Battery pack cluster frame and energy storage device

Abstract

The utility model discloses a kind of battery package cluster frame and energy storage device, the battery package cluster frame includes: frame body;Supporting plate, set in the side of the frame body, for carrying and supporting battery package;Baffle, set in the end of the supporting plate, for limiting the displacement of battery package in horizontal direction;Fixed part, set in the end of the supporting plate away from the baffle, for by fixing piece the front end of battery package is fixed on the supporting plate;Limiting block, set in the side of the frame body and located above the supporting plate, the bottom of the limiting block is provided with buffer, for battery package is limited to Z direction. In the utility model, by setting limiting block cooperation its bottom buffer, so that battery package can obtain necessary constraint force in vertical direction, and vibration energy is absorbed by buffer, effectively prevent battery package displacement or deformation caused by Z direction fluctuation in transportation process.

Description

Technical Field

[0001] This utility model relates to the field of energy storage technology, and further to a battery pack cluster frame and energy storage device. Background Technology

[0002] With the rapid development of the electric vehicle and renewable energy industries, energy storage systems, as key equipment for energy storage, peak shaving and valley filling, and grid frequency regulation, are becoming increasingly important. Energy storage systems typically adopt a modular design, integrating multiple battery packs into containers or cabinets. The battery pack cluster rack, as the core structure supporting and fixing the battery packs, directly affects the safety and reliability of the energy storage system.

[0003] In existing technologies, battery packs are primarily fixed to the cluster frame via bolts at the front end, while the rear end relies on horizontal baffles or brackets for positioning. Furthermore, some solutions incorporate support points in the middle of the battery pack; however, gaps between these support points and the cluster frame's positioning structure result in a lack of effective constraint on the battery pack in the Z-direction (vertical direction). Under transportation or vibration conditions, the battery pack is prone to displacement and deformation due to Z-direction fluctuations, potentially leading to detachment or damage to the lower casing, severely impacting the safety and lifespan of the energy storage system.

[0004] Therefore, it is necessary to design a battery pack cluster and energy storage device to solve the above problems. Utility Model Content

[0005] To address the aforementioned technical problems, the purpose of this utility model is to provide a battery pack cluster frame and energy storage device. By setting a limiting block in conjunction with a buffer at its bottom, the battery pack can obtain the necessary constraint force in the vertical direction, and the buffer absorbs vibration energy, effectively preventing battery pack displacement or deformation caused by Z-axis fluctuations during transportation.

[0006] To achieve the above objectives, this utility model provides a battery pack cluster frame, comprising:

[0007] Frame;

[0008] A support plate, located on one side of the frame, is used to support and carry the battery pack;

[0009] A baffle plate is disposed at one end of the support plate to limit the horizontal displacement of the battery pack;

[0010] A fixing part is provided at the end of the support plate away from the baffle, and is used to fix the front end of the battery pack to the support plate by a fixing member;

[0011] A limiting block is provided on the side of the frame and above the support plate. A buffer is provided at the bottom of the limiting block for limiting the battery pack in the Z direction.

[0012] In some implementations, it also includes:

[0013] A fixing plate is disposed on the side of the frame and above the support plate. The fixing plate is perpendicularly connected to the support plate, and the limiting block is fixed on the fixing plate.

[0014] In some embodiments, the fixing part includes a fixing hole and a nut, the fixing hole penetrating the support plate in a vertical direction, the nut being fixed to the bottom of the support plate, and the central axis of the nut coinciding with the central axis of the fixing hole.

[0015] In some embodiments, multiple limiting blocks are provided at intervals along the battery pack installation direction;

[0016] The bottom surface of each of the limiting blocks is an inclined plane, and the bottom surfaces of each limiting block are parallel to each other. Along the installation direction of the battery pack from the front end to the rear end, the bottom surface height of the multiple limiting blocks is set to decrease sequentially.

[0017] In some embodiments, the support plates are arranged in multiple layers along the height direction of the frame, with a preset distance between each layer of support plates;

[0018] Each of the support plates is provided with a baffle, a fixing part and a limiting block, and the baffle, fixing part and limiting block on each support plate are arranged in the same way.

[0019] In some embodiments, the frame includes a top beam, a bottom beam, and a plurality of vertical beams, the plurality of vertical beams being arranged in parallel at intervals, the top of each vertical beam being fixedly connected to the top beam, the bottom of each vertical beam being fixedly connected to the bottom beam, and the support plate being horizontally fixed to the vertical beams.

[0020] In some embodiments, the buffer is an elastic pad made of an elastic cushioning material, wherein the elastic cushioning material includes at least one of silicone foam, EPDM, PU foam, EVA, and CR foam.

[0021] In some embodiments, two frames are provided, which are arranged parallel to each other to form an installation space for the battery pack;

[0022] The support plates of the two frames are arranged in a mirror symmetrical manner, and the support plates of the two frames together provide synchronous support for both ends of the battery pack. The baffles, fixing parts and limiting blocks provided on each support plate are in the same configuration.

[0023] According to another aspect of the present invention, the present invention further provides an energy storage device, comprising:

[0024] The battery pack cluster as described in any of the above, and the battery pack disposed on the battery pack cluster;

[0025] The battery pack includes:

[0026] The casing constitutes the main structure of the battery pack;

[0027] The base plate is fixedly installed at the bottom of the box, and its circumferential edge extends outward beyond the side wall of the box to form an outward protrusion;

[0028] A support block is fixedly mounted on the protruding part and located on the side of the box body;

[0029] When the battery pack is installed in place, the assembly gap between the support block and the limiting block is less than the original thickness of the buffer, causing the buffer to undergo pre-compression deformation.

[0030] In some embodiments, the protruding part is provided with a mounting hole corresponding to the position of the fixing part, and the bolt passes through the mounting hole, the fixing hole of the fixing part in sequence and is adapted to be connected to the nut of the fixing part;

[0031] Multiple support blocks are spaced apart along the battery pack installation direction. The top surface of each support block is an inclined plane, and the top surfaces of each support block are parallel to each other. Along the installation direction of the battery pack from the front end to the rear end, the height of the top surfaces of the multiple support blocks decreases sequentially. The position of each support block corresponds one-to-one with the limiting block on the battery pack cluster frame.

[0032] Compared with the prior art, the battery pack cluster and energy storage device provided by this utility model have at least one of the following beneficial effects:

[0033] In this invention, the frame serves as the main support structure, and the support plate on its side provides a stable bearing platform for the battery pack. The baffle at one end of the support plate reliably restricts the horizontal displacement of the battery pack, preventing lateral swaying during transportation. The fixing part at the other end of the support plate achieves a rigid connection to the front end of the battery pack through a fastener, ensuring the firm fixation of the main stress points. By setting a limiting block in conjunction with the buffer at its bottom, the battery pack can obtain the necessary constraint force in the vertical direction, and the buffer absorbs vibration energy, effectively preventing displacement or deformation of the battery pack caused by Z-axis fluctuations during transportation. The entire structure significantly improves the fixing reliability of the battery pack without significantly increasing the system cost.

[0034] Multiple spaced limiting blocks form a stepped distribution, with their parallel inclined bottom surfaces cooperating with the inclined surfaces of the battery pack support blocks to generate progressive buffer compression during installation. The height decreases sequentially from the front end to the rear end, ensuring that the battery pack can be smoothly pushed into place while effectively dispersing the Z-axis load through multi-point elastic constraints. This avoids local stress concentration and better suppresses the vertical vibration and displacement of the battery pack during transportation, significantly improving the reliability of the fixation. Attached Figure Description

[0035] The optional embodiments will be described below in a clear and easy-to-understand manner, with reference to the accompanying drawings, to further explain the above-mentioned characteristics, technical features, advantages and implementation methods of this utility model.

[0036] Figure 1 This is a schematic diagram of the structure of an energy storage device according to an optional embodiment of this utility model;

[0037] Figure 2 This is a partial structural schematic diagram of an energy storage device according to an optional embodiment of this utility model;

[0038] Figure 3 This is a side view of an energy storage device according to an optional embodiment of this utility model;

[0039] Figure 4 This is a cross-sectional view of an energy storage device according to an optional embodiment of this utility model;

[0040] Figure 5 This is another partial structural schematic diagram of an optional embodiment of the energy storage device of this utility model;

[0041] Figure 6 This is a schematic diagram of the structure of a battery pack according to an optional embodiment of this utility model;

[0042] Figure 7 This is a side view of a battery pack according to an optional embodiment of this utility model.

[0043] Explanation of icon numbers:

[0044] Frame 1, top beam 11, bottom beam 12, vertical beam 13, support plate 2, baffle 21, fixing part 22, fixing hole 211, nut 212, limit block 23, buffer part 231, fixing plate 24, battery pack 3, box 31, bottom plate 32, outward protrusion 321, mounting hole 322, bolt 323, support block 33. Detailed Implementation

[0045] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the specific implementation methods of this utility model will be described below with reference to the accompanying drawings. Obviously, the drawings described below are merely some embodiments of this utility model. For those skilled in the art, other drawings and other implementation methods can be obtained based on these drawings without any creative effort.

[0046] To keep the drawings concise, each figure only schematically shows the parts relevant to the utility model, and these do not represent the actual structure of the product. Furthermore, for ease of understanding, in some figures, only one of the components with the same structure or function is schematically depicted, or only one is labeled. In this document, "one" not only means "only one," but can also mean "more than one."

[0047] It should also be further understood that the term “and / or” as used in this application specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes such combinations.

[0048] In this document, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0049] Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0050] In one embodiment, refer to the appendix to the specification. Figures 1 to 5 The present invention provides a battery pack rack, comprising: a frame body 1; a support plate 2 disposed on one side of the frame body 1 for supporting and bearing a battery pack 3; a baffle 21 disposed at one end of the support plate 2 for limiting the horizontal displacement of the battery pack 3; a fixing part 22 disposed at the end of the support plate 2 away from the baffle 21 for fixing the front end of the battery pack 3 to the support plate 2 by means of a fixing member; and a limiting block 23 disposed on the side of the frame body 1 and above the support plate 2, wherein a buffer 231 is provided at the bottom of the limiting block 23 for limiting the battery pack 3 in the Z direction, wherein the Z direction refers to the height direction of the frame body 1.

[0051] In this embodiment, the frame 1 serves as the main support structure, and the support plate 2 on its side provides a stable bearing platform for the battery pack 3. The baffle 21 at one end of the support plate 2 can reliably limit the horizontal displacement of the battery pack 3 and prevent lateral swaying during transportation. The fixing part 22 at the other end of the support plate 2 achieves a rigid connection at the front end of the battery pack 3 through a fastener, ensuring the firm fixation of the main stress points. By setting a limiting block 23 in conjunction with the buffer 231 at its bottom, the battery pack 3 can obtain the necessary constraint force in the vertical direction, and the buffer 231 absorbs vibration energy, effectively preventing the displacement or deformation of the battery pack 3 caused by Z-axis fluctuations during transportation. The entire structure significantly improves the fixing reliability of the battery pack 3 without significantly increasing the system cost.

[0052] In one embodiment, refer to the appendix to the specification. Figure 1 , Figure 2 The battery pack cluster also includes a fixing plate 24, which is disposed on the side of the frame 1 and located above the support plate 2. The fixing plate 24 is vertically connected to the support plate 2, and the limiting block 23 is fixed on the fixing plate 24. The vertically disposed fixing plate 24 and the support plate 2 form an L-shaped rigid connection, providing a stable installation base for the limiting block 23. This not only ensures that the limiting block 23 can be accurately aligned with the support block of the battery pack 3, but also enhances the deformation resistance of the overall structure.

[0053] The fixing part 22 includes a fixing hole 211 and a nut 212. The fixing hole 211 penetrates the support plate 2 vertically, and the nut 212 is fixed to the bottom of the support plate 2. The central axis of the nut 212 coincides with the central axis of the fixing hole 211. This coaxial arrangement ensures even force distribution during installation, avoiding thread damage or loose fastening caused by misalignment. Fixing the nut 212 to the bottom of the support plate 2 facilitates assembly and effectively prevents loosening during use, greatly improving connection reliability. Alternatively, the nut 212 can be separate from the support plate 2, or other fixing structures can be used to fix the battery pack 3 to the support plate 2.

[0054] Reference manual attached Figures 3 to 5 The frame 1 includes a top beam 11, a bottom beam 12, and several vertical beams 13. The vertical beams 13 are arranged in parallel and spaced apart. The top of each vertical beam 13 is fixedly connected to the top beam 11, and the bottom is fixedly connected to the bottom beam 12. The fixing plate 14 and the support plate 2 integrally formed therein are horizontally fixed to the vertical beams 13. The frame structure is used as the support system for the battery pack 3, which gives the cluster frame excellent resistance to deformation and can withstand various vibrations and impacts during transportation.

[0055] The support plates 2 are arranged in multiple layers along the height of the frame 1, with a preset distance between each layer of support plates 2. Each support plate 2 is equipped with a baffle 21, a fixing part 22, and a limiting block 23, and the baffle 21, fixing part 22, and limiting block 23 on each support plate 2 are configured identically. The support plates 2 are arranged in parallel with a preset distance between each layer, forming a stable layered load-bearing structure that can simultaneously fix multiple battery packs 3. The use of the same baffle 21, fixing part 22, and limiting block 23 configuration on each layer of support plates 2 not only simplifies the manufacturing process but also ensures the consistency of the fixing effect of each layer of battery packs 3.

[0056] Furthermore, multiple limiting blocks 23 are spaced apart along the battery pack installation direction; the bottom surface of each limiting block 23 is an inclined plane, and the bottom surfaces of each limiting block 23 are parallel to each other. Along the installation direction of the battery pack 3 from the front end to the rear end, the height of the bottom surfaces of the multiple limiting blocks 23 decreases sequentially. The multiple spaced limiting blocks 23 form a stepped distribution, and their parallel inclined bottom surfaces cooperate with the inclined surfaces of the support blocks of the battery pack 3 to generate progressive buffer compression during installation; the height decreases sequentially from the front end to the rear end, which not only ensures that the battery pack 3 can be smoothly pushed into place, but also effectively disperses the Z-axis load through multi-point elastic constraints; it avoids local stress concentration, and can better suppress the vertical vibration and displacement of the battery pack 3 during transportation, significantly improving the fixing reliability.

[0057] Furthermore, the buffer 231 is an elastic pad made of elastic buffer material, which includes at least one of silicone foam, EPDM, PU foam, EVA, and CR foam. The compression of the buffer material needs to be precisely controlled within the optimal working range; if the compression is too large, the resulting rebound force will increase significantly, which may make it difficult for the battery pack 3 to be fully installed; if the compression is too small, it will not provide sufficient constraint force to effectively limit the displacement of the battery pack 3 under vibration conditions; the thickness of the buffer 231 and its fit with the support block of the battery pack 3 must ensure that when the battery pack 3 is installed, the buffer material can generate moderate elastic deformation to provide reliable constraint force, without affecting the smoothness of installation due to excessive pressure. The elastic pad made of a specific elastic material provides optimized Z-axis limiting protection for the battery pack; the elastic pad forms a flexible contact between the limiting block 23 and the support block of the battery pack 3, avoiding damage caused by rigid collisions, and significantly improving the safety and service life of the battery pack under complex working conditions.

[0058] Furthermore, two frame bodies 1 are provided, arranged parallel to each other to form the installation space for the battery pack 3. The support plates 2 of the two frame bodies 1 are arranged in a mirror symmetrical manner, and the support plates 2 of the two frame bodies 1 together provide synchronous support for both ends of the battery pack 3. The baffles 21, fixing parts 22, and limiting blocks 23 provided on each support plate 2 are identically configured. The double support structure makes the force on the battery pack 3 more even, effectively preventing deformation or displacement caused by unilateral force. The identical baffles 21, fixing parts 22, and limiting blocks 23 on all support plates 2 ensure that the battery pack 3 can obtain a consistent constraint effect at each fixing point.

[0059] According to another aspect of this utility model, reference is made to the appended specification. Figures 1 to 7 The present invention further provides an energy storage device, comprising: a battery pack frame as described in any one of the above, and a battery pack 3 disposed on the battery pack frame; wherein the battery pack 3 comprises: a housing 31, constituting the main structure of the battery pack 3; a bottom plate 32, fixedly installed at the bottom of the housing 31, and its circumferential edge extending outward beyond the side wall of the housing 31 to form an outward protrusion 321; a support block 33, fixedly disposed on the outward protrusion 321 and located on the side of the housing 31; when the battery pack 3 is installed in place, the assembly gap between the support block 33 and the limiting block 23 is less than the original thickness of the buffer 231, causing the buffer 231 to undergo pre-compression deformation.

[0060] Further, refer to the attached instruction manual. Figure 6 , Figure 7 The protruding part 321 is provided with a mounting hole 322 corresponding to the position of the fixing part 22. The bolt 323 passes through the mounting hole 322, the fixing hole 211 of the fixing part 22 and the nut 212 of the fixing part 22 in sequence to be adapted and connected. Multiple support blocks 33 are provided at intervals along the installation direction of the battery pack 3. The top surface of each support block 33 is an inclined plane and the top surfaces of each support block 33 are parallel to each other. Along the installation direction of the battery pack 3 from the front end to the rear end, the height of the top surfaces of the multiple support blocks 33 decreases sequentially. The position of each support block 33 corresponds one-to-one with the limiting block 23 on the battery pack cluster frame.

[0061] In this embodiment, the mounting hole 322 of the protruding part 321 is precisely aligned with the fixing part 22 on the support plate 2, and is connected by bolts 323 to form a solid front-end fixing point, ensuring the stability of the main stress-bearing parts; the support block 33 adopts a stepped inclined surface structure, and multiple parallel inclined top surfaces form a progressive cooperation relationship with the limiting block 23, so that the battery pack 3 can be smoothly positioned during the pushing process; the support block 33, whose height decreases from the front end to the rear end, not only ensures the guiding role during installation, but also achieves uniform load distribution through multi-point elastic constraints; it ensures that the buffer material can generate a consistent pre-compression amount, providing Z-direction constraint for the battery pack 3, effectively preventing vibration displacement during transportation, and greatly improving the safety and reliability of the entire energy storage device.

[0062] In the above embodiments, the descriptions of each embodiment have different focuses. For parts that are not described in detail or recorded in a certain embodiment, please refer to the relevant descriptions of other embodiments.

[0063] It should be noted that the above embodiments can be freely combined as needed. The above are only optional embodiments of this utility model. It should be pointed out that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.

Claims

1. A battery pack cluster frame, characterized in that, include: Frame; A support plate, located on one side of the frame, is used to support and carry the battery pack; A baffle plate is disposed at one end of the support plate to limit the horizontal displacement of the battery pack; A fixing part is provided at the end of the support plate away from the baffle, and is used to fix the front end of the battery pack to the support plate by a fixing member; A limiting block is provided on the side of the frame and above the support plate. A buffer is provided at the bottom of the limiting block for limiting the battery pack in the Z direction.

2. The battery pack cluster frame according to claim 1, characterized in that, Also includes: A fixing plate is disposed on the side of the frame and above the support plate. The fixing plate is perpendicularly connected to the support plate, and the limiting block is fixed on the fixing plate.

3. The battery pack cluster frame according to claim 1, characterized in that, The fixing part includes a fixing hole and a nut. The fixing hole penetrates the support plate in a vertical direction, and the nut is fixed to the bottom of the support plate. The central axis of the nut coincides with the central axis of the fixing hole.

4. The battery pack cluster frame according to claim 1, characterized in that, Multiple limiting blocks are spaced apart along the battery pack installation direction; The bottom surface of each of the limiting blocks is an inclined plane, and the bottom surfaces of each limiting block are parallel to each other. Along the installation direction of the battery pack from the front end to the rear end, the bottom surface height of the multiple limiting blocks is set to decrease sequentially.

5. The battery pack cluster frame according to claim 1, characterized in that, The support plates are arranged in multiple layers along the height direction of the frame, with a preset distance between each layer of support plates. Each of the support plates is provided with a baffle, a fixing part and a limiting block, and the baffle, fixing part and limiting block on each of the support plates are configured identically.

6. The battery pack cluster frame according to claim 1, characterized in that, The frame includes a top beam, a bottom beam, and several vertical beams. The vertical beams are arranged in parallel and spaced apart. The top of each vertical beam is fixedly connected to the top beam, and the bottom is fixedly connected to the bottom beam. The support plate is horizontally fixed to the vertical beam.

7. The battery pack cluster frame according to claim 1, characterized in that, The buffer is an elastic pad made of elastic cushioning material.

8. The battery pack cluster frame according to any one of claims 1-7, characterized in that, The frame is provided in two parts, which are arranged parallel to each other to form an installation space for the battery pack; The support plates of the two frames are arranged in a mirror symmetrical manner, and the support plates of the two frames together provide synchronous support for both ends of the battery pack. The baffles, fixing parts and limiting blocks provided on each support plate are in the same configuration.

9. An energy storage device, characterized in that, include: The battery pack cluster frame as described in any one of claims 1-8, and the battery pack disposed on the battery pack cluster frame; The battery pack includes: The casing constitutes the main structure of the battery pack; The base plate is fixedly installed at the bottom of the box, and its circumferential edge extends outward beyond the side wall of the box to form an outward protrusion; A support block is fixedly mounted on the protruding part and located on the side of the box body; When the battery pack is installed in place, the assembly gap between the support block and the limiting block is less than the original thickness of the buffer, causing the buffer to undergo pre-compression deformation.

10. The energy storage device according to claim 9, characterized in that, The protruding part is provided with a mounting hole corresponding to the position of the fixing part. The bolt passes through the mounting hole and the fixing hole of the fixing part in sequence and is adapted to be connected to the nut of the fixing part. Multiple support blocks are spaced apart along the battery pack installation direction. The top surface of each support block is an inclined plane, and the top surfaces of each support block are parallel to each other. Along the installation direction of the battery pack from the front end to the rear end, the height of the top surfaces of the multiple support blocks decreases sequentially. The position of each support block corresponds one-to-one with the limiting block on the battery pack cluster frame.

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