Heat exchange device and air conditioner

Abstract

The application provides a heat exchange device and an air conditioner, comprising: a first heat exchanger group and a second heat exchanger group, the first heat exchanger group and the second heat exchanger group are arranged in sequence in a first direction; the first heat exchanger group and the second heat exchanger group are arranged in sequence in a second direction, and in the second direction, parts of the first heat exchanger group and parts of the second heat exchanger group are arranged in a corresponding position; wherein the first direction and the second direction are perpendicular to each other; the first heat exchanger group comprises at least one first heat exchanger, and the second heat exchanger group comprises at least one second heat exchanger. According to the heat exchange device and the air conditioner, as large heat exchangers as possible can be arranged in as small space as possible.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of air conditioners, and particularly relates to a heat exchange device and an air conditioner. BACKGROUND

[0002] At present, a roof machine needs to be transported over a long distance after production to reach the market for sale. Since the roof machine is a whole machine and has a large volume, the transportation has been a problem for the roof machine. Reducing the volume of the roof machine can effectively reduce the transportation cost.

[0003] However, in the prior art, the volume of the roof machine is positively correlated with the size of the heat exchanger. Reducing the volume of the roof machine will simultaneously reduce the heat exchanger, and thus it is difficult to meet the capacity and energy efficiency requirements at the sales location. Therefore, how to arrange a large heat exchanger in a small space as much as possible is a high requirement for the design.

[0004] Therefore, how to provide a heat exchange device and an air conditioner capable of arranging a large heat exchanger in a small space as much as possible has become a problem to be solved by those skilled in the art. SUMMARY

[0005] Therefore, the technical problem to be solved by the present application is to provide a heat exchange device and an air conditioner capable of arranging a large heat exchanger in a small space as much as possible.

[0006] In order to solve the above problems, the present application provides a heat exchange device, comprising: a first heat exchanger group and a second heat exchanger group, the first heat exchanger group and the second heat exchanger group are arranged in sequence in a first direction; the first heat exchanger group and the second heat exchanger group are arranged in sequence in a second direction, and in the second direction, parts of the first heat exchanger group and parts of the second heat exchanger group are arranged in a corresponding position; wherein the first direction and the second direction are perpendicular to each other; the first heat exchanger group comprises at least one first heat exchanger, and the second heat exchanger group comprises at least one second heat exchanger.

[0007] Further, the number of the first heat exchanger groups is set to two; the two first heat exchanger groups are respectively located on both sides of the second heat exchanger group.

[0008] Further, the heat exchange device comprises a partition structure and a shell, the partition structure is arranged in the shell to divide the shell into a first heat exchange space and a second heat exchange space; the first heat exchanger group is arranged in the first heat exchange space; and the second heat exchanger group is arranged in the second heat exchange space.

[0009] Further, the first heat exchange space and the second heat exchange space are arranged in sequence in the second direction; the partition structure has a protruding portion, the protruding portion protrudes from the second heat exchange space to the first heat exchange space; the protruding portion forms a recessed area in the second heat exchange space, and the second heat exchanger group is arranged in the recessed area; the protruding portion forms a protruding area in the first heat exchange space, and the first heat exchanger group extends around the circumferential direction of the protruding area; the protruding area is arranged corresponding to the position of part of the first heat exchanger group in the second direction, so that part of the first heat exchanger group is arranged corresponding to part of the second heat exchanger group.

[0010] Further, the partition structure further comprises a side partition portion, the side partition portion is detachably connected with the protruding portion; the side partition portion and the protruding portion are arranged in sequence in the second direction.

[0011] Further, the motor support is arranged on the protruding portion, and the motor support is located in the first heat exchange space.

[0012] Further, an inspection opening is arranged on the protruding portion; the inspection opening is communicated with the recessed area; an inspection door is arranged at the inspection opening.

[0013] Further, the partition structure is provided with a wire passing structure and / or a wire fixing structure.

[0014] Further, the partition structure comprises a partition plate and a partition shell, the partition plate is provided with a mounting opening, the partition shell has an opening, the size and shape of the opening are matched with the size and shape of the mounting opening, the partition shell is mounted at the mounting opening through the opening, and the partition shell forms the protruding portion; the partition shell is located in the first heat exchange space to form the protruding area, and the recessed area is formed in the interior of the partition shell.

[0015] Further, the gas flows in the first direction, and the second heat exchanger group divides the recessed area into an air inlet area and an air outlet area arranged in sequence in the flow direction of the gas; the cross-sectional area of the air inlet area gradually increases in the flow direction of the gas; the cross-sectional area of the air outlet area gradually decreases in the flow direction of the gas.

[0016] Further, the second heat exchange space comprises a body area and a recessed area which are communicated with each other; the body area comprises a strip-shaped area extending in the first direction; the recessed area has oppositely arranged first and second surfaces; the first surface, the second heat exchanger group and the second surface are arranged in sequence in the flow direction of the gas, and the first surface and the body area have an included angle A; the second surface and the body area have an included angle B.

[0017] Further, A=30°-90°; and / or, B=30°-90°.

[0018] Further, in the second direction, the height of the convex region is L1; in the first direction, the minimum distance between the first surface and the second heat exchanger group is L2; in the first direction, the minimum distance between the second surface and the second heat exchanger group is L3; wherein L1>0; and / or, L2 / L1≥0.1; L3 / L1≥0.25; and / or, the convex region has a distance from the first heat exchanger group.

[0019] Further, the shell is provided with a first air inlet; the first air inlet is in communication with the second heat exchange space and forms a first air duct, and the first air duct is provided with a return air fan.

[0020] Further, the shell is provided with a second air inlet; the second air inlet is in communication with the first heat exchange space and forms a second air duct, and the second air duct is provided with a flow guide structure, which can guide outdoor air into the second air duct and then blow it into the room.

[0021] According to still another aspect of the present application, an air conditioner is provided, comprising the heat exchange device.

[0022] The present application provides a heat exchange device, a compressor and an air conditioner. The present application can arrange a larger heat exchanger in a smaller space. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A structural schematic diagram of the heat exchange device in some embodiments of the present application is shown;

[0024] Figure 2 A structural schematic diagram of the heat exchange device in some embodiments of the present application is shown;

[0025] Figure 3 A structural schematic diagram of the separation structure in some embodiments of the present application is shown;

[0026] Figure 4 A structural schematic diagram of the heat exchange device in some embodiments of the present application is shown;

[0027] Figure 5 A structural schematic diagram of the heat exchange device in some embodiments of the present application is shown;

[0028] Figure 6 A structural schematic diagram of the heat exchange device in some embodiments of the present application is shown;

[0029] Figure 7 A structural schematic diagram of the heat exchange device in some embodiments of the present application is shown;

[0030] Figure 8 A structural schematic diagram of the heat exchange device in some embodiments of the present application is shown;

[0031] Figure 9Structure diagram of a partition structure in some other embodiments of the present application;

[0032] Figure 10 Structure diagram of a mounting structure of a partition structure in some other embodiments of the present application.

[0033] 1, housing; 11, first heat exchange space; 12, second heat exchange space; 13, first air outlet; 14, air outlet area; 15, return air area; 2, first heat exchanger group; 3, second heat exchanger group; 4, partition structure; 41, partition plate; 42, protruding part; 421, side plate; 422, top plate; 423, access hole; 424, access partition; 43, side partition; 441, wire passing structure; 442, wire fixing structure; 5, flow guide structure; 51, flow guide ring; 52, fan blade; 6, return air fan; 7, electrical component; 71, component pipeline; 8, electrical box assembly; 91, inner motor; 92, centrifugal fan; 93, outer motor support. DETAILED DESCRIPTION

[0034] In conjunction with Figures 1-10 As shown in the drawings, a heat exchange device includes: a first heat exchanger group 2 and a second heat exchanger group 3, the first heat exchanger group 2 and the second heat exchanger group 3 are arranged in sequence in a first direction; the first heat exchanger group 2 and the second heat exchanger group 3 are arranged in sequence in a second direction, and in the second direction, parts of the first heat exchanger group 2 and parts of the second heat exchanger group 3 are arranged in a corresponding position; wherein the first direction and the second direction are perpendicular to each other; the first heat exchanger group 2 includes at least one first heat exchanger, and the second heat exchanger group 3 includes at least one second heat exchanger. That is, in the present application, the first heat exchanger group 2 and the second heat exchanger group 3 partially overlap, for example, the first heat exchanger group 2 and the second heat exchanger group 3 are arranged in sequence in the height direction, and both have parts in the same height range.

[0035] In some embodiments, the first direction is a horizontal direction, and the second direction is a vertical direction. That is, in the present application, the first heat exchanger group 2 and the second heat exchanger group 3 are arranged in sequence in the horizontal direction, and both are arranged in sequence in the vertical direction, the first heat exchanger group 2 and the second heat exchanger group 3 are spaced apart in the horizontal direction, and the first heat exchanger group 2 and the second heat exchanger group 3 are partially located in the same height range in the vertical direction. This can greatly improve the space utilization; arrange as large a heat exchanger as possible in as small a space as possible. The present application can increase the size of the heat exchanger, i.e., the first heat exchanger group 2 and the second heat exchanger group 3, improve performance, and improve the space utilization of the heat exchange device; at the same time, it can also control the size of the air conditioner, increase the cabinet volume, and reduce transportation costs.

[0036] In some other embodiments, the first direction and the second direction are both horizontal directions, and the first direction and the second direction are perpendicular to each other.

[0037] In other embodiments, the first direction can also be an inclined direction inclined to the horizontal direction, and the second direction is perpendicular to the first direction.

[0038] In summary, in the present application, the heat exchange device can be placed vertically, horizontally or obliquely.

[0039] The present application also discloses some embodiments, wherein the number of the first heat exchanger groups 2 is two; and the two first heat exchanger groups 2 are respectively located on the two sides of the second heat exchanger group 3.

[0040] The two first heat exchanger groups 2 can be straight plate heat exchangers or curved heat exchangers; when the two first heat exchanger groups 2 are curved heat exchangers, the two first heat exchanger groups 2 are oppositely arranged, i.e., the curved directions are oppositely arranged.

[0041] The present application also discloses some embodiments, wherein the heat exchange device comprises a separation structure 4 and a shell 1, the separation structure 4 is arranged in the shell 1 to separate the shell 1 into a first heat exchange space 11 and a second heat exchange space 12; the first heat exchanger group 2 is arranged in the first heat exchange space 11; and the second heat exchanger group 3 is arranged in the second heat exchange space 12. The separation structure 4 has a space structure to make the second heat exchange space 12 and the first heat exchange space 11 have a part of positions corresponding to each other in the second direction; and further make the part of the first heat exchanger group 2 and the part of the second heat exchanger group 3 correspond to each other in the second direction. The first heat exchange space 11 is an outdoor cavity, and the second heat exchange space 12 is an indoor cavity. The indoor cavity needs to be sealed to ensure that the rainwater in and outside the outdoor cavity cannot enter. That is, when the two first heat exchanger groups 2 are curved heat exchangers, the indoor cavity is formed by the two first heat exchanger groups 2. The indoor cavity is designed to have an air outlet area 14 and an air return area 15.

[0042] The application further discloses some embodiments, the first heat exchange space 11 and the second heat exchange space 12 are arranged in sequence in the second direction; the partition structure 4 has a protruding part 42, the protruding part 42 protrudes from the second heat exchange space 12 to the first heat exchange space 11; the protruding part 42 forms a recessed area in the second heat exchange space 12, and the second heat exchanger group 3 is arranged in the recessed area; the protruding part 42 forms a protruding area in the first heat exchange space 11, and the first heat exchanger group 2 extends around the circumference of the protruding area; the protruding area is arranged in correspondence with the position of the part of the first heat exchanger group 2 in the second direction, so that the part of the first heat exchanger group 2 is arranged in correspondence with the part of the second heat exchanger group 3. In this way, the protruding part 42 of the second heat exchange space 12 can be extended into the first heat exchange space 11 while ensuring that the first heat exchange space 11 is closed, so that the length of the second heat exchange space 12 in the second direction is increased; when the second direction is the height direction, the first heat exchange space 11 is located above the second heat exchange space 12, and the first heat exchange space 11 and the second heat exchange space 12 are separated by the partition structure 4; the protruding part 42 of the second heat exchange space 12 is extended into the first heat exchange space 11 above while ensuring that the first heat exchange space 11 is closed, so that the height of the second heat exchange space 12 is increased. In this way, the volume of the first heat exchange space 11 can be reduced without reducing the volume of the first heat exchanger group 2; meanwhile, the volume of the second heat exchange space 12 is increased, so that the second heat exchanger can be increased. That is, the protruding part 42 of the partition structure 4 can make the first heat exchanger group 2 and the second heat exchanger group 3 be respectively closed in the first heat exchange space 11 and the second heat exchange space 12 which are independent of each other. Finally, the first heat exchanger group 2 and the second heat exchanger group 3 are partially overlapped in the horizontal height, and the height of the first heat exchanger group 2 is increased without increasing the height of the whole machine. The protruding part 42 can make full use of the blank area in the middle of the outdoor cavity. The area of the second heat exchanger group 3 can be increased without changing the overall size.

[0043] Various components and pipelines between the components are arranged in the outdoor cavity, the components are arranged on the left and right sides of the protruding part 42, and an outdoor fan support component is arranged above the outdoor cavity.

[0044] The application further discloses some embodiments of the partition structure 4, which further comprises side partition portions 43, the side partition portions 43 are detachably connected with the protruding portions 42, and the side partition portions 43 and the protruding portions 42 are arranged in sequence in the second direction. The number of the side partition portions 43 is two, the two side partition portions 43 are arranged on the two sides of the protruding portions 42 respectively, and the side partition portions 43 and the protruding portions 42 can be fixed by screws; the side partition portions 43 and the protruding portions 42 can also be connected by buckles or can be connected by concave-convex structures. The size and structure of the side partition portions 43 are various, the protruding portions 42 are detachably connected with one of the side partition portions 43, so that the two first heat exchanger groups 2 are arranged close to the air outlet and the air return port; for example, when the area of the first heat exchanger group 2 is increased, the structure and installation layout of the partition plate assembly 1 and the partition plate assembly 3 can be adjusted, so that the two first heat exchanger groups 2 are arranged close to the air outlet and the air return port. In this way, the blank areas on the two sides of the overall layout are fully utilized, so that the area of the first heat exchanger group 2 is increased without increasing the overall size; and one first heat exchanger group 2, i.e. two first heat exchanger groups 2 in total, can be added.

[0045] The application further discloses some embodiments of the partition structure 4, which further comprises side partition portions 43, the side partition portions 43 are detachably connected with the protruding portions 42, and the side partition portions 43 and the protruding portions 42 are arranged in sequence in the second direction. The number of the side partition portions 43 is two, the two side partition portions 43 are arranged on the two sides of the protruding portions 42 respectively, and the side partition portions 43 and the protruding portions 42 can be fixed by screws; the side partition portions 43 and the protruding portions 42 can also be connected by buckles or can be connected by concave-convex structures. The size and structure of the side partition portions 43 are various, the protruding portions 42 are detachably connected with one of the side partition portions 43, so that the two first heat exchanger groups 2 are arranged close to the air outlet and the air return port; for example, when the area of the first heat exchanger group 2 is increased, the structure and installation layout of the partition plate assembly 1 and the partition plate assembly 3 can be adjusted, so that the two first heat exchanger groups 2 are arranged close to the air outlet and the air return port. In this way, the blank areas on the two sides of the overall layout are fully utilized, so that the area of the first heat exchanger group 2 is increased without increasing the overall size; and one first heat exchanger group 2, i.e. two first heat exchanger groups 2 in total, can be added.

[0046] The application further discloses some embodiments of the partition structure 4, which further comprises side partition portions 43, the side partition portions 43 are detachably connected with the protruding portions 42, and the side partition portions 43 and the protruding portions 42 are arranged in sequence in the second direction. The number of the side partition portions 43 is two, the two side partition portions 43 are arranged on the two sides of the protruding portions 42 respectively, and the side partition portions 43 and the protruding portions 42 can be fixed by screws; the side partition portions 43 and the protruding portions 42 can also be connected by buckles or can be connected by concave-convex structures. The size and structure of the side partition portions 43 are various, the protruding portions 42 are detachably connected with one of the side partition portions 43, so that the two first heat exchanger groups 2 are arranged close to the air outlet and the air return port; for example, when the area of the first heat exchanger group 2 is increased, the structure and installation layout of the partition plate assembly 1 and the partition plate assembly 3 can be adjusted, so that the two first heat exchanger groups 2 are arranged close to the air outlet and the air return port. In this way, the blank areas on the two sides of the overall layout are fully utilized, so that the area of the first heat exchanger group 2 is increased without increasing the overall size; and one first heat exchanger group 2, i.e. two first heat exchanger groups 2 in total, can be added.

[0047] The application further discloses some embodiments of the partition structure 4, which further comprises side partition portions 43, the side partition portions 43 are detachably connected with the protruding portions 42, and the side partition portions 43 and the protruding portions 42 are arranged in sequence in the second direction. The number of the side partition portions 43 is two, the two side partition portions 43 are arranged on the two sides of the protruding portions 42 respectively, and the side partition portions 43 and the protruding portions 42 can be fixed by screws; the side partition portions 43 and the protruding portions 42 can also be connected by buckles or can be connected by concave-convex structures. The size and structure of the side partition portions 43 are various, the protruding portions 42 are detachably connected with one of the side partition portions 43, so that the two first heat exchanger groups 2 are arranged close to the air outlet and the air return port; for example, when the area of the first heat exchanger group 2 is increased, the structure and installation layout of the partition plate assembly 1 and the partition plate assembly 3 can be adjusted, so that the two first heat exchanger groups 2 are arranged close to the air outlet and the air return port. In this way, the blank areas on the two sides of the overall layout are fully utilized, so that the area of the first heat exchanger group 2 is increased without increasing the overall size; and one first heat exchanger group 2, i.e. two first heat exchanger groups 2 in total, can be added.

[0048] The wire passing structure 441 includes a wire passing hole, through which the pipelines and wires of the components in the outdoor cavity can be conveniently connected to the components in the indoor cavity. Further, the wire passing structure 441 also includes a wire passing rubber ring, which is arranged in the wire passing hole and can effectively seal the wire passing hole while the wire is passing. The wire fixing structure 442 includes a wire fixing hook, which is used to fix the wire. Since the protruding part 42 of the partition structure 4 is arranged in the middle of the outdoor cavity, the components in the outdoor cavity are arranged close to the left and right sides, so that the pipelines 71 and wires of the components can be conveniently connected to the components in the indoor cavity through the wire passing rubber rings on the side partition parts 43, which facilitates the arrangement of the pipelines and wires of the components and greatly shortens the lengths of the pipelines and wires, thereby further reducing the cost. The side partition part 43 includes a first side partition part and a second side partition part. The first side partition part is provided with a wire fixing structure, and the second side partition part and the protruding part 42 are both provided with a wire fixing structure and a wire passing rubber ring. Meanwhile, the spatial layout structure optimizes the paths of the wires of the components 7 and greatly reduces the lengths of the wires arranged between the components. The space also has an electric appliance box assembly 8 and an inner motor 91 and a centrifugal fan 92.

[0049] In addition, the spatial layout structure in the present application also reserves a blank area in the middle of the outdoor cavity, which facilitates the subsequent after-sales maintenance operation in the outdoor cavity.

[0050] The present application also discloses some embodiments, in which the partition structure 4 includes a partition plate 41 and a partition shell. The partition plate 41 is provided with a mounting hole, and the partition shell has an opening, the size and shape of which are matched with those of the mounting hole. The partition shell is mounted at the mounting hole through the opening, and forms the protruding part 42. The partition shell is arranged in the first heat exchange space 11 to form a protruding area, and forms a recessed area inside.

[0051] The opening is a through hole formed on the partition plate 41, and the opening of the partition shell is installed at the through hole, so that the second heat exchanger group 3 can extend into the partition shell through the through hole. The partition shell is surrounded by the side plate 421 and the top plate 422, and the opening is opposite to the top plate 422. The side plate 421 is connected with the top plate 422, and the side plate 421 is surrounded to form an annular structure and is connected with the edge of the top plate 422. The number of side plates 421 is multiple. The side plates 421, the top plate 422, the opening and the mounting hole can be fixedly connected or detachably connected. The top plate 422 can play a sealing role. The through hole is arranged at the center position of the partition plate 41 (not the edge position, which can be the center position); that is, the partition shell of the application can be flexibly disassembled according to the selection, and the side plate 421 or the top plate 422 can be completely disassembled, so that the maintenance is very convenient. In this way, the heat exchange device of the application can be flexibly disassembled according to the selection during maintenance, and the maintenance is convenient and efficient. By designing the partition shell structure, the size of the heat exchanger of the heat exchange device can be increased, the performance can be improved, and the space utilization rate can be improved; at the same time, the size of the heat exchange device can be controlled, the cabinet loading capacity can be improved, the transportation cost can be reduced, and the cost advantage can be obtained in the same level of roof machine. At the same time, this yielding structure can also improve the wind field and is very convenient to disassemble. The partition structure 4 of the application is simple to manufacture, convenient to assemble, and good in sealing performance.

[0052] The shell 1 can be divided into an upper shell 1 and a lower shell 1. The upper shell 1 is detachably connected with the partition structure 4, and the partition plate 41 of the partition structure 4 is detachably connected with the partition shell. The side plates 421 of the partition shell are detachably connected with each other, and each side plate 421 is detachably connected with the top plate 422. The upper shell 1 and the partition structure 4 form a first heat exchange space 11. The inside of the lower shell 1 is a second heat exchange space 12. The first heat exchanger group 2 is arranged in the second heat exchange space 12. The first air inlet 13 is arranged on the lower shell 1, and the return air fan 6 is arranged in the lower shell 1. The flow guide structure 5 is arranged in the first heat exchange space 11. When maintenance is needed, the partition structure 4 can be disassembled as a whole. The upper shell 1 and the lower shell 1 can also be disassembled. The top plate 422 can be opened to disassemble the partition shell. According to different requirements, maintenance personnel can selectively disassemble the parts, which is very convenient and efficient. The top plate 422 can be a separate part or can be integrated with the side plate 421 of the partition structure 4.

[0053] In some embodiments of the application, the gas flows in the first direction, and the second heat exchanger group 3 divides the recessed area into an air inlet area and an air outlet area arranged in sequence in the flow direction of the gas. The cross-sectional area of the air inlet area in the flow direction of the gas gradually increases. The cross-sectional area of the air outlet area 14 in the flow direction of the gas gradually decreases. The wind field can not be hindered, and the wind field is uniform. The heat exchange of the first heat exchanger group 2 and the second heat exchanger group 3 is improved. The first heat exchanger group 2 and the second heat exchanger group 3 can fully exert their performance.

[0054] The first heat exchanger group 2 is located in the first heat exchange space 11; the second heat exchanger group 3 is located in the second heat exchange space 12 and is inserted into the partition shell, the first heat exchanger group 2 is arranged on the partition structure 4 and surrounds the partition shell. In this way, the first heat exchanger group 2 and the second heat exchanger group 3 partially overlap in the height direction, thereby increasing the size of the heat exchanger without changing the overall size of the rooftop machine.

[0055] The number and shape of the first heat exchanger in the first heat exchanger group 2 can be changed. The first heat exchanger can also be one piece, which surrounds the partition structure 4 on three sides. The number of first heat exchangers in the first heat exchanger group 2 can be two or even more. The shape of the first heat exchanger can be L-shaped, U-shaped, G-shaped, etc.

[0056] The application also discloses some embodiments, wherein the second heat exchange space 12 comprises a body area and a recessed area which are in communication with each other; the body area comprises a strip-shaped area extending in a first direction; the recessed area has oppositely arranged first and second surfaces; the first surface, the second heat exchanger group 3 and the second surface are sequentially arranged in the gas flow direction, the first surface and the body area have an included angle A, and the second surface and the body area have an included angle B. In this way, the gas flow is hindered, and the wind field is improved.

[0057] The application also discloses some embodiments, wherein A = 30°-90°; and / or, B = 30°-90°. The wind field can be effectively improved, the heat exchange is uniform, and the wind field is prevented from being poor and the heat exchange from being uneven. Further, A = 46°-76°; and / or, B = 54°-84°

[0058] The application also discloses some embodiments, wherein in the second direction, the height of the convex area is L1; in the first direction, the minimum distance between the first surface and the second heat exchanger group 3 is L2; in the first direction, the minimum distance between the second surface and the second heat exchanger group 3 is L3; wherein L1>0; and / or, L2 / L1≥0.1; L3 / L1≥0.25; and / or, the convex area has a distance from the first heat exchanger group 2. In this way, the wind field is further improved, and the heat exchange is uniform.

[0059] The application also discloses some embodiments, wherein the shell 1 is provided with a first air inlet 13; the first air inlet 13 is in communication with the second heat exchange space 12 and forms a first air duct, and the first air duct is provided with a return air fan 6. The flow guide ring 51 and the fan blade 52 are located in the first heat exchange space 11, and the air in the first heat exchange space 11 is blown to the outside environment through the fan blade 52 and the flow guide ring 51; the first air inlet 13 is located in the second heat exchange space 12, so that indoor air returns to the second heat exchange space 12; the centrifugal fan, i.e. the return air fan 6, is located in the second heat exchange space 12 and can blow out the air that has been heat-exchanged by the second heat exchanger group 3, and the air returns to the indoor environment through the air pipe.

[0060] Air is sucked into the first heat space through the outside, and is blown out through the fan blade 52 and the flow guide ring 51 after heat exchange through the first heat exchanger; the inside air enters the second heat exchange space 12 through the first air inlet 13, and is blown out through the centrifugal fan, i.e. the return air fan 6 after heat exchange through the second heat exchanger group 3.

[0061] The application also discloses some embodiments, wherein the shell 1 is provided with a second air inlet; the second air inlet is communicated with the second heat exchange space 12 and forms a second air duct, which can guide the outdoor air into the second air duct and then into the indoor. The application has low cost. The air in the first heat exchanger space 11 is sucked from the outdoor, and is blown out from the flow guide structure 5 after heat exchange in the first heat exchange space 11. The air in the second heat exchanger space 12 is sucked from the indoor, and is blown out from the fan of the second heat exchanger space 12 after heat exchange in the second heat exchange space 12.

[0062] In the subsequent operation process of the whole machine, the first upper cover plate, the second upper cover plate and the third upper cover plate are closed, the outside air is sucked into the return air area, and the sucked air can also air-cool and radiate heat of the electric appliance box components placed in the return air area, so that the temperature of the internal elements of the electric appliance box is reduced. Then the outside air is blown out through the centrifugal fan 92 after heat exchange through the evaporator components; the space layout structure of the application makes the whole structure compact, the evaporator components are completely located in the air field of the whole machine, the air field is not hindered, the air fields are uniform, and the performance of the evaporator, i.e. the second heat exchanger group 3, and the condenser, i.e. the first heat exchanger group 2, can be fully exerted.

[0063] The heat exchange device is a roof heat exchange device.

[0064] According to still another aspect of the application, an air conditioner is provided, comprising the heat exchange device, and the heat exchange device is the heat exchange device described above. The air conditioner is a roof machine.

[0065] It is easy for those skilled in the art to understand that the above-mentioned advantageous modes can be freely combined and superposed without conflict.

[0066] The above merely describes the preferred embodiments of the application, and should not be used to limit the application. Any modification, equivalent replacement and improvement made within the spirit and principle of the application should be included in the protection scope of the application. The above merely describes the preferred embodiments of the application, and should not be used to limit the application. Any modification, equivalent replacement and improvement made within the spirit and principle of the application should be included in the protection scope of the application.

Claims

1. A heat exchange device, characterized in that, include: A first heat exchanger group (2) and a second heat exchanger group (3) are arranged sequentially in a first direction; the first heat exchanger group (2) and the second heat exchanger group (3) are arranged sequentially in a second direction, and in the second direction, a portion of the first heat exchanger group (2) and a portion of the second heat exchanger group (3) are positioned correspondingly; wherein, the first direction and the second direction are perpendicular to each other; the first heat exchanger group (2) includes at least one first heat exchanger, and the second heat exchanger group (3) includes at least one second heat exchanger; The heat exchange device includes a partition structure (4) and a housing (1). The partition structure (4) is disposed inside the housing (1) to divide the housing (1) into a first heat exchange space (11) and a second heat exchange space (12). The partition structure (4) includes a protruding portion (42) that protrudes from the second heat exchange space (12) toward the first heat exchange space (11). The protruding portion (42) forms a protruding area in the first heat exchange space (11), and the first heat exchanger assembly (2) extends circumferentially around the protruding area. The second heat exchange space (12) includes a body region and a recessed region that are interconnected; the recessed region has a first surface and a second surface that are disposed opposite to each other; In the second direction, the height of the protruding area is L1; in the first direction, the minimum distance between the first surface and the second heat exchanger group (3) is L2; ​​in the first direction, the minimum distance between the second surface and the second heat exchanger group (3) is L3; wherein, L2 / L1≥0.1; L3 / L1≥0.25; The housing (1) is provided with a first air vent (13).

2. The heat exchange device according to claim 1, characterized in that, The number of the first heat exchanger group (2) is set to two; the two first heat exchanger groups (2) are located on both sides of the second heat exchanger group (3).

3. The heat exchange device according to claim 1, characterized in that, The first heat exchanger group (2) is disposed in the first heat exchange space (11); the second heat exchanger group (3) is disposed in the second heat exchange space (12).

4. The heat exchange device according to claim 3, characterized in that, The first heat exchange space (11) and the second heat exchange space (12) are arranged sequentially in the second direction; the protruding portion (42) forms a recessed area in the second heat exchange space (12), and the second heat exchanger group (3) is disposed in the recessed area; the position of the protruding area and the part of the first heat exchanger group (2) in the second direction are correspondingly arranged, so that the part of the first heat exchanger group (2) and the part of the second heat exchanger group (3) are correspondingly arranged.

5. The heat exchange device according to claim 4, characterized in that, The partition structure (4) further includes a side partition (43), which is detachably connected to the protruding portion (42); the side partition (43) and the protruding portion (42) are arranged sequentially in the second direction.

6. The heat exchange device according to claim 4, characterized in that, The motor bracket is mounted on the protruding portion (42) and the motor bracket is located within the first heat exchange space (11).

7. The heat exchange device according to claim 4, characterized in that, The protruding part (42) is provided with an inspection port (423); the inspection port (423) is connected to the recessed area; and an inspection door (424) is provided at the inspection port (423).

8. The heat exchange device according to claim 4, characterized in that, The partition structure (4) is provided with a wire-passing structure (441) and / or a wire-fixing structure (442).

9. The heat exchange device according to claim 4, characterized in that, The partition structure (4) includes a partition plate (41) and a partition shell. The partition plate (41) is provided with an installation port. The partition shell has an opening that is adapted to the size and shape of the installation port. The partition shell is installed at the installation port through the opening. The partition shell forms the protruding portion (42). The partition shell is located in the first heat exchange space (11) to form the protruding area. The recessed area is formed inside the partition shell.

10. The heat exchange device according to claim 9, characterized in that, The gas flows in the first direction, and the second heat exchanger group (3) divides the recessed area into an air inlet area and an air outlet area arranged sequentially in the direction of gas flow; the cross-sectional area of ​​the air inlet area gradually increases in the direction of gas flow; and the cross-sectional area of ​​the air outlet area gradually decreases in the direction of gas flow.

11. The heat exchange device according to claim 9, characterized in that, The body region includes a strip-shaped region extending in the first direction; the first surface, the second heat exchanger group (3) and the second surface are arranged sequentially in the gas flow direction, with an angle A between the first surface and the body region; and an angle B between the second surface and the body region.

12. The heat exchange device according to claim 11, characterized in that, A = 30°-90°; and / or, B = 30°-90°.

13. The heat exchange device according to claim 11, characterized in that, The protruding area is at a distance from the first heat exchanger group (2).

14. The heat exchange device according to claim 3, characterized in that, The first air vent (13) is connected to the second heat exchange space (12) and forms a first air duct. A return air fan (6) is installed in the first air duct. The indoor air can enter the second heat exchange space (12) through the first air vent (13) and then be blown out.

15. The heat exchange device according to claim 3, characterized in that, The housing (1) is provided with a second air outlet; the second air outlet is connected to the first heat exchange space (11) and forms a second air duct. A guide structure (5) is provided in the second air duct, which can guide outdoor air into the second air duct and then blow it into the room.

16. An air conditioner, characterized in that, The heat exchange device is the heat exchange device according to any one of claims 1-15.

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