Battery assembly and vehicle with same

Abstract

The utility model discloses a battery assembly and a vehicle with the battery assembly, and the battery assembly comprises a connecting plate which is provided with a mounting surface; the number of the cross beams is multiple, the multiple cross beams are arranged on the mounting surface at intervals, a battery mounting cavity is defined between every two adjacent cross beams, and a first fixing part is arranged on the inner wall of each battery mounting cavity; a second fixing part is arranged on at least part of the periphery of the battery, and the first fixing part and the second fixing part are matched to limit the battery in the battery mounting cavity. According to the battery assembly designed by the utility model, the first fixing part is arranged on the inner wall of the battery mounting cavity, the second fixing part is arranged on at least part of the peripheral wall of the battery, and the first fixing part and the second fixing part are matched to enable the battery to be stably limited in the battery mounting cavity, so that the pole of the battery can stably abut against the integrated mother board; and use of structural adhesive is avoided.

Description

Technical Field

[0001] The utility model relates to the field of batteries, in particular to a battery assembly and a vehicle having the same. Background Art

[0002] In the related art, a battery assembly includes an integrated motherboard, a frame and batteries. Multiple batteries are arranged in the frame. The integrated motherboard is arranged in the frame and connected to the batteries. The integrated motherboard can connect multiple batteries in series and / or in parallel. In the prior art, multiple batteries are respectively connected to the integrated motherboard through structural adhesives. The structural adhesive will reduce the assembly efficiency of the battery assembly. At the same time, when the battery assembly fails and the failed battery needs to be replaced, the structural adhesive will increase the difficulty of replacing the battery and reduce the maintenance efficiency of the battery assembly. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, one purpose of the utility model is to propose a battery assembly. According to the battery assembly designed by the utility model, a first fixing part is provided on the inner wall of the battery installation cavity, and a second fixing part is provided on at least part of the outer peripheral wall of the battery. The first fixing part cooperates with the second fixing part to allow the battery to be stably limited in the battery installation cavity, so that the battery pole can stably stop against the integrated motherboard, avoiding the use of structural adhesive.

[0004] The utility model also provides a vehicle with the battery assembly.

[0005] According to the utility model, the battery assembly includes: a connecting plate, which is provided with a mounting surface; a cross beam, which is constructed in plurality, and the plurality of cross beams are arranged at intervals on the mounting surface, and a battery mounting cavity is defined between two adjacent cross beams, and the inner wall of the battery mounting cavity is provided with a first fixing portion; a battery, and at least a portion of the outer periphery of the battery is provided with a second fixing portion, and the first fixing portion cooperates with the second fixing portion to limit the battery in the battery mounting cavity; wherein the first fixing portion is constructed as a limiting groove, and the second fixing portion is constructed as a limiting block arranged on the outer peripheral wall of the battery, and the limiting block can be slidably arranged in the limiting groove; or the first fixing portion is constructed as a limiting block, and the outer peripheral wall of the battery forms a limiting groove, and the limiting groove is constructed as the second fixing portion, and the limiting block can be slidably arranged in the limiting groove

[0006] According to the battery assembly of the utility model, a first fixing portion is provided on the inner wall of the battery installation cavity, and at least a portion of the outer peripheral wall of the battery is provided with a second fixing portion that cooperates with the first fixing portion. The first fixing portion cooperates with the second fixing portion to stably limit the battery in the battery installation cavity, so that the battery pole can stably stop against the integrated motherboard, avoiding the use of structural adhesive, improving the disassembly and assembly efficiency of the battery, thereby improving the assembly efficiency and maintenance efficiency of the battery assembly.

[0007] According to some embodiments of the utility model, the cross beam extends in a first direction, a plurality of the cross beams are spaced apart on the mounting surface in a second direction, at least one of two adjacent cross beams is formed with the limiting groove, the extension direction of the limiting groove is parallel to the extension direction of the cross beam, and at least one end of the battery mounting cavity in the first direction is open.

[0008] According to some embodiments of the present invention, the battery has electrodes, the electrodes are arranged toward the mounting surface, and electrical connectors connected to each other are arranged on the mounting surface, and the electrical connectors are suitable for abutting against the electrodes.

[0009] According to some embodiments of the utility model, the battery has an electrode, the electrode is arranged toward the crossbeam, and the surface of the crossbeam facing the battery installation cavity is provided with electrical connectors connected to each other, and the electrical connectors are suitable for abutting against the electrode.

[0010] According to some embodiments of the present invention, an explosion-proof valve is provided on a surface of the battery facing away from the mounting surface.

[0011] According to some embodiments of the present invention, it further includes: an end plate, wherein the end plate is connected to the connecting plate and / or the cross beam to close the open mouth of the battery installation cavity.

[0012] According to some embodiments of the present invention, it further includes: a cover plate, which is arranged at one end of the beam away from the connecting plate.

[0013] According to some embodiments of the present invention, it further includes: a cooling plate, wherein the cooling plate is arranged on a side of the connecting plate away from the mounting surface.

[0014] According to some embodiments of the present invention, it further includes: a bottom guard plate, which is connected to the cooling plate and is arranged on a side of the cooling plate away from the connecting plate.

[0015] A vehicle according to another embodiment of the present invention will be briefly described below.

[0016] The vehicle according to the utility model includes the battery assembly described in any one of the above embodiments. Since the vehicle according to the utility model is provided with the battery assembly of the above embodiments, the vehicle has high production efficiency and high maintenance efficiency.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 is a cross-sectional view of a battery assembly according to an embodiment of the utility model;

[0020] Figure 2 is a top view of a battery assembly according to an embodiment of the utility model;

[0021] Figure 3 It is a schematic diagram of the connection of the connecting plate, the cooling plate and the bottom guard plate according to an embodiment of the utility model;

[0022] Figure 4 It is a schematic diagram of the battery and the integrated motherboard corresponding to the embodiment of the utility model.

[0023] Reference numerals: 1. battery assembly;

[0024] 10. Connecting plate; 20. Crossbeam; 21. Limiting groove;

[0025] 30. Battery; 31. Limit block; 32. Electrode; 33. Explosion-proof valve;

[0026] 40. End plate; 50. Cooling plate; 60. Bottom guard plate; 70. Integrated motherboard. DETAILED DESCRIPTION

[0027] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, 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 present invention.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0030] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" 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, an electrical connection, or can communicate with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0032] In the related art, a battery assembly includes an integrated motherboard, a frame and batteries. Multiple batteries are arranged in the frame. The integrated motherboard is arranged in the frame and connected to the batteries. The integrated motherboard can connect multiple batteries in series and / or in parallel. In the prior art, multiple batteries are respectively connected to the integrated motherboard through structural adhesives. The structural adhesive will reduce the assembly efficiency of the battery assembly. At the same time, when the battery assembly fails and the failed battery needs to be replaced, the structural adhesive will increase the difficulty of replacing the battery and reduce the maintenance efficiency of the battery assembly.

[0033] Reference below Figure 1-Figure 4 A battery assembly 1 according to an embodiment of the present invention is described.

[0034] like Figure 1-Figure 4 As shown, according to the utility model, the battery assembly 1 includes: a connecting plate 10, a cross beam 20 and a battery 30, the connecting plate 10 is provided with a mounting surface, the cross beam 20 is constructed in multiple numbers, and the multiple cross beams 20 are arranged at intervals on the mounting surface, and a battery mounting cavity is defined between two adjacent cross beams 20, the inner wall of the battery mounting cavity is provided with a first fixing portion, and at least part of the periphery of the battery 30 is provided with a second fixing portion, and the first fixing portion cooperates with the second fixing portion to limit the battery 30 in the battery mounting cavity; wherein the first fixing portion is constructed as a limiting groove 21, and the second fixing portion is constructed as a limiting block 31 arranged on the outer peripheral wall of the battery 30, and the limiting block 31 can be slidably arranged in the limiting groove 21; or the first fixing portion is constructed as a limiting block 31, and the outer peripheral wall of the battery 30 forms a limiting groove 21, and the limiting groove 21 is constructed as a second fixing portion, and the limiting block 31 can be slidably arranged in the limiting groove 21.

[0035] In some embodiments, the connecting plate 10 is provided with a mounting surface, on which a plurality of spaced-apart beams 20 are provided, a battery mounting cavity is defined between two adjacent beams 20, a limiting groove 21 is formed on the inner wall of the battery mounting cavity, a limiting block 31 is provided on at least part of the periphery of the battery 30, the limiting block 31 is received in the limiting groove 21 and can limit the battery 30 in the battery 30 mounting groove, thereby improving the installation stability of the battery 30; in other embodiments, a limiting block 31 is formed on the inner wall of the battery mounting cavity, a limiting groove 21 is provided on at least part of the periphery of the battery 30, the limiting block 31 is received in the limiting groove 21 and can limit the battery 30 in the battery 30 mounting groove, thereby improving the installation stability of the battery 30.

[0036] It is understandable that in order to allow the poles of the battery 30 to stably stop against the integrated motherboard 70, the battery 30 is usually connected to the integrated motherboard 70 through structural adhesive. In the battery assembly 1 of the present application, the integrated motherboard 70 and the connecting plate 10 can be a whole. Of course, the integrated motherboard 70 can be set on the installation surface. The first fixing portion cooperates with the second fixing portion to limit the battery 30 in the battery installation cavity, so that the poles of the battery 30 can stably stop against the integrated motherboard 70, avoiding the use of structural adhesive, improving the assembly efficiency of the battery 30, and thus improving the production efficiency of the battery assembly 1. At the same time, when one or more batteries 30 fail, the second fixing portion of the failed battery 30 can be removed by releasing the cooperation with the first fixing portion, and the battery 30 can be replaced efficiently, which improves the maintenance efficiency of the battery assembly 1. It is worth mentioning that the cross-section of the battery 30 can be square, circular or other shapes, which are not limited here.

[0037] According to the battery assembly 1 involved in the utility model, a first fixing portion is provided on the inner wall of the battery installation cavity, and at least a part of the outer peripheral wall of the battery 30 is provided with a second fixing portion cooperating with the first fixing portion, the first fixing portion cooperates with the second fixing portion to stably limit the battery 30 in the battery installation cavity, so that the pole of the battery 30 can stably stop against the integrated motherboard 70, avoiding the use of structural adhesive, improving the disassembly and assembly efficiency of the battery 30, thereby improving the assembly efficiency of the battery assembly 1 and the maintenance efficiency of the battery assembly 1.

[0038] According to some embodiments of the present invention, Figure 1-Figure 4 As shown, the beam 20 extends in the first direction, and multiple beams 20 are arranged at intervals on the mounting surface in the second direction. At least one of two adjacent beams 20 forms a limiting groove 21, and the extension direction of the limiting groove 21 is parallel to the extension direction of the beam 20. At least one end of the battery mounting cavity in the first direction is open.

[0039] In some embodiments, a plurality of beams 20 extend in the first direction and are spaced apart in the second direction, and a battery installation cavity with at least one end in the first direction open is defined between two adjacent beams 20. One of the two adjacent beams 20 has a limiting groove 21 formed on the surface facing the other beam 20, and the limiting groove 21 extends in the first direction to communicate with the open opening of the battery installation cavity, thereby, when assembling the battery 30, the plurality of batteries 30 are sequentially installed from the open opening into the battery installation cavity, thereby improving the assembly efficiency of the battery 30. In other embodiments, the surfaces of two adjacent beams 20 facing each other are both formed with limiting grooves 21, thereby, the installation stability of the battery 30 can be further improved through the above-mentioned arrangement.

[0040] According to some embodiments of the present invention, Figure 1-Figure 4As shown, the battery 30 has an electrode 32, which is arranged toward the mounting surface, and the mounting surface is provided with electrical connectors connected to each other, and the electrical connectors are suitable for abutting against the electrode 32. In some embodiments, the battery 30 has an electrode 32, and the electrode 32 is configured as the pole, and the electrode 32 is arranged toward the mounting surface, and the mounting surface is provided with a plurality of electrical connectors connected to each other, and the electrodes 32 of the plurality of batteries 30 are respectively abutted against the plurality of electrical connectors, thereby, the electrical connectors can connect the plurality of batteries 30 in series and / or in parallel, so that the functions of the connecting plate 10 are more abundant. It is worth mentioning that in the above-mentioned embodiment, the surface of the beam 20 facing the battery mounting cavity can form a limiting groove 21, thereby, the limiting block 31 of the outer peripheral wall of the battery 30 is accommodated in the limiting groove 21 to prevent the electrode 32 of the battery 30 from being separated from the electrical connector.

[0041] According to some embodiments of the present invention, Figure 1-Figure 4 As shown, the battery 30 has an electrode 32, and the electrode 32 is arranged toward the crossbeam 20. The surface of the crossbeam 20 facing the battery installation cavity is provided with mutually connected electrical connectors, and the electrical connectors are suitable for abutting against the electrode 32. It can be understood that the electrode 32 is constructed as the pole, and the surface of the crossbeam 20 facing the battery installation cavity is provided with a plurality of mutually connected electrical connectors, and the electrodes 32 of the plurality of batteries 30 are respectively abutted against the plurality of electrical connectors, thereby, the electrical connectors can connect the plurality of batteries 30 in series and / or in parallel, enriching the function of the crossbeam 20. It is worth mentioning that in the above-mentioned embodiment, the mounting surface can be formed with a limiting groove 21, thereby, the limiting block 31 of the outer peripheral wall of the battery 30 is accommodated in the limiting groove 21 to prevent the electrode 32 of the battery 30 from being separated from the electrical connector.

[0042] According to some embodiments of the present invention, Figure 1-Figure 4 As shown, the surface of the battery 30 away from the mounting surface is provided with an explosion-proof valve 33. It can be understood that when the battery 30 thermally runs away, high-temperature gas will be generated inside the battery 30, and the high-temperature gas will be discharged from the battery 30 through the explosion-proof valve 33. The explosion-proof valve 33 is provided on the surface of the battery 30 away from the mounting surface to allow the high-temperature gas to be discharged from the surface of the battery 30 away from the mounting surface, thereby avoiding contact between the high-temperature gas and the electrode 32 of the battery 30, thereby improving the safety factor of the battery assembly 1.

[0043] According to some embodiments of the present invention, Figure 1-Figure 4 As shown, the battery assembly 1 also includes: an end plate 40, which is connected to the connecting plate 10 and / or the cross beam 20 to close the open mouth of the battery installation cavity. It can be understood that the end plate 40 is arranged at the open mouth and is suitable for closing the open mouth to prevent the battery 30 from escaping from the battery installation cavity from the open mouth, so that the battery 30 can be stably accommodated in the battery installation cavity, and when disassembling the battery 30, the end plate 40 can be removed to allow the battery 30 to slide out of the open mouth, thereby improving the disassembly and assembly efficiency of the battery 30.

[0044] According to some embodiments of the present invention, Figure 1-Figure 4 As shown, the battery assembly 1 also includes: a cover plate, which is arranged at the end of the beam 20 away from the connecting plate 10. It can be understood that the cover plate is connected to the end of the beam 20 away from the connecting plate 10, and the cover plate is suitable for closing the battery installation cavity to prevent the battery 30 from contacting the external environment.

[0045] According to some embodiments of the present invention, Figure 1-Figure 4 As shown, the battery assembly 1 also includes: a cooling plate 50, which is arranged on the side of the connecting plate 10 away from the mounting surface. It can be understood that the cooling plate 50 is in contact with the battery 30 through the connecting plate 10. When the external ambient temperature is too high or the operating temperature of the battery 30 is high, the cooling plate 50 is suitable for cooling the battery 30 to ensure the normal operation of the battery 30; when the external ambient temperature is too low, the cooling plate 50 is suitable for heating the battery 30 to improve the cold start capability of the battery assembly 1.

[0046] According to some embodiments of the present invention, Figure 1-Figure 4 As shown, the battery assembly 1 also includes: a bottom guard plate 60, which is connected to the cooling plate 50, and the bottom guard plate 60 is arranged on the side of the cooling plate 50 away from the connecting plate 10. It can be understood that the bottom guard plate 60 can prevent the cooling plate 50, the connecting plate 10 and the battery 30 from colliding with external obstacles, thereby improving the safety factor of the battery assembly 1.

[0047] The vehicle according to the present utility model is briefly described below.

[0048] The vehicle according to the utility model is provided with the battery assembly 1 of the above embodiment. Since the vehicle according to the utility model is provided with the battery assembly 1 described in any one of the above embodiments, the vehicle has high production efficiency and high maintenance efficiency.

[0049] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification.

[0050] Although embodiments of the present invention have been shown and described above, changes, modifications, substitutions and variations may be made to the embodiments described above.

Claims

1. A battery assembly, characterized in that: include: A connecting plate, wherein the connecting plate is provided with a mounting surface; A crossbeam, wherein the crossbeam is structured in a plurality, and the plurality of crossbeams are arranged at intervals on the mounting surface, a battery mounting cavity is defined between two adjacent crossbeams, and an inner wall of the battery mounting cavity is provided with a first fixing portion; A battery, wherein at least a portion of the periphery of the battery is provided with a second fixing portion, and the first fixing portion cooperates with the second fixing portion to limit the battery in the battery installation cavity; wherein The first fixing portion is configured as a limiting groove, and the second fixing portion is configured as a limiting block disposed on the outer peripheral wall of the battery, and the limiting block is slidably disposed in the limiting groove; or The first fixing portion is configured as a limiting block, a peripheral wall of the battery is formed with a limiting groove, the limiting groove is configured as the second fixing portion, and the limiting block is slidably disposed in the limiting groove.

2. The battery assembly according to claim 1, characterized in that: The crossbeam extends in a first direction, and a plurality of the crossbeams are spaced apart on the mounting surface in a second direction. At least one of two adjacent crossbeams is formed with a limiting groove, and the extending direction of the limiting groove is parallel to the extending direction of the crossbeam. At least one end of the battery mounting cavity in the first direction is open.

3. The battery assembly according to claim 1, characterized in that: The battery has electrodes, and the electrodes are arranged toward the mounting surface. Electrical connectors connected to each other are arranged on the mounting surface, and the electrical connectors are suitable for abutting against the electrodes.

4. The battery assembly according to claim 1, characterized in that: The battery has an electrode, and the electrode is arranged toward the crossbeam. The surface of the crossbeam facing the battery installation cavity is provided with electric connectors connected to each other, and the electric connectors are suitable for abutting against the electrode.

5. The battery assembly according to claim 3 or 4, characterized in that: An explosion-proof valve is arranged on a surface of the battery facing away from the mounting surface.

6. The battery assembly according to claim 2, characterized in that: Also includes: An end plate is connected to the connecting plate and / or the cross beam to close the opening of the battery installation cavity.

7. The battery assembly according to claim 1, characterized in that: Also includes: A cover plate is arranged at one end of the cross beam away from the connecting plate.

8. The battery assembly according to claim 1, characterized in that: Also includes: A cooling plate is arranged on a side of the connecting plate facing away from the mounting surface.

9. The battery assembly according to claim 8, characterized in that: Also includes: A bottom guard plate is connected to the cooling plate, and the bottom guard plate is arranged on a side of the cooling plate away from the connecting plate.

10. A vehicle, characterized in that: A battery assembly comprising any one of claims 1 to 9.

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