Heat exchange module and heating, ventilation and air conditioning system

Abstract

Provided in the present application are a heat exchange module and a heating, ventilation and air conditioning system. The heat exchange module comprises a heat exchange shell, a heat exchange structure and a phase change material, wherein the heat exchange shell has a heat exchange space inside, the heat exchange structure is at least partially arranged in the heat exchange space, and in the heat exchange structure, a plurality of fins extend in the vertical direction, a heat conduction space extending in the vertical direction is formed between every two adjacent fins, and the heat conduction space is filled with the phase change material.

Description

Heat exchange module and heating and ventilation system

[0001] Related applications

[0002] This application claims priority to the following Chinese patent application:

[0003] Application No. 2024113895687, filed on September 30, 2024, entitled "Heat exchange module and heating and ventilation system";

[0004] The aforementioned patent is hereby incorporated by reference in its entirety. TECHNICAL FIELD

[0005] The present application relates to the technical field of heat exchangers, in particular to a heat exchange module and a heating and ventilation system. BACKGROUND

[0006] In a heating and ventilation system, phase change heat storage technology is widely used due to its efficient energy storage and release characteristics. The tube-fin heat exchanger utilizes the characteristics of the phase change material absorbing or releasing a large amount of heat when it undergoes a physical state change at a specific temperature. The phase change material is filled between the heat exchange tube and the fin, and the fin is installed outside the heat exchange tube to effectively increase the heat exchange area, thereby achieving efficient energy storage and release. However, due to the complex internal structure of the tube-fin heat exchanger, the flowability of the phase change material is limited during the filling process, resulting in uneven filling of the phase change material and low filling efficiency. SUMMARY

[0007] The present application provides a heat exchange module and a heating and ventilation system, which aims to solve the technical problems of uneven filling of phase change material and low filling efficiency in a tube-fin heat exchanger.

[0008] The present application provides a heat exchange module, which comprises a heat exchange shell, a heat exchange structure, and a phase change material. The heat exchange shell has a heat exchange space inside. The heat exchange structure is at least partially arranged in the heat exchange space. The heat exchange structure comprises a plurality of heat exchange units arranged along a first horizontal direction. Each heat exchange unit comprises a plurality of heat exchange tubes and a heat conduction part connected to the plurality of heat exchange tubes. The phase change material is filled in the heat exchange shell and at least partially immerses the heat exchange structure. The heat conduction part comprises a plurality of fins arranged at intervals along a second horizontal direction. The second horizontal direction is perpendicular to the first horizontal direction. Each fin extends along a vertical direction, and a heat conduction space extending along the vertical direction is formed between adjacent two fins. The heat conduction space is filled with the phase change material.

[0009] In some embodiments, the heat exchange shell further has a filling inlet, which communicates with the heat exchange space. The phase change material enters the heat exchange space through the filling inlet. In the vertical direction, the filling inlet is located above the heat exchange unit.

[0010] In some embodiments, the heat exchange structure comprises a plurality of inlet headers and a plurality of outlet headers; each of the inlet headers is in communication with the inlets of the heat exchange tubes of a plurality of the heat exchange units; each of the outlet headers is in communication with the outlets of the heat exchange tubes of a plurality of the heat exchange units; wherein, in the vertical direction, the inlet headers and the outlet headers are both above a plurality of the heat exchange units and are installed on the heat exchange housing.

[0011] In some embodiments, the heat exchange structure further comprises a plurality of inlet manifolds in one-to-one correspondence with the plurality of inlet headers, and a plurality of outlet manifolds in one-to-one correspondence with the plurality of outlet headers; the inlet manifolds are in communication with the inlets of the heat exchange tubes of a plurality of the heat exchange units; the outlet manifolds are in communication with the outlets of the heat exchange tubes of a plurality of the heat exchange units; wherein, in the vertical direction, the inlet manifolds and the outlet manifolds are both above a plurality of the heat exchange units.

[0012] In some embodiments, the plurality of inlet manifolds and the plurality of outlet manifolds respectively extend along the first horizontal direction and are arranged side by side along the second horizontal direction.

[0013] In some embodiments, in the second horizontal direction, the plurality of inlet headers and the plurality of outlet headers are arranged staggered.

[0014] In some embodiments, each of the heat exchange units further comprises a plurality of groups of adapter tubes, each of the groups of adapter tubes comprises an adapter main tube and an adapter branch tube, the adapter branch tube has a plurality of adapter ends, one end of the adapter main tube is connected to one of the adapter ends of the adapter branch tube; the groups of adapter tubes comprise inlet adapter tube groups and outlet adapter tube groups; the other end of the adapter main tube of the inlet adapter tube groups is connected to the inlet manifolds, and the remaining adapter ends of the adapter branch tubes are connected to the inlets of the heat exchange tubes in one-to-one correspondence; the other end of the adapter main tube of the outlet adapter tube groups is connected to the outlet manifolds, and the remaining adapter ends of the adapter branch tubes are connected to the outlets of the heat exchange tubes in one-to-one correspondence.

[0015] In some embodiments, a part of the plurality of heat exchange tubes of the heat exchange unit are heat storage tubes, another part are heat release tubes, a part of the plurality of groups of the adapter tubes are heat storage adapter tube groups, another part are heat release adapter tube groups; the heat storage tube inlets of the plurality of heat storage tubes are communicated with one of the inlet headers through one of the heat storage adapter tube groups, and the heat storage tube outlets are communicated with one of the outlet headers through another of the heat storage adapter tube groups to form a heat storage flow path; the heat release tube inlets of the plurality of heat release tubes are communicated with another of the inlet headers through one of the heat release adapter tube groups, and the heat release tube outlets are communicated with another of the outlet headers through another of the heat release adapter tube groups to form a heat release flow path.

[0016] In some embodiments, the heat exchange module satisfies one of the following conditions: the material of the heat exchange tube is at least one of copper, copper alloy, and stainless steel; the material of the heat exchange tube is copper, and the materials of the inlet header, the outlet header, the inlet header, and the outlet header are stainless steel; the materials of the heat storage tube and the adapter tube groups communicated with the heat storage tube are aluminum, and the materials of the heat release tube and the adapter tube groups communicated with the heat release tube are stainless steel.

[0017] In some embodiments, the adapter main tube of each of the adapter tube groups comprises a vertical segment and a horizontal segment arranged at an angle, and the vertical segment extends in the vertical direction; in the second horizontal direction, the vertical segment of the adapter main tube on the side of the heat storage tube inlet is located on the side close to the heat conduction part of the vertical segment of the adapter main tube on the side of the heat storage tube outlet; in the vertical direction, the vertical segment of the adapter main tube on the side of the heat storage tube inlet is located below the vertical segment of the adapter main tube on the side of the heat storage tube outlet; in the second horizontal direction, the vertical segment of the adapter main tube on the side of the heat release tube inlet is located on the side away from the heat conduction part of the vertical segment of the adapter main tube on the side of the heat release tube outlet; in the vertical direction, the vertical segment of the adapter main tube on the side of the heat release tube inlet is located above the vertical segment of the adapter main tube on the side of the heat release tube outlet.

[0018] In some embodiments, the plurality of adapter ends of the adapter branch tube comprises a first adapter end and a plurality of second adapter ends, and the first adapter end is connected with the adapter main tube; the axial direction of the first adapter end is parallel to the axial direction of the second adapter end; or, the axial direction of the first adapter end is arranged at an angle with the axial direction of the second adapter end.

[0019] In some embodiments, the heat exchange structure further comprises a plurality of first limiting members, each of the first limiting members comprises a first limiting part arranged side by side in the first horizontal direction, and a plurality of the first limiting parts of the same first limiting member are connected with the adapter main tubes of a plurality of groups of the adapter tube groups.

[0020] In some embodiments, the phase change material comprises the following components: sodium acetate trihydrate 90wt.%-95wt.%, sodium phosphate dibasic dodecahydrate 1wt.%-4wt.%, carboxymethyl cellulose 0.5wt.%-1.5wt.%, and perlite 0.2wt.%-1.5wt.%.

[0021] In some embodiments, the fins are arranged along the second horizontal direction at a same preset interval L.

[0022] In some embodiments, the heat exchange units are arranged along the first horizontal direction at a same preset interval L.

[0023] In some embodiments, the fins are flat fins extending along the vertical direction.

[0024] In some embodiments, the heat exchange unit further comprises two side plates arranged on opposite sides of the heat conduction part along the second horizontal direction, the side plates comprising a first plate body extending along the vertical direction and a second plate body extending from an edge of the first plate body towards the second horizontal direction; the heat exchange module further comprises a second limiting member comprising a second limiting part extending along the first horizontal direction and having a plurality of first mounting holes arranged at intervals, and a plurality of third limiting parts connected to the second limiting part at an angle and arranged side by side along the first horizontal direction; wherein the same second limiting member is connected to the side plates of a plurality of heat exchange units arranged at intervals, and in the same second limiting member: the plurality of first mounting holes of the second limiting part are one-to-one connected to the second plate bodies of the side plates on the same side of the plurality of heat exchange units, and / or the plurality of third limiting parts are one-to-one connected to the first plate bodies of the plurality of side plates on the same side of the plurality of heat exchange units.

[0025] In some embodiments, the heat exchange module further comprises two third limiters, the two third limiters are connected to opposite sides of the heat exchange structure along the second horizontal direction, and the two third limiters are located at the bottom end of the heat exchange structure along the vertical direction; wherein each third limiter at least partially protrudes from each heat exchange unit along the second horizontal direction.

[0026] In some embodiments, the heat exchange housing comprises a first housing having the heat exchange space inside, a second housing arranged outside the first housing, and a heat preservation layer arranged between the first housing and the second housing.

[0027] In some embodiments, the first housing comprises a housing body, a first top plate and a first bottom plate arranged opposite along the vertical direction, the housing body is in a cylindrical structure; along the vertical direction, one end of the housing body is connected to the first top plate, and the other end is connected to the first bottom plate, and the first top plate, the housing body and the first bottom plate jointly define the heat exchange space.

[0028] In some embodiments, the heat exchange structure further comprises a plurality of inlet headers and a plurality of outlet headers in communication with the plurality of heat exchange pipes; the first top plate has a plurality of first through holes, wherein the heat exchange pipes are arranged in the heat exchange space, and the plurality of inlet headers and the plurality of outlet headers are correspondingly arranged in the plurality of first through holes.

[0029] In some embodiments, the heat exchange module further comprises a first mounting member connected to the heat exchange unit, the first mounting member has a plurality of first limiting grooves; a second mounting member connected to the first mounting member, the second mounting member has a plurality of second limiting grooves, the second limiting grooves are arranged corresponding to the first limiting grooves, and the plurality of inlet headers and the plurality of outlet headers are correspondingly clamped in the plurality of first limiting grooves.

[0030] In some embodiments, the second mounting member further has a first mounting flange; the heat exchange module further comprises a third mounting member, the third mounting member comprises a mounting plate and a second mounting flange, the mounting plate is connected to the inner wall surface of the housing body, the second mounting flange is connected to the mounting plate, and the first mounting flange is mounted on the second mounting flange.

[0031] In some embodiments, the first housing further comprises a rib plate, the rib plate comprises a first rib plate connected to the outer wall surface of the housing body and extending along the circumference of the housing body, and a second rib plate connected to opposite sides of the first rib plate along the vertical direction, the second rib plate is connected to the first rib plate at an angle.

[0032] In some embodiments, the second shell comprises: a plurality of side plates surrounding the periphery of the shell body; a second top plate arranged above the first top plate and connected to the upper ends of the plurality of side plates; and a second bottom plate arranged below the second bottom plate and connected to the lower ends of the plurality of side plates.

[0033] In some embodiments, the side plates have plate bodies, and adjacent two side plates are bolted; one of the adjacent two side plates further comprises a third mounting flange connected at an angle to the plate body thereof, the third mounting flange is provided with a second mounting hole, and the third mounting flange is arranged on the outer wall surface of the plate body of the other side plate through the second mounting hole; the other side plate further comprises a fourth mounting flange connected to the plate body thereof, the fourth mounting flange has a avoiding part, the avoiding part is parallel and spaced apart from the plate body of the other side plate, and the avoiding part is arranged corresponding to the mounting hole of the third mounting flange.

[0034] In some embodiments, the heat preservation layer comprises: a first heat preservation layer connected to the outer wall surface of the first shell; and a second heat preservation layer connected to the side of the first heat preservation layer away from the first shell; wherein the hardness of the second heat preservation layer is greater than the hardness of the first heat preservation layer, and the heat preservation coefficient of the second heat preservation layer is greater than the heat preservation coefficient of the first heat preservation layer.

[0035] In some embodiments, the second shell comprises a plurality of side plates, and adjacent two side plates are connected and the connection of the two forms a corner; the second heat preservation layer is provided with an avoiding groove corresponding to the corner, the avoiding groove extends along the vertical direction, and forms an avoiding space with the corner.

[0036] In some embodiments, the heat exchange shell further comprises: a positioning piece arranged on the side of the side plate facing the shell body, the positioning piece is connected to the side plate and forms a clamping groove with the side plate; and a fourth mounting piece, one end of which is mounted on the outer wall surface of the first top plate, and the other end is clamped in the clamping groove and connected with the side plate.

[0037] In some embodiments, the heat exchange shell further comprises a first support piece, the first support piece comprises: a first support part parallel to the plate surface of the first bottom plate and mounted on the outer wall surface of the first bottom plate, the first support part extends along a first horizontal direction; two second support parts connected to the opposite sides of the first support part along the first horizontal direction, the second support part is connected at an angle to the first support part; and two third support parts connected to the side of the two second support parts away from the first support part one by one, the third support part is parallel to the plate surface of the second bottom plate and arranged to be mounted on the inner wall surface of the second bottom plate.

[0038] In some embodiments, the shell further comprises a second support, the second support comprising: a fourth support portion parallel to the plate surface of the second bottom plate and mounted to the outer wall surface of the second bottom plate, the fourth support portion extending along a first horizontal direction; a fifth support portion connected to one side of the fourth support portion along the second horizontal direction at an included angle; and a sixth support portion connected to one side of the fifth support portion away from the fourth support portion, the sixth support portion extending along the first horizontal direction and arranged in parallel with the fourth support portion at a spacing.

[0039] The application further provides a heating and ventilation system, comprising a heat source module and a heat exchange module as described above, the heat source module and the heat exchange module being connected, and heat generated by the heat source module being transferred to the phase change material of the heat exchange structure for charging.

[0040] In some embodiments, the heating and ventilation system further comprises an energy consumption module, the energy consumption module being connected to the heat exchange module, and the energy consumption module receiving heat supplied by the phase change material of the heat exchange module.

[0041] Based on the heat exchange module and the heating and ventilation system provided by the application, in the heat exchange structure, a plurality of fins extend along the vertical direction, and a heat conduction space extending along the vertical direction is formed between two adjacent fins. When the phase change material is filled, the phase change material can flow from top to bottom along the heat conduction space by means of gravity, which helps to improve the filling efficiency. In the application, the plurality of fins extend along the vertical direction, so that the heat conduction space is vertically penetrated. Compared with the fin structure with horizontal or complex layout, the vertically extending fins can more effectively avoid the accumulation of gas in dead corners and low-lying places. The phase change material can expel the gas during the flowing process, effectively reducing the generation of bubbles, so that the heat exchange pipe and the fin can be fully immersed in the phase change material, reducing the retention of bubbles, improving the uniformity of the phase change material filling, and ensuring the high purity and compactness of the phase change material during the filling process. BRIEF DESCRIPTION OF DRAWINGS

[0042] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the application, and for those skilled in the art, other drawings can also be obtained from the structures shown in these drawings without creative labor.

[0043] Fig. 1 is a structural schematic view of a heat exchange module according to an embodiment of the application;

[0044] Fig. 2 is a sectional view along A-A of a heat exchange module according to an embodiment of the application;

[0045] Fig. 3 is a structural schematic diagram of a heat exchange structure according to an embodiment of the present application;

[0046] Fig. 4 is a structural schematic diagram of a plurality of heat exchange units according to an embodiment of the present application;

[0047] Fig. 5 is a top view schematic diagram of Fig. 4;

[0048] Fig. 6 is a structural schematic diagram of a heat conduction part according to an embodiment of the present application;

[0049] Fig. 7 is a pipeline structural schematic diagram of a heat exchange structure according to an embodiment of the present application;

[0050] Fig. 8 is a pipeline structural schematic diagram of another heat exchange structure according to an embodiment of the present application;

[0051] Fig. 9 is an exploded structural schematic diagram of Fig. 8;

[0052] Fig. 10 is a top view schematic diagram of Fig. 8;

[0053] Fig. 11 is a front view schematic diagram of Fig. 8;

[0054] Fig. 12 is a structural schematic diagram of an adapter branch according to an embodiment of the present application;

[0055] Fig. 13 is a structural schematic diagram of an installation structure of another adapter branch according to an embodiment of the present application;

[0056] Fig. 14 is a structural schematic diagram of another adapter branch according to an embodiment of the present application;

[0057] Fig. 15 is a structural schematic diagram of an installation structure of a second limiting part according to an embodiment of the present application;

[0058] Fig. 16 is an exploded structural schematic diagram of Fig. 15;

[0059] Fig. 17 is a partial enlarged schematic diagram of E in Fig. 16;

[0060] Fig. 18 is a partial enlarged schematic diagram of F in Fig. 16;

[0061] Fig. 19 is a structural schematic diagram of an installation structure of another second limiting part according to an embodiment of the present application;

[0062] Fig. 20 is a structural schematic diagram of an installation structure of a first limiting part according to an embodiment of the present application;

[0063] Fig. 21 is a structural schematic diagram of an installation structure of a third limiting part according to an embodiment of the present application;

[0064] Fig. 22 is a perspective structural schematic diagram of a heat exchange module according to an embodiment of the present application;

[0065] Fig. 23 is a structural schematic diagram of a first shell according to an embodiment of the present application;

[0066] Fig. 24 is an exploded structural schematic view of a first shell according to an embodiment of the present application;

[0067] Fig. 25 is an enlarged schematic view of a portion of Fig. 2 at G;

[0068] Fig. 26 is a partially exploded schematic view of Fig. 3;

[0069] Fig. 27 is an enlarged schematic view of a portion of Fig. 24 at H;

[0070] Fig. 28 is an exploded structural schematic view of a second shell according to an embodiment of the present application;

[0071] Fig. 29 is a structural schematic view of an avoidance portion according to an embodiment of the present application;

[0072] Fig. 30 is an enlarged schematic view of a portion of Fig. 28 at I;

[0073] Fig. 31 is an enlarged schematic view of a portion of Fig. 2 at J;

[0074] Fig. 32 is an enlarged schematic view of a portion of Fig. 2 at K;

[0075] Fig. 33 is an exploded structural schematic view of a thermal insulation layer 13 according to an embodiment of the present application.

[0076] Label: 1, heat exchange module; 10, heat exchange shell; 20, heat exchange structure; 30, phase change material; 11, first shell; 12, second shell; 13, heat preservation layer; 21, heat exchange unit; 22, inlet manifold; 23, outlet manifold; 24, inlet header; 25, outlet header; 41, first limiting piece; 42, second limiting piece; 43, third limiting piece; 51, first mounting piece; 52, second mounting piece; 53, third mounting piece; 54, fourth mounting piece; 55, first support piece; 56, positioning piece; 57, second support piece; 110, heat exchange space; 111, shell body; 112, first top plate; 113, first bottom plate; 114, rib plate; 121, second top plate; 122, second bottom plate; 123, side plate; 131, first heat preservation layer; 132, second heat preservation layer; 200, gap space; 210, heat conduction space; 211, heat exchange pipe; 212, fin; 213, inlet adapter pipe group; 214, outlet adapter pipe group; 215, heat storage pipe; 216, heat release pipe; 217, side plate; 221, heat storage inlet manifold; 222, heat release inlet manifold; 231, heat storage outlet manifold; 232, heat release outlet manifold; 411, first limiting part; 421, second limiting part; 422, third limiting part; 521, first mounting flange; 531, mounting plate; 532, second mounting flange; 551, first support part; 552, second support part; 553, third support part; 571, fourth support part; 572, fifth support part; 573, sixth support part; 1141, first rib plate; 1142, second rib plate; 1231, plate body; 1232, third mounting flange; 1233, fourth mounting flange; 1234, avoiding part; 1320, avoiding groove; 2101, adapter main pipe; 2102, adapter branch pipe; 2102a, first adapter end; 2102b, second adapter end; 215a, heat storage pipe inlet; 215b, heat storage pipe outlet; 216a, heat release pipe inlet; 216b, heat release pipe outlet; 2171, first plate body; 2172, second plate body; X, first horizontal direction; Y, second horizontal direction; Z, vertical direction. The implementation, functional characteristics and advantages of the present application will be further described with reference to the accompanying drawings. DETAILED DESCRIPTION

[0077] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0078] It should be noted that all the direction indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative position relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the direction indications will also change accordingly.

[0079] In addition, the descriptions such as "first", "second" and the like in the present application are only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0080] In the present application, unless otherwise specifically defined and limited, the terms "connection", "fixation" and the like should be understood in a broad sense, for example, "fixation" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through intermediate medium; can be internal connection of two elements or interaction relationship between two elements, unless otherwise specifically defined. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0081] In addition, the technical solutions of various embodiments of the present application can be combined with each other, but it must be based on the fact that ordinary skilled in the art can realize it, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the scope of protection claimed in the present application.

[0082] The tube-fin heat exchanger usually installs fins on the surface of the heat exchange tube to increase the heat exchange area and improve the heat exchange efficiency. In the related art, the shapes of the fins are various, and the arrangement directions are closely related to the layout of the heat exchange tubes. According to the shapes of the fins, the fins can be divided into square fins, circular fins, spiral fins, longitudinal fins, corrugated fins, spiral sawtooth fins, needle-shaped fins, etc. These fins are arranged around the heat exchange tubes in a multi-direction and multi-level manner. The combination of the fins and the heat exchange tubes leads to the design of the internal structure of the tube-fin heat exchanger, which is often complex. The complex internal structure not only limits the flowability of the phase change material during the filling process, but also increases the difficulty of gas discharge, resulting in the problems of uneven filling of the phase change material and low filling efficiency.

[0083] Based on the above problems, the embodiment of the present application provides a heat exchange module and a heating and ventilation system. Each heat exchange unit of the heat exchange structure is provided with a plurality of fins arranged in a second horizontal direction. The plurality of fins extend in a vertical direction. Compared with horizontal or complex layout of the fin structure, the vertically extending fin reduces the resistance of the phase change material when flowing, and is not prone to form accumulation and retention of the phase change material. A heat conduction space extending in the vertical direction is formed between the two adjacent fins. The vertically extending heat conduction space allows the phase change material to flow naturally by gravity during the filling process, so that the phase change material can be more smoothly filled in the heat conduction space, thereby improving the filling speed.

[0084] Based on the structure and arrangement mode of the fin in the embodiment of the present application, during the filling process, the air and residual gas in the heat exchange unit are extruded by the phase change material and pushed to the top of the heat conduction space. Since the fin and the heat conduction space extend vertically, the phase change material can expel the gas during the flow process, effectively reducing the generation of bubbles, so that the heat exchange tube and the fin can be fully immersed in the phase change material, reducing the retention of bubbles, improving the uniformity of the phase change material filling, and ensuring the high purity and density of the phase change material during the filling process.

[0085] Please refer to FIG. 1-2, FIG. 1 is a structure schematic diagram of a heat exchange module 1 according to an embodiment of the present application, and FIG. 2 is a cross-sectional view of the heat exchange module 1 along A-A according to an embodiment of the present application. The heat exchange module 1 comprises a heat exchange shell 10, a heat exchange structure 20 and a phase change material 30. The heat exchange shell 10 has a heat exchange space 110 inside. The heat exchange space 110 is arranged to provide a containing space for the heat exchange structure 20 and the phase change material 30. The heat exchange structure 20 is at least partially arranged in the heat exchange space 110. The phase change material 30 is filled in the heat exchange shell 10 and at least partially immerses the heat exchange structure 20. The heat exchange structure 20 comprises a plurality of heat exchange units 21. The heat exchange units 21 and the phase change material 30 exchange heat with each other, so that the phase change material 30 changes phase, realizes phase change heat storage or phase change heat release.

[0086] Please refer to FIG. 3-5, FIG. 3 is a structure schematic diagram of a heat exchange structure 20 according to an embodiment of the present application, FIG. 4 is a structure schematic diagram of a plurality of heat exchange units 21 according to an embodiment of the present application, and FIG. 5 is a top view of FIG. 4. The heat exchange structure 20 comprises a plurality of heat exchange units 21. The plurality of heat exchange units 21 are arranged along a first horizontal direction X. Each heat exchange unit 21 comprises a plurality of heat exchange tubes 211 and a heat conduction part connected to the plurality of heat exchange tubes 211. The heat exchange tube 211 is the main heat exchange element of the heat exchange structure 20. The heat exchange medium in the heat exchange tube 211 exchanges heat with the phase change material 30 outside the heat exchange tube 211 through the tube wall and the heat conduction part. The heat conduction part comprises a plurality of fins 212. The plurality of fins 212 increases the heat exchange area, so as to improve the heat exchange efficiency.

[0087] In the embodiments of the present application, the plurality of fins 212 are arranged at intervals along the second horizontal direction Y, which is perpendicular to the first horizontal direction X, and each fin 212 extends along the vertical direction Z. The fin 212 extending along the vertical direction Z not only increases the contact area of the phase change material 30 and the heat exchange unit 21, and promotes the rapid transfer of heat, but also has a small flow resistance to the phase change material 30 compared to the fins arranged in multiple directions and multiple levels and the horizontally arranged fins, and is not prone to form accumulation and retention of the phase change material 30. The adjacent two fins 212 form a heat conduction space 210 extending along the vertical direction Z, and the heat conduction space 210 is filled with the phase change material 30. During the filling process, the phase change material 30 flows from top to bottom along the fin 212 under the action of gravity to smoothly fill each heat conduction space 210, which helps to improve the filling speed. Further, during the filling process, the air and residual gas in the heat exchange unit 21 are squeezed and pushed to the top of the heat conduction space 210 by the phase change material 30. Since the fin 212 and the heat conduction space 210 extend vertically, the phase change material 30 can expel the gas during the flow process, effectively reducing the generation of bubbles, so that the heat exchange tube 211 and the fin 212 can be fully immersed in the phase change material, reducing the retention of bubbles, avoiding the reduction of heat conduction efficiency caused by the retention of bubbles, improving the uniformity of the phase change material 30 filling, and helping to improve the consistency of the heat exchange performance in the heat exchange unit 21.

[0088] The heat exchange shell 10 also has a filling inlet, which communicates with the heat exchange space 110, and the phase change material 30 enters the heat exchange space 110 through the filling inlet. In the vertical direction Z, the filling inlet is located above the heat exchange unit 21. In this way, the filling direction is consistent with the natural extension direction of the phase change material 30 in the heat exchange space 110, and the phase change material 30 can flow into and fill the entire heat exchange space 110 more smoothly, which helps to reduce the resistance and blockage that may occur during the filling process, thereby improving the filling efficiency.

[0089] Continuing to refer to FIGS. 3-5, in an embodiment of the present application, the plurality of heat exchange units 21 of the heat exchange structure 20 are arranged at intervals along the first horizontal direction X in sequence, and a gap space 200 is formed between adjacent two heat exchange units 21, which extends along the second horizontal direction Y. Each heat exchange unit 21 has a plurality of heat conduction spaces 210 arranged at intervals along the second horizontal direction Y, and each heat conduction space 210 extends along the first horizontal direction X. The gap space 200 provides a channel for the flow and distribution of the phase change material 30. After the phase change material 30 enters the heat exchange space 110 from the filling inlet, it can extend and fill each heat conduction space 210 through the gap space 200 to immerse the plurality of heat exchange units 21.

[0090] In the second horizontal direction Y, the fins 212 of the same position sequence in the plurality of heat exchange units 21 are located in the same vertical plane, so that the heat conduction spaces 210 of the same position sequence in the plurality of heat exchange units 21 are arranged side by side in the first horizontal direction, and are all in communication with the gap space 200. Compared with the staggered arrangement of the plurality of rows of heat conduction spaces 210 of the plurality of heat exchange units 21, the plurality of gap spaces 200 and the plurality of rows of heat conduction spaces 210 formed by the plurality of heat exchange units 21 form a longitudinal and transverse communication phase change filling space in the heat exchange structure 20, and the phase change material 30 is more easily extended and distributed during the filling process. The phase change material 30 can flow along the predetermined path of the gap space 200 and the heat conduction space 210, reducing the problem of difficult extension in the gap, thereby further improving the filling efficiency.

[0091] It should be noted that the fin 212 is a flat fin, and the flat fin extends in the vertical direction. The design of the flat fin enables the phase change material 30 to maintain a relatively smooth flow path when flowing through the fin. Compared with corrugated fins or other fins with complex shapes, the flat fin reduces sudden turns and vortexes during the filling and flowing process of the phase change material 30, thereby reducing the flow resistance.

[0092] Please refer to FIG. 6, which is a structural schematic diagram of a heat conduction part according to an embodiment of the present application. In another embodiment of the present application, in order to further increase the heat exchange area of the heat exchange unit 21 and the phase change material 30, the heat conduction part can further include a connecting part, which extends in the vertical direction Z and is connected to the fin 212. Optionally, the connecting part is arranged between two adjacent fins 212.

[0093] In the embodiment of the present application, the predetermined distance L between the two adjacent fins 212 among the plurality of fins 212 arranged at intervals in the second horizontal direction Y is the same, so that the phase change material 30 can maintain a relatively uniform distribution. In actual production, the fin 212 is punched to form a plurality of flange holes, the heat exchange pipe 211 is arranged in the flange hole, and the heat exchange pipe 211 is fixed to the fin 212 through tube expansion processing, so as to reduce the interfacial thermal resistance between the heat exchange pipe 211 and the fin 212. The predetermined distance L between the two adjacent fins 212 depends on the height of the flange hole. Taking the heat exchange pipe 211 with a diameter of φ7mm as an example, the fin 212 matched therewith can process a flange hole with a height of h∈(0mm, 2mm], and the predetermined distance L between the two adjacent fins 212 should not be greater than 2mm, otherwise the fin 212 processing cannot meet the design requirements.

[0094] In the design stage, the preset interval L between the two adjacent fins 212 also needs to consider the particle size of the solid particles such as nucleating agents in the phase change material 30. The maximum particle size of the solid particles in the phase change material 30 is Dmax. Therefore, the preset interval L should not be too small, L satisfies: L > Dmax, so as to avoid the solid particles from accumulating on the top of the heat exchange unit 21 and affecting the heat storage performance.

[0095] In an embodiment of the present application, the phase change material 30 comprises the following components: sodium acetate trihydrate 90wt.%-95wt.%, sodium phosphate dibasic dodecahydrate 1wt.%-4wt.%, carboxymethyl cellulose 0.5wt.%-1.5wt.% and perlite 0.2wt.%-1.5wt.%. The phase change temperature T of the phase change material 30 satisfies: 56°≤T≤58°, which meets the demand of domestic hot water. Specifically, sodium acetate trihydrate as the base material of the phase change material 30 has a suitable phase change temperature and a high latent heat of phase change, and plays a heat storage function. Carboxymethyl cellulose as a thickening agent can increase the viscosity and cohesion of the phase change material 30, and prevent the leakage and separation of the liquid phase during the phase change. Sodium phosphate dibasic dodecahydrate and perlite as nucleating agents can improve the supercooling degree of the phase change material 30. The particle size D1 of the perlite satisfies: 0.2mm≤D1≤1.4mm, and based on this, the preset interval L between the two adjacent fins 212 can be 1.5mm.

[0096] The pipeline of the heat exchange structure 20 of the embodiment of the present application will be described in detail below with reference to the accompanying drawings.

[0097] Please refer to FIG. 7-FIG. 9, FIG. 7 is a schematic diagram of the pipeline structure of a heat exchange structure 20 of an embodiment of the present application, FIG. 8 is a schematic diagram of the pipeline structure of another heat exchange structure 20 of an embodiment of the present application, and FIG. 9 is an exploded structure schematic diagram of FIG. 8. The heat exchange structure 20 further comprises a plurality of inlet manifolds 22, a plurality of outlet manifolds 23, a plurality of inlet headers 24 and a plurality of outlet headers 25. The heat exchange unit 21 further comprises a plurality of groups of adapter pipes. The inlets of the plurality of heat exchange pipes 211 are connected to the inlet headers 24 through a part of the groups of adapter pipes, the inlet headers 24 are connected to the inlet manifolds 22, the outlets of the plurality of heat exchange pipes 211 are connected to the outlet headers 25 through another part of the groups of adapter pipes, and the outlet headers 25 are connected to the outlet manifolds 23. In this way, the plurality of heat exchange pipes 211 in the heat exchange unit 21 are connected to the external pipeline through the inlet manifolds 22 and the outlet manifolds 23, so as to realize heat exchange.

[0098] The heat exchange pipe 211 has a plurality of straight pipe sections arranged in the vertical direction, and the straight pipe sections extend along the second horizontal direction Y. The heat exchange pipe further includes elbow pipe sections arranged on opposite sides of the straight pipe sections along the second horizontal direction Y and connected between adjacent two straight pipe sections, and the plurality of straight pipe sections and the plurality of elbow pipe sections are sequentially communicated to form the heat exchange pipe 211. In the embodiment of the present application, each straight pipe section in the heat exchange pipe 211 extends along the second horizontal direction Y and corresponds to the plurality of fins, so as to increase the heat exchange area of the heat exchange unit.

[0099] In the embodiment of the present application, each inlet header pipe 22 is in communication with the inlet of the heat exchange pipe 211 of the plurality of heat exchange units 21, and each outlet header pipe 23 is in communication with the outlet of the heat exchange pipe 211 of the plurality of heat exchange units 21. In the vertical direction, the plurality of inlet header pipes 22 and the plurality of outlet header pipes 23 are located above the plurality of heat exchange units 21, so as to facilitate the installation of the staff, improve the installation efficiency and safety, and the plurality of inlet header pipes 22 and the plurality of outlet header pipes 23 are installed on the heat exchange shell 10, so as to reduce the risk of displacement of the inlet header pipe 22 and the outlet header pipe 23 during transportation and use.

[0100] Optionally, in the second horizontal direction X, the plurality of inlet header pipes 22 and the plurality of outlet header pipes 23 are arranged in a staggered manner, which provides convenience for the maintenance and repair of the inlet header pipes 22 and the outlet header pipes 23. When cleaning, replacing or checking these components are needed, the staggered layout can reduce the interference with adjacent components, so that the operation is more convenient and fast.

[0101] In the embodiment of the present application, along the flow direction of the fluid in the heat exchange pipe 211, the inlet header pipes 24 are arranged upstream of the plurality of heat exchange pipes 211 to uniformly distribute the fluid in the inlet header pipes 22 to each heat exchange pipe 211, the inlet header pipes 24 are in one-to-one correspondence with the plurality of inlet header pipes 22, the inlet header pipes 24 are in communication with the inlets of the heat exchange pipes 211 of the plurality of heat exchange units 21, the outlet header pipes 25 are arranged downstream of the plurality of heat exchange pipes 211 to collect the fluid in the plurality of heat exchange pipes 211, the outlet header pipes 25 are in one-to-one correspondence with the plurality of outlet header pipes 23, and the outlet header pipes 25 are in communication with the outlets of the heat exchange pipes 211 of the plurality of heat exchange units 21. In the vertical direction, the inlet header pipes 24 and the outlet header pipes 25 are located above the plurality of heat exchange units 21, which facilitates the communication of the inlet header pipes 22 and the outlet header pipes 23, and facilitates the installation and repair of the staff, and helps to improve the installation efficiency and safety.

[0102] It should be noted that the plurality of heat exchange units 21 are arranged along the first horizontal direction X, and the plurality of heat exchange pipes 211 in each heat exchange unit 21 are arranged at intervals along the first horizontal direction, so that the plurality of inlet headers 24 and the plurality of outlet headers 25 extend along the first horizontal direction X and are arranged side by side along the second horizontal direction Y to ensure that the fluid in each heat exchange unit 21 can flow smoothly into or out of the above-mentioned headers.

[0103] In order to enable the inlets of the plurality of heat exchange pipes 211 to communicate with the inlet headers 24 and the outlets to communicate with the outlet headers 25, the heat exchange unit 21 is further provided with a plurality of adapter pipe groups, each adapter pipe group including an adapter main pipe 2101 and an adapter branch pipe 2102, the adapter branch pipe 2102 having a plurality of adapter ends, and one end of the adapter main pipe 2101 being connected to one of the adapter ends of the adapter branch pipe 2102. The adapter pipe group includes an inlet adapter pipe group 213 and an outlet adapter pipe group 214; the other end of the adapter main pipe 2101 of the inlet adapter pipe group 213 is connected to the inlet header 24, and the remaining adapter ends of the adapter branch pipe 2102 are connected to the inlets of the plurality of heat exchange pipes 211 one by one; the other end of the adapter main pipe 2101 of the outlet adapter pipe group 214 is connected to the outlet header 25, and the remaining adapter ends of the adapter branch pipe 2102 are connected to the outlets of the plurality of heat exchange pipes 211 one by one. It can be understood that the design of the plurality of adapter ends of the adapter branch pipe 2102 simplifies the layout of the pipeline, and the plurality of pipelines that originally needed to be connected to the inlets and outlets of each heat exchange pipe 211 are integrated into the adapter branch pipe 2102, the space occupied by the complex pipeline is released, providing more possibilities for the installation of other components, making the layout of the heat exchange structure 20 more compact and reasonable.

[0104] Referring back to FIG. 4, it can be seen that a part of the plurality of heat exchange pipes 211 of each heat exchange unit 21 is a heat storage pipe 215, and the other part is a heat release pipe 216, wherein the heat storage pipe 215 is arranged to communicate with the heat source to enable the high-temperature heat exchange medium to exchange heat with the phase change material 30, thereby achieving heat storage, and the heat release pipe is arranged to communicate with the municipal waterway to enable the municipal cold water to exchange heat with the phase change material 30, thereby achieving heat release. In order to reduce the loss of heat in the transmission process and improve the thermal efficiency of the heat exchange unit 21, the heat storage pipes 215 and the heat release pipes 216 are arranged alternately, and optionally, the number of heat storage pipes 215 and the number of heat release pipes 216 are the same, and the plurality of heat storage pipes 215 and the plurality of heat release pipes 216 in each heat exchange unit 21 are arranged periodically at intervals along the first horizontal direction X, and the periodic arrangement helps to achieve uniform distribution and stable release of heat, avoiding the occurrence of local overheating or overcooling.

[0105] In the initial stage of the heat storage process, the temperature of the fluid in the heat storage tube 215 gradually decreases along the flow direction, so the heat storage tube inlet 215a is arranged at the port of the straight tube section on the upper side in the vertical direction, and the heat storage tube outlet 215b is arranged at the port of the straight tube section on the lower side in the vertical direction, so that the phase change material 30 gradually undergoes solid-liquid phase change from top to bottom in the initial stage of the heat storage process, and the phase change material 30 on the upper side of the heat exchange structure 20 can extend upward after undergoing solid-liquid phase change, avoiding damage to the heat exchange module 1. In the heat release process, the temperature of the fluid in the heat release tube 216 gradually increases along the flow direction, so the heat release tube inlet 216a is arranged at the port of the straight tube section on the lower side in the vertical direction, and the heat release tube outlet 216b is arranged at the port of the straight tube section on the upper side in the vertical direction, so that the temperature change trend from top to bottom in the heat exchange structure 20 remains consistent. This arrangement also allows the phase change material 30 on the lower side of the heat exchange structure 20 to preferentially convert from liquid to solid in the later stage of the heat release process.

[0106] Some of the multiple groups of adapter tubes are heat storage adapter tube groups, and the other groups are heat release adapter tube groups. The multiple heat storage tube inlets 215a are connected to one of the inlet headers 24 through one of the heat storage adapter tube groups, and the heat storage tube outlets 215b are connected to one of the outlet headers 25 through another heat storage adapter tube group, to form a heat storage flow path. The heat storage flow path is connected to a heat source through an inlet main pipe 22 and an outlet main pipe 23, and the heat source supplies high-temperature heat exchange medium to the heat storage flow path, so that the high-temperature heat exchange medium exchanges heat with the phase change material 30 and causes the phase change material 30 to undergo phase change and store heat, achieving heat storage of the heat exchange module 1. The multiple heat release tube inlets 216a are connected to another inlet header 24 through a group of heat release adapter tubes, and the heat release tube outlets 216b are connected to another outlet header 25 through another group of heat release adapter tubes, to form a heat release flow path. The heat release flow path is connected to a municipal waterway through an inlet main pipe 22 and an outlet main pipe 23, and the cold water in the municipal waterway flows through the heat release flow path to absorb heat from the phase change material 30, causing the phase change material 30 to undergo reverse phase change and release heat, achieving heat release of the heat exchange module 1.

[0107] Referring to Fig. 10, which is a top view of Fig. 8, the inlet manifold 22 includes a heat storage inlet manifold 221 and a heat release inlet manifold 222, the heat storage inlet manifold 221 being connected to the inlet header 24 of the heat storage flow path, and the heat release inlet manifold 222 being connected to the inlet header 24 of the heat release flow path. The outlet manifold 23 includes a heat storage outlet manifold 231 and a heat release outlet manifold 232, the heat storage outlet manifold 231 being connected to the outlet header 25 of the heat storage flow path, and the heat release outlet manifold 232 being connected to the outlet header 25 of the heat release flow path. The heat storage inlet manifold 221 and the heat storage outlet manifold 231 are oppositely arranged along the second horizontal direction Y, and the heat release inlet manifold 222 and the heat release outlet manifold 232 are oppositely arranged along the second horizontal direction Y. In order to ensure the consistency of the temperature variation trend in the heat exchange module 1, along the second horizontal direction Y, the heat storage inlet manifold 221 and the heat release outlet manifold 232 are located on the same side, and the heat storage inlet manifold 221 is located on the opposite side of the heat release outlet manifold 232, and the heat storage outlet manifold 231 and the heat release inlet manifold 222 are located on the same side, and the heat release inlet manifold 222 is located on the opposite side of the heat storage outlet manifold 231.

[0108] Referring to Fig. 11, which is a front view of Fig. 8, the adapter main pipe 2101 of each adapter pipe group includes a vertical segment and a horizontal segment arranged at an angle, and the vertical segment extends along the vertical direction. In the initial stage of the heat storage process, the temperature of the heat storage pipe outlet 215b is lower than the temperature of the heat storage pipe inlet 215a, in order to reduce the influence of the heat storage adapter pipe group connected to the heat storage pipe outlet 215b on the heat conduction part and the phase change material 30 in the heat conduction space 210, along the second horizontal direction Y, the vertical segment of the adapter main pipe 2101 on the side of the heat storage pipe inlet 215a is located on the side close to the heat conduction part of the vertical segment of the adapter main pipe 2101 on the side of the heat storage pipe outlet 215b. Along the vertical direction Z, the vertical segment of the adapter main pipe 2101 on the side of the heat storage pipe inlet 215a is located below the vertical segment of the adapter main pipe 2101 on the side of the heat storage pipe outlet 215b.

[0109] Similarly, the temperature of the heat release pipe inlet 216a is lower than the temperature of the heat release pipe outlet 216b, in order to reduce the influence of the heat release adapter pipe group connected to the heat release pipe inlet 216a on the heat conduction part and the phase change material 30 in the heat conduction space 210, along the second horizontal direction Y, the vertical segment of the adapter main pipe 2101 on the side of the heat release pipe inlet 216a is located on the side away from the heat conduction part of the vertical segment of the adapter main pipe 2101 on the side of the heat release pipe outlet 216b; along the vertical direction, the vertical segment of the adapter main pipe 2101 on the side of the heat release pipe inlet 216a is located above the vertical segment of the adapter main pipe 2101 on the side of the heat release pipe outlet 216b.

[0110] The multiple adapter ends of the adapter branch pipe 2102 include a first adapter end 2102a and multiple second adapter ends 2102b, and the first adapter end 2102a is connected with the adapter main pipe 2101. Please refer to FIG. 12, which is a structural schematic diagram of an adapter branch pipe 2102 according to an embodiment of the present application. The axial direction of the first adapter end 2102a is arranged at an angle with the axial direction of the second adapter end 2102b. In this way, the adapter branch pipe 2102 is arranged on one side of the heat conduction part along the second horizontal direction Y and is connected with the multiple heat exchange pipes 211 at the outlet.

[0111] Please refer to FIG. 13 and FIG. 14, FIG. 13 is a schematic diagram of the installation structure of another adapter branch pipe 2102 according to an embodiment of the present application, and FIG. 14 is a structural schematic diagram of another adapter branch pipe 2102 according to an embodiment of the present application. Optionally, the axial direction of the first adapter end 2102a is parallel with the axial direction of the second adapter end 2102b, and the adapter branch pipe 2102 is arranged on one side of the heat conduction part along the vertical direction Z and is connected with the multiple heat exchange pipes 211 at the outlet through a U-shaped pipe or an elbow pipe.

[0112] In an embodiment of the present application, in order to ensure the heat exchange efficiency, the material of the heat exchange pipe 211 is at least one of copper, copper alloy and stainless steel.

[0113] In another embodiment of the present application, the heat exchange between the pipe circuit of the heat exchange structure 20 and the phase change material 30 is mainly completed through the heat exchange pipe 211. In order to more effectively transfer heat and improve the heat exchange efficiency, the material of the heat exchange pipe 211 is copper, and the materials of the inlet header pipe 22, the outlet header pipe 23, the inlet manifold 24 and the outlet manifold 25 are stainless steel. The stainless steel has excellent corrosion resistance and durability and can withstand high working pressure and temperature changes.

[0114] In still another embodiment of the present application, in order to improve the heat efficiency in the heat storage process, the materials of the heat storage pipe and the adapter pipe group connected with the heat storage pipe are aluminum, and in order to improve the durability of the heat release flow path, the materials of the heat release pipe and the adapter pipe connected with the heat release pipe are stainless steel.

[0115] The fixing mode of the heat exchange unit 21 and the pipe circuit in the heat exchange structure 20 according to an embodiment of the present application will be described in detail below with reference to the accompanying drawings.

[0116] Please refer to FIG. 15-FIG. 18, FIG. 15 is a schematic diagram of the installation structure of a second limiting piece 42 according to an embodiment of the present application, FIG. 16 is an exploded structural schematic diagram of FIG. 15, FIG. 17 is a partial enlarged schematic diagram of E in FIG. 16, and FIG. 18 is a partial enlarged schematic diagram of F in FIG. 16. In an embodiment of the present application, the relative positions between the multiple heat exchange units 21 are fixed through the second limiting piece 42. Each heat exchange unit 21 further includes two side plates 217 arranged on the opposite sides of the heat conduction part along the second horizontal direction Y, and the second limiting piece 42 is connected with the side plates 217 of the multiple heat exchange units 21.

[0117] Further, the side plate 217 includes a first plate body 2171 extending along the vertical direction and a second plate body 2172 extending from an edge of the first plate body 2171 to the second horizontal direction Y. The second limiting part 42 includes a second limiting portion 421 extending along the first horizontal direction X and having a plurality of first mounting holes arranged at intervals, and a plurality of third limiting portions 422 connected at an angle to the second limiting portion 421 and arranged side by side along the first horizontal direction X. Among them, the same second limiting part 42 is connected to the side plates 217 of a plurality of heat exchange units 21 to make the plurality of heat exchange units 21 arranged at intervals, and in the same second limiting part 42, the plurality of first mounting holes of the second limiting portion 421 can be connected one by one to the second plate bodies 2172 of the side plates 217 on the same side of the plurality of heat exchange units 21, and the plurality of third limiting portions 422 can be connected one by one to the first plate bodies 2171 of the plurality of side plates 217 on the same side of the plurality of heat exchange units 21. In this way, the relative positions between the plurality of heat exchange units 21 are fixed by the second limiting part 42, and the interval distance of the plurality of first mounting holes in the second limiting portion 421 and the interval distance of the plurality of third limiting portions 422 are controlled to ensure that the plurality of heat exchange units 21 are arranged at intervals, so as to ensure the stability and position accuracy of the heat exchange unit 21.

[0118] In specific implementation, at least one of the second limiting portion 421 and the third limiting portion 422 is fixedly connected to the plurality of heat exchange units 21. Optionally, please refer to FIG. 19, which is a schematic diagram of the installation structure of another second limiting part 42 of the embodiment of the present application. The second limiting part 42 is installed on the lower side of the heat exchange structure 20 along the vertical direction, the third limiting portion 422 is fixed to the plurality of heat exchange units 21, and the second limiting portion 421 is not installed on the plurality of heat exchange units 21. The phase change material 30 can flow downward from the plurality of first mounting holes of the second limiting portion 421, which helps to improve the heat exchange efficiency.

[0119] Please refer to FIG. 20, which is a schematic diagram of the installation structure of a first limiting part 41 of the embodiment of the present application. The heat exchange module 1 further includes a plurality of first limiting parts 41, each first limiting part 41 including a first limiting portion 411 arranged side by side along the first horizontal direction X, and a plurality of first limiting portions 411 of the same first limiting part 41 being connected to the adapter main pipe 2101 of the adapter pipe group. The heat exchange structure 20 further includes a main plate connected to the plurality of heat exchange units 21 on the opposite sides along the first horizontal direction X, and the plurality of first limiting parts 41 are arranged at intervals along the second horizontal direction X, each first limiting part 41 being installed on the main plate. In this way, the relative positions of the plurality of adapter main pipes 2101 are fixed by the first limiting part 41 to avoid displacement of the adapter pipe group under stress.

[0120] Please refer to FIG. 21, which is a schematic diagram of the mounting structure of a third limiting piece 43 according to an embodiment of the present application. In order to avoid interference between the adapter pipe groups in the heat exchange structure 20 and the heat exchange shell 10, the heat exchange module 1 further comprises two third limiting pieces 43, which are connected to the opposite sides of the heat exchange structure 20 along the second horizontal direction X, and both of which are located at the bottom end of the heat exchange structure 20 along the vertical direction Z. Each third limiting piece 43 at least partially protrudes from each heat exchange unit 21 along the second horizontal direction X, so as to ensure that the multiple adapter pipe groups in each heat exchange unit 21 are spaced apart from the heat exchange shell 10, thereby preventing problems such as wear and tear and leakage caused by direct contact.

[0121] The heat exchange shell 10 of the heat exchange module 1 according to an embodiment of the present application will be described in detail below with reference to the accompanying drawings.

[0122] Please continue to refer to FIGS. 1-2. The heat exchange shell 10 comprises a first shell 11, a second shell 12, and a thermal insulation layer 13. The first shell 11 has a heat exchange space 110 inside, the heat exchange structure 20 is at least partially arranged in the heat exchange space 110, and the phase change material 30 is filled in the heat exchange space 110. The thermal insulation layer 13 is arranged between the first shell 11 and the second shell 12.

[0123] Please refer to FIGS. 22-24. FIG. 22 is a perspective structural schematic diagram of a heat exchange module 1 according to an embodiment of the present application. FIG. 23 is a structural schematic diagram of a first shell 11 according to an embodiment of the present application. FIG. 24 is an exploded structural schematic diagram of a first shell 11 according to an embodiment of the present application. The first shell 11 comprises a shell body 111, a first top plate 112, and a first bottom plate 113. The shell body 111 is in a cylindrical structure. The first top plate 112 and the first bottom plate 113 are oppositely arranged along the vertical direction Z. The first top plate 112 is connected to the upper end of the shell body 111 along the vertical direction Z. The first bottom plate 113 is connected to the lower end of the shell body 111 along the vertical direction Z. The first top plate 112, the shell body 111, and the first bottom plate 113 are sequentially connected and enclosed to define the heat exchange space 110.

[0124] In a specific implementation, the first top plate 112 comprises a top plate body and a plurality of first top plate flanges connected to the edges of the top plate body. The first bottom plate 113 comprises a bottom plate body and a plurality of first bottom plate flanges connected to the edges of the bottom plate body. The plurality of first top plate flanges and the plurality of first bottom plate flanges are connected to the shell body 111 by bolts. Alternatively, in the scenario of long-distance transportation, the plurality of first top plate flanges and the plurality of first bottom plate flanges can be connected to the shell body 111 by welding, so that the first top plate 112, the shell body 111, and the first bottom plate 113 form a firm whole, thereby effectively resisting various impacts, vibrations, and stresses that may be encountered during transportation.

[0125] In practical applications, the heat exchange module 1 is extremely likely to face a high-temperature environment during long-distance transportation, especially container transportation, so that the phase change material 30 inside the first shell 11 undergoes phase change, thereby causing the first shell 11 to deform under the action of the liquid phase change material 30. Alternatively, the first shell 11 can be made of metal material, for example, stainless steel material, to avoid damage due to stress or heat in the scenario of long-distance transportation.

[0126] Referring to FIG. 25, which is a partial enlarged view of G in FIG. 2, in order to improve the circumferential expansion of the shell body 111 caused by heating or stress in a high-temperature environment, the first shell 11 is provided with a rib plate 114 along the circumference of the shell body 111. The rib plate 114 includes a first rib plate 1141 extending along the circumference of the shell body 111 and annularly arranged on the outer wall surface of the shell body 111, and two second rib plates 1142 connected at an angle to the opposite sides of the first rib plate 1141 in the vertical direction Z. In this way, the rib plate 114 can withstand forces from different directions and resist external pressure and vibration from various directions.

[0127] Referring to FIG. 26 and FIG. 27, FIG. 26 is a partial exploded view of FIG. 3, and FIG. 27 is a partial enlarged view of H in FIG. 24. In the embodiment of the present application, the positions of the plurality of inlet headers 24 and the plurality of outlet headers 25 are fixed by the cooperative action of the first mounting member 51 and the second mounting member 52, and then the heat exchange structure 20 is installed in the first shell 11 by the third mounting member 53.

[0128] Specifically, the first mounting member 51 is plate-shaped and has a plurality of first limiting grooves arranged at intervals along the second horizontal direction Y. The second mounting member 52 has a plurality of second limiting grooves arranged at intervals along the second horizontal direction Y. The second mounting member 52 is connected to the first mounting member 51, and the plurality of first limiting grooves abut one by one below the plurality of headers, and the plurality of second limiting grooves abut one by one above the plurality of headers. In this way, the plurality of first limiting grooves and the plurality of second limiting grooves cooperate to fix the plurality of headers, and then the first mounting member 51 and the second mounting member 52 cooperate to fix the plurality of inlet headers 24 and the plurality of outlet headers 25, avoiding relative displacement due to vibration, temperature change or other external factors during operation, thereby ensuring the stability and reliability of the overall structure of the heat exchange module 1.

[0129] The first mounting member 51 includes two, and the second mounting member 52 includes two. The two first mounting members 51 are connected one by one to the two main plates, and the two second mounting members are connected one by one to the two first mounting members, so that the plurality of headers can be fixed from both ends.

[0130] Further, the second mounting member 52 further comprises a first mounting flange 521, and the third mounting member 53 comprises a mounting plate 531 and a second mounting flange 532 connected to the mounting plate 531 at an angle, wherein the mounting plate 531 is connected to the inner wall surface of the housing body 111, and the first mounting flange 521 is mounted to the second mounting flange 532. In this way, the third mounting member 53 is connected to the inner wall of the first housing 11 and connected to the second mounting member 52, so that the heat exchange structure 20 is mounted in the first housing 11.

[0131] It should be noted that the third mounting member 53 is connected to the housing body 111 near the first top plate 112, so that the heat exchange structure 20 is arranged spaced apart from the first bottom plate 113 after being mounted, so as to provide a flow space for the phase change material 30.

[0132] In an embodiment of the present application, the first top plate 112 of the first housing 11 has a plurality of first through holes, and the plurality of inlet headers 22 and the plurality of outlet headers 23 extend upward along the vertical direction Z and are correspondingly arranged through the plurality of first through holes, so as to extend out of the first housing 11 and be connected to the pipeline of the heat source or the municipal water pipeline.

[0133] Please refer to FIG. 28, which is an exploded structural schematic diagram of a second housing 12 according to an embodiment of the present application. The second housing 12 comprises a second top plate 121, a second bottom plate 122 and a plurality of side plates 123. The plurality of side plates 123 are arranged around the periphery of the housing body 111, the second top plate 121 is arranged above the first top plate 112 and connected to the upper ends of the plurality of side plates 123, and the second bottom plate 122 is arranged below the first bottom plate 113 and connected to the lower ends of the plurality of side plates 123. Among them, one of the plurality of side plates 123 is provided with a wiring hole and a plurality of second through holes, and the pipeline of the heat source and the municipal water pipeline extend into the second housing 12 through the plurality of second through holes, so as to be connected to the inlet headers 22 and the outlet headers 23.

[0134] Please refer to FIG. 28-FIG. 29, which is a structural schematic diagram of a relief portion 1234 according to an embodiment of the present application. It should be noted that the adjacent side plates 123 in the second housing 12 are connected by bolts, and part of the material of the thermal insulation layer 13 is relatively brittle. In order to avoid damage to the thermal insulation layer 13 caused by the bolts, the mounting hole corresponding to the bolt in the second housing 12 is provided with a relief portion 1234, so as to avoid the direct contact of the bolt with the thermal insulation layer 13 and generate pressure on the thermal insulation layer 13, causing the thermal insulation layer 13 to be broken or damaged under stress.

[0135] The side plate 123 comprises a plate body 1231, and for two adjacent side plates 123, one of the side plates 123 further comprises a third mounting flange 1232 connected to the plate body 1231 at an angle, the third mounting flange 1232 is provided with a mounting hole, and the plate body 1231 of the other side plate 123 is correspondingly provided with a mounting hole, so that the third mounting flange 1232 is connected to the outer wall surface of the plate body 1231 of the other side plate 123 by a bolt. The other side plate 123 further comprises a fourth mounting flange 1233 connected to the plate body 1231, and the fourth mounting flange 1233 has a clearance portion 1234, which is located on the side of the plate body 1231 away from the third mounting flange 1232 and is parallel and spaced apart from the plate body 1231, and the clearance portion 1234 is provided corresponding to the third mounting flange 1232 and the mounting hole of the plate body 1231 of the other side plate 123.

[0136] As shown in FIG. 28, the fourth mounting flange 1233 has a plurality of clearance portions 1234, which are respectively provided opposite to a plurality of mounting holes of the plate body 1231. Alternatively, the fourth mounting flange 1233 can also be provided with one clearance portion 1234 extending from top to bottom, which is provided opposite to a plurality of mounting holes of the plate body 1231.

[0137] In the second shell 12 as shown in FIG. 28, the two side plates 123 arranged opposite along the second horizontal direction Y both have two fourth mounting flanges 1233, and the two side plates 123 arranged opposite along the first horizontal direction X both have two third mounting flanges 1232, so that each corner position is provided with a clearance portion 1234 after the four side plates 123 are connected and enclosed. In some other embodiments, each side plate 123 is respectively provided with one third mounting flange 1232 and one fourth mounting flange 1233 on opposite sides along the horizontal direction, so that each corner position is also provided with a clearance portion 1234 after the four side plates 123 are connected and enclosed, achieving the effect of protecting the thermal insulation layer 13.

[0138] In an embodiment of the present application, the second top plate 121 and the second bottom plate 122 and the plurality of side plates 123 are also connected by bolts, wherein the second top plate 121 is spaced far away from the first top plate 112 to leave installation positions for the inlet manifold 22 and the outlet manifold 23 and the external pipeline, and the damage of the bolts to the thermal insulation layer 13 does not need to be considered. The second bottom plate 122 has a second bottom plate flange extending towards the direction away from the thermal insulation layer 13, and the second bottom plate flange is bolted to the side plate 123 to avoid the contact of the bolt with the thermal insulation layer 13.

[0139] Figure 30 is a partial enlarged view of I in Figure 28, and Figure 31 is a partial enlarged view of J in Figure 2. In combination with Figure 24, Figure 30 and Figure 31, it can be seen that the first shell 11 and the second shell 12 are connected by the fourth mounting member 54 and the first support member 55. The fourth mounting member 54 is connected between the first top plate 112 and the side plate 123 to form a stable connection between the first shell 11 and the second shell 12. The first support member 55 is connected between the first bottom plate 113 and the second bottom plate 122 to further fix the position of the first shell 11 relative to the second shell 12 and provide support for the first shell 11.

[0140] Specifically, one end of the fourth mounting member 54 is connected to the top of the second shell 12, and the other end is connected to the outer wall of the first shell 11 to mount the first shell 11 in the second shell 12. The heat exchange module 1 further comprises a positioning member 56 provided on the side of the side plate 123 facing the shell body 111. The positioning member 56 is connected to the side plate 123 and forms a clamping groove therebetween to provide a clear positioning point for the installation of the fourth mounting member 54 and guide the accurate positioning of the fourth mounting member 54. In actual installation, after the installer connects one end of the fourth mounting member 54 to the first shell 11, the other end is clamped in the clamping groove to achieve preliminary alignment and fixation, thereby enabling quick and accurate connection of the fourth mounting member 54 and the side plate 123, and eliminating the need to continuously hold the first shell 11, which helps to reduce the labor intensity of the installer.

[0141] The first support member 55 comprises a first support portion 551, two second support portions 552 and two third support portions 553. The first support portion 551 extends in the third direction and is parallel to the plate surface of the first bottom plate 113 and mounted to the outer wall surface of the first bottom plate 113. The two second support portions 552 are respectively connected to the opposite sides of the first support portion 551 along the first horizontal direction X. The second support portion 552 is connected at an angle to the first support portion 551. The two third support portions 553 are respectively connected to the sides of the two second support portions 552 away from the first support portion 551. The third support portion 553 is parallel to the plate surface of the second bottom plate 122 and is arranged to be mounted to the inner wall surface of the second bottom plate 122. In the present embodiment, the heat exchange module 1 comprises two first support members 55 arranged opposite to each other along the second horizontal direction Y to form stable and balanced support for the first shell 11.

[0142] Please refer to Fig. 1 and Fig. 32, which is a local enlarged schematic view of K in Fig. 2, the heat exchange module 1 of the present application further comprises two second support members 57, which are installed on the bottom of the second shell 12 to facilitate the installation of the second shell 12 in the installation environment. The second support member 57 comprises a fourth support portion 571, a fifth support portion 572 and a sixth support portion 573. The fourth support portion 571 extends along the third direction, and is parallel to the plate surface of the second bottom plate 122 and is installed on the outer wall surface of the second bottom plate 122. The close contact between the fourth support portion 571 and the second bottom plate 122 is conducive to dispersing and transmitting stress. The fifth support portion 572 is connected to one side of the fourth support portion 571 along the second horizontal direction Y at an angle. The sixth support portion 573 is connected to the side of the fifth support portion 572 away from the fourth support portion 571, and extends along the first horizontal direction X and is arranged in parallel and spaced apart from the fourth support portion 571. It should be noted that the sixth support portion 573 is arranged to be installed in the installation environment, and the plate surface of the sixth support portion 573 is wider, which provides a larger contact area to increase the installation stability with the installation environment, and helps to reduce the pressure of the plate surface.

[0143] Please refer to Fig. 33, which is an exploded structural schematic view of a heat preservation layer 13 according to an embodiment of the present application. In the embodiment of the present application, the heat preservation layer 13 comprises a first heat preservation layer 131 and a second heat preservation layer 132. The first heat preservation layer 131 is connected to the outer wall surface of the first shell 11, and the second heat preservation layer 132 is connected to the side of the first heat preservation layer 131 away from the first shell 11. The hardness of the second heat preservation layer 132 is greater than that of the first heat preservation layer 131, and the heat preservation coefficient of the second heat preservation layer 132 is greater than that of the first heat preservation layer 131.

[0144] Optionally, the first heat preservation layer 131 can be made of a three-element ethylene-propylene rubber foamed sponge, and the second heat preservation layer 132 can be made of a vacuum insulation panel.

[0145] Continuing to refer to Fig. 33, it can be seen that the first heat preservation layer 131 and the second heat preservation layer 132 are provided with avoiding holes corresponding to the plurality of inlet manifolds 22 and the plurality of outlet manifolds 23, and are also provided with avoiding holes corresponding to the lines.

[0146] In an embodiment of the present application, the second heat preservation layer 132 is provided with a relief groove 1320 corresponding to the corner of the second shell 12, the relief groove 1320 extends along the vertical direction Z, and the relief space is formed between the relief groove 1320 and the corner. It can be understood that the corner between the adjacent side plates 123 in the second shell 12, and the plurality of relief portions 1234 are located near the corner, therefore, the relief groove 1320 in the second heat preservation layer 132 leaves space for the bolt and the relief portion 1234 to avoid interference. In a specific implementation, the second heat preservation layer 132 includes a plurality of heat preservation plates, and a part of the heat preservation plates are provided with the above-mentioned relief groove 1320, the depth of the relief groove 1320 is less than the thickness of the heat preservation plate, so as to avoid excessive weakening of the heat insulation performance of the second heat preservation layer 132 near the relief groove 1320.

[0147] The embodiment of the present application also provides a heating and ventilation system, which comprises the heat exchange module 1, a heat source module, a water using module and a heating module. The heat source module is the energy core of the heating and ventilation system, and is responsible for generating heat and delivering the generated heat to other modules of the heating and ventilation system. The heat source module is connected with the heat exchange module 1 to deliver heat to the phase change material 30 through the heat exchange pipe 211 to charge; the water using module is connected with the heat exchange module 1 to receive the heat supplied by the phase change material 30 of the heat exchange module 1 and provide hot water for users. The heating module is connected with the heat source module through the heat transfer pipe, and is arranged to receive the heat of the heat source module to provide heating for users.

[0148] In the embodiment of the present application, the heating and ventilation system has a first working mode and a second working mode. In the first working mode of the heating and ventilation system, the user has no heating demand, the heat source module is communicated with the heat exchange module 1, and the hot water of the heat source module only flows to the heat exchange module 1 to provide heat for the water using module through the heat exchange module 1; in the second working mode of the heating and ventilation system, the user has heating demand, the heat exchange module 1 is in the state, and the heat source module is communicated with the heating module to provide heat for the heating module. The hot water of the heat source module only flows to the heating module and does not charge the heat exchange module 1.

[0149] Further, the heat exchange module 1 has a charging mode and a discharging mode. When the heat exchange module 1 reaches the starting charging condition, the heat storage flow path is communicated with the pipe of the heat source module, and the phase change material 30 in the heat exchange module 1 is charged and stored by using the heat provided by the heat source module. According to the user demand, the heat release flow path is communicated with the municipal water pipe, and the water in the heat release flow path is heated by using the heat storage of the phase change material 30 to meet the water demand of the user. The charging mode and the discharging mode can be performed separately or simultaneously.

[0150] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application. Any equivalent structural transformation, direct / indirect application in other related technical fields, or the like, which is made based on the contents of the present application and the drawings, is included in the patent protection scope of the present application.

Claims

1. A heat exchange module, wherein, The heat exchange module comprises: a heat exchange shell having a heat exchange space inside; a heat exchange structure arranged at least partially in the heat exchange space, the heat exchange structure comprising a plurality of heat exchange units arranged along a first horizontal direction, each of the heat exchange units comprising a plurality of heat exchange pipes and a heat conduction part connected to the plurality of heat exchange pipes; and a phase change material filled in the heat exchange shell and at least partially immersing the heat exchange structure. The heat conduction part comprises a plurality of fins arranged along a second horizontal direction, the second horizontal direction being perpendicular to the first horizontal direction, each of the fins extending along a vertical direction, and a heat conduction space extending along the vertical direction being formed between adjacent two fins, the heat conduction space being filled with the phase change material. The heat exchange shell further has a filling inlet, the filling inlet being in communication with the heat exchange space, and the phase change material entering the heat exchange space through the filling inlet.

2. The heat exchange module of claim 1, wherein, In the vertical direction, the filling inlet is located above the heat exchange units.

3. The heat exchange module according to claim 1 or 2, wherein the heat exchange structure comprises a plurality of inlet headers and a plurality of outlet headers; each of the inlet headers is in communication with the inlets of the heat exchange pipes of the plurality of heat exchange units; each of the outlet headers is in communication with the outlets of the heat exchange pipes of the plurality of heat exchange units; wherein, in the vertical direction, the inlet headers and the outlet headers are both located above the plurality of heat exchange units and are installed on the heat exchange shell. The heat exchange structure further comprises a plurality of inlet manifold headers in one-to-one correspondence with the plurality of inlet headers, and a plurality of outlet manifold headers in one-to-one correspondence with the plurality of outlet headers; 4. The heat exchange module of claim 3, wherein, the inlet manifold headers are in communication with the inlets of the heat exchange pipes of the plurality of heat exchange units; the outlet manifold headers are in communication with the outlets of the heat exchange pipes of the plurality of heat exchange units; wherein, in the vertical direction, the inlet manifold headers and the outlet manifold headers are both located above the plurality of heat exchange units. The plurality of inlet manifold headers and the plurality of outlet manifold headers respectively extend along the first horizontal direction and are arranged side by side along a second horizontal direction.

5. The heat exchange module of claim 4, wherein, In the second horizontal direction, the plurality of inlet headers and the plurality of outlet headers are arranged staggered.

6. The heat exchange module of claim 3, wherein, 7. The heat exchange module according to claim 3, wherein each of the heat exchange units further comprises a plurality of adapter pipe groups, each of the adapter pipe groups comprising an adapter main pipe and an adapter branch pipe, the adapter branch pipe having a plurality of adapter ends, and one end of the adapter main pipe being connected to one of the adapter ends of the adapter branch pipe; the adapter pipe groups comprise inlet adapter pipe groups and outlet adapter pipe groups; the adapter main pipe of the inlet adapter pipe groups has the other end connected to the inlet manifold headers, and the remaining adapter ends of the adapter branch pipes are connected to the inlets of the plurality of heat exchange pipes in one-to-one correspondence; the adapter main pipe of the outlet adapter pipe groups has the other end connected to the outlet manifold headers, and the remaining adapter ends of the adapter branch pipes are connected to the outlets of the plurality of heat exchange pipes in one-to-one correspondence. A part of the plurality of heat exchange pipes of the heat exchange units are heat storage pipes, and the other part are heat release pipes, a part of the plurality of adapter pipe groups are heat storage adapter pipe groups, and the other part are heat release adapter pipe groups.

8. The heat exchange module of claim 7, wherein, ​ The heat storage pipe inlets of the plurality of heat storage pipes are communicated with one of the inlet headers through one set of the heat storage adapter pipe groups, and the heat storage pipe outlets are communicated with one of the outlet headers through another set of the heat storage adapter pipe groups, so as to form a heat storage flow path; The heat release pipe inlets of the plurality of heat release pipes are communicated with the other inlet header through one set of the heat release adapter pipe groups, and the heat release pipe outlets are communicated with the other outlet header through another set of the heat release adapter pipe groups, so as to form a heat release flow path.

9. The heat exchange module of claim 8, wherein, The heat exchange module satisfies one of the following conditions: (1) The material of the heat exchange pipe is at least one of copper, copper alloy and stainless steel; (2) The material of the heat exchange pipe is copper, and the materials of the inlet header, the outlet header, the inlet header and the outlet header are stainless steel; (3) The materials of the heat storage pipe and the adapter pipe groups connected to the heat storage pipe are aluminum, and the materials of the heat release pipe and the adapter pipe groups connected to the heat release pipe are stainless steel.

10. The heat exchange module according to claim 8, wherein The adapter main pipe of each adapter pipe group comprises a vertical segment and a horizontal segment arranged at an angle, and the vertical segment extends in the vertical direction; In the second horizontal direction, the vertical segment of the adapter main pipe on the heat storage pipe inlet side is located on the side close to the heat conduction part of the vertical segment of the adapter main pipe on the heat storage pipe outlet side; in the vertical direction, the vertical segment of the adapter main pipe on the heat storage pipe inlet side is located below the vertical segment of the adapter main pipe on the heat storage pipe outlet side; In the second horizontal direction, the vertical segment of the adapter main pipe on the heat release pipe inlet side is located on the side away from the heat conduction part of the vertical segment of the adapter main pipe on the heat release pipe outlet side; in the vertical direction, the vertical segment of the adapter main pipe on the heat release pipe inlet side is located above the vertical segment of the adapter main pipe on the heat release pipe outlet side.

11. The heat exchange module according to claim 7, wherein The plurality of adapter ends of the adapter branch pipe comprise a first adapter end and a plurality of second adapter ends, and the first adapter end is connected with the adapter main pipe; The axial direction of the first adapter end is parallel to the axial direction of the second adapter end; or The axial direction of the first adapter end is arranged at an angle with the axial direction of the second adapter end. The heat exchange structure further comprises a plurality of first limiting members, each first limiting member comprises a first limiting part arranged side by side in the first horizontal direction, and the plurality of first limiting parts of the same first limiting member are connected with the adapter main pipes of the plurality of adapter pipe groups.

12. The heat exchange module of claim 7, wherein, The phase change material comprises the following components:

13. The heat exchange module of claim 1, wherein, 90wt.%-95wt.% of sodium acetate trihydrate, 1wt.%-4wt.% of sodium phosphate dibasic dodecahydrate, 0.5wt.%-1.5wt.% of carboxymethyl cellulose and 0.2wt.%-1.5wt.% of perlite. Among the plurality of fins arranged at intervals in the second horizontal direction, the preset interval L between adjacent two fins is the same.

14. The heat exchange module of claim 1, wherein, ​ 15. The heat exchange module of claim 1, wherein, A plurality of the heat exchange units are sequentially and spacedly arranged along a first horizontal direction, and a gap space is formed between two adjacent heat exchange units, and the gap space extends along a second horizontal direction; Each of the heat exchange units has a plurality of heat conduction spaces sequentially and spacedly arranged along a second horizontal direction, and each of the heat conduction spaces extends along a first horizontal direction, and the fins of the same position in the plurality of heat exchange units are located in the same vertical plane along the second horizontal direction; The heat exchange structure further comprises a plurality of inlet headers and a plurality of outlet headers in communication with the plurality of heat exchange pipes.

16. The heat exchange module of claim 1, wherein, The fins are flat fins extending along a vertical direction.

17. The heat exchange module of claim 1, wherein, The heat exchange unit further comprises two side plates arranged on opposite sides of the heat conduction part along the second horizontal direction, and the side plates comprise a first plate body and a second plate body, the first plate body extends along a vertical direction, and the second plate body extends from the edge of the first plate body to the second horizontal direction; The heat exchange module further comprises a second limiting member, and the second limiting member comprises a second limiting part and a plurality of third limiting parts, the second limiting part extends along the first horizontal direction and has a plurality of first mounting holes arranged at intervals, and the plurality of third limiting parts are connected at an angle to the second limiting part and arranged side by side along the first horizontal direction; The same second limiting member is connected to the side plates of the plurality of heat exchange units, and the plurality of heat exchange units are arranged at intervals, and in the same second limiting member: The plurality of first mounting holes of the second limiting part are connected one by one to the second plate bodies of the side plates on the same side of the plurality of heat exchange units, and / or The plurality of third limiting parts are connected one by one to the first plate bodies of the plurality of side plates on the same side of the plurality of heat exchange units.

18. The heat exchange module of claim 1, wherein, The heat exchange module further comprises two third limiting members, and the two third limiting members are connected to opposite sides of the heat exchange structure along the second horizontal direction, and the two third limiting members are located at the bottom end of the heat exchange structure along the vertical direction; Each of the third limiting members at least partially protrudes from each of the heat exchange units along the second horizontal direction.

19. The heat exchange module of claim 1, wherein, The heat exchange shell comprises: A first shell having the heat exchange space inside; A second shell arranged outside the first shell; and An insulation layer arranged between the first shell and the second shell.

20. The heat exchange module of claim 19, wherein, The first shell comprises a shell body, a first top plate and a first bottom plate arranged opposite along a vertical direction, and the shell body is in a cylindrical structure; Along the vertical direction, one end of the shell body is connected to the first top plate, and the other end is connected to the first bottom plate, and the first top plate, the shell body and the first bottom plate jointly define the heat exchange space.

21. The heat exchange module of claim 20, wherein, The heat exchange structure further comprises a plurality of inlet headers and a plurality of outlet headers in communication with the plurality of heat exchange pipes; The first top plate has a plurality of first through holes, wherein the heat exchange pipes are arranged in the heat exchange space, and the plurality of inlet headers and the plurality of outlet headers are correspondingly arranged in the plurality of first through holes.

22. The heat exchange module of claim 21, wherein, The heat exchange module further comprises: A first mounting member connected to the heat exchange unit, the first mounting member having a plurality of first limiting grooves; A second mounting member connected to the first mounting member, the second mounting member having a plurality of second limiting grooves corresponding to the first limiting grooves, and the second limiting grooves correspondingly clamping the plurality of inlet headers and the plurality of outlet headers in the plurality of first limiting grooves.

23. The heat exchange module of claim 22, wherein, The second mounting member further has a first mounting flange; The heat exchange module further comprises a third mounting member, the third mounting member comprising a mounting plate and a second mounting flange, the mounting plate being connected to the inner wall surface of the housing body, the second mounting flange being connected to the mounting plate, and the first mounting flange being mounted on the second mounting flange.

24. The heat exchange module of claim 20, wherein, The first housing further comprises a rib plate, the rib plate comprising: A first rib plate connected to the outer wall surface of the housing body and extending along the circumference of the housing body; and A second rib plate connected to the opposite sides of the first rib plate in the vertical direction, the second rib plate being connected at an angle to the first rib plate.

25. The heat exchange module of claim 20, wherein, The second housing comprises: A plurality of side plates surrounding the periphery of the housing body; A second top plate arranged above the first top plate and connected to the upper ends of the plurality of side plates; and A second bottom plate arranged below the second bottom plate and connected to the lower ends of the plurality of side plates.

26. The heat exchange module of claim 25, wherein, The side plate has a plate body, and adjacent two side plates are bolted together; Adjacent two side plates, wherein one of the side plates further comprises a third mounting flange connected at an angle to the plate body thereof, the third mounting flange being provided with a second mounting hole, and the third mounting flange being mounted on the outer wall surface of the plate body of the other side plate through the second mounting hole; The other side plate further comprises a fourth mounting flange connected to the plate body thereof, the fourth mounting flange having a clearance portion, the clearance portion being parallel and spaced apart from the plate body of the other side plate, and corresponding to the mounting hole of the third mounting flange.

27. The heat exchange module of claim 19, wherein, The heat preservation layer comprises: A first heat preservation layer connected to the outer wall surface of the first housing; and A second heat preservation layer connected to the side of the first heat preservation layer away from the first housing; Wherein, the hardness of the second heat preservation layer is greater than the hardness of the first heat preservation layer, and the heat preservation coefficient of the second heat preservation layer is greater than the heat preservation coefficient of the first heat preservation layer.

28. The heat exchange module of claim 27, wherein, The second housing comprises a plurality of side plates, and adjacent two side plates are connected and the connection of the two forms a corner; The second heat preservation layer is provided with a clearance groove corresponding to the corner, the clearance groove extending in the vertical direction and forming a clearance space with the corner.

29. The heat exchange module of claim 25, wherein, The heat exchange housing further comprises: A positioning member arranged on the side of the side plate facing the housing body, the positioning member being connected to the side plate and forming a clamping groove with the side plate; A fourth mounting member having one end mounted on the outer wall surface of the first top plate and the other end clamped in the clamping groove and connected to the side plate.

30. The heat exchange module of claim 25, wherein, The heat exchange shell further comprises a first support member, which comprises: a first support portion parallel to the plate surface of the first bottom plate and mounted to the outer wall surface of the first bottom plate, the first support portion extending along a first horizontal direction; two second support portions respectively connected to opposite sides of the first support portion along the first horizontal direction, the second support portions being connected to the first support portion at an angle; and two third support portions respectively connected to one side of the two second support portions away from the first support portion, the third support portions being parallel to the plate surface of the second bottom plate and arranged to be mounted to the inner wall surface of the second bottom plate.

31. The heat exchange module of claim 25, wherein, The shell further comprises a second support member, which comprises: a fourth support portion parallel to the plate surface of the second bottom plate and mounted to the outer wall surface of the second bottom plate, the fourth support portion extending along a first horizontal direction; a fifth support portion connected to one side of the fourth support portion along the second horizontal direction at an angle; and a sixth support portion connected to one side of the fifth support portion away from the fourth support portion, the sixth support portion extending along the first horizontal direction and being arranged in parallel with the fourth support portion at a spacing.

32. A heating and ventilation system wherein, The heating and ventilation system comprises a heat source module and the heat exchange module, the heat exchange module comprising: a heat exchange shell having a heat exchange space inside; a heat exchange structure at least partially arranged in the heat exchange space, the heat exchange structure comprising a plurality of heat exchange units arranged along a first horizontal direction, each heat exchange unit comprising a plurality of heat exchange pipes and a heat conduction portion connected to the plurality of heat exchange pipes; and a phase change material filled in the heat exchange shell and at least partially immersing the heat exchange structure; the heat conduction portion comprising a plurality of fins arranged at a spacing along a second horizontal direction, the second horizontal direction being perpendicular to the first horizontal direction, each fin extending along a vertical direction, and a heat conduction space extending along the vertical direction being formed between adjacent two fins, the heat conduction space being filled with the phase change material; wherein the heat source module and the heat exchange module are connected, and heat generated by the heat source module is transferred to the phase change material of the heat exchange structure for charging.

33. The heating system of claim 32, wherein, The heating and ventilation system further comprises an energy consumption module, the energy consumption module being connected to the heat exchange module, and the energy consumption module receiving heat supplied by the phase change material of the heat exchange module.

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