Heat exchanger and heat exchange equipment

Abstract

The utility model provides a heat exchanger and heat exchange equipment. The heat exchanger comprises a plurality of heat exchange units, and each heat exchange unit comprises a first plate and a second plate which are arranged in a stacked mode. The first plate comprises a first plate body and a first convex rib, the first convex rib protrudes towards the direction of the second plate and defines a first groove, and an opening of the first groove is located in the side, away from the second plate, of the first convex rib; the second plate comprises a second plate body and a second convex rib, the second convex rib is arranged in a protruding mode in the direction deviating from the first plate, a second groove is defined by the second convex rib, and an opening of the second groove is located in the side, facing the first plate, of the second convex rib; the first convex ribs are connected with the second plate body in a sealed mode, and the first plate and the second plate jointly define a first heat exchange runner. According to the heat exchanger and the heat exchange equipment, the flow path of the heat exchange medium in the heat exchange flow channel can be increased, and then the heat exchange efficiency is improved.

Description

Technical Field

[0001] The present application belongs to the field of heat exchange technology, and in particular, relates to a heat exchanger and heat exchange equipment. Background Art

[0002] Heat exchanger is a device that transfers part of the heat of hot fluid to cold fluid, also known as heat exchanger. Heat exchanger plays an important role in metallurgy, mining, petroleum, chemical industry, electric power, medicine, food, chemical fiber, papermaking, textile, shipbuilding, heating and many other industrial production. It can be used for heating, cooling, evaporation, condensation, sterilization, waste heat recovery and other situations. In chemical production, heat exchanger can be used as heater, cooler, condenser, evaporator and reboiler.

[0003] With the continuous advancement of heat exchange technology, the overall performance of heat exchangers is getting better and better. As one of the main parameters for judging the performance of heat exchangers, customers have higher and higher requirements for the heat exchange efficiency of heat exchangers. The main factors affecting the heat exchange efficiency of heat exchangers are the flow channel length of the fluid and the flow disturbance effect of the flow channel on the fluid.

[0004] In the prior art, a heat exchanger generally includes a plurality of heat exchange plates stacked on top of each other, and two adjacent heat exchange plates together form a cavity for circulating fluid. However, the heat exchange efficiency of the existing heat exchanger is not high. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, the present application provides a heat exchanger and heat exchange equipment that can increase the flow rate of the heat exchange medium in the heat exchange channel and thus improve the heat exchange efficiency.

[0006] In one aspect, the present application provides a heat exchanger, comprising a plurality of heat exchange units, each of the heat exchange units comprising a first plate and a second plate that are stacked;

[0007] The first plate includes a first plate body and a first convex rib, the first convex rib is protruded toward the second plate and forms a first groove, and the opening of the first groove is located on a side of the first convex rib away from the second plate;

[0008] The second plate includes a second plate body and a second rib, the second rib protrudes in a direction away from the first plate and forms a second groove, the opening of the second groove is located on the side of the second rib facing the first plate; the first rib is sealed and connected to the second plate body, and the first plate and the second plate together form a first heat exchange channel.

[0009] In a possible implementation manner, the first convex rib includes a first end and a second end, the first end of the first convex rib is connected to the edge of the first plate, and the second end of the first convex rib is spaced apart from the edge of the first plate;

[0010] The first convex rib separates the first heat exchange channel into a first heat exchange zone and a second heat exchange zone. The first heat exchange zone and the second heat exchange zone are separated at the position of the first end of the first convex rib, and the first heat exchange zone and the second heat exchange zone are connected at the position of the second end of the first convex rib.

[0011] In a possible implementation, the first convex rib extends in the length direction, and the second convex rib extends in the length direction; the center axis of the first convex rib in the length direction and the center axis of the second convex rib in the length direction are staggered in the width direction.

[0012] In a possible implementation manner, a plurality of bulges are provided on the first convex rib, and the bulges are provided protruding from the first convex rib along the width direction.

[0013] In a possible implementation manner, the first plate has a first hole extending through the first plate in a height direction, and the first hole is connected to the first heat exchange channel;

[0014] The second plate body is provided with a plurality of convex bumps protruding toward the first plate, and the side of the convex bumps facing away from the second plate body is in contact with the first plate body; there is a gap between any two adjacent convex bumps, and the gap forms the first heat exchange flow channel.

[0015] In a possible embodiment, a plurality of the heat exchange units are stacked in the height direction, the second plate of one of the heat exchange units is stacked with the first plate of an adjacent heat exchange unit, the second plate of one of the heat exchange units and the first plate of an adjacent heat exchange unit together form a second heat exchange channel, and the first plate and the second plate of an adjacent heat exchange unit together form another first heat exchange channel; the second rib is sealed and connected to the first plate of the adjacent heat exchange unit.

[0016] In a possible implementation, the first plate has a first hole and a second hole that are arranged through the first plate in the height direction, and the first hole of the first plate and the second hole of the first plate are arranged at intervals in the length direction;

[0017] The second plate has a first hole and a second hole extending through the plate in the height direction, the first hole of the second plate is arranged opposite to the first hole of the first plate in the height direction, and the second hole of the second plate is arranged opposite to the second hole of the first plate in the height direction;

[0018] The second plate also has a boss arranged around the second hole of the second plate, the boss protrudes toward the first plate and fits the first plate, and the projection of the second hole of the first plate on the boss along the height direction is completely located on the boss;

[0019] The first hole of the first plate, the first heat exchange channel and the first hole of the second plate are connected in sequence; the second hole of the first plate, the second hole of the second plate and the second heat exchange channel are connected in sequence.

[0020] In a possible implementation manner, the heat exchange unit further includes a fin plate, and the fin plate is disposed in the second heat exchange flow channel;

[0021] The fin plate includes a base plate, a plurality of first fins and a plurality of second fins, wherein the plurality of first fins and the plurality of second fins are fixedly connected to the base plate; the base plate is connected to a first plate of a heat exchange unit, the first fins are attached to a second plate of an adjacent heat exchange unit, and the second fins are spaced apart from a second plate of an adjacent heat exchange unit.

[0022] In a possible embodiment, multiple first fins and multiple second fins are arranged alternately along the length direction, multiple first fins are connected along the width direction, and multiple second fins are connected along the width direction; or, multiple first fins and multiple second fins are arranged alternately along the length direction, and multiple first fins and multiple second fins are arranged alternately along the width direction.

[0023] In a possible implementation, the height of the first fin along the height direction is a first height value, the height of the second fin along the height direction is a second height value, and the ratio of the second height value to the first height value is in the range of [0.3, 0.8].

[0024] In a possible implementation, the heat exchange unit includes a top plate and a fin plate, the top plate and the first plate are stacked, the fin plate is sandwiched between the top plate and the first plate, and the top plate, the fin plate and the first plate enclose a second heat exchange flow channel;

[0025] The top plate includes a third plate body and a third rib, the third rib protrudes toward the first plate and forms a third groove, the opening of the first groove is located on the side of the first rib away from the second plate, and the third rib is sealed and connected to the first plate body.

[0026] In a possible implementation manner, the top plate has a first hole and a second hole that are arranged through the top plate in a height direction, and the first hole of the top plate and the second hole of the top plate are arranged at intervals in a length direction;

[0027] The first plate has a first hole and a second hole extending through the plate in the height direction, the first hole of the first plate is arranged opposite to the first hole of the top plate in the height direction, and the second hole of the first plate is arranged opposite to the second hole of the top plate in the height direction;

[0028] The first plate also has a first boss arranged around the first hole of the first plate, the first boss protrudes toward the top plate and fits with the top plate; the projection of the first hole of the top plate on the first boss along the height direction is completely located on the first boss;

[0029] The first hole of the top plate, the first hole of the first plate and the first heat exchange channel are connected in sequence; the second hole of the top plate and the second heat exchange channel are connected in sequence.

[0030] In a possible implementation manner, a side of the first boss close to the first hole of the first plate is recessed in a direction away from the first hole of the first plate.

[0031] In a possible embodiment, the heat exchange unit includes a base plate and a fin plate, the base plate and the second plate are stacked, the fin plate is clamped between the first plate and the base plate, the first plate, the fin plate and the base plate together form a second heat exchange channel, and the third rib is sealed and connected to the base plate.

[0032] In a possible implementation, the first plate has a first hole and a second hole extending through the first plate in the height direction, the first hole of the second plate and the first hole of the first plate are arranged opposite to each other in the height direction, and the second hole of the bottom plate, the second hole of the second plate and the second hole of the first plate are arranged opposite to each other in the height direction;

[0033] The second plate has a first hole and a second hole extending through the second plate in a height direction, and the first hole of the second plate and the second hole of the second plate are spaced apart in a length direction;

[0034] The bottom plate has a second boss protruding toward the second plate, and the second boss is attached to the second plate and seals the first hole of the second plate;

[0035] The second plate also has a boss arranged around the second hole of the second plate, the boss protrudes toward the first plate and fits the first plate, and the projection of the second hole of the first plate on the boss along the height direction is completely located on the boss;

[0036] The first hole of the first plate, the first heat exchange channel and the first hole of the second plate are connected in sequence; the second hole of the first plate, the second hole of the second plate and the second heat exchange channel are connected in sequence.

[0037] On the other hand, the present application provides a heat exchange device, comprising:

[0038] The device body, and

[0039] The above-mentioned heat exchanger is installed on the equipment body.

[0040] The heat exchanger and heat exchange equipment provided in the present application, on the one hand, can separate the first heat exchange channel formed between the first plate and the second plate by sealingly connecting the first rib on the first plate with the second plate body, which is beneficial to increasing the flow rate of the heat exchange medium in the first heat exchange channel, thereby improving the heat exchange efficiency of the heat exchanger; on the other hand, compared with the structure in which the first rib is connected to the inner wall of the second groove, the first rib is sealed and connected to the second plate body in the present application, and the first rib has a better sealing effect after separating the first heat exchange channel, which can prevent the heat exchange medium in the first heat exchange channel from passing through between the first rib and the inner wall of the second groove, which is beneficial to further ensure the flow rate of the heat exchange medium in the first heat exchange channel, thereby ensuring the heat exchange efficiency of the heat exchanger. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some implementation methods provided by the embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0042] Figure 1 is an exploded view of a heat exchanger provided in one embodiment of the present application;

[0043] Figure 2 It is a bottom view of a top plate provided in one embodiment of the present application;

[0044] Figure 3 This is a structural diagram of a top plate provided in one embodiment of the present application;

[0045] Figure 4 is a top view of a first plate provided in one embodiment of the present application;

[0046] Figure 5 is a structural diagram of a first board provided in one embodiment of the present application;

[0047] Figure 6 is a top view of a second plate provided in one embodiment of the present application;

[0048] Figure 7 is a structural diagram of a second board provided in one embodiment of the present application;

[0049] Figure 8is a top view of a base plate provided in one embodiment of the present application;

[0050] Fig. 9 is a structural diagram of a base plate provided in one embodiment of the present application;

[0051] Fig.10 is a top view of a fin plate provided in one embodiment of the present application;

[0052] Fig.11 This is a structural diagram of a fin plate provided in one embodiment of the present application. DETAILED DESCRIPTION

[0053] The technical solution of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described implementation methods are only part of the implementation methods of the present application, rather than all the implementation methods. Based on the implementation methods in the present application, all other implementation methods obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present application.

[0054] The following descriptions of the embodiments are with reference to the attached diagrams to illustrate specific embodiments that the present application can be used to implement. The directional terms mentioned in the description of the present application, such as "upper", "lower", "front", "back", "left", "right", "inner", "outer", "top", "side", "bottom", "top wall", "side wall", "bottom wall", "inner side wall", "outer side wall", "length direction", "width direction", "height direction", etc., are only with reference to the directions of the attached drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the present application, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In the description of the present application, for example, "first", "second", "third", "fourth", etc., are only used to distinguish the objects described and do not have any order or technical meaning. In the description of the present application, the "connection" and "connection" involved, if not otherwise specified, include direct connection (connection) and indirect connection (connection).

[0055] The present application provides a heat exchange device having a heat exchange function. The heat exchange device includes a device body and a heat exchanger, the heat exchanger is installed on the device body, and the heat exchanger is used to provide a heat exchange function. The heat exchange device provided by the present application improves the heat exchanger so as to make the heat exchange efficiency of the heat exchange device higher.

[0056] It is understandable that the heat exchange equipment provided in this application may be, but is not limited to, refrigeration equipment or heating equipment, etc. Specifically, the equipment may be a steam generator, a heat exchanger, a reactor, a radiator, an air conditioning condenser, a seat heater, etc., and this application does not limit this.

[0057] First embodiment:

[0058] See also Figure 1 , Figure 1 This is an exploded view of a heat exchanger provided in one embodiment of the present application.

[0059] The present embodiment provides a heat exchanger 100, which includes a top plate 10, a fin plate 30, a heat exchange unit 50 and a bottom plate 70. The fin plate 30 includes at least a first fin plate and a second fin plate, and the top plate 10, the first fin plate, the heat exchange unit 50, the second fin plate 36 and the bottom plate 70 are stacked in the height direction. Among them, the heat exchange unit 50 includes a first plate 51 and a second plate 52 stacked in the height direction, that is, the top plate 10, the first fin, the first plate 51, the second plate 52, the second fin plate and the bottom plate 70 are stacked in sequence in the height direction to form the heat exchanger 100.

[0060] In this embodiment, the first plate 51 and the second plate 52 enclose a first heat exchange channel 101, the top plate 10 and the first plate 51 enclose a second heat exchange channel 102, the first fin plate is arranged in the second heat exchange channel 102, the second plate 52 and the bottom plate 70 form the second heat exchange channel 102, and the second fin plate is arranged in the second heat exchange channel 102, that is, the heat exchanger 100 forms a structure in which the second heat exchange channel 102, the first heat exchange channel 101, and the second heat exchange channel 102 are arranged in sequence. The second heat exchange channel 102 enclosed by the top plate 10 and the first plate 51 is connected to the second heat exchange channel 102 formed by the second plate 52 and the bottom plate 70.

[0061] See also Figure 2 and Figure 3 , Figure 2 is a bottom view of a top plate provided in one embodiment of the present application, Figure 3 This is a structural diagram of a top plate provided in one embodiment of the present application.

[0062] In this embodiment, the top plate 10 is provided with a first hole 11 and a second hole 12, the first hole 11 and the second hole 12 of the top plate 10 penetrate the top plate 10 in the height direction, and the first hole 11 and the second hole 12 of the top plate 10 are arranged at intervals in the length direction. The first hole 11 of the top plate 10 includes a first air inlet hole 111 and a first air outlet hole 112, the first air inlet hole 111 and the first air outlet hole 112 of the top plate 10 are arranged at intervals in the width direction, and the second hole 12 of the top plate 10 includes a second air inlet hole 121 and a second air outlet hole 122, the second air inlet hole 121 and the second air outlet hole 122 of the top plate 10 are arranged at intervals in the width direction.

[0063] See also Figure 4 and Figure 5 , Figure 4is a top view of a first plate provided in one embodiment of the present application, Figure 5 This is a structural diagram of a first board provided in one embodiment of the present application.

[0064] In this embodiment, the first plate 51 is provided with a first hole 511 and a second hole 512. The first hole 511 and the second hole 512 of the first plate 51 both penetrate the first plate 51 in the height direction, and the first hole 511 and the second hole 512 of the first plate 51 are arranged at intervals in the length direction. The first hole 511 of the first plate 51 includes a first air inlet hole 5111 and a first air outlet hole 5112. The first air inlet hole 5111 and the first air outlet hole 5112 of the first plate 51 are arranged at intervals in the width direction. The second hole 512 of the first plate 51 includes a second air inlet hole 5121 and a second air outlet hole 5122. The second air inlet hole 5121 and the second air outlet hole 5122 of the first plate 51 are arranged opposite to each other in the width direction.

[0065] See also Figure 6 and Figure 7 , Figure 6 is a top view of a second plate provided in one embodiment of the present application, Figure 7 is a structural diagram of a second board provided in one embodiment of the present application,

[0066] In this embodiment, the second plate 52 is provided with a first hole 521 and a second hole 522. The first hole 521 and the second hole 522 of the second plate 52 both penetrate the second plate 52 in the height direction, and the first hole 521 and the second hole 522 of the second plate 52 are arranged at intervals along the length direction. The first hole 521 of the second plate 52 includes a first air inlet hole 5211 and a first air outlet hole 5212. The first air inlet hole 5211 and the first air outlet hole 5212 of the second plate 52 are arranged at intervals along the width direction. The second hole 522 of the second plate 52 includes a second air inlet hole 5221 and a second air outlet hole 5222. The second air inlet hole 5221 and the second air outlet hole 5222 of the second plate 52 are arranged opposite to each other in the width direction.

[0067] It should be understood that the above-mentioned air inlet and air outlet can not only allow gas to flow in and out, but also allow liquid to flow in and out, and the present application does not impose any limitation on this.

[0068] See also Figures 1 to 7In this embodiment, the first air inlet 111 of the top plate 10, the first air inlet 5111 of the first plate 51, and the first air inlet 5211 of the second plate 52 are arranged relatively along the height direction of the heat exchanger 100, and the first air outlet 112 of the top plate 10, the first air outlet 5112 of the first plate 51, and the first air outlet 5212 of the second plate 52 are arranged relatively along the height direction of the heat exchanger 100. The second air inlet 121 of the top plate 10, the second air inlet 5121 of the first plate 51, and the second air inlet 5221 of the second plate 52 are arranged relatively along the height direction of the heat exchanger 100, and the second air outlet 122 of the top plate 10, the second air outlet 5122 of the first plate 51, and the second air outlet 5222 of the second plate 52 are arranged relatively along the height direction of the heat exchanger 100.

[0069] A first boss 513 is provided on the side of the first plate 51 facing the top plate 10. The first boss 513 is provided around the first hole 511 of the first plate 51, and the first boss 513 is in contact with the side of the top plate 10 facing the first plate 51. There are two first bosses 513, and the two first bosses 513 are provided around the first air inlet 5111 and the first air outlet 5112 of the first plate 51, respectively. The radial dimension of the first air inlet 111 of the top plate 10 is greater than the radial dimension of the first air inlet 5111 of the first plate 51, and the orthographic projection of the first air inlet 111 of the top plate 10 on the corresponding first boss 513 is completely located on the first boss 513. The radial dimension of the first air outlet 112 of the top plate 10 is greater than the radial dimension of the first air outlet 5112 of the first plate 51, and the orthographic projection of the first air outlet 112 of the top plate 10 on the corresponding first boss 513 is completely located on the first boss 513. Thus, the heat exchange medium can flow from the outside of the heat exchanger 100 into the first heat exchange channel 101 through the first air inlet 111 of the top plate 10 and the first air inlet 5111 of the first plate 51, and the heat exchange medium can flow out of the heat exchanger 100 through the first heat exchange channel 101, the first air outlet 5112 of the first plate 51 and the first air outlet 112 of the top plate 10. The design of the first boss 513 can prevent the first plate 51 from being misaligned during the process of stacking to form the heat exchanger 100, which is beneficial to improving the assembly accuracy of the heat exchanger 100. Moreover, the provision of the first boss 513 makes the connection between the first plate 51 and the top plate 10 more stable, which is beneficial to improving the stability of the overall structure of the heat exchanger 100.

[0070] A second boss 523 is provided on the side of the second plate 52 facing the first plate 51. The second boss 523 is provided around the second hole 522 of the second plate 52, and the second boss 523 is in contact with the side of the first plate 51 facing the second plate 52. There are two second bosses 523, and the two second bosses 523 are provided around the second air inlet 5221 and the second air outlet 5222 of the second plate 52, respectively. The radial dimension of the second air inlet 5121 of the first plate 51 is greater than the radial dimension of the second air inlet 5221 of the second plate 52, and the orthographic projection of the second air inlet 5121 of the first plate 51 on the corresponding second boss 523 is completely located on the second boss 523. The radial dimension of the second air outlet 5122 of the first plate 51 is greater than the radial dimension of the second air outlet 5222 of the second plate 52, and the orthographic projection of the second air outlet 5122 of the first plate 51 on the corresponding second boss 523 is completely located on the second boss 523. Thus, the heat exchange medium can flow from outside the heat exchanger 100 into the second heat exchange channel 102 between the second plate 52 and the top plate 10 through the second air inlet hole 121 of the top plate 10, the second heat exchange channel 102 between the top plate 10 and the first plate 51, the second air inlet hole 5121 of the first plate 51, and the second air inlet hole 5221 of the second plate 52; the heat exchange medium can flow out of the heat exchanger 100 through the second heat exchange channel 102 between the second plate 52 and the top plate 10, the second air outlet hole 5222 of the second plate 52, the second air outlet hole 5122 of the first plate 51, the second heat exchange channel 102 between the top plate 10 and the first plate 51, and the second air outlet hole 122 of the top plate 10, so that the second heat exchange channels 102 at two different positions can share the second air inlet hole 121 and the second air outlet hole 122 on the top plate 10. The design of the second boss 523 can prevent the second plates 52 from being misaligned during stacking to form the heat exchanger 100, which is beneficial to improving the assembly accuracy of the heat exchanger 100. Moreover, the provision of the second boss 523 makes the connection between the second plate 52 and the first plate 51 more stable, which is beneficial to improving the stability of the overall structure of the heat exchanger 100.

[0071] See also Figures 1 to 9 , Figure 8 is a top view of a base plate provided in one embodiment of the present application, Fig. 9 This is a structural diagram of a base plate provided in one embodiment of the present application.

[0072] In this embodiment, in order to allow the heat exchange medium in the first heat exchange channel 101 formed by the first plate 51 and the second plate 52 to flow from the first air inlet 5211 and the first air outlet 5212 of the second plate 52 to the second heat exchange channel 102 formed by the second plate 52 and the bottom plate 70, a third boss 71 is provided on one side of the bottom plate 70 facing the second plate 52. The third boss 71 is provided corresponding to the first air inlet 5211 and the first air outlet 5212 of the second plate 52. The third boss 71 is attached to the second plate 52 to seal the first air inlet 5211 and the first air outlet 5212 of the second plate 52.

[0073] Specifically, one side of the first boss 513 close to the first hole 511 of the first plate 51 is recessed in a direction away from the first hole 511 of the first plate 51. One side of the first boss 513 is recessed, and the recessed surface of the first boss 513 allows the heat exchange medium to flow evenly in the second heat exchange channel 102, so that the heat exchange of the heat exchanger 100 is more uniform, which is beneficial to improving the stability of the heat exchange of the heat exchanger 100.

[0074] See also Figure 1 , Figure 4 and Figure 5 In this embodiment, the first plate 51 includes a first plate body 514 and a first rib 515. The first rib 515 is protruded toward the direction of the second plate 52 and encloses a first groove 516. The opening of the first groove 516 is located on the side of the first rib 515 away from the second plate 52. The second plate 52 includes a second plate body 524 and a second rib 525. The second rib 525 is protruded toward the direction away from the first plate 51 and encloses a second groove 526. The opening of the second groove 526 is located on the side of the second rib 525 facing the first plate 51. The first rib 515 is sealed and connected to the second plate body 524. The first plate 51 and the second plate 52 together enclose the first heat exchange channel 101. The heat exchanger and heat exchange equipment provided in the present application, on the one hand, can separate the first heat exchange channel 101 formed between the first plate 51 and the second plate 52 by sealingly connecting the first rib 515 on the first plate 51 with the second plate body 524, which is beneficial to increase the flow of the heat exchange medium in the first heat exchange channel 101, thereby improving the heat exchange efficiency of the heat exchanger 100. On the other hand, compared with the structure in which the first rib 515 is connected to the inner side wall of the second groove 526, the first rib 515 in the present application is sealed and connected to the second plate body 524, and the first rib 515 has a better sealing effect after separating the first heat exchange channel 101, which can prevent the heat exchange medium in the first heat exchange channel 101 from passing between the first rib 515 and the inner side wall of the second groove 526, which is beneficial to further ensure the flow of the heat exchange medium in the first heat exchange channel 101, thereby ensuring the heat exchange efficiency of the heat exchanger 100.

[0075] See also Figures 1 to 9In this embodiment, the top plate 10 includes a third plate body 13 and a third rib 14. The third rib 14 is protruding toward the direction of the first plate 51 and encloses a third groove 15. The opening of the third groove 15 is located on the side of the third rib 14 away from the first plate 51. The third rib 14 is sealed and connected to the first plate body 514, and the top plate 10 and the first plate 51 together enclose a second heat exchange channel 102. The second rib 525 is sealed and connected to the bottom plate 70, and the second plate 52 and the bottom plate 70 together enclose a second heat exchange channel 102. By sealing the third rib 14 with the first plate body 514 and the second rib 525 with the bottom plate 70, on the one hand, the second heat exchange channel 102 can be separated, which is conducive to increasing the flow of the heat exchange medium in the second heat exchange channel 102, thereby improving the heat exchange efficiency of the heat exchanger 100. On the other hand, compared with the connection between the third rib 14 and the inner wall of the first groove 516, the sealing effect of the sealing connection between the third rib 14 and the first plate body 514 is better, which can prevent the heat exchange medium in the second heat exchange channel 102 from passing through the third rib 14 and the inner wall of the first groove 516, which is beneficial to further ensure the flow of the heat exchange medium in the second heat exchange channel 102, and then ensure the heat exchange efficiency of the heat exchanger 100.

[0076] Specifically, the first convex rib 515 includes a first end 515a and a second end 515b that are oppositely arranged along the length direction, the first end 515a of the first convex rib 515 is connected to the edge of the first plate 51, and the second end 515b of the first convex rib 515 is spaced apart from the edge of the first plate 51. The first convex rib 515 separates the first heat exchange channel 101 into the second fin plate of the first heat exchange area and the second fin plate of the second heat exchange area, the second fin plate of the first heat exchange area and the second fin plate of the second heat exchange area are spaced apart at the position of the first end 515a of the first convex rib 515, and the second fin plate of the first heat exchange area and the second fin plate of the second heat exchange area are connected at the position of the second end 515b of the first convex rib 515. The first end 515a of the first rib 515 is connected to the edge of the first plate 51, and the second end 515b of the first rib 515 is spaced apart from the edge of the first plate 51, that is, one end of the first heat exchange channel 101 is connected and the other end is spaced apart, so that the first heat exchange channel 101 is a "U"-shaped channel, which is beneficial to increase the flow rate or path of the heat exchange medium in the first heat exchange channel 101, thereby improving the heat exchange efficiency of the heat exchanger 100.

[0077] Specifically, the second convex rib 525 includes a first end 525a and a second end 525b that are arranged opposite to each other along the length direction, the first end 525a of the second convex rib 525 is connected to the edge of the second plate 52, and the second end 525b of the second convex rib 525 is spaced apart from the edge of the second plate 52. The second convex rib 525 separates the second plate 52 and the bottom plate 70 to form the second fin plate of the first heat exchange area and the second fin plate of the second heat exchange area, the second fin plate of the first heat exchange area and the second fin plate of the second heat exchange area are spaced apart at the position of the first end 525a of the second convex rib 525, and the second fin plate of the first heat exchange area and the second fin plate of the second heat exchange area are connected at the position of the second end 525b of the second convex rib 525. The first end 525a of the second convex rib 525 is connected to the edge of the second plate 52, and the second end 525b of the second convex rib 525 is spaced apart from the edge of the second plate 52, that is, one end of the second heat exchange channel 102 is connected and the other end is spaced apart, so that the second heat exchange channel 102 is a "U"-shaped channel, which is beneficial to increase the flow rate of the heat exchange medium in the second heat exchange channel 102, thereby improving the heat exchange efficiency of the heat exchanger 100.

[0078] Specifically, the third convex rib 14 includes a first end 14a and a second end 14b which are arranged opposite to each other along the length direction, the first end 14a of the third convex rib 14 is connected to the edge of the top plate 10, and the second end 14b of the third convex rib 14 is spaced apart from the edge of the top plate 10. The third convex rib 14 separates the second heat exchange flow channel 102 formed by the top plate 10 and the first plate 51 to form the second fin plate of the first heat exchange area and the second fin plate of the second heat exchange area, the second fin plate of the first heat exchange area and the second fin plate of the second heat exchange area are spaced apart at the position of the first end 14a of the third convex rib 14, and the second fin plate of the first heat exchange area and the second fin plate of the second heat exchange area are connected at the position of the second end 14b of the third convex rib 14. The first end 14a of the third convex rib 14 is connected to the edge of the top plate 10, and the second end 14b of the third convex rib 14 is spaced apart from the edge of the top plate 10, that is, one end of the second heat exchange channel 102 is connected and the other end is spaced apart, so that the second heat exchange channel 102 is a "U"-shaped channel, which is beneficial to increase the flow rate of the heat exchange medium in the second heat exchange channel 102, thereby improving the heat exchange efficiency of the heat exchanger 100.

[0079] More specifically, in order to make the flow directions of the heat exchange medium in the first heat exchange channel 101 and the second heat exchange channel 102 different, in this embodiment, the first end 515a of the first convex rib 515 and the first end 525a of the second convex rib 525 are arranged at opposite ends in the length direction of the heat exchanger 100, and the first end 515a of the first convex rib 515 and the first end 14a of the third convex rib 14 are arranged at opposite ends in the length direction of the heat exchanger 100. As a result, the U-shaped opening direction of the first heat exchange channel 101 and the adjacent U-shaped second heat exchange channel 102 are opposite, so that the flow direction of the heat exchange medium in the first heat exchange channel 101 is opposite to the flow direction of the heat exchange medium in the second heat exchange channel 102, which is beneficial to improve the heat exchange efficiency of the heat exchanger 100.

[0080] See also Figures 1 to 9 In this embodiment, the first rib 515 extends in the length direction, the second rib 525 extends in the length direction, and the third rib 14 extends in the length direction. The central axis of the first rib 515 in the length direction is staggered with the central axis of the second rib 525 in the length direction in the width direction, and the central axis of the third rib 14 in the length direction is staggered with the central axis of the first rib 515 in the length direction in the width direction. On the one hand, by limiting the extension direction of the first rib 515, the shape of the first heat exchange channel 101 is a regular "U" shape, which is conducive to improving the uniformity of heat exchange of the heat exchanger 100. By limiting the extension directions of the second rib 525 and the third rib 14, the shapes of the two second heat exchange channels 102 are both regular "U" shapes, which is conducive to improving the uniformity of heat exchange of the heat exchanger 100. On the other hand, the first rib 515 and the second rib 525 are staggered in the width direction, so that the first rib 515 can be completely sealed and connected with the second plate body 524, and the sealing effect is better, which can prevent the heat exchange medium in the first heat exchange channel 101 from passing through the inner side wall between the first rib 515 and the second groove 526, which is conducive to further ensuring the flow of the heat exchange medium in the first heat exchange channel 101, and thus ensuring the heat exchange efficiency of the heat exchanger 100. The third rib 14 and the first rib 515 are staggered in the width direction, so that the third rib 14 can be completely sealed and connected with the first plate body 514, and the sealing effect is better, which can prevent the heat exchange medium in the second heat exchange channel 102 from passing through the inner side wall between the third rib 14 and the first groove 516, and thus ensuring the flow of the heat exchange medium in the second heat exchange channel 102, and thus ensuring the heat exchange efficiency of the heat exchanger 100.

[0081] Specifically, a plurality of first bulges 5151 are provided on the first rib 515, and the first bulges 5151 are provided along the width direction of the first rib 515. A plurality of second bulges 5251 are provided on the second rib 525, and the second bulges 5251 are provided along the width direction of the second rib 525. By providing the first bulges 5151 on the first rib 515, it is beneficial to enhance the turbulence effect of the first heat exchange channel 101, thereby improving the heat exchange efficiency of the heat exchanger 100. By providing the second bulges 5251 on the second rib 525, it is beneficial to enhance the turbulence effect of the second heat exchange channel 102, thereby improving the heat exchange efficiency of the heat exchanger 100.

[0082] Specifically, a plurality of convex bumps 527 are provided on the second plate body 524, and the plurality of convex bumps 527 are all provided to protrude toward the first plate 51, and the side of the convex bumps 527 facing away from the second plate body 524 is in contact with the first plate body 514. There is a gap between any two adjacent convex bumps 527, and the first plate 51, the second plate 52 and the gap form the first heat exchange channel 101. By providing a plurality of convex bumps 527 on the second plate body 524, the convex bumps 527 are located in the first heat exchange channel 101, and the convex bumps 527 are used for flow disturbance, so as to enhance the flow disturbance effect when the heat exchange medium passes through the first heat exchange channel 101, thereby improving the heat exchange efficiency of the heat exchanger 100.

[0083] See also Figures 1 to 9 In this embodiment, the number of heat exchange units 50 is multiple, and the multiple heat exchange units 50 are stacked in the height direction. A second heat exchange channel 102 is enclosed between each two adjacent heat exchange units 50, that is, a second heat exchange channel 102 is enclosed between the second plate 52 of a heat exchange unit 50 and the first plate 51 of an adjacent heat exchange unit 50, and the second rib 525 on the second plate 52 of a heat exchange unit 50 is sealed and connected with the first plate body 514 of the first plate 51 of the adjacent heat exchange unit 50. In this way, a heat exchanger 100 in which the first heat exchange channel 101, the second heat exchange channel 102, and the first heat exchange channel 101 are stacked in sequence can be formed. The arrangement of multiple heat exchange units 50 is conducive to increasing the number of the first heat exchange channel 101 and the second heat exchange channel 102, thereby improving the heat exchange efficiency of the heat exchanger 100.

[0084] The fin plate 30 further includes a plurality of third fin plates, and a third fin plate is disposed between each two adjacent heat exchange units 50, that is, a third fin plate is disposed between the second plate 52 of a heat exchange unit 50 and the first plate 51 of an adjacent heat exchange unit 50. The third fin plate is used to provide a turbulent effect, and the provision of the third fin plate is conducive to improving the turbulent effect of the heat exchange medium in the second heat exchange channel 102, thereby improving the heat exchange efficiency of the heat exchanger 100.

[0085] See also Figures 1 to 11 , Fig.10 This is a top view of a fin plate provided by an embodiment of the present application. Fig.11 This is a structural diagram of a fin plate provided by an embodiment of the present application.

[0086] In this embodiment, the fin plate 30 includes a base plate 34, a plurality of first fins 35 and a plurality of second fins 36. The plurality of first fins 35 and the plurality of second fins 36 are fixedly connected to the base plate 34. In a specific embodiment, both the first fin 35 and the second fin 36 are in a "J" shape.

[0087] When the fin plate 30 is the first fin plate disposed between the top plate 10 and the first plate 51, the base plate 34 of the fin plate 30 is connected to the first plate 51, the first fin 35 is in contact with the top plate 10, and the second fin 36 is spaced from the top plate 10.

[0088] When the fin plate 30 is the second fin plate disposed between the second plate 52 and the bottom plate 70, the base plate 34 of the fin plate 30 is connected to the bottom plate 70, the first fin 35 is in contact with the second plate 52, and the second fin 36 is spaced from the second plate 52.

[0089] When the fin plate 30 is the third fin plate disposed between two adjacent heat exchange units 50, the base plate 34 of the fin plate 30 is connected to the first plate 51 of one heat exchange unit 50, the first fin 35 is in contact with the second plate 52 of the adjacent heat exchange unit 50, and the second fin 36 is spaced from the second plate 52 of the adjacent heat exchange unit 50.

[0090] By providing the fin plate 30, the turbulence effect of the heat exchange medium passing through the second heat exchange channel 102 is enhanced, thereby improving the heat exchange efficiency of the heat exchanger 100.

[0091] Specifically, in one embodiment, the plurality of first fins 35 and the plurality of second fins 36 are arranged alternately along the length direction, the plurality of first fins 35 are connected along the width direction, and the plurality of second fins 36 are connected along the width direction. In another embodiment, the plurality of first fins 35 and the plurality of second fins 36 are arranged alternately along the length direction, and the plurality of first fins 35 and the plurality of second fins 36 are arranged alternately along the width direction. It should be understood that the above first fin plate, second fin plate and third fin plate can be the same fin plate 30, or the above two different types of fin plates 30. The present application does not limit this. Through the arrangement of the first fins 35 and the second fins 36 on the fin plate 30 in the second heat exchange channel 102, and the fin plate 30 in which the first fins 35 and the second fins 36 can form two different interleaving methods is beneficial to enhancing the turbulence effect of the heat exchange medium passing through the second heat exchange channel 102, thereby improving the heat exchange efficiency of the heat exchanger 100.

[0092] More specifically, the height of the first fin 35 along the height direction is a first height value, the height of the second fin 36 along the height direction is a second height value, and the ratio of the second height value to the first height value is in the range of [0.3, 0.8].

[0093] Second embodiment:

[0094] See also Figures 1 to 11 , the heat exchanger 100 provided in the second embodiment of the present application is substantially the same as the heat exchanger 100 provided in the first embodiment of the present application, except that the heat exchanger 100 provided in the second embodiment of the present application includes only one heat exchange unit 50, and the design of the bottom plate 70 and the second fin plate is omitted. In other words, the top plate 10, the first fin plate, the first plate 51 and the second plate 52 are stacked in sequence along the height direction to form the heat exchanger 100. Correspondingly, the first plate 51 and the second plate 52 enclose a first heat exchange channel 101, the top plate 10 and the first plate 51 enclose a second heat exchange channel 102, and the first fin plate is arranged in the second heat exchange channel 102. That is, a second heat exchange channel 102 and a first heat exchange channel 101 are formed in the heat exchanger 100. At the same time, the first hole 521 and the second hole 522 on the second plate 52 can be omitted. The heat exchange medium can flow from the outside of the heat exchanger 100 into the first heat exchange channel 101 through the first air inlet hole 111 of the top plate 10 and the first air inlet hole 5111 of the first plate 51, and can flow out of the heat exchanger 100 through the first heat exchange channel 101, the first air outlet hole 5112 of the first plate 51, and the first air outlet hole 112 of the top plate 10. The heat exchange medium can flow from the outside of the heat exchanger 100 into the second heat exchange channel 102 between the top plate 10 and the first plate 51 through the second air inlet hole 121 of the top plate 10, and can flow out of the heat exchanger 100 through the second air outlet hole 122 of the top plate 10.

[0095] Third embodiment:

[0096] See also Figures 1 to 11 The heat exchanger 100 provided in the third embodiment of the present application is substantially the same as the heat exchanger 100 provided in the first embodiment of the present application, except that the heat exchanger 100 provided in the third embodiment of the present application only includes one heat exchange unit 50, and the design of the top plate 10 and the first fin plate is omitted. In other words, the first plate 51, the second plate 52, the second fin plate and the bottom plate 70 are stacked in sequence along the height direction to form the heat exchanger 100. Correspondingly, the first plate 51 and the second plate 52 enclose a first heat exchange channel 101, the second plate 52 and the bottom plate 70 enclose a second heat exchange channel 102, and the second fin plate is arranged in the second heat exchange channel 102. That is, a second heat exchange channel 102 and a first heat exchange channel 101 are formed in the heat exchanger 100.

[0097] Meanwhile, the first boss 513 on the first plate 51 can be omitted. The heat exchange medium can flow from the outside of the heat exchanger 100 into the first heat exchange channel 101 through the first air inlet 5111 of the first plate 51, and the heat exchange medium can flow out of the heat exchanger 100 through the first heat exchange channel 101 and the first air outlet 5112 of the first plate 51. The heat exchange medium can flow from the outside of the heat exchanger 100 into the second heat exchange channel 102 between the second plate 52 and the bottom plate 70 through the second air inlet 5121 of the first plate 51 and the second air inlet 5221 of the second plate 52, and the heat exchange medium can flow out of the heat exchanger 100 through the second air outlet 5222 of the second plate 52 and the second air outlet 5122 of the first plate 51.

[0098] Fourth embodiment:

[0099] See also Figures 1 to 11 The heat exchanger 100 provided in the fourth embodiment of the present application is substantially the same as the heat exchanger 100 provided in the third embodiment of the present application, except that the heat exchanger 100 provided in the fourth embodiment of the present application includes only one heat exchange unit 50, and the design of the top plate 10, the first fin plate, the second fin 36 and the bottom plate 70 are omitted. In other words, the first plate 51 and the second plate 52 are stacked to form the heat exchanger 100. Correspondingly, the first plate 51 and the second plate 52 enclose a first heat exchange channel 101, that is, only one first heat exchange channel 101 is formed in the heat exchanger 100.

[0100] Meanwhile, the first boss 513 and the second hole 512 on the first plate 51 can be omitted. The first hole 521, the second hole 522 and the second boss 523 on the second plate 52 can be omitted. The heat exchange medium can flow from the outside of the heat exchanger 100 into the first heat exchange channel 101 through the first air inlet 5111 of the first plate 51, and the heat exchange medium can flow out of the heat exchanger 100 through the first heat exchange channel 101 and the first air outlet 5112 of the first plate 51.

[0101] Fifth embodiment:

[0102] See also Figures 1 to 11The heat exchanger 100 provided in the fifth embodiment of the present application is substantially the same as the heat exchanger 100 provided in the fourth embodiment of the present application, except that the heat exchanger 100 provided in the fifth embodiment of the present application includes a plurality of heat exchange units 50, and the design of the top plate 10, the first fin plate, the second fin 36 and the bottom plate 70 are omitted. In other words, taking the heat exchanger 100 including two heat exchange units 50 as an example, the first plate 51, the second plate 52, the third fin plate, the first plate 51 and the second plate 52 are stacked in sequence to form the heat exchanger 100. Correspondingly, the first plate 51 and the second plate 52 enclose a first heat exchange channel 101, that is, only two first heat exchange channels 101 are formed in the heat exchanger 100. A second heat exchange channel 102 is formed between two adjacent heat exchange units 50, that is, the second plate 52 of a heat exchange unit 50, the third fin plate and the first plate 51 of an adjacent heat exchange unit 50 enclose a second heat exchange channel 102. The heat exchange medium can flow from the outside of the heat exchanger 100 into the first heat exchange channel 101 through the first air inlet 5111 of the first plate 51, and the heat exchange medium in the first heat exchange channel 101 can flow into another first heat exchange channel 101 through the first air inlet 5211 on the second plate 52 and the first air inlet 5111 of the first plate 51. The heat exchange medium can flow out of the heat exchanger 101 through one first heat exchange channel 101, the first air outlet 5112 of the first plate 51, the first air outlet 5212 of the second plate 52, another first heat exchange channel 101, and the first air outlet 5112 of the first plate 51. The heat exchange medium can flow into the second heat exchange channel 102 through the second air inlet hole 5121 of the first plate 51 and the second air inlet hole 5221 of the second plate 52, and the heat exchange medium can flow out of the heat exchanger 100 through the second heat exchange channel 102, the second air outlet hole 5222 of the second plate 52 and the second air outlet hole 5122 of the first plate 51.

[0103] The above are some implementation methods of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications are also considered to be within the scope of protection of the present application.

Claims

1. A heat exchanger, characterized in that: It comprises a plurality of heat exchange units, each of which comprises a first plate and a second plate which are stacked; The first plate includes a first plate body and a first convex rib, the first convex rib is protruded toward the second plate and forms a first groove, and the opening of the first groove is located on a side of the first convex rib away from the second plate; The second plate includes a second plate body and a second rib, the second rib protrudes in a direction away from the first plate and forms a second groove, the opening of the second groove is located on the side of the second rib facing the first plate; the first rib is sealed and connected to the second plate body, and the first plate and the second plate together form a first heat exchange channel.

2. The heat exchanger according to claim 1, characterized in that The first convex rib includes a first end and a second end, the first end of the first convex rib is connected to the edge of the first plate, and the second end of the first convex rib is spaced apart from the edge of the first plate; The first convex rib separates the first heat exchange channel into a first heat exchange zone and a second heat exchange zone. The first heat exchange zone and the second heat exchange zone are separated at the position of the first end of the first convex rib, and the first heat exchange zone and the second heat exchange zone are connected at the position of the second end of the first convex rib.

3. The heat exchanger according to claim 2, characterized in that The first convex rib extends along the length direction, and the second convex rib extends along the length direction; the center axis of the first convex rib in the length direction and the center axis of the second convex rib in the length direction are staggered in the width direction.

4. The heat exchanger according to claim 3, characterized in that A plurality of bulges are arranged on the first convex rib, and the bulges protrude from the first convex rib along the width direction.

5. The heat exchanger according to claim 1, characterized in that The first plate has a first hole extending through the plate in a height direction, the first hole being connected to the first heat exchange channel; The second plate body is provided with a plurality of convex bumps protruding toward the first plate, and the side of the convex bumps facing away from the second plate body is in contact with the first plate body; there is a gap between any two adjacent convex bumps, and the gap forms the first heat exchange flow channel.

6. The heat exchanger according to claim 1, characterized in that Multiple heat exchange units are stacked in the height direction, the second plate of one heat exchange unit is stacked with the first plate of an adjacent heat exchange unit, the second plate of one heat exchange unit and the first plate of an adjacent heat exchange unit together form a second heat exchange channel, and the first plate and the second plate of an adjacent heat exchange unit together form another first heat exchange channel; the second rib is sealed and connected to the first plate of the adjacent heat exchange unit.

7. The heat exchanger according to claim 6, characterized in that The first plate has a first hole and a second hole extending through the plate in a height direction, and the first hole of the first plate and the second hole of the first plate are spaced apart in a length direction; The second plate has a first hole and a second hole extending through the plate in the height direction, the first hole of the second plate is arranged opposite to the first hole of the first plate in the height direction, and the second hole of the second plate is arranged opposite to the second hole of the first plate in the height direction; The second plate also has a boss arranged around the second hole of the second plate, the boss protrudes toward the first plate and fits the first plate, and the projection of the second hole of the first plate on the boss along the height direction is completely located on the boss; The first hole of the first plate, the first heat exchange channel and the first hole of the second plate are connected in sequence; the second hole of the first plate, the second hole of the second plate and the second heat exchange channel are connected in sequence.

8. The heat exchanger according to claim 6, characterized in that The heat exchange unit further comprises a fin plate, and the fin plate is arranged in the second heat exchange flow channel; The fin plate includes a base plate, a plurality of first fins and a plurality of second fins, wherein the plurality of first fins and the plurality of second fins are fixedly connected to the base plate; the base plate is connected to a first plate of a heat exchange unit, the first fins are attached to a second plate of an adjacent heat exchange unit, and the second fins are spaced apart from a second plate of an adjacent heat exchange unit.

9. The heat exchanger according to claim 8, characterized in that The plurality of first fins and the plurality of second fins are arranged alternately along the length direction, the plurality of first fins are connected along the width direction, and the plurality of second fins are connected along the width direction; or, the plurality of first fins and the plurality of second fins are arranged alternately along the length direction, and the plurality of first fins and the plurality of second fins are arranged alternately along the width direction.

10. The heat exchanger according to claim 8, characterized in that The height of the first fin along the height direction is a first height value, the height of the second fin along the height direction is a second height value, and the ratio range of the second height value to the first height value is [0.3, 0.8].

11. The heat exchanger according to claim 1, characterized in that The heat exchange unit comprises a top plate and a fin plate, wherein the top plate and the first plate are stacked, the fin plate is sandwiched between the top plate and the first plate, and the top plate, the fin plate and the first plate enclose a second heat exchange flow channel; The top plate includes a third plate body and a third rib, the third rib protrudes toward the first plate and forms a third groove, the opening of the first groove is located on the side of the first rib away from the second plate, and the third rib is sealed and connected to the first plate body.

12. The heat exchanger according to claim 11, characterized in that The top plate has a first hole and a second hole extending through the top plate in a height direction, and the first hole and the second hole of the top plate are spaced apart in a length direction; The first plate has a first hole and a second hole extending through the plate in the height direction, the first hole of the first plate is arranged opposite to the first hole of the top plate in the height direction, and the second hole of the first plate is arranged opposite to the second hole of the top plate in the height direction; The first plate also has a first boss arranged around the first hole of the first plate, the first boss protrudes toward the top plate and fits with the top plate; the projection of the first hole of the top plate on the first boss along the height direction is completely located on the first boss; The first hole of the top plate, the first hole of the first plate and the first heat exchange channel are connected in sequence; the second hole of the top plate and the second heat exchange channel are connected in sequence.

13. The heat exchanger according to claim 12, characterized in that A side of the first boss close to the first hole of the first plate is recessed toward a direction away from the first hole of the first plate.

14. The heat exchanger according to claim 11, characterized in that The heat exchange unit includes a bottom plate and a fin plate, the bottom plate and the second plate are stacked, the fin plate is sandwiched between the first plate and the bottom plate, the first plate, the fin plate and the bottom plate form a second heat exchange flow channel, and the third rib is sealed and connected to the bottom plate.

15. The heat exchanger according to claim 14, characterized in that The first plate has a first hole and a second hole extending through the plate in the height direction, the first hole of the second plate and the first hole of the first plate are arranged opposite to each other in the height direction, and the second hole of the bottom plate, the second hole of the second plate and the second hole of the first plate are arranged opposite to each other in the height direction; The second plate has a first hole and a second hole extending through the second plate in a height direction, and the first hole of the second plate and the second hole of the second plate are spaced apart in a length direction; The bottom plate has a second boss protruding toward the second plate, and the second boss is attached to the second plate and seals the first hole of the second plate; The second plate also has a boss arranged around the second hole of the second plate, the boss protrudes toward the first plate and fits the first plate, and the projection of the second hole of the first plate on the boss along the height direction is completely located on the boss; The first hole of the first plate, the first heat exchange channel and the first hole of the second plate are connected in sequence; the second hole of the first plate, the second hole of the second plate and the second heat exchange channel are connected in sequence.

16. A heat exchange device, characterized in that: include: The device body, and The heat exchanger according to any one of claims 1 to 15, wherein the heat exchanger is mounted on the equipment body.

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