CN211980692U - Battery module for vehicle and vehicle - Google Patents

Abstract

The utility model discloses a battery module and vehicle for vehicle, battery module includes: the shell is internally provided with an accommodating space; the baffle is arranged in the accommodating space so as to divide the accommodating space into a plurality of chambers for accommodating the pole group, and a first cooling flow channel is arranged on the baffle. Therefore, on one hand, the pole group can be cooled through the baffle plate, and the baffle plate can cool the pole group on two sides of the pole group, so that the cooling effect can be improved, the working stability of the battery module can be improved, and the service life of the battery module can be prolonged; on the other hand, a plurality of utmost point groups all directly set up in the casing, and need not to set up parts such as liquid cold drawing, can simplify the structure of battery module to improve the space of battery module and constitute, can arrange more utmost point groups in making the battery module, thereby improve the energy density of battery module, and reduce the weight and the cost of battery module.

Description

Battery module for vehicle and vehicle

technical field

The utility model relates to the technical field of vehicles, in particular to a battery module for vehicles and a vehicle.

Background technique

In the related art, since the battery module generates heat during operation, it will have a negative impact on the life of the battery module and the safety of use, so the battery module needs to be heat-dissipated. When the battery module is dissipated by a liquid cooling method, a liquid cooling plate needs to be arranged on the peripheral side of the battery module, and the battery module is cooled by the flow of the cooling liquid in the liquid cooling plate.

However, although the liquid cooling plate can be used to cool the battery module, the cooling efficiency is low, and the liquid cooling plate is bulky and heavy, which reduces the energy density of the battery module.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, one object of the present invention is to provide a battery module for a vehicle, the battery module has a high energy density and a good cooling effect.

The utility model further provides a vehicle, which adopts the above-mentioned battery module.

A battery module for a vehicle according to an embodiment of the first aspect of the present invention includes: a casing, in which a accommodating space is provided; The accommodating space is divided into a plurality of chambers for accommodating the pole groups, and the baffle plate is provided with a first cooling flow channel.

According to the battery module according to the embodiment of the present invention, by disposing the first cooling channel on the baffle plate, a plurality of pole groups can be inserted into the cavity defined by the baffle plate correspondingly; Cooling, and the baffle plate can cool the pole group on both sides of the pole group, which can improve the cooling effect to improve the working stability and service life of the battery module; on the other hand, multiple pole groups are directly arranged in the casing. , and there is no need to set up liquid cooling plates and other components, which can simplify the structure of the battery module and improve the space composition of the battery module, so that more pole groups can be arranged in the battery module, thereby improving the energy density of the battery module, and Reduce the weight and cost of battery modules.

According to some embodiments of the present invention, the baffles are configured in multiples, and each of the baffles is provided with the first cooling flow channel.

In some embodiments, a plurality of the first cooling channels are sequentially connected in series.

Further, the two adjacent first cooling flow passages are connected by connecting pipelines, and at least part of the connecting pipelines is arranged on the outer side of the casing.

In some embodiments, the plurality of first cooling channels are connected in parallel, the water inlet ends of the plurality of first cooling channels are connected to the water inlet pipe, and the water outlet ends of the plurality of first cooling channels are connected to the outlet Water pipes are connected.

In some embodiments, the housing includes: a first side plate and a second side plate facing each other, the baffle plate is sandwiched between the first side plate and the second side plate, so The first side plate and the second side plate are respectively provided with a first opening and a second opening which communicate with the first cooling channel.

According to some embodiments of the present invention, each of the baffles is provided with a plurality of the first cooling channels spaced in the up-down direction.

In some embodiments, the housing includes: a top plate and a bottom plate facing each other, and a second cooling channel is provided on the top plate or/and the bottom plate.

Further, the second cooling flow channel is directly opposite to the baffle plate or/and the cavity in the up-down direction.

A vehicle according to an embodiment of the second aspect of the present invention includes: the battery module for a vehicle described in the above embodiments.

Additional aspects and advantages of the invention will be set forth, in part, from the following description, and in part will be apparent from the following description, or learned by practice of the invention.

Description of drawings

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

1 is a schematic diagram of a battery module according to an embodiment of the present invention;

2 is another schematic diagram of a battery module according to an embodiment of the present invention;

3 is another schematic diagram of a battery module according to an embodiment of the present invention.

Reference number:

battery module 100,

The casing 10 , the first side plate 11 , the second side plate 12 , the bottom plate 13 , the baffle plate 20 , the connecting pipeline 30 , the water inlet pipe 40 , and the water outlet pipe 50 .

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, but should not be construed as a limitation of the present invention.

The following describes a battery module 100 for a vehicle and a vehicle according to an embodiment of the present invention with reference to FIGS. 1 to 3 .

As shown in FIG. 1 , a battery module 100 for a vehicle according to an embodiment of the first aspect of the present utility model includes: a casing 10 and a baffle 20 , and an accommodation space is provided in the casing 10 ; the baffle 20 is arranged in the accommodation In the space, the accommodating space is divided into a plurality of chambers for accommodating the pole groups, and the baffle plate 20 is provided with a first cooling channel.

Specifically, the casing 10 and the baffle 20 are integrally formed extrusion parts, the baffle 20 is extruded with a first cooling flow channel, and the accommodating space is divided into a plurality of chambers by the baffle 20, each of which is Each of the chambers may be provided with a pole group, and then the first cooling flow channel formed on the baffle plate 20 can dissipate heat from the pole group located in the chamber.

According to the battery module 100 according to the embodiment of the present invention, by arranging the first cooling channel on the baffle 20, a plurality of pole groups can be correspondingly inserted into the cavity defined by the baffle 20. 20 cools the pole group, and the baffle 20 can cool the pole group on both sides of the pole group, which can improve the cooling effect to improve the working stability and service life of the battery module 100; All of them are directly installed in the casing 10, and there is no need to arrange components such as liquid cooling plates, which can simplify the structure of the battery module 100 and improve the space composition of the battery module 100, so that more pole groups can be arranged in the battery module 100. , thereby increasing the energy density of the battery module 100 and reducing the weight and cost of the battery module 100 .

As shown in FIG. 1 , according to some embodiments of the present invention, a plurality of baffles 20 are configured, and each baffle 20 is provided with a first cooling channel. Therefore, each pole group can be cooled by the first cooling channels on the two baffles 20 on both sides of the pole group, so that the pole group can be cooled more fully, the cooling effect can be improved, and the overheating of the pole group can be avoided. The working stability of the battery module 100 is improved.

As shown in FIG. 2 , a plurality of first cooling flow channels are sequentially connected in series. In this way, the plurality of first cooling flow channels can provide cooling liquid through one cooling liquid inlet, and the cooling liquid in the plurality of first cooling flow channels can be discharged through one cooling liquid outlet, so that the structure of the battery module 100 is simpler. The cooling liquid supply of the first cooling flow channel is simpler and more convenient.

In the specific embodiment shown in FIG. 2 , two adjacent first cooling flow passages are connected by connecting pipelines 30 , and at least part of the connecting pipelines 30 is provided outside the casing 10 .

Wherein, the connecting pipe 30 is configured in a U shape, and the two connecting ports of the open end of the connecting pipe 30 are respectively connected with the cooling liquid outflow outlet and the cooling liquid inlet port of the two adjacent first cooling flow passages, so as to pass through the connecting pipe The channel 30 transfers the cooling liquid flowing out of one first cooling channel to another first cooling channel adjacent to it, so as to realize the series connection of a plurality of first cooling channels, and at least part of the connecting pipeline 30 is located in the first cooling channel. Outside the casing 10 , the assembly of the connecting pipes 30 is simpler and more convenient, and the connecting pipes 30 are prevented from occupying too much space inside the casing 10 , so as to improve the space utilization rate of the battery module 100 .

As shown in FIG. 3 , in some other embodiments, the plurality of first cooling channels are connected in parallel, the water inlet ends of the plurality of first cooling channels are connected to the water inlet pipe 40 , and the water outlet ends of the plurality of first cooling channels are connected to the water inlet pipe 40 . Connected to the outlet pipe 50. In this way, the plurality of first cooling flow passages are formed as a plurality of cooling flow passages arranged in parallel, and the cooling liquid in each cooling flow passage does not interfere with each other, which can improve the circulation efficiency of the cooling liquid and improve the heat dissipation effect.

As shown in FIG. 1 , the housing 10 includes: a first side plate 11 and a second side plate 12 facing each other, the baffle 20 is sandwiched between the first side plate 11 and the second side plate 12 , the first side plate 11 and the second side plate 12 The plate 11 and the second side plate 12 are respectively provided with a first opening and a second opening communicating with the first cooling channel.

In this way, the two connecting ports of the open end of the transition pipe respectively extend into the adjacent first opening or the adjacent second opening, so as to realize the communication between the two adjacent first cooling channels, so that the connecting pipe 30 The assembly on the casing 10 is simpler and more convenient, and at the same time, the structure of the casing 10 is more reasonable, so that the first cooling channel on the integrally formed baffle 20 and the first opening and the second opening on the casing 10 Extrusion molding is simpler and more convenient.

As shown in FIG. 1 , each baffle plate 20 is provided with a plurality of first cooling channels spaced apart in the up-down direction. Therefore, the heat exchange uniformity of the baffle 20 is higher, and the cooling uniformity of the counter electrode group is better, so that the electrode group can be effectively cooled, and the working stability of the battery module 100 is improved.

As shown in FIG. 1 , the housing 10 includes: a top plate and a bottom plate 13 facing each other, and a second cooling channel is provided on the top plate or/and the bottom plate 13 . In this way, at least two sides of the pole assembly, the top surface attached to the top plate and the bottom surface attached to the bottom plate 13 can be cooled, which can further improve the cooling effect of the casing 10 and the baffle 20 on the pole assembly.

It should be noted that the fact that the second cooling channel is arranged on the top plate or/and the bottom plate 13 means that, in some embodiments, the second cooling channel is arranged on the top plate; in other embodiments, the bottom plate 13 is arranged with a second cooling channel. The second cooling channel; in a preferred embodiment, both the top plate and the bottom plate 13 are provided with a second cooling channel.

Of course, the structure of the battery module 100 of the present invention is not limited to this. Optionally, the top plate, the bottom plate 13 and the side plate or baffle plate formed with the first cooling channel can be provided with a second cooling channel. When the second cooling flow channels are arranged on the side plate with the first cooling flow channels, the second cooling flow channels surround the plurality of first cooling flow channels.

Further, the second cooling flow channel is directly opposite to the baffle 20 or/and the chamber in the up-down direction. Therefore, heat exchange with the baffle plate 20 can be performed through the second cooling channel, or heat exchange can be performed with the electrode group located in the chamber through the second cooling channel, so as to reduce the temperature inside the battery module 100 .

The vehicle according to the embodiment of the second aspect of the present invention includes: the battery module 100 for the vehicle in the above-mentioned embodiments.

The vehicle according to the embodiment of the present invention adopts the above-mentioned battery module 100, which has the same technical effect as the above-mentioned battery module 100, and will not be repeated here.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial" ", "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated A device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the description of the present invention, "first feature" and "second feature" may include one or more of the features.

In the description of the present invention, "plurality" means two or more.

In the description of the present invention, a first feature being "above" or "under" a second feature may include that the first and second features are in direct contact, or that the first and second features are not in direct contact but through Additional feature contacts between them.

In the description of the present invention, the first feature "above", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is at a high level on the second feature.

In the description of this specification, reference to the terms "one embodiment," "some embodiments," "exemplary embodiment," "example," "specific example," or "some examples," or the like, is meant to incorporate the embodiment. A particular feature, structure, material, or characteristic described by an example or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms 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.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention. Variations, the scope of the present invention is defined by the claims and their equivalents.

Claims (10)

1. A battery module (100) for a vehicle, characterized by comprising:

the device comprises a shell (10), wherein an accommodating space is arranged in the shell (10);

the baffle (20), baffle (20) set up in order to split into a plurality of chambeies that are used for holding the utmost point group with accommodation space in the accommodation space, be provided with first cooling channel on the baffle (20).

2. The battery module (100) for the vehicle according to claim 1, wherein the baffle plate (20) is configured in plurality, and the first cooling flow passage is provided on each of the baffle plates (20).

3. The battery module (100) for the vehicle according to claim 2, wherein a plurality of the first cooling flow channels are connected in series in sequence.

4. The battery module (100) for the vehicle according to claim 3, wherein adjacent two of the first cooling flow passages are connected by a connecting duct (30), at least a part of the connecting duct (30) being disposed outside the case (10).

5. The battery module (100) for the vehicle according to claim 2, wherein a plurality of the first cooling flow passages are connected in parallel, water inlet ends of the plurality of the first cooling flow passages are connected to a water inlet pipe (40), and water outlet ends of the plurality of the first cooling flow passages are connected to a water outlet pipe (50).

6. The battery module (100) for the vehicle according to claim 2, wherein the case (10) includes: the cooling structure comprises a first side plate (11) and a second side plate (12) which are opposite to each other, wherein a baffle (20) is clamped between the first side plate (11) and the second side plate (12), and a first opening and a second opening which are communicated with a first cooling flow channel are respectively formed in the first side plate (11) and the second side plate (12).

7. The battery module (100) for the vehicle according to claim 1, wherein each of the baffles (20) is provided with a plurality of the first cooling flow channels arranged at intervals in an up-down direction.

8. The battery module (100) for the vehicle according to claim 1, wherein the case (10) includes: the cooling device comprises a top plate and a bottom plate (13) which are opposite to each other, wherein a second cooling flow channel is arranged on the top plate or/and the bottom plate (13).

9. The battery module (100) for the vehicle according to claim 8, wherein the second cooling flow passage is directly opposed to the baffle plate (20) or/and the chamber in an up-down direction.

10. A vehicle, characterized by comprising: the battery module (100) for a vehicle according to any one of claims 1 to 9.

Images