Battery devices and power-consuming devices

Abstract

The present application discloses a battery device and an electrical device, wherein the battery device includes a first box body; a first battery cell, which is arranged in the first box body; a first lining plate, which is arranged on a first module beam on the bottom surface of the first box body; a first avoidance groove is arranged on the first module beam, and the heat exchange tube in the first box body passes through the first avoidance groove, the first lining plate is connected to the first module beam, and the first lining plate blocks the first avoidance groove. In the above scheme provided by the present application, since the first lining plate is connected to the first module beam, the first lining plate also blocks the first avoidance groove, thereby improving the overall strength of the first module beam. At the same time, since the first lining plate blocks the first avoidance groove, when the first battery cell in the first box body expands, the first module beam can be prevented from being deformed under the resistance of the first lining plate, thereby effectively improving the overall strength of the first box body.

Description

Technical Field

[0001] The present application relates to the field of battery technology, and in particular to a battery device and an electrical device. Background Art

[0002] The battery generally includes a lower box body, a battery module accommodated in the lower box body, and a sealing cover disposed on an upper cover of the lower box body.

[0003] The lower box body in the related art has the problem of low strength during use. Summary of the invention

[0004] In view of the above problems, the present application provides a battery device and an electrical device, which can solve the problem of low strength of the lower box during use.

[0005] In order to solve the above technical problems, in a first aspect, the present application proposes a battery device, comprising:

[0006] The first box;

[0007] a first battery cell, the first battery cell being disposed in the first box;

[0008] A first lining plate, the first lining plate is arranged on a first module beam on the inner bottom surface of the first box body; and the first lining plate is located on the bottom surface of the first battery cell;

[0009] The first module beam is provided with a first avoidance groove, the heat exchange tube in the first box body passes through the first avoidance groove, the first lining plate is connected to the first module beam, and the first lining plate shields the first avoidance groove.

[0010] In the technical solution of the embodiment of the present application, after the heat exchange tube passes through the first avoidance groove at the first module beam on the first box body, the first lining plate is connected to the first module beam. At this time, the first lining plate blocks the first avoidance groove; in this way, since the first lining plate is connected to the first module beam, the first lining plate also blocks the first avoidance groove, thereby improving the overall strength of the first module beam. At the same time, since the first lining plate blocks the first avoidance groove, when the first battery cell in the first box body expands, the first module beam can be prevented from being deformed under the resistance of the first lining plate, thereby effectively improving the overall strength of the first box body.

[0011] In some embodiments, the battery device further comprises a first connecting member, and the first lining plate is connected to the first module beam via the first connecting member, so that it is convenient to connect the first lining plate to the first module beam.

[0012] In some embodiments, the battery device further comprises a first compression member, which is disposed on the first avoidance groove and is located between the first lining plate and the heat exchange tube. Thus, by disposing the first compression member between the first lining plate and the corresponding heat exchange tube, the heat exchange tube can be fastened to the first box body.

[0013] In some embodiments, the first lining plate is provided with an anti-corrosion layer on the side facing away from the first module beam, and the first module beam is provided with an anti-corrosion layer on the side facing away from the first lining plate. In this way, corrosion of the first lining plate on the side facing away from the first module beam and the first module beam on the side facing away from the first lining plate can be avoided.

[0014] In some embodiments, the first lining plate is a rigid structure, so that not only the strength of the first lining plate itself can be improved, but also the strength of the first module beam can be improved when the first lining plate is installed on the first module beam.

[0015] In some embodiments, the battery device further comprises a second lining plate, the second lining plate being disposed on a second module beam on the inner bottom surface of the first box body;

[0016] The second liner is located on the bottom surface of the first battery cell;

[0017] The second module beam is provided with a second avoidance groove, the heat exchange tube passes through the second avoidance groove, the second lining plate is connected to the second module beam, and the second lining plate blocks the second avoidance groove. In this way, after the heat exchange tube passes through the second avoidance groove at the second module beam on the first box body, the second lining plate is connected to the second module beam, and at this time, the second lining plate blocks the second avoidance groove; in this way, since the second lining plate is connected to the second module beam, the second lining plate also blocks the second avoidance groove, thereby improving the overall strength of the second module beam. At the same time, since the second lining plate blocks the second avoidance groove, when the first battery cell in the first box body expands, the second module beam can be prevented from being deformed under the resistance of the second lining plate, thereby effectively improving the overall strength of the first box body.

[0018] In some embodiments, the battery device further comprises a second connecting member, and the second lining plate is connected to the second module beam via the second connecting member, so that it is convenient to connect the second lining plate to the second module beam.

[0019] In some embodiments, the battery device further comprises a second compression member, which is disposed on the second avoidance groove and is located between the second lining plate and the heat exchange tube. Thus, by disposing the second compression member between the second lining plate and the corresponding heat exchange tube, the heat exchange tube can be fastened to the first box body.

[0020] In some embodiments, the second lining plate is provided with an anti-corrosion layer on the side facing away from the second module beam, and the second module beam is provided with an anti-corrosion layer on the side facing away from the second lining plate. In this way, corrosion of the side of the second lining plate facing away from the second module beam and the side of the second module beam facing away from the second lining plate can be avoided.

[0021] In some embodiments, the second lining plate is a rigid structure, so that not only the strength of the second lining plate itself can be improved, but also the strength of the second module beam can be improved when the second lining plate is installed on the second module beam.

[0022] In a second aspect, the present application proposes an electrical device, comprising a battery device as described in any one of the embodiments of the present application.

[0023] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the embodiments below. The accompanying drawings are only for the purpose of illustrating the embodiments and are not to be considered as limiting the present application. Moreover, the same reference numerals are used throughout the drawings to represent the same components. In the drawings:

[0025] Figure 1 A schematic diagram of the structure of an electric device provided in some embodiments of the present application;

[0026] Figure 2 A schematic diagram of the structure of a battery provided in some embodiments of the present application;

[0027] Figure 3 A schematic structural diagram of a first battery cell provided in some embodiments of the present application;

[0028] Figure 4 A schematic diagram of the structure of a first box provided in some embodiments of the present application;

[0029] Figure 5 A schematic diagram of the internal structure of a first box provided in some embodiments of the present application;

[0030] Figure 6 for Figure 5 Exploded diagram of

[0031] Figure 7 for Figure 6 Side view of

[0032] Figure 8 for Figure 6 A is an enlarged schematic diagram;

[0033] Fig. 9 for Figure 6 The enlarged schematic diagram of point B in FIG.

[0034] The reference numerals in the specific implementation manner are as follows:

[0035] 1000. Vehicles;

[0036] 100, battery; 200, controller; 300, motor;

[0037] 110, second box; 111, first part; 112, second part; 120, second battery cell; 121, housing; 122, end cover; 123, electrode assembly;

[0038] 10. first box body; 11. first module beam; 1101. first avoidance groove; 12. second module beam; 1201. second avoidance groove; 13. heat exchange tube; 14. first battery cell;

[0039] 20. First lining plate; 21. First connecting member; 22. Second lining plate; 23. Second connecting member; 24. First compression member; 25. Second compression member. DETAILED DESCRIPTION

[0040] The following embodiments of the technical solution of the present application are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0041] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions.

[0042] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is more than two, unless otherwise clearly and specifically defined.

[0043] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0044] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of the associated objects, indicating that there may be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0045] In the description of the embodiments of the present application, the term "multiple" refers to more than two (including two). Similarly, "multiple groups" refers to more than two groups (including two groups), and "multiple pieces" refers to more than two pieces (including two pieces).

[0046] In the description of the embodiments of the present application, the technical terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the embodiments of the present application.

[0047] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0048] At present, from the perspective of market development, the application of power batteries is becoming more and more extensive. Power batteries are not only used in energy storage power systems such as hydropower, thermal power, wind power and solar power stations, but also widely used in electric vehicles such as electric bicycles, electric motorcycles, electric cars, as well as military equipment and aerospace and other fields. With the continuous expansion of the application field of power batteries, the market demand is also constantly expanding.

[0049] In the related art, a battery generally comprises a lower box body, an upper cover and a battery module, wherein the upper cover is connected to the lower box body, and the battery module is arranged in an inner cavity formed by the connection between the upper cover and the lower box body.

[0050] The lower box is generally provided with a module beam inside. In order to facilitate the arrangement of the heat exchange tubes in the lower box, avoidance grooves are usually provided on the module beam, which will reduce the strength of the overall module beam and thus affect the strength of the lower box.

[0051] Based on the above considerations, in order to solve the problem of low strength of the module beam during use of the lower box, a battery device is designed, which includes a box, a battery cell and a first lining plate, wherein the battery cell is arranged in the box, and the first lining plate is arranged on the first module beam on the bottom surface of the inner side of the box; and the first lining plate is located on the bottom surface of the battery cell; a first avoidance groove is arranged on the first module beam, the heat exchange tube in the box passes through the first avoidance groove, the first lining plate is connected to the first module beam, and the first lining plate blocks the first avoidance groove.

[0052] When in use, after the heat exchange tubes are installed on the bottom surface of the box body, at least part of the heat exchange tubes pass through the first avoidance groove on the first module beam. After the heat exchange tubes are arranged, the first lining plate is installed on the first module beam. In this way, since the first lining plate is connected to the first module beam, the first lining plate also blocks the first avoidance groove, thereby improving the overall strength of the first module beam. At the same time, since the first lining plate blocks the first avoidance groove, when the battery cell in the box body expands, the first module beam can be prevented from being deformed under the resistance of the first lining plate, effectively improving the overall strength of the box body.

[0053] The battery device in this application refers to a single physical module that includes one or more battery cells to provide higher voltage and capacity. For example, the battery mentioned in this application may include a battery pack, etc. The battery can be used as a power source or power system for an electrical device, which is conducive to improving the overall performance of the battery and facilitating the promotion of the battery.

[0054] The above-mentioned electrical devices may be, but are not limited to, mobile phones, tablets, laptop computers, electric toys, electric tools, battery cars, electric cars, ships, spacecraft, etc. Among them, electric toys may include fixed or mobile electric toys, such as game consoles, electric car toys, electric ship toys, and electric airplane toys, etc., and spacecraft may include airplanes, rockets, space shuttles, and spacecraft, etc.

[0055] For the convenience of description, the following embodiments are described by taking a vehicle 1000 as an example of an electrical device according to an embodiment of the present application.

[0056] Please refer to Figure 1, Figure 1 A schematic diagram of the structure of a vehicle 1000 provided for some embodiments of the present application. The vehicle 1000 may be a fuel vehicle, a gas vehicle or a new energy vehicle, and the new energy vehicle may be a pure electric vehicle, a hybrid vehicle or an extended-range vehicle, etc. A battery 100 is provided inside the vehicle 1000, and the battery 100 may be provided at the bottom, head or tail of the vehicle 1000. The battery 100 may be used to power the vehicle 1000, for example, the battery 100 may be used as an operating power source for the vehicle 1000. The vehicle 1000 may also include a controller 200 and a motor 300, and the controller 200 is used to control the battery 100 to power the motor 300, for example, for starting, navigating and driving the vehicle 1000.

[0057] In some embodiments of the present application, the battery 100 can not only serve as an operating power source for the vehicle 1000, but also serve as a driving power source for the vehicle 1000, replacing or partially replacing fuel or natural gas to provide driving power for the vehicle 1000.

[0058] Please refer to Figure 2 , Figure 2 An exploded view of a battery 100 provided in some embodiments of the present application. The battery 100 includes a second box body 110 and a second battery cell 120, and the second battery cell 120 is accommodated in the second box body 110. Among them, the second box body 110 is used to provide a storage space for the second battery cell 120, and the second box body 110 can adopt a variety of structures. In some embodiments, the second box body 110 may include a first part 111 and a second part 112, and the first part 111 and the second part 112 cover each other, and the first part 111 and the second part 112 jointly define a storage space for accommodating the second battery cell 120. The second part 112 may be a hollow structure with one end open, and the first part 111 may be a plate-like structure, and the first part 111 covers the open side of the second part 112, so that the first part 111 and the second part 112 jointly define a storage space; the first part 111 and the second part 112 may also be hollow structures with one side open, and the open side of the first part 111 covers the open side of the second part 112. Of course, the second box body 110 formed by the first part 111 and the second part 112 can be in various shapes, such as a cylinder, a cuboid, etc.

[0059] In the battery 100, there may be a plurality of second battery cells 120, and the plurality of second battery cells 120 may be connected in series, in parallel, or in a mixed connection. A mixed connection means that the plurality of second battery cells 120 are both connected in series and in parallel. The plurality of second battery cells 120 may be directly connected in series, in parallel, or in a mixed connection, and then the whole formed by the plurality of second battery cells 120 is accommodated in the second box 110; of course, the battery 100 may also be a battery module formed by first connecting the plurality of second battery cells 120 in series, in parallel, or in a mixed connection, and then the plurality of battery modules are connected in series, in parallel, or in a mixed connection to form a whole, and then accommodated in the second box 110. The battery 100 may also include other structures, for example, the battery 100 may also include a busbar component for realizing electrical connection between the plurality of second battery cells 120.

[0060] Each second battery cell 120 may be a secondary battery or a primary battery, or a lithium-sulfur battery, a sodium-ion battery or a magnesium-ion battery, but is not limited thereto. The second battery cell 120 may be cylindrical, flat, rectangular or in other shapes.

[0061] like Figure 3 As shown, the second battery cell 120 may include a housing, an electrode assembly 123 and an electrode terminal. The housing includes a shell 121 and an end cap 122. The shell 121 has an opening, and the end cap 122 closes the opening to isolate the internal environment of the second battery cell 120 from the external environment.

[0062] The shell 121 is a component used to cooperate with the end cap 122 to form the internal environment of the second battery cell 120, wherein the formed internal environment can be used to accommodate the electrode assembly 123, the electrolyte and other components. The shell 121 and the end cap 122 can be independent components. The shell 121 can be of various shapes and sizes. Specifically, the shape of the shell 121 can be determined according to the specific shape and size of the electrode assembly 123. The material of the shell 121 can be various, such as copper, iron, aluminum, stainless steel, aluminum alloy, plastic, etc.

[0063] The end cap 122 refers to a component that covers the opening of the shell 121 to isolate the internal environment of the second battery cell 120 from the external environment. Without limitation, the shape of the end cap 122 can be adapted to the shape of the shell 121 to match the shell 121. Optionally, the end cap 122 can be made of a material with a certain hardness and strength (such as aluminum alloy), so that the end cap 122 is not easily deformed when squeezed and collided, so that the second battery cell 120 can have a higher structural strength and reliability can also be improved. Functional components such as electrode terminals can be provided on the end cap 122. The electrode terminal can be used to electrically connect to the electrode assembly 123 for outputting or inputting electrical energy of the second battery cell 120. The material of the end cap 122 can also be a variety of materials, such as copper, iron, aluminum, stainless steel, aluminum alloy, plastic, etc., and the embodiments of the present application do not impose any special restrictions on this. In some embodiments, an insulating structure may be provided inside the end cap 122, and the insulating structure may be used to isolate the electrical connection components in the housing 121 from the end cap 122 to reduce the risk of short circuit. For example, the insulating structure may be plastic, rubber, or the like.

[0064] The electrode assembly 123 is a component in the second battery cell 120 where an electrochemical reaction occurs. One or more electrode assemblies 123 may be included in the housing 121. The electrode assembly 123 is mainly formed by winding or stacking the positive electrode sheet and the negative electrode sheet, and a separator is usually provided between the positive electrode sheet and the negative electrode sheet, and the separator is used to separate the positive electrode sheet and the negative electrode sheet to avoid short circuit between the positive electrode sheet and the negative electrode sheet. The parts of the positive electrode sheet and the negative electrode sheet with active materials constitute the main body of the electrode assembly 123, and the parts of the positive electrode sheet and the negative electrode sheet without active materials each constitute the pole ear. The positive pole ear and the negative pole ear may be located at one end of the main body or at both ends of the main body respectively. During the charge and discharge process of the battery 100, the positive active material and the negative active material react with the electrolyte, and the pole ear connects the electrode terminal to form a current loop. In addition, the electrode assembly 123 may be a winding structure or a laminated structure.

[0065] According to some embodiments of the present application, Figure 4 This is a schematic diagram of the structure of the first box in this application. Figure 5 This is a schematic diagram of the internal structure of the first box in this application; Figure 6 This is a schematic diagram of the explosion structure of the first box in this application. Figure 7 This is a side view of the first box in this application. Figure 4 Combined with Figure 5 , Figure 6 , Figure 7As shown, the present application provides a battery device, a first box body 10, a first battery cell 14 and a first lining plate 20, wherein the first battery cell 14 is arranged in the first box body 10; the first lining plate 20 is arranged on the first module beam 11 on the inner bottom surface of the first box body 10; and the first lining plate 20 is located on the bottom surface of the first battery cell 14; a first avoidance groove 1101 is arranged on the first module beam 11, the heat exchange tube 13 in the first box body 10 passes through the first avoidance groove 1101, the first lining plate 20 is connected to the first module beam 11, and the first lining plate 20 blocks the first avoidance groove 1101.

[0066] In the present embodiment, the upper side of the first box body 10 is an open structure, and the first box body 10 may be a cuboid, a cylinder, etc., and the specific shape may be determined according to actual conditions, and the present specification does not limit this.

[0067] In this embodiment, the first lining plate 20 can be connected to the first module beam 11 by bolts, or the first lining plate 20 can be clamped on the first module beam 11. The specific method can be determined according to actual conditions, and this embodiment of the specification does not limit this.

[0068] In this embodiment, the length and width of the first lining plate 20 correspond to the length and width of the first module beam 11. Of course, it can be understood that the length and width of the first lining plate 20 can also be greater than the length and width of the first module beam 11. The specific length and width can be determined based on actual conditions, and this specification does not limit this.

[0069] During installation, the first box body 10 is connected to the first module beam 11, and the first module beam 11 is provided with a first avoidance groove 1101 for the heat exchange tube 13 to pass through. When the heat exchange tube 13 is installed to the bottom surface of the first box body 10, at least part of the heat exchange tube 13 passes through the first avoidance groove 1101. After the heat exchange tube 13 is arranged, the first lining plate 20 is connected to the upper surface of the first module beam 11, and at this time, the first lining plate 20 blocks the first avoidance groove 1101.

[0070] In the technical solution of the embodiment of the present application, after the heat exchange tube 13 passes through the first avoidance groove 1101 at the first module beam 11 on the first box body 10, the first lining plate 20 is connected to the first module beam 11. At this time, the first lining plate 20 is shielded on the first avoidance groove 1101; in this way, since the first lining plate 20 is connected to the first module beam 11, the first lining plate 20 is also shielded on the first avoidance groove 1101, thereby improving the overall strength of the first module beam 11. At the same time, since the first lining plate 20 is shielded on the first avoidance groove 1101, when the first battery cell 14 in the first box body 10 expands, the first module beam 11 can be prevented from being deformed under the resistance of the first lining plate 20, thereby effectively improving the overall strength of the first box body 10.

[0071] According to some embodiments of the present application, Figure 8 As shown, the battery device further includes a first connecting member 21 , wherein the first lining plate 20 is connected to the first module beam 11 via the first connecting member 21 .

[0072] In this embodiment, the first connecting member 21 can be a bolt, a double-layer rivet nut, a blind rivet, etc. The specific one can be determined according to actual conditions, and this embodiment of the specification does not limit this.

[0073] In this embodiment, the first lining plate 20 can be conveniently fixed to the first module beam 11 through the first connecting member 21. At the same time, after the first lining plate 20 is fixed to the first module beam 11 through the first connecting member 21, since the first module beam 11 itself is integrally formed with the first box body 10, the first lining plate 20 can be fixed to the first box body 10, thereby improving the strength of the entire first box body 10.

[0074] According to some embodiments of the present application, Figure 8 As shown, the battery device further includes a first compression member 24 , which is disposed on the first avoidance groove 1101 , and the first compression member 24 is located between the first lining plate 20 and the heat exchange tube 13 .

[0075] In this embodiment, the first compression member 24 may be foam, an elastic pad, a rubber pad, etc. The specific amount may be determined according to actual conditions, and this embodiment of the specification does not limit this.

[0076] When the first lining plate 20 is connected to the first module beam 11, at this time, there is a gap between the heat exchange tube 13 in the first avoidance groove 1101 on the first module beam 11 and the first lining plate 20. The first compression member 24 is set between the first lining plate 20 and the corresponding heat exchange tube 13 to fill the gap between the first lining plate 20 and the corresponding heat exchange tube 13. In this way, under the action of the first compression member 24, the heat exchange tube 13 can be stably placed on the first box body 10.

[0077] According to some embodiments of the present application, an anti-corrosion layer is provided on a side of the first lining plate 20 facing away from the first module beam 11 , and an anti-corrosion layer is provided on a side of the first module beam 11 facing away from the first lining plate 20 .

[0078] The anti-corrosion layer in this embodiment can be a paint layer, electrophoretic paint, etc. The specific one can be determined according to actual conditions, and this specification embodiment does not limit this.

[0079] In this embodiment, an anti-corrosion layer is provided on the side of the first lining plate 20 away from the first module beam 11, and an anti-corrosion layer is provided on the side of the first module beam 11 away from the first lining plate 20. In this way, corrosion of the side of the first lining plate 20 away from the first module beam 11 and corrosion of the side of the first module beam 11 away from the first lining plate 20 can be avoided.

[0080] According to some embodiments of the present application, the first lining plate 20 is a rigid structure.

[0081] The first lining plate 20 in the present embodiment can be a steel plate, an alloy plate, etc., and the specific one can be determined according to the actual situation, and the present specification embodiment does not limit this.

[0082] Since the first lining plate 20 is a rigid structure, not only the strength of the first lining plate 20 itself can be improved, but also the strength of the first module beam 11 can be improved when the first lining plate 20 is installed on the first module beam 11.

[0083] According to some embodiments of the present application, Fig. 9 As shown, the battery device also includes a second lining plate 22, which is arranged on the second module beam 12 on the inner bottom surface of the first box body 10; the second lining plate 22 is located on the bottom surface of the first battery cell 14; a second avoidance groove 1201 is arranged on the second module beam 12, the heat exchange tube 13 passes through the second avoidance groove 1201, the second lining plate 22 is connected to the second module beam 12, and the second lining plate 22 blocks the second avoidance groove 1201.

[0084] In this embodiment, the second lining plate 22 can be connected to the second module beam 12 by bolts, or the second lining plate 22 can be clamped on the second module beam 12. The specific method can be determined according to actual conditions, and this specification embodiment does not limit this.

[0085] In this embodiment, the length and width of the second lining plate 22 correspond to the length and width of the second module beam 12. Of course, it can be understood that the length and width of the second lining plate 22 can also be greater than the length and width of the second module beam 12. The specific length and width can be determined based on actual conditions, and this specification does not limit this.

[0086] During installation, the first box body 10 is connected to the second module beam 12, and the second module beam 12 is provided with a second avoidance groove 1201 for the heat exchange tube 13 to pass through. When the heat exchange tube 13 is installed to the bottom surface of the first box body 10, at least part of the heat exchange tube 13 passes through the second avoidance groove 1201. After the heat exchange tube 13 is arranged, the second lining plate 22 is connected to the upper surface of the second module beam 12, and at this time, the second lining plate 22 blocks the second avoidance groove 1201.

[0087] In this way, since the second lining plate 22 is connected to the second module beam 12, the second lining plate 22 also blocks the second avoidance groove 1201, thereby improving the overall strength of the second module beam 12. At the same time, since the second lining plate 22 blocks the second avoidance groove 1201, when the first battery cell 14 in the first box body 10 expands, the second module beam 12 can be prevented from being deformed under the resistance of the second lining plate 22, thereby effectively improving the overall strength of the first box body 10.

[0088] According to some embodiments of the present application, Fig. 9 As shown, the battery device further includes a second connecting member 23 , and the second lining plate 22 is connected to the second module beam 12 via the second connecting member 23 .

[0089] In this embodiment, the second connecting member 23 can be a bolt, a double-layer rivet nut, a blind rivet, etc. The specific one can be determined according to actual conditions, and this embodiment of the specification does not limit this.

[0090] In this embodiment, the second lining plate 22 can be conveniently fixed to the second module beam 12 through the second connecting member 23. At the same time, after the second lining plate 22 is fixed to the second module beam 12 through the second connecting member 23, since the second module beam 12 itself is integrally formed with the first box body 10, the second lining plate 22 can be fixed to the first box body 10, thereby improving the strength of the entire first box body 10.

[0091] According to some embodiments of the present application, Fig. 9 As shown, the battery device further includes a second compression member 25 , which is disposed on the second avoidance groove 1201 , and the second compression member 25 is located between the second lining plate 22 and the heat exchange tube 13 .

[0092] In this embodiment, the second compression member 25 may be foam, elastic pad, rubber pad, etc. The specific one may be determined according to actual conditions, and this embodiment of the specification does not limit this.

[0093] When the second lining plate 22 is connected to the second module beam 12, at this time, there is a gap between the heat exchange tube 13 in the second avoidance groove 1201 on the second module beam 12 and the second lining plate 22. The second compression component 25 is set between the second lining plate 22 and the corresponding heat exchange tube 13 to fill the gap between the second lining plate 22 and the corresponding heat exchange tube 13. In this way, under the action of the second compression component 25, the heat exchange tube 13 can be stably placed on the first box body 10.

[0094] According to some embodiments of the present application, an anti-corrosion layer is provided on a side of the second lining plate 22 facing away from the second module beam 12 , and an anti-corrosion layer is provided on a side of the second module beam 12 facing away from the second lining plate 22 .

[0095] The anti-corrosion layer in this embodiment can be a paint layer, electrophoretic paint, etc. The specific one can be determined according to actual conditions, and this specification embodiment does not limit this.

[0096] In this embodiment, an anti-corrosion layer is provided on the side of the second lining plate 22 away from the second module beam 12, and an anti-corrosion layer is provided on the side of the second module beam 12 away from the second lining plate 22. In this way, corrosion of the side of the second lining plate 22 away from the second module beam 12 and the side of the second module beam 12 away from the second lining plate 22 can be avoided.

[0097] According to some embodiments of the present application, the second lining plate 22 is a rigid structure.

[0098] The second lining plate 22 in the present embodiment can be a steel plate, an alloy plate, etc., and the specific one can be determined according to the actual situation, and the present specification embodiment does not limit this.

[0099] Since the second lining plate 22 is a rigid structure, not only the strength of the second lining plate 22 itself can be improved, but also the strength of the second module beam 12 can be improved when the second lining plate 22 is installed on the second module beam 12.

[0100] The present application also provides an electrical device, comprising a battery device as described in any one of the embodiments of the present application.

[0101] The specific structure of the battery device in this embodiment refers to the above embodiment. Since all the technical solutions of all the above embodiments are adopted in this electrical device, it has at least all the beneficial effects brought by the technical solutions of the above embodiments, which will not be described one by one here.

[0102] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should all be included in the scope of the claims and specification of the present application. 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. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

Claims

1. A battery device, characterized in that: include: The first box; a first battery cell, the first battery cell being disposed in the first box; A first lining plate, wherein the first lining plate is a rigid structure; the first lining plate is disposed on a first module beam on the inner bottom surface of the first box body; and the first lining plate is located on the bottom surface of the first battery cell; The first module beam is provided with a first avoidance groove, the heat exchange tube in the first box body passes through the first avoidance groove, the first lining plate is connected to the first module beam, and the first lining plate shields the first avoidance groove.

2. The battery device according to claim 1, characterized in that: The battery device also includes a first connecting member, and the first lining plate is connected to the first module beam through the first connecting member.

3. The battery device according to claim 2, characterized in that: The battery device further includes a first compression member, which is disposed on the first avoidance groove and is located between the first lining plate and the heat exchange tube.

4. The battery device according to claim 1, characterized in that: An anti-corrosion layer is provided on the side of the first lining plate facing away from the first module beam, and an anti-corrosion layer is provided on the side of the first module beam facing away from the first lining plate.

5. The battery device according to claim 1, characterized in that: The battery device further comprises a second lining plate, which is arranged on a second module beam on the inner bottom surface of the first box body; The second liner is located on the bottom surface of the first battery cell; The second module beam is provided with a second avoidance groove, the heat exchange tube passes through the second avoidance groove, the second lining plate is connected to the second module beam, and the second lining plate shields the second avoidance groove.

6. The battery device according to claim 5, characterized in that: The battery device also includes a second connecting member, and the second lining plate is connected to the second module beam via the second connecting member.

7. The battery device according to claim 6, characterized in that: The battery device further includes a second compression member, which is disposed on the second avoidance groove and is located between the second lining plate and the heat exchange tube.

8. The battery device according to claim 5, characterized in that: An anti-corrosion layer is provided on the side of the second lining plate facing away from the second module beam, and an anti-corrosion layer is provided on the side of the second module beam facing away from the second lining plate.

9. The battery device according to any one of claims 5 to 8, characterized in that: The second lining plate is a rigid structure.

10. An electrical device, characterized in that: Comprising the battery device according to any one of claims 1 to 9.

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