CN210837827U

CN210837827U - Battery module frame construction

Info

Publication number: CN210837827U
Application number: CN201921391605.2U
Authority: CN
Inventors: 钱浩; 徐超; 李祖院
Original assignee: Wuhu Stc Battery System Ltd
Current assignee: Wuhu Stc Battery System Ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-06-23
Anticipated expiration: 2029-08-26

Abstract

The utility model provides a battery module frame structure applied to the technical field of power batteries, which comprises a bottom plate (1), an end plate I (2), an end plate II (3) and a plurality of angle steels (4), the end plate I (2) and the end plate II (3) are respectively connected with the bottom plate (1), one end of each angle steel (4) is connected with the end plate I (2), the other end of each angle steel (4) is connected with the end plate II (3), a plurality of battery cells (6) of the battery module (5) are laminated and placed in the frame cavity between the end plate I (2) and the end plate II (3), the frame structure of the battery module has simple structure, the reliable assembly and the whole strength requirement of the battery module are ensured, the assembly and disassembly process of the battery module is simple, meanwhile, the whole weight is reduced, so that the maintenance and the replacement are convenient, and the development requirements of a new energy market are effectively met.

Description

Battery module frame construction

Technical Field

The utility model belongs to the technical field of power battery, more specifically say, relate to a battery module frame construction.

Background

With the development of society, new energy resources are more and more emphasized in China, and therefore, the power battery is more and more widely applied. At present, the battery module is mostly through aluminium end plate and aluminium curb plate through laser or CMT welding guarantee the bulk rigidity of module, and this kind of condition just needs special welding equipment to realize the welding to shearing tension is bigger after the welding, and difficult dismantlement, the maintenance in inconvenient later stage can't satisfy the demand of battery module production and market development.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the utility model provides a simple structure when guaranteeing the reliable equipment of battery module and bulk strength demand for the loading and unloading process of battery module is simple, alleviates whole weight simultaneously, makes the convenient battery module frame construction of maintenance change.

To solve the technical problem, the utility model discloses the technical scheme who takes does:

the utility model relates to a battery module frame construction, including bottom plate, end plate I, end plate II, a plurality of angle steel, end plate I and end plate II be connected with the bottom plate respectively, every angle steel one end is connected with end plate I, every angle steel other end is connected with end plate II, a plurality of electric core laminating of battery module are placed in the frame cavity between end plate I and end plate II.

The angle steel include two lower part angle steels and two upper portion angle steels, every lower part angle steel one end and I one side sub-unit connection of end plate, every upper portion angle steel other end and II one side sub-unit connections of end plate, every upper portion angle steel one end and I one side upper portion connection of end plate, every upper portion angle steel other end and II one side upper portion connections of end plate.

The end plate I is fixedly connected with the bottom plate through a plurality of connecting screw rods, and the end plate II is fixedly connected with the bottom plate through a plurality of connecting screw rods.

The kink and the I one side lower part of end plate of every lower part angle steel one end are through the bolted connection who pierces through end plate I, and the kink and the II opposite side lower parts of end plate of every lower part angle steel other end are through the bolted connection who pierces through end plate II.

The kink and the I one side upper portion of end plate of every upper portion angle steel one end are through the bolted connection who pierces through end plate I, and the kink and the II one side upper portions of end plate of every upper portion angle steel other end are through the bolted connection who pierces through end plate II.

The battery module frame structure further comprises an upper cover, and the upper cover is connected with the upper angle steel through screws.

Every two adjacent electric cores of the battery module set up the double faced adhesive tape layer.

The battery module still include the aluminium bar subassembly, the aluminium bar subassembly sets up in battery module upper surface position.

The battery module also comprises an output pole insulating base and a module high-voltage protective cover.

Adopt the technical scheme of the utility model, can obtain following beneficial effect:

battery module frame construction, through bottom plate, a plurality of angle steel, two end plates, realize connecting to form frame construction, including clamping the battery module that a plurality of electricity cores are constituteed, realize the fixed to the battery module, thereby ensure the bulk strength of whole battery module. Every angle steel all sets up to be the L type structure for the cross-section, like this, when carrying out the battery module fixed, every angle steel is located a corner position of the battery module side that a plurality of electric cores formed respectively, and partly card is in the battery module side, and another part card is in battery module surface or bottom, and every angle steel is connected with two end plates respectively, satisfies the battery module requirement. Above-mentioned structure, the density that can effectively change the battery module among the prior art is big, the metalwork is too much to cause weight overweight, maintenance change shortcoming such as being difficult for dismantling. The utility model discloses a battery module's design, through the cooperation of angle steel with the end plate, each part screw connection satisfies accomplishes the optimum design under simple technological conditions, and convenient reliable realization loading and unloading can conveniently dismantle in order to satisfy the customer demand. Battery module frame construction, simple structure when guaranteeing the reliable equipment of battery module and bulk strength demand for the loading and unloading process of battery module is simple, alleviates whole weight simultaneously, makes the maintenance change convenient, effectively adapts to the development demand in new forms of energy market.

Drawings

The contents of the description and the references in the drawings are briefly described as follows:

fig. 1 is a schematic view of the overall structure of the battery module frame structure according to the present invention;

fig. 2 is an exploded view of the frame structure of the battery module according to the present invention;

fig. 3 is a schematic view of a local explosion structure of an angle steel assembly of a battery module frame structure according to the present invention;

in the drawings, the reference numbers are respectively: 1. a base plate; 2. an end plate I; 3. an end plate II; 4. angle steel; 5. a battery module; 6. an electric core; 7. a lower angle steel; 8. an upper angle steel; 9. an upper cover; 10. an aluminum bar assembly; 11. an output electrode insulating base; 12. a module high voltage protection cover; 13. a screw; 14. a double-sided adhesive layer.

Detailed Description

The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings, wherein the embodiments of the present invention are described in detail with reference to the accompanying drawings, for example, the shapes, structures, mutual positions and connection relations of the components, the functions and operation principles of the components, and the like:

as shown in the accompanying drawings 1-3, the utility model relates to a battery module frame construction, including bottom plate 1, end plate I2, end plate II 3, a plurality of angle steel 4, end plate I2 and end plate II 3 be connected with bottom plate 1 respectively, 4 one ends of every angle steel are connected with end plate I2, the 4 other ends of every angle steel are connected with end plate II 3, 6 laminating of a plurality of electric cores of battery module 5 are placed in the frame cavity between end plate I2 and end plate II 3. Above-mentioned structure through bottom plate, a plurality of angle steel, two end plates, realizes connecting to form frame construction, including clamping the battery module that a plurality of electric cores are constituteed, realize the fixed to the battery module, thereby ensure the bulk strength of whole battery module. Every angle steel all sets up to be the L type structure for the cross-section, like this, when carrying out the battery module fixed, every angle steel is located a corner position of the battery module side that a plurality of electric cores formed respectively, and partly card is in the battery module side, and another part card is in battery module surface or bottom, and every angle steel is connected with two end plates respectively, satisfies the battery module requirement. Above-mentioned structure, the density that can effectively change the battery module among the prior art is big, the metalwork is too much to cause weight overweight, maintenance change shortcoming such as being difficult for dismantling. The utility model discloses a battery module's design, through the cooperation of angle steel with the end plate, each part screw connection satisfies accomplishes the optimum design under simple technological conditions, and convenient reliable realization loading and unloading can conveniently dismantle in order to satisfy the customer demand. Battery module frame construction, simple structure when guaranteeing the reliable equipment of battery module and bulk strength demand for the loading and unloading process of battery module is simple, alleviates whole weight simultaneously, makes the maintenance change convenient, effectively adapts to the development demand in new forms of energy market.

Angle steel 4 include two lower part angle steels 7 and two upper

portion angle steels

8, 7 one end of every lower part angle steel and end plate I2 one side sub-unit connection, the 8 other end of every upper portion angle steel and end plate II 3 one side sub-unit connection, 8 one end of every upper portion angle steel and end plate I2 one side upper portion connection, the 8 other end of every upper portion angle steel and end plate II 3 one side upper portion connection. Above-mentioned structure, set up the two-sided adhesive layer between per two adjacent electric cores, a plurality of electric cores pile up in proper order and form the battery module, battery module frame construction includes two end plates (end plate I2 and end plate II 3), be located the two of battery module respectively, four angle steel, be located four right angles departments of battery module that have two end plates respectively, end plate and angle steel pass through screw fixed connection, thereby form frame construction, effectively realize the restriction to the degree of freedom of battery module X direction, the Y direction, the three direction of Z direction, thereby ensure that whole battery module connects reliably, and loading and unloading are very convenient and fast. Adopt two-sided glue film between electric core and the electric core to avoided adopting the structure to glue the excessive gluey condition that appears in extrusion process, saved the structure simultaneously and glued curing time, easily operation, production efficiency is high.

End plate I2 through a plurality of connecting screw and 1 fixed connection of bottom plate, end plate II 3 through a plurality of connecting screw and 1 fixed connection of bottom plate. Above-mentioned structure, connecting screw passes end plate I from end plate I2 upper portion, and is connected with the screw on the bottom plate 1, and end plate I2 arranges perpendicularly on bottom plate 1, realizes reliably connecting. The connecting screw rod penetrates through the end plate II 3 from the upper part of the end plate II 3 and is connected with a screw hole in the bottom plate, and the end plate II is vertically arranged on the bottom plate to realize reliable connection.

The kink and the end plate I2 one side lower part of 7 one ends of every lower part angle steel are through the bolted connection who pierces through end plate I2, and the kink and the end plate II 3 opposite side lower part of the other end of every lower part angle steel are through the bolted connection who pierces through end plate II 3. The kink and the end plate I2 one side upper portion of 8 one ends of every upper portion angle steel are through the bolted connection who pierces through end plate I2, and the kink and the end plate II 3 one side upper portion of the 8 other ends of every upper portion angle steel are through the bolted connection who pierces through end plate II 3. Above-mentioned structure, the angle steel realizes spacing the joint of battery module to reliably realize being connected with the end plate, and the end plate is reliably connected with the bottom plate, forms reliable frame construction.

The battery module frame structure further comprises an upper cover 9, and the upper cover 9 is connected with the upper angle steel 8 through screws. The upper cover is arranged and connected with the upper angle steel through screws, so that reliable sealing is realized.

And a double-faced adhesive tape layer is arranged between every two adjacent electric cores 6 of the battery module 5.

The battery module 5 further comprises an aluminum bar assembly 10, and the aluminum bar assembly 10 is arranged on the upper surface of the battery module 5. Above-mentioned structure, aluminium bar subassembly includes aluminium bar and FPC collection line row. The aluminum bar comprises two types of module hard bars and output ends which are connected between the electric cores, wherein the module hard bars are made of 1.5mm of O-state aluminum, and the output bars are formed by compounding copper and aluminum; the FPC acquisition line bank integrates temperature and voltage acquisition and is welded with the module aluminum bar through a nickel strip. The battery module 5 further comprises an output pole insulating base 11 and a module high-voltage protective cover 12. The output pole insulating base and the module high-voltage protective cover are formed by injection molding and mainly play a role in insulation protection. The upper cover adopts a PC plastic uptake process.

The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the present invention can be implemented in various ways without modification, and the present invention is not limited by the above embodiments.

Claims

1. The utility model provides a battery module frame construction which characterized in that: including bottom plate (1), end plate I (2), end plate II (3), a plurality of angle steel (4), end plate I (2) and end plate II (3) be connected with bottom plate (1) respectively, every angle steel (4) one end is connected with end plate I (2), every angle steel (4) other end is connected with end plate II (3), a plurality of electric cores (6) of battery module (5) are laminated and are placed in the frame cavity between end plate I (2) and end plate II (3).

2. The battery module frame structure according to claim 1, wherein: angle steel (4) including two lower part angle steel (7) and two upper portion angle steel (8), every lower part angle steel (7) one end and end plate I (2) one side sub-unit connection, every upper portion angle steel (8) other end and end plate II (3) one side sub-unit connection, every upper portion angle steel (8) one end and end plate I (2) one side upper portion connection, every upper portion angle steel (8) other end and end plate II (3) one side upper portion connection.

3. The battery module frame structure according to claim 1 or 2, wherein: end plate I (2) through a plurality of connecting screw and bottom plate (1) fixed connection, end plate II (3) through a plurality of connecting screw and bottom plate (1) fixed connection.

4. The battery module frame structure according to claim 2, wherein: the bent part of every lower part angle steel (7) one end and the screw connection of end plate I (2) one side lower part through penetrating end plate I (2), the bent part of every lower part angle steel (7) other end and end plate II (3) opposite side lower part through penetrating end plate II (3).

5. The battery module frame structure according to claim 2 or 4, wherein: the kink and the end plate I (2) one side upper portion of every upper portion angle steel (8) one end are through the bolted connection who pierces through end plate I (2), and the kink and the end plate II (3) one side upper portion of every upper portion angle steel (8) other end are through the bolted connection who pierces through end plate II (3).

6. The battery module frame structure according to claim 1 or 2, wherein: the battery module frame structure further comprises an upper cover (9), and the upper cover (9) is connected with the upper angle steel (8) through screws.

7. The battery module frame structure according to claim 1 or 2, wherein: and a double-faced adhesive tape layer is arranged between every two adjacent electric cores (6) of the battery module (5).

8. The battery module frame structure according to claim 1 or 2, wherein: the battery module (5) further comprises an aluminum bar component (10), and the aluminum bar component (10) is arranged on the upper surface of the battery module (5).

9. The battery module frame structure according to claim 1 or 2, wherein: the battery module (5) further comprises an output electrode insulating base (11) and a module high-voltage protective cover (12).