Heat exchanger for air conditioner and air conditioner

Abstract

The utility model relates to the technical field of household appliances. The utility model discloses a heat exchanger for an air conditioner. The heat exchanger comprises a middle straight plate section, an upper straight plate section and a lower straight plate section. The middle straight plate section is arranged on the air conditioner, and the thickness of the middle straight plate section is a first thickness W1; the upper straight plate section is connected to the upper portion of the middle straight plate section in a bent mode, the upper straight plate section is obliquely arranged towards the windward side, and the thickness of the upper straight plate section is a second thickness W2; the lower straight plate section is connected to the lower portion of the middle straight plate section in a bent mode, the lower straight plate section is obliquely arranged towards the windward side, and the thickness of the lower straight plate section is a third thickness W3; wherein the first thickness W1 is larger than or equal to the second thickness W2, and the first thickness W1 is larger than or equal to the third thickness W3. Through the arrangement, the heat exchanger can adapt to the wind speeds of different positions of the windward side, the risk of unsmooth drainage of the surface of the heat exchanger can be avoided, and the user experience is better. Meanwhile, the utility model further discloses the air conditioner.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of household appliances, for example to a heat exchanger for an air conditioner and an air conditioner. BACKGROUND

[0002] With the development of society, the popularity of air conditioners is also increasing. In the air conditioner, a finned tube heat exchanger is arranged to exchange heat with the air flowing therethrough to achieve cooling or heating of the indoor. The conventional heat exchanger is mostly a split heat exchanger or a straight plate heat exchanger, so if the wind speed on the windward surface of the heat exchanger is not uniform, the heat exchange efficiency will be reduced.

[0003] In the related art, in order to improve the heat exchange efficiency of the heat exchanger, the user generally sets the heat exchanger to a circular arc structure to adapt to the wind speed at different positions of the windward surface of the heat exchanger.

[0004] In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

[0005] In the related art, the existing heat exchanger with a circular arc structure has an upper side of the windward surface as an inclined surface, and the length of the inclined surface is relatively long, which may cause the risk of poor drainage of the surface of the heat exchanger, and the user experience is not good.

[0006] It should be noted that the information disclosed in the above background section is only used to strengthen the understanding of the background of the present application, and therefore can include information that does not constitute prior art known to those of ordinary skill in the art. INNOVATION CONTENT

[0007] In order to have a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. The summary is not a general review, nor is it intended to determine key / important elements or delineate the scope of protection of these embodiments, but as a prelude to the detailed description below.

[0008] The embodiments of the present disclosure provide a heat exchanger for an air conditioner and an air conditioner and an air conditioner, the heat exchanger of the air conditioner can not only adapt to the wind speed at different positions of the windward surface, but also avoid the risk of poor drainage of the surface of the heat exchanger, and the user experience is better.

[0009] The heat exchanger for an air conditioner provided by the embodiments of the present disclosure comprises a middle straight plate section, an upper straight plate section and a lower straight plate section. The middle straight plate section is arranged in the air conditioner, and the thickness of the middle straight plate section is a first thickness W1; the upper straight plate section is bent and connected above the middle straight plate section, the upper straight plate section is arranged to be inclined towards the windward side, and the thickness of the upper straight plate section is a second thickness W2; the lower straight plate section is bent and connected below the middle straight plate section, the lower straight plate section is arranged to be inclined towards the windward side, and the thickness of the lower straight plate section is a third thickness W3; wherein the first thickness W1 is greater than or equal to the second thickness W2, and the first thickness W1 is greater than or equal to the third thickness W3.

[0010] In some embodiments, the ratio of the first thickness W1 to the second thickness W2 is greater than or equal to 1 and less than or equal to 2.

[0011] In some embodiments, the ratio of the first thickness W1 to the third thickness W3 is greater than or equal to 1 and less than or equal to 2.

[0012] In some embodiments, the heat exchanger further comprises a refrigerant circulation pipeline. A plurality of sections of the refrigerant circulation pipeline are arranged along the length direction of the middle straight plate section to form a first pipe group, and the spacing between the plurality of sections of the refrigerant circulation pipeline is a first spacing d1; a plurality of sections of the refrigerant circulation pipeline are also arranged along the length direction of the upper straight plate section to form a second pipe group, and the spacing between the plurality of sections of the refrigerant circulation pipeline is a second spacing d2; wherein the ratio of the first spacing d1 to the second spacing d2 is greater than or equal to 0.9 and less than or equal to 1.5.

[0013] In some embodiments, a plurality of sections of the refrigerant circulation pipeline are also arranged along the length direction of the lower straight plate section to form a third pipe group, and the spacing between the plurality of sections of the refrigerant circulation pipeline is a third spacing d3; wherein the ratio of the first spacing d1 to the third spacing d3 is greater than or equal to 0.9 and less than or equal to 1.5.

[0014] In some embodiments, a plurality of columns of the first pipe group are arranged along the width direction of the middle straight plate section, and the spacing between the plurality of columns of the first pipe group is a first column spacing m1; a plurality of columns of the second pipe group are arranged along the width direction of the upper straight plate section, and the spacing between the plurality of columns of the second pipe group is a second column spacing m2; wherein the ratio of the first column spacing m1 to the second column spacing m2 is greater than or equal to 0.8 and less than or equal to 1.2.

[0015] In some embodiments, a plurality of columns of the third pipe group are arranged along the width direction of the lower straight plate section, and the spacing between the plurality of columns of the third pipe group is a third column spacing m3; wherein the ratio of the first column spacing m1 to the third column spacing m3 is greater than or equal to 0.8 and less than or equal to 1.2.

[0016] The embodiments of the present disclosure also provide an air conditioner comprising a shell and the heat exchanger for an air conditioner described above. The shell is provided with a mounting cavity; and the heat exchanger for an air conditioner is mounted in the mounting cavity.

[0017] In some embodiments, the air conditioner further comprises a fan. The fan is arranged in the mounting cavity, and the fan is located at one side of the heat exchanger; wherein the upper straight plate segment and the lower straight plate segment of the heat exchanger are arranged obliquely towards the fan.

[0018] In some embodiments, the side wall surface of the heat exchanger near the side of the fan is configured as a windward side wall surface, and the side wall surface of the heat exchanger away from the side of the fan is configured as a leeward side wall surface; in the case that the size and shape of the windward side wall surface correspond to the size and shape of the leeward side wall surface, the air conditioner comprises a plurality of heat exchangers; wherein the windward side wall surface and the leeward side wall surface of adjacent heat exchangers are arranged in abutment with each other.

[0019] The heat exchanger for an air conditioner and the air conditioner provided by the embodiments of the present disclosure can achieve the following technical effects:

[0020] The heat exchanger for an air conditioner provided by the embodiments of the present disclosure comprises a middle straight plate segment, an upper straight plate segment and a lower straight plate segment. The middle straight plate segment is arranged in the air conditioner, and the thickness of the middle straight plate segment is a first thickness W1; the upper straight plate segment is connected to the upper side of the middle straight plate segment by bending, the upper straight plate segment is arranged obliquely towards the windward side, and the thickness of the upper straight plate segment is a second thickness W2; the lower straight plate segment is connected to the lower side of the middle straight plate segment by bending, the lower straight plate segment is arranged obliquely towards the windward side, and the thickness of the lower straight plate segment is a third thickness W3; wherein the first thickness W1 is greater than or equal to the second thickness W2, and the first thickness W1 is greater than or equal to the third thickness W3. In this way, when the fan blows air, the upper straight plate segment, the middle straight plate segment and the lower straight plate segment can respectively adapt to the air speed of their windward sides, so as to ensure the heat exchange efficiency of the heat exchanger. At the same time, since the side wall surface of the middle straight plate segment is a vertical plane, this can reduce the area of the oblique plane of the heat exchanger as a whole. In this way, the heat exchanger can not only adapt to the air speed of different positions of its windward surface, but also can avoid the risk of poor drainage of the surface of the heat exchanger, and the user experience is better.

[0021] The foregoing general description and the following description are only exemplary and explanatory, and are not intended to limit the present application. BRIEF DESCRIPTION OF DRAWINGS

[0022] One or more embodiments are exemplarily illustrated by corresponding drawings, which do not constitute limitation on the embodiments, and elements with the same reference numerals in the drawings are shown as similar elements, the drawings do not constitute proportional limitation, and wherein:

[0023] Figure 1 is a structural schematic diagram of an air conditioner provided by the embodiments of the present disclosure;

[0024] Figure 2 is a structural schematic diagram of a heat exchanger provided by the embodiments of the present disclosure;

[0025] Figure 3 is a structural schematic diagram of another heat exchanger provided by the embodiment of the present disclosure;

[0026] Figure 4 is a structural schematic diagram of another heat exchanger provided by the embodiment of the present disclosure;

[0027] Figure 5 is a structural schematic diagram of another heat exchanger provided by the embodiment of the present disclosure;

[0028] Figure 6 is a structural schematic diagram of another heat exchanger provided by the embodiment of the present disclosure;

[0029] Figure 7 is a structural schematic diagram of a casing provided by the embodiment of the present disclosure;

[0030] Figure 8 is a partial structural schematic diagram of a casing provided by the embodiment of the present disclosure.

[0031] Reference signs:

[0032] 10: casing; 11: mounting cavity; 12: air inlet; 13: air outlet; 14: fan; 15: fixing structure; 16: refrigerant circulation pipeline;

[0033] 20: heat exchanger; 201: windward side wall surface; 202: leeward side wall surface; 21: middle straight plate segment; 211: middle windward line; 212: middle leeward line; 22: upper straight plate segment; 221: upper windward line; 222: upper leeward line; 23: lower straight plate segment; 231: lower windward line; 232: lower leeward line. DETAILED DESCRIPTION

[0034] In order to enable persons skilled in the art to more fully understand the features and technical contents of the embodiments of the present disclosure, the implementation of the embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings, which are used for reference only and do not limit the embodiments of the present disclosure. In the following technical description, in order to facilitate explanation, a plurality of details are provided to provide a full understanding of the disclosed embodiments. However, one or more embodiments can still be implemented without these details. In other cases, well-known structures and devices can be simplified to facilitate the drawings.

[0035] The terms "first", "second", and the like in the specification and claims of the embodiments of the present disclosure and the above drawings are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present disclosure described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion.

[0036] In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "back" and the like indicate the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the embodiments of the present disclosure and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation. In addition, in addition to indicating the orientation or positional relationship, the above-mentioned part of the terms can also be used to represent other meanings, for example, the term "upper" can also be used to represent a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0037] In addition, the terms "set", "connected", "fixed" should be broadly understood. For example, "connected" can be fixedly connected, detachably connected, or integrally configured; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0038] Unless otherwise specified, the term "a plurality of" means two or more.

[0039] In the embodiments of the present disclosure, the character " / " represents an "or" relationship between the objects before and after it. For example, A / B means A or B.

[0040] The term "and / or" is a description of the association between objects, which means that there can be three relationships. For example, A and / or B means: A or B, or, A and B, the three relationships.

[0041] It should be noted that the embodiments in the embodiments of the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0042] As shown in Figures 1 to 8 The heat exchanger 20 of the air conditioner provided in the embodiments of the present disclosure not only can adapt to the wind speed at different positions of the windward surface, but also can avoid the risk of poor drainage on the surface of the heat exchanger 20, and the user experience is better.

[0043] As shown in Figures 1 to 8As shown, the heat exchanger 20 for the air conditioner provided by the embodiments of the present disclosure comprises a middle straight plate section 21, an upper straight plate section 22 and a lower straight plate section 23. The middle straight plate section 21 is arranged in the air conditioner, and the thickness of the middle straight plate section 21 is a first thickness W1; the upper straight plate section 22 is connected to the upper side of the middle straight plate section 21 by bending, the upper straight plate section 22 is arranged to be inclined towards the windward side, and the thickness of the upper straight plate section 22 is a second thickness W2; the lower straight plate section 23 is connected to the lower side of the middle straight plate section 21 by bending, the lower straight plate section 23 is arranged to be inclined towards the windward side, and the thickness of the lower straight plate section 23 is a third thickness W3; wherein the first thickness W1 is greater than or equal to the second thickness W2, and the first thickness W1 is greater than or equal to the third thickness W3.

[0044] Specifically, the air conditioner comprises a shell. The side wall surface of the shell 10 is provided with an air inlet 12 and an air outlet 13, and the mounting cavity 11 of the shell 10 is provided with an air duct, which is in communication with the air inlet 12 and the air outlet 13, respectively, and the air supply direction of the air duct is defined as from the air inlet 12 to the air outlet 13. The heat exchanger 20 is configured as an integrated plate structure, and the heat exchanger 20 is arranged in the vertical direction as a whole. The heat exchanger 20 comprises an upper straight plate section 22, a middle straight plate section 21 and a lower straight plate section 23, and the middle straight plate section 21 is arranged vertically. The upper straight plate section 22 is located above the middle straight plate section 21, and the upper end of the upper straight plate section 22 is arranged to be inclined towards the direction close to the air inlet 12. The lower straight plate section 23 is located below the middle straight plate section 21, and the lower end of the lower straight plate section is arranged to be inclined towards the direction close to the air inlet 12. In this way, the heat exchanger 20 as a whole can form an arch-shaped structure. It can be understood that the air speed at different positions in the air duct is different when the air in the air duct is blown to the heat exchanger 20. Therefore, arranging the heat exchanger 20 as a whole in an arch-shaped structure is more conducive to the heat exchanger 20 adapting to the air speed at different positions of the windward surface, thereby improving the heat exchange efficiency of the heat exchanger 20. At the same time, in order to improve the heat exchange area of the heat exchanger 20, the existing straight plate type heat exchanger 20 needs to be arranged to be inclined, which results in that the heat exchanger 20 as a whole occupies more space in the horizontal direction. Therefore, arranging the heat exchanger 20 as a whole in an arch-shaped structure can increase the heat exchange area while reducing the space occupied by the heat exchanger 20 in the horizontal direction.

[0045] It can be understood that the air flow rates in the upper, middle and lower parts of the air duct are different, and the air flow rate in the middle part of the air duct is generally faster. Therefore, making the first thickness W1 greater than or equal to the second thickness W2, and the first thickness W1 greater than or equal to the third thickness W3, can increase the heat exchange time of the air in the middle part of the air duct, and avoid affecting the flow of air in the upper and lower parts of the air duct.

[0046] In the above embodiment, since the sidewall of the middle straight plate section 21 is a vertical plane, the area of ​​the inclined plane of the heat exchanger 20 as a whole can be reduced, thereby avoiding the risk of poor drainage on the surface of the heat exchanger 20. Meanwhile, the included angle α between the upper straight plate section 22 and the middle straight plate section 21 can be set according to the size of the casing 10. For example, the included angle α between the upper straight plate section 22 and the middle straight plate section 21 can be 100°, 110°, 120°, 130°, or 140°. It is understood that the heat exchanger 20 will produce condensate during air conditioning operation. Therefore, making the included angle α greater than or equal to 100° can increase the slope of the upper straight plate section 22, further avoiding the risk of poor drainage on the surface of the heat exchanger 20. Similarly, the included angle β between the lower straight plate section 23 and the middle straight plate section 21 can be set according to the size of the housing 10. For example, the included angle β between the lower straight plate section 23 and the middle straight plate section 21 can be 100°, 110°, 120°, 130° or 140°.

[0047] In practical applications, some existing heat exchangers 20 are configured as split-type structures to accommodate the different air velocities of each part. However, the multiple separate parts of a split-type heat exchanger 20 increase the overall scrap rate during manufacturing, raising production costs. Furthermore, the multiple separate parts of a split-type heat exchanger 20 require individual installation, increasing the installation difficulty. Therefore, this application sets the heat exchanger 20 as an integrated bow-shaped structure, which not only accommodates the different air velocities of each part but also reduces the scrap rate during manufacturing and simplifies installation.

[0048] like Figure 2 As shown, in some embodiments, the ratio of the first thickness W1 to the second thickness W2 is greater than or equal to 1 and less than or equal to 2.

[0049] Specifically, the ratio of the first thickness W1 of the middle straight section 21 to the second thickness W2 of the upper straight section 22 is greater than or equal to 1 and less than or equal to 2. This allows the user to determine the thickness ratio of the middle straight section 21 and the upper straight section 22 based on the airflow velocity in the middle and upper parts of the duct. For example, the ratio of the first thickness W1 to the second thickness W2 can be 1, 1.2, 1.4, 1.6, 1.8, or 2.

[0050] In the above embodiments, when the thickness of the middle straight plate segment 21 is uneven, the thickness of the middle straight plate segment 21 refers to the thickness of the part with the largest thickness in the middle straight plate segment 21; similarly, when the thickness of the upper straight plate segment 22 is uneven, the thickness of the upper straight plate segment 22 refers to the thickness of the part with the largest thickness in the upper straight plate segment 22.

[0051] like Figure 2As shown, in some embodiments, the ratio of the first thickness W1 to the third thickness W3 is greater than or equal to 1 and less than or equal to 2.

[0052] Specifically, the ratio of the first thickness W1 of the middle straight section 21 to the third thickness W3 of the lower straight section 23 is greater than or equal to 1 and less than or equal to 2. This allows the user to determine the thickness ratio of the middle straight section 21 and the lower straight section 23 based on the airflow velocity in the middle and lower parts of the duct. For example, the ratio of the first thickness W1 to the third thickness W3 can be 1, 1.2, 1.4, 1.6, 1.8, or 2.

[0053] In the above embodiment, when the thickness of the lower straight plate segment 23 is uneven, the thickness of the lower straight plate segment 23 refers to the thickness of the part of the lower straight plate segment 23 with the largest thickness.

[0054] like Figure 2 As shown, in some embodiments, the heat exchanger 20 further includes: a refrigerant circulation pipeline 16. Multiple refrigerant circulation pipelines 16 are arranged along the length of the middle straight plate section 21 to form a first pipe group, and the spacing between the multiple refrigerant circulation pipelines 16 is a first spacing d1; multiple refrigerant circulation pipelines 16 are also arranged along the length of the upper straight plate section 22 to form a second pipe group, and the spacing between the multiple refrigerant circulation pipelines 16 is a second spacing d2; wherein the ratio of the first spacing d1 to the second spacing d2 is greater than or equal to 0.9, and less than or equal to 1.5.

[0055] Specifically, the refrigerant circulation pipe 16 is used for refrigerant flow, and the refrigerant circulation pipe 16 extends in an S-shape, bending sequentially along the length of the upper straight section 22, the middle straight section 21, and the lower straight section 23. Simultaneously, multiple pipe sections of the refrigerant circulation pipe 16 are located in the middle straight section 21 to form a first pipe group, and multiple pipe sections of the refrigerant circulation pipe 16 are located in the upper straight section 22 to form a second pipe group. The distance between two adjacent pipe sections within the first pipe group is a first distance d1, and the distance between two adjacent pipe sections within the second pipe group is a second distance d2. The ratio of the first distance d1 to the second distance d2 is greater than or equal to 0.9 and less than or equal to 1.5. For example, the ratio of the first distance d1 to the second distance d2 can be 0.9, 1, 1.1, 1.2, 1.3, 1.4, or 1.5. In this way, the pipe density of the middle straight plate section 21 and the pipe density of the upper straight plate section 22 can be determined according to the air flow velocity in the middle and upper parts of the air duct.

[0056] like Figure 2 As shown, in some embodiments, multiple refrigerant circulation pipes 16 are also provided along the length direction of the lower straight plate section 23 to form a third pipe group, and the spacing between the multiple refrigerant circulation pipes 16 is the third spacing d3; wherein, the ratio of the first spacing d1 to the third spacing d3 is greater than or equal to 0.9 and less than or equal to 1.5.

[0057] Specifically, the refrigerant circulation pipe 16 has multiple pipe sections located in the lower straight plate section 23 to form a third pipe group. The distance between two adjacent pipe sections in the third pipe group is the third spacing d3, and the ratio of the first spacing d1 to the third spacing d3 is greater than or equal to 0.9 and less than or equal to 1.5. For example, the ratio of the first spacing d1 to the third spacing d3 can be 0.9, 1, 1.1, 1.2, 1.3, 1.4, or 1.5. In this way, the pipe density of the middle straight plate section 21 and the pipe density of the lower straight plate section 23 can be determined according to the airflow velocity in the middle and lower parts of the duct.

[0058] like Figure 2 As shown, in some embodiments, multiple rows of first pipe groups are arranged along the width direction of the middle straight plate section 21, and the spacing between the multiple rows of first pipe groups is the first column spacing m1; multiple rows of second pipe groups are arranged along the width direction of the upper straight plate section 22, and the spacing between the multiple rows of second pipe groups is the second column spacing m2; wherein, the ratio of the first column spacing m1 to the second column spacing m2 is greater than or equal to 0.8, and less than or equal to 1.2.

[0059] Specifically, the middle straight section 21 is provided with multiple rows of first pipe groups, which are evenly distributed along the width direction of the middle straight section 21; the upper straight section 22 is provided with multiple rows of second pipe groups, which are also evenly distributed along the width direction of the upper straight section 22. The distance between two adjacent rows of first pipe groups in the middle straight section 21 is the first row spacing m1, and the distance between two adjacent rows of second pipe groups in the upper straight section 22 is the second row spacing m2. The ratio of the first row spacing m1 to the second row spacing m2 is greater than or equal to 0.8 and less than or equal to 1.2. For example, the ratio of the first row spacing m1 to the second row spacing m2 can be 0.8, 0.9, 1, 1.1, or 1.2. In this way, the overall pipe density of the middle straight section 21 and the overall pipe density of the upper straight section 22 can be determined according to the air velocity in the middle and upper parts of the duct.

[0060] like Figure 2 As shown, in some embodiments, multiple rows of third pipe groups are arranged along the width direction of the lower straight plate segment 23, and the spacing between the multiple rows of third pipe groups is the third column spacing m3; wherein, the ratio of the first column spacing m1 to the third column spacing m3 is greater than or equal to 0.8 and less than or equal to 1.2.

[0061] Specifically, the lower straight section 23 is provided with multiple rows of third pipe assemblies, which are evenly distributed along the width of the lower straight section 23. The distance between two adjacent rows of third pipe assemblies within the lower straight section 23 is the third row spacing m3. The ratio of the first row spacing m1 to the third row spacing m3 is greater than or equal to 0.8 and less than or equal to 1.2. For example, the ratio of the first row spacing m1 to the third row spacing m3 can be 0.8, 0.9, 1, 1.1, or 1.2. In this way, the overall pipe density of the middle straight section 21 and the overall pipe density of the lower straight section 23 can be determined based on the airflow velocity in the middle and lower parts of the duct.

[0062] like Figure 3 As shown, optionally, the thickness of the middle straight plate segment 21 is greater than the thickness of the upper straight plate segment 22, and the thickness of the middle straight plate segment 21 is greater than the thickness of the lower straight plate segment 23.

[0063] Specifically, the thickness of the middle straight section 21 is a first thickness W1, the thickness of the upper straight section 22 is a second thickness W2, and the thickness of the lower straight section 23 is a third thickness W3. The first thickness W1 is greater than both the second thickness W2 and the third thickness W3. For example, the second thickness W2 and the third thickness W3 can be 2 / 3 or 1 / 2 of the first thickness W1.

[0064] Understandably, when fan 14 supplies air to heat exchanger 20, the air velocity is highest at the middle straight plate section 21, while the air velocity at the upper straight plate section 22 and lower straight plate section 23 is lower than that at the middle straight plate section 21. Therefore, making the thickness of the middle straight plate section 21 greater than that of the upper straight plate section 22 and lower straight plate section 23 allows for sufficient heat exchange in the middle straight plate section 21 and ensures a more uniform air velocity after flowing through heat exchanger 20.

[0065] like Figure 4 As shown, optionally, the included angle α between the upper straight plate segment 22 and the middle straight plate segment 21 is less than or equal to 170°; the included angle β between the lower straight plate segment 23 and the middle straight plate segment 21 is less than or equal to 170°.

[0066] Specifically, the included angle α between the upper straight plate section 22 and the middle straight plate section 21 can be set according to the height of the mounting cavity. For example, the included angle α can be 170°, 160°, 150°, 140°, or 130°. In this way, the overall height of the upper straight plate section 22 can be reduced while ensuring the heat exchange area of ​​the upper straight plate section 22. Similarly, the included angle β of the second plate section can be 170°, 160°, 150°, 140°, or 130° to reduce the height of the lower straight plate section 23.

[0067] In the above embodiments, the height of the upper straight plate section 22 refers to the distance between the horizontal plane where the upper end surface of the upper straight plate section 22 is located and the horizontal plane where the lower end surface is located, and the height of the lower straight plate section 23 refers to the distance between the horizontal plane where the upper end surface of the lower straight plate section 23 is located and the horizontal plane where the lower end surface is located.

[0068] As shown in Figure 2 and Figure 5 Optionally, the side edge of the first cross section close to the fan 14 constitutes an upper windward line 221, and the side edge of the third cross section close to the fan 14 constitutes a lower windward line 231. The midpoint of the connecting line segment of the upper end point of the upper windward line 221 and the lower end point of the lower windward line 231 constitutes a reference point F. The first connecting included angle e1 between the reference point F and the connecting line of the upper end point and the lower end point of the upper windward line 221 is greater than or equal to 30° and less than or equal to 160°.

[0069] Specifically, the included angle between the reference point F and the connecting line of the upper end point and the lower end point of the upper windward line 221 is the first connecting included angle e1. The first connecting included angle e1 can be 30°, 60°, 90°, 120° or 160°. In this way, the inclination and length of the upper windward line 221 can be better adapted to the wind speed at the upper straight plate section 22. It can be understood that the side edge of the first cross section away from the fan 14 constitutes an upper leeward line 222. Since the first cross section is a parallelogram, the upper leeward line 222 is parallel to the upper windward line 221, that is, the inclination and length of the upper leeward line 222 are the same as those of the upper windward line 221.

[0070] As shown in Figure 3 and Figure 5 Optionally, the second connecting included angle e2 between the reference point F and the connecting line of the upper end point and the lower end point of the lower windward line 231 is greater than or equal to 30° and less than or equal to 160°.

[0071] Specifically, the included angle between the reference point F and the connecting line of the upper end point and the lower end point of the lower windward line 231 is the second connecting included angle e2. The second connecting included angle e2 can be 30°, 60°, 90°, 120° or 160°. In this way, the inclination and length of the lower windward line 231 can be better adapted to the wind speed at the lower straight plate section 23. It can be understood that the side edge of the third cross section away from the fan 14 constitutes a lower leeward line 232. Since the third cross section is a parallelogram, the lower leeward line 232 is parallel to the lower windward line 231, that is, the inclination and length of the lower leeward line 232 are the same as those of the lower windward line 231.

[0072] As shown in Figure 5 Optionally, the side edge of the second cross section close to the fan 14 constitutes a middle windward line 211. The third connecting included angle e3 between the reference point F and the connecting line of the upper end point and the lower end point of the middle windward line 211 is greater than or equal to 30° and less than or equal to 160°.

[0073] Specifically, the angle between the reference point F and the line connecting the upper and lower endpoints of the central windward line 211 is the third connecting angle e3. The third connecting angle e3 can be 30°, 60°, 90°, 120°, or 160°. This allows the inclination and length of the central windward line 211 to better match the wind speed at the central straight section 21. It can be understood that the side of the second cross-section away from the fan 14 constitutes the central leeward line 212. Since the second cross-section is rectangular, the length of the central leeward line 212 is the same as that of the central windward line 211.

[0074] like Figures 1 to 8 As shown, this embodiment of the present disclosure also provides an air conditioner including: a housing 10 and the aforementioned heat exchanger 20 for the air conditioner. The housing 10 is provided with a mounting cavity 11; the heat exchanger 20 for the air conditioner is installed in the mounting cavity 11.

[0075] Specifically, the housing 10 is provided with an installation cavity 11, and the side wall of the installation cavity 11 is also provided with snap fasteners such as clips or screws to form a fixing structure 15. The heat exchanger 20 can be snapped into the installation cavity by snap fasteners, or the heat exchanger 20 can be fastened to the installation cavity by fasteners.

[0076] An air conditioner using the heat exchanger 20 provided in this application can not only adapt to the wind speed at different positions on its windward side, but also avoid the risk of poor drainage on the surface of the heat exchanger 20, resulting in a better user experience.

[0077] like Figure 1 As shown, in some embodiments, the air conditioner further includes a fan 14. The fan 14 is disposed in the mounting cavity 11, and the fan 14 is located on one side of the heat exchanger 20; wherein the upper straight plate section 22 and the lower straight plate section 23 of the heat exchanger 20 are inclined toward the fan 14.

[0078] Specifically, the fan 14 is installed inside the air duct, and the fan 14 is located on the side of the heat exchanger 20 near the air inlet 12. The air outlet of the fan 14 is connected to the heat exchanger 20 through the air duct, and the airflow direction blown to the heat exchanger 20 is perpendicular to the heat exchanger 20 to increase the heat exchange efficiency between the heat exchanger 20 and the air.

[0079] like Figure 6 As shown, in some embodiments, the side wall of the heat exchanger 20 near the fan 14 is configured as the windward side wall 201, and the side wall of the heat exchanger 20 away from the fan 14 is configured as the leeward side wall 202; when the size and shape of the windward side wall 201 correspond to the size and shape of the leeward side wall 202, the air conditioner includes a plurality of heat exchangers 20; wherein the windward side wall 201 and leeward side wall 202 of adjacent heat exchangers 20 are fitted together.

[0080] Specifically, the air conditioner is provided with multiple heat exchangers 20, and the multiple heat exchangers 20 are stacked along the air outlet direction of the fan 14, that is, the multiple heat exchangers 20 are uniformly arranged along the horizontal direction, which can further improve the overall heat exchange efficiency of the heat exchanger 20. At the same time, the structure of stacking multiple heat exchangers 20 can reduce the size of a single heat exchanger 20, and is more convenient for processing the heat exchanger 20.

[0081] The above description and drawings sufficiently illustrate the embodiments of the present disclosure to enable one skilled in the art to practice them. Other embodiments can include structural and other changes. The embodiments are merely representative of the possible variations. Individual components and functions are optional unless explicitly required, and the order of operations can be varied. Parts and features of some embodiments can be included or substituted for parts and features of other embodiments. The embodiments of the present disclosure are not limited to the structures already described and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A heat exchanger for an air conditioner, characterized by, Comprising: a middle straight plate section, provided on the air conditioner, and the thickness of the middle straight plate section is a first thickness W1; an upper straight plate section, bent and connected to the upper side of the middle straight plate section, the upper straight plate section is inclined towards the windward side, and the thickness of the upper straight plate section is a second thickness W2; and a lower straight plate section, bent and connected to the lower side of the middle straight plate section, the lower straight plate section is inclined towards the windward side, and the thickness of the lower straight plate section is a third thickness W3; wherein the first thickness W1 is greater than or equal to the second thickness W2, and the first thickness W1 is greater than or equal to the third thickness W3.

2. The heat exchanger according to claim 1, wherein: the ratio of the first thickness W1 to the second thickness W2 is greater than or equal to 1, and less than or equal to 2.

3. The heat exchanger according to claim 2, wherein: the ratio of the first thickness W1 to the third thickness W3 is greater than or equal to 1, and less than or equal to 2.

4. The heat exchanger of claim 1, wherein Further comprising: a refrigerant circulation pipeline; a plurality of sections of the refrigerant circulation pipeline are provided along the length direction of the middle straight plate section to form a first pipe group, and the spacing between the plurality of sections of the refrigerant circulation pipeline is a first spacing d1; a plurality of sections of the refrigerant circulation pipeline are also provided along the length direction of the upper straight plate section to form a second pipe group, and the spacing between the plurality of sections of the refrigerant circulation pipeline is a second spacing d2; wherein the ratio of the first spacing d1 to the second spacing d2 is greater than or equal to 0.9, and less than or equal to 1.

5.

5. The heat exchanger according to claim 4, wherein: a plurality of sections of the refrigerant circulation pipeline are also provided along the length direction of the lower straight plate section to form a third pipe group, and the spacing between the plurality of sections of the refrigerant circulation pipeline is a third spacing d3; wherein the ratio of the first spacing d1 to the third spacing d3 is greater than or equal to 0.9, and less than or equal to 1.

5.

6. The heat exchanger according to claim 5, wherein: a plurality of columns of the first pipe group are provided along the width direction of the middle straight plate section, and the spacing between the plurality of columns of the first pipe group is a first column spacing m1; and a plurality of columns of the second pipe group are provided along the width direction of the upper straight plate section, and the spacing between the plurality of columns of the second pipe group is a second column spacing m2; wherein the ratio of the first column spacing m1 to the second column spacing m2 is greater than or equal to 0.8, and less than or equal to 1.

2.

7. The heat exchanger according to any one of claims 1 to 5, wherein: a plurality of columns of the third pipe group are provided along the width direction of the lower straight plate section, and the spacing between the plurality of columns of the third pipe group is a third column spacing m3; wherein the ratio of the first column spacing m1 to the third column spacing m3 is greater than or equal to 0.8, and less than or equal to 1.

2.

8. An air conditioner characterized by comprising: Comprising: a casing, provided with a mounting cavity; and the heat exchanger for an air conditioner according to any one of claims 1 to 7, mounted in the mounting cavity.

9. The air conditioner of claim 8, wherein Further comprising: a fan, provided in the mounting cavity, and the fan is located on one side of the heat exchanger; wherein the upper straight plate section and the lower straight plate section of the heat exchanger are inclined towards the fan.

10. The air conditioner of claim 9, wherein a side wall surface of the heat exchanger on a side closer to the fan is configured as a windward side wall surface, and a side wall surface of the heat exchanger on a side farther from the fan is configured as a leeward side wall surface; in a case where the size and shape of the windward side wall surface and the size and shape of the leeward side wall surface are set to correspond to each other, the air conditioner includes a plurality of the heat exchangers; wherein the windward side wall surface and the leeward side wall surface of adjacent heat exchangers are set to abut against each other. ​

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