CN211404594U - A connection structure for electric core equipment - Google Patents
A connection structure for electric core equipment Download PDFInfo
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- CN211404594U CN211404594U CN202020307354.1U CN202020307354U CN211404594U CN 211404594 U CN211404594 U CN 211404594U CN 202020307354 U CN202020307354 U CN 202020307354U CN 211404594 U CN211404594 U CN 211404594U
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- insulating
- lug
- assembling
- connection structure
- core rod
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- 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
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Abstract
The utility model discloses a connecting structure for assembling battery cells, which comprises a plurality of battery cells, a plurality of insulating assembling blocks, a bridging welding piece, an insulating core rod and an insulating nut; the insulating assembling blocks are sequentially overlapped together, and an accommodating cavity for placing a bridging soldering lug is formed between two adjacent insulating assembling blocks; a plurality of battery cells are sequentially stacked together, and both ends of each battery cell are respectively provided with a positive electrode tab and a negative electrode tab; the insulating core rod is arranged on the insulating assembling block in a penetrating way; the insulating nuts are screwed at the two ends of the insulating core rod; the utility model discloses a be equipped with insulating piece of assembling, cross-over connection soldering lug, insulating plug and insulating nut, when cooperation lithium ion battery dilatation pressure boost, only need as required dilatation pressure boost's volume, confirm the insulating quantity of assembling piece and cross-over connection soldering lug to and the length of insulating plug, during the equipment, also only need with electric core and insulating assemble the piece in proper order the superpose together can, its connection structure is simple, convenient assembling, thereby reduce lithium ion battery's dilatation difficulty greatly.
Description
Technical Field
The utility model relates to a lithium ion battery's technical field especially relates to a connection structure for electric core equipment.
Background
Since the world, lithium ion batteries have the advantages of high energy density, long cycle life, low self-discharge rate, no memory effect, environmental friendliness and the like compared with other secondary batteries, become the batteries with the most competitive advantages in the field of chemical power sources, and have been widely applied to the fields of notebook computers, digital products, electric automobiles, hybrid electric vehicles, aerospace and the like.
The lithium ion battery is generally formed by connecting a plurality of single battery cells in parallel to form a battery cell stack so as to achieve the purpose of capacity expansion and pressurization, but the existing connection structure for connecting the plurality of single battery cells is complex in structure and troublesome in assembly, so that the capacity expansion difficulty of the lithium ion battery is high.
In view of this, the present designer has made an intensive conception on many defects and inconveniences caused by the imperfect design of the connection structure for assembling the electrical core, and has actively studied, improved and tried on to develop and design the present invention.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a connection structure for electric core equipment to reduce lithium ion battery's dilatation difficulty.
In order to achieve the above purpose, the solution of the present invention is:
a connecting structure for assembling battery cells comprises a plurality of battery cells, a plurality of insulating assembling blocks, a bridging welding piece, an insulating core rod and an insulating nut; the insulating assembling blocks are sequentially overlapped together, and an accommodating cavity for placing a bridging soldering lug is formed between two adjacent insulating assembling blocks; a plurality of battery cells are sequentially stacked together, and both ends of each battery cell are respectively provided with a positive electrode tab and a negative electrode tab; a positive electrode lug or a negative electrode lug is exposed on the battery cell at the head end, and correspondingly, a negative electrode lug or a positive electrode lug is exposed on the battery cell at the tail end; in addition, in two adjacent battery cells, a positive electrode tab on one battery cell and a negative electrode tab on the other battery cell extend into the accommodating cavity and then are attached to the side wall of the bridging welding sheet; the insulating core rod penetrates through the insulating assembling block; the insulating nuts are screwed at two ends of the insulating core rod.
The connection structure further includes an electrode terminal; the insulating assembling blocks adjacent to the exposed positive electrode lug and the exposed negative electrode lug are provided with terminal cavities; the electrode terminals are mounted in the terminal chambers; the exposed positive pole lug and the exposed negative pole lug extend into the terminal chamber and then are attached to the side wall of the electrode terminal.
And the two sides of the insulating assembling block are respectively provided with a convex block.
The lug is provided with a sinking platform.
And the bridging soldering lug is provided with a circular arc notch for the insulation core rod to pass through.
After the scheme of the oil adding device is adopted, the utility model discloses a be equipped with insulating piece of assembling, cross-over connection soldering lug, insulating plug and insulating nut, when cooperation lithium ion battery dilatation pressure boost, only need as required dilatation pressure boost's volume, confirm the insulating quantity of assembling piece and cross-over connection soldering lug to and the length of insulating plug, during the equipment, also only need with electric core and insulating assemble the piece in proper order the pile together can, its connection structure is simple, convenient assembling, thereby reduce lithium ion battery's dilatation difficulty greatly.
Drawings
Fig. 1 is an exploded view of a preferred embodiment of the present invention;
FIG. 2 is a cross-sectional view of the preferred embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a schematic structural view of an intermediate insulating block according to a preferred embodiment of the present invention;
FIG. 5 is a schematic view of the end position of the insulating modules of the preferred embodiment of the present invention;
fig. 6 is a schematic structural diagram of a cross-over bonding pad according to a preferred embodiment of the present invention.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
As shown in fig. 1 to 6, a preferred embodiment of a connection structure for assembling battery cells according to the present invention includes a plurality of battery cells 1, a plurality of insulating assembling blocks 2, a bridging welding piece 3, an insulating core rod 4 and an insulating nut 5; the insulating assembling blocks 2 are sequentially overlapped together, and an accommodating cavity 21 for placing the bridging soldering lug 3 is formed between two adjacent insulating assembling blocks 2; the battery cells 1 are sequentially stacked together, and both ends of each battery cell are respectively provided with a positive electrode tab 11 and a negative electrode tab 12; a positive electrode tab 11 or a negative electrode tab 12 is exposed on the cell 1 at the head end, and correspondingly, a negative electrode tab 12 or a positive electrode tab 11 is exposed on the cell 1 at the tail end; in addition, in two adjacent battery cells 1, a positive electrode tab 11 on one battery cell 1 and a negative electrode tab 12 on the other battery cell 1 extend into the accommodating cavity 21 and then are attached to the side wall of the bridging welding piece 3; the insulating core rod 4 is arranged on the insulating splicing block 2 in a penetrating way; the insulating nuts 5 are screwed on both ends of the insulating core rod 4.
The connection structure of the utility model is utilized to assemble the battery cell 1 for matching with the capacity expansion and pressurization of the lithium ion battery; during assembly, firstly expanding the capacity and increasing the pressure according to the requirement, and determining the number of the insulating splicing blocks 2 and the bridging soldering lugs 3 and the length of the insulating core rod 4; then, an insulating core rod 4 is arranged on the insulating assembling blocks 2 which are sequentially overlapped together in a penetrating mode, and an insulating nut 5 is locked, but is not locked completely; then, the bridging welding sheet 3 is placed in the accommodating cavity 21; then, the battery cells 1 are sequentially stacked together, wherein an anode tab 11 is exposed on the battery cell 1 at the head end, a cathode tab 12 is correspondingly exposed on the battery cell 1 at the tail end, and in two adjacent battery cells 1, the anode tab 11 on one battery cell 1 and the cathode tab 12 on the other battery cell 1 extend into the accommodating cavity 21 and then are attached to the side wall of the bridging welding piece 3; after that, the insulating nut 5 is completely tightened again to complete the assembly of the connection structure.
The utility model discloses a be equipped with insulating piece 2 of assembling, cross-over connection soldering lug 3, insulating plug 4 and insulating nut 5, when cooperation lithium ion battery dilatation pressure boost, only need as required dilatation pressure boost's volume, confirm insulating quantity of assembling piece 2 and cross-over connection soldering lug 3, and insulating plug 4's length, during the equipment, also only need with electric core 1 and insulating assemble piece 2 in proper order the superpose together can, its connection structure is simple, high convenience assembling, thereby reduce lithium ion battery's dilatation difficulty greatly.
The above-mentioned connection structure also includes the electrode terminal 6; the insulating assembling block 2 adjacent to the exposed anode tab 11 and the exposed cathode tab 12 is provided with a terminal cavity 22; the electrode terminal 6 is mounted in the terminal chamber 22; the exposed positive electrode tab 11 and negative electrode tab 12 extend into the terminal chamber 22 and then abut against the side walls of the electrode terminal 6. The electrode terminal 6 is provided for connecting the exposed positive electrode tab 11 and the exposed negative electrode tab 12 in the combined battery cell 1, and the combined battery cell 1 is charged or discharged through the motor terminal.
The two sides of the insulating assembling block 2 are respectively provided with a convex block 23. When a plurality of insulating assembling blocks 2 are sequentially overlapped together, two adjacent insulating assembling blocks 2 are surrounded to form an accommodating cavity 21 under the matching of the convex blocks 23.
The bump 23 is provided with a sinking platform 231. By providing a platform 231 for placing the jumper pads 3.
The bridging lug 3 is provided with an arc notch 31 for the insulation core rod 4 to pass through. During installation, the insulating core rod 4 can be firstly penetrated on the insulating splicing blocks 2 which are sequentially overlapped together, and the insulating nut 5 is locked, but is not completely locked; at this time, the bridging lug 3 is placed in the accommodating cavity 21, the arc notch 31 is placed on the insulating core rod 4, and then the insulating nut 5 is completely locked, so that the assembly of the connecting structure is completed. Through being equipped with circular arc breach 31, not only make insulating plug 4 have spacing effect to cross-over connection soldering lug 3, moreover, compare with the round hole that supplies insulating plug 4 to pass through the setting, insulating plug 4 need not align one by one, pass the round hole on the cross-over connection soldering lug 3, have simple to operate, swift advantage.
The foregoing description of the specific exemplary embodiments of the invention has been presented for the purposes of illustration and description and is not intended to limit the invention to the precise forms disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application, to thereby enable others skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as may be suited to the particular use contemplated and contemplated by those skilled in the art without departing from the scope of the invention.
Claims (5)
1. The utility model provides a connection structure for electric core equipment which characterized in that: the battery comprises a plurality of battery cells, a plurality of insulating assembling blocks, a bridging soldering lug, an insulating core rod and an insulating nut; the insulating assembling blocks are sequentially overlapped together, and an accommodating cavity for placing a bridging soldering lug is formed between two adjacent insulating assembling blocks; a plurality of battery cells are sequentially stacked together, and both ends of each battery cell are respectively provided with a positive electrode tab and a negative electrode tab; a positive electrode lug or a negative electrode lug is exposed on the battery cell at the head end, and correspondingly, a negative electrode lug or a positive electrode lug is exposed on the battery cell at the tail end; in addition, in two adjacent battery cells, a positive electrode tab on one battery cell and a negative electrode tab on the other battery cell extend into the accommodating cavity and then are attached to the side wall of the bridging welding sheet; the insulating core rod penetrates through the insulating assembling block; the insulating nuts are screwed at two ends of the insulating core rod.
2. The connection structure for cell assembly according to claim 1, wherein: the connection structure further includes an electrode terminal; the insulating assembling blocks adjacent to the exposed positive electrode lug and the exposed negative electrode lug are provided with terminal cavities; the electrode terminals are mounted in the terminal chambers; the exposed positive pole lug and the exposed negative pole lug extend into the terminal chamber and then are attached to the side wall of the electrode terminal.
3. The connection structure for cell assembly according to claim 1, wherein: and the two sides of the insulating assembling block are respectively provided with a convex block.
4. The connection structure for cell assembly according to claim 3, wherein: the lug is provided with a sinking platform.
5. The connection structure for cell assembly according to claim 1, wherein: and the bridging soldering lug is provided with a circular arc notch for the insulation core rod to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020307354.1U CN211404594U (en) | 2020-03-12 | 2020-03-12 | A connection structure for electric core equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020307354.1U CN211404594U (en) | 2020-03-12 | 2020-03-12 | A connection structure for electric core equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211404594U true CN211404594U (en) | 2020-09-01 |
Family
ID=72230173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020307354.1U Active CN211404594U (en) | 2020-03-12 | 2020-03-12 | A connection structure for electric core equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211404594U (en) |
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2020
- 2020-03-12 CN CN202020307354.1U patent/CN211404594U/en active Active
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