CN212378219U - Drainage device and air conditioner - Google Patents

Abstract

The utility model provides a drainage device and air conditioner, drainage device includes water collector and drain pump assembly, be formed with the holding tank on the water collector, drain pump assembly with the water collector is connected, drain pump assembly is located partially at least in the holding tank. The utility model has the advantages that: can avoid the water pump to interfere the dismantlement removal of water collector to make things convenient for the dismouting of water collector.

Description

Drainage device and air conditioner

Technical Field

The utility model relates to an air conditioner technical field particularly, relates to a drainage device and air conditioner.

Background

For example, an air conditioner of a ducted air conditioner needs to have a structure of a device for receiving and discharging condensed water generated by heat exchange of a heat exchanger, such as a water receiving and discharging device, and generally, a water receiving tray is provided below the heat exchanger to receive the condensed water and a water pump is provided in the air conditioner to discharge the condensed water. At present, after using the air conditioner for a long time, or in the air conditioner maintenance process, need to dismantle the clearance to the water collector, and under the normal conditions, the position of water pump is comparatively fixed in the air conditioner, under this condition, when dismantling the water collector, the water pump can cause the interference to the removal of water collector to this can't directly remove the dismantlement with the water collector.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem how to avoid the water pump to dock the dismantlement removal of water collector and interfere to make things convenient for the dismouting of water collector.

In order to solve the problem, the utility model provides a drainage device, including water collector and drain pump assembly, be formed with the holding tank on the water collector, drain pump assembly with the water collector is connected, drain pump assembly is located partially at least in the holding tank.

In the technical scheme, the drainage device is integrally and movably arranged in an air conditioner such as an air duct machine, in a certain position state of the drainage device, the drainage device is integrally positioned below a heat exchanger of the air duct machine, so that a water receiving disc can receive condensed water generated by the heat exchanger, and the influence of the condensed water on the operation of the air conditioner is avoided, wherein a drainage pump assembly is arranged to be matched with the water receiving disc, after a certain amount of condensed water is received by the water receiving disc, the condensed water can be quickly drained through a drainage pump assembly, so that the condensed water is quickly drained, the drainage pump assembly is arranged on the water receiving disc, so that the drainage pump assembly can move along with the water receiving disc, when the water receiving disc needs to be detached and cleaned, the interference of the drainage pump assembly to the water receiving disc due to the position relation between the drainage pump assembly and the water receiving disc is avoided, and when the water receiving disc is installed, the position, after the water pan is installed, the position of the drainage pump assembly is moved or the subsequent installation step is carried out, so that the water pan is conveniently assembled and disassembled in the air conditioner, a containing groove is formed on the water pan, the groove structure can have a certain containing space, so that certain water receiving and storing capacity can be realized, condensed water is prevented from being spilled out after the water receiving and storing, and the drainage pump assembly is at least partially positioned in the containing groove, so that on one hand, the part of the drainage pump assembly positioned in the containing groove can be close to the condensed water, and better water pumping and drainage effects can be realized, meanwhile, when the whole drainage device is disassembled and installed and the like, the drainage pump assembly of the drainage device moves simultaneously, at the moment, for example, in the air conditioner of the air duct machine, the drainage pump assembly can cause interference collision to the internal structure of the air duct machine, and the problem of inconvenient disassembly and installation, therefore, the drainage pump assembly is at least partially positioned in the accommodating groove, and the accommodating groove has a certain accommodating space, so that the height of the whole structure of the drainage device can be lower after the drainage pump assembly is accommodated, and the interference which is not beneficial to disassembly and assembly can be avoided as much as possible.

Further, the drainage pump assembly comprises a mounting bracket and a drainage pump arranged on the mounting bracket, and the mounting bracket is fixedly connected with the water pan.

Among this technical scheme, set up the fixed mounting and the dismantlement that the installing support also can make things convenient for the drain pump to it is more firm to make the drain pump fix.

Further, the installing support includes roof and relative first backup pad and the second backup pad that sets up, first backup pad with the second backup pad with the water collector is connected, the roof is located between first backup pad with the second backup pad and respectively with first backup pad with the second backup pad is connected, the roof, first backup pad, the second backup pad with the water collector encloses into and holds the chamber, the drain pump is located hold the intracavity.

In the technical scheme, the upper surfaces of the first supporting plate, the second supporting plate and the water receiving disc are surrounded to form a containing cavity for placing and installing the drainage pump, so that the drainage pump and the installing support are convenient to disassemble and install, and the whole drainage pump assembly and the water receiving disc are convenient to assemble and disassemble.

Further, the drain pump is fixedly connected with the top plate, and the drain pump is respectively abutted against the first support plate and the second support plate.

Among this technical scheme, set up the screw on the roof to this makes drain pump and roof pass through the connected mode of screw and is connected, with this, makes things convenient for the dismantlement and the installation of drain pump and installing support, thereby makes things convenient for the whole installation and the dismantlement with the water collector of drain pump subassembly, and the both sides face of drain pump can with first backup pad and second backup pad looks butt, makes the drain pump when the operation, and is more stable.

Further, the drain pump assembly further comprises a float switch located within the receiving groove.

Among this technical scheme, the drain pump subassembly has the float switch that can detect the water level, and wherein float switch is located the holding tank to can detect the water level in the holding tank, so that carry out quick drainage according to the water level condition, avoid leaking.

Further, the tank bottom surface of the holding tank is arranged in an inclined manner in such a manner that the tank bottom surface gradually gets away from the calibration reference surface from one end to the other end, and the drain pump assembly is located at the end of the tank bottom surface close to the calibration reference surface.

Among this technical scheme, the lower department in position that the drainage pump package spare can be located the holding tank to after the comdenstion water assembles, more accurate quick carries out the drainage to the comdenstion water.

Furthermore, the water pan comprises a water outlet nozzle, the water outlet nozzle is communicated with the holding tank, a water inlet of the water outlet nozzle is located at one end, close to the calibration reference surface, of the bottom surface of the tank, and a water outlet of the drainage pump assembly is suitable for being communicated with the water inlet of the water outlet nozzle.

Among this technical scheme, through the setting of faucet to and with the intercommunication of drainage pump package spare, can carry out the drainage to the comdenstion water in the holding tank fast.

The utility model also provides an air conditioner, including the aforesaid drainage device.

Compared with the prior art, the air conditioner in the technical scheme has the advantages that the air conditioner and the drainage device are similar, and the detailed description is omitted.

Further, the air conditioner includes the air conditioner body with set up in this internal median septum of air conditioner, drainage device activity set up in this is internal to the air conditioner, be provided with the breach of stepping down on the median septum, drainage device's drainage pump package spare with the shape phase-match of the breach of stepping down.

Among this technical scheme, through set up the breach of stepping down on the median septum, in order to avoid when dismantling drainage device, the median septum causes the interference to drainage pump assembly of drainage device, in order to this when dismantling the installation, need not earlier dismantle the median septum, in order to this to improve work efficiency, and simultaneously, because of can avoiding the median septum to dismantle, in actual air conditioner maintenance process, the median septum can keep the supporting role to the air conditioner body, in order to this improve the internal structure intensity of air conditioner, avoid warping.

Further, still include sealed baffle, sealed baffle is suitable for the shade breach of stepping down.

In this technical scheme, set up sealing baffle and carry out the shade to the breach of stepping down to this avoids leaking from the breach of stepping down, improves the leakproofness, thereby makes the heat transfer effect of heat exchanger better, when needs are dismantled or are installed drainage device, can dismantle or remove sealing baffle, in order to provide the stepping down to the drain pump subassembly, after the installation is accomplished, the installation or remove sealing baffle and carry out the shade to the breach of stepping down and seal.

Further, the air conditioner comprises a volute assembly, the volute assembly comprises the sealing baffle and a volute arranged on the sealing baffle, and the sealing baffle is suitable for being attached to the middle partition plate.

Among this technical scheme, set up sealing baffle on the spiral case subassembly and be used for sealing to the breach of stepping down shade, when dismantling drainage device, according to the holistic dismantlement order of air conditioner, follow air return opening department earlier and wholly dismantle the spiral case subassembly after, just can open the breach of stepping down to this makes things convenient for follow-up drainage device's dismantlement, after having installed drainage device, only carries out subsequent installation with the spiral case subassembly and can be sealed to the breach of stepping down, with this dismantlement installation effectiveness that improves the air conditioner.

Drawings

Fig. 1 is a front view of a drainage device according to an embodiment of the present invention;

fig. 2 is an exploded view of a drainage device according to an embodiment of the present invention;

fig. 3 is a schematic view of the overall structure of a drainage device according to an embodiment of the present invention;

fig. 4 is a first cross-sectional view of an air conditioner according to an embodiment of the present invention;

fig. 5 is a second cross-sectional view of the air conditioner according to the embodiment of the present invention;

fig. 6 is a schematic view of an internal structure of an air conditioner according to an embodiment of the present invention.

In the figure: 1-a water pan; 101-accommodating grooves; 103-water outlet nozzle; 2-a drain pump assembly; 201-mounting a bracket; 2011-top plate; 2012-a first support plate; 2013-a second support plate; 202-a draining pump; 203-a float switch; 3-a containing cavity; 4-air conditioner body; 5-a middle partition plate; 501-abdication gap; 6-a heat exchanger; 7-a volute assembly; 701-sealing baffle plates; 702-a volute.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

Also, it is noted that the terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.

Referring to fig. 1, the utility model provides a drainage device, including water collector 1 and drainage pump package 2, be formed with holding tank 101 on the water collector 1, drainage pump package 2 with water collector 1 is connected, drainage pump package 2 is located at least partially in holding tank 101.

In the related art, the position of the water pump in the air conditioner is fixed, and under the condition, when the water pan is detached, the water pump can interfere with the movement of the water pan, so that the water pan cannot be directly moved and detached.

In the embodiment, a drainage device is provided, which includes a water pan 1, and in practical use, the drainage device as a whole can be movably disposed inside an air conditioner, such as an air duct machine, specifically, as shown in fig. 5, in a certain position state of the drainage device, the drainage device is wholly located below a heat exchanger 6 of the air duct machine, so that the water pan 1 can receive condensed water generated by the heat exchanger 6, thereby avoiding the influence of the condensed water on the operation of the air conditioner, wherein a drainage pump assembly 2 is provided, specifically, a drainage pump assembly 2 can be fixedly connected with the water pan in a bolt fastening manner, on one hand, the drainage pump assembly 2 can be matched with the water pan 1, after a certain amount of condensed water is received by the water pan 1, the condensed water can be quickly drained through the drainage pump assembly 2, so as to quickly drain the condensed water, wherein the drainage pump assembly 2 is fixedly connected with the water pan 1, therefore, the drainage pump assembly 2 can move along with the water receiving tray 1, when the water receiving tray 1 needs to be disassembled and cleaned, the interference of the drainage pump assembly 2 to the water receiving tray 1 caused by the position relation of the drainage pump assembly 2 and the water receiving tray 1 is avoided, when the water receiving tray 1 is installed, the position of the drainage pump assembly 2 does not need to be adjusted deliberately, after the water receiving tray 1 is installed, the position movement or subsequent installation steps of the drainage pump assembly 2 are carried out, so that the water receiving tray 1 is convenient to assemble and disassemble in the air conditioner, wherein, the water receiving tray 1 is provided with the holding tank 101, the trough structure can be provided with a certain holding space, so that certain water receiving and storing capacity can be realized, the condensate water is prevented from spilling out after the water storage, and the drainage pump assembly 2 is at least partially positioned in the holding tank 101, so that on one hand, the part of the drainage pump assembly 2 positioned in the, and realize better drainage effect of drawing water, simultaneously, when dismantling activities such as installation to whole drainage device, because of drainage pump assembly 2 activity simultaneously of drainage device, this moment, for example inside the air conditioner of tuber pipe machine, drainage pump assembly 2 may cause the interference collision to the inner structure of tuber pipe machine, arouse the inconvenient scheduling problem of dismantlement installation equally, therefore, drainage pump assembly 2 is located holding tank 101 at least partially, this moment because of holding tank 101 has certain accommodation space, after holding drainage pump assembly 2, can make drainage device's overall structure highly lower, can avoid the interference that is unfavorable for dismantling the installation to the greatest extent at this moment, in an optional embodiment, based on the structure of drainage pump assembly 2, drainage pump assembly 2 can all be located holding tank 101 in whole, in order to better utilize in dismantlement and installation.

In an optional embodiment of the present invention, the drainage pump assembly 2 includes a mounting bracket 201 and a drainage pump 202 disposed on the mounting bracket 201, wherein the mounting bracket 201 is fixedly connected to the water pan 1.

Referring to fig. 2 and 3, in the present embodiment, the drain pump assembly 2 includes the drain pump 202, so as to perform rapid drainage through the drain pump 202, wherein the drain pump 202 is fixedly mounted on the water-receiving tray 1 through the mounting bracket 201, so that the drain pump 202 and the entire drain pump assembly 2 can integrally move with the water-receiving tray 1, thereby facilitating the assembly and disassembly of the water-receiving tray 1 in the actual use process, wherein the mounting bracket 201 is also configured to facilitate the fixed mounting and disassembly of the drain pump 202, and make the drain pump 202 more stable in fixation.

In the optional embodiment of the present invention, the mounting bracket 201 includes a top plate 2011 and a first support plate 2012 and a second support plate 2013 which are arranged oppositely, the first support plate 2012 and the second support plate 2013 are connected to the water receiving tray 1, the top plate 2011 is located between the first support plate 2012 and the second support plate 2013 and respectively connected to the first support plate 2012 and the second support plate 2013, the top plate 2011, the first support plate 2012, the second support plate 2013 and the water receiving tray 1 are enclosed to form a containing cavity 3, and the drain pump 202 is located in the containing cavity 3.

Referring to fig. 2, in this embodiment, the mounting bracket 201 may be fixedly disposed on the water pan 1 by a connection manner such as clamping, screwing, or the like, specifically, two opposite first support plate 2012 and second support plate 2013 of the mounting bracket 201 are fixedly connected with the water pan 1, specifically, may be fixedly connected by a form such as a screw, a buckle, or a weld, a top plate 2011 is disposed between the first support plate 2012 and the second support plate 2013, two ends of the top plate 2011 are respectively connected with the first support plate 2012 and the second support plate 2013, specifically, the top plate 2011, the first support plate 2012 and the second support plate 2013 may be integrally formed, at this time, based on the shape of the mounting bracket 201, the upper surfaces of the first support plate 2012, the second support plate 2013 and the water pan 1 enclose an accommodating cavity 3 for accommodating the drain pump 202, wherein the drain pump 202 may be disposed with a structure having a mating connection member, such as a mounting plate having a, to be fitted with the first support plate 2012 or the second support plate 2013 or the top plate 2011.

In an optional embodiment of the present invention, the drainage pump 202 is fixedly connected to the top plate 2011, and the drainage pump 202 abuts against the first support plate 2012 and the second support plate 2013, respectively.

In this embodiment, the screw hole is formed in the top plate 2011, so that the drain pump 202 and the top plate 2011 are connected through the screw, and therefore the drain pump 202 and the mounting bracket 201 can be conveniently detached and mounted, the drain pump assembly 2 can be conveniently mounted and dismounted integrally with the water pan 1, two side faces of the drain pump 202 can be abutted against the first support plate 2012 and the second support plate 2013, and therefore the drain pump 202 is more stable when operating.

In an alternative embodiment of the present invention, the drain pump assembly 2 further comprises a float switch 203, and the float switch 203 is located in the accommodating groove 101.

Referring to fig. 2 and 3, in this embodiment, the drainage pump assembly 2 has a float switch 203 capable of detecting a water level, the float switch 203 can utilize a magnetic float on the switch to rise or fall along with the water level, so that a reed pipe chip at a position inside the switch detection pipe acts to send a switch signal of turning on or off, wherein the float switch 203 is located inside the accommodating tank 101 to detect the water level inside the accommodating tank 101, so as to perform quick drainage according to a water level condition, thereby avoiding water leakage, in practical use, the float switch 203 can be selectively electrically connected with the drainage pump 202 or with a control system of an air conditioner, so as to perform quick drainage control according to the water level condition after detecting the water level. In this embodiment, the float switch 203 is disposed on the mounting bracket 201 by a bolt, so that the float switch 203 can be conveniently detached.

In an optional embodiment of the present invention, the groove bottom surface of the holding groove 101 is inclined in a manner that the calibration reference surface is gradually kept away from one end of the groove bottom surface to the other end, and the drainage pump assembly 2 is located at the end of the groove bottom surface close to the calibration reference surface.

Referring to fig. 2, in this embodiment, the holding tank 101 is used for receiving condensed water, and the bottom surface of the holding tank is disposed obliquely, in this embodiment, the calibration reference surface is a horizontal surface, when the drain pan 1 receives the condensed water, the condensed water will converge based on gravity, when the drain pan 1 is placed horizontally, the holding tank 101 of the drain pan 1 has a region with a lower height relative to other regions of the holding tank 101, wherein the one end of the bottom surface of the holding tank, which is close to the calibration reference surface, is a region with a lower height, and relatively, the other regions of the bottom surface of the holding tank, particularly, the other end far from the calibration reference surface, which is a region with a higher height, when the air conditioner is actually used, after the drain pan 1 receives the condensed water, the condensed water will flow along with the action of gravity, so as to converge toward the lower region, which is toward the end of the bottom surface close to the calibration reference surface, in this embodiment, the drain pump assembly 2, therefore, after the condensed water is gathered, the condensed water is more accurately and quickly drained.

In one embodiment, the water inlet of the drain pump assembly 2, specifically the drain pump 202, has a water inlet directly at the end of the tank bottom surface close to the calibration datum, so that after the water flow is converged in the holding tank 101, water can be pumped through the water inlet, so that the condensed water can be drained more quickly.

In an optional embodiment of the present invention, the water receiving tray 1 includes a water outlet nozzle 103, the water outlet nozzle 103 communicates with the holding tank 101, and the water inlet of the water outlet nozzle 103 is located on the bottom surface of the tank near the one end of the calibration datum plane, and the water outlet of the drainage pump assembly 2 is adapted to communicate with the water inlet of the water outlet nozzle 103.

Referring to fig. 2, in this embodiment, the water collector 1 includes a water outlet nozzle 103 for draining the collected condensed water, when the water collector 1 is applied to an air conditioner, in the actual production of the air conditioner, the water outlet nozzle 103 may be connected to a pipeline to facilitate draining, wherein the water outlet nozzle 103 is communicated with the holding tank 101 to enable draining of the holding tank 101, specifically, a water inlet of the water outlet nozzle 103 is an opening formed on the holding tank 101, and a water inlet of the water outlet nozzle 103 is located at the end of the bottom surface of the tank close to the calibration reference surface to enable rapid draining of the holding tank 101, wherein a water outlet of the drainage pump assembly 2 can be communicated with a water inlet of the water outlet nozzle 103 to enable rapid draining through the drainage pump assembly 2, specifically, a water outlet of the drainage pump assembly 2 can be directly connected to a water inlet of the water outlet nozzle 103, to form the communication.

The utility model also provides an air conditioner, including the aforesaid drainage device.

Air conditioner and drainage device be similar for prior art's beneficial effect, no longer give unnecessary details here.

In an optional embodiment of the present invention, the air conditioner includes an air conditioner body 4 and a middle partition plate 5 disposed in the air conditioner body 4, the drainage device is movably disposed in the air conditioner body 4, a yielding notch 501 is disposed on the middle partition plate 5, and the drainage device has a drainage pump assembly 2 matching with the shape of the yielding notch 501.

In this embodiment, referring to fig. 4 and 5, the air conditioner may be a ducted air conditioner, the air conditioner includes an air conditioner body 4 for performing actual heating and cooling operation, wherein a middle partition 5 is provided in the air conditioner body 4, generally, the middle partition 5 is provided in the middle of the air conditioner body 4 to support the air conditioner body 4 and separate a heat exchanger 6 and a volute component in the air conditioner body 4, and generally, a water pan 1 in a drainage device is located below the heat exchanger 6 to receive condensed water, wherein the drainage device is movably provided in the air conditioner body 4 to enable the drainage device to be disassembled and assembled, specifically, when the drainage device is disassembled, the drainage device can be moved to the right direction in fig. 5 for disassembly, when the drainage device is assembled, the drainage device can be moved to the left direction in fig. 5, when the drainage device is installed, the water pan 1 of the drainage device is located below the heat exchanger 6, and when the internal structure of the air conditioner is disassembled, the water pan is usually disassembled from the air return opening of the air conditioner, specifically, referring to fig. 5, the air outlet of the air conditioner is located at the left side of the middle partition plate 5, and the air return opening of the air conditioner is located at the right side of the middle partition plate 5 and faces downwards, wherein, in the installation state of the water pan 1, the water pan 1 is located below the heat exchanger 6 at the left side of the middle partition plate 5, so that, as shown in fig. 4, the middle partition plate 5 is provided with a relief notch 501, the shape of the relief notch 501 is matched with the shape of the drainage pump assembly 2, specifically, the cross sections of the relief notch 501 and the drainage pump assembly 2 are both approximately rectangular, and the size of the relief notch 501 is slightly larger than that of the drainage pump assembly 2, so as to avoid the, with this when dismantling the installation, need not earlier dismantle centering baffle 5 to this has improved work efficiency, simultaneously, because of can avoiding centering baffle 5 to dismantle, in actual air conditioner maintenance process, centering baffle 5 can keep the supporting role to air conditioner body 4, with this internal structure intensity that improves the air conditioner, avoids warping.

In an optional embodiment of the present invention, the present invention further comprises a sealing baffle, wherein the sealing baffle is adapted to cover the abdicating notch 501.

In this embodiment, set up sealing baffle and carry out the shade to the breach 501 of stepping down to this avoids leaking from the breach 501 of stepping down, improves the leakproofness, thereby makes heat exchanger 6's heat transfer effect better, when needs are dismantled or are installed drainage device, can dismantle or remove sealing baffle, in order to provide the breach of stepping down to drain pump assembly 202, after the installation is accomplished, the installation or remove sealing baffle and carry out the shade to the breach 501 of stepping down and seal.

In an optional embodiment of the present invention, the air conditioner includes a volute component 7, the volute component 7 includes the sealing baffle 701 and a volute 702 disposed on the sealing baffle 701, the sealing baffle 701 is adapted to be attached to the middle partition plate 5.

Referring to fig. 6, in the present embodiment, a sealing baffle 701 is provided on the scroll casing assembly 7 of the air conditioner, wherein, the volute 702 of the volute component 7 is arranged on the sealing baffle plate 701 and forms the volute component 7 integrally with the sealing baffle plate 701, so as to be convenient for installation and disassembly, wherein the sealing baffle 701 is suitable for being attached to the middle clapboard 5, an opening is arranged on the middle clapboard 5 to facilitate the wind guiding of the volute 702, the sealing baffle plate 701 is attached to the middle clapboard 5 to form the integral installation of the volute component 7, and the shade sealing to the abdicating notch 501 is formed, when the drainage device is disassembled, according to the whole disassembly sequence of the air conditioner, the volute component 7 is integrally disassembled from the air return opening, the abdicating notch 501 can be opened, so as to facilitate the disassembly of the subsequent drainage device, after the drainage device is installed, the receding notch 501 can be sealed only by subsequently installing the volute component 7, so that the dismounting and installing efficiency of the air conditioner is improved.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.

Claims (11)

1. A drain device is characterized by comprising a water pan (1) and a drain pump assembly (2), wherein a containing groove (101) is formed in the water pan (1), the drain pump assembly (2) is connected with the water pan (1), and the drain pump assembly (2) is at least partially positioned in the containing groove (101).

2. A drain device according to claim 1, wherein the drain pump assembly (2) comprises a mounting bracket (201) and a drain pump (202) arranged on the mounting bracket (201), the mounting bracket (201) being connected to the water tray (1).

3. A drainage device according to claim 2, wherein the mounting bracket (201) comprises a top plate (2011) and a first support plate (2012) and a second support plate (2013) which are oppositely arranged, the first support plate (2012) and the second support plate (2013) are connected with the water pan (1), the top plate (2011) is located between the first support plate (2012) and the second support plate (2013) and is respectively connected with the first support plate (2012) and the second support plate (2013), the top plate (2011), the first support plate (2012), the second support plate (2013) and the water pan (1) are surrounded by a containing cavity (3), and the drainage pump (202) is located in the containing cavity (3).

4. A drainage arrangement according to claim 3, characterized in that the drain pump (202) is connected to the top plate (2011) and the drain pump (202) abuts the first support plate (2012) and the second support plate (2013), respectively.

5. A drain device according to claim 1, wherein the drain pump assembly (2) further comprises a float switch (203), the float switch (203) being located within the receiving tank (101).

6. A drainage arrangement according to claim 1, characterised in that the tank bottom surface of the receiving tank (101) is arranged obliquely in such a way that it gradually moves away from the nominal reference surface from one end to the other end of the tank bottom surface, the drainage pump assembly (2) being located at said one end of the tank bottom surface close to the nominal reference surface.

7. A drain device according to claim 6, characterized in that the drip tray (1) comprises a water outlet nozzle (103), the water outlet nozzle (103) being in communication with the receiving tank (101) and the water inlet of the water outlet nozzle (103) being located at the end of the tank bottom surface close to the nominal reference plane, the water outlet of the drain pump assembly (2) being adapted to be in communication with the water inlet of the water outlet nozzle (103).

8. An air conditioner characterized by comprising the drainage device according to any one of claims 1 to 7.

9. The air conditioner according to claim 8, characterized in that, the air conditioner comprises an air conditioner body (4) and a middle partition plate (5) arranged in the air conditioner body (4), the drainage device is movably arranged in the air conditioner body (4), the middle partition plate (5) is provided with a relief notch (501), and a drainage pump assembly (2) of the drainage device is matched with the shape of the relief notch (501).

10. The air conditioner according to claim 9, further comprising a sealing flap adapted to cover the relief notch (501).

11. The air conditioner according to claim 10, characterized in that the air conditioner comprises a volute assembly (7), the volute assembly (7) comprises the sealing baffle (701) and a volute (702) arranged on the sealing baffle (701), and the sealing baffle (701) is suitable for being attached to the middle partition (5).

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