct 3.

The indoor unit body 1 is provided with an air inlet 11, and it can be understood that the air conditioner indoor unit 100 is arranged indoors, so that indoor air flow can flow into the indoor unit body 1 through the air inlet 11 and exchange heat with an indoor heat exchanger in the indoor unit body 1. And the inlet end and the outdoor intercommunication of new trend pipe 2, the exhaust end and the air intake 11 intercommunication of new trend pipe 2, the new trend pipe 2 can be with outdoor new trend direction air intake 11, thereby be located indoor unit body 1 with outdoor new trend direction, and new trend accessible air intake 11 flows into indoor unit body 1, exchange heat with the indoor heat exchanger in the indoor unit body 1, can make outdoor new trend flow into indoor through setting up new tuber pipe 2, promote air circulation speed, improve indoor air quality, promote user's use travelling comfort, and new tuber pipe 2 is with outdoor new trend direct direction air intake 11, the new trend gets into indoor earlier with indoor heat exchanger heat transfer back to discharge to indoor, can not influence the normal use of air conditioner indoor machine 100, can not reduce user experience. In some special days, for example, in winter, the air conditioner indoor unit 100 performs a heating operation, at this time, the outdoor fresh air temperature is low, and the temperature of the fresh air is low only after the fresh air passes through the heat exchange of the indoor heat exchanger, so that the indoor temperature is reduced, and the user experience is reduced. Therefore, the fresh air heater 6 is arranged at the air inlet 11, and fresh air enters the air inlet 11 and is heated by the fresh air heater 6 and then exchanges heat with the indoor heat exchanger, so that the fresh air temperature can be increased, and the service life of the indoor heat exchanger can be prolonged. It will be appreciated that the fresh air heater 6 can heat not only the fresh air flowing into the air inlet 11 but also the indoor air flowing from the air inlet 11, so that the fresh air heater 6 can be used not only when the fresh air is flowing into the room, but also when the indoor unit 100 of the air conditioner is circulating indoors.

However, the size of the air conditioning indoor unit 100 is affected, and in consideration of the energy-saving effect, the size of the fresh air heater 6 is smaller, the power is lower, the heating effect on the fresh air is limited, and when the fresh air with extremely low temperature enters the air inlet 11, the fresh air heater 6 can not rapidly raise the temperature of the fresh air, and the user experience can be affected.

According to the embodiment of the invention, the air guide pipe 3 and the auxiliary heater 41 are arranged to further heat the fresh air, so that the temperature of the fresh air entering the room from the exhaust end of the fresh air pipe 2 is quickly increased, and the user experience is improved.

The air inlet end and the indoor intercommunication of guide duct 3, the exhaust end and the air intake 11 intercommunication of guide duct 3, guide duct 3 is with indoor wind direction air intake 11, auxiliary heater 41 can heat the indoor wind that flows into air intake 11 in the guide duct 3, auxiliary heater 41 heats indoor wind, and guide duct 3 is with the indoor wind direction air intake 11 after heating, the indoor wind after heating just mixes at air intake 11 department with the new trend, and enter indoor set body 1 from air intake 11 together, thereby make the air current temperature that flows into air intake 11 promote, the indoor wind after the heating of air duct 3 flow into air intake 11 is just to the preliminary heating of new trend, then the air current that flows into indoor set body 1 from air intake 11 is by new trend heater 6 secondary heating, thereby promote the heating capacity of air conditioner indoor set 100 to the new trend, promote user's use travelling comfort.

And it can be understood that the auxiliary heater 41 heats the indoor air, so that the auxiliary heater 41 can rapidly heat the indoor air to a higher temperature, and can rapidly heat the air flow.

The auxiliary heater 41 selectively heats the indoor air flowing into the air inlet 11 in the air guide pipe 3, when the fresh air heater 6 is sufficient to heat the air flowing into the air inlet 11, the auxiliary heater 41 can be turned off and only the fresh air heater 6 is used for heating, the auxiliary heater 41 and the fresh air heater 6 are mutually independent and independently controlled, the fresh air heater 6 and the auxiliary heater 41 can be selectively turned on according to the fresh air temperature, and the functionality of the indoor unit 100 of the air conditioner is higher. Both the fresh air heater 6 and the auxiliary heater 41 may be used not only when fresh air enters the room but also when the air conditioning indoor unit 100 is circulated indoors.

According to the air conditioner indoor unit 100 provided by the embodiment of the invention, the air guide pipe 3 and the auxiliary heater 41 are arranged, so that the indoor air is heated and then guided to the air inlet 11, the indoor air is mixed with the fresh air flowing from the fresh air pipe 2 to the air inlet 11, the temperature of the fresh air is primarily increased, the air flow is secondarily heated through the fresh air heater 6, the heating effect on the fresh air is good, the temperature of the fresh air is greatly increased, the temperature of the fresh air inlet is higher, and the use comfort of a user is better.

In some embodiments of the present invention, as shown in fig. 4, the fresh air heater 6 is a PTC heating plate, and the PTC heating plate is disposed inside the indoor unit body 1 and adjacent to the air inlet 11, and the PTC heating plate can heat the air flowing through.

In some embodiments of the present invention, as shown in fig. 1 to 3, the air intake 11 includes: the first air inlet 111 and the second air inlet 112, the exhaust end of the fresh air pipe 2 is communicated with the first air inlet 111, the air inlet end of the air guide pipe 3 is communicated with the second air inlet 112, the exhaust end of the air guide pipe 3 is communicated with the first air inlet 111, and the air guide pipe 3 is suitable for guiding at least part of indoor air flowing into the second air inlet 112 to the first air inlet 111.

The indoor unit 100 of the air conditioner comprises two air inlets 11, namely a first air inlet 111 and a second air inlet 112, the air exhaust end of the fresh air pipe 2 is communicated with the first air inlet 111, the fresh air pipe 2 guides outdoor fresh air to the first air inlet 111, and no fresh air flows into the second air inlet 112, so that the fresh air heater 6 is only arranged at the first air inlet 111 to heat the air flow flowing into the first air inlet 111. The exhaust end of the air guide pipe 3 is communicated with the first air inlet 111 so as to mix the indoor air heated by the auxiliary heater 41 with the fresh air and primarily heat the fresh air.

And the air inlet end of the air guide pipe 3 is communicated with the second air inlet 112, and at least part of the indoor air flowing into the second air inlet 112 is guided to the first air inlet 111, it is understood that the second air inlet 112 does not have fresh air flowing in, and only the indoor air flows in from the second air inlet 112, so that the air guide pipe 3 is communicated with the second air inlet 112, and the indoor air can be guided to the first air inlet 111 through the air guide pipe 3, thereby reducing the structural improvement of the air conditioner indoor unit 100 and reducing the structural volume of the air conditioner indoor unit 100.

In some embodiments of the present invention, the indoor unit body 1 is further provided with an air outlet 12, as shown in fig. 1-3, and as illustrated by the coordinate system shown in the drawings, the first air outlet 12 and the second air outlet 12 are respectively disposed on the left side and the right side of the indoor unit body 1, the air outlet 12 is disposed on the front side of the indoor unit body 1, the air conditioner indoor unit 100 is two-sided air inlet, and the front side air outlet.

In some embodiments of the present invention, an air guide passage is provided in the air guide duct 3, and the auxiliary heater 41 is provided in the air guide passage. An air guide channel is formed inside the air guide pipe 3, and the auxiliary heater 41 is arranged in the air guide channel to heat indoor air flowing from the second air inlet 112 to the first air inlet 111 in the air guide pipe 3.

In some embodiments of the present invention, the air conditioning indoor unit 100 further includes: an auxiliary fan 42, the auxiliary fan 42 being disposed on the air guide duct 3 to guide at least part of the indoor air of the second air inlet 112 to the first air inlet 111. The auxiliary fan 42 drives indoor air to move from the air inlet end of the air guide pipe 3 to the air outlet end of the air guide pipe 3. In some embodiments of the present invention, an auxiliary fan 42 is disposed within the air duct to drive the air flow within the air duct.

In some embodiments of the present invention, as shown in fig. 2 and 5, the air guide duct 3 is configured as a fresh air transfer box 30, an air guide channel is provided inside the fresh air transfer box 30, and the auxiliary heater 41 and the auxiliary fan 42 are both disposed in the air guide channel inside the fresh air transfer box 30.

In some embodiments of the present invention, as shown in fig. 5 and 1, the air conditioning indoor unit 100 further includes: the fresh air electric control box 5, the fresh air electric control box 5 is arranged adjacent to the air inlet end of the air guide pipe 3. The air inlet end of the air guide pipe 3 is adjacent to the air inlet control box, the auxiliary fan 42 in the air guide pipe 3 drives air flow to flow from the air inlet end of the air guide pipe 3 to the exhaust pipe of the air guide pipe 3, and the air flow can take away the heat of the air guide pipe 3 arranged at the air inlet end of the air guide pipe 3 in the flowing process, so that the heat dissipation speed of the air guide pipe 5 is improved, and the working stability of the air guide pipe 5 is improved.

In some embodiments of the present invention, the air inlet end of the fresh air transfer box 30 is disposed adjacent to the fresh air electric control box 5, the fresh air transfer box 30 is located at the upper end of the fresh air electric control box 5, and a heat dissipation protective cover 43 is further disposed between the air inlet end of the fresh air transfer box 30 and the fresh air electric control box 5, so as to promote airflow velocity and accelerate heat dissipation of the fresh air electric control box 5.

In some embodiments of the present invention, the exhaust end of the air guiding duct 3 may be selectively communicated with the first air inlet 111 or the channel in the fresh air duct 2, and the exhaust end of the air guiding duct 3 may be communicated with the first air inlet 111 or the channel in the fresh air duct 2.

The following describes the operation of the indoor unit 100 in the heating state with reference to fig. 2, when the exhaust end of the air guide duct 3 is in communication with the first air inlet 111, the auxiliary heater 41 is turned on to operate, and the auxiliary fan 42 is turned on, a part of the air flow flowing in from the second air inlet 112 flows into the exhaust end of the air guide duct 3 under the driving of the auxiliary fan 42 after flowing through the air guide duct 5, the air flow takes away the heat generated when the air guide duct 5 operates, the heat dissipation of the air guide duct 5 is accelerated, then the air flow flows in the air guide channel and is heated by the auxiliary heater 41, and the heated indoor air flows along the air guide channel under the driving of the auxiliary heater 41 and flows from the exhaust end of the air guide duct 3 to the first air inlet 111, so that the air is mixed with the fresh air at the first air inlet 111 to primarily heat the fresh air.

The following describes the working process of the indoor unit 100 in the heat dissipation state with reference to fig. 3, when the exhaust end of the air guide pipe 3 is communicated with the channel in the fresh air pipe 2, the auxiliary heater 41 stops working, the auxiliary fan 42 is turned on, part of the air flow flowing in from the second air inlet 112 flows into the exhaust end of the air guide pipe 3 under the driving of the auxiliary fan 42 after flowing through the fresh air electric control box 5, the air flow takes away the heat generated when the fresh air electric control box 5 works, the heat dissipation of the fresh air electric control box 5 is accelerated, then the air flow flows in the air guide channel under the driving of the auxiliary fan 42, and flows from the exhaust end of the air guide pipe 3 to the channel in the fresh air pipe 2, so the air flow after heat exchange with the fresh air electric control box 5 can directly flow from the fresh air pipe 2 to the outside, and the heat dissipation speed of the fresh air electric control box 5 is improved.

According to the air conditioner indoor unit 100 provided by the embodiment of the invention, the exhaust end of the air guide pipe 3 is communicated with the channel in the first air inlet 111 or the fresh air pipe 2 optionally, so that the fresh air can be primarily heated after the indoor air is heated, the fresh air heating quantity is improved, the connection of the exhaust end of the air guide pipe 3 can be switched, the heat dissipation speed of the fresh air electric control box 5 is improved, multiple functions can be realized by adding one element of the air guide pipe 3, the functionality of the air conditioner indoor unit 100 is improved, the structural size of the air conditioner indoor unit 100 is not increased, and the air conditioner indoor unit 100 is convenient to use and place.

In some embodiments of the present invention, as shown in fig. 2 and 3, a first pipeline 31 is disposed between the exhaust end of the air guiding pipe 3 and the first air inlet 111, and a second pipeline 32 is disposed between the exhaust end of the air guiding pipe 3 and the fresh air pipe 2. When the indoor unit 100 of the air conditioner is in a heating state, the exhaust end of the air guide pipe 3 is communicated with the first air inlet 111, and heated indoor air flows from the exhaust end of the air guide pipe 3 to the first air inlet 111 through the first pipeline 31; when the indoor unit 100 is in a heat radiation state, the exhaust end of the air guide pipe 3 is communicated with the channel in the fresh air pipe 2, and the heated indoor air flows into the channel in the fresh air pipe 2 from the exhaust end of the air guide pipe 3 through the second pipeline 32.

In some embodiments of the present invention, when the indoor unit 100 is in a heat dissipation state, the exhaust end of the fresh air duct 2 is closed, so as to prevent the heat dissipation air flow from flowing back into the room again from the exhaust end of the fresh air duct 2, and improve the heat dissipation speed.

In other embodiments, as shown in fig. 3, when the air conditioning indoor unit 100 is in a heat dissipation state, the air exhaust end of the fresh air pipe 2 is opened, the indoor fan 9 is also opened, the indoor fan 9 is turned upside down, and the fresh air pipe 2 guides the indoor air to the outside, so that not only can the fresh air electric control box 5 dissipate heat, but also the heat dissipation speed of the indoor unit body 1 can be improved.

In some embodiments of the present invention, as shown in fig. 1 and 2, the fresh air duct 2 is connected to the indoor unit body 1 through a fresh air adapter 21, the fresh air adapter 21 is of a bent structure, the fresh air duct 2 extends along a horizontal direction, and the fresh air duct 2 guides the fresh air flowing horizontally in the fresh air duct 2 to the first air inlet 111 along a vertical direction. A second pipeline 32 is arranged between the exhaust end of the air guide pipe 3 and the fresh air pipe 2, and the second pipeline 32 is communicated with the fresh air adapter 21, so that heated indoor air flows into a channel in the fresh air pipe 2 through the fresh air adapter 21.

In some embodiments of the present invention, as shown in fig. 12, the bottom wall of the fresh air pipe 2 is provided with a protrusion facing upward, and by providing the protrusion, the flow velocity of the air flow in the fresh air pipe 2 is increased when the air flow flows in the fresh air pipe 2, so that the flow velocity of the air flow is increased, and the heating or heat dissipation work efficiency is improved.

In some embodiments of the present invention, as shown in fig. 2 and 3, the exhaust end of the air guide duct 3 is provided with an air duct valve 33, the air duct valve 33 is adapted to guide indoor air in the air guide duct 3 to the first pipeline 31 or the second pipeline 32, the flow direction of the air flow in the air guide duct 3 can be controlled by controlling the air duct valve 33, when the indoor unit 100 of the air conditioner needs to perform a heating function, the air duct valve 33 guides indoor air in the air guide duct 3 to the first pipeline 31, and when the indoor unit 100 of the air conditioner needs to perform a heat dissipation function, the air duct valve 33 guides indoor air in the air guide duct 3 to the second pipeline 32.

In some embodiments of the present invention, the air duct valve 33 is disposed at the exhaust end of the air guide duct 3 and divides the exhaust end of the air guide duct 3 into a heating exhaust end and a heat dissipation exhaust end, the heating exhaust end is connected with the first pipeline 31, the heat dissipation exhaust end is connected with the second pipeline 32, and the air duct valve 33 controls on-off of the heating exhaust end and the heat dissipation exhaust end to guide indoor air in the air guide duct 3 to the first pipeline 31 or the second pipeline 32. When the air duct valve 33 seals the heating exhaust end and opens the heat dissipation exhaust end, the air duct valve 33 guides the indoor air in the air guide pipe 3 to the second pipeline 32 to realize heat dissipation of the fresh air electric control box 5; when the air duct valve 33 closes the heat dissipation exhaust end and opens the heating exhaust end, the air duct valve 33 guides the indoor air in the air guide pipe 3 to the first pipeline 31, so as to heat the fresh air.

In some embodiments of the present invention, the air duct valve 33 has a heat dissipation position closing the heat dissipation exhaust end and opening the heat dissipation exhaust end, and a heating position closing the heat dissipation exhaust end and opening the heat dissipation exhaust end; as shown in fig. 1, the air duct valve 33 includes: the heating valve 331 and the heat dissipation valve 332, the heating valve 331 and the heat dissipation valve 332 are all configured to be plate-shaped, one end of the heating valve 331 and one end of the heat dissipation valve 332 are mutually connected to form a connecting part, and the connecting part is arranged at the exhaust end of the air guide pipe 3 and is rotatably connected with the air guide pipe 3, so that the connecting part of the heating valve 331 and the heat dissipation valve 332 and the air guide pipe 3 can rotate at a combing center. The air duct valve 33 can rotate between a heat dissipation position and a heating position, when the air duct valve 33 is located at the heating position, the heat dissipation valve 332 seals the heat dissipation exhaust end, the heating valve 331 opens the heating exhaust end, and when the air duct valve 33 is located at the heat dissipation position, the heat dissipation valve 332 opens the heat dissipation exhaust end, and the heating valve 331 closes the heating exhaust end.

In some embodiments of the present invention, the air guide duct 3 is configured as a fresh air junction box 30, and the fresh air junction box 30 includes a bottom plate and a cover plate, and the bottom plate and the cover plate together define an air guide channel inside the fresh air junction box 30. The bottom plate includes: auxiliary fan 42 installation department and auxiliary heater 41 installation department, auxiliary fan 42 installation department is close the air inlet end of wind-guiding passageway, and auxiliary heater 41 installation department is kept away from the air inlet end of wind-guiding passageway than auxiliary fan 42 installation department, and still is provided with the wind-guiding portion between auxiliary heater 41 installation department and wind duct valve 33, will the air current direction wind duct valve 33.

In some embodiments of the present invention, as shown in fig. 1, the indoor unit 100 further includes: the switching air disc 44, the switching air disc 44 is connected between the air guide duct 3 and the first pipeline 31 and between the air guide duct 3 and the second pipeline 32. It can be appreciated that the air duct valve 33 separates the air outlet end of the air guide duct 3 into a heating air outlet end and a heat dissipation air outlet end, and the air tightness of the first pipeline 31 and the second pipeline 32 directly connected with the heating air outlet end and the heat dissipation air outlet end is poor, so that air leakage is easy to be caused, and therefore, the air leakage can be reduced by arranging the switching air disc 44 between the heating air outlet end and the first pipeline 31 and between the heat dissipation air outlet end and the second pipeline 32, and the working stability of heating work and heat dissipation work is improved.

The switching air disc 44 includes the switching air inlet that is connected with the exhaust end of air guide duct 3, and the first switching gas vent that is connected with first pipeline 31, the second switching gas vent that is connected with second pipeline 32, as shown in fig. 2, still be provided with aviation baffle 441 in the switching air disc 44, the one end and the switching air intake 11 of aviation baffle 441 are connected and also separate two parts with switching air intake 11, and the other end and the inside wall of switching air disc 44 of aviation baffle 441 link to each other, aviation baffle 441 separates the inside wind channel of switching air disc 44 into two, consequently the air current that gets into switching air disc 44 from heating exhaust end and heat dissipation exhaust end can be along the direction flow direction of aviation baffle 441 first pipeline 31 and second pipeline 32, and can not alleviate in switching air disc 44, avoid the air current to reveal.

Preferably, the cross section of the air deflector 441 is wave-shaped, so that the air deflector 441 has a good guiding effect on the air flow, the flow speed of the air flow is improved, turbulent flow of the air flow in the air channel inside the switching air disc 44 is avoided, and the heating or heat dissipation rate is reduced.

In some embodiments of the present invention, the indoor unit 100 further includes: the humidifying device 7 is arranged in the indoor unit body 1, an air inlet channel communicated with the air inlet 11 is formed in the air inlet channel, air flows along the air inlet channel after entering the air inlet 11, the humidifying device 7 can humidify the air flow, the humidifying device 7 is arranged, the air flow can be reduced and humidified when indoor air is dried, and the use comfort of a user is improved.

In some embodiments of the present invention, as shown in fig. 1, the humidifying device 7 includes: the water tank 71 and the wet film 72 can be understood that the humidifying device 7 is full of moisture during operation, and the humidity of the air flow can be increased when the air flow passes through the humidifying device, and when the air conditioning indoor unit 100 is closed, the humidifying device 7 is still wet, and when the air conditioning indoor unit 100 is not used for a long time, bacteria are easily bred in the humidifying device 7, so that the indoor air is polluted, and the health of a user is not benefited. According to the invention, the fresh air heater 6 and the auxiliary heater 41 are arranged to heat the airflow flowing into the air inlet 11, and the hot airflow is conveyed to the humidifying device 7, so that the humidifying device 7 can be quickly dried, bacteria can be prevented from breeding on the humidifying device 7 when the air conditioner indoor unit 100 is not used for a long time, the cleanliness of the humidifying device 7 is improved, and the use comfort of a user is improved.

In addition, when the humidifying device 7 works, the fresh air heater 6 and the auxiliary heater 41 are arranged to heat the air flow flowing into the air inlet 11, and the hot air flow is conveyed to the humidifying device 7, so that the evaporation speed of water on the humidifying device 7 can be increased, the humidifying amount of the air flow by the humidifying device 7 is increased, and the working efficiency of the humidifying device 7 is improved.

In some embodiments of the present invention, as shown in fig. 4, the indoor unit 100 further includes: the temperature and humidity sensor 8, the temperature and humidity sensor 8 sets up in the air conditioning indoor unit 100 to detect the temperature and the humidity of air current, can accurately control the air current temperature and the humidity that the air conditioning indoor unit 100 flowed out, promote user's use travelling comfort.

An air conditioner according to an embodiment of the present invention includes the air conditioning indoor unit 100 of any one of the above.

According to the air conditioner provided by the embodiment of the invention, the air conditioner indoor unit 100 is arranged, so that the fresh air heating amount of the air conditioner is large, the fresh air inlet temperature is high, the air conditioner indoor unit 100 is large in proper amount of air flow, and the use comfort of a user is good.

Other configurations of the air conditioning indoor unit 100 according to the embodiment of the present invention, such as the auxiliary heater 41 and the fresh air electronic control box 5, and the like, and the operation thereof are known to those skilled in the art, and will not be described in detail herein.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims (11)

1. An air conditioning indoor unit, comprising:

the indoor unit comprises an indoor unit body, wherein an air inlet is formed in the indoor unit body;

the exhaust end of the fresh air pipe is communicated with the air inlet, and the fresh air pipe is suitable for guiding outdoor fresh air to the air inlet;

the air inlet end of the air guide pipe is communicated with the indoor space, the air outlet end of the air guide pipe is communicated with the air inlet, and the air guide pipe is suitable for guiding indoor air to the air inlet;

fresh air heater and auxiliary heater, fresh air heater sets up the air intake is in order to flow into the air current of air intake heats, auxiliary heater is optional to flow into in the guide duct the indoor wind of air intake heats.

2. The indoor unit of claim 1, wherein the air intake includes: the air inlet device comprises a first air inlet and a second air inlet, wherein the exhaust end of a fresh air pipe is communicated with the first air inlet, the air inlet end of an air guide pipe is communicated with the second air inlet, the exhaust end of the air guide pipe is communicated with the first air inlet, and the air guide pipe is suitable for guiding at least part of indoor air flowing into the second air inlet to the first air inlet.

3. The indoor unit of claim 2, wherein the air duct is provided with an air guide channel therein, and the auxiliary heater is disposed in the air guide channel.

4. An indoor unit for an air conditioner according to claim 3, further comprising: the auxiliary fan is arranged on the air guide pipe to guide at least part of indoor air of the second air inlet to the first air inlet.

5. The indoor unit of claim 2, further comprising: the fresh air electric control box is arranged adjacent to the air inlet end of the air guide pipe.

6. The indoor unit of claim 5, wherein the exhaust end of the air duct is selectively in communication with a channel in the first intake or the fresh air duct.

7. The indoor unit of claim 6, wherein the auxiliary heater is deactivated when the discharge end of the air duct is in communication with the passageway in the fresh air duct.

8. The indoor unit of claim 6, wherein a first pipeline is disposed between the exhaust end of the air duct and the first air inlet, and a second pipeline is disposed between the exhaust end of the air duct and the fresh air duct.

9. The indoor unit of claim 8, wherein the exhaust end of the air duct is provided with an air duct valve adapted to direct indoor air within the air duct to the first or second duct.

10. The indoor unit of claim 1, further comprising: the humidifying device is arranged in the indoor unit body, an air inlet channel communicated with the air inlet is formed in the indoor unit body, and the humidifying device is arranged in the air inlet channel; the hot air flow flowing into the air inlet can heat the humidifying device.

11. An air conditioner comprising the air conditioner indoor unit according to any one of claims 1 to 10.