Lithium battery

Abstract

The utility model discloses a lithium battery which comprises a trapezoidal mounting seat, a lithium battery base arranged above the trapezoidal mounting seat, a lithium battery shell arranged at the central position of the top end of the lithium battery base, a shell cover arranged at the top end of the lithium battery shell, a positive electrode connector arranged on one side of the top end of the shell cover, and a negative electrode connector arranged on the other side of the top end of the shell cover, a lower battery holder is mounted at the bottom end in the lithium battery shell, an upper battery holder is mounted at the top end in the lithium battery shell, a plurality of lithium battery bodies are arranged in the lithium battery shell between the upper battery holder and the lower battery holder, and two trapezoidal limiting grooves are formed in the inner walls of the two sides of the lithium battery shell; and two first trapezoidal limiting blocks are arranged on the outer walls of the two sides of the upper battery holder. According to the lithium battery, the purpose of easily assembling and manufacturing the lithium battery is achieved, the heat dissipation performance of the lithium battery is improved, the service life of the lithium battery is prolonged, and the purpose of positioning and arranging the lithium battery is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium batteries, in particular to a lithium battery. Background Art

[0002] With the rapid development of portable electronic devices, electric vehicles and energy storage systems, higher requirements are placed on the energy density, cycle stability and safety of batteries. Although traditional lithium batteries dominate the market, they still have problems such as being difficult to assemble and manufacture. Therefore, the development of an easy-to-assemble lithium battery has become a hot topic in current research.

[0003] A lithium battery with reference announcement number CN201868517U includes a lithium battery body and a shell that encapsulates the lithium battery body. A protection circuit board is also provided in the shell. The protection circuit board is electrically connected to the positive and negative electrodes of the lithium battery body to protect the lithium battery. The lithium battery utilizes a specific structure and process to encapsulate the protection circuit board and the lithium battery together, so that the lithium battery also has the function of a battery protection circuit, thereby making the use of the utility model more convenient and of course expanding the application field of the lithium battery. According to the above, although the lithium battery can be well applied, it is usually not convenient to quickly calibrate the lithium battery pack and place it in the lithium battery shell, which affects the manufacturing efficiency of the lithium battery and often troubles people. Utility Model Content

[0004] The purpose of the utility model is to provide a lithium battery to solve the problem in the above background technology that although the lithium battery can be well applied, it is usually not convenient to quickly calibrate and place the lithium battery pack in the lithium battery housing, thereby affecting the lithium battery manufacturing efficiency.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a lithium battery comprises a trapezoidal mounting seat, a lithium battery base is arranged above the trapezoidal mounting seat, a lithium battery shell is arranged at the central position of the top of the lithium battery base, a shell cover is arranged on the top of the lithium battery shell, a positive terminal is arranged on one side of the top of the shell cover, and a negative terminal is arranged on the other side of the top of the shell cover, a lower battery seat is arranged at the bottom end of the lithium battery shell, an upper battery seat is arranged at the top of the lithium battery shell, a plurality of lithium battery bodies are arranged inside the lithium battery shell between the upper battery seat and the lower battery seat, two trapezoidal limiting grooves are arranged on the inner walls on both sides of the lithium battery shell, two first trapezoidal limiting blocks are arranged on the outer walls on both sides of the upper battery seat, the first trapezoidal limiting blocks are slidably connected to the trapezoidal limiting grooves, and two second trapezoidal limiting blocks are arranged on the outer walls on both sides of the lower battery seat, the second trapezoidal limiting blocks are slidably connected to the trapezoidal limiting grooves.

[0006] Preferably, four locking bolts are provided at the top of the trapezoidal mounting seat below the lithium battery base, and the top of the locking bolts passes through the lithium battery base and is threaded with a locking nut. The locking nut is screwed into the outer wall of the locking bolt and fits against the upper surface of the lithium battery base so as to firmly place the lithium battery base on top of the trapezoidal mounting seat.

[0007] Preferably, positioning pins are installed at the corners of the top of the shell cover, and the bottom ends of the positioning pins penetrate the shell cover and are threadedly connected to the top of the lithium battery shell. The positioning pins are provided to allow the shell cover to be installed on the top of the lithium battery shell.

[0008] Preferably, a positive electrode material is provided at the center of the top of the lithium battery body, and a negative electrode material is provided at the center of the bottom of the lithium battery body, and the positive electrode material and the negative electrode material are provided so as to place the positive electrode connecting bar and the negative electrode connecting bar.

[0009] Preferably, a positive electrode connecting bar is provided on the top of the upper battery seat, the bottom end of the positive electrode connecting bar touches the top of the positive electrode material, and the positive electrode connecting bar is electrically connected to the bottom end of the positive electrode connector through a wire. The positive electrode connecting bar is provided to connect multiple positive electrode materials.

[0010] Preferably, a heat collecting plate is provided on the inner wall of the lithium battery shell in front and behind the lithium battery body, and a plurality of heat dissipation fins are provided on the outer wall of the heat collecting plate away from the lithium battery body, and the ends of the heat dissipation fins away from the heat collecting plate extend to the outside of the lithium battery shell. The heat dissipation performance of the lithium battery is improved by arranging the heat collecting plate and the heat dissipation fins.

[0011] Preferably, a negative electrode connecting bar is provided at the bottom of the second trapezoidal limit block, the top end of the negative electrode connecting bar touches the bottom end of the negative electrode material, and the negative electrode connecting bar is electrically connected to the bottom end of the negative electrode connector through a wire. The negative electrode connecting bar is provided so as to connect multiple negative electrode materials.

[0012] Compared with the prior art, the beneficial effects of the utility model are: the lithium battery not only achieves the purpose of facilitating the assembly and manufacturing of the lithium battery, but also improves the heat dissipation performance of the lithium battery, prolongs the service life of the lithium battery, and achieves the purpose of positioning and placing the lithium battery;

[0013] (1) By providing two trapezoidal limit grooves on the inner walls on both sides of the lithium battery housing, and providing two first trapezoidal limit blocks and second trapezoidal limit blocks on the outer walls on both sides of the upper battery seat and the lower battery seat respectively, when placing the lithium battery pack formed by the upper battery seat, the lithium battery body and the lower battery seat, the second trapezoidal limit block and the first trapezoidal limit block only need to slide downward from the upper end of the trapezoidal limit groove in sequence, so that the lithium battery pack can be quickly aligned and placed on the inner side of the lithium battery housing, thereby achieving the purpose of facilitating the assembly and manufacturing of the lithium battery;

[0014] (2) Heat collecting plates are arranged on the front and rear inner walls of the lithium battery housing, so that the heat collecting plates can absorb the heat energy emitted by the lithium battery body inside the lithium battery housing, and the heat energy absorbed by the heat collecting plates can be conducted out through heat exchange by the heat dissipation fins, so as to improve the heat dissipation performance of the lithium battery, thereby reducing the phenomenon of bulging and damage of the lithium battery body due to high temperature, thereby extending the service life of the lithium battery;

[0015] (3) By calibrating the through hole at the corner of the lithium battery base to the locking bolt, and then inserting the lithium battery base onto the outer wall of the four locking bolts through the through hole, and then screwing the locking nut into the top of the lithium battery base that is tightened on the outer wall of the locking bolt, the lithium battery base can be firmly placed on the top of the trapezoidal mounting base, thereby achieving the purpose of positioning and placing the lithium battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural schematic diagram of the utility model from a top view;

[0017] Figure 2 This is a schematic diagram of the top view of the lithium battery housing of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the lithium battery body of the utility model when viewed from above;

[0019] Figure 4 It is a schematic diagram of the side structure of the heat collecting plate of the utility model.

[0020] In the figure: 1. trapezoidal mounting seat; 2. lithium battery base; 3. locking bolt; 4. locking nut; 5. lithium battery shell; 6. shell cover; 7. positioning pin; 8. positive electrode connector; 9. negative electrode connector; 10. heat dissipation fin; 11. collector plate; 12. upper battery seat; 13. lithium battery body; 14. positive electrode material; 15. positive electrode connecting strip; 16. trapezoidal limiting groove; 17. first trapezoidal limiting block; 18. lower battery seat; 19. negative electrode material; 20. negative electrode connecting strip; 21. second trapezoidal limiting block. DETAILED DESCRIPTION

[0021] 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. 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.

[0022] See also Figure 1-4 The utility model provides an embodiment: a lithium battery, comprising a trapezoidal mounting seat 1, a lithium battery base 2 is arranged above the trapezoidal mounting seat 1, four locking bolts 3 are arranged at the top of the trapezoidal mounting seat 1 below the lithium battery base 2, and the top of the locking bolt 3 passes through the lithium battery base 2 and is threadedly installed with a locking nut 4;

[0023] When in use, the locking nut 4 is screwed into the outer wall of the locking bolt 3 and fits against the upper surface of the lithium battery base 2, so that the lithium battery base 2 is firmly placed on the trapezoidal mounting base 1;

[0024] A lithium battery housing 5 is provided at the center of the top of the lithium battery base 2, a shell cover 6 is installed at the top of the lithium battery housing 5, and positioning pins 7 are installed at the corners of the top of the shell cover 6. The bottom end of the positioning pin 7 penetrates the shell cover 6 and is threadedly connected to the top of the lithium battery housing 5;

[0025] When in use, the housing cover 6 is installed on the top of the lithium battery housing 5 by setting the positioning pin 7;

[0026] A positive electrode connector 8 is provided on one side of the top of the shell cover 6, and a negative electrode connector 9 is provided on the other side of the top of the shell cover 6. A lower battery seat 18 is installed at the bottom of the lithium battery shell 5, and an upper battery seat 12 is installed at the top of the lithium battery shell 5. A plurality of lithium battery bodies 13 are provided inside the lithium battery shell 5 between the upper battery seat 12 and the lower battery seat 18. A positive electrode material 14 is provided at the center of the top of the lithium battery body 13, and a negative electrode material 19 is provided at the center of the bottom of the lithium battery body 13.

[0027] When in use, the positive electrode material 14 and the negative electrode material 19 are arranged so as to place the positive electrode connecting bar 15 and the negative electrode connecting bar 20;

[0028] A positive electrode connecting bar 15 is provided on the top of the upper battery holder 12, the bottom end of the positive electrode connecting bar 15 touches the top end of the positive electrode material 14, and the positive electrode connecting bar 15 is electrically connected to the bottom end of the positive electrode connector 8 through a wire;

[0029] When in use, the positive electrode connecting bar 15 is provided so as to connect a plurality of positive electrode materials 14;

[0030] A negative electrode connecting bar 20 is provided at the bottom of the second trapezoidal limiting block 21, the top of the negative electrode connecting bar 20 touches the bottom end of the negative electrode material 19, and the negative electrode connecting bar 20 is electrically connected to the bottom end of the negative electrode connector 9 through a wire;

[0031] When in use, the negative electrode connecting bar 20 is provided so as to connect a plurality of negative electrode materials 19;

[0032] Heat collecting plates 11 are provided on the inner walls of the lithium battery housing 5 at the front and rear of the lithium battery body 13, and a plurality of heat dissipation fins 10 are provided on the outer wall of the heat collecting plate 11 away from the lithium battery body 13, and the ends of the heat dissipation fins 10 away from the heat collecting plate 11 extend to the outside of the lithium battery housing 5;

[0033] When in use, the heat collecting plate 11 and the heat dissipating fins 10 are arranged to improve the heat dissipation performance of the lithium battery;

[0034] Two trapezoidal limit grooves 16 are provided on the inner walls on both sides of the lithium battery housing 5, two first trapezoidal limit blocks 17 are provided on the outer walls on both sides of the upper battery seat 12, and the first trapezoidal limit blocks 17 are slidably connected to the trapezoidal limit grooves 16, and two second trapezoidal limit blocks 21 are provided on the outer walls on both sides of the lower battery seat 18, and the second trapezoidal limit blocks 21 are slidably connected to the trapezoidal limit grooves 16.

[0035] When the embodiment of the present application is in use, the lithium battery is first positioned and placed by fitting the lithium battery base 2 onto the outer walls of the four locking bolts 3, and then screwing the locking nut 4 into the top of the lithium battery base 2 that is tightened onto the outer walls of the locking bolts 3. Thereafter, two trapezoidal limiting grooves 16 are provided on the inner walls on both sides of the lithium battery housing 5, and two first trapezoidal limiting blocks 17 and second trapezoidal limiting blocks 21 are provided on the outer walls on both sides of the upper battery seat 12 and the lower battery seat 18, respectively. When the lithium battery pack formed by the combination of the upper battery seat 12, the lithium battery body 13 and the lower battery seat 18 is placed, it is only necessary to slide the second trapezoidal limiting block 21 and the first trapezoidal limiting block 17 downward from the upper end of the trapezoidal limiting groove 16 in turn, so that the lithium battery pack can be quickly aligned and placed on the inner side of the lithium battery housing 5, and then the positioning pin 7 is screwed with the help of a tool to place it. The lower end of the positioning pin 7 passes through the shell cover 6 and is screwed into the top of the lithium battery shell 5, so that the shell cover 6 can cover and seal the top of the lithium battery shell 5. Finally, a heat collecting plate 11 is arranged on the front and rear inner walls of the lithium battery shell 5, so that the heat collecting plate 11 can absorb the heat energy emitted by the lithium battery body 13 inside the lithium battery shell 5, and the heat dissipation fins 10 can conduct heat exchange to the heat energy absorbed by the heat collecting plate 11 to improve the heat dissipation performance of the lithium battery. In addition, through the arrangement of the positive terminal 8 and the negative terminal 9, it is only necessary to connect the external electrical components to the positive terminal 8 and the negative terminal 9 through wires to power the electrical components, and the positive terminal 8 and the negative terminal 9 are respectively electrically connected to the positive connecting bar 15 and the negative connecting bar 20 by wires. This connection technology is a prior art, so it is not described in detail, thereby completing the use of the lithium battery.

Claims

1. A lithium battery, characterized in that: The invention comprises a trapezoidal mounting seat (1), a lithium battery base (2) is arranged above the trapezoidal mounting seat (1), a lithium battery housing (5) is arranged at the center position of the top of the lithium battery base (2), a shell cover (6) is arranged at the top of the lithium battery housing (5), a positive electrode connector (8) is arranged on one side of the top of the shell cover (6), a negative electrode connector (9) is arranged on the other side of the top of the shell cover (6), a lower battery seat (18) is arranged at the bottom of the lithium battery housing (5), an upper battery seat (12) is arranged at the top of the lithium battery housing (5), and the upper battery seat (18) is arranged at the bottom of the lithium battery housing (5). A plurality of lithium battery bodies (13) are arranged inside a lithium battery shell (5) between an upper battery seat (12) and a lower battery seat (18); two trapezoidal limit grooves (16) are arranged on the inner walls on both sides of the lithium battery shell (5); two first trapezoidal limit blocks (17) are arranged on the outer walls on both sides of the upper battery seat (12); the first trapezoidal limit blocks (17) are slidably connected to the trapezoidal limit grooves (16); two second trapezoidal limit blocks (21) are arranged on the outer walls on both sides of the lower battery seat (18); the second trapezoidal limit blocks (21) are slidably connected to the trapezoidal limit grooves (16).

2. A lithium battery according to claim 1, characterized in that: Four locking bolts (3) are provided at the top of the trapezoidal mounting seat (1) below the lithium battery base (2); the tops of the locking bolts (3) penetrate the lithium battery base (2) and are threadedly mounted with locking nuts (4).

3. A lithium battery according to claim 1, characterized in that: Positioning pins (7) are installed at the corner positions of the top end of the shell cover (6), and the bottom ends of the positioning pins (7) penetrate the shell cover (6) and are threadedly connected to the top end of the lithium battery housing (5).

4. A lithium battery according to claim 1, characterized in that: A positive electrode material (14) is provided at the center of the top of the lithium battery body (13), and a negative electrode material (19) is provided at the center of the bottom of the lithium battery body (13).

5. A lithium battery according to claim 4, characterized in that: A positive electrode connecting bar (15) is provided on the top of the upper battery seat (12), the bottom end of the positive electrode connecting bar (15) touches the top end of the positive electrode material (14), and the positive electrode connecting bar (15) is electrically connected to the bottom end of the positive electrode connector (8) via a wire.

6. A lithium battery according to claim 1, characterized in that: Heat collecting plates (11) are provided on the inner walls of the lithium battery housing (5) at the front and rear of the lithium battery body (13); a plurality of heat dissipation fins (10) are provided on the outer wall of the heat collecting plate (11) away from the lithium battery body (13); and the ends of the heat dissipation fins (10) away from the heat collecting plate (11) extend to the outside of the lithium battery housing (5).

7. A lithium battery according to claim 4, characterized in that: A negative electrode connecting bar (20) is provided at the bottom of the second trapezoidal limiting block (21), the top end of the negative electrode connecting bar (20) contacts the bottom end of the negative electrode material (19), and the negative electrode connecting bar (20) is electrically connected to the bottom end of the negative electrode connector (9) via a wire.

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