Module prefabrication assembly structure and container

Abstract

The utility model relates to the technical field of energy storage systems, in particular to a module prefabricated assembly structure and a container. A module prefabricated assembly structure comprises a bearing frame; the number of the modules is two, and the two modules are arranged along the depth of the bearing frame; the junction box is located on the outer sides of the two modules, and the two modules are electrically connected with the junction box; the junction box and the modules located on the outer side are supported by the bearing frame in an overhead mode, and the modules located on the inner side are wired through the lower portions of the modules located on the outer side and the lower portion of the junction box. Or a gap exists between at least one side of the junction box and the module and the bearing frame for lateral wiring. The utility model further provides a container. The container comprises a container body; and a module prefabricated assembly structure, wherein the module prefabricated assembly structure is accommodated in the box body. The technical problem that in the prior art, space utilization and wiring installation cannot be achieved in a container at the same time is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of energy storage systems, and in particular to a module prefabricated assembly structure and a container. Background Art

[0002] At present, it has become a trend to integrate converters into containers. Since the PCS module is shallow and the container is deep, if only one PCS module is placed in the depth direction, the depth direction of the container will not be fully utilized, and the space utilization rate is low, so two PCS modules are usually placed flat.

[0003] For example, the application document with application number CN202321789238.8 discloses an electrical device, an energy storage system and a new energy storage system, and specifically discloses: the electrical equipment includes: a wiring cabinet, a radiator, an inverter and a drive pump, and the wiring cabinet and the inverter can be installed on a tray. The tray can be used to support and bear the wiring cabinet and the inverter. The connection method between the wiring cabinet and the tray may include bolt connection, snap connection or pin connection, etc. For example, in some embodiments, the connection method between the wiring cabinet and the tray is a snap connection. The connection method between the inverter and the tray may include bolt connection, snap connection or pin connection, etc. For example, in some embodiments, the connection method between the inverter and the tray is a snap connection.

[0004] In the above application, two converters are arranged side by side in the depth direction of the pallet, which improves the space utilization. However, there are problems such as the innermost converter in the container cannot be installed and wired, and the DC isolating switch in the module cannot be operated. Utility Model Content

[0005] In order to solve the problem in the prior art that space utilization and installation and wiring cannot be taken into account in the container, the utility model provides a modular prefabricated assembly structure and a container to solve the above technical problems.

[0006] The technical solution adopted by the utility model is as follows:

[0007] The utility model provides a module prefabricated assembly structure, comprising:

[0008] Load-bearing frame;

[0009] Modules, there are two modules, and the two modules are arranged along the depth of the load-bearing frame;

[0010] A junction box, which is located outside the two modules and is electrically connected to the two modules;

[0011] The junction box and the modules located on the outside are suspended by the supporting frame, and the modules located on the inside are routed under the modules on the outside and under the junction box; or, there is a gap between at least one side of the junction box and the module and the supporting frame for side routing.

[0012] According to an embodiment of the present invention, a BMS is further included. The BMS is arranged for each module. The BMS is arranged above the inner module and below the outer module.

[0013] According to an embodiment of the utility model, guide rails are installed on both side walls of the load-bearing frame, and the junction box and the outer modules are supported by the guide rails.

[0014] According to an embodiment of the present invention, the module is a liquid-cooled PCS module, and a liquid inlet interface and a liquid outlet interface are formed on the module.

[0015] According to an embodiment of the present utility model, a communication port, an AC terminal and a DC terminal are correspondingly formed on the module and the junction box.

[0016] The utility model also provides a container, comprising:

[0017] Box;

[0018] A module prefabricated assembly structure is housed in the box.

[0019] According to an embodiment of the utility model, a battery compartment and a module compartment are formed in the box body, and the module prefabricated assembly structure is slidably assembled to the module compartment.

[0020] According to an embodiment of the utility model, there are a plurality of battery compartments, which are horizontally arranged side by side, and there are a plurality of module compartments, which are horizontally arranged side by side, and the module compartments are located above or below the battery compartments.

[0021] According to an embodiment of the utility model, a cooling pipeline is introduced into the box body, and the module is connected to the cooling pipeline.

[0022] According to an embodiment of the present utility model, the cooling pipeline includes a liquid inlet pipeline and a liquid outlet pipeline, and the liquid inlet pipeline and the liquid outlet pipeline pass through all module compartments.

[0023] Based on the above technical solution, the technical effects that can be achieved by the utility model are:

[0024] 1. The module prefabricated assembly structure of the utility model can make full use of the depth space of the load-bearing frame and the container by arranging two modules along the depth of the load-bearing frame, and then by arranging the modules and the junction box located on the outside to be suspended, it is convenient to route the inner module from the bottom of the outer module and the junction box and then electrically connect to the junction box. Since there is a height difference between the inner module and the outer module, the cables of the inner module do not need to be bent, which is convenient for wiring. At the same time, the gap between the inner module and the outer module can be reduced, and the compactness of the overall structure is improved, that is, space utilization and installation wiring are taken into account. It is also possible to set a gap between at least one side of the module and the junction box and the load-bearing frame for lateral wiring, which can also achieve the function of convenient wiring and installation wiring that takes into account space utilization.

[0025] 2. The module prefabricated assembly structure of the utility model is provided with a BMS for each module, the BMS is provided above the module located on the inner side, and the BMS is provided below the module located on the outer side, so that full use of space can be achieved;

[0026] 3. The module prefabricated assembly structure of the utility model has various interfaces formed on the modules and the junction box, and the outer modules are suspended to facilitate the AC and DC wiring, communication wiring and water pipe wiring of the liquid-cooled PCS module;

[0027] 4. The container of the utility model can fully utilize the space in the container by forming a battery compartment and a module compartment in the container; a cooling pipeline is introduced into the container, and the cooling pipeline passes through all the module compartments, which facilitates the connection between the module and the cooling pipeline to achieve cooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a structural schematic diagram of a module prefabricated assembly structure of Embodiment 1 of the present utility model;

[0029] Figure 2 The main view of the module prefabricated assembly structure;

[0030] Figure 3 A top view of the prefabricated assembly structure for the modules;

[0031] Figure 4 This is a schematic diagram of the structure where the inner module passes through the overhead space after the outer module is removed;

[0032] Figure 5 It is a schematic diagram of the structure in which the inner module is placed in the load-bearing frame;

[0033] Figure 6 This is the main view of the module;

[0034] Figure 7 This is the main view of the junction box;

[0035] Figure 8This is a schematic diagram of the structure of the container;

[0036] Fig. 9 This is a schematic diagram of the structure of the container when the module prefabricated assembly structure is pulled out;

[0037] Fig.10 It is a three-dimensional picture of a container;

[0038] Fig.11 for Fig.10 A magnified view of part A;

[0039] Fig.12 This is a three-dimensional image of the container from another perspective;

[0040] Fig.13 for Fig.12 A magnified view of part B;

[0041] Fig.14 This is a front view of the module prefabricated assembly structure of the second embodiment of the present utility model;

[0042] Fig.15 A top view of the prefabricated assembly structure for the modules;

[0043] In the figure: 1-carrying frame; 11-guide rail; 2-module; 21-first communication port; 22-first AC terminal; 23-first DC terminal; 24-liquid inlet interface; 25-liquid outlet interface; 3-junction box; 31-second communication port; 32-second AC terminal; 33-second DC terminal; 34-DC disconnector; 4-BMS; 5-cooling pipe; 6-cable; 7-box; 71-horizontal partition; 72-longitudinal partition; 73-battery compartment; 74-module compartment; 8-cooling pipeline; 81-liquid inlet pipeline; 82-liquid outlet pipeline. DETAILED DESCRIPTION

[0044] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0045] Embodiment 1

[0046] like Figure 1-13 As shown, this embodiment provides a module prefabricated assembly structure, including a supporting frame 1, in which a module 2 and a junction box 3 are carried. A plurality of interfaces and wiring terminals are formed on the module 2 and the junction box 3, and the corresponding interfaces and wiring terminals are electrically connected through cables 6.

[0047] The supporting frame 1 is a square drawer structure. To avoid shielding the panel 31 of the junction box 3, the outer plate of the supporting frame 1 is omitted, that is, the supporting frame 1 is a square structure including a bottom plate and three side plates. The bottom plate of the supporting frame 1 is a rectangular plate.

[0048] As a preferred technical solution of this embodiment, in order to make full use of the space of the supporting frame 1, two modules 2 and a junction box 3 can be arranged in the supporting frame 1 along the length direction of the supporting frame 1. The junction box 3 is located on the outside of the two modules 2, and the panel of the junction box 3 provided with the interface and the terminal blocks faces outward.

[0049] As a preferred technical solution of this embodiment, in order to facilitate the passage of the cable 6 connecting the two modules 2 and the junction box 3, the module 2 and the junction box 3 located on the outside are supported by the load-bearing frame 1. Correspondingly, guide rails 11 are symmetrically mounted on the two side walls of the load-bearing frame 1, and the guide rails 11 are higher than the upper surface of the bottom plate of the load-bearing frame 1. The module 2 located on the inside is placed on the bottom plate of the load-bearing frame 1, and the module 2 and the junction box 3 located on the outside are supported by the guide rails 11. In this way, the module 2 and the junction box 3 on the outside are suspended relative to the module 2 on the inside, and an overhead space is left below the module 2 and the junction box 3 on the outside to facilitate the passage of the wires. Preferably, the guide rail 11 is an L-shaped guide rail, and the vertical surface of the guide rail 11 is close to the side of the load-bearing frame 1 and fixed thereto.

[0050] Module 2 is a PCS module, and module 2 has a square structure. A first communication port 21, a first AC terminal 22, and a first DC terminal 23 are formed on the panel of module 2; two groups of second communication ports 31, two groups of second AC terminals 32, and two groups of second DC terminals 33 are formed on the panel of the junction box 3. The first communication ports 21 on the two modules 2 and the two groups of second communication ports 31 on the junction box 3 can be connected correspondingly through cables 6, the first AC terminals 22 on the two modules 2 and the two groups of second AC terminals 32 on the junction box 3 can be connected correspondingly through cables 6, and the first DC terminals 23 on the two modules 2 and the two groups of second AC terminals 32 on the junction box 3 can be connected correspondingly through cables 6.

[0051] As a preferred technical solution of this embodiment, module 2 is a liquid-cooled PCS module, and a cooling medium can be introduced into module 2 to cool module 2. Specifically, a liquid inlet interface 24 and a liquid outlet interface 25 are also provided on the panel of module 2, and a water flow channel is formed inside module 2, and the cooling medium can enter the module 2 through the liquid inlet interface 24, and the cooling medium after heat exchange flows out of module 2 through the liquid outlet interface 25. The liquid inlet interface 24 and the liquid outlet interface 25 can be connected to the cooling pipe 5, and the cooling medium is connected through the cooling pipe 5 and the cooling medium after heat exchange flows out.

[0052] As a preferred technical solution of this embodiment, each module 2 is also provided with a corresponding BMS 4. In order to fully utilize the space and achieve a compact structure, the BMS 4 corresponding to the module 2 located on the inner side is arranged above the module 2, and the BMS 4 corresponding to the module 2 located on the outer side is arranged below the module 2, that is, located in the overhead space.

[0053] As a preferred technical solution of this embodiment, two modules 2 and a junction box 3 are arranged side by side in the load-bearing frame 1, the junction box 3 is located outside the two modules 2, the panels of the two modules 2 are arranged toward the junction box 3, and the junction box 3 is arranged outward. The cable 6 connecting the module 2 located on the inside and the junction box 3 passes through the overhead space below the module 2 and the junction box 3 located on the outside, and the cable 6 connecting the module 2 located on the outside and the junction box 3 passes through the overhead space below the junction box 3.

[0054] This embodiment further provides a container, including a box body 7 , wherein a receiving space is formed inside the box body 7 , and a plurality of module prefabricated assembly structures are accommodated in the box body 7 .

[0055] A battery compartment 73 and a module compartment 74 are formed in the box body 7, and the module prefabricated assembly structure is slidably assembled to the module compartment 74. Specifically, a transverse partition 71 and a longitudinal partition 72 are provided in the box body 7, and the box body 7 is divided into a plurality of battery compartments 73 and module compartments 74, a plurality of battery compartments 73 are arranged horizontally side by side, a plurality of module compartments 74 are arranged horizontally side by side, and the module compartment 74 is located above or below the battery compartment 73. In this embodiment, the module compartment 74 can be arranged below the battery compartment 73.

[0056] As a preferred technical solution of this embodiment, the module prefabricated assembly structure can be assembled into the module compartment 74 by sliding, pushing and pulling.

[0057] A cooling pipeline 8 is introduced into the box body 7, and the cooling pipeline 8 includes a liquid inlet pipeline 81 and a liquid outlet pipeline 82. The liquid inlet pipeline 81 is used to introduce the cooling medium. The liquid inlet interface 24 on the module 2 is connected with the liquid inlet pipeline 81 through a cooling pipeline 5 to introduce the cooling medium into the module 2; the liquid outlet pipeline 82 is used to lead out the cooling medium after heat exchange. The liquid outlet interface 25 on the module 2 is connected with the liquid outlet pipeline 82 through another cooling pipeline 5 to let the cooling medium after heat exchange flow out.

[0058] As a preferred technical solution of this embodiment, the liquid inlet pipeline 81 and the liquid outlet pipeline 82 are arranged side by side, and the liquid inlet pipeline 81 and the liquid outlet pipeline 82 pass through all the module compartments 74 .

[0059] Embodiment 2

[0060] like Figure 14-15As shown, this embodiment is basically the same as the first embodiment, except that the module 2 of this embodiment does not need to be arranged overhead, and a gap can be provided between at least one side of the module 2 and the junction box 3 and the supporting frame 1 to allow side wiring.

[0061] Specifically, the two modules 2 and the junction box 3 are directly placed on the inner bottom surface of the load-bearing frame 1. Since there is a gap between the side edges of the modules 2 and the junction box 3 and the inner side surface of the load-bearing frame 1, the connected cooling pipes 5 and cables 6 can pass through the gap. Preferably, there is a gap between the two sides of the two modules 2 and the junction box 3 and the two side surfaces of the load-bearing frame 1, and the cooling pipes 5 and cables 6 can pass through the close gap to avoid winding and occupying space.

[0062] Since the wiring is carried out sideways, the positions of the BMS 4 corresponding to the two modules 2 do not need to be limited.

[0063] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two modules or the interaction relationship between two modules.

Claims

1. A modular prefabricated assembly structure, characterized in that: include: A load-bearing frame (1); Modules (2), there are two modules (2), and the two modules (2) are arranged along the depth of the supporting frame (1); A junction box (3), the junction box (3) being located outside the two modules (2), and the two modules (2) being electrically connected to the junction box (3); The junction box (3) and the module (2) located on the outside are supported overhead by the supporting frame (1), and the module (2) located on the inside is routed under the module (2) on the outside and under the junction box (3); or, there is a gap between at least one side of the junction box (3) and the module (2) and the supporting frame (1) to allow side routing.

2. A modular prefabricated assembly structure according to claim 1, characterized in that: It also includes a BMS (4), which is arranged for the module (2), the BMS (4) being arranged above the inner module (2) and the BMS (4) being arranged below the outer module (2).

3. A modular prefabricated assembly structure according to claim 1, characterized in that: Guide rails (11) are mounted on both side walls of the load-bearing frame (1), and the junction box (3) and the outer module (2) are supported by the guide rails (11).

4. A modular prefabricated assembly structure according to claim 1, characterized in that: The module (2) is a liquid-cooled PCS module, and a liquid inlet interface (24) and a liquid outlet interface (25) are formed on the module (2).

5. The modular prefabricated assembly structure according to claim 1, characterized in that: The module (2) and the junction box (3) are correspondingly provided with a communication port, an AC connection terminal and a DC connection terminal.

6. A container, characterized in that: include: Box body (7); The modular prefabricated assembly structure according to any one of claims 1 to 5, wherein the modular prefabricated assembly structure is accommodated in the box (7).

7. A container according to claim 6, characterized in that: A battery compartment (73) and a module compartment (74) are formed in the box body (7), and the module prefabricated assembly structure is slidably assembled into the module compartment (74).

8. A container according to claim 7, characterized in that: There are a plurality of battery compartments (73), which are arranged horizontally side by side; there are a plurality of module compartments (74), which are arranged horizontally side by side; and the module compartments (74) are located above or below the battery compartments (73).

9. A container according to claim 7, characterized in that: A cooling pipeline (8) is introduced into the box (7), and the module (2) is in communication with the cooling pipeline (8).

10. A container according to claim 9, characterized in that: The cooling pipeline comprises a liquid inlet pipeline (81) and a liquid outlet pipeline (82), and the liquid inlet pipeline (81) and the liquid outlet pipeline (82) pass through all module compartments (74).

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