CN220400840U - Polymer lithium ion battery pole piece flat plate connector for heavy current - Google Patents
Polymer lithium ion battery pole piece flat plate connector for heavy current Download PDFInfo
- Publication number
- CN220400840U CN220400840U CN202322053030.6U CN202322053030U CN220400840U CN 220400840 U CN220400840 U CN 220400840U CN 202322053030 U CN202322053030 U CN 202322053030U CN 220400840 U CN220400840 U CN 220400840U
- Authority
- CN
- China
- Prior art keywords
- pole piece
- holes
- lithium ion
- connecting seat
- seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 21
- 229920000642 polymer Polymers 0.000 title claims abstract description 19
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052744 lithium Inorganic materials 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- HEPLMSKRHVKCAQ-UHFFFAOYSA-N lead nickel Chemical compound [Ni].[Pb] HEPLMSKRHVKCAQ-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XIKYYQJBTPYKSG-UHFFFAOYSA-N nickel Chemical compound [Ni].[Ni] XIKYYQJBTPYKSG-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model relates to the technical field of lithium ion battery packs, in particular to a polymer lithium ion battery pack pole piece flat connector for high current. The utility model has the advantages that: the device is characterized in that the U-shaped connecting seat is integrally formed as the device main body, the conductive plates are arranged on the inner wall of the connecting seat, through holes are formed in the lower portions of the two sides of the outer portion of the connecting seat, a plurality of movable seats capable of moving up and down are arranged in the connecting seat, top plates capable of moving up and down are arranged on the two sides of the outer portion of the movable seat, when the device is used, pole pieces of lithium batteries penetrate into the through holes, the positions of the movable seats are adjusted up and down, the pole pieces are bent by the top plates to be in contact with the conductive plates, therefore, the plurality of pole pieces of the battery pack can be electrically connected together, and the device is applicable to pole pieces of different sizes and is convenient to use.
Description
Technical Field
The utility model relates to the technical field of lithium ion battery packs, in particular to a polymer lithium ion battery pack pole piece flat connector for high current.
Background
In the serial-parallel connection process of the polymer lithium ion battery for forming the battery pack filled in the shell, the anode lug of the battery core is made of aluminum, and the cathode lug is made of copper or nickel, so that the materials of the polymer lithium ion battery are different in weldability. The traditional technical solution used in connection is to weld bimetallic strips (lead-nickel composite strips with electricity isolation) by ultrasonic light, and then weld the nickel-nickel composite strips of each battery core together to realize parallel connection; if the cathode copper tab is connected with the anode, the cathode copper tab and the battery cell bimetallic strip are welded with the nickel and copper paired (face-to-face) bimetallic strip of the other battery cell or the aluminum and aluminum paired (face-to-face) bimetallic strip to form a series structure.
The working efficiency of the processing mode is low due to the complexity of processing. The internal resistance of the battery is increased due to the welding repair welding process, the charge and discharge efficiency of the battery pack is reduced, and the consistency and balance important indexes of each battery after the batteries are grouped are affected due to the difference of the resistance of each welding point caused by the inconsistency of the welding dosages, so that the cycle life of the battery is reduced. Moreover, the traditional welding process on the high-energy, high-power and high-current polymer lithium ion power battery pack cannot be realized.
In addition, the power battery pack is various in parallel connection quantity, in the discharging work of heavy current, the battery consistency is reduced due to the heat accumulation of the battery pack and the heat accumulation of the battery pack, the battery pack expands, the temperature of each welding point is different due to the difference of processing conditions, and other adverse phenomena are generated, particularly for a heavy power battery, the welding temperature is too high and the heat formed by the electrode lugs of the battery pack is transferred to the inside of the battery due to the excessive welding time, the diaphragm of the inner part of the battery pack is contracted, the SEI film layer of the interface of the anode and the SEI film layer of the cathode is damaged, the potential safety hazard consequences of internal short circuit, electrical property variation and the reduction of the cycle life of the electrical property variation caused by the too high temperature of the surface of the battery film are left, and based on the potential safety hazard, the polymer lithium ion battery pack pole piece flat connector for heavy current is provided.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a polymer lithium ion battery pole piece flat plate connector for high current, which effectively solves the defects of the prior art.
In order to achieve the above objective, an embodiment of an aspect of the present utility model provides a plate connector for pole pieces of a high-current polymer lithium ion battery, which includes a connection seat, wherein the connection seat has a U-shaped overall structure and is downward open, a plurality of through holes are formed below two sides of the exterior of the connection seat, pole pieces are formed inside the through holes, a plurality of movable seats capable of moving up and down in a reciprocating manner are formed inside the connection seat, the positions of the movable seats are in one-to-one correspondence with the positions of the through holes, top plates capable of moving in a reciprocating manner are formed on two sides of the exterior of the movable seats, a conductive plate is arranged on the inner wall of the connection seat, and the pole pieces are bent and are in contact with the conductive plate.
By above-mentioned arbitrary scheme preferred, a plurality of equipment holes have all been seted up to the outside top of connecting seat, and a plurality of the inside of equipment hole is all rotated and is connected with the threaded rod, and a plurality of the screw hole has all been seted up at the middle part of removing the seat, and a plurality of the threaded rod respectively with a plurality of screw hole threaded connection can realize the up-and-down motion of connecting seat through using this scheme.
By above-mentioned arbitrary scheme is preferred, a plurality of remove the seat is whole to be the I-shaped, and a plurality of remove the outside both sides of seat and all seted up four guiding holes, a plurality of the equal fixedly connected with guide bar in four corners department of roof surface one side, a plurality of the guide bar runs through respectively a plurality of the guiding hole, and two sliding connection, a plurality of the outside of guide bar has all been overlapped the spring, can accomplish the equipment between removal seat and the splint through using this scheme, leads the motion between the two.
By any of the above schemes, preferably, one end of the outer portion of the plurality of guide rods is connected with a limit cap in a threaded manner, and the limit caps are located in the gaps on two sides of the movable seat.
By the above-mentioned scheme preferred, the below of the outside both sides of connecting seat all is provided with the tooling plate, and two a plurality of through-holes have all been seted up to the top surface of tooling plate, can accomplish the fixed mounting to the connecting seat through this scheme of use.
In any of the above embodiments, it is preferable that the height dimension of the plurality of through holes is larger than the thickness dimension of the pole piece.
The utility model has the following advantages:
1. this heavy current is with polymer lithium ion battery pole piece flat-plate connector, regard as the device main part by the connecting seat of whole U-shaped, wherein, the inner wall of connecting seat is provided with the current conducting plate, the opening has all been seted up to the below of the outside both sides of connecting seat, but be provided with a plurality of reciprocating motion's of upper and lower moving seat in the inside of connecting seat, but the outside both sides of moving seat all are provided with reciprocating motion's roof, during the use, penetrate the pole piece of lithium cell in the opening, the position of moving seat is adjusted from top to bottom, buckle the pole piece and contact the current conducting plate by the roof, from this, can be in the same place a plurality of pole pieces electric connection of group battery, and the pole piece of whole device applicable to different sizes, facilitate the use.
2. This polymer lithium ion battery pole piece flat connector for heavy current has the equipment board in the below joint of the outside both sides of connecting seat, and two equipment boards level are placed, and has seted up a plurality of through-holes on it, through equipment board and a plurality of through-holes, conveniently with connecting seat fixed mounting in somewhere, satisfies the needs of using.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of FIG. 1 according to the present utility model;
FIG. 3 is a schematic cross-sectional view of FIG. 1 in accordance with the present utility model;
FIG. 4 is a schematic view of the overall structure of the connecting base of the present utility model;
fig. 5 is a schematic structural diagram of a combination state of a movable seat and a top plate in the present utility model.
In the figure: the device comprises a 1-connecting seat, a 2-movable seat, a 3-top plate, a 4-assembling plate, a 5-pole piece, a 6-spring, a 7-threaded rod, an 8-conducting plate, a 9-through hole, a 10-assembling hole, a 11-through hole, a 12-guiding hole, a 13-threaded hole and a 14-guiding rod.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.
As shown in fig. 1 to 5, a polymer lithium ion battery pole piece flat connector for heavy current comprises a connecting seat 1, wherein the overall structure of the connecting seat 1 is U-shaped, openings are downward, a plurality of through holes 9 are formed in the lower parts of two sides of the outer part of the connecting seat 1, pole pieces 5 are arranged in the through holes 9, a plurality of movable seats 2 capable of vertically and reciprocally moving are arranged in the connecting seat 1, the positions of the movable seats 2 are in one-to-one correspondence with the positions of the through holes 9, top plates 3 capable of reciprocally moving are arranged on two sides of the outer part of the movable seats 2, a conductive plate 8 is arranged on the inner wall of the connecting seat 1, and the pole pieces 5 are bent and are in contact with the conductive plate 8.
A plurality of assembly holes 10 are formed in the upper portion of the outer portion of the connecting seat 1, threaded rods 7 are rotatably connected to the inner portions of the assembly holes 10, threaded holes 13 are formed in the middle portions of the movable seats 2, the threaded rods 7 are respectively in threaded connection with the threaded holes 13, and as an optional technical scheme of the utility model, a spanner groove is formed in the outer end of the threaded rod 7 according to the specific structure of the threaded rod 7, and screwing of the threaded rod 7 is facilitated.
The whole movable seat 2 is I-shaped, four guide holes 12 are formed in two sides of the outer part of the movable seat 2, guide rods 14 are fixedly connected to four corners of one side of the outer surface of the top plate 3, the guide rods 14 penetrate through the guide holes 12 respectively and are in sliding connection with the guide rods, springs 6 are sleeved on the outer parts of the guide rods 14, and the size of the guide rods 14 is matched with the size of the guide holes 12 to prevent the top plate 3 from shaking, so that the springs 6 are in a compressed state and the position of the top plate 3 capable of propping against the pole pieces 5 is ensured.
One end of the outer part of the guide rods 14 is connected with a limiting cap in a threaded manner, and the limiting caps are positioned in the gaps on two sides of the movable seat 2.
The assembly plates 4 are arranged below the two sides of the outer part of the connecting seat 1, and a plurality of through holes 11 are formed on the top surfaces of the two assembly plates 4, so that in practical application, the assembly plates 4 can be made of insulating materials to avoid electric shock caused by contact of users.
The height dimension of the through holes 9 is larger than the thickness dimension of the pole pieces 5, so that the through holes 9 are proper in dimension and convenient for placing the pole pieces 5, and the device can be used for connecting the pole pieces 5.
In summary, the connecting seat 1 integrally formed in a U shape is taken as a main body of the device, wherein the conductive plates 8 are arranged on the inner wall of the connecting seat 1, the through holes 9 are formed below two sides of the outer part of the connecting seat 1, a plurality of movable seats 2 capable of moving up and down are arranged in the connecting seat 1, the top plates 3 capable of moving up and down are arranged on two sides of the outer part of the movable seats 2, when the device is used, the pole pieces 5 of the lithium battery penetrate into the through holes 9, the positions of the movable seats 2 are adjusted up and down, the pole pieces 5 are bent by the top plates 3 to be in contact with the conductive plates 8, therefore, the plurality of pole pieces 5 of the battery pack can be electrically connected together, the whole device can be suitable for pole pieces 5 with different sizes, the device is convenient to use, the assembling plates 4 are clamped below two sides of the outer part of the connecting seat 1, the two assembling plates 4 are horizontally placed, a plurality of through holes 11 are formed on the movable seats 4, the connecting seat 1 is convenient to fixedly mount at a certain place through the assembling plates 11, and the use needs are met.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a polymer lithium ion battery group pole piece flat plate connector for heavy current which characterized in that: including connecting seat (1), its overall structure is the U-shaped, and the opening down, a plurality of through-holes (9) have all been seted up to the below of connecting seat (1) outside both sides, and is a plurality of the inside of through-hole (9) all is provided with pole piece (5), the inside of connecting seat (1) is provided with a plurality of reciprocating motion's that can reciprocate seat (2), its position and a plurality of the position one-to-one of through-hole (9), a plurality of the outside both sides of moving seat (2) all are provided with reciprocating motion's roof (3), the inner wall of connecting seat (1) is provided with current conducting plate (8), a plurality of pole piece (5) are buckled, and all with current conducting plate (8) contact.
2. The high current polymer lithium ion battery pole piece panel connector of claim 1, wherein: a plurality of assembly holes (10) are formed in the upper portion of the outer portion of the connecting seat (1), threaded rods (7) are connected to the inner portions of the assembly holes (10) in a rotating mode, threaded holes (13) are formed in the middle of the movable seat (2), and the threaded rods (7) are connected with the threaded holes (13) in a threaded mode.
3. The high current polymer lithium ion battery pole piece panel connector of claim 2, wherein: a plurality of remove seat (2) are whole to be the I-shaped, and a plurality of four guiding holes (12) have all been seted up to the outside both sides of seat (2) that remove, a plurality of the equal fixedly connected with guide bar (14) in four corners department of roof (3) surface one side, a plurality of guide bar (14) run through a plurality of respectively guiding hole (12), and two sliding connection, a plurality of the outside of guide bar (14) all is overlapped spring (6).
4. A high current polymer lithium ion battery pole piece panel connector as defined in claim 3, wherein: one end outside a plurality of guide rods (14) is connected with a limit cap in a threaded manner, and the limit caps are located in the gaps on two sides of the movable seat (2).
5. The high current polymer lithium ion battery pole piece panel connector of claim 4, wherein: the lower parts of the two sides of the outer part of the connecting seat (1) are respectively provided with an assembling plate (4), and the top surfaces of the two assembling plates (4) are respectively provided with a plurality of through holes (11).
6. The high current polymer lithium ion battery pole piece panel connector of claim 5, wherein: the height dimension of the through holes (9) is larger than the thickness dimension of the pole piece (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322053030.6U CN220400840U (en) | 2023-08-02 | 2023-08-02 | Polymer lithium ion battery pole piece flat plate connector for heavy current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322053030.6U CN220400840U (en) | 2023-08-02 | 2023-08-02 | Polymer lithium ion battery pole piece flat plate connector for heavy current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220400840U true CN220400840U (en) | 2024-01-26 |
Family
ID=89609801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322053030.6U Active CN220400840U (en) | 2023-08-02 | 2023-08-02 | Polymer lithium ion battery pole piece flat plate connector for heavy current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220400840U (en) |
-
2023
- 2023-08-02 CN CN202322053030.6U patent/CN220400840U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |