A battery pack and a vehicle

Abstract

The application provides a battery pack and a vehicle, and particularly relates to the technical field of batteries. The battery pack comprises a battery box and a battery module. The battery box comprises a plurality of box structures, at least one side of each box structure is provided with a guide groove structure, and each box structure is connected with adjacent box structures through the guide groove structure. The guide groove structure comprises a first matching part and a second matching part, and one of the first matching part and the second matching part of the box structure is connected with the other of the first matching part and the second matching part of the adjacent box structure. The battery module is located in at least part of the box structures. In this way, the battery pack provided by the application matches each box structure through the guide groove structure, thereby realizing the combined installation of the plurality of box structures, increasing or decreasing the number of the box structures according to the demand of different electric quantities, improving the universal performance of the battery box, and reducing the overall cost of the battery pack.

Description

Technical Field

[0001] This application relates to the field of battery technology, and more particularly to a battery pack and a vehicle. Background Technology

[0002] With technological advancements and increasing demand for renewable energy, power batteries have been widely used in numerous fields, including electric vehicles, renewable energy storage, consumer electronics, and industrial equipment. Among these, the battery pack, as the core component of a power battery system, is currently the primary method for integrating power battery systems.

[0003] The battery casing, serving as a carrier and protective shell for the battery modules, cells, thermal management system, and electrical components, is an indispensable and crucial component of the battery pack. The battery casing accounts for a significant portion of the overall cost of the battery pack.

[0004] However, in existing battery packs, the battery casing is mainly made of aluminum profiles. Depending on the battery mounting point, different lifting lug structures need to be designed on the battery casing, resulting in a wide variety of battery casing structures and high costs. Utility Model Content

[0005] This application provides a battery pack and a vehicle. By setting a guide groove structure, the various housing structures can be matched through the guide groove structure, thereby realizing the combined installation of multiple housing structures. The number of housing structures can be increased or decreased according to different power requirements, improving the versatility of the battery housing and reducing the overall cost of the battery pack.

[0006] The first aspect of this application provides a battery pack, comprising:

[0007] The battery box includes several box structures. Each box structure has a guide groove structure on at least one side, and the box structures are connected to each other through the guide groove structure. The guide groove structure includes a first mating part and a second mating part. One of the first mating part and the second mating part of the box structure is mated and connected to the other of the first mating part and the second mating part of the adjacent box structure.

[0008] The battery module is located in at least part of the housing structure.

[0009] The battery pack provided in the first aspect of this application includes a battery housing and a battery module. The battery housing comprises several housing structures, each housing structure having a guide groove structure on at least one side. The housing structures are connected to each other via the guide groove structures. Each guide groove structure includes a first mating portion and a second mating portion, with one of the first and second mating portions of a housing structure mating with the other of the first and second mating portions of an adjacent housing structure. The battery module is located within at least a portion of the housing structure. Thus, the battery pack provided in this application, by providing guide groove structures, allows the housing structures to match, enabling the combined installation of multiple housing structures. The number of housing structures can be increased or decreased according to different power requirements, improving the versatility of the battery housing and reducing the overall cost of the battery pack.

[0010] In one possible implementation, one of the first mating part and the second mating part has guide recesses on both sides in the first direction to form a protruding structure, and the other of the first mating part and the second mating part has guide protrusions on both sides in the first direction.

[0011] A guide protrusion is inserted into a guide recess so that one of the first mating part and the second mating part is mated and connected with the other of the first mating part and the second mating part of the adjacent guide groove structure.

[0012] In one possible implementation, the housing structure includes a first housing structure;

[0013] The first enclosure structure is used to install the electrical components of the battery pack.

[0014] In one possible implementation, the enclosure structure further includes at least one second enclosure structure;

[0015] The battery module is installed in the second housing structure, and the outer surface of the second housing structure is provided with a first explosion-proof valve.

[0016] In one possible implementation, the enclosure structure further includes a third enclosure structure;

[0017] The battery module is also installed in the third enclosure structure, and the outer surface of the third enclosure structure is equipped with a second explosion-proof valve.

[0018] In one possible implementation, the first housing structure has a guide groove structure on the side facing the second housing structure for connecting the second housing structure;

[0019] The outer surface of the first enclosure structure is provided with a charging port, a discharging port, and positive and negative ports for connecting to other enclosure structures.

[0020] In one possible implementation, the second housing structure is provided with guide groove structures on both sides in the second direction for connecting the first housing structure and the third housing structure respectively.

[0021] In one possible implementation, the third housing structure has a guide groove structure on the side facing the second housing structure for connecting the second housing structure.

[0022] In one possible implementation, each enclosure structure is provided with its own cover structure, bottom protective plate, and sealing element;

[0023] The lid structure is placed on top of the box structure, the bottom guard plate is located below the box structure, and the sealing element is sealed to the box structure.

[0024] A second aspect of this application provides a vehicle including the battery pack described above.

[0025] It should be understood that the second aspect of this application corresponds to the technical solution of the first aspect of this application, and the beneficial effects achieved by each aspect and the corresponding feasible implementation are similar, and will not be repeated here.

[0026] In addition to the technical problems solved by this application, the technical features constituting the technical solutions, and the beneficial effects brought about by the technical features of these technical solutions as described above, other technical problems that can be solved by a battery pack and vehicle provided by this application, other technical features included in the technical solutions, and the beneficial effects brought about by these technical features will be further described in detail in the specific embodiments. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments of this application or the prior art will be briefly introduced below. Obviously, the drawings described below are only a part of the embodiments of this application. These drawings and text descriptions are not intended to limit the scope of the concept of this application in any way, but to illustrate the concept of this application to those skilled in the art by referring to specific embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 This is a schematic diagram of the battery pack structure provided in an embodiment of this application;

[0029] Figure 2 An exploded view of the battery pack provided in an embodiment of this application;

[0030] Figure 3 This is a cross-sectional schematic diagram of the guide groove structure of the battery pack provided in the embodiments of this application;

[0031] Figure 4 This is a schematic diagram of the first housing structure of the battery pack provided in an embodiment of this application;

[0032] Figure 5 This is a schematic diagram of the second housing structure of the battery pack provided in an embodiment of this application;

[0033] Figure 6 A schematic diagram of the third housing structure of the battery pack provided in an embodiment of this application;

[0034] Figure 7 This is a schematic diagram of the fastener structure of the battery pack provided in an embodiment of this application.

[0035] Explanation of reference numerals in the attached figures:

[0036] 100-battery pack;

[0037] 200 - Battery housing; 210 - Housing structure; 220 - First housing structure; 221 - Charging port; 222 - Discharging port; 223 - Positive port; 224 - Negative port; 230 - Second housing structure; 231 - First explosion-proof valve; 240 - Third housing structure; 241 - Second explosion-proof valve; 250 - Fastener;

[0038] 300 - Guide groove structure; 310 - First mating part; 320 - Second mating part; 330 - Guide recess; 331 - Protruding structure; 340 - Guide protrusion;

[0039] 400 - Box cover structure;

[0040] 500-bottom guard plate;

[0041] 600 - Seals. Detailed Implementation

[0042] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0043] As described in the background section, in existing battery packs, the battery housing is mainly made of aluminum profiles. Depending on the battery mounting point, different lifting lug structures need to be designed on the battery housing, resulting in a wide variety of battery housing structures and high costs.

[0044] To address the aforementioned technical problems, a first aspect of this application provides a battery pack. The battery pack includes a battery housing and battery modules. The battery housing comprises several housing structures, each housing structure having a guide groove structure on at least one side. The housing structures are connected to each other via the guide groove structures. Each guide groove structure includes a first mating portion and a second mating portion, with one of the first and second mating portions of a housing structure mating with the other of the first and second mating portions of an adjacent housing structure. The battery modules are located within at least a portion of the housing structures. Thus, the battery pack provided by this application, by providing guide groove structures, allows the housing structures to match, enabling the combined installation of multiple housing structures. The number of housing structures can be increased or decreased according to different power requirements, improving the versatility of the battery housing and reducing the overall cost of the battery pack.

[0045] A second aspect of this application provides a vehicle. The vehicle includes the battery pack described above.

[0046] To make the above-mentioned objectives, features, and advantages of the embodiments of this application more apparent and understandable, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0047] This application provides a battery pack and a vehicle. By setting a guide groove structure, the various housing structures can be matched through the guide groove structure, thereby realizing the combined installation of multiple housing structures. The number of housing structures can be increased or decreased according to different power requirements, improving the versatility of the battery housing and reducing the overall cost of the battery pack. The specific structure of a battery pack and vehicle provided by this application embodiment is described below with reference to the accompanying drawings.

[0048] refer to Figure 1 This application provides a battery pack 100 in a first aspect. The battery pack 100 may include a battery housing 200 and battery modules (not shown in the figures). The battery housing 200 may further include a housing structure 210. In one possible implementation, the number of battery modules and housing structures 210 can be multiple; this application does not limit the number of battery modules and housing structures 210. In this application embodiment, multiple battery modules can be located in the battery housing 200, and each housing structure 210 can hold at least one battery module.

[0049] refer to Figure 2Based on the above embodiments, in one possible implementation, at least one side of each housing structure 210 may be provided with a guide groove structure 300. Thus, it can be understood that the housing structures 210 can be connected to each other via the guide groove structures 300 to form the entire battery housing 200. The guide groove structure 300 can form an integral structure with the corresponding housing structure 210, thereby eliminating the need for additional post-processing and facilitating operation.

[0050] refer to Figure 3 , Figure 4 , Figure 5 as well as Figure 6 Based on the above embodiments, in one possible implementation, the guide groove structure 300 may include a first mating portion 310 and a second mating portion 320. One of the first mating portion 310 and the second mating portion 320 of the housing structure 210 may be mated and connected with the other of the first mating portion 310 and the second mating portion 320 of an adjacent housing structure 210, thereby enabling the housing structures 210 to be connected via the guide groove structure 300.

[0051] In one possible implementation, the first mating portion 310 of the housing structure 210 can be mated and connected with the second mating portion 320 of the adjacent housing structure 210. Alternatively, in another possible implementation, the second mating portion 320 of the housing structure 210 can also be mated and connected with the first mating portion 310 of the adjacent housing structure 210. The embodiments described in this application are not intended to be limiting.

[0052] Thus, the battery pack 100 provided in this application embodiment, by setting the guide groove structure 300, allows each box structure 210 to match through the guide groove structure 300, thereby realizing the combined installation of multiple box structures 210. The number of box structures 210 can be increased or decreased according to different power requirements, thereby improving the versatility of the battery box 200 and reducing the overall cost of the battery pack 100.

[0053] It should be noted that, for ease of description, in this embodiment, the first direction can be the height direction of the battery housing 200, i.e. Figure 1 The x-direction. The second direction can be the width direction of the battery box 200, i.e. Figure 1 y direction in .

[0054] Continue to refer to Figure 3 and combined Figure 4 , Figure 5 as well as Figure 6Based on the above embodiments, in one possible implementation, one of the first mating portions 310 and 320 may have guide recesses 330 on both sides in the first direction, thereby forming a protrusion structure 331 in the second direction. Correspondingly, the other of the first mating portions 310 and 320 may have guide protrusions 340 on both sides in the first direction. In this way, by inserting the guide protrusions 340 into the guide recesses 330, one of the first mating portions 310 and 320 is connected to the other of the first mating portions 310 and 320 of the adjacent guide groove structure 300.

[0055] In one possible implementation, the first mating portion 310 may have guide recesses 330 on both sides in the first direction, forming a protruding structure 331. Correspondingly, the second mating portion 320 may have guide protrusions 340 on both sides in the first direction. Alternatively, in another possible implementation, the second mating portion 320 may have guide recesses 330 on both sides in the first direction, forming a protruding structure 331. Correspondingly, the first mating portion 310 may have guide protrusions 340 on both sides in the first direction. The embodiments described in this application are not limited in scope.

[0056] Continue to refer to Figure 2 as well as Figure 4 Based on the above embodiments, the housing structure 210 may include a first housing structure 220. In one possible implementation, the first housing structure 220 may be located at one end of the battery housing 200. In this embodiment, it is understood that the first housing structure 220 can be used to install the electrical components of the battery pack 100.

[0057] Continue to refer to Figure 2 as well as Figure 5 Based on the above embodiments, the housing structure 210 may further include a second housing structure 230. In one possible implementation, the number of second housing structures 230 can be at least one, and the number of second housing structures 230 can be increased or decreased according to different power requirements; this application embodiment does not impose any limitation on this. In this application embodiment, several second housing structures 230 may be located at the center of the battery housing 200. It is understood that the battery module can be installed in the second housing structure 230. Additionally, the outer surface of the second housing structure 230 may also be provided with a first explosion-proof valve 231.

[0058] Continue to refer to Figure 2 as well as Figure 6Based on the above embodiments, the housing structure 210 may further include a third housing structure 240. In one possible implementation, the third housing structure 240 may be located at the other end of the battery housing 200. In this embodiment, it is understood that the battery module may also be installed in the third housing structure 240. Additionally, a second explosion-proof valve 241 may be provided on the outer surface of the third housing structure 240.

[0059] In the embodiments of this application, it can be understood that the first explosion-proof valve 231 and the second explosion-proof valve 241 are configured to open the first explosion-proof valve 231 and the second explosion-proof valve 241 when thermal runaway occurs in the battery pack 100, and guide the high-temperature ejected material to be discharged in a preset direction, thereby ensuring the safety performance of the battery pack 100.

[0060] Continue to refer to Figure 2 and combined Figure 4 Based on the above embodiment, the first housing structure 220 may be provided with a guide groove structure 300 on the side facing the second housing structure 230. It is understood that the guide groove structure 300 of the first housing structure 220 can be used to connect the second housing structure 230, thereby connecting the first housing structure 220 and the second housing structure 230.

[0061] In one possible implementation, such as Figure 2 As shown, the outer surface of the first housing structure 220 may be provided with a charging port 221, a discharging port 222, and a positive port 223 and a negative port 224 for connecting to other housing structures 210. It can be understood that by providing a charging port 221, a discharging port 222, a positive port 223, and a negative port 224 on the first housing structure 220, the battery pack 100 can exchange energy with other systems through multiple ports.

[0062] Continue to refer to Figure 2 and combined Figure 5 Based on the above embodiments, the second housing structure 230 may be provided with guide groove structures 300 on both sides in the second direction. It can be understood that the guide groove structures 300 of the second housing structure 230 can be used to connect the first housing structure 220 and the third housing structure 240 respectively, thereby connecting the first housing structure 220, the second housing structure 230 and the third housing structure 240.

[0063] Continue to refer to Figure 2 and combined Figure 6Based on the above embodiment, the third housing structure 240 may be provided with a guide groove structure 300 on the side facing the second housing structure 230. It is understood that the guide groove structure 300 of the third housing structure 240 can be used to connect to the second housing structure 230, thereby connecting the third housing structure 240 and the second housing structure 230.

[0064] In the embodiments of this application, it is understood that after the first housing structure 220, the second housing structure 230, and the third housing structure 240 are connected by the guide groove structure 300, each housing structure 210 can be fixed by fasteners 250. In one possible implementation, such as... Figure 7 As shown, the fastener 250 can be a bolt, but this embodiment of the application is not limited thereto.

[0065] Continue to refer to Figure 2 Based on the above embodiments, the battery pack 100 may further include: a cover structure 400, a bottom protective plate 500, and a sealing element 600. Each housing structure 210 may be equipped with its own cover structure 400, bottom protective plate 500, and sealing element 600. It is understood that the cover structure 400, bottom protective plate 500, and sealing element 600 are respectively corresponding to the first housing structure 220, the second housing structure 230, and the third housing structure 240.

[0066] In one possible implementation, the cover structure 400 can be placed on top of the housing structure 210. The bottom protective plate 500 can be located below the housing structure 210, and the sealing element 600 seals the housing structure 210. In this embodiment, it is understood that the cover structure 400 and the bottom protective plate 500 provide load-bearing and protection for the battery module, while the sealing element 600 ensures the airtightness and watertightness of the battery pack 100.

[0067] This application provides a vehicle (not shown in the figures) in a second aspect. The vehicle may include the battery pack 100 described above.

[0068] In this embodiment of the application, the battery pack 100 provided in this embodiment of the application sets a guide groove structure 300 so that each box structure 210 is matched through the guide groove structure 300, thereby realizing the combined installation of multiple box structures 210. The number of box structures 210 can be increased or decreased according to different power requirements, thereby improving the versatility of the battery box 200 and reducing the overall cost of the battery pack 100.

[0069] The various embodiments or implementation methods described in this specification are presented in a progressive manner. Each embodiment focuses on the differences from other embodiments, and the same or similar parts between the embodiments can be referred to each other.

[0070] It should be noted that phrases such as "in specific implementations," "in some embodiments," "in this embodiment," and "exemplarily" in the specification indicate that the described embodiments may include specific features, structures, or characteristics, but not every embodiment necessarily includes that specific feature, structure, or characteristic. Furthermore, such phrases do not necessarily refer to the same embodiment. Moreover, when a specific feature, structure, or characteristic is described in connection with an embodiment, implementing such a feature, structure, or characteristic in conjunction with other embodiments, whether explicitly described or not, is within the knowledge scope of those skilled in the art.

[0071] Generally speaking, terms should be understood at least in part by their use in context. For example, at least in part by context, the term "one or more" as used in the text can be used to describe any feature, structure, or characteristic of the singular meaning, or a combination of features, structures, or characteristics of the plural meaning. Similarly, at least in part by context, terms such as "a" or "the" can also be understood to convey either singular or plural usage.

[0072] It should be readily understood that “on,” “above,” and “on top of” in this disclosure should be interpreted in the broadest manner, such that “on” means not only “directly on something” but also “on something” with an intermediate feature or layer therebetween, and that “above” or “on top of” means not only “on something” but also “on something” without an intermediate feature or layer therebetween (i.e., directly on something).

[0073] Furthermore, for ease of explanation, spatially relative terms such as "below," "below," "under," "above," and "above" may be used to describe the relationship of one element or feature relative to other elements or features as shown in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation other than those shown in the figures. The device may have other orientations (rotated 90 degrees or in other orientations), and the spatially relative descriptive terms used herein may be interpreted accordingly.

[0074] Finally, it should be noted that other embodiments of this application will readily conceive of by those skilled in the art upon consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of this application that follow the general principles of this application and include common knowledge or customary techniques in the art not disclosed herein, and is not limited to the precise structures described above and shown in the accompanying drawings, and various modifications and alterations may be made without departing from its scope. The scope of this application is limited only by the appended claims.

Claims

1. A battery pack, characterized in that, include: A battery housing (200) includes a plurality of housing structures (210). Each housing structure (210) has a guide groove structure (300) on at least one side, and the housing structures (210) are connected to each other through the guide groove structure (300). The guide groove structure (300) includes a first mating part (310) and a second mating part (320). One of the first mating part (310) and the second mating part (320) of the housing structure (210) is mated and connected to the other of the first mating part (310) and the second mating part (320) of the adjacent housing structure (210). A battery module, the battery module being located in at least a portion of the housing structure (210).

2. The battery pack according to claim 1, characterized in that, One of the first mating part (310) and the second mating part (320) has guide recesses (330) on both sides in the first direction to form a protrusion structure (331), and the other of the first mating part (310) and the second mating part (320) has guide protrusions (340) on both sides in the first direction. The guide protrusion (340) is inserted into the guide recess (330) so that one of the first mating part (310) and the second mating part (320) is mated and connected with the other of the first mating part (310) and the second mating part (320) of the adjacent guide groove structure (300).

3. The battery pack according to claim 2, characterized in that, The box structure (210) includes a first box structure (220); The first housing structure (220) is used to install the electrical components of the battery pack.

4. The battery pack according to claim 3, characterized in that, The enclosure structure (210) also includes at least one second enclosure structure (230); The battery module is installed in the second housing structure (230), and the outer surface of the second housing structure (230) is provided with a first explosion-proof valve (231).

5. The battery pack according to claim 4, characterized in that, The enclosure structure (210) also includes a third enclosure structure (240); The battery module is also installed in the third housing structure (240), and the outer surface of the third housing structure (240) is provided with a second explosion-proof valve (241).

6. The battery pack according to claim 5, characterized in that, The first housing structure (220) is provided with the guide groove structure (300) on the side facing the second housing structure (230) for connecting the second housing structure (230); The outer surface of the first housing structure (220) is provided with a charging port (221), a discharging port (222), and a positive port (223) and a negative port (224) for connecting other housing structures (210).

7. The battery pack according to claim 5, characterized in that, The second box structure (230) is provided with guide groove structures (300) on both sides in the second direction, for connecting the first box structure (220) and the third box structure (240) respectively.

8. The battery pack according to claim 5, characterized in that, The third housing structure (240) has a guide groove structure (300) on the side facing the second housing structure (230) for connecting the second housing structure (230).

9. The battery pack according to any one of claims 1-8, characterized in that, Each of the aforementioned box structures (210) is provided with its own box cover structure (400), bottom guard plate (500) and sealing element (600); The cover structure (400) covers the box body structure (210), the bottom guard plate (500) is located below the box body structure (210), and the sealing element (600) seals the box body structure (210).

10. A vehicle, characterized in that, Includes the battery pack (100) as described in any one of claims 1-9 above.

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