Modular energy storage system

Abstract

The utility model discloses a modular energy storage system. The modular energy storage system comprises a bottom support, a battery box, a cable, a water cooling unit and a high-voltage box. The bottom support is used for connecting and fixing. The battery box is connected to the bottom support, and an electric connector is arranged on one side of the battery box. The water cooling unit and the high-voltage box are both arranged on the bottom support and located on the side, provided with the electric connector, of the battery box, a quick-connection socket is formed in the high-voltage box, and the high-voltage box is electrically connected with the water cooling unit. One end of the cable is connected to the electric connector, and the other end of the cable is provided with a quick connector so as to be connected to the quick socket of the high-voltage box. According to the modularized energy storage system, the battery box, the water cooling unit and the high-voltage box are not arranged in the same box shell, the battery box, the water cooling unit and the high-voltage box are modularly designed, when any one of the battery box, the water cooling unit and the high-voltage box breaks down, maintenance or replacement can be directly carried out, the high-voltage box is provided with the quick-connection socket, and the cable is connected to the quick-connection socket through the quick-connection connector. And cables are convenient to disassemble and assemble, so that the battery box, the high-voltage box and the water chilling unit are very convenient to maintain and replace.

Description

Technical Field

[0001] The utility model relates to the technical field of energy storage systems, and in particular to a modular energy storage system. Background Art

[0002] The existing battery system includes a box shell, a battery pack, a high-voltage box and a water-cooling unit. The box shell has a cavity, and the battery pack, the high-voltage box and the water-cooling unit are respectively located at different positions in the cavity. This makes the battery system highly integrated, but when the battery pack, the high-voltage box and the water-cooling unit fail, it is necessary to open the box shell and take out the failed equipment for inspection or replacement. The high-voltage box is electrically connected to the battery pack and the air-cooling unit through multiple cables, which makes it inconvenient to repair or replace the high-voltage box, and the maintenance is difficult.

[0003] In view of this, the present utility model is proposed. Utility Model Content

[0004] The utility model provides a modular energy storage system.

[0005] The utility model adopts the following technical solutions:

[0006] A modular energy storage system, comprising:

[0007] A bottom bracket, the bottom bracket is used for connection and fixing;

[0008] A battery box, the battery box is connected to the base, and an electrical connector is provided on one side of the battery box;

[0009] A water cooling unit and a high-voltage box, both of which are arranged on the bottom bracket, and are located on a side of the battery box where an electrical connector is arranged, and a quick-connect socket is arranged on the high-voltage box, and the high-voltage box and the water cooling unit are electrically connected;

[0010] A cable, one end of which is connected to the electrical connector, and the other end of which is provided with a quick-connect connector to be connected to the quick-connect socket of the high-voltage box.

[0011] Optionally, the base has an extension bracket extending out of the bottom of the battery box;

[0012] The water cooling unit and the high pressure box are arranged on the extension support.

[0013] Optionally, the battery box has a front panel, the water cooling unit and the high voltage box are attached to the front panel of the battery box, and the front panel of the battery box has an extension plate extending from the water cooling unit and the high voltage box;

[0014] The electrical connector is disposed on the extension plate.

[0015] Optionally, the high voltage box has a side surface perpendicular to the front panel;

[0016] The quick-connect socket is connected to the side surface.

[0017] Optionally, a receiving space is formed between the overall structure formed by the water cooling unit and the high-pressure box and the front panel;

[0018] The cable is located in the accommodating space.

[0019] Optionally, the modular energy storage system includes a support frame;

[0020] The support frame is arranged on the extension bracket, and the support frame is fixedly connected to the battery box and the extension bracket respectively;

[0021] The support frame has a cavity, the high-pressure box is arranged in the cavity, and the water cooling unit is mounted on the support frame.

[0022] Optionally, the support frame includes a top frame, a bottom frame and a side frame;

[0023] The top frame and the bottom frame are arranged at intervals;

[0024] The side frames are connected to the top frame and the bottom frame respectively.

[0025] The bottom frame is connected to the bottom bracket, and the side frame is connected to the battery box;

[0026] The water cooling unit is connected to the top frame;

[0027] The cavity is formed between the top frame, the bottom frame and the side frames.

[0028] Optionally, the battery box includes a reinforcement frame, a frame and a cover plate covering the frame;

[0029] The cover plate includes a rear panel and the front panel;

[0030] The rear panel and the front panel are located on opposite sides of the frame;

[0031] The reinforcement frame is connected to the frame, and the reinforcement frame covers the rear panel.

[0032] Optionally, the skeleton includes four skeleton frames, the four skeleton frames are arranged in sequence, and adjacent skeleton frames are vertically connected;

[0033] The four skeleton frames enclose a front opening and a rear opening;

[0034] The front panel is connected to the frame to cover the front opening, and the rear panel is connected to the frame to cover the rear opening;

[0035] The reinforcement frame includes a peripheral side beam and a middle reinforcement beam assembly, and the peripheral side beams are respectively connected to the four skeleton frames;

[0036] The middle reinforcement beam assembly is located inside the peripheral side beams and is respectively connected to the peripheral side beams.

[0037] Optionally, the peripheral side beams include four side beams;

[0038] The four side beams are respectively connected to corresponding skeleton frames, and two adjacent side beams are vertically connected;

[0039] The middle reinforcement beam assembly includes a cross beam and a plurality of oblique beams;

[0040] The cross beam is respectively connected to each of the side beams, and the cross beam and the side beam are combined to form a rectangular opening. Each of the oblique beams is arranged in the rectangular opening and is connected and fixed to the cross beam and / or the side beam.

[0041] By adopting the above technical solution, the utility model has the following beneficial effects:

[0042] The modular energy storage system of the present application does not set the battery box, water cooling unit and high-voltage box in the same box shell, so that the three are modularly designed. When any one of the three fails, it can be directly repaired or replaced. A quick-connect socket is set on the high-voltage box, and the cable is connected to the quick-connect socket through a quick-connect connector, which is convenient for disassembly and assembly of the cables, making the maintenance and replacement of the battery box, high-voltage box and water cooling unit very convenient.

[0043] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] The accompanying drawings are part of this application and are used to provide a further understanding of the utility model. The schematic embodiments of the utility model and their descriptions are used to explain the utility model, but do not constitute an improper limitation on the utility model. Obviously, the drawings described below are only some embodiments. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0045] Figure 1 A first perspective view of a modular energy storage system provided in an embodiment of the present application;

[0046] Figure 2 A second viewing angle diagram of a modular energy storage system provided in an embodiment of the present application;

[0047] Figure 3 A schematic diagram of the internal structure of a modular energy storage system provided in an embodiment of the present application.

[0048] In the figure, a base support 1, an extension support 11, a battery box 2, a frame 21, a cover plate 22, a front panel 221, a rear panel 222, a reinforcing frame 23, a peripheral side beam 231, a middle reinforcing beam assembly 232, a cross beam 2321, an oblique beam 2322, an electrical connector 24, a water cooling unit 3, a high-voltage box 4, a side surface 44, a cable 7, a supporting frame 6, a top frame 61, a bottom frame 62, and a side frame 63.

[0049] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0050] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0051] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0052] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral 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. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0053] See also Figures 1 to 3As shown, an embodiment of the present application provides a modular energy storage system, including: a base 1, a battery box 2, a cable 7, a water cooling unit 3 and a high-voltage box 4. The base 1 is used for connection and fixation. The battery box 2 is connected to the base 1, and an electrical connector 24 is provided on one side of the battery box 2. The water cooling unit 3 and the high-voltage box 4 are both provided on the base 1, and the water cooling unit 3 and the high-voltage box 4 are located on the side of the battery box 2 where the electrical connector 24 is provided. A quick-connect socket is provided on the high-voltage box 4, and the high-voltage box 4 and the water cooling unit 3 are electrically connected. One end of the cable 7 is connected to the electrical connector 24, and the other end of the cable 7 is provided with a quick-connect connector to connect to the quick-connect socket of the high-voltage box 4. The modular energy storage system of the present application does not set the battery box 2, the water cooling unit 3 and the high-voltage box 4 in the same box shell, so that the three are modularly designed. When any one of the three fails, it can be directly repaired or replaced. A quick-connect socket is set on the high-voltage box 4, and the cable 7 is connected to the quick-connect socket through a quick-connect connector, which is convenient for disassembly and assembly of the cable 7, making the maintenance and replacement of the battery box 2, the high-voltage box 4 and the water cooling unit 3 very convenient.

[0054] like Figure 1 and Figure 3 As shown, the bottom bracket 1 has an extension bracket 11 extending from the bottom of the battery box 2, and the water cooling unit 3 and the high-voltage box 4 are arranged on the extension bracket 11. The area of ​​the bottom bracket 1 is larger than the area of ​​the bottom of the battery box 2, and the position where the bottom bracket 1 extends from the bottom of the battery box 2 is used to install the water cooling unit 3 and the high-voltage box 4.

[0055] like Figure 1 As shown, the battery box 2 has a front panel 221, the water cooling unit 3 and the high voltage box 4 are attached to the front panel 221 of the battery box 2, and the front panel 221 of the battery box 2 has an extension plate extending from the water cooling unit 3 and the high voltage box 4. The peripheral side panels of the water cooling unit 3 and the high voltage box 4 are partially attached to the surface of the front panel 221, and the unattached part is the extension plate. The electrical connector 24 is arranged on the extension plate. This makes it very convenient to connect the wires of the water cooling unit 3 and the high voltage box 4 to the battery box 2.

[0056] like Figure 1 As shown, the high voltage box 4 has a side surface 44 perpendicular to the front panel 221. The quick-connect socket is connected to the side surface 44. The side surface 44 has two, and the quick-connect socket is connected to the side surface 44 close to the extension plate. The side surface 44 is perpendicular to the extension surface, and the side surface 44 close to the extension plate faces the extension plate, so that the battery box 2 and the cable 7 of the high voltage box 4 are easily connected.

[0057] In a possible implementation, a storage space is formed between the integral structure formed by the water cooling unit 3 and the high-voltage box 4 and the front panel 221, and the cable 7 is located in the storage space. The cable 7 connected between the high-voltage box 4 and the battery box 2 is located in the storage space, and the cable 7 is protected.

[0058] like Figure 1 and Figure 3 As shown, the modular energy storage system includes a support frame 6, which is arranged on the extension bracket 11, and the support frame 6 is fixedly connected to the battery box 2 and the extension bracket 11 respectively. The support frame 6 has a cavity, the high-voltage box 4 is arranged in the cavity, and the water cooling unit 3 is mounted on the support frame 6. The high-voltage box 4 makes full use of the cavity of the support frame 6, and the support frame 6 separates the space where the water cooling unit 3 and the high-voltage box 4 are located, so that the water cooling unit 3 and the high-voltage box 4 are modularized, which is convenient for later maintenance or replacement.

[0059] like Figure 1 As shown, the support frame 6 includes a top frame 61, a bottom frame 62 and a side frame 63. The top frame 61 and the bottom frame 62 are arranged at intervals, and the side frame 63 is connected to the top frame 61 and the bottom frame 62 respectively. The bottom frame 62 is connected to the bottom bracket 1, the side frame 63 is connected to the battery box 2, and the water cooling unit 3 is connected to the top frame 61. The cavity is formed between the top frame 61, the bottom frame 62 and the side frame 63. The support frame 6 is a frame structure with high structural strength. It can support the water cooling unit 3, and the support frame 6 has more hollow areas, which is convenient for direct disassembly and maintenance. And such a structure makes full use of the space.

[0060] In one possible embodiment, Figure 2 As shown, the battery box 2 includes a reinforcing frame 23, a frame 21 and a cover plate 22 covering the frame 21, the cover plate 22 includes a rear panel 222 and the front panel 221, the rear panel 222 and the front panel 221 are located on opposite sides of the frame 21, the reinforcing frame 23 is connected to the frame 21, and the reinforcing frame 23 covers the rear panel 222. A plurality of battery modules are installed inside the battery box 2, which makes the weight of the battery box 2 very large, and the box shell of the battery box 2 is easily deformed. The reinforcing frame 23 is conducive to improving the structural strength of the frame 21, the high-voltage box 4 and the cooling unit are arranged on one side of the front panel 221, and the rear panel 222 is convenient for setting the reinforcing frame 23.

[0061] like Figure 2As shown, the skeleton 21 includes four skeleton frames, which are arranged in sequence, and the adjacent skeleton frames are vertically connected, and the four skeleton frames enclose a front opening and a rear opening. The four skeletons 21 form the skeleton 21 structure of the battery box 2 shell, so that the shell structure of the battery box 2 has high strength and is not easy to deform. The front panel 221 is connected to the skeleton 21 to cover the front opening, and the rear panel 222 is connected to the skeleton 21 to cover the rear opening. The reinforcing frame 23 includes a peripheral side beam 231 and a middle reinforcing beam assembly 232, and the peripheral side beams 231 are respectively connected to the four skeleton frames. The middle reinforcing beam assembly 232 is located on the inner side of the peripheral side beam 231 and is respectively connected to the peripheral side beams 231. The reinforcing frame 23 increases the structural strength of the battery box 2 shell, making it not easy to deform.

[0062] like Figure 2 As shown, the peripheral side beam 231 includes four side beams, and the four side beams are respectively connected to the corresponding frame frame, and two adjacent side beams are vertically connected. The middle reinforcement beam assembly 232 includes a cross beam 2321 and a plurality of oblique beams 2322. The cross beam 2321 is respectively connected to each of the side beams, and the cross beam 2321 and the side beams are enclosed to form a rectangular opening. Each oblique beam 2322 is arranged in the rectangular opening and is connected and fixed to the cross beam 2321 and / or the side beam. An oblique beam 2322 is connected between the side beam and the cross beam 2321, so that the structural strength of the reinforcement frame 23 is high, and the structural strength of the battery box 2 of the present application is good and not easy to deform.

[0063] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this patent can make some changes or modify the technical content suggested above into an equivalent embodiment with equivalent changes without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the content of the technical solution of the utility model still falls within the scope of the solution of the utility model.

Claims

1. A modular energy storage system, characterized in that: include: A base bracket, the base bracket is used for connection and fixing; A battery box, the battery box is connected to the base, and an electrical connector is provided on one side of the battery box; A water cooling unit and a high-voltage box, both of which are arranged on the bottom bracket, and are located on a side of the battery box where an electrical connector is arranged, and a quick-connect socket is arranged on the high-voltage box, and the high-voltage box and the water cooling unit are electrically connected; A cable, one end of which is connected to the electrical connector, and the other end of which is provided with a quick-connect connector to be connected to the quick-connect socket of the high-voltage box.

2. The modular energy storage system according to claim 1, characterized in that: The bottom bracket has an extension bracket extending out from the bottom of the battery box; The water cooling unit and the high pressure box are arranged on the extension support.

3. The modular energy storage system according to claim 2, characterized in that: The battery box has a front panel, the water cooling unit and the high voltage box are attached to the front panel of the battery box, and the front panel of the battery box has an extension plate extending from the water cooling unit and the high voltage box; The electrical connector is disposed on the extension plate.

4. The modular energy storage system according to claim 3, characterized in that: The high voltage box has a side surface perpendicular to the front panel; The quick-connect socket is connected to the side surface.

5. The modular energy storage system according to claim 4, characterized in that: An accommodation space is formed between the integral structure formed by the water cooling unit and the high-pressure box and the front panel; The cable is located in the accommodating space.

6. The modular energy storage system according to claim 2, characterized in that: including a supporting frame; The support frame is arranged on the extension bracket, and the support frame is fixedly connected to the battery box and the extension bracket respectively; The support frame has a cavity, the high-pressure box is arranged in the cavity, and the water cooling unit is mounted on the support frame.

7. The modular energy storage system according to claim 6, characterized in that: The support frame includes a top frame, a bottom frame and a side frame; The top frame and the bottom frame are arranged at intervals; The side frames are respectively connected to the top frame and the bottom frame; The bottom frame is connected to the bottom bracket, and the side frame is connected to the battery box; The water cooling unit is connected to the top frame; The cavity is formed between the top frame, the bottom frame and the side frames.

8. The modular energy storage system according to claim 3, characterized in that: The battery box includes a reinforcing frame, a frame and a covering plate covering the frame; The cover plate includes a rear panel and the front panel; The rear panel and the front panel are located on opposite sides of the frame; The reinforcement frame is connected to the frame, and the reinforcement frame covers the rear panel.

9. The modular energy storage system according to claim 8, characterized in that: The skeleton comprises four skeleton frames, which are arranged in sequence, and adjacent skeleton frames are vertically connected; The four skeleton frames enclose a front opening and a rear opening; The front panel is connected to the frame to cover the front opening, and the rear panel is connected to the frame to cover the rear opening; The reinforcement frame includes a peripheral side beam and a middle reinforcement beam assembly, and the peripheral side beams are respectively connected to the four skeleton frames; The middle reinforcement beam assembly is located inside the peripheral side beams and is respectively connected to the peripheral side beams.

10. The modular energy storage system according to claim 9, characterized in that: The peripheral side beams include four side beams; The four side beams are respectively connected to corresponding skeleton frames, and two adjacent side beams are vertically connected; The middle reinforcement beam assembly includes a cross beam and a plurality of oblique beams; The cross beam is respectively connected to each of the side beams, and the cross beam and the side beam are combined to form a rectangular opening. Each of the oblique beams is arranged in the rectangular opening and is connected and fixed to the cross beam and / or the side beam.

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