CN219321540U - Energy storage power supply expansion structure - Google Patents

Abstract

The utility model discloses an energy storage power supply capacity expansion structure, and belongs to the technical field of outdoor energy storage; the multifunctional electric vehicle comprises a functional module and a plurality of battery modules, wherein the battery modules are connected with the functional module in parallel; the functional module is connected with the battery module through a plurality of corner protectors; and/or the plurality of battery modules are connected through a plurality of corner protectors. The above arrangement enhances the connection strength between the battery modules and the functional modules, improves the overall carrying strength of the energy storage power supply, can reduce the falling rate of the battery modules after dumping, and avoids the damage of the battery modules.

Description

Energy storage power supply expansion structure

Technical Field

The utility model relates to the technical field of outdoor energy storage, in particular to an energy storage power supply capacity expansion structure.

Background

In recent years, mobile energy storage has been rapidly applied and developed in both civil and private fields. With the increasing demand for large capacity, various expansion schemes are presented in the market. Two general categories are that of integral capacity expansion, namely, a plurality of groups of products are connected through cables, and a single product needs to support the capacity expansion function. The other type is split capacity expansion, namely, the whole product is divided into a functional module and a battery module, and the functional module can be a DC-AC inverter circuit or other DC-DC circuits. Compared with the first type of scheme, the second type of scheme only needs to increase the capacity through adding the battery module, and only one group of functional modules is needed, so that the capacity expansion cost can be reduced.

As chinese patent CN217719866U discloses a stacked capacity-increasing energy storage power supply, including energy storage inverter, battery module and unable adjustment base, set up the holding tank in the same side of energy storage inverter and battery module, set up connecting terminal in the holding tank, set up the through wires hole in the upper and lower end of holding tank simultaneously, alright link together a plurality of battery modules and energy storage inverter, the rethread apron lock is fixed in the holding tank at last, will set up in the inside subassembly of holding tank and shelter from.

However, the battery modules and the energy storage inverter are fixed by two screws, so that the connection strength is poor. Especially, battery module can drop the damage risk when carrying. In addition, when changing battery module, need dismantle the apron, dismantle the cable, dismantle both ends screw, change the process loaded down with trivial details.

In view of the problems, the utility model provides an energy storage power supply capacity expansion connection mode, which is reliable in structure; the single battery module is convenient to detach, replace and maintain.

Disclosure of Invention

1. Technical problem to be solved

The utility model aims to overcome the defect of poor connection strength of a capacity-increasing energy-storage power supply in the prior art, and provides an energy-storage power supply capacity-increasing structure which aims to improve the connection strength of the capacity-increasing power supply and improve the durability of the capacity-increasing power supply.

2. Technical proposal

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the utility model relates to an energy storage power supply capacity expansion structure, which comprises a functional module and a plurality of battery modules, wherein the battery modules are connected with the functional module in parallel; the functional module is connected with the battery module through a plurality of corner protectors; and/or a plurality of battery modules are connected through a plurality of corner protectors.

Preferably, the battery comprises a first battery module and a second battery module, wherein a first screw hole is formed in the corner of the first battery module, a second screw hole is correspondingly formed in the corner of the second battery module, and the corner protector comprises a first hole site and a second hole site; during assembly, the first hole site and the first screw hole are locked through the first screw, and the second hole site and the second screw hole are locked through the second screw.

Preferably, the first screw hole side part is provided with a first bulge, and the second screw hole side part is provided with a second bulge; the corner protector is provided with a first groove and a second groove which are respectively used for accommodating the first protrusion and the second protrusion.

Preferably, the contact surfaces of the adjacent battery modules are connected in a matched manner through a concave-convex structure.

Preferably, the concave-convex structure comprises a first positioning protrusion, a first positioning groove and a second positioning groove which are positioned on the surface A of the battery module; the battery module A-1 further comprises a third positioning groove, a second positioning protrusion and a third positioning protrusion which are positioned at corresponding positions of the battery module A-1.

Preferably, a plug wire port is arranged on the A surface of the battery module, and a cable port is arranged on the A-1 surface of the battery module; adjacent battery modules are electrically connected through cables between the cable ports and the plug wire ports.

Preferably, an accommodating groove is formed in the surface A of the battery module, and the accommodating groove is used for accommodating the cable between the cable port and the plug wire port.

Preferably, the surface A of the battery module is provided with a second connector, the surface A-1 of the battery module is provided with a first connector, and adjacent battery modules are electrically connected with the second connector through the first connector.

Preferably, the top of the functional module is provided with a handle and an interface area, and the interface area comprises a charging interface and an output interface.

Preferably, the function module comprises a switch and an indication area, and the indication area comprises an electric quantity module, a capacity expansion module state module and a fault alarm module.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

(1) The utility model relates to an energy storage power supply capacity expansion structure, which comprises a functional module and a plurality of battery modules, wherein the battery modules are connected with the functional module in parallel; the functional module is connected with the battery module through a plurality of corner protectors; and/or a plurality of battery modules are connected through a plurality of corner protectors. Through above setting, the installation is fixed reliable between the battery module, is convenient for transport storage.

(2) The contact surfaces of the adjacent battery modules are connected in a matched mode through the concave-convex structure, and the arrangement of the structure is beneficial to rapid positioning when the two battery modules are connected, and the connection strength between the battery modules and the functional module is further improved.

(3) The adjacent battery modules are electrically connected in the form of cables or plug connectors, wherein the cables, the cable plug connectors and the upper and lower plug connectors are positioned on the contact surfaces of the adjacent battery modules. Through the setting of this structure, the electric connection position is hidden, can protect connecting terminal, can guarantee the holistic aesthetic property of product again.

Drawings

FIG. 1 is a schematic diagram of an expansion structure of an energy storage power supply;

FIG. 2 is an exploded schematic view of an energy storage power supply expansion structure;

fig. 3 is an assembly schematic view of a battery module;

FIG. 4 is an enlarged schematic view of the portion C in FIG. 3;

FIG. 5 is a schematic cross-sectional view of the structure of FIG. 4 after installation;

fig. 6 is a schematic view of the bottom structure of the battery module;

fig. 7 is a schematic view of an electrical connection manner (circular cable) between battery modules;

fig. 8 is a schematic view of a second (flat cable) electrical connection between battery modules;

FIG. 9 is a schematic view of a third (connector) electrical connection between battery modules;

fig. 10 is a schematic diagram of a functional module to expand a plurality of battery modules.

Reference numerals in the schematic drawings illustrate:

1. a functional module; 2. a battery module; 201. a first battery module; 202. a second battery module; 3. corner protection; 4. a handle; 5. an interface region; 601. a first screw hole; 602. a second screw hole; 701. a first protrusion; 702. a second protrusion; 801. a first hole site; 802 a second hole site; 901. a first screw; 902. a second screw; 1001. a first groove; 1002. a second groove; 11. positioning the bulge; 1201. a positioning groove; 1202. a positioning groove; 13. a positioning groove; 1401. positioning the bulge; 1402. positioning the bulge; 15. a round cable; 16. a wire insertion opening; 17. a flat cable; 18. a receiving groove; 19. a cable port; 20. a second connector; 21. a first connector.

Detailed Description

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings and examples.

The structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the present disclosure, and are not intended to limit the scope of the utility model, since any structural modifications, proportional changes, or dimensional adjustments should not be construed as essential to the utility model, but are intended to fall within the scope of the present disclosure without affecting the efficacy or achievement of the present utility model. Also, the terms "upper", "lower", "left", "right", "middle", and the like are used herein for descriptive purposes only and are not intended to limit the scope of the utility model for modification or adjustment of the relative relationships thereof, as they are also considered within the scope of the utility model without substantial modification to the technical context.

As shown in fig. 1 and 2, the capacity expansion structure of an energy storage power supply of the present embodiment includes a functional module 1 and a plurality of battery modules 2, where the plurality of battery modules 2 are connected in parallel with the functional module 1; the functional module 1 is connected with the battery module 2 through a plurality of corner protectors 3; and/or, the plurality of battery modules 2 are connected through a plurality of corner protectors 3.

In this embodiment, two battery modules are taken as an example to expand the capacity, and the battery module comprises a first battery module 201 and a second battery module 202, and the first battery module 201 and the second battery module 202 are connected and fixed through four corner protectors. Similarly, the first battery module 201 and the functional module are also connected and fixed by four corner protectors. Through the arrangement, firm connection between the battery modules and the functional modules is reliable, and convenience is brought to carrying and storage.

As shown in fig. 10, a user may expand a plurality of battery modules under the function modules according to his/her own needs, for example, the number of battery modules may be 2, 3, or 4. The a-1 side of the battery module at the lowermost layer requires an additional cover plate for covering the cable or the connector.

It should be noted that the "a-1 surface" of the battery module refers to the bottom surface or the plane of the bottom surface of the battery module, and correspondingly, the "a surface" of the battery module refers to the top surface or the plane of the top surface of the battery module. The terminology is for the convenience of description only and is not intended to limit the scope of what can be practiced.

As shown in fig. 3, 4 and 5, a first screw hole 601 is formed in the lower left corner of the B surface of the first battery module 201, and a second screw hole 602 is symmetrically formed in the upper left corner of the B surface of the second battery module 202, wherein the corner protector 3 comprises a first hole 801 and a second hole 802. When the screw is assembled, the first hole 801 and the first screw hole 601 are locked by the first screw 901, and the second hole 802 and the second screw hole 602 are locked by the second screw 902.

In this embodiment, a first protrusion 701 is provided on a side of the first screw hole 601, and a second protrusion 702 is provided on a side of the second screw hole 602; the corner protector 3 is provided with a first groove 1001 and a second groove 1002 for accommodating the first protrusion 701 and the second protrusion 702, respectively. Through recess and strengthen bellied locking structure, further strengthened between the battery module and with the joint strength between the functional module.

The locking structure can also be arranged on the adjacent side surface of the B surface and the corresponding position of the opposite surface of the B surface, so that the integral assembly strength of the energy storage power supply is further enhanced.

Further, the contact surfaces of the adjacent battery modules 2 are connected in a matched manner through a concave-convex structure.

Specifically, as shown in fig. 6, the concave-convex structure includes a first positioning protrusion 11, a first positioning groove 1201, and a second positioning groove 1202 on the a-face of the battery module; and further includes a third positioning recess 13, a second positioning protrusion 1401, and a third positioning protrusion 1402, which are positioned at corresponding positions of the battery module a-1.

The four corners of the A face of the first battery module are respectively provided with a first positioning groove, a second positioning groove and a first positioning protrusion. Correspondingly, the four corners of the A-1 surface are respectively provided with a second positioning protrusion, a third positioning protrusion and a third positioning groove.

When the first battery module is assembled with the second battery module, the first positioning protrusion is matched with the third positioning groove, and the first positioning groove and the second positioning groove are respectively matched with the second positioning protrusion and the third positioning protrusion.

The arrangement of the concave-convex structure is beneficial to the rapid positioning of the first battery module and the second battery module during assembly; on the other hand, the connection strength between the battery modules and the functional module is further enhanced. The overall carrying strength of the energy storage power supply is improved, the falling rate of the battery module after dumping can be reduced, and the damage of the battery module is avoided.

As a specific embodiment of the electrical connection of the battery module, as shown in fig. 7 and 8, a plug wire port 16 is provided on the surface a of the battery module, and a cable port 19 is provided on the surface a-1 of the battery module; adjacent battery modules are electrically connected by cables between the cable ports 19 and the plug wire ports 16.

Preferably, the cable is a round cable 15 or a flat cable 17 for easy connection. Before the corner protector is assembled, a round cable or a flat cable on the first battery module needs to be inserted into a plug wire port of the second battery module.

In addition, the holding groove 18 has been seted up to the A face of battery module for receive the cable between cable mouth 19 and the plug wire mouth 16, prevent that the cable from damaging because of extrusion production.

As another specific embodiment of the electrical connection of the battery modules, in this embodiment, the a-side of the battery module is provided with the second connector 20, the a-1 side of the battery module is provided with the first connector 21, and the adjacent battery modules 2 are electrically connected with the second connector 20 by the first connector 21.

As shown in fig. 9, a first connector is provided on the surface of the first battery module a-1, and a second connector 20 is provided on the surface of the second battery module a, and the first connector and the second connector are connected to each other by being inserted into each other, so that the first battery module and the second battery module are electrically connected.

In this embodiment, the top of the functional module 1 is provided with a handle 4 and an interface area 5, and the handle is convenient to carry. The interface area 5 includes a charging interface and various specifications of output interfaces.

Of course, the functional module can also comprise a switch and an indication area, wherein the indication area comprises common electric quantity, capacity expansion module state, fault alarm and other modules.

The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. In order to avoid duplication of content, duplicate content of each embodiment is omitted, but it cannot be considered that the corresponding embodiment does not include features of other embodiments, and features of mutual cooperation between different embodiments may also be combined with each other, so, if one skilled in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical scheme are not creatively designed without departing from the gist of the present utility model, and all the features belong to the protection scope of the present utility model.

Claims (10)

1. An energy storage power expansion structure which is characterized in that: the multifunctional electric vehicle comprises a functional module (1) and a plurality of battery modules (2), wherein the plurality of battery modules (2) are connected with the functional module (1) in parallel; the functional module (1) is connected with the battery module (2) through a plurality of corner protectors (3); and/or a plurality of battery modules (2) are connected through a plurality of corner protectors (3).

2. The energy storage power expansion structure of claim 1, wherein: the battery pack comprises a first battery module (201) and a second battery module (202), wherein a first screw hole (601) is formed in the corner of the first battery module (201), a second screw hole (602) is correspondingly formed in the corner of the second battery module (202), and the corner protector (3) comprises a first hole site (801) and a second hole site (802); when the screw is assembled, the first hole site (801) and the first screw hole (601) are locked through the first screw (901), and the second hole site (802) and the second screw hole (602) are locked through the second screw (902).

3. The energy storage power expansion structure of claim 2, wherein: a first bulge (701) is arranged on the side part of the first screw hole (601), and a second bulge (702) is arranged on the side part of the second screw hole (602); the corner protector (3) is provided with a first groove (1001) and a second groove (1002) which are respectively used for accommodating the first bulge (701) and the second bulge (702).

4. The energy storage power expansion structure of claim 1, wherein: the contact surfaces of the adjacent battery modules (2) are connected in a matched mode through a concave-convex structure.

5. The energy storage power expansion structure of claim 4, wherein: the concave-convex structure comprises a first positioning protrusion (11), a first positioning groove (1201) and a second positioning groove (1202) which are positioned on the A face of the battery module (2); the battery module (2) is characterized by further comprising a third positioning groove (13), a second positioning protrusion (1401) and a third positioning protrusion (1402) which are positioned at corresponding positions of the battery module (2) A-1.

6. The energy storage power expansion structure of claim 1, wherein: the A face of the battery module (2) is provided with a plug wire port (16), and the A-1 face of the battery module (2) is provided with a cable port (19); the adjacent battery modules (2) are electrically connected with cables between the plug wire ports (16) through cable ports (19).

7. The energy storage power expansion structure of claim 6, wherein: an accommodating groove (18) is formed in the A face of the battery module (2) and used for accommodating a cable between the cable port (19) and the plug wire port (16).

8. The energy storage power expansion structure of claim 1, wherein: the battery module (2) is provided with a second connector (20) on the A face, a first connector (21) is arranged on the A-1 face of the battery module (2), and adjacent battery modules (2) are electrically connected with the second connector (20) through the first connector (21).

9. The energy storage power expansion structure of claim 1, wherein: the top of the functional module (1) is provided with a handle (4) and an interface area (5), and the interface area (5) comprises a charging interface and an output interface.

10. The energy storage power expansion structure of claim 1, wherein: the function module (1) comprises a switch and an indication area, and the indication area comprises an electric quantity module, a capacity expansion module state module and a fault alarm module.

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