WO2022116674A1

WO2022116674A1 - Heat exchange device and air conditioner

Info

Publication number: WO2022116674A1
Application number: PCT/CN2021/122393
Authority: WO
Inventors: 王命仁; 张铁钢; 孙西辉; 罗伟洪; 廖胜生; 李宏伟; 崔渊博; 劳同炳
Original assignee: 广东美的暖通设备有限公司; 美的集团股份有限公司
Priority date: 2020-12-02
Filing date: 2021-09-30
Publication date: 2022-06-09

Abstract

Disclosed are a heat exchange device and an air conditioner having the heat exchange device. The heat exchange device comprises a first heat exchanger, a second heat exchanger and a connecting assembly, wherein the second heat exchanger and the first heat exchanger are overlapped in the thickness direction of the first heat exchanger; the dimension of the second heat exchanger in the height direction thereof is smaller than that of the first heat exchanger in the height direction thereof; the distance between the top end of the second heat exchanger and the top end of the first heat exchanger is smaller than that between the bottom end of the second heat exchanger and the bottom end of the first heat exchanger; and the connecting assembly is used for connecting the first heat exchanger and the second heat exchanger. The heat exchange device according to the embodiments of the present application reduces the overall volume of the heat exchangers, improves the heat exchange efficiency, and achieves relative fixing of the first heat exchanger and the second heat exchanger to improve the connection stability of the heat exchange device.

Description

Heat Exchangers and Air Conditioners

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims the priority and rights of the Chinese patent applications with application numbers 202011401599.1, 202022892820.X and 202022893708.8, the entire contents of which are incorporated herein by reference.

technical field

The present application relates to the technical field of air conditioning equipment, and in particular, to a heat exchange device and an air conditioner having the heat exchange device.

Background technique

The heat exchange device is the key component of the heat exchange between the air conditioner and the outside world. In the related art, in order to improve the heat exchange efficiency of the heat exchange device, the structure of two or three rows of heat exchangers is generally adopted. Top and bottom plates are fixed.

However, in air conditioning equipment, the multi-row heat exchanger structure occupies a large space, which affects the use of the interior space of the air conditioner, and also causes the overall size of the air conditioner to increase, which affects the market attractiveness of the air conditioner.

In addition, the wind speed of different parts of the air conditioning system is different, so the heat exchange efficiency of different parts of the heat exchange device is also different.

SUMMARY OF THE INVENTION

The present application aims to solve one of the technical problems in the related art at least to a certain extent.

To this end, the embodiments of the present application propose a heat exchange device, which has a small overall volume and is beneficial to saving the interior space of the air conditioner.

Another embodiment of the present application provides an air conditioner having the above heat exchange device.

A heat exchange device according to an embodiment of the present application includes a first heat exchanger, a second heat exchanger and a connecting assembly, the first heat exchanger has a first end and a second end in the height direction thereof, the second heat exchanger The heat exchanger has a first end and a second end in its height direction, the second heat exchanger and the first heat exchanger are stacked in the thickness direction of the first heat exchanger, and the first heat exchanger is overlapped with the first heat exchanger in the thickness direction of the first heat exchanger. The dimension of the second heat exchanger in its height direction is smaller than the dimension of the first heat exchanger in its height direction, and the first end of the second heat exchanger is connected to the first end of the first heat exchanger The distance is smaller than the distance between the second end of the second heat exchanger and the second end of the first heat exchanger, and the connecting assembly is used to connect the first heat exchanger and the second heat exchanger .

According to the heat exchanger of the embodiment of the present application, by arranging the first heat exchanger and the second heat exchanger with different heights and sizes, the overall volume of the heat exchanger is reduced, and the utilization rate of the interior space of the air conditioner is improved. Special connection components for heat exchangers with different heights and sizes are designed, and the first heat exchanger and the second heat exchanger are connected through this connection component, so as to prevent the second heat exchanger from moving relative to the first heat exchanger, and it is easy to disassemble and improve. The connection stability of the heat exchanger is improved, and the assembly difficulty is reduced.

In some embodiments, the connecting assembly includes a fixing member and a connecting member, the fixing member is provided in the first heat exchanger and/or the second heat exchanger, and the connecting member is connected to the fixing member. pieces are connected.

In some embodiments, the connecting member includes a first side plate, a second side plate and a first connecting plate, one end of the first connecting plate is connected to the first side plate, and the first connecting plate is The other end is connected with the second side plate, and the fixing member is connected with the first side plate and/or the second side plate.

In some embodiments, the first connecting plate is connected to the top end of the second heat exchanger, the second side plate is connected to the fixing member in the second heat exchanger, the first a side plate is located between the first heat exchanger and the second heat exchanger, and the first side plate is connected to the fixing member in the first heat exchanger;

Alternatively, the first connecting plate is connected to the top end of the first heat exchanger and the top end of the second heat exchanger, and the second side plate is connected to the fixing member in the second heat exchanger connected, the first side plate is located on the side of the first heat exchanger away from the second heat exchanger.

In some embodiments, the first connecting plate is connected to the bottom end of the second heat exchanger, and the first side plate is connected to the fixing member in the first heat exchanger.

In some embodiments, the first side plate and the second side plate are parallel to each other, and the first side plate and the second side plate are respectively provided on the thickness direction of the second heat exchanger. On both sides, the second side plate is in contact with a side of the second heat exchanger away from the first heat exchanger.

In some embodiments, the first side plate and the second side plate are respectively provided on both sides of the first connecting plate in the height direction of the second heat exchanger.

In some embodiments, the connecting member further includes a guide plate, the guide plate is connected to an end of the second side plate away from the first connecting plate, and the guide plate is located in the first heat exchanger. The height direction is inclined toward the side away from the first heat exchanger along the direction away from the first connecting plate.

In some embodiments, the connecting piece includes a first connecting piece and a second connecting piece, the first connecting piece and the second connecting piece are spaced apart in the length direction of the first heat exchanger, so The first connecting member and the second connecting member each include the first side plate, the second side plate, the first connecting plate and the guide plate.

In some embodiments, the connecting assembly further includes a fourth connecting plate, the fourth connecting plate is arranged along the length direction of the first heat exchanger, and one end of the fourth connecting plate is connected to the first heat exchanger The other end of the fourth connecting plate is connected with the second connecting piece, and at least part of the fourth connecting plate is in contact with the second heat exchanger.

In some embodiments, the connection assembly includes a fixing member and a fastening member, the fixing member is provided in the first heat exchanger and/or the second heat exchanger, and the fastening member is connected to the fastening member. The fixing member is connected, and a part of the fastening member is in contact with the first end of the first heat exchanger and/or the first end of the second heat exchanger.

In some embodiments, the fastener includes a seventh side plate, an eighth side plate and a fifth connecting plate, and the eighth side plate and the seventh side plate are in the thickness of the second heat exchanger spaced in the direction, one end of the fifth connecting plate is connected with the seventh side plate, the other end of the fifth connecting plate is connected with the eighth side plate, and the seventh side plate is connected with the fixing The fifth connecting plate is in contact with the first end of the first heat exchanger and/or the first end of the second heat exchanger.

In some embodiments, the seventh side plate is in contact with a side of the second heat exchanger away from the first heat exchanger, and the eighth side plate is away from the first heat exchanger one side of the second heat exchanger is in contact; or,

The seventh side plate is located between the first heat exchanger and the second heat exchanger, and the eighth side plate is connected to a side of the first heat exchanger far away from the second heat exchanger. side contact.

In some embodiments, the fastener further includes a first guide plate, the first guide plate is connected to an end of the eighth side plate away from the fifth connecting plate, and the first guide plate is located at the end of the eighth side plate away from the fifth connecting plate. The height direction of the second heat exchanger is inclined toward a side away from the second heat exchanger along a direction away from the fifth connecting plate.

In some embodiments, the fasteners include a first fastener and a second fastener, and the first fastener and the second fastener are in a length direction of the second heat exchanger In the upper spaced arrangement, the first fastener and the second fastener each include the seventh side plate, the eighth side plate, the fifth connection plate and the first guide plate.

In some embodiments, the fixing member is arranged inside the first heat exchanger and/or the second heat exchanger along the height direction of the first heat exchanger, and the fixing member is provided with A through hole for the copper tube of the heat exchanger to pass through.

In some embodiments, the fixing member includes a first fixing member, the first fixing member is arranged in the first heat exchanger along the height direction of the first heat exchanger, and the first fixing member comprising a third side plate, a fourth side plate and a second connecting plate, the third side plate and the fourth side plate are spaced apart in the thickness direction of the second heat exchanger, and the second connecting plate One end of the connecting plate is connected to the third side plate, and the other end of the second connecting plate is connected to the fourth side plate;

and / or,

The fixing member includes a second fixing member, the second fixing member is arranged in the second heat exchanger along the height direction of the second heat exchanger, and the second fixing member includes a fifth side plate, A sixth side plate and a third connection plate, the fifth side plate and the sixth side plate are arranged at intervals in the thickness direction of the first heat exchanger, and one end of the third connection plate is connected to the first heat exchanger. The five side boards are connected, and the other end of the third connecting board is connected with the sixth side board.

In some embodiments, the connecting assembly includes a third fixing member, a supporting member and a connecting plate, the third fixing member and the supporting member are spaced apart in the height direction of the first heat exchanger, the One end of the connecting plate is connected to the third fixing member, the other end of the connecting plate is connected to the supporting member, and at least part of the third fixing member is in contact with the first end of the first heat exchanger , at least part of the support is in contact with the second end of the second heat exchanger.

In some embodiments, the third fixing member includes a first transverse plate and a ninth side plate, one end of the first transverse plate is connected to the ninth side plate, and the other end of the first transverse plate is connected to the ninth side plate. The connecting plates are connected, the first transverse plate is in contact with the first end of the first heat exchanger, and the ninth side plate and the first heat exchanger are far away from the second heat exchanger. contact on one side.

In some embodiments, the third fixing member further includes a second guide plate, the second guide plate is connected to an end of the first transverse plate away from the connecting plate, and is located in the first heat exchanger. In the height direction of , the second guide plate is inclined toward a side away from the first heat exchanger in a direction away from the first transverse plate.

In some embodiments, the support member includes a second horizontal plate and a tenth side plate, one end of the second horizontal plate is connected to the tenth side plate, and the other end of the second horizontal plate is connected to the tenth side plate. connecting plates are connected, the second transverse plate is in contact with the second end of the second heat exchanger, the tenth side plate is located between the first heat exchanger and the second heat exchanger, Alternatively, the tenth side plate is in contact with a side of the second heat exchanger away from the first heat exchanger.

In some embodiments, the connecting plate is arranged along the length direction of the second heat exchanger, and a first end of the connecting plate is connected to an end of the first transverse plate that is far away from the ninth side plate, The second end of the connecting plate is connected to the end of the second transverse plate away from the tenth side plate.

In some embodiments, the tenth side plate is located between the first heat exchanger and the second heat exchanger, and the connecting plate and the second heat exchanger are far from the first heat exchanger contact with one side of the device.

In some embodiments, the connecting plate includes a sixth connecting plate and a seventh connecting plate, a first end of the sixth connecting plate is connected to the first horizontal plate, and a second end of the sixth connecting plate is connected to the first horizontal plate. The first end of the seventh connecting plate is connected with the second horizontal plate.

In some embodiments, the tenth side plate is in contact with a side of the second heat exchanger away from the first heat exchanger, and the connecting plate is located between the first heat exchanger and the first heat exchanger. between the two heat exchangers.

In some embodiments, the first heat exchanger has a first end and a second end in a height direction thereof, and the first end of the second heat exchanger is connected to all the first ends of the first heat exchanger. The first end is flush, or the second end of the second heat exchanger is flush with the second end of the first heat exchanger.

In some embodiments, the ratio of the dimension of the second heat exchanger in the height direction to the dimension of the first heat exchanger in the height direction is 0.5-0.6.

In some embodiments, the first heat exchanger further includes first side plates, the first side plates are provided at both ends of the first heat exchanger in the length direction, and the second heat exchanger further includes Including second side plates, the second side plates are arranged at both ends of the second heat exchanger in the length direction, and the two ends of the first heat exchanger in the length direction are connected to the second heat exchanger. Both ends in the length direction are flush, and the first side plate and the second side plate located at the same end of the heat exchange device are integrally formed, or, the first side plate and the second side plate located at the same end of the heat exchange device are formed. The second side plates are connected.

An air conditioner according to another embodiment of the present application includes a heat exchange device, and the heat exchange device is the heat exchange device of any of the above embodiments.

Description of drawings

1 is a schematic diagram of a heat exchange device according to a first embodiment of the present application;

2 is a top view of a heat exchange device according to a first embodiment of the present application;

3 is a schematic diagram of a first fixing member and a first connecting member of the heat exchange device according to the first embodiment of the present application;

Fig. 4 is a partial enlarged view of the part A of the heat exchange device shown in Fig. 3;

Figure 5 is a front view of the heat exchange device shown in Figure 3;

Fig. 6 is the partial enlarged view of B of the heat exchange device shown in Fig. 5;

Fig. 7 is another schematic diagram of the heat exchange device according to the first embodiment of the present application;

Figure 8 is a front view of the heat exchange device shown in Figure 7;

Figure 9 is a top view of the heat exchange device shown in Figure 7;

Fig. 10 is a schematic diagram of the first fixing member and the connecting member of the heat exchange device shown in Fig. 7;

Fig. 11 is a partial enlarged view of the position C of the heat exchange device shown in Fig. 10;

Fig. 12 is another schematic diagram of the heat exchange device according to the first embodiment of the present application;

Fig. 13 is a partial enlarged view of D of the heat exchange device shown in Fig. 12;

14 is an exemplary schematic diagram of the relative positions of the first heat exchanger and the second heat exchanger of the heat exchange device according to an embodiment of the present application;

15 is another exemplary schematic diagram of the relative positions of the first heat exchanger and the second heat exchanger of the heat exchange device according to an embodiment of the present application;

Fig. 16 is a distribution diagram of the oncoming wind speed at different positions of multiple rows of heat exchangers with the same height;

Fig. 17 is a distribution diagram of the oncoming wind speed at different positions of the heat exchange device according to the first embodiment of the present application;

18 is a schematic diagram of a heat exchange device according to a second embodiment of the present application;

19 is a front view of a heat exchange device according to a second embodiment of the present application;

20 is a top view of a heat exchange device according to a second embodiment of the present application;

FIG. 21 is a schematic diagram of the first fixing member and the second fixing member of the heat exchange device shown in FIG. 20 .

Fig. 22 is a partial enlarged view of part A of the heat exchange device shown in Fig. 21;

23 is a schematic diagram of a connection assembly according to a second embodiment of the present application;

Fig. 24 is a partial enlarged view of B of the heat exchange device shown in Fig. 23;

Fig. 25 is another schematic diagram of the connection assembly according to the second embodiment of the present application;

Fig. 26 is a partial enlarged view of the position C of the heat exchange device shown in Fig. 25;

27 is a schematic diagram of a heat exchange device according to a third embodiment of the present application;

28 is a front view of a heat exchange device according to a third embodiment of the present application;

29 is a top view of a heat exchange device according to a third embodiment of the present application;

30 is a schematic diagram of a connection assembly of a heat exchange device according to a third embodiment of the present application;

Fig. 31 is a partial enlarged view of part A of the heat exchange device shown in Fig. 30;

Fig. 32 is a partial enlarged view of B of the heat exchange device shown in Fig. 30;

Figure 33 is a partial enlarged view of the heat exchange device shown in Figure 30 at C;

Fig. 34 is another schematic diagram of the heat exchange device according to the third embodiment of the present application;

Figure 35 is a front view of the heat exchange device of the heat exchange device shown in Figure 34;

Figure 36 is a top view of the heat exchange device shown in Figure 34;

FIG. 37 is a schematic diagram of the connection assembly of the heat exchange device shown in FIG. 34 .

Reference number:

The first heat exchanger 1, the first side plate 11,

The second heat exchanger 2, the second side plate 21,

connection component 3,

The first fixing piece 31, the third side board 311, the fourth side board 312, the second connecting board 313, the second fixing piece 32, the fifth side board 321, the sixth side board 322, the third connecting board 323,

connecting piece 33, first side plate 331, second side plate 332, first connecting plate 333, guide plate 334, first connecting piece 335, second connecting piece 336, first bolt 337,

the fourth connecting plate 34,

The fastener 35, the seventh side plate 351, the eighth side plate 352, the fifth connecting plate 353, the first guide plate 354, the first fastener 355, the second fastener 356, the second bolt 357,

The third fixing member 36, the ninth side plate 361, the first transverse plate 362, the second guide plate 363,

The support 37, the tenth side plate 371, the second transverse plate 372,

The connecting plate 38 , the sixth connecting plate 381 , and the seventh connecting plate 382 .

Detailed ways

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to be used to explain the present application, but should not be construed as a limitation to the present application.

First embodiment:

As shown in FIGS. 1 and 2 , the heat exchange device according to the embodiment of the present application includes a first heat exchanger 1 , a second heat exchanger 2 and a connecting component 3 , the second heat exchanger 2 and the first heat exchanger 1 Stacked in the thickness direction of the first heat exchanger 1 (the front-rear direction indicated by the arrow in FIG. 1 ), the number of the first heat exchanger 1 may be multiple, and the second heat exchanger 2 in the height direction The size is smaller than the size of the first heat exchanger 1 in its height direction (the up and down direction shown by the arrow in FIG. 1 ), and the distance between the top end of the second heat exchanger 2 and the top end of the first heat exchanger 1 is smaller than that of the second heat exchanger 1 . The distance between the bottom end of the heat exchanger 2 and the bottom end of the first heat exchanger 1, the two ends of the first heat exchanger 1 in the height direction are respectively fixed and installed in the housing of the air conditioner, and the distances in the height direction of the first heat exchanger 1 are One end is provided with an air outlet and a fan, and the air is discharged through the air outlet after heat exchange in the heat exchanger.

It should be noted that due to the different wind speeds in different parts of the air conditioning system, the heat exchange efficiencies of different positions of the heat exchange device are also different. The heat exchange device in the embodiment of the present application can adjust the position of the second heat exchanger 2 according to the wind speed, For example, if the second heat exchanger 2 is installed near the top of the first heat exchanger 1, the second heat exchanger is closer to the fan, the first heat exchanger 1 and the second heat exchanger 2 work at the same time, and the heat exchange is improved. The heat exchange efficiency of the air conditioner can be improved, and the heat exchange of the first heat exchanger 1 is only required for the position far from the fan, which not only reduces the production cost of the air conditioner, but also reduces the volume of the heat exchanger. The small occupied space is conducive to the full utilization of the internal space of the air conditioner, and the overall size of the air conditioner can be reduced, so as to improve the market attractiveness of the air conditioner.

The connection assembly 3 includes a fixing piece and a connecting piece 33, the fixing piece is arranged in the first heat exchanger 1 and/or the second heat exchanger 3, the connecting piece 33 is connected with the fixing piece, and the connecting piece 33 is used for connecting the first heat exchanger 1 and the second heat exchanger 2, it can be understood that the fixing member can be separately provided in the first heat exchanger 1, and the connecting member 33 is respectively connected with the fixing member 1 and the second heat exchanger 2, or, the fixing member Separately arranged in the second heat exchanger 2, the connecting piece 33 is connected with the fixing piece and the first heat exchanger 1 respectively, or the fixing piece is arranged in the first heat exchanger 1 and the second heat exchanger 2 at the same time, the connecting piece 33 is connected to the fixing member in the first heat exchanger 1 and the fixing member in the second heat exchanger 2 at the same time, and the above three methods can stably connect the first heat exchanger 1 and the second heat exchanger 2.

According to the heat exchange device of the embodiment of the present application, by arranging the first heat exchanger 1 and the second heat exchanger 2 with different heights and sizes, the overall volume of the heat exchange device is reduced, the utilization rate of the interior space of the air conditioner is improved, and The position of the second heat exchanger is closer to the fan, which improves the heat exchange efficiency of the heat exchanger. In addition, special connection assemblies 3 for heat exchangers with different heights and sizes are also designed, and the first heat exchanger 1 and the second heat exchanger 2 are connected by this connection assembly 3, which improves the connection stability of the heat exchange device.

In some embodiments, the connecting member 33 includes a first side plate 331 , a second side plate 332 and a first connecting plate 333 , and the first side plate 331 and the second side plate 332 are in the thickness direction of the first heat exchanger 1 . spaced, one end of the first connecting plate 333 is connected to the first side plate 331 , the other end of the first connecting plate 333 is connected to the second side plate 332 , and the fixing member is connected to the first side plate 331 and/or the second side plate 332 connected to connect the first heat exchanger 1 with the second heat exchanger 2 .

It should be noted that the connecting member structure composed of the first side plate 331, the second side plate 332 and the first connecting plate 333 can be in various forms such as U-shape, Z-shape, H-shape or n-shape, and the connecting piece can be combined with the first Either end of a heat exchanger 1 or a second heat exchanger 2 in the height direction is connected.

In some embodiments, the first connecting plate 333 is connected to the top of the second heat exchanger 2 , the second side plate 332 is connected to the fixing member in the second heat exchanger 2 , and the first side plate 331 is located in the first heat exchanger 2 . between the heat exchanger 1 and the second heat exchanger 2 , and the first connecting plate 333 is connected to the fixing member in the first heat exchanger 1 . It can be understood that, in this embodiment, the connecting piece 33 is n-shaped, and the first connecting plate 333 is connected to the top of the second heat exchanger 2 , and the first side plate 331 is connected to the fixing plate in the first heat exchanger 1 The second side plate 332 is connected to the fixing member in the second heat exchanger 2 to connect the second heat exchanger 2 to one side of the first heat exchanger 1 .

In some embodiments, the first connecting plate 333 is connected to the top end of the first heat exchanger 1 and the top end of the second heat exchanger 2 , the second side plate 332 is connected to the fixing member in the second heat exchanger 2 , the first The side plate 331 is located on the side of the first heat exchanger 1 away from the second heat exchanger 2 . In this embodiment, the connecting piece is n-shaped, and the first connecting plate 333 spans the top end of the first heat exchanger 1 and the top end of the second heat exchanger 2, and the second heat exchanger 2 is suspended from the first heat exchanger side of device 1.

In some embodiments, the first connecting plate 333 is connected to the bottom end of the second heat exchanger 2 , and the first side plate 331 is connected to the fixing member in the first heat exchanger 1 . It can be understood that the connecting member 33 in this embodiment is U-shaped or Z-shaped, the connecting member 33 is connected to the first heat exchanger 1 through the first side plate 331 , and the first connecting plate 333 is supported on the second heat exchanger. 2, so as to connect the second heat exchanger 2 with the first heat exchanger 1.

Specifically, the first side plate 331 and the second side plate 332 are parallel to each other, the first side plate 331 and the second side plate 332 are respectively provided on both sides of the second heat exchanger 2 in the thickness direction, and the second side plate 332 It is in contact with the side of the second heat exchanger 2 remote from the first heat exchanger 1 . The second side plate 332 is in contact with the side of the second heat exchanger 2 away from the first heat exchanger 1 , which can prevent the second heat exchanger 2 from moving along its thickness direction during transportation.

Preferably, the first side plate 331 and the second side plate 332 are respectively provided on both sides of the first connecting plate 333 in the height direction of the first heat exchanger 1 . The bottom end is in contact, and the second side plate 332 is in contact with the side of the second heat exchanger 2 away from the first heat exchanger 1 . The first side plate 331 , the second side plate 332 and the first connecting plate 333 form a Z-shaped structure. The first side plate 331 is arranged on the side of the first connecting plate 333 that is close to the bottom end in the height direction of the first heat exchanger 1 , The second side plate 332 is provided on the side of the first connecting plate 333 close to the top end in the height direction of the second heat exchanger 2 .

As shown in FIG. 3 , in some embodiments, the connecting member 33 further includes a guide plate 334 for guiding the second heat exchanger 2 when the second heat exchanger 2 is installed on the first heat exchanger 1 2 is moved into the connecting piece 33. The guide plate 334 is connected to one end of the second side plate 332 away from the first connection plate 333 , and the guide plate 334 faces away from the second heat exchanger in the height direction of the first heat exchanger 1 along the direction away from the first connection plate 333 2 is tilted on one side.

In this way, when the second heat exchanger 2 is installed, the second heat exchanger 2 is moved from top to bottom, and the bottom end of the second heat exchanger 2 is moved to the first heat exchanger 1 under the action of the guide plate 334 In the groove formed by the side wall, the first connecting plate 333 and the second side plate 332, it is not necessary to ensure that the second heat exchanger 2 is always in contact with the first heat exchanger 1 in this process, which reduces the second heat exchange Installation difficulty of device 2.

As shown in FIG. 1 , in some embodiments, the connecting piece 33 includes a first connecting piece 335 and a second connecting piece 336 , and the first connecting piece 335 and the second connecting piece 336 are in the length direction of the first heat exchanger 1 . Arranged at intervals, the first connecting member 335 and the second connecting member 336 each include a first side plate 331 , a second side plate 332 and a first connecting plate 333 . Therefore, the first connecting member 335 and the second connecting member 336 cooperate with each other, which can play a better supporting role, and can prevent the second heat exchanger 2 from tilting.

In some embodiments, the fixing member is arranged inside the first heat exchanger 1 and/or the second heat exchanger 2 along the height direction of the first heat exchanger 1 , and the fixing member is provided with copper supply for the heat exchanger. The through hole through which the tube passes.

Specifically, the fixing member includes a first fixing member 31 and a second fixing member 32, the first fixing member 31 is arranged in the first heat exchanger 1 along the height direction of the first heat exchanger 1, and the second fixing member 32 is arranged along the height direction of the first heat exchanger 1. The height direction of the second heat exchanger 2 is set in the second heat exchanger 2. Of course, only the first fixing member 31 or only the second fixing member 32 can be selected, or the first fixing member 31 and the second fixing member 32 can be set at the same time. The second fixing member 32 .

The first fixing member 31 includes a third side plate 311, a fourth side plate 312 and a second connecting plate 313. The third side plate 311 and the fourth side plate 312 are arranged at intervals in the thickness direction of the first heat exchanger 1. One end of the second connecting plate 313 is connected to the third side plate 311 , the other end of the second connecting plate 313 is connected to the fourth side plate 312 , and the third side plate 311 is connected to the first heat exchanger 1 close to the second heat exchanger 2 The inner wall is in contact, and the fourth side plate 312 is in contact with the inner wall of the first heat exchanger 1 away from the second heat exchanger 2. The first side plate 331 is connected to the third side plate 311 .

The second fixing member 32 includes a fifth side plate 321 , a sixth side plate 322 and a third connecting plate 323 . The fifth side plate 321 and the sixth side plate 322 are arranged at intervals in the thickness direction of the second heat exchanger 2 . One end of the three connecting plates 323 is connected to the fifth side plate 321 , the other end of the third connecting plate 323 is connected to the sixth side plate 322 , and the second side plate 332 is connected to the fifth side plate 321 .

It should be noted that, the first fixing member 31 may only include the third side plate 311 and the second connecting plate 313 , the third side plate 311 is arranged along the length direction of the first heat exchanger 1 , and the second connecting plate 313 is arranged along the length of the first heat exchanger 1 . The heat exchanger 1 is arranged in the thickness direction, and one end of the second connecting plate 313 is connected to the third side plate 311. Therefore, the cross-sectional shape of the first fixing member 31 is L-shaped, and the first side plate 331 is connected to the third side plate 311. 311 is connected.

Similarly, the second fixing member 32 may only include a fifth side plate 321 and a third connecting plate 323, the fifth side plate 321 is arranged along the length direction of the second heat exchanger 2, and the third connecting plate 323 is along the second heat exchange One end of the third connecting plate 323 is connected to the fifth side plate 321 , the cross-sectional shape of the second fixing member 32 is L-shaped, and the second side plate 332 is connected to the fifth side plate 321 .

In this way, the first heat exchanger 1 and the second heat exchanger 2 can be connected and fixed together through the connecting assembly 3, the second heat exchanger 2 and the first heat exchanger 1 can no longer move relative to each other, and the connection is more stable.

As shown in FIGS. 7-11 , in some embodiments, the connecting assembly 3 further includes a fourth connecting plate 34 , the fourth connecting plate 34 is arranged along the length direction of the first heat exchanger 1 , and one end of the fourth connecting plate 34 is Connected with the first connecting piece 335 , the other end of the fourth connecting plate 34 is connected with the second connecting piece 336 , and at least part of the fourth connecting plate 34 is in contact with the bottom end of the second heat exchanger 2 .

The fourth connecting plate 34 can not only connect the first connecting member 335 and the second connecting member 336 to improve the strength of the connecting member 33, but also a part of the fourth connecting plate 34 is connected with the second heat exchanger 2, and can also play an auxiliary role. The function of support reduces the pressure on the first connecting piece 335 and the second connecting piece 336 , prevents the connecting piece 33 from being deformed due to excessive pressure, and improves the service life of the connecting piece 33 .

It should be noted that the heat exchange device according to the embodiment of the present application is a U-shaped heat exchanger, and the first connecting member 335 and the second connecting member 336 are arranged in the middle of the U-shaped heat exchanger, so as to play a better supporting role . In addition, the heat exchange device may also be a G-shaped heat exchanger or a heat exchanger of other structures, and the position of the connecting member 33 may be arranged according to the actual situation.

As shown in FIG. 4 and FIG. 6 , in some embodiments, the side wall of the first heat exchanger 1 is provided with a first through hole (not shown), and the side wall of the second heat exchanger 2 is provided with a first through hole (not shown). Two through holes (not shown), the connecting assembly 3 further includes a first bolt 337 and a second bolt, the first bolt 337 penetrates the first through hole to connect the connecting member 33 and the first fixing member 31, and the second bolt penetrates the second A through hole is formed to connect the connecting piece 33 and the second fixing piece 32 .

As shown in FIGS. 14 and 15 , in some embodiments, the top of the second heat exchanger 2 in the height direction is flush with the top of the first heat exchanger 1 in the height direction, or the second heat exchanger 2 is flush with the top of the first heat exchanger 1 in the height direction. The bottom end of the heat exchanger 2 in the height direction is flush with the bottom end of the first heat exchanger 1 in the height direction.

Both positions of the second heat exchanger 2 can reduce the volume of the heat exchange device. The specific position of the second heat exchanger 2 should be determined according to the position of the air-conditioning fan, and in order to maximize the heat exchange efficiency, the second heat exchange The heat exchanger 2 should be flush with the end of the first heat exchanger 1 close to the fan.

In some embodiments, the ratio of the size of the second heat exchanger 2 in its height direction to the size of the first heat exchanger 1 in its height direction is 0.5-0.6, in other words, the height of the second heat exchanger 2 It is 0.5-0.6 times the height of the first heat exchanger 1 .

Figure 16 is the distribution diagram of the oncoming wind speed at different positions of multiple rows of heat exchangers with the same height in the prior art, the ordinate in the figure represents the wind speed of the measured point, the abscissa refers to the distance between the measured point and the fan and the change The ratio of the maximum height of the heater, and the larger the abscissa, the farther the measured point is from the fan. As shown in Figure 16, when the distance between the heat exchanger and the fan is 0.5-0.6 times the maximum height of the heat exchanger, the wind speed remains at a minimum value, and as the distance increases, the wind speed changes very little. The wind speed at the far position is very small, therefore, the heat exchangers in multiple rows will not effectively increase the heat exchange efficiency, so only the second heat exchanger 2 can be arranged at the position with the high wind speed.

Fig. 17 is the distribution diagram of the oncoming wind speed at different positions of the heat exchange device according to the embodiment of the present application, and the ratio of the height of the second heat exchanger 2 to the height of the first heat exchanger 1 is 0.5, and the ordinate in the figure represents the The wind speed of the measuring point, the abscissa refers to the ratio of the distance between the measured point and the fan to the maximum height of the second heat exchanger 2, as shown in Figure 17, when the height dimension of the second heat exchanger 2 is the first When the height of the heat exchanger 1 is 0.5 times the size of the height of the heat exchanger 1, the wind speed at different positions of the second heat exchanger 2 is relatively uniform, and the heat exchange efficiency of the second heat exchanger 2 at different heights is not much different, which does not affect the heat exchange efficiency of the air conditioner. cause too much impact.

As shown in FIG. 1 , in some embodiments, the first heat exchanger 1 further includes a first side plate 11 , and the first side plate 11 is arranged in the length direction of the first heat exchanger 1 (left and right shown by the arrow in FIG. 1 ). direction), the second heat exchanger 2 further includes second side plates 21, and the second side plates 21 are arranged on the two sides in the length direction of the second heat exchanger 2 (the left and right directions shown by the arrows in FIG. 1 ). The first side plate 11 and the second side plate 21 are both provided with through holes for the heat exchange pipes to pass through.

Both ends of the first heat exchanger 1 in the longitudinal direction are flush with the two ends of the second heat exchanger 2 in the longitudinal direction, therefore, the first side plate 11 and the second side plate 21 located at the same end of the heat exchange device are also flush The first side plate 11 and the second side plate 21 located at the same end of the heat exchange device are integrally formed, or the first side plate 11 and the second side plate 21 located at the same end of the heat exchange device are connected.

In this way, the first side plate 11 and the second side plate 21 can play a connecting role to prevent the first heat exchanger 1 and the second heat exchanger 2 from moving relative to each other. It should be noted that the length of the second side plate 21 can be the same as the size of the second heat exchanger in its height direction, which can save materials and reduce costs. The length of the second side plate 21 can also be the same as that of the first heat exchanger 1 . The dimensions in the height direction are the same, so that the second side plate 21 and the first side plate 11 can be used in common, which is convenient for later maintenance and replacement, and the second side plate 21 can also be used with the existing heat exchanger. The board is universal and does not need to be processed separately, which is beneficial to reduce production costs.

The heat exchange device of a specific example of the first embodiment will be described below with reference to the accompanying drawings.

As shown in FIGS. 1-6 , the heat exchange device according to the embodiment of the present application includes a first heat exchanger 1 , a second heat exchanger 2 and a connecting component 3 , the second heat exchanger 2 and the first heat exchanger 1 Stacked in the thickness direction of the first heat exchanger 1, the ratio of the size of the second heat exchanger 2 in the height direction to the size of the first heat exchanger 1 in the height direction is 0.5, and the first heat exchanger The top of the heat exchanger 1 in the height direction is flush with the top of the second heat exchanger 2 in the height direction.

Both ends of the first heat exchanger 1 in the length direction are flush with the two ends of the second heat exchanger 2 in the length direction. Both ends of the heat exchanger 2 are provided with second side plates 21, and the first side plates 11 and the second side plates 21 located at the same end of the heat exchanger are integrally formed.

The connecting assembly 3 includes a first fixing member 31 , a first connecting member 335 and a second connecting member 336 . The first fixing member 31 is arranged in the first heat exchanger 1 along the height direction of the first heat exchanger 1 . The number of the pieces 31 is two, and the two first fixing pieces 31 are arranged at intervals along the length direction of the first heat exchanger 1 .

The first fixing member 31 includes a third side plate 311, a fourth side plate 312 and a second connecting plate 313. The third side plate 311 and the fourth side plate 312 are arranged at intervals in the thickness direction of the first heat exchanger 1. The third side plate 311 and the fourth side plate 312 are connected by the second connecting plate 313 .

The first connecting pieces 335 and the second connecting pieces 336 are arranged at intervals along the length direction of the first heat exchanger 1 , the first connecting pieces 335 and the second connecting pieces 336 are respectively connected with the two first fixing pieces 31 , and the first connecting pieces The member 335 and the second connecting member 336 each include a first side plate 331, a second side plate 332, a first connecting plate 333 and a guide plate 334, the first side plate 331 and the second side plate 332 are parallel to each other, and the first side plate 331 and the second side plate 332 The plate 331 and the second side plate 332 are arranged at intervals in the thickness direction of the first heat exchanger 1, one end of the first connecting plate 333 is connected to the first side plate 331, and the other end of the first connecting plate 333 is connected to the second side plate 331. The plates 332 are connected, the first side plate 331 is arranged on the side of the first connecting plate 333 close to the bottom end in the height direction of the first heat exchanger 1, and the second side plate 332 is arranged on the first connecting plate 333 on the first heat exchanger 1. 1 The side close to the top in the height direction. The first side plate 331 is connected to the first fixing member 31 through a connecting piece, the first connecting plate 333 is in contact with the bottom end of the second heat exchanger 2 , and the second side plate 332 and the second heat exchanger 2 are far away from the first heat exchanger 2 . One side of the heater 1 is in contact.

The guide plate 334 is connected to one end of the second side plate 332 away from the first connection plate 333 , and the guide plate 334 faces away from the second heat exchanger in the height direction of the first heat exchanger 1 along the direction away from the first connection plate 333 2 is tilted on one side.

The heat exchange device of another specific example of the first embodiment will be described below with reference to the accompanying drawings.

As shown in FIGS. 7-11 , the heat exchange device according to the embodiment of the present application includes a first heat exchanger 1 , a second heat exchanger 2 and a connection assembly 3 .

The connecting assembly 3 includes a first fixing member 31 , a first connecting member 335 , a second connecting member 336 and a fourth connecting plate 34 , and the first connecting member 335 and the second connecting member 336 are spaced apart along the length direction of the first heat exchanger 1 . Arrangement, the fourth connecting plate 34 is arranged along the length direction of the first heat exchanger 1, one end of the fourth connecting plate 34 is connected with the first connecting piece 335, and the other end of the fourth connecting plate 34 is connected with the second connecting piece 336, And at least part of the fourth connecting plate 34 is in contact with the bottom end of the second heat exchanger 2 .

Other structures of the heat exchanger shown in FIGS. 7 to 11 may be the same as those of the embodiment shown in FIGS. 1 to 6 , and will not be described in detail here.

Second embodiment:

As shown in FIG. 18 and FIG. 19 , the heat exchange device according to the embodiment of the present application includes a first heat exchanger 1 , a second heat exchanger 2 and a connecting assembly 3 , and the second heat exchanger 2 is connected to the first heat exchanger 1 . The first heat exchangers 1 are stacked in the thickness direction (the front and rear directions shown by the arrows in FIG. 19 ), the number of the first heat exchangers 1 may be plural, and the second heat exchangers 2 are stacked in the height direction. The size is smaller than the size of the first heat exchanger 1 in its height direction, the first heat exchanger 1 has a first end and a second end in its height direction (the up and down direction indicated by the arrow in FIG. 19 ), and the second heat exchanger 1 The heat exchanger 2 has a first end and a second end in the height direction (the up and down direction shown by the arrow in FIG. 19 ), and the two ends in the height direction of the first heat exchanger 1 are respectively fixed and installed in the casing of the air conditioner, and An air outlet and a fan are provided at one end of the first heat exchanger 1 in the height direction, and the air is discharged through the air outlet after heat exchange in the heat exchange device.

The connection assembly 3 includes a fixing piece and a buckling piece 35, the fixing piece is connected with the first heat exchanger 1 or the second heat exchanger 2, the buckling piece 35 is connected with the fixing piece, and a part of the buckling piece 35 is connected with the first heat exchanger The first end in the height direction of the heat exchanger 1 and/or the first end in the height direction of the second heat exchanger 2 are in contact. Thereby, the second heat exchanger 2 is suspended from the first heat exchanger by the connecting assembly.

It should be noted that, due to the different wind speeds in different parts of the air-conditioning system, the heat exchange efficiencies of different positions of the heat exchange device are also different. If the second heat exchanger 2 is installed near the fan, the first heat exchanger 1 and the second heat exchange work at the same time to improve the heat exchange efficiency of the heat exchange device at the fan, while the position far from the fan only needs the first heat exchanger One heat exchanger 1 can exchange heat to meet the heat exchange requirements, which not only reduces the production cost of the air conditioner, but also reduces the volume of the heat exchange device. Reduce the overall size of the air conditioner to improve the market attractiveness of the air conditioner.

According to the heat exchange device of the embodiment of the present application, by arranging the first heat exchanger 1 and the second heat exchanger 2 with different heights and sizes, the overall volume of the heat exchange device is reduced, the utilization rate of the interior space of the air conditioner is improved, and in addition , and also designed special connection components 3 for heat exchangers with different heights and sizes, and suspended the second heat exchanger 2 on one side of the first heat exchanger 1 to realize the connection between the second heat exchanger 2 and the first heat exchanger. 1 is relatively fixed and easy to disassemble, which improves the connection stability of the heat exchange device and reduces the difficulty of assembly.

As shown in FIGS. 25 and 26 , in some embodiments, the fastener 35 includes a seventh side plate 351 , an eighth side plate 352 and a fifth connecting plate 353 , and the seventh side plate 351 and the eighth side plate 352 are The second heat exchanger 2 is arranged at intervals in the thickness direction, the seventh side plate 351 is connected to one end of the fifth connecting plate 353, the eighth side plate 352 is connected to the other end of the first connecting plate, and the seventh side plate 351 is connected to the fixed The fifth connecting plate 353 is in contact with the first end of the first heat exchanger 1 and/or the first end in the height direction of the second heat exchanger 2, so as to suspend the second heat exchanger 2 on the first end of the first heat exchanger 2. One side of heat exchanger 1.

In some embodiments, the seventh side plate 351 is in contact with the side of the second heat exchanger 2 away from the first heat exchanger 1 , and the eighth side plate 352 is in contact with the side of the first heat exchanger 1 away from the second heat exchanger 2 is in contact with one side, in this embodiment, the seventh side plate 351 should be connected to the fixing member in the second heat exchanger 2, and the fastening member 35 is fastened on the first end of the first heat exchanger 1 and The first end of the second heat exchanger 2 . This arrangement can prevent the second heat exchanger 2 from moving along its thickness direction during transportation, and the second heat exchanger 2 is separated from the first heat exchanger 1, which further improves the exchange rate between the second heat exchanger 2 and the first heat exchanger 1. Stability of Heater 1 connection.

In some embodiments, the seventh side plate 351 is located between the first heat exchanger 1 and the second heat exchanger 2 , and the eighth side plate 352 is connected to a side of the first heat exchanger 1 away from the second heat exchanger 2 . In this embodiment, the seventh side plate 351 should be connected to the fixing member in the second heat exchanger 2, and the fastening member 35 is fastened on the first end of the first heat exchanger 1, realizing the first Stable connection of a heat exchanger 1 to a second heat exchanger 2.

In some embodiments, the fastener 35 further includes a first guide plate 354 for guiding the fastener 35 to be fastened on the first end of the first heat exchanger 1 , specifically, the first guide plate 354 The plate 354 is connected to the end of the eighth side plate 352 away from the fifth connection plate 353 , and the first guide plate 354 faces away from the second heat exchanger along the direction away from the fifth connection plate 353 in the height direction of the second heat exchanger 2 . 2 is tilted on one side.

In this way, when installing the second heat exchanger 2 , the fastener 35 only needs to be moved downward from above the first heat exchanger 1 , and the fastener 35 is fastened on the first heat exchanger 1 under the action of the first guide plate 354 . A first end of a heat exchanger 1 to connect the second heat exchanger 2 with the first heat exchanger 1 .

As shown in FIGS. 19 and 21 , in some embodiments, the fixing member includes a first fixing member 31 , and the first fixing member 31 is disposed inside the second heat exchanger 2 along the height direction of the second heat exchanger 2 , specifically Ground, the first fixing member 31 includes a third side plate 311 , a fourth side plate 312 and a second connecting plate 313 , and the third side plate 311 and the fourth side plate 312 are arranged at intervals in the thickness direction of the second heat exchanger 2 , preferably, the third side plate 311 is in contact with the inner wall of the second heat exchanger 2 away from the first heat exchanger 1 , and the fourth side plate 312 is in contact with the inner wall of the second heat exchanger 2 close to the first heat exchanger 1 touch.

One end of the second connecting plate 313 is connected to the third side plate 311, the other end of the third side plate 311 is connected to the fourth side plate 312, and the seventh side plate 351 is connected to the third side plate 311, so as to connect the fastener 35 is connected to the fixing piece. It should be noted that, heat exchange pipelines need to be arranged along the length of the second heat exchanger 2 , and therefore, through holes for the heat exchange pipelines to pass through are required to be provided on the second connecting plate 313 .

As shown in FIG. 20 , in some embodiments, the fastener 35 includes a first fastener 355 and a second fastener 356 , and the first fastener 355 and the second fastener 356 are in the second heat exchanger. 2 are arranged at intervals in the length direction of the 2, and the first clasping member 355 and the second clasping member 356 each include a seventh side plate 351 and a fifth connecting plate 353. Correspondingly, the second heat exchanger 2 is provided with two first fixing members 31 , and the first locking member 355 and the second locking member 356 are respectively connected to one first fixing member 31 . Therefore, the first clasping member 355 and the second clasping member 356 cooperate to prevent the second heat exchanger 2 from tilting.

It should be noted that, the heat exchange device according to the embodiment of the present application is a U-shaped heat exchanger, and the first fastening member 355 and the second fastening member 356 are arranged in the middle of the U-shaped heat exchanger, so as to achieve a better performance. support. In addition, the heat exchange device may also be a G-shaped heat exchanger or a heat exchanger of other structures, and the positions of the first fastener 355 and the second fastener 356 may be arranged according to actual conditions.

As shown in FIGS. 21 and 22 , in some embodiments, the fixing member further includes a second fixing member 32 , and the second fixing member 32 is arranged inside the first heat exchanger 1 along the height direction of the first heat exchanger 1 . , the second fixing member 32 includes a fifth side plate 321, a sixth side plate 322 and a third connecting plate 323, the fifth side plate 321 and the sixth side plate 322 are arranged at intervals in the thickness direction of the first heat exchanger 1, One end of the third connecting plate 323 is connected to the fifth side plate 321 , the other end of the third connecting plate 323 is connected to the sixth side plate 322 , and the eighth side plate 352 is connected to the fifth side plate 321 .

As shown in FIGS. 6 and 7 , in some embodiments, the second heat exchanger 2 is provided with a first through hole (not shown), and the first heat exchanger 1 is provided with a second through hole (not shown) , the connecting assembly 3 also includes a second bolt 357, and a second connecting piece (not shown), the second bolt 357 penetrates the first through hole to connect the snap-fitting piece 35 and the first fixing piece 31, the second connecting piece The fitting penetrates the second through hole to connect the fastening member 35 and the second fixing member 32, the second bolt 357, and the second connecting member is preferably a bolt.

In some embodiments, the first end of the second heat exchanger 2 in the height direction is flush with the first end of the first heat exchanger 1 in the height direction, or the second heat exchanger 2 is flush with the first end of the second heat exchanger 2 in its height direction The second end in the height direction is flush with the second end in the height direction of the first heat exchanger 1 .

Figure 16 is the distribution diagram of the head wind speed at different positions of multiple rows of heat exchangers with the same height in the prior art, the ordinate in the figure represents the wind speed of the measured point, the abscissa refers to the distance between the measured point and the fan and the change The ratio of the maximum height of the heater, and the larger the abscissa, the farther the measured point is from the fan. As shown in Figure 16, when the distance between the heat exchanger and the fan is 0.5-0.6 times the maximum height of the heat exchanger, the wind speed is maintained at a minimum value, and with the increase of the distance, the change of the wind speed is small. The wind speed at the far position is very small, therefore, the heat exchangers in multiple rows will not effectively increase the heat exchange efficiency, so only the second heat exchanger 2 can be arranged at the position with the high wind speed.

As shown in FIG. 19 , in some embodiments, the first heat exchanger 1 further includes first side plates 11 , the first side plates 11 are arranged at both ends of the first heat exchanger 1 in the length direction, and the second heat exchanger The heat exchanger 2 also includes a second side plate 21. The second side plate 21 is arranged at both ends of the second heat exchanger 2 in the length direction. The first side plate 11 and the second side plate 21 are provided with heat exchange pipelines. through holes.

Both ends of the first heat exchanger 1 in the longitudinal direction (the left and right directions indicated by the arrows in FIG. 19 ) are flush with the two ends of the second heat exchanger 2 in the longitudinal direction (the left and right directions indicated by the arrows in FIG. 2 ) , therefore, the first side plate 11 and the second side plate 21 located at the same end of the heat exchange device are also flush, and the first side plate 11 and the second side plate 21 located at the same end of the heat exchange device are integrally formed, or, located in the heat exchange device The first side plate 11 and the second side plate 21 at the same end are connected.

In this way, the first side plate 11 and the second side plate 21 can play a connecting role to prevent the first heat exchanger 1 and the second heat exchanger 2 from moving relative to each other. It should be noted that the length of the second side plate 21 can be the same as the size of the second heat exchanger in its height direction, which can save materials and reduce costs. The length of the second side plate 21 can also be the same as that of the first heat exchanger 1 . The dimensions in the height direction are the same, thus, the second side plate 21 and the first side plate 11 can be used in common, which is convenient for later maintenance and replacement, and the second side plate 21 can also be used with the existing heat exchange device. The board is universal and does not need to be processed separately, which is beneficial to reduce production costs.

Some specific examples of heat exchange devices of the second embodiment are described below with reference to the accompanying drawings.

As shown in FIGS. 18-26 , the heat exchange device according to the embodiment of the present application includes a first heat exchanger 1 , a second heat exchanger 2 and a connecting component 3 , the second heat exchanger 2 and the first heat exchanger 1 Stacked in the thickness direction of the first heat exchanger 1, the ratio of the size of the second heat exchanger 2 in the height direction to the size of the first heat exchanger 1 in the height direction is 0.5, and the first heat exchanger The first end of the heat exchanger 1 in the height direction is flush with the first end of the second heat exchanger 2 in the height direction.

Both ends of the first heat exchanger 1 in the length direction are flush with the two ends of the second heat exchanger 2 in the length direction. Both ends of the heat exchanger 2 are provided with second side plates 21, and the first side plates 11 and the second side plates 21 located at the same end of the heat exchange device are integrally formed.

The connection assembly 3 includes a first fixing member 31 , a first fastening member 355 and a second fastening member 356 . The first fixing member 31 is arranged inside the second heat exchanger 2 along the height direction of the second heat exchanger 2 . The number of one fixing member 31 is two, and the two first fixing members 31 are arranged at intervals along the length direction of the second heat exchanger 2 .

The first fixing member 31 includes a third side plate 311, a fourth side plate 312 and a second connecting plate 313. The third side plate 311 is in contact with the inner wall of the second heat exchanger 2 away from the first heat exchanger 1, and the fourth The side plate 312 is in contact with the inner wall of the second heat exchanger 2 close to the first heat exchanger 1 . One end of the second connecting plate 313 is connected to the third side plate 311 , and the other end of the third side plate 311 is connected to the fourth side plate 312 .

The first fastening member 355 and the second fastening member 356 are respectively connected with the two first fixing members 31 , and the first fastening member 355 and the second fastening member 356 both include a seventh side plate 351 and an eighth side plate 352 , the fifth connecting plate 353 and the first guiding plate 354, the seventh side plate 351 and the eighth side plate 352 are parallel to each other, one end of the fifth connecting plate 353 is connected with the seventh side plate 351, and the other end of the fifth connecting plate 353 Connected to the eighth side plate 352 , the first guide plate 354 is connected to the end of the eighth side plate 352 away from the fifth connection plate 353 , and the first guide plate 354 is away from the fifth connection in the height direction of the second heat exchanger 2 . The direction of the plate 353 is inclined toward the side away from the second heat exchanger 2 .

When installing the second heat exchanger 2, it is only necessary to fasten the first fastener 355 and the second fastener 356 to the first end of the first heat exchanger 1, which is convenient for installation and disassembly.

Third embodiment:

As shown in FIGS. 27-29 , the heat exchange device according to the embodiment of the present application includes a first heat exchanger 1 , a second heat exchanger 2 and a connecting component 3 , the second heat exchanger 2 and the first heat exchanger 1 Stacked in the thickness direction of the first heat exchanger 1 (the front-rear direction indicated by the arrow in FIG. 28 ), the number of the first heat exchanger 1 may be plural, and the first heat exchanger 1 in the height direction thereof It has a first end and a second end (the up-down direction indicated by the arrow in FIG. 28 ), and the dimension of the second heat exchanger 2 in the height direction is smaller than that of the first heat exchanger 1 in the height direction. The second heat exchanger 2 has a first end and a second end in the height direction (the up and down direction shown by the arrow in FIG. 28 ), and the two ends in the height direction of the first heat exchanger 1 are respectively fixed and installed in the casing of the air conditioner , and one end in the height direction of the first heat exchanger 1 is provided with an air outlet and a fan, and the air is discharged through the air outlet after heat exchange in the heat exchange device.

As shown in FIG. 4 , the connecting assembly 3 includes a third fixing member 36 , a supporting member 37 and a connecting plate 38 . The third fixing member 36 and the supporting member 37 are arranged at intervals in the height direction of the first heat exchanger 1 , and the connecting plate 38 One end of the connecting plate 38 is connected to the third fixing member 36, the other end of the connecting plate 38 is connected to the supporting member 37, at least part of the third fixing member 36 is in contact with the first end of the first heat exchanger 1, and at least part of the supporting member 37 is in contact with the first end of the first heat exchanger 1. In contact with the second end of the second heat exchanger 2 . The number of the connecting assemblies 3 may be multiple, and the multiple connecting assemblies 3 are arranged at intervals along the length direction of the first heat exchanger 1 .

In this way, the first heat exchanger 1 provides supporting force for the third fixing member 36, the third fixing member 36 and the supporting member 37 are connected through the connecting plate 38, and the supporting member 37 provides supporting force for the second heat exchanger 2, thereby The second heat exchanger 2 is suspended on one side of the first heat exchanger 1 .

It should be noted that, due to the different wind speeds in different parts of the air-conditioning system, the heat exchange efficiencies of different positions of the heat exchange device are also different. If the second heat exchanger 2 is installed near the fan, the first heat exchanger 1 and the second heat exchange work at the same time to improve the heat exchange efficiency of the heat exchanger at the fan, while the position far from the fan only requires the first heat exchanger One heat exchanger 1 can exchange heat to meet the heat exchange requirements, which not only reduces the production cost of the air conditioner, but also reduces the volume of the heat exchange device. Reduce the overall size of the air conditioner to improve the market attractiveness of the air conditioner.

As shown in FIG. 5 , in some embodiments, the third fixing member 36 includes a first transverse plate 312 , a ninth side plate 361 and a second guide plate 363 , and one end of the first transverse plate 312 is connected to the ninth side plate 361 , the other end of the first transverse plate 312 is connected to the connecting plate 38, the first transverse plate 312 is in contact with the first end of the first heat exchanger 1, and the ninth side plate 361 and the first heat exchanger 1 are far away from the second exchange One side of the heater 2 is in contact. The connecting plate 38 is arranged along the length direction of the second heat exchanger 2 , and the first end of the connecting plate 38 is connected to the end of the first transverse plate 312 away from the ninth side plate 361 .

The ninth side plate 361, the first transverse plate 312 and the connecting plate 38 are connected end to end to form an inverted U-shaped structure and are fastened to the first end of the first heat exchanger 1, which can prevent the third fixing member 36 from exchanging heat along the first heat exchanger 1. As the thickness direction of the heat exchanger 1 moves, the connection between the third fixing member 36 and the first heat exchanger 1 is more stable.

The second guide plate 363 is used to guide the third fixing member 36 to be fastened to the first end of the first heat exchanger 1 . Specifically, the second guide plate 363 is connected to the end of the first transverse plate 312 away from the connecting plate 38 . , the second guide plate 363 is inclined toward a side away from the first heat exchanger 1 in a direction away from the connecting plate 38 in the height direction of the first heat exchanger 1 .

As shown in FIG. 33 , in some embodiments, the support member 37 includes a second transverse plate 372 and a tenth side plate 371 , one end of the second transverse plate 372 is connected with the tenth side plate 371 , and the other side of the second transverse plate 372 One end is connected to the connecting plate 38, the second transverse plate 372 is in contact with the second end of the second heat exchanger 2, and the tenth side plate 371 is located between the first heat exchanger 1 and the second heat exchanger 2, or, The tenth side plate 371 is in contact with the side of the second heat exchanger 2 away from the first heat exchanger 1 , and the second end of the connecting assembly 3 is connected to the end of the second transverse plate 372 away from the tenth side plate 371 .

The tenth side plate 371, the second transverse plate 372 and the connecting plate 38 are connected end to end to form a U-shaped structure, the second end of the second heat exchanger 2 is clamped in this U-shaped structure, and the second transverse plate 372 is the second heat exchanger. The heat exchanger 2 provides a supporting force, and the tenth side plate 371 can prevent the second heat exchanger 2 from moving along its thickness direction.

As shown in FIG. 27 , in some embodiments, the tenth side plate 371 is located between the first heat exchanger 1 and the second heat exchanger 2 , and the connecting plate 38 and the second heat exchanger 2 are far away from the first heat exchanger 1 is in contact with one side. It can be understood that the connecting plate 38 is connected to the second horizontal plate 372 via the side of the second heat exchanger 2 away from the first heat exchanger 1 , the second horizontal plate 372 is connected to the ninth side plate 361 , and the ninth side plate 372 is connected to the ninth side plate 361 . The plate 361 is located between the first heat exchanger 1 and the second heat exchanger 2 to form a U-shaped structure.

It should be noted that, in this embodiment, the first horizontal plate 312 is not only in contact with the first end of the first heat exchanger 1, but also located above the first end of the second heat exchanger 2, that is, the first horizontal plate 312 The plate 312 is located above the first heat exchanger 1 and the second heat exchanger 2 and is connected to the first end of the connecting plate 38 .

As shown in FIG. 32 , further, the connecting plate 38 includes a sixth connecting plate 381 and a seventh connecting plate 382 , the first end of the sixth connecting plate 381 is connected with the first horizontal plate 312 , and the second end of the sixth connecting plate 381 It is connected to the first end of the seventh connecting plate 382 , and the second end of the seventh connecting plate 382 is connected to the second transverse plate 372 .

It can be understood that the connecting plate 38 is composed of a sixth connecting plate 381 and a seventh connecting plate 382. Both the sixth connecting plate 381 and the seventh connecting plate 382 are arranged along the height direction of the second heat exchanger 2. When the second heat exchanger 2 is connected to the first heat exchanger 1 , first connect the third fixing member 36 to the sixth connecting plate 381 , and fasten the third fixing member 36 to the first end of the first heat exchanger 1 , and then connect the support member 37 to the seventh connecting plate 382 , support the support member 37 on the second end of the second heat exchanger 2 , and finally connect the sixth connecting plate 381 to the seventh connecting plate 382 . In this way, the U-shaped structure composed of the support member 37 and the seventh connecting plate 382 can be easily installed on the second end of the second heat exchanger 2, which is convenient for assembly.

As shown in FIGS. 34-36 , in some embodiments, the tenth side plate 371 is in contact with the side of the second heat exchanger 2 away from the first heat exchanger 1 , and the connecting plate 38 is located at the first heat exchanger 1 Between the second heat exchanger 2 and the second heat exchanger 2 , the first end of the connecting plate 38 is connected to the first horizontal plate 312 , and the second end of the connecting plate 38 is connected to the second horizontal plate 372 .

As shown in FIG. 37 , in this embodiment, the first cross plate 312 is only in contact with the first end of the first heat exchanger 1 , and the first cross plate 312 exchanges heat with the first heat exchanger 1 and the second heat exchanger 1 . The first end of the connecting plate 38 between the devices 2 is connected, the second end of the connecting plate 38 is connected with the second horizontal plate 372, and the second horizontal plate 372 is connected with the tenth side plate 371, thus, the third fixing member 36. The connecting plate 38 and the support member 37 form an S-shaped structure, and the second heat exchanger 2 is suspended on one side of the first heat exchanger 1 .

It should be noted that the heat exchange device according to the embodiment of the present application is a U-shaped heat exchanger, and the connecting component 3 is arranged in the middle of the U-shaped heat exchanger, so as to play a better connection and support role. In addition, the heat exchange device can also be a G-shaped heat exchanger or a heat exchanger of other structures, and the position of the connecting component 3 can be arranged according to the actual situation.

As shown in FIG. 28 , in some embodiments, the first heat exchanger 1 further includes first side plates 11 , the first side plates 11 are arranged at both ends of the first heat exchanger 1 in the length direction, and the second heat exchanger The heat exchanger 2 also includes a second side plate 21. The second side plate 21 is arranged at both ends of the second heat exchanger 2 in the length direction. The first side plate 11 and the second side plate 21 are provided with heat exchange pipelines. through holes.

Both ends of the first heat exchanger 1 in the longitudinal direction (left and right directions indicated by arrows in FIG. 28 ) are flush with both ends of the second heat exchanger 2 in the longitudinal direction (left and right directions indicated by arrows in FIG. 28 ) , therefore, the first side plate 11 and the second side plate 21 located at the same end of the heat exchange device are also flush, and the first side plate 11 and the second side plate 21 located at the same end of the heat exchange device are integrally formed, or, located in the heat exchange device The first side plate 11 and the second side plate 21 at the same end are connected.

The heat exchange device of a specific example of the third embodiment will be described below with reference to the accompanying drawings.

As shown in FIGS. 27-33 , the heat exchange device according to the embodiment of the present application includes a first heat exchanger 1 , a second heat exchanger 2 and a connecting assembly 3 , the second heat exchanger 2 and the first heat exchanger 1 Stacked in the thickness direction of the first heat exchanger 1, the ratio of the size of the second heat exchanger 2 in the height direction to the size of the first heat exchanger 1 in the height direction is 0.5, and the first heat exchanger The first end of the heat exchanger 1 in the height direction is flush with the first end of the second heat exchanger 2 in the height direction.

The connecting assembly 3 includes a third fixing member 36 , a supporting member 37 , a sixth connecting plate 381 and a seventh connecting plate 382 .

The third fixing member 36 includes a first transverse plate 312, a ninth side plate 361 and a second guide plate 363. One end of the first transverse plate 312 is connected to the ninth side plate 361, and the other end of the first transverse plate 312 is connected to the sixth side plate 361. The first end of the connecting plate 381 is connected, the second end of the sixth connecting plate 381 is connected with the first end of the seventh connecting plate 382, the first transverse plate 312 is in contact with the first end of the first heat exchanger 1, the first The nine-side plate 361 is in contact with the side of the first heat exchanger 1 away from the second heat exchanger 2 . The second guide plate 363 is connected to one end of the first transverse plate 312 away from the connecting plate 38 , and the second guide plate 363 faces away from the first heat exchange in the height direction of the first heat exchanger 1 along the direction away from the connecting plate 38 One side of the device 1 is inclined.

The support member 37 includes a second transverse plate 372 and a tenth side plate 371 , one end of the second transverse plate 372 is connected with the tenth side plate 371 , and the other end of the second transverse plate 372 is connected with the second end of the seventh connecting plate 382 . , the second transverse plate 372 is in contact with the second end of the second heat exchanger 2 , and the tenth side plate 371 is located between the first heat exchanger 1 and the second heat exchanger 2 .

The heat exchange device of another specific example of the third embodiment will be described below with reference to the accompanying drawings.

As shown in FIGS. 34-37 , the heat exchange device includes a first heat exchanger 1 , a second heat exchanger 2 and a connection assembly 33 .

The connecting assembly 3 includes a third fixing member 36 , a supporting member 37 and a connecting plate 38 . The third fixing member 36 includes a first transverse plate 312 , a ninth side plate 361 and a second guide plate 363 . One end of the first transverse plate 312 is connected to the The ninth side plate 361 is connected, the other end of the first transverse plate 312 is connected with the first end of the connecting plate 38, the connecting plate 38 is located between the first heat exchanger 1 and the second heat exchanger 2, and the first transverse plate 312 In contact with the first end of the first heat exchanger 1 , the ninth side plate 361 is in contact with the side of the first heat exchanger 1 away from the second heat exchanger 2 . The second guide plate 363 is connected to one end of the first transverse plate 312 away from the connecting plate 38 , and the second guide plate 363 faces away from the first heat exchange in the height direction of the first heat exchanger 1 along the direction away from the connecting plate 38 One side of the device 1 is inclined.

The support member 37 includes a second transverse plate 372 and a tenth side plate 371. One end of the second transverse plate 372 is connected to the tenth side plate 371, and the other end of the second transverse plate 372 is connected to the second end of the connecting plate 38. The two transverse plates 372 are in contact with the second end of the second heat exchanger 2 , and the tenth side plate 371 is in contact with the side of the second heat exchanger 2 away from the first heat exchanger 1 .

Other structures of the heat exchange device shown in FIGS. 34 to 37 may be the same as those of the embodiment shown in FIGS. 27 to 33 , and will not be described in detail here.

The air conditioner according to another embodiment of the present application includes a heat exchange device, which is the heat exchange device according to the embodiment of the present application. The overall volume of the heat exchange device of the air conditioner is small, which is beneficial to improve the utilization rate of the interior space of the air conditioner. In addition, the overall size of the air conditioner can be further reduced, which is conducive to improving market attractiveness.

In the description of this application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Rear, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Counterclockwise, Axial, The orientations or positional relationships indicated by "radial direction", "circumferential direction", etc. are based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying the indicated devices or elements. It must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present application.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In the description of the present application, "plurality" means at least two, such as two, three, etc., unless expressly and specifically defined otherwise.

In this application, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two components or the interaction relationship between the two components, unless otherwise expressly qualified. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

In this application, unless otherwise expressly stated and defined, a first feature "on" or "under" a second feature may be in direct contact with the first and second features, or the first and second features indirectly through an intermediary touch. Also, the first feature being "above", "over" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In this application, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., mean the specific features, structures, materials, or characteristics described in connection with the embodiment or example. Features are included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, those skilled in the art may combine and combine the different embodiments or examples described in this specification, as well as the features of the different embodiments or examples, without conflicting each other.

Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limitations to the present application. Embodiments are subject to variations, modifications, substitutions and variations.

Claims

A heat exchange device, characterized in that, comprising:

a first heat exchanger having a first end and a second end in the height direction thereof;

A second heat exchanger, the second heat exchanger has a first end and a second end in the height direction thereof, and the second heat exchanger and the first heat exchanger are located in the first heat exchanger are stacked in the thickness direction of the second heat exchanger, the dimension of the second heat exchanger in the height direction is smaller than the dimension of the first heat exchanger in the height direction, and the first end of the second heat exchanger and the The distance between the first end of the first heat exchanger is smaller than the distance between the second end of the second heat exchanger and the second end of the first heat exchanger;

a connecting assembly, which is used for connecting the first heat exchanger and the second heat exchanger.
The heat exchange device according to claim 1, wherein the connection assembly comprises a fixing member and a connecting member, and the fixing member is provided in the first heat exchanger and/or the second heat exchanger , the connecting piece is connected with the fixing piece.
The heat exchange device according to claim 2, wherein the connecting member comprises a first side plate, a second side plate and a first connecting plate, and one end of the first connecting plate is connected to the first side plate The other end of the first connecting plate is connected with the second side plate, and the fixing member is connected with the first side plate and/or the second side plate.
The heat exchange device according to claim 3, wherein the first connecting plate is connected to the top end of the second heat exchanger, and the second side plate is connected to all of the second heat exchangers. the fixing member is connected, the first side plate is located between the first heat exchanger and the second heat exchanger, and the first side plate is connected to the fixing member in the first heat exchanger connected;

Alternatively, the first connecting plate is connected to the top end of the first heat exchanger and the top end of the second heat exchanger, and the second side plate is connected to the fixing member in the second heat exchanger connected, the first side plate is located on the side of the first heat exchanger away from the second heat exchanger.
The heat exchange device according to claim 3 or 4, wherein the first connecting plate is connected to the bottom end of the second heat exchanger, and the first side plate is connected to the first heat exchanger connected to the fasteners.
The heat exchange device according to claim 5, wherein the first side plate and the second side plate are parallel to each other, and the first side plate and the second side plate are respectively provided on the first side plate. On both sides of the second heat exchanger in the thickness direction, the second side plate is in contact with the side of the second heat exchanger that is far away from the first heat exchanger.
The heat exchange device according to claim 6, characterized in that, the first side plate and the second side plate are respectively provided on two sides of the first connecting plate in the height direction of the second heat exchanger. side.
The heat exchange device according to any one of claims 3-7, wherein the connecting member further comprises a guide plate, an end of the guide plate and the second side plate away from the first connecting plate connected, and the guide plate is inclined toward a side away from the first heat exchanger in a direction away from the first connecting plate in the height direction of the first heat exchanger.
The heat exchange device according to claim 8, wherein the connecting member comprises a first connecting member and a second connecting member, and the first connecting member and the second connecting member are in the first heat exchange The first connecting member and the second connecting member each include the first side plate, the second side plate, the first connecting plate and the guide plate.
The heat exchange device according to claim 9, wherein the connection assembly further comprises a fourth connection plate, the fourth connection plate is arranged along the length direction of the first heat exchanger, and the fourth connection plate is One end of the plate is connected to the first connecting piece, the other end of the fourth connecting plate is connected to the second connecting piece, and at least part of the fourth connecting plate is in contact with the second heat exchanger .
The heat exchange device according to claim 1, wherein the connection assembly comprises a fixing member and a fastening member, and the fixing member is provided on the first heat exchanger and/or the second heat exchanger Inside, the fastening piece is connected with the fixing piece, and a part of the fastening piece is in contact with the first end of the first heat exchanger and/or the first end of the second heat exchanger.
The heat exchange device according to claim 11, wherein the fastening member comprises a seventh side plate, an eighth side plate and a fifth connecting plate, and the eighth side plate and the seventh side plate are in The second heat exchangers are arranged at intervals in the thickness direction, one end of the fifth connecting plate is connected to the seventh side plate, and the other end of the fifth connecting plate is connected to the eighth side plate, so The seventh side plate is connected to the fixing member, and the fifth connecting plate is in contact with the first end of the first heat exchanger and/or the first end of the second heat exchanger.
The heat exchange device according to claim 12, wherein the seventh side plate is in contact with a side of the second heat exchanger away from the first heat exchanger, and the eighth side plate is in contact with a side of the second heat exchanger away from the first heat exchanger. The side of the first heat exchanger remote from the second heat exchanger is in contact; or,

The seventh side plate is located between the first heat exchanger and the second heat exchanger, and the eighth side plate is connected to a side of the first heat exchanger far away from the second heat exchanger. side contact.
The heat exchange device according to claim 13, wherein the fastener further comprises a first guide plate, the first guide plate is connected to an end of the eighth side plate away from the fifth connection plate , the first guide plate is inclined toward a side away from the second heat exchanger along a direction away from the fifth connecting plate in the height direction of the second heat exchanger.
The heat exchange device according to claim 14, wherein the fastener includes a first fastener and a second fastener, and the first fastener and the second fastener are The second heat exchanger is arranged at intervals in the length direction, and the first and second fasteners each include the seventh side plate, the eighth side plate, and the fifth connecting plate and the first guide plate.
The heat exchange device according to any one of claims 2 to 15, wherein the fixing member is arranged on the first heat exchanger and/or the first heat exchanger along the height direction of the first heat exchanger. Inside the second heat exchanger, the fixing member is provided with a through hole for the copper pipe of the heat exchanger to pass through.
The heat exchange device according to claim 16, wherein the fixing member comprises a first fixing member, and the first fixing member is provided on the first heat exchanger along the height direction of the first heat exchanger. In the heat exchanger, the first fixing member includes a third side plate, a fourth side plate and a second connecting plate, and the third side plate and the fourth side plate are in the thickness direction of the second heat exchanger arranged at intervals, one end of the second connecting plate is connected to the third side plate, and the other end of the second connecting plate is connected to the fourth side plate;

and / or,

The fixing member includes a second fixing member, the second fixing member is arranged in the second heat exchanger along the height direction of the second heat exchanger, and the second fixing member includes a fifth side plate, A sixth side plate and a third connection plate, the fifth side plate and the sixth side plate are arranged at intervals in the thickness direction of the first heat exchanger, and one end of the third connection plate is connected to the first heat exchanger. The five side boards are connected, and the other end of the third connecting board is connected with the sixth side board.
The heat exchange device according to claim 1, wherein the connecting assembly comprises a third fixing member, a supporting member and a connecting plate, and the third fixing member and the supporting member are in the first heat exchanger. are arranged at intervals in the height direction, one end of the connecting plate is connected to the third fixing member, the other end of the connecting plate is connected to the supporting member, and at least part of the third fixing member is connected to the first fixing member. The first end of the heat exchanger is in contact, and at least a portion of the support is in contact with the second end of the second heat exchanger.
The heat exchange device according to claim 18, wherein the third fixing member comprises a first transverse plate and a ninth side plate, one end of the first transverse plate is connected to the ninth side plate, and the The other end of the first transverse plate is connected with the connecting plate, the first transverse plate is in contact with the first end of the first heat exchanger, and the ninth side plate is in contact with the first heat exchanger contact with the side away from the second heat exchanger.
The heat exchange device according to claim 19, wherein the third fixing member further comprises a second guide plate, and the second guide plate is connected to an end of the first transverse plate away from the connecting plate , in the height direction of the first heat exchanger, the second guide plate is inclined toward a side away from the first heat exchanger in a direction away from the first transverse plate.
The heat exchange device according to claim 19 or 20, wherein the support member comprises a second transverse plate and a tenth side plate, and one end of the second transverse plate is connected to the tenth side plate, so that the The other end of the second horizontal plate is connected to the connecting plate, the second horizontal plate is in contact with the second end of the second heat exchanger, and the tenth side plate is located in the first heat exchanger and the second heat exchanger, or the tenth side plate is in contact with the side of the second heat exchanger away from the first heat exchanger.
The heat exchange device according to claim 21, wherein the connecting plate is arranged along the length direction of the second heat exchanger, and the first end of the connecting plate is far away from the first cross plate. One end of the ninth side plate is connected, and the second end of the connecting plate is connected with the end of the second horizontal plate away from the tenth side plate.
The heat exchange device according to claim 22, wherein the tenth side plate is located between the first heat exchanger and the second heat exchanger, and the connecting plate is connected to the second heat exchanger. The heat exchangers are in contact with one side away from the first heat exchanger.
The heat exchange device according to claim 23, wherein the connecting plate comprises a sixth connecting plate and a seventh connecting plate, the first end of the sixth connecting plate is connected to the first horizontal plate, and the The second end of the sixth connecting plate is connected with the first end of the seventh connecting plate, and the second end of the seventh connecting plate is connected with the second horizontal plate.
The heat exchange device according to any one of claims 22-24, wherein the tenth side plate is in contact with a side of the second heat exchanger away from the first heat exchanger, so The connecting plate is located between the first heat exchanger and the second heat exchanger.
The heat exchange device according to any one of claims 1-25, wherein the first heat exchanger has a first end and a second end in the height direction thereof, and the second heat exchanger has a first end and a second end. The first end is flush with the first end of the first heat exchanger, or the second end of the second heat exchanger is flush with the second end of the first heat exchanger end flush.
The heat exchange device according to any one of claims 1-26, wherein the dimension of the second heat exchanger in its height direction is the same as the dimension of the first heat exchanger in its height direction The ratio is 0.5-0.6.
The heat exchange device according to any one of claims 1-27, wherein the first heat exchanger further comprises a first side plate, and the first side plate is provided on the first heat exchanger both ends in the length direction, the second heat exchanger further includes second side plates, the second side plates are arranged at both ends of the second heat exchanger in the length direction, the first heat exchanger The two ends in the length direction of the heat exchanger are flush with the two ends in the length direction of the second heat exchanger, and the first side plate and the second side plate located at the same end of the heat exchange device are integrally formed, or, The first side plate and the second side plate located at the same end of the heat exchange device are connected.
An air conditioner, characterized by comprising a heat exchange device, the heat exchange device being the heat exchange device according to any one of claims 1-28.