Indirect evaporative cooling unit

Abstract

The utility model provides an indirect evaporative cooling unit, and relates to the technical field of cooling equipment. The indirect evaporative cooling unit comprises a case and a heat exchanger, the case comprises a case body, and the heat exchanger is arranged in the case body. A first supporting assembly is fixedly arranged in the box body and used for supporting the heat exchanger, and the heat exchanger is detachably connected with the box body. At least one side of the case main body in the width direction is provided with a maintenance opening for the heat exchanger to enter and exit from the case main body, the case further comprises a sealing cover plate arranged at the maintenance opening, and the sealing cover plate is detachably connected with the case main body and used for sealing the maintenance opening. Therefore, the heat exchanger is convenient to maintain.

Description

Technical Field

[0001] The present application relates to the technical field of cooling equipment, and in particular to an indirect evaporative cooling unit. Background Art

[0002] Data centers can be used to transmit, accelerate, display, calculate, and store data information on network infrastructure. With the rapid development of the information and communication technology industry, the heat generated by data centers during operation is increasing, and the requirements for heat dissipation in data centers are also increasing.

[0003] In order to meet the heat dissipation requirements of the data center, an indirect evaporative cooling unit can be used to cool the air in the computer room of the data center. In the related art, the indirect evaporative cooling unit may include a chassis and a heat exchanger, and the heat exchanger is arranged in the chassis.

[0004] However, the indirect evaporative cooling unit in the related art is inconvenient to maintain the heat exchanger arranged in the chassis. Utility Model Content

[0005] The present application aims to provide an indirect evaporative cooling unit to solve the problem in the prior art that it is inconvenient to maintain a heat exchanger arranged in a chassis.

[0006] The present application provides an indirect evaporative cooling unit, which includes a chassis and a heat exchanger. The chassis includes a chassis body, and the heat exchanger is arranged in the chassis body. A first support assembly is fixedly arranged in the chassis body, and the first support assembly is used to support the heat exchanger, and the heat exchanger is detachably connected to the chassis body.

[0007] At least one side of the box body in the width direction has a maintenance port for the heat exchanger to enter and exit the box body. The chassis also includes a cover plate arranged at the maintenance port, which is detachably connected to the box body and is used to cover the maintenance port.

[0008] The indirect evaporative cooling unit provided in the present application can move the heat exchanger out from the maintenance port after removing the cover plate when the heat exchanger needs to be replaced or maintained. After completing the replacement or maintenance of the heat exchanger, the heat exchanger can be moved back into the box body through the maintenance port. The replacement or maintenance of the heat exchanger does not require consideration of the space in the height direction of the box body, and does not require removal of the return air duct, etc., making the replacement and maintenance of the heat exchanger more convenient.

[0009] Optionally, the first support assembly has a first slideway with both ends extending along the width direction of the box body, the heat exchanger slidably cooperates with the first support assembly through the first slideway, and the maintenance port is used for the heat exchanger to slide out of the box body along the first slideway.

[0010] Optionally, the heat exchanger is tilted in the box body. The heat exchanger has a first edge, a second edge and a third edge, the first edge is located at the lower end of the heat exchanger, and the second edge and the third edge are respectively located at both ends of the heat exchanger in the length direction of the box body. The first support assembly includes a first support beam, a second support beam and a third support beam, both ends of the first support beam, the second support beam and the third support beam extend along the width direction of the box body, and the first support beam, the second support beam and the third support beam are fixedly connected to the box body. The upper surface of the third support beam has a first slide, the first edge is inserted into the first slide and slides with the first slide. The side of the heat exchanger adjacent to the second edge is overlapped on the first support beam and slides with the first support beam. The side of the heat exchanger adjacent to the third edge is overlapped on the second support beam and slides with the second support beam.

[0011] Optionally, the first slide has a first supporting wall and a second supporting wall. The first supporting wall and the second supporting wall are both inclined, the lower ends of the first supporting wall and the second supporting wall intersect, the first edge is located between the first supporting wall and the second supporting wall, and the first supporting wall and the second supporting wall are respectively used to support the side surfaces of the heat exchanger located on both sides of the first edge in the length direction of the box body.

[0012] Optionally, a support member is fixedly provided at the second edge of the heat exchanger, the support member is overlapped on the upper surface of the first support beam, the support member is in surface contact with the upper surface of the first support beam, and the support member and the first support beam are slidably matched.

[0013] Optionally, the first supporting beam includes a boss structure, which is located on a side of the support member away from the heat exchanger in the length direction of the box body, and is used to limit the support member from moving in a direction toward the heat exchanger along the length direction of the box body toward the boss structure.

[0014] Optionally, the chassis further comprises a reinforcing structure provided at the maintenance port, the reinforcing structure being detachably connected to the chassis body, and the cover plate being detachably connected to the reinforcing structure.

[0015] Optionally, the indirect evaporative cooling unit further comprises an evaporator, which is arranged in the box body. A second support assembly is fixedly arranged in the box body, and the second support assembly is used to support the evaporator, and the evaporator is detachably connected to the box body. The maintenance port is also used for the evaporator to enter and exit the box body.

[0016] Optionally, the second support assembly has a second slideway with both ends extending along the width direction of the box body, the evaporator slidably cooperates with the second support assembly through the second slideway, and the maintenance port is used for the evaporator to slide out of the box body along the second slideway.

[0017] Optionally, the evaporator is tilted in the box body, and the evaporator has a fourth edge, which is located at the lower end of the evaporator. The second support assembly includes a fourth support beam and a fifth support beam, both ends of which extend along the width direction of the box body, and the fourth support beam and the fifth support beam are fixedly connected to the box body. The upper surface of the fifth support beam has a second slide, and the fourth edge is inserted into the second slide and slidably cooperates with the second slide. The upper end of the evaporator overlaps the fourth support beam and slidably cooperates with the fourth support beam.

[0018] Optionally, the second slide has a third support wall and a fourth support wall. The third support wall and the fourth support wall are both inclined, the lower ends of the third support wall and the fourth support wall intersect, the fourth edge is located between the third support wall and the fourth support wall, and the third support wall and the fourth support wall are respectively used to support the side surfaces of the evaporator located on both sides of the fourth edge in the length direction of the box body. The dimension of the third support wall in the length direction of the box body is greater than the dimension of the fourth support wall in the length direction of the box body, and the dimension of the third support wall in the height direction of the box body is greater than the dimension of the fourth support wall in the height direction of the box body.

[0019] Optionally, the heat exchanger has a first heat exchange channel. The chassis has an indoor return air duct, and the outlet end of the indoor return air duct is connected to the inlet end of the first heat exchange channel. The outer wall of the chassis has a first door opening connecting the indoor return air duct and the outside of the chassis, and a first inspection door is provided at the first door opening. The first inspection door has an openable cover connected to the chassis, and the first inspection door is used to cover the first door opening.

[0020] Optionally, the indirect evaporative cooling unit further includes a first fan unit. The heat exchanger further includes a second heat exchange flow channel, and the chassis further includes an outdoor air outlet duct, the inlet end of the outdoor air outlet duct is connected to the outlet end of the second heat exchange flow channel. The first fan unit is arranged in the outdoor air outlet duct, and the outdoor air outlet duct includes a first chamber formed between the first fan unit and the heat exchanger.

[0021] The outer wall of the chassis has a second door opening connecting the first chamber with the outside of the chassis. A second inspection door is arranged at the second door opening. The second inspection door has an openable cover connected to the chassis. The second inspection door is used to cover the second door opening.

[0022] Optionally, a condenser is further included, the condenser is arranged in the outdoor air outlet duct, and the condenser is located between the first fan unit and the heat exchanger. The first chamber includes a first sub-chamber formed between the condenser and the first fan unit and a second sub-chamber formed between the condenser and the heat exchanger, and the second door opening is connected to the first sub-chamber.

[0023] The outer wall of the chassis has a third door opening connecting the second sub-chamber and the outside of the chassis. A third inspection door is provided at the third door opening. The third inspection door has an openable cover connected to the chassis. The third inspection door is used to cover the third door opening.

[0024] Optionally, the indirect evaporative cooling unit further includes a second fan unit. An indoor air supply duct is provided in the chassis, and an inlet end of the indoor air supply duct is connected to an outlet end of the first heat exchange flow channel of the heat exchanger. The second fan unit is arranged in the indoor air supply duct, and the indoor air supply duct includes a second chamber formed between the second fan unit and the heat exchanger.

[0025] The outer wall of the chassis has a fourth door opening connecting the second chamber and the outside of the chassis. A fourth inspection door is provided at the fourth door opening. The fourth inspection door has an openable cover connected to the chassis. The fourth inspection door is used to cover the fourth door opening.

[0026] Optionally, the indirect evaporative cooling unit further comprises a water baffle and a water receiving pan. The water receiving pan is arranged below the outlet end of the second heat exchange flow channel of the heat exchanger, and the water baffle is arranged above the water receiving pan, and the water baffle is used to block the liquid medium flowing out of the outlet end of the second heat exchange flow channel toward the water receiving pan.

[0027] Optionally, the water baffle has an air passage connecting both sides of the water baffle, and the air passage is used to allow the gaseous medium flowing out of the outlet end of the second heat exchange flow channel to flow through the water baffle. The air inlet of the air passage is located below the air outlet of the air passage.

[0028] Optionally, the indirect evaporative cooling unit further comprises a compressor, which is connected to an evaporator of the indirect evaporative cooling unit, and both the compressor and the evaporator are arranged in an indoor air supply duct of the chassis.

[0029] Optionally, the indirect evaporative cooling unit also includes a spray system and a water supply system. The spray system is arranged at the inlet end of the second heat exchange flow channel of the heat exchanger, and the water supply system is arranged in the indoor air supply duct of the chassis. The water supply system is connected to the spray system through a pipeline, and the water supply system is used to supply water to the spray system. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0031] Figure 1 A schematic diagram of an air flow path of an indirect evaporative cooling unit proposed in an embodiment of the present application;

[0032] Figure 2 A schematic diagram of an indirect evaporative cooling unit proposed in an embodiment of the present application;

[0033] Figure 3 A schematic diagram of another indirect evaporative cooling unit from one perspective provided in an embodiment of the present application;

[0034] Figure 4 for Figure 3 Schematic diagram of another perspective of the indirect evaporative cooling unit proposed in;

[0035] Figure 5 for Figure 3 A magnified view of part A in FIG.

[0036] Figure 6 for Figure 4 The enlarged view of the D part in FIG.

[0037] Figure 7 for Figure 3 A magnified view of part B in FIG.

[0038] Figure 8 for Figure 4 The enlarged view of part E in FIG.

[0039] Fig. 9 for Figure 3 The enlarged view of the C part in FIG.

[0040] Fig.10 for Figure 4 The enlarged view of the F part in the figure;

[0041] Fig.11 A schematic diagram of another indirect evaporative cooling unit proposed in an embodiment of the present application;

[0042] Fig.12 for Figure 4 Enlarged view of the middle G section.

[0043] Description of reference numerals:

[0044] 1. Equipment room; 2. Machine room 2; 3. Return air duct; 4. Supply air duct; 5. Inlet air duct; 6. Outlet air duct; 7. Indirect evaporative cooling unit;

[0045] 100, chassis; 110, indoor return air duct; 120, indoor supply air duct; 121, second chamber; 130, outdoor air inlet duct; 140, outdoor air outlet duct; 141, first chamber; 1411, first sub-chamber; 1412, second sub-chamber; 150, box body; 151, maintenance port; 161, first inspection door; 162, second inspection door; 163, third inspection door; 164, fourth inspection door; 170, reinforcement structure;

[0046] 200, heat exchanger; 210, first heat exchange channel; 220, second heat exchange channel; 230, first support member; 240, second support member; 250, first edge; 260, second edge; 270, third edge;

[0047] 300, first fan unit; 310, first fan module; 311, first installation frame; 312, first handle; 320, first installation frame;

[0048] 400, second fan assembly; 410, second fan module; 411, second installation frame; 412, second handle; 420, second installation frame;

[0049] 510, evaporator; 511, fourth edge; 512, fifth edge; 520, condenser; 530, compressor;

[0050] 610, water tray; 620, water baffle;

[0051] 700, sprinkler system;

[0052] 810, first support assembly; 811, first slideway; 8111, first support wall; 8112, second support wall; 812, first support beam; 8121, first boss structure; 813, second support beam; 8131, second boss structure; 814, third support beam; 815, first fixing member;

[0053] 820, second support assembly; 821, second slide; 8211, third support wall; 8212, fourth support wall; 822, fourth support beam; 823, fifth support beam; 824, third slide; 8241, fifth support wall;

[0054] 900. Electric control box. DETAILED DESCRIPTION

[0055] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments 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 embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0056] It should be noted that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0057] In this application, unless otherwise clearly specified and limited, the terms "installation", "connection", "fixation" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, it can be a connection between two elements or an interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0058] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a 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 higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0059] In the above description, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0060] Data centers can be used to transmit, accelerate, display, calculate, and store data information on network infrastructure. With the rapid development of the information and communication technology industry, the heat generated by data centers during operation is increasing, and the requirements for heat dissipation in data centers are also increasing.

[0061] To meet the heat dissipation requirements of a data center, an indirect evaporative cooling unit can be used to cool the air in the computer room of the data center.

[0062] Figure 1 This is a schematic diagram of the air flow path of an indirect evaporative cooling unit proposed in an embodiment of the present application.

[0063] In the figure, L1 is the flow direction of air from the outside, and L2 is the flow direction of air from the machine room.

[0064] like Figure 1 As shown, in an embodiment of the present application, the indirect evaporative cooling unit 7 includes a heat exchanger 200, which has a first heat exchange channel 210 and a second heat exchange channel 220. The heat exchanger 200 is used to perform heat exchange between the medium in the first heat exchange channel 210 and the medium in the second heat exchange channel 220.

[0065] The indirect evaporative cooling unit 7 has an indoor return air duct 110, an indoor supply air duct 120, an outdoor air inlet duct 130 and an outdoor air outlet duct 140. The outlet end of the indoor return air duct 110 is connected to the inlet end of the first heat exchange channel 210, the inlet end of the indoor supply air duct 120 is connected to the outlet end of the first heat exchange channel 210, the outlet end of the outdoor air inlet duct 130 is connected to the inlet end of the second heat exchange channel 220, and the inlet end of the outdoor air outlet duct 140 is connected to the outlet end of the second heat exchange channel 220.

[0066] Exemplarily, the indirect evaporative cooling unit 7 can be arranged in the equipment room 1, and the inlet end of the indoor return air duct 110 can be connected to the computer room 2 of the data center through the return air duct 3, so that the air in the computer room 2 of the data center can flow into the first heat exchange channel 210 through the indoor return air duct 110 for heat exchange, and the outlet end of the indoor supply air duct 120 can be connected to the computer room 2 of the data center through the supply air duct 4, so that the air after heat exchange in the first heat exchange channel 210 can flow back to the computer room 2 of the data center through the indoor supply air duct 120. The inlet end of the outdoor air inlet duct 130 can be connected to the outside through the air inlet duct 5, so that the outdoor air can flow into the second heat exchange channel 220 through the outdoor air inlet duct 130 for heat exchange, and the outlet end of the outdoor air outlet duct 140 can be connected to the outside through the air outlet duct 6, so that the air after heat exchange in the second heat exchange channel 220 can flow to the outside through the outdoor air outlet duct 140.

[0067] Figure 2 This is a schematic diagram of an indirect evaporative cooling unit proposed in an embodiment of the present application.

[0068] like Figure 2As shown, in the embodiment of the present application, the indirect evaporative cooling unit 7 further includes a chassis 100, and the heat exchanger 200 is arranged in the chassis 100. The chassis 100 has an indoor return air duct 110, an indoor supply air duct 120, an outdoor inlet air duct 130 and an outdoor outlet air duct 140.

[0069] Exemplarily, a partition may be provided in the chassis 100, and the outer wall of the chassis 100 and the partition provided in the chassis 100 may enclose an indoor return air duct 110, an indoor supply air duct 120, an outdoor air inlet duct 130, and an outdoor air outlet duct 140. The indoor return air duct 110, the indoor supply air duct 120, the outdoor air inlet duct 130, and the outdoor air outlet duct 140 may be separated by the partition provided in the chassis 100.

[0070] Figure 3 This is a schematic diagram of another indirect evaporative cooling unit from one perspective proposed in an embodiment of the present application. Figure 4 for Figure 3 Schematic diagram of another perspective of the indirect evaporative cooling unit proposed in.

[0071] like Figure 3 , Figure 4 As shown, the indirect evaporative cooling unit 7 also includes a refrigerant circulation system, which includes a compressor 530, a condenser 520, a throttling device and an evaporator 510. The outlet of the compressor 530 is connected to the refrigerant inlet of the condenser 520, the refrigerant outlet of the condenser 520 is connected to the inlet of the throttling device, the outlet of the throttling device is connected to the refrigerant inlet of the evaporator 510, and the refrigerant outlet of the evaporator 510 is connected to the inlet of the compressor 530. After being compressed in the compressor 530, the refrigerant flowing out of the outlet of the compressor 530 flows through the condenser 520, the throttling device and the evaporator 510 in sequence, and then flows back to the compressor 530. The condenser 520 is arranged in the outdoor air outlet duct 140, and the evaporator 510 is arranged in the indoor air supply duct 120.

[0072] For example, the condenser 520 may be disposed vertically or inclined.

[0073] For example, the evaporator 510 may be disposed vertically or inclined.

[0074] In the embodiment of the present application, the indirect evaporative cooling unit 7 further includes a first fan unit 300, which is disposed in the outdoor air outlet duct 140, and the outdoor air outlet duct 140 includes a first chamber 141 formed between the first fan unit 300 and the heat exchanger 200. The first fan unit 300 is used to drive the air at the inlet end of the outdoor air inlet duct 130 to flow toward the outlet end of the outdoor air outlet duct 140.

[0075] The indirect evaporative cooling unit 7 further includes a second fan unit 400, which is disposed in the indoor air supply duct 120. The indoor air supply duct 120 includes a second chamber 121 formed between the second fan unit 400 and the heat exchanger 200. The second fan unit 400 is used to drive the air at the inlet end of the indoor return air duct 110 to flow toward the outlet end of the indoor air supply duct 120.

[0076] In the related art, when the heat exchanger needs to be replaced or maintained, it is often necessary to remove the return air duct and the outer wall of the top side of the chassis, and then lift the heat exchanger out from the top side of the chassis. When replacing or maintaining the heat exchanger, a large space needs to be separated above the chassis, and the operations such as disassembling and installing the return air duct are relatively complicated, which makes it inconvenient to maintain the heat exchanger in the chassis.

[0077] like Figure 3 , Figure 4 As shown, based on this, in the embodiment of the present application, the chassis includes a chassis 100 including a chassis body 150. The heat exchanger 200 is arranged in the chassis body 150. A first support assembly 810 is fixedly arranged in the chassis body 150, and the first support assembly 810 is used to support the heat exchanger 200, and the heat exchanger 200 is detachably connected to the chassis body 150. The chassis body 150 has a maintenance port 151 for the heat exchanger 200 to enter and exit the chassis body 150 on at least one side in the width direction, and the chassis 100 also includes a cover plate provided at the maintenance port 151, and the cover plate is detachably connected to the chassis body 150, and the cover plate is used to cover the maintenance port 151.

[0078] In this way, when the heat exchanger 200 needs to be replaced or maintained, the heat exchanger 200 can be moved out from the maintenance port 151 after the cover plate is removed. After the replacement or maintenance of the heat exchanger 200 is completed, the heat exchanger 200 can be moved back into the box body 150 through the maintenance port 151. The replacement or maintenance of the heat exchanger 200 does not require consideration of the space in the height direction of the box body 150, and does not require removal of the return air duct 3, etc., which makes the replacement or maintenance of the heat exchanger 200 more convenient.

[0079] The box body 150 and the cover plate are provided with an indoor return air duct 110 , an indoor supply air duct 120 , an outdoor inlet air duct 130 and an outdoor outlet air duct 140 .

[0080] In some examples, the heat exchanger 200 may be detachably connected to the tank body 150 by fasteners such as screws.

[0081] In other examples, the heat exchanger 200 may be detachably connected to the tank body 150 via a snap-fit ​​structure.

[0082] Exemplarily, the heat exchanger 200 may be detachably connected to the tank body 150 via the first support assembly 810 .

[0083] Figure 5 for Figure 3 The enlarged view of part A in Figure 6 for Figure 4 Enlarged view of part D in .

[0084] like Figure 3-Figure 6 As shown, in some possible embodiments, the first support assembly 810 has a first slide 811 with both ends extending along the width direction of the box body 150, and the heat exchanger 200 slides with the first support assembly 810 through the first slide 811, and the maintenance port 151 is used for the heat exchanger 200 to slide out of the box body 150 along the first slide 811. After the heat exchanger 200 is connected to the box body 150, the heat exchanger 200 can be restricted from sliding along the first slide 811, and after the heat exchanger 200 is disconnected from the box body 150, the heat exchanger 200 can slide along the box body 150.

[0085] In this way, the heat exchanger 200 can be moved into and out of the box body 150 more conveniently, which is beneficial to the maintenance of the heat exchanger 200 .

[0086] Both ends of the first supporting member 810 extend along the width direction of the box body 150 .

[0087] Exemplarily, one end of the first slide 811 facing the maintenance opening 151 is an open end, that is, the heat exchanger 200 can slide out of the first slide 811 from the end of the first slide 811 facing the maintenance opening 151 .

[0088] Exemplarily, the heat exchanger 200 is tilted in the box body 150, and the heat exchanger 200 has a first edge 250, which is located at the lower end of the heat exchanger 200, and both ends of the first edge 250 extend along the width direction of the box body 150. The first edge is inserted into the first slide 811 and slidably cooperates with the first slide 811.

[0089] Exemplarily, the first slide 811 has a first support wall 8111 and a second support wall 8112, both of which are inclined, and both ends of the first support wall 8111 and the second support wall 8112 extend along the width direction of the box body 150, the lower ends of the first support wall 8111 and the second support wall 8112 intersect, the first edge 250 is located between the first support wall 8111 and the second support wall 8112, and the first support wall 8111 and the second support wall 8112 are respectively used to support the side surfaces of the heat exchanger 200 located on both sides of the first edge 250 in the length direction of the box body 150. In this way, the stability of the sliding cooperation between the heat exchanger 200 and the first slide 811 can be better.

[0090] Figure 7 for Figure 3 The enlarged view of part B in Figure 8 for Figure 4 Enlarged view of part E in .

[0091] like Figure 7 , Figure 8 As shown, and see Figure 3 , Figure 4 The first support assembly 810 may include a first support beam 812, both ends of which extend along the width direction of the box body 150, and the first support beam 812 is fixedly connected to the box body 150. The tilted heat exchanger 200 also has a second edge 260, which is located at one end of the heat exchanger 200 in the length direction of the box body 150, and both ends of the second edge 260 extend along the width direction of the box body 150. The side surface of the heat exchanger 200 located below the second edge 260 is overlapped on the first support beam 812 and slidably cooperates with the first support beam 812, and the first support beam 812 is used to support the side surface of the heat exchanger 200 located below the second edge 260.

[0092] Exemplarily, the heat exchanger 200 is fixedly provided with a first support member 230 at the second edge 260, and the first support member 230 overlaps the upper surface of the first support beam 812, and the first support member 230 is in surface contact with the upper surface of the first support beam 812, and the first support member 230 and the first support beam 812 are slidably matched, so that the adjacent side of the heat exchanger 200 below the second edge 260 is overlapped on the first support beam 812 through the first support member 230, and the adjacent side of the heat exchanger 200 below the second edge 260 is slidably matched with the first support beam 812 through the first support member 230, and the first support beam 812 supports the adjacent side of the heat exchanger 200 below the second edge 260 through the first support member 230.

[0093] In this way, the overlap between the heat exchanger 200 and the first supporting beam 812 has better stability.

[0094] For example, the first support member 230 may be fixed on the heat exchanger 200 by fasteners such as screws.

[0095] Exemplarily, the first supporting beam 812 includes a first boss structure 8121, which is located on a side of the first supporting member 230 away from the heat exchanger 200 in the length direction of the box body 150, and the first boss structure 8121 is used to limit the first supporting member 230 from moving in the direction of the first boss structure 8121 toward the heat exchanger 200 along the length direction of the box body 150. In this way, the position of the heat exchanger 200 in the length direction of the box body 150 can be limited.

[0096] Exemplarily, a first fixing member 815 is provided at the second edge 260, one end of the first fixing member 815 is detachably connected to the heat exchanger 200, and the other end of the first fixing member 815 is detachably connected to the first supporting beam 812. Specifically, one end of the first fixing member 815 can be detachably connected to the side surface of the heat exchanger 200 located above the second edge 260, and the other end of the first fixing member 815 can be detachably connected to the upper surface of the first boss structure 8121, so that the heat exchanger 200 and the box body 150 can be detachably connected more conveniently.

[0097] Exemplarily, the first fixing member 815 may be detachably connected to the heat exchanger 200 by means of fasteners such as screws, and the first fixing member 815 may be detachably connected to the first supporting beam 812 by means of fasteners such as screws.

[0098] Fig. 9 for Figure 3 The enlarged view of part C in Fig.10 for Figure 4 Enlarged view of part F in

[0099] like Fig. 9 , Fig.10 As shown, and see Figure 3 , Figure 4 The first support assembly 810 may include a second support beam 813, both ends of which extend along the width direction of the box body 150, and the second support beam 813 is fixedly connected to the box body 150. The inclined heat exchanger 200 also has a third edge 270, which is located at the other end of the heat exchanger 200 in the length direction of the box body 150, and both ends of the third edge 270 extend along the width direction of the box body 150. The side surface of the heat exchanger 200 located below the third edge 270 is overlapped on the second support beam 813 and slidably cooperates with the second support beam 813, and the second support beam 813 is used to support the side surface of the heat exchanger 200 located below the third edge 270.

[0100] Exemplarily, the heat exchanger 200 is fixedly provided with a second support member 240 at the third edge 270, and the second support member 240 overlaps the upper surface of the second support beam 813, and the second support member 240 is in surface contact with the upper surface of the second support beam 813, and the second support member 240 and the second support beam 813 are slidingly matched, so that the adjacent side of the heat exchanger 200 below the third edge 270 is overlapped on the second support beam 813 through the second support member 240, and the adjacent side of the heat exchanger 200 below the third edge 270 is slidingly matched with the second support beam 813 through the second support member 240, and the second support beam 813 supports the adjacent side of the heat exchanger 200 below the third edge 270 through the second support member 240.

[0101] In this way, the overlap between the heat exchanger 200 and the second supporting beam 813 has better stability.

[0102] Exemplarily, the second support member 240 may be fixed on the heat exchanger 200 by fasteners such as screws.

[0103] Exemplarily, the second supporting beam 813 includes a second boss structure 8131, which is located on a side of the second supporting member 240 away from the heat exchanger 200 in the length direction of the box body 150, and the second boss structure 8131 is used to limit the second supporting member 240 from moving in the direction of the second boss structure 8131 toward the heat exchanger 200 along the length direction of the box body 150. In this way, the position of the heat exchanger 200 in the length direction of the box body 150 can be limited.

[0104] By cooperating with the first boss structure 8121 and the second boss structure 8131 , the movement of the heat exchanger 200 toward both sides along the length direction of the box body 150 can be limited, thereby limiting the position of the heat exchanger 200 in the length direction of the box body 150 .

[0105] Exemplarily, a second fixing member may be provided at the third edge 270, one end of the second fixing member is detachably connected to the heat exchanger 200, and the other end of the second fixing member is detachably connected to the second supporting beam 813. Specifically, one end of the second fixing member may be detachably connected to the side surface of the heat exchanger 200 located above the third edge 270, and the other end of the second fixing member may be detachably connected to the upper surface of the second boss structure 8131, so that the heat exchanger 200 and the box body 150 are detachably connected more conveniently.

[0106] Exemplarily, the second fixing member may be detachably connected to the heat exchanger 200 by means of fasteners such as screws, and the second fixing member may be detachably connected to the second supporting beam 813 by means of fasteners such as screws.

[0107] like Figure 4 , Figure 6 As shown, the first support assembly 810 may include a third support beam 814, both ends of which extend along the width direction of the box body 150, and the third support beam 814 is fixedly connected to the box body 150. The upper surface of the third support beam 814 has a first slideway 811, and the third support beam 814 is used to support the first edge 250, that is, the third support beam 814 is used to support the lower end of the heat exchanger 200. The third support beam 814 lifts the heat exchanger 200 so that components can be arranged below the heat exchanger 200.

[0108] Exemplarily, the outlet end of the first heat exchange channel 210 and the outlet end of the second heat exchange channel 220 are both facing obliquely downward. The lower end of the side where the outlet end of the first heat exchange channel 210 is located intersects with the lower end of the side where the outlet end of the second heat exchange channel 220 is located to form a first edge 250, the first support wall 8111 and the second support wall 8112 are used to support the side where the outlet end of the first heat exchange channel 210 is located and the side where the outlet end of the second heat exchange channel 220 is located, respectively, the second edge 260 is located at the upper edge of the side where the outlet end of the first heat exchange channel 210 is located, the upper edge of the side where the outlet end of the first heat exchange channel 210 is located overlaps the first support beam 812 and slides with the first support beam 812, the third edge 270 is located at the upper edge of the side where the outlet end of the second heat exchange channel 220 is located, the upper edge of the side where the outlet end of the second heat exchange channel 220 is located overlaps the second support beam 813 and slides with the second support beam 813.

[0109] like Figure 3 , Figure 4 As shown, in some possible embodiments, the evaporator 510 is disposed in the box body 150. A second support assembly 820 is fixedly disposed in the box body 150, and the second support assembly 820 is located in the indoor air supply duct 120. Specifically, the second support assembly 820 is located in the second chamber 121. The second support assembly 820 is used to support the evaporator 510, and the evaporator 510 is detachably connected to the box body 150. The maintenance port 151 is also used for the evaporator 510 to enter and exit the box body 150.

[0110] In this way, when the evaporator 510 needs to be replaced or maintained, the evaporator 510 can be moved out from the maintenance port 151 after the cover plate is removed. After the replacement or maintenance of the evaporator 510 is completed, the evaporator 510 can be moved back into the box body 150 through the maintenance port 151, which makes the replacement and maintenance of the evaporator 510 more convenient.

[0111] In some examples, the evaporator 510 may be detachably connected to the cabinet body 150 by fasteners such as screws.

[0112] In other examples, the evaporator 510 may be detachably connected to the cabinet body 150 via a snap-fit ​​structure.

[0113] Exemplarily, the evaporator 510 may be detachably connected to the cabinet body 150 via the second supporting assembly 820 .

[0114] like Figure 3-Figure 6As shown, in some possible embodiments, the second support assembly 820 has a second slide 821 with two ends extending along the width direction of the box body 150, and the evaporator 510 is slidably matched with the second support assembly 820 through the second slide 821, and the maintenance port 151 is used for the evaporator 510 to slide out of the box body 150 along the second slide 821. After the evaporator 510 is connected to the box body 150, the evaporator 510 can be restricted from sliding along the second slide 821, and after the evaporator 510 is disconnected from the box body 150, the evaporator 510 can slide along the second slide 821.

[0115] In this way, the evaporator 510 can be moved into and out of the box body 150 more conveniently, which is beneficial to the maintenance of the evaporator 510 .

[0116] Both ends of the second supporting member 820 extend along the width direction of the box body 150 .

[0117] Exemplarily, one end of the second slide 821 facing the maintenance opening 151 is an open end, that is, the evaporator 510 can slide out of the second slide 821 from the end of the second slide 821 facing the maintenance opening 151 .

[0118] Exemplarily, the evaporator 510 is tilted in the box body 150, and the evaporator 510 has a fourth edge 511, which is located at the lower end of the evaporator 510, and both ends of the fourth edge 511 extend along the width direction of the box body 150. The fourth two edges 511 are inserted into the second slide 821 and slidably cooperate with the second slide 821.

[0119] Exemplarily, the second slide 821 has a third support wall 8211 and a fourth support wall 8212, the third support wall 8211 and the fourth support wall 8212 are both inclined, both ends of the third support wall 8211 and the fourth support wall 8212 extend along the width direction of the box body 150, the lower ends of the third support wall 8211 and the fourth support wall 8212 intersect, the fourth edge 511 is located between the third support wall 8211 and the fourth support wall 8212, and the third support wall 8211 and the fourth support wall 8212 are respectively used to support the side surfaces of the evaporator 510 located on both sides of the fourth edge 511 in the length direction of the box body 150. In this way, the stability of the sliding cooperation between the evaporator 510 and the second slide 831 can be better.

[0120] Exemplarily, the dimension of the third support wall 8211 in the length direction of the box body 150 is greater than the dimension of the fourth support wall 8212 in the length direction of the box body 150, and the dimension of the third support wall 8211 in the height direction of the box body 150 is greater than the dimension of the fourth support wall 8212 in the height direction of the box body 150. In this way, the surface of the third support wall 8211 for supporting the evaporation chamber 510 is larger, and when the evaporator 510 slides along the second slide 821, it is not easy to fall out of the second slide 821 due to rotation in the direction of the third support wall 8211.

[0121] Exemplarily, the first slide 811 and the second slide 821 may be arranged side by side and adjacent to each other in the length direction of the box body 150 , and the distance from the third support wall 8211 to the first slide 811 is smaller than the distance from the fourth support wall 8212 to the first slide 811 .

[0122] Exemplarily, the second slide 821 may be disposed in the second chamber 121 .

[0123] like Figure 7 As shown, the second support assembly may include a fourth support beam 822. Both ends of the fourth support beam 822 extend along the width direction of the box body 150, and the fourth support beam 822 is fixedly connected to the box body 150. Specifically, the fourth support beam 822 may be fixedly connected to the lower side of the first support beam 812. The upper end of the inclined evaporator 510 overlaps on the fourth support beam 822 and slidably cooperates with the fourth support beam 822, and the fourth support beam 822 is used to support the upper end of the evaporation chamber 510.

[0124] The fourth supporting beam 822 is located below the first supporting beam 812 .

[0125] Exemplarily, the evaporator 510 may be detachably connected to the fourth supporting beam 822 by means of fasteners such as screws.

[0126] Exemplarily, the evaporator 510 further has a fifth edge 512, which is located at the upper end of the evaporator 510 and at the side of the evaporator 510 away from the heat exchanger 200, and both ends of the fifth edge 512 extend along the width direction of the box body 150. The fourth supporting crossbeam 822 has a third slide 824, and the third slide 824 has an inclined fifth supporting wall 8241. The side of the evaporator 510 located below the fifth edge 512 is overlapped on the fifth supporting wall 8241 and slidably cooperates with the fifth supporting wall 8241. The third slide 824 can be used to limit the evaporator 510 from moving in the direction of the heat exchanger 200 pointing to the evaporator 510 along the length direction of the box body 150.

[0127] The side of the third slide 824 facing the heat exchanger 200 is an open structure, and the side of the third slide 824 adjacent to the fifth supporting wall 8241 and facing obliquely downward is an open structure to facilitate overlapping the evaporator 510 on the fifth supporting wall 8241.

[0128] like Figure 4 , Figure 6 As shown, the second support assembly 820 may include a fifth support beam 823, both ends of which extend along the width direction of the box body 150, and the fifth support beam 823 is fixedly connected to the box body 150. The upper surface of the fifth support beam 823 has a second slide 821, and the fifth support beam 823 is used to support the fourth edge 511, that is, the fifth support beam 823 is used to support the lower end of the evaporator 510. The second slide 821 can be used to limit the movement of the evaporator 510 along the length direction of the box body 150.

[0129] The fifth supporting beam 823 and the third supporting beam 814 may be arranged side by side and adjacent to each other along the length direction of the box body 150 .

[0130] Fig.11 This is a schematic diagram of another indirect evaporative cooling unit proposed in an embodiment of the present application.

[0131] like Fig.11 As shown, in some possible implementations, the chassis 100 further includes a reinforcing structure 170 disposed at the maintenance port 151 , the reinforcing structure 170 is detachably connected to the chassis body 150 , and the cover plate is detachably connected to the reinforcing structure 170 .

[0132] This helps to improve the strength of the chassis 100. In addition, it is convenient for the cover plate to be reliably and stably installed on the box body 150.

[0133] Exemplarily, the reinforcement structure 170 may include a plurality of reinforcement columns and a plurality of reinforcement beams, and both the reinforcement columns and the reinforcement beams are detachably connected to the box body 150 .

[0134] Exemplarily, the box body 150 may include a frame and a cover plate connected to a surface of the frame, and the cover plate and the cover plate form an outer wall of the box 100. The reinforcing mechanism 170 may be detachably connected to the frame.

[0135] In some possible embodiments, the outer wall of the chassis 100 has a first door opening connecting the indoor return air duct 110 with the outside of the chassis 100, and a first inspection door 161 is provided at the first door opening. The first inspection door 161 has an openable and closable cover connected to the chassis 100, and the first inspection door 161 is used to cover the first door opening.

[0136] In this way, the outside of the first inspection door 161 is in a normal pressure environment. When the indirect evaporative cooling unit 7 is in operation, the pressure difference on both sides of the first inspection door 161 is small, and the first inspection door 161 is easy to open and close, which is convenient for entering the indoor return air duct 110 to maintain the components when the indirect evaporative cooling unit 7 is in operation, and it is convenient to maintain the components in the indoor return air duct 110. In addition, after the first inspection door 161 is opened, the air entering the first heat exchange flow channel 210 will not be reduced, which is conducive to the stable operation of the indirect evaporative cooling unit 7.

[0137] In some possible embodiments, the outer wall of the chassis 100 has a second door opening connecting the first chamber 141 with the outside of the chassis 100, and a second inspection door 162 is provided at the second door opening. The second inspection door 162 has an openable and closable cover connected to the chassis 100, and the second inspection door 162 is used to cover the second door opening.

[0138] In this way, it is convenient to maintain the components installed in the first chamber 141. In addition, the outer side of the second inspection door 162 is in a normal pressure environment. When the indirect evaporative cooling unit 7 is running, the pressure difference on both sides of the second inspection door 162 is small, and the second inspection door 162 is easy to open and close, which is convenient for entering the first chamber 141 to maintain the components when the indirect evaporative cooling unit 7 is running.

[0139] In some possible implementations, the condenser 520 is located between the first fan unit 300 and the heat exchanger 200. The first chamber 141 includes a first sub-chamber 1411 formed between the condenser 520 and the first fan unit 300 and a second sub-chamber 1412 formed between the condenser 520 and the heat exchanger 200, and the second door opening is connected to the first sub-chamber 1411. The outer wall of the chassis 100 has a third door opening connecting the second sub-chamber 1412 and the outside of the chassis 100, and a third inspection door 163 is provided at the third door opening. The third inspection door 163 has an openable cover connected to the chassis 100, and the third inspection door 163 is used to cover the third door opening.

[0140] In this way, it is convenient to maintain the components installed in the first sub-chamber 1411 and the second sub-chamber 1412. In addition, the outer side of the third inspection door 163 is in a normal pressure environment. When the indirect evaporative cooling unit 7 is in operation, the pressure difference on both sides of the third inspection door 163 is small, and the third inspection door 163 is easy to open and close, which is convenient for entering the second sub-chamber 1412 to maintain the components when the indirect evaporative cooling unit 7 is in operation.

[0141] In some possible embodiments, the outer wall of the chassis 100 has a fourth door opening connecting the second chamber 121 with the outside of the chassis 100, and a fourth inspection door 164 is provided at the fourth door opening. The fourth inspection door 164 has an openable and closable cover connected to the chassis 100, and the fourth inspection door 164 is used to cover the fourth door opening.

[0142] In this way, it is convenient to maintain the components installed in the second chamber 121. In addition, the outer side of the fourth inspection door 164 is in a normal pressure environment. When the indirect evaporative cooling unit 7 is running, the pressure difference on both sides of the fourth inspection door 164 is small, and the fourth inspection door 164 is easy to open and close, which is convenient for entering the second chamber 121 to maintain the components when the indirect evaporative cooling unit 7 is running.

[0143] In some possible embodiments, the indirect evaporative cooling unit 7 also includes a spray system 700 and a water supply system. The spray system 700 is arranged at the inlet end of the second heat exchange channel 220. The water supply system is connected to the spray system 700 through a pipeline. The water supply system is used to supply water to the spray system 700, and the spray system 700 is used to spray toward the second heat exchange channel 220.

[0144] In this way, the air flowing into the second heat exchange flow channel 220 from the outdoor air inlet duct 130 can be sprayed into wet and cold air, which is beneficial to improving the cooling efficiency of the indoor return air.

[0145] In some possible implementations, the indirect evaporative cooling unit 7 further includes a water receiving tray 610 . The water receiving tray 610 is disposed below the outlet end of the second heat exchange channel 220 .

[0146] In this way, the water receiving tray 610 can collect the liquid medium flowing out from the outlet end of the second heat exchange channel 220, and it is less likely to cause problems such as personal injury or equipment damage due to the random flow of the liquid medium flowing out from the outlet end of the second heat exchange channel 220.

[0147] Exemplarily, at least a portion of the water receiving tray 610 is disposed in the outdoor air outlet duct 140 .

[0148] In some possible implementations, the indirect evaporative cooling unit 7 further includes a water baffle 620. The water baffle 620 is disposed above the water receiving tray 610, and is used to baffle the liquid medium flowing out of the outlet end of the second heat exchange flow channel 220 toward the water receiving tray 610, so as to prevent the liquid medium flowing out of the outlet end of the second heat exchange flow channel 220 from flowing toward the outlet end of the outdoor air outlet duct 140.

[0149] In this way, the liquid medium flowing out of the outlet end of the second heat exchange flow channel 220 is not easy to flow to the area between the water baffle 620 and the outlet end of the outdoor air outlet duct 140, and is not easy to affect the devices arranged in the area between the water baffle 620 and the outlet end of the outdoor air outlet duct 140, and is not easy to cause the liquid medium flowing out of the outlet end of the second heat exchange flow channel 220 to contact the devices arranged in the area between the water baffle 620 and the outlet end of the outdoor air outlet duct 140, causing damage to the devices, which can make the reliability of the indirect evaporative cooling unit 7 higher. In addition, the liquid medium flowing out of the outlet end of the second heat exchange flow channel 220 is not easy to flow to the area between the water baffle 620 and the outlet end of the outdoor air outlet duct 140, which is also conducive to the operator to maintain the devices in this area.

[0150] Exemplarily, the water baffle 620 is disposed in the outdoor air outlet duct 140 .

[0151] For example, the heat exchanger 200 is tilted, the lower side of the outlet end of the second heat exchange channel 220 is connected to the water receiving tray 610, and the upper side of the outlet end of the second heat exchange channel 220 is connected to the upper side of the water retaining plate 620. In this way, the liquid medium flowing out of the outlet end of the second heat exchange channel 220 is not easy to flow out of the water receiving tray 610.

[0152] In some examples, the water baffle 620 has an air passage, which connects the two sides of the water baffle 620, and the air passage is used to allow the gaseous medium flowing out from the outlet end of the second heat exchange flow channel 220 to flow through the water baffle 620 to flow to the outlet end of the outdoor air outlet duct 140. The air inlet of the air passage is located below the air outlet of the air passage.

[0153] In this way, the liquid medium cannot pass through the air passage due to its own gravity. The water baffle 620 can block the liquid medium while allowing the gaseous medium to pass through. The water baffle 620 has little effect on the flow of the gaseous medium between the outlet end of the second heat exchange channel 220 and the outlet end of the outdoor air outlet duct 140. Therefore, a larger water baffle 620 can be arranged to achieve a better blocking effect on the liquid medium flowing out of the outlet end of the second heat exchange channel 220.

[0154] Exemplarily, the lower side of the water baffle 620 is connected to the water receiving tray 610 .

[0155] Exemplarily, the edge of the water baffle plate 620 may be connected to the air duct wall of the outdoor air outlet duct 140 , and there may be no gap between the edge of the water baffle plate 620 and the air duct wall of the outdoor air outlet duct 140 .

[0156] In other examples, the water baffle 620 may be a solid plate, and there is a space between the water baffle 620 and the duct wall of the outdoor air outlet duct 140 for the gaseous medium flowing out of the outlet end of the second heat exchange flow channel 220 to flow to the outlet end of the outdoor air outlet duct 140 .

[0157] In some possible implementations, the compressor 530 is disposed in the indoor air supply duct 120 .

[0158] In this way, the distance between the compressor 530 and the evaporator 510 is shorter, so that the pipeline connecting the compressor 530 and the evaporator 510 can be shorter, which is convenient for installation and saves pipeline costs. In addition, the compressor 530 is arranged in the indoor air supply duct 120, and the environment in the indoor air supply duct 120 will not change with the change of the outdoor environment. The environment where the compressor 530 is located is relatively stable, which is conducive to extending the service life of the compressor 530 and improving the reliability of the operation of the compressor 530.

[0159] In some possible implementations, the water supply system is disposed in the indoor air supply duct 120 .

[0160] In this way, the distance between the water supply system and the sprinkler system 700 is shorter, so the pipe connecting the water supply system and the sprinkler system 700 can be shorter, which is convenient for installation and saves pipe costs. In addition, the water supply system is arranged in the indoor air supply duct 120, and the environment in the indoor air supply duct 120 will not change with the change of the outdoor environment. The environment in which the water supply system is located is relatively stable, which is conducive to extending the service life of the water supply system and improving the reliability of the operation of the water supply system.

[0161] Exemplarily, the water supply system may include a liquid pump, the inlet end of which may be connected to the water receiving pan 610 through a pipeline, so that the liquid medium collected in the water receiving pan 610 may be used for spraying, thereby reducing the water consumption of the indirect evaporative cooling unit 7.

[0162] Fig.12 for Figure 4 Enlarged view of the middle G section.

[0163] like Fig.12 As shown, and see Figure 3 , Figure 4In some possible implementations, the first fan unit 300 includes a first fan module 310 and a first mounting frame 320. The first mounting frame 320 is disposed in the outdoor air outlet duct 140. A first chamber 141 is formed between the first mounting frame 320 and the heat exchanger 200. The first mounting frame 320 has a first mounting opening corresponding to the first fan module 310. The first fan module 310 is inserted into the corresponding first mounting opening. The first fan module 310 has a first mounting frame 311. The first mounting frame 311 is located in the first chamber 141. The first mounting frame 311 is detachably covered on a side of the first mounting frame 320 facing the first chamber 141. The first fan module 310 is detachably connected to the first mounting frame 320 through the first mounting frame 311.

[0164] In this way, after the first mounting frame 311 is disconnected from the first mounting frame 320, the first fan module 310 can be removed from the first mounting frame 320 in the first chamber 141, and the first fan module 310 can be disassembled and maintained in the first chamber 141. The maintenance of the first fan unit 300 does not require the removal of the air outlet duct 6, and the maintenance of the first fan unit 300 is relatively convenient.

[0165] In some examples, the first mounting frame 311 may be detachably connected to the first mounting bracket 320 by fasteners such as screws.

[0166] In other examples, the first installation frame 311 may be detachably connected to the first installation frame 320 via a snap-fit ​​structure.

[0167] In some possible implementations, a first handle 312 is provided on a side of the first installation frame 311 facing away from the first installation frame 320 .

[0168] In this way, after the first installation frame 311 is disconnected from the first installation frame 320 , the first fan module 310 can be easily pulled out from the corresponding first installation opening through the first handle 312 , which is beneficial to improving the efficiency of maintaining the first fan unit 300 .

[0169] In some possible implementations, the second fan unit 400 includes a second fan module 410 and a second mounting frame 420, the second mounting frame 420 is disposed in the indoor air supply duct 120, a second chamber 121 is formed between the second mounting frame 420 and the heat exchanger 200, the second mounting frame 420 has a second mounting opening corresponding to the second fan module 410, and the second fan module 410 is inserted into the corresponding second mounting opening. The second fan module 410 has a second mounting frame 411, the second mounting frame 411 is located in the second chamber 121, the second mounting frame 411 is detachably connected to the side of the second mounting frame 420 facing the second chamber 121, and the second fan module 410 is detachably connected to the second mounting frame 420 through the second mounting frame 411.

[0170] In this way, after the second mounting frame 411 is disconnected from the second mounting frame 420, the second fan module 410 can be removed from the second mounting frame 420 in the second chamber 121, and the second fan module 410 can be disassembled and maintained in the second chamber 121. The maintenance of the second fan unit 400 does not require the removal of the air supply duct 4, and the maintenance of the second fan unit 400 is relatively convenient.

[0171] In some examples, the second mounting frame 411 may be detachably connected to the second mounting bracket 420 by fasteners such as screws.

[0172] In other examples, the second mounting frame 411 may be detachably connected to the second mounting bracket 420 via a snap-fit ​​structure.

[0173] In some possible implementations, a second handle 412 is provided on a side of the second installation frame 411 facing away from the second installation bracket 420 .

[0174] In this way, after the second installation frame 411 is disconnected from the second installation frame 420 , the second fan module 410 can be easily pulled out from the corresponding second installation opening through the second handle 412 , which is beneficial to improving the efficiency of maintaining the second fan unit 400 .

[0175] The indirect evaporative cooling unit 7 further includes an electric control box 900 , which is disposed on the outer wall of the chassis 100 .

[0176] In some examples, the electric control box 900 may be disposed on one side of the chassis 100 in the length direction, and the electric control box 900 may be located on the same side of the chassis 100 as the outlet end of the outdoor air outlet duct 140 .

[0177] In other examples, the electric control box 900 may be disposed on one side of the chassis 100 in the width direction.

[0178] In some examples, the top side of the chassis 100 may have an outlet end of the outdoor air outlet duct 140 .

[0179] In some examples, the bottom side of the chassis 100 may have an outlet end of the outdoor air outlet duct 140 .

[0180] In some examples, one side in the length direction of the chassis 100 may have an outlet end of the outdoor air outlet duct 140 .

[0181] In some examples, the outdoor air outlet duct 140 may have one or more outlet ends.

[0182] In some examples, the outlet end of the outdoor air outlet duct 140 may be located on one side of the chassis 100 in the length direction and at the upper portion of the chassis 100 , and the first fan unit 300 is disposed at the outlet end of the outdoor air outlet duct 140 .

[0183] In other examples, the outlet end of the outdoor air outlet duct 140 may be located on one side of the chassis 100 in the length direction and at the lower portion of the chassis 100 , and the first fan unit 300 is disposed at the outlet end of the outdoor air outlet duct 140 .

[0184] In some other examples, the outdoor air outlet duct 140 may include two outlet ends respectively located on one side of the chassis 100 in the height direction and one side of the chassis 100 in the length direction, and the first fan unit 300 is disposed at both outlet ends of the outdoor air outlet duct 140 .

[0185] In some other examples, the first fan unit 300 is located between the condenser 520 and the heat exchanger 200. The outdoor air outlet duct 140 further includes a third chamber 142 formed between the condenser 520 and the first fan unit 300. The condenser 520 may be disposed at an outlet end of the outdoor air outlet duct 140.

[0186] Exemplarily, the outer wall of the chassis 100 has a fifth door opening connecting the third chamber with the outside of the chassis 100, a fifth inspection door is provided at the fifth door opening, an openable cover of the fifth inspection door is connected to the chassis 100, and the fifth inspection door is used to cover the fifth door opening.

[0187] In some examples, a plurality of first air units 300 may be provided in the outdoor air outlet duct 140 and spaced apart along the flow direction of air in the outdoor air outlet duct 140 .

[0188] In some examples, the top side of the chassis 100 may have an inlet end of the outdoor air intake duct 130 .

[0189] In some examples, one side in the length direction of the chassis 100 may have an inlet end of the outdoor air inlet duct 130 .

[0190] In some examples, the outdoor air inlet duct 130 may have one or more outlet ends.

[0191] In some examples, the bottom side of the chassis 100 may have an outlet end of the indoor air supply duct 120 .

[0192] In some examples, one side in the length direction of the chassis 100 may have an inlet end of the indoor air supply duct 120 .

[0193] In some examples, the indoor air supply duct 120 may have one or more outlet ends.

[0194] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An indirect evaporative cooling unit, characterized in that: Includes chassis and heat exchanger; The chassis comprises a chassis body, and the heat exchanger is arranged in the chassis body; A first supporting assembly is fixedly arranged in the box body, and the first supporting assembly is used to support the heat exchanger, and the heat exchanger is detachably connected to the box body; At least one side of the box body in the width direction has a maintenance port for the heat exchanger to enter and exit the box body, and the chassis also includes a cover plate provided at the maintenance port, the cover plate is detachably connected to the box body, and the cover plate is used to cover the maintenance port; The first support assembly has first slideways with both ends extending along the width direction of the box body, the heat exchanger slidably cooperates with the first support assembly through the first slideway, and the maintenance port is used for the heat exchanger to slide out of the box body along the first slideway.

2. The indirect evaporative cooling unit according to claim 1, characterized in that: The heat exchanger is arranged obliquely in the box body; The heat exchanger has a first edge, a second edge and a third edge, the first edge is located at the lower end of the heat exchanger, and the second edge and the third edge are respectively located at both ends of the heat exchanger in the length direction of the box body; The first support assembly includes a first support beam, a second support beam and a third support beam, both ends of the first support beam, the second support beam and the third support beam extend along the width direction of the box body, and the first support beam, the second support beam and the third support beam are fixedly connected to the box body; The upper surface of the third supporting crossbeam has the first slideway, and the first edge is inserted into the first slideway and slidably cooperates with the first slideway; The side surface of the heat exchanger located below the second edge and adjacent to the second edge is overlapped on the first supporting beam and slidably matched with the first supporting beam; The adjacent side surface of the heat exchanger below the third edge is overlapped on the second supporting beam and slidably matched with the second supporting beam.

3. The indirect evaporative cooling unit according to claim 2, characterized in that: The first slideway has a first supporting wall and a second supporting wall; The first support wall and the second support wall are both inclined, the lower ends of the first support wall and the second support wall intersect, the first edge is located between the first support wall and the second support wall, and the first support wall and the second support wall are respectively used to support the side surfaces of the heat exchanger located on both sides of the first edge adjacent to the length direction of the box body.

4. The indirect evaporative cooling unit according to claim 2, characterized in that: The heat exchanger is fixedly provided with a support member at the second edge, the support member is overlapped on the upper surface of the first support beam, the support member is in surface contact with the upper surface of the first support beam, and the support member and the first support beam are slidably matched.

5. The indirect evaporative cooling unit according to claim 4, characterized in that: The first supporting beam includes a boss structure, which is located on a side of the support member away from the heat exchanger in the length direction of the box body, and is used to limit the support member from moving along the length direction of the box body toward the heat exchanger toward the boss structure.

6. The indirect evaporative cooling unit according to any one of claims 1 to 5, characterized in that: The chassis further comprises a reinforcing structure arranged at the maintenance port, the reinforcing structure is detachably connected to the chassis body, and the cover plate is detachably connected to the reinforcing structure.

7. The indirect evaporative cooling unit according to any one of claims 1 to 5, characterized in that: Also included is an evaporator, the evaporator being disposed in the box body; A second supporting assembly is fixedly arranged in the box body, and the second supporting assembly is used to support the evaporator, and the evaporator is detachably connected to the box body; The maintenance port is also used for allowing the evaporator to enter and exit the box body.

8. The indirect evaporative cooling unit according to claim 7, characterized in that: The second support assembly has second slides with both ends extending along the width direction of the box body, the evaporator slidably cooperates with the second support assembly through the second slides, and the maintenance port is used for the evaporator to slide out of the box body along the second slides.

9. The indirect evaporative cooling unit according to claim 8, characterized in that: The evaporator is tilted in the box body, and the evaporator has a fourth edge, and the fourth edge is located at the lower end of the evaporator; The second support assembly includes a fourth support beam and a fifth support beam, both ends of the fourth support beam and the fifth support beam extend along the width direction of the box body, and the fourth support beam and the fifth support beam are fixedly connected to the box body; The upper surface of the fifth supporting beam has the second slideway, and the fourth edge is inserted into the second slideway and slidably cooperates with the second slideway; The upper end of the evaporator is overlapped on the fourth supporting beam and slidably matched with the fourth supporting beam.

10. The indirect evaporative cooling unit according to claim 9, characterized in that: The second slideway has a third supporting wall and a fourth supporting wall; The third support wall and the fourth support wall are both inclined, the lower ends of the third support wall and the fourth support wall intersect, the fourth edge is located between the third support wall and the fourth support wall, and the third support wall and the fourth support wall are respectively used to support the side surfaces of the evaporator located on both sides of the fourth edge in the length direction of the box body; The dimension of the third support wall in the length direction of the box body is greater than the dimension of the fourth support wall in the length direction of the box body, and the dimension of the third support wall in the height direction of the box body is greater than the dimension of the fourth support wall in the height direction of the box body.

11. The indirect evaporative cooling unit according to any one of claims 1 to 5, characterized in that: The heat exchanger has a first heat exchange channel; The chassis is provided with an indoor return air duct, and the outlet end of the indoor return air duct is connected to the inlet end of the first heat exchange flow channel; The outer wall of the chassis has a first door opening connecting the indoor return air duct and the outside of the chassis. A first inspection door is provided at the first door opening. The first inspection door has an openable cover connected to the chassis. The first inspection door is used to cover the first door opening.

12. The indirect evaporative cooling unit according to claim 11, characterized in that: Also includes a first wind turbine unit; The heat exchanger further comprises a second heat exchange channel, and the chassis further comprises an outdoor air outlet channel, wherein the inlet end of the outdoor air outlet channel is connected to the outlet end of the second heat exchange channel; The first fan unit is disposed in the outdoor air outlet duct, and the outdoor air outlet duct includes a first chamber formed between the first fan unit and the heat exchanger; The outer wall of the chassis has a second door opening connecting the first chamber with the outside of the chassis, a second inspection door is provided at the second door opening, an openable cover of the second inspection door is connected to the chassis, and the second inspection door is used to cover the second door opening.

13. The indirect evaporative cooling unit according to claim 12, characterized in that: It also includes a condenser, which is arranged in the outdoor air outlet duct and is located between the first fan unit and the heat exchanger; The first chamber includes a first sub-chamber formed between the condenser and the first fan unit and a second sub-chamber formed between the condenser and the heat exchanger, and the second door opening is connected to the first sub-chamber; The outer wall of the chassis has a third door opening connecting the second sub-chamber and the outside of the chassis, and a third inspection door is provided at the third door opening. The third inspection door has an openable and closable cover connected to the chassis, and the third inspection door is used to cover the third door opening.

14. The indirect evaporative cooling unit according to any one of claims 1 to 5, characterized in that: Also includes a second wind unit; The chassis is provided with an indoor air supply duct, and the inlet end of the indoor air supply duct is connected to the outlet end of the first heat exchange flow channel of the heat exchanger; The second fan unit is disposed in the indoor air supply duct, and the indoor air supply duct includes a second chamber formed between the second fan unit and the heat exchanger; The outer wall of the chassis has a fourth door opening connecting the second chamber with the outside of the chassis, a fourth inspection door is provided at the fourth door opening, an openable cover of the fourth inspection door is connected to the chassis, and the fourth inspection door is used to cover the fourth door opening.

15. The indirect evaporative cooling unit according to any one of claims 1 to 5, characterized in that: Also includes a water baffle and a water tray; The water receiving pan is arranged below the outlet end of the second heat exchange flow channel of the heat exchanger, and the water baffle is arranged above the water receiving pan. The water baffle is used to block the liquid medium flowing out of the outlet end of the second heat exchange flow channel toward the water receiving pan.

16. The indirect evaporative cooling unit according to claim 15, characterized in that: The water baffle has a gas passage, the gas passage connects two sides of the water baffle, and the gas passage is used to allow the gaseous medium flowing out from the outlet end of the second heat exchange flow channel to flow through the water baffle; Wherein, the air inlet of the air passage is located below the air outlet of the air passage.

17. The indirect evaporative cooling unit according to any one of claims 1 to 5, characterized in that: It also includes a compressor, which is connected to the evaporator of the indirect evaporative cooling unit. The compressor and the evaporator are both arranged in the indoor air supply duct of the chassis.

18. The indirect evaporative cooling unit according to any one of claims 1 to 5, characterized in that: It also includes a spray system and a water supply system. The spray system is arranged at the inlet end of the second heat exchange flow channel of the heat exchanger, and the water supply system is arranged in the indoor air supply duct of the chassis. The water supply system is connected to the spray system through a pipeline, and the water supply system is used to supply water to the spray system.

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