A compact lithium ion battery pack suitable for irregularly shaped spaces in a coal mine tunnel

Abstract

The utility model discloses a kind of compact lithium ion battery pack suitable for coal mine tunnel special-shaped space, belong to lithium ion battery pack relevant technical field, including rectangular shell, the top of the rectangular shell is provided with arc shell, the four sides of the rectangular shell are fixedly installed with fixed plate and receiving plate, and the four sides of arc shell are fixedly installed with docking plate, receiving plate is below fixed plate, a plurality of quick connection components are connected between docking plate and fixed plate, placing support is arranged in the inside of rectangular shell and arc shell, a plurality of lithium ion battery modules are placed on placing support, the quick connection component includes sleeve rod, and the inside of sleeve rod is sleeved with plug rod;A kind of compact lithium ion battery pack suitable for coal mine tunnel special-shaped space of the utility model can be suitable for the use of special-shaped tunnel, and can be quickly disassembled and assembled, facilitate the overall assembly of battery pack.

Description

Technical Field

[0001] This utility model belongs to the technical field of lithium-ion battery packs, and specifically relates to a compact lithium-ion battery pack suitable for irregularly shaped spaces in coal mine roadways. Background Technology

[0002] As the core power source for mobile devices in coal mine roadways, such as inspection robots, small tunneling machines, and emergency power supply systems, lithium-ion battery packs directly determine the continuity and safety of underground operations due to their spatial adaptability and ease of maintenance.

[0003] Existing battery pack casings are mostly rigid, integral cuboid or cube structures. The casing shape is completely fixed during the production stage. When facing the arc-shaped contour of the top of the arched tunnel, a large number of ineffective gaps are formed between the top of the casing and the tunnel wall. This not only makes it impossible to use this space for installation, but also wastes the already limited tunnel space. The various components of the casing are mostly connected by full flange bolts, and some even use welded sealing structures, making disassembly and assembly cumbersome. In addition, the internal battery fixing mode is rigid, making it difficult to remove and place the whole unit. As a result, the adaptability to a single scenario is limited, and the versatility is poor. Utility Model Content

[0004] The main objective of this invention is to provide a compact lithium-ion battery pack suitable for irregularly shaped spaces in coal mine roadways. This invention can effectively solve the technical problems of existing lithium-ion battery packs having fixed shell shapes, resulting in a large number of ineffective gaps when used in irregularly shaped roadways, and having cumbersome shell disassembly and assembly methods as well as difficulties in battery removal and placement.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A compact lithium-ion battery pack suitable for irregularly shaped spaces in coal mine roadways includes a rectangular outer shell with an arc-shaped outer shell on top. A fixing plate and a receiving plate are fixedly installed on all four sides of the rectangular outer shell, and a docking plate is fixedly installed on all four sides of the arc-shaped outer shell. The receiving plate is located below the fixing plate. Several quick-connect components connect the docking plate and the fixing plate. A placement bracket is provided inside the rectangular and arc-shaped outer shells, and several lithium-ion battery modules are placed on the placement bracket.

[0006] As a further embodiment of this utility model, the inner arc surface of the arc-shaped outer shell is provided with a plurality of airbags.

[0007] As a further embodiment of this utility model, the quick-connect assembly includes a sleeve rod, an insert rod is sleeved inside the sleeve rod, and a guide groove is provided on the outside of the sleeve rod. A guide post located inside the guide groove is threaded onto the outside of the insert rod. A connecting plate is fixedly connected to one end of the insert rod inside the sleeve rod. A movable plate is connected to the bottom of the connecting plate through a shaft. A spring is fixedly connected between the bottom of the movable plate and the inner bottom end of the sleeve rod. The top end of the shaft is inserted into the bottom surface of the connecting plate, and the bottom end of the shaft is fixedly connected to the movable plate.

[0008] As a further embodiment of this utility model, a rotating disk is fixedly connected to the top of the insertion rod, and the outer wall of the rotating disk is provided with anti-slip texture.

[0009] As a further embodiment of this utility model, the guide groove is L-shaped, and a slot is provided at the top of its horizontal section, which is arc-shaped.

[0010] As a further embodiment of this utility model, the sleeve rod penetrates through the fixing plate, and its bottom end is fixedly connected to the top surface of the receiving plate.

[0011] As a further embodiment of this utility model, the insertion rod extends through the fixing plate into the interior of the sleeve rod, and is rotatably connected to the fixing plate.

[0012] As a further embodiment of this utility model, the placement bracket includes several placement plates arranged from bottom to top, several support rods are fixedly connected between adjacent placement plates, several concave sliders are installed on both sides of the placement plates located inside the rectangular shell, and convex guide wheels are rotatably installed inside the concave sliders. A fixing seat is fixedly installed on the top of the topmost placement plate, and two lifting rings are installed on the top of the fixing seat.

[0013] As a further embodiment of this utility model, the two sides of the placement plate located inside the arc-shaped outer shell are symmetrically arc-shaped, and several heat dissipation grooves are opened through the placement plate.

[0014] As a further embodiment of this utility model, the rectangular outer shell has several grooves on both sides that are adapted to the concave slider, and a limiting groove adapted to the guide wheel is provided on one side of the groove. A cable outlet box is also installed on the outside of the rectangular outer shell.

[0015] Compared with the prior art, the present invention has the following beneficial effects: This utility model combines a rectangular shell and an arc-shaped shell to house the lithium-ion battery module, effectively increasing the internal space of the entire battery pack. This makes it more suitable for use in irregularly shaped spaces in coal mine tunnels, maximizing the utilization of such spaces. The rectangular and curved shells are connected by quick-connect components, which allow for quick installation and removal of both shells. This not only improves the installation efficiency of the rectangular and curved shells but also allows for separate transportation of the two shells, making the entire battery pack more convenient to transport and install. By setting up a placement bracket, the lithium-ion battery module can be pre-assembled with the placement bracket. The placement bracket can be hoisted into the rectangular shell when assembling the lithium-ion battery module, and then the curved shell can be connected to complete the assembly. This facilitates the assembly and connection of the lithium-ion battery module with the rectangular and curved shells, and makes it easier to remove the lithium-ion battery module later. The entire lithium-ion battery pack achieves modular assembly, making it more convenient to use. Attached Figure Description

[0016] Figure 1 This is an overall structural diagram of a compact lithium-ion battery pack suitable for irregularly shaped spaces in coal mine roadways, according to this utility model. Figure 2 This is a cross-sectional view of a compact lithium-ion battery pack suitable for irregularly shaped spaces in coal mine roadways according to the present invention. Figure 3 This is a front view of a bracket for placing a compact lithium-ion battery pack, suitable for irregularly shaped spaces in coal mine roadways, according to the present invention. Figure 4 This utility model relates to a compact lithium-ion battery pack suitable for irregularly shaped spaces in coal mine roadways. Figure 3 Enlarged view of part a; Figure 5 This is a top view of the rectangular outer shell of a compact lithium-ion battery pack suitable for irregularly shaped spaces in coal mine roadways, according to this utility model. Figure 6 This is a front view of a quick-connect assembly in a compact lithium-ion battery pack suitable for irregularly shaped spaces in coal mine roadways, according to this utility model. Figure 7 This is a cross-sectional view of a quick-connect assembly in a compact lithium-ion battery pack suitable for irregularly shaped spaces in coal mine roadways, according to this utility model. Figure 8 This is a structural diagram of a guide groove in a compact lithium-ion battery pack suitable for irregularly shaped spaces in coal mine roadways, according to this utility model.

[0017] In the diagram: 1. Rectangular outer shell; 2. Arc-shaped outer shell; 3. Fixing plate; 4. Connecting plate; 5. Quick-connect assembly; 501. Sleeve rod; 502. Insert rod; 503. Rotary disk; 504. Guide post; 505. Guide groove; 506. Connecting disk; 507. Movable disk; 508. Spring; 509. Slot; 6. Receiving plate; 7. Placement bracket; 701. Placement plate; 702. Support rod; 703. Fixing seat; 704. Lifting ring; 705. Concave slider; 706. Guide wheel; 8. Lithium-ion battery module; 9. Airbag; 10. Slide groove; 11. Limiting groove. Detailed Implementation

[0018] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0019] like Figure 1-8 As shown, a compact lithium-ion battery pack suitable for irregularly shaped spaces in coal mine roadways includes a rectangular outer shell 1, an arc-shaped outer shell 2 on the top of the rectangular outer shell 1, a fixing plate 3 and a receiving plate 6 fixedly installed on all four sides of the rectangular outer shell 1, and a docking plate 4 fixedly installed on all four sides of the arc-shaped outer shell 2. The receiving plate 6 is located below the fixing plate 3, and several quick-connect components 5 are connected between the docking plate 4 and the fixing plate 3. A placement bracket 7 is provided inside the rectangular outer shell 1 and the arc-shaped outer shell 2, and several lithium-ion battery modules 8 are placed on the placement bracket 7.

[0020] The inner arc surface of the arc-shaped outer shell 2 is provided with several airbags 9. After the lithium-ion battery module 8 is installed inside the arc-shaped outer shell 2, the airbags 9 can be inflated to expand and fit against the side of the lithium-ion battery module 8, thereby improving the stability of the lithium-ion battery module 8 after installation.

[0021] The quick-connect assembly 5 includes a sleeve rod 501, with an insert rod 502 sleeved inside the sleeve rod 501. A guide groove 505 is formed on the outside of the sleeve rod 501, and a guide post 504 located inside the guide groove 505 is threaded onto the outside of the insert rod 502. A connecting plate 506 is fixedly connected to one end of the insert rod 502 inside the sleeve rod 501. A movable plate 507 is connected to the bottom of the connecting plate 506 via a shaft. A spring 508 is fixedly connected between the bottom of the movable plate 507 and the inner bottom end of the sleeve rod 501. The top end of the shaft is inserted into the bottom surface of the connecting plate 506, and the bottom end of the shaft is fixedly connected to the movable plate 507. The guide post 504... 04 is threadedly connected to the insertion rod 502, which allows it to be disassembled. After the shaft is engaged with the connecting plate 506, the insertion rod 502 is easy to pull out and separate. It also facilitates the rotation of the insertion rod 502. The top of the insertion rod 502 is fixedly connected to the rotating plate 503. The outer wall of the rotating plate 503 is provided with anti-slip texture. The guide groove 505 is L-shaped, and the top of its horizontal section is provided with a slot 509. The slot 509 is arc-shaped. The sleeve rod 501 passes through the fixing plate 3, and its bottom end is fixedly connected to the top surface of the receiving plate 6. The insertion rod 502 passes through the fixing plate 3 and extends into the interior of the sleeve rod 501, and is rotatably connected to the fixing plate 3.

[0022] By pressing the rotating disk 503, the spring 508 is compressed, and the guide post 504 moves down in the guide groove 505. Then, the rotating disk 503 is rotated to drive the insertion rod 502 to rotate, so that the guide post 504 enters the transverse section of the guide groove 505. Finally, under the reset of the spring 508, it is locked into the slot 509, thereby fixing the insertion rod 502 and connecting the arc-shaped outer shell 2 with the rectangular outer shell 1.

[0023] The placement bracket 7 includes several placement plates 701 arranged from bottom to top. Several support rods 702 are fixedly connected between adjacent placement plates 701. Several concave sliders 705 are installed on both sides of the placement plate 701 located inside the rectangular shell 1. A protruding guide wheel 706 is rotatably installed inside the concave slider 705. A fixing seat 703 is fixedly installed on the top of the top placement plate 701. Two lifting rings 704 are installed on the top of the fixing seat 703. The two sides of the placement plate 701 located inside the arc-shaped shell 2 are symmetrically arranged in an arc shape. Several heat dissipation slots are opened through the placement plate 701. Several sliding grooves 10 adapted to the concave sliders 705 are opened on both sides of the rectangular shell 1. A limiting groove 11 adapted to the guide wheel 706 is opened on one side of the sliding groove 10. A cable outlet box is also installed on the outside of the rectangular shell 1.

[0024] First, the lithium-ion battery module 8 is fixed on the placement plate 701. Then, the placement bracket 7 is lifted and placed into the rectangular shell 1 by the lifting ring 704. The placement bracket 7 is guided by the concave slider 705 and the guide wheel 706, so that the placement bracket 7 enters the rectangular shell 1. Then, the arc-shaped shell 2 is fastened, thereby realizing the assembly of the entire battery pack.

[0025] It should be noted that this utility model is a compact lithium-ion battery pack suitable for irregularly shaped spaces in coal mine roadways. In use, the lithium-ion battery modules 8 are first assembled by mounting multiple lithium-ion battery modules 8 onto each placement plate 701. Then, the placement bracket 7 is lifted and placed into the rectangular shell 1 by using the lifting ring 704 in conjunction with external equipment. When the lithium-ion battery modules 8 enter the rectangular shell 1, the concave slider 705 guides them in conjunction with the guide wheel 706, moving within the corresponding sliding groove 10 and limiting groove 11. At this time, some of the lithium-ion battery modules 8 on the placement plate 701 are exposed. Then, the arc-shaped shell 2 is assembled by fitting the arc-shaped shell 2 onto the top of the rectangular shell 1. At this time, each docking plate 4 is attached to the fixing plate 3, and multiple quick-connect components 5 are used to connect the fixing plate 3 and the docking plate 4.

[0026] The bottom end of the sleeve rod 501 is fixed to the top of the receiving plate 6. By pressing the rotating disk 503, the insertion rod 502 moves down, causing the spring 508 to compress. The guide post 504 moves down in the guide groove 505. Then, rotating the rotating disk 503 causes the insertion rod 502 to rotate, so that the guide post 504 enters the horizontal section of the guide groove 505. Finally, under the reset of the spring 508, it is locked into the slot 509, thereby fixing the insertion rod 502 and connecting the arc-shaped outer shell 2 with the rectangular outer shell 1. This achieves a quick connection between the rectangular outer shell 1 and the arc-shaped outer shell 2. During disassembly and maintenance, simply press the insertion rod 502 first, then rotate the insertion rod 502 to rotate the guide post 504 to the vertical section of the guide groove 505. Under the reset of the spring 508, the guide post 504 moves up and is then unscrewed from the surface of the insertion rod 502. The insertion rod 502 can then be pulled out from the sleeve rod 501, making it easy to separate the rectangular outer shell 1 and the arc-shaped outer shell 2.

[0027] When replacing or repairing the lithium-ion battery module 8, simply lift the entire mounting bracket 7 outwards, making the repair and replacement of the lithium-ion battery module 8 more convenient. The rectangular shell 1 and the arc-shaped shell 2 can be made of heat-dissipating metal shells, and the mounting bracket 7 can also be made of heat-dissipating metal brackets, thereby facilitating heat dissipation for the lithium-ion battery module 8.

[0028] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A compact lithium-ion battery pack suitable for irregularly shaped spaces in coal mine roadways, comprising a rectangular outer shell (1), wherein an arc-shaped outer shell (2) is provided on the top of the rectangular outer shell (1), characterized in that, The rectangular shell (1) is fixedly installed with a fixing plate (3) and a receiving plate (6) on all four sides, and the arc-shaped shell (2) is fixedly installed with a docking plate (4) on all four sides. The receiving plate (6) is located below the fixing plate (3). Several quick-connect components (5) are connected between the docking plate (4) and the fixing plate (3). The rectangular shell (1) and the arc-shaped shell (2) are provided with a placement bracket (7), and several lithium-ion battery modules (8) are placed on the placement bracket (7).

2. A compact lithium-ion battery pack suitable for irregularly shaped spaces in coal mine roadways according to claim 1, characterized in that: The inner arc surface of the arc-shaped outer shell (2) is provided with several airbags (9).

3. A compact lithium-ion battery pack suitable for irregularly shaped spaces in coal mine roadways according to claim 1, characterized in that: The quick-connect assembly (5) includes a sleeve rod (501), an insert rod (502) is sleeved inside the sleeve rod (501), and a guide groove (505) is provided on the outside of the sleeve rod (501). The insert rod (502) is threaded to a guide post (504) located inside the guide groove (505). A connecting plate (506) is fixedly connected to one end of the insert rod (502) inside the sleeve rod (501). A movable plate (507) is connected to the bottom of the connecting plate (506) through a shaft. A spring (508) is fixedly connected between the bottom of the movable plate (507) and the inner bottom end of the sleeve rod (501). The top end of the shaft is inserted into the bottom surface of the connecting plate (506), and the bottom end of the shaft is fixedly connected to the movable plate (507).

4. A compact lithium-ion battery pack suitable for irregularly shaped spaces in coal mine roadways according to claim 3, characterized in that: The top end of the insertion rod (502) is fixedly connected to a rotating disk (503), and the outer wall of the rotating disk (503) is provided with anti-slip texture.

5. A compact lithium-ion battery pack suitable for irregularly shaped spaces in coal mine roadways according to claim 3, characterized in that: The guide groove (505) is L-shaped, and a slot (509) is provided at the top of its horizontal section. The slot (509) is arc-shaped.

6. A compact lithium-ion battery pack suitable for irregularly shaped spaces in coal mine roadways according to claim 4, characterized in that: The sleeve (501) passes through the fixing plate (3), and its bottom end is fixedly connected to the top surface of the receiving plate (6).

7. A compact lithium-ion battery pack suitable for irregularly shaped spaces in coal mine roadways according to claim 6, characterized in that: The insertion rod (502) penetrates the fixing plate (3) and extends into the interior of the sleeve rod (501), and is rotatably connected to the fixing plate (3).

8. A compact lithium-ion battery pack suitable for irregularly shaped spaces in coal mine roadways according to claim 1, characterized in that: The placement bracket (7) includes several placement plates (701) arranged from bottom to top. Several support rods (702) are fixedly connected between adjacent placement plates (701). Several concave sliders (705) are installed on both sides of the placement plate (701) located inside the rectangular shell (1). A protruding guide wheel (706) is rotatably installed inside the concave slider (705). A fixing seat (703) is fixedly installed on the top of the top placement plate (701). Two lifting rings (704) are installed on the top of the fixing seat (703).

9. A compact lithium-ion battery pack suitable for irregularly shaped spaces in coal mine roadways according to claim 8, characterized in that: The placement plate (701) located inside the arc-shaped outer shell (2) has symmetrical arc-shaped arrangement on both sides, and several heat dissipation grooves are opened through the placement plate (701).

10. A compact lithium-ion battery pack suitable for irregularly shaped spaces in coal mine roadways according to claim 9, characterized in that: The rectangular shell (1) has several grooves (10) on both sides that are adapted to the concave slider (705), and a limiting groove (11) adapted to the guide wheel (706) is provided on one side of the groove (10). A cable outlet box is also installed on the outside of the rectangular shell (1).

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