CN211907561U - Energy storage battery cabinet - Google Patents

Abstract

The utility model discloses an energy storage battery cabinet, comprising a power supply control box and a battery box electrically and mechanically connected with the power supply control box. The first hot-plug component and the second hot-plug component of the signal line. During the specific assembly of the energy storage battery cabinet, a corresponding number of battery boxes are stacked as required, and then the electrical and mechanical connections between the battery boxes and the power control box are realized through the hot-swap assembly and the support frame assembly. In the energy storage battery cabinet provided by this application, the number of battery boxes can be changed according to different needs, and different layers can be stacked without disassembling the internal wiring of the box body, and the whole is not affected by space. Therefore, this application The flexibility of the battery capacity configuration of the provided energy storage battery cabinet is improved.

Description

Energy storage battery cabinet

technical field

The utility model relates to the technical field of battery systems, in particular to an energy storage battery cabinet.

Background technique

In household energy storage applications, the installation methods of inverters and batteries are mainly divided into two categories: one is that the battery structure part and the inverter are installed separately, which is generally called a split energy storage system. The other type is that the battery structure part and the inverter are integrated together, which is called an integrated or integrated energy storage system.

For a highly integrated structure, the battery interface is fully integrated into the all-in-one. Integrated design, high integration, more beautiful. However, the battery capacity is fixed, and it is difficult to expand or cut the battery capacity. It can only be connected in parallel through the AC side, and the flexibility of battery capacity configuration is poor.

Therefore, how to improve the flexibility of battery capacity configuration is a technical problem to be solved urgently by those skilled in the art.

Utility model content

The purpose of the utility model is to provide an energy storage battery cabinet to improve the flexibility of battery capacity configuration.

In order to achieve the above purpose, the utility model provides an energy storage battery cabinet, which includes a power control box and a battery box electrically connected to the power control box, and the box body of the power control box is provided with a power line for drawing out power lines and/or a battery box. Or the first hot-pluggable component of the signal line, the box body of the battery box is provided with a second hot-pluggable component for drawing out the power line and/or the signal line.

Preferably, it also includes a junction box, the box body of the junction box is provided with a third hot-plug component adapted to the second hot-plug component on the battery box, the battery box includes a The junction box has the same height as the first battery box, and the junction box is provided with a fourth hot-plug component that can be adapted to the first hot-plug component.

Preferably, there are multiple first battery boxes and junction boxes, and the stacking height of the first battery box and the junction box is the same, and the junction box and the first battery box of the same height Hot-pluggable electrical connection, the junction box at the top is electrically connected to the first hot-pluggable component, and two adjacent junction boxes are electrically connected through a fifth hot-pluggable component.

Preferably, the third hot-pluggable components are provided on opposite sides of the junction box, and the second hot-pluggable components of the two battery box sides at the same height are connected to the first hot-pluggable components at the corresponding height. The three hot-swappable components are plugged, and the first battery box includes a first battery box A and a first battery box B respectively plugged on opposite sides of the junction box.

Preferably, it also includes a base for supporting the battery box, the junction box, and the power control box.

Preferably, the battery box includes a second battery box inserted at the bottom end of the junction box.

Preferably, it also includes an inverter installed on the top of the power control box, and the inverter is plugged and electrically connected to the power control box.

Preferably, an inspection window is provided on the non-plug surface of the side of the battery box.

Preferably, it further includes a support assembly, the support assembly includes a support frame for supporting the battery box, the battery box is in one-to-one correspondence with the support frame, and a side end of the support frame is provided with a support frame for fixing the battery box Mounting holes.

Preferably, two adjacent support frames are detachably connected through a locking device.

In the above technical solution, the energy storage battery cabinet provided by the present invention includes a power supply control box and a battery box electrically and mechanically connected with the power supply control box. A first hot-pluggable assembly and a second hot-pluggable assembly of the wire and/or signal wire. When specifically assembling the energy storage battery cabinet, a corresponding number of battery boxes are stacked according to requirements, and then the electrical connection between the battery box and the power control box is realized through the first hot-plug component and the second hot-plug component.

It can be seen from the above description that in the energy storage battery cabinet provided in this application, the number of battery boxes can be changed according to different needs, and different layers can be stacked without disassembling the internal wiring of the box body, and the whole is not affected by space Therefore, the flexibility of the battery capacity configuration of the energy storage battery cabinet provided by the present application is improved.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description It is only an embodiment of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained according to the provided drawings without creative efforts.

1 is a schematic structural diagram of a first energy storage battery cabinet provided by an embodiment of the present invention;

2 is a schematic structural diagram of a second energy storage battery cabinet provided by an embodiment of the present invention;

3 is a schematic structural diagram of a third energy storage battery cabinet provided by an embodiment of the present invention;

4 is a schematic structural diagram of a fourth energy storage battery cabinet provided by an embodiment of the present invention;

5 is a schematic structural diagram of a fifth energy storage battery cabinet provided by an embodiment of the present invention;

6 is a schematic structural diagram of a sixth kind of energy storage battery cabinet provided by an embodiment of the present invention;

7 is a schematic structural diagram of a seventh kind of energy storage battery cabinet provided by an embodiment of the present invention;

8 is a schematic structural diagram of an eighth energy storage battery cabinet provided by an embodiment of the present invention;

Fig. 9 is the structural schematic diagram of assembling the junction box on the base;

Figure 10 is a schematic structural diagram of assembling a support assembly on a base;

FIG. 11 is a schematic structural diagram of assembling the battery box on FIG. 10;

FIG. 12 is a schematic structural diagram of assembling the power control box and the inverter on the FIG. 11 .

Among them, in Figure 1-12: 1. Inverter; 2. Power control box; 3. Junction box;

4. The battery box; 4-1, the first battery box A; 4-2, the first battery box B; 4-3, the second battery box; 4-4, the first battery box C;

5. The base; 6. The third hot-pluggable component; 7. The fifth hot-pluggable component; 8. The support component.

Detailed ways

The core of the utility model is to provide an energy storage battery cabinet to improve the flexibility of battery capacity configuration.

In order to make those skilled in the art better understand the technical solutions of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

Please refer to Figure 1 to Figure 12.

In a specific implementation manner, the energy storage battery cabinet provided by the specific embodiment of the present invention includes a power supply control box 2 and a battery box 4 electrically connected to the power supply control box 2 . Among them, the power control box 2 is used to monitor multiple battery boxes 4 inside the energy storage battery cabinet, that is, BMS management.

The box body of the power control box 2 is provided with a first hot-plug assembly for drawing out power lines and/or signal lines, and the box body of the battery box 4 is provided with a second hot-plug assembly for drawing out power lines and/or signal lines Pull out the components.

When specifically assembling the energy storage battery cabinet, a corresponding number of battery boxes 4 are stacked according to requirements, and then the electrical connection between the battery box and the power control box is realized through the first hot-plug component and the second hot-plug component. The battery box 4 and the power control box 2 can be mechanically connected through the support frame assembly.

It can be seen from the above description that in the energy storage battery cabinet provided in this application, the number of battery boxes can be changed according to different needs, and different layers can be stacked without disassembling the internal wiring of the box body, and the whole is not affected by space Therefore, the flexibility of the battery capacity configuration of the energy storage battery cabinet provided by the present application is improved, and therefore, the flexibility of the battery capacity configuration of the energy storage battery cabinet provided by the present application is improved.

The independent unit design of the power control box 2 can flexibly manage multiple series expansion energy storage battery cabinets, saving hardware costs. In the present application, the design of the independent modular battery box 4 makes the capacity expansion and cutting of the energy storage battery cabinet flexible, and is not limited by the volume and space of the integrated energy storage battery cabinet itself.

In a specific embodiment, the energy storage battery cabinet further includes a junction box 3 , and the box body of the junction box 3 is provided with a third hot-plug component 6 adapted to the second hot-plug component on the battery box 4 , the battery box 4 includes a first battery box whose height is equal to that of the junction box 3, and the junction box 3 is provided with a fourth hot-plug component that can be adapted to the first hot-plug component. Specifically, the fourth hot-plug component The components are arranged at the top of the junction box 3, and the third hot-swap component 6 is arranged at the side end of the junction box. The series-parallel connection is realized by adjusting the wiring of the second hot-swap components on the longitudinally adjacent battery boxes 4 .

Specifically, the junction box 3 and the battery box 4 are in a row. As shown in FIG. 1 , the junction box 3 is located on the left side of the battery box 4 . As shown in FIG. 2 , the junction box 3 can also be set on the right side of the battery box 4 . The above is about the case where the battery boxes 4 are arranged in a row.

Specifically, there are multiple first battery boxes and junction boxes 3, and the stacking heights of the first battery box and the junction box 3 are equal, the junction box 3 is plugged with the first battery box of the same height, and the junction box 3 at the top is connected to the same height. In the hot-pluggable assembly, two adjacent junction boxes 3 are electrically connected through the fifth hot-pluggable assembly 7 . The first hot-plug component, the second hot-plug component, the third hot-plug component 6, the fourth hot-plug component and the fifth hot-plug component 7 are preferably all quick-plug terminals (including power transmission and signal transmission functions). ).

Specifically, as shown in FIGS. 6 to 8 , opposite sides of the junction box 3 are provided with third hot-swap assemblies 6 , and the first battery box 4 includes first batteries that are respectively inserted on opposite sides of the junction box 3 . The box A4-1 and the first battery box B4-2, in which the battery boxes 4 can be stacked vertically and horizontally at the same time, are compatible with more installation scenarios. Of course, as shown in FIG. 5 , when the first hot-swappable component of the battery box in the energy storage battery cabinet can be directly electrically connected to the second hot-swappable component of the power control box through a wire, no wiring is provided in the energy storage battery cabinet at this time. Box 3. 6 is a case where there are three junction boxes 3 , and FIG. 7 is a case where there are four junction boxes 3 . FIG. 8 shows the case where there are five junction boxes 3 , wherein the number of the junction boxes 3 and battery boxes 4 on a row can be specifically limited according to actual needs, and is not limited to the above situation.

In another embodiment, the battery boxes 4 may be arranged in two rows, and the two rows of battery boxes 4 are located on the same side of the junction box 3 .

As shown in FIG. 3 , the first battery box includes a first battery box C4-4, both sides of the first battery box C4-4 are provided with hot-swappable components, and the middle of the first battery box C4-4 is inserted and expanded. The first battery box C4-4 is also electrically connected to the first battery box A4-1 through a hot-swap assembly. When the battery needs to be expanded, one or more layers of battery boxes 4 can be directly stacked. At the same time, the capacity can also be expanded horizontally and vertically. When the size is insufficient for a certain direction, the present application is more compatible.

In a specific embodiment, the energy storage battery cabinet further includes a base 5 for supporting the battery box 4 , the junction box 3 , and the power control box 2 . Specifically, the base 5 is detachably and fixedly connected to the battery box 4 or the junction box 3 .

Specifically, as shown in FIG. 4 , the battery box 4 includes a second battery box 4 - 3 that is plugged into the bottom end of the junction box 3 . Specifically, there may be one or more second battery boxes 4-3, etc. A plurality of second battery boxes 4-3 are stacked in sequence. Specifically, the two adjacent second battery boxes 4-3 are electrically connected by plugging, and the second battery box 4-3 at the top is electrically connected with the junction box 3 at the bottom.

The energy storage battery cabinet provided by the present application further includes an inverter 1 installed on the top of the power control box 2 , and the inverter 1 is electrically connected to the power control box 2 . The inverter 1 unit can be flexibly configured as a hybrid solar-storage inverter, an AC-coupled inverter or a DC-coupled inverter. The inverter 1 can be electrically connected to the power control box 2 by plugging.

In a specific embodiment, an inspection window is provided on the non-plug surface of the side of the battery box 4 . A single battery box 4 is provided with an inspection window, and the damaged internal parts can be replaced directly without disassembling the battery box 4 .

On the basis of the above solutions, the energy storage battery cabinet further includes a support assembly 8, the support assembly 8 includes a support frame for supporting the battery box 4, the battery box 4 corresponds to the support frame one-to-one, and the side end of the support frame is provided with The mounting hole for fixing the battery box 4, the battery box 4 can be pulled out from the opening position of the side end of the support frame, and a single battery box 4 can be disassembled independently, which is convenient for maintenance and replacement of vulnerable components, and there is no need to disassemble other parts, and the maintenance is convenient and fast.

Preferably, two adjacent support frames are detachably connected through a locking device. Specifically, the locking device may be a threaded fastener or a buckle or the like.

When assembling the energy storage battery cabinet, place the base 5 stably, then install the junction box 3, then install the detachable support assembly 8, and finally place the battery box 4 on the support frame of each layer, and push it into the connection box. The boxes 3 are inserted in pairs, and the quick-plug connectors are installed to realize electrical connection and fixation. Finally, the power control box 2 and the inverter 1 are stacked and placed.

The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same and similar parts between the various embodiments can be referred to each other.

The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Thus, the present invention is not intended to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides an energy storage battery cabinet, its characterized in that, including power control box (2) and with battery case (4) that power control box (2) electricity is connected, be equipped with the first hot plug subassembly that is used for drawing forth power line and/or signal line on the box body of power control box (2), be equipped with the second hot plug subassembly that is used for drawing forth power line and/or signal line on the box body of battery case (4).

2. The energy storage battery cabinet according to claim 1, characterized by further comprising a junction box (3), wherein a third hot plug assembly (6) adapted to the second hot plug assembly on the battery box (4) is arranged on a box body of the junction box (3), the battery box (4) comprises a first battery box having a height equal to that of the junction box (3), and a fourth hot plug assembly adapted to the first hot plug assembly is arranged on the junction box (3).

3. The energy storage battery cabinet as claimed in claim 2, characterized in that the first battery box and the junction box (3) are multiple, the stacking height of the first battery box and the junction box (3) is equal, the junction box (3) is in hot-plug electrical connection with the first battery box of the same height, the top junction box (3) is in electrical connection with the first hot-plug assembly, and two adjacent junction boxes (3) are in electrical connection through a fifth hot-plug assembly (7).

4. The energy storage battery cabinet as claimed in claim 2, wherein the third hot plug assemblies (6) are arranged on two opposite sides of the junction box (3), the second hot plug assemblies on the side portions of the two battery boxes (4) at the same height are plugged with the third hot plug assemblies (6) at the corresponding height, and the first battery box comprises a first battery box A (4-1) and a first battery box B (4-2) which are plugged on two opposite sides of the junction box (3) respectively.

5. Energy storage battery cabinet according to claim 2, characterized by further comprising a base (5) for supporting the battery box (4), the junction box (3), the power control box (2).

6. An energy storage battery cabinet according to claim 2, characterized in that the battery compartment (4) comprises a second battery compartment (4-3) plugged in at the bottom end of the junction box (3).

7. The energy storage battery cabinet according to claim 1, characterized by further comprising an inverter (1) mounted on the top end of the power control box (2), wherein the inverter (1) is electrically connected with the power control box (2) in a plugging manner.

8. The energy storage battery cabinet as claimed in claim 1, wherein an access window is arranged on the non-plugging surface of the side surface of the battery box (4).

9. The energy storage battery cabinet according to any one of claims 1-8, characterized by further comprising a support assembly (8), wherein the support assembly (8) comprises a support frame for supporting the battery boxes (4), the battery boxes (4) correspond to the support frame in a one-to-one manner, and the side end of the support frame is provided with a mounting hole for fixing the battery boxes (4).

10. The energy storage battery cabinet of claim 9, wherein two adjacent support frames are detachably connected by a locking device.

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