Lithium iron phosphate battery assembly structure

Abstract

The utility model relates to the field of lithium batteries, and discloses a lithium iron phosphate battery assembly structure which comprises a mounting shell, an outer negative plate is fixedly connected to the left side of the top end of the mounting shell, an outer positive plate is fixedly connected to the right side of the top end of the mounting shell, and a lithium battery panel is slidably connected to the interior of the mounting shell. An inner side negative electrode plate is fixedly connected to the left side of the top end of the lithium battery panel, an inner side positive electrode plate is fixedly connected to the right side of the top end of the lithium battery panel, an extrusion spring is fixedly connected to the top end in the mounting shell, and a limiting fixing assembly is mounted on the upper side of the exterior of the lithium battery panel. According to the utility model, the installation of the battery panel is more convenient, the installation and maintenance efficiency of the battery panel is improved, the use is convenient, the battery swelling caused by the increase of the chemical reaction rate in the battery and the increase of the internal pressure of the battery in a high-temperature environment is avoided, and the service life of the battery is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of lithium batteries, in particular to an assembly structure of a lithium iron phosphate battery. Background Art

[0002] Lithium battery is a battery with lithium metal or lithium compound as the positive electrode material. It is a rechargeable battery. Lithium battery has the advantages of high energy density, long cycle life, and light weight. Therefore, it is widely used in mobile electronic devices, electric vehicles, energy storage systems and other fields, and is used through assembly.

[0003] After searching, the announcement number CN216055019U is a lithium battery cell structure that is easy to assemble, including a lithium battery cell shell, the bottom surface of the lithium battery cell shell is fixedly connected to the lithium battery cell bottom plate, the top surface of the lithium battery cell shell is provided with a fixing groove, the fixing groove, the inner wall of the fixing groove is slidably connected to a fixing plate, the top surface of the fixing plate is fixedly connected to the lithium battery cell cover plate, and the bottom surface of the lithium battery cell cover plate overlaps the top surface of the lithium battery cell shell. Then the lithium battery cell cover plate is inserted into the fixing groove through the fixing plate, so that the second positive electrode and the second negative electrode are inserted into the connecting sleeve, and the assembly of the lithium battery cell can be completed, achieving the goal of facilitating the rapid assembly of the lithium battery cell, avoiding the situation that the traditional lithium battery cell assembly is troublesome and causes the low assembly efficiency of the lithium battery cell, increasing the output of the lithium battery cell, reducing the workload of the staff, and making the lithium battery cell assembly more convenient.

[0004] Based on the above patent, the existing lithium battery cells mentioned in its background technology are mostly troublesome to assemble, and it is difficult to quickly assemble the lithium battery cells, resulting in low assembly efficiency of the lithium battery cells, reduced output of the lithium battery cells, and increased workload of the staff, making the assembly of the lithium battery cells very inconvenient. In this regard, in response to this technical problem, the present application proposes a lithium iron phosphate battery assembly structure. Summary of the invention

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a lithium iron phosphate battery assembly structure to improve the efficiency of battery panel installation and maintenance and to increase the service life of the battery.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A lithium iron phosphate battery assembly structure comprises a mounting shell, wherein the top left side of the mounting shell is fixedly connected with an outer negative electrode sheet, the top right side of the mounting shell is fixedly connected with an outer positive electrode sheet, the interior of the mounting shell is slidably connected with a lithium battery plate, the top left side of the lithium battery plate is fixedly connected with an inner negative electrode sheet, the top right side of the lithium battery plate is fixedly connected with an inner positive electrode sheet, the top of the mounting shell is fixedly connected with an extrusion spring, the upper outer side of the lithium battery plate is fixedly connected with a limited position fixing component, both sides of the interior of the mounting shell are fixedly connected with limited position columns, the bottom end of the mounting shell is nested with a mounting block, the bottom end of the mounting block is fixedly connected with a support plate, both sides of the mounting block are fixedly connected with bonding strips, and a battery cooling component is installed inside the mounting shell.

[0008] Furthermore, the battery cooling assembly includes a plurality of air heat dissipation holes located on both sides of the mounting shell, a plurality of ventilation holes are opened on both sides of the mounting shell between the plurality of air heat dissipation holes, and heat dissipation copper plates are fixedly connected to both sides of the interior of the mounting shell.

[0009] Furthermore, the limiting and fixing assembly includes an installation frame located at the top of the lithium battery panel, both sides of the installation frame are slidably connected with limiting plates, the limiting plates are connected to both sides of the installation frame through limiting springs, and the left and right sides of the installation shell are slidably connected with adjustment pressing blocks.

[0010] Furthermore, the bottom end of the compression spring is attached to the top of the lithium battery plate, the outside of the inner negative electrode sheet is inserted into the inside of the outer negative electrode sheet, and the outside of the inner positive electrode sheet is inserted into the inside of the outer positive electrode sheet.

[0011] Furthermore, outer sides of the adhesive strip are correspondingly attached to two sides of the interior of the installation shell.

[0012] Furthermore, two sides of the lithium battery plate are slidably connected to the inner sides of the limiting columns respectively.

[0013] Furthermore, the inner sides of the heat dissipation copper plates are correspondingly attached to the two sides of the lithium battery board.

[0014] The utility model has the following beneficial effects:

[0015] In the utility model, the disassembly and installation of the battery panel are completed through the outer negative electrode sheet, the outer positive electrode sheet, the adjustment pressing block, the support plate, the extrusion spring, the installation frame, the limit plate and the limit spring, which makes the installation of the battery panel more convenient, improves the efficiency of the installation and maintenance of the battery panel, and is convenient to use.

[0016] In the utility model, heat dissipation of the battery is achieved through air heat dissipation holes, ventilation holes, heat dissipation copper plates, lithium battery plates, outer negative electrode sheets, outer positive electrode sheets, inner negative electrode sheets, and inner positive electrode sheets, thereby preventing the chemical reaction rate inside the battery from increasing under high temperature conditions, causing the internal pressure of the battery to increase and cause the battery to bulge, and improving the service life of the battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is an overall diagram of the assembly structure of a lithium iron phosphate battery proposed by the utility model;

[0018] Figure 2 This is a disassembled diagram of the assembly structure of a lithium iron phosphate battery proposed in the utility model;

[0019] Figure 3 This is an internal diagram of a lithium iron phosphate battery assembly structure proposed by the utility model;

[0020] Figure 4 This is an internal diagram of an installation frame of a lithium iron phosphate battery assembly structure proposed by the utility model;

[0021] Figure 5 A lithium battery plate structure diagram of a lithium iron phosphate battery assembly structure proposed by the utility model;

[0022] Figure 6 This is an internal diagram of an installation frame of a lithium iron phosphate battery assembly structure proposed by the utility model.

[0023] Legend:

[0024] 1. Installation frame; 2. Outer negative electrode sheet; 3. Adjustment and pressing block; 4. Air heat dissipation holes; 5. Ventilation holes; 6. Support plate; 7. Installation block; 8. Lamination strip; 9. Limiting column; 10. Lithium battery board; 11. Inner negative electrode sheet; 12. Extrusion spring; 13. Installation frame; 14. Heat dissipation copper plate; 15. Outer positive electrode sheet; 16. Limiting piece; 17. Limiting spring; 18. Inner positive electrode sheet. DETAILED DESCRIPTION

[0025] 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.

[0026] Reference Figure 1-6The utility model provides an embodiment: a lithium iron phosphate battery assembly structure, including a mounting shell 1, an outer negative electrode sheet 2 is fixedly connected to the left side of the top of the mounting shell 1, an outer positive electrode sheet 15 is fixedly connected to the right side of the top of the mounting shell 1, a lithium battery plate 10 is slidably connected to the inside of the mounting shell 1, an inner negative electrode sheet 11 is fixedly connected to the left side of the top of the lithium battery plate 10, an inner positive electrode sheet 18 is fixedly connected to the right side of the top of the lithium battery plate 10, an extrusion spring 12 is fixedly connected to the top of the mounting shell 1, a limited position fixing component is installed on the upper side of the outside of the lithium battery plate 10, limited position columns 9 are fixedly connected to both sides of the inside of the mounting shell 1, a mounting block 7 is nested at the bottom end of the mounting shell 1, and the bottom end of the mounting block 7 A support plate 6 is fixedly connected, and a bonding strip 8 is fixedly connected to both sides of the mounting block 7. A battery cooling component is installed inside the mounting shell 1. The limit fixing component includes a mounting frame 13 located at the top of the lithium battery plate 10. Both sides of the mounting frame 13 are slidably connected with a limit plate 16. The limit plate 16 is connected to both sides of the mounting frame 13 through a limit spring 17. The left and right sides of the mounting shell 1 are slidably connected with an adjustment pressing block 3. The bottom end of the extrusion spring 12 is attached to the top of the lithium battery plate 10. The outside of the inner negative electrode sheet 11 is inserted into the inside of the outer negative electrode sheet 2. The outside of the inner positive electrode sheet 18 is inserted into the inside of the outer positive electrode sheet 15. The outside of the bonding strip 8 is respectively attached to the two sides of the inside of the mounting shell 1;

[0027] When installing the lithium battery panel 10, the support plate 6 is pulled downward through the notch of the support plate 6, so that the mounting block 7 is separated from the interior of 1. At this time, the inner negative electrode sheet 11 and the inner positive electrode sheet 18 of the lithium battery panel 10 are turned upward, so that the lithium battery panel 10 is slid into the interior of 1. The top of the lithium battery panel 10 contacts the extrusion spring 12, so that the push-in of the lithium battery panel 10 produces a certain resistance, and the lithium battery panel 10 is continuously pushed inward. When the limit plate 16 contacts the inner notch of the pressing block 3, as the limit plate 16 contacts the inner notch of the pressing block 3, The force of the spring 17 causes the limiting piece 16 to pop out, thereby popping out the adjusting pressing block 3 to the outside for installation. When the battery is disassembled, the support plate 6 is removed and the adjusting pressing block 3 is pressed inward at the same time to move the limiting piece 16 inward. When the limiting piece 16 is pulled into the interior of the installation frame 13, the squeezing spring 12 generates a thrust on the lithium battery panel 10, thereby popping out the lithium battery panel 10 for disassembly, making the installation of the battery panel more convenient, improving the efficiency of battery panel installation and maintenance, and facilitating use.

[0028] Refer to 2 and Figure 4The battery cooling component includes a plurality of air heat dissipation holes 4 located on both sides of the mounting shell 1, and a plurality of ventilation holes 5 are opened on both sides of the mounting shell 1 between the plurality of air heat dissipation holes 4. The inner sides of the mounting shell 1 are fixedly connected with heat dissipation copper plates 14, and the two sides of the lithium battery board 10 are respectively slidably connected to the inner sides of the limit columns 9, and the inner sides of the heat dissipation copper plates 14 are respectively correspondingly attached to the two sides of the lithium battery board 10;

[0029] As the lithium battery plate 10 supplies power to the inner negative electrode sheet 11 and the inner positive electrode sheet 18, the outer surface of the lithium battery plate 10 generates a relatively high temperature, and the external air enters the interior of 1 through the air heat dissipation holes 4, thereby discharging the temperature generated by the lithium battery plate 10 to the outside. At the same time, the inner side of the heat dissipation copper plate 14 is attached to the outside of the lithium battery plate 10, thereby conducting the heat, and releasing the heat conducted by the heat dissipation copper plate 14 to the outside through a plurality of ventilation holes 5, so as to discharge the heat generated by the battery in time, avoid the increase of the chemical reaction rate inside the battery in a high temperature environment, and avoid the increase of the internal pressure of the battery to cause the battery to bulge, thereby improving the service life of the battery.

[0030] Working principle: When installing the lithium battery panel 10, pull it downward through the notch of the support plate 6, so that the installation block 7 is separated from the inside of 1. At this time, the inner negative electrode sheet 11 and the inner positive electrode sheet 18 of the lithium battery panel 10 are facing upward, so that the lithium battery panel 10 is slid into the inside of 1. The top of the lithium battery panel 10 contacts the extrusion spring 12, so that the push-in of the lithium battery panel 10 produces a certain resistance, and the lithium battery panel 10 is continuously pushed inward. When the limiting sheet 16 contacts the inner notch of the adjustment pressing block 3, the limiting sheet 16 is ejected as the limiting spring 17 is subjected to force, thereby ejecting the adjustment pressing block 3 outward, so as to install it. As the lithium battery panel 10 supplies power to the inner negative electrode sheet 11 and the inner positive electrode sheet 18, During the process, the outer surface of the lithium battery board 10 generates a higher temperature, and the external air enters the interior of 1 through the air heat dissipation holes 4, thereby discharging the temperature generated by the lithium battery board 10 to the outside. At the same time, the inner side of the heat dissipation copper plate 14 is attached to the outside of the lithium battery board 10, thereby conducting the heat, and the heat conducted by the heat dissipation copper plate 14 is released to the outside through a plurality of ventilation holes 5, so that the heat generated by the battery is discharged in time. When the battery is disassembled, after the support plate 6 is removed, the adjustment pressing block 3 is pressed inwardly at the same time, and the limiting piece 16 is moved inwardly. When the limiting piece 16 is pulled into the interior of the installation frame 13, the extrusion spring 12 generates a thrust on the lithium battery board 10, thereby popping out the lithium battery board 10 for disassembly.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A lithium iron phosphate battery assembly structure, comprising a mounting housing (1), characterized in that: The left side of the top of the installation shell (1) is fixedly connected to an outer negative electrode sheet (2), the right side of the top of the installation shell (1) is fixedly connected to an outer positive electrode sheet (15), the interior of the installation shell (1) is slidably connected to a lithium battery plate (10), the left side of the top of the lithium battery plate (10) is fixedly connected to an inner negative electrode sheet (11), the right side of the top of the lithium battery plate (10) is fixedly connected to an inner positive electrode sheet (18), the top of the interior of the installation shell (1) is fixedly connected to a compression spring (12), a limited position fixing component is installed on the outer upper side of the lithium battery plate (10), both sides of the interior of the installation shell (1) are fixedly connected to limited position columns (9), a mounting block (7) is nested at the bottom end of the installation shell (1), the bottom end of the mounting block (7) is fixedly connected to a support plate (6), both sides of the mounting block (7) are fixedly connected to bonding strips (8), and a battery cooling component is installed inside the installation shell (1).

2. A lithium iron phosphate battery assembly structure according to claim 1, characterized in that: The battery cooling component comprises a plurality of air heat dissipation holes (4) located on both sides of the mounting shell (1), a plurality of ventilation holes (5) are provided on both sides of the mounting shell (1) and between the plurality of air heat dissipation holes (4), and heat dissipation copper plates (14) are fixedly connected to both sides of the interior of the mounting shell (1).

3. The lithium iron phosphate battery assembly structure according to claim 1, characterized in that: The limiting fixing assembly comprises a mounting frame (13) located at the top of the lithium battery panel (10), both sides of the mounting frame (13) are slidably connected to limiting plates (16), the limiting plates (16) are connected to both sides of the mounting frame (13) via limiting springs (17), and the left and right sides of the mounting shell (1) are slidably connected to adjusting pressing blocks (3).

4. The lithium iron phosphate battery assembly structure according to claim 3, characterized in that: The bottom end of the compression spring (12) is attached to the top end of the lithium battery plate (10), the outside of the inner negative electrode sheet (11) is inserted into the inside of the outer negative electrode sheet (2), and the outside of the inner positive electrode sheet (18) is inserted into the inside of the outer positive electrode sheet (15).

5. The lithium iron phosphate battery assembly structure according to claim 3, characterized in that: The outer sides of the bonding adhesive strip (8) are respectively bonded to the two inner sides of the mounting shell (1).

6. The lithium iron phosphate battery assembly structure according to claim 2, characterized in that: Both sides of the lithium battery plate (10) are slidably connected to the inner sides of the limiting pillars (9) respectively.

7. The lithium iron phosphate battery assembly structure according to claim 2, characterized in that: The inner sides of the heat dissipation copper plate (14) are respectively and correspondingly attached to the two sides of the lithium battery plate (10).

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