WO2023050771A1 - Air conditioner indoor unit having multi-scenario water receiving tray, and air conditioner - Google Patents

Abstract

Provided are a multi-scenario water receiving tray and an air conditioner having same. The air conditioner indoor unit comprises: a fan assembly (1) comprising a volute (11), the volute (11) having a volute air inlet and a volute air outlet (112); a heat exchanger (2) located at a side of the volute (11) close to the volute air outlet (112); a water receiving tray (3) for receiving condensed water from the heat exchanger (2) and located at the side of the volute (11) close to the volute air outlet (112). A first side wall of the water receiving tray (3) close to the volute air outlet (112) is provided with a protrusion extending to an inner side of the water receiving tray (3), an outer wall surface of the protrusion forming an air guide surface, and the air guide surface being flush with an adjacent end of the inner wall surface of the volute air outlet (112).

Description

Air conditioner indoor unit and air conditioner with water tray for multi-scenario

Cross References to Related Applications

This application is based on a Chinese patent application with application number 202122411454.6 and a filing date of September 30, 2021, and claims the priority of this Chinese patent application. The entire content of this Chinese patent application is hereby incorporated by reference into this application.

technical field

The present disclosure relates to the field of air conditioners, in particular to an air conditioner indoor unit and an air conditioner with multi-scenario water receiving trays.

Background technique

Traditional duct-type indoor units generally can only be hoisted, and under the action of the fan assembly, the indoor air flows through the heat exchanger for heat exchange. Condensed water will be generated under cooling, and the evaporator of the indoor unit will generate condensed water. A water receiving pan is usually installed under the evaporator to receive the condensed water.

Contents of the invention

The purpose of the present disclosure is to provide an air conditioner indoor unit with multi-scenario water receiving trays, which can avoid sudden changes in wind speed when the air flows out of the volute, thereby improving the working performance of the air conditioner indoor unit.

In one aspect, an embodiment of the present disclosure provides an air conditioner indoor unit, including:

The fan assembly includes a volute, the volute has a volute air inlet and a volute air outlet;

a heat exchanger located on a side of the volute close to the air outlet of the volute; and

The water receiving tray for receiving the condensed water of the heat exchanger is located on the side of the volute near the air outlet of the volute, and the first side wall of the water receiving tray near the air outlet of the volute is provided There is a protruding part extending to the inner side of the water receiving tray, and the outer wall surface of the protruding part forms a wind guiding surface.

When the indoor unit of the air conditioner is working, the fan assembly can promote the flow of indoor air, and when the air flows through the heat exchanger, it exchanges heat with the heat exchanger, so as to realize the adjustment of the temperature of the indoor air. Wherein, in the case of air-conditioning refrigeration, condensed water will be generated on the heat exchanger, and the condensed water can drop into the water receiving tray to realize the collection and discharge of the condensed water.

The first side wall of the water receiving tray is adjacent to the air outlet of the volute, and the protrusion on the first side wall extends to the inside of the water receiving tray, so that the outer wall surface of the protrusion can form a wind guide surface, which is opposite to the volute. The airflow out of the air outlet of the shell is guided to reduce the generation of turbulent flow, improve the flow stability of the airflow, and then improve the heat exchange efficiency of the indoor unit of the air conditioner, reduce the working noise, and thus improve the working performance of the indoor unit of the air conditioner.

In some exemplary embodiments, the volute includes a volute tongue and a second side wall connected to the volute tongue, the second side wall is used to enclose the air outlet of the volute, and the air guiding surface is connected to the volute The distance between adjacent ends of the inner wall surface of the second side wall is 0-5mm.

The second side wall of the volute connected with the volute tongue is used to enclose the air outlet of the volute, and the second side wall is located on the side close to the water receiving tray, and the air guide surface is adjacent to the inner wall surface of the second side wall The distance between one end is 0-5mm, that is, the adjacent end of the air guide surface and the inner wall surface of the second side wall can be flush, or the end of the air guide surface adjacent to the second side wall is slightly lower than the second side wall. One end of the inner wall surface of the side wall adjacent to the air guide surface, so that the air channel formed by the inner wall surface of the volute air outlet and the air guide surface does not undergo a sudden change at the junction of the volute air outlet and the air guide surface (such as the ventilation cross-sectional area sudden increase, etc.), so as to avoid sudden changes in wind speed, help reduce turbulence, improve the flow stability of airflow, and then improve the heat exchange efficiency of the indoor unit of the air conditioner, reduce the working noise, thereby improving the working performance of the indoor unit of the air conditioner.

In some exemplary embodiments, the wind guiding surface and the inner wall surface of the second side wall are both planes, and the included angle is 165°-195°.

The air guide surface and the inner wall surface of the second side wall are both planes, and the angle between them is 165°-195°, that is, the air guide surface can swing at an angle of ±15° relative to the inner wall surface of the second side wall. Within the range, the airflow flowing out of the air outlet of the volute along the inner wall surface of the second side wall will not change greatly in the flow direction when it flows along the air guide surface, which reduces the generation of turbulent flow and is beneficial to reduce the work load. noise.

In some exemplary embodiments, the wind guiding surface is coplanar with the inner wall surface of the second side wall.

The wind guide surface is coplanar with the inner wall surface of the second side wall, that is, the adjacent end of the wind guide surface and the inner wall surface of the second side wall is flush, and the distance between the wind guide surface and the inner wall surface of the second side wall The included angle is 180°, so that the airflow flowing out of the air outlet of the volute along the inner wall surface of the second side wall will not change the flow direction when it flows along the air guide surface, so that the airflow flows smoothly and largely The generation of turbulence is reduced to improve the working performance of the indoor unit of the air conditioner.

In some exemplary embodiments, the water receiving tray includes a first water receiving chamber and a second water receiving chamber located between the first water receiving chamber and the air outlet of the volute, the first water receiving chamber The cavity is used to receive the condensed water of the heat exchanger when the indoor unit of the air conditioner is hoisted, and the second water receiving cavity is used to receive the condensed water of the heat exchanger when the indoor unit of the air conditioner is installed vertically. Condensed water, the first side wall is the side wall of the second water receiving chamber close to the air outlet of the volute, and the protruding part forms an overflow prevention part of the second water receiving chamber.

The water receiving tray includes a first water receiving chamber and a second water receiving chamber, wherein the second water receiving chamber is located between the first water receiving chamber and the volute air outlet, and the first water receiving chamber can be hoisted on the ceiling of the air conditioner indoor unit The second water receiving chamber can receive the condensed water of the heat exchanger when the indoor unit of the air conditioner is installed vertically against the side wall or the ground, that is, the first water receiving chamber and the second water receiving chamber The setting of the water receiving chamber enables the air conditioner indoor unit to be hoisted or vertically installed, enabling the air conditioner indoor unit to be installed in multiple scenarios, which improves the range of use of the air conditioner indoor unit, thereby improving the practicability of the air conditioner indoor unit.

Since the second water receiving cavity is closer to the air outlet of the volute than the first water receiving cavity, the first side wall with the protruding part is the side wall of the second water receiving cavity close to the air outlet of the volute. In the case of vertical installation of the indoor unit, the first side wall can be the bottom wall of the second water receiving chamber, and the protrusion on the first side wall can form the anti-overflow part of the second water receiving chamber to prevent condensed water from flowing from the second water receiving chamber. The water chamber is overflowing.

In some exemplary embodiments, the water receiving tray includes a partition, the first water receiving chamber and the second water receiving chamber are respectively located on both sides of the partition, and the first end of the heat exchanger Against the partition, the second end extends to a side away from the second water receiving chamber.

The partition part of the water receiving tray can divide the space in the water receiving tray into a first water receiving chamber and a second water receiving chamber, so that the first water receiving chamber and the second water receiving chamber are located on both sides of the partition respectively, and the heat exchange The first end of the heat exchanger leans against the partition, and the second end extends to the side away from the second water receiving chamber, so that when the air conditioner indoor unit is hoisted, the heat exchanger is located on the upper side of the first water receiving chamber, The first water receiving chamber can receive condensed water from the heat exchanger.

In some exemplary embodiments, the inner wall surface of the anti-overflow part forms an anti-overflow surface, and the projection of the end of the anti-overflow surface on the first side wall on the first side wall is located at the heat exchange The first end of the device is outside the projection on the first side wall.

The outer wall surface of the anti-overflow portion (protrusion) on the first side wall forms a wind guide surface, and the inner wall surface opposite to the outer wall surface forms an anti-overflow surface, and the end of the anti-overflow surface away from the first side wall is on the first side The projection on the wall is located outside the projection of the first end of the heat exchanger on the first side wall. Since the first end of the heat exchanger is the bottom end when the air conditioner indoor unit is installed vertically, the first side wall forms The bottom wall of the second water receiving chamber, the end of the anti-overflow surface away from the first side wall is the opening end of the top of the second water receiving chamber, therefore, the opening end of the top of the second water receiving chamber is at the bottom of the second water receiving chamber The projection on the wall is located outside the projection of the first end of the heat exchanger on the bottom wall of the second water receiving chamber, so that the condensed water generated on the heat exchanger can flow to the bottom end of the heat exchanger under the action of gravity , and can drip from the opening end of the second water receiving chamber into the second water receiving chamber to realize the acceptance of condensed water.

In some exemplary embodiments, the anti-overflow surface is an inclined surface with an end away from the first side wall inclined toward the outside.

The anti-overflow surface is an inclined surface inclined toward the outside at the end far away from the first side wall, so that when the air conditioner indoor unit is installed vertically, the end of the anti-overflow surface far away from the first side wall forms the opening at the top of the second water receiving chamber The opening at the end is relatively large, which is beneficial to ensure that the condensed water generated on the heat exchanger drops into the second water receiving chamber as much as possible.

In some exemplary embodiments, the first water receiving chamber and the second water receiving chamber communicate with each other or are independent of each other.

In some exemplary embodiments, the water receiving tray further includes a drain chamber, the first water receiving chamber and the second water receiving chamber are arranged side by side on the first side of the water receiving tray, and the drain The cavity is arranged on the second side of the water receiving tray, the first water receiving cavity and the second water receiving cavity are both in communication with the drain cavity, and the drain cavity is provided with a drain port.

The water receiving tray also includes a liquid discharge chamber, the first water receiving chamber and the second water receiving chamber are arranged side by side on the first side of the water receiving tray, the liquid discharging chamber is arranged on the second side of the water receiving tray, and the first receiving water chamber Both the water chamber and the second water receiving chamber are connected with the drain chamber, and the liquid drain chamber is provided with a drain port so that the condensed water received by the first water receiving chamber and the second water receiving chamber flows into the drain chamber and is discharged from the drain port. Drain the drip tray.

In some exemplary embodiments, a side of the first water-receiving chamber close to the liquid-discharging chamber is provided with a first communication port connecting the first water-receiving chamber and the liquid-discharging chamber, and the second The side of the water receiving chamber close to the liquid discharge chamber is provided with a second communication port connecting the second water receiving chamber and the liquid discharge chamber, and the liquid discharge port is arranged on the side of the liquid discharge chamber far away from the liquid discharge chamber. One side of the first water receiving chamber and the second water receiving chamber.

The side of the first water receiving chamber close to the liquid discharge chamber is provided with a first communication port, which can communicate with the first water receiving chamber and the liquid discharge chamber, and the side of the second water receiving chamber near the liquid discharge chamber is provided with a second communication port. The second communication port can communicate with the second communication port of the second water receiving chamber and the liquid discharge chamber, and the liquid discharge port is arranged on the side of the liquid discharge chamber away from the first water receiving chamber and the second water receiving chamber, so that the first The condensed water in the first water receiving chamber can flow to the liquid discharge chamber through the first communication port, and the condensed water in the second water receiving chamber can flow to the liquid discharge chamber through the second communication port, and be discharged from the liquid discharge port.

In some exemplary embodiments, the air conditioner indoor unit further includes a casing, the fan assembly, the heat exchanger and the water receiving tray are installed in the casing, and the casing is provided with the worm The casing air inlet communicated with the casing air inlet and the casing air outlet connected with the volute air outlet, and the heat exchanger is located in the air duct between the volute air outlet and the casing air inlet.

The fan assembly, heat exchanger and water tray are all installed in the casing, and the casing is provided with a casing air inlet and a casing air outlet, wherein the casing air inlet can be connected with the volute air inlet, and the casing air outlet can be connected with the The air outlet of the volute is connected, and the heat exchanger is located in the air duct between the air outlet of the volute and the air inlet of the casing, so that when the air conditioner is working, under the action of the fan assembly, the indoor air can enter the volute from the air inlet of the casing and enter the volute. The air outlet flows through the volute and then flows out from the air outlet of the volute, and then flows to the heat exchanger for heat exchange, and the air after heat exchange can be discharged into the room from the air outlet of the casing.

On the other hand, embodiments of the present disclosure provide an air conditioner, including the air conditioner indoor unit provided in any one of the above embodiments, thus having all the beneficial effects described above, which will not be repeated here.

Description of drawings

FIG. 1 is a three-dimensional schematic diagram of an air conditioner indoor unit according to an embodiment of the present disclosure;

FIG. 2 is a schematic cross-sectional view of a state of an air conditioner indoor unit according to an embodiment of the present disclosure;

Figure 2a is an enlarged schematic view of the structure of part A in Figure 2;

3 is a schematic cross-sectional view of another state of the air conditioner indoor unit according to an embodiment of the present disclosure;

FIG. 4 is a three-dimensional structural schematic diagram of a water receiving tray of an air conditioner indoor unit according to an embodiment of the present disclosure;

Fig. 5 is another stereoscopic structural diagram of the water receiving tray of the air conditioner indoor unit according to the embodiment of the present disclosure.

In the accompanying drawings, the list of parts represented by each label is as follows:

100-air conditioner indoor unit,

1-fan assembly, 11-volute, 111-second side wall, 112-volute air outlet, 113-inner wall, 114-volute tongue,

2-heat exchanger, 21-first end, 22-second end,

3-Water tray, 31-First water chamber, 311-First communication port, 32-Second water chamber, 321-Second communication port, 33-Drainage chamber, 331-Drainage port, 33- First side wall, 34-overflow prevention part, 341-wind guide surface, 342-overflow prevention surface, 35-partition, 361-first common wall, 362-second common wall, 37-first side, 38- second side,

4-housing, 41-housing air inlet, 42-housing air outlet, 43-panel, 44-side plate,

5- Side walls.

Detailed ways

The principles and features of the present disclosure will be described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present disclosure, and are not used to limit the scope of the present disclosure.

As shown in FIGS. 1-5 , an embodiment of the present disclosure provides an air conditioner indoor unit 100 , which may be an air duct type indoor unit.

The air conditioner indoor unit 100 is configured to include a fan assembly 1 , a heat exchanger 2 and a water receiving tray 3 .

Wherein, the fan assembly 1 is configured to include a volute 11 , and the volute 11 has a volute air inlet and a volute air outlet 112 . The fan assembly 1 is configured to further include a fan, which can be installed in the volute 11 . When the fan works, it can promote the flow of indoor air, so that the indoor air can enter the volute 11 from the air inlet of the volute, and then flow out from the air outlet 112 of the volute.

The heat exchanger 2 is arranged to be located on the side of the volute 11 close to the air outlet 112 of the volute, so that the gas flowing out from the air outlet 112 of the volute can flow to the heat exchanger 2 and exchange heat with the heat exchanger 2 to realize Regulation of indoor air temperature.

In the case of air conditioning refrigeration, condensed water will be generated on the heat exchanger 2, and the water receiving tray 3 can be used to receive the condensed water of the heat exchanger 2, and the water receiving tray 3 is set to be located near the air outlet 112 of the volute 11 side. The condensed water on the heat exchanger 2 can drop into the water receiving tray 3 to realize the collection and discharge of the condensed water.

Wherein, the water receiving tray 3 includes a first side wall 33, the first side wall 33 is arranged close to the air outlet 112 of the volute, the first side wall 33 is provided with a protruding portion extending toward the inner side of the water receiving tray 3, and the protruding portion The outer wall surface of the air conditioner can form a wind guide surface 341, which can guide the airflow flowing out of the air outlet 112 of the volute, so as to reduce the generation of turbulent flow, improve the flow stability of the airflow, and then improve the heat exchange efficiency of the air conditioner indoor unit 100, reduce the working noise, thereby improving the working performance of the air conditioner indoor unit 100 .

In some exemplary embodiments, as shown in FIG. 2 and FIG. 2 a , the adjacent end of the air guide surface 341 of the water receiving tray 3 and the inner wall surface 113 of the volute air outlet 112 (that is, the air guide surface 341 in FIG. 2 The distance D between the left end of the volute and the right end of the inner wall surface of the volute air outlet 112) can be set to 0-5mm, for example, the distance D can be set to 0mm, that is, the distance between the air guide surface 341 and the inner wall surface 113 of the volute air outlet 112 The adjacent ends are flush, or the distance D can be set to 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 3.86mm, 4mm, 4.5mm, etc., so that the adjacent volute air outlet 112 of the air guide surface 341 One end of the volute is slightly lower than the end of the inner wall surface 113 of the volute air outlet 112 adjacent to the air guiding surface 341 . The adjacent end of the air guide surface 341 of the water receiving tray 3 and the inner wall surface 113 of the volute air outlet 112 is along the air outlet direction of the volute air outlet 112 (ie, the left and right direction in Fig. 2 and Fig. 2a) Coincidentally, there is a distance D in the direction roughly perpendicular to the wind outlet direction (ie, the up-down direction in Fig. 2 and Fig. 2a).

The distance D between the adjacent end of the air guide surface 341 of the water tray 3 and the inner wall surface 113 of the volute air outlet 112 is set to 0-5mm, so that the inner wall surface of the volute air outlet 112 and the air guide surface 341 The formed air duct does not undergo a sudden change (such as a sudden increase in the ventilation cross-sectional area, etc.) at the junction of the volute air outlet 112 and the air guide surface 341, thereby avoiding a sudden change in wind speed, helping to reduce turbulent flow and improve the flow of air flow Stability, thereby improving the heat exchange efficiency of the indoor unit of the air conditioner, reducing the working noise, thereby improving the working performance of the indoor unit of the air conditioner.

Of course, the distance D in the embodiment of the present disclosure is not limited to 0-5 mm, and can also be adjusted according to actual needs.

In some exemplary embodiments, as shown in FIG. 2 and FIG. 3 , the volute 11 is configured to include a volute tongue 114 and a second side wall 111 , the second side wall 111 and the volute tongue 114 are connected, and the second side wall 111 can be Tangent to the cochlear tongue 114. The second side wall 111 is configured to be used to enclose the air outlet 112 of the volute, and the second side wall 111 is located on the side close to the water receiving tray 3 , and the wind guiding surface 341 is adjacent to the inner wall surface of the second side wall 111 The distance between one end is 0-5mm, that is, the end adjacent to the inner wall surface of the air guide surface 341 and the second side wall 111 can be flush, or the end adjacent to the second side wall 111 of the air guide surface 341 is slightly One end of the inner wall surface lower than the second side wall 111 adjacent to the air guide surface 341, and the distance between the two is not more than 5mm, so as to avoid sudden changes in wind speed and increased turbulence caused by sudden changes in the ventilation cross-sectional area of the air duct occur.

In some exemplary embodiments, as shown in FIG. 2 , FIG. 2 a and FIG. 3 , the wind guiding surface 341 and the inner wall surface of the second side wall 111 are both planes, and the angle α between them is set to 165°- 195°, that is, the wind guide surface 341 can swing within the angle range of ±15° (15° clockwise to 15° counterclockwise) relative to the inner wall surface of the second side wall 111, so that the wind along the second side wall 111 When the airflow flowing out of the volute air outlet 112 from the inner wall surface subsequently flows along the air guide surface 341 , the flow direction will not change greatly, which reduces the generation of turbulent flow and is beneficial to reduce the working noise.

The range of the included angle α can be set to 180°-195°, and the included angle α can be set to 170°, 175°, 180°, 185°, 190°, etc. Certainly, the included angle α in the embodiment of the present disclosure is not limited to 165°-195°, and can also be adjusted according to actual needs.

In some exemplary embodiments, as shown in FIG. 2 , FIG. 2 a and FIG. 3 , the angle α between the wind guiding surface 341 and the inner wall surface of the second side wall 111 is set to 180°, and because the wind guiding surface 341 and The adjacent end of the inner wall surface of the second side wall 111 is flush, so that the air guide surface 341 is coplanar with the inner wall surface of the second side wall 111, so that the air flow out of the volute air outlet along the inner wall surface of the second side wall 111 When the airflow at 112 subsequently flows along the air guide surface 341, the flow direction will not change, making the airflow flow smoothly, greatly reducing the generation of turbulent flow, and improving the working performance of the air conditioner indoor unit.

It should be understood that the wind guide surface 341 is not limited to being a plane, but may also be an arc surface, and the arc surface may be connected with the inner side wall surface of the second side wall 111 in a smooth transition, and the tangent surface of the arc surface is connected with the inner side wall surface of the second side wall 111. The angle between the walls can be set to 165°-195°.

In some exemplary embodiments, as shown in FIGS. 2-5 , the water receiving tray 3 is configured to include a first water receiving chamber 31 and a second water receiving chamber 32, wherein the second water receiving chamber 32 is located in the first water receiving chamber 31 and the air outlet 112 of the volute, that is, the first water receiving chamber 31 is far away from the air outlet 112 of the volute, and the second water receiving chamber 32 is close to the air outlet 112 of the volute.

As shown in Figure 2, the first water receiving chamber 31 is set to receive the condensed water of the heat exchanger 2 when the air conditioner indoor unit is hoisted (such as installed on the ceiling); as shown in Figure 3, the second water receiving chamber 32 It is arranged to receive the condensed water of the heat exchanger 2 when the air conditioner indoor unit is vertically installed (such as installed against the side wall 5 or against the ground). That is, the setting of the first water receiving chamber 31 and the second water receiving chamber 32 enables the air conditioner indoor unit to be hoisted or vertically installed, so that the air conditioner indoor unit can be installed in multiple scenarios, which improves the scope of use of the air conditioner indoor unit, and further improves the air conditioner. The practicality of the indoor unit.

Since the second water receiving chamber 32 is closer to the volute air outlet 112 than the first water receiving chamber 31 , the first side wall 33 provided with the protruding part is the second water receiving chamber 32 close to the volute air outlet 112 side wall. As shown in Figure 3, when the indoor unit of the air conditioner is installed vertically, the first side wall 33 can be the bottom wall of the second water receiving chamber 32, and the protrusion on the first side wall 33 can be used as the second water receiving chamber. The side wall of the chamber 32 forms the anti-overflow portion 34 of the second water receiving chamber 32 to prevent condensed water from overflowing from the second water receiving chamber 32 .

In some exemplary embodiments, as shown in FIGS. 2-5 , the water receiving tray 3 includes a partition 35, and the partition 35 can divide the space in the water receiving tray 3 into a first water receiving chamber 31 and a second water receiving chamber. cavity 32, so that the first water receiving cavity 31 and the second water receiving cavity 32 are located on two sides of the partition 35, respectively.

As shown in FIG. 2, the first end (lower end in FIG. The first end 21 and the second end 22 are arranged to extend to a side away from the second water receiving cavity 32 . In the case of hoisting the indoor unit of the air conditioner, the heat exchanger 2 is located on the upper side of the first water receiving chamber 31 , and the first water receiving chamber 31 can receive the condensed water of the heat exchanger 2 .

In some exemplary embodiments, as shown in FIGS. 2 and 3 , the outer wall surface of the anti-overflow portion 34 (protruding portion) on the first side wall 33 forms a wind guide surface 341, and the anti-overflow portion 34 is opposite to the outer wall surface. The anti-overflow surface 342 is formed on the inner wall surface of the anti-overflow part 34 , that is, the anti-overflow surface 342 of the anti-overflow part 34 is opposite to the wind guiding surface 341 .

As shown in Figure 3, when the air conditioner indoor unit is installed vertically, the first end 21 of the heat exchanger 2 is the bottom end, the first side wall 33 forms the bottom wall of the second water receiving chamber 32, and the anti-overflow part 34 is used As the side wall of the second water receiving chamber 32 , the end of the anti-overflow surface 342 away from the first side wall 33 is the open end of the top of the second water receiving chamber 32 .

As shown in FIG. 3 , the projection of the end of the anti-overflow surface 342 away from the first side wall 33 on the first side wall 33 is located outside the projection of the first end of the heat exchanger 2 on the first side wall 33 , that is In the case of vertical installation of the air conditioner indoor unit, the projection of the opening end of the top of the second water receiving chamber 32 on the bottom wall of the second water receiving chamber 32 is located at the bottom of the heat exchanger 2 and at the bottom of the second water receiving chamber 32 The outside of the projection on the wall can make the condensed water generated on the heat exchanger 2 flow to the bottom of the heat exchanger 2 under the action of gravity, and drip from the open end of the second water receiving chamber 32 to the second In the water receiving chamber 32, the condensed water is received.

In some exemplary embodiments, as shown in FIG. 2 and FIG. 3 , the anti-overflow surface 342 is set as an inclined surface, and the end of the anti-overflow surface 342 away from the first side wall 33 is set to be inclined toward the outside of the water receiving tray 3 , In the case of vertical installation of the air conditioner indoor unit, the opening end of the second water receiving chamber 32 formed on the end of the anti-overflow surface 342 away from the first side wall 33 is relatively large, which is beneficial to ensure that the condensation generated on the heat exchanger 2 The water drops into the second water receiving cavity 32 as much as possible.

In some exemplary embodiments, the anti-overflow portion 34 may have a trapezoidal cross section.

In some exemplary embodiments, the first water receiving chamber 31 and the second water receiving chamber 32 are configured to be communicable with each other. For example, a communication port can be provided on the partition 35 to connect the first water receiving chamber 31 and the second water receiving chamber 32 .

In some other exemplary embodiments, the first water receiving cavity 31 and the second water receiving cavity 32 are configured to be independent from each other, so that the first water receiving cavity 31 and the second water receiving cavity 32 are not connected.

In some exemplary embodiments, as shown in FIG. 4 and FIG. 5 , the water receiving tray 3 is configured to further include a liquid discharge chamber 33 , and the first water receiving chamber 31 and the second water receiving chamber 32 are arranged side by side at the bottom of the water receiving tray 3 . The first side 37 and the liquid discharge chamber 33 are disposed on the second side 38 of the water receiving tray 3 , and the first side 37 and the second side 38 are opposite to each other. Both the first water receiving chamber 31 and the second water receiving chamber 32 communicate with the liquid discharge chamber 33, and the liquid discharge chamber 33 is provided with a liquid discharge port 331 so that the condensed water flow received by the first water receiving chamber 31 and the second water receiving chamber 32 to the liquid discharge cavity 33, and discharge the water receiving tray 3 from the liquid discharge port 331.

In some exemplary embodiments, a first communication port 311 is provided on a side of the first water receiving chamber 31 close to the liquid discharge chamber 33 , and the first communication port 311 can communicate with the first water receiving chamber 31 and the liquid discharge chamber 33 . As shown in FIG. 4 and FIG. 5 , there is a first common wall 361 between the first water receiving chamber 31 and the liquid discharge chamber 33 , and the first communication port 311 may be disposed on the first common wall 361 .

A side of the second water receiving chamber 32 close to the liquid discharge chamber 33 is provided with a second communication port 321 , and the second communication port 321 can communicate with the second water receiving chamber 32 and the second communication port 321 of the liquid discharge chamber 33 . As shown in FIG. 4 and FIG. 5 , there is a second common wall 362 between the second water receiving chamber 32 and the liquid discharge chamber 33 , and the second communication port 321 may be disposed on the second common wall 362 .

The liquid discharge port 331 is disposed on a side of the liquid discharge chamber 33 away from the first water receiving chamber 31 and the second water receiving chamber 32 , and the liquid discharge port 331 may be located on a side close to the second water receiving chamber 32 . Wherein, the liquid discharge port 331 can be arranged on the chamber wall opposite to the first common wall 361 and the second common wall 362 of the liquid discharge chamber 33, or can be arranged on the first common wall 361 and the second common wall 362 of the liquid discharge chamber 33. Common wall 362 is adjacent to the cavity wall.

The condensed water in the first water receiving chamber 31 can flow to the liquid discharge chamber 33 through the first communication port 311, and the condensed water in the second water receiving chamber 32 can flow to the liquid discharge chamber 33 through the second communication port 321, and self-draining Port 331 exits.

In some exemplary embodiments, as shown in FIGS. 1-3 , the air conditioner indoor unit is configured to further include a casing 4 , and the water receiving tray 3 , the heat exchanger 2 and the fan assembly 1 are configured to be installable in the casing 4 . The casing 4 is provided with a casing air inlet 41 and a casing air outlet 42, wherein the casing air inlet 41 is arranged to communicate with the volute air inlet, and the casing air outlet 42 is arranged to communicate with the volute air outlet 112. Heater 2 is set to be located in the air duct between volute air outlet 112 and casing air inlet 41, so that when the air conditioner is working, under the action of fan assembly 1, indoor air can enter the volute from casing air inlet 41 and enter The air outlet flows through the volute 11 and then flows out from the air outlet 112 of the volute, and then flows to the heat exchanger 2 for heat exchange, and the air after heat exchange can be discharged into the room through the air outlet 42 of the casing.

The first water receiving chamber 31 and the second water receiving chamber 32 of the water receiving tray 3 can be located in the air duct between the air outlet 112 of the volute and the air inlet 41 of the casing, and the liquid discharge chamber 33 can be located between the air outlet 112 of the volute and the air inlet 41 of the casing. Outside the air duct between the air inlets 41 of the body.

As shown in FIG. 2 and FIG. 3 , the casing 4 is configured to include a surface 43 , the casing air inlet 41 may be disposed on the panel 43 , and the casing air outlet 42 may be disposed on a side plate 44 adjacent to the panel 43 . Wherein, as shown in FIG. 2 , in the case of hoisting the indoor unit of the air conditioner, the panel 43 is located on the lower side, and the side plate 44 faces the front side (the right side in FIG. 2 ), that is, the casing 4 can take in air from the lower side, Side air outlet; as shown in Figure 3, when the indoor unit of the air conditioner is installed vertically, the panel 43 is located on the front side (such as the side away from the side wall 5), and the side plate 44 faces the upper side, that is, the housing 4 enters from the front side. The wind can come out from the upper side. The direction indicated by the arrows in groups of three in Fig. 2 and Fig. 3 is the flow direction of the wind.

It should be understood that the casing 4 may have a casing air inlet 41 , and air is taken in from the casing air inlet 41 when the air conditioner indoor unit is hoisted or vertically installed. Certainly, the casing 4 may have multiple (eg two) casing air inlets 41 , and the air-conditioning indoor unit is hoisted and installed vertically from different casing air inlets 41 respectively.

The casing 4 may have a casing air outlet 42, and the air-conditioning indoor unit is all blown out from the casing air outlet 42 when the air conditioner indoor unit is hoisted or vertically installed. Certainly, the casing 4 may have multiple (eg two) casing air outlets 42 , and the air-conditioning indoor unit is hoisted and vertically installed, and air is discharged from different casing air outlets 42 .

Embodiments of the present disclosure also provide an air conditioner, including the air conditioner indoor unit provided by any one of the above embodiments, thus having all the beneficial effects described above, which will not be repeated here.

In describing the present disclosure, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present disclosure and simplifying the description, rather than indicating or implying the referred device or Elements must have certain orientations, be constructed and operate in certain orientations, and thus should not be construed as limitations on the present disclosure.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present disclosure, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In this disclosure, terms such as "installation", "connection", "connection" and "fixation" should be interpreted in a broad sense, for example, it can be a fixed connection or a detachable connection unless otherwise clearly defined and limited. , or integrated; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components or the interaction relationship between two components, unless otherwise specified limit. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present disclosure according to specific situations.

In the present disclosure, unless otherwise clearly stated and limited, a first feature being "on" or "under" a second feature may mean that the first and second features are in direct contact, or that the first and second features are indirect through an intermediary. touch. Moreover, "above", "above" and "above" the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. "Below", "beneath" and "beneath" the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

In the description of this specification, descriptions with reference to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structure, material or characteristic is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

Although the embodiments of the present disclosure have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limitations on the present disclosure, and those skilled in the art can understand the above-mentioned embodiments within the scope of the present disclosure. The embodiments are subject to changes, modifications, substitutions and variations.

Claims (13)

1. An air conditioner indoor unit is characterized in that it comprises:

   The fan assembly includes a volute, the volute has a volute air inlet and a volute air outlet;

   a heat exchanger located on a side of the volute close to the air outlet of the volute; and

   The water receiving tray for receiving the condensed water of the heat exchanger is located on the side of the volute near the air outlet of the volute, and the first side wall of the water receiving tray near the air outlet of the volute is provided There is a protruding part extending to the inner side of the water receiving tray, and the outer wall surface of the protruding part forms a wind guiding surface.
2. The air-conditioning indoor unit according to claim 1, wherein the volute includes a volute tongue and a second side wall connected to the volute tongue, and the second side wall is used to enclose the outlet of the volute. For the air outlet, the distance between the air guiding surface and an adjacent end of the inner wall surface of the second side wall is 0-5mm.
3. The air-conditioning indoor unit according to claim 2, wherein the air guide surface and the inner wall surface of the second side wall are both planes, and the included angle is 165°-195°.
4. The air-conditioning indoor unit according to claim 2 or 3, wherein the air guide surface is coplanar with the inner wall surface of the second side wall.
5. The air-conditioning indoor unit according to any one of claims 1 to 4, wherein the water receiving tray includes a first water receiving chamber, and a The second water receiving chamber between the two, the first water receiving chamber is used to receive the condensed water of the heat exchanger when the air conditioner indoor unit is hoisted, the second water receiving chamber is used for When the indoor unit is vertically installed, it receives the condensed water of the heat exchanger, the first side wall is the side wall of the second water receiving chamber close to the air outlet of the volute, and the protruding part forms the Describe the anti-overflow part of the second water receiving chamber.
6. The air-conditioning indoor unit according to any one of claims 1 to 5, wherein the water receiving tray includes a partition, and the first water receiving chamber and the second water receiving chamber are located in the partition respectively. The first end of the heat exchanger abuts against the partition, and the second end extends to a side away from the second water receiving chamber.
7. The air-conditioning indoor unit according to claim 5 or 6, wherein the inner wall surface of the anti-overflow part forms an anti-overflow surface, and an end of the anti-overflow surface far away from the first side wall is on the first side wall. The projection on the side wall is outside the projection of the first end of the heat exchanger on the first side wall.
8. The air-conditioning indoor unit according to claim 7, characterized in that, the anti-overflow surface is an inclined surface in which an end away from the first side wall is inclined toward the outside.
9. The air-conditioning indoor unit according to any one of claims 5 to 8, wherein the first water receiving chamber and the second water receiving chamber communicate with each other or are independent of each other.
10. The air-conditioning indoor unit according to any one of claims 5 to 9, wherein the water receiving tray further includes a drain chamber, and the first water receiving chamber and the second water receiving chamber are arranged in parallel The first side of the water receiving tray, the liquid discharge chamber is arranged on the second side of the water receiving tray, the first water receiving chamber and the second water receiving chamber are both connected to the liquid discharge chamber , the drain chamber is provided with a drain port.
11. The air conditioner indoor unit according to claim 10, characterized in that, a side of the first water-receiving chamber close to the liquid-discharging chamber is provided with a second water-receiving chamber and the liquid-discharging chamber. A communication port, the side of the second water receiving chamber close to the liquid discharge chamber is provided with a second communication port connecting the second water receiving chamber and the liquid discharge chamber, and the liquid discharge port is arranged on A side of the liquid discharge chamber away from the first water receiving chamber and the second water receiving chamber.
12. The air-conditioning indoor unit according to any one of claims 1 to 11, further comprising a casing, the fan assembly, the heat exchanger and the water receiving tray are installed in the casing, so that The casing is provided with a casing air inlet connected to the volute air inlet and a casing air outlet connected to the volute air outlet, and the heat exchanger is located between the volute air outlet and the casing In the air duct between the air inlets.
13. An air conditioner, characterized by comprising the air conditioner indoor unit according to any one of claims 1-12.

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