Mounting structure, heat exchanger assembly and heat storage device

Abstract

The utility model discloses a mounting structure, a heat exchanger assembly and a heat storage device, and relates to the technical field of heat exchange equipment, a first connecting piece and a second connecting piece are arranged at the bottom and the top of a plurality of sub heat exchangers correspondingly, and the first connecting piece comprises a first plate body and a plurality of first fixing parts; the second connecting piece comprises a second plate body and a plurality of second fixing parts, one first fixing part can be connected with the bottom of one sub heat exchanger, and one second fixing part can be connected with the top of one sub heat exchanger; therefore, the multiple sub heat exchangers can be sequentially connected together at intervals through the multiple first fixing parts and the multiple second fixing parts to be assembled into the heat exchanger assembly, the gap between every two adjacent sub heat exchangers is limited, and the multiple sub heat exchangers are assembled into a whole; and the distance between every two adjacent first fixing parts and the distance between every two adjacent second fixing parts are set, so that the size of a gap between every two adjacent sub heat exchangers can be easily controlled.

Description

Technical Field

[0001] This application relates to the technical field of heat exchange equipment, and particularly to an installation structure, a heat exchanger assembly, and a heat storage device. Background Art

[0002] Currently, in a phase change heat storage device, the heat exchanger assembly has a significant impact on the filling efficiency and heat storage performance of the phase change material. When the heat exchanger assembly is designed as an integral structure, its heat storage performance can often reach the optimal state. However, due to the lack of reserved gaps in the integral design, the filling process of the phase change material will be restricted to a certain extent, thus affecting the filling efficiency.

[0003] In the related art, the heat exchanger assembly is usually split into multiple sub-heat exchangers, and appropriate gaps are reserved between adjacent sub-heat exchangers, making the filling process of the phase change material smoother and improving the filling efficiency. However, the gap size between two adjacent sub-heat exchangers is not easy to control. An overly large gap may lead to a decline in heat storage performance, while an overly small gap may hinder the smooth filling of the phase change material and reduce the filling efficiency. Summary of the Utility Model

[0004] The embodiments of this application provide an installation structure, a heat exchanger assembly, and a heat storage device, which can solve the technical problem that the gap size between two adjacent sub-heat exchangers is not easy to control.

[0005] In a first aspect, the embodiments of this application provide an installation structure for connecting multiple sub-heat exchangers arranged at intervals along a first direction. The installation structure includes a first connecting member and a second connecting member. The first connecting member is disposed at the bottom of the sub-heat exchanger, and the first connecting member includes a first plate body and a plurality of first fixing portions provided on the first plate body. The plurality of first fixing portions are arranged at intervals along the first direction. The first fixing portion corresponds to and is connected to the corresponding sub-heat exchanger. The second connecting member is disposed at the top of the sub-heat exchanger, and the second connecting member includes a second plate body and a plurality of second fixing portions provided on the second plate body. The plurality of second fixing portions are arranged at intervals along the first direction. The second fixing portion is connected to the corresponding sub-heat exchanger.

[0006] In some of these embodiments, the first fixing portion includes a first fixing plate, the first fixing plate is connected to the first plate body at an angle, and the first fixing plate is provided with a first fixing hole for connecting to the bottom of the sub-heat exchanger; the second fixing portion includes a second fixing plate, the second fixing plate is connected to the second plate body at an angle, and the second fixing plate is provided with a second fixing hole for connecting to the top of the sub-heat exchanger.

[0007] In some of these embodiments, the multiple first fixing holes are arranged in one-to-one correspondence with the multiple second fixing holes.

[0008] In some of these embodiments, the second connecting member further includes a hanging plate, the hanging plate is connected to the second plate body at an angle, and a hook hole is provided on the hanging plate.

[0009] In some of these embodiments, the mounting structure further includes a hook member, one end of the hook member is provided with a hook portion, the hook portion is hooked with the hook hole, and the other end of the hook member is provided with a lifting hole.

[0010] In some of these embodiments, the hook hole is located between two adjacent second fixing portions.

[0011] In a second aspect, an embodiment of the present application provides a heat exchanger assembly, which includes a plurality of sub-heat exchangers, the mounting structure as described above, and a pipeline structure. The plurality of sub-heat exchangers are arranged in parallel at intervals along the first direction. The top and the bottom of the sub-heat exchanger are arranged opposite to each other along the second direction. Each sub-heat exchanger has a plurality of heat exchange flow paths. Each heat exchange flow path is formed with a plurality of bending loops along the second direction, and the plurality of bending loops are reciprocally bent along the third direction, wherein the first direction, the second direction, and the third direction are perpendicular to each other. The mounting structure connects the plurality of sub-heat exchangers. The pipeline structure includes a header pipe and a delivery pipe. The header pipe is arranged at the top of the plurality of sub-heat exchangers. One end of the delivery pipe is communicated with the header pipe, and the other end of the delivery pipe is communicated with the corresponding heat exchange flow path.

[0012] In some of these embodiments, the sub-heat exchanger is formed with opposite first and second sides along the third direction. The bottom of the first side of each sub-heat exchanger is connected to the first connecting member, the top of the first side of each sub-heat exchanger is connected to the second connecting member, the bottom of the second side of each sub-heat exchanger is connected to another first connecting member, and the top of the second side of each sub-heat exchanger is connected to another second connecting member.

[0013] In some of these embodiments, each sub-heat exchanger includes a heat exchange main body and two side plates. The heat exchange main body is formed with the first side and the second side along the third direction. The two side plates are respectively arranged on the first side and the second side. The first connecting member and the second connecting member are respectively fixed to the bottoms and tops of the plurality of side plates on the first side. Another first connecting member and another second connecting member are respectively fixed to the bottoms and tops of the plurality of side plates on the second side.

[0014] In some of these embodiments, the heat exchanger assembly includes pipe fixings. The two pipe fixings are arranged at opposite ends of the pipeline structure at intervals along the first direction, and the two pipe fixings are respectively connected to opposite ends of the manifold along the first direction.

[0015] In some of these embodiments, the heat exchanger assembly further includes protection components. The two protection components are arranged at the bottoms of the multiple sub-heat exchangers, and the two protection components are arranged at intervals along the third direction on the opposite first side and second side of the multiple sub-heat exchangers. The protection components are respectively connected to the bottoms of the multiple sub-heat exchangers.

[0016] In some of these embodiments, each sub-heat exchanger is a finned tube heat exchanger, and each sub-heat exchanger has a plurality of fins arranged along the second direction. Each heat exchange flow path passes through the plurality of fins along the second direction.

[0017] In some of these embodiments, the sub-heat exchanger includes a heat exchange tube that defines the heat exchange flow path. The heat exchange tube is at least one of a copper tube, a copper alloy tube, an aluminum tube, an aluminum alloy tube, and a stainless steel tube; and / or, the pipeline structure is at least one of a copper tube, a copper alloy tube, an aluminum tube, an aluminum alloy tube, and a stainless steel tube.

[0018] In some of these embodiments, among the multiple heat exchange flow paths, there are at least one energy charging flow path and at least one energy discharging flow path. The energy charging flow path and the heat source unit are on the same energy charging loop, and the energy discharging flow path and the water utilization unit are on the same energy discharging loop.

[0019] In some of these embodiments, the multiple heat exchange flow paths include multiple energy charging flow paths and multiple energy discharging flow paths, and the multiple energy charging flow paths and the multiple energy discharging flow paths are alternately arranged at intervals along the first direction.

[0020] In some of these embodiments, the pipeline structure includes at least four manifolds. The at least four manifolds have an energy charging inlet, an energy charging outlet, an energy discharging inlet, and an energy discharging outlet. The energy charging inlet and the energy charging outlet are in communication with the energy charging flow path, and the energy discharging inlet and the energy discharging outlet are in communication with the energy discharging flow path.

[0021] In some of these embodiments, the pipeline structure further includes a tee joint. One end of the tee joint is in communication with the delivery pipe, and the other two ends of the tee joint are respectively in communication with two heat exchange flow paths.

[0022] In some of these embodiments, the multiple sub-heat exchangers are evenly arranged at intervals along the first direction.

[0023] In some of these embodiments, the gap between two adjacent ones of the sub-heat exchangers is H1, and H1 satisfies: 5 mm ≤ H1 ≤ 10 mm.

[0024] In some of these embodiments, the distance perpendicular to the hooking member of the delivery pipe disposed adjacent to the hooking member is H2, and H2 satisfies: 10 mm ≤ H2 ≤ 15 mm.

[0025] In some of these embodiments, the distance perpendicular to the hooking member of the header pipe disposed adjacent to the hooking member is H3, and H3 satisfies: 50 mm ≤ H3 ≤ 80 mm.

[0026] In a third aspect, an embodiment of the present application provides a heat storage device, which includes a housing, the heat exchanger assembly as described above, and a phase change material. The heat exchanger assembly is disposed inside the housing, the phase change material is disposed inside the housing, and at least a part of the heat exchanger assembly is buried in the phase change material.

[0027] In some of these embodiments, the housing includes an outer shell and an inner shell disposed inside the outer shell. The inner shell has a receiving cavity, the heat exchanger assembly is disposed in the receiving cavity, and the receiving cavity is provided with the phase change material.

[0028] In some of these embodiments, an installation space is formed between the inner shell and the outer shell. The installation space is located above the inner shell. The outer shell is provided with a through pipe orifice communicating with the installation space for an external connecting pipe to extend into the installation space, and the inner shell is provided with an outlet pipe orifice communicating with the installation space. Part of the pipeline structure passes through the outlet pipe orifice and extends into the installation space to be docked with the external connecting pipe.

[0029] In some of these embodiments, the outer shell includes a plurality of outer side covers, an outer top cover, and an outer bottom plate. The plurality of outer side covers are sequentially disposed around the periphery of the inner shell and are connected to each other. The outer top cover is connected to the tops of the plurality of outer side covers, and the outer bottom plate is connected to the bottoms of the plurality of outer side covers;

[0030] The housing further includes a hanging portion and a fixing member. The fixing member is disposed on the inner shell, the hanging portion is disposed on the side surface of the outer side cover facing the inner shell, and the hanging portion is snap-fitted with the fixing member.

[0031] In some of these embodiments, the side edge of the outer side cover is provided with a bending portion. Among two adjacent outer side covers, two adjacent bending portions on one of the outer side covers form a right-angle portion, and there is a gap between two adjacent bending portions on the other outer side cover and an assembly groove is formed. The right-angle portion is installed in the assembly groove.

[0032] In some of these embodiments, a folding portion is further provided on the bending portion, side fixing holes are provided on the outer cover, and the folding portion is disposed opposite to the side fixing holes.

[0033] In some of these embodiments, outer support feet are provided on the outer chassis.

[0034] In some of these embodiments, the housing further includes a heat insulation structure, the heat insulation structure is disposed between the inner housing and the outer housing, and the heat insulation structure covers the outer wall surface of the inner housing.

[0035] In some of these embodiments, the housing further includes a hanging portion and a fixing member, the fixing member is disposed on the inner housing, the hanging portion is disposed on the side surface of the outer housing facing the inner housing, the hanging portion is snap-connected to the fixing member, a part of the fixing member is disposed between the heat insulation structure and the inner housing, and another part of the fixing member extends out of the heat insulation structure and is snap-connected to the hanging portion.

[0036] In some of these embodiments, the fixing member includes an inner connecting portion, an intermediate portion, and an outer connecting portion that are sequentially connected. The inner connecting portion is disposed between the heat insulation structure and the top of the inner housing and is connected to the inner housing. The intermediate portion is connected to the inner connecting portion at an angle, and the intermediate portion penetrates through the heat insulation structure. The outer connecting portion is connected to the intermediate portion at an angle, and the outer connecting portion extends out of the heat insulation structure and is snap-connected to the hanging portion.

[0037] In some of these embodiments, the heat insulation structure covering the top of the inner housing is provided with a plurality of avoidance holes for the pipelines connected to the sub-heat exchange to extend out.

[0038] In some of these embodiments, the heat insulation structure includes a first heat insulation layer and a second heat insulation layer. The first heat insulation layer is disposed on the outer wall surface of the inner housing, the second heat insulation layer is disposed on the side surface of the first heat insulation layer facing away from the inner housing, and the heat insulation coefficient of the first heat insulation layer is lower than that of the second heat insulation layer.

[0039] In some of these embodiments, an avoidance space is provided at the side edge of the first heat insulation layer. The outer cover of the outer housing is provided with a bending portion, the bending portion is located in the avoidance space, and a folding portion extends from the bending portion into the avoidance space. The outer cover is further provided with side fixing holes, the side fixing holes are disposed opposite to at least one inner wall of the avoidance space, and the folding portion is located between the side fixing holes and at least one inner wall of the avoidance space.

[0040] In some of these embodiments, the first thermal insulation layer and the second thermal insulation layer located at the top of the inner shell are provided with the avoidance holes, and the avoidance holes on the first thermal insulation layer and the avoidance holes on the second thermal insulation layer are coaxially arranged.

[0041] In some of these embodiments, a plurality of inner support feet are provided at the bottom of the inner shell, and the two inner support feet define a placement space for accommodating the thermal insulation structure.

[0042] In some of these embodiments, reinforcing ribs are provided on the circumferential side wall of the inner shell, and the reinforcing ribs are arranged in a circle along the circumference of the inner shell.

[0043] In some of these embodiments, at least two reinforcing ribs are provided on the circumferential side wall of the inner shell, and the two reinforcing ribs are spaced apart in the up and down direction.

[0044] Based on the installation structure, heat exchanger assembly and heat storage device of the embodiments of the present application, at least the following beneficial effects are achieved:

[0045] By respectively arranging the first connecting member and the second connecting member at the bottom and top of a plurality of sub-heat exchangers, and the first connecting member includes a first plate body and a plurality of first fixing parts, and the second connecting member includes a second plate body and a plurality of second fixing parts, one first fixing part can be connected to the bottom of one sub-heat exchanger, and one second fixing part can be connected to the top of one sub-heat exchanger. Thus, a plurality of sub-heat exchangers can be sequentially and spacedly connected together to form a heat exchanger assembly through the plurality of first fixing parts and the plurality of second fixing parts. Therefore, the first connecting member and the second connecting member can constraint and fix the plurality of sub-heat exchangers, not only defining the gap between two adjacent sub-heat exchangers, but also assembling the plurality of sub-heat exchangers into a whole. And by setting the distance between two adjacent first fixing parts and the distance between two adjacent second fixing parts, it is easy to control the size of the gap between two adjacent sub-heat exchangers. Description of the Drawings

[0046] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those skilled in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0047] Figure 1 Schematic perspective view of the first heat exchanger assembly provided by the embodiment of the present application;

[0048] Figure 2 Schematic perspective view of an installation structure provided by the embodiment of the present application;

[0049] Figure 3 Side view of a heat exchanger assembly provided by an embodiment of the present application;

[0050] Figure 4 Front view of a heat exchanger assembly provided by an embodiment of the present application;

[0051] Figure 5 Schematic structural diagram of a plurality of sub - heat exchangers connected together provided by an embodiment of the present application;

[0052] Figure 6 Schematic exploded view of a plurality of sub - heat exchangers, a first connecting member and a second connecting member provided by an embodiment of the present application;

[0053] Figure 7 Schematic three - dimensional structure diagram of a second heat exchanger assembly provided by an embodiment of the present application;

[0054] Figure 8 Schematic exploded view of a plurality of sub - heat exchangers, a protection member and a first connecting member provided by an embodiment of the present application;

[0055] Figure 9 Schematic exploded view of a pipe fixing member provided by an embodiment of the present application;

[0056] Figure 10 Schematic three - dimensional structure diagram of a pipeline structure provided by an embodiment of the present application from a first perspective;

[0057] Figure 11 Schematic three - dimensional structure diagram of a pipeline structure provided by an embodiment of the present application from a second perspective;

[0058] Figure 12 Schematic exploded view of a pipeline structure provided by an embodiment of the present application;

[0059] Figure 13 Top view of a pipeline structure provided by an embodiment of the present application;

[0060] Figure 14 Side view of a pipeline structure provided by an embodiment of the present application;

[0061] Figure 15 Schematic exploded view of a pipeline structure provided by an embodiment of the present application;

[0062] Figure 16 Schematic structure diagram of a manifold provided by an embodiment of the present application;

[0063] Figure 17 Schematic three - dimensional structure diagram of a heat storage device provided by an embodiment of the present application;

[0064] Figure 18Perspective view of a heat storage device provided by an embodiment of the present application;

[0065] Figure 19 is Figure 17 Schematic cross-sectional structure diagram at A-A in

[0066] Figure 20 Exploded view of the heat storage device provided by an embodiment of the present application;

[0067] Figure 21 Schematic diagram of the split structure of the heat insulation structure provided by an embodiment of the present application;

[0068] Figure 22 Stereoscopic structure diagram of the inner shell provided by an embodiment of the present application;

[0069] Figure 23 is Figure 20 Enlarged views at A and B in

[0070] Figure 24 is Figure 20 Enlarged view at C in

[0071] Figure 25 Schematic diagram of the split structure of the inner shell provided by an embodiment of the present application;

[0072] Figure 26 is Figure 19 Enlarged view at D in

[0073] Figure 27 is Figure 19 Enlarged view at E in

[0074] Figure 28 is Figure 19 Enlarged view at F in

[0075] Explanation of reference numerals:

[0076] 100. Heat exchanger assembly; 10. Mounting structure; 1. First connector; 11. First plate; 110. First bolt hole; 12. First fixing portion; 121. First fixing plate; 1210. First fixing hole; 2. Second connector; 21. Second plate; 210. Second bolt hole; 22. Second fixing portion; 221. Second fixing plate; 2210. Second fixing hole; 23. Hanging plate; 2301. Hook hole; 3. Hook member; 31. Hoisting hole; 32. Hook portion; 20. Sub-heat exchanger; 20 1. Heat exchanger body; 2011. First side; 2012. Second side; 202. Side plate; 203. Heat exchange tube; 2031. Heat exchange flow path; 2032. Charging flow path; 2033. Discharging flow path; 30. Pipeline structure; 301. Manifold; 3011. Charging inlet; 3012. Charging outlet; 3013. Discharging inlet; 3014. Discharging outlet; 302. Delivery pipe; 303. Tee; 304. Main pipe; 305. Collecting pipe; 306. Connector pipe; 307. Pipe nut; 40. Pipe fixing member; 401. First fixing plate; 4011. Fourth fixing hole; 4012. Snap-fit member; 402. Second fixing plate; 50. Protective member; 501. Protective plate; 502. Third fixing hole; 503. Clearance hole; 60. Housing; 601. Outer shell; 6010. Pipe opening; 6011. Outer cover; 6012. Outer top cover; 6013. Outer chassis; 6014. Bend portion; 6015. Right-angle portion; 6016. Assembly groove; 6017. Folding portion; 6018. Side fixing Hole; 6019, outer supporting foot; 602, inner shell; 6021, accommodating cavity; 6022, pipe outlet; 6023, inner supporting foot; 6024, reinforcing rib; 603, thermal insulation structure; 6030, avoidance hole; 6031, first thermal insulation layer; 6032, second thermal insulation layer; 604, hanging part; 605, fixing part; 6051, inner connecting part; 6052, middle part; 6053, outer connecting part; 6001, installation space; 6002, wire passing port; 70, phase change material; 200, heat storage device. DETAILED DESCRIPTION

[0077] In order to make the purpose, technical solutions and advantages of this application more clearly understood, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0078] See also Figure 1 , a heat exchanger assembly 100 provided in an embodiment of the present application, is mainly used for exchanging heat energy. The heat exchanger assembly 100 includes multiple sub-heat exchangers 20, a mounting structure 10 and a piping structure 30.

[0079] A plurality of sub-heat exchangers 20 can be arranged in parallel at intervals in sequence along the first direction. Such an arrangement helps to optimize the heat exchange efficiency and is also convenient for installation and maintenance. Moreover, the top of the sub-heat exchanger 20 and the bottom of the sub-heat exchanger 20 are arranged opposite to each other along the second direction. Each sub-heat exchanger 20 can have a plurality of heat exchange flow paths 2031, and the plurality of heat exchange flow paths 2031 can also be arranged in parallel along the first direction. Each heat exchange flow path 2031 can extend in a meandering manner along the second direction to form a plurality of bending loops, and the plurality of bending loops can be reciprocally bent along the third direction, wherein the first direction, the second direction, and the third direction are perpendicular to each other.

[0080] Combined Figure 1 As shown, the direction where the X-axis is located is the first direction, the direction where the Z-axis is located is the second direction, and the direction where the Y-axis is located is the third direction.

[0081] Hereinafter, taking the case where both the first direction and the third direction are horizontal directions as an example for illustration, and the first direction is perpendicular to the third direction, the second direction is the vertical direction, and the second direction is perpendicular to the horizontal plane where the first direction and the third direction are located.

[0082] Specifically, each heat exchange flow path 2031 can include a plurality of straight flow paths and a plurality of U-shaped flow paths. The straight flow paths extend along the third direction, and the plurality of straight flow paths are arranged in parallel at intervals along the second direction. One end of two adjacent straight flow paths on the same side can be connected through a U-shaped flow path. Thus, after two straight flow paths and a U-shaped flow path are connected, a bending loop can be formed. The plurality of bending loops are sequentially connected to form the heat exchange flow path 2031 that reciprocally bends along the third direction. Heat exchange through the heat exchange flow path 2031 not only improves the heat exchange efficiency but also optimizes the space utilization rate.

[0083] The installation structure 10 can connect a plurality of sub-heat exchangers 20 together, and the installation structure 10 can define the gap between two adjacent sub-heat exchangers 20, so that the gap between two adjacent sub-heat exchangers 20 is within a suitable range, to facilitate the smooth filling of the phase change material between two adjacent sub-heat exchangers 20. At the same time, it can also prevent the gap between two adjacent sub-heat exchangers 20 from being too large and prevent the reduction of the heat exchange efficiency between the two sub-heat exchangers 20.

[0084] The pipeline structure 30 can connect each sub-heat exchanger 20, thereby transporting the cold and hot fluids to each sub-heat exchanger 20 to realize the exchange and transfer of thermal energy.

[0085] Please refer to Figure 1 and Figure 2 , which shows an installation structure 10 provided by an embodiment of the present application. The installation structure 10 is used to connect a plurality of sub-heat exchangers 20 arranged at intervals along the first direction. The installation structure 10 includes a first connecting member 1 and a second connecting member 2.

[0086] The first connecting member 1 can be disposed at the bottom of the sub-heat exchanger 20, and the first connecting member 1 can include a first plate body 11 and a plurality of first fixing portions 12 disposed on the first plate body 11. The first plate body 11 can be extended and disposed along a first direction, and the plurality of first fixing portions 12 can be sequentially spaced along the first direction, so that the plurality of first fixing portions 12 can be arranged in the same direction as the plurality of sub-heat exchangers 20. Thus, the first fixing portion 12 can be connected to the bottom of the corresponding sub-heat exchanger 20, so that the first connecting member 1 can sequentially connect the bottoms of the plurality of sub-heat exchangers 20.

[0087] The second connecting member 2 can be disposed at the top of the sub-heat exchanger 20, and the second connecting member 2 can include a second plate body 21 and a plurality of second fixing portions 22 disposed on the second plate body 21. The second plate body 21 can also be extended and disposed along the first direction, and the plurality of second fixing portions 22 can be sequentially spaced along the first direction, so that the plurality of second fixing portions 22 can be arranged in the same direction as the plurality of sub-heat exchangers 20. Thus, the second fixing portion 22 can be connected to the top of the corresponding sub-heat exchanger 20, so that the second connecting member 2 can sequentially connect the tops of the plurality of sub-heat exchangers 20.

[0088] Therefore, the plurality of sub-heat exchangers 20 can be constrained and fixed by the first connecting member 1 and the second connecting member 2, which not only limits the gap between two adjacent sub-heat exchangers 20, but also assembles the plurality of sub-heat exchangers 20 into a whole. And by setting the distance between two adjacent first fixing portions 12 and the distance between two adjacent second fixing portions 22, the size of the gap between two adjacent sub-heat exchangers 20 can be easily controlled.

[0089] Combined with Figure 1 、 Figure 3 and Figure 4 , in some embodiments, the sub-heat exchanger 20 can be formed with opposite first sides 2011 and second sides 2012 along a third direction, and both the first side 2011 and the second side 2012 are extended and disposed along a second direction. The bottom of the first side 2011 of each sub-heat exchanger 20 is connected to the first connecting member 1, the top of the first side 2011 of each sub-heat exchanger 20 is connected to the second connecting member 2, the bottom of the second side 2012 of each sub-heat exchanger 20 is connected to another first connecting member 1, and the top of the second side 2012 of each sub-heat exchanger 20 is connected to another second connecting member 2, so that the two first connecting members 1 and the two second connecting members 2 are respectively located at the four corners of the sub-heat exchanger 20, thereby enabling the plurality of sub-heat exchangers 20 to be more firmly connected together.

[0090] Combined with Figure 5 and Figure 6, specifically, taking the heat exchanger assembly 100 including five sub - heat exchangers 20, two first connectors 1, and two second connectors 2 as an example for illustration. The five sub - heat exchangers 20 are arranged at intervals in sequence along the first direction. The two first connectors 1 are respectively located on the first side 2011 and the second side 2012 of the sub - heat exchanger 20. Also, the two second connectors 2 are respectively located on the first side 2011 and the second side 2012 of the sub - heat exchanger 20. And the two first connectors 1 are arranged at the bottom of the five sub - heat exchangers 20, and the two second connectors 2 are arranged at the top of the five sub - heat exchangers 20. Each first connector 1 is connected to the bottom of the five sub - heat exchangers 20, and each second connector 2 is connected to the top of the five sub - heat exchangers 20.

[0091] More clearly, five first fixing parts 12 are sequentially arranged at intervals on the first plate body 11 of the first connector 1. The five first fixing parts 12 respectively correspond to and are connected to the bottoms of the five sub - heat exchangers 20. Five second fixing parts 22 are sequentially arranged at intervals on the second plate body 21 of the second connector 2. The five second fixing parts 22 respectively correspond to and are connected to the tops of the five sub - heat exchangers 20. Thus, the five sub - heat exchangers 20 are assembled into the heat exchanger assembly 100, such that the gap H1 between two adjacent sub - heat exchangers 20 satisfies: 5mm ≤ H1 ≤ 10mm.

[0092] Combined Figure 1 As shown, in some embodiments, each sub - heat exchanger 20 can include a heat - exchange body 201 and two side plates 202. The heat - exchange body 201 can form opposite first side 2011 and second side 2012 along the third direction. And the two side plates 202 are respectively arranged on the first side 2011 and the second side 2012, and the side plates 202 are arranged to extend along the second direction, such that the two ends of the side plates are respectively located at the top and the bottom of the heat - exchange body.

[0093] Specifically, a plurality of heat - exchange bodies 201 are arranged in a row along the first direction. Side plates 202 are respectively arranged on the first side 2011 and the second side 2012 of each heat - exchange body 201. And two first connectors 1 are arranged at the bottom of the plurality of heat - exchange bodies 20. And the two first connectors 1 are respectively arranged on the first side 2011 and the second side 2012 of the plurality of heat - exchange bodies 20, that is, one first connector 1 is arranged at the bottom of the first side 2011, and the other first connector 1 is arranged at the bottom of the second side 2012. Thus, one first connector 1 can be connected to the bottoms of the plurality of side plates 202 on the first side 2011, and the other first connector 1 can be connected to the bottoms of the plurality of side plates 202 on the second side 2012.

[0094] Similarly, two second connectors 2 are provided at the top of multiple heat exchange bodies 201, and the two second connectors 2 are respectively arranged on the first side 2011 and the second side 2012 of multiple sub-heat exchangers 20, that is, one second connector 2 is arranged at the top of the first side 2011, and the other second connector 2 is arranged at the top of the second side 2012. Thus, one second connector 2 can be connected to the tops of multiple side plates 202 on the first side 2011, and the other second connector 2 can be connected to the tops of multiple side plates 202 on the second side 2012. By providing the side plates 202, they can be more firmly connected to the first connector 1 and the second connector 2, and the multiple sub-heat exchangers 20 can be prevented from shaking.

[0095] Please refer to Figure 2 , in some embodiments, the first fixing portion 12 can include a first fixing plate 121. The first fixing plate 121 is connected to the first plate body 11 at an angle. Preferably, the first fixing plate 121 is perpendicularly connected to the first plate body 11. And the first fixing plate 121 is provided with a first fixing hole 1210. The first plate body 11 can be arranged on the bottom surfaces of multiple sub-heat exchangers 20, and each first fixing plate 121 can be located on the side surface of a corresponding sub-heat exchanger 20. Bolts can be inserted into the first fixing holes 1210 to connect the first fixing plate 121 with the corresponding sub-heat exchanger 20 together. Thus, through multiple first fixing portions 12, the bottoms of multiple sub-heat exchangers 20 can be sequentially and spacedly connected together, and the gap between the bottoms of two adjacent sub-heat exchangers 20 can be defined.

[0096] Optionally, in combination with Figure 6 and Figure 8 , multiple first bolt holes 110 can be provided on the first plate body 11. The multiple first bolt holes 110 are respectively arranged in one-to-one correspondence with multiple first fixing plates 121. Bolts can also be inserted into the first bolt holes 110 to connect the first plate body 11 with the bottom of the corresponding sub-heat exchanger 20, making the connection of multiple sub-heat exchangers 20 more firm.

[0097] The second fixing portion 22 can include a second fixing plate 221. The second fixing plate 221 is connected to the second plate body 21 at an angle. Preferably, the second fixing plate 221 is perpendicularly connected to the second plate body 21. And the second fixing plate 221 is provided with a second fixing hole 2210. The second plate body 21 can be arranged on the top surfaces of multiple sub-heat exchangers 20, and each second fixing plate 221 can be located on the side surface of a corresponding sub-heat exchanger 20. Similarly, bolts can be inserted into the second fixing holes 2210 to connect the second fixing plate 221 with the corresponding sub-heat exchanger 20 together. Thus, through multiple second fixing portions 22, the tops of multiple sub-heat exchangers 20 can be sequentially and spacedly connected together, and the gap between the tops of two adjacent sub-heat exchangers 20 can be defined.

[0098] Optionally, a plurality of second bolt holes 210 can be provided on the second plate body 21. The plurality of second bolt holes 210 are respectively arranged in one-to-one correspondence with a plurality of second fixing plates 221. Bolts can also be inserted into the second bolt holes 210 to connect the second plate body 21 to the top of the corresponding sub-heat exchanger 20, making the connection of the plurality of sub-heat exchangers 20 more firm. When an upward pulling force is applied to the second plate body 21, the confinement effect of the second bolt holes 210 helps to drive the sub-heat exchanger 20 to be pulled upward together with the second plate body 21. Moreover, the plurality of second bolt holes 210 distributed on the second plate body 21 and their corresponding bolts play a role in dispersing and resisting this pulling force, and can prevent the second plate body 21 from being deformed by pulling.

[0099] Please refer to Figure 2 , in some embodiments, the plurality of first fixing holes 1210 and the plurality of second fixing holes 2210 can be arranged in one-to-one correspondence.

[0100] Specifically, the plurality of first fixing plates 121 can be arranged in one-to-one correspondence with the plurality of second fixing plates 221. The first fixing plate 121 is located on the side of the first plate body 11 facing the second plate body 21, and the second fixing plate 221 is located on the side of the second plate body 21 facing the first plate body 11, so that the plurality of first fixing holes 1210 can be arranged in one-to-one correspondence with the plurality of second fixing holes 2210. When the plurality of sub-heat exchangers 20 are sequentially connected together through the plurality of first fixing holes 1210 and the plurality of second fixing holes 2210, the plurality of sub-heat exchangers 20 can be arranged parallel to each other, thereby better defining the gap between two adjacent sub-heat exchangers 20.

[0101] Please refer to Figure 2 , in some embodiments, the second connecting member 2 can further include a hanging plate 23. The hanging plate 23 is connected to the second plate body 21 at an angle, and a hook hole 2301 is provided on the hanging plate 23.

[0102] Optionally, the hanging plate 23 and the second fixing plate 221 are respectively connected to two side edges of the second plate body 21 along the third direction, and the hanging plate 23 and the second fixing plate 221 are respectively located on the upper and lower sides of the second plate body 21 along the second direction, so that the hanging plate 23 is located at the top of the sub-heat exchanger 20, facilitating the hanging plate 23 to protrude upward from the top of the sub-heat exchanger 20. Moreover, a hook hole 2301 is also provided on the hanging plate 23, which can facilitate the hoisting of the heat exchanger assembly 100 through the hook hole 2301.

[0103] Please refer to Figure 2 , in some embodiments, the mounting structure 10 can further include a hook member 3. One end of the hook member 3 can be provided with a hook portion 32, the hook portion 32 can be hooked with the hook hole 2301, and the other end of the hook member 3 can be provided with a hoisting hole 31.

[0104] Specifically, the hook portion 32 on the hook member 3 can be engaged with the hook hole 2301, so that the hook member 3 is detachably connected to the hanging plate 23. The other end of the hook member 3 is provided with a lifting hole 31. Connecting a lifting device to the lifting hole 31 can lift the heat exchanger assembly 100. After the lifting is completed, it is only necessary to remove the hook member 3 from the hanging plate 23, which can save the top space of the heat exchanger assembly 100. When the heat exchanger assembly 100 needs to be lifted again, it is only necessary to reinstall the hook member 3 on the hanging plate 23, which is convenient for the installation and disassembly of the heat exchanger assembly 100.

[0105] When the hook member 3 lifts the hanging plate 23, fasteners are arranged through the second bolt holes 210 on the second plate body 21, so that there is a fastening force to fix the second plate body 21 from top to bottom, thereby avoiding the upward pulling force during the lifting process from deforming the second connecting member 2, and further avoiding the influence on the clearance accuracy between the sub-heat exchangers 20 due to the deformation of the second connecting member 2.

[0106] The installation structure 10 includes at least two hook members 3, and the two hook members 3 are respectively arranged diagonally. A lifting device can be connected to the two hook members 3, or more specifically, the steel wire rope on the lifting device passes through the lifting holes 31 on the hook members 3, so that the lifting device is connected to the hook members 3, thereby enabling the heat exchanger assembly 100 to be lifted smoothly to the installation position. By providing the hook members 3, it is convenient to install or disassemble the heat exchanger assembly 100.

[0107] Optionally, the hook hole 2301 is located between two adjacent second fixing portions 22. Thus, when the hook member 3 is arranged in the hook hole 2301, the hook member 3 is located between two adjacent second fixing portions 22, so that when the heat exchanger assembly 100 is lifted, the lifting point is located at the middle position of the heat exchanger assembly 100, which can improve the stability and safety during the lifting process of the heat exchanger assembly 100.

[0108] Please refer to Figure 1 , in some embodiments, a plurality of sub-heat exchangers 20 are arranged at equal intervals along the first direction, so that the plurality of sub-heat exchangers 20 can perform heat exchange more evenly, thereby improving the heat exchange efficiency.

[0109] Please refer to Figure 1 , in some embodiments, the gap between two adjacent sub-heat exchangers 20 is H1, and H1 satisfies: 5mm ≤ H1 ≤ 10mm.

[0110] When H1 > 10 mm, the heat conduction path between two adjacent heat exchangers becomes longer, which can also be said that the thermal resistance between two adjacent heat exchangers increases, thereby reducing the heat exchange efficiency, resulting in a decline in the heat storage performance. Moreover, too large a gap between two adjacent sub-heat exchangers 20 will increase the volume of the entire heat exchanger assembly 100, occupying more space and possibly not meeting the requirements of the installation space.

[0111] When H1 < 5 mm, the gap between two adjacent sub-heat exchangers 20 is too small, which will hinder the smooth filling of the phase change material. Especially when using an automated filling device, it may cause the filling head to be blocked or the filling to be uneven, thus reducing the filling efficiency.

[0112] Therefore, when the gap H1 between two adjacent sub-heat exchangers 20 satisfies: 5 mm ≤ H1 ≤ 10 mm, the heat storage performance and filling efficiency required by the heat exchanger assembly 100 can be satisfied simultaneously.

[0113] Please refer to Figure 3 , in some embodiments, the distance H2 from the delivery pipe 302 connected to the hooking member 3 perpendicular to the hooking member 3 satisfies: 10 mm ≤ H2 ≤ 15 mm.

[0114] During the process of hoisting the heat exchanger assembly 100, the heat exchanger assembly 100 will inevitably shake. In order to prevent the hooking member 3 from cutting or rubbing against the delivery pipe 302, sufficient space needs to be reserved between the hooking member 3 and the adjacent delivery pipe 302.

[0115] Specifically, when the gap H2 between the hooking member 3 and the adjacent delivery pipe 302 satisfies: 10 mm ≤ H2 ≤ 15 mm, sufficient space can be provided for the hooking member 3 to swing, thereby preventing the hooking member 3 from cutting or rubbing against the delivery pipe 302.

[0116] Please refer to Figure 4 , in some embodiments, the distance H3 from the manifold 301 adjacent to the hooking member 3 perpendicular to the hooking member 3 satisfies: 50 mm ≤ H3 ≤ 80 mm.

[0117] Specifically, when installing the hooking member 3, it is necessary to first set the hooking member 3 to be inclined relative to the vertical direction, then insert the hooking portion 32 of the hooking member 3 into the hooking hole 2301 on the hanging plate 23, and finally rotate the hooking member 3 to be vertically arranged, then the hooking member 3 can be installed on the hanging plate 23. When disassembling the hooking member 3, rotate the hooking member 3 from the vertical arrangement to the inclined arrangement, and then pull out the hooking portion 32 from the hooking hole 2301. Therefore, when installing or disassembling the hooking member 3, sufficient space needs to be reserved for the hooking member 3 to move.

[0118] Optionally, when the gap H3 between the hooking member 3 and the adjacent manifold 301 satisfies 50 mm ≤ H3 ≤ 80 mm, sufficient space can be provided for the hooking member 3 to rotate, thereby preventing the hooking member 3 from cutting or rubbing against the manifold 301.

[0119] Combined Figure 7 As shown, in some embodiments, the heat exchanger assembly 100 can further include protection members 50, and two protection members 50 can be disposed at the bottom of the plurality of sub-heat exchangers 20, and the two protection members 50 can be spaced along a third direction on opposite sides of the plurality of sub-heat exchangers 20. The protection members 50 can be respectively connected to the bottoms of the plurality of sub-heat exchangers 20, so that the protection members 50 can form a protective layer at the bottoms of the plurality of sub-heat exchangers 20. The protection members 50 can prevent the bottoms of the sub-heat exchangers 20 from being bumped and damaged, and reduce the installation risk of the sub-heat exchangers 20 during hoisting.

[0120] Optionally, the protection member 50 can be connected to the bottom of the side plate 202, and the protection member 50 is located at the bottom of the pipeline structure 30, so that the protection member 50 can form a protective layer at the bottom of the pipeline structure 30, and can prevent the pipeline structure 30 from being bumped and damaged, especially reducing the installation risk of the pipeline structure 30 during hoisting.

[0121] Combined Figure 8 In some embodiments, the protection member 50 includes a protection plate 501. The protection plate 501 is located at the bottom of the sub-heat exchanger 20 and is connected to the side plate 202 of the sub-heat exchanger 20.

[0122] Optionally, the protection plate 501 is provided with a plurality of third fixing holes 502 and a plurality of relief holes 503. The plurality of third fixing holes 502 and the plurality of relief holes 503 can be arranged in one-to-one correspondence. The third fixing holes 502 are threaded holes. A screw connector can be inserted into the third fixing holes 502 from the relief holes 503, so that the protection plate 501 is connected to the side plate 202. The protection plate 501 wraps the bottom of the pipeline structure 30 to play a protective role. The provision of the relief holes 503 can facilitate the insertion of the screw connector into the third fixing holes 502, making the installation more convenient.

[0123] Combined Figure 1 As shown, the pipeline structure 30 includes a manifold 301 and a delivery pipe 302. The manifold 301 can be disposed at the top of the sub-heat exchanger 20, and the manifold 301 is a multi-duct structure. The manifold 301 has a plurality of pipe orifices. One end of the delivery pipe 302 is communicated with the heat exchange flow path 2031, and the other end of the delivery pipe 302 is communicated with the manifold 301, so that the manifold 301 can collect the fluids from each heat exchange flow path 2031 and deliver the fluids to each heat exchange flow path 2031 through the delivery pipe 302 to achieve heat exchange.

[0124] Specifically, the conveying pipe 302 includes an input pipe and an output pipe. Each sub-heat exchanger 20 is respectively communicated with the corresponding manifold 301 through a group of input pipes and output pipes to form a heat exchange flow path 2031. The main functions of the input pipe and the output pipe are to convey the fluid from the manifold 301 to the heat exchange flow path 2031 and convey the fluid that has undergone heat exchange from the heat exchange flow path 2031 back to the manifold 301.

[0125] More clearly, each sub-heat exchanger 20 is communicated with the corresponding manifold 301 through one or more input pipes. The input pipes are responsible for conveying the fluid from the manifold 301 to each sub-heat exchanger 20, so that the fluid can be evenly distributed to each sub-heat exchanger 20. Similarly, each sub-heat exchanger 20 is communicated with the corresponding manifold 301 through one or more output pipes. The output pipes are responsible for conveying the fluid that has undergone heat exchange from the sub-heat exchanger 20 back to the manifold 301, so as to collect and convey the fluid back to the manifold 301 for further processing or recycling.

[0126] Please refer to Figure 7 As shown, in some embodiments, the heat exchanger assembly 100 further includes pipe fixing members 40. The two pipe fixing members 40 are arranged on the tops of the plurality of sub-heat exchangers 20, and the two pipe fixing members 40 are spaced apart along the first direction on the opposite sides of the pipeline structure 30. The two pipe fixing members 40 are respectively connected to the opposite ends of the manifold 301 along the first direction, so that the manifold 301 is fixed on the tops of the plurality of sub-heat exchangers 20, which can prevent the manifold 301 from loosening.

[0127] Combined with Figure 9 , specifically, the pipe fixing member 40 can include a first fixing plate 401 and a second fixing plate 402. The first fixing plate 401 can be connected to the top of one sub-heat exchanger 20 located at the outermost edge among the plurality of sub-heat exchangers 20. A plurality of first avoidance grooves are provided on the first fixing plate 401. The plurality of first avoidance grooves can be arranged at intervals along the third direction. One end of the manifold 301 can be arranged in the first avoidance grooves. The second fixing plate 402 can be connected to the first fixing plate 401, and a plurality of second avoidance grooves are provided on the second fixing plate 402. The plurality of second avoidance grooves can be arranged at intervals along the third direction, and the plurality of second avoidance grooves can be arranged in one-to-one correspondence with the plurality of first avoidance grooves. The second avoidance grooves can accommodate the manifold 301 together with the corresponding first avoidance grooves, so that the first fixing plate 401 and the second fixing plate 402 can clamp the manifold 301, thereby fixing the manifold 301 between the first fixing plate 401 and the second fixing plate 402. By setting the first avoidance grooves and the second avoidance grooves to fix the manifold 301, it is not only firmly fixed but also can save space.

[0128] Optionally, at opposite ends of the first fixing plate 401 along the third direction, fourth fixing holes 4011 are respectively provided. The fourth fixing holes 4011 can be connected to the side plate 202, so that the first fixing plate 401 can be connected to the sub-heat exchanger 20 together.

[0129] Optionally, at opposite ends of the first fixing plate 401 along the third direction, clamping members 4012 are respectively provided. Clamping holes can be provided on the side plate 202, and the clamping members 4012 can be engaged with the clamping holes, so that the first fixing plate 401 is clamped to the side plate 202. Thus, when the installer installs the first fixing plate 401, there is no need to hold the first fixing plate 401 by hand. Just clamp the first fixing plate 401 to the side plate 202, and the installation is very convenient.

[0130] Optionally, each sub-heat exchanger 20 is a finned tube heat exchanger. The finned tube heat exchanger improves the heat transfer capacity by adding heat transfer fins to the heat exchange tubes 203.

[0131] Specifically, each sub-heat exchanger 20 has a plurality of fins arranged along the third direction, and each heat exchange flow path 2031 can pass through a plurality of fins along the third direction. The fins can increase the heat exchange area of the heat exchange flow path 2031, thereby improving the heat exchange efficiency of the heat exchange flow path 2031.

[0132] Optionally, the sub-heat exchanger 20 includes heat exchange tubes 203. A plurality of fins are provided on the outer tube walls of the heat exchange tubes 203. The plurality of fins are arranged at intervals along the third direction. The heat exchange tubes 203 can define heat exchange flow paths 2031, and the heat exchange tubes 203 can be made of at least one of copper tubes, copper alloy tubes, aluminum tubes, aluminum alloy tubes, and stainless steel tubes. Similarly, the pipeline structure 30 can also be made of at least one of copper tubes, copper alloy tubes, aluminum tubes, aluminum alloy tubes, and stainless steel tubes.

[0133] In some embodiments, each sub-heat exchanger 20 includes a plurality of heat exchange tubes 203. The heat exchange tubes 203 can define heat exchange flow paths 2031. Among the plurality of heat exchange flow paths 2031, there are included at least one charging flow path 2032 and at least one discharging flow path 2033. The charging flow path 2032 can be on the same charging loop as the heat source unit, and the discharging flow path 2033 can be on the same discharging loop as the water utilization unit.

[0134] The heat source unit can transfer heat to the discharging flow path 2033 through the charging flow path 2032. After the discharging flow path 2033 absorbs the heat, it can heat the water on the discharging loop, thereby providing instant hot water for users and facilitating users to use hot water at any time.

[0135] In some embodiments, the multiple heat exchange flow paths 2031 include multiple energy charging flow paths 2032 and multiple energy discharging flow paths 2033, and the multiple energy charging flow paths 2032 and the multiple energy discharging flow paths 2033 can be alternately arranged at intervals along the first direction, so that the energy charging flow paths 2032 and the energy discharging flow paths 2033 can perform heat exchange more fully, improving the heat exchange efficiency.

[0136] Please refer to Figure 10 , in some embodiments, the pipeline structure 30 includes at least four manifold pipes 301. Taking the pipeline structure 30 including four manifold pipes 301 as an example, the four manifold pipes 301 are all arranged on the top of the multiple sub-heat exchangers 20, and the four manifold pipes 301 respectively have an energy charging inlet 3011, an energy charging outlet 3012, an energy discharging inlet 3013, and an energy discharging outlet 3014.

[0137] Specifically, the manifold pipe 301 with the energy charging inlet 3011 is communicated with the tops of the multiple energy charging flow paths 2032, and the manifold pipe 301 with the energy charging outlet 3012 is communicated with the bottoms of the multiple energy charging flow paths 2032. Thus, after the heat exchange medium enters one manifold pipe 301 from the energy charging inlet 3011, it can flow into the multiple energy charging flow paths 2032 from the top respectively. After the heat exchange medium in the multiple energy charging flow paths 2032 performs heat exchange, the heat exchange medium in the multiple energy charging flow paths 2032 converges from the bottom to another manifold pipe 301 and flows out from the energy charging outlet 3012, completing a heat exchange cycle.

[0138] Similarly, the manifold pipe 301 with the energy discharging inlet 3013 is communicated with the bottoms of the multiple energy discharging flow paths 2033, and the manifold pipe 301 with the energy discharging outlet 3014 is communicated with the tops of the multiple energy discharging flow paths 2033. Cold water can enter one manifold pipe 301 from the energy discharging inlet 3013 and then be split and flow into the multiple energy discharging flow paths 2033. After the cold water absorbs heat and becomes hot water, the hot water in the multiple energy discharging flow paths 2033 converges to another manifold pipe 301 and flows out from the energy discharging outlet 3014, completing a cold water heating cycle. It can split a large flow of cold water into multiple small flows of cold water for heat exchange, heat all the multiple small flows of cold water, and then collect the multiple small flows of hot water together for user use. Since the small flow of cold water can be quickly heated to become hot water, it can realize timely heating of cold water for user use.

[0139] Combined with Figures 11 to 13 As shown, the multiple delivery pipes 302 connected to the manifold pipe 301 are sequentially arranged at intervals along the extending direction of the manifold pipe 301, and the axes of the multiple delivery pipes 302 are all parallel to each other, so that there is a gap between adjacent two delivery pipes 302. Hooks 3 can be installed at the gap, and the multiple delivery pipes 302 do not contact each other, which can prevent the delivery pipes 302 from being damaged by friction.

[0140] See also Figure 3 、 Figure 14 and Figure 15 In some embodiments, the pipeline structure 30 also includes multiple three-way pipes 303, one end of each three-way pipe 303 can be connected to a delivery pipe 302, and the other two ends of each three-way pipe 303 can be connected to two heat exchange flow paths 2031 respectively. Therefore, by setting the three-way pipe 303, the number of delivery pipes 302 can be reduced, so that there is more free space at the location of the pipeline structure 30, and the free space can be convenient for setting the second connecting member 2 and the hook member 3.

[0141] Optionally, the three-way pipe 303 has a first connecting hole, a second connecting hole, and a third connecting hole. The first connecting hole is connected to the delivery pipe 302, and the second connecting hole and the third connecting hole are respectively connected to the two heat exchange flow paths 2031, wherein the axis of the first connecting hole is arranged in the vertical direction, so that when the delivery pipe 302 is connected to the first connecting hole, the delivery pipe 302 needs to protrude upward for a part, and then bend downward to connect with the first connecting hole. The protruding part of the delivery pipe 302 can form an avoidance space, and the avoidance space can facilitate the setting of the collecting pipe 301 and the second connecting member 2. The axis of the second connecting hole and the axis of the third connecting hole are both arranged in the horizontal direction, so that the second connecting hole and the third connecting hole can be easily connected to the two heat exchange flow paths 2031.

[0142] Specifically, when the first connecting hole of the three-way pipe 303 is connected to the collecting pipe 301 having the charging inlet 3011 or the charging outlet 3012 through the delivery pipe 302, the second connecting hole and the third connecting hole of the three-way pipe 303 can be connected to the two charging flow paths 2032 respectively; when the first connecting hole of the three-way pipe 303 is connected to the collecting pipe 301 having the energy discharge inlet 3013 or the energy discharge outlet 3014 through the delivery pipe 302, the second connecting hole and the third connecting hole of the three-way pipe 303 can be connected to the two energy discharge flow paths 2033 respectively.

[0143] The two charging paths 2032 or the two discharging paths 2033 are combined into a single delivery pipe 302 via a three-way pipe 303. Compared to the prior art structure where one heat exchange path 2031 corresponds to one delivery pipe 302, this solution can significantly reduce the number of delivery pipes 302, thereby reducing the space occupied around the heat exchange body 201. The reduced number of delivery pipes 302 frees up space for mounting a hanging plate 23 on the second connector 2, resulting in higher space utilization.

[0144] Combine Figure 16As shown in the figure, the manifold 301 includes a main pipe 304, a collecting pipe 305, a connecting pipe 306, and a connection nut 307. One end of the main pipe 304 is in communication with one end of the collecting pipe 305. One end of the connecting pipe 306 is in communication with the other end of the collecting pipe 305. The other end of the connecting pipe 306 is connected to the connection nut 307. And the radial dimension of the end of the connecting pipe 306 that is in communication with the collecting pipe 305 is smaller than the radial dimension of the end of the connecting pipe 306 that is connected to the connection nut 307.

[0145] It should be noted that since the radial dimension of the connection nut 307 is relatively large, if the connection nut 307 is directly connected to one end of the collecting pipe 305, it will cause the radial dimension of the collecting pipe 305 to be relatively large. However, the radial dimension at the connection between the collecting pipe 305 and the main pipe 304 should not be too large. Therefore, by providing the connecting pipe 306 with different radial dimensions at both ends to connect the collecting pipe 305 and the connection nut 307, it is possible to both connect the connection nut 307 and make the size of the collecting pipe 305 smaller than the size of the connection nut 307.

[0146] Please refer to Figure 17 and Figure 19 , a heat storage device 200 provided by an embodiment of the present application. The heat storage device 200 includes a housing 60, a heat exchanger assembly 100, and a phase change material 70. An accommodation cavity 6021 can be formed inside the housing 60. The heat exchanger assembly 100 can be arranged in the accommodation cavity 6021, and the phase change material 70 can be arranged inside the housing. And at least part of the heat exchanger assembly 100 is buried in the phase change material 70, so that the heat exchanger assembly 100 can exchange heat with the phase change material 70.

[0147] Specifically, a plurality of sub-heat exchangers 20 can be arranged in the phase change material 70, and the charging flow path 2032 can transfer heat to the phase change material 70. The phase change material 70 can store heat. When cold water flows into the discharging flow path 2033 through the discharging inlet 3013, the discharging flow path 2033 can absorb the heat of the phase change material 70 to heat the cold water. After the cold water is heated, it becomes hot water and flows out from the discharging outlet 3014 for users to use.

[0148] Therefore, by virtue of the heat storage and heat release characteristics of the phase change material 70 to exchange heat with the water in the discharging flow path 2033, it can not only instantaneously supply a large flow of hot water for users, but also does not require using a water tank to store water, and can prevent the growth of microorganisms such as Legionella.

[0149] Optionally, the housing 60 can include an outer housing 601 and an inner housing 602. The inner housing 602 can be disposed inside the outer housing 601, and the inner housing 602 can have a receiving cavity 6021. A plurality of sub-heat exchangers 20 can be disposed in the receiving cavity 6021. A phase change material 70 is provided in the receiving cavity 6021. The inner housing 602 can form a sealed receiving cavity 6021, which can facilitate the heat exchange between the plurality of sub-heat exchangers 20 and the phase change material 70 in the receiving cavity 6021. Part of the pipeline structure 30 is disposed in the receiving cavity 6021, and the other part of the pipeline structure 30 is located between the inner housing 602 and the outer housing 601.

[0150] Please refer to Figures 19 to 21 , in some embodiments, an installation space 6001 can be formed between the inner housing 602 and the outer housing 601, and the installation space 6001 is located above the inner housing 602. That is to say, there is a gap between the top of the outer housing 601 and the top of the inner housing 602, and this gap forms the installation space 6001. An over-pipe opening 6010 is provided on the outer housing 601, and an outlet pipe opening 6022 can be provided on the inner housing. Both the over-pipe opening 6010 and the outlet pipe opening 6022 communicate with the installation space 6001.

[0151] Optionally, the over-pipe opening 6010 is provided on the side surface of the outer housing 601, and the outlet pipe opening 6022 is provided on the top surface of the inner housing 602. Part of the pipeline structure 30 can first pass through the outlet pipe opening 6022 and extend from the inner housing 602 into the installation space 6001. The external connection pipe can extend into the installation space 6001 from the over-pipe opening 6010 to connect with the pipeline structure 30. By providing the outlet pipe opening 6022 and the over-pipe opening 6010, it is convenient to connect the pipeline structure 30 with the external connection pipe.

[0152] Optionally, wire passing openings 6002 can be provided on both the inner housing 602 and the outer housing 601, and the wires in the inner housing 602 and the outer housing 601 can extend out from the wire passing openings 6002.

[0153] Please refer to Figure 20 , in some embodiments, the outer housing 601 can include a plurality of outer side covers 6011, an outer top cover 6012, and an outer bottom plate 6013. The plurality of outer side covers 6011 can be sequentially disposed around the circumference of the inner housing 602, and the plurality of outer side covers 6011 are sequentially connected. The outer top cover 6012 is disposed on the top of the plurality of outer side covers 6011, and the top of the plurality of outer side covers 6011 is connected to the outer top cover 6012. The outer bottom plate 6013 is disposed on the bottom of the plurality of outer side covers 6011, and the bottom of the plurality of outer side covers 6011 is connected to the outer bottom plate 6013, so that the outer housing 601 can be assembled more firmly.

[0154] Optionally, the shape of the outer shell 601 is a cube. The outer shell 601 includes four outer side covers 6011. The four outer side covers 6011 enclose a square frame structure. The outer top cover 6012 and the outer bottom plate 6013 are respectively arranged at the top and bottom of the plurality of outer side covers 6011.

[0155] During the actual assembly of the outer shell 601, two outer side covers 6011 will be vertically arranged on the side of the inner shell 602 first, then the two outer side covers 6011 will be connected, and then the remaining outer side covers 6011 will be connected together in sequence. However, the outer side cover 6011 is very thin, and the vertically arranged outer side cover 6011 is prone to tipping over. The installer needs to hold the outer side cover 6011 with one hand, resulting in inconvenient assembly of the outer shell 601.

[0156] Combined Figure 23 As shown, in the embodiment of the present application, the housing 60 can further include a hanging portion 604 and a fixing member 605. The fixing member 605 is arranged at the top of the inner shell 602, and the hanging portion 604 is arranged on the side surface of the outer side cover 6011. When the outer side cover 6011 is vertically arranged on the side of the inner shell 602, the side of the outer side cover 6011 provided with the hanging portion 604 faces the inner shell 602, and the hanging portion 604 is clamped with the fixing member 605, so as to prevent the outer side cover 6011 from tipping over, enabling the installer not to hold the outer side cover 6011 with one hand, and making the assembly of the outer shell 601 more convenient.

[0157] Please refer to Figure 23 , in some embodiments, the side of the outer side cover 6011 can be provided with a bending portion 6014. And among two adjacent outer side covers 6011, two adjacent bending portions 6014 on one of the outer side covers 6011 are connected, and the two connected bending portions 6014 form a right-angle portion 6015 at the connection. There is a gap between two adjacent bending portions 6014 on the other outer side cover 6011, and an assembly groove 6016 is formed at the gap between the two spaced bending portions 6014. The right-angle portion 6015 can be installed in the assembly groove 6016. Installing the right-angle portion 6015 in the assembly groove 6016 can play a role of temporary fixation, enabling two adjacent outer side covers 6011 to fit tightly together, thus forming a triangular structure, making it more stable when the two outer side covers 6011 are arranged vertically, and further facilitating the installer to assemble the outer shell 601.

[0158] Optionally, the outer cover 6011 has a square structure. Four side edges of the outer cover 6011 are each provided with a bending portion 6014. The bending portion 6014 extends along the side edge of the outer cover 6011, and the four bending portions 6014 are all bent toward the same side. Among two adjacent outer covers 6011, two adjacent bending portions 6014 on one outer cover 6011 are connected, and there is a gap between two adjacent bending portions 6014 on the other outer cover 6011. The two connected bending portions 6014 form a right-angle portion 6015 at the connection, and the two spaced bending portions 6014 form an assembly groove 6016 at the gap.

[0159] Please refer to Figure 24 , in some embodiments, the bending portion 6014 is further provided with a folding portion 6017. The folding portion 6017 can be disposed opposite to the outer cover 6011, and the outer cover 6011 is provided with a side fixing hole 6018. The folding portion 6017 can be disposed opposite to the side fixing hole 6018, such that when a screwing member is inserted into the side fixing hole 6018, the screwing member can abut against the folding portion 6017, which can prevent the screwing member from contacting components inside the housing 601 and prevent the components inside the housing 601 from being damaged by the screwing member. The screwing member is a bolt, a screw, etc.

[0160] Optionally, the component can be a heat insulation structure 603, and the folding portion 6017 can prevent the screwing member from damaging the heat insulation structure 603.

[0161] Please refer to ​ , in some embodiments, the outer chassis 6013 can be provided with outer support feet 6019. The outer support feet 6019 are located on the bottom surface of the outer chassis 6013, and the outer support feet 6019 can play a role in supporting the housing 601.

[0162] Please refer to ​ , in some embodiments, the housing 60 further includes a heat insulation structure 603. The heat insulation structure 603 is disposed between the inner housing 602 and the outer housing 601. The heat insulation structure 603 can play a role in heat insulation, can reduce the transfer of heat from the inside of the inner housing 602 to the outside, and thus can prevent the heat stored in the phase change material 70 from being dissipated, and further improve the heat exchange efficiency between the sub-heat exchanger 20 and the phase change material 70.

[0163] Optionally, the heat insulation structure 603 can cover the outer wall surface of the inner housing 602, and the heat insulation structure 603 can cover the top, bottom, and circumferential side of the inner housing 602. That is to say, the heat insulation structure 603 wraps the inner housing 602. A part of the fixing member 605 is disposed between the heat insulation structure 603 and the inner housing 602, and the other part of the fixing member 605 extends out of the heat insulation structure 603 and is snap-connected to the hanging portion 604. The heat insulation structure 603 plays a role in comprehensive heat insulation.

[0164] Please refer to ​ , in some embodiments, the fixing member 605 includes an inner connecting portion 6051, an intermediate portion 6052, and an outer connecting portion 6053 that are sequentially connected.

[0165] Specifically, the inner connecting portion 6051 is disposed between the top of the heat preservation structure 603 and the top of the inner shell 602. The inner connecting portion 6051 is connected to the top of the inner shell 602, and the inner connecting portion 6051 also extends to the edge of the inner shell 602. The intermediate portion 6052 is connected to the inner connecting portion 6051 at an angle, so that the intermediate portion 6052 can pass through the heat preservation structure 603. One end of the intermediate portion 6052 extends out of the heat preservation structure 603. The outer connecting portion 6053 is connected to the intermediate portion 6052 at an angle, and the outer connecting portion 6053 extends in a direction close to the outer cover 6011, so that one end of the outer connecting portion 6053 can be clamped with the hanging portion 604.

[0166] Please refer to ​ , in some embodiments, the heat preservation structure 603 covering the top of the inner shell 602 can be provided with a plurality of avoidance holes 6030 for the pipelines connected to the sub-heat exchanger 20 to extend out.

[0167] Specifically, a plurality of manifold tubes 301 are all disposed on the top of the sub-heat exchanger 20. The converging ports of the plurality of manifold tubes 301 can extend out from the avoidance holes 6030. More specifically, there are four manifold tubes 301, and the four manifold tubes 301 respectively have an energy charging inlet 3011, an energy charging outlet 3012, an energy discharging inlet 3013, and an energy discharging outlet 3014. The energy charging inlet 3011, the energy charging outlet 3012, the energy discharging inlet 3013, and the energy discharging outlet 3014 respectively extend out from the four avoidance holes 6030, which can facilitate the connection between the heat source unit and the energy charging inlet 3011 and the energy charging outlet 3012, and facilitate the connection between the water utilization unit and the energy discharging inlet 3013. The energy discharging outlet 3014 can extend out to provide hot water for users.

[0168] Please refer to ​ and 26 , in some embodiments, the heat preservation structure 603 can include a first heat preservation layer 6031 and a second heat preservation layer 6032. The first heat preservation layer 6031 can be disposed on the outer wall surface of the inner shell 602, while the second heat preservation layer 6032 is disposed on the side of the first heat preservation layer 6031 facing away from the inner shell 602, and the heat preservation coefficient of the first heat preservation layer 6031 is lower than that of the second heat preservation layer 6032.

[0169] Optionally, the first thermal insulation layer 6031 is attached to the outer wall surface of the inner shell 602. The thermal insulation coefficient of the first thermal insulation layer 6031 is lower than that of the second thermal insulation layer 6032, which can better insulate the inner shell 602. The structural strength of the second thermal insulation layer 6032 is better than that of the first thermal insulation layer 6031. Although the thermal insulation coefficient of the second thermal insulation layer 6032 is higher than that of the first thermal insulation layer 6031, the second thermal insulation layer 6032 can protect the first thermal insulation layer 6031 and prevent the first thermal insulation layer 6031 from being damaged.

[0170] Specifically, the thermal insulation structure 603 can include six first thermal insulation layers 6031, which are respectively arranged on the six outer wall surfaces of the inner shell 602. The thermal insulation structure 603 can also include six second thermal insulation layers 6032, which are arranged in one-to-one correspondence with the six first thermal insulation layers 6031. The first thermal insulation layer 6031 and the second thermal insulation layer 6032 located on the top surface of the inner shell 602 are both provided with avoidance holes 6030. The avoidance holes 6030 on the first thermal insulation layer 6031 and the avoidance holes 6030 on the second thermal insulation layer 6032 are coaxially arranged, which can facilitate the collection port of the manifold 301 to extend out.

[0171] Combined ​ , the side edge of the first thermal insulation layer 6031 can be provided with an avoidance space, and the bending part 6014 can be arranged in the avoidance space, so that when assembling the outer shell 601, it can prevent the outer cover 6011 from squeezing the first thermal insulation layer 6031, and further prevent the first thermal insulation layer 6031 from being damaged.

[0172] Optionally, the folding part 6017 on the bending part 6014 extends into the avoidance space, and the side fixing hole 6018 is arranged opposite to at least one inner wall of the avoidance space, and the folding part 6017 is located between the side fixing hole 6018 and at least one inner wall of the avoidance space. When inserting a bolt into the side fixing hole 6018, the bolt extends towards the folding part 6017 and abuts against the folding part 6017. The folding part 6017 can protect the first thermal insulation layer 6031, prevent the bolt from directly contacting the first thermal insulation layer 6031, and further prevent the bolt from squeezing the first thermal insulation layer 6031.

[0173] Please refer to ​ and ​ , in some embodiments, the bottom of the inner shell 602 is provided with a plurality of inner support feet 6023. The inner support feet 6023 can be connected to the bottom plate of the inner shell 602, and two inner support feet 6023 can define a placement space, which can be used to accommodate the thermal insulation structure 603, facilitating the installation of the thermal insulation structure 603.

[0174] Specifically, four inner support feet 6023 are provided at the bottom of the inner shell 602. The four inner support feet 6023 are located at the four corners of the bottom of the inner shell 602, and two inner support feet 6023 form a pair. A pair of inner support feet 6023 can define a placement space, and the first heat insulation layer 6031 at the bottom of the inner shell 602 can be arranged in the two placement spaces, so that the first heat insulation layer 6031 is firmly arranged at the bottom of the inner shell 602. When installing the second heat insulation layer 6032 at the bottom of the inner shell 602, only need to attach the second heat insulation layer 6032 to the first heat insulation layer 6031, and the installation is very convenient.

[0175] Please refer to ​ and ​ In some embodiments, reinforcing ribs 6024 are provided on the circumferential side wall of the inner shell 602. The reinforcing ribs 6024 are arranged in a circle along the circumference of the inner shell 602, and the reinforcing ribs 6024 can increase the structural strength of the inner shell 602.

[0176] Optionally, the inner shell 602 is a stainless steel inner liner. The stainless steel inner liner will expand when heated. By providing the reinforcing ribs 6024, the rigidity and stability of the stainless steel inner liner can be increased. The main function of the reinforcing ribs 6024 is to resist the deformation force generated when the inner shell 602 expands due to heat.

[0177] Specifically, when the inner shell 602 expands due to heat, an outward expansion force will be generated. Without sufficient support, this force may cause the inner shell 602 to deform or rupture. By providing the reinforcing ribs 6024 on the side wall of the inner shell 602, it is like adding multiple "support points" on the inner shell 602, so that the reinforcing ribs 6024 can disperse and resist this expansion force, thereby maintaining the shape and stability of the inner shell 602.

[0178] Combined with ​ As shown, at least two reinforcing ribs 6024 are provided on the circumferential side wall of the inner shell 602, and the two reinforcing ribs 6024 are arranged at intervals in the up and down direction. By providing the two reinforcing ribs 6024, the inner shell 602 can be evenly supported and reinforced in all directions, and can effectively resist the outward expansion force generated when the inner shell 602 expands due to heat, and maintain the shape and dimensional stability of the inner shell 602.

[0179] In the drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components; in the description of the present application, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the drawings are only for illustrative purposes and cannot be construed as a limitation of this patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0180] The above is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An installation structure, characterized in that, For connecting a plurality of sub-heat exchangers arranged at intervals in a first direction, the installation structure includes: A first connecting member, disposed at the bottom of the sub-heat exchanger, and the first connecting member includes a first plate body and a plurality of first fixing portions disposed on the first plate body. The plurality of first fixing portions are arranged at intervals along the first direction, and the first fixing portion is connected to the corresponding sub-heat exchanger; and, A second connecting member, disposed at the top of the sub-heat exchanger, and the second connecting member includes a second plate body and a plurality of second fixing portions disposed on the second plate body. The plurality of second fixing portions are arranged at intervals along the first direction, and the second fixing portion is connected to the corresponding sub-heat exchanger.

2. The installation structure according to claim 1, wherein: The first fixing portion includes a first fixing plate, the first fixing plate is connected to the first plate body at an angle, and the first fixing plate is provided with a first fixing hole for connecting to the bottom of the sub-heat exchanger; The second fixing portion includes a second fixing plate, the second fixing plate is connected to the second plate body at an angle, and the second fixing plate is provided with a second fixing hole for connecting to the top of the sub-heat exchanger.

3. The installation structure according to claim 2, characterized in that, The plurality of first fixing holes and the plurality of second fixing holes are arranged in one-to-one correspondence.

4. The installation structure according to claim 1, characterized in that The second connecting member further includes a hanging plate, the hanging plate is connected to the second plate body at an angle, and the hanging plate is provided with a hook hole.

5. The installation structure according to claim 4, characterized in that, The installation structure further includes a hook member, one end of the hook member is provided with a hook portion, the hook portion is hooked with the hook hole, and the other end of the hook member is provided with a lifting hole.

6. The installation structure according to claim 5, characterized in that The hook hole is located between two adjacent second fixing portions.

7. A heat exchanger assembly, characterized in that, Including: A plurality of sub-heat exchangers, the plurality of sub-heat exchangers are arranged in parallel at intervals along the first direction, the top and the bottom of the sub-heat exchanger are arranged opposite to each other along a second direction, each sub-heat exchanger has a plurality of heat exchange flow paths, each heat exchange flow path is formed with a plurality of bending loops along the second direction in a meandering manner, and the plurality of bending loops are reciprocally bent along a third direction, wherein the first direction, the second direction, and the third direction are perpendicular to each other; The installation structure according to any one of claims 1-6; A pipeline structure, including a header pipe and a delivery pipe, the header pipe is disposed on the top of the plurality of sub-heat exchangers, one end of the delivery pipe is communicated with the header pipe, and the other end of the delivery pipe is communicated with the corresponding heat exchange flow path.

8. The heat exchanger assembly according to claim 7, wherein, The sub-heat exchanger forms opposite first and second sides along the third direction. The bottom of the first side of each sub-heat exchanger is connected to the first connecting member, the top of the first side of each sub-heat exchanger is connected to the second connecting member, the bottom of the second side of each sub-heat exchanger is connected to another first connecting member, and the top of the second side of each sub-heat exchanger is connected to another second connecting member.

9. The heat exchanger assembly according to claim 8, wherein Each of the sub-heat exchangers includes a heat exchange body and two side plates, the heat exchange body is formed with the first side and the second side along the third direction, the two side plates are respectively arranged on the first side and the second side, the first connecting member and the second connecting member are respectively fixed to the bottom and top of the multiple side plates on the first side, and the other first connecting member and the other second connecting member are respectively fixed to the bottom and top of the multiple side plates on the second side.

10. The heat exchanger assembly according to claim 7, characterized in that, The heat exchanger assembly further includes a pipe fixing member, wherein two pipe fixing members are spaced apart at opposite ends of the pipeline structure along the first direction, and the two pipe fixing members are respectively connected to opposite ends of the header along the first direction.

11. The heat exchanger assembly according to claim 7, characterized in that, The heat exchanger assembly also includes a protective component, two of which are arranged at the bottom of the multiple sub-heat exchangers, and the two protective components are spaced apart along the third direction on the first side and the second side opposite to the multiple sub-heat exchangers, and the protective components are respectively connected to the bottom of the multiple sub-heat exchangers.

12. The heat exchanger assembly according to claim 7, characterized in that, Each of the sub-heat exchangers is a tube-fin heat exchanger, and each of the sub-heat exchangers has a plurality of fins arranged along the third direction, and each of the heat exchange channels passes through the plurality of fins along the third direction.

13. The heat exchanger assembly according to claim 7, wherein, The sub-heat exchanger includes a heat exchange tube, the heat exchange tube defines the heat exchange flow path, and the heat exchange tube is at least one of a copper tube, a copper alloy tube, an aluminum tube, an aluminum alloy tube, and a stainless steel tube; and / or The pipeline structure is made of at least one of copper pipes, copper alloy pipes, aluminum pipes, aluminum alloy pipes, and stainless steel pipes.

14. The heat exchanger assembly according to claim 7, wherein, The plurality of heat exchange flow paths include at least one charging flow path and at least one discharging flow path. The charging flow path and the heat source unit are located on the same charging circuit, and the discharging flow path and the water utilization unit are located on the same discharging circuit.

15. The heat exchanger assembly according to claim 14, characterized in that, The plurality of heat exchange flow paths include a plurality of charging flow paths and a plurality of discharging flow paths, and the plurality of charging flow paths and the plurality of discharging flow paths are alternately arranged along the first direction.

16. The heat exchanger assembly according to claim 14, wherein The pipeline structure includes at least four collecting pipes, each of which has a charging inlet, a charging outlet, a discharging inlet, and a discharging outlet. The charging inlet and the charging outlet are in communication with the charging flow path, and the discharging inlet and the discharging outlet are in communication with the discharging flow path.

17. The heat exchanger assembly according to claim 7, characterized in that, The pipeline structure further includes a plurality of three-way pipes, one end of each of the three-way pipes is connected to one of the delivery pipes, and the other two ends of each of the three-way pipes are respectively connected to two of the heat exchange flow paths.

18. The heat exchanger assembly according to claim 7, wherein, The plurality of sub-heat exchangers are evenly spaced apart along the first direction.

19. The heat exchanger assembly according to claim 18, wherein, The gap between two adjacent sub-heat exchangers is H1, and H1 satisfies: 5mm≤H1≤10mm.

20. The heat exchanger assembly according to claim 7, characterized in that, The installation structure includes a hook member, and the distance between the conveying pipe arranged adjacent to the hook member and perpendicular to the hook member is H2, and H2 satisfies: 10mm≤H2≤15mm.

21. The heat exchanger assembly according to claim 7, wherein, The mounting structure includes a hook member, and the distance between the collecting pipe arranged adjacent to the hook member and perpendicular to the hook member is H3, and H3 satisfies: 50mm≤H3≤80mm.

22. A heat storage device, characterized in that, include: case; The heat exchanger assembly according to any one of claims 7-20, wherein the heat exchanger assembly is disposed inside the housing; A phase change material, wherein the phase change material is disposed inside the housing, and at least a part of the heat exchanger assembly is buried in the phase change material.

23. The heat storage device according to claim 22, characterized in that, The housing includes an outer shell and an inner shell disposed inside the outer shell. The inner shell has a receiving cavity, the heat exchanger assembly is disposed in the receiving cavity, and the receiving cavity is provided with the phase change material.

24. The heat storage device according to claim 23, wherein An installation space is formed between the inner shell and the outer shell, and the installation space is located above the inner shell. The outer shell is provided with a through pipe orifice communicating with the installation space for an external connecting pipe to extend into the installation space. And the inner shell is provided with an outlet pipe orifice communicating with the installation space, and a part of the pipeline structure passes through the outlet pipe orifice and extends into the installation space to be docked with the external connecting pipe.

25. The heat storage device according to claim 23, characterized in that, The outer shell includes a plurality of outer side covers, an outer top cover, and an outer bottom plate. The plurality of outer side covers are sequentially arranged around the circumference of the inner shell and are connected to each other. The outer top cover is connected to the tops of the plurality of outer side covers, and the outer bottom plate is connected to the bottoms of the plurality of outer side covers; The housing further includes a hanging portion and a fixing member. The fixing member is disposed on the inner shell, and the hanging portion is disposed on the side surface of the outer side cover facing the inner shell, and the hanging portion is snap-connected to the fixing member.

26. The heat storage device according to claim 25, characterized in that, The side of the outer side cover is provided with a bending portion. Among two adjacent outer side covers, two adjacent bending portions on one of the outer side covers form a right-angle portion, and there is a gap between two adjacent bending portions on the other outer side cover and an assembly groove is formed, and the right-angle portion is installed in the assembly groove.

27. The heat storage device according to claim 26, wherein The bending portion is further provided with a folding portion, and the outer side cover is provided with a side fixing hole, and the folding portion is disposed opposite to the side fixing hole.

28. The heat storage device according to claim 25, characterized in that, The outer bottom plate is provided with outer support feet.

29. The heat storage device according to claim 23, wherein, The housing further includes a heat insulation structure, the heat insulation structure is disposed between the inner shell and the outer shell, and the heat insulation structure covers the outer wall surface of the inner shell.

30. The heat storage device according to claim 29, wherein, The housing further includes a hanging portion and a fixing member. The fixing member is disposed on the inner shell, and the hanging portion is disposed on the side surface of the outer shell facing the inner shell, and the hanging portion is snap-connected to the fixing member. A part of the fixing member is disposed between the heat insulation structure and the inner shell, and another part of the fixing member extends out of the heat insulation structure and is snap-connected to the hanging portion.

31. The heat storage device according to claim 30, characterized in that, The fixing member includes an inner connecting portion, an intermediate portion, and an outer connecting portion that are sequentially connected. The inner connecting portion is disposed between the heat insulation structure and the top of the inner shell and is connected to the inner shell. The intermediate portion is connected to the inner connecting portion at an angle, and the intermediate portion passes through the heat insulation structure. The outer connecting portion is connected to the intermediate portion at an angle, and the outer connecting portion extends out of the heat insulation structure and is snap-connected to the hanging portion.

32. The heat storage device according to claim 29, characterized in that, The heat insulation structure covering the top of the inner shell is provided with a plurality of avoiding holes for a pipeline connected to the sub-heat exchanger to extend out.

33. The heat storage device according to claim 29, wherein The thermal insulation structure includes a first thermal insulation layer and a second thermal insulation layer. The first thermal insulation layer is arranged on the outer wall surface of the inner shell, and the second thermal insulation layer is arranged on the side of the first thermal insulation layer away from the inner shell. The thermal insulation coefficient of the first thermal insulation layer is lower than the thermal insulation coefficient of the second thermal insulation layer.

34. The heat storage device according to claim 33, wherein, An escape space is provided at the side edge of the first thermal insulation layer, and the outer cover of the outer shell is provided with a bending portion, the bending portion is located in the escape space, and a folding portion extends from the bending portion into the escape space. The outer cover is also provided with a side fixing hole, the side fixing hole is arranged opposite to at least one inner wall of the escape space, and the folding portion is located between the side fixing hole and at least one inner wall of the escape space.

35. The heat storage device according to claim 33, characterized in that, The first thermal insulation layer and the second thermal insulation layer located on the top of the inner shell are provided with avoidance holes, and the avoidance holes on the first thermal insulation layer are coaxially arranged with the avoidance holes on the second thermal insulation layer.

36. The heat storage device according to claim 29, characterized in that, The bottom of the inner shell is provided with a plurality of inner supporting feet, and two of the inner supporting feet define a placement space, and the placement space is used to accommodate the thermal insulation structure.

37. The heat storage device according to claim 23, characterized in that, Reinforcement ribs are provided on the circumferential side walls of the inner shell, and the reinforcement ribs are arranged in a circle along the circumference of the inner shell.

38. The heat storage device according to claim 37, wherein, At least two reinforcing ribs are provided on the circumferential side wall of the inner shell, and the two reinforcing ribs are spaced apart in the up-down direction.

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