Lithium battery pack for battery changing cabinet

Abstract

The utility model provides a lithium battery pack for a battery changing cabinet, which belongs to the technical field of lithium battery frameworks, and comprises a plurality of battery fixing sleeves fixedly connected side by side; the battery storage groove is formed in the upper end of the battery fixing sleeve; the heat dissipation protruding block is arranged at one side end of the battery fixing sleeve; the fixing sliding grooves are formed in the inner wall of one side of the battery containing groove and the heat dissipation protruding blocks; a battery fixing slider; through the unique fixing and heat dissipation design, efficient heat management and a stable battery operation environment are achieved, and the device is suitable for being applied to a high-frequency use battery changing cabinet system.

Description

TECHNICAL FIELD

[0001] The utility model belongs to lithium battery frame technical field, concretely relates to a lithium battery pack for battery swap cabinet. BACKGROUND

[0002] With the rapid development of lithium battery industry, for example in the vehicle industry such as excavator, bulldozer, the traditional fuel power system is gradually replaced by lithium battery pack. Among them, the battery module as the smallest module unit, connecting multiple battery cells, determines the safety, structural strength and assembly efficiency of the whole battery system. The connection between the current battery modules is generally arranged in a row and then wrapped into a whole with glass fiber glue, or the battery bottom is covered with a simple plastic frame structure, and a copper sheet is placed above the pole for laser welding. When using glass fiber glue, the surface of the battery module is closed in the glass fiber glue, so that a large amount of heat cannot be dissipated when the battery module is working, affecting the service life of the battery module; using a simple plastic frame structure to cover the battery requires a suitable plastic frame, and the battery module is not fixedly connected as a whole, which will be affected by vibration when used in various vehicles, causing damage to the parallel or series connection points between multiple battery cells, affecting use.

[0003] The authorized publication number "CN221632785U" discloses a lithium battery module, comprising a plurality of battery cells connected in series by a gasket, a connecting frame is fixedly connected on each battery cell, the connecting frame is located at the middle part of the battery cell, one end of the connecting frame is hingedly connected with a connecting plate, and the other end is provided with an insertion slot, the battery cell is clamped with the insertion slot on the connecting frame of the adjacent battery cell through the connecting plate on the connecting frame, and the combination of a plurality of battery cells is realized. The device sets a connecting frame on each battery cell and clamps through the connecting frame on the adjacent battery cell, realizes the fixed connection of multiple battery cells, makes the battery module form a whole, reduces the connection between multiple battery cells in the battery module, and at the same time, due to the existence of the connecting frame, a certain gap is left between the adjacent battery cells, which is convenient for heat dissipation of the battery cell during work and prolongs the service life of the battery module.

[0004] The above-mentioned new type simultaneously leaves a certain gap between the adjacent battery cells due to the existence of the connecting frame, which is convenient for heat dissipation of the battery cell during work and prolongs the service life of the battery module, but the above-mentioned new type cannot stably clamp and fix the lithium battery when dissipating heat, and the heat dissipation hole is only arranged on one side of the lithium battery, which limits the lithium battery heat dissipation part and is difficult to ensure the uniform distribution of the temperature in the battery pack. UTILITY MODEL CONTENTS

[0005] The utility model discloses a lithium battery pack for battery exchange cabinet aims at solving the problem that the lithium battery cannot be fixed firmly when radiating in the prior art, and the radiating hole is only arranged on one side of the lithium battery, which limits the radiating part of the lithium battery and makes it difficult to ensure the uniform distribution of temperature in the battery pack.

[0006] To realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A lithium battery pack for battery exchange cabinet, comprising:

[0008] Battery fixed sleeve, the multiple battery fixed sleeve is fixedly connected side by side;

[0009] Battery storage groove, the battery storage groove is arranged at the upper end of the battery fixed sleeve;

[0010] Heat dissipation protruding block, the heat dissipation protruding block is arranged at one side end of the battery fixed sleeve;

[0011] Fixed sliding slot, the fixed sliding slot is arranged in the inner wall of one side of the battery storage groove and the heat dissipation protruding block;

[0012] Battery fixed sliding block, the battery fixed sliding block is slidably connected in the fixed sliding slot;

[0013] Shrinkable rubber, the shrinkable rubber is fixedly connected to the inner wall of one side of the fixed sliding slot and the one side end of the battery fixed sliding block;

[0014] Fixed rubber pad, the fixed rubber pad is fixedly connected to the one side end of the battery fixed sliding block;

[0015] Aluminum alloy heat dissipation fin, the aluminum alloy heat dissipation fin is fixedly connected to the one side end of the heat dissipation protruding block.

[0016] As a preferred scheme of the utility model, the one side end of the fixed rubber pad is provided with multiple reinforcing stripes, and the upper end of the fixed rubber pad is provided with an insertion bevel.

[0017] As a preferred scheme of the utility model, the one side end of the battery fixed sleeve is provided with a side edge radiating hole, and the side edge radiating hole is arranged at the connecting end of the multiple battery fixed sleeves.

[0018] As a preferred scheme of the utility model, the inner wall of one side of the battery storage groove inserted into the battery slot of the cabinet is thinner than the inner wall of the other side.

[0019] As a preferred scheme of the utility model, the lower end of the battery fixed sleeve is fixedly connected with a lower supporting plate, and the lower end of the lower supporting plate is parallel to the lithium battery plate.

[0020] As a preferred scheme of the utility model, the one side end of the aluminum alloy heat dissipation fin is fixedly connected with a battery slot cover plate.

[0021] Compared with the prior art, the utility model has the beneficial effects that:

[0022] 1、In this scheme, through the device, not only strengthen the heat dissipation function, still promoted the whole battery pack's mechanical strength, the lithium battery group in this embodiment realizes the efficient heat management and stable battery operating environment through the unique fixed and heat dissipation design, is suitable for being applied to the battery replacement cabinet system of high frequency use.

[0023] 2、In this scheme, through the device, since the side heat dissipation hole is distributed in the connecting end of multiple battery fixed sleeve, this helps to maintain the uniform distribution of the temperature inside the whole battery pack, avoids the overheating of certain area and influences the battery performance and life. BRIEF DESCRIPTION OF DRAWINGS

[0024] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0025] Figure 1 It is the first structure perspective drawing of the utility model;

[0026] Figure 2 It is the second structure perspective drawing in the utility model;

[0027] Figure 3 It is the structure explosion view in the utility model;

[0028] Figure 4 It is the structure explosion section view in the utility model.

[0029] In the drawing: 1, battery fixed sleeve;2, battery storage groove;3, heat dissipation protruding block;4, fixed sliding groove;5, battery fixed sliding block;6, shrink rubber;7, fixed rubber pad;8, aluminum alloy fin;9, reinforcing stripe;10, insert bevel;11, side heat dissipation hole;12, battery groove cover plate;13, lower support plate. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0031] EMBODIMENT

[0032] Please refer to Figures 1-4The utility model provides the following technical scheme:

[0033] A lithium battery pack for a battery replacement cabinet, comprising:

[0034] A battery fixing sleeve 1, a plurality of battery fixing sleeves 1 are fixedly connected side by side;

[0035] A battery storage groove 2 is provided at the upper end of the battery fixing sleeve 1;

[0036] A heat dissipation protruding block 3 is provided at one side end of the battery fixing sleeve 1;

[0037] A fixing sliding groove 4 is provided in the inner wall of one side of the battery storage groove 2 and the heat dissipation protruding block 3;

[0038] A battery fixing sliding block 5 is slidingly connected in the fixing sliding groove 4;

[0039] A shrinkable rubber body 6 is fixedly connected to the inner wall of one side of the fixing sliding groove 4 and the side end of the battery fixing sliding block 5;

[0040] A fixed rubber pad 7 is fixedly connected to the side end of the battery fixing sliding block 5;

[0041] An aluminum alloy heat dissipation fin 8 is fixedly connected to the side end of the heat dissipation protruding block 3.

[0042] In the specific embodiment of the utility model, multiple battery fixed sleeves 1 are fixedly connected together side by side, which provides stable support structure for internal lithium battery unit, the heat dissipation protruding block 3 is arranged at one side end of the battery fixed sleeve 1, the purpose is to increase the heat dissipation area, and cooperates with the aluminum alloy fin 8 to improve the heat dissipation efficiency, the aluminum alloy fin 8 is fixedly connected to one side end of the heat dissipation protruding block 3, and the good heat conductivity of aluminum alloy helps to quickly dissipate heat, in the fixed sliding groove 4, the slidable battery fixing sliding block 5 is arranged, one end of the battery fixing sliding block 5 is connected with the shrinkable rubber body 6, and the other end is provided with the fixed rubber pad 7, when the lithium battery unit is placed into the battery storage groove 2, the fixed rubber pad 7 can be tightly attached to the surface of the battery unit by pushing the battery fixing sliding block 5 and utilizing the elastic effect of the shrinkable rubber body 6, so that the effective fixing of the battery is realized, and the fixed rubber pad 7 can absorb vibration and protect the battery from physical damage, in order to improve the heat dissipation efficiency, the aluminum alloy fin 8 is fixedly connected to one side end of each heat dissipation protruding block 3, and the aluminum alloy material is selected due to its excellent heat conductivity, which can quickly conduct the heat generated during the operation of the battery to the environment, the design of the heat dissipation protruding block 3 increases the heat dissipation area and further enhances the heat dissipation effect, in addition, the combination of the heat dissipation protruding block 3 and the aluminum alloy fin 8 not only strengthens the heat dissipation function, but also improves the mechanical strength of the entire battery pack, the lithium battery pack in the embodiment realizes efficient heat management and stable battery operating environment through the unique fixing and heat dissipation design, and is suitable for application in the battery replacement cabinet system used at high frequency.

[0043] For details, please refer to Figures 1-4 One side end of the fixed rubber pad 7 is provided with a plurality of reinforcing stripes 9, and an insertion bevel 10 is formed in the upper end of the fixed rubber pad 7.

[0044] In the embodiment, the insertion bevel 10 is formed in the upper end of the fixed rubber pad 7, when the lithium battery is inserted into the battery storage groove 2, the insertion bevel 10 is extruded to push the battery fixing sliding block 5 into the fixed sliding groove 4, this design makes it easier to place the battery unit into the battery storage groove 2, and also facilitates the operation of the battery fixing sliding block 5, and reduces the time for installing and dismounting the battery.

[0045] For details, please refer to Figures 1-4 A side edge heat dissipation hole 11 is formed in one side end of the battery fixed sleeve 1, and the side edge heat dissipation hole 11 is formed in the connecting end of the plurality of battery fixed sleeves 1.

[0046] In this embodiment: the side heat dissipation holes 11 are arranged on one side of the battery fixing sleeve 1, especially the connecting end of the plurality of battery fixing sleeves 1, the design of the side heat dissipation holes 11 significantly enhances the heat dissipation capacity of the entire battery pack, they allow air to flow freely between the battery fixing sleeves 1, accelerating heat dissipation, especially in the case of dense battery arrangement, effectively preventing heat accumulation, as the side heat dissipation holes 11 are distributed on the connecting end of the plurality of battery fixing sleeves 1, which helps to maintain uniform distribution of the internal temperature of the entire battery pack, avoiding overheating in certain areas affecting battery performance and life.

[0047] For details, please refer to Figures 1-4 , the battery storage groove 2 is inserted into the thinner side inner wall of the other side inner wall of the battery slot of the cabinet.

[0048] In this embodiment: the asymmetric inner wall design of the battery storage groove 2 significantly simplifies the insertion process of the battery unit, the thinner side wall allows the battery unit to slide in more easily, reducing the friction during insertion, while the thicker side wall provides additional support, ensuring the stable placement of the battery unit, as the thickness of the two side walls of the battery storage groove 2 is different, this design can also be part of the anti-misplug mechanism, ensuring that the battery unit can only be inserted in the correct direction, avoiding damage caused by incorrect operation.

[0049] For details, please refer to Figures 1-4 , the lower end of the battery fixing sleeve 1 is fixedly connected with the lower support plate 13, and the lower end of the lower support plate 13 is parallel to the lithium battery plate.

[0050] In this embodiment: the lower support plate 13 is fixedly connected to the lower end of the battery fixing sleeve 1, and the lower end of the lower support plate 13 is parallel to the lithium battery plate, this design ensures the stable support of the bottom of the battery pack, while providing an additional protective layer to prevent physical damage to the bottom, the presence of the lower support plate 13 makes the bottom of the battery pack more flat, facilitating cleaning and inspection, and also facilitates the overall disassembly and replacement operation of the battery pack.

[0051] For details, please refer to Figures 1-4 , one side end of the aluminum alloy heat sink 8 is fixedly connected with the battery slot cover plate 12.

[0052] In this embodiment: the fixed connection of the aluminum alloy heat sink 8 and the battery slot cover plate 12 significantly enhances the structural integrity of the entire battery pack. The battery slot cover plate 12 not only serves as a cover, but also provides additional mechanical strength to protect the internal components from the external environment, as the battery slot cover plate 12 is directly fixedly connected to the aluminum alloy heat sink 8, which enables the heat sink to more effectively conduct heat to the cover plate, and then dissipate it, further optimizing heat dissipation management and ensuring temperature control of the battery pack under high load working conditions.

[0053] The working principle and use process of the utility model: a plurality of battery fixed sleeve 1 is fixedly connected side by side together, provide stable support structure for internal lithium battery unit, heat dissipation convex block 3 is arranged at one side end of battery fixed sleeve 1, the purpose is to increase the heat dissipation area, and cooperates with aluminum alloy fin 8 to improve the heat dissipation efficiency, aluminum alloy fin 8 is fixedly connected at one side end of heat dissipation convex block 3, utilizes the good heat conductivity of aluminum alloy to help quickly dissipate heat, in fixed use chute 4, the slidably battery fixed sliding block 5 is arranged, its one end is connected with shrinkage colloid 6, the other end is provided with fixed rubber pad 7, when lithium battery unit is placed into battery storage slot 2, by pushing battery fixed sliding block 5, utilizes the elastic action of shrinkage colloid 6, can make fixed rubber pad 7 tightly adhere to the surface of battery unit, to realize the effective fixation of battery, and fixed rubber pad 7 can absorb vibration, protects battery from physical damage, to improve the heat dissipation efficiency, the one side end of each heat dissipation convex block 3 is fixedly connected with aluminum alloy fin 8, and aluminum alloy material is selected because of its excellent heat conductivity, it can quickly conduct the heat generated when battery works to the environment, the design of heat dissipation convex block 3 increases the heat dissipation area, further enhances the heat dissipation effect, in addition, the combination of heat dissipation convex block 3 and aluminum alloy fin 8 not only strengthens the heat dissipation function, but also improves the mechanical strength of the whole battery pack, the lithium battery pack in the embodiment realizes efficient heat management and stable battery operating environment through unique fixed and heat dissipation design, is suitable for being applied to high-frequency use's battery replacement cabinet system,

[0054] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1.A lithium battery pack for a battery swap cabinet, characterized by: Include: Battery fixed sleeve (1), the plurality of battery fixed sleeve (1) is fixedly connected side by side; Battery storage groove (2), the battery storage groove (2) is opened in the upper end of battery fixed sleeve (1); Heat dissipation protruding block (3), the heat dissipation protruding block (3) is opened in one side end of battery fixed sleeve (1); Fixed sliding groove (4), the fixed sliding groove (4) is opened in one side inner wall of battery storage groove (2) and heat dissipation protruding block (3); Battery fixed sliding block (5), the battery fixed sliding block (5) is slidingly connected in fixed sliding groove (4); Shrinkable rubber (6), the shrinkable rubber (6) is fixedly connected in one side inner wall of fixed sliding groove (4) and one side end of battery fixed sliding block (5); Fixed rubber pad (7), the fixed rubber pad (7) is fixedly connected in one side end of battery fixed sliding block (5); Aluminum alloy heat dissipation fin (8), the aluminum alloy heat dissipation fin (8) is fixedly connected in one side end of heat dissipation protruding block (3)。 2.The lithium battery pack for battery swap cabinet according to claim 1, characterized in that: One side end of the fixed rubber pad (7) is provided with a plurality of reinforcing stripes (9), and an upper end of the fixed rubber pad (7) is provided with an insertion bevel (10). 3.The lithium battery pack for battery swap cabinet according to claim 2, characterized in that: One side end of the battery fixed sleeve (1) is provided with a side edge heat dissipation hole (11), and the side edge heat dissipation hole (11) is opened in the connecting end of the plurality of battery fixed sleeve (1). 4.The lithium battery pack for battery swap cabinet according to claim 3, characterized in that: The battery storage groove (2) is inserted into one side inner wall of the battery cabinet battery groove, which is thinner than the other side inner wall. 5.The lithium battery pack for battery swap cabinet according to claim 4, characterized in that: The lower end of the battery fixed sleeve (1) is fixedly connected with a lower support plate (13), and the lower end of the lower support plate (13) is parallel to the lithium battery plate. 6.The lithium battery pack for battery swap cabinet according to claim 5, characterized in that: One side end of the aluminum alloy heat dissipation fin (8) is fixedly connected with a battery groove cover plate (12).

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