CN213109246U

CN213109246U - Battery pack and vehicle with same

Info

Publication number: CN213109246U
Application number: CN202021759098.6U
Authority: CN
Inventors: 丁山; 彭升政; 陈俊梯
Original assignee: Kunshan Ju Innovative Energy Technology Co Ltd
Current assignee: Kunshan Ju Innovative Energy Technology Co Ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-05-04
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses a battery package and vehicle that has it, the battery package includes: a box body; the battery module is arranged in the box body; the cooling device is laid on the inner wall of the box body and positioned below the battery modules, and a supporting pad is clamped between the cooling device and the battery modules; the rear side of the box body is provided with a cooling inlet and a cooling outlet, the cooling device is connected with the cooling inlet through a cooling water inlet pipe, the cooling device is connected with the cooling outlet through a cooling water outlet pipe, and the cooling water inlet pipe and the water outlet pipe are respectively matched with the inner peripheral side wall of the box body. According to the utility model discloses a battery package, through with cooling device's cooling inlet tube and cooling outlet pipe respectively with the interior week lateral wall of box along with the shape for battery package's cooling water pipeline arranges rationally in the box, and space utilization in the box is high, and the structure is compacter, intensive.

Description

Battery pack and vehicle with same

Technical Field

The utility model belongs to the technical field of the vehicle technique and specifically relates to a battery package and vehicle that has it is related to.

Background

The arrangement of the cooling water pipeline of the cooling device in the battery pack in the related art is not reasonable enough, the occupied space in the box body is large, and the structural arrangement is not compact enough.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.

Therefore, the utility model provides a battery pack, battery pack's cooling device's cooling water pipeline arranges rationally in the box, and space utilization in the box is high.

The utility model also provides a vehicle of having above-mentioned battery package.

According to the utility model discloses battery package of first aspect includes: a box body; the battery module is arranged in the box body; the cooling device is laid on the inner wall of the box body and positioned below the battery modules, and a supporting pad is clamped between the cooling device and the battery modules; the rear side of the box body is provided with a cooling inlet and a cooling outlet, the cooling device is connected with the cooling inlet through a cooling water inlet pipe, the cooling device is connected with the cooling outlet through a cooling water outlet pipe, and the cooling water inlet pipe and the water outlet pipe are respectively matched with the inner peripheral side wall of the box body.

According to the utility model discloses a battery package, through with cooling device's cooling inlet tube and cooling outlet pipe respectively with the interior week lateral wall of box along with the shape for battery package's cooling water pipeline arranges rationally in the box, and space utilization in the box is high, and the structure is compacter, intensive.

According to the utility model discloses an embodiment, cooling device includes a plurality of cooling unit, a plurality of cooling unit are in spaced arrangement, every on the fore-and-aft direction of the internal diapire of box be equipped with water inlet branch pipe and water outlet branch pipe on the cooling unit respectively, water inlet branch pipe with the cooling inlet tube is linked together, water outlet branch pipe with the cooling outlet pipe is linked together.

According to an optional example of the present invention, each of the cooling units includes a plurality of unit pipes, and a plurality of the unit pipes are arranged in the front-rear direction at regular intervals and are sequentially connected end to end.

According to another alternative example of the present invention, the interval between the adjacent two unit tubes of each of the cooling units is 34 mm.

According to yet another alternative example of the present invention, the plurality of cooling units are arranged in parallel.

According to yet another alternative example of the present invention, the water inlet branch pipe is disposed perpendicular to the cooling water inlet pipe, and the water outlet branch pipe is disposed perpendicular to the cooling water outlet pipe.

According to yet another optional example of the present invention, the pipe diameter of the water inlet branch pipe and the pipe diameter of the water outlet branch pipe are both 25 mm.

According to another alternative example of the present invention, a plurality of beams are provided on the inner bottom wall of the box body, the plurality of beams are arranged on the inner bottom wall of the box body at regular intervals, and one cooling unit is provided between every two adjacent beams.

According to the utility model discloses a still another embodiment, the pipe diameter of cooling inlet tube with the pipe diameter of cooling outlet pipe is 39 mm.

According to the utility model discloses vehicle of second aspect, including the battery package in the above-mentioned embodiment.

According to the utility model discloses a vehicle, through with cooling device's cooling inlet tube and cooling outlet pipe respectively with the interior week lateral wall of box along with the shape for battery pack's cooling water pipeline is arranged rationally in the box, and space utilization in the box is high, and the structure is compacter, intensive.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a part of the structure inside a battery pack according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a portion of a battery pack according to another view angle of the present invention.

Reference numerals:

the cooling device comprises a battery pack 100, a box body 10, a cooling inlet 11, a cooling outlet 12, a cooling device 20, a cooling unit 21, a water inlet branch pipe 211, a water outlet branch pipe 212, a unit pipe 213, a supporting pad 30, a cooling water inlet pipe 40, a cooling water outlet pipe 50 and a cross beam 60.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

A battery pack 100 according to an embodiment of the first aspect of the present invention is described below with reference to fig. 1 and 2.

As shown in fig. 1, a battery pack 100 according to an embodiment of the present invention includes a case 10, a battery module (not shown), and a cooling device 20. Specifically, the battery module is established in box 10, and cooling device 20 lays on the inner wall of box 10, and cooling device 20 is located the below of battery module for carry out cooling treatment to the battery module, avoid the high temperature of battery module to cause the damage.

Further, a support pad 30 is interposed between the cooling device 20 and the battery module to prevent direct contact between the cooling device 20 and the battery module. A cooling inlet 11 and a cooling outlet 12 are provided at the rear side of the case 10, cooling water can be introduced into the cooling device 20 through the cooling inlet 11, and water having a high temperature after heat exchange in the cooling device 20 can be discharged through the cooling outlet 12. The cooling device 20 is connected with the cooling inlet 11 through the cooling water inlet pipe 40, the cooling device 20 is connected with the cooling outlet 12 through the cooling water outlet pipe 50, the cooling water inlet pipe 40 and the cooling water outlet pipe 50 are respectively conformal with the inner peripheral wall of the box body 10, as shown in fig. 1, the cooling water inlet pipe 40 extends along the inner peripheral wall at the left side of the box body 10, and the cooling water outlet pipe 50 extends along the inner peripheral wall at the right side of the box body 10.

According to the utility model discloses battery package 100, through the cooling inlet tube 40 with cooling device 20 and cooling outlet pipe 50 respectively with the interior wall of box 10 follow shape for battery package 100's cooling device 20's cooling water pipeline is rationally arranged in box 10, and space utilization in the box 10 is high, and the structure is compacter, intensive.

According to the utility model discloses an embodiment, cooling device 20 includes a plurality of cooling unit 21, a plurality of cooling unit 21 are spaced apart on the fore-and-aft direction of diapire in box 10 and are arranged, be equipped with intake branch pipe 211 and outlet branch pipe 212 on every cooling unit 21 respectively, intake branch pipe 211 is linked together with cooling inlet tube 40, can realize cooling inlet tube 40 and cooling unit 21's intercommunication through intake branch pipe 211, outlet branch pipe 212 is linked together with cooling outlet pipe 50, can realize cooling outlet pipe 50 and cooling unit 21's intercommunication through outlet branch pipe 212. For each cooling unit 21, the cooling water in the cooling water inlet pipe 40 may enter the corresponding cooling unit 21 through the water inlet branch pipe 211 and flow out to the cooling water outlet pipe 50 through the corresponding water outlet branch pipe 212. In the description of the present invention, "a plurality" means two or more. As shown in fig. 1, the cooling device 20 includes three cooling units 21.

According to an optional example of the present invention, each cooling unit 21 includes a plurality of unit pipes 213, and the plurality of unit pipes 213 are arranged in the front-rear direction at regular intervals and are sequentially connected end to end. Specifically, a plurality of unit pipes 213 of each cooling unit 21 may be arranged in a serpentine shape, which is advantageous to enlarging a heat dissipation area and improving cooling efficiency of the battery module.

According to another alternative example of the present invention, the interval between two adjacent unit pipes 213 of each cooling unit 21 is 34mm, which can not only ensure the cooling of the battery module, but also avoid the waste of the cooling capacity.

According to yet another alternative example of the present invention, a plurality of cooling units 21 are arranged in parallel.

According to yet another alternative example of the present invention, the water inlet branch pipe 211 is disposed perpendicular to the cooling water inlet pipe 40, and the water outlet branch pipe 212 is disposed perpendicular to the cooling water outlet pipe 50.

According to still another alternative example of the present invention, the pipe diameter of the water inlet branch pipe 211 and the pipe diameter of the water outlet branch pipe 212 are both 25mm to ensure the cooling flow rate of the corresponding cooling unit 21.

According to yet another alternative example of the present invention, a plurality of beams 60 are provided on the inner bottom wall of the box 10, the plurality of beams 60 are arranged on the inner bottom wall of the box 10 at regular intervals, and one cooling unit 21 is provided between every two adjacent beams 60. It will be understood that a row of battery modules is provided between two adjacent cross members 60 so that the cooling unit 21 on the bottom wall of the case 10 just cools the row of battery modules.

According to the utility model discloses a still another embodiment, the pipe diameter of cooling inlet tube 40 and the pipe diameter of cooling outlet pipe 50 are 39mm for guarantee a plurality of cooling unit 21's cooling flow

According to the second aspect of the present invention, the vehicle includes the battery pack 100 in the above embodiment.

According to the utility model discloses a vehicle, through cooling inlet tube 40 with cooling device 20 and cooling outlet pipe 50 respectively with the interior week lateral wall of box 10 along with the shape for battery package 100's cooling device 20's cooling water pipeline arranges rationally in box 10, and space utilization in the box 10 is high, and the structure is compacter, intensive.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A battery pack, comprising:

a box body;

the battery module is arranged in the box body;

the cooling device is laid on the inner wall of the box body and positioned below the battery modules, and a supporting pad is clamped between the cooling device and the battery modules;

the rear side of the box body is provided with a cooling inlet and a cooling outlet, the cooling device is connected with the cooling inlet through a cooling water inlet pipe, the cooling device is connected with the cooling outlet through a cooling water outlet pipe, and the cooling water inlet pipe and the water outlet pipe are respectively matched with the inner peripheral side wall of the box body.

2. The battery pack according to claim 1, wherein the cooling device comprises a plurality of cooling units, the cooling units are arranged at intervals in the front-rear direction of the inner bottom wall of the box body, each cooling unit is provided with a water inlet branch pipe and a water outlet branch pipe, the water inlet branch pipe is communicated with the cooling water inlet pipe, and the water outlet branch pipe is communicated with the cooling water outlet pipe.

3. The battery pack according to claim 2, wherein each of the cooling units includes a plurality of unit tubes that are arranged at regular intervals in the front-rear direction and are sequentially connected end to end.

4. The battery pack according to claim 3, wherein the interval between the adjacent two unit tubes of each cooling unit is 34 mm.

5. The battery pack according to claim 2, wherein the plurality of cooling units are arranged in parallel.

6. The battery pack of claim 2, wherein the water inlet branch pipe is disposed perpendicular to the cooling water inlet pipe, and the water outlet branch pipe is disposed perpendicular to the cooling water outlet pipe.

7. The battery pack according to claim 2, wherein the pipe diameter of the water inlet branch pipe and the pipe diameter of the water outlet branch pipe are both 25 mm.

8. The battery pack according to claim 2, wherein a plurality of cross members are provided on the inner bottom wall of the case, the plurality of cross members being arranged at regular intervals on the inner bottom wall of the case, one cooling unit being provided between each adjacent two of the cross members.

9. The battery pack according to claim 1, wherein the pipe diameter of the cooling water inlet pipe and the pipe diameter of the cooling water outlet pipe are both 39 mm.

10. A vehicle characterized by comprising a battery pack according to any one of claims 1-9.