Flat-lying type battery module

Abstract

The utility model discloses a flat-lying type battery module. The flat-lying type battery module comprises a battery cell assembly, two module end plates and a plurality of long screw rods, the battery cell assembly comprises a plurality of battery cells which are stacked side by side in multiple columns, and the battery cells are horizontally placed; the two module end plates are oppositely arranged and abut against the upper side and the lower side of the battery cell assembly respectively, the front ends of the two module end plates are locked through at least two long screw rods, and a supporting plate is clamped between the front ends of the two module end plates; the rear ends of the two module end plates are locked through at least two long screws, a supporting plate is clamped between the rear ends of the two module end plates, the upper end and the lower end of each supporting plate abut against the two module end plates respectively, and the supporting plates are provided with supporting holes where the long screws are arranged in a sleeved mode. According to the flat-type battery module disclosed by the utility model, the locking position of the long screw rod and the module end plate can be supported through the supporting plate, so that the problem of torque attenuation of the long screw rod caused by deformation of the module end plate can be effectively prevented, and further, the mounting stability of the flat-type battery module disclosed by the utility model can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery module field especially point to a kind of battery module of lying flat. BACKGROUND

[0002] Many existing battery modules will be locked together by long screw relative to two module end plates, but the existing battery module does not support the locking position of long screw, which causes the deformation of module end plate after long-term locking of long screw, resulting in the problem of torque attenuation of long screw, affecting the installation stability of battery module.

[0003] In view of the above problems, it is necessary to study a lying flat battery module, which has the advantages of stable installation. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a lying flat battery module, which has the advantages of stable installation.

[0005] In order to achieve the above purpose, the solution of the utility model is as follows:

[0006] A lying flat battery module includes a cell assembly, two module end plates and a plurality of long screws. The cell assembly includes a plurality of side-by-side and multi-column stacked cells, each cell is placed horizontally. The two module end plates are arranged opposite to each other and abut against the upper and lower sides of the cell assembly. The front ends of the two module end plates are locked by at least two long screws, and a support plate is clamped between the front ends of the two module end plates. The rear ends of the two module end plates are locked by at least two long screws, and a support plate is clamped between the rear ends of the two module end plates. The upper and lower ends of each support plate abut against the two module end plates, and the support plate is provided with a support hole for sleeving the long screw.

[0007] The two module end plates are also connected by at least two binding belts. Each binding belt binds two module end plates.

[0008] The module end plate is provided with a limiting groove for embedding the binding belt.

[0009] An insulating sheet is clamped between the cell assembly and the two module end plates.

[0010] The positive and negative poles of each cell of the cell assembly are respectively located on the left and right sides of the cell. Each cell of the cell assembly is connected in series and / or parallel by busbars.

[0011] The lying flat battery module further includes two insulating cover plates, which cover the busbars connected to the left and right sides of the cell assembly.

[0012] The module end plate is provided with horizontal and vertical staggered reinforcing ribs on the side away from the cell assembly.

[0013] The module end plate is provided with an abutting plane on the side close to the battery cell assembly.

[0014] The module end plate is provided with a positioning groove for embedding the support plate.

[0015] The surface of the support plate is provided with concave-convex stripes.

[0016] After the above scheme, the front ends of the two module end plates are locked by at least two long screws, and the support plates are clamped between the front ends of the two module end plates; the rear ends of the two module end plates are locked by at least two long screws, and the support plates are clamped between the rear ends of the two module end plates; the upper and lower ends of each support plate abut against the two module end plates, and the support plate is provided with a support hole for sleeving the long screw; the long screw and the module end plate can be supported by the support plate, thereby effectively preventing the deformation of the module end plate and the problem of torque attenuation of the long screw, and effectively improving the installation stability of the flat lying battery module. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model.

[0018] Figure 2 It is a local structural schematic view of the utility model.

[0019] Figure 3 It is an explosion view of the utility model.

[0020] Figure 4 It is a structural schematic view of the module end plate of the utility model Figure 1 .

[0021] Figure 5 It is a structural schematic view of the module end plate of the utility model Figure 2 .

[0022] Figure 6 It is a structural schematic view of the support plate of the utility model.

[0023] Figure 7 It is a structural schematic view of the battery cell of the utility model.

[0024] Label explanation:

[0025] Battery cell assembly 1, battery cell 11, busbar 12,

[0026] Module end plate 2, reinforcing rib 21, abutting plane 22, positioning groove 23, lifting hole 24, limiting groove 25,

[0027] Long screw 3,

[0028] Support plate 4, support hole 41, stripe 42,

[0029] strapping 5,

[0030] insulating sheet 6,

[0031] insulating cover plate 7. DETAILED DESCRIPTION

[0032] In order to further explain the technical scheme of the utility model, the utility model will be described in detail below through specific embodiments.

[0033] As Figures 1 to 7 shown, the utility model discloses a flat lying type battery module, it includes electric core subassembly 1, two module end plate 2 and a plurality of long screw rod 3, wherein, electric core subassembly 1 includes a plurality of side by side multi -column stacked electric core 11, each electric core 11 lies flat and places, two module end plate 2 are oppositely arranged and respectively abut electric core subassembly 1's upper and lower two sides, and the front end of two module end plate 2 is locked through at least two long screw rod 3 and the front end between two module end plate 2 is clamped and is equipped with support plate 4, and the rear end of two module end plate 2 is locked through at least two long screw rod 3 and the rear end between two module end plate 2 is clamped and is equipped with support plate 4, and the upper and lower two ends of each support plate 4 abut two module end plate 2 respectively and support plate 4 is equipped with the support hole 41 of long screw rod 3's sleeve, the utility model can support the locking position of long screw rod 3 and module end plate 2 through support plate 4, thereby effectively prevent the problem that long screw rod 3 appears torque attenuation caused by module end plate 2 deformation, and then effectively improve the installation stability of the flat lying type battery module of the utility model.

[0034] In the embodiment of the utility model, the side of module end plate 2 away from electric core subassembly 1 is equipped with transverse and longitudinal staggered reinforcing rib 21, and reinforcing rib 21 can effectively improve the strength of module end plate 2, and the side of module end plate 2 close to electric core subassembly 1 is equipped with abutting plane 22, so that module end plate 2 exerts balanced force on electric core subassembly 1 and effectively protects electric core subassembly 1. Module end plate 2 can be equipped with positioning groove 23 for embedding support plate 4, so that support plate 4 is installed accurately, and then long screw rod 3 passes through the support hole 41 of support plate 4; the edge of module end plate 2 can be equipped with lifting hole 24 to lift the flat lying type battery module of the utility model; and the surface of support plate 4 can be equipped with concave-convex stripes 42 to improve the friction coefficient of support plate 4.

[0035] In the embodiment of the utility model, two module end plate 2 can also be connected by at least two strapping 5, and each strapping 5 binds two module end plate 2, which can further improve the installation stability of the flat lying type battery module of the utility model. Module end plate 2 can be equipped with limiting groove 25 for embedding strapping 5 to prevent strapping 5 from shifting.

[0036] In the embodiment of the utility model, the insulating sheet 6 is arranged between the electric core assembly 1 and the two module end plates 2, and the insulating sheet 6 can prevent the electric core assembly 1 from being electrified.

[0037] In the embodiment of the utility model, the positive and negative poles of each electric core 11 of the electric core assembly 1 are respectively arranged on the left and right sides of the electric core 11, and each electric core 11 of the electric core assembly 1 is connected in series and / or parallel through the busbar 12.

[0038] In the embodiment of the utility model, the flat lying type battery module further comprises two insulating cover plates 7, the two insulating cover plates 7 are respectively arranged on the left and right sides of the electric core assembly 1 to cover the busbar 12 connected on the left and right sides of the electric core assembly 1 and prevent the busbar 12 from being electrified; the two insulating cover plates 7 can be bonded with the electric core assembly 1 through glue.

[0039] The above embodiment and drawing are not limited to the product shape and style of the utility model, and any ordinary skilled person in the art can make appropriate changes or modifications, which shall be considered as not departing from the patent category of the utility model.

Claims

1. A horizontally oriented battery module, characterized in that: It includes battery cell assembly, two module end plates, and multiple long screws; The battery cell assembly consists of multiple battery cells stacked side by side in multiple columns, with each battery cell lying flat. Two module end plates are arranged opposite each other and abut against the upper and lower sides of the battery cell assembly respectively. The front ends of the two module end plates are locked by at least two long screws and a support plate is sandwiched between the front ends of the two module end plates. The rear ends of the two module end plates are locked by at least two long screws and a support plate is sandwiched between the rear ends of the two module end plates. The upper and lower ends of each support plate abut against the two module end plates respectively, and the support plate is provided with support holes for fitting long screws.

2. The horizontally mounted battery module as described in claim 1, characterized in that: The two module end plates are also connected by at least two straps, with each strap binding the two module end plates together.

3. The horizontally mounted battery module as described in claim 2, characterized in that: The module end plate is provided with a limiting groove for the insertion of strapping tape.

4. The flat-lying battery module as described in claim 1, characterized in that: An insulating sheet is sandwiched between the battery cell assembly and the two module end plates.

5. The flat-lying battery module as described in claim 1, characterized in that: The positive and negative terminals of each cell in the battery cell assembly are located on the left and right sides of the cell, respectively; the cells of the battery cell assembly are connected in series and / or in parallel through a busbar.

6. The flat-lying battery module as described in claim 5, characterized in that: It also includes two insulating covers, which respectively cover the busbars connected to the left and right sides of the battery cell assembly.

7. The horizontally mounted battery module as described in claim 1, characterized in that: The module end plate has crisscrossing reinforcing ribs on the side away from the battery cell assembly.

8. The flat-lying battery module as described in claim 1, characterized in that: The module end plate has an abutment plane on the side near the battery cell assembly.

9. The flat-lying battery module as described in claim 1, characterized in that: The module end plate is provided with a positioning groove for the support plate to be embedded.

10. The flat-lying battery module as described in claim 1, characterized in that: The surface of the support plate is provided with raised and recessed stripes.

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