Battery module end plate easy to install and hoist

Abstract

The utility model relates to the technical field of battery modules, in particular to a battery module end plate easy to mount and hoist, which comprises a main body and a steel belt limiting rib, the main body is provided with a mounting surface and a clamping surface, the steel belt limiting rib is fixedly connected with the main body and is positioned on the mounting surface, two steel belt pin holes are arranged on the mounting surface, and the clamping surface is fixedly connected with the main body. The end plate is used for fixing a lithium ion battery module in an energy storage system PACK, the problems that the extrusion force of the module is too large and the module is inconvenient to install and align with the bolt holes are solved, meanwhile, the probability that the steel belt extrudes a battery cell when the end plate deviates is reduced, and the service life of the battery cell is prolonged. In this way, the problems that in the prior art, when a module end plate is used, the extrusion force is too large and cannot be accurately calculated when the module extrudes a sleeve steel belt, and if the module end plate is installed in an offset mode, the steel belt extrudes a battery cell aluminum shell, so that a battery cell deforms, and potential safety hazards exist are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery modules, in particular to a battery module end plate which is easy to install and hoist. Background Art

[0002] A battery module is a unit assembled from multiple battery cells to provide higher voltage and capacity. It is widely used in electric vehicles, hybrid vehicles, energy storage systems and other fields requiring large capacity and high voltage. The battery module usually includes two end plates for limiting the battery. Multiple batteries are arranged between the two end plates. The end plates are fixed by external components to achieve the fixation of the battery.

[0003] The existing module end plates have problems such as excessive extrusion pressure when the module is extruded with steel strips, and the extrusion pressure cannot be accurately calculated. In addition, if the module end plates are installed offset, the steel strips will squeeze the aluminum shell of the battery cell, causing the battery cell to deform, posing a safety hazard. Utility Model Content

[0004] The purpose of the utility model is to provide a battery module end plate that is easy to install and hoist, aiming to solve the problems in the prior art that the module end plate has excessive extrusion force and the extrusion force cannot be accurately calculated when the module is extruded with a steel strip. In addition, if the module end plate is installed offset, the steel strip will squeeze the aluminum shell of the battery cell, causing the battery cell to deform, posing a safety hazard.

[0005] To achieve the above-mentioned purpose, the utility model adopts a battery module end plate that is easy to install and hoist, including a main body and a steel belt limiting rib, the main body has a mounting surface and a clamping surface, the steel belt limiting rib is fixedly connected to the main body, and the steel belt limiting rib is located on the mounting surface, two steel belt pin holes are provided on the mounting surface, the two steel belt pin holes are symmetrically arranged in the upper and lower parts, and the main body has two bolt holes.

[0006] There are two steel belt limiting ribs, and both of the two steel belt limiting ribs are fixedly connected to the main body.

[0007] There are two hanging holes on the mounting surface, and each of the hanging holes is a waist-shaped hole.

[0008] Wherein, the main body is further provided with two avoidance grooves, and the two avoidance grooves are both provided on the lower end surface of the main body.

[0009] Wherein, the main body is further provided with two rounded corner structures, and the two rounded corner structures are located on both sides of the main body.

[0010] Wherein, the main body is further provided with an insulating seat installation groove, and the insulating seat installation groove is arranged on the upper end surface of the main body.

[0011] Wherein, the insulating seat installation groove is provided with reinforcing ribs.

[0012] The utility model provides a battery module end plate which is easy to install and hoist, and is used for fixing the lithium-ion battery module in the energy storage system PACK. It improves the problems of excessive module extrusion force and inconvenient module installation and alignment of bolt holes, and at the same time reduces the probability of the steel strip squeezing the battery cell when the end plate is offset. In this way, it solves the problems of excessive extrusion force and inability to accurately calculate the extrusion force of the module end plate used in the prior art when the module is extruded with the steel strip, and the technical problem that if the module end plate is installed offset, the steel strip will squeeze the aluminum shell of the battery cell, causing the battery cell to deform and posing a safety hazard. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0014] Figure 1 It is a structural schematic diagram of the battery module end plate of the utility model which is easy to install and hoist.

[0015] Figure 2 It is a three-dimensional diagram of the battery module end plate of the utility model which is easy to install and hoist.

[0016] Figure 3 This is a front view of the battery module end plate of the utility model, which is easy to install and hoist.

[0017] Figure 4 The utility model is a schematic diagram of the battery module end plate which is easy to install and hoist and the battery module during hoisting.

[0018] 1-main body, 2-steel belt limiting rib, 3-installation surface, 4-clamping surface, 5-steel belt pin hole, 6-bolt hole, 7-lifting hole, 8-avoidance groove, 9-rounded structure, 10-insulation seat installation groove, 11-reinforcement rib, 12-upper end surface, 13-lower end surface, 14-steel belt, 15-insulation material, 16-limiting pin or mushroom buckle. DETAILED DESCRIPTION

[0019] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0020] See also Figures 1 to 4 ,in Figure 1 This is a structural diagram of the battery module end plate of the utility model which is easy to install and hoist. Figure 2 This is a three-dimensional diagram of the battery module end plate of the utility model that is easy to install and hoist. Figure 3 This is the main view of the battery module end plate of the utility model which is easy to install and hoist. Figure 4 The utility model is a schematic diagram of the battery module end plate which is easy to install and hoist and the battery module during hoisting.

[0021] The utility model provides a battery module end plate that is easy to install and hoist, comprising a main body 1 and a steel belt limiting rib 2. The main body 1 has a mounting surface 3 and a clamping surface 4. The steel belt limiting rib 2 is fixedly connected to the main body 1 and is located on the mounting surface 3. Two steel belt pin holes 5 are provided on the mounting surface 3. The two steel belt pin holes 5 are symmetrically arranged in an upper and lower direction. The main body 1 has two bolt holes 6.

[0022] There are two steel belt limiting ribs 2, and both of the two steel belt limiting ribs 2 are fixedly connected to the main body 1;

[0023] The mounting surface 3 is further provided with two lifting holes 7, each of which is a waist-shaped hole.

[0024] The main body 1 is further provided with two avoidance grooves 8, both of which are provided on the lower end surface 13 of the main body 1;

[0025] The main body 1 is further provided with two rounded corner structures 9, and the two rounded corner structures 9 are located on both sides of the main body 1;

[0026] The main body 1 is further provided with an insulating seat mounting groove 10, and the insulating seat mounting groove 10 is provided on the upper end surface 12 of the main body 1;

[0027] The insulating seat installation groove 10 has a reinforcing rib 11 therein.

[0028] For this specific embodiment, it is used to fix the lithium-ion battery module in the energy storage system PACK, improves the problem of excessive module extrusion force and inconvenient module installation alignment bolt hole 6, and at the same time reduces the probability of the steel belt 14 squeezing the battery cell when the end plate is offset. In this way, it solves the problem of excessive extrusion force and inaccurate calculation of the extrusion force when the module end plate used in the prior art is squeezed by the steel belt 14. If the module end plate is installed offset, it will also cause the steel belt 14 to squeeze the aluminum shell of the battery cell, causing the battery cell to deform, posing a safety hazard.

[0029] When the utility model is used, the specific steps are as follows:

[0030] First, place the lower end face 13 of a battery module end plate that is easy to install and hoist onto the tooling, maintaining a certain distance between the lower end face 13 and the bottom surface of the battery cell (this distance is determined by the module installation box); adhere the insulating material 15 to the clamping surface 4 or the battery cell, align the battery cell and the clamping surface 4 of the end plate left and right, and press them tightly to ensure a firm adhesion. In this way, stack the remaining battery cells and the battery module end plate that is easy to install and hoist at the other end in sequence until the module stacking is completed;

[0031] Then use the extrusion tool to extrude the module to the specified size. Insert the corresponding steel belt 14 from the top along the installation surface 3 and the chamfered structure 9 to the top of the steel belt limiting rib 2; insert the limiting pin or mushroom buckle 16 into the corresponding steel belt pin hole 5 to complete the fixation of the upper steel belt 14. Insert the corresponding steel belt 14 from the bottom along the installation surface 3 and the chamfered structure 9 to the bottom of the steel belt limiting rib 2; insert the limiting pin or mushroom buckle 16 into the corresponding steel belt pin hole 5 to complete the fixation of the lower steel belt 14. After completing the installation of the upper and lower steel belts 14, you can release the extrusion tool to complete the module bundling;

[0032] Then prepare two pairs of hooks, one end of which is fixed on the lifting equipment, and the other end is a V-shaped hook tongue, and hook the two hook tongues of the two pairs of hooks into the two lifting holes 7 respectively, lift the lifting equipment upward, straighten the hooks, and the lifting is completed;

[0033] At the same time, align the matching insulating seat with the quasi-insulating seat installation groove 10 from above the upper end surface 12, ensuring that the insulating seat installation contour coincides with the hollowed-out portion of the insulating seat installation groove 10, and gently press until the insulating seat fits with the upper end surface 12 to complete the installation;

[0034] Finally, place the module in a fixed position in the PACK box, insert the bolts from the bolt holes 6, observe and adjust the positions of the bolts and modules from the avoidance grooves 8 until the module is placed correctly and the bolts are aligned with the fixed threaded holes in the box, tighten the bolts, and complete the module fixation.

[0035] The utility model uses a battery module end plate that is easy to install and hoist, and is used to fix the lithium-ion battery module in the energy storage system PACK, thereby improving the problem of excessive module extrusion force and inconvenient module installation alignment bolt hole 6. At the same time, it reduces the probability of the steel belt 14 squeezing the battery cell when the end plate is offset. In this way, it solves the problem of excessive extrusion force and inaccurate calculation of the extrusion force of the module end plate used in the prior art when the module is extruded by the steel belt 14, and if the module end plate is installed offset, it will also cause the steel belt 14 to squeeze the aluminum shell of the battery cell, causing the battery cell to deform, posing a safety hazard.

[0036] Beneficial effects of the utility model:

[0037] 1. Two steel belt limiting ribs 2 are provided in the middle of the installation surface 3. When the module is squeezed to the specified position, the steel belt 14 can be easily inserted, which facilitates the installation of the steel belt 14 and the calculation of the squeezing force;

[0038] 2. The fixing pin hole on the mounting surface 3 cooperates with the steel belt 14 with the pin hole to ensure that the steel belt 14 does not fall off;

[0039] 3. The mounting surface 3 is provided with two lifting holes 7. The shape of the lifting holes 7 facilitates the installation of the hook and enables the module to remain stable and not fall off during the lifting process;

[0040] 4. The width of the main body 1 is greater than the width of the clamping surface 4 that fits the battery cell. The width of the clamping surface 4 is consistent with the width of the battery cell. This facilitates the stacking of modules and ensures that the steel strip 14 does not damage the battery cell.

[0041] 5. Two avoidance grooves 8 are provided at the bolt holes 6 on the lower end surface 13. When installing the module, the position of the bolts can be observed, which reduces the movement when aligning the module installation holes and facilitates the installation of the module;

[0042] 6. The upper end surface 12 is provided with the insulating seat installation groove 10. The installation can be completed by simply placing the matching insulating seat into the groove;

[0043] 7. The main body 1 is produced by extrusion molding of aluminum profiles, and the interior is hollowed out, which not only reduces the weight but also ensures that the overall structure has a certain strength, taking into account both production efficiency and economy.

[0044] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made in accordance with the claims of the present invention are still within the scope of the utility model.

Claims

1. A battery module end plate that is easy to install and hoist, characterized in that: It includes a main body and a steel belt limiting rib, the main body has a mounting surface and a clamping surface, the steel belt limiting rib is fixedly connected to the main body, and the steel belt limiting rib is located on the mounting surface, two steel belt pin holes are provided on the mounting surface, and the two steel belt pin holes are symmetrically arranged in the upper and lower parts, and the main body has two bolt holes.

2. The battery module end plate that is easy to install and hoist as claimed in claim 1, characterized in that: There are two steel belt limiting ribs, and both of the two steel belt limiting ribs are fixedly connected to the main body.

3. The battery module end plate that is easy to install and hoist as claimed in claim 2, characterized in that: The mounting surface is further provided with two lifting holes, each of which is a waist-shaped hole.

4. The battery module end plate that is easy to install and hoist as claimed in claim 3, characterized in that: The main body is further provided with two avoidance grooves, and the two avoidance grooves are both arranged on the lower end surface of the main body.

5. The battery module end plate that is easy to install and hoist as claimed in claim 4, characterized in that: The main body is further provided with two rounded corner structures, and the two rounded corner structures are located on both sides of the main body.

6. The battery module end plate that is easy to install and hoist as claimed in claim 5, characterized in that: The main body is further provided with an insulating seat mounting groove, and the insulating seat mounting groove is arranged on the upper end surface of the main body.

7. The battery module end plate that is easy to install and hoist as claimed in claim 6, characterized in that: The insulating seat installation groove is provided with reinforcing ribs.

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