CN210744108U

CN210744108U - Battery module

Info

Publication number: CN210744108U
Application number: CN201921994962.8U
Authority: CN
Inventors: 王武林
Original assignee: Shanghai Eautopower New Energy Technology Co ltd
Current assignee: Shanghai Eautopower New Energy Technology Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-06-12
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a battery module contains: the battery cell module comprises a plurality of battery cells which are connected in series and arranged side by side and a plurality of heat conduction layers arranged between the adjacent battery cells; the battery cell module comprises a side plate module and a battery cell module, wherein the side plate module comprises a pair of first side plates and a pair of second side plates which are arranged on the periphery of the battery cell module, and the first side plates and the second side plates are adjacent to each other in pairs; the bracket is arranged above the battery cell module; the battery cell serial connection pieces are arranged on the bracket and connect the first electrode posts of the adjacent battery cells; each battery cell output part is arranged on the other side of the battery cell serial part on the support and is used for connecting second electrode columns of adjacent battery cells; and the upper cover covers the bracket and the side plate module. The utility model has stable structure and high strength, and can ensure the temperature balance between the electric cores and prolong the service life of the battery; meanwhile, sufficient space is provided for data acquisition of the battery management system.

Description

Battery module

Technical Field

The utility model relates to an electric automobile energy storage battery uses, in particular to battery module.

Background

With the advocation of the society on green travel and the concept of environmental protection, electric power is widely used as clean energy, and particularly, the electric vehicle is applied most and continuously extends to the subdivided fields of industrial energy storage, household energy storage and the like. The structure of the battery pack is formed by connecting a plurality of battery cells in series and parallel, conducting connection is carried out through an aluminum bar or a copper bar, then a gap is reserved between the battery cells for ventilation, and finally the battery pack is assembled through a structural member to form a module. The disadvantages are as follows: wind channel, windage, wind speed all influence the radiating effect of electric core, and it is unanimous that the samming is hardly accomplished to the in-service use, causes the life-span of partial electric core to terminate in advance, and other electric cores will overcharge overdischarge, and the hidden danger is very big.

With the higher and higher requirements of various industries on the service life of the battery, the design of the product has stricter tests, and the safety and the service life are standards for measuring the battery in the future. Meanwhile, with the increase of consumption level, the requirement on the service life of the battery is continuously improved, and the service life of the battery taken by the user is expected to be the same as that of a matched product.

Disclosure of Invention

According to the embodiment of the utility model provides a battery module is provided, contains:

the battery cell module comprises a plurality of battery cells which are connected in series and arranged side by side and a plurality of heat conduction layers arranged between the adjacent battery cells;

the battery cell module comprises a side plate module and a battery cell module, wherein the side plate module comprises a pair of first side plates and a pair of second side plates which are arranged on the periphery of the battery cell module, and the first side plates and the second side plates are adjacent to each other in pairs;

the bracket is arranged above the battery cell module;

the battery cell serial connection pieces are arranged on the bracket and connect the first electrode posts of the adjacent battery cells;

each battery cell output part is arranged on the other side of the battery cell serial part on the support and is used for connecting second electrode columns of adjacent battery cells;

and the upper cover covers the bracket and the side plate module.

Further, still include the insulating layer, the insulating layer sets up respectively between a pair of second curb plate and electric core module.

Further, the second side plate comprises a main surface, a pair of connecting surfaces and a bottom surface; the pair of connecting surfaces are respectively arranged on two sides of the main surface and respectively cover the pair of first side plates; the bottom surface is arranged between the pair of connecting surfaces and is perpendicular to the main surface, and the bottom surface is attached to the lower surface of the electric core module.

Further, the second side plate further includes a reinforcing rib that connects the main surface and the connection surface.

Further, the stent comprises:

the series mounting position is arranged on one side of the bracket and used for mounting the battery cell series connection piece;

the output mounting position is arranged on the other side, opposite to the series mounting position, of the support and is used for mounting the battery cell output part;

and the wiring groove is used for arranging an acquisition line which is connected with an external battery management system and used for acquiring voltage and temperature signals.

Further, a handle is arranged on the first side plate.

According to the battery module provided by the embodiment of the utility model, the structure is stable, the strength is high, the temperature balance between the battery cores can be ensured, and the service life of the battery is prolonged; meanwhile, sufficient space is provided for data acquisition of the battery management system.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the claimed technology.

Drawings

Fig. 1 is a schematic structural view of a battery module according to an embodiment of the present invention;

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

FIG. 3 is a schematic structural view of the stent of FIG. 2;

fig. 4 is a schematic structural view of the second side plate in fig. 2.

Detailed Description

The present invention will be further described with reference to the following detailed description of preferred embodiments thereof, which is to be read in connection with the accompanying drawings.

First, will combine fig. 1~4 to describe the battery module according to the utility model discloses an embodiment for the battery module of electric motor car, it is very wide to use the scene.

As shown in fig. 1-2, the utility model discloses battery module of embodiment has electric core module 1, curb plate module, support 3, a plurality of electric core series connection 4, a plurality of electric core output 5 and upper cover 6. The battery cell module 1 comprises a plurality of battery cells 11 which are connected in series and arranged side by side and a plurality of heat conduction layers (not shown in the figure) arranged between the adjacent battery cells, so that the temperature balance among the battery cells 11 is realized, the consistency of the battery module can be effectively improved, the strength of the battery cell module 1 is also ensured, and the service life and the safety performance of the battery module are prolonged; the side plate module comprises a pair of first side plates 21 and a pair of second side plates 22 which are arranged on the periphery of the battery cell module 1, and the first side plates 21 and the second side plates 22 are adjacent to each other in pairs; the bracket 3 is arranged above the battery cell module 1; each cell series connection piece 4 is arranged on the support 3 and connects the first electrode columns of the adjacent cells 11; each cell output part 5 is arranged on the other side of the cell serial part 4 on the support 3 and connects second electrode columns of the adjacent cells 11; the upper cover 6 covers the bracket 3 and the side plate module. In this embodiment, the battery module further has an insulating layer 7 respectively disposed between the pair of second side plates 22 and the cell module 1.

Specifically, as shown in fig. 1, 2 and 4, the second side plate 22 includes a main surface 221, a pair of connection surfaces 222, and a bottom surface 223; the pair of connection surfaces 222 are respectively disposed on both sides of the main surface 221, and the pair of connection surfaces 222 are respectively covered on the pair of first side plates 21; the bottom surface 223 is provided between the pair of connection surfaces 222 and is perpendicular to the main surface 221, and the bottom surface 223 is bonded to the lower surface of the core module 1.

Further, in this embodiment, as shown in fig. 1, 2, and 4, the second side plate 22 further includes a reinforcing rib 224, and the reinforcing rib 224 connects the main surface 221 and the connection surface 222, so that the wrapping force of the connection surface 222 on the first side plate 21 can be increased, the battery cells 11 are tightly clamped together, and the overall strength of the battery module is realized.

Specifically, as shown in fig. 1, 2 and 3, the bracket 3 has a serial mounting location 31, an output mounting location 32 and a cabling channel 33. The series installation position 31 is arranged on one side of the bracket and used for installing the battery cell series piece 4; the output mounting position 32 is arranged on the other side, opposite to the series mounting position 31, of the bracket 3 and is used for mounting the battery cell output part 5; the wiring duct 33 is used for setting a collection line for collecting voltage and temperature signals, which is connected to an external battery management system. In this embodiment, the cell serial connection member 4 and the cell output member 5 are made of aluminum, so that the battery has a light weight and good conductivity.

Specifically, as shown in fig. 1 and 2, the first side plate 21 is provided with a handle 211, so that the carrying function of the battery module can be realized.

During installation, place the heat conduction material in the middle of electric core 11 and electric core 11, install the first curb plate 21 of electric core 11 both sides, let first curb plate 21 and the accurate laminating of electric core 11, install insulating layer 7 in the inboard of second curb plate 22, install second curb plate 22 in the other both sides of electric core 11, let the main face 221 and the accurate laminating of electric core 11 side of second curb plate 22, and let bottom surface 223 and the laminating of electric core 11 bottom, let connect face 222 and the accurate laminating of first curb plate 21, loop through the screw fixation again. Afterwards, the support 3 is installed, the cell serial piece 4 is placed at the serial installation position 31, it is ensured to be in contact with the first electrode column of the cell 11, then the cell output piece 5 is installed, the cell output piece 5 is placed at the output installation position 32, it is ensured to be in contact with the second electrode column of the cell 11, then voltage and temperature collection lines are arranged in a wiring groove 33 in the support 3, finally the voltage and temperature collection lines are output to the outside through a wiring harness output port to be connected with a battery management system, the temperature and voltage data collection function is realized, then the upper cover 6 is installed above the support 3, and finally the upper cover 7 is fixed, as shown in fig. 1, and the assembly of the battery module is completed.

In the above, referring to fig. …, the battery module according to the embodiment of the present invention has a stable structure and high strength, and can ensure the temperature balance between the battery cells and improve the service life of the battery; meanwhile, sufficient space is provided for data acquisition of the battery management system.

It should be noted that, in the present specification, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

While the present invention has been described in detail with reference to the preferred embodiments thereof, it should be understood that the above description should not be taken as limiting the present invention. Numerous modifications and alterations to the present invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be limited only by the attached claims.

Claims

1. A battery module, comprising:

the bracket is arranged above the battery cell module;

and the upper cover covers the bracket and the side plate module.

2. The battery module of claim 1, further comprising insulating layers respectively disposed between the pair of second side plates and the cell modules.

3. The battery module according to claim 1 or 2, wherein the second side plate comprises a main surface, a pair of connection surfaces, a bottom surface; the pair of connecting surfaces are respectively arranged on two sides of the main surface and respectively cover the pair of first side plates; the bottom surface is arranged between the pair of connecting surfaces and is perpendicular to the main surface, and the bottom surface is attached to the lower surface of the electric core module.

4. The battery module according to claim 3, wherein the second side plate further comprises reinforcing ribs connecting the main face and the connection face.

5. The battery module of claim 1, wherein the bracket comprises:

6. The battery module of claim 1, wherein the first side plate is provided with a pull handle.