Mounting structure of battery module

Abstract

The utility model provides a mounting structure of a battery module, and aims to solve the technical problems that the conventional mounting structure is large in limitation and the internal space is compact after the battery module is assembled. The battery module is formed by electrically connecting a plurality of single batteries, and the convex edges of each single battery are oppositely arranged on the two side walls of the single battery. A totally-enclosed box body structure in which an accommodating space is formed is enclosed by the enclosing plate group; the accommodating space is used for mounting the battery module; the positioning assemblies are oppositely arranged on the two sides of the battery module, are mounted between the two surrounding plates and are used for limiting the movement of the battery module in the length direction of the battery module; the positioning assembly is matched and fixed with the convex edge and is used for limiting movement of the convex edge in the width direction of the battery module; and the fixing plate is matched with the positioning assembly, is fixed with the coaming and is used for limiting the movement of the battery module in the height direction. The battery modules of other specifications can be limited in the mounting box only by adjusting the mounting positions of the positioning assembly and the fixing plate in the mounting box, so that the applicability is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of battery module installation, in particular to an installation structure of a battery module. BACKGROUND

[0002] As a kind of energy storage equipment, battery can provide power supply for electrical equipment. Considering that the exposed battery is easy to cause spontaneous combustion due to damage, when the battery needs to supply power to electrical equipment, a plurality of single batteries are usually arranged and assembled into a battery module in an installation box, and then the installation box is connected with electrical equipment to protect the use safety of the battery. However, in the traditional battery assembly technology, the size specification of the installation box is very strict for the battery size specification to be assembled therein, and the limitation is large. Moreover, once the installation box is assembled with the battery module, the space in the installation box will be very compact, which is not conducive to heat dissipation and subsequent maintenance of the battery module. CONTENT OF THE INVENTION

[0003] In order to solve the above technical problems, the present application provides an installation structure of a battery module, which comprises:

[0004] a battery module, which is electrically connected by a plurality of single batteries, each single battery having a battery body and a protruding edge; the protruding edge is arranged on the two side walls of the battery body;

[0005] an installation box, which comprises a surrounding plate group, a positioning assembly and a fixing plate;

[0006] the surrounding plate group is enclosed into a fully enclosed box structure with an accommodating space; the accommodating space is used for installation of the battery module;

[0007] the positioning assembly is arranged on the two sides of the battery module and is installed between the two surrounding plates, and is used for limiting the movement of the battery module in the length direction; the positioning assembly is matched and fixed with the protruding edge, and is used for limiting the movement of the protruding edge in the width direction of the battery module;

[0008] the fixing plate is provided with a plurality of fixing plates, which are matched and installed with the positioning assembly and fixed with the surrounding plates, and are used for limiting the movement of the battery module in the height direction.

[0009] Further, the positioning assembly comprises a positioning rod and a connecting block.

[0010] the positioning rod is matched with the protruding edge and is arranged on the two sides of the battery module in the installation box, and is used for the up-down arrangement and connection of the positioning rod and the protruding edge; the two ends of the positioning rod are respectively installed on the surrounding plates;

[0011] the connecting block is welded at one end of the end portion of the protruding edge, and the other end of the connecting block extends to the top surface of the positioning rod around the side wall of the positioning rod and is welded with the positioning rod.

[0012] Further, the surrounding plate group comprises a side surrounding plate, a bottom plate and a cover plate; the side surrounding plate comprises at least one movable side plate part and a plurality of fixed side plate parts; the movable side plate part is movably connected between the bottom plate and the cover plate; and the fixed side plate part is fixed between the bottom plate and the cover plate.

[0013] Further, one end of the positioning rod is mounted on the fixed side plate part, and the other end of the positioning rod is provided through the movable side plate part; and the fixed plate extends outward at both ends thereof to be fixed with the fixed side plate part.

[0014] Further, the positioning rod is provided with a sliding through hole from top to bottom.

[0015] Further, the convex edge is provided with a first mounting hole matched with the sliding through hole; the connecting block is provided with a second mounting hole matched with the sliding through hole; and a bolt is sequentially threaded through the second mounting hole, the sliding through hole and the first mounting hole, and the assembly between the connecting block, the positioning rod and the convex edge is stabilized through bolt connection.

[0016] Further, the fixed plate is arranged on the top surface of the battery module in parallel with the length direction of the battery module; each fixed plate is provided with at least two limiting blocks, and the two limiting blocks can be clamped in the sliding through hole; and the fixed plate and the positioning rod are bolted.

[0017] Further, the mounting structure of the battery module further comprises a supporting assembly; and the supporting assembly is mounted in the mounting box in matching with the distance between the battery module and the inner side wall of the mounting box.

[0018] Further, the mounting box is a cuboid structure or a square structure, and the side surrounding plate thereof is enclosed by one movable side plate part and three fixed side plate parts, wherein the two fixed side plate parts are provided with sliding grooves.

[0019] Further, the supporting assembly comprises a first support and a second support.

[0020] The first support is connected with the battery module and is slidably connected with the fixed side plate part in matching with the sliding groove; the first support is provided with two, and each first support is composed of a vertical plate, an upper horizontal plate and a lower horizontal plate; the upper horizontal plate and the lower horizontal plate are fixed on the same side of the vertical plate from top to bottom; and the upper surface of the upper horizontal plate of one first support is further provided with a convex block, and the convex block is provided with a lead hole.

[0021] The two sides of the second support are connected with the inner wall of the battery module and the movable side plate part respectively.

[0022] According to the size of the battery module placed in the installation box, the positioning rods are arranged to fix the battery module between the surrounding plates, the connecting blocks are fixed to the protrusions and connected with the positioning rods, and the fixing plates are fixed to the surrounding plates by being cooperatively installed with the positioning rods. Not only the movement of the battery module in the length direction, width direction and height direction is limited, but also the remaining size of the battery module can be limited in the installation box by adjusting the installation position of the positioning rods, connecting blocks and fixing plates in the installation box, the applicability of the installation structure of the battery module is improved, and the installation box can be compact after the battery module is assembled. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0024] Figure 1 It is a perspective view of the installation structure of a battery module (excluding the movable side plate part and the cover plate) according to an embodiment of the present application.

[0025] Figure 2 It is a top view of the installation structure of a battery module (excluding the cover plate) according to an embodiment of the present application.

[0026] Figure 3 It is a top view of the installation structure of a battery module (excluding the cover plate) according to an embodiment of the present application.

[0027] Figure 4 It is a structural view of the cover plate of the installation structure of a battery module according to an embodiment of the present application.

[0028] Figure 5 It is a structural view of the fixing plate of the installation structure of a battery module according to an embodiment of the present application.

[0029] Reference signs:

[0030] 10, battery body; 11, protrusion; 12, electric wire;

[0031] 20, movable side plate part; 21, fixed side plate part; 210, installation groove; 211, sliding groove; 22, cover plate; 220, installation block; 23, bottom plate;

[0032] 31, positioning rod; 310, sliding through hole; 32, connecting block; 33, bolt;

[0033] 41, first support; 410, vertical plate; 411a, upper horizontal plate; 411b, lower horizontal plate; 412, protruding block; 413, lead hole; 42, second support;

[0034] 50, fixing plate; 500, limiting block. DETAILED DESCRIPTION

[0035] Hereinafter, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0036] In the description of the present application, it is to be understood that the terms "transverse", "length", "width", "height", "top", "bottom", "inner", "outer", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the present application is used, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0037] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited.

[0038] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be broadly understood, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected, or can be communicated; can be directly connected, or can be indirectly connected through an intermediate medium; can be the internal communication or interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0039] The disclosure below provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. Of course, they are only examples and the purpose is not to limit the present application. In addition, the present application can repeatedly refer to numbers and / or letters in different examples, and such repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides examples of various specific processes and materials, but those skilled in the art can realize the application of other processes and / or the use of other materials.

[0040] The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0041] The embodiment of the present application provides a mounting structure of a battery module, please refer to Figures 1-5 , which comprises a battery module and a mounting box.

[0042] Specifically,

[0043] The battery module is electrically connected by a plurality of single batteries, each single battery comprising a battery body 10, a convex edge 11 and an electric wire 12. The convex edge 11 is arranged on the two side walls of the battery body 10, and each convex edge 11 is provided with a first mounting hole from top to bottom. The electric wire 12 is led out from one side of the battery body 10.

[0044] The mounting box is used for mounting the battery module, comprising a fence group, a positioning assembly and a fixed plate 50, the positioning assembly is installed on both sides of the battery module, and the two ends of the positioning assembly are installed between the two fences. The fixed plate 50 is matched and installed on the positioning assembly, and is fixed with the fence.

[0045] The side plate group comprises side plates, a bottom plate 23 and a cover plate 22. Each side plate is connected between the cover plate 22 and the bottom plate 23 to form a fully enclosed box structure with a containing space. The side plate comprises at least one movable side plate part 20 and a plurality of fixed side plate parts 21. Preferably, the box of the mounting box is a cuboid or a square structure, and the side plate thereof is formed by a movable side plate part 20 and three fixed side plate parts 21. Three fixed side plate parts 21 are connected by welding to form a fence structure with an open side wall, and the movable side plate part 20 is bolted to the two ends of the fixed fence open side wall. At this time, two fixed side plate parts 21 are provided with sliding grooves 211. The specific assembly mode of the side plate, the bottom plate 23 and the cover plate 22 can be that the side plate is assembled on the bottom plate 23 along the circumference of the bottom plate, and at this time, each top end of the side plate is provided with a mounting groove 210; the cover plate edge is provided with a mounting block 220 matched with the mounting groove 210 of the side plate, and the mounting of the cover plate 22 and the side plate can be realized by clamping each mounting block 220 of the cover plate 22 in the corresponding mounting groove 210 and fixing by bolts.

[0046] The positioning assembly is used to limit the movement of the battery module in the mounting box, comprising a positioning rod 31 and a connecting block 32. The positioning rod 31 is matched with the battery module and is installed between the side plates to limit the movement of the battery module in the length direction. The connecting block 32 is fixed to the protruding edge 11 and is fixed with the positioning rod 31 to limit the movement of the protruding edge 11 in the width direction of the battery module.

[0047] The positioning rod 31 is matched with the protruding edge 11 and is provided on both sides of the battery module in the mounting box, so that the positioning rod 31 and the protruding edge 11 are arranged up and down, and the positioning rod 31 is in contact with each protruding edge 11 of the battery module. The two ends of the positioning rod 31 are respectively installed on the side plates, wherein the end of the positioning rod 31 towards the movable side plate part 20 penetrates the movable side plate part 20, thereby limiting the movement of the battery module in the length direction.

[0048] The connecting block 32 is welded to one end of the end of the protruding edge 11, and the other end extends around the side wall of the positioning rod to the top surface of the positioning rod and is welded with the positioning rod 31, thereby limiting the movement of the battery module in the width direction. Preferably, the positioning rod 31 is provided with a sliding through hole 310 matched with the first mounting hole, so that when the positioning rod 31 is matched with the protruding edge 11 and arranged on both sides of the battery body 10, the sliding through hole 310 is aligned with the first mounting hole up and down. The connecting block 32 is provided with a second mounting hole matched with the sliding through hole 310, that is, the second mounting hole is also aligned with the sliding through hole 310. The bolt 33 can pass through the second mounting hole, the sliding through hole 310 and the first mounting hole in sequence, and the assembly between the connecting block 32, the positioning rod 31 and the protruding edge 11 is stabilized by bolt connection.

[0049] The battery module has the battery body 10 placed side by side in the mounting box, and the positioning rod 31 matches the convex edge 11 to be mounted on the side wall on both sides of the battery module and both ends of the positioning rod, so that the installation position of the positioning rod 31 in the mounting box can be adjusted according to the length of the battery module. Then, the connecting block 32 is welded with the convex edge 11 and the positioning rod 31, respectively, so that the mounting box can flexibly limit the transverse movement of the battery module with various length and width specifications.

[0050] The fixing plate 50 is provided with a plurality of fixing plates arranged parallel to the length direction of the battery module on the top surface of the battery module. Each fixing plate 50 is provided with a limiting block 500 matched with the sliding hole 310 on the bottom surface near the end thereof, that is, each fixing plate 50 has at least two limiting blocks 500, and both limiting blocks 500 can be clamped in the sliding hole 310. The fixing plate 50 and the positioning rod 31 can be fixed by bolt connection, and both ends of the fixing plate extend outward to be fixed with the side wall.

[0051] The fixing plate 50 is arranged on the top surface of the battery module in the mounting box, and the fixing plate 50 is matched with the positioning rod 31 for assembly and fixation of the fixing plate 50 on the side wall, so that the movement of the battery module with various height specifications in the height direction can be limited.

[0052] Embodiment 2

[0053] In order to further stabilize the installation of the battery module in the mounting box, the application also includes a support assembly matched with the distance between the battery module and the inner wall of the side wall and mounted in the mounting box. The support assembly includes a first support 41 and a second support 42. The first support 41 is connected to one side of the battery module and the other side is matched with the sliding groove 211 to be connected to the fixed side plate part 21. The first support 41 is provided with two, and each first support 41 can be composed of a vertical plate 410, an upper horizontal plate 411a and a lower horizontal plate 411b. The upper horizontal plate 411a and the lower horizontal plate 411b are fixed to the same side of the vertical plate 410 from top to bottom, and the upper horizontal plate of one of the first supports is further provided with a protruding block 412, and the protruding block 412 is provided with a lead hole 413. After all the leads 12 of the battery module pass through the lead hole 413 and extend outward, the leads 12 of the battery body are arranged in the mounting box to avoid disorder, which is convenient for subsequent maintenance. The second support 42 is connected to one side of the battery module and the other side is mounted on the movable side plate part 20.

Claims

1. A mounting structure of a battery module characterized by comprising: It includes: Battery module, by a plurality of single battery electrically connected, each single battery has battery body and convex edge; The convex edge is provided on both side walls of the battery body; Mounting box, including the surrounding board group, the positioning assembly and the fixed plate; The surrounding board group is closed into a fully enclosed box structure with a containing space; the containing space is used for mounting the battery module; The positioning assembly is provided on both sides of the battery module and is mounted between the two surrounding boards to limit the movement of the battery module in the length direction; the positioning assembly is matched and fixed with the convex edge to limit the movement of the convex edge in the width direction of the battery module; The fixed plate is provided with a plurality of fixed plates which are matched with the positioning assembly and fixed with the surrounding board to limit the movement of the battery module in the height direction.

2. The mounting structure for a battery module according to claim 1, characterized by: The positioning assembly includes a positioning rod and a connecting block; The positioning rod is matched with the convex edge and is provided on both sides of the battery module in the mounting box, and is arranged above and below the convex edge and is connected; the two ends of the positioning rod are respectively mounted on the surrounding boards; One end of the connecting block is welded to the end of the convex edge, and the other end extends to the top surface of the positioning rod around the side wall of the positioning rod and is welded with the positioning rod.

3. The mounting structure for a battery module according to claim 2, characterized by: The surrounding board group includes a side surrounding board, a bottom plate and a cover plate; the side surrounding board includes at least one movable side plate part and a plurality of fixed side plate parts; the movable side plate part is movably connected between the bottom plate and the cover plate; the fixed side plate part is fixed between the bottom plate and the cover plate.

4. The mounting structure for a battery module according to claim 3, characterized by: One end of the positioning rod is mounted on the fixed side plate part, and the other end penetrates the movable side plate part; the two ends of the fixed plate extend outward to be fixed with the fixed side plate part.

5. The mounting structure for a battery module according to claim 4, characterized by: The positioning rod is provided with a sliding through hole from top to bottom.

6. The mounting structure for a battery module according to claim 5, wherein: The convex edge is provided with a first mounting hole matched with the sliding through hole; the connecting block is provided with a second mounting hole matched with the sliding through hole; the bolt passes through the second mounting hole, the sliding through hole and the first mounting hole in sequence, and the assembly between the connecting block, the positioning rod and the convex edge is stabilized by bolt connection.

7. The mounting structure for a battery module according to claim 6, characterized by: The fixed plate is parallel to the length direction of the battery module and is provided on the top surface of the battery module; each fixed plate has at least two limiting blocks, and the two limiting blocks can be clamped in the sliding through hole; the fixed plate and the positioning rod are bolted.

8. The mounting structure for a battery module according to claim 3, wherein It also includes a support assembly; the support assembly is matched with the distance between the battery module and the inner side wall of the mounting box and is mounted in the mounting box.

9. The mounting structure for a battery module according to claim 8, characterized by: The mounting box is a rectangular or square structure, and the side surrounding board is surrounded by a movable side plate part and three fixed side plate parts, wherein two fixed side plate parts are provided with a sliding groove.

10. The mounting structure for a battery module according to claim 9, characterized by: The support assembly includes a first support and a second support; The first support is connected with the battery module and is slidably connected with the fixed side plate part matched with the sliding groove; the first support is provided with two, each first support is composed of a vertical plate, an upper horizontal plate and a lower horizontal plate; the upper horizontal plate and the lower horizontal plate are fixed on the same side of the vertical plate from top to bottom; the upper surface of the upper horizontal plate of one of the first supports is also provided with a convex block, and the convex block is provided with a lead hole. The second support is connected with the battery module and the inner wall of the movable side plate part on both sides, respectively.

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