Mobile air conditioner

By designing structures such as water-blocking ribs, overflow holes, overflow pipes, and water collection boxes in portable air conditioners, the safety hazards caused by condensate overflow are solved, improving safety and cleanliness, and reducing noise and the risk of bacterial growth.

CN223691174UActive Publication Date: 2025-12-19QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD +1
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Patent Information

Application Number
CN202423243404.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-12-19
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

Condensation overflow from the evaporator in portable air conditioners poses a safety hazard, especially causing corrosion to metal parts and screws.

Method used

The condensate space is separated by a first and a second water-blocking rib, and an overflow hole and an overflow pipe are provided. Combined with a water receiving box and a drainage trough, a guide rib is designed to guide the flow of condensate and discharge it. A hydrophobic and antibacterial coating is used to improve fluidity and prevent bacterial growth.

Benefits of technology

It effectively avoids corrosion problems caused by condensate overflow, improves safety, reduces noise, prevents bacterial growth and odor generation, and optimizes the condensate drainage path.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of air conditioners, particularly provides a mobile air conditioner, and aims to solve the problem of potential safety hazards caused by overflow of condensed water. In order to achieve the purpose, the mobile air conditioner comprises a shell, an air inlet and an air outlet, the outdoor air duct assembly is arranged in the cavity and at least comprises an upper air duct plate and a lower air duct plate which are oppositely arranged, and an indoor cavity is defined between the upper air duct plate and the shell and bears the indoor heat exchanger; the first water retaining rib is arranged on the upper surface of the upper air duct plate and divides the upper air duct plate into a water receiving space and a fan mounting space; the second water retaining rib is arranged in the water receiving space and bears the indoor heat exchanger, the extending direction of the second water retaining rib is the same as that of the first water retaining rib, and the second water retaining rib is lower than the first water retaining rib; the overflow hole is formed in the upper air duct plate corresponding to the fan mounting space and is close to the first water retaining rib; the water receiving box is arranged on the lower air duct plate corresponding to the overflow hole. And through the overflow hole, the overflowed condensed water can flow into the water receiving box and is prevented from flowing everywhere, so that the safety is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioning technical field, concretely provides a mobile air conditioner. BACKGROUND

[0002] At present, whether it is a hanging type air conditioner or a vertical type air conditioner, it needs to be fixedly installed at a limited position and cannot be moved. Therefore, a mobile air conditioner emerges as the times require. The mobile air conditioner mainly comprises a casing, an indoor airflow circulation assembly and an outdoor airflow circulation assembly. The indoor airflow circulation assembly and the outdoor airflow circulation assembly are both arranged in the casing. An indoor air inlet and an indoor air outlet corresponding to the indoor airflow circulation assembly are arranged on the casing. An outdoor air inlet and an outdoor air outlet corresponding to the outdoor airflow circulation assembly are also arranged on the casing. Due to the small size of the mobile air conditioner, it can be moved to different positions or rooms to adjust the temperature of the air in the positions or rooms.

[0003] In the related art, the mobile air conditioner is usually provided with a water receiving tray. The cavity in the casing of the mobile air conditioner is divided into an indoor heat exchange cavity and an outdoor heat exchange cavity which are distributed in an upper and lower manner by the water receiving tray. An evaporator is arranged in the indoor heat exchange cavity, and a condenser is arranged in the outdoor heat exchange cavity. When the mobile air conditioner is running, especially in the case of running in a cooling mode, a large amount of condensed water will be generated by the evaporator. A support seat is arranged below the evaporator, and the water receiving tray is arranged on the support seat to receive the condensed water. However, the volume of the water receiving tray is limited. When a large amount of condensed water is generated and cannot be discharged in time, the condensed water will overflow and flow into the support seat, causing the metal devices, screw members and the like on the support seat to rust, thereby causing a safety hazard. SUMMARY

[0004] The utility model aims at solving the above technical problem, i.e. solving the problem of safety hazard caused by overflow of condensed water of the evaporator in the mobile air conditioner.

[0005] The utility model provides a mobile air conditioner, include: shell, inside limit has cavity;Outdoor air duct subassembly, set up in the cavity, at least including opposite arrangement's upper air duct board and lower air duct board, the upper air duct board with the shell between surround limit has indoor chamber, and be arranged as bearing indoor heat exchanger;First water stop rib, set up in the upper surface of the upper air duct board, and the upper air duct board is divided into water receiving space and fan installation space;Second water stop rib, set up in the water receiving space, be arranged as bearing indoor heat exchanger, the second water stop rib with the same extension direction of first water stop rib, and height is lower than the height of first water stop rib;Overflow hole, corresponding the fan installation space set up in the upper air duct board, close to the first water stop rib arrangement;Water receiving box, corresponding the overflow hole set up in the lower air duct board.

[0006] In the technical scheme, the first water blocking rib is arranged to block the condensed water generated by the indoor heat exchanger, the second water blocking rib is arranged to support the indoor heat exchanger and separate the water receiving space, so that the condensed water can be collected in different parts of the indoor heat exchanger, and the risk of bacterial growth and odor generation can be reduced. When the water level in the water receiving space is higher than the height of the first water blocking rib, the condensed water can overflow to the fan mounting space. The overflow hole is arranged to allow the overflowed condensed water to flow to the water receiving box outside the surrounding baffle, so that the overflowed condensed water can not flow around in the fan mounting space, and the condensed water can not flow into the outdoor air duct, so that the metal components, electronic components and screw components in the fan mounting space and the indoor air duct can not be rusted, and the safety can be improved.

[0007] In the optional embodiment of the mobile air conditioner, the part of the upper air duct plate corresponding to the fan mounting space is recessed towards the lower air duct plate and forms a recessed part, and the overflow hole is arranged at the lowest part of the recessed part.

[0008] The formation of the recessed part can make the overflowed condensed water flow to the recessed part along the downward recessed trend of the lower air duct plate, and avoid the condensed water flowing in other directions. The overflow hole arranged at the lowest part of the recessed part can ensure the discharge of the condensed water, avoid the accumulation of the condensed water in the recessed part, and improve the cleanliness of the upper air duct plate.

[0009] In the optional embodiment of the mobile air conditioner, the overflow pipe is arranged at the overflow hole and extends towards the water receiving box.

[0010] The arrangement of the overflow pipe can limit and guide the flow direction of the overflowed condensed water from the water receiving space, and reduce or even avoid the splashing of the condensed water.

[0011] In the optional embodiment of the mobile air conditioner, the diameter of the overflow pipe gradually decreases along the direction towards the water receiving box.

[0012] The arrangement of the overflow pipe with the diameter gradually decreasing along the direction towards the water receiving box can limit the impact force and vibration of the condensed water, and reduce the noise.

[0013] In the optional embodiment of the mobile air conditioner, the water receiving space is configured to match the shape of the indoor heat exchanger, and includes a first water receiving section and a second water receiving section in communication with each other. The first water receiving section is provided with a drain hole, and the condensed water flows from the second water receiving section to the first water receiving section and to the drain hole.

[0014] By setting the drain hole in the first water receiving section, the condensate water can be made to flow from the second water receiving section to the first water receiving section, and the condensate water can be discharged through the drain hole.

[0015] In the optional embodiment of the mobile air conditioner, the mobile air conditioner further comprises: a plurality of first flow guide ribs arranged at intervals on the first water blocking rib and inclined toward the second water blocking rib along the flow direction of the condensate water; and a plurality of second flow guide ribs arranged at intervals on the side of the second water blocking rib away from the first water blocking rib, the second flow guide ribs being arranged in the same direction as the first flow guide ribs.

[0016] By setting the first flow guide ribs and the second flow guide ribs, the condensate water in the water receiving space can be guided to flow quickly in the direction of the drain hole, so that the condensate water can be quickly discharged through the drain hole, thereby avoiding the accumulation of condensate water.

[0017] In the optional embodiment of the mobile air conditioner, the mobile air conditioner further comprises: a drain groove arranged at the end of the first water receiving section away from the second water receiving section and communicating with the water receiving space; and the drain hole is arranged on the side groove wall or the bottom groove wall of the drain groove and is arranged to be connected to a drain pipe or capped.

[0018] By setting the drain groove, the condensate water flowing to the drain groove can be collected and then discharged through the drain hole arranged on the side groove wall or the bottom groove wall of the drain groove, thereby reducing the possibility of water accumulation in the water receiving space.

[0019] In the optional embodiment of the mobile air conditioner, the part of the plate body of the upper air duct plate corresponding to the water receiving space is recessed toward the lower air duct plate to form the drain groove, and the drain hole is arranged at the lowest part of the side groove wall or the bottom groove wall of the drain groove.

[0020] By recessing the part of the plate body to form the drain groove, the flow of the condensate water to the drain groove can be improved; by arranging the drain hole at the lowest part of the side groove wall or the bottom groove wall, the discharge of the condensate water can be ensured, and the retention of the condensate water in the drain groove can be reduced.

[0021] In the optional embodiment of the mobile air conditioner, the overflow hole is arranged corresponding to the first water receiving section; and / or, the first water blocking rib is configured as an arc-shaped bent rib and forms the first water receiving section and the second water receiving section in arc-shaped bent communication; and / or, the second water blocking rib is configured as an arc-shaped bent rib.

[0022] Since the flow direction of the condensate water is from the second water receiving section to the first water receiving section, the first water receiving section will receive more condensate water. Therefore, by arranging the overflow hole corresponding to the first water receiving section, the overflow of the condensate water can be better guided.

[0023] By constructing the first water retaining rib and / or the second water retaining rib as an arc-shaped bent rib, condensate water can be prevented from being retained at the bent portion of the first water retaining rib and / or the second water retaining rib, and flow dead angles can be avoided.

[0024] In the optional embodiment of the mobile air conditioner, the upper surface of the upper air duct plate is coated with a hydrophobic and antibacterial coating.

[0025] By coating the upper surface of the upper air duct plate with a hydrophobic and antibacterial coating, the flowability of condensate water can be improved, and problems such as water scale and bacterial growth in the water receiving space can be prevented. BRIEF DESCRIPTION OF DRAWINGS

[0026] The preferred embodiments of the present application will be described below with reference to the accompanying drawings, in which:

[0027] Figure 1 is a structural schematic diagram of a mobile air conditioner provided by the present application;

[0028] Figure 2 is a structural schematic diagram of a mobile air conditioner provided by the present application, wherein part of the outer shell is removed;

[0029] Figure 3 is a structural schematic diagram of an outdoor air duct assembly and an indoor heat exchanger provided by the present application;

[0030] Figure 4 is a cross-sectional schematic diagram of an outdoor air duct assembly and an indoor heat exchanger provided by the present application;

[0031] Figure 5 is a structural schematic diagram of an outdoor air duct assembly provided by the present application;

[0032] Figure 6 is a structural schematic diagram of another outdoor air duct assembly provided by the present application;

[0033] Figure 7 is an exploded schematic diagram of an outdoor air duct assembly provided by the present application.

[0034] BRIEF DESCRIPTION OF DRAWINGS

[0035] 100, outer shell; 110, indoor cavity; 120, outdoor cavity;

[0036] 200, outdoor air duct assembly; 210, upper air duct plate; 211, fan mounting space; 212, water receiving space; 2121, first water receiving section; 2122, second water receiving section; 213, overflow hole; 2131, overflow pipe; 214, first water retaining rib; 215, second water retaining rib; 216, first flow guide rib; 217, second flow guide rib; 218, drain hole; 219, drain groove; 220, lower air duct plate; 221, water receiving box; 230, enclosing plate;

[0037] 310, indoor heat exchanger; 320, outdoor heat exchanger;

[0038] 410, indoor fan; 420, outdoor fan. DETAILED DESCRIPTION

[0039] The preferred embodiments of the present application will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that the embodiments are only used to explain the technical principles of the present application, and are not intended to limit the protection scope of the present application. In the following technical description, in order to facilitate the explanation, a plurality of details are provided to provide a full understanding of the disclosed embodiments. However, one or more embodiments can still be implemented without these details. In other cases, well-known structures and devices can be simplified to facilitate the drawings.

[0040] It should be noted that in the description of the present application, the terms indicating the direction or positional relationship of the terms "middle", "upper", "lower", "vertical", "inner", "outer" and the like are based on the direction or positional relationship shown in the drawings, which is only for the convenience of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0041] In addition, it should also be noted that in the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0042] In combination Figures 1 to 7As shown, the utility model provides a kind of mobile air conditioner, including shell 100, outdoor air duct component 200, first water baffle 214, second water baffle 215, overflow hole 213 and water receiving box 221.The inside of shell 100 is defined with cavity.Outdoor air duct component 200 is set in cavity, at least including the upper air duct plate 210 and lower air duct plate 220 of relative arrangement, and the indoor cavity 110 is enclosed between upper air duct plate 210 and shell 100, and be set as the bearing indoor heat exchanger 310.First water baffle 214 is set in the upper surface of upper air duct plate 210, and upper air duct plate 210 is separated into fan installation space 211 and water receiving space 212.Second water baffle 215 is set in water receiving space 212, and is set as the bearing indoor heat exchanger 310, and the extension direction of second water baffle 215 is same with first water baffle 214, and height is lower than the height of first water baffle 214.Overflow hole 213 is set in upper air duct plate corresponding fan installation space 211, and is arranged close to first water baffle 214.Water receiving box 221 is set in lower air duct plate 220 corresponding overflow hole 213.

[0043] Optionally, the inside of shell 100 is cavity structure.Outdoor air duct component 200 is set in cavity, and cavity is separated into indoor cavity 110 and outdoor cavity 120 distributed in upper and lower and independent of each other.

[0044] Wherein, outdoor air duct component 200 at least includes the upper air duct plate 210 and lower air duct plate 220 of relative arrangement;Upper air duct plate 210 and shell 100 enclose indoor cavity 110 and can be used as the bottom wall of indoor cavity 110;At the same time, lower air duct plate 220 and shell 100 enclose outdoor cavity 120 and can be used as the top wall of outdoor cavity 120.Further, outdoor air duct component 200 further includes enclosing baffle 230, and enclosing baffle 230 is connected between upper air duct plate 210 and lower air duct plate 220, and jointly encloses outdoor air duct.Further, lower air duct plate 220 is provided with outdoor air duct inlet, and enclosing baffle 230 is provided with outdoor air duct outlet, so that outdoor air duct is communicated with outdoor cavity 120.

[0045] Optionally, indoor heat exchanger 310 is set in upper air duct plate 210.At the same time, when mobile air conditioner runs refrigeration mode, upper air duct plate 210 can be used to receive the condensate water generated by indoor heat exchanger 310.

[0046] Optionally, first water baffle 214 is provided on upper air duct plate 210, to separate the space on upper air duct plate 210 into water receiving space 212 and fan installation space 211.Indoor heat exchanger 310 is installed on upper air duct plate 210 corresponding water receiving space 212.First water baffle 214 can block the condensate water generated, so that the condensate water generated by indoor heat exchanger 310 is blocked in water receiving space 212.

[0047] Further, the second water retaining rib 215 is arranged in the water receiving space 212 and is higher than the first water retaining rib 214. The second water retaining rib 215 can separate the water receiving space 212 into two parts while the indoor heat exchanger 310 is arranged in the bearing chamber, so as to avoid the condensate water from being too concentrated.

[0048] Optionally, the first water retaining rib 214 abuts against the side of the indoor heat exchanger 310, so as to improve the stability of the indoor heat exchanger 310. Further, the first water retaining rib 214 is screw-connected or clamped to the end plate of the indoor heat exchanger 310.

[0049] Optionally, when the condensate water is generated in large quantity and cannot be discharged in time, the height of the condensate water gradually increases until the height of the first water retaining rib 214 is reached. When the condensate water continues to be generated, the condensate water will overflow from the top end of the first water retaining rib 214 to the fan mounting space 211. In order to avoid the overflowing condensate water from causing the components in the fan mounting space to be corroded, short-circuited or the like, the overflow hole 213 is arranged on the upper air duct plate 210 close to the first water retaining rib 214, and the water receiving box 221 corresponding to the overflow hole 213 is arranged below the upper air duct plate 210. The overflowing condensate water will flow into the water receiving box 221 through the overflow hole 213. Further, the water receiving box 221 is arranged on the lower air duct plate 220 and is located outside the enclosing plate 230, so as to improve the space utilization rate between the upper air duct plate 210 and the lower air duct plate 220.

[0050] Further, the outdoor cavity 120 is arranged with the outdoor heat exchanger 320 below the water receiving box 221, so as to discharge the condensate water in the water receiving box 221 to the outdoor heat exchanger 320.

[0051] Further, the water receiving box 221 can be externally connected with a drain pipe.

[0052] Alternatively, the outdoor air duct assembly 200 can also be arranged vertically and can separate the cavity into the left and right independent indoor cavity and outdoor cavity.

[0053] Optionally, the mobile air conditioner further comprises an indoor fan 410, an outdoor fan 420 and a motor assembly. The motor assembly is a double-shaft motor. The indoor fan 410 is arranged in the fan mounting space 211, and the motor assembly and the outdoor fan 420 are arranged in the outdoor air duct. The first output shaft of the motor assembly is arranged to extend into the indoor cavity 110 and is drivingly connected with the indoor fan 410, and the second output shaft is drivingly connected with the outdoor fan 420. In this way, the components of the mobile air conditioner can be reduced, and the volume can be reduced.

[0054] Optionally, the first water retaining rib 214 is provided with a notch corresponding to the overflow hole 213. The height of the notch is higher than the height of the second water retaining rib 215. In this way, the overflowing condensate water can quickly flow to the overflow hole 213 through the notch.

[0055] In the above technical solution, the first water blocking rib 214 is arranged to block the condensate water generated by the indoor heat exchanger 310. The second water blocking rib 215 is arranged to support the indoor heat exchanger 310 and separate the water receiving space 212, so as to collect the condensate water from different parts of the indoor heat exchanger 310, thereby avoiding the condensate water from being too concentrated and reducing the risk of bacterial growth and odor generation. When the water level in the water receiving space 212 is higher than the height of the first water blocking rib 214, the condensate water will overflow to the fan mounting space 211. The overflow hole 213 is arranged to allow the overflowing condensate water to flow into the water receiving box 221 outside the surrounding baffle 230, thereby avoiding the overflowing condensate water from flowing around the fan mounting space 211 and entering the outdoor air duct, and thus avoiding the metal components, electronic components, and screw components in the fan mounting space 211 and the indoor air duct from rusting, thereby improving safety.

[0056] In the above optional embodiment of the mobile air conditioner, the part of the upper air duct plate 210 corresponding to the fan mounting space 211 is recessed downward to the lower air duct plate 220 and forms a recessed part, and the overflow hole 213 is arranged at the lowest part of the recessed part.

[0057] The formation of the recessed part allows the overflowing condensate water to flow towards the recessed part along the downward recessed trend of the lower air duct plate 220, avoiding the condensate water from flowing in other directions. The overflow hole 213 arranged at the lowest part of the recessed part ensures the discharge of the condensate water and avoids the accumulation of the condensate water in the recessed part, thereby improving the cleanliness of the upper air duct plate 210.

[0058] Alternatively, the upper air duct plate 210 does not have a recessed part.

[0059] In the above optional embodiment of the mobile air conditioner, an overflow pipe 2131 is further arranged. The overflow pipe 2131 is arranged at the overflow hole 213 and extends towards the water receiving box 221.

[0060] The arrangement of the overflow pipe 2131 can limit and guide the flow direction of the condensate water overflowing from the water receiving space 212, thereby reducing or even avoiding the splashing of the condensate water.

[0061] Optionally, the diameter of the overflow hole 213 gradually decreases from the upper surface to the lower surface of the upper air duct plate 210.

[0062] Alternatively, the diameter of the overflow hole 213 gradually decreases from the upper surface to the lower surface of the upper air duct plate 210.

[0063] Alternatively, the overflow pipe 2131 is not arranged.

[0064] In the alternative embodiment of the mobile air conditioner, the diameter of the overflow pipe 2131 gradually decreases along the direction towards the water collecting box 221.

[0065] By setting the diameter of the overflow pipe 2131 gradually decreasing along the direction towards the water collecting box 221, the impact force and vibration of the condensed water can be limited, and the noise can be reduced.

[0066] Alternatively, the diameter of the overflow pipe 2131 remains unchanged along the direction towards the water collecting box 221.

[0067] In the alternative embodiment of the mobile air conditioner, the water collecting space 212 is configured to match the shape of the indoor heat exchanger 310, including a first water collecting section 2121 and a second water collecting section 2122 connected by bending, the first water collecting section 2121 is provided with a drain hole 218, and the condensed water flows from the second water collecting section 2122 to the first water collecting section 2121 and flows to the drain hole 218.

[0068] By setting the drain hole 218 in the first water collecting section 2121, the condensed water can form a tendency to flow from the second water collecting section 2122 to the first water collecting section 2121, so that the condensed water is discharged through the drain hole 218.

[0069] In the alternative embodiment of the mobile air conditioner, the mobile air conditioner further comprises a first flow guide rib 216 and a second flow guide rib 217. A plurality of first flow guide ribs 216 are arranged at intervals on the first water retaining rib 214 and inclined towards the second water retaining rib 215 along the flow direction of the condensed water; a plurality of second flow guide ribs 217 are arranged at intervals on the side of the second water retaining rib 215 away from the first water retaining rib 214, and the second flow guide rib 217 has the same extension direction as the first flow guide rib 216.

[0070] Specifically, the water collecting space 212 matches the shape of the indoor heat exchanger 310. In this scheme, the indoor heat exchanger 310 is configured in the shape of L, and correspondingly, the first water retaining rib 214 and the second water retaining rib 215 are both L-shaped ribs. The water collecting space 212 includes a first water collecting section 2121 and a second water collecting section 2122 connected to each other. By setting the drain hole 218 in the first water collecting section 2121, the condensed water generated can flow from the second water collecting section 2122 to the first water collecting section 2121 to flow out of the water collecting space 212.

[0071] Further, the condensed water in the water receiving space 212 can be guided by the first flow guide 216 arranged on the side of the first water retaining rib 214 and the second flow guide 217 arranged on the side of the second water retaining rib 215. The first flow guide 216 is inclined towards the second water retaining rib 215 along the flow direction of the condensed water, and the second flow guide 217 has the same extension direction as the first flow guide 216, so that the condensed water can quickly flow towards the direction of the drain hole 218, and then be quickly guided out through the drain hole 218, thereby avoiding the accumulation of the condensed water.

[0072] Alternatively, the first flow guide 216 is not arranged, and / or the second flow guide 217 is not arranged.

[0073] Optionally, a drain connector is arranged around the circumference of the drain hole 218, and the drain connector is used to connect a drain pipe or a cover. Optionally, the drain connector extends out of the shell 100.

[0074] In the optional embodiment of the mobile air conditioner described above, a drain groove 219 is further included. The drain groove 219 is arranged at the end of the first water receiving section 2121 away from the second water receiving section 2122, and is in communication with the water receiving space 212. The drain hole 218 is arranged on the side groove wall or the bottom groove wall of the drain groove 219, and is arranged to connect a drain pipe or a cover.

[0075] By arranging the drain groove 219, the condensed water can be collected in the drain groove 219, and then be discharged through the drain hole 218 arranged on the side groove wall or the bottom groove wall of the drain groove 219. The flow path of the condensed water can be optimized, so that the condensed water can be discharged more smoothly, and the possibility of water accumulation in the water receiving space 212 can be reduced.

[0076] Optionally, the drain groove 219 is connected to the drain connector.

[0077] Alternatively, the drain groove 219 is not arranged.

[0078] In the optional embodiment of the mobile air conditioner described above, the part of the upper air duct plate 210 corresponding to the water receiving space 212 is recessed towards the direction of the lower air duct plate 220 to form the drain groove 219, and the drain hole 218 is arranged at the lowest part of the side groove wall or the bottom groove wall of the drain groove 219.

[0079] By recessing the part of the upper air duct plate 210 corresponding to the water receiving space 212 downwards to form the drain groove 219, the flow of the condensed water into the drain groove 219 can be improved. By arranging the drain hole 218 at the lowest part of the side groove wall or the bottom groove wall, the discharge of the condensed water can be ensured, and the retention of the condensed water in the drain groove 219 can be reduced.

[0080] Optionally, the bottom wall of the drain groove 219 can be configured as a circular arc to avoid the formation of flow dead angles. Further, the side walls of the drain groove 219 are configured as inclined walls, that is, the cross-sectional area of the drain groove 219 gradually decreases from the opening to the bottom wall. In this way, the flow of condensed water into the drain groove 219 can be facilitated.

[0081] Optionally, the first and second flow guide ribs 216 and 217 extend towards the drain groove 219.

[0082] Optionally, a circumferential edge is provided around the circumference of the upper air duct plate 210, and the water receiving space is formed between the first water barrier rib 214 and the corresponding circumferential edge. As a more preferred mode in this scheme, the drain hole 218 is provided in the circumferential edge.

[0083] Alternatively, a protruding rib is provided on the upper air duct plate and protrudes upward, and the protruding rib forms a circular space or other shaped space

[0084] In the optional embodiment of the mobile air conditioner described above, the overflow hole 213 is arranged corresponding to the first water receiving section 2121.

[0085] Since the flow direction of the condensed water is from the second water receiving section 2122 to the first water receiving section 2121, the first water receiving section 2121 will receive more condensed water. Therefore, by arranging the overflow hole 213 corresponding to the first water receiving section 2121, the overflow of the condensed water can be better guided.

[0086] Alternatively, the overflow hole 213 can also be arranged corresponding to the second water receiving section 2122.

[0087] In the optional embodiment of the mobile air conditioner described above, the first water barrier rib 214 is configured as an arc-shaped bent rib and forms the first and second water receiving sections 2121 and 2122 which are arc-shaped and bent in communication; and / or the second water barrier rib 215 is configured as an arc-shaped bent rib.

[0088] In this arrangement, the condensed water can be prevented from stagnating at the bend of the first and / or second water barrier rib 214 and 215, and flow dead angles can be avoided.

[0089] Alternatively, the first water barrier rib 214 is configured as a right-angle bent rib and / or the second water barrier rib 215 is configured as a right-angle bent rib.

[0090] In the optional embodiment of the mobile air conditioner described above, the upper surface of the upper air duct plate 210 is coated with a hydrophobic and antibacterial coating.

[0091] By coating the upper surface of the upper air duct plate 210 with a hydrophobic and antibacterial coating, the flowability of the condensed water can be improved, and at the same time, problems such as the formation of water scale and the breeding of bacteria in the water receiving space 212 can be prevented.

[0092] Alternatively, the upper surface of the upper plenum plate 210 is not coated with a hydrophobic antimicrobial coating.

[0093] Alternatively, the surface of the lower plenum plate 220 is coated with a hydrophobic antimicrobial coating.

[0094] Thus far, the technical solutions of the present application have been described in conjunction with the preferred embodiments shown in the drawings, but it will be readily understood by those skilled in the art that the scope of protection of the present application is obviously not limited to these specific embodiments. Those skilled in the art can make equivalent changes or replacements to the relevant technical features without departing from the principles of the present application, and the technical solutions after these changes or replacements will all fall within the scope of protection of the present application.

Claims

1. A mobile air conditioner characterized by comprising: The mobile air conditioner comprises: a housing, which internally defines a cavity; an outdoor air duct assembly arranged in the cavity, which comprises at least an upper air duct plate and a lower air duct plate arranged oppositely, wherein an indoor cavity is defined between the upper air duct plate and the housing, and the upper air duct plate is arranged to carry an indoor heat exchanger; a first water retaining rib arranged on an upper surface of the upper air duct plate and separating the upper air duct plate into a water receiving space and a fan mounting space; a second water retaining rib arranged in the water receiving space and arranged to carry the indoor heat exchanger, wherein the second water retaining rib has the same extension direction as the first water retaining rib and a height lower than that of the first water retaining rib; a water overflow hole arranged on the upper air duct plate corresponding to the fan mounting space and arranged close to the first water retaining rib; a water receiving box arranged on the lower air duct plate corresponding to the water overflow hole.

2. The mobile air conditioner according to claim 1, wherein a portion of the upper air duct plate corresponding to the fan mounting space is recessed towards the lower air duct plate and forms a recessed part, and the water overflow hole is arranged at the lowest part of the recessed part.

3. The mobile air conditioner of claim 1, wherein, Further comprising: a water overflow pipe arranged in the water overflow hole and extending towards the water receiving box.

4. The mobile air conditioner according to claim 3, wherein the diameter of the water overflow pipe gradually decreases along the direction towards the water receiving box.

5. The mobile air conditioner according to claim 1, wherein the water receiving space is configured to match the shape of the indoor heat exchanger and comprises a first water receiving section and a second water receiving section connected in a bent manner, the first water receiving section is provided with a water drain hole, and condensed water flows from the second water receiving section to the first water receiving section and then to the water drain hole.

6. The mobile air conditioner of claim 5, wherein, Further comprising: a plurality of first flow guide ribs arranged at intervals on the first water retaining rib and inclined towards the second water retaining rib along the flow direction of the condensed water; a plurality of second flow guide ribs arranged at intervals on the side of the second water retaining rib away from the first water retaining rib, wherein the second flow guide ribs have the same extension direction as the first flow guide ribs.

7. The mobile air conditioner of claim 6, wherein Further comprising: a water drain groove arranged at the end of the first water receiving section away from the second water receiving section; the water drain hole is arranged on the side groove wall or the bottom groove wall of the water drain groove and is arranged to be connected to a drain pipe or a cover.

8. The mobile air conditioner according to claim 7, wherein a portion of the upper air duct plate corresponding to the water receiving space is recessed towards the lower air duct plate and forms the water drain groove, and the water drain hole is arranged at the lowest part of the side groove wall or the bottom groove wall of the water drain groove.

9. The mobile air conditioner according to claim 5, wherein the water overflow hole is arranged corresponding to the first water receiving section; and / or the first water retaining rib is configured as an arc-shaped bent rib and forms the first water receiving section and the second water receiving section connected in an arc-shaped bent manner; and / or the second water retaining rib is configured as an arc-shaped bent rib.

10. The mobile air conditioner according to any one of claims 1 to 9, wherein the upper surface of the upper air duct plate is coated with a hydrophobic and antibacterial coating. ​