Vertical storage battery frame assembly of single-layer lithium battery

Abstract

The utility model relates to the technical field of automobile parts, in particular to a vertical storage battery frame assembly of a single-layer lithium battery, which comprises a storage battery frame, a mudguard bracket is mounted on the side surface of the storage battery frame, a lithium battery body is placed in an inner cavity of the storage battery frame, and a gap is reserved between the side surface of the lithium battery body and the inner side wall of the storage battery frame; the pressing plate is pressed on the upper surface of the lithium battery body from top to bottom, the pressing plate is fixedly connected with the storage battery frame through the tensioning screw rod, and the pressing plate and the outer convex part are staggered; the lithium battery has the beneficial effects that the bottom of the storage battery frame is sunken downwards to form the outer convex parts distributed at equal intervals, the top of the lithium battery body is provided with the pressing plate in a pressing manner from top to bottom, and the gap is reserved between the side surface of the lithium battery body and the inner wall of the storage battery frame, so that air can flow, and heat accumulation is avoided; on the other hand, the multiple vertical cooling pipes can be sequentially communicated end to end, so that the heat dissipation effect on the bottom and the side face of the lithium battery body is improved through water cooling.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts technology, specifically to a single-layer vertical lithium battery frame assembly. Background Technology

[0002] The main function of the battery frame is to protect the battery components and provide support and fixation for the battery. Automotive lithium battery frames are generally made of hot-rolled steel plates. In order to reduce the weight of the battery frame, some lighter materials are selected instead of hot-rolled steel plates, such as aluminum alloys, which can meet the weight reduction requirements of the whole vehicle.

[0003] In the prior art, Chinese utility model with publication number CN218785979U discloses a battery frame structure. By providing a number of first reinforcing ribs on a hollow component, the structural strength of the casing can be improved. The hollow component includes an inner side and an outer side. The first reinforcing rib is a first groove provided on the outer side and recessed towards the inner side. The bottom of the first groove abuts against the inner side, which can effectively ensure the reinforcing effect of the first reinforcing rib on the casing strength and ensure the safety of the battery frame structure.

[0004] However, currently, most vertical battery frames are double-layered, resulting in a compact internal space and small gaps, leading to poor overall heat dissipation. Prolonged use causes excessive battery overheating, affecting energy consumption and posing significant safety hazards. Therefore, this invention proposes a single-layer vertical lithium battery frame assembly to solve these problems. Utility Model Content

[0005] The purpose of this utility model is to provide a single-layer vertical lithium battery frame assembly to solve the problems of compact internal space and inconvenient heat dissipation of the battery frame mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a single-layer lithium battery vertical battery frame assembly, comprising:

[0007] A battery frame is provided, with mudguard brackets installed on its sides. A lithium battery body is placed inside the battery frame, and a gap is left between the side of the lithium battery body and the inner wall of the battery frame. The bottom of the battery frame is recessed downward to form an outward protrusion. A vertical cooling pipe is placed inside the cavity of the outward protrusion, and both ends of the vertical cooling pipe are bent upward and located in the gap between the battery frame and the lithium battery body.

[0008] A clamping plate is pressed down on the upper surface of the lithium battery body from top to bottom. The clamping plate is fixedly connected to the battery frame by a tensioning screw, and the clamping plate is misaligned with the outward protrusion.

[0009] Preferably, the plurality of outer protrusions are arranged at equal intervals along the length direction of the inner cavity of the battery frame, and the plurality of vertical cooling pipes are sequentially connected in a head-to-tail manner.

[0010] Preferably, the length of the pressing plate is consistent with the width of the inner cavity of the battery frame, and the end of the pressing plate abuts against the inner side wall of the battery frame.

[0011] Preferably, the inner cavity of the battery frame is fixedly provided with two limiting plates which are symmetrically arranged and are in the shape of a Chinese character 'fang'.

[0012] Preferably, the top of the battery frame is provided with a hanging fastener which is in the shape of a Chinese character 'fang', and the bottom of the hanging fastener is fixedly connected with the top of the battery frame by rivets.

[0013] Preferably, the surface of the fender support is provided with an adjusting hole, and the fender support is fixedly connected with the battery frame by bolts.

[0014] Preferably, the vertical cooling pipe is bent in the length direction thereof to form a plurality of 'S' structures, and the diameter of the vertical cooling pipe is consistent with the depth of the outer protrusion.

[0015] Preferably, the battery frame comprises two side plates and a bottom plate, and the side plates and the bottom plate are formed by hot-rolled steel plate molds and are fixed by rivets.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] The utility model discloses a battery frame and a lithium battery body positioning device, which are characterized by the following technical scheme: the bottom of the battery frame is concave downward to form a plurality of outer protrusions which are arranged at equal intervals, a vertical cooling pipe is arranged in the inner cavity of the outer protrusion, the top of the lithium battery body is provided with a pressing plate from top to bottom, the pressing plate is fixed to the bottom of the battery frame by a tensioning screw rod, the pressing plate is staggered with the outer protrusion, two limiting plates which are symmetrically arranged and are in the shape of a Chinese character 'fang' are fixedly arranged in the inner cavity of the battery frame to position the lithium battery body in the middle of the inner cavity of the battery frame, and a gap is left between the side surface of the lithium battery body and the inner wall of the battery frame, which can not only make air flow and avoid heat accumulation, but also sequentially connect the plurality of vertical cooling pipes in a head-to-tail manner to improve the heat dissipation effect of the bottom and the side surface of the lithium battery body by water cooling. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure three-dimensional schematic view of the utility model;

[0019] Figure 2The whole structure side view schematic diagram of the utility model shows that

[0020] Figure 3 The whole structure overhead view schematic diagram of the utility model shows that

[0021] Figure 4 The utility model discloses Figure 3 The structure amplification schematic diagram of A place in the middle shows that

[0022] Figure 5 The utility model discloses vertical cooling pipe structure three-dimensional schematic diagram.

[0023] In the drawing: 1, battery frame;11, suspension fastener;12, outer convex part;13, limit check plate;2, mudguard support;21, adjust waist hole;22, reinforcing wing plate;3, lithium battery body;4, compression plate;41, tensioning screw;5, vertical cooling pipe. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme of the present application clear, complete description, and the advantage is more clear and obvious, the following combining the drawing to the embodiment of the present application carries out further detailed explanation.Should understand, the specific embodiment described here is a part of the embodiment of the present application, instead of all the embodiment, only use to explain the embodiment of the present application, and is not used to limit the embodiment of the present application, all other embodiments obtained by the ordinary skill in the art without doing the creative labor belongs to the scope of the present application.

[0025] Please refer to Figures 1 to 5 The utility model provides a technical scheme:

[0026] Embodiment one, a single layer lithium battery vertical battery frame assembly, include: battery frame 1 and compression plate 4.

[0027] Specifically, the mudguard support 2 is installed on the side of the battery frame 1, and the mudguard support 2 is slightly curved according to actual needs, is attached to the external support and is fixedly connected by bolts, the lithium battery body 3 is placed in the inner cavity of the battery frame 1, and a gap is left between the side of the lithium battery body 3 and the inner side wall of the battery frame 1, the bottom of the battery frame 1 is concave downward to form an outer convex part 12, the lithium battery body 3 is attached to the inner wall of the bottom of the battery frame 1 under the action of gravity, and a gap is left between the groove bottom of the outer convex part 12, the vertical cooling pipe 5 is placed in the inner cavity of the outer convex part 12, both ends of the vertical cooling pipe 5 are upwardly bent, and are located in the gap between the battery frame 1 and the lithium battery body 3, as Figure 5As shown, the vertical cooling pipe 5 can be attached to the bottom surface and side surface of the lithium battery body 3, thereby forming a semi-enclosure for the lithium battery body 3, improving the cooling effect of the lithium battery body 3, and the lithium battery body 3 will not extrude and collide with the vertical cooling pipe 5, thereby avoiding damage to the vertical cooling pipe 5;

[0028] Secondly, the pressing plate 4 is pressed from top to bottom on the upper surface of the lithium battery body 3, the pressing plate 4 is fixedly connected with the battery frame 1 through the tensioning screw 41, the pressing plate 4 is used for pressing and positioning the lithium battery body 3, preventing the lithium battery body 3 from shaking in the inner cavity of the battery frame 1, the pressing plate 4 is misaligned with the outer protrusion 12, the tensioning screw 41 passes through the bottom plate of the battery frame 1 and is fixedly connected through a nut, the tensioning screw 41 and the vertical cooling pipe 5 can be misaligned with each other to avoid mutual obstruction, and the gap width between the lithium battery body 3 and the battery frame 1 needs to be greater than the sum of the diameters of the vertical cooling pipe 5 and the tensioning screw 41.

[0029] In order to improve the cooling effect of the lithium battery body 3, the outer protrusion 12 of the present application is provided with a plurality of outer protrusions 12, which are distributed at equal intervals along the length direction of the inner cavity of the battery frame 1. Since the outer protrusions 12 are distributed at equal intervals on the bottom of the battery frame 1, multiple groups of vertical cooling pipes 5 can be arranged below the lithium battery body 3, thereby improving the cooling effect of the lithium battery body 3. In addition, the multiple vertical cooling pipes 5 are sequentially connected end to end, and the cooling medium only needs to be input from one end of the vertical cooling pipe 5 and output from the other end, further, the side surface of the battery frame 1 is provided with a circulating cooling pipe for connecting the vertical cooling pipe 5 and the external cooling water pump.

[0030] In order to avoid the inclination of the tensioning screw 41, the length of the pressing plate 4 of the present application is consistent with the width of the inner cavity of the battery frame 1, and the end of the pressing plate 4 abuts against the inner side wall of the battery frame 1, so that the position of the pressing plate 4 will not be shifted in the length direction of the pressing plate 4. In addition, in order to avoid the movement of the pressing plate 4 along the length direction of the lithium battery body 3, a groove can be formed on the upper surface of the lithium battery body 3, which is adapted to the pressing plate 4 and allows the pressing plate 4 to be clamped in.

[0031] In order to position the lithium battery body 3, the present application also has a limiting clamping plate 13 fixedly installed in the inner cavity of the battery frame 1 for positioning the lithium battery body 3. The limiting clamping plate 13 is provided with two limiting clamping plates 13 which are symmetrically distributed, and the limiting clamping plate 13 is provided with a "Fang" shape, Figure 3 As shown, the two limiting clamping plates 13 clamp and position the two ends of the lithium battery body 3 from the horizontal direction, ensuring that the lithium battery body 3 will not be shifted in the horizontal direction, thereby avoiding the collision between the lithium battery body 3 and the vertical cooling pipe 5.

[0032] In order to improve the stability of the battery frame 1 during installation, the application also has a hanging buckle 11 arranged on the top of the battery frame 1, the hanging buckle 11 is arranged in a "Fang" shape, the bottom of the hanging buckle 11 is fixedly connected with the top of the battery frame 1 through rivets, and the hanging buckle 11 is arranged for hanging the battery frame 1 on the external beam, so as to improve the stability of the battery frame 1 during installation.

[0033] In order to improve the stability of the connection between the mudguard support 2 and the battery frame 1, the application also has an adjusting waist hole 21 arranged on the surface of the mudguard support 2 and fixedly connected with the battery frame 1 through bolts, since the adjusting waist hole 21 is long strip-shaped, the vertical relative position between the mudguard support 2 and the battery frame 1 can be slightly adjusted, so that the mudguard support 2 can be accurately installed on the external support, and the reinforcing wing plate 22 is fixedly arranged on the side edge of the mudguard support 2 and fixedly connected with the battery frame 1 through screws, and the reinforcing wing plate 22 is arranged to improve the stability of the connection between the mudguard support 2 and the battery frame 1.

[0034] In order to improve the heat dissipation effect of the vertical cooling pipe 5 on the lithium battery body 3, the vertical cooling pipe 5 of the application is bent into a plurality of "S" shapes along the length direction of the vertical cooling pipe 5, the diameter of the vertical cooling pipe 5 is consistent with the depth of the concave part 12, as shown in Figure 5 , the overall shape of the vertical cooling pipe 5 is shown in Figure 4 , and the local shape of the vertical cooling pipe 5 is shown in the figure, the vertical cooling pipe 5 is arranged in an "S" shape instead of a straight pipe, which can be used to prolong the flow path of the internal cooling medium and increase the contact area between the surface of the vertical cooling pipe 5 and the lithium battery body 3, so as to maximize the heat dissipation effect.

[0035] In order to improve the service life of the device, the battery frame 1 of the application includes two side plates and a bottom plate, the side plates and the bottom plate are formed by hot-rolled steel plate molds and fixedly connected through rivets, the mudguard support 2 and the pressing plate 4 are also formed by hot-rolled steel plate molds, and the surfaces of the battery frame 1, the mudguard support 2 and the pressing plate 4 are treated with electrophoretic black paint to avoid wear and corrosion and improve the service life.

[0036] Although the embodiments of the application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the application, and the scope of the application is defined by the appended claims and their equivalents.

Claims

1. A single layer lithium battery vertical cell frame assembly, characterized by: It includes: The side of the battery frame (1) is provided with a fender support (2), the inner cavity of the battery frame (1) is provided with a lithium battery body (3), the side of the lithium battery body (3) is provided with a gap between the inner side wall of the battery frame (1), the bottom of the battery frame (1) is concave to form an outer convex part (12), the inner cavity of the outer convex part (12) is provided with a vertical cooling pipe (5), both ends of the vertical cooling pipe (5) are bent upward and located in the gap between the battery frame (1) and the lithium battery body (3); The pressing plate (4) is pressed from top to bottom on the upper surface of the lithium battery body (3), the pressing plate (4) is fixedly connected with the battery frame (1) by the tensioning screw (41), and the pressing plate (4) is dislocated with the outer convex part (12).

2. A single layer lithium battery vertical cell frame assembly as defined in claim 1 wherein: The outer convex part (12) is provided with a plurality of outer convex parts (12), the plurality of outer convex parts (12) are distributed at equal intervals along the length direction of the inner cavity of the battery frame (1), and the plurality of vertical cooling pipes (5) are sequentially communicated.

3. A single layer lithium battery vertical cell frame assembly as defined in claim 2 wherein: The length of the pressing plate (4) is consistent with the width of the inner cavity of the battery frame (1), and the end of the pressing plate (4) abuts against the inner side wall of the battery frame (1).

4. A single layer lithium battery vertical cell frame assembly as defined in claim 3 wherein: The inner cavity of the battery frame (1) is fixedly provided with a limiting plate (13) for positioning the lithium battery body (3), the limiting plate (13) is provided with two and symmetrically distributed, and the limiting plate (13) is provided with a "Fang" shape.

5. A single layer lithium battery vertical cell frame assembly as defined in claim 4 wherein: The top of the battery frame (1) is provided with a hanging fastener (11), the hanging fastener (11) is provided with a "Fang" shape, and the bottom of the hanging fastener (11) is fixedly connected with the top of the battery frame (1) by rivets.

6. A single layer lithium battery vertical cell frame assembly as defined in claim 5 wherein: The surface of the fender support (2) is provided with an adjusting waist hole (21), and the fender support (2) is fixedly connected with the battery frame (1) by bolts, the side edge of the fender support (2) is fixedly provided with a reinforcing wing plate (22), and the reinforcing wing plate (22) is fixedly connected with the battery frame (1) by screws.

7. A single layer lithium battery vertical cell frame assembly as defined in claim 6 wherein: The vertical cooling pipe (5) is bent to form a plurality of "S" type structures along the length direction of the vertical cooling pipe (5), and the diameter of the vertical cooling pipe (5) is consistent with the depth of the concave part (12).

8. A single layer lithium battery vertical cell frame assembly as defined in claim 7, wherein: The battery frame (1) includes two side plates and a bottom plate, the side plates and the bottom plate are formed by hot-rolled steel plate mold and fixed by rivet riveting.

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