Low-temperature battery with good performance
By designing a clamping mechanism in the low-temperature battery to fix the lithium-ion battery on the bottom plate and wrapping the battery through the shell and the top plate, the problem of inefficient battery operation in low-temperature environments is solved, simplifying the battery installation and disassembly process and reducing costs.
Patent Information
- Application Number
- CN202421127664.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-05-22
AI Technical Summary
When existing low-temperature batteries operate in low-temperature environments, there are problems such as the reduction in the migration rate of lithium ions of positive and negative electrode materials, increasing polarization, increasing electrolyte viscosity and reducing conductivity, resulting in low battery operation efficiency and requiring special molds for splicing, which is cumbersome in operation and increases costs.
A low-temperature battery including a base plate, a shell, a roof plate and a lithium-ion battery was designed. By setting up multiple sets of clamping mechanisms on the base plate, using a combined structure of clamping blocks, clamping grooves, spring clips and fastening bolts, the lithium-ion battery is fixed on the base plate, and the battery is wrapped in all directions through the shell and the roof plate to ensure its normal operation in a low-temperature environment.
The lithium-ion battery is fixed to the bottom plate by clamping mechanism, which simplifies the installation and disassembly of the battery, avoids cumbersome splicing operations on the battery, reduces costs, and maintains the normal operation efficiency of the battery under low temperature environments.
Smart Images
Figure CN222637546U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of low-temperature batteries, in particular to a low-temperature battery with good performance. Background Art
[0002] Lithium-ion batteries are the most common and popular ion batteries in today's batteries, but the external operating environment has a huge impact on the battery. In a low-temperature environment, the migration rate of lithium ions in the positive and negative electrode materials is greatly reduced, the electrode polarization increases, and the viscosity of the electrolyte increases and the conductivity decreases. At the same time, the impedance of the electrolyte and electrode interface film increases. When the battery is running in a low-temperature environment, metallic lithium is easily deposited on the negative electrode, further increasing the polarization.
[0003] A low-temperature battery is a battery that can still maintain normal operation in a low-temperature environment. Most of the low-temperature batteries on the market today achieve the effect of normal operation of the battery at low temperatures by changing the positive and negative electrode materials of the battery cell and the electrolyte. Low-temperature batteries are often used in parallel in multiple sections. During operation, the batteries must be placed one by one in a special mold, and then the positive and negative electrodes of the batteries to be spliced are welded together, and then the batteries are bundled together with tape and film. The operation is relatively cumbersome, laborious, and inefficient, and requires a special mold, which increases the cost. Therefore, the utility model proposes a low-temperature battery with good performance to solve the above problems. Utility Model Content
[0004] In view of the above problems, the utility model proposes a low-temperature battery with good performance to solve the problem that in the prior art, the positive and negative electrodes of the spliced batteries need to be welded together, and then the batteries are bundled together with tape and film, etc. The operation is cumbersome, time-consuming, labor-intensive, and inefficient, and a special mold is required, which increases the cost.
[0005] To achieve the purpose of the utility model, the utility model is implemented through the following technical scheme: a low-temperature battery with good performance, including a bottom plate, an outer shell, a top plate and a lithium-ion battery, the top of the bottom plate is provided with an outer shell, the top of the outer shell is provided with a top plate, the top of the bottom plate is provided with multiple groups of clamping mechanisms, and the clamping mechanisms are installed with lithium-ion batteries.
[0006] A further improvement is that the clamping mechanism includes a clamping block, a clamping groove, a spring clamp and a fastening bolt, a plurality of groups of clamping blocks are provided on the top of the base plate, a clamping groove is provided inside the clamping block, the bottom of the lithium-ion battery is connected to the clamping block through the clamping groove, a spring clamp is fixedly connected to the top of the clamping block, and a fastening bolt is threadedly connected to the top of the clamping block.
[0007] A further improvement is that the top of the spring clip is inclined toward the lithium-ion battery, one side of the top of the fastening bolt is fitted and connected to one side of the spring clip, and an insulating plate is provided between adjacent lithium-ion batteries.
[0008] A further improvement is that: electrode columns are symmetrically arranged on the top of the lithium-ion battery, and connecting wires are arranged on the tops of the electrode columns, and the electrode columns on the tops of multiple lithium-ion batteries are connected in series through the connecting wires.
[0009] A further improvement is that threaded rods are symmetrically fixedly connected on both sides of the bottom plate, connecting seats are symmetrically provided on both sides of the top plate, the top ends of the threaded rods pass through the interior of the connecting seats, and nuts are threadedly connected to the top ends of the threaded rods.
[0010] A further improvement is that a sealing enclosure is provided inside the shell, a group of clamping blocks are symmetrically provided on both sides of the sealing enclosure, clamping grooves are symmetrically provided on both sides of the shell, and the sealing enclosure is connected by clamping blocks and clamping grooves.
[0011] A further improvement is that a protective edge is provided on the outer side of the shell, the protective edge includes a long side and a short side, and arc edges are symmetrically provided on both sides of the long side.
[0012] The beneficial effects of the utility model are as follows: the bottom of the lithium-ion battery is clamped into a group of clamping blocks along the clamping groove, and then the fastening bolt is screwed to move downward, and the fastening bolt squeezes the spring clamping piece to move toward the lithium-ion battery, and the two spring clamping pieces can clamp the two sides of the lithium-ion battery to fix the lithium-ion battery on the top of the bottom plate. When the lithium-ion battery needs to be disassembled, the fastening bolt can be screwed to move upward, and the fastening bolt no longer clamps the lithium-ion battery, and the lithium-ion battery can be taken out from the top of the bottom plate, making the lithium-ion battery installation process convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is the front view of the utility model;
[0014] Figure 2 This is a schematic diagram of the assembly of the low-temperature battery of the utility model;
[0015] Figure 3 This is a schematic diagram of the sealing structure of the utility model;
[0016] Figure 4 For this utility model Figure 2 A partial enlarged view of point A.
[0017] Among them: 1. bottom plate; 2. outer shell; 3. top plate; 4. clamp block; 5. lithium-ion battery; 6. clamp slot; 7. spring clip; 8. fastening bolt; 9. sealing enclosure; 10. clamp block; 11. clamp slot; 12. connecting seat; 13. threaded rod; 14. electrode column; 15. protective edge; 16. insulating plate. DETAILED DESCRIPTION
[0018] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with an embodiment. The embodiment is only used to explain the present invention and does not constitute a limitation on the protection scope of the present invention.
[0019] according to Figure 1 , 2 As shown in Figures 3 and 4, this embodiment proposes a low-temperature battery with good performance, including a bottom plate 1, a shell 2, a top plate 3 and a lithium-ion battery 5. The top of the bottom plate 1 is provided with a shell 2, the top of the shell 2 is provided with a top plate 3, the top of the bottom plate 1 is provided with multiple groups of clamping mechanisms, and the lithium-ion battery 5 is installed on the clamping mechanism. The lithium-ion battery 5 is fixed to the top of the bottom plate 1 by the clamping mechanism, and then the shell 2 is placed on the top of the bottom plate 1, and the shell 2 wraps the outside of the lithium-ion battery 5, and then the top plate 3 is covered on the top of the shell 2. The bottom plate 1, the shell 2 and the top plate 3 wrap the lithium-ion battery 5 in all directions, so as to protect the lithium-ion battery 5. The working principle of the low-temperature battery is to generate electrical energy by using the ionic conductivity of the electrolyte solution under certain temperature conditions.
[0020] The clamping mechanism includes a clamping block 4, a clamping groove 6, a spring clamping piece 7 and a fastening bolt 8. A plurality of clamping blocks 4 are provided on the top of the base plate 1. A clamping groove 6 is provided inside the clamping block 4. The bottom of the lithium-ion battery 5 is connected to the clamping block 4 through the clamping groove 6. The top of the clamping block 4 is fixedly connected with a spring clamping piece 7. The top of the clamping block 4 is threadedly connected with a fastening bolt 8. The top of the spring clamping piece 7 is inclined toward the direction of the lithium-ion battery 5. One side of the top of the fastening bolt 8 is connected to one side of the spring clamping piece 7. The lithium-ion battery 5 is fixedly connected to the clamping block 4 through the clamping groove 6. The bottom of the lithium-ion battery 5 is engaged with a group of clamping blocks 4, and then the fastening bolt 8 is screwed to move downward, and the fastening bolt 8 squeezes the spring clip 7 to move toward the lithium-ion battery 5. The two spring clips 7 can clamp the two sides of the lithium-ion battery 5 to fix the lithium-ion battery 5 on the top of the base plate 1. When the lithium-ion battery 5 needs to be disassembled, the fastening bolt 8 can be screwed to move upward, and the fastening bolt 8 no longer clamps the lithium-ion battery 5, and the lithium-ion battery 5 can be taken out from the top of the base plate 1, making the installation process of the lithium-ion battery 5 convenient.
[0021] An insulating plate 16 is provided between adjacent lithium-ion batteries 5 , and the insulating plate 16 can separate two adjacent lithium-ion batteries 5 to improve the safety of the low-temperature battery.
[0022] Electrode columns 14 are symmetrically arranged on the top of the lithium-ion battery 5, and connecting wires are arranged on the tops of the electrode columns 14. The electrode columns 14 on the tops of the multiple lithium-ion batteries 5 are connected in series with each other through the connecting wires. The electrode columns 14 on the tops of the lithium-ion batteries 5 are connected in series through the connecting wires to connect the electrical energy of the multiple lithium-ion batteries 5 into a whole, and a power connection port is arranged on the back side of the outer shell 2, and the power connection port is connected to the connecting wire. When an external wire is inserted into the power connection port, the low-temperature battery transmits electrical energy to the outside.
[0023] The bottom plate 1 is symmetrically fixedly connected with threaded rods 13 on both sides, and the top plate 3 is symmetrically provided with connecting seats 12 on both sides. The top ends of the threaded rods 13 pass through the interior of the connecting seats 12, and the top ends of the threaded rods 13 are threadedly connected with nuts. When the top plate 3 is covered on the top of the outer shell 2, the top ends of the threaded rods 13 on both sides of the bottom plate 1 pass through the interior of the connecting seats 12, and then the nuts are tightened on the top ends of the threaded rods 13. The nuts can clamp the top plate 3, the outer shell 2 and the bottom plate 1 to connect the bottom plate 1, the outer shell 2 and the top plate 3 as a whole.
[0024] A sealing enclosure 9 is provided inside the shell 2, and a group of card blocks 10 are symmetrically provided on both sides of the sealing enclosure 9. Card slots 11 are symmetrically provided on both sides of the shell 2. The sealing enclosure 9 is connected to the card slots 11 through the card blocks 10. After the card blocks 10 on both sides of the sealing enclosure 9 are aligned with the card slots 11 on both sides of the shell 2, the sealing enclosure 9 is pushed downward to make the card blocks 10 inserted into the inside of the card slots 11, so as to engage the sealing enclosure 9 on the inner side of the shell 2. The sealing enclosure 9 wraps the lithium-ion battery 5 while filling the gap between the shell 2 and the bottom plate 1 and the top plate 3 to ensure the sealing of the low-temperature battery.
[0025] A protective edge 15 is provided on the outer side of the shell 2. The protective edge 15 includes a long side and a short side. Arc edges are symmetrically provided on both sides of the long side. The protective edge 15 prevents foreign objects from directly contacting the shell 2, and is used to separate foreign objects from the shell 2 to protect the shell 2.
[0026] The low-temperature battery clamps the bottom of the lithium-ion battery 5 into a group of clamping blocks 4 along the clamping groove 6, and then the fastening bolt 8 is screwed to move downward, and the fastening bolt 8 squeezes the spring clip 7 to move toward the lithium-ion battery 5. The two spring clips 7 can clamp the two sides of the lithium-ion battery 5 to fix the lithium-ion battery 5 on the top of the base plate 1. When the lithium-ion battery 5 needs to be disassembled, the fastening bolt 8 can be screwed to move upward, and the fastening bolt 8 no longer clamps the lithium-ion battery 5, and the lithium-ion battery 5 can be taken out from the top of the base plate 1, making the installation process of the lithium-ion battery 5 convenient.
[0027] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A low-temperature battery with good performance, comprising a bottom plate (1), a housing (2), a top plate (3) and a lithium-ion battery (5), characterized in that: A shell (2) is provided on the top of the bottom plate (1), a top plate (3) is provided on the top of the shell (2), and a plurality of clamping mechanisms are provided on the top of the bottom plate (1), with lithium-ion batteries (5) mounted on the clamping mechanisms; The clamping mechanism comprises a clamping block (4), a clamping groove (6), a spring clamping piece (7) and a fastening bolt (8); a plurality of groups of clamping blocks (4) are arranged on the top of the base plate (1); a clamping groove (6) is arranged inside the clamping block (4); the bottom of the lithium-ion battery (5) is connected to the clamping block (4) by snapping through the clamping groove (6); the top of the clamping block (4) is fixedly connected with the spring clamping piece (7); and the top of the clamping block (4) is threadedly connected with the fastening bolt (8).
2. A low-temperature battery with good performance according to claim 1, characterized in that: The top of the spring clip (7) is inclined in the direction of the lithium-ion battery (5), one side of the top of the fastening bolt (8) is fitted and connected to one side of the spring clip (7), and an insulating plate (16) is provided between adjacent lithium-ion batteries (5).
3. A low-temperature battery with good performance according to claim 1, characterized in that: Electrode columns (14) are symmetrically arranged on the top of the lithium-ion battery (5), and connecting wires are arranged on the tops of the electrode columns (14). The electrode columns (14) on the tops of a plurality of lithium-ion batteries (5) are connected in series via the connecting wires.
4. A low-temperature battery with good performance according to claim 1, characterized in that: Threaded rods (13) are symmetrically fixedly connected to the two sides of the bottom plate (1), and connecting seats (12) are symmetrically provided on the two sides of the top plate (3). The top ends of the threaded rods (13) pass through the interior of the connecting seats (12), and the top ends of the threaded rods (13) are threadedly connected to nuts.
5. A low-temperature battery with good performance according to claim 1, characterized in that: A sealing enclosure (9) is provided inside the housing (2), a group of clamping blocks (10) are symmetrically provided on both sides of the sealing enclosure (9), and clamping grooves (11) are symmetrically provided on both sides of the housing (2), and the sealing enclosure (9) is connected to the clamping blocks (10) by clamping with the clamping grooves (11).
6. A low-temperature battery with good performance according to claim 1, characterized in that: A protective edge (15) is provided on the outer side of the housing (2), the protective edge (15) comprising a long side and a short side, and arc edges are symmetrically provided on both sides of the long side.