CN218299920U

CN218299920U - Battery integrated device and electric vehicle

Info

Publication number: CN218299920U
Application number: CN202221974054.4U
Authority: CN
Inventors: 曾勇; 阮祖云; 李德壮; 黄红光; 华超; 曾维权
Original assignee: GAC Aion New Energy Automobile Co Ltd
Current assignee: GAC Aion New Energy Automobile Co Ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2023-01-13
Anticipated expiration: 2032-07-27

Abstract

The embodiment of the application provides a battery integrated device and an electric vehicle, and relates to the technical field of batteries. The battery integration device comprises a vehicle body mechanism, a cooling water pipeline mechanism, a plurality of cooling plates and a plurality of battery modules; the vehicle body mechanism is provided with a battery pack box body; the plurality of battery modules are installed respectively in the battery pack box body, a plurality of cooling plates with a plurality of battery module one-to-one installation, cooling water pipeline mechanism sets up between a plurality of battery modules, just the cooling plate with cooling water pipeline mechanism intercommunication. The battery integration device can achieve the technical effects of reducing the manufacturing cost and improving the space utilization rate and the energy density of the battery.

Description

Battery integrated device and electric vehicle

Technical Field

The application relates to the technical field of batteries, in particular to a battery integration device and an electric vehicle.

Background

At present, a new energy automobile refers to an automobile which adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, and has advanced technical principle, new technology and new structure. One of the new energy vehicles adopts a power battery, and the key of the new energy vehicle power is the electric quantity of the power battery. The space of the battery pack can be precious in earth, and battery manufacturers and host manufacturers strive to assemble batteries with more electric quantity in limited space.

In the prior art, the battery pack and the vehicle body are mutually independent, and the battery module and the water cooling plate are mutually independent, so that the manufacturing cost is high, the maintenance is inconvenient, the space utilization rate is low, and the energy density of the battery is low.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a battery integrated device and an electric vehicle, which can achieve the technical effects of reducing the manufacturing cost and improving the space utilization rate and the energy density of a battery.

In a first aspect, an embodiment of the present application provides a battery integration device, which includes a vehicle body mechanism, a cooling water pipeline mechanism, a plurality of cooling plates, and a plurality of battery modules;

the vehicle body mechanism is provided with a battery pack box body;

the plurality of battery modules are installed respectively in the battery pack box body, a plurality of cooling plates with a plurality of battery module one-to-one installation, cooling water pipeline mechanism sets up between a plurality of battery modules, just the cooling plate with cooling water pipeline mechanism intercommunication.

In the implementation process, the battery integration device is provided with the battery pack box body on the vehicle body mechanism, and the cooling water pipeline mechanism, the plurality of cooling plates and the plurality of battery modules are all arranged in the battery pack box body, so that the high integration of the battery and the vehicle body is realized; and then integrate battery module and cooling plate, improve and pack efficiency, realize improving space utilization, promote energy density, reduce manufacturing cost's technological effect.

Further, the device further comprises a BMS mechanism, wherein the BMS mechanism is arranged on the battery pack box body and is electrically connected with the battery module.

Further, the device still includes BDU mechanism, BDU mechanism installs the battery package box, BDU mechanism respectively with BMS mechanism, the battery module electricity is connected.

Further, the cooling plate comprises a water inlet which is connected with the first passage of the cooling water conduit mechanism.

Further, the cooling plate further comprises a water outlet, and the water outlet is connected with the second passage of the cooling water pipeline mechanism.

Further, the first and second passages are arranged side by side.

Further, the cooling plate is provided with a module mounting mechanism, and the cooling plate is matched with the battery module through the module mounting mechanism.

Furthermore, the device also comprises a bottom guard plate, and the bottom guard plate is fixedly installed with the battery pack box body.

Further, the surface of the floor panel is parallel to the surface of the vehicle body mechanism.

In a second aspect, an embodiment of the present application provides an electric vehicle, which includes the battery integration apparatus described in any one of the first aspects.

Additional features and advantages of the disclosure will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the above-described techniques.

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of a vehicle body mechanism provided in an embodiment of the present application;

fig. 2 is a schematic structural diagram of a battery integrated device according to an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of another battery integrated device according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of a cooling plate according to an embodiment of the present disclosure;

FIG. 5 is a schematic structural diagram of a cooling water pipeline mechanism provided in an embodiment of the present application;

FIG. 6 is a schematic mechanism diagram of a bottom guard provided in an embodiment of the present application;

fig. 7 is an assembly schematic view of a floor panel and a vehicle body mechanism provided in an embodiment of the present application.

An icon: a vehicle body mechanism 100; a battery pack case 110; a cooling water pipeline mechanism 200; a cooling plate 300; a battery module 400; a BMS authority 500; a BDU mechanism 600; bottom guard plate 700.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The components of the embodiments of the present application, as generally described and illustrated in the figures herein, could be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or a point connection; either directly or indirectly through intervening media, or may be an internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific nature and configuration may be the same or different), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.

The embodiment of the application provides a battery integration device and an electric vehicle, which can be applied to assembly of a ground vehicle body and a battery module of the electric vehicle; according to the battery integration device, the battery pack box body is arranged on the vehicle body mechanism, and the cooling water pipeline mechanism, the plurality of cooling plates and the plurality of battery modules are all arranged in the battery pack box body, so that the high integration of the battery and the vehicle body is realized; and then integrate battery module and cooling plate, improve and pack efficiency, realize improving space utilization, promote energy density, reduce manufacturing cost's technological effect.

Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a vehicle body mechanism provided in an embodiment of the present application, fig. 2 is a schematic structural diagram of a battery integration apparatus provided in the embodiment of the present application, and fig. 3 is a schematic structural diagram of another battery integration apparatus provided in the embodiment of the present application; the battery integrated apparatus includes a vehicle body mechanism 100, a cooling water pipe mechanism 200, a plurality of cooling plates 300, and a plurality of battery modules 400.

Illustratively, the vehicle body mechanism 100 is provided with a battery pack case 110; the plurality of battery modules 400 are respectively mounted in the pack case 110, the plurality of cooling plates 300 and the plurality of battery modules 400 are mounted in one-to-one correspondence, the cooling water pipe mechanism 200 is provided between the plurality of battery modules 400, and the cooling plates 300 are communicated with the cooling water pipe mechanism 200.

Illustratively, the battery integration apparatus realizes high integration of the battery and the vehicle body by providing the battery pack case 110 in the vehicle body mechanism 100, and installing the cooling water pipe mechanism 200, the plurality of cooling plates 300, and the plurality of battery modules 400 in the battery pack case; and then integrate battery module 400 with cooling plate 300, improve the efficiency of uniting, realize improving space utilization, promote energy density, reduce manufacturing cost's technological effect.

Illustratively, the battery integrated device further includes a BMS mechanism 500, the BMS mechanism 500 being mounted at the battery pack case 110, the BMS mechanism 500 being electrically connected to the battery module.

For example, a Battery Management System (BMS), commonly referred to as a Battery caregiver or Battery manager, is mainly used to intelligently manage and maintain each Battery cell, prevent overcharge and overdischarge of the Battery, prolong the service life of the Battery, and monitor the state of the Battery. BMS battery management system unit includes BMS battery management system, control module group, display module group, wireless communication module group, electrical equipment, is used for the group battery of electrical equipment power supply and is used for gathering the collection module of the battery information of group battery, BMS battery management system passes through communication interface and is connected with wireless communication module group and display module group respectively, the output of gathering the module is connected with BMS battery management system's input, BMS battery management system's output is connected with the input of control module group, the control module group is connected with group battery and electrical equipment respectively, BMS battery management system passes through wireless communication module and is connected with the Server end.

Illustratively, the battery integrated device further comprises a BDU mechanism 600, the BDU mechanism 600 is mounted on the battery pack case 110, and the BDU mechanism 600 is electrically connected with the BMS mechanism 500 and the battery module 400 respectively.

For example, a Battery energy Distribution Unit (BDU), also called a Battery disconnection Unit (Battery disconnection Unit), is an important accessory in a high-voltage circuit of a new energy vehicle, and is originally derived from a Power Distribution Unit (PDU) of an electric Power system. The BDU mechanism is directly connected with the power battery through the high-voltage plug-in unit, controls the charging and discharging processes of the electric automobile, and is a vital component in a high-voltage loop. Through the development of the electric automobile industry, the electric automobile has the characteristics of small volume, multiple loops, high assembly precision, excellent insulating property, good anti-vibration effect, capability of bearing larger load and the like.

Referring to fig. 4 and 5, fig. 4 is a schematic structural diagram of a cooling plate according to an embodiment of the present application, and fig. 5 is a schematic structural diagram of a cooling water pipeline mechanism according to an embodiment of the present application.

Illustratively, the cooling plate 300 includes a water inlet 310, and the water inlet 310 is connected with the first passage of the cooling water pipeline mechanism 200.

Illustratively, the cooling plate 300 further includes a water outlet 320, and the water outlet 320 is connected to the second passage of the cooling water pipeline mechanism 200.

Illustratively, the first and second passageways are disposed side-by-side.

Illustratively, the cooling plate 300 is provided with a module mounting mechanism 330, and the cooling plate 300 is fittingly mounted with the battery module 400 by the module mounting mechanism 330.

Referring to fig. 6 and 7, fig. 6 is a schematic mechanism diagram of a floor panel according to an embodiment of the present application, and fig. 7 is an assembly schematic diagram of a floor panel and a vehicle body mechanism according to an embodiment of the present application.

Illustratively, the battery integrated device further comprises a bottom guard plate 700, and the bottom guard plate 700 is fixedly mounted with the battery pack case 110.

Illustratively, the surface of the floor panel 700 is parallel to the surface of the body structure 100.

Exemplarily, the embodiment of the present application provides an electric vehicle including a battery integration apparatus shown in fig. 1 to 7.

For example, in the battery integration device provided in the embodiment of the present application, the battery pack case 110 is highly integrated with the vehicle body mechanism 100, and the assembly sequence is as follows: assembly of BDU mechanism 600, BMS mechanism 500, battery module 400; assembling the cooling water pipeline mechanism 200; assembly of the bottom guard 700. The battery module 400 is integrated with the cooling plate 300, so that the grouping efficiency can be improved, the space utilization rate can be improved, the energy density can be improved, and the cost can be reduced; the cooling water pipeline mechanism 200 is integrated, so that the switching between pipelines is reduced, and the assembly efficiency can be improved.

In all embodiments of the present application, the terms "large" and "small" are relative terms, and the terms "more" and "less" are relative terms, and the terms "upper" and "lower" are relative terms, and the description of these relative terms is not repeated herein.

It should be appreciated that reference throughout this specification to "in this embodiment," "in an embodiment of the present application," or "as an alternative implementation" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in this embodiment," "in the examples of the present application," or "as an alternative embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. Those skilled in the art should also appreciate that the embodiments described in this specification are all alternative embodiments and that the acts and modules involved are not necessarily required for this application.

In various embodiments of the present application, it should be understood that the size of the serial number of each process described above does not mean that the execution sequence is necessarily sequential, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A battery integrated device is characterized by comprising a vehicle body mechanism, a cooling water pipeline mechanism, a plurality of cooling plates and a plurality of battery modules;

the vehicle body mechanism is provided with a battery pack box body;

the battery pack box is characterized in that the battery pack box is internally provided with a plurality of battery modules, the battery modules are arranged in the battery pack box, the cooling plates are arranged in a one-to-one correspondence manner with the battery modules, and the cooling water pipeline mechanism is arranged between the battery modules and communicated with the cooling water pipeline mechanism.

2. The battery integration apparatus according to claim 1, further comprising a BMS mechanism mounted at the battery pack case, the BMS mechanism being electrically connected with the battery module.

3. The battery integration apparatus of claim 2, further comprising a BDU mechanism mounted to the battery pack case, the BDU mechanism being electrically connected to the BMS mechanism and the battery module, respectively.

4. The battery integrated apparatus of claim 1, wherein the cooling plate comprises a water inlet that is connected with the first passage of the cooling water conduit mechanism.

5. The battery integrated apparatus according to claim 4, wherein the cooling plate further comprises a water outlet connected with the second passage of the cooling water conduit mechanism.

6. The battery integrated device of claim 5, wherein the first via and the second via are disposed side-by-side.

7. The battery integration apparatus according to claim 1, wherein the cooling plate is provided with a module mounting mechanism, and the cooling plate is fittingly mounted with the battery module by the module mounting mechanism.

8. The battery integration apparatus of claim 1, further comprising a bottom guard plate, wherein the bottom guard plate is fixedly mounted to the battery pack case.

9. The battery integration apparatus of claim 8, wherein a surface of the floor shield is parallel to a surface of the body structure.

10. An electric vehicle characterized by comprising the battery integration apparatus according to any one of claims 1 to 9.