Heat exchanger assembly and mobile air conditioner

Abstract

The utility model relates to the technical field of air conditioners, particularly provides a heat exchanger assembly and a mobile air conditioner, and aims to solve the problem of low heat exchange efficiency of an outdoor heat exchanger and condensate water in the mobile air conditioner. In order to achieve the purpose, the heat exchanger assembly comprises a heat exchanger body, the heat exchanger body at least comprises an outer heat exchange part and an inner heat exchange part which extend in the vertical direction, the outer heat exchange part and the inner heat exchange part are arranged at intervals in the air flowing direction, and the top end edge of the inner heat exchange part is lower than the top end edge of the outer heat exchange part; and the baffle plate is obliquely arranged from the top end edge of the outer heat exchange part to the top end edge of the inner heat exchange part. The baffle plate can be used for blocking the water mist which is beaten up; most of water drops in the water mist flow to the inner heat exchange part along the obliquely arranged baffle plate, and a small part of the water drops flow to the outer heat exchange part after colliding with the baffle plate.

Description

TECHNICAL FIELD

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

[0002] At present, whether it is a hanging air conditioner or a vertical air conditioner, it needs to be fixedly installed in a limited position and cannot be moved. Therefore, mobile air conditioners emerge as the times require, and 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 arranged in the casing, the casing is provided with an indoor air inlet and an indoor air outlet corresponding to the indoor airflow circulation assembly, and the casing is also provided with an outdoor air inlet and an outdoor air outlet corresponding to the outdoor airflow circulation assembly. 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 position or room. During the operation of the mobile air conditioner, condensate water is generated on the indoor heat exchanger side, which needs to be discharged in time.

[0003] In the related art mobile air conditioner, the condensate water is mainly atomized and splashed onto the outdoor heat exchanger by the high-speed rotation of the water beating wheel, so that the condensate water absorbs heat and evaporates. However, due to the single direction of the water beating wheel, most of the atomized condensate water is directly thrown upwards, and the water mist area in contact with the outdoor heat exchanger is limited, and the heat exchange efficiency of the outdoor heat exchanger is low. SUMMARY

[0004] The utility model aims at solving the above technical problem, that is, solving the problem of low heat exchange efficiency of the outdoor heat exchanger and the condensate water in the mobile air conditioner.

[0005] In a first aspect, the utility model provides a heat exchanger assembly, comprising: a heat exchanger main body, at least comprising an outer heat exchange part and an inner heat exchange part which are vertically extended, the outer heat exchange part and the inner heat exchange part are arranged at intervals along the flow direction of air, wherein the top end edge of the inner heat exchange part is lower than the top end edge of the outer heat exchange part; a baffle is arranged obliquely from the top end edge of the outer heat exchange part to the top end edge of the inner heat exchange part.

[0006] In the technical scheme, the water mist lifted between the outer heat exchange part and the inner heat exchange part is blocked by the shielding plate, most of the water droplets in the water mist flow to the inner heat exchange part along the shielding plate, and a small part of the water droplets flow to the outer heat exchange part after colliding with the shielding plate. In this way, the uniformity and contact area of the water mist distributed on the heat exchanger body can be improved, the heat exchange amount of the heat exchanger body and the water can be improved, and the heat exchange efficiency of the heat exchanger body can be improved. In addition, the shielding plate arranged obliquely can guide the air flowing into the top edge of the outer heat exchange part, change the flow direction, reduce the resistance, avoid the local air flow rate being too fast, and reduce the influence on the water mist.

[0007] In an optional embodiment of the heat exchanger assembly, the shielding plate extends along the length direction of the heat exchanger body, and includes an inclined section and a flat section. The inclined section includes a main body and a folded edge. The folded edge is formed on one side of the main body and extends along the length direction of the heat exchanger body and abuts against the leeward side of the outer heat exchange part. The flat section is connected to the side of the main body away from the folded edge and covers at least part of the top edge of the inner heat exchange part.

[0008] The abutment of the inclined section and the outer heat exchange part is realized by the folded edge, which can improve the sealing and stability of the connection between the shielding plate and the outer heat exchange part. The flat section is arranged to improve the sealing and stability of the connection between the shielding plate and the inner heat exchange part, and the water flowing down the inclined section can flow along the flat section, thereby improving the cooling effect of the water mist on the inner heat exchange part.

[0009] In an optional embodiment of the heat exchanger assembly, the lower surface of the inclined section is provided with a plurality of guide strips extending from the top edge of the outer heat exchange part to the top edge of the inner heat exchange part, and the plurality of guide strips are spaced apart along the length direction of the heat exchanger body.

[0010] The guide strips can further improve the water mist guiding effect.

[0011] In an optional embodiment of the heat exchanger assembly, the left end of the outer heat exchange part is arranged in a gap with the left end of the inner heat exchange part, and the right end of the outer heat exchange part is adjacent to the right end of the inner heat exchange part, or the right end of the outer heat exchange part is arranged in a gap with the right end of the inner heat exchange part.

[0012] In this way, a space is formed between the left ends of the inner heat exchange part and the outer heat exchange part, which facilitates the lifting of water between the two parts to form water mist, thereby achieving cooling of the two parts.

[0013] In the alternative embodiment of the heat exchanger assembly, a water distribution box is further included, configured to receive the condensed water, formed on the flat plate section, and a water distribution disc is formed in the water distribution box, and the water distribution disc is provided with water distribution holes corresponding to the inner heat exchange portion.

[0014] With the water distribution box, the condensed water during the operation of the mobile air conditioner can be received, and dripped to the top edge of the inner heat exchange portion through the water distribution holes, so as to improve the cooling effect of the inner heat exchange portion. The condensed water that is not evaporated flows downward along the surface of the inner heat exchange portion, and cools the lower part of the inner heat exchange portion.

[0015] In the alternative embodiment of the heat exchanger assembly, the water distribution disc is formed by recessing part of the flat plate section in a direction away from the inner heat exchange portion.

[0016] In this way, the integration of the water distribution disc and the flat plate section can be improved, and a certain spacing is formed between the water distribution disc and the top edge of the inner heat exchange portion, so as to form a water column and drop downward, and improve the uniformity of the condensed water cooling.

[0017] In the alternative embodiment of the heat exchanger assembly, the upper surface of the water distribution disc is formed with a first blocking portion extending upward, and the first blocking portion extends around the circumference of the water distribution hole and is annular.

[0018] With the first blocking portion, the water height in the water distribution box is higher than the height of the first blocking portion before flowing out through the water distribution hole, so as to ensure the uniformity of the water in each water distribution hole, improve the uniformity of the water on the water distribution disc to the inner heat exchange portion, and ensure the uniformity of the water out of the water distribution hole, and improve the heat exchange uniformity of the condensed water and the inner heat exchange portion.

[0019] In a second aspect, the utility model provides a kind of mobile air conditioner, comprising: water storage tank, it is arranged below the heat exchanger main body, it is configured to store condensed water;Water beating piece, it is rotatably arranged in the water storage tank, and it is located between the inner heat exchange portion and the outer heat exchange portion.

[0020] In the case of using the above technical solution, water is stored in the water storage tank, and in the case of water beating piece operation, water is scattered and lifted, and the lifted water mist is blocked by the baffle. Most of the water droplets in the water mist flow to the inner heat exchange portion along the inclined baffle, and a small part flows to the outer heat exchange portion after colliding with the baffle. In this way, the uniformity of the water mist distribution to the heat exchanger main body can be improved, the heat exchange amount of the heat exchanger main body and the water can be improved, and the heat exchange efficiency of the heat exchanger main body can be improved.

[0021] In the alternative embodiment of the heat exchanger assembly, the water distribution box and the water beating piece are arranged in a staggered manner.

[0022] By setting the water distribution box and the water hitting part in a staggered arrangement, the water mist raised by the water hitting part can be used to dissipate heat in the area that the water distribution box cannot cover, thereby improving the heat exchange efficiency of the heat exchanger body.

[0023] In the optional embodiment of the heat exchanger assembly, a water collecting box is further included, which is arranged above the heat exchanger body and is configured to collect condensed water, and a bottom wall of the water collecting box is provided with a drain hole.

[0024] By arranging the water collecting box, the condensed water generated during the operation of the mobile air conditioner can be collected, and the collected condensed water can flow into the top end of the heat exchanger body 100, i.e., the baffle, and further flow downward along the surface of the baffle and the inner heat exchange part. BRIEF DESCRIPTION OF DRAWINGS

[0025] The preferred embodiments of the present application will be described below with reference to the accompanying drawings, in which:

[0026] Figure 1 is a structural schematic view of a heat exchanger assembly and a base plate provided by the present application;

[0027] Figure 2 is an exploded schematic view of a heat exchanger assembly and a base plate provided by the present application;

[0028] Figure 3 is a cross-sectional schematic view of a heat exchanger assembly and a base plate provided by the present application;

[0029] Figure 4 is a structural schematic view of a baffle provided by the present application;

[0030] Figure 5 is a cross-sectional schematic view of a baffle provided by the present application;

[0031] Figure 6 is a structural schematic view of a part of a mobile air conditioner provided by the present application;

[0032] Figure 7 is a cross-sectional schematic view of another part of a mobile air conditioner provided by the present application;

[0033] Figure 8 is Figure 7 a local enlarged schematic view;

[0034] Figure 9 is a partial structural schematic view of a mobile air conditioner provided by the present application;

[0035] Figure 10 is a partial structural schematic view of another mobile air conditioner provided by the present application.

[0036] EXPLANATION OF REFERENCE NUMERALS:

[0037] 10, housing; 11, chassis; 20, outdoor air duct assembly; 21, upper air duct plate; 22, lower air duct plate; 23, outdoor fan;

[0038] 100, heat exchanger main body; 110, outer heat exchange part; 120, inner heat exchange part;

[0039] 200, shielding plate; 210, inclined section; 211, main body part; 212, folded edge; 220, flat section;

[0040] 300, water distribution box; 310, water distribution plate; 311, water distribution hole; 312, second enclosing part; 400, water collecting box;

[0041] 410, bottom box wall; 411, drainage hole; 412, extension section; 313, first enclosing part;

[0042] 500, water storage tank;

[0043] 600, water hitting part; 610, water hitting motor; 620, water hitting wheel. DETAILED DESCRIPTION

[0044] The preferred embodiments of the present application will be described below with reference to the 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.

[0045] It should be noted that in the description of the present application, the terms indicating the direction or positional relationship of "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 descriptive purposes and cannot be understood as indicating or implying relative importance.

[0046] 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. Those skilled in the art can understand the specific meaning of the above terms in the present application according to the specific circumstances.

[0047] In a first aspect, in combination with Figures 1 to 5 As shown in the utility model provides a heat exchanger assembly, including heat exchanger main body 100 and baffle 200.

[0048] Heat exchanger main body 100, at least including the outer heat exchange portion 110 and inner heat exchange portion 120 along vertical extension, the outer heat exchange portion 110 and inner heat exchange portion 120 are arranged along the flow direction of air interval, wherein, the top end edge of inner heat exchange portion 120 is lower than the top end edge of outer heat exchange portion 110. Baffle 200 is arranged by the top end edge of outer heat exchange portion 110 to the top end edge of inner heat exchange portion 120 inclination.

[0049] Optionally, the heat exchanger assembly is used for mobile air conditioner. Mobile air conditioner has indoor cavity and outdoor cavity. Heat exchanger main body 100 is arranged in outdoor cavity. Heat exchanger main body 100 includes windward side and leeward side, wherein, windward side is towards the flow direction of air. In the scheme, outer heat exchange portion 110 is the windward side of heat exchanger main body 100. Outer heat exchange portion 110 and inner heat exchange portion 120 are arranged along the flow direction of air interval, therefore, air flows through outer heat exchange portion 110 and inner heat exchange portion 120 in turn. Wherein, outer heat exchange portion 110 and inner heat exchange portion 120 are arranged along vertical extension.

[0050] Optionally, the top end edge of inner heat exchange portion 120 is lower than the top end edge of outer heat exchange portion 110, and the baffle 200 is arranged at the top end edges of the two. Therefore, the baffle 200 is arranged downwardly inclined from the top end edge of the outer heat exchange portion 110 to the top end edge of the inner heat exchange portion 120.

[0051] In addition, the inclined baffle 200 can also guide the air flowing into the top end edge of the outer heat exchange portion 110, change the flow direction, reduce the resistance, avoid the local air flow rate of the top end edge being too fast, and reduce the influence of air flow on water mist.

[0052] Optionally, the outer heat exchange portion 110 is configured as an L shape, and correspondingly, the inner heat exchange portion 120 is configured as an L shape.

[0053] Alternatively, the outer heat exchange portion 110 is configured as a flat plate shape, and correspondingly, the inner heat exchange portion 120 is configured as a flat plate shape.

[0054] Optionally, the outer heat exchange portion 110 and the inner heat exchange portion 120 are connected in series.

[0055] Alternatively, the outer heat exchange portion 110 and the inner heat exchange portion 120 are connected in parallel.

[0056] Optionally, the left side and the right side of the heat exchanger main body 100 are respectively provided with a left end plate and a right end plate, and the baffle 200 is fixedly connected with the left end plate and the right end plate respectively.

[0057] In the above technical solution, the water mist raised between the outer heat exchange part 110 and the inner heat exchange part 120 is blocked by the shielding plate 200. Most of the water droplets in the water mist flow along the shielding plate 200 which is arranged obliquely, and flow to the inner heat exchange part 120. A small part of the water droplets flow to the outer heat exchange part 110 after colliding with the shielding plate 200. In this way, the uniformity of the water distribution on the heat exchanger body 100 is improved, the contact area between the heat exchanger body 100 and the water mist is increased, and the heat exchange amount is increased, thereby improving the heat exchange efficiency of the heat exchanger body 100. In addition, the shielding plate 200 arranged obliquely can also guide the air flowing into the top edge of the outer heat exchange part 110, change the flow direction, reduce the resistance, avoid the local air flow speed being too fast, and reduce the influence on the water mist.

[0058] In the above optional embodiment of the heat exchanger assembly, the shielding plate 200 extends along the length direction of the heat exchanger body 100, and includes an inclined section 210 and a flat section 220. The inclined section 210 includes a main body part 211 and a folded edge 212. The folded edge 212 is formed on one side of the main body part 210, extends along the length direction of the heat exchanger body 100, and abuts against the leeward side of the outer heat exchange part 110. The flat section 220 is connected to the side of the main body part 211 away from the folded edge 212, and covers at least part of the top edge of the inner heat exchange part 120. Figure 4 、 Figure 5 The shielding plate 200 extends along the length direction of the heat exchanger body 100, and includes an inclined section 210 and a flat section 220. The inclined section 210 includes a main body part 211 and a folded edge 212. The folded edge 212 is formed on one side of the main body part 210, extends along the length direction of the heat exchanger body 100, and abuts against the leeward side of the outer heat exchange part 110. The flat section 220 is connected to the side of the main body part 211 away from the folded edge 212, and covers at least part of the top edge of the inner heat exchange part 120.

[0059] The abutment of the inclined section 210 and the outer heat exchange part 110 through the folded edge 212 can improve the sealing and stability of the connection between the shielding plate 200 and the outer heat exchange part 110. The flat section 220 can improve the sealing and stability of the connection between the shielding plate 200 and the inner heat exchange part 120, and the water flowing down the inclined section 210 can flow along the flat section 220, thereby improving the cooling effect of the water mist on the inner heat exchange part 120.

[0060] Alternatively, the outer heat exchange part 110 is arranged obliquely, and the folded edge 212 is arranged parallel to the inner side of the outer heat exchange part 110. The inner side refers to the side of the outer heat exchange part 110 facing the inner heat exchange part 120.

[0061] In the above optional embodiment of the heat exchanger assembly, the lower surface of the inclined section 210 is provided with a plurality of guide strips extending from the top edge of the outer heat exchange part 110 to the top edge of the inner heat exchange part 120, and the plurality of guide strips are spaced apart along the length direction of the heat exchanger body 100.

[0062] The guide strips can further improve the water mist guiding effect.

[0063] Alternatively, the guide strip is arranged obliquely from the top edge of the outer heat exchange portion 110 to the top edge of the inner heat exchange portion 120. The oblique angle is greater than or equal to 0° and less than or equal to 60°.

[0064] In the alternative embodiment of the heat exchanger assembly, the left side end of the outer heat exchange portion is arranged in a gap with the left side end of the inner heat exchange portion, and the right side end of the outer heat exchange portion is adjacent to the right side end of the inner heat exchange portion, or the right side end of the outer heat exchange portion is arranged in a gap with the right side end of the inner heat exchange portion.

[0065] In this way, a space is formed between the left side ends of the inner heat exchange portion and the outer heat exchange portion, so as to facilitate water lifting and water mist formation between the two, thereby achieving cooling of the two.

[0066] Optionally, the outer heat exchange portion 110 and the inner heat exchange portion 120 are connected in series or in parallel.

[0067] By connecting the outer heat exchange portion 110 and the inner heat exchange portion 120 in series, the total heat transfer coefficient of the heat exchanger body can be increased, thereby improving the heat exchange effect of the heat exchanger body.

[0068] Specifically, the left side end of the outer heat exchange portion 110 is arranged in a gap with the left side end of the inner heat exchange portion 120, and the right side end of the outer heat exchange portion 110 is connected with the right side end of the inner heat exchange portion 120.

[0069] By connecting the outer heat exchange portion 110 and the inner heat exchange portion 120 in parallel, the outer heat exchange portion 110 and the inner heat exchange portion 120 can be independent heat exchange units and work in parallel. Even if one of them fails or fails, the other one can still work, thereby ensuring the continuity and stability of the operation of the heat exchanger body.

[0070] Specifically, the left side end of the outer heat exchange portion 110 is arranged in a gap with the left side end of the inner heat exchange portion 120, and the right side end of the outer heat exchange portion 110 is arranged in a gap with the right side end of the inner heat exchange portion 120.

[0071] In the alternative embodiment of the heat exchanger assembly, a water distribution box 300 is further included. The water distribution box 300 is arranged to receive condensed water and is formed on the flat plate section 220, and a water distribution disc 310 is formed in the water distribution box 300, and the water distribution disc 310 is provided with water distribution holes 311 corresponding to the inner heat exchange portion.

[0072] By arranging the water distribution box 300, the condensed water during the operation of the mobile air conditioner can be received, and dripped to the top edge of the inner heat exchange portion 120 through the water distribution holes 311, thereby improving the cooling effect of the inner heat exchange portion 120. The unevaporated condensed water flows downward along the surface of the inner heat exchange portion 120 to cool the lower part of the inner heat exchange portion 120.

[0073] Optionally, the water distribution box 300 covers part of the top edge of the inner heat exchange portion 120 in the width direction of the inner heat exchange portion 120. Alternatively, the water distribution box 300 covers the entire top edge of the inner heat exchange portion 120 in the width direction of the inner heat exchange portion 120. The top edge of the inner heat exchange portion 120 herein refers to part of the top edge or the entire top edge in the length direction. It should be noted that the width direction of the inner heat exchange portion 120 refers to the direction from the inner side of the inner heat exchange portion 120 to the outer side. The inner side of the inner heat exchange portion 120 refers to the side facing the outer heat exchange portion 110.

[0074] Optionally, the distance between adjacent water distribution holes 311 is equal, so as to improve the uniformity of water distribution of the water distribution box 300. Alternatively, the distance between adjacent water distribution holes 311 is not equal.

[0075] Optionally, the diameter of the water distribution hole 311 is greater than or equal to 2 mm and less than or equal to 8 mm. Preferably, the diameter of the water distribution hole 311 is 6 mm.

[0076] Optionally, the shape of the water distribution hole 311 is a circular hole, a square hole, a polygonal hole, an elliptical hole, etc.

[0077] Optionally, the water distribution box 300 is integrally formed with the shielding plate 200.

[0078] Alternatively, the water distribution box 300 is not provided.

[0079] In the optional embodiment of the heat exchanger assembly described above, the water distribution plate 310 is recessed from the part of the flat section 220 in the direction away from the inner heat exchange portion 120.

[0080] In this way, the integrality of the water distribution plate 310 and the flat section 220 can be improved, and a certain spacing is formed between the water distribution plate 310 and the top edge of the inner heat exchange portion 120, so as to form a water column and drop downward for the condensed water, and improve the uniformity of the condensed water cooling.

[0081] Specifically, the water distribution box 300 includes a water distribution side wall and a water supply bottom wall, the water supply bottom wall is recessed from the part of the flat section 220 in the direction away from the inner heat exchange portion 120, and the water distribution side wall is integrally formed with the flat section 220 to ensure the sealing of the water distribution box 300 and avoid water leakage.

[0082] In the optional embodiment of the heat exchanger assembly described above, the upper surface of the water distribution plate 310 is formed with a first surrounding portion 312 extending upward, the first surrounding portion 312 extends around the circumferential direction of the water distribution hole 311 and is annular.

[0083] The water in the water distribution box 300 can be higher than the height of the first enclosing part 312, and then flows out through the water distribution holes 311, so that the uniformity of the water in each water distribution hole 311 can be ensured, the uniformity of the water distribution on the water distribution plate 310 to the inner heat exchange part 120 is improved, the uniformity of the water flowing out of the water distribution hole 311 is ensured, and the heat exchange uniformity of the condensed water and the inner heat exchange part 120 is improved.

[0084] Alternatively, the first enclosing part 312 is not arranged.

[0085] In the second aspect, in combination with Figures 1 to 10 As shown in the figure, the utility model provides a kind of mobile air conditioner, including water storage tank 500, water beating piece 600 and like aforementioned heat exchanger assembly.

[0086] Water storage tank 500 is arranged below heat exchanger main body 100, and is arranged to store water.Water beating piece 600 is rotatably arranged in water storage tank 500, and is located between inner heat exchange part 120 and outer heat exchange part 110.

[0087] In the case of using the above technical scheme, water is stored in water storage tank 500, and in the case that water beating piece 600 operates, water is scattered and lifted, and the water mist lifted is blocked by baffle 200.Most of the water droplets in the water mist flow to inner heat exchange part 120 along the baffle 200 arranged obliquely, and a small part flows to outer heat exchange part 110 after colliding with baffle 200.In this way, the uniformity of the distribution of water mist to heat exchanger main body 100 can be improved, the heat exchange amount of heat exchanger main body 100 and water is improved, and thus the heat exchange efficiency of heat exchanger main body 100 is improved.

[0088] Optionally, water storage tank 500 is arranged below heat exchanger main body 100, and water beating piece 600 is arranged in water storage tank 500.In the case that heat exchanger main body 100 operates as a condenser, a large amount of heat will be released, in order to realize the cooling of heat exchanger main body 100, water beating piece 600 is used to stir the water in water storage tank 500 to form water mist, which adheres to the surface of outer heat exchange part 110 and inner heat exchange part 120, so that the heat released in heat exchanger main body 100 is taken away by the evaporation of water mist.Further, when air flows through outer heat exchange part 110 and inner heat exchange part 120 in sequence, the flow of surrounding air can be driven, and the heat released by heat exchanger main body 100 can also be taken away.

[0089] Optionally, water beating piece 600 at least includes water beating motor 610 and water beating wheel 620.Water beating motor 610 is used to drive the rotation of water beating wheel 620, so as to stir the water in water storage tank 500 to form water mist.

[0090] Optionally, the water mist raised by the water splashing member 600 moves mostly upwards until colliding with the baffle 200. Due to the inclined arrangement of the baffle 200, a part of the water mist adheres to the lower surface of the baffle 200 and slides along the baffle 200 towards the top end edge of the inner heat exchange portion 120 under the action of gravity. The water mist that has not evaporated at the top end edge of the inner heat exchange portion 120 further moves downwards along the surface of the inner heat exchange portion 120, thereby improving the uniformity of heat exchange between the water and the inner heat exchange portion 120. Another part of the water mist splashes to the top end edge of the outer heat exchange portion 110 after colliding with the baffle 200, thereby improving the uniformity of heat exchange between the water and the outer heat exchange portion 110. In this way, the heat exchange efficiency between the water and the heat exchanger main body 100 can be improved.

[0091] Optionally, the mobile air conditioner comprises a housing 10, and a partition plate is arranged in the housing 10. The partition plate divides the interior of the housing 10 into an indoor cavity and an outdoor cavity. The heat exchanger assembly as described above is arranged in the outdoor cavity. Specifically, an outdoor air duct assembly 20 is arranged in the outdoor cavity, and the outdoor air duct assembly comprises oppositely arranged upper and lower air duct plates 21 and 22. The upper air duct plate 21 constitutes the partition plate, and the heat exchanger main body 100 is arranged between the lower air duct plate 22 and the water storage tank 500. Further, an outdoor fan 23 is arranged in the outdoor air duct assembly 20. The outdoor fan 23 drives air to flow through the outer heat exchange portion 110 and the inner heat exchange portion 120 in sequence.

[0092] In this scheme, the housing 10 comprises a chassis 11, and the water storage tank 500 is arranged on the chassis 11. The left and right end plates of the heat exchanger main body 100 are fixedly connected to the chassis, respectively.

[0093] In the optional embodiment of the mobile air conditioner described above, the water distribution box 300 and the water splashing member 600 are arranged in a staggered manner.

[0094] By arranging the water distribution box 300 and the water splashing member 600 in a staggered manner, the water mist raised by the water splashing member 600 can be used to dissipate heat in the area that cannot be covered by the water distribution box 300, thereby improving the heat exchange efficiency of the heat exchanger main body 100.

[0095] Alternatively, the water distribution box 300 completely covers the top end edge of the inner heat exchange portion 120 in the length direction of the inner heat exchange portion 120.

[0096] In the optional embodiment of the mobile air conditioner described above, a water collecting box 400 is further included. The water collecting box 400 is arranged above the heat exchanger main body 100 and is configured to collect condensed water. The bottom box wall 410 of the water collecting box 400 is provided with a drain hole 411.

[0097] By setting the water collecting box 400, the condensed water generated during the operation of the mobile air conditioner can be collected. The collected condensed water flows into the top end of the heat exchanger main body 100 through the drain hole 411 and further flows downward along the upper surface of the baffle plate 200 and the surface of the inner heat exchange part 120.

[0098] Specifically, the water collecting box 400 is arranged above the water distribution box 300, and the drain hole 411 corresponds to the water distribution box 300. In this way, the condensed water collected in the water collecting box 400 can flow into the water distribution box 300 and drip onto the inner heat exchange part through the water distribution hole 311.

[0099] Further, the water collecting box 400 is arranged on the lower air duct plate 22 and located between the upper air duct plate 21 and the lower air duct plate 22.

[0100] Optionally, the distance between adjacent drain holes 411 is equal, so as to improve the uniformity of water drainage of the water collecting box 400. Alternatively, the distance between adjacent drain holes 411 is not equal. Optionally, the diameter of the drain hole 411 is greater than or equal to 2 mm and less than or equal to 8 mm. Preferably, the diameter of the drain hole 411 is 6 mm.

[0101] Optionally, the shape of the drain hole 411 is a circular hole, a square hole, a polygonal hole, an elliptical hole, etc.

[0102] Optionally, the lower surface of the bottom box wall 410 forms an extension section 412 connected with the drain hole 411, and the extension section 412 extends towards the water distribution plate 310.

[0103] By setting the extension section 412 below the drain hole 411, the water flowing out of the water collecting box 400 can be guided to form a water column flowing downward, so as to avoid the formation of a liquid film on the lower surface of the bottom box wall 410 to block the drain hole 411 under the influence of the surface tension and viscosity of the water, thereby improving the flowability of the water.

[0104] Optionally, the diameter of the extension section 412 gradually decreases from the bottom box wall 410 to the water distribution plate 310.

[0105] Alternatively, the extension section 412 is not provided.

[0106] Optionally, the upper surface of the bottom box wall 410 forms a second enclosing part 413 extending upward, and the second enclosing part 413 extends around the circumference of the drain hole 411 and is annular.

[0107] Through the setting of the second enclosing part 413, the water height in the water collecting box 400 can be higher than the height of the second enclosing part 413 and then flows out through the drain hole 411, so that the uniformity of water in each drain hole 411 can be ensured, the uniformity of water distribution on the water distribution plate 310 is improved, and then the uniformity of water outflow of the water distribution hole 311 is improved, and the heat exchange uniformity of the condensed water and the inner heat exchange part 120 is improved.

[0108] Alternatively, the second enclosing part 413 is not arranged.

[0109] The water collecting box 400 is arranged on the lower air duct plate 22 and located between the upper air duct plate 21 and the lower air duct plate 22.

[0110] Optionally, the drain hole 411 and the water distribution hole 311 are arranged in a staggered manner.

[0111] By arranging the drain hole 411 and the water distribution hole 311 in a staggered manner, the bottom box wall 410 of the water collecting box 400 and the hole on the water distribution plate 310 can be directly corresponding, so that the concentration phenomenon of liquid in a certain area of the water distribution plate 310 is reduced, and then it is helpful to ensure that the water can be more evenly dispersed and distributed to the top end of the inner heat exchange part 120 through the water distribution hole 311.

[0112] Alternatively, the drain hole 411 and the water distribution hole 311 are arranged in a corresponding manner, and the diameter of the water distribution hole 311 is smaller than the diameter of the drain hole 411.

[0113] So far, the technical scheme of the utility model has been described in combination with the preferred embodiments shown in the drawings, but it is easy for those skilled in the art to understand that the protection scope of the utility model is obviously not limited to these specific embodiments. Those skilled in the art can make equivalent changes or replacements to the related technical features without departing from the principles of the utility model, and the technical schemes after the changes or replacements will fall within the protection scope of the utility model.

Claims

1. A heat exchanger assembly, characterized by The heat exchanger assembly comprises: a heat exchanger body (100) comprising at least an outer heat exchange portion (110) and an inner heat exchange portion (120) extending along a vertical direction, the outer heat exchange portion (110) and the inner heat exchange portion (120) being arranged in a spaced manner along a flow direction of air, wherein a top edge of the inner heat exchange portion (120) is lower than a top edge of the outer heat exchange portion (110); a baffle plate (200) arranged in an inclined manner from the top edge of the outer heat exchange portion (110) to the top edge of the inner heat exchange portion (120).

2. The heat exchanger assembly of claim 1, wherein, The baffle plate (200) extends along a length direction of the heat exchanger body (100) and comprises: an inclined section (210) comprising a main body portion (211) and a folded edge (212) formed on one side of the main body portion (211), the folded edge (212) extending along the length direction of the heat exchanger body (100) and abutting against a leeward side of the outer heat exchange portion (110); a flat plate section (220) connected to a side of the main body portion (211) away from the folded edge (212) and covering at least a part of the top edge of the inner heat exchange portion (120).

3. The heat exchanger assembly according to claim 2, wherein a lower surface of the inclined section (210) is provided with a plurality of flow guide strips extending from the top edge of the outer heat exchange portion (110) to the top edge of the inner heat exchange portion (120), and the plurality of flow guide strips are arranged in a spaced manner along the length direction of the heat exchanger body (100).

4. The heat exchanger assembly according to claim 1, wherein a left side end of the outer heat exchange portion is arranged in a spaced manner with a left side end of the inner heat exchange portion; a right side end of the outer heat exchange portion is adjacent to a right side end of the inner heat exchange portion, or the right side end of the outer heat exchange portion is arranged in a spaced manner with the right side end of the inner heat exchange portion.

5. The heat exchanger assembly of claim 2, wherein, The heat exchanger assembly further comprises: a water distribution box (300) arranged to receive condensed water, formed in the flat plate section (220), and a water distribution disc (310) formed in the water distribution box (300), the water distribution disc (310) being provided with water distribution holes (311) corresponding to the inner heat exchange portion (120).

6. The heat exchanger assembly according to claim 5, wherein the water distribution disc (310) is formed in a recessed manner from a part of the flat plate section (220) in a direction away from the inner heat exchange portion (120).

7. The heat exchanger assembly of claim 5, wherein, an upper surface of the water distribution disc (310) is formed with a first enclosing portion (312) extending upward, the first enclosing portion (312) extending in a circumferential direction of the water distribution hole (311) and being annular.

8. A mobile air conditioner characterized by comprising: The heat exchanger assembly comprises: the heat exchanger assembly according to any one of claims 1 to 7; and a water storage tank (500) arranged below the heat exchanger body (100) and arranged to store condensed water; a water beating member (600) rotatably arranged in the water storage tank (500) and located between the inner heat exchange portion (120) and the outer heat exchange portion (110).

9. The mobile air conditioner according to claim 8, wherein the water distribution box (300) and the water beating member (600) are arranged in a staggered manner. The heat exchanger assembly further comprises:

10. The mobile air conditioner of claim 8, wherein, ​ A water collecting box (400) is arranged above the heat exchanger main body (100), the water collecting box (400) is arranged to collect condensed water, and a bottom box wall (410) of the water collecting box (400) is provided with a drain hole (411).

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