Drain system and air conditioner

Abstract

Disclosed are a drainage system and an air conditioner. The drainage system includes a heat exchange assembly, an air outlet frame component and a water pan component, wherein the heat exchange assembly includes a bracket (26) and an indoor heat exchanger (21), a top surface of the bracket (26) is provided with a drainage groove (29) which is guided to the indoor heat exchanger (21), the air outlet frame component includes an air outlet frame (20), the air outlet frame (20) is provided with a flow guiding structure (27) for guiding a condensed water on the air outlet frame (20), the water pan component includes an upper water pan (22) and a lower water pan (24), wherein the upper water pan (22) is arranged below the indoor heat exchanger (21), and receives a condensed water flowing down from the indoor heat exchanger (21), the lower water pan (24) is arranged below the air outlet frame (20), the lower water pan (24) includes a second water-receiving area (2) and a third water-receiving area (3), the second water-receiving area (2) is configured to receive a condensed water generated in an inner area of an air outlet, the third water-receiving area (3) is configured to receive a condensed water generated in an air outlet area. The drainage system is able to effectively collect condensed water generated in various parts of an air conditioner, thereby improving the usage safety of the air conditioner.

Description

Cross-Reference to Related Application

[0001] This application claims priority to Chinese Patent Application No. 202311407244.7, filed with the Chinese Patent Office on October 26, 2023 and entitled "Drainage system and air conditioner".Technical Field

[0002] The present application relates to the field of air conditioning technologies, and in particular, to a drainage system and an air conditioner.Background

[0003] A design of a drainage system in a design of an existing air conditioner is very important. Currently, in a vertical air conditioner in the market, when the air conditioner works normally, cold and hot air joins to generate a temperature difference, and when the temperature difference reaches a dew point of water vapor, a condensation phenomenon is generated, so that condensed water leaks out or is blown out from the air conditioner. If the condensed water cannot be effectively discharged in time, the condensed water will drop or flow along an outer wall of the air conditioner to a floor to corrode the floor belong to the user, which may cause a potential risk of quality complaints.

[0004] The drainage structure provided in a conventional drainage system is only used for collecting and draining condensed water generated on heat exchange tubes of an evaporator and left and right side wall surfaces of an air outlet, part of the structure design is not reasonable, such that condensed water generated in the an outlet area of the air outlet cannot be collected and drained effectively. Therefore, a large amount of condensed water in the air conditioner cannot be drained, which causes water to enter electrical components, thereby causing potential electrical safety hazards.Summary

[0005] The main purpose of the present application is to provide a drainage system and an air conditioner, which is able to effectively collect condensed water generated in various parts of the air conditioner, thereby improving a usage safety of the air conditioner.

[0006] In order to achieve the described object, according to one aspect of the present application, provided is a drainage system, including a heat exchange assembly, an air outlet frame component and a water pan component, wherein the heat exchange assembly includes a bracket and an indoor heat exchanger, a top surface of the bracket is provided with a drainage groove which is guided to the indoor heat exchanger, the air outlet frame component includes an air outlet frame, the air outlet frame is provided with a flow guiding structure for guiding a condensed water on the air outlet frame, the water pan component includes an upper water pan and a lower water pan, wherein the upper water pan is arranged below the indoor heat exchanger, and receives a condensed water flowing down from the indoor heat exchanger, the lower water pan is arranged below the air outlet frame, the lower water pan includes a second water-receiving area and a third water-receiving area, the second water-receiving area is configured to receive a condensed water generated in an inner area of an air outlet, the third water-receiving area is configured to receive a condensed water generated in an air outlet area.

[0007] In some embodiments, the lower water pan further includes a first water-receiving area, the first water-receiving area includes a drainage port, condensed water from the upper water pan, the second water-receiving area, and the third water-receiving area is completely discharged into the first water-receiving area and drained from the drainage port.

[0008] In some embodiments, the air outlet frame is provided with an inclined groove, the flow guiding structure is disposed on a side surface of the air outlet frame, and a tail end of the flow guiding structure is disposed corresponding to a starting end of the inclined groove, a tail end of the inclined groove faces the second water-receiving area, and the condensed water generated by the air outlet frame is able to fall into the second water-receiving area via the flow guiding structure and the inclined groove.

[0009] In some embodiments, the flow guiding structure includes a flow guiding plate disposed at a bottom of the air outlet frame, the flow guiding plate is arranged on a peripheral side of the air outlet frame, and the flow guiding plate is arranged to be inclined towards the inclined groove; or, the flow guiding structure includes a flow guiding groove disposed on a side surface of the air outlet frame and extending obliquely in a direction from top to bottom, and a tail end of the flow guiding groove is communicated with the inclined groove.

[0010] In some embodiments, the drainage system further includes an air duct and an air inlet panel, the indoor heat exchanger is fixed on the bracket, the air outlet frame is fixed on the air duct, and the lower water pan is fixed to the air inlet panel via the air duct.

[0011] In some embodiments, projections of the upper water pan and the air outlet frame in a vertical direction fall within a projection area of the lower water pan in the vertical direction.

[0012] In some embodiments, the second water-receiving area and the third water-receiving area are vertically staggered to form a stepped structure, the first water-receiving area is disposed at a side of the second water-receiving area away from the third water-receiving area, and encloses a driver mounting area together with the second water-receiving area and the third water-receiving area.

[0013] In some embodiments, a driving arm movable groove is formed in a gap between the second water-receiving area and the third water-receiving area, and the driving arm movable groove is configured to allow a driving arm to extend out from the driver mounting area and provide a movable space for the driving arm.

[0014] In some embodiments, the lower water pan 24 includes a driving box, the third water-receiving area is formed by a box cover of the driving box, the driver mounting area is used for mounting a portion of the driving box other than the box cover, and the driving box is configured to accommodate a driver.

[0015] In some embodiments, the third water-receiving area is located below the second water-receiving area, when projected in a vertical direction, a projection area of a side of the second water-receiving area close to the air outlet completely overlaps with a projection area of the third water-receiving area close to the second water-receiving area, a projection area of a side of the third water-receiving area close to the air outlet is located outside the second water-receiving area.

[0016] In some embodiments, the lower water pan 24 includes a first pan body and a second pan body, the first water-receiving area and the second water-receiving area are located on the first pan body, the third water-receiving area is located on the second pan body, and the second pan body is detachably connected to the first pan body.

[0017] In some embodiments, a bottom surface of the second water-receiving area is higher than a bottom surface of the first water-receiving area, a step is formed between the first water-receiving area and the second water-receiving area, and a bottom surface of the third water-receiving area is higher than the bottom surface of the first water-receiving area, the second pan body is inserted into a vertical surface of the step, and a water conveying channel is formed at an insertion position, and the third water-receiving area conveys the condensed water to the first water-receiving area via the water conveying channel.

[0018] In some embodiments, the second pan body is U-shaped in a top view direction, both ends of the second pan body are inserted in the vertical surface, and the second water-receiving area is located between two side walls of a U-shaped structure of the second pan body.

[0019] In some embodiments, the first water-receiving area is provided with a water collecting structure, the water collecting structure is arranged corresponding to the drainage port, and the water collecting structure is configured to receive a condensed water generated by the indoor heat exchanger and guide the condensed water towards the drainage port.

[0020] In some embodiments, the water collecting structure includes a collecting groove with an upward opening and a flow groove located at a lower side, the flow groove cooperates with a bottom surface of the first water-receiving area to form a flow channel, a water collecting port is formed at a bottom of the collecting groove, and the flow channel and the water collecting port are communicated to the drainage port together.

[0021] In some embodiments, the first water-receiving area is provided with a plurality of positioning members, the positioning members enclose a positioning area, the water collecting structure is located in the positioning area, and forms an interference fit with the positioning members.

[0022] According to another aspect of the present application, an air conditioner is provided, comprising the aforementioned drainage system.

[0023] By applying the technical solution of the present application, the drainage system includes a heat exchange assembly, an air outlet frame component and a water pan component, where the heat exchange assembly includes a bracket and an indoor heat exchanger, a top surface of the bracket is provided with a drainage groove which is guided to the indoor heat exchanger, the air outlet frame component includes an air outlet frame, and the air outlet frame is provided with a flow guiding structure for guiding a condensed water on the air outlet frame, the water pan component includes an upper water pan and a lower water pan, where the upper water pan is arranged below the indoor heat exchanger, and receives a condensed water flowing down from the indoor heat exchanger, the lower water pan is provided below the air outlet frame, and the lower water pan includes a second water-receiving area and a third water-receiving area, the second water-receiving area is configured to receive a condensed water generated in an inner area of an air outlet, and the third water-receiving area is configured to receive a condensed water generated in an air outlet area. In the drainage system, the drainage groove is provided on the top surface of the bracket of the heat exchange assembly, and the flow guiding structure is provided on the air outlet frame, the upper water pan is arranged below the indoor heat exchanger, and the lower water pan is arranged below the air outlet frame, and the structure of the lower water pan is optimized, so that the lower water pan can not only receive the condensed water generated in the inner area of the air outlet, but also receive the condensed water generated in the air outlet area, so that the condensed water generated by the air conditioner is able to be effectively collected and discharged, furthermore, the support strength of the water pan is improved, and the water receiving and draining functions of the system and the structural stability of the conditioner body are effectively ensured, so that a phenomenon of water leakage does not occur easily in the air conditioner, the drainage system has a reasonable layout and a good drainage effect.Brief Description of the Drawings

[0024] The accompanying drawings, which form a part of the present application, are used for providing a further understanding of the present application. The schematic embodiments and illustrations of the present application are used for explaining the present application, and do not form improper limits to the present application. In the drawings: Fig. 1 shows a three-dimensional structure view of a drainage system of an air conditioner according to an embodiment of the present application; Fig. 2 is a partially enlarged structural view illustrating a drainage system of an air conditioner according to an embodiment of the present application; Figure 3 illustrates a first isometric view of a lower water pan of an air conditioner according to an embodiment of the present application; Figure 4 illustrates a second isometric view of a lower water pan of an air conditioner according to an embodiment of the present application; Fig. 5 is a schematic view illustrating an assembling structure of a lower water pan of an air conditioner and a driving box according to an embodiment of the present application; and Fig. 6 is a schematic view illustrating an inner structure of an air conditioner according to an embodiment of the present application.

[0025] The figures include the following reference signs: 1, first water-receiving area; 2, second water-receiving area; 3, third water-receiving area; 4, first outer flange; 5, first inner flange; 6, first pan body; 7, second pan body; 8, first flow guide surface; 9, second flow guide surface; 10, reinforcing rib; 11, drain channel; 12, connecting seat; 13, connecting member; 14, water collecting structure; 15, drainage port; 16, collecting groove; 17, flow groove; 18, positioning member; 19, driver mounting area; 20, air outlet frame; 21, indoor heat exchanger; 22, upper water pan; 23, driving box; 24, lower water pan; 25, air duct; 26, bracket; 27, flow guiding structure; 28, inclined groove; 29, drainage groove.Detailed Description of the Embodiments

[0026] It is important to note that the embodiments of the present application and the characteristics in the embodiments can be combined under the condition of no conflicts. The present application will be described below with reference to the drawings and embodiments in detail.

[0027] With reference to Fig. 1 to Fig. 6, according to embodiments of the present application, a drainage system includes a heat exchange assembly, an air outlet frame part and a water pan component, the heat exchange assembly includes a bracket 26 and an indoor heat exchanger 21, a top surface of the bracket 26 is provided with a drainage groove 29 which is guided to the indoor heat exchanger 21, the air outlet frame component includes an air outlet frame 20, and the air outlet frame 20 is provided with a flow guiding structure 27 for guiding a condensed water on the air outlet frame 20, the water pan component includes an upper water pan 22 and a lower water pan 24, wherein the upper water pan 22 is provided below the indoor heat exchanger 21, and receives a condensed water flowing down from the indoor heat exchanger 21, the lower water pan 24 includes a second water-receiving area 2 and a third water-receiving area 3. The second water-receiving area 2 is configured to receive a condensed water generated in an inner area of an air outlet, the third water-receiving area 3 is configured to receive a condensed water generated in an air outlet area.

[0028] In the drainage system, the drainage groove 29 is provided on the top surface of the bracket 26 of the heat exchange assembly, and the flow guiding structure 27 is provided on the air outlet frame 20, the upper water pan 22 is arranged below the indoor heat exchanger 21, and the lower water pan 24 is arranged below the air outlet frame 20, and the structure of the lower water pan 24 is optimized, so that the lower water pan 24 can not only receive the condensed water generated in the inner area of the air outlet, but also receive the condensed water generated in the air outlet area, so that the condensed water generated by the air conditioner is able to be effectively collected and discharged. Furthermore, the support strength of the water pan is improved, and the water receiving and draining functions of the system and the stability of the conditioner body are effectively ensured, so that a phenomenon of water leakage does not occur easily in the air conditioner, the drainage system has a reasonable layout and a good drainage effect.

[0029] In an embodiment, the lower water pan 24 further includes a first water-receiving area 1, the first water-receiving area 1 includes a drainage port 15, condensed water from the upper water pan 22, the second water-receiving area 2 and the third water-receiving area 3 is completely discharged into the first water-receiving area 1 and drained from the drainage port. The second water-receiving area 2 is configured to receive the condensed water generated in the inner area of the air outlet, and discharge a collected condensed water to the first water-receiving area 1. The third water-receiving area 3 is disposed at an air outlet side of the second water-receiving area 2 and configured to receive condensed water generated at the air outlet, and discharge the collected condensed water to the first water-receiving area 1.

[0030] The lower water pan 24 includes the first water-receiving area 1, the second water-receiving area 2, and the third water-receiving area 3. The second water-receiving area 2 is used for receiving the condensed water inside the air outlet and on the left and right sides of the air outlet, the third water-receiving area 3 is used for receiving condensed water generated in the air outlet area, where the condensed water generated in the air outlet area refers to condensed water generated in air outlet ranges such as inner and outer sides of the air outlet and an edge area of the air outlet. Thus, the condensed water generated on the left and right sides of the air outlet and in the range of the air outlet is able to be effectively collected, so that the condensed water is able to be collected more comprehensively, a large amount of condensed water accumulated in the air conditioner is prevented from entering the electrical components and causing electrical potential safety hazards,, and the use safety of the air conditioner is improved.

[0031] In one embodiment, the air outlet frame 20 is provided with an inclined groove 28, the flow guiding structure 27 is provided on a side surface of the air outlet frame 20, a tail end of the flow guiding structure 27 is provided corresponding to a starting end of the inclined groove 28, a tail end of the inclined groove 28 faces the second water-receiving area 2, and the condensed water generated by the air outlet frame 20 is able to fall into the second water-receiving area 2 via the flow guiding structure 27 and the inclined groove 28.

[0032] In this embodiment, the inclined groove 28 is provided above the second water-receiving area 2, and forms a butt joint with the flow guiding structure 27 on the air outlet frame 20, the flow guiding structure 27 is able to guide and converge the condensed water on the air outlet frame 20, so that the condensed water on the air outlet frame 20 flows quickly to the inclined groove 28 along a preset path under the guidance of the flow guiding structure 27, and flows into the second water-receiving area 2 under the guidance of the inclined groove 28 for collection, thereby improving the collection efficiency of the condensed water.

[0033] In one embodiment, the flow guiding structure 27 includes a flow guiding plate provided at a bottom of the air outlet frame 20, the flow guiding plate is provided on a peripheral side of the air outlet frame 20, and the flow guiding plate is arranged to be inclined towards the inclined groove 28.

[0034] In this embodiment, the drainage board may be designed as a spiral plate structure, and the tail end of the spiral plate is in butt joint with the inclined groove 28, so that the condensed water guided along the spiral plate is able to flow into the inclined groove 28 at the tail end of the spiral plate, and be discharged into the second water-receiving area 2 along the inclined groove 28.

[0035] In one embodiment, the flow guiding structure 27 includes a flow guiding groove which is provided on a side surface of the air outlet frame 20 and extending obliquely in a direction from top to bottom, and a tail end of the flow guiding groove is in communication with the inclined groove 28.

[0036] In this embodiment, since the side surface of the air outlet frame 20 is provided with the flow guiding groove extending obliquely, when the condensed water flows along the surface of the air outlet frame 20 under the action of gravity, after arriving at a position of the flow guiding groove, the condensed water flows into the flow guiding groove. After being converged under the flow guiding effect of the flow guiding groove, the condensed water is quickly guided to the inclined groove 28 along the extension direction of the flow guiding groove, and then is quickly discharged into the second water-receiving area 2.

[0037] In an embodiment, the drainage system further includes an air duct 25 and an air inlet panel, the indoor heat exchanger 21 is fixed on the bracket 26, the air outlet frame 20 is fixed on the air duct 25, and the lower water pan 24 is fixed to the air inlet panel via the air duct 25. The air duct 25 is mounted on the connecting seat 12 of the lower water pan 24, is fixedly connected to the connecting seat 12 via a connecting member 13, and is supported and positioned by the connecting seat 12.

[0038] In this embodiment, the top surface of the bracket 26 of the indoor heat exchanger 21 is designed with a drainage groove. When the air conditioner is operated, the heat exchange assembly exchanges cold and hot air, and generates condensed water. Under the action of gravity, the condensed water generated on the top surface of the bracket 26 of the indoor heat exchanger 21 converges to the drainage groove 29, and flows from the drainage groove 29 to the indoor heat exchanger 21. Condensed water generated by the indoor heat exchanger 21 itself and the condensed water collected by the drainage groove 29 on the top surface of the bracket 26 flows out of the indoor heat exchanger 21 together, then flows onto the upper water pan 22 fixed to the indoor heat exchanger 21, and the condensed water is discharged to the lower water pan 24 through the drainage port of the upper water pan 22. The air outlet frame 20 is assembled and fixed with the volute tongue via a buckle and a screw, a flow guiding groove is designed on a side surface of the air outlet frame 20. When the condensed water is generated on the side surface of the air outlet frame 20, the condensed water falls into the lower water pan 24 via the inclined groove 28, and is finally discharged via the drainage port 15.

[0039] In an embodiment, projections of the upper water pan 22 and the air outlet frame 20 in the vertical direction fall within a projection area of the lower water pan 24 in the vertical direction.

[0040] By the structural design, the condensed water on the upper water pan 22 and the air outlet frame 20 is able to fall into the water-receiving area of the lower water pan 24 successfully, thereby effectively preventing the condensed water on the upper water pan 22 and the air outlet frame 20 from falling into the lower water pan 24 and affecting the surrounding environment.

[0041] The second water-receiving area 2 and the third water-receiving area 3 are vertically staggered to form a stepped structure, the first water-receiving area 1 is arranged at a side of the second water-receiving area 2 away from the third water-receiving area 3, and encloses a driver mounting area with the second water-receiving area 2 and the third water-receiving area 3.

[0042] The lower water pan 24 uses the stepped structure, formed by the second water-receiving area 2 and the third water-receiving area 3, to match with the first water-receiving area 1to form a driver mounting area 19, which is able to be used for mounting a driver for opening or closing the air outlet panel. The structure of lower water pan 24 is able to be defined more reasonably, ,so that the structural advantages of the lower water pan 24 are fully utilized, the space utilization is more sufficient, the installation of the driver is facilitated, the condensed water falling from the air outlet into electrical components is avoided, the installation position of the driver is more convenient for adjusting the position of the air outlet panel, and the overall structural layout is more optimized.

[0043] The lower water pan 24 is divided into three water-receiving areas, and is able to be used to collect the condensed water generated by different components of the air conditioner respectively, thereby improving the comprehensiveness and efficiency of condensed water collection, effectively avoiding the problem of missing collection of condensed water, and form effective protection for internal devices of the air conditioner.

[0044] In one embodiment, the third water-receiving area includes an annular area, which is able to be better matched with a shape of the air outlet area, so as to reliably collect the condensed water generated on a front surface of the air outlet.

[0045] In an embodiment, a driving arm movable groove is formed in a gap between the second water-receiving area 2 and the third water-receiving area 3, and the driving arm movable groove is configured to allow a driving arm to extend out from the driver mounting area and provide a movable space for the driving arm.

[0046] In this embodiment, the second water-receiving area 2 and the third water-receiving area 3 are staggered vertically, and the driving arm movable groove for a movement of the driving arm is able to be formed between the second water-receiving area 2 and the third water-receiving area 3 by using the staggered structure, so that the driver is able to be conveniently installed, and meanwhile, the movable space is provided for the movement of the driving arm to avoid interference with the movement of the driving arm. The driving arm extends out through the driving arm movable groove to be connected with the air outlet panel, and adjusts a state of the air outlet panel by the movement in the driving arm movable groove, so as to adjust an air outlet condition of the air conditioner.

[0047] In one embodiment, a width of the driving arm movable groove is configured to be adapted to a width of the drive arm. When the driving arm moves in the driving arm movable groove, the driving arm movable groove only has a width suitable for the movement of the driving arm, so that a gap formed by the vertical staggering between the second water-receiving area 2 and the third water-receiving area 3 is small, thereby effectively preventing condensed water outside the driver mounting area from entering the driver mounting area through the driving arm movable groove, and forming effective protection for the driver located in the driver mounting area.

[0048] A driving box 23 located at a bottom of the air outlet frame 20 is assembled with the lower water pan 24. A water-receiving area of the lower water pan 24 designed based on the driving box 23 is an annular water-receiving groove, which is arranged at a lower side of the water-receiving area of the lower water pan 24 to form an upper-lower staggered structure. The annular water-receiving groove penetrates through two sides of the lower water pan 24, the water-receiving groove is mainly used for collecting condensed water generated in the range of the air outlet, the bottom surface is obliquely arranged, and the condensed water flows into the interior of the lower water pan 24 through intersection ports at the two sides, finally, the water flows out from the drainage port 15.

[0049] In one embodiment, the second water-receiving area 2 includes a plurality of mounting steps, and heights of the mounting steps decrease successively from a middle to two sides.

[0050] In this embodiment, the second water-receiving area 2 adopts a stepped structure, which is able to be better adapted to the structure of components mounted in the driver mounting area 19, such as the driving box 23, and is more convenient for mounting and fixing the components in the driver mounting area 19..

[0051] The heights of the mounting steps successively decrease from the middle to the two sides, so that the condensed water more easily flows to the two sides along the steps, and then is discharged into the first water-receiving area 1.

[0052] In one embodiment, the lower water pan 24 includes a driving box 23, the third water-receiving area 3 is formed by a box cover of the driving box 23, the driver mounting area is used for mounting a portion of the driving box 23 other than the box cover, and the driving box 23 is configured to accommodate a driver.

[0053] In this embodiment, the third water-receiving area 3 is independent of the first water-receiving area 1 and the second water-receiving area 2, so that the first water-receiving area 1 and the second water-receiving area 2 serving as the main body part of the upper water pan 22 exist as one part, the third water-receiving area 3 serving as a supplementary part of the upper water pan 22 exists as another part, so that the third water-receiving area 3 may be formed by the box cover serving as a part of the driving box 23, the third water-receiving area 3 does not need to be separately disposed, which avoids interference between the third water-receiving area 3 and the driving box 23, in addition, the structural characteristics of the driving box 23 is able to be fully utilized, so that the function of the box cover of the driving box 23 is able to be fully utilized. On the basis of saving parts, the function of the driving box is more diversified, and the collection of condensed water at the air outlet is realized. In addition, the box cover structure of the driving box 23 is able to also be used to form a more effective blocking effect on the condensed water, thus, the condensed water at the air outlet is prevented from falling into the electric appliance to cause loss.

[0054] In one embodiment, the third water-receiving area 3 is located below the second water-receiving area 2, when projected in a vertical direction, a projection area of a side of the second water-receiving area 2 close to the air outlet completely overlaps with a projection area of the third water-receiving area 3 close to the second water-receiving area 2; and a projection area of a side of the third water-receiving area 3 close to the air outlet is located outside the second water-receiving area 2.

[0055] In this embodiment, the third water-receiving area 3 is disposed below the second water-receiving area 2, and projections of the third water-receiving area 3 and the second water-receiving area 2 at adjacent positions are able to be overlapped, thus, the condensed water generated at the air outlet and the peripheral area is able to be collected more reliably, this effectively prevents the condensed water generated at the air outlet and the peripheral area from falling into the area outside of the second water-receiving area 2 and the third water-receiving area 3. Since the projection area of the side of the second water-receiving area 2 close to the air outlet is completely overlapped with the projection area of the third water-receiving area 3 close to the second water-receiving area 2, therefore, when the condensed water falls, the condensed water either falls into the second water-receiving area 2 or falls into the third water-receiving area 3, the problem of missing collection of condensed water caused by a fit gap between the second water-receiving area 2 and the third water-receiving area 3 on the projection surface is avoided, thus, the collection efficiency of the condensed water is further improved, and the leakage of the condensed water is avoided.

[0056] In a projection plane perpendicular to the vertical axis, an edge line of the second water-receiving area 2 close to the air outlet may be completely the same as an edge line of the third water-receiving area 3 away from the air outlet, and an overlapping is formed, so that an overlapping area between the second water-receiving area 2 and the third water-receiving area 3 is the smallest, and the second water-receiving area and the third water-receiving area 3 are able to have the largest receiving area, the area for collecting the condensed water is larger, so that the condensed water generated at the air outlet is prevented from falling into the area outside of the second water-receiving area 2 and the third water-receiving area 3 more effectively. In addition, since the second water-receiving area 2 is located above the third water-receiving area 3, the overlapping area between the third water-receiving area 3 and the second water-receiving area 2 is relatively small, and it is able to also be avoided that the third water-receiving area 3 occupies an excessive volume in a drop area between the second water-receiving area 2 and the third water-receiving area 3, so that this part of volume is able to be more fully used to install other components, such as the driving box 23.

[0057] In an embodiment, an edge line of the second water-receiving area 2 close to the air outlet may be located outside an edge line of the third water-receiving area 3 away from the air outlet, that is, the edge line of the second water-receiving area 2 is close to the side of the third water-receiving area 3 close to the air outlet, the second water-receiving area 2 and the third water-receiving area 3 have an overlapping area therebetween, instead of overlapping between the edge lines. By increasing the overlapping area of projections of the second water-receiving area 2 and the third water-receiving area 3, the occurrence of the condensed water scattering is able to be avoided more effectively, and the reliability of the condensed water collection is able to be improved.

[0058] In one embodiment, the second water-receiving area 2 includes a first outer flange 4 on a side close to the air outlet, the third water-receiving area 3 includes a first inner flange 5 on a side away from the air outlet, and a projection area of the first outer flange 4 overlaps a projection area of the first inner flange 5.

[0059] In this embodiment, the first outer flange 4 is configured to prevent the condensed water from falling off an outer edge of the second water-receiving area 2 close to the air outlet, and the first inner flange 5 is configured to prevent the condensed water from falling off an inner edge of the third water-receiving area 3 away from the air outlet, thereby forming a blocking function for the condensed water and ensuring that the condensed water falls into the lower water pan 24 more completely.

[0060] In an embodiment, the second water-receiving area 2 and the third water-receiving area 3 are vertically staggered, and the bottom of the second water-receiving area 2 is higher than the top of the third water-receiving area 3.

[0061] In this embodiment, the second water-receiving area 2 and the third water-receiving area 3 are staggered vertically, and a staggered space may be formed therebetween. By using the staggered space, a space for installing other components may be formed, so that the space is more fully utilized.

[0062] In one embodiment, the lower water pan 24 includes a first pan body 6 and a second pan body 7, the first water-receiving area 1 and the second water-receiving area 2 are located on the first pan body 6, the third water-receiving area 3 is located on the second pan body 7, and the second pan body 7 is detachably connected to the first pan body 6.

[0063] In this embodiment, the lower water pan 24 is divided into two pan bodies, and the first water-receiving area 1 and the second water-receiving area 2 are located on the first pan body 6, the third water-receiving area 3 is independently located on the second pan body 7, and a detachable connection is formed between the second pan body 7 and the first pan body 6. This is because the third water-receiving area 3 is of an annular structure, and forms a driver mounting area 19 together with the first water-receiving area 1 and the second water-receiving area 2, if the third water-receiving area 3 forms an integrated structure with the first water-receiving area 1 and the second water-receiving area 2, it is very inconvenient to install and remove components installed in the driver mounting area 19, the operation is more complicated. After the first pan body 6 and the second pan body 7 are provided as a detachable structure, during the mounting of components, the second pan body 7 is able to be firstly detached from the first pan body 6, then the components are mounted, and after the components are mounted, the second pan body 7 is mounted on the first pan body 6, so that the second pan body 7 is prevented from obstructing the mounting of the components, and the mounting convenience of the components in the driver mounting area 19 is improved.

[0064] In an embodiment, a bottom surface of the second water-receiving area 2 is higher than a bottom surface of the first water-receiving area 1, a step is formed between the first water-receiving area 1 and the second water-receiving area 2, a bottom surface of the third water-receiving area 3 is higher than the bottom surface of the first water-receiving area 1, the second pan body 7 is inserted into a vertical surface of the step, and a water conveying channel is formed at an inserted position, and the third water-receiving area 3 conveys the condensed water to the first water-receiving area 1via the water conveying channel.

[0065] In this embodiment, since the first water-receiving area 1 and the second water-receiving area 2 are both formed on the first pan body 6 and have different vertical heights to form a height difference, a step is formed between the first water-receiving area 1 and the second water-receiving area 2 due to the height difference,, and the vertical surface of the step is connected with the bottom surface of the first water-receiving area 1 and the bottom surface of the second water-receiving area 2, that is, the vertical surface of the step is located above the bottom surface of the first water-receiving area. Therefore, the second pan body 7 is inserted into the vertical surface of the step, so that the height of the third water-receiving area 3 is higher than the height of the first water-receiving area 1, it is convenient to discharge the condensed water in the third water-receiving area 3 to the first water-receiving area 1. Since the second pan body 7 is in insertion fit with the first pan body 6, the assembling structure of the second pan body 7 and the first pan body 6 is simpler, the assembling and disassembling are more convenient and rapid, and the rapid assembling and disassembling between the second pan body 7 and the first pan body 6 is able to be realized.

[0066] In one embodiment, the second pan body 7 is U-shaped in a top view direction, both ends of the second pan body 7 are inserted in the vertical surface, and the second water-receiving area 2 is located between two side walls of a U-shaped structure of the second pan body 7.

[0067] In this embodiment, the second pan body 7 is U-shaped, so that two protruding parts are formed at two ends, and the second pan body 7 may be inserted into the vertical surface by the two protruding parts, therefore, the assembling structure between the second pan body 7 and the first pan body 6 is more balanced. In addition, the condensed water in the third water-receiving area 3 is able to be drained into the first water-receiving area 1 from two sides through the two protruding parts at the same time, and the discharge efficiency of the condensed water in the third water-receiving area 3 is improved.

[0068] The second water-receiving area 2 is disposed between two side walls of the U-shaped structure of the second pan body 7, so that the interference of the matching structure of the second pan body 7 and the first pan body 6 on the flow guide structure of the second water-receiving area 2 and the first water-receiving area 1 is able to be avoided, the flow guide structure of the second water-receiving area 2 and the first water-receiving area 1 and the flow guide structure of the third water-receiving area 3 and the first water-receiving area 1 are staggered without mutual influence, and the discharge of the condensed water is smoother.

[0069] In an embodiment, at the insertion position, the first pan body 6 and the second pan body 7 are in clearance fit, so that the assembling difficulty between the second pan body 7 and the first pan body 6 is able to be further reduced, and the assembling efficiency is improved. In order to prevent the condensed water from leaking from the joint position of the first water-receiving area 1 and the third water-receiving area 3, a height difference exists between the third water-receiving area 3 and the first water-receiving area 1 at the insertion position, and the height of the first water-receiving area 1 at the joint position with the third water-receiving area 3 is higher than the height at the drainage port 15.

[0070] In one embodiment, the first water-receiving area 1 includes a first flow guide surface 8 and a second flow guide surface 9, the drainage port 15 is located at the bottom of the first flow guide surface 8, the second flow guide surface 9 is located between the first flow guide surface 8 and the third water-receiving area 3, and the inclined angle of the second flow guide surface 9 is greater than the inclined angle of the first flow guide surface 8.

[0071] In this embodiment, the inclined angle of the second flow guide surface 9 is greater than the inclined angle of the first flow guide surface 8, the height difference between the side of the second flow guide surface 9 close to the third water-receiving area 3 and the side away from the third water-receiving area 3 is able to be increased, thus, the condensed water flowing in from the third water-receiving area 3 is able to be quickly guided from the second flow guide surface 9 to the first flow guide surface 8, in addition, the condensed water is discharged from the drainage port 15 at the bottom of the first flow guide surface 8, so that leakage of the condensed water from a position where the second pan body 7 is inserted into the first pan body 6 is able to be avoided more effectively.

[0072] In one embodiment, the height of the bottom surface of the second water-receiving area 2 decreases gradually from the middle to two sides, and drain channels 11 are formed in the positions, close to the first water-receiving area 1, of the two sides of the second water-receiving area 2.

[0073] In this embodiment, by setting the height change of the bottom surface of the second water-receiving area 2, the condensed water is able to be conveniently and quickly discharged from the second water-receiving area 2, and the drain channels 11 are able to facilitate the discharge of the condensed water in the second water-receiving area 2 to the first water-receiving area 1. In addition, the drain channels 11 are able to guide the flow of the condensed water, so that the condensed water is discharged according to a preset path and position, and the optimization of the discharge position of the condensed water is realized.

[0074] In one embodiment, the second water-receiving area 2 is provided with reinforcing ribs 10 on both the outer side close to the air outlet and the inner side away from the air outlet, a height of the reinforcing ribs 10 is higher than the height of the bottom surface of the second water-receiving area 2, a flow guide channel is formed between the reinforcing ribs 10 close to the air outlet and the reinforcing ribs 10 far away from the air outlet, and the tail end of the flow guide channel forms the drain channels 11.

[0075] In this embodiment, the reinforcing ribs 10 are respectively arranged on the inner side and the outer side of the second water-receiving area 2, so that the flow of the condensed water is able to be guided and blocked, the condensed water is prevented from being splashed out, meanwhile, the condensed water is able to flow according to the preset path, the flow path of the condensed water is planned, the condensed water is able to be discharged from the drain channels 11. In addition, the reinforcing ribs 10 are able to also enhance the structural strength of the second water-receiving area 2, and a solid foundation is provided for mounting and fixing the air duct 25. The reinforcing ribs 10 in this embodiment are able to also be used as the first outer flange 4 of the second water-receiving area 2.

[0076] In one embodiment, the connecting seat 12 is arranged in the middle of the second water-receiving area 2, the connecting seat 12 is fixedly connected with the first water-receiving area 1 through the reinforcing ribs 10, and the connecting member 13 is arranged on the connecting seat 12.

[0077] In this embodiment, the provision of the connecting seat 12 is able to provide an installation foundation for the installation of the air duct 25. The provision of the connecting member 13 on the connecting seat 12 is able to facilitate the installation and fixation of the air duct 25 on the connecting seat 12. The connecting seat 12 is used to position the air duct 25, so as to avoid displacement of the air duct 25 during use and ensure the stability and reliability of the installation structure of the air duct 25.

[0078] In an embodiment, the first water-receiving area 1 is provided with a water collecting structure 14, the water collecting structure 14 is arranged corresponding to the drainage port 15, and the water collecting structure 14 is configured to receive a condensed water generated by the indoor heat exchanger and guide the condensed water towards the drainage port 15.

[0079] In this embodiment, the water collecting structure 14 has two functions: one function is to receive the condensed water generated by the indoor heat exchanger and quickly discharge the condensed water, and the other function is to converge the condensed water in the first water-receiving area 1 and then discharge the condensed water from the drainage port 15. Therefore, the water collecting structure 14 includes two parts: one part is located at the upper side, cooperates with the indoor heat exchanger 21 to receive the condensed water generated by the indoor heat exchanger 21 and guides the condensed water, so that the condensed water generated by the indoor heat exchanger 21 is able to converge towards the drainage port 15; the other part is located at the lower side, and cooperates with the bottom surface of the first water-receiving area 1, so that the condensed water in the first water-receiving area 1 is able to converge towards the drainage port 15 along the guide of the part.

[0080] In one embodiment, the water collecting structure 14 comprises a collecting groove 16 with an upward opening and a flow groove 17 located at a lower side, the flow groove 17 cooperates with a bottom surface of the first water-receiving area 1 to form a flow channel, a water collecting port is formed at a bottom of the collecting groove 16, and the flow channel and the water collecting port are communicated to the drainage port 15 together.

[0081] In this embodiment, the flow guiding surface of the collecting groove 16 is an inclined surface, and the drainage port 15 is located at the bottom of the collecting groove 16. The collecting groove 16 is opposite to the drainage channel of the upper water pan 22 of the indoor heat exchanger 21, so that the condensed water in the upper water pan 22 is able to fall into the collecting groove 16 and enter the drainage port 15 from the bottom of the collecting groove 16 to be discharged. The height of the bottom surface of the collecting groove 16 increases gradually in a direction away from the drainage port 15, thereby facilitating the convergence of the condensed water. The flow groove 17 is a quarter-arc groove and is located at the bottom of the water collecting structure 14 for converging the condensed water in the first water-receiving area 1. The flow groove 17 is of a tapered structure, and area of a cross section of the flow groove 17 increases in a direction away from the drainage port 15, thereby facilitating the convergence of the condensed water.

[0082] In one embodiment, the bottom of the collecting groove 16 is further provided with a tapered groove, and a central axis of the tapered groove is opposite to a central axis of the drainage port 15, so as to facilitate the convergence of the condensed water.

[0083] In one embodiment, the first water-receiving area 1 is provided with a plurality of positioning members 18, the positioning members 18 enclose a positioning area, the water collecting structure 14 is located in the positioning area and forms an interference fit with the positioning members 18.

[0084] In this embodiment, the water collecting structure 14 is detachably arranged in the first water-receiving area 1, so that the water collecting structure 14 and the first water-receiving area 1 are of a split structure and are able to be combined after being separately processed, thereby reducing the processing difficulty and processing cost of each and facilitating the processing of required structures.

[0085] An interference fit is formed between the water collecting structure 14 and the positioning members 18, so that the water collecting structure 14 is able to be installed and fixed by using the positioning members 18, and the water collecting structure 14 and the positioning members 18 are fixed in an inserting manner. The overall structure is simpler, easy to operate, and more convenient for installation and replacement of the water collecting structure 14.

[0086] In one embodiment, the water collecting structure 14 is made of a foam structure, which can not only reduce a flow noise of condensed water, but also reduce a weight of the lower water pan 24 and realize the lightweight of the lower water pan 24.

[0087] In one embodiment, the lower water pan 24 is made of a plastic material with high temperature resistance, good stability and high strength.

[0088] In one embodiment, the second water-receiving area is divided into three water collecting grooves, the three water collecting grooves form a U-shaped structure, and the bottom surface is inclined towards the first water-receiving area 1, so as to facilitate the condensed water generated by cold and hot air blown by the air duct 25 and the condensed water generated on the side wall surface of the air outlet to flow towards the first water-receiving area 1.

[0089] In one embodiment, a side of the first pan body 6 is provided with a U-shaped pipe routing groove for avoiding a connecting pipe on the indoor heat exchanger 21. Two opposite side walls of the U-shaped pipe routing groove are respectively provided with wire blocking plates, and the wire blocking plates extend towards the sides where they are located to form an S-shaped wire blocking structure, so that the connecting pipe located in the U-shaped pipe routing groove is able to be effectively prevented from coming out of the U-shaped pipe routing groove, and the stability and reliability of the installation structure of the connecting pipe are improved.

[0090] In one embodiment, the front surface of the lower water pan 24 is provided with four positioning pin holes and screw through holes for assembling and fixing with parts.

[0091] In this embodiment, the first water-receiving area 1 is mainly used for receiving the condensed water generated by the indoor heat exchanger 21, the second water-receiving area 2 is mainly used for collecting the condensed water generated by cold and hot air blown by the air duct 25 and the condensed water generated on the side wall surface of the air outlet, and the third water-receiving area 3 is mainly used for collecting the condensed water generated in the air outlet range.

[0092] In the cooling mode of the air conditioner, condensed water is generated on the indoor heat exchanger and the air duct wall surface due to cold radiation. The condensed water flows down from the drainage groove 29 on the top surface of the bracket 26 of the indoor heat exchanger 21, and together with the condensed water generated by the indoor heat exchanger 21 itself, flows from the drainage port of the upper water pan 22 below the indoor heat exchanger 21 to the lower water pan 24. The condensed water on the side surface of the air outlet frame 20 directly flows into the lower water pan 24 through the flow guiding groove. The condensed water generated in the air outlet area is collected by the annular water collecting groove at the outer periphery of the driving box, then flows through the intersection opening, then flows to the first water-receiving area 1 of the lower water pan 24, flows to the drainage port 15 along the inclined surface of the collecting groove 16, and is finally discharged by a drainage pipe. The drainage system according to the embodiments of the present application has the characteristics of simple structure, wide water collecting range and convenient assembly and disassembly.

[0093] It needs to be noted that the terms used herein just describe the specific mode of execution, but not expect to limit the exemplary modes of execution in the present invention. It is to be understood that the singular forms "a", "an", and "the" include plural referents unless the context clearly dictates otherwise. Moreover, it should be understood that the terms "contain" and / or "include" used in the specification indicate characteristics, steps, operations, devices, assemblies and / or their combination.

[0094] It needs to be noted that in the specification, claims, and accompanying drawings of the present invention, the terms such as "first" and "second" are intended to distinguish between similar objects but do not necessarily indicate a specific order or sequence. It should be understood that the data used in this way is interchangeable in appropriate circumstances so that the embodiments of the present invention described herein can be implemented in other orders than the order illustrated or described herein.

[0095] The foregoing descriptions are merely exemplary embodiments of the present invention, but are not intended to limit the present invention, and for the skill in the art, the present invention can be of various modifications and changes. Any modification, equivalent replacement, or improvement made without departing from the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims

1. A drainage system, comprising a heat exchange assembly, an air outlet frame component and a water pan component, wherein the heat exchange assembly comprises a bracket (26) and an indoor heat exchanger (21), a top surface of the bracket (26) is provided with a drainage groove (29) which is guided to the indoor heat exchanger (21), the air outlet frame component comprises an air outlet frame (20), the air outlet frame (20) is provided with a flow guiding structure (27) for guiding a condensed water on the air outlet frame (20), the water pan component comprises an upper water pan (22) and a lower water pan (24), wherein the upper water pan (22) is arranged below the indoor heat exchanger (21), and receives a condensed water flowing down from the indoor heat exchanger (21), the lower water pan (24) is arranged below the air outlet frame (20), the lower water pan (24) comprises a second water-receiving area (2) and a third water-receiving area (3), the second water-receiving area (2) is configured to receive a condensed water generated in an inner area of an air outlet, the third water-receiving area (3) is configured to receive a condensed water generated in an air outlet area.

2. The drainage system according to claim 1, wherein the lower water pan (24) further comprises a first water-receiving area (1), the first water-receiving area (1) comprises a drainage port (15), condensed water from the upper water pan (22), the second water-receiving area (2), and the third water-receiving area (3) is completely discharged into the first water-receiving area (1) and drained from the drainage port.

3. The drainage system according to claim 1, wherein the air outlet frame (20) is provided with an inclined groove (28), the flow guiding structure (27) is disposed on a side surface of the air outlet frame (20), and a tail end of the flow guiding structure (27) is disposed corresponding to a starting end of the inclined groove (28), a tail end of the inclined groove (28) faces the second water-receiving area (2), and the condensed water generated by the air outlet frame (20) is able to fall into the second water-receiving area (2) via the flow guiding structure (27) and the inclined groove (28).

4. The drainage system according to claim 3, wherein the flow guiding structure (27) comprises a flow guiding plate disposed at a bottom of the air outlet frame (20), the flow guiding plate is arranged on a peripheral side of the air outlet frame (20), and the flow guiding plate is arranged to be inclined towards the inclined groove (28); or, the flow guiding structure (27) comprises a flow guiding groove disposed on a side surface of the air outlet frame (20) and extending obliquely in a direction from top to bottom, and a tail end of the flow guiding groove is communicated with the inclined groove (28).

5. The drainage system according to claim 1, wherein the drainage system further comprises an air duct (25) and an air inlet panel, the indoor heat exchanger (21) is fixed on the bracket (26), the air outlet frame (20) is fixed on the air duct (25), and the lower water pan (24) is fixed to the air inlet panel via the air duct (25).

6. The drainage system according to claim 1, wherein projections of the upper water pan (22) and the air outlet frame (20) in a vertical direction fall within a projection area of the lower water pan (24) in the vertical direction.

7. The drainage system according to claim 2, wherein the second water-receiving area (2) and the third water-receiving area (3) are vertically staggered to form a stepped structure, the first water-receiving area (1) is disposed at a side of the second water-receiving area (2) away from the third water-receiving area (3), and encloses a driver mounting area (19) together with the second water-receiving area (2) and the third water-receiving area (3).

8. The drainage system according to claim 7, wherein a driving arm movable groove is formed in a gap between the second water-receiving area (2) and the third water-receiving area (3), and the driving arm movable groove is configured to allow a driving arm to extend out from the driver mounting area and provide a movable space for the driving arm.

9. The drainage system according to claim 7, wherein the lower water pan 24 comprises a driving box (23), the third water-receiving area (3) is formed by a box cover of the driving box (23), the driver mounting area (19) is used for mounting a portion of the driving box (23) other than the box cover, and the driving box (23) is configured to accommodate a driver.

10. The drainage system according to claim 1, wherein the third water-receiving area (3) is located below the second water-receiving area (2), when projected in a vertical direction, a projection area of a side of the second water-receiving area (2) close to the air outlet completely overlaps with a projection area of the third water-receiving area (3) close to the second water-receiving area (2), a projection area of a side of the third water-receiving area (3) close to the air outlet is located outside the second water-receiving area (2).

11. The drainage system according to claim 2, wherein the lower water pan 24 comprises a first pan body (6) and a second pan body (7), the first water-receiving area (1) and the second water-receiving area (2) are located on the first pan body (6), the third water-receiving area (3) is located on the second pan body (7), and the second pan body (7) is detachably connected to the first pan body (6).

12. The drainage system according to claim 11, wherein a bottom surface of the second water-receiving area (2) is higher than a bottom surface of the first water-receiving area (1), a step is formed between the first water-receiving area (1) and the second water-receiving area (2), and a bottom surface of the third water-receiving area (3) is higher than the bottom surface of the first water-receiving area (1), the second pan body (7) is inserted into a vertical surface of the step, and a water conveying channel is formed at an insertion position, and the third water-receiving area (3) conveys the condensed water to the first water-receiving area (1) via the water conveying channel.

13. The drainage system according to claim 12, wherein the second pan body (7) is U-shaped in a top view direction, both ends of the second pan body (7) are inserted in the vertical surface, and the second water-receiving area (2) is located between two side walls of a U-shaped structure of the second pan body (7).

14. The drainage system according to claim 2, wherein the first water-receiving area (1) is provided with a water collecting structure (14), the water collecting structure (14) is arranged corresponding to the drainage port (15), and the water collecting structure (14) is configured to receive a condensed water generated by the indoor heat exchanger and guide the condensed water towards the drainage port (15).

15. The drainage system according to claim 14, wherein the water collecting structure (14) comprises a collecting groove (16) with an upward opening and a flow groove (17) located at a lower side, the flow groove (17) cooperates with a bottom surface of the first water-receiving area (1) to form a flow channel, a water collecting port is formed at a bottom of the collecting groove (16), and the flow channel and the water collecting port are communicated to the drainage port (15) together.

16. The drainage system according to claim 14, wherein the first water-receiving area (1) is provided with a plurality of positioning members (18), the positioning members (18) enclose a positioning area, the water collecting structure (14) is located in the positioning area, and forms an interference fit with the positioning members (18).

17. An air conditioner, comprising the drainage system according to any one of claims 1 to 16.

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