Battery cell mounting frame and battery system

Abstract

The utility model discloses a battery cell mounting frame, and relates to the technical field of energy storage. The frame comprises a frame main body and a plurality of battery cell mounting and fixing assemblies, the frame main body is a three-dimensional frame, and the plurality of battery cell mounting and fixing assemblies are arranged in the frame main body layer by layer from low to high; the battery cell mounting and fixing assembly comprises a bearing beam, a front end plate and a rear end plate, the front end plate and the rear end plate are both mounted on the bearing beam, and the front end plate and the rear end plate are oppositely arranged and cooperatively clamp and fix one or more battery cells. According to the battery system disclosed by the utility model, the battery cell can be directly mounted on the mounting frame and is assembled to form the complete battery system along with the mounting frame, so that materials such as a box body and a box cover are reduced, and the overall electric quantity of the battery system is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to energy storage technology field especially relates to a kind of electric core installation frame and battery system. BACKGROUND

[0002] In order to facilitate the management monitoring battery state, ensure the safe use of battery, the traditional battery system usually adopts the form of electric core-module-PACK-cluster frame-system, that is: a battery system will include multiple battery clusters, a battery cluster includes multiple battery packs, a battery pack includes multiple battery modules, and a battery module includes multiple electric core composition form.

[0003] However, since battery module, battery pack all have box, box cover and other material structures, these material structures will encroach on the internal space of battery system, resulting in that the total number of electric core installation in battery system is not high under the limited installation space, the total electric quantity of entire battery system is low, which cannot meet the use demand of electric heavy truck. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of electric core installation frame and battery system, electric core can be directly installed to the installation frame, and follow installation frame to assemble and form complete battery system, to reduce box, box cover and other materials, improve the total electric quantity of battery system, to solve the above technical problem.

[0005] The technical scheme for solving the above problems of the utility model is to provide an electric core installation frame, the frame includes a frame body and a plurality of electric core installation fixing components, the frame body is a three-dimensional frame, and a plurality of electric core installation fixing components are arranged in the frame body from low to high layer by layer;The electric core installation fixing component includes a bearing beam, a front end plate and a rear end plate, the front end plate and the rear end plate are installed on the bearing beam, and the front end plate and the rear end plate are oppositely arranged and cooperatively clamped and fixed one or more electric cores.

[0006] Further, a jack is vertically formed on the front end plate and the rear end plate, a press rivet bolt is movably inserted into the jack, and a press rivet hole is formed on the bearing beam and is threadedly connected with the press rivet bolt.

[0007] Further, at least two jacks are formed on the front end plate and the rear end plate, and the press rivet bolt is movably inserted into the jacks.

[0008] Further, the bearing beam is a strip plate with an "L"-shaped cross section.

[0009] Further, each of the cell mounting and fixing assemblies comprises two bearing beams arranged at left and right sides of the cell for bearing and limiting the cell left and right.

[0010] Further, the frame body comprises a bottom frame, a top frame, cell mounting layers, vertical supports, the vertical supports are provided in plurality, upper ends of the vertical supports are fixedly connected to the top frame, lower ends are fixedly connected to the bottom frame, the cell mounting layers are provided in plurality, the cell mounting layers are equidistantly arranged between the top frame and the bottom frame, each of the cell mounting layers is fixedly connected to the vertical supports for being supported, and each of the cell mounting layers is provided with a plurality of cell mounting and fixing assemblies.

[0011] Further, the cell mounting layers comprise horizontal supports provided in the same horizontal plane, two ends of the horizontal supports are fixedly connected to a vertical support, and the cell mounting and fixing assemblies are fixedly connected to the horizontal supports through the bearing beams for being mounted on the cell mounting layers.

[0012] Further, the frame body further comprises reinforcing supports, one end of each of the reinforcing supports is fixedly connected to a vertical support, and the other end is fixedly connected to the bottom frame.

[0013] The utility model also provides a battery system, including a plurality of electric core, a plurality of integrated busbar and any one of the above-mentioned electric core mounting frame, the electric core mounting frame corresponds to install a plurality of electric core on, and each electric core mounting and fixing assembly is welded with integrated busbar, and the integrated busbar is electrically connected with the electric core in the electric core mounting and fixing assembly.

[0014] The utility model has the advantages of:

[0015] The utility model discloses a kind of electric core mounting frames, electric core mounting frame can directly install electric core, to reduce the use of material such as box, lid, increase the effective installation space of electric core.

[0016] The utility model discloses a kind of battery systems, compared with the traditional battery system with same load electric quantity, since the above-mentioned electric core mounting frame is used to load electric core, its body size is greatly reduced, energy density is greatly promoted, and manufacturing cost is effectively reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings, which are incorporated into and constitute a part of the specification, illustrate embodiments of the present application and, together with the description, serve to explain the principles of the present application. In these drawings, like reference numerals are used to represent similar elements. The drawings in the following description are some embodiments of the present application, rather than all embodiments. For those skilled in the art, other drawings can be obtained from these drawings without creative labor.

[0018] Figure 1 Structure diagram of the battery cell mounting frame of the embodiment;

[0019] Figure 2 Structure diagram of the frame body of the embodiment;

[0020] Figure 3 Structure explosion diagram of the battery cell mounting and fixing assembly of the embodiment;

[0021] Figure 4 Structure diagram of the front end plate of the embodiment;

[0022] Figure 5 Structure diagram of the battery system of the embodiment;

[0023] 1-frame body, 11-bottom frame, 12-top frame, 13-vertical support, 14-horizontal support, 15-reinforcing support;

[0024] 2-battery cell mounting and fixing assembly, 21-bearing beam, 22-front end plate, 23-rear end plate, 24-socket, 25-riveted bolt;

[0025] 3-battery cell, 4-integrated busbar. DETAILED DESCRIPTION

[0026] In this specification, the orientation terms such as up, down, left, right, front, back, front, back, top, bottom, etc. mentioned or possibly mentioned are defined with respect to the structure shown in the drawings, and the words "inner" and "outer" respectively refer to the direction towards or away from the geometric center of a particular component. They are relative concepts, so they may change accordingly according to their different positions, different use states. Therefore, these or other orientation terms should not be interpreted as restrictive terms.

[0027] Please refer to Figures 1 to 4 The battery cell mounting frame of the embodiment, the frame includes a frame body 1 and a plurality of battery cell mounting and fixing assemblies 2, the frame body 1 is a cuboid frame, a plurality of battery cell mounting and fixing assemblies 2 are uniformly fixedly arranged inside the frame body 1, and each battery cell mounting and fixing assembly 2 can be used to directly fix a battery cell, so that the battery cell can be directly fixed and mounted on the frame body 1.

[0028] Specifically, please refer to Figure 1 and Figure 2 In the embodiment, the frame body 1 comprises a bottom frame 11, a top frame 12, a plurality of cell mounting layers, and vertical supports 13. The bottom frame 11 is a rectangular frame formed by sequentially connecting four steel beams end to end, and a plurality of reinforcing beams are arranged in the rectangular frame. A plurality of vertical supports 13 are vertically arranged at the edges of the bottom frame 11, and the vertical supports 13 are equidistantly arranged along the edges of the bottom frame 11. The top frame 12 is also a rectangular frame, and the top ends of the vertical supports 13 are fixedly connected to the top frame 12. A plurality of cell mounting layers are arranged equidistantly along the height direction between the top frame 12 and the bottom frame 11. Each cell mounting layer is fixedly connected to the vertical supports 13 arranged therearound, and a plurality of cell mounting and fixing assemblies 2 can be fixedly mounted at each cell mounting layer.

[0029] It should be noted that in the embodiment, a partition frame is further arranged below the top frame 12, and a mounting space for mounting other related components of the battery system is reserved between the partition frame and the top frame 12. A mounting space for mounting other components of the battery system is also reserved between the bottom frame 11 and the lowermost cell mounting layer.

[0030] Further, please refer to Figure 2 , for example, in the orientation shown in Figure 2 In the embodiment, each cell mounting layer comprises two horizontal supports 14 arranged on the same horizontal plane. The left end of each horizontal support 14 is fixedly connected to one vertical support 13, and the right end is also fixedly connected to one vertical support 13. The horizontal supports 14 are combined to form a cell mounting layer in the same horizontal plane. The cell mounting and fixing assembly 2 can be fixedly mounted in the cell mounting layer by being fixedly connected to the horizontal support 14.

[0031] In other embodiments, the number of horizontal supports 14 can be three or more.

[0032] Further, in order to ensure the structural stability of the frame body 1, reinforcing supports 15 are further arranged between the bottom frame 11 and the vertical supports 13. Please refer to Figure 2 In the embodiment, the reinforcing supports 15 have a plurality of length types according to their different lengths. The upper end of the longest reinforcing support 15 can be fixedly connected to the middle part of a vertical support 13, and the lower end is fixedly connected to the frame beam of the bottom frame 11. The upper end of the shortest reinforcing support 15 can be fixedly connected to the support body below the lowermost cell mounting layer of a vertical support 13, and the lower end is fixedly connected to the frame beam of the bottom frame 11.

[0033] Meanwhile, in the embodiment, each reinforcing support 15 is arranged obliquely relative to the bottom frame 11 or the horizontal line.

[0034] Further, referring to Figure 1 and Figure 3 , in the embodiment, the plurality of battery cells are first stacked with each other, and then clamped and fixed by the battery cell mounting and fixing assembly 2.

[0035] Specifically, referring to Figure 1 , Figure 3 , Figure 4 , in the embodiment, after the plurality of battery cells are stacked with each other to form a stacked battery cell group; the battery cell mounting and fixing assembly 2 comprises a bearing beam 21, a front end plate 22 and a rear end plate 23, the bearing beam 21 is provided with two, both of which are L-shaped strip plate bodies, both of which are fixedly installed on the horizontal support 14 of the battery cell mounting layer, and both of which cooperate to form a limiting groove capable of accommodating and limiting the stacked battery cell group, both ends of the bearing beam 21 are provided with a press-in screw hole, both of the front end plate 22 and the rear end plate 23 are vertically provided with two insertion holes 24, both of the insertion holes 24 of the front end plate 22 and the rear end plate 23 are movably inserted with a press-in bolt 3, and the diameter of the upper end nut of the press-in bolt 3 is greater than the diameter of the press-in screw hole.

[0036] For this purpose, referring to Figure 3 , referring to the orientation shown in Figure 3 , in the embodiment, the technician can first make the two press-in bolts 3 pass through the insertion holes 24 on the rear end plate 23 to be threadedly connected with the two bearing beams 21 respectively, then place the stacked battery cell group between the two bearing beams 21 and make it abut against the rear end plate 23, and finally use the other two press-in bolts 3 to fix the front end plate 22 to the left front end of the two bearing beams 21, and make the front end plate 22 cooperate with the rear end plate 23 to clamp and fix the stacked battery cell group.

[0037] To simplify the installation operation, the front end plate 22 and the rear end plate 23 that cooperate to clamp the stacked battery cell group are regarded as a set of end plate structures; then, in other embodiments, the technician can also extend a set of two oppositely arranged bearing beams 21, so that a set of bearing beams 21 can be provided with two or even more sets of end plate structures.

[0038] Similarly, in other embodiments, the technician can also select to directly make the battery cell mounting and fixing assembly 2 fix only one battery cell according to the actual use environment and use condition of the battery cell mounting frame, or adjust the number of battery cells of the stacked battery cell group.

[0039] The front end plate 22 and the rear end plate 23 are both mounted on the bearing beam 21, and the front end plate 22 and the rear end plate 23 are oppositely arranged and cooperatively clamped to fix one or more battery cells.

[0040] The utility model discloses a battery system, including a plurality of electric core, a plurality of integrated female row and any one of the electric core mounting frame described above, the electric core mounting frame is fixed with a plurality of electric core through a plurality of electric core mounting fixed assembly 2 to correspond to install, the upper end of the front end plate 22 and the rear end plate 23 of each electric core mounting fixed assembly 2 is fixedly arranged with integrated female row, and each integrated female row is connected with the stacked electric core group by welding at the upper surface of the stacked electric core group in the electric core mounting fixed assembly 2, and is further electrically connected with the stacked electric core group, so that each stacked electric core group can be electrically connected with the relevant monitoring device of the whole battery system through the integrated female row, so as to facilitate the monitoring device to detect the actual working condition of each stacked electric core group, and ensure the use safety of the whole battery system.

[0041] It should be noted that the specific connection mode of all fixed connections in the above embodiment is bolted connection, and an elastic washer is further arranged on each bolt to appropriately improve the anti-vibration performance of the whole electric core mounting frame and protect the electric core.

[0042] The above-mentioned matters not mentioned are applicable to the prior art.

[0043] Finally, it should be noted that: the above examples are used to illustrate the technical solutions of the utility model, but not to limit them. Although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A cell mounting frame, characterized in that, The frame comprises a frame body (1) and a plurality of battery cell mounting and fixing assemblies (2), the frame body (1) is a three-dimensional frame, and a plurality of the battery cell mounting and fixing assemblies (2) are arranged in the frame body (1) layer by layer from low to high; the battery cell mounting and fixing assembly (2) comprises a bearing beam (21), a front end plate (22) and a rear end plate (23), the front end plate (22) and the rear end plate (23) are both mounted on the bearing beam (21), and the front end plate (22) and the rear end plate (23) are oppositely arranged and cooperatively clamp and fix one or more battery cells.

2. The frame of claim 1, wherein, The front end plate (22) and the rear end plate (23) are both vertically provided with a bushing (24), and a press rivet bolt (3) is movably inserted into the bushing (24), and the bearing beam (21) is provided with a press rivet hole corresponding to the press rivet bolt (3) and threadedly connected with the press rivet bolt (3).

3. The frame of claim 2, wherein, The front end plate (22) and the rear end plate (23) are both provided with at least two bushings (24), and the press rivet bolt (3) is movably inserted into each of the at least two bushings (24) on the front end plate (22) and the rear end plate (23).

4. The frame of claim 1, wherein, The bearing beam (21) is a strip-shaped plate with an "L"-shaped cross section.

5. The frame of claim 4, wherein, Each of the battery cell mounting and fixing assemblies (2) comprises two bearing beams (21), and the two bearing beams (21) are arranged on the left and right sides of the battery cell respectively to bear and limit the left and right sides of the battery cell.

6. The frame of claim 1, wherein, The frame body (1) comprises a bottom frame (11), a top frame (12), a plurality of battery cell mounting layers and a plurality of vertical supports (13), the upper ends of the vertical supports (13) are fixedly connected to the top frame (12), the lower ends of the vertical supports (13) are fixedly connected to the bottom frame (11), the battery cell mounting layers are equidistantly arranged between the top frame (12) and the bottom frame (11), each of the battery cell mounting layers is fixedly connected to the vertical supports (13) to be supported, and each of the battery cell mounting layers is provided with a plurality of the battery cell mounting and fixing assemblies (2).

7. The frame of claim 6, wherein, The battery cell mounting layer comprises a plurality of horizontal supports (14) arranged in the same horizontal plane, the two ends of the horizontal support (14) are fixedly connected to a vertical support (13), and the battery cell mounting and fixing assembly (2) is threadedly fixed to the horizontal support (14) through the bearing beam (21) and mounted on the battery cell mounting layer.

8. The frame of claim 7, wherein, The frame body (1) further comprises a plurality of reinforcing supports (15), one end of each of the reinforcing supports (15) is fixedly connected to a vertical support (13), and the other end of each of the reinforcing supports (15) is fixedly connected to the bottom frame (11).

9. A battery system characterized by, The battery cell mounting frame comprises a plurality of battery cells, a plurality of integrated busbars and the battery cell mounting frame according to any one of claims 1-8, a plurality of the battery cells are mounted on the battery cell mounting frame, each of the battery cell mounting and fixing assemblies (2) is welded with the integrated busbar, and the integrated busbar is electrically connected with the battery cell in the battery cell mounting and fixing assembly (2).

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