CN222620055U - A battery connection structure capable of realizing multi-stage parallel use - Google Patents
A battery connection structure capable of realizing multi-stage parallel use Download PDFInfo
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- CN222620055U CN222620055U CN202421080756.7U CN202421080756U CN222620055U CN 222620055 U CN222620055 U CN 222620055U CN 202421080756 U CN202421080756 U CN 202421080756U CN 222620055 U CN222620055 U CN 222620055U
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Abstract
本实用新型公开了一种可实现多级并联使用的电池连接结构，所述电池壳体内设有容置槽，所述电池壳体内的一侧设有总并联单元，所述电池组由至少一个电池单体组成，所述电池单体的两端均设有金属并联条，所述金属并联条由圆环部与贴片组成，所述电池单体的端部通过卡接的方式与所述金属并联条连接，并通过外壳和封盖将所述电池组端部的金属并联条进行压紧固定，在单个所述电池单体损坏时可通过取下电池组任意一端的金属并联条更换电池单体，方便更换电池单体，防止电池组整体报废，在组装时无须电焊固定，组装更简易，所述金属并联条对应相邻两个电池组之间设有散热孔，使得相邻两个电池单体之间可以通过散热孔传递热量，避免电池局部过热。
The utility model discloses a battery connection structure capable of realizing multi-stage parallel use, wherein a containing groove is provided in the battery shell, a total parallel unit is provided on one side of the battery shell, the battery pack is composed of at least one battery cell, both ends of the battery cell are provided with metal parallel bars, the metal parallel bars are composed of a circular ring portion and a patch, the ends of the battery cell are connected to the metal parallel bars by snapping, and the metal parallel bars at the ends of the battery pack are pressed and fixed by a shell and a cover, when a single battery cell is damaged, the battery cell can be replaced by removing the metal parallel bar at any end of the battery pack, which is convenient for replacing the battery cell and prevents the battery pack from being scrapped as a whole, and no electric welding is required during assembly, so that assembly is simpler, and heat dissipation holes are provided between the metal parallel bars corresponding to two adjacent battery packs, so that heat can be transferred between two adjacent battery cells through the heat dissipation holes to avoid local overheating of the battery.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a battery connection structure capable of realizing multistage parallel use.
Background
The lithium ion rechargeable battery is a battery with highest specific energy and longest service life, the technology is mature, the production capacity is huge, and the battery is put into various fields of people's life, but in part of products, the current provided by a single battery cell cannot usually meet the use requirement, so that in order to meet different requirements, people manufacture battery packs with different capacities, and the battery packs consist of a plurality of battery cells.
In the prior art, the battery pack is generally formed by welding the electrodes of the battery cells together, the battery cells in the battery pack cannot be disassembled, when one battery cell in the battery pack is damaged and needs to be maintained, the battery cells in the battery pack are required to be disassembled, so that a motor of the battery is damaged, other battery cells cannot be replaced and utilized, the battery pack is scrapped, when the battery cells are charged and discharged, heat generated by each battery cell cannot circulate mutually, and the situation that the battery cell is damaged due to overhigh temperature caused by the occurrence of a problem of heat dissipation of one battery cell can occur.
Disclosure of utility model
Aiming at the technical defects in the background technology, the utility model provides a battery connecting structure capable of realizing multistage parallel use, solves the technical problems and meets the actual requirements, and the specific technical scheme is as follows:
The utility model provides a can realize battery connection structure of multistage parallel use, battery casing and group battery, be equipped with in the battery casing and hold the storage tank of group battery, one side in the battery casing be equipped with the total parallel unit that the group battery is connected, the group battery comprises at least one battery monomer, the free both ends of battery all are equipped with metal parallel strip, metal parallel strip is established by the cover the ring portion of the free surface of battery is in with laminating the paster of the free tip position of battery is constituteed, ring portion with the paster integrated into one piece to form a plurality of battery joint groove, the free tip joint of battery is in the battery joint groove, the metal parallel strip corresponds adjacently the hookup location of group battery is equipped with the louvre.
As an improvement of the above scheme, the metal parallel bars include an anode metal parallel bar and a cathode metal parallel bar, the anode of the battery cell is connected with the anode metal parallel bar, the cathode of the battery cell is connected with the cathode metal parallel bar, and the anode metal parallel bar and the cathode metal parallel bar are connected with the total parallel unit in the battery case through wires.
As the improvement of above-mentioned scheme, group battery includes group battery one and group battery two, group battery one is by the battery monomer that is 4 in quantity, the battery monomer is rectangular array arrangement joint in the battery joint groove, the annular portion on the battery monomer is laminated each other to correspond group battery one's middle part formation and be equipped with the louvre.
As an improvement of the scheme, the second battery pack consists of 4 battery cells, the battery cells are clamped in the battery clamping grooves in a straight line equidistant arrangement manner, and heat dissipation holes are formed in positions, corresponding to the connection positions between the first battery pack and the second battery pack, of the metal parallel bars.
As an improvement of the scheme, the battery shell comprises a shell and a sealing cover arranged at the top end of the shell, a sealing structure is arranged between the sealing cover and the shell, and the sealing structure is composed of a plurality of fixing screws encircling the outer edge of the sealing cover.
As an improvement of the scheme, the inner edge of the end face, attached to the sealing cover, of the outer shell is provided with a positioning ring protruding upwards, the inner side end face of the sealing cover is provided with a positioning groove corresponding to the positioning ring, and the positioning ring is clamped in the positioning groove.
As an improvement of the scheme, a PTC current limiting resistor is connected in series between the total parallel unit and the battery pack, and a wiring terminal of the total parallel unit extends towards the outside of the battery shell.
As an improvement of the scheme, a through hole is formed in the side face of the battery shell, corresponding to the position of the total parallel unit, and one end of the wiring terminal extends into the battery shell along the through hole to be connected with the total parallel unit.
The battery pack has the advantages that the end parts of the battery cells are connected with the metal parallel bars in a clamping manner, the metal parallel bars at the end parts of the battery packs are pressed and fixed through the shell and the sealing cover, when a single battery cell is damaged, the battery cells can be replaced by taking down the metal parallel bars at any end of the battery pack, the battery cells are convenient to replace, the whole battery pack is prevented from being scrapped, electric welding and fixing are not needed during assembly, the assembly is simpler, the heat dissipation holes are formed between the metal parallel bars corresponding to the two adjacent battery packs, heat can be transferred between the two adjacent battery cells through the heat dissipation holes, and local overheating of the battery is avoided.
Drawings
Fig. 1 is a schematic view of the overall structure of a battery case according to the present utility model.
Fig. 2 is a schematic view of the internal structure of the battery case of the present utility model.
Fig. 3 is a schematic view of the structure of the housing of the present utility model.
Fig. 4 is a schematic diagram of a closure structure according to the present utility model.
Fig. 5 is a schematic view of a metal parallel bar structure according to the present utility model.
Fig. 6 is a schematic view of a battery pack according to the present utility model.
Fig. 7 is a schematic view of a second structure of the battery pack according to the present utility model.
The battery comprises a battery shell 1, a fixing screw 101, a through hole 102, a battery pack 2, a battery cell 201, a battery pack I202, a battery pack II 203, a containing groove 3, a total parallel unit 4, a metal parallel strip 5, a circular ring part 501, a patch 502, a battery clamping groove 503, a heat dissipation hole 504, an anode metal parallel strip 6, a cathode metal parallel strip 7, a shell 8, a positioning ring 801, a sealing cover 9 and a positioning groove 901.
Detailed Description
Embodiments of the present utility model will be described below with reference to the accompanying drawings and examples, but the embodiments of the present utility model are not limited to the following examples, and the present utility model relates to the relevant essential parts in the art, and should be regarded as known and understood by those skilled in the art.
As shown in fig. 1 to 7, in a battery connection structure capable of realizing multistage parallel connection, a battery shell 1 and a battery pack 2 are arranged in the battery shell 1, a containing groove 3 for containing the battery pack 2 is formed in the battery shell 1, a total parallel unit 4 connected with the battery pack 2 is arranged on one side in the battery shell 1, the battery pack 2 is composed of at least one battery cell 201, metal parallel strips 5 are arranged at two ends of the battery cell 201, each metal parallel strip 5 is composed of a circular ring part 501 sleeved on the outer surface of the battery cell 201 and a patch 502 attached to the end part of the battery cell 201, the circular ring part 501 and the patch 502 are integrally formed, so that a plurality of battery clamping grooves 503 are formed, the end part of the battery cell 201 is clamped in the battery clamping groove 503, and a heat dissipation hole 504 is formed in the connection position of the metal parallel strips 5 corresponding to adjacent battery pack 2.
As shown in fig. 2, fig. 5, fig. 6 and fig. 7, in the structure of the battery pack 2, the battery pack 2 is composed of a plurality of battery cells 201 and metal parallel bars 5, the number of the metal parallel bars 5 is two, two ends of the battery cells 201 are respectively fixed, the metal parallel bars 5 are composed of a circular ring part 501 and a patch 502, the patch 502 and the circular ring part 501 are integrally formed, the circular ring part 501 is sleeved at the end part of the battery cells 201 to form a battery clamping groove 503, the patch 502 is attached to the positive electrode or the negative electrode of the battery cells 201 after the battery cells 201 are clamped and fixed, the diameter of the inner ring of the circular ring part 501 is not less than 5cm, and the metal parallel bars 5 at two ends of the battery pack 2 are connected to the total parallel unit 4 through wires;
The metal parallel bars 5 include a positive metal parallel bar 6 and a negative metal parallel bar 7, the positive electrode of the battery cell 201 is connected with the positive metal parallel bar 6, the negative electrode of the battery cell 201 is connected with the negative metal parallel bar 7, and the positive metal parallel bar 6 and the negative metal parallel bar 7 are connected with the total parallel unit 4 in the battery case 1 through wires.
It should be noted that, the positive metal parallel strip 6 and the negative metal parallel strip 7 are clamped at two ends of the length direction of the battery pack 2, the negative metal parallel strip 7 is arranged at the bottom of the housing 8, when the battery cell 201 is clamped into the negative metal parallel strip 7 during assembly, the positive metal parallel strip 6 is sleeved on the positive electrode of the battery cell 201, the sealing cover 9 is aligned and locked with the housing, and the positive metal parallel strip 6 and the negative metal parallel strip 7 are synchronously pressed against the battery cell 201 along with the locking between the sealing cover 9 and the housing, so that the patch 502 can be tightly attached to the positive electrode or the negative electrode of the battery cell 201.
As shown in fig. 6 and 7, further, the battery pack 2 includes a first battery pack 202 and a second battery pack 203, the first battery pack 202 is composed of 4 battery cells 201, the battery cells 201 are arranged in a rectangular array and are clamped in the battery clamping groove 503, the metal parallel strips 5 correspond to the arrangement positions of the battery cells 201 in the first battery pack 202, and the circular ring portions 501 on the battery cells 201 are mutually attached, so that the heat dissipation holes 504 are formed in the middle of the corresponding first battery pack 202.
Further, in the above-mentioned scheme, the second battery pack 203 is composed of 4 battery cells 201, the battery cells 201 are clamped in the battery clamping grooves 503 in a straight line and equidistant arrangement, and the metal parallel strips 5 are provided with heat dissipation holes 504 corresponding to the connection positions between the first battery pack 202 and the second battery pack 203.
As shown in fig. 1 to 4, in the structure of the battery case 1, the battery case 1 includes a housing 8 and a cover 9 disposed at the top end of the housing 8, a sealing structure is disposed between the cover 9 and the housing 8, the sealing structure is composed of a plurality of fixing screws 101 surrounding the outer edge of the cover 9, the cover 9 and the housing 8 are both made of insulating materials, a groove for clamping the negative metal parallel strip 7 is disposed at the bottom of the accommodating groove 3, the negative metal parallel strip 7 is manually placed in the groove to fix during assembly, the negative electrode of the battery cell 201 is clamped in a circular ring portion 501 on the negative metal parallel strip 7, and after the negative electrode of the battery cell 201 is completely installed, the positive metal parallel strip 6 is aligned with the positive electrode of the battery cell 201 and is compressed by the cover 9.
Further, in the above-mentioned scheme, the shell 8 with the terminal surface inner edge that closing cap 9 laminated is equipped with the bellied retainer plate 801 that makes progress, the inboard terminal surface of closing cap 9 corresponds the position of retainer plate 801 is equipped with positioning groove 901, the retainer plate 801 joint is in the positioning groove 901, the retainer plate 801 with positioning groove 901 increases the sealing performance between shell 8 with closing cap 9 plays certain water-proof effects.
Further, in the above scheme, a PTC current limiting resistor is connected in series between the total parallel unit 4 and the battery pack 2, and the total parallel unit 4 is provided with a terminal extending toward the outside of the battery case 1.
Further, in the above solution, a through hole 102 is provided on a side surface of the battery case 1 corresponding to the position of the total parallel unit 4, and one end of the terminal extends into the battery case 1 along the through hole 102 to be connected with the total parallel unit 4.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421080756.7U CN222620055U (en) | 2024-05-17 | 2024-05-17 | A battery connection structure capable of realizing multi-stage parallel use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421080756.7U CN222620055U (en) | 2024-05-17 | 2024-05-17 | A battery connection structure capable of realizing multi-stage parallel use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222620055U true CN222620055U (en) | 2025-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421080756.7U Active CN222620055U (en) | 2024-05-17 | 2024-05-17 | A battery connection structure capable of realizing multi-stage parallel use |
Country Status (1)
| Country | Link |
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| CN (1) | CN222620055U (en) |
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- 2024-05-17 CN CN202421080756.7U patent/CN222620055U/en active Active
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