Battery device and electric equipment

Abstract

The utility model relates to a battery device and electric equipment. The battery device is provided with a box body structure, and the box body structure comprises a plurality of integrally formed frame beams. The frame beams are connected end to end to form a containing cavity with upper and lower openings. And at least the left frame beam and the right frame beam which are located on the left side and the right side relative to the longitudinal center line of the box body structure form a receiving part which is formed by rolling and is provided with a sliding rail structure. The sliding rail structure can receive the sliding block part of the mounting beam in the longitudinal extending direction of the frame beam and is connected with the sliding block part in an attached mode. The battery device disclosed by the utility model can greatly reduce the production procedures and correspondingly reduce the production cost.

Description

Technical Field

[0001] This disclosure relates to the field of batteries, and more specifically to battery devices and electrical appliances. Background Technology

[0002] The battery pack in a new energy electric vehicle is the energy storage system for all pure electric vehicles and plug-in hybrid electric vehicles, and it consists of multiple battery cells. To protect the function, lifespan, and performance of the internal battery cells, the battery pack's casing structure must have sufficiently high strength and also possess features such as cell temperature regulation, scratch resistance, and protection against side impacts.

[0003] The casing structure of existing battery devices is usually formed by welding multiple steel components, which is a complex and costly manufacturing process.

[0004] Therefore, improvements to existing battery devices are necessary. Utility Model Content

[0005] To address the aforementioned technical problems, this disclosure proposes a battery device and an electrical appliance.

[0006] In a first aspect, this disclosure provides a battery device having a housing structure. The housing structure includes a plurality of integrally formed frame beams. The plurality of frame beams are joined end-to-end to form receiving cavities with openings at the top and bottom. At least the left and right frame beams, located on the left and right sides relative to the longitudinal centerline of the housing structure, are configured with receiving portions having roll-formed slide rail structures. The slide rail structure is capable of receiving and attaching to slider portions of mounting beams along the longitudinal extension direction of the frame beams. Thus, the housing structure of the battery device according to this disclosure can significantly reduce manufacturing steps, correspondingly lower production costs, and also provides a simpler and more adjustable connection method. Moreover, this configuration of the slide rail structure and slider portions facilitates the connection of mounting beams made of frame beams made of different materials.

[0007] In one or more embodiments of this disclosure, the receiving portion is a C-shaped receiving portion with a C-shaped cross-section. The C-shaped receiving portion includes an inner sidewall, a first wing and a second wing extending perpendicularly outward relative to the inner sidewall, and a first bend and a second bend that bend from the outer ends of the first wing and the second wing and extend toward each other, respectively. The C-shaped receiving portion integrally constitutes the slide rail structure. Thus, the slide rail structure of the C-shaped receiving portion provides a stable sliding and holding method between the mounting beam and the frame beam.

[0008] In one or more embodiments of this disclosure, the track-type receiving portion is an inverted Z-shaped receiving portion with an inverted Z-shaped cross-section. The inverted Z-shaped receiving portion includes an inner sidewall, a first wing extending perpendicularly outward relative to the inner sidewall, a second wing extending perpendicularly inward relative to the inner sidewall, and a first bent portion that bends downward from the outer end of the first wing. The inner sidewall, the first wing, and the first bent portion constitute the slide rail structure. Thus, the slide rail structure of the inverted Z-shaped receiving portion provides an alternative method of sliding and holding between the mounting beam and the frame beam.

[0009] In one or more embodiments of this disclosure, the box structure further includes a left mounting beam and a right mounting beam, each having a mounting beam body and a slider portion extending perpendicularly to the mounting beam body. The shape of the slider portion is configured to match the shape of the slide rail structure. Thus, the arrangement of the left and right mounting beams facilitates the provision of high resistance to side impacts. The structure of the slider portion is adapted to stably and adjustably retain the slider portion within the slide rail structure.

[0010] In one or more embodiments of this disclosure, the left and right mounting beams are made of a different metal material than the side frame beams. Thus, choosing different metal materials for the left, right, and side frame beams not only provides sufficient strength and high resistance to side impacts on the box structure, but also facilitates weight reduction and / or cost reduction.

[0011] In one or more embodiments of this disclosure, the frame beam is a steel frame beam, while the left and right mounting beams are aluminum mounting beams. The steel frame beam can provide sufficient strength for the box structure, while the aluminum mounting beam provides high resistance to side impacts while also facilitating weight reduction and / or cost reduction.

[0012] In one or more embodiments of this disclosure, the slider portion is provided with at least one row of preset holes, and the slide rail structure and the slider portion are attached by riveting through the at least one row of preset holes. Thus, the slider portion of the mounting beam and the attachment portion of the frame beam, made of different metal materials, are adapted to be securely attached together by riveting through the at least one row of preset holes.

[0013] In one or more embodiments of this disclosure, the at least one row of pre-set holes includes two rows of pre-set holes disposed in the upper and lower portions of the slider portion relative to the mounting beam body. This provides a more robust attachment through riveting via the two rows of pre-set holes.

[0014] In one or more embodiments of this disclosure, the housing structure further includes a cold plate located below the receiving cavity to close the lower opening of the receiving cavity. Thus, the cold plate provides temperature regulation functionality.

[0015] In one or more embodiments of this disclosure, the box structure further includes a transverse roll-stressing beam and a longitudinal roll-stressing beam disposed within the receiving cavity and welded to the frame beam. Thus, the arrangement of the transverse roll-stressing beam and the longitudinal roll-stressing beam provides high structural strength to the box structure.

[0016] In another aspect, this disclosure provides an electrical appliance. The electrical appliance includes a battery device according to this disclosure. Attached Figure Description

[0017] These and various other advantages and benefits of this disclosure will become clear to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of this disclosure. Furthermore, the same reference numerals denote the same parts throughout the drawings.

[0018] Figure 1 An exploded view of a battery device according to one or more embodiments of the present disclosure is shown schematically.

[0019] Figure 2 A perspective view of the housing structure of a battery device according to a first embodiment of the present disclosure is shown schematically.

[0020] Figure 3 schematically shown Figure 2 A partial cross-sectional view of the battery pack's casing structure.

[0021] Figure 4 schematically shown Figure 2 An exploded view of the battery pack's casing structure.

[0022] Figure 5 schematically shown Figure 2 The diagram shows a partial assembly of the battery pack's casing structure.

[0023] Figure 6 A perspective view of the housing structure of a battery device according to a second embodiment of the present disclosure is shown schematically.

[0024] Figure 7 schematically shown Figure 6 A partial cross-sectional view of the battery pack's casing structure.

[0025] Figure 8 A schematic diagram of one stage of the riveting and welding process is shown.

[0026] Figure 9 A schematic diagram of another operational stage of the riveting and welding process is shown.

[0027] Figure 10 The illustration shows including Figure 1 The electrical equipment shown is for the battery device.

[0028] Explanation of reference numerals in the attached drawings: Battery device 1; Box structure 10; Receiving cavity 11; Left side frame beam 12; Right side frame beam 14; Front side frame beam 16; Rear side frame beam 18; Left mounting beam 22; Right mounting beam 24; Horizontal roller pressure reinforcing beam 32; Vertical roller pressure reinforcing beam 34; Cold plate 40; Mounting beam body BD; Slider section SB; Preset hole HL; Receiving section R; Inner wall of C-type receiving section S1; First wing of C-type receiving section W1; Second wing of C-type receiving section W2; First bending section of C-type receiving section B1; C-type receiving... The second bending portion B2 of the part; the inner wall S1' of the inverted Z-shaped receiving part; the first wing W1' of the inverted Z-shaped receiving part; the second wing W2' of the inverted Z-shaped receiving part; the first bending portion B1' of the inverted Z-shaped receiving part; the first riveting point P1; the second riveting point P2; the battery module 50; the cover 60; the rivet post 70; the first rivet head 72; the second rivet head 74; the first component 76; the second component 78; the electrical equipment 100; the controller 110; the motor 120; the longitudinal center line CL; the longitudinal extension direction X of the frame beam. Detailed Implementation

[0029] The embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present disclosure and should not be construed as limiting its scope of protection.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit this disclosure; the terms “comprising” and “having”, and any variations thereof, in the specification, claims and foregoing description of the drawings of this disclosure are intended to cover non-exclusive inclusion.

[0031] In the description of the embodiments of this disclosure, technical terms such as "first" and "second" are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly specifying the number, specific order, or primary or secondary relationship of the indicated technical features.

[0032] "Multiple" means two or more, unless otherwise explicitly specified.

[0033] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this disclosure. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0034] In the description of the embodiments of this disclosure, the term "and / or" is merely a description of the relationship between related objects, indicating that there can be three relationships, such as A and / or B, which can represent: A existing alone, A and B existing simultaneously, and B existing alone.

[0035] In the description of the embodiments of this disclosure, the technical terms such as "parallel," "vertical," "vertical," "horizontal," "upper," "lower," "left," "right," "inner," and "outer," which indicate orientation or positional relationships based on the accompanying drawings, are only for the convenience of describing the embodiments of this disclosure and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as a limitation on the embodiments of this disclosure.

[0036] In the description of the embodiments of this disclosure, unless otherwise expressly specified and limited, the technical terms "installation," "connection," "attachment," "fixation," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this disclosure according to the specific circumstances.

[0037] As mentioned earlier, the casing structure of existing battery devices is typically formed by welding multiple steel components. Specifically, the frame beams of the casing structure are usually first welded together from multiple steel components into a predetermined shape, and then welded end-to-end to form an opening at the top and bottom to accommodate the battery module. This requires multiple molds for producing the multiple steel components and multiple welding processes for welding them together and connecting them end-to-end. The connection between the frame beams and the mounting beams is usually achieved by applying adhesive before welding, which requires at least two processes. Therefore, the production process of the casing structure is complex and costly. In addition, this casing structure is only suitable for connecting multiple components made of the same material, and not for connecting multiple components made of dissimilar materials.

[0038] In view of the state of the prior art, this disclosure proposes the following basic concept: the housing structure of the battery device may include multiple integrally formed frame beams, for example, the frame beams may be formed by extrusion. The frame beams may be formed by other integral molding methods known in the prior art. The multiple frame beams are joined end to end to form a receiving cavity with openings at the top and bottom for accommodating the battery module. In this way, only one extrusion die or one extrusion process, one rolling process, and one welding process for joining the ends are required. At least the left and right frame beams located on the left and right sides relative to the longitudinal centerline of the housing structure are configured with receiving portions having a rolled sliding rail structure. The sliding rail structure is capable of receiving and attaching the slider portion of the mounting beam along the longitudinal extension direction of the frame beam. This configuration provides a simple and adjustable connection method for the frame beam and the mounting beam to be slidably received and then attached. As a result, the battery device of this disclosure can greatly reduce the number of production steps and correspondingly reduce production costs.

[0039] The battery device and electrical equipment according to this disclosure will now be described in conjunction with the accompanying drawings.

[0040] According to one or more embodiments, refer to Figure 1-7 A battery device 1 is provided, the battery device having a housing structure 10. The housing structure includes a plurality of integrally formed frame beams. The plurality of frame beams are joined end to end to form a receiving cavity 11 with openings at the top and bottom. At least on the left and right sides of the housing structure, the left frame beam 12 and the right frame beam 14, located on the left and right sides respectively, are configured to have receiving portions R with roll-formed slide rail structures. The slide rail structure is capable of slidably receiving and attaching to the slider portion SB of the mounting beam along the longitudinal extension direction X of the frame beam.

[0041] refer to Figure 1 The battery device 1 according to this disclosure may include a housing structure 10, a battery module 50 disposed within the housing structure, and a cover 60 that seals the housing structure 10 from above. The battery module 50 and the cover 60 may have structures common in the art, which will not be described in detail here. The frame beams of the housing structure 10 of the battery device 1 of this disclosure have an integrally formed molded structure. For example, the frame beams may be integrally formed into an integral structure by an extrusion process. At least the receiving portion of the frame beam is further formed by a roll forming process. Thus, the frame beam is a roll-formed frame beam. In this way, compared to the prior art of directly welding multiple components to form the frame beam, the production process is greatly reduced, the processing accuracy is improved, and the production cost is reduced. Multiple frame beams thus constructed are joined end-to-end to form a receiving cavity 11 with openings at the top and bottom for accommodating the battery module 50.

[0042] In the illustrated embodiment, the receiving cavity 11 is a rectangular receiving cavity. The receiving cavity may have other shapes as needed. In the illustrated embodiment, with respect to the longitudinal centerline CL of the housing structure 10, the plurality of side frame beams include a left side frame beam 12, a right side frame beam 14, a front side frame beam 16, and a rear side frame beam 18. At least the left side frame beam 12 and the right side frame beam 14 may be provided with receiving portions R with sliding rail structures. As needed and / or desired, the front side frame beam 16 and the rear side frame beam 18 may also be provided with receiving portions configured in this way. During assembly, the slider portions SB of the left mounting beam 22 and the right mounting beam 24 (see...) Figure 5 The slider SB can be slidably received into the slide rail structure of the receiving part R of the left side frame beam 12 and the right side frame beam 14 along the longitudinal extension direction X of the frame beam, and then further attached to securely fix them together. For example, the attachment of the slider part SB to the slide rail structure can be implemented by welding process, especially by riveting process (which will be further described below).

[0043] The receiver R constructed in this way provides a simpler and easier connection method compared to the prior art of applying adhesive and then welding, especially since the relative positions between the frame beam and the mounting beam can be adjusted as needed before attachment.

[0044] Therefore, the housing structure of the battery device according to this disclosure can greatly reduce production steps, correspondingly lower production costs, and also provides a simpler and more adjustable connection method. Furthermore, this construction of the slide rail structure and slider facilitates the connection of the mounting beams of the frame beams made of different materials.

[0045] According to one or more embodiments, refer to Figure 2-5 The receiving part R is a C-shaped receiving part with a C-shaped cross-section. The C-shaped receiving part includes an inner sidewall S1, a first wing W1 and a second wing W2 extending perpendicularly outward relative to the inner sidewall, and a first bent part B1 and a second bent part B2 that bend from the outer ends of the first wing and the second wing and extend toward each other, respectively. The C-shaped receiving part as a whole constitutes the slide rail structure.

[0046] Specifically, in reference Figure 2-5In this embodiment, the inner wall S1 of the C-shaped receiving part is a vertical wall, the first wing W1 and the second wing W2 are both horizontal wings, and the first bend B1 and the second bend B2 are both vertical bends. This receiving part structure is easily manufactured by a roll forming process after extrusion. Since the slide rail structure is integrally formed by the C-shaped receiving part, when the slider part SB of the mounting beam is slidably received into the receiving part R along the longitudinal extension direction X of the frame beam, the lower surface of the first wing W1, the upper surface of the second wing W2, the outer surface of the inner wall S1, and the inner surfaces of the first bend B1 and the second bend B2 can respectively provide retention and / or obstruction to the slider part SB of the mounting beam in the upper, lower, left, and right directions, thereby providing more stable sliding and retention for the slider part SB. The upper surface of the first wing W1 can also provide an attachment surface for attaching the cover 60 that covers the receiving cavity 11 from above. The lower surface of the second wing W2 may also provide an attachment surface for attaching a component that seals the lower opening of the receiving cavity 11.

[0047] Therefore, the slide rail structure of the C-shaped receiving section provides a stable sliding and holding method between the mounting beam and the frame beam.

[0048] According to one or more embodiments, refer to Figure 6-7 The track-type receiving part is an inverted Z-shaped receiving part with an inverted Z-shaped cross-section. The inverted Z-shaped receiving part includes an inner sidewall S1', a first wing W1' extending perpendicularly outward relative to the inner sidewall, a second wing W2' extending perpendicularly inward relative to the inner sidewall, and a first bent part B1' bending downward from the outer end of the first wing. The inner sidewall S1', the first wing W1', and the first bent part B1' of the inverted Z-shaped receiving part constitute the slide rail structure.

[0049] Specifically, in reference Figure 6-7 In this embodiment, the inner wall S1' of the inverted Z-shaped receiving part is a vertical wall, the first wing W1' and the second wing W2' are both horizontal wings, and the first bent part B1' is a vertical bent part. This receiving part structure is easily manufactured by a rolling process after extrusion. Since the slide rail structure is composed of the inner wall S1' of the inverted Z-shaped receiving part, the first wing W1', and the first bent part B1', when the slider part SB of the mounting beam slides along the longitudinal extension direction X of the frame beam to the receiving part R, the lower surface of the first wing W1', the outer surface of the inner wall S1', and the inner surface of the first bent part B1' can respectively provide retention or obstruction to the slider part SB of the mounting beam in the upper, left, and right directions. The upper surface of the first wing W1' can also provide an attachment surface for attaching the cover 60 that covers the receiving cavity 11 from above. The lower or upper surface of the second wing W2' can provide an attachment surface for attaching a component that seals the lower opening of the receiving cavity 11.

[0050] Therefore, the slide rail structure of the inverted Z-shaped receiving section provides another way of sliding and holding between the mounting beam and the frame beam.

[0051] According to one or more embodiments, refer to Figure 2-7 The box structure 10 further includes a left mounting beam 22 and a right mounting beam 24. Both the left mounting beam 22 and the right mounting beam 24 have a main body BD and a slider portion SB extending perpendicularly to the main body. The shape of the slider portion SB is configured to match the shape of the slide rail structure.

[0052] The box structure 10 can be equipped with a left mounting beam 22 and a right mounting beam 24 on its left and right sides, respectively, to provide high resistance to side column impacts. The left mounting beam 22 and the right mounting beam 24 can be attached to the left frame beam 22 and the right frame beam 24, respectively. Specifically, refer to... Figure 4-5 For C-type and inverted Z-type receiving sections, the main body of the mounting beam BD and the slider section SB can form a T-shaped structure. Specifically, the main body of the mounting beam BD and the slider section SB can form a symmetrical T-shaped structure about the main body of the mounting beam BD to better match the C-type receiving section. For the inverted Z-type receiving section, the main body of the mounting beam BD and the slider section SB can form a symmetrical or asymmetrical T-shaped structure, or an L-shaped structure, to facilitate reception by the receiving section R. (Reference) Figure 5 During assembly, the sliders SB of the left mounting beam 22 and the right mounting beam 24 can be inserted into the slide rail structures of the receiving parts R of the left side frame beam 12 and the right side frame beam 14 respectively along the longitudinal extension direction X of the frame beam, and can slide and remain adjustable therein to facilitate subsequent stable attachment operations. This construction makes it easier to adjust the relative positions of the sliders SB and the receiving parts R compared to the adhesive application operation of the prior art.

[0053] Therefore, the arrangement of the left and right mounting beams facilitates high resistance to side impacts. The structure of the slider section is adapted to ensure that the slider section is stably and adjustablely held within the slide rail structure.

[0054] According to one or more embodiments, the left mounting beam 22 and the right mounting beam 24 are made of a different metal material than the frame beams.

[0055] Typically, the enclosure structure 10 can be made of metal to facilitate welding operations. In one or more embodiments of this disclosure, the left mounting beam 22 and the right mounting beam 24 can be made of a different metal material than the side frame beams (e.g., left side frame beam 12 and right side frame beam 14). In particular, the mounting beams can be made of lighter and / or less expensive metal materials to not only provide sufficient strength and high resistance to side impacts on the enclosure structure, but also to facilitate weight reduction and / or cost reduction.

[0056] Therefore, choosing different metal materials for the left mounting beam, right mounting beam, and side frame beam not only provides sufficient strength and high resistance to side column impacts for the box structure, but also facilitates weight reduction and / or cost reduction.

[0057] According to one or more embodiments, the frame beam is a steel frame beam, while the left mounting beam 22 and the right mounting beam 24 are aluminum mounting beams.

[0058] Steel frame beams can provide sufficient strength for the box structure, while aluminum mounting beams provide high resistance to side impacts while also facilitating weight reduction and / or cost reduction.

[0059] According to one or more embodiments, refer to Figure 4 The slider part SB is provided with at least one row of preset holes HL, and the slide rail structure and the slider part SB are attached by riveting through the at least one row of preset holes HL.

[0060] As is known in the art, riveting is a type of welding that is particularly suitable for joining parts made of different materials. Figure 8-9 Schematic diagrams illustrating different operational stages of the riveting and welding process are provided. (Reference) Figure 8 First, place the first component 76 and the second component 78 to be riveted together. Then, the first riveting head 72 abuts against the first component 76, and the second riveting head 74 drives the rivet post 70 to move towards the second component 78. (Reference) Figure 9 The second rivet head 74 drives the rivet post 70 to abut against the second component 78 and deforms the rivet post to form a rivet head, thereby mechanically locking the first component 76 and the second component 78 together.

[0061] The slider section SB may have at least one row of pre-set holes HL. Specifically, in Figure 3-4 and Figure 7 In the illustrated embodiment, the slider portion SB is provided with two rows of preset holes HL to achieve a secure attachment by riveting through the preset holes. However, as those skilled in the art will understand, it is also feasible to provide only one row of preset holes HL. The riveting operation described above is performed after the slider portions SB of the left mounting beam 22 and the right mounting beam 24 are slidably received into the slide rail structure of the receiving portion R of the left frame beam 12 and the right frame beam 14, respectively. Specifically, the rivet is placed at the first riveting point P1 and / or the second riveting point P2 through the at least one row of preset holes HL, and then the rivet is deformed by the pushing of two press heads to form a rivet head, thereby fixing the inner sidewall S1 of the slider portion SB and the receiving portion R together at the first riveting point P1 and / or the second riveting point P2. The riveting process is particularly suitable when the left mounting beam 22 and the right mounting beam 24 are made of a different metal material than the left frame beam 12 and the right frame beam 14.

[0062] Thus, the slider portion of the mounting beam and the attachment portion of the frame beam, which are made of different metal materials, are suitable for being securely attached together by riveting at at least one row of pre-set holes.

[0063] According to one or more embodiments, refer to Figure 4 The at least one row of preset holes includes two rows of preset holes HL disposed in the upper and lower portions of the slider part SB relative to the main body of the mounting beam BD.

[0064] Specifically, in Figure 4 and Figure 7 In the embodiment shown, the slider part SB is provided with two rows of preset holes HL to securely attach the upper and lower portions of the slider part SB to the inner sidewall S1 of the attachment part R.

[0065] Therefore, riveting through two rows of pre-set holes provides a more secure attachment.

[0066] According to one or more embodiments, refer to Figure 4 The housing structure 10 also includes a cold plate 40. The cold plate 40 is located below the receiving cavity 11 to close the lower opening of the receiving cavity 11.

[0067] Reference Figure 4 The cold plate 40 can be disposed on the lower side of the receiving cavity 11 to close the lower opening of the receiving cavity 11 and provide temperature regulation. Of course, other components can also be disposed on the lower side of the receiving cavity 11 to provide, for example, scratch resistance, which will not be elaborated here. In the case of a C-shaped receiving section, the lower surface of the second wing W2 can provide an attachment surface for attaching to the cold plate 40. In the case of an inverted Z-shaped receiving section, the lower or upper surface of the second wing W2' can provide an attachment surface for attaching to the cold plate 40. The placement of the cold plate 40 facilitates the regulation of the temperature of the battery module 50 placed in the housing structure 10.

[0068] Therefore, the cold plate provides temperature regulation functionality.

[0069] According to one or more embodiments, refer to Figure 2 , Figure 4-5 and Figure 6 The box structure 10 also includes a horizontal roll reinforcing beam 32 and a vertical roll reinforcing beam 34, which are placed in the receiving cavity 11 and welded to the frame beam.

[0070] The transverse roll-pressed reinforcing beam 32 and the longitudinal roll-pressed reinforcing beam 34 can be disposed in the receiving cavity 11 to support the battery module 50 and to enhance the strength of the housing structure. The transverse roll-pressed reinforcing beam 32 and the longitudinal roll-pressed reinforcing beam 34 are steel beams and can be manufactured by extrusion followed by roll pressing, similar to the process used for roll-pressed frame beams. (Reference) Figure 2 , Figure 4-5 and Figure 6In the illustrated embodiment, during assembly, the two transverse roller reinforcing beams 32 and the two longitudinal roller reinforcing beams 34 can be attached together first, and then placed as a single piece within the receiving cavity 11 and correspondingly welded to the left side frame beam 12, the right side frame beam 14, the front side frame beam 16, and the left side frame beam 18. The configuration of the transverse roller reinforcing beams 32 and the longitudinal roller reinforcing beams 34 provides high structural strength to the housing structure 10 to securely support the battery module 50.

[0071] Therefore, the arrangement of transverse and longitudinal reinforcing beams provides high structural strength to the box structure.

[0072] According to one or more embodiments, refer to Figure 10 This disclosure provides an electrical device 100, which includes a battery device 1 according to this disclosure.

[0073] Electrical equipment can include, but is not limited to, electric toys, electric vehicles, electric cars, ships, spacecraft, etc. Electric toys can include stationary or mobile electric toys, such as game consoles, electric car toys, electric ship toys, and electric airplane toys, etc. Spacecraft can include airplanes, rockets, space shuttles, and spacecraft, etc. For example, vehicles can be gasoline-powered cars, natural gas-powered cars, or new energy vehicles. New energy vehicles can be pure electric vehicles, hybrid electric vehicles, or range-extended electric vehicles, etc.

[0074] Reference Figure 10 An electrical device 100 that uses a battery device 1 as a power source is provided. Figure 10 An electrical device 100, exemplified by a vehicle, is shown. A battery device 1 is installed inside the vehicle. The battery device 1 can supply power to the vehicle; for example, it can serve as the vehicle's operating power source. The vehicle may also include a controller 110 and a motor 120. The controller 110 controls the battery device 1 to supply power to the motor 120, for example, to meet the vehicle's power requirements during starting, navigation, and driving. In some embodiments of this disclosure, the battery device 1 can not only serve as the vehicle's operating power source but also as its driving power source, replacing or partially replacing fuel or natural gas to provide driving power to the vehicle.

[0075] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this disclosure, and not to limit them. Although this disclosure has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this disclosure, and they should all be covered within the scope of the claims and specification of this disclosure. In particular, as long as there is no structural conflict, the various technical features mentioned in the various embodiments can be combined in any way. This disclosure is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A battery device, characterized in that, The battery device has a box structure, which includes multiple integrally formed frame beams. The multiple frame beams are connected end to end to form an accommodating cavity with openings at the top and bottom. At least the left and right frame beams located on the left and right sides relative to the longitudinal center line of the box structure are configured with receiving parts with roll-formed slide rail structures. The slide rail structures are capable of receiving and attaching the slider parts of the hanging beams along the longitudinal extension direction of the frame beams.

2. The battery device according to claim 1, characterized in that, The receiving part is a C-shaped receiving part with a C-shaped cross section. The C-shaped receiving part includes an inner sidewall, a first wing and a second wing that extend vertically outward relative to the inner sidewall, and a first bending part and a second bending part that bend from the outer ends of the first wing and the second wing and extend toward each other. The C-shaped receiving part as a whole constitutes the slide rail structure.

3. The battery device according to claim 1, characterized in that, The receiving part is an inverted Z-shaped receiving part with an inverted Z-shaped cross section. The inverted Z-shaped receiving part includes an inner sidewall, a first wing extending outward perpendicularly relative to the inner sidewall, a second wing extending inward perpendicularly relative to the inner sidewall, and a first bent part that bends from the outer end of the first wing and extends downward. The inner sidewall, the first wing, and the first bent part constitute the slide rail structure.

4. The battery device according to any one of claims 1-3, characterized in that, The box structure also includes a left mounting beam and a right mounting beam. Both the left and right mounting beams have a main body and a slider portion extending perpendicular to the main body of the mounting beam. The shape of the slider portion is configured to match the shape of the slide rail structure.

5. The battery device according to claim 4, characterized in that, The left and right mounting beams are made of a different metal material than the frame beams.

6. The battery device according to claim 5, characterized in that, The frame beam is a steel frame beam, while the left and right mounting beams are aluminum mounting beams.

7. The battery device according to claim 5, characterized in that, The slider part is provided with at least one row of preset holes, and the slide rail structure and the slider part are attached by riveting through the at least one row of preset holes.

8. The battery device according to claim 7, characterized in that, The at least one row of preset holes includes two rows of preset holes disposed in the upper and lower portions of the slider relative to the main body of the mounting beam.

9. The battery device according to any one of claims 1-3, characterized in that, The housing structure also includes a cold plate, which is located on the lower side of the receiving cavity to close the lower opening of the receiving cavity.

10. The battery device according to any one of claims 1-3, characterized in that, The box structure also includes a horizontal roll reinforcing beam and a vertical roll reinforcing beam that are placed inside the receiving cavity and welded to the frame beam.

11. An electrical appliance, characterized in that, The electrical equipment includes a battery device according to any one of claims 1-10.

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