CN218005143U - Cylindrical battery cell assembling welding-free positioning frame plate and spot welding-free battery pack thereof - Google Patents
Cylindrical battery cell assembling welding-free positioning frame plate and spot welding-free battery pack thereof Download PDFInfo
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- CN218005143U CN218005143U CN202221079679.4U CN202221079679U CN218005143U CN 218005143 U CN218005143 U CN 218005143U CN 202221079679 U CN202221079679 U CN 202221079679U CN 218005143 U CN218005143 U CN 218005143U
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Abstract
The utility model relates to the technical field of batteries, especially, relate to a cylinder electricity core equipment exempts from to weld the locating support plate and exempts from spot welding group battery thereof. The utility model adopts the technical proposal that: the utility model discloses welding position frame plate is exempted from in cylinder electricity core equipment, the outstanding spacing frame of a location frame plate side a week sets up the electrode hole in the middle of the frame plate of location, and the electrode hole in a row arranges, and dislocation between the upper and lower row is equipped with the location arch between the adjacent motor hole, and the arcwall face is established to the protruding direction towards the locating hole in location. The utility model redesigns the welding-free positioning frame plate for assembling the cylindrical battery cell to enhance the fixing effect of the cylindrical battery cell and avoid the displacement of the cylindrical battery cell in use; the connection mode of the electrode connecting sheet and the cylindrical battery cell is reasonably arranged, so that the electrodes in production welding are isolated, and potential safety hazards caused by electrode contact in production are avoided.
Description
Technical Field
The utility model relates to the technical field of batteries, especially, relate to a cylinder electricity core equipment exempts from to weld the locating support plate and exempts from spot welding group battery thereof.
Background
The battery pack assembled by the conventional cylindrical battery cell directly fixes the battery cell and then welds an electrode at an electrode end so as to realize the assembly fixation and assembly of the whole cylindrical battery cell. The internal line between electric core and the BMS control panel uses wire rod welding more. The BMS module is directly attached to the battery pack body and has no good positioning and protection measures.
Even the cylinder electricity core directly uses the sticky tape fixed, and the internal weak structural strength of protection of group battery is low. When collision happens, the cylindrical battery cores are easy to move, and serious potential safety hazards exist.
Adopt the group battery of location casing equipment, collision location security is good enough, but the installation of BMS module still adopts simple pencil to connect, has the broken string during the extrusion, drops the risk.
Disclosure of Invention
The utility model provides a welding position frame plate is exempted from in cylinder electricity core equipment and spot welding group battery is exempted from to it realizes the inside wireless material welding of group battery, and the BMS module can be strengthened by good location and protection, inner structure.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model discloses welding position frame plate is exempted from in cylinder electricity core equipment, the outstanding spacing frame of a location frame plate side a week sets up the electrode hole in the middle of the frame plate of location, and the electrode hole in a row arranges, and dislocation between the upper and lower row is equipped with the location arch between the adjacent motor hole, and the arcwall face is established to the protruding direction towards the locating hole in location.
Preferably, the edge of the top of the limiting frame of the positioning frame plate is provided with an upper protection platform and a positioning pin which protrude upwards, the upper protection platform is higher than the positioning pin, and the edge of the bottom of the limiting frame of the positioning frame plate is provided with a lower protection platform which protrudes downwards.
Preferably, the upper protection platform is a field-shaped frame and is integrally formed with the positioning frame plate, the lower protection platform is a transverse rib and a plurality of transverse ribs, the upper portion of each longitudinal rib is integrally connected with the positioning frame plate, and the lower portion of each longitudinal rib is connected with the same transverse rib.
Preferably, the positioning convex graph is provided with three arc-shaped surfaces which face the adjacent three electrode holes respectively.
Preferably, the limiting frame is provided with a row of end limiting part at the position where the end part of the row of electrode holes is lacking, the row of end limiting part is provided with an arc-shaped surface towards the side surface of the same row of electrode holes, the limiting frame protrudes a positioning bulge between the uppermost row of electrode holes and the lowermost row of electrode holes towards the two adjacent electrode holes, and the positioning bulge and the limiting frame are of an integrated structure.
The spot welding-free battery pack assembled by the welding-free positioning frame plates assembled by the cylindrical battery cell comprises the cylindrical battery cell, two groups of welding-free positioning frame plates, an electrode connecting sheet and a BMS module;
the two groups of welding-free positioning frame plates are vertically arranged, the upper protection table is upward, the surfaces of the two welding-free positioning frame plates, which protrude out of the limiting frame, are inner side surfaces and are oppositely arranged, the end parts of the cylindrical battery cores are embedded into the electrode holes of the welding-free positioning frame plates, and the electrodes of the cylindrical battery cores embedded into each row of adjacent electrode holes are arranged in a staggered manner;
one end of the electrode connecting sheet protrudes out of the folding end, a protruding contact bulge is punched on the electrode connecting sheet, and the contact bulge of the electrode connecting sheet is embedded into the electrode hole on the outer side surface of the welding-free positioning frame plate and contacts with an electrode of the cylindrical battery cell;
the BMS module is arranged above the two welding-free positioning frame plates, and the folding end of the electrode connecting sheet is connected with the input end of the BMS module in a contact manner.
Preferably, the BMS module is provided with a positioning hole and a protection platform protruding hole, the positioning hole is matched with a positioning pin of the welding-free positioning frame plate, the upper protection platform of the welding-free positioning frame plate protrudes out of the upper protection platform protruding hole, and the highest position of the upper protection platform is higher than any position of the BMS module.
Preferably, the welding-free positioning frame plate is provided with six rows of eight electrode holes, and the electrode holes are manufactured by injection molding and integral molding.
Preferably, the connecting sheet is respectively connected with a single pole piece in parallel and a double pole piece in series, the single pole piece in parallel is connected with the positive electrode or the negative electrode end of the cylindrical battery cells after being connected in series and in parallel, and the double pole piece in series is used for connecting the plurality of cylindrical battery cells in series after being connected in parallel.
The utility model has the advantages that the welding-free positioning frame plate is assembled by redesigning the cylindrical battery cell so as to enhance the fixing effect of the cylindrical battery cell and avoid the displacement of the cylindrical battery cell in use;
the connection mode of the electrode connecting sheet and the cylindrical battery cell is reasonably arranged, so that the electrodes in production welding are isolated, and potential safety hazards caused by electrode contact in production are avoided;
welding position frame plate is exempted from in the equipment of two sets of cylinder electric cores provides good protection and support for the battery package, also can effectively connect fixed spacing and protection to the BMS module.
The electrode plate design abandons traditional wire rod connected mode, and the product manufacturing efficiency is high.
Drawings
Figure 1 is a structural diagram of a welding-free positioning frame plate A for assembling a cylindrical battery core,
figure 2 is a structural diagram of a welding-free positioning frame plate B for assembling a cylindrical battery core,
figure 3 is a structural diagram of the cylindrical cell being installed in the welding-free positioning frame plate for assembling the cylindrical cell,
figure 4 is a structural diagram of a spot welding-free battery pack electrode connecting piece as a parallel single pole piece,
FIG. 5 is a second structural diagram of a spot-welding-free battery pack with electrode connecting pieces as parallel single pole pieces,
FIG. 6 is a first structural diagram of a spot-welding-free battery with electrode connecting sheets of series-connected double-pole pieces,
FIG. 7 is a second structural diagram of a spot-welding-free battery cell with electrode connecting sheets in series connection with double pole pieces,
figure 8 is a block diagram of a spot welding-free battery assembled into an electrode tab,
fig 9 is a structural view illustrating the assembly of a spot-welding-free battery into a BMS module,
figure 10 is a view illustrating the structure of a spot welding-free battery pack finished product,
fig. 11 is a schematic diagram of an explosion diagram of a spot welding-free battery pack.
In the drawings: 1. cylindrical battery cell equipment exempts from welding position frame board A, 11, the frame board, 12, spacing frame, 13, the electrode hole, 14, the location is protruding, 15 arcwalls, 16, go up the protection platform, 17, the locating pin, 18, lower protection platform, 19, it is spacing to arrange the tip, 2, cylindrical battery cell equipment exempts from welding position frame board B,3, the electrode connection piece, 31, the contact is protruding, 32, folding end, 33, the single pole piece of parallel connection, 34, the double pole piece of series connection, 4, the BMS module, 41, the locating hole, 42 protection platform outburst hole, 5, the cylindrical battery cell.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
The utility model discloses welding position frame plate is exempted from in cylinder electricity core equipment and spot welding group battery is exempted from to cylinder electricity core equipment, and the structure is as shown in the figure
The utility model discloses welding position frame board is exempted from in cylinder electricity core equipment, the structure is as shown in figure 1 and figure 2, and the major structure is location frame board 11. A limit frame 12 protrudes from one side face of the positioning frame plate 11 in a circle, an electrode hole 13 is formed in the middle of the positioning frame plate 11, the electrode holes 13 are arranged in rows and staggered from one another, a positioning protrusion 14 is arranged between every two adjacent motor holes, and an arc face 15 is arranged in the direction of the positioning protrusion 14 towards the positioning hole 41. The positioning convex pattern is provided with three arc-shaped surfaces 15 which respectively face the adjacent three electrode holes 13.
The limiting frame 12 is provided with a row end limiting 19 at the end part missing position of the row electrode holes 13, the row end limiting 19 is provided with an arc surface 15 facing the side surface of the same row electrode holes 13, the limiting frame 12 protrudes a positioning bulge 14 between the uppermost row electrode holes 13 and the lowermost row electrode holes 13 to the two adjacent electrode holes 13, and the positioning bulge 14 and the limiting frame 12 are of an integral structure. The cylindrical battery core is placed between the positioning bulges, and the electrode is leaked out at the electrode hole.
The positioning protrusions 14, the limiting frames 12 and the row end limiting portions 19 limit the lithium battery in at least two directions, so that the lithium battery can be effectively limited, and the battery cell is prevented from shaking.
The locating frame plates 11 are arranged in pairs, and the limiting frames, the electrode holes, the locating protrusions and the row of end portions in the two paired locating frame plates 11 are arranged in a limiting and symmetrical mode.
The top edge of the limiting frame 12 of the positioning frame plate 11 is provided with an upper protection platform 16 and a positioning pin 17 which protrude upwards, the upper protection platform 16 is higher than the positioning pin 17, and the bottom edge of the limiting frame 12 of the positioning frame plate 11 is provided with a lower protection platform 18 which protrudes downwards.
The upper protection platform 16 is a frame shaped like a Chinese character tian and is integrally formed with the positioning frame plate 11, the lower protection platform is a transverse rib and a plurality of ribs in the same direction, the upper part of the longitudinal rib is integrally connected with the positioning frame plate 11, and the lower part of the longitudinal rib is connected with the same transverse rib.
The holder plates 11, which are arranged in pairs, are constructed such that the upper protection stage 16 and the positioning pins are located differently, particularly, in the shape of the BMS module in the assembled spot-welding-free battery pack.
The welding-free positioning frame plate 11 is provided with six rows of eight electrode holes 13, and is manufactured by injection molding and integral molding. Other voltage requirements may be set according to requirements.
The utility model discloses another embodiment, exempt from spot welding group battery of welding position frame board equipment is exempted from by the equipment of cylinder electricity core, including cylinder electricity core 5, two sets of welding position frame board 11, electrode connection piece 3 and BMS module 4 of exempting from.
Exempt from welding position frame board 1 and exempt from welding position frame board 2 vertical layout, go up protection station 16 up, two exempt from the outstanding spacing frame 12 of welding position frame board 11 the face be medial surface and set up relatively, during the location arch of welding position frame board 11 and the spacing 19 of row's tip were exempted from in the tip embedding of cylinder electricity core 5, and the electrode mismatch of the cylinder electricity core 5 of every row of adjacent electrode hole 13 embedding arranges to establish ties.
The electrode connecting sheet 3 has various structures, as shown in fig. 4-7, the electrode connecting sheet 3 protrudes from one end to a folded end 32, the electrode connecting sheet 3 is stamped with a protruding contact protrusion 31, and the contact protrusion 31 of the electrode connecting sheet 3 is embedded into the electrode hole 13 on the outer side of the welding-free positioning frame plate 11 to contact with the electrode of the cylindrical battery cell 5.
The electrode connecting sheet 3 is divided into a parallel single-pole piece and a series double-pole piece; fig. 4 and 5 are parallel single-pole pieces, which are connected to the positive or negative ends of the cylindrical cells after being connected in series and in parallel, and are used for connecting a plurality of rows of cell end electrodes in parallel; fig. 6 and 7 are series connection double-pole pieces, which are used for connecting a plurality of cylindrical cells in series after being connected in parallel.
The utility model discloses well BMS module 4 sets up in two tops of exempting from welding position frame plate 11, and the folding end 32 of electrode connection piece 3 is folding to set up the input contact with BMS module 4 and links to each other. The BMS module 4 is provided with a positioning hole 41 and a protection station protruding hole 42, the positioning hole 41 is engaged with the positioning pin 17 of the welding-free positioning frame plate 11, the upper protection station 16 of the welding-free positioning frame plate 11 protrudes from the upper protection station 16 protruding hole, and the highest position of the upper protection station 16 is higher than any position of the BMS module 4.
The assembled spot welding-free battery pack is shown in fig. 9, which is a complete spot welding-free battery pack structure diagram. Fig. 10 is an exploded view of a spot welding-free battery pack.
The utility model discloses a redesign exempts from welding position frame board 11 to realize exempting from fixed and the external electrode of inside electric core of spot welding group battery to connect, can realize the support and the protection of battery package, form the battery combination basic package of sound construction.
Compared with the prior art, the utility model have following advancement under the complete prerequisite of function: 1. it exempts from 11 supporting structure of welding position frame plate to make inside protection promote greatly and structural strength's very big reinforcing.
2. The use of multiple electrode connection piece connector can realize automated production, promotes production efficiency.
3. Limiting pins and hole structures are arranged on the special welding positioning frame plate 11, and the BMS module is better fixed.
4. The various electrode connection pieces are connected with the BMS module in a wireless bundle mode, so that the wiring harness machining and operation are omitted, and the use is saved.
Claims (9)
1. The utility model provides a cylindrical electric core equipment exempts from to weld the locating rack board, characterized by, the major structure is locating rack board (11), and a locating rack board (11) side a week is outstanding spacing frame (12), sets up electrode hole (13) in the middle of locating rack board (11), and electrode hole (13) are arranged in a row, and the dislocation between the upper and lower row is equipped with location arch (14) between the adjacent motor hole, and arcwall face (15) are established towards the direction of locating hole (41) in location arch (14).
2. The welding-free frame plate for assembling the cylindrical battery cells according to claim 1, wherein an upper protection table (16) and a positioning pin (17) which protrude upwards are arranged at the top edge of the limiting frame (12) of the frame plate (11), the upper protection table (16) is higher than the positioning pin (17), and a lower protection table (18) which protrudes downwards is arranged at the bottom edge of the limiting frame (12) of the frame plate (11).
3. The welding-free positioning frame plate for assembling the cylindrical battery cells according to claim 2, wherein the upper protection platform (16) is a grid-shaped frame and is integrally formed with the positioning frame plate (11), the lower protection platform (18) is a transverse rib and a plurality of transverse ribs, the upper portion of each longitudinal rib is integrally connected with the positioning frame plate (11), and the lower portion of each longitudinal rib is connected with the same transverse rib.
4. The welding-free positioning frame plate for assembling cylindrical battery cells according to claim 1, wherein the positioning relief is provided with three arc-shaped surfaces (15) facing to three adjacent electrode holes (13).
5. The welding-free positioning frame plate for assembling the cylindrical battery cells according to claim 1, wherein the limiting frame (12) is provided with a row of end limiting blocks (19) at the positions where the end parts of the row of electrode holes (13) are lacking, the row of end limiting blocks (19) are provided with arc surfaces (15) facing the side surfaces of the same row of electrode holes (13), the limiting frame (12) protrudes a positioning bulge (14) between the two adjacent electrode holes (13) at the uppermost row of electrode holes (13) and the lowermost row of electrode holes (13), and the positioning bulge (14) and the limiting frame (12) are of an integral structure.
6. A spot-welding-free battery pack assembled by the welding-free fixture plate assembled by the cylindrical cell assembly of claim 3, comprising the cylindrical cell (5), two sets of the welding-free fixture plates (11) of claim 1, the electrode connecting sheet (3) and the BMS module (4);
the two groups of welding-free positioning frame plates (11) are vertically arranged, the upper protection platform (16) faces upwards, the surfaces of the two welding-free positioning frame plates (11) protruding out of the limiting frame (12) are inner side surfaces and are arranged oppositely, the end parts of the cylindrical battery cores (5) are embedded into the electrode holes (13) of the welding-free positioning frame plates (11), and the electrodes of the cylindrical battery cores (5) embedded into each row of adjacent electrode holes (13) are arranged in a staggered mode;
one end of the electrode connecting sheet (3) protrudes out of the folding end (32), a protruding contact bulge (31) is punched on the electrode connecting sheet (3), and the contact bulge (31) of the electrode connecting sheet (3) is embedded into the electrode hole (13) on the outer side surface of the welding-free positioning frame plate (11) and contacts with an electrode of the cylindrical battery core (5);
the BMS module (4) is arranged above the two welding-free positioning frame plates (11), and the folding end (32) of the electrode connecting sheet (3) is folded to be in contact connection with the input end of the BMS module (4).
7. The spot-welding-free battery pack according to claim 6, wherein the BMS module (4) is provided with positioning holes (41) and protection stand protruding holes (42), the positioning holes (41) are engaged with the positioning pins (17) of the welding-free positioning frame plate (11), the upper protection stand (16) of the welding-free positioning frame plate (11) protrudes from the upper protection stand protruding holes (16), and the uppermost position of the upper protection stand (16) is higher than any position of the BMS module (4).
8. The spot welding-free battery pack as claimed in claim 6, wherein the welding-free positioning frame plate (11) has six rows of eight electrode holes (13) and is manufactured by injection molding and integral molding.
9. The spot welding-free battery pack according to claim 6, wherein the electrode connecting sheet is divided into a parallel single-pole piece and a series double-pole piece, the parallel single-pole piece is connected with the positive electrode or the negative electrode end of the cylindrical battery cells after being connected in series, and the series double-pole piece is used for connecting a plurality of cylindrical battery cells in series after being connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221079679.4U CN218005143U (en) | 2022-05-07 | 2022-05-07 | Cylindrical battery cell assembling welding-free positioning frame plate and spot welding-free battery pack thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221079679.4U CN218005143U (en) | 2022-05-07 | 2022-05-07 | Cylindrical battery cell assembling welding-free positioning frame plate and spot welding-free battery pack thereof |
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| Publication Number | Publication Date |
|---|---|
| CN218005143U true CN218005143U (en) | 2022-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221079679.4U Active CN218005143U (en) | 2022-05-07 | 2022-05-07 | Cylindrical battery cell assembling welding-free positioning frame plate and spot welding-free battery pack thereof |
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|---|---|
| CN (1) | CN218005143U (en) |
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- 2022-05-07 CN CN202221079679.4U patent/CN218005143U/en active Active
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