CN209929376U

CN209929376U - Novel inner skeleton for battery module

Info

Publication number: CN209929376U
Application number: CN201920886743.1U
Authority: CN
Inventors: 金耀权
Original assignee: Zhejiang Newlink Technology Co Ltd
Current assignee: Niuwashike (Shanghai) Technology Co.,Ltd.
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-01-10
Anticipated expiration: 2029-06-13

Abstract

The utility model discloses a novel endoskeleton for battery module. The battery module comprises a plurality of T-shaped sections inserted into an electric core in the battery module, wherein each T-shaped section comprises two horizontal plates and two vertical plates which are perpendicular to each other, the cross section of each T-shaped section is of an inverted T shape, the vertical plates of the T-shaped sections are inserted between two adjacent electric cores in the electric cores, the T-shaped sections are used for effectively transmitting stress of the electric cores, and clamping plates are arranged at two ends of the vertical plates of the T-shaped sections; the plurality of T-shaped materials are connected through the horizontal plates at the bottoms of the T-shaped materials in a glued mode, and the horizontal plates after being glued are used as the bottom faces of the battery modules. The utility model discloses a skeleton design in the T section bar plays heat dissipation and structural strength function simultaneously, compares traditional design material quantity unanimous, nevertheless can practice thrift partial space.

Description

Novel inner skeleton for battery module

Technical Field

The utility model belongs to the technical field of the battery, concretely relates to a novel endoskeleton for battery module.

Background

Under the requirements of large-scale automatic production of power batteries and continuous improvement of performances such as product consistency, more and more power battery enterprises begin to spontaneously adopt standardized module design.

As is known, the new energy power battery industry will develop towards high energy density, so that the assembly of the soft package battery into a module will become the future development trend of the power battery, and the light weight of the battery module structure becomes the inevitable trend. With the same standardized module, key performances such as energy density and electric quantity undoubtedly represent the industry competitiveness.

The existing soft package battery module structure is designed by a traditional exoskeleton, has multiple structural parts and low space utilization rate, and is low in energy density and small in volume energy density when being manufactured into a module. The heat transfer between the batteries is not smooth, and the heat management energy consumption is high.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem in the background art, the utility model provides a novel endoskeleton for battery module.

The battery module is formed by connecting a plurality of battery modules, and in practical application, a large amount of heat can be generated to cause the temperature of the battery to rise, and the performance of the battery can be directly reduced due to overhigh temperature. The utility model discloses use the battery module cooling to be the research object, probe a battery module structure that cooling effect is good, structural stability is high, according to the research, the utility model discloses heat radiation structure's radiating effect is better, can effectively satisfy the practical application demand.

The utility model adopts the technical scheme as follows:

the utility model comprises a plurality of T-shaped sections inserted between the electric cores in the battery module, wherein the T-shaped sections comprise two mutually perpendicular horizontal plates and vertical plates, the cross section of the T-shaped section is of an inverted T shape, the vertical plate of the T-shaped section is inserted between two adjacent electric cores in the electric cores, the T-shaped section is used for effectively transmitting the stress of the electric cores, and two ends of the vertical plate of the T-shaped section are both provided with clamping plates; the plurality of T-shaped materials are connected through the horizontal plates at the bottoms of the T-shaped materials in a glued mode, and the horizontal plates after being glued are used as the bottom faces of the battery modules.

The battery module comprises a battery cell, an end plate, an aluminum alloy upper cover and a T-shaped section; end plates are arranged at two ends of the battery cell, a cavity for embedding the battery cell is formed in the inner side surfaces of the end plates, and the end parts at two ends of the battery cell are embedded in the cavity of the end plates; a plurality of T-shaped sections are inserted at the bottom of the battery core for heat insulation, and the T-shaped sections are arranged perpendicular to the two end plates; the outer peripheral surface of the battery core is sleeved with an aluminum alloy upper cover for sealing.

A plurality of vertical clamping grooves matched with the T-shaped material clamping plates for installation are uniformly distributed in the end plate cavity, and the clamping plates at two ends of the T-shaped material are respectively embedded in the vertical clamping grooves of the end plates at two ends of the battery core.

The horizontal plate of the T-shaped material is used as a cooling radiating surface at the bottom of the battery cell 1, the T-shaped material has a good heat conducting effect, and can effectively play a role in heat dissipation.

And two ends of the horizontal plate of the T-shaped material are respectively connected with the bottoms of the two end plates through glue joint. The bottom of the aluminum alloy upper cover is connected with the outer edges of the horizontal plates on two sides of the T-shaped material after being glued in a welding mode, and the strength and rigidity of the whole battery module are improved.

The T-shaped section is made of aluminum alloy materials and is integrally formed through a die-casting process.

The high-voltage insulating cover is sleeved between the aluminum alloy upper cover and the battery core, the bottom of the aluminum alloy upper cover is connected with the T-shaped section in a welding mode, and the strength and the rigidity of the whole battery module are improved.

The utility model has the advantages that:

the utility model adopts the T-shaped material inner skeleton design, simultaneously has the functions of heat dissipation and structural strength, has consistent material consumption compared with the traditional design, but can save partial space; in the module in the same space, use the utility model discloses the endoskeleton design of T section bar under the circumstances of guaranteeing the performance, can place the higher soft packet of electricity core of energy to improve energy density.

Drawings

Fig. 1 is an overall structure diagram of the battery module of the present invention.

Fig. 2 is a disassembled structure view of the battery module according to the present invention.

Fig. 3 is a structural view of the T-shaped material of the present invention.

Fig. 4 is a schematic view of a clip plate of the T-shaped material of the present invention.

Fig. 5 is a structural diagram of the glue joint of a plurality of T-shaped materials in the present invention.

Fig. 6 is a side view of a plurality of T-shaped members according to the present invention.

In the figure: the battery cell comprises a battery cell (1), an end plate (2), an aluminum alloy upper cover (3), a high-voltage insulating cover (4), a T-shaped material (5) and a clamping plate (6).

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, the battery module includes a battery core 1, an end plate 2, an aluminum alloy upper cover 3 and a T-shaped section 5; end plates 2 are arranged at two ends of the battery cell 1, a cavity for embedding the battery cell 1 is formed in the inner side surfaces of the end plates 2, and the end parts of the two ends of the battery cell 1 are embedded in the cavity of the end plates 2; a plurality of T-shaped sections 5 are inserted at the bottom of the battery core 1 for heat insulation, and the T-shaped sections 5 are arranged perpendicular to the two end plates 2; the outer peripheral surface of the battery core 1 is sleeved with an aluminum alloy upper cover 3 for sealing.

As shown in fig. 3, the present invention comprises a plurality of T-shaped sections 5 inserted into an electrical core 1 of a battery module, wherein the T-shaped sections 5 comprise two horizontal plates and vertical plates perpendicular to each other, the cross section of the T-shaped section 5 is an inverted T-shape, the vertical plate of the T-shaped section 5 is inserted between two adjacent electrical cores in the electrical core 1, the T-shaped section 5 is used for effectively transmitting the stress of the electrical core,

as shown in fig. 2, a plurality of vertical slots are uniformly distributed in the cavity of the end plate 2 and are matched with the clamping plates 6 of the T-shaped material 5, and the clamping plates 6 at two ends of the T-shaped material 5 are respectively embedded in the vertical slots of the end plates 2 at two ends of the electric core 1.

As shown in fig. 4, the vertical plate of the T-shaped section 5 is provided with clamping plates 6 at both ends.

As shown in fig. 5 and 6, two ends of the horizontal plate of the T-shaped section 5 are respectively connected with the bottoms of the two end plates 2 by gluing. The bottom of the aluminum alloy upper cover 3 is welded with the outer edges of the horizontal plates on the two sides of the T-shaped material 5 after being glued, so that the strength and rigidity of the whole battery module are improved.

As shown in fig. 6, the plurality of T-shaped members 5 are connected by the horizontal plates at the bottom thereof, and the horizontal plates after the bonding are used as the bottom surfaces of the battery modules.

Claims

1. A novel endoskeleton for a battery module is characterized by comprising a plurality of T-shaped sections (5) inserted into an electric core (1) in the battery module, wherein each T-shaped section (5) comprises two horizontal plates and a vertical plate which are perpendicular to each other, the cross section of each T-shaped section (5) is of an inverted T shape, the vertical plate of each T-shaped section (5) is inserted into the electric core (1), and clamping plates (6) are arranged at two ends of the vertical plate of each T-shaped section (5); the plurality of T-shaped sections (5) are connected through the horizontal plates at the bottoms of the T-shaped sections in a glued mode, and the horizontal plates of the plurality of T-shaped sections (5) are glued to serve as the bottom faces of the battery modules.

2. The novel endoskeleton for a battery module according to claim 1, wherein the battery module comprises a battery core (1), an end plate (2), an aluminum alloy upper cover (3) and a T-shaped bar (5); end plates (2) are arranged at two ends of the battery cell (1), a cavity for embedding the battery cell (1) is formed in the inner side surface of each end plate (2), and the end parts of the two ends of the battery cell (1) are embedded in the cavity of each end plate (2); a plurality of T-shaped sections (5) are inserted at the bottom of the battery cell (1) for heat dissipation, and the T-shaped sections (5) are arranged perpendicular to the two end plates (2); an aluminum alloy upper cover (3) is sleeved on the peripheral surface of the battery cell (1) for sealing.

3. The novel endoskeleton for the battery module as claimed in claim 2, wherein a plurality of vertical slots matched with the T-shaped clamping plates (6) are uniformly distributed in the cavity of the end plate (2), and the clamping plates (6) at two ends of the T-shaped material (5) are respectively embedded in the vertical slots of the end plates (2) at two ends of the battery core (1).

4. The novel endoskeleton for a battery module as claimed in claim 1, characterized in that the horizontal plate of the T-shaped profile (5) serves as a cooling and heat-dissipating surface at the bottom of the cell (1).

5. The novel endoskeleton for the battery module as claimed in claim 2, wherein the two ends of the horizontal plate of the T-shaped material (5) are respectively connected with the bottoms of the two end plates (2) by gluing; the bottom of the aluminum alloy upper cover (3) is connected with the edges of the horizontal plates at two sides of the T-shaped material (5) after being glued.

6. The novel endoskeleton for a battery module according to claim 1, wherein the T-shaped material (5) is made of an aluminum alloy material and is integrally formed through a die-casting process.

7. The novel endoskeleton for the battery module as claimed in claim 2, wherein a high-voltage insulating cover (4) is sleeved between the aluminum alloy upper cover (3) and the battery core (1).