A multifunctional air cooler

Abstract

The present invention belongs to the technical field of air coolers and discloses a multifunctional air cooler, comprising a water storage seat, a working shell fixedly connected to the top of the water storage seat, an arc-shaped exhaust shell fixedly connected to the top of the working shell, a cylinder connected to the bottom of the inner wall of the arc-shaped exhaust shell, a rotating shaft drives a speed reducer to rotate, and the speed reducer drives a reciprocating screw to rotate while reducing the speed. Because the cleaning component is stuck inside the water storage seat, the reciprocating screw drives the strip cotton in the cleaning component to rise during the rotation process. Because the strip cotton is located inside the water storage seat, it can absorb the water inside the water storage seat. When the strip cotton rises, it will come into contact with the side wall of the wet curtain, and periodically soak and clean the bottom side wall of the wet curtain. This prevents the bottom end of the wet curtain from not being able to fully cover and soak during operation, which helps to maintain the wet state of the wet curtain and ensure the continuity of the air cooling effect.

Description

Technical Field

[0001] The invention belongs to the technical field of air coolers, in particular to a multifunctional air cooler. Background Art

[0002] Multifunctional air coolers are divided into industrial air coolers and household air coolers. Industrial air coolers are devices that provide multiple functions and are widely used in industrial environments, primarily for air cooling and ventilation. They combine the functions of an air cooler, ventilation system, and air purification, and are widely used in production workshops, warehouses, logistics centers, laboratories, and other places.

[0003] Existing technologies typically utilize water evaporation for cooling, lowering air temperature and improving work environment comfort and productivity, making them particularly suitable for use in high-temperature environments. This process involves water wetting the wet curtain from top to bottom. Because the wet curtain is typically made of honeycomb paper and fixed in place, the wetness varies between the top and bottom sides of the wet curtain. If certain areas of the wet curtain are over-wetted and water accumulates for extended periods, the excess moisture can lead to rot, mold, or water accumulation, impacting its functionality and lifespan. If certain areas of the wet curtain are less humid, the curtain may dry out, reducing its humidification and cooling effectiveness. Summary of the Invention

[0004] In order to solve the problem of different degrees of erosion of wet curtains raised in the above background technology, since the wet curtains are fixed in one place and are continuously soaked by water from top to bottom, the wet curtains may affect the effect of the device on cooling the air due to the amount of water. The present invention provides a multifunctional air cooler.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a multifunctional air cooler, comprising a water storage seat, a working shell fixedly connected to the top of the water storage seat, an arc-shaped exhaust shell fixedly connected to the top of the working shell, a cylinder connected to the bottom of the inner wall of the arc-shaped exhaust shell, one end of the cylinder extending into the interior of the working shell, and further comprising a cold air filtering mechanism, the cold air filtering mechanism comprising four protective plates fixedly connected to the outer wall of the working shell, four square holes respectively opened on the outer wall of the working shell, filter plates fixedly connected to the inner walls of the square holes, a cold air component provided on the inner wall of the cylinder for generating cold air and discharging it to the outside;

[0006] The water circulation mechanism is fixedly arranged at the bottom of the inner wall of the water storage seat.

[0007] The water circulation mechanism is used to drain the cold air filtering mechanism.

[0008] Preferably, the cold air component includes a fixing frame fixedly connected to the inner wall of the cylinder, the inner wall of the fixing frame is fixedly connected to a driver, the output end of the driver is fixedly connected to a rotating shaft, the top outer wall of the rotating shaft is fixedly connected to an arc fan, and the outer wall of one end of the rotating shaft close to the arc fan is fixedly connected to a speed reducer.

[0009] Preferably, the arc fan is arranged inside the cylinder, the bottom of the inner wall of the water storage seat is fixedly connected to a support frame, the top outer wall of the support frame is respectively provided with eight slide grooves, two of which are arranged in a group away from the slide grooves, and a sliding square ring frame is slidably connected between the slide grooves in a group, the inner wall of the sliding square ring frame is fixedly connected to a wet curtain, and six extrusion springs are respectively fixedly connected to the two ends of one side of the sliding square ring frame, and one end of the extrusion spring is fixedly connected to the inner wall of the slide groove.

[0010] Preferably, a cleaning assembly is provided on the outer wall of the rotating shaft, and the cleaning assembly includes a reciprocating screw fixedly connected to the bottom of the speed reducer, and a threaded block is threadedly connected to the outer wall of the bottom end of the reciprocating screw.

[0011] Preferably, the outer wall of the threaded block is fixedly connected to four cross bars, one end of the cross bar away from the threaded block is fixedly connected to a square plate, and the side of the square plate away from the cross bar is fixedly connected to a strip of cotton.

[0012] The strip cotton is used to wet the wet curtain when moving vertically.

[0013] Preferably, an auxiliary component is provided on the top of the threaded block, and the auxiliary component includes four telescopic rotating members rotatably connected to the top of the threaded block, and the top end of the telescopic rotating member is rotatably connected to a slider.

[0014] Preferably, the inner wall of the slider is slidably connected to a cross bar, one end of the cross bar is fixedly connected to a drainage shell, and the drainage shell is provided with a plurality of circular holes at the bottom of the inner wall of the drainage shell.

[0015] Preferably, the slider is slidably connected to an elastic rod on one side close to the horizontal rod, the elastic rod is fixedly connected to a fixed block on one end away from the slider, and the fixed block is fixedly connected to an extrusion strip on one side away from the elastic rod.

[0016] Preferably, the water circulation mechanism includes a water pump fixedly connected to one side of the bottom inner wall of the water storage seat, the top of the water pump is connected to a drain pipe, the end of the drain pipe away from the water pump is connected to the top of the drainage shell, one end of the water pump is connected to a water suction pipe, and the water suction pipe is arranged inside the water storage seat.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The present invention cooperates with a cold air filtering mechanism and a water circulation mechanism, starts a driver, and the driver drives the rotating shaft to rotate, which in turn drives the arc fan to rotate. The arc fan generates wind force, sucks the external wind force, and allows the external wind force to enter the interior of the working shell through the strip holes of the cold air filtering mechanism. Because the filter holes of the filter plate are conical, the air inlet contacts the smaller conical hole, which can filter most impurities in the wind. At the same time, the water pump is started, and the water pump absorbs the water inside the water storage seat into the interior of the drain pipe through the water suction pipe, so that the water flows into the interior of the drainage shell through the drain pipe. The water flows downward through the circular hole opened in the drainage shell, so that the water flow soaks the top of the wet curtain. At this time, the wind flows through the wet curtain and enters the interior of the working shell, converting the airflow into cold airflow. The airflow passes through the working shell and enters the arc-shaped exhaust shell, and is then discharged to the outside, thereby performing air cooling. The rotating shaft drives the speed reducer to rotate, and the speed reducer drives the reciprocating screw to rotate while reducing the speed. Because the cleaning component is stuck inside the water storage seat, the reciprocating screw drives the strip cotton in the cleaning component to rise during the rotation process. Because the strip cotton is located inside the water storage seat, it can absorb the water inside the water storage seat. When the strip cotton rises, it will come into contact with the side wall of the wet curtain, periodically soaking and cleaning the bottom side wall of the wet curtain. Preventing the bottom end of the wet curtain from not being fully covered and soaked during operation helps to keep the wet curtain moist and ensure the continuity of the air cooling effect.

[0019] The present invention cooperates with a cold air component, a cleaning component, and an auxiliary component. During the rising process of the threaded block, the threaded block drives the telescopic rotating part to rise. When the threaded block rises to the middle end of the reciprocating screw, the telescopic rotating part drives the slider to slide along the outer wall of the cross frame rod, and the slider drives the extrusion bar in the auxiliary component to move. During the movement of the extrusion bar, it will contact the top side wall of the sliding square ring frame, so that the sliding square ring frame drives the wet curtain to slide along the inner wall of the slide groove. During the movement of the sliding square ring frame and the wet curtain toward the filter plate, the air pressure generated will enter the larger conical mouth, and then the air pressure will spray impurities blocked at the smaller conical mouth, preventing impurity particles from blocking the filter holes on a large scale after long-term work, maintaining a smooth air passage, thereby ensuring the normal operation of the system and optimizing the air purification effect.

[0020] The present invention cooperates with the cold air component, the cleaning component, and the auxiliary component. When the wet curtain approaches the filter plate, the rising strip cotton will not come into contact with the side wall of the wet curtain, preventing the strip cotton from excessively soaking the top of the wet curtain, reducing the loss or deformation of the wet curtain, and extending its service life. At the same time, it can also prevent the wet curtain from accumulating dirt due to excessive water. Because the wet curtain is displaced, the water discharged from the circular hole in the drainage shell no longer soaks the top side wall of the wet curtain. The falling water will flow through the side wall of the strip cotton. With the action of the water flow, particulate impurities may not accumulate on the side wall of the strip cotton for a long time. Through regular flushing, the water flow can keep the surface of the strip cotton clean, prevent excessive accumulation of particulate matter, and avoid affecting the long-term performance of the strip cotton. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall side structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the present invention;

[0023] Figure 3 For the present invention Figure 2 A magnified view of middle A;

[0024] Figure 4 This is a schematic diagram of the cross-sectional structure of the support frame of the present invention;

[0025] Figure 5 This is a schematic diagram of the cross-sectional structure of the wet curtain of the present invention;

[0026] Figure 6 For the present invention Figure 5 Enlarged view of middle B;

[0027] Figure 7 This is a bottom view of the structure of the threaded block of the present invention;

[0028] Figure 8 For the present invention Figure 7 Enlarged view of middle C;

[0029] Figure 9 This is a schematic diagram of the structure of the water suction pipe of the present invention from a top view;

[0030] Figure 10 This is a schematic diagram of the explosion structure of the working shell of the present invention.

[0031] In the figure: 1, water storage seat; 2, working shell; 3, arc-shaped exhaust shell; 4, cylinder; 5, filter cold air mechanism; 6, water circulation mechanism; 51, protective plate; 52, square hole; 53, filter plate; 54, cold air assembly; 55, cleaning assembly; 56, auxiliary assembly; 541, fixing frame; 542, drive; 543, speed reducer; 544, rotating shaft; 545, arc-shaped fan; 546, support frame; 547, slideway; 54 8. Sliding square ring frame; 549. Wet curtain; 540. Extrusion spring; 551. Reciprocating screw; 552. Threaded block; 553. Cross bar; 554. Square plate; 555. Strip cotton; 561. Telescopic rotating part; 562. Sliding block; 563. Cross bar; 564. Drain shell; 565. Round hole; 566. Elastic rack; 567. Fixed block; 568. Extrusion strip; 61. Water pump; 62. Drain pipe; 63. Suction pipe. DETAILED DESCRIPTION

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] like Figures 1 to 10 As shown, the present invention provides a multifunctional air cooler, including a water storage seat 1, a working shell 2 is fixedly connected to the top of the water storage seat 1, an arc-shaped exhaust shell 3 is fixedly connected to the top of the working shell 2, the bottom of the inner wall of the arc-shaped exhaust shell 3 is connected to a cylinder 4, one end of the cylinder 4 extends to the interior of the working shell 2, and further includes a cold air filtering mechanism 5, the cold air filtering mechanism 5 includes four protective plates 51 fixedly connected to the outer wall of the working shell 2, the outer wall of the working shell 2 is respectively provided with four square holes 52, the inner walls of the square holes 52 are fixedly connected to filter plates 53, and the inner wall of the cylinder 4 is provided with a cold air component 54 for generating cold air and discharging it to the outside;

[0034] The above solution is adopted: the side wall of the protective plate 51 is provided with a plurality of square holes, which can block large impurities mixed in the air when the outside air enters the interior of the device, thereby preventing the impurities from entering the interior of the device.

[0035] The water circulation mechanism 6 is fixedly arranged at the bottom of the inner wall of the water storage seat 1.

[0036] The water circulation mechanism 6 is used to drain the cold air filtering mechanism 5 .

[0037] The cold air component 54 includes a fixing frame 541 fixedly connected to the inner wall of the cylinder 4, the inner wall of the fixing frame 541 is fixedly connected to a driver 542, the output end of the driver 542 is fixedly connected to a rotating shaft 544, the top outer wall of the rotating shaft 544 is fixedly connected to an arc fan 545, and the outer wall of one end of the rotating shaft 544 close to the arc fan 545 is fixedly connected to a speed reducer 543.

[0038] The arc fan 545 is arranged inside the cylinder 4, and the bottom of the inner wall of the water storage seat 1 is fixedly connected to a support frame 546. The top outer wall of the support frame 546 is respectively provided with eight slide grooves 547, two of which are arranged in a group away from the slide grooves 547. A sliding square ring frame 548 is slidably connected between a group of slide grooves 547, and the inner wall of the sliding square ring frame 548 is fixedly connected to a wet curtain 549. Six extrusion springs 540 are respectively fixedly connected to the two ends of one side of the sliding square ring frame 548, and one end of the extrusion spring 540 is fixedly connected to the inner wall of the slide groove 547.

[0039] With the above solution, the extrusion spring 540 is provided to enable the sliding square ring frame 548 to move back to the inner wall of the sliding groove 547 without being squeezed.

[0040] like Figures 1 to 10 As shown, a cleaning assembly 55 is provided on the outer wall of the rotating shaft 544 . The cleaning assembly 55 includes a reciprocating screw 551 fixedly connected to the bottom of the speed reducer 543 . A threaded block 552 is threadedly connected to the outer wall of the bottom end of the reciprocating screw 551 .

[0041] The outer wall of the threaded block 552 is fixedly connected to four cross bars 553. One end of the cross bar 553 away from the threaded block 552 is fixedly connected to a square plate 554. The side of the square plate 554 away from the cross bar 553 is fixedly connected to a strip of cotton 555.

[0042] The strip cotton 555 is used to soak the wet curtain 549 when moving vertically.

[0043] Adopting the above-mentioned scheme: when the strip cotton 555 is located inside the water storage seat 1, it can absorb the water inside the water storage seat 1, thereby soaking the bottom side wall of the wet curtain 549, and can cooperate with the falling water during the rising process to soak the bottom side wall of the wet curtain 549 again.

[0044] An auxiliary assembly 56 is provided on the top of the threaded block 552 . The auxiliary assembly 56 includes four telescopic rotating members 561 rotatably connected to the top of the threaded block 552 . The top of the telescopic rotating member 561 is rotatably connected to a slider 562 .

[0045] Adopting the above solution: the setting of the telescopic rotating member 561 can prevent the threaded block 552 from getting stuck when it reciprocates up and down on the outer wall of the reciprocating screw rod 551, and can freely perform telescopic deformation work, thereby improving the stability of the device operation.

[0046] The inner wall of the slider 562 is slidably connected to a cross bar 563 , one end of the cross bar 563 is fixedly connected to a drainage shell 564 , and the drainage shell 564 is provided with a plurality of circular holes 565 at the bottom of the inner wall of the drainage shell 564 .

[0047] The side of the slider 562 close to the cross rod 563 is slidably connected to the elastic rod 566, the end of the elastic rod 566 away from the slider 562 is fixedly connected to the fixed block 567, and the side of the fixed block 567 away from the elastic rod 566 is fixedly connected to the extrusion bar 568.

[0048] The water circulation mechanism 6 includes a water pump 61 fixedly connected to one side of the bottom inner wall of the water storage seat 1. The top of the water pump 61 is connected to a drain pipe 62. The end of the drain pipe 62 away from the water pump 61 is connected to the top of the drainage shell 564. One end of the water pump 61 is connected to a water suction pipe 63, and the water suction pipe 63 is arranged inside the water storage seat 1.

[0049] With this solution, when the wet curtain 549 is displaced, the water discharged from the circular hole 565 in the drainage housing 564 no longer soaks the top sidewalls of the wet curtain 549. Instead, the falling water flows along the sidewalls of the cotton strips 555. As the water flows, particulate matter is prevented from accumulating on the sidewalls of the cotton strips 555 for a long time. Regular flushing keeps the surface of the cotton strips 555 clean, preventing excessive accumulation of particulate matter that could affect their long-term performance.

[0050] The working principle and use process of the present invention:

[0051] The driver 542 is activated, which drives the rotating shaft 544 to rotate. The rotating shaft 544 drives the arc fan 545 to rotate. The arc fan 545 generates wind, sucking in the external wind, allowing the external wind to enter the interior of the working shell 2 through the strip holes of the cold air filtering mechanism 5. Because the filter holes of the filter plate 53 are conical, the air inlet contacts the smaller conical opening, which can filter most impurities in the wind. At the same time, the water pump 61 is activated. The water pump 61 draws water from the water reservoir 1 into the drain pipe 62 through the water suction pipe 63. The water flows through the drain pipe 62 into the interior of the drainage shell 564. The water flows downward through the circular hole 565 provided in the drainage shell 564, causing the water to soak the top of the wet curtain 549. At this time, the wind flows through the wet curtain 549 into the interior of the working shell 2, so that the airflow is converted into cold airflow. The airflow passes through the working shell 2 and enters the arc-shaped exhaust shell 3, and is then discharged to the outside, thereby performing air cooling. The rotating shaft 544 drives the speed reducer 543 to rotate. The speed reducer 543 reduces the speed while driving the reciprocating screw rod 551 to rotate. Because the cleaning component 55 is stuck in the water storage seat 1, the reciprocating screw rod 551 drives the threaded block 552 to reciprocate and rise and fall during the rotation, and the threaded block 552 drives the cross bar 553 to rise, and the cross bar 553 drives the square plate 554 and the strip cotton 555 to rise. Because the strip cotton 555 is located inside the water storage seat 1, it can absorb the water inside the water storage seat 1. When the strip cotton 555 rises, it will contact the side wall of the wet curtain 549, and the bottom side wall of the wet curtain 549 will be periodically soaked and cleaned. This prevents the bottom end of the wet curtain 549 from failing to fully cover and soak during operation, which helps to maintain the wet curtain and ensure the continuity of the air cooling effect.

[0052] During the rising process of the threaded block 552, the threaded block 552 drives the telescopic rotating member 561 to rise. When the threaded block 552 rises to the middle end of the reciprocating screw rod 551, the telescopic rotating member 561 drives the slider 562 to slide along the outer wall of the horizontal frame rod 563, and the slider 562 drives the elastic frame rod 566 to move, and the elastic frame rod 566 drives the fixed block 567 to move, and the fixed block 567 drives the extrusion bar 568 to move. During the movement of the extrusion bar 568, it will contact the top side wall of the sliding square ring frame 548, so that the sliding square ring frame 548 drives the wet curtain 549 to slide along the inner wall of the slide groove 547. During the movement of the sliding square ring frame 548 and the wet curtain 549 toward the filter plate 53, the air pressure generated will enter the larger conical port, and then the air pressure will eject the impurities blocked at the smaller conical port, preventing the impurity particles from blocking the filter holes on a large scale after long-term operation, maintaining a smooth air passage, thereby ensuring the normal operation of the system and optimizing the air purification effect.

[0053] When the wet curtain 549 approaches the filter plate 53, the rising cotton strips 555 do not come into contact with the side walls of the wet curtain 549, preventing the cotton strips 555 from over-wetting the top of the wet curtain 549, reducing wear and deformation of the wet curtain 549 and extending its service life. This also prevents dirt from accumulating on the wet curtain 549 due to excessive moisture. As the wet curtain 549 moves, the water discharged from the circular holes 565 in the drainage housing 564 no longer wets the top side walls of the wet curtain 549. Instead, the falling water flows along the side walls of the cotton strips 555. As a result, particulate matter is prevented from accumulating on the side walls of the cotton strips 555 for a long time. Regular flushing keeps the surface of the cotton strips 555 clean, preventing excessive accumulation of particulate matter that could affect the long-term performance of the cotton strips 555.

[0054] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0055] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A multifunctional air cooler, comprising a water storage seat (1), wherein the top of the water storage seat (1) is fixedly connected to a working shell (2), the top of the working shell (2) is fixedly connected to an arc-shaped exhaust shell (3), the bottom of the inner wall of the arc-shaped exhaust shell (3) is connected to a cylinder (4), and one end of the cylinder (4) extends into the interior of the working shell (2), characterized in that: It also includes a cold air filtering mechanism (5), the cold air filtering mechanism (5) including four protective plates (51) fixedly connected to the outer wall of the working shell (2), the outer wall of the working shell (2) is respectively provided with four square holes (52), the inner walls of the square holes (52) are fixedly connected with filter plates (53), and the inner wall of the cylinder (4) is provided with a cold air component (54) for generating cold air and discharging it to the outside; A water circulation mechanism (6), wherein the water circulation mechanism (6) is fixedly arranged on the bottom of the inner wall of the water storage seat (1), The water circulation mechanism (6) is used to drain water from the cold air filtering mechanism (5); The cold air component (54) includes a fixing frame (541) fixedly connected to the inner wall of the cylinder (4), a driver (542) fixedly connected to the inner wall of the fixing frame (541), a rotating shaft (544) fixedly connected to the output end of the driver (542), an arc fan (545) fixedly connected to the top outer wall of the rotating shaft (544), and a speed reducer (543) fixedly connected to the outer wall of one end of the rotating shaft (544) close to the arc fan (545); The arc fan (545) is arranged inside the cylinder (4), and the bottom of the inner wall of the water storage seat (1) is fixedly connected to a support frame (546), and the outer wall of the top end of the support frame (546) is respectively provided with eight slide grooves (547), two of which are arranged in a group away from the slide grooves (547), and a sliding square ring frame (548) is slidably connected between the slide grooves (547) of a group, and the inner wall of the sliding square ring frame (548) is fixedly connected to a wet curtain (549), and six extrusion springs (540) are fixedly connected to both ends of one side of the sliding square ring frame (548), and one end of the extrusion spring (540) is fixedly connected to the inner wall of the slide groove (547); The outer wall of the rotating shaft (544) is provided with a cleaning assembly (55), and the cleaning assembly (55) includes a reciprocating screw (551) fixedly connected to the bottom of the speed reducer (543), and a threaded block (552) is threadedly connected to the outer wall of the bottom end of the reciprocating screw (551); Four cross bars (553) are fixedly connected to the outer wall of the threaded block (552), one end of the cross bar (553) away from the threaded block (552) is fixedly connected to a square plate (554), and one side of the square plate (554) away from the cross bar (553) is fixedly connected to a strip of cotton (555). The strip cotton (555) is used to wet the wet curtain (549) when moving vertically.

2. The multifunctional air cooler according to claim 1, characterized in that: An auxiliary component (56) is provided at the top of the threaded block (552), and the auxiliary component (56) comprises four telescopic rotating members (561) rotatably connected to the top of the threaded block (552), and the top ends of the telescopic rotating members (561) are rotatably connected to a slider (562).

3. The multifunctional air cooler according to claim 2, characterized in that: The inner wall of the slider (562) is slidably connected to a crossbar (563), one end of the crossbar (563) is fixedly connected to a drainage shell (564), and the drainage shell (564) is provided with a plurality of circular holes (565) at the bottom of the inner wall of the drainage shell (564).

4. The multifunctional air cooler according to claim 3, characterized in that: The side of the slider (562) close to the crossbar (563) is slidably connected to an elastic frame rod (566), the end of the elastic frame rod (566) away from the slider (562) is fixedly connected to a fixed block (567), and the side of the fixed block (567) away from the elastic frame rod (566) is fixedly connected to an extrusion strip (568).

5. The multifunctional air cooler according to claim 4, characterized in that: The water circulation mechanism (6) includes a water pump (61) fixedly connected to one side of the bottom of the inner wall of the water storage seat (1), the top of the water pump (61) is connected to a drainage pipe (62), one end of the drainage pipe (62) away from the water pump (61) is connected to the top of the drainage shell (564), and one end of the water pump (61) is connected to a water suction pipe (63), and the water suction pipe (63) is arranged inside the water storage seat (1).

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