Long module aluminum pressing strip combined fixing structure

Abstract

The utility model discloses a long module aluminum pressing strip combined fixing structure, which belongs to the technical field of automobile batteries and comprises a battery module and a battery holder, a plurality of groups of battery racks are arranged on the outer surface of the battery module and are distributed in an inner cavity of the battery holder at equal intervals, and the battery holders are arranged in the inner cavity of the battery holder. The top end of the battery holder is fixedly connected with a main beam used for supporting a long module, the main beam is arranged between the two battery racks, the outer surface of the main beam is movably connected with the outer surfaces of the battery racks, the two ends of the inner side wall of the battery holder are fixedly connected with auxiliary beams, and the outer surfaces of the auxiliary beams are movably connected with the outer surfaces of the battery racks. And positioning structures are arranged at the top ends of the main beam and the auxiliary beam, so that the convenience of assembling the pressing strip is improved, the strength of the module in the Z-axis direction is improved, meanwhile, the problem that the efficiency of assembling the pressing strip in a production line is relatively low is solved, and the safety of a battery pack in the driving process is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile batteries, specifically to a long module aluminum pressure strip combined fixing structure. Background Art

[0002] Electric vehicle batteries are divided into two categories, storage batteries and fuel cells. Storage batteries are suitable for pure electric vehicles, including lead-acid batteries, nickel-metal hydride batteries, sodium-sulfur batteries, secondary lithium batteries, air batteries, and ternary lithium batteries. Usually, multiple groups of batteries are combined into battery packs to provide energy for electric vehicles.

[0003] During the production of battery packs, large-module batteries are generally bolted to the battery holder. Since large-module batteries are dispersed, it takes more time to install the pressure strips, which reduces the assembly efficiency of the production line pressure strips. At the same time, when the car is driving, the vibration and modal strength of the large-module structure in the Z-axis direction are weak, which reduces the safety of the battery pack during driving.

[0004] According to a car battery pack provided by publication number: CN213184468U, the car battery pack includes an upper cover, a plurality of battery cell stacks, a frame and a bottom plate, wherein the plurality of battery cell stacks are placed in the frame, the upper cover covers the top of the frame, and the bottom plate is installed at the bottom of the frame. The frame is divided into a first area and a second area, wherein the first area only accommodates one battery cell stack, the battery cell stacks accommodated in the second area are symmetrically arranged and the number is less than or equal to 4, and an adhesive is arranged between the battery cell stack and the bottom plate. The car battery pack of the present application is very simple to install, takes less time, and has better dynamic performance.

[0005] According to the battery pack introduced above, due to the dispersed distribution of large module batteries, it takes a long time to install the molding, which reduces the assembly efficiency of the molding on the production line. At the same time, when the car is driving, the vibration and modal strength of the large module structure in the Z-axis direction are weak, which reduces the safety of the battery pack during driving. Therefore, we need to propose a long module aluminum molding combined fixing structure. Utility Model Content

[0006] The purpose of the utility model is to provide a long module aluminum molding combination fixing structure, which improves the convenience of molding assembly through the cooperation of battery rack, main beam, auxiliary beam and positioning structure, increases the strength of the module in the Z-axis direction, and solves the problem of low efficiency of molding assembly on the production line, ensures the safety of the battery pack during driving, so as to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a long module aluminum pressure strip combination fixing structure, comprising a battery module and a battery seat, the outer surface of the battery module is provided with a battery rack, the battery rack is provided with a plurality of groups, and the plurality of groups of battery racks are equidistantly distributed in the inner cavity of the battery seat, the top of the battery seat is fixedly connected with a main beam for supporting the long module, the main beam is arranged between two groups of battery racks, the outer surface of the main beam is movably connected to the outer surface of the battery rack, the two ends of the inner side wall of the battery seat are fixedly connected with sub-beams, the outer surface of the sub-beam is movably connected to the outer surface of the battery rack, and the tops of the main beam and the sub-beam are provided with positioning structures for locating the battery rack.

[0008] Preferably, the battery rack includes aluminum slats and a frame, the aluminum slats are integrally formed at both ends of the frame, the surfaces of the frame and the aluminum slats are movably connected to the surface of the main beam, and heat dissipation grooves are provided at positions on the frame surface corresponding to the aluminum slats.

[0009] Preferably, the aluminum strips are L-shaped, and there are several groups of the aluminum strips, which are evenly distributed on the surface of the frame.

[0010] Preferably, the main beam is shaped like a "J", and first row wire grooves are provided on both sides of the outer surface of the main beam. The first row wire grooves are provided in several groups, and the several groups of the first row wire grooves are equidistantly distributed on the outer surface of the main beam.

[0011] Preferably, a second row of wire grooves is provided on the surface of the sub-beam, and the second row of wire grooves is provided in a plurality of groups, and the plurality of groups of the second row of wire grooves are equidistantly distributed on the surface of the sub-beam.

[0012] Preferably, the positioning structure includes an aluminum pressure plate and a positioning hole, the aluminum pressure plate is arranged at the top end of the main beam and the secondary beam, the positioning holes are opened on the upper surface of the main beam and the secondary beam, and a through hole is opened at a position corresponding to the surface of the aluminum pressure plate on the surface of the positioning hole, and the positioning hole and the through hole of the aluminum pressure strip plate are bolted together by fastening bolts.

[0013] Preferably, the positioning holes are arranged in a plurality of groups, and the plurality of groups of positioning holes are equidistantly distributed on the upper surfaces of the main beam and the auxiliary beam.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model provides a long module aluminum molding combination fixing structure, which enables the battery module to be arranged in a long module in the battery holder through the cooperation of the battery rack, the main beam, the auxiliary beam and the positioning structure, thereby providing convenience for the installation process of the molding, thereby improving the convenience during the molding assembly, increasing the strength of the module in the Z-axis direction, and solving the problem of low efficiency of the molding assembly on the production line, thereby ensuring the safety of the battery pack during driving.

[0016] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the decomposed structure of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the battery module and battery rack of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the main beam and positioning structure of the utility model.

[0021] In the figure: 1. battery module; 2. battery holder; 3. battery rack; 31. aluminum strip; 32. frame; 33. heat sink; 4. main beam; 5. sub-beam; 6. positioning structure; 61. aluminum pressure plate; 62. positioning hole; 63. fastening bolt; 7. first row of wire duct; 8. second row of wire duct. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4The utility model provides a technical solution: a long module aluminum pressure plate 61 combined fixed structure, including a battery module 1 and a battery holder 2, the outer surface of the battery module 1 is provided with a battery rack 3, the battery rack 3 is provided with a plurality of groups, and the plurality of groups of battery racks 3 are equidistantly distributed in the inner cavity of the battery holder 2, the top of the battery holder 2 is fixedly connected with a main beam 4 for supporting the long module, the main beam 4 is provided between the two groups of battery racks 3, the outer surface of the main beam 4 is movably connected with the outer surface of the battery rack 3, the two ends of the inner side wall of the battery holder 2 are fixedly connected with sub-beams 5, the outer surface of the sub-beam 5 is movably connected with the outer surface of the battery rack 3, and the tops of the main beam 4 and the sub-beam 5 are provided with positioning structures 6 for positioning the position of the battery rack 3;

[0024] Through the cooperation of the battery rack 3, the main beam 4, the auxiliary beam 5 and the positioning structure 6, the battery module 1 can be arranged in a long module in the battery holder 2, which provides convenience for the installation process of the pressure strip, thereby improving the convenience of the pressure strip assembly, increasing the strength of the module in the Z-axis direction, and solving the problem of low efficiency of pressure strip assembly on the production line, ensuring the safety of the battery pack during driving.

[0025] The battery rack 3 includes an aluminum strip 31 and a frame 32. The aluminum strip 31 is integrally formed at both ends of the frame 32. The surfaces of the frame 32 and the aluminum strip 31 are movably connected to the surface of the main beam 4. A heat dissipation groove 33 is opened at a position on the surface of the frame 32 corresponding to the aluminum strip 31. The setting of the heat dissipation groove 33 facilitates the removal of the battery module 1. The frame 32 adopts a 6063 aluminum plate bending structure, and the aluminum strip 31 is placed on the main beam 4 or the sub-beam 5 and positioned by the positioning structure 6.

[0026] The aluminum slats 31 are L-shaped and are arranged in several groups. The groups of aluminum slats 31 are evenly distributed on the surface of the frame 32. The arrangement of the aluminum slats 31 improves the support for the frame 32 and the stability of the frame 32.

[0027] The main beam 4 is shaped like a "J", and a first row of wire ducts 7 are provided on both sides of the outer surface of the main beam 4. There are several groups of the first row of wire ducts 7, and the several groups of first row of wire ducts 7 are equidistantly distributed on the outer surface of the main beam 4. Through the shape setting of the main beam 4 and the coordination of the first row of wire ducts 7, it is convenient to provide support for the aluminum plate strips 31, and the lines can be arranged inside the main beam 4.

[0028] A second row of wire grooves 8 are provided on the surface of the subbeam 5 . There are several groups of second row of wire grooves 8 , which are evenly distributed on the surface of the subbeam 5 . The arrangement of the subbeam 5 facilitates the wiring operation inside the subbeam 5 .

[0029] The positioning structure 6 includes an aluminum pressure plate 61 and a positioning hole 62. The aluminum pressure plate 61 is arranged at the top of the main beam 4 and the sub-beam 5. The positioning hole 62 is opened on the upper surface of the main beam 4 and the sub-beam 5. A through hole is opened at a position corresponding to the surface of the aluminum pressure plate 61 on the surface of the positioning hole 62. The positioning hole 62 and the through hole of the aluminum pressure strip are bolted together by a fastening bolt 63. The fastening bolt 63 is set to an M6 bolt. The aluminum pressure plate 61 is placed on the aluminum plate 31, and then the position between the positioning hole 62 and the through hole of the aluminum pressure strip is bolted and fixed by the M6 ​​bolt.

[0030] There are several groups of positioning holes 62 equidistantly distributed on the upper surfaces of the main beam 4 and the auxiliary beam 5 . The positioning holes 62 are arranged to improve the stability of the aluminum pressure plate 61 after being fixed to the main beam 4 and the auxiliary beam 5 .

[0031] During specific use: place the frame 32 in the bottom battery holder 2, adjust the position of the frame 32 so that the aluminum pressure strips at both ends overlap the main beam 4 or the sub-beam 5, place several groups of battery modules 1 inside the frame 32 for fixing, and then place the movable aluminum pressure plate 61 and connect and fix it with M6 bolts. It is easy to install, has reliable strength and low cost. This movable combined pressure strip fixing structure greatly increases the strength of the module in the Z-axis direction, and at the same time solves the problem of low efficiency of production line assembly pressure strips, ensuring the safety of the battery pack during driving.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A long module aluminum strip assembly fixing structure, comprising a battery module (1) and a battery holder (2), characterized in that: The outer surface of the battery module (1) is provided with a battery rack (3), and the battery rack (3) is provided with a plurality of groups. The plurality of groups of battery racks (3) are equidistantly distributed in the inner cavity of the battery seat (2). The top of the battery seat (2) is fixedly connected with a main beam (4) for supporting the long module, and the main beam (4) is arranged between two groups of battery racks (3). The outer surface of the main beam (4) is movably connected to the outer surface of the battery rack (3). Both ends of the inner side wall of the battery seat (2) are fixedly connected with auxiliary beams (5), and the outer surface of the auxiliary beam (5) is movably connected to the outer surface of the battery rack (3). The tops of the main beam (4) and the auxiliary beam (5) are both provided with positioning structures (6) for positioning the battery rack (3).

2. The long module aluminum strip assembly fixing structure according to claim 1 is characterized in that: The battery rack (3) comprises an aluminum strip (31) and a frame (32); the aluminum strip (31) is integrally formed at both ends of the frame (32); the surfaces of the frame (32) and the aluminum strip (31) are movably connected to the surface of the main beam (4); and heat dissipation grooves (33) are provided at positions on the surface of the frame (32) corresponding to the aluminum strip (31).

3. The long module aluminum strip assembly fixing structure according to claim 2 is characterized in that: The aluminum strips (31) are arranged in an L-shape, and the aluminum strips (31) are arranged in a plurality of groups, and the plurality of groups of the aluminum strips (31) are distributed at equal distances on the surface of the frame (32).

4. The long module aluminum strip assembly fixing structure according to claim 1 is characterized in that: The main beam (4) is arranged in a "J" shape, and first row of wire grooves (7) are provided on both sides of the outer surface of the main beam (4). The first row of wire grooves (7) are arranged in a plurality of groups, and the plurality of groups of the first row of wire grooves (7) are distributed at equal distances on the outer surface of the main beam (4).

5. The long module aluminum strip assembly fixing structure according to claim 1 is characterized in that: The surface of the secondary beam (5) is provided with a second row of wire grooves (8), and the second row of wire grooves (8) are arranged in a plurality of groups, and the plurality of groups of the second row of wire grooves (8) are distributed at equal distances on the surface of the secondary beam (5).

6. The long module aluminum strip assembly fixing structure according to claim 1 is characterized in that: The positioning structure (6) comprises an aluminum pressure plate (61) and a positioning hole (62); the aluminum pressure plate (61) is arranged at the top of the main beam (4) and the secondary beam (5); the positioning hole (62) is opened on the upper surface of the main beam (4) and the secondary beam (5); a through hole is opened at a position corresponding to the surface of the aluminum pressure plate (61) on the surface of the positioning hole (62); the positioning hole (62) and the through hole of the aluminum pressure strip plate are bolted together by a fastening bolt (63).

7. The long module aluminum strip assembly fixing structure according to claim 6 is characterized in that: The positioning holes (62) are arranged in a plurality of groups, and the plurality of groups of positioning holes (62) are distributed at equal distances on the upper surfaces of the main beam (4) and the auxiliary beam (5).

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