CN210350029U

CN210350029U - Polymer soft package square lithium battery parallel connection formation structure

Info

Publication number: CN210350029U
Application number: CN201921507668.XU
Authority: CN
Inventors: 田华
Original assignee: Dongguan Amperex Technology Ltd
Current assignee: Dongguan Amperex Technology Ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-04-17
Anticipated expiration: 2029-09-11

Abstract

The utility model discloses a parallel formation structure of polymer soft-packaged square lithium batteries, which comprises a parallel clamp bottom plate, the top of the parallel clamp bottom plate is provided with a parallel positive copper sheet and a parallel negative copper sheet, the parallel clamp bottom plate is provided with a plurality of polar lug clamps close to the parallel positive copper sheet and the parallel negative copper sheet, a first groove and a second groove are formed at the bottom of the polar lug clamp, one end of the parallel positive copper sheet penetrates through the first groove and extends to the outer side of the first groove, one end of the parallel negative copper sheet penetrates through the second groove and extends to the outer side of the second groove, the pole ear clip is provided with a pole ear clip anode and a pole ear clip cathode, one side of the pole ear clip is connected with an anode leading-out pin, and the other side of the pole lug clamp is connected with a negative pole leading-out pin, the positive pole leading-out pin is welded with the parallel positive pole copper sheet, and the negative pole leading-out pin is welded with the parallel negative pole copper sheet. Has the advantages that: effectively improve the utilization ratio of the formation cabinet and reduce the operation difficulty.

Description

Polymer soft package square lithium battery parallel connection formation structure

Technical Field

The utility model relates to a battery technology field particularly, relates to a parallelly connected structure of becoming of soft packet of square lithium cell of polymer.

Background

The polymer soft package lithium cell, must carry out the charge-discharge formation to the battery in the production technology process, the formation of conventional formation cabinet is single-point monocell formation, has the formation cabinet power surplus to the tiny cell, and the unfavorable productivity that improves when limited formation cabinet and limited place space, formation cabinet are because higher and open the great upper clamp blind area of existing simultaneously of clamp power degree, so have certain requirement to the operator, and the cycle that adapts to this process to the operator is longer, the long-term stable production of this process of unfavorable.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a soft packet of square lithium cell of polymer connects in parallel and becomes the structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a polymer soft-packaged square lithium battery parallel-connection forming structure comprises a parallel-connection clamp bottom plate, wherein the top of the parallel-connection clamp bottom plate is provided with a parallel-connection positive copper sheet and a parallel-connection negative copper sheet, a plurality of pole lug clamps are arranged on the parallel clamp bottom plate close to the parallel positive pole copper sheets and the parallel negative pole copper sheets, a first groove and a second groove are formed at the bottom of the polar lug clamp, one end of the parallel positive copper sheet penetrates through the first groove and extends to the outer side of the first groove, one end of the parallel negative copper sheet penetrates through the second groove and extends to the outer side of the second groove, the pole ear clip is provided with a pole ear clip anode and a pole ear clip cathode, one side of the pole ear clip is connected with an anode leading-out pin, and the other side of the pole lug clamp is connected with a negative pole leading-out pin, the positive pole leading-out pin is welded with the parallel positive pole copper sheet, and the negative pole leading-out pin is welded with the parallel negative pole copper sheet.

Furthermore, the pole lug clamp is provided with two fixing holes, the pole lug clamp is connected with the parallel clamp base plate through screws, and the screws penetrate through the fixing holes.

Furthermore, the parallel positive copper sheets are fixedly connected with the parallel clamp bottom plate through a first fixing rivet, and the parallel negative copper sheets are fixedly connected with the parallel clamp bottom plate through a second fixing rivet.

Furthermore, the top of the polar lug clip is connected with a bulge.

Furthermore, the top of the polar ear clip is fixedly connected with a positive and negative sign.

Furthermore, the parallel clamp bottom plate is an insulating parallel clamp bottom plate.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) this device adopts the mode of changing into the parallelly connected a plurality of batteries of cabinet single-point of formation into, effectively improves the utilization ratio of changing into the cabinet, reduces the operation degree of difficulty, reduces the risk that influences the productivity because of personnel flow, effectively improves production place space utilization.

(2) The first fixing rivet is used for connecting the parallel positive copper sheets and the parallel clamp bottom plate, and the second fixing rivet is used for connecting the parallel negative copper sheets and the parallel clamp bottom plate.

(3) The anti-skidding nature of utmost point ear clamp is improved to the arch, can play skid-proof effect when pressing utmost point ear clamp, and positive negative pole sign is used for the positive negative pole position of suggestion utmost point ear clamp.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a polymer soft-packed square lithium battery according to an embodiment of the present invention, which is connected in parallel to form a structure;

fig. 2 is a schematic structural diagram of fixing holes in a parallel-connected structure of polymer soft-packaged square lithium batteries according to an embodiment of the present invention;

fig. 3 is a side view of a polymer soft pack square lithium battery coupled in parallel into a structure according to an embodiment of the present invention.

Reference numerals:

1. connecting positive copper sheets in parallel; 2. connecting negative copper sheets in parallel; 3. the positive pole is clamped by a pole lug; 4. clamping a negative electrode by a tab; 5. a polar ear clip; 6. fixing a first rivet; 7. fixing a second rivet; 8. a fixing hole; 9. parallel clamp bottom plates; 10. a positive lead-out pin; 11. a negative electrode lead-out pin; 12. marking positive and negative electrodes; 13. a protrusion; 14. a first groove; 15. and a second groove.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

the first embodiment is as follows:

referring to fig. 1-3, according to the embodiment of the present invention, a polymer square lithium battery with soft package is formed in parallel, and includes a parallel clip bottom plate 9, the parallel clip bottom plate 9 is an insulating parallel clip bottom plate, a parallel positive copper sheet 1 and a parallel negative copper sheet 2 are disposed on the top of the parallel clip bottom plate 9, a plurality of positive tab clips 5 are disposed on the parallel clip bottom plate 9 near the parallel positive copper sheet 1 and the parallel negative copper sheet 2, a first groove 14 and a second groove 15 are formed on the bottom of the positive tab clips 5, one end of the parallel positive copper sheet 1 penetrates through the first groove 14 and extends to the outside of the first groove 14, and one end of the parallel negative copper sheet 2 penetrates through the second groove 15 and extends to the outside of the second groove 15;

the utility model discloses a lead-out structure of utmost point ear clip 5, including utmost point ear clip 5, be provided with utmost point ear clip positive pole 3 and utmost point ear clip negative pole 4 on the utmost point ear clip 5, the positive negative pole sign 12 of the top fixedly connected with of utmost point ear clip 5, positive negative pole sign 12 are used for indicateing the positive negative pole position of utmost point ear clip 5, the top of utmost point ear clip 5 is connected with arch 13, and arch 13 improves the antiskid nature of utmost point ear clip 5, can play skid-proof effect when pressing utmost point ear clip 5, one side of utmost point ear clip 5 is connected with anodal pin 10 of drawing out, the opposite side of utmost point ear clip 5 is connected with negative pole pin 11 of drawing out, anodal pin 10 with parallelly connected anodal copper sheet 1 welding, the negative pole.

Example two:

referring to fig. 1-3, the pole lug clamp 5 is provided with two fixing holes 8, the pole lug clamp 5 is connected with the parallel clamp base plate 9 through screws, the screws penetrate through the fixing holes 8 and penetrate through the fixing holes 8 through the screws, so that the pole lug clamp 5 can be connected and fixed with the parallel clamp base plate 9, the parallel positive copper sheet 1 is fixedly connected with the parallel clamp base plate 9 through a first fixing rivet 6, the parallel negative copper sheet 2 is fixedly connected with the parallel clamp base plate 9 through a second fixing rivet 7, the first fixing rivet 6 is used for connecting the parallel positive copper sheet 1 with the parallel clamp base plate 9, and the second fixing rivet 7 is used for connecting the parallel negative copper sheet 2 with the parallel clamp base plate 9.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, a parallel positive copper sheet 1 and a parallel negative copper sheet 2 are riveted with a parallel clamp bottom plate 9 by a first fixing rivet 6 and a second fixing rivet 7 respectively, screws are used as fixing pieces and penetrate through the parallel clamp bottom plate 9 and fixing holes 8 on a positive lug clamp 5 to enable the positive lug clamp 5 and the parallel clamp bottom plate 9 to be connected and fixed, the parallel positive copper sheet 1 is located in a first groove 14 on the positive lug clamp 5, the parallel negative copper sheet 2 is located in a second groove 15 on the positive lug clamp 5, a positive lead-out pin 10 and a negative lead-out pin 11 on the positive lug clamp 5 are respectively welded with the parallel positive copper sheet 1 and the parallel negative copper sheet 2, a battery to be formed is clamped in clamping mouths of a positive lug clamp 3 and a negative lug clamp 4 of the positive lug clamp 5, the positive and negative poles of the positive lug clamp 5 can be judged by positive and negative pole marks 12, and the parallel clamp structure is clamped in a forming cabinet for forming charging and discharging, this device adopts the mode of changing into the parallelly connected a plurality of batteries of cabinet single-point of formation into, effectively improves the utilization ratio of changing into the cabinet, reduces the operation degree of difficulty, reduces the risk that influences the productivity because of personnel flow, effectively improves production place space utilization.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The polymer soft-package square lithium battery is connected in parallel to form a structure and is characterized by comprising a parallel clamp base plate (9), wherein a parallel positive copper sheet (1) and a parallel negative copper sheet (2) are arranged at the top of the parallel clamp base plate (9), a plurality of electrode lug clamps (5) are arranged at the positions, close to the parallel positive copper sheet (1) and the parallel negative copper sheet (2), of the parallel clamp base plate (9), a first groove (14) and a second groove (15) are formed in the bottom of each electrode lug clamp (5), one end of the parallel positive copper sheet (1) penetrates through the first groove (14) and extends to the outer side of the first groove (14), one end of the parallel negative copper sheet (2) penetrates through the second groove (15) and extends to the outer side of the second groove (15), an electrode lug clamp positive electrode (3) and an electrode lug clamp negative electrode (4) are arranged on each electrode lug clamp (5), one side of the pole ear clip (5) is connected with a positive pole leading-out pin (10), the other side of the pole ear clip (5) is connected with a negative pole leading-out pin (11), the positive pole leading-out pin (10) is welded with the parallel positive pole copper sheet (1), and the negative pole leading-out pin (11) is welded with the parallel negative pole copper sheet (2).

2. The polymer soft-package square lithium battery as claimed in claim 1, wherein the pole ear clip (5) has two fixing holes (8), the pole ear clip (5) is connected to the parallel clip bottom plate (9) by screws, and the screws penetrate through the fixing holes (8).

3. The polymer soft-package square lithium battery is connected in parallel into a structure according to claim 1, wherein the parallel positive copper sheets (1) are fixedly connected with the parallel clamp base plate (9) through a first fixing rivet (6), and the parallel negative copper sheets (2) are fixedly connected with the parallel clamp base plate (9) through a second fixing rivet (7).

4. The polymer square lithium battery pack according to claim 1, wherein the top of the electrode tab clip (5) is connected with a protrusion (13).

5. The polymer soft-package square lithium battery as claimed in claim 1, wherein positive and negative signs (12) are fixedly connected to the top of the polar lug clip (5).

6. The polymer soft-package square lithium battery as claimed in claim 3, wherein the parallel clamp bottom plate (9) is an insulating parallel clamp bottom plate.