CN217334234U

CN217334234U - Battery module structure

Info

Publication number: CN217334234U
Application number: CN202221201897.0U
Authority: CN
Inventors: 高顺; 卫云峰; 章凯; 陆广鹏
Original assignee: Wuhu Etc Battery Ltd
Current assignee: Wuhu Etc Battery Ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-08-30
Anticipated expiration: 2032-05-18

Abstract

The utility model discloses a battery module structure, relating to the technical field of battery manufacturing, comprising a plurality of cell groups, module end plates, liquid cooling plates, straps and electric connectors, the electric core group includes several electric core, two the electric core between and all be connected through electric connector between electric core and the module end plate, be equipped with liquid cooling board between per two adjacent electric core groups, several electric core group both sides be equipped with the module end plate and will through the strap electric core group, module end plate, liquid cooling board tie up, the utility model discloses install the position between the higher adjacent electric core group of temperature with the liquid cooling board, improved the radiating efficiency of this position, promoted the life cycle of this device, heat conduction glue or heat conduction sticky tape can play the effect of passing electric core heat to liquid cooling board, also can make between two sets of electric core groups and the liquid cooling board bond as a whole, can make device overall structure intensity reinforcing.

Description

Battery module structure

Technical Field

The utility model relates to a battery manufacturing technology field, concretely relates to battery module structure.

Background

The battery module structure is generally formed by the equipment such as the electric core group that single row, a plurality of electric core series-parallel of multirow become, liquid cooling system, and the liquid cooling system of battery module structure generally designs in electric core group bottom, and during battery module structure charge-discharge, the higher position radiating effect of intermediate temperature is not obvious, can not balance the difference in temperature at module intermediate position and outside position effectively, influences the charge-discharge of battery module structure, influences the life-span.

Therefore, further improvements to the existing ones are needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery module structure to solve the above-mentioned multinomial defect that leads to among the prior art.

The utility model provides a battery module structure, includes several electric core group, module end plate, liquid cooling board, strap, electric connector, the electric core group includes several electricity core, two the electricity core between and all be connected through electric connector between electricity core and the module end plate, be equipped with liquid cooling board between per two adjacent electric core groups, the several electric core group both sides be equipped with the module end plate and will through the strap electric core group, module end plate, liquid cooling board tie up.

Preferably, the module end plates are made of aluminum profiles, die-cast aluminum or plastic.

Preferably, be equipped with one on the module end plate and step down groove and a plurality of spacing notch, module end plate upper end still is equipped with the department mounting hole that link up from top to bottom.

Preferably, one end of the liquid cooling plate is provided with a water inlet, the other end of the liquid cooling plate is provided with a water outlet, the liquid cooling plate is made of aluminum profiles, a cavity of the aluminum profiles forms a flow channel of the liquid cooling plate, and two ends of the flow channel are respectively communicated with the water inlet and the water outlet.

Preferably, the liquid cooling plate and the battery core are bonded by heat-conducting glue or heat-conducting adhesive tape.

Preferably, the electrical connector is stamped from an aluminum plate.

The utility model has the advantages that:

1. the utility model discloses install the position of liquid cooling board between the higher adjacent electric core group of temperature, improved the radiating efficiency of this position, can equalize the temperature difference of this position and other positions for this device can be in normal temperature range charge discharge, has promoted the life cycle of this device.

2. The utility model discloses the liquid cooling board adopts the one end water inlet, the form of other end design delivery port, and coolant liquid circulation rate is fast, and the liquid cooling board radiating effect is good.

3. The heat-conducting glue or the heat-conducting adhesive tape can play a role in transferring the heat of the battery core to the liquid cooling plate, and can also enable the two groups of battery core groups and the liquid cooling plate to be bonded into a whole, so that the overall structural strength of the device can be enhanced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the middle module end plate of the present invention.

Fig. 3 is a schematic structural view of the middle liquid cooling plate of the present invention.

Fig. 4 is a cross-sectional view of the middle liquid cooling plate of the present invention.

The battery pack comprises 0-battery core group, 1-battery core, 2-module end plate, 3-liquid cooling plate, 4-strap, 5-electric connector, 6-flow channel, 7-abdicating groove, 8-limiting notch, 9-mounting hole, 10-water inlet and 11-water outlet.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 to 4, a battery module structure comprises a plurality of electric core sets 0, module end plates 2, liquid cooling plates 3, straps 4 and electric connecting members 5, wherein each electric core set 0 comprises a plurality of electric cores 1, two electric cores 1 and module end plates 2 are connected through the electric connecting members 5, liquid cooling plates 3 and a plurality of liquid cooling plates are arranged between every two adjacent electric core sets 0, and the two sides of each electric core set 0 are provided with the module end plates 2 and are bound through the straps 4, wherein the electric core sets 0, the module end plates 2 and the liquid cooling plates 3 are bound.

In the present embodiment, the module end plates 2 are made of aluminum profile, die-cast aluminum or plastic. Be equipped with one on the module end plate 2 and step down groove 7 and a plurality of spacing notch 8, four mounting holes 9 that link up from top to bottom still are equipped with to module end plate 2 upper end. The receding groove 7 is used for receding the liquid cooling plate 3, and the limiting notch 8 is used for positioning and mounting the belt 4.

The setting of mounting hole 9 does benefit to the installation of this device, and four mounting holes 9 design respectively in the both sides and the intermediate position of module end plate 2.

In this embodiment, 3 one end of liquid cooling board is equipped with water inlet 10, and the other end is equipped with delivery port 11, liquid cooling board 3 adopts the aluminium alloy, and the cavity of aluminium alloy forms runner 6 of

liquid cooling board

3, 6 both ends of runner link up with water inlet 10 and delivery port 11 respectively. The circulating cooling liquid can be sent into the flow channel 6 through the water inlet 10 and then flows out through the water outlet 11. And the liquid cooling plate 3 is bonded with the battery core 1 by adopting heat-conducting glue or a heat-conducting adhesive tape. The heat conducting glue or the heat conducting adhesive tape can play a role in transferring the heat of the battery cell 1 to the liquid cooling plate 3, and can also enable the two groups of battery cell groups 0 and the liquid cooling plate 3 to be bonded into a whole, so that the overall structural strength of the device can be enhanced. The electrical connector 5 is stamped from an aluminum plate.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. The utility model provides a battery module structure, its characterized in that includes several electric core group (0), module end plate (2), liquid cooling board (3), strap (4), electric connector (5), electric core group (0) include several electric core (1), two electric core (1) between and all be connected through electric connector (5) between electric core (1) and module end plate (2), be equipped with liquid cooling board (3) between per two adjacent electric core group (0), the several electric core group (0) both sides be equipped with module end plate (2) and will through strap (4) electric core group (0), module end plate (2), liquid cooling board (3) tie up.

2. The battery module structure according to claim 1, wherein: the module end plate (2) is made of aluminum profiles, die-cast aluminum or plastics.

3. The battery module structure according to claim 2, wherein: be equipped with one groove of stepping down (7) and a plurality of spacing notch (8) on module end plate (2), module end plate (2) upper end still is equipped with four mounting holes (9) that link up from top to bottom.

4. The battery module structure according to claim 1, wherein: liquid cold plate (3) one end is equipped with water inlet (10), and the other end is equipped with delivery port (11), liquid cold plate (3) adopt the aluminium alloy, and the cavity of aluminium alloy forms runner (6) of liquid cold plate (3), runner (6) both ends link up with water inlet (10) and delivery port (11) respectively.

5. The battery module structure according to claim 1, wherein: and the liquid cooling plate (3) is bonded with the battery cell (1) by adopting heat-conducting glue or a heat-conducting adhesive tape.

6. The battery module structure according to claim 1, wherein: the electric connector (5) is made of an aluminum plate through stamping.