CN111964162A

CN111964162A - Humidification unit, air conditioner indoor unit and air conditioner

Info

Publication number: CN111964162A
Application number: CN202010486659.8A
Authority: CN
Inventors: 谷勇; 吴彦东; 周柏松; 黄笛; 李汝辉; 王鹏; 李健锋
Original assignee: Midea Group Co Ltd; GD Midea Heating and Ventilating Equipment Co Ltd
Current assignee: Midea Group Co Ltd; GD Midea Heating and Ventilating Equipment Co Ltd; Guangdong Midea HVAC Equipment Co Ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2020-11-20

Abstract

The invention discloses a humidification unit, an air conditioner indoor unit and an air conditioner, wherein the humidification unit comprises a humidification assembly and a water pan assembly, the humidification assembly is provided with a steam inlet and a steam outlet, the water pan assembly comprises a first water pan and a second water pan, the bottom wall of the second water pan is lower than the bottom wall of the first water pan, the first water pan is arranged below the humidification assembly, a water discharging nozzle which extends into the second water pan and is used for discharging water from the first water pan to the second water pan is arranged on the bottom wall of the first water pan, and a water discharging port of the water discharging nozzle is lower than the upper edge of the second water pan. The humidifying unit of the invention prevents air flow from directly blowing the water discharging nozzle by utilizing the side wall of the second water receiving tray, thereby preventing the phenomenon of wind blowing water, and the water discharging nozzle is suitable for guiding the condensed water to the second water receiving tray, so as to prevent the first water receiving tray from being soaked by the high-temperature condensed water for a long time, and prolong the service life of the first water receiving tray.

Description

Humidification unit, air conditioner indoor unit and air conditioner

Technical Field

The invention relates to the technical field of air conditioners, in particular to a humidifying unit, an air conditioner indoor unit with the humidifying unit and an air conditioner with the air conditioner indoor unit.

Background

In the related art, an indoor unit of an air conditioner performs heat cycle exchange on air in a room to realize cooling or heating, so as to adjust the temperature in the room. However, after long-term operation, the air in the room is easily dried, and the comfort level is reduced. In order to improve the comfort of the indoor unit of the air conditioner, the related art provides that the humidifying component is arranged on the indoor unit of the air conditioner to increase the indoor humidity, but the related art has the problems that a water receiving disc is unreliable, the phenomenon of blowing water easily occurs and the like.

Disclosure of Invention

The present application is based on the recognition and discovery by the inventors of the following facts and problems:

in the related art, the air conditioner indoor unit is provided with a humidifying assembly for spraying steam to the indoor space to increase the indoor humidity and improve the comfort. The inventor finds that the humidifying assembly is arranged in the shell of the indoor unit of the air conditioner and comprises a plurality of parts, the humidifying assembly adopts a high-temperature steam humidifying method, condensed water is easy to generate, and the temperature of the condensed water is relatively high. The humidifying component is correspondingly provided with a water receiving disc so as to be beneficial to discharging condensed water. However, the water pan in the related art is easily deformed or even leaks water when being soaked by high-temperature condensed water, so that the reliability of the water pan is reduced, and the phenomenon of blowing water easily occurs, which affects the work of the indoor unit of the air conditioner.

The present application is directed to solving, at least to some extent, one of the technical problems in the related art.

Therefore, the embodiment of one aspect of the application provides a humidification unit, the water pan assembly of the humidification unit is high in reliability, the phenomenon of blowing water can be avoided, and the working efficiency of the indoor unit of the air conditioner is improved.

An embodiment of another aspect of the present application provides an air conditioning indoor unit.

An embodiment of yet another aspect of the present application provides an air conditioner.

A humidification unit in accordance with an embodiment of the first aspect of the invention comprises a humidification assembly and a water pan assembly. Wherein the humidification assembly has a steam inlet and a steam vent; the water pan assembly comprises a first water pan and a second water pan, the bottom wall of the second water pan is lower than the bottom wall of the first water pan, the first water pan is arranged below the humidifying assembly, a water discharging nozzle which extends into the second water pan and is used for discharging water from the first water pan to the second water pan is arranged on the bottom wall of the first water pan, and a water discharging port of the water discharging nozzle is lower than the upper edge of the second water pan.

According to the humidification unit provided by the embodiment of the invention, the water receiving tray assembly with the first water receiving tray and the second water receiving tray is arranged below the humidification assembly, and the drain nozzle extending into the second water receiving tray is arranged on the bottom wall of the first water receiving tray, so that the side wall of the second water receiving tray can be used for preventing air flow from directly blowing the drain nozzle, the phenomenon of blowing water when the drain nozzle discharges condensed water is prevented, and water dripping of an indoor unit of an air conditioner is avoided. In addition, after the first water pan cools the high-temperature condensate water for the first time, the water discharging nozzle is suitable for draining the cooled high-temperature condensate water to the second water pan for secondary cooling, so that the high-temperature condensate water is prevented from soaking the first water pan for a long time, the service life of the first water pan is prolonged, the temperature of the high-temperature condensate water cooled by the first water pan is relatively low, and the second water pan cannot be damaged.

In some embodiments, the inner bottom wall surface of the first water pan is a slope inclined downward toward the drain nozzle.

In some embodiments, the first water collector has a first end and a second end in the length direction thereof, the water discharge nozzle is arranged between the first end and the second end, the distance between the first end and the water discharge nozzle is smaller than the distance between the second end and the water discharge nozzle, and the inclined plane comprises a first inclined plane between the first end and the water discharge nozzle and a second inclined plane between the second end and the water discharge nozzle.

In some embodiments, the angle of inclination of the first ramp is greater than the angle of inclination of the second ramp.

In some embodiments, the drain nozzle includes a first air deflector disposed adjacent the drain opening of the drain nozzle.

In some embodiments, the drain nozzle further comprises a second air baffle disposed adjacent the water inlet of the drain nozzle.

In some embodiments, the humidifying assembly includes a steam inlet pipe, a silencer connected between a first end of the steam inlet pipe and the spray pipe, and a spray pipe provided on a circumferential wall of the spray pipe, the spray pipe being inclined downward or extending in a horizontal direction in a direction away from the drain nozzle.

In some embodiments, the spout has a drain through which condensate within the spout can flow into the first drip tray.

According to this application embodiment's machine in air conditioning, including casing, fan subassembly, indoor heat exchanger and above-mentioned humidification unit. Wherein the casing is provided with an air return inlet and an air outlet; the fan assembly is arranged in the shell; the indoor heat exchanger is arranged in the shell and is positioned between the air outlet and the fan assembly; the humidifying unit is arranged on the air outlet side of the casing.

According to the air conditioner indoor unit of the embodiment of the second aspect of the invention, by adopting the humidifying unit, the air conditioner indoor unit has good humidifying effect and long service life.

In some embodiments, the second water-tray is located on a side of the first water-tray adjacent to the indoor heat exchanger.

In some embodiments, the second drip tray is located below the indoor heat exchanger.

In some embodiments, the drain nozzle is disposed adjacent to one side of the air outlet in a length direction of the cabinet.

An air conditioner according to an embodiment of a third aspect of the present invention includes the air conditioning indoor unit described above.

Drawings

Fig. 1 shows a schematic structural view of an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 2 is a partial structural view of an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 3 illustrates a partial structural sectional view of an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 4 illustrates a partial structural sectional view of an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 5 is a perspective view showing a partial structure of an air conditioning indoor unit according to an embodiment of the present invention.

Fig. 6 shows a top view of fig. 5.

Fig. 7 shows a cross-sectional view along the direction a-a in fig. 6.

Fig. 8 shows a cross-sectional view along the direction B-B in fig. 6.

Fig. 9 shows a schematic structural view of a humidifying assembly of a humidifying unit according to an embodiment of the present invention.

Reference numerals:

an air-conditioning indoor unit 1;

a housing 10; an air return opening 101; an air outlet 102; a front panel 103; a rear panel 105;

a fan assembly 20;

an indoor heat exchanger 30; a wind shielding structure 301;

a humidifying unit 40; a housing 401; a humidifying assembly 402; a steam inlet 4021; a steam blowout port 4022; a spray tube 4023; a muffler 4024; a steam inlet 4025; a drip tray assembly 403; a first water pan 4031; a first bevel 4032; a second bevel 4033; a drain nozzle 4034; a first windshield 40341; a second wind deflector 40342; a second water pan 4035;

an air guide panel 50; an air guide grid 501.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

A humidifying unit according to an embodiment of the present invention is described below with reference to fig. 1 to 9.

As shown in fig. 1 to 9, the humidifying unit 40 according to the embodiment of the present invention includes a humidifying assembly 402 and a water tray assembly 403.

As shown in fig. 2 and 9, the humidification assembly 402 has a vapor inlet 4021 and a vapor vent 4022. Specifically, the steam inlet 4021 is located outside the housing 401 of the humidification unit 40 so that the steam inlet 4021 is interfaced with an external steam supply device, and the steam outlet 4022 is located inside the housing 401 to inject high-temperature steam into the housing 401 to form a humidification space.

As shown in fig. 4, the water collector assembly 403 includes a first water collector 4031 and a second water collector 4035, the bottom wall of the second water collector 4035 is lower than the bottom wall of the first water collector 4031, the first water collector 4031 is disposed below the humidification assembly 402, a water discharge nozzle 4034 extending into the second water collector 4035 and used for discharging water from the first water collector 4031 to the second water collector 4035 is disposed on the bottom wall of the first water collector 4031, and a water discharge port of the water discharge nozzle 4034 is lower than an upper edge of the second water collector 4035.

Specifically, as shown in fig. 3, 6 and 8, the first water receiving tray 4031 extends in a left-right direction (as shown in fig. 3), the first water receiving tray 4031 is located below the humidification assembly 402 to receive high-temperature condensed water on the surface of the humidification assembly 402, as shown in fig. 8, the second water receiving tray 4035 is located below the rear side of the first water receiving tray 4031, a drain nozzle 4034 extending downward is provided on the bottom wall of the first water receiving tray 4031, the lower end of the drain nozzle 4034 extends into the water storage tank of the second water receiving tray 4035, the drain nozzle 4034 is adapted to drain water in the first water receiving tray 4031 into the water storage tank of the second water receiving tray 4035, and a drain opening is defined at the lower end of the drain nozzle 4034 and is lower than the upper edge of the second water receiving tray 4035.

Therefore, according to the humidification unit provided by the embodiment of the invention, the water pan assembly with the first water pan and the second water pan is arranged below the humidification assembly, and the drain nozzle extending into the second water pan is arranged on the bottom wall of the first water pan, so that the side wall of the second water pan can be used for preventing air flow from directly blowing the drain nozzle, the phenomenon of blowing water when the drain nozzle discharges condensed water is prevented, and the water dripping of the indoor unit of the air conditioner is avoided. In addition, after the first water pan cools the high-temperature condensate water for the first time, the water discharging nozzle is suitable for draining the cooled high-temperature condensate water to the second water pan for secondary cooling, so that the high-temperature condensate water is prevented from soaking the first water pan for a long time, the service life of the first water pan is prolonged, the temperature of the high-temperature condensate water cooled by the first water pan is relatively low, and the second water pan cannot be damaged.

In some embodiments, as shown in figure 7, the inner bottom wall surface of the first water tray 4031 is a sloping surface that slopes downwardly towards the drain nozzle 4034. Specifically, as shown in fig. 7, the first water receiving pan 4031 extends in the left-right direction, the inner bottom wall surface of the first water receiving pan 4031 is inclined downward from the right end to the drain nozzle 4034, and also inclined downward from the left end to the drain nozzle 4034, so that water in the water receiving pan is guided to the drain nozzle and drained, and in a unit space, the inclined surface extends to have a large extension length, so that high-temperature condensed water in the water receiving pan has a longer cooling distance in the process of flowing to the drain nozzle.

In some embodiments, as shown in figure 7, the first water tray 4031 has first and second ends along its length, a water discharge nozzle 4034 is provided between the first and second ends, the first end being spaced less from the water discharge nozzle 4034 than the second end is spaced from the water discharge nozzle 4034, and the inclined surfaces include a first inclined surface 4032 between the first end and the water discharge nozzle 4034 and a second inclined surface 4033 between the second end and the water discharge nozzle 4034. In other words, the extension length of the first inclined surface 4032 is smaller than that of the second inclined surface 4033, so that the first water pan is more reasonable in layout in a certain space according to the layout of the humidifying assembly.

Specifically, as shown in fig. 7, the inner bottom wall surface of the first water receiving tray 4031 includes a first inclined surface 4032 and a second inclined surface 4033 that are sequentially arranged in the left-right direction, the first inclined surface 4032 is located between the right end of the first water receiving tray 4031 and the drain nozzle 4034, and the second inclined surface 4033 is located at the left end of the first water receiving tray 4031 and the drain nozzle 4034.

In some embodiments, as shown in fig. 7, the angle of inclination of the first angled face 4032 is greater than the angle of inclination of the second angled face 4033. As shown in fig. 7, the nozzle 4023 is located above the second inclined plane 4033, and a large amount of high-temperature condensed water is easily generated on the surface of the nozzle 4023 by the high-temperature steam ejected from the steam ejection port 4022, and the high-temperature condensed water on the nozzle 4023 drops into the first water receiving tray 4031 and then flows to the drain nozzle 4034 along the second inclined plane 4033. It can be understood that the second inclined surface 4033 having a smaller inclination angle and a longer extension distance is suitable for providing the high-temperature condensed water with a longer cooling time and cooling distance. In addition, in some embodiments, the first water pan may be made of a high temperature resistant PP material to improve the high temperature resistance of the first water pan.

In some embodiments, drain nozzle 4034 includes a first wind deflector 40341, and first wind deflector 40341 is disposed adjacent to a drain opening of drain nozzle 4034. Therefore, the first air baffle plate can be used for preventing the air flow from blowing water upwards, so that the condensed water can smoothly flow into the first water pan through the water outlet, and the condensed water is prevented from being scattered outside the first water pan. .

Further, the water discharging nozzle 4034 further includes a second wind blocking plate 40342, and the second wind blocking plate 40342 is arranged adjacent to the water inlet of the water discharging nozzle 4034. Therefore, when the condensed water on the surface of the humidifying assembly flows to the water outlet from the water inlet of the water discharging nozzle, the second air baffle can prevent the air flow from blowing out the water, so that the condensed water can smoothly flow into the water outlet.

In some embodiments, as shown in fig. 2 and 9, the humidifying assembly 402 includes a steam inlet pipe 4025, a muffler 4024 and a nozzle 4023, the muffler 4024 is connected between a first end (left end as shown in fig. 9) of the steam inlet pipe 4025 and the nozzle 4023, a steam ejection port 4022 is provided on a peripheral wall of the nozzle 4023, a drain 4034 is located corresponding to the muffler 4024, and the nozzle 4023 is inclined downward or extends in a horizontal direction in a direction away from the drain 4034. Therefore, the condensed water in the spray pipe can smoothly flow into the first water pan, the condensed water in the spray pipe is prevented from flowing back to the silencer, and the probability of damage of the silencer is reduced.

Specifically, as shown in fig. 2 and fig. 9, a steam inlet pipe 4025, a muffler 4024 and a spray pipe 4023 are connected in sequence, the muffler 4024 is located above a drain nozzle 4034 and is suitable for absorbing the drain noise of the drain nozzle 4034, and the spray pipe 4023 is inclined downwards from right to left, so that condensed water flows down smoothly along the spray pipe 4023 and drops into a first water receiving tray close to the left end, and high-temperature condensed water can flow along a second inclined surface for a long cooling distance.

In some embodiments, as shown in fig. 7, the spout 4023 has a drain 40231, and the condensed water in the spout 4023 may flow into the first drip pan through the drain 40231. It will be appreciated that the spout may have at least two outlets 40231, the at least two outlets 40231 being adapted to be spaced along the length of the spout. Two water outlets 40231 as shown in fig. 7, and the two water outlets 40231 are arranged at intervals in the left-right direction. Therefore, the condensed water in the spray pipe can be discharged into the first water receiving tray, the drainage reliability is improved, a large amount of condensed water is prevented from being accumulated on the surface of the spray pipe, and the condensed water can be prevented from splashing.

A humidifying unit according to one specific example of the present invention is described below with reference to fig. 5 to 9.

As shown in fig. 5, the humidifying unit 40 includes a housing 401, a humidifying assembly 402, and a water-receiving tray assembly 403, wherein portions of the water-receiving tray assembly 403 and the water-receiving tray assembly 403 are disposed in the housing 401, and the water-receiving tray assembly 403 is located below the humidifying assembly 402 for receiving condensed water on the surface of the humidifying assembly.

As shown in fig. 5 and 9, the humidifying assembly 402 includes a spraying pipe 4023, a muffler 4024 and a steam inlet pipe 4025, the spraying pipe 4023 and the muffler 4024 are located in the housing 401, the spraying pipe 4023 extends in the left-right direction, the right end of the spraying pipe 4023 is connected to the left end of the muffler 4024, the right end of the muffler 4024 is connected to the left end of the steam inlet pipe 4025, and the right end of the steam inlet pipe 4025 extends out of the housing 401, that is, the right end of the steam inlet pipe 4025 is located outside the housing 401, so that an external steam inlet pipe is butted with the steam inlet pipe 4025. The steam inlet 4021 is provided at the end of the right end of the steam inlet pipe 4025, i.e., the steam inlet 4021 is located outside the housing 401. A plurality of steam outlets 4022 are distributed on the spray pipe 4023 at intervals.

As shown in fig. 5, the water tray assembly 403 includes a first water tray 4031 and a second water tray 4035 extending in the left-right direction, the first water tray 4031 is provided below the humidification assembly 402, and the second water tray 4035 is provided obliquely below the rear side of the first water tray 4031.

As shown in fig. 5, 7 and 8, the bottom wall of the first water receiving tray 4031 is provided with a water discharge nozzle 4034 extending downward, and the lower end of the water discharge nozzle 4034 extends into the second water receiving tray 4035 to prevent wind from blowing water. The inner bottom wall surface between the right end of the first water receiving tray 4031 and the water discharge nozzle 4034 is a first inclined surface 4032, the inner bottom wall surface between the left end of the second water receiving tray 4035 and the water discharge nozzle 4034 is a second inclined surface 4033, the first inclined surface 4032 is inclined downwards from right to left, and the second inclined surface 4033 is inclined downwards from left to right so as to be suitable for guiding the condensed water in the first water receiving tray 4031 to flow into the second water receiving tray 4035 through the water discharge nozzle 4034.

An air conditioning indoor unit according to an embodiment of the present invention will be described with reference to fig. 1 to 3.

As shown in fig. 1 to 3, an indoor unit of an air conditioner according to an embodiment of the present invention includes a casing 10, a fan assembly 20, an indoor heat exchanger 30, and the humidification unit 40.

Specifically, the casing 10 has an air return opening 101 and an air outlet 102, the fan assembly 20 is disposed in the casing 10, the indoor heat exchanger 30 is disposed in the casing 10 and between the air outlet 101 and the fan assembly 20, and the humidifying unit 40 is disposed on the air outlet side of the casing 10. It will be appreciated that the humidifying unit 40 may be detachably coupled to the cabinet 10 as a separate integral piece, for example, as shown in fig. 1, the assembly of the humidifying unit 40 may be achieved by detachably coupling the housing 401 to the cabinet 10.

Specifically, as shown in fig. 1 and 3, the casing 10 includes a front panel 103 provided with an air outlet 102 for blowing out an air flow, and a rear panel 105 provided with an air return opening 101 for sucking in the air flow. The wind enters the casing 10 from the air return opening 101 on the rear panel 105, flows in the air duct in the casing 10, and flows out from the air outlet 102 on the front panel, i.e. the wind direction is from the rear to the front.

As shown in fig. 3 and 4, the indoor heat exchanger 30 is located downstream of the fan assembly 20 along the wind direction, the air outlet 102 is located downstream of the indoor heat exchanger 30 along the wind direction, the fan assembly 20 is adapted to drive the external air flow to flow into the casing 10 through the air return opening 101, and the air flow flows through the fan assembly 20, the indoor heat exchanger 30, and the air outlet 102 in sequence along the air path in the casing 10. The casing 401 of the humidifying unit 40 is mounted on the front panel 103 of the cabinet 10, the air flow is blown into the humidifying unit 40 through the air outlet 102, the humidifying unit 40 is suitable for humidifying the air flow, the front side of the humidifying unit 40 is connected with an air guide panel 50, and the air guide panel 50 is provided with an air guide grille 501 for adjusting the air direction.

Therefore, according to the air conditioner indoor unit provided by the embodiment of the invention, the air conditioner indoor unit has a good humidification effect and high humidification reliability by adopting the humidification unit.

In some embodiments, as shown in figure 3, the second water tray 4035 is located on the side of the first water tray 4031 adjacent to the indoor heat exchanger 30. Therefore, the layout of the indoor unit of the air conditioner can be optimized.

In some embodiments, as shown in fig. 2 and 3, the second water tray 4035 is located below the indoor heat exchanger 30. Therefore, the second water receiving tray 4035 can be used for simultaneously receiving the condensed water discharged by the first water receiving tray 4031 and the condensed water generated by the indoor heat exchanger 30, a special water receiving structure does not need to be arranged for the indoor heat exchanger, and the layout of the indoor unit of the air conditioner is optimized.

In some embodiments, as shown in fig. 3, a drain nozzle 4034 is provided adjacent to one side of the air outlet in the length direction of the cabinet 10. For example, as shown in FIG. 3, a steam inlet 4025 passes through the right side plate of the housing 401, and a drain 4034 is provided adjacent to the right side plate of the cabinet 10. From this, be located the regional interior drain nozzle 4034 of low wind speed and receive the air current impact less, avoid blowing water and lead to outside the condensate water drippage of drain nozzle drainage to the second water collector because of wind, prevent that the indoor set of air conditioner from dripping.

The air conditioner comprises the air conditioner indoor unit 1, so that the air conditioner is good in humidifying effect and long in service life.

In this application, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean 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 application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims

1. A humidification unit, comprising:

a humidification assembly having a vapor inlet and a vapor vent;

the water pan assembly comprises a first water pan and a second water pan, the bottom wall of the second water pan is lower than the bottom wall of the first water pan, the first water pan is arranged below the humidifying assembly, a water discharging nozzle which stretches into the second water pan and is used for discharging water from the first water pan to the second water pan is arranged on the bottom wall of the first water pan, and a water discharging port of the water discharging nozzle is lower than the upper edge of the second water pan.

2. The humidifying unit according to claim 1, wherein an inner bottom wall surface of the first water receiving pan is a slope inclined downward toward the drain nozzle.

3. The humidifying unit of claim 2, wherein the first water tray has a first end and a second end in a length direction thereof, the water discharge nozzle is provided between the first end and the second end, a distance between the first end and the water discharge nozzle is smaller than a distance between the second end and the water discharge nozzle, and the inclined surface comprises a first inclined surface between the first end and the water discharge nozzle and a second inclined surface between the second end and the water discharge nozzle.

4. The humidifying unit of claim 3, wherein the inclination angle of the first ramp is greater than the inclination angle of the second ramp.

5. The humidifying unit of any one of claims 1-4, wherein the drain nozzle comprises a first air baffle disposed adjacent a drain opening of the drain nozzle.

6. The humidifying unit of claim 5, wherein the water discharge nozzle further comprises a second baffle disposed adjacent the water inlet of the water discharge nozzle.

7. The humidifying unit according to any one of claims 1 to 4, wherein the humidifying assembly comprises a steam inlet pipe, a silencer, and a spray pipe, the silencer is connected between a first end of the steam inlet pipe and the spray pipe, the steam ejection port is provided on a peripheral wall of the spray pipe, and the spray pipe is inclined downward or extends in a horizontal direction in a direction away from the drain nozzle.

8. The humidifying unit of claim 7, wherein the spout has a drain through which condensed water within the spout can flow into the first drip tray.

9. An indoor unit of an air conditioner, comprising:

a housing having an air return opening and an air outlet opening;

the fan assembly is arranged in the shell;

the indoor heat exchanger is arranged in the shell and is positioned between the air outlet and the fan assembly;

the humidifying unit is according to any one of claims 1-8 and is arranged on the air outlet side of the machine shell.

10. An indoor unit of an air conditioner according to claim 9, wherein the second drip pan is provided on a side of the first drip pan adjacent to the indoor heat exchanger.

11. An indoor unit of an air conditioner according to claim 10, wherein the second drip pan is located below the indoor heat exchanger.

12. An indoor unit of an air conditioner according to claim 9, wherein the drain nozzle is provided adjacent to one side of the outlet port in a length direction of the cabinet.

13. An air conditioner, comprising: an indoor unit of an air conditioner according to any one of claims 9 to 12.