High-capacity lithium battery pack and preparation process thereof

Abstract

The invention discloses a high-capacity lithium battery pack and a preparation process thereof, and relates to the technical field of lithium battery packs. Comprising a packaging box, a connecting structure is slidably connected to the inner side of the top of the packaging box, a packaging cover is inserted into the top of the packaging box, the packaging box comprises a box body, a limiting lattice is fixedly connected to the inner side of the top of the box body, a lithium battery is inserted into the inner side of the limiting lattice, and a welding position is installed in the middle of the top of the lithium battery; the packaging cover comprises a mounting plate, a plurality of limiting telescopic rods are mounted in the middle of the top of the mounting plate, a detection plate is mounted at one end of the top of each limiting telescopic rod, and a first copper sheet can be limited to the inner side of the bottom of a connecting plate in advance through a connecting structure and then mounted on the upper surface of the box body, so that the welding frequency of the lithium battery is reduced, and the welding efficiency is improved. And when a pressing plate is pressed, a moving rod drives a second copper sheet to make contact with the top of a first copper sheet, and therefore the effect that detection is conveniently conducted through a transmission lamp is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of lithium battery packs, and in particular to a high-capacity lithium battery pack and a preparation process thereof. Background Art

[0002] In the current existing technology, the material selection of the lithium battery pack frame is usually one of the most important links in the design. The ideal material should be lightweight, high-strength, corrosion-resistant and have good thermal conductivity. Common materials include aluminum alloys, magnesium alloys and carbon fiber composites, and commonly used materials are roughly divided into plastics, steel shells and aluminum shells. Among them, battery shells processed from aluminum are considered to be the best choice, which enables optimized battery pack design and material selection. High-capacity lithium battery packs can store more electrical energy, thereby extending the use time of portable electronic devices.

[0003] However, the existing technology still has shortcomings, such as the following aspects: The high-capacity lithium battery pack has a simple structure, and most of them can only perform the installation function of the lithium battery. When the high-capacity lithium battery pack has circuit problems, most of them can only replace the entire high-capacity lithium battery pack, which will cause the useful lithium batteries in the high-capacity lithium battery pack to be replaced together, resulting in a waste of resources. Summary of the invention

[0004] The present invention provides a high-capacity lithium battery pack and a preparation process thereof to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: A high-capacity lithium battery pack and a preparation process thereof, comprising a packaging box, a connection structure is slidably connected to the inner side of the top of the packaging box, a packaging cover is plugged into the top of the packaging box, the packaging box comprises a box body, a limited grid is fixedly connected to the inner side of the top of the box body, a lithium battery is plugged into the inner side of the limited grid, and a welding point is installed in the middle of the top of the lithium battery; The packaging cover includes a mounting plate, a plurality of limiting telescopic rods are installed in the middle of the top of the mounting plate, a detection plate is installed at one end of the top of the limiting telescopic rod, lamp holes are opened on the outer walls on the upper and lower sides of the detection plate, and a transmission lamp is installed inside the lamp hole.

[0006] Preferably, the connection structure comprises a connection plate, a rubber block is fixedly connected to the inner side of the bottom of the connection plate, a copper plate is movably sleeved on the outer wall of the rubber block, and a No. 1 copper sheet is fixedly connected to both ends of the copper plate.

[0007] Preferably, a plurality of welding holes are provided on the top of the connecting plate and on the upper surface of the No. 1 copper sheet, and a transmission line is installed on the top of the No. 1 copper sheet.

[0008] Preferably, both sides of the top of the box body are fixedly connected to limit frames, the top of the limit frames is provided with docking holes, and the inner side of the bottom of the mounting plate is fixedly connected to docking columns.

[0009] Preferably, a detection frame is fixedly connected to the top of the mounting plate, pressing grooves are provided on both sides of the top of the detection frame, and pressing plates are fixedly connected to the outer walls on both sides of the detection plate and located inside the pressing grooves.

[0010] Preferably, a detection copper wire is installed at the bottom of the transmission lamp, a plurality of moving rods are installed at the bottom of the detection plate, and a return spring is movably sleeved on the outer wall of the limiting telescopic rod.

[0011] Preferably, a plurality of descending holes are opened on the top of the mounting plate, a No. 2 copper sheet is installed at the bottom of the moving rod and inside the descending hole, and one end of the bottom of the detection copper wire is installed on one side of the top of the No. 2 copper sheet.

[0012] According to the above technical solution of a high-capacity lithium battery pack, a high-capacity lithium battery pack and a preparation process thereof will also be provided, including the following steps: Step 1: Place the lithium battery between the limit grids inside the box body to facilitate subsequent replacement or installation; Step 2: Sleeve the inner side of the copper plate on the outer wall of the rubber block, limit the No. 1 copper sheet on the inner side of the connecting plate, and then weld the No. 1 copper sheet to the top of the welding point from the inner side of the welding hole; Step 3: Install the mounting plate on the top of the box body. Press the pressing plate to make the moving rod drive the No. 2 copper sheet to contact the top of the No. 1 copper sheet. Use the No. 2 copper sheet to transmit electricity to the transmission light for detection.

[0013] In summary, this technical solution mainly has the following beneficial effects: The No. 1 copper sheet can be limited to the inner side of the bottom of the connecting plate in advance through the connection structure, and then installed on the upper surface of the box body, so that when welding the No. 1 copper sheet to the welding point, the operation is convenient, and the problem of holding the lithium battery or controlling the copper sheet lamp when welding the lithium battery is reduced; By pressing the pressing plate, the moving rod drives the No. 2 copper sheet to contact the top of the No. 1 copper sheet, which facilitates the detection using the transmission light. When there is a problem with the lithium battery pack, the pressing plate can be pressed and the No. 1 copper sheet can be used for detection to identify which lithium battery has a problem, making it easier to replace it. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the main structure of the present invention; Figure 2 It is a schematic diagram of the internal structure of the present invention; Figure 3 It is a schematic diagram of the cross-sectional structure of the packaging cover of the present invention; Figure 4 It is a bottom view structural schematic diagram of the connection structure of the present invention; Figure 5 It is a schematic diagram of the top view of the packaging box of the present invention.

[0015] In the figure: 1. packaging box; 11. box body; 12. limit grid; 13. lithium battery; 131. welding point; 14. limit frame; 141. docking hole; 2. connection structure; 21. connection plate; 22. welding hole; 23. rubber block; 24. No. 1 copper sheet; 241. copper plate; 25. transmission line; 3. packaging cover; 31. mounting plate; 32. detection frame; 321. pressing groove; 33. detection plate; 331. lamp hole; 332. pressing plate; 34. transmission lamp; 341. detection copper wire; 35. limit telescopic rod; 351. reset spring; 36. moving rod; 37. descending hole; 38. No. 2 copper sheet; 39. docking column. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0017] like Figure 1 - Figure 5 As shown, a high-capacity lithium battery pack and its preparation process, comprising a packaging box 1, a connection structure 2 is slidably connected to the inner side of the top of the packaging box 1, a packaging cover 3 is plugged into the top of the packaging box 1, the packaging box 1 comprises a box body 11, a limited grid 12 is fixedly connected to the inner side of the top of the box body 11, a lithium battery 13 is plugged into the inner side of the limited grid 12, and a welding point 131 is installed in the middle of the top of the lithium battery 13; The packaging cover 3 includes a mounting plate 31, a plurality of limiting telescopic rods 35 are installed in the middle of the top of the mounting plate 31, a detection plate 33 is installed at one end of the top of the limiting telescopic rod 35, and lamp holes 331 are opened on the outer walls of the upper and lower sides of the detection plate 33, and a transmission lamp 34 is installed inside the lamp hole 331.

[0018] It should be noted that, in this embodiment, when installing the lithium battery 13, the lithium battery 13 is first placed between the limit grids 12, so as to discharge the lithium battery into the inner cavity of the box body 11, and then the connecting structure 2 is installed on the upper surface of the lithium battery, and the No. 1 copper sheet 24 is welded to the top of the welding point 131 by using a welding tool, and then the detection plate 33 can be driven down by pressing the pressing plate 332, and the limit telescopic rod 35 is used to limit the position, and the No. 2 copper sheet 38 is used to contact the No. 1 copper sheet 24, and the power is transmitted to the transmission light 34 through the detection copper wire 341. If the lithium battery 13 cannot be used, the transmission light 34 can be used for detection.

[0019] The connection structure 2 includes a connection plate 21, a rubber block 23 is fixedly connected to the inner side of the bottom of the connection plate 21, a copper plate 241 is movably sleeved on the outer wall of the rubber block 23, a No. 1 copper sheet 24 is fixedly connected to both ends of the copper plate 241, a plurality of welding holes 22 are opened on the top of the connection plate 21 and on the upper surface of the No. 1 copper sheet 24, and a transmission line 25 is installed on the top of the No. 1 copper sheet 24.

[0020] It should be noted that, in this embodiment, before fixing the top welding point 131 of the lithium battery 13 and the bottom of the No. 1 copper sheet 24, the inner side of the copper plate 241 is sleeved on the outer wall of the rubber block 23, so that the No. 1 copper sheet 24 and the copper plate 241 are limited on the inner side of the bottom of the connecting plate 21, and then the connecting plate 21 is inserted into the inner side of the limiting frame 14, and the bottom of the No. 1 copper sheet 24 and the top of the welding point 131 are fixed together using tools, so that the lithium battery 13 is connected together, and connected to the top of the No. 1 copper sheet 24 through the transmission line 25, and power is transmitted using the transmission line 25.

[0021] The two sides of the top of the box body 11 are fixedly connected to the limit frame 14, and the top of the limit frame 14 is provided with a docking hole 141. The inner side of the bottom of the mounting plate 31 is fixedly connected with a docking column 39. The top of the mounting plate 31 is fixedly connected with a detection frame 32. Pressing grooves 321 are provided on both sides of the top of the detection frame 32. The outer walls of both sides of the detection plate 33 and the inner sides of the pressing grooves 321 are fixedly connected with pressing plates 332. A detection copper wire 341 is installed at the bottom of the transmission lamp 34. A plurality of moving rods 36 are installed at the bottom of the detection plate 33. A return spring 351 is movably sleeved on the outer wall of the limit telescopic rod 35. A plurality of descending holes 37 are provided at the top of the mounting plate 31. A No. 2 copper sheet 38 is installed at the bottom of the moving rod 36 and located on the inner side of the descending hole 37. One end of the bottom of the detection copper wire 341 is installed to one side of the top of the No. 2 copper sheet 38.

[0022] It should be noted that, in this embodiment, after the connection structure 2 is installed, the bottom of the mounting plate 31 is pressed according to the outer wall of the top of the box body 11, so that the docking column 39 is inserted into the inner side of the docking hole 141. When the pressing plate 332 is pressed, the detection plate 33 drives the moving rod 36 to drive the No. 2 copper sheet 38 to descend, so that the bottom of the No. 2 copper sheet 38 enters the inner side of the welding hole 22 and contacts the top of the No. 1 copper sheet 24, thereby transmitting electricity to the transmission lamp 34 for detection through the detection copper wire 341.

[0023] According to the above embodiments, a high-capacity lithium battery pack and a preparation process thereof are also provided, comprising the following steps: Step 1: Place the lithium battery 13 between the inner limit grids 12 of the box body 11 to facilitate subsequent replacement or installation; Step 2: Sleeve the inner side of the copper plate 241 on the outer wall of the rubber block 23, limit the No. 1 copper sheet 24 on the inner side of the connecting plate 21, and then weld the No. 1 copper sheet 24 to the top of the welding point 131 from the inner side of the welding hole 22; Step 3: Install the mounting plate 31 on the top of the box body 11, and press the pressing plate 332 to make the moving rod 36 drive the second copper sheet 38 to contact the top of the first copper sheet 24, and use the second copper sheet 38 to transmit electricity to the transmission light 34 for detection.

[0024] The working principle of the present invention is as follows: when installing the lithium battery 13, first put the lithium battery 13 between the limiting grids 12, so as to discharge the lithium battery into the inner cavity of the box body 11, and then install the connecting structure 2 on the upper surface of the lithium battery, and weld the No. 1 copper sheet 24 to the top of the welding point 131 by using a welding tool, and then the detection plate 33 can be driven to descend by pressing the pressing plate 332, and the limiting telescopic rod 35 is used to limit the position, and the No. 2 copper sheet 38 is used to contact the No. 1 copper sheet 24, and the power is transmitted to the transmission light 34 through the detection copper wire 341. If the lithium battery 13 cannot be used, the transmission light 34 can be used for detection; Before fixing the top welding point 131 of the lithium battery 13 and the bottom of the No. 1 copper sheet 24, the inner side of the copper plate 241 is sleeved on the outer wall of the rubber block 23, so that the No. 1 copper sheet 24 and the copper plate 241 are limited on the inner side of the bottom of the connecting plate 21, and then the connecting plate 21 is inserted into the inner side of the limiting frame 14, and the bottom of the No. 1 copper sheet 24 and the top of the welding point 131 are fixed together by using a tool, so that the lithium battery 13 is connected together, and connected to the top of the No. 1 copper sheet 24 through the transmission line 25, and the transmission line 25 is used to transmit power; After the connection structure 2 is installed, the bottom of the installation plate 31 is pressed according to the outer wall of the top of the box body 11, so that the docking column 39 is inserted into the inner side of the docking hole 141. When the pressing plate 332 is pressed, the detection plate 33 drives the moving rod 36 to drive the No. 2 copper sheet 38 to descend, so that the bottom of the No. 2 copper sheet 38 enters the inner side of the welding hole 22 and contacts the top of the No. 1 copper sheet 24, thereby transmitting electricity to the transmission lamp 34 for detection through the detection copper wire 341.

[0025] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A high-capacity lithium battery pack and a preparation process thereof, comprising a packaging box (1), wherein a connection structure (2) is slidably connected to the inner side of the top of the packaging box (1), and a packaging cover (3) is inserted into the top of the packaging box (1), characterized in that: The packaging box (1) comprises a box body (11), the inner side of the top of the box body (11) is fixedly connected to a limiting grid (12), the inner side of the limiting grid (12) is plugged with a lithium battery (13), and a welding point (131) is installed in the middle of the top of the lithium battery (13); The packaging cover (3) comprises a mounting plate (31), a plurality of position-limiting telescopic rods (35) are mounted in the middle of the top of the mounting plate (31), a detection plate (33) is mounted at one end of the top of the position-limiting telescopic rod (35), and lamp holes (331) are formed on the outer walls of the upper and lower sides of the detection plate (33), and a transmission lamp (34) is mounted inside the lamp hole (331).

2. A high-capacity lithium battery pack and a preparation process thereof according to claim 1, characterized in that: The connection structure (2) comprises a connection plate (21), a rubber block (23) is fixedly connected to the inner side of the bottom of the connection plate (21), a copper plate (241) is movably sleeved on the outer wall of the rubber block (23), and a No. 1 copper sheet (24) is fixedly connected to both ends of the copper plate (241).

3. A high-capacity lithium battery pack and its preparation process according to claim 2, characterized in that: A plurality of welding holes (22) are provided on the top of the connection plate (21) and on the upper surface of the No. 1 copper sheet (24), and a transmission line (25) is installed on the top of the No. 1 copper sheet (24).

4. A high-capacity lithium battery pack and a preparation process thereof according to claim 1, characterized in that: The two sides of the top of the box body (11) are fixedly connected to a limit frame (14), the top of the limit frame (14) is provided with a docking hole (141), and the inner side of the bottom of the mounting plate (31) is fixedly connected to a docking column (39).

5. A high-capacity lithium battery pack and a preparation process thereof according to claim 1, characterized in that: The top of the mounting plate (31) is fixedly connected to a detection frame (32), both sides of the top of the detection frame (32) are provided with pressing grooves (321), and the outer walls of both sides of the detection plate (33) and located inside the pressing grooves (321) are fixedly connected to pressing plates (332).

6. A high-capacity lithium battery pack and a preparation process thereof according to claim 1, characterized in that: A detection copper wire (341) is installed at the bottom of the transmission lamp (34), a plurality of moving rods (36) are installed at the bottom of the detection plate (33), and a return spring (351) is movably sleeved on the outer wall of the position-limiting telescopic rod (35).

7. A high-capacity lithium battery pack and its preparation process according to claim 6, characterized in that: A plurality of descending holes (37) are provided on the top of the mounting plate (31), a No. 2 copper sheet (38) is installed at the bottom of the moving rod (36) and inside the descending holes (37), and one end of the bottom of the detection copper wire (341) is installed on one side of the top of the No. 2 copper sheet (38).

8. A high-capacity lithium battery pack and its preparation process according to any one of claims 1 to 7, characterized in that: The following steps are involved: Step 1: Place the lithium battery (13) between the inner limit grids (12) of the box body (11) to facilitate subsequent replacement or installation; Step 2: Sleeve the inner side of the copper plate (241) onto the outer wall of the rubber block (23), limit the No. 1 copper sheet (24) on the inner side of the connecting plate (21), and then weld the No. 1 copper sheet (24) to the top of the welding point (131) from the inner side of the welding hole (22); Step 3: Install the mounting plate (31) on the top of the box body (11), and press the pressing plate (332) so that the moving rod (36) drives the second copper sheet (38) to contact the top of the first copper sheet (24), and use the second copper sheet (38) to transmit electricity to the transmission lamp (34) for detection.

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