Lithium iron phosphate battery
By using threaded joint electrode sheets and electrical connection components in lithium iron phosphate batteries, the electrical connection process of the battery is simplified, the installation efficiency and the stability of the electrical connection are improved, and the problem of cumbersome electrical connection in the prior art is solved.
Patent Information
- Application Number
- CN202421678995.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-15
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-07-15
AI Technical Summary
The electrical connection process of existing lithium iron phosphate batteries is cumbersome and inefficient, and requires personnel to manually connect the wires, resulting in inconvenient installation.
A lithium iron phosphate battery is designed, and the electrode sheet and electrical connection assembly are connected with threaded fitting, including a first connection line, a second connection line, an end block and a nut. The stable connection of the electrode sheet is achieved through the sliding connection between the cover plate and the box. The integrated wire structure is on the lower side of the cover plate and is fixed by nuts and bolts.
It simplifies the electrical connection process of the battery, improves the operation convenience and the stability of the electrical connection, avoids loose wires, and improves installation efficiency.
Smart Images
Figure CN223079306U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of batteries, and specifically relates to a lithium iron phosphate battery. Background Art
[0002] Most lithium iron phosphate batteries are modularly arranged. Then, multiple lithium iron phosphate batteries are spliced and encapsulated, and then multiple lithium iron phosphate batteries are connected in series to achieve the power supply function. When electrically connecting the lithium iron phosphate batteries, wires are used to connect the positive and negative electrodes of the batteries, and then a plug wire is connected to both ends of the series circuit to achieve the function. Since it is necessary for personnel to electrically connect the positive and negative electrodes of the batteries with different wires in the above process, the installation is cumbersome and the efficiency is low. Therefore, a large amount of research has been carried out. Content of the Utility Model
[0003] The technical problem to be solved by the utility model is to provide a lithium iron phosphate battery, which can solve the problems in the current technology.
[0004] The utility model is realized by the following technical solutions: A lithium iron phosphate battery of the utility model includes a box body, and a plurality of lithium iron phosphate battery packs are arranged in the box body in a row. Two electrodes are arranged on the top of the lithium iron phosphate battery pack, and nuts are connected to the electrodes in a threaded fit. A cover plate is arranged on the top of the box body. It is characterized in that a plurality of side connection blocks are arranged on the front and rear sides of the cover plate, a convex block is arranged on one side of the side connection block, a plurality of sliding grooves are arranged on the front and rear sides of the box body, a vertical groove is communicated with one side of the sliding groove, and an electrical connection component for connecting the plurality of lithium iron phosphate battery packs in series is arranged on the lower side of the cover plate.
[0005] Further technical solution, the electrical connection component includes a plurality of first connection wires and a single second connection wire. First end blocks are arranged at both ends of the first connection wire, second end blocks are arranged at both ends of the second connection wire, internal threaded cylinders are arranged on the first end blocks and the second end blocks, and the internal threaded cylinders are fixedly connected to the cover plate. Electrode plates are arranged on one side of the first end blocks and the second end blocks. The electrode plates are clamped on the surfaces of the electrodes of the lithium iron phosphate battery packs, and the electrode plates are pressed by the nuts.
[0006] Further technical solution, a plug is arranged on the second connection wire, and the plug pieces in the plug are electrically connected to the electrode plates on one side of the second end blocks respectively.
[0007] Further technical solution, a plurality of inner holes are arranged in the cover plate, and the inner holes are arranged opposite to the nuts.
[0008] Further technical solution, a plurality of mounting holes are arranged in the cover plate, first bolts are arranged in the mounting holes, and the first bolts extend into the internal threaded cylinders and are connected in a threaded fit.
[0009] Further technical solution: A clamping groove is further arranged inside the cover plate, and the plug is clamped into the clamping groove.
[0010] Further technical solution: A plurality of bolt holes are arranged inside the cover plate, and second bolts are arranged inside the bolt holes. The second bolts are in threaded fit connection with the box body to realize the connection and fixation of the cover plate and the box body.
[0011] Further technical solution: The electrode plate on one side of the first end block is electrically connected to the wire inside the first connecting wire, and the electrode plate on one side of the second end block is electrically connected to the wire inside the second connecting wire.
[0012] The beneficial effects of the present utility model are as follows:
[0013] First, by arranging the first connecting wire, the first end block, the second connecting wire, the second end block and the electrode plate under the cover plate, after the cover plate and the box body are buckled, the electrode plate can move downward and then translate to the right to be clamped onto the outer surface of the electrode away from the electrode side. Personnel can use tools to turn the nut through the inner hole. After the nut is in threaded fit connection with the electrode, the electrode plate and the electrode are stably electrically connected, avoiding the process of separately pulling and connecting single connecting wires, which is convenient for operation. And integrating the wire structure under the cover plate also prevents it from loosening and improves the electrical connection stability. Description of the drawings
[0014] For easy explanation, the present utility model is described in detail by the following specific embodiments and drawings.
[0015] Figure 1 It is a schematic diagram of the overall structure of a lithium iron phosphate battery of the present utility model;
[0016] Figure 2 It is Figure 1 a schematic diagram at position A in
[0017] Figure 3 It is Figure 1 a schematic diagram at position B in
[0018] Figure 4 It is a schematic diagram of the internal structure after the cover plate and the box body are separated;
[0019] Figure 5 It is Figure 4 a schematic diagram at position C in
[0020] Figure 6 It is Figure 4 a schematic diagram at position D in
[0021] In the figure, the cover plate 11, the bolt hole 12, the inner hole 13, the mounting hole 14, the slide groove 15, the protrusion 16, the side connecting block 17, the box body 18, the vertical groove 19, the card slot 22, the plug 23, the lithium iron phosphate battery pack 24, the first connecting line 32, the electrode sheet 33, the nut 34, the second connecting line 35, the first end block 37, and the internal threaded cylinder 38. DETAILED DESCRIPTION
[0022] like Figures 1-6 As shown, the utility model is described in detail. For the convenience of description, the directions mentioned below are defined as follows: the up, down, left, right, front and back directions mentioned below are Figure 1 The up-down, left-right, front-back directions of the projection relationship are consistent. A lithium iron phosphate battery of the utility model includes a box body 18, and a plurality of lithium iron phosphate battery packs 24 are arranged in the box body 18. A cover plate 11 is arranged on the top of the box body 18, and a sliding disassembly assembly is arranged between the cover plate 11 and the box body 18 so that the cover plate 11 can slide open relative to the box body 18.
[0023] Advantageously, the sliding disassembly assembly includes a plurality of side connecting blocks 17 arranged on the front and rear sides of the cover plate 11, a protrusion 16 is arranged on one side of the side connecting block 17, a plurality of slide grooves 15 are arranged on the front and rear sides of the box body 18, and a vertical groove 19 is arranged on one side of the slide groove 15. When the cover plate 11 is buckled with the box body 18, the protrusion 16 is slid from the vertical groove 19 to the side of the slide groove 15, and then the cover plate 11 is moved to make the protrusion 16 slide into the slide groove 15 and abut against each other. After the protrusion 16 also gets to the right side of the slide groove 15, the cover plate 11 is aligned with the box body 18.
[0024] Advantageously, two electrodes are disposed on the top of the lithium iron phosphate battery pack 24, nuts 34 are threadedly connected to the electrodes, and an electrical connection assembly for connecting multiple lithium iron phosphate battery packs 24 in series is disposed on the lower side of the cover plate 11.
[0025] Advantageously, the electrical connection assembly includes multiple first connecting wires and a single second connecting wire, first end blocks 37 are provided at both ends of the first connecting wire 32, second end blocks 36 are provided at both ends of the second connecting wire 35, internal threaded barrels 38 are provided on the first end blocks 37 and the second end blocks 36, and the internal threaded barrels 38 are connected and fixed to the cover plate 11, and electrode sheets 33 are provided on one side of the first end blocks 37 and the second end blocks 36, and an open groove is provided in the electrode sheets 33, and the electrode sheets 33 are inserted into the electrode surface of the lithium iron phosphate battery pack 24 and the electrode sheets 33 are pressed by nuts 34.
[0026] Advantageously, a plug 23 is provided on the second connecting line 35 , and plug pieces in the plug 23 are electrically connected to the electrode pieces 33 on one side of the second end block 36 .
[0027] Advantageously, a plurality of inner holes 13 are provided in the cover plate 11, and the inner holes 13 are disposed opposite to the nuts 34.
[0028] Advantageously, a plurality of mounting holes 14 are provided in the cover plate 11. By providing first bolts in the mounting holes 14, the first bolts extend into the internal threaded cylinder 38 and are threadedly engaged and connected.
[0029] Advantageously, a card slot 22 is further provided in the cover plate 11, and the plug 23 is snapped into the card slot 22.
[0030] Advantageously, a plurality of bolt holes 12 are provided in the cover plate 11. By providing second bolts in the bolt holes 12, the cover plate 11 is fixedly connected to the box body 18 by the threaded engagement of the second bolts with the box body 18.
[0031] Advantageously, the electrode plate 33 on one side of the first end block 37 is electrically connected to the wire inside the first connecting wire (32), and the electrode plate 33 on one side of the second end block 36 is electrically connected to the wire inside the second connecting wire 35.
[0032] Connect the first connecting wire 32 between the positive and negative electrodes of adjacent lithium iron phosphate battery packs 24 respectively, and snap the electrode plate 33 onto the outer surface of the electrode and lock it with the nut 34; connect the positive electrode of the leftmost lithium iron phosphate battery pack 24 to the negative electrode of the rightmost lithium iron phosphate battery pack 24 through the second connecting wire 35 and the electrode plate 33, so that the plug 23 can realize the function of electrically connecting a plurality of series-connected lithium iron phosphate battery packs 24. At this time, electrically connect the electrical equipment in the external space to the plug 23.
[0033] When the first connecting wire 32 is respectively connected between the positive and negative electrodes of adjacent lithium iron phosphate battery packs 24, if the first connecting wire 32 is connected to the negative electrode of the first lithium iron phosphate battery pack 24, then the first connecting wire 32 needs to be connected to the positive electrode of the second lithium iron phosphate battery pack 24, and so on to achieve series connection. The above connection process is a common existing method to form a series power supply circuit of the lithium iron phosphate battery packs 24, and specific connection methods are not described in detail.
[0034] When installing the cover plate 11 and the box body 18, it is necessary to pre-rotate the nut 34 so that there is a gap between the nut 34 and the body of the lithium iron phosphate battery pack 24.
[0035] When the cover plate 11 is snapped onto the upper side of the box body 18 through the bumps 16, side connection blocks 17, vertical grooves 19 and sliding grooves 15, since the trajectories of the vertical grooves 19 and the sliding grooves 15 are to move downward first and then move to the right, it can just make the electrode plate 33 on the lower side of the cover plate 11 move downward, and then move to the right to make the electrode plate 33 snap onto the outer surface of the electrode. At this time, through the inner hole 13, it is convenient for personnel to insert a tool to lock the nut 34 to the outer surface of the electrode and abut against the electrode plate 33. At this time, the plug 23 and multiple lithium iron phosphate battery packs 24 can form a series power supply circuit through the electrical connection component.
[0036] The cover plate 11 and the box body 18 can be fixed by arranging a second bolt in the bolt hole 12.
[0037] The above is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any change or replacement that is conceived without creative labor should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims
1. A lithium iron phosphate battery, comprising a box body (18), wherein a plurality of lithium iron phosphate battery packs (24) are arranged in the box body (18), two electrodes are arranged on the top of the lithium iron phosphate battery pack (24), and nuts (34) are arranged on the electrodes in a threaded fit manner, and a cover plate (11) is arranged on the top of the box body (18), characterized in that, A plurality of side connection blocks (17) are arranged on the front and rear sides of the cover plate (11). A convex block (16) is arranged on one side of the side connection block (17). A plurality of chutes (15) are arranged on the front and rear sides of the box body (18). A vertical chute (19) is communicated and arranged on one side of the chute (15). An electrical connection component for connecting the lithium iron phosphate battery packs (24) in series is arranged on the lower side of the cover plate (11).
2. A lithium iron phosphate battery according to claim 1, characterized in that: The electrical connection component includes a plurality of first connection wires (32) and a single second connection wire (35). First end blocks (37) are arranged at both ends of the first connection wire (32). Second end blocks (36) are arranged at both ends of the second connection wire (35). An internal thread cylinder (38) is arranged on the first end block (37) and the second end block (36). The internal thread cylinder (38) is fixedly connected to the cover plate (11). Electrode plates (33) are arranged on one side of the first end block (37) and the second end block (36). The electrode plates (33) are clamped onto the electrode surfaces of the lithium iron phosphate battery packs (24), and the electrode plates (33) are pressed by the nuts (34).
3. A lithium iron phosphate battery according to claim 2, characterized in that: A plug (23) is arranged on the second connection wire (35). The plug pieces in the plug (23) are electrically connected to the electrode plates (33) on one side of the second end block (36).
4. A lithium iron phosphate battery according to claim 1, characterized in that: A plurality of internal holes (13) are arranged in the cover plate (11). The internal holes (13) are arranged opposite to the nuts (34).
5. A lithium iron phosphate battery according to claim 2, characterized in that: A plurality of mounting holes (14) are arranged in the cover plate (11). First bolts are arranged in the mounting holes (14). The first bolts extend into the internal thread cylinders (38) and are in threaded fit connection.
6. A lithium iron phosphate battery according to claim 2, characterized in that: A card slot (22) is further arranged in the cover plate (11). The plug (23) is clamped into the card slot (22).
7. A lithium iron phosphate battery according to claim 1, characterized in that: A plurality of bolt holes (12) are arranged in the cover plate (11). Second bolts are arranged in the bolt holes (12). The second bolts are in threaded fit connection with the box body (18) to realize the fixed connection between the cover plate (11) and the box body (18).
8. A lithium iron phosphate battery according to claim 2, characterized in that: The electrode plate (33) on one side of the first end block (37) is electrically connected to the wire inside the first connection wire (32). The electrode plate (33) on one side of the second end block (36) is electrically connected to the wire inside the second connection wire (35).