Heat exchange assembly and air conditioner indoor unit

Abstract

The invention discloses a heat exchange assembly and an air conditioner indoor unit, the heat exchange assembly comprises at least two heat exchangers, the heat exchangers are sequentially arranged in the transverse direction, and the heat exchangers comprise the first heat exchanger located on the outermost side in the transverse direction and the second heat exchanger adjacent to the first heat exchanger. The first heat exchanger comprises a first end located at the lower end and a second end located at the upper end. The second heat exchanger comprises a third end located at the lower end and a fourth end located at the upper end, the fourth end and the second end are close to each other, and the third end and the first end are spaced from each other. A first avoiding notch is formed in the side, away from the third end, of the first end so as to avoid the side wall of the water pan, air can pass through the first avoiding notch more easily, and therefore the air resistance of the heat exchanger is reduced, and the heat exchange efficiency is effectively improved. Comprising the heat exchange assembly can be beneficial to improving the heat exchange efficiency and reducing the wind resistance, so that the fan power is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of household appliances, and in particular to a heat exchange component and an indoor unit of an air conditioner. Background Art

[0002] Air handling equipment, such as air conditioning equipment, usually uses a fan to make air flow through a heat exchanger to achieve heat exchange of the air flowing through it, so as to adjust the temperature and humidity of the air. Improving heat exchange efficiency and reducing fan power means that better heat exchange capacity can be fully utilized to achieve higher energy efficiency requirements. In commonly used air conditioning equipment, the fan power can be reduced by reducing the resistance of the air duct, reducing the resistance of the heat exchanger, improving the fan efficiency, and increasing the cooling / heating heat exchange effect by increasing the air volume. When the air outlet size of the air duct is small, the heat exchange area that can be configured is small, and the air volume needs to be increased to achieve the expected heat exchange effect. The increase in air volume will lead to a linear increase in fan power, which is not conducive to the improvement of energy efficiency, and thus it is difficult to meet higher energy efficiency standards. Summary of the invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a heat exchange component, which can help reduce the wind resistance of the heat exchanger and improve the heat exchange effect.

[0004] The invention also provides an air-conditioner indoor unit having the heat exchange component.

[0005] According to the first aspect of the present invention, the heat exchange component of the embodiment includes at least two heat exchangers, each of which is arranged in sequence along the transverse direction, and the at least two heat exchangers include a first heat exchanger located at the outermost side along the transverse direction, and a second heat exchanger adjacent to the first heat exchanger, wherein the first heat exchanger includes a first end located at the lower end, and a second end located at the upper end; the second heat exchanger includes a third end located at the lower end, and a fourth end located at the upper end, the fourth end and the second end are close to each other, and the third end and the first end are spaced apart from each other; a first avoidance gap is provided on the side of the first end away from the third end to avoid the side wall of the water receiving tray.

[0006] The heat exchange component according to the embodiment of the present invention has at least the following beneficial effects: the first heat exchanger and the second heat exchanger are close to each other at one end and spaced from each other at the other end, and the two are arranged at an angle to form a vent for air to pass through. The first avoidance notch arranged at the first end of the first heat exchanger can avoid the side wall of the water receiving tray on the side away from the second heat exchanger, which is more conducive to the passage of wind, thereby reducing the wind resistance of the heat exchanger, effectively improving the heat exchange efficiency, and being applied to the indoor unit of the air conditioner to help reduce the fan power.

[0007] According to the heat exchange assembly of some embodiments of the present invention, a second avoidance gap is provided on a side of the second end portion facing the fourth end portion, for avoiding the fourth end portion.

[0008] According to some embodiments of the heat exchange assembly of the present invention, the second end and the fourth end are in contact with each other on the sides facing each other; or, there is a splicing gap between the second end and the fourth end on the sides facing each other; or, on the projection plane parallel to the lateral and up-down directions, the second end and the fourth end on the sides facing each other have a partial overlap.

[0009] According to some embodiments of the heat exchange assembly of the present invention, a third avoidance gap is provided on the side of the first end facing the third end, and on the projection plane parallel to the lateral and up and down directions, the distance between the lower end of the third avoidance gap and the lower end of the first avoidance gap is X1, and the distance between the upper end of the third avoidance gap and the upper end of the first avoidance gap is X2, and X1<X2.

[0010] According to some embodiments of the heat exchange assembly of the present invention, the first heat exchanger includes a plurality of fins arranged at intervals, and the arrangement direction of each fin is perpendicular to the up and down direction and the horizontal direction, wherein the direction from the first end to the second end is the first direction, and along the first direction, the fin has a lower end and an upper end, and the upper end of at least part of the fins is provided with a first notch on a side away from the third end, and the first notches together constitute the first avoidance notch.

[0011] According to some embodiments of the heat exchange assembly of the present invention, the fin has a first side and a second side along a second direction, the second direction is perpendicular to the first direction, and the second side faces the second heat exchanger; the first notch has a first hypotenuse, the upper end of the first hypotenuse is connected to the first side, and the lower end is downward away from the first side.

[0012] According to some embodiments of the heat exchange assembly of the present invention, the first notch also has a first cut edge, which is connected between the first side edge and the upper end of the first bevel; or, the first notch also has a first cut edge and a second cut edge, which is connected to the first side edge and the second cut edge is connected between the first cut edge and the upper end of the first bevel.

[0013] According to some embodiments of the heat exchange assembly of the present invention, a second avoidance gap is provided on the side of the second end toward the fourth end for avoiding the fourth end; wherein a second gap is provided on the side of the upper end of each fin toward the fourth end, and each of the second gaps together constitutes the second avoidance gap.

[0014] According to some embodiments of the heat exchange assembly of the present invention, the second notch has a second bevel, the lower end of the second bevel is connected to the second side edge, and the upper end faces upward away from the second side edge.

[0015] According to some other embodiments of the present invention, the heat exchange assembly includes at least two heat exchangers, each of which is arranged in sequence along the horizontal direction, and the at least two heat exchangers include a first heat exchanger and a second heat exchanger adjacent to the first heat exchanger, wherein the first heat exchanger includes a first end located at the lower end, and a second end located at the upper end; the second heat exchanger includes a third end located at the lower end, and a fourth end located at the upper end, the third end and the first end are close to each other, and the fourth end and the second end are spaced apart from each other; a first avoidance gap is provided on the side of the first end facing away from the second heat exchanger to avoid the side wall of the water receiving tray.

[0016] According to the heat exchange assembly of some embodiments of the present invention, a second avoidance gap is provided on a side of the first end facing the third end for avoiding the third end.

[0017] According to some embodiments of the heat exchange assembly of the present invention, the sides of the first end and the third end facing each other are in contact with each other; or, there is a splicing gap between the sides of the first end and the third end facing each other; or, on the projection plane parallel to the horizontal and up-down directions, the sides of the first end and the third end facing each other have a partial overlap.

[0018] According to some embodiments of the heat exchange assembly of the present invention, the first heat exchanger includes a plurality of fins arranged at intervals, and the arrangement direction of each fin is perpendicular to the up and down direction and the horizontal direction, wherein the direction from the first end to the second end is the first direction, and along the first direction, the fin has a lower end and an upper end, and the lower end of at least part of the fins is provided with a first notch on a side away from the third end, and the first notches together constitute the first avoidance notch.

[0019] According to some embodiments of the heat exchange assembly of the present invention, a third avoidance gap is provided on the side of the first end toward the third end, for avoiding the third end; wherein a third gap is provided on the side of the lower end of each fin toward the third end, and each of the third gaps together constitutes the third avoidance gap.

[0020] According to some embodiments of the heat exchange assembly of the present invention, the first heat exchanger includes a plurality of fins, wherein the direction from the first end portion to the second end portion is a first direction, the fins are arranged at intervals along the first direction, the fins have a first side edge and a second side edge along the second direction, and the second side edge faces the second heat exchanger; in each of the fins in the first end portion: the distance between the center line of the first end portion along the first direction and the first side edge decreases one by one in the opposite direction of the first direction, and the first side edges together form the first avoidance gap.

[0021] According to some embodiments of the heat exchange assembly of the present invention, a second avoidance gap is provided on the side of the second end toward the fourth end, and in each of the fins in the second end: the distance between the center line of the first end along the first direction and the second side edge decreases one by one along the first direction, and each of the second side edges jointly forms the second avoidance gap; or, a third avoidance gap is provided on the side of the first end toward the third end, and in each of the fins in the first end: the distance between the center line of the first end along the first direction and the second side edge decreases one by one in the opposite direction of the first direction, and each of the second side edges jointly forms the third avoidance gap.

[0022] An air-conditioning indoor unit according to a second embodiment of the present invention comprises a heat exchange component according to the first embodiment.

[0023] The air-conditioning indoor unit according to the embodiment of the present invention has at least the following beneficial effects: the air-conditioning indoor unit adopts the above-mentioned heat exchange component, which can reduce the wind resistance of the heat exchange component and the air duct resistance, thereby effectively improving the heat exchange efficiency of the air-conditioning equipment, reducing the fan efficiency, and helping to achieve higher energy efficiency standards.

[0024] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0026] Figure 1 This is a schematic diagram of the structure of a heat exchange component according to an embodiment of the present invention;

[0027] Figure 2 It is a schematic diagram of the upper ends of two heat exchangers in an embodiment of the present invention being assembled close to each other;

[0028] Figure 3 for Figure 2 A schematic diagram of the fins in the illustrated embodiment;

[0029] Figure 4A structural schematic diagram of the lower end portion of the fin in the heat exchange assembly of an embodiment of the present invention;

[0030] Figure 5 Another structural schematic diagram of the lower end of the fin in the heat exchange assembly of the embodiment of the present invention;

[0031] Figure 6 A structural schematic diagram of the upper end portion of the fin in the heat exchange assembly of an embodiment of the present invention;

[0032] Figure 7 It is a schematic diagram of the lower ends of two heat exchangers in an embodiment of the present invention being assembled close to each other;

[0033] Figure 8 for Figure 7 A schematic diagram of the fins in the illustrated embodiment;

[0034] Fig. 9 is a schematic diagram of a fin and its first center line and second center line in one embodiment;

[0035] Fig.10 It is a schematic diagram of the upper ends of the fins in two heat exchangers butting against each other;

[0036] Fig.11 It is a schematic diagram of the lower ends of the fins in two heat exchangers butting against each other;

[0037] Fig.12 This is a first example of a heat exchange component according to an embodiment of the present invention;

[0038] Fig.13 This is a second example of a heat exchange component according to an embodiment of the present invention;

[0039] Fig.14 This is a third example of a heat exchange component according to an embodiment of the present invention;

[0040] Fig.15 This is a fourth example of a heat exchange component according to an embodiment of the present invention;

[0041] Fig.16 This is a fifth example of a heat exchange component according to an embodiment of the present invention;

[0042] Fig.17 This is the sixth example of the heat exchange component according to the embodiment of the present invention;

[0043] Fig.18 This is a schematic structural diagram of a water receiving tray in a heat exchange assembly according to an embodiment of the present invention;

[0044] Fig.19 This is a schematic diagram of assembling a connector and a heat exchanger in a heat exchange assembly according to an embodiment of the present invention;

[0045] Fig. 20It is a schematic diagram of the structure for conveying refrigerant and the assembly of the heat exchanger in the heat exchange assembly of an embodiment of the present invention.

[0046] Reference numerals:

[0047] Heat exchanger 100; first heat exchanger 101, first end 101a, second end 101b, second heat exchanger 102, third end 102a, fourth end 102b, first avoidance gap 103, second avoidance gap 104, third avoidance gap 105, fourth avoidance gap 106;

[0048] Fin 110, lower end 111a, upper end 111b, first side 112a, second side 112b, first notch 113a, second notch 113b, third notch 113c, fourth notch 113d, first end 114a, second end 114b, first oblique edge 114c, second oblique edge 114d, through hole 115, end edge 116, first cut edge 117, second cut edge 118, third cut edge 119;

[0049] Heat exchange tube 120, first connection end 121, second connection end 122;

[0050] A first center line 130, a second center line 140, an end plate 150, and a through hole 151;

[0051] Heat exchange component 200;

[0052] Ventilation port 210;

[0053] A water receiving tray 240, a gap 241, a groove 242, a side wall 243, a bottom wall 244, a water receiving portion 245, a drainage portion 246, a drainage groove 247, and a drainage port 248;

[0054] Connecting piece 250 , inclined contour edge 251 , first conveying tube assembly 260 , second conveying tube assembly 270 . DETAILED DESCRIPTION

[0055] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0056] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0057] In the description of the present invention, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0058] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0059] The embodiment of the present invention provides a heat exchange assembly, which can effectively reduce the wind resistance of the heat exchanger and improve the heat exchange efficiency of the heat exchanger. It is applied to the indoor unit of the air conditioner and is conducive to reducing the power of the fan. The heat exchange assembly includes at least two heat exchangers, each of which is arranged in a horizontal distribution, one end of the two adjacent heat exchangers is close to each other, and the other end is spaced apart from each other to form a vent. As a result, the two heat exchangers are arranged at an angle, so that they are arranged in the air duct to form a more compact structure, which helps to set a larger number of heat exchangers in the air duct to increase the heat exchange area and improve the heat exchange efficiency. In the heat exchange assembly, the lower end of each heat exchanger is suitable for docking with a water receiving tray, and the water receiving tray is used to receive the condensed water formed on the heat exchanger. Among them, the water receiving tray is formed with a groove corresponding to the lower end of at least part of the heat exchanger, and the groove has a bottom wall and a side wall. The lower end of the heat exchanger is located in the groove, and the condensed water drips from the lower end of the heat exchanger and enters the groove. At least one side of the lower end of the heat exchanger is not connected to the adjacent heat exchanger. A clearance gap is provided on the side of the lower end of the heat exchanger that is away from the adjacent heat exchanger, which can avoid the side wall of the water receiving tray to increase the gap between the lower end of the heat exchanger and the side wall of the water receiving tray, which is more conducive to the passage of wind. A clearance gap can also be provided on the side of the ends of the two adjacent heat exchangers that are close to each other and facing each other, so as to avoid the other heat exchanger, which is conducive to reducing the occupation of the horizontal space and helping to increase the angle between the adjacent heat exchangers in a given small space to increase the ventilation opening, thereby reducing wind resistance and improving energy efficiency.

[0060] The following is a detailed description of the embodiments of the present invention in conjunction with the accompanying drawings:

[0061] refer to Figure 1 and Figure 2, with the left and right directions of the drawing as the horizontal direction, in the heat exchange assembly 200 of the embodiment of the present invention, at least two heat exchangers arranged in the horizontal direction include a first heat exchanger 101 located at the outermost side in the horizontal direction, and a second heat exchanger 102 adjacent to the first heat exchanger 101. The first heat exchanger 101 includes a first end 101a located at the lower end, and a second end 101b located at the upper end; the second heat exchanger 102 includes a third end 102a located at the lower end, and a fourth end 102b located at the upper end. The fourth end 102b and the second end 101b are close to each other, and the third end 102a and the first end 101a are spaced apart from each other to form a vent 210, that is, the fourth end 102b is close to the second end 101b in the horizontal direction, and the third end 102a is away from the first end 101a in the horizontal direction. As a result, the first heat exchanger 101 and the second heat exchanger 102 form a structural layout similar to "Λ", and an angle B1 is formed between the first heat exchanger 101 and the second heat exchanger 102.

[0062] Among them, a first avoidance gap 103 is provided on the side of the first end 101a away from the third end 102a to avoid the side wall 243 of the water receiving tray 240, thereby effectively increasing the gap 241 between the side of the first end 101a away from the third end 102a and the side wall 243 of the water receiving tray 240, which is more conducive to ventilation. Specifically, the first heat exchanger 101 is located at the outermost side, for example, the first heat exchanger 101 is located at the leftmost side, and the remaining heat exchangers are arranged on the right side of the first heat exchanger 101 in the horizontal direction. The water receiving tray 240 is formed with a groove 242 corresponding to the lower end of the first heat exchanger 101, and the groove 242 is used to receive the condensed water formed on the first heat exchanger 101. The first end 101a is located in the groove 242, and the condensed water drips from the bottom end of the first end 101a and enters the groove 242. The groove 242 has a bottom wall 244 and side walls 243, one of the side walls 243 is located on the side of the first end 101a away from the third end 102a, that is, located outside the vent 210, and the first avoidance notch 103 on the first end 101a can avoid the side wall 243. Compared with the solution without the first avoidance notch 103, a larger gap 241 can be formed between the first avoidance notch 103 on the first end 101a and the side wall 243 of the water receiving tray 240, which is more conducive to the passage of air, effectively reducing the wind resistance of the first heat exchanger 101, thereby helping to improve the heat exchange efficiency of the first end 101a.

[0063] The first heat exchanger 101 and the second heat exchanger 102 can be directly connected or indirectly connected through other connection structures, so as to achieve fixed assembly of the two. Figure 2In some embodiments, a second avoidance gap 104 is provided on the side of the second end 101b facing the fourth end 102b, for avoiding the fourth end 102b, so as to reduce the space occupied by the second end 101b and the fourth end 102b in the horizontal direction. The second end 101b and the fourth end 102b can be brought close to each other in a variety of ways, for example, the sides of the second end 101b and the fourth end 102b facing each other can be close to each other, or there is a splicing gap between the sides of the second end 101b and the fourth end 102b facing each other, and the splicing gap is much smaller than the interval between the first end 101a and the third end 102a; or, on the projection plane parallel to the horizontal and vertical directions, the sides of the second end 101b and the fourth end 102b facing each other have a partial overlap. Therefore, when the angle B1 between the first heat exchanger 101 and the second heat exchanger 102 remains unchanged, compared with the solution without the second avoidance notch 104, the avoidance effect of the second avoidance notch 104 is conducive to reducing the horizontal dimensions of the first heat exchanger 101 and the second heat exchanger 102, thereby forming a compact heat exchange assembly 200 suitable for a smaller air duct. Alternatively, compared with the solution without the second avoidance notch 104, the avoidance effect of the second avoidance notch 104 releases part of the horizontal space, and the released horizontal space can be used to increase the distance between the first end 101a and the third end 102a, thereby increasing the angle B1 between the first heat exchanger 101 and the second heat exchanger 102, expanding the vent 210, and being more conducive to the passage of wind, thereby improving the heat exchange efficiency and helping to improve energy efficiency.

[0064] refer to Figure 2 In some embodiments, a third avoidance gap 105 is provided on the side of the first end 101a facing the third end 102a. On a projection plane parallel to the lateral and up-down directions (the plane where the left-right and up-down directions of the drawing are located may be referred to), a distance between a lower end of the third avoidance gap 105 and a lower end of the first avoidance gap 103 is X1, and a distance between an upper end of the third avoidance gap 105 and an upper end of the first avoidance gap 103 is X2, X1<X2, that is, the third avoidance gap 105 causes the first end 101a to form a downwardly reduced structure, and the lower end of the first end 101a is reduced, which is more conducive to the condensed water breaking through the surface tension and dripping smoothly, thereby helping to improve the discharge efficiency of the condensed water.

[0065] In the above embodiments, reference Figures 1 to 3 The first heat exchanger 101 may include a heat exchange tube 120 and a plurality of fins 110 mounted on the heat exchange tube 120. The fins 110 are arranged at intervals in a set manner so that air can pass between adjacent fins 110. Through holes 115 are aligned on each fin 110, and the heat exchange tube 120 is inserted into the through holes 115. The heat exchange tube 120 is used to pass refrigerant to achieve heat exchange with the fins 110 and air.

[0066] In some embodiments, the first heat exchanger 101 may include a plurality of fins 110 arranged at intervals, and the arrangement direction of each fin 110 is perpendicular to the up-down direction and the lateral direction. The arrangement direction of the fins 110 may refer to the front-to-back direction in the drawings.

[0067] Among them, reference Figures 1 to 3 , the direction from the first end 101a to the second end 101b is the first direction. Along the first direction, the fin 110 has a lower end 111a and an upper end 111b, and the lower end 111a faces downward. A first notch 113a is provided on the side of the upper end 111b of at least part of the fin 110 away from the third end 102a of the second heat exchanger 102, and each first notch 113a together constitutes a first avoidance notch 103. The lower end 111a of the fin 110 is located in the groove 242, and the groove 242 can receive condensed water dripping from the lower end 111a of the fin 110. The lower end 111a of the fin 110 with the first notch 113a can avoid the side wall 243 of the groove 242. The edge of the first notch 113a can increase the gap 241 between the fin 110 and the side wall 243 of the groove 242 of the water receiving tray 240, effectively reducing wind resistance.

[0068] refer to Figures 1 to 3 The fin 110 has a first side 112a and a second side 112b along the second direction, the second direction is perpendicular to the first direction, and the second side 112b faces the second heat exchanger 102. The first notch 113a has a first oblique side 114c, the upper end of the first oblique side 114c is connected to the first side 112a, and the lower end is downwardly away from the first side 112a, so that the size of the lower end of the lower end 111a of the fin 110 along the second direction is smaller than the size of the upper end, forming a structure with a larger upper part and a smaller lower part. In a specific implementation, the shape of the first oblique side 114c of the first notch 113a includes at least one of a straight line, a curve and a broken line, for example, the first oblique side 114c can be a straight line oblique side, a curve oblique side or a broken line oblique side, or the shape of the first oblique side 114c can include any combination of straight lines, curves and broken lines to form a structure of at least two sections.

[0069] It is understandable that too much condensed water attached to the fin 110 of the heat exchanger will not only occupy a certain air flow space and increase the flow resistance, but also increase the heat exchange thermal resistance between the air and the fin 110 to a certain extent. Therefore, the discharge efficiency of the condensed water will affect the heat exchange efficiency. In the embodiment of the present invention, taking a single fin 110 as a reference, the fin 110 has a corresponding length along the first direction and a corresponding width along the second direction. The condensed water gathered on the fin 110 drips from the lower end 111a due to gravity, so the structure of the lower end 111a has a certain influence on the discharge of the condensed water. The first notch 113a provided at the lower end 111a of the fin 110 at least reduces the size of the lower end 111a in the width direction compared to the fin 110 without the first notch 113a, so that the area is smaller, which is more conducive to the condensed water breaking through the surface tension and dripping smoothly. Therefore, the setting of the above-mentioned first notch 113a can also improve the discharge efficiency of the condensed water, thereby helping to improve the heat exchange efficiency of the heat exchanger.

[0070] The first oblique edge 114c may be directly connected to the first side edge 112a, or may be indirectly connected to the first side edge 112a through other cutting structures, for example:

[0071] In some embodiments, reference Figure 3 and Figure 4 The first notch 113a also has a first trimming edge 117, which is connected between the first side 112a and the upper end of the first oblique side 114c; the first trimming edge 117 extends along the width direction of the fin 110 and is connected to the upper end of the first oblique side 114c. Therefore, when the size and angle of the first oblique side 114c remain unchanged, the first trimming edge 117 can increase the distance between the first oblique side 114c and the first side 112a, that is, increase the width of the first notch 113a, and further reduce the size of the lower end 111a along the width direction.

[0072] Alternatively, refer to Figure 3 and Figure 5 In some embodiments, the first notch 113a further has a first cut edge 117 and a second cut edge 118, wherein the first cut edge 117 is connected to the first side edge 112a, and the second cut edge 118 is connected between the first cut edge 117 and the upper end of the first oblique edge 114c. The first cut edge 117 extends along the width direction of the fin 110 and is connected to the second cut edge 118, and the second cut edge 118 extends along the length direction and is connected to the upper end of the first oblique edge 114c. Therefore, when the size and angle of the first oblique edge 114c remain unchanged, the first cut edge 117 and the second cut edge 118 can increase the size of the first notch 113a in the width direction and the length direction, thereby further reducing the area of ​​the lower end 111a.

[0073] In specific implementation, each first notch 113a may have the same structure and be aligned with each other along the arrangement direction of the fins 110, so as to facilitate processing and assembly. The first notches 113a on each fin 110 may also have different structures and form a non-aligned structure, which can be reasonably configured according to processing requirements and structural requirements.

[0074] In some embodiments, reference Figures 1 to 3 A first notch 113a can be set on the lower end 111a of each fin 110 of the first heat exchanger 101, which reduces the width of the lower end 111a of each fin 110. The first notches 113a together constitute the first avoidance notch 103 of the first heat exchanger 101. Therefore, on the premise of ensuring that there is a sufficient ventilation gap 241 between the lower end 111a of each fin 110 and the side wall 243 of the water receiving tray 240, the size of the water receiving tray 240 can be designed to be smaller, which is beneficial to reducing wind resistance and improving heat exchange efficiency.

[0075] refer to Figures 1 to 3 In the scheme where the second avoidance notch 104 is provided on the side of the second end 101b toward the fourth end 102b, the upper end 111b of each fin 110 of the first heat exchanger 101 is provided with a second notch 113b on the side of the fourth end 102b, and the second notches 113b together form the second avoidance notch 104, so that the upper end 111b of each fin 110 can avoid the fourth end 102b of the second heat exchanger 102, and part of the horizontal space can be released. Among them, similarly to the first heat exchanger 101, the second heat exchanger 102 can also adopt a multi-fin 110 structure, that is, the second heat exchanger 102 can also include a plurality of fins 110 arranged at intervals along the front-to-back direction. In the second heat exchanger 102: the arrangement direction of each fin 110 is consistent with the arrangement direction of the fin 110 of the first heat exchanger 101, and the direction from the third end 102a to the fourth end 102b is the third direction. Along the third direction, the fin 110 has a lower end 111a and an upper end 111b, and the lower end 111a faces downward.

[0076] Therefore, on the side where the second end 101b and the fourth end 102b face each other, the upper end 111b of the fin 110 of the first heat exchanger 101 can avoid the upper end 111b of the fin 110 of the second heat exchanger 102 through the second notch 113b, wherein the upper end 111b of the fin 110 of the first heat exchanger 101 and the upper end 111b of the fin 110 of the second heat exchanger 102 can be in contact with each other or have a joint gap on the side where they face each other; or, on the projection plane parallel to the horizontal and up-down directions, the upper end 111b of the fin 110 of the first heat exchanger 101 and the upper end 111b of the fin 110 of the second heat exchanger 102 have a partial overlap on the side where they face each other, which can also be understood as the upper end 111b of the fins 110 of the two heat exchangers have a partial overlap along the front-to-back direction. Compared with the solution in which the second notch 113b is not provided, the space required to be occupied by the fins 110 of the two heat exchangers in the lateral direction can be reduced.

[0077] refer to Figure 6 , the second notch 113b has a second oblique side 114d, the lower end of the second oblique side 114d is connected to the second side 112b, and the upper end is upward away from the second side 112b, so that the size of the upper end 111b of the upper end portion of the fin 110 along the second direction is smaller than the size of the lower end, forming a structure of small upper and large lower. Since the first heat exchanger 101 and the second heat exchanger 102 are arranged at an angle, the second oblique side 114d of the upper end portion 111b of the fin 110 is avoided in the direction away from the second heat exchanger 102 to release part of the horizontal space. In specific implementation, the specific structure of the second oblique side 114d is the same as the first oblique side 114c (such as Figure 4 , 5 ) Similarly, the shape of the second hypotenuse 114d may include at least one of a straight line, a curve and a fold line. For example, the second hypotenuse 114d may be a straight line hypotenuse, a curved line hypotenuse or a fold line hypotenuse, or the shape of the second hypotenuse 114d may include any combination of a straight line, a curve and a fold line to form a structure of at least two sections.

[0078] The second bevel 114d of the second notch 113b can be directly connected to the second side edge 112b, or similarly to the first bevel 114c of the first notch 113a, can be connected to the second side edge 112b through other cutting structures to further reduce the width of the upper end 111b, thereby releasing more lateral space. The specific configuration of other cutting structures of the second notch 113b can refer to the aforementioned first bevel 114c, first cutting edge 117 and second bevel 114d, which will not be elaborated here.

[0079] refer to Figure 1 and Figure 2In some embodiments, a third avoidance gap 105 may be further provided on the side of the first end 101a of the first heat exchanger 101 facing the third end 102a of the second heat exchanger 102. The third avoidance gap 105 may be used to avoid the side wall 243 of the water receiving tray 240 located in the vent 210, thereby facilitating ventilation. In specific implementation, the third gap 113c may adopt a structure similar to the aforementioned first gap 113a. For example, the third gap 113c and the first gap 113a are symmetrically arranged relative to the center line of the fin 110 along the first direction. According to specific processing or assembly requirements, the specific structure of the third gap 113c may also be different from the first gap 113a. In the scheme where the first heat exchanger 101 includes the above-mentioned multiple fins 110, a third notch 113c is provided on the side of the lower end portion 111a of at least part of the fins 110 facing the second heat exchanger 102. The third notch 113c can be used to avoid the side wall 243 of the water receiving tray 240 on the one hand, which helps to reduce wind resistance. On the other hand, it can reduce the width of the lower end portion 111a of the fin 110, thereby being more conducive to the smooth dripping of condensed water.

[0080] refer to Figure 1 and Figure 2 In some embodiments, the upper end 111b of the fin 110 may be provided with a fourth notch 113d on the side away from the second notch 113b. The specific structure of the fourth notch 113d may be set with reference to the second notch 113b. For example, the fourth notch 113d may be set to a structure symmetrical with the second notch 113b relative to the midline of the fin 110 along the first direction. Thus, both sides of the upper end 111b and both sides of the lower end 111a of the fin 110 of the first heat exchanger 101 are respectively provided with a notch structure. It can be understood that the fin 110 of the second heat exchanger 102 may also adopt a structure similar to that of the fin 110 of the first heat exchanger 101, that is, the fin 110 of the first heat exchanger 101 may also be used in the second heat exchanger 102. The universal fin 110 can save the types of parts, facilitate management and effectively reduce the probability of misassembly.

[0081] refer to Figure 7In some embodiments, the first heat exchanger 101 and the second heat exchanger 102 may also be arranged in other ways, for example, the lower ends are close to each other, and the upper ends are spaced apart from each other to form a vent 210, that is, the third end 102a and the first end 101a are close to each other, and the fourth end 102b and the second end 101b are spaced apart from each other to form a vent 210, that is, the third end 102a is close to the first end 101a in the transverse direction, and the fourth end 102b is away from the second end 101b in the transverse direction, thereby, the first heat exchanger 101 and the second heat exchanger 102 form a "V"-shaped structural layout, and an angle B1 is formed between the first heat exchanger 101 and the second heat exchanger 102. In this embodiment, the first heat exchanger 101 may not be the heat exchanger located on the outermost side in the transverse direction of the heat exchanger assembly, and the left side of the first heat exchanger 101 may be connected to other heat exchangers.

[0082] Among them, a first avoidance gap 103 is provided on the side of the first end 101a away from the second heat exchanger 102. Similar to the previous embodiment, the first avoidance gap 103 can be used to avoid the side wall 243 of the water receiving tray 240, thereby effectively increasing the gap 241 between the side of the first end 101a away from the third end 102a and the side wall 243 of the water receiving tray 240. Compared with the solution without the first avoidance gap 103, a larger gap 241 can be formed between the first end 101a at the first avoidance gap 103 and the side wall 243 of the water receiving tray 240, which is more conducive to the passage of air, effectively reducing the wind resistance of the first heat exchanger 101, thereby helping to improve the heat exchange efficiency of the first end 101a.

[0083] In some embodiments, a third avoidance gap 105 is provided on the side of the first end 101a facing the third end 102a to avoid the third end 102a, so as to reduce the space occupied by the first end 101a and the third end 102a in the horizontal direction. The first end 101a and the third end 102a can be brought close to each other in a variety of ways, for example, the sides of the first end 101a and the third end 102a facing each other can be close to each other, or there is a splicing gap between the sides of the first end 101a and the third end 102a facing each other, and the splicing gap is much smaller than the interval between the second end 101b and the fourth end 102b; or, on the projection plane parallel to the horizontal and vertical directions, the sides of the first end 101a and the third end 102a facing each other have a partial overlap. Therefore, similarly to the second avoidance gap 104 provided at the second end 101b for avoiding the fourth end 102b in the previous embodiment in which the second end 101b and the fourth end 102b are close to each other, when the angle B2 between the first heat exchanger 101 and the second heat exchanger 102 remains unchanged, the third avoidance gap 105 of this embodiment is also conducive to forming a compact heat exchange component 200, which is suitable for smaller air ducts; or, increasing the angle B2 between the first heat exchanger 101 and the second heat exchanger 102 to expand the vent 210 is more conducive to the passage of wind, thereby improving the heat exchange efficiency and helping to improve energy efficiency.

[0084] refer to Figure 7 and Figure 8 , the first heat exchanger 101 can adopt the same structure as the previous embodiment, that is, the first heat exchanger 101 includes a plurality of fins 110 arranged at intervals, and the arrangement direction of each fin 110 is perpendicular to the up-down direction and the horizontal direction. Among them, the direction from the first end 101a to the second end 101b is the first direction, and along the first direction, the fin 110 has a lower end 111a and an upper end 111b, and the lower end 111a faces downward. The upper end 111b of at least part of the fins 110 is provided with a first notch 113a on the side away from the third end 102a of the second heat exchanger 102, and each first notch 113a together constitutes a first avoidance notch 103. The specific structure of the first notch 113a of the fin 110 in this embodiment can be configured with reference to the first notch 113a in the previous example. The lower end 111a of the fin 110 is located in the groove 242, and the groove 242 can receive the condensed water dripping from the lower end 111a of the fin 110. The lower end 111a of the fin 110 with the first notch 113a can avoid the side wall 243 of the groove 242. The edge of the first notch 113a can increase the gap 241 between the fin 110 and the side wall 243 of the groove 242 of the water receiving tray 240, effectively reducing wind resistance.

[0085] refer to Figure 7 and Figure 8In some embodiments, a third notch 113c is provided on the side of the lower end 111a of each fin 110 facing the third end 102a, and each second notch 113b together forms a third avoidance notch 105 for avoiding the third end 102a. The position of the third notch 113c on the fin 110 of this embodiment is similar to that of the third notch 113c in the previous embodiment, and the specific structure can be configured with reference to the above third notch 113c. The structure of the fin 110 in the first heat exchanger 101 can adopt the same structure as the previous embodiment, and the notch structures arranged thereon can also refer to each other.

[0086] refer to Figure 7 and Figure 8 In some embodiments, a fourth notch 113d may be further provided on a side of the upper end 111b of the fin 110 away from the third end 102a, and the fourth notches 113d together constitute a fourth avoidance notch 106. The fourth avoidance notch 106 is located on a side of the second end 101b of the first heat exchanger 101 away from the third end 102a. When another heat exchanger is provided on a side of the first heat exchanger 101 away from the second heat exchanger 102, the upper end of the other heat exchanger and the second end 101b of the first heat exchanger 101 are close to each other, and the fourth avoidance notch 106 can be used to avoid the other heat exchanger to reduce the lateral space occupation.

[0087] The first notch 113a, the second notch 113b, the third notch 113c, and the fourth notch 113d provided on the fin 110 can adopt similar structures, wherein the first, second, third, and fourth are only used to distinguish different positions. In a specific implementation, the fin 110 can be configured as a universal structure, for example, referring to Fig. 9 The fin 110 has a first center line 130 extending along a first direction and a second center line 140 perpendicular to the first center line 130, that is, the first center line 130 is a center line extending along the length direction of the fin 110, and the second center line 140 is a center line extending along the width direction of the fin 110. For the convenience of description, when the positions are not distinguished, the first notch 113a, the second notch 113b, the third notch 113c, and the fourth notch 113d can be collectively referred to as notches, and the upper end 111b and the lower end 111a can be collectively referred to as ends; wherein:

[0088] The lower end portion 111a of the fin 110 is provided with notches (113a and 113c) on both sides in the width direction, and the fin 110 is symmetrically arranged about the first center line 130, that is, the notches (113a and 113c) on both sides in the width direction of the fin 110 can be common;

[0089] Alternatively, the upper end 111b and the lower end 111a of the fin 110 are provided with notches (113d and 113a, or 113b and 113c) at least on the same side in the width direction, and the fin 110 is symmetrically arranged about the second center line 140, that is, the notches (113d and 113a, or 113b and 113c) at both ends of the fin 110 along the length direction can be common;

[0090] Alternatively, notches (113a, 113b, 113c and 113d) are provided on both sides of the width direction of the upper end 111b and the lower end 111a of the fin 110, and the fin 110 is symmetrically arranged about the first center line 130 and the second center line 140, that is, the notches (113a, 113b, 113c and 113d) on both sides of the width direction and the two ends of the length direction of the fin 110 can be common.

[0091] In the above embodiment, the two ends of the fin 110 in the length direction are common, or the two sides in the width direction are common, or the two ends in the length direction and the two sides in the width direction are common, which can reduce the probability of misassembly from the perspective of assembly, and reduce the number of parts that need to be distinguished from the perspective of parts management, thereby facilitating assembly and management. When the assembled heat exchanger is used to assemble the heat exchange assembly 200, the two ends of the heat exchanger are common, or the two sides are common, or both ends and both sides are common, which has the advantage of convenient assembly and management.

[0092] In specific implementation, the notch may be formed on the fin 110 by removing material. For example, the required notch may be formed by removing material on one or both sides of the end by cutting, stamping or other processes.

[0093] refer to Figure 4 and Figure 6 The specific structure of each notch can refer to the structure of the first notch 113a or the second notch 113b mentioned above, wherein the first hypotenuse 114c and the second hypotenuse 114d can be collectively referred to as hypotenuses, the hypotenuse at the first notch 113a is the first hypotenuse 114c, and the hypotenuse at the second notch 113b is the second hypotenuse 114d. Specifically: the notch has a hypotenuse 114, and the hypotenuse 114 has a first end 114a and a second end 114b. The hypotenuse 114 of the notch can be directly connected to the side (112a or 112b) on the same side as the notch. For example, the second end 114b of the hypotenuse extends to the side on the same side as the notch and is directly connected to the side, forming a simple contour structure that is easy to process.

[0094] In other embodiments, reference Figure 6The notch may have a hypotenuse and a first trimming edge 117, one end of the first trimming edge 117 is connected to the side edge on the same side as the notch, and the other end of the first trimming edge 117 extends along the width direction of the fin 110 and is connected to the second end 114b of the hypotenuse. Therefore, when the hypotenuse of the notch remains unchanged, the distance between the hypotenuse and the side edge on the same side can be increased, that is, the width of the notch is increased, and the size of the end along the width direction is reduced.

[0095] Specifically, Figure 4 Taking the lower end 111a of the fin 110 as an example, the above-mentioned notches are provided on both sides of the width direction of the lower end 111a of the fin 110, which can be respectively recorded as the first notch 113a and the second notch 113b. In the first notch 113a, the dimension of the first trimming edge 117 along the width direction is e, the hypotenuse is straight and forms an angle a with the first side 112a, and the dimension extending along the length direction is c, and a and c can be reasonably configured according to the actual structural requirements. In the second notch 113b, the dimension of the first trimming edge 117 along the width direction is f, the hypotenuse is straight and forms an angle b with the second side 112b, and the dimension extending along the length direction is d, and b and d can be reasonably configured according to the actual structural requirements. At least one of e and f is not 0, and the setting of the two first trimming edges 117 makes the distance between the two hypotenuses smaller, thereby further reducing the dimension in the width direction. When e or f is 0, similarly to the above-mentioned embodiment, the hypotenuse of the notch is directly connected to the side of the same side.

[0096] Among them, e and f can be equal or unequal, a and b can be equal or unequal, when e and f are equal and a and b are equal, the lower end portion 111a is symmetrical with respect to the midline in the width direction, so that both sides can be used during installation, which can facilitate the assembly of the heat exchanger and the docking assembly with the adjacent heat exchanger, and can reduce the probability of misassembly. In specific implementation, an asymmetric lower end portion 111a can also be set, that is, e and f are not equal, or a and b are not equal, so as to meet the assembly or structural requirements in actual applications.

[0097] As described above, the provision of the first cut edge 117 further reduces the area of ​​the end of the fin 110, which is more conducive to the discharge of condensed water. Moreover, when used to connect adjacent heat exchangers, it can further reduce the width space occupied, which helps to increase the angle between adjacent heat exchangers in a given small space to reduce wind resistance.

[0098] In other embodiments, reference Figures 4 to 6, the notch may have a hypotenuse, a first trimming edge 117, and a second trimming edge 118. The first trimming edge 117 is connected to the side of the same side as the notch, and the other end extends in the width direction and is connected to the second trimming edge 118. One end of the second trimming edge 118 is connected to the first trimming edge 117, and the other end extends in the length direction and is connected to the second end 114b of the hypotenuse, thereby connecting between the first trimming edge 117 and the second end 114b. Therefore, in the case where the hypotenuse of the notch remains unchanged, the first trimming edge 117 and the second trimming edge 118 can increase the size of the notch in the width direction and the length direction, thereby further reducing the area of ​​the end.

[0099] Specifically, Figure 6 Taking the upper end 111b of the fin 110 shown as an example, the above-mentioned notches are provided on both sides of the width direction of the upper end 111b, which can be respectively recorded as the third notch 113c and the fourth notch 113d. In the third notch 113c, the dimension of the first trimming edge 117 along the width direction is k, the dimension of the second trimming edge 118 along the length direction is m, the hypotenuse is straight and forms an angle o with the second side 112b, and the dimension extending along the width direction is q, and o and q can be reasonably configured according to the actual structural requirements. k and m are not 0, forming a trimming structure that further reduces the width. When k and m are 0, the hypotenuse is directly connected to the second side 112b of the fin 110. In the fourth notch 113d, the dimension of the first trimming edge 117 along the width direction is L, the dimension of the second trimming edge 118 along the length direction is n, the hypotenuse is straight and forms an angle p with the first side 112a, and the dimension extending along the width direction is r, and p and r can be reasonably configured according to the actual structural requirements. L and n are not 0, forming a trimming structure that further reduces the width. When L and n are 0, the bevel is directly connected to the first side 112 a of the fin 110 .

[0100] Among them, k and L can be equal or unequal, and o and p can be equal or unequal. When k and L are equal and o and p are equal, the upper end 111b is symmetrical with respect to the midline in the width direction, so that both sides can be used during installation, which can facilitate the assembly of the heat exchanger and the docking assembly with the adjacent heat exchanger, and can reduce the probability of misassembly. In specific implementation, an asymmetric upper end 111b can also be set, that is, k and L are not equal, or o and p are not equal, so as to meet the assembly or structural requirements in actual applications.

[0101] As described above, the first trimming edge 117 and the second trimming edge 118 further reduce the area of ​​the end of the fin 110, which is more conducive to the discharge of condensed water. In addition, when used for docking adjacent heat exchangers, the width space occupied can be further reduced, which helps to increase the angle between adjacent heat exchangers in a given small space to reduce wind resistance. Alternatively, while shortening the extension length of the bevel, the first trimming edge 117 and the second trimming edge 118 can be used to reduce the size of the upper end 111b in the width direction, which is not only conducive to docking with adjacent heat exchangers, but also avoids affecting the through holes 115 set on the upper end 111b. These through holes 115 can be used for the heat exchange tube 120 to pass through, thereby achieving heat exchange through the refrigerant to ensure the heat exchange efficiency of the heat exchanger corresponding to the position of the upper end 111b.

[0102] In the embodiment where the end of the fin 110 is provided with an end edge 116, the bevel of the notch may be directly connected to the end edge 116 of the same end, or may be connected to the end edge 116 of the same end by cutting. Figure 4 Taking the illustrated embodiment as an example, notches are provided on both sides of the first end 101a, and the notches include a hypotenuse and a third trimming edge 119. The third trimming edge 119 extends along the length direction and is connected between one end of the hypotenuse and the end edge 116. The notches on both sides of the first end 101a can be respectively referred to as a first notch 113a and a second notch 113b. In the first notch 113a, the dimension of the third trimming edge 119 along the length direction is g, and in the second notch 113b, the dimension of the third trimming edge 119 along the length direction is h, and g and h are not 0. G and h can be equal or unequal. In the case of other identical structures (for example, the aforementioned e and f are equal, a and b are equal, k and L are equal, and o and p are equal), when g and h are equal, the first end 101a is symmetrical with respect to the midline in the width direction, so that both sides can be used for installation, which can facilitate the assembly of the heat exchanger and the docking assembly with the adjacent heat exchanger, and can reduce the probability of mis-assembly.

[0103] In specific implementation, an asymmetric first end 101a may be provided, that is, e and f are not equal, or a and b are not equal, or g and h are not equal, so as to meet the assembly or structural requirements in actual application. When g or h is 0, the hypotenuse of the corresponding side is directly connected to the end edge 116.

[0104] In some embodiments, at the opposite ends of the two heat exchangers, the fins 110 may partially overlap along the arrangement direction of the fins 110. For example, Fig.10 or Fig.11 The method shown is to perform docking, Fig.10 In the illustrated embodiment, the upper ends 111b of the fins 110 are connected to each other, and the size of the overlapping portion of the fins 110 is s. Fig.11In the scheme shown, the lower ends 111a of the fins 110 are butted against each other, and the size of the overlapping portion of the fins 110 is t, where s and t are not 0. That is, along the arrangement direction of the fins 110, the hypotenuses of the notches (the second notches 113b or the third notches 113c) are mutually offset and the positions of the fins 110 corresponding to the hypotenuses have partial overlap. In the scheme with the first trimming edge 117 or the second trimming edge 118, the positions of the first trimming edge 117 or the second trimming edge 118 can also overlap, which can reduce the lateral space occupied by adjacent fins 110 after docking. On the other hand, after two adjacent heat exchangers are assembled, it is not necessary to set a plugging piece at the contact seam of the splicing to prevent air leakage, which can reduce the number of parts and simplify assembly.

[0105] It should be noted that the fin 110 may not have a symmetrical notch structure, and the notch may be provided only at the lower end 111a of the fin 110 and on the side away from the adjacent heat exchanger, that is, only the first notch 113a may be provided. In addition, any one or any combination of the second notch 113b, the third notch 113c and the fourth notch 113d may also be provided.

[0106] refer to Figure 8 In some embodiments, the third end 102a of the second heat exchanger 102 may also be provided with a fifth avoidance gap on the side away from the first end 101a. In the scheme where other heat exchangers are provided on the side of the second heat exchanger 102 away from the first heat exchanger 101, the lower end of the heat exchanger adjacent to the second heat exchanger 102 is close to the third end 102a, and the fifth avoidance gap can be used to avoid the heat exchanger adjacent to the second heat exchanger 102 on the side away from the first heat exchanger 101, thereby reducing the occupation of the horizontal space. In the scheme where the heat exchange assembly 200 only includes the first heat exchanger 101 and the second heat exchanger 102, that is, no other heat exchanger is provided on the side of the second heat exchanger 102 away from the first heat exchanger 101, the role of the fifth avoidance gap is similar to that of the first avoidance gap 103 of the first heat exchanger 101, and can be used to avoid the side wall 243 of the water receiving tray 240 located outside the vent 210, thereby facilitating the reduction of wind resistance.

[0107] refer to Fig.12 In other embodiments of the heat exchange assembly 200, the arrangement of the fins 110 is different from the above embodiments. Specifically, the first heat exchanger 101 includes a plurality of fins 110, wherein the direction from the first end 101a to the second end 101b is the first direction, and the fins 110 are arranged at intervals along the first direction ( Fig.12 In the figure, the fin 110 is only partially shown in the first heat exchanger 101. The fin 110 has a first side 112a and a second side 112b along the second direction, and the second side 112b faces the second heat exchanger 102, that is, the fin 110 is extended in the transverse direction and stacked in intervals in the thickness direction.

[0108] In each fin 110 in the first end portion 101a: the distance between the center line of the first end portion 101a along the first direction and the first side edge 112a decreases one by one in the opposite direction of the first direction, and forms an inclined downward trend from the side of the first heat exchanger 101 away from the second heat exchanger 102 in the direction of the center line of the first direction, and each first side edge 112a jointly forms a first avoidance gap 103 to achieve avoidance of the side wall 243 of the docking water tray 240.

[0109] In the scheme where the second end 101b of the first heat exchanger 101 and the fourth end 102b of the second heat exchanger 102 are close to each other, in each fin 110 in the second end 101b: the distance between the first end 101a along the center line of the first direction and the second side 112b decreases one by one along the first direction, and each second side 112b forms an inclined upward profile from the first heat exchanger 101 toward the second heat exchanger 102 along the center line of the first direction, so that each second side 112b jointly forms a second avoidance gap 104 to achieve avoidance of the fourth end 102b.

[0110] In the scheme where the first end 101a of the first heat exchanger 101 and the third end 102a of the second heat exchanger 102 are close to each other, in each fin 110 in the first end 101a: the distance between the center line of the first end 101a along the first direction and the second side 112b decreases one by one in the opposite direction of the first direction, and each second side 112b forms a profile inclined downward from the first heat exchanger 101 toward the second heat exchanger 102 along the center line of the first direction, so that each second side 112b jointly forms a third avoidance gap 105 to achieve avoidance of the third end 102a.

[0111] In the scheme where the second heat exchanger 102 adopts a multi-fin 110 structure similar to the first heat exchanger 101, no matter which arrangement mode the fins 110 adopt, the fins 110 in the second heat exchanger 102 can be symmetrically arranged with the fins 110 in the first heat exchanger 101 relative to the center line extending in the up-down direction between the first heat exchanger 101 and the second heat exchanger 102. That is, the fins 110 in the second heat exchanger 102 are also arranged as in the aforementioned embodiment, so that the avoidance gaps formed are also symmetrical with the avoidance gaps on the first heat exchanger 101. Therefore, whether the layout mode of the upper ends being close to each other or the lower ends being close to each other is adopted, the second heat exchanger 102 can adopt a structure that is symmetrical with the first heat exchanger 101. In the case where the first heat exchanger 101 is symmetrical along the first direction and the second direction respectively, the second heat exchanger 102 can adopt a heat exchanger with the same structure as the first heat exchanger 101, thereby reducing the types of parts and components and facilitating assembly and management.

[0112] As can be seen from the foregoing, the heat exchange assembly 200 of the embodiment of the present invention can increase the gap 241 between the lower end and the side wall of the water receiving tray, reduce wind resistance when used, or increase the vent 210, and improve the condensed water discharge efficiency. Therefore, the heat exchange assembly 200 of the embodiment of the present invention can provide higher heat exchange efficiency in a relatively limited small space, give full play to the heat exchange performance, and help balance the fan power to obtain better heat exchange capacity and energy efficiency requirements.

[0113] refer to Figure 3 , Figure 7 ,as well as Figures 13 to 17 The heat exchange assembly 200 of the embodiment of the present application includes at least two heat exchangers 100, and the number of heat exchangers 100 can be two, three, four or more. When the number of heat exchangers 100 is two, the layout of the first heat exchanger 101 and the second heat exchanger 102 can be adopted, for example, the two lower ends (the first end 101a and the third end 102a) are close to each other, and the two upper ends (the second end 101b and the fourth end 102b) are separated from each other to form a "V"-shaped structural layout (such as Figure 7 ), or, the two upper ends (the second end 101b and the fourth end 102b) are close to each other, and the two lower ends (the first end 101a and the third end 102a) are separated from each other, forming a structural layout similar to "Λ" shape (such as Fig.17 ).

[0114] refer to Figure 7 , Fig.15 and Fig.16 When the number of heat exchangers 100 in the heat exchange assembly 200 is three, in the above-mentioned scheme where the lower ends of the first heat exchanger 101 and the second heat exchanger 102 are close to each other, another heat exchanger can be arranged on the right side of the second heat exchanger 102 in the horizontal direction and its upper end can be close to the fourth end 102b of the second heat exchanger 102 to form a shape similar to "И" (such as Fig.16 ) structure layout; or another heat exchanger is arranged on the left side of the first heat exchanger 101 in the horizontal direction and its upper end is close to the second end 101b of the first heat exchanger 101 to form a similar "N" shape (such as Fig.15 Alternatively, in the above-mentioned scheme of the first heat exchanger 101 and the second heat exchanger 102 whose upper ends are close to each other, another heat exchanger is arranged on the right side of the second heat exchanger 102 in the horizontal direction and its lower end is close to the third end 102a of the second heat exchanger 102, forming a similar "N" shape (such as Fig.15 )’s structural layout.

[0115] When the number of heat exchangers 100 in the heat exchange assembly 200 is four, it may include two groups of interconnected heat exchangers 100, and the upper ends or lower ends of the two adjacent groups of heat exchangers 100 are close to each other. For example, the lower ends of the two heat exchangers 100 in each group of heat exchangers 100 are close to each other, and the upper ends of the two adjacent groups of heat exchangers are close to each other, forming a "W" shape (such as Fig.13 ) structure layout; or, the upper ends of the two heat exchangers 100 in each group of heat exchangers 100 are close to each other, and the lower ends of the two adjacent groups of heat exchangers are close to each other, forming a similar "M" shape (such as Fig.14 )’s structural layout.

[0116] When the number of the heat exchangers 100 in the heat exchange assembly 200 is greater than four, they can be arranged in sequence along the horizontal direction according to the above structure, which will not be elaborated here.

[0117] In the heat exchange assembly 200, whether the upper ends or the lower ends of the adjacent heat exchangers 100 are close to each other, an avoidance gap may be provided at one side of the close ends, which can reduce the horizontal dimensions of the two heat exchangers after connection, and help to form a compact structural layout. The fins 110 where the two heat exchangers 100 are close to each other can be close to each other or have a certain splicing gap, and a plugging piece can be set at the splicing gap after assembly. For example, a plugging piece is set between the two connected fins 110. The plugging piece can be a sponge, a plastic piece, or a metal piece, etc., which is suitable for being placed at the splicing gap, and is used to block the splicing gap. The plugging piece can be connected to either of the two fins 110 to achieve fixation. After the plugging piece blocks the splicing gap, air leakage at the splicing gap can be prevented, which helps to improve the heat exchange efficiency.

[0118] refer to Figures 13 to 18 In some embodiments, the heat exchange assembly 200 may further include a water receiving pan 240, which is disposed below the heat exchanger 100 and is used to receive dripping condensed water below the heat exchanger 100 and discharge the condensed water through a pipe connection. A plurality of grooves 242 may be provided on the water receiving pan 240, which are respectively disposed below the lower end of each heat exchanger 100 in the heat exchange assembly 200 having a plurality of heat exchangers 100, and are used to receive condensed water. For example, the water receiving pan 240 includes a plurality of water receiving portions 245, each of which is located at the lower end of the heat exchanger 100 corresponding to the end 111 of the fin 110. The water receiving portion 245 includes a bottom wall 244 and side walls 243 disposed on both sides of the bottom wall 244. The side wall 243 and the bottom wall 244 together form a groove 242 . Each groove 242 may correspond to the lower end of the heat exchanger 100 at a different position in the heat exchange assembly 200 , so as to receive condensed water dripping from the lower end of each heat exchanger 100 .

[0119] A drainage portion 246 may be connected between each water receiving portion 245, and the drainage portion 246 is provided with a drainage groove 247 connected to each groove 242, and a drainage port 248 connected to the drainage groove 247. Water in the groove 242 may be discharged into the drainage groove 247 and discharged through a pipe connected to the drainage port 248.

[0120] In some embodiments, reference Fig.14 and Fig.18 , there are four heat exchangers 100 in the heat exchange assembly 200, the upper end of the heat exchanger 100 located in the middle is close to the upper end of the heat exchanger 100 on one side, and the lower end is close to the lower end of the heat exchanger 100 on the other side, so as to be arranged at an angle with the adjacent heat exchanger 100, forming a structural layout similar to an "M" shape. Among the four heat exchangers 100, the lower ends of two heat exchangers 100 are close to each other, and the lower ends of the other two heat exchangers 100 are respectively located on both sides. Correspondingly, the water receiving tray 240 may include three water receiving parts 245, the groove 242 formed by one water receiving part 245 corresponds to the bottom of the two lower ends connected to each other, and the other two water receiving parts 245 are respectively located on both sides, and the grooves 242 formed by the two water receiving parts 245 correspond to the lower ends of the heat exchangers 100 on both sides. Each water receiving portion 245 of the water receiving tray 240 receives condensed water dripping from the lower end of each heat exchanger 100 , and the space between adjacent water receiving portions 245 can be used for ventilation.

[0121] refer to Fig.14 , Fig.19 and Fig. 20 In the heat exchanger 100 in which the fins 110 are arranged in the front-to-back direction, an end plate 150 may be provided at one or both ends of the heat exchanger 100 along the arrangement direction of the fins 110. The end plate 150 is provided with through holes 151 at positions corresponding to the through holes 115 on the fins 110, through which the heat exchange tubes 120 can pass. Two adjacent heat exchangers 100 can be connected to each other through the end plate 150, or two adjacent heat exchangers 100 can be indirectly connected through another connecting structure. For example, a connecting piece 250 is further provided between the two adjacent heat exchangers 100, and the connecting piece 250 is used to fix the two adjacent heat exchangers 100 that are spliced ​​to each other. Specifically, the connecting piece 250 is connected to the end plates 150 in the two adjacent heat exchangers 100 to realize the assembly and fixation of the two adjacent heat exchangers 100. Fig.19 Taking the embodiment shown as an example, the heat exchange assembly 200 includes four heat exchangers 100 and three connectors 250. One end of two adjacent heat exchangers 100 are spliced ​​together to form a structure similar to an "M" shape. The specific splicing method and the specific structure of the heat exchanger 100 can refer to the above embodiment and the attached Fig.14 The connecting member 250 is connected between two adjacent heat exchangers 100 to fix the angle of the heat exchangers 100 , thereby splicing together to form a heat exchange assembly 200 having four heat exchangers 100 .

[0122] refer to Fig.19 In some embodiments, the side of the connector 250 corresponding to the heat exchanger 100 on both sides may have an inclined contour edge 251, and the inclined contour edges 251 on both sides may be respectively abutted against the sides of the heat exchangers 100 on both sides facing each other. Therefore, after the connector 250 is fixed to the end plate 150, the two adjacent heat exchangers 100 can maintain the splicing angle B1 / B2, thereby improving the structural stability.

[0123] refer to Fig.14 , Fig.19 and Fig. 20 In some embodiments of the heat exchange assembly 200, the heat exchanger 100 further includes a heat exchange tube 120, and the fin 110 is further provided with a plurality of through holes 115. The through holes 115 of each fin 110 are aligned with each other along the arrangement direction of the fin 110, and the heat exchange tube 120 is inserted into the through hole 115. The heat exchange tube 120 has a first connection end 121 and a second connection end 122, which are used to pass the refrigerant to achieve heat exchange with the fin 110 and the air. The heat exchange assembly 200 may also include a structure for conveying the refrigerant. For example, the heat exchange assembly 200 further includes a first conveying pipe assembly 260 and a second conveying pipe assembly 270, the first conveying pipe assembly 260 is connected to the first connection end 121 of the heat exchange tube 120, and is used to input the refrigerant to the heat exchange tube 120, and the second conveying pipe assembly 270 is connected to the second connection end 122 of the heat exchange tube 120, and is used to output the refrigerant from the heat exchange tube 120 to achieve heat exchange. When used, the heat exchange assembly 200 can be used as an evaporator for cooling or as a condenser for heating.

[0124] During cooling, high-pressure and high-temperature liquid refrigerant is input through the first delivery pipe assembly 260, and enters the heat exchange tube 120 of the heat exchanger 100 through the first connection end 121. The refrigerant completes evaporation in the heat exchange tube 120, outputs cold air to the refrigerated space, and then is output to the second delivery pipe assembly 270 through the second connection end 122 of the heat exchange tube 120 and flows out.

[0125] During heating, high-temperature and high-pressure gaseous refrigerant is input through the second delivery pipe assembly 270, and enters the heat exchange tube 120 of the heat exchanger 100 through the second connection end 122. At this time, the heat exchange assembly 200 plays a condensation role, cooling and condensing the high-temperature and high-pressure gaseous refrigerant into high-temperature and high-pressure (or with a certain degree of supercooling) liquid refrigerant, outputting heat to the heating space, and then outputting it to the first delivery pipe assembly 260 through the first connection of the heat exchange tube 120 and flowing out.

[0126] The heat exchange assembly 200 of the embodiment of the present invention (refer to Fig.19 and Fig. 20), in practical applications, it can be used to replace traditional heating methods (such as gas furnaces, etc.). It is understandable that with the continuous improvement of environmental protection and energy-saving requirements, traditional heating methods will gradually be replaced by more energy-saving air handling units. For traditional heating methods, taking the traditional gas furnace system as an example, the interface of its air duct system is usually smaller than the air outlet of the existing air handling unit (such as the existing commonly used air conditioning equipment), and the configurable heat exchange area is limited. Therefore, on the basis of the original air duct, the currently commonly used air handling unit is difficult to meet the required heat exchange capacity and energy efficiency requirements. The heat exchange component 200 of the embodiment of the present invention can help reduce the wind resistance of the heat exchange component and the resistance of the air duct by improving the above-mentioned structure of the heat exchanger 100. Some solutions can also increase the angle of the heat exchanger 100, increase the area of ​​the vent 210, and improve the condensate discharge efficiency, which is more conducive to improving the heat exchange efficiency and reducing the fan power. Therefore, it is possible to provide a more efficient heat exchange efficiency and a certain air volume in a relatively limited small space, and give full play to the performance of the heat exchange component 200 to meet higher energy efficiency requirements. Therefore, the heat exchange assembly 200 of the embodiment of the present invention can be applied to the original air duct system of the above-mentioned traditional heating method, and there is no need to dismantle the original air duct when replacing it.

[0127] The second embodiment of the present invention further provides an air conditioner indoor unit, comprising the heat exchange assembly 200 of the first embodiment. As can be seen from the above, the heat exchange assembly 200 can reduce wind resistance and wind duct resistance, and in some embodiments can also increase the angle of the heat exchanger 100 and improve the condensed water discharge efficiency.

[0128] refer to Figures 1 to 3 ,as well as Fig.19 and Fig. 20 In a specific application, the heat exchange assembly 200 of the embodiment of the present invention is compared with the solution without the first avoidance notch 103. The angle B1 / B2 between the heat exchangers 100 during assembly can be increased from the original 12.4 degrees to 14.8 degrees, and the angle is increased by 19.35%. The length of the vent 210 (i.e., the dimension perpendicular to the horizontal and down-field directions) remains unchanged, and the width (i.e., the dimension along the horizontal direction) increases from the original 89mm to 98mm, so the area of ​​the vent 210 increases by 10.1%, reducing the wind resistance of the heat exchange assembly 200 and the resistance of the air duct. Under the same air volume, the power of the indoor unit of the air conditioner is reduced from 352W to 320W, and the power of the internal fan is reduced by 9.1%. The power of the air conditioner is reduced from 3122W to 3070W, and the power of the whole machine is reduced by 1.66%.

[0129] In addition, the scheme of setting a notch at the lower end of the fin 110 in the heat exchanger 100 forms a sharp corner behind the lower end, which is conducive to the removal of condensed water. And the notch set on the side of the fin 110 away from the adjacent heat exchanger 100 increases the gap 241 between the fin 110 and the water receiving tray 240, which is more conducive to the passage of wind and improves the heat exchange effect of the heat exchange tube 120 at the bottom of the heat exchange component 200. With the support of the above measures, the overall capacity increased from 10270W to 10580W, the power decreased from 3122W to 3070W, and the energy efficiency increased from 3.29 to 3.446, with a capacity increase of 3%, a power reduction of 1.66%, and an energy efficiency increase of 4.7%.

[0130] The air conditioner indoor unit adopts the above-mentioned heat exchange component, which can effectively improve the heat exchange efficiency of the air conditioner equipment, reduce the fan efficiency, help to meet higher energy efficiency standards, or achieve better heat exchange effects when the air duct is smaller, and meet better energy efficiency requirements.

[0131] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A heat exchange component, characterized in that: The at least two heat exchangers are arranged in sequence in a transverse direction, and the at least two heat exchangers include a first heat exchanger located at the outermost side in the transverse direction, and a second heat exchanger adjacent to the first heat exchanger, wherein: The first heat exchanger includes a first end portion located at a lower end, and a second end portion located at an upper end; The second heat exchanger includes a third end portion located at a lower end and a fourth end portion located at an upper end, the fourth end portion and the second end portion are close to each other, and the third end portion and the first end portion are spaced apart from each other; A first avoidance gap is provided on a side of the first end away from the third end to avoid the side wall of the water receiving tray.

2. The heat exchange assembly according to claim 1, characterized in that: A second avoidance gap is provided on a side of the second end facing the fourth end, for avoiding the fourth end.

3. The heat exchange assembly according to claim 2, characterized in that: The second end and the fourth end are in contact with each other on one side facing each other; Alternatively, a joint gap is provided between the second end and the fourth end facing each other; Alternatively, on a projection plane parallel to the lateral direction and the up-down direction, the second end portion and the fourth end portion partially overlap on one side facing each other.

4. The heat exchange assembly according to claim 1, characterized in that: A third avoidance gap is provided on the side of the first end toward the third end. On a projection plane parallel to the lateral and up-down directions, a distance between a lower end of the third avoidance gap and a lower end of the first avoidance gap is X1, and a distance between an upper end of the third avoidance gap and an upper end of the first avoidance gap is X2, and X1<X2.

5. The heat exchange assembly according to any one of claims 1 to 4, characterized in that: The first heat exchanger comprises a plurality of fins arranged at intervals, and the arrangement direction of each of the fins is perpendicular to the up-down direction and the transverse direction, wherein: The direction from the first end to the second end is the first direction. Along the first direction, the fin has a lower end and an upper end. At least part of the upper end of the fin is provided with a first notch on the side away from the third end. The first notches together constitute the first avoidance notch.

6. The heat exchange assembly according to claim 5, characterized in that: The fin has a first side and a second side along a second direction, the second direction is perpendicular to the first direction, and the second side faces the second heat exchanger; the first notch has a first hypotenuse, the upper end of the first hypotenuse is connected to the first side, and the lower end is downward away from the first side.

7. The heat exchange assembly according to claim 6, characterized in that: The first notch also has a first cutting edge, and the first cutting edge is connected between the first side edge and the upper end of the first oblique edge; Alternatively, the first notch further has a first cutting edge and a second cutting edge, the first cutting edge is connected to the first side edge, and the second cutting edge is connected between the first cutting edge and an upper end of the first oblique edge.

8. The heat exchange assembly according to claim 6, characterized in that: A second avoidance gap is provided on the side of the second end toward the fourth end for avoiding the fourth end; wherein, a second gap is provided on the side of the upper end of each fin toward the fourth end, and each of the second gaps together constitutes the second avoidance gap.

9. The heat exchange assembly according to claim 8, characterized in that: The second notch has a second oblique edge, the lower end of the second oblique edge is connected to the second side edge, and the upper end of the second oblique edge faces upward and away from the second side edge.

10. A heat exchange component, characterized in that: The at least two heat exchangers are arranged in sequence in a transverse direction, and the at least two heat exchangers include a first heat exchanger and a second heat exchanger adjacent to the first heat exchanger, wherein: The first heat exchanger includes a first end portion located at a lower end, and a second end portion located at an upper end; The second heat exchanger includes a third end portion located at a lower end and a fourth end portion located at an upper end, the third end portion and the first end portion are close to each other, and the fourth end portion and the second end portion are spaced apart from each other; A first avoidance gap is provided on a side of the first end portion facing away from the second heat exchanger, so as to avoid the side wall of the water receiving tray.

11. The heat exchange assembly according to claim 10, characterized in that: A second avoidance gap is provided on a side of the first end facing the third end for avoiding the third end.

12. The heat exchange assembly according to claim 11, characterized in that: The first end and the third end are in contact with each other on one side facing each other; Alternatively, a joint gap is provided between the first end and the third end facing each other; Alternatively, on a projection plane parallel to the lateral direction and the up-down direction, the first end portion and the third end portion partially overlap on one side facing each other.

13. The heat exchange assembly according to any one of claims 10 to 12, characterized in that: The first heat exchanger comprises a plurality of fins arranged at intervals, and the arrangement direction of each of the fins is perpendicular to the up-down direction and the transverse direction, wherein: The direction from the first end to the second end is the first direction. Along the first direction, the fin has a lower end and an upper end. At least part of the lower end of the fin is provided with a first notch on the side away from the third end. The first notches together constitute the first avoidance notch.

14. The heat exchange assembly according to claim 13, characterized in that: A third avoidance gap is provided on the side of the first end toward the third end for avoiding the third end; wherein, a third gap is provided on the side of the lower end of each fin toward the third end, and each third gap together constitutes the third avoidance gap.

15. The heat exchange assembly according to any one of claims 1 to 4 or any one of claims 10 to 12, characterized in that: The first heat exchanger includes a plurality of fins, wherein: The direction from the first end to the second end is a first direction, the fins are arranged at intervals along the first direction, the fins have a first side and a second side along the second direction, and the second side faces the second heat exchanger; In each of the fins in the first end portion: the distance between the midline of the first end portion along the first direction and the first side edge decreases one by one in the opposite direction of the first direction, and each of the first side edges jointly forms the first avoidance gap.

16. The heat exchange assembly according to claim 15, characterized in that: A second avoidance gap is provided on a side of the second end portion facing the fourth end portion, and in each of the fins in the second end portion: the distance between the midline of the first end portion along the first direction and the second side edge decreases one by one along the first direction, and each of the second side edges jointly forms the second avoidance gap; Alternatively, a third avoidance gap is provided on the side of the first end facing the third end, and in each of the fins in the first end: the distance between the midline of the first end along the first direction and the second side edge decreases one by one in the opposite direction of the first direction, and each of the second side edges jointly forms the third avoidance gap.

17. An air conditioner indoor unit, characterized in that: A heat exchange component comprising any one of claims 1 to 16.

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