CN209880720U

CN209880720U - Battery module nickel sheet structure

Info

Publication number: CN209880720U
Application number: CN201920393575.2U
Authority: CN
Inventors: 黄海明
Original assignee: Dekun Precision Hardware Technology (suzhou) Co Ltd
Current assignee: Dekun Precision Hardware Technology (suzhou) Co Ltd
Priority date: 2019-03-27
Filing date: 2019-03-27
Publication date: 2019-12-31
Anticipated expiration: 2029-03-27

Abstract

The utility model discloses a battery module nickel sheet structure, which comprises a nickel sheet body, wherein a plurality of groups of S-shaped welding hole sites are arranged in the nickel sheet body and are distributed at equal intervals, welding bumps are correspondingly and inwards formed at two sides of a vertical groove in the middle of each S-shaped welding hole site, a buckle piece is arranged to be favorable for being stably and conveniently fixed on a support of an electric core, and a positioning hole assists the nickel sheet body to be fixed to the center of the support; the S type welding hole, the welding bump of nickel piece body are favorable to better with nickel piece welding to electric core position, and the welding effect is superior, and welds more stably firm, and the guiding gutter that discharges can ensure can fully shunt in welding process, avoids the electric current to concentrate a bit and causes the solder joint bad, the utility model discloses simple structure, convenient to use, the availability factor is high, and the cost is with low costs, easily promotes.

Description

Battery module nickel sheet structure

Technical Field

The utility model relates to a belong to battery part technical field, concretely relates to battery module nickel piece structure.

Background

With the development of social economy and the continuous development of new energy industries, new energy automobiles serve as one of key industries in the new energy industries, and automobile batteries for providing energy for electric automobiles are also in the opportunity of development. The power battery is widely used, more and more attention is paid to the modularization of the battery, the production efficiency of the power battery can be improved by the modularization of the battery, the labor cost of the battery is reduced, and in the process of assembling the battery module, the module bracket and each plate are not connected stably, so that the battery module is easy to be assembled wrongly; secondly, the assembly is complicated, needs the circumference to punch inside the fixed module.

In the actual use process, the nickel sheets connected with the battery core are of simple sheet structures, the connection strength between the nickel sheets and the battery core is low, but when the power battery module jolts, the battery core is easy to loose welding positions between the nickel sheets; the nickel piece links to each other through resistance welding with battery cell, because the nickel piece is as smooth lamellar body structure, welding operation is inconvenient, and welds insecurely, influences the quality of battery package, consequently, needs a new scheme that is applicable to the inside module assembly of power battery.

SUMMERY OF THE UTILITY MODEL

For solving above-mentioned problem comprehensively, especially to the not enough that prior art exists, the utility model provides a battery module nickel piece structure can solve above-mentioned problem comprehensively.

In order to achieve the above object, the utility model adopts the following technical means:

the utility model provides a battery module nickel piece structure, includes the nickel piece body, this internal S type welding hole site that is equipped with a plurality of groups equidistance interval distribution of nickel piece, the both sides correspondence of erecting the groove in the middle of the S type welding hole site inwards is formed with the welding bump, a plurality of the center that S type welding hole site encloses is provided with the locating hole, the both sides of locating hole are formed with the first hole site that corresponds with S type welding hole, be provided with the U type guiding gutter that discharges of a plurality of groups equidistance interval distribution between the S type welding hole site, the both sides limit of U type guiding gutter that discharges is connected through the connection piece, the connection piece inwards arches and forms the locating piece, the upper portion edge of nickel piece body outwards bends and is formed with buckle spare, be provided with a plurality of buckle holes on the buckle spare.

Furthermore, the two side edges of the nickel sheet body are arranged in a wavy manner, so that the installation is more adaptive, and the fixing direction can be better determined.

Furthermore, the both sides of the nickel sheet body that is wavy setting are provided with a plurality of peak cutting portions and the wave valley portion that the equidistance set up, and the installation is more adaptation, is favorable to the fixed direction of better definite.

Further, S type welding hole site includes that left side erects the groove, middle perpendicular groove, right side erects the groove, the both ends that the groove was erect in left side perpendicular groove, right side and middle perpendicular groove are passed through the arc wall and are connected, are favorable to better and weld the bump cooperation and weld, increased with the area of contact of electric core, make things convenient for welding operation, when the nickel piece body takes place to shake, be difficult for the skew.

Further, a left side is erected the groove and is erected the groove with the right side and erect the groove symmetry setting for the centre, a left side is erected between groove and the centre and is erected between the groove, and centre is erected between groove and the right side and is erected between the groove and outwards be formed with the welding bump, and welding is stable, and the welding effect is more ideal, has improved welded fastness.

Furthermore, the size of the positioning hole is larger than that of the first hole, so that better positioning is facilitated.

Furthermore, the U-shaped discharge guiding grooves are arranged at intervals of a group of S-shaped welding hole positions at equal intervals, so that sufficient shunting in the welding process is ensured, and poor welding spots caused by one point of current concentration are avoided.

Furthermore, the buckle piece and the nickel sheet body form a 90-degree included angle, which is beneficial to better clamping with a support in the power battery module to be assembled correspondingly.

Furthermore, the two groups of S-shaped welding hole positions which are adjacent up and down are correspondingly arranged in a staggered mode, so that the welding is more stable.

Furthermore, the number of the positioning holes is two, and the number of the first hole sites is 4, so that better positioning and heat dissipation are facilitated.

The utility model has the advantages that: the buckle piece arranged in the utility model is beneficial to being stably and conveniently fixed on the support of the battery cell, and the positioning hole assists the nickel sheet body to be fixed to the center of the support; the S type welding hole, the welding bump of nickel piece body are favorable to better with nickel piece welding to electric core position, and the welding effect is superior, and welds more stably firm, and the guiding gutter that discharges can ensure can fully shunt in welding process, avoids the electric current to concentrate a bit and causes the solder joint bad, the utility model discloses simple structure, convenient to use, the availability factor is high, and the cost is with low costs, easily promotes.

Drawings

Fig. 1 is a schematic front view of an embodiment of the present invention;

fig. 2 is a schematic top view of an embodiment of the present invention;

fig. 3 is a schematic side view of an embodiment of the present invention;

fig. 4 is an enlarged schematic view of a welding bump according to an embodiment of the present invention;

fig. 5 is an enlarged schematic view of a positioning block according to an embodiment of the present invention.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 5, the utility model provides a battery module nickel piece structure, including nickel piece body 1, this internal S type welding hole site 2 that is equipped with a plurality of groups equidistance interval distribution of nickel piece, the both sides correspondence of erecting groove 3 in the middle of the S type welding hole site is inwards formed with welding bump 4, a plurality of the center that S type welding hole site encloses is provided with locating hole 5, the both sides of locating hole are formed with the first hole site 6 that corresponds with S type welding hole, be provided with the U type guiding gutter 7 that discharges of a plurality of groups equidistance interval distribution between the S type welding hole site, the both sides limit of U type guiding gutter that discharges is passed through connection piece 8 and is connected, the inside hunch-up of connection piece forms locating piece 9, the upper portion edge incurve of nickel piece body is formed with buckle 10, be provided with a plurality of buckle holes 11 on the buckle.

The two side edges of the nickel sheet body are arranged in a wavy manner, so that the installation is more adaptive, and the fixing direction can be better determined.

The both sides that are the nickel sheet body of wavy setting are provided with a plurality of peak portions 12 and the trough portion 13 of chipping that the equidistance set up, and the installation is adaptation more, is favorable to the fixed direction of better definite.

2 positions of S type welding hole include that left side erects groove 14, middle perpendicular groove 3, right side and erects groove 15, the both ends that the groove was erect in a left side, right side and the middle perpendicular groove are passed through arc wall 16 and are connected, are favorable to better and weld the bump cooperation and weld, have increased with the area of contact of electric core, make things convenient for welding operation, when the nickel piece body takes place to shake, be difficult for the skew.

The left vertical groove 14 and the right vertical groove 15 are symmetrically arranged relative to the middle vertical groove 3, welding salient points are formed between the left vertical groove and the middle vertical groove and between the middle vertical groove and the right vertical groove outwards, welding is stable, the welding effect is more ideal, and welding firmness is improved.

The positioning hole size of 5 inches is greater than the size of the first hole position of 6 inches, so that better positioning is facilitated.

U type guiding gutter 7 interval a set of S type welding hole site 2 equidistance interval arrangement ensures fully to shunt in welding process, avoids the electric current to concentrate a bit and causes the solder joint bad.

The fastener 10 and the nickel sheet body form a 90-degree included angle, which is beneficial to better clamping with a support in a power battery module to be assembled correspondingly.

And the upper and lower adjacent two groups of S-shaped welding hole positions 2 are correspondingly staggered, so that the welding is more stable.

The number of the positioning holes 5 is two, and the number of the first hole sites 6 is 4, so that better positioning and heat dissipation are facilitated.

The buckle piece arranged in the embodiment is beneficial to being stably and conveniently fixed on a support of the battery cell, and the positioning hole assists the nickel sheet body to be fixed to the center of the support; the S type welding hole, the welding bump of nickel piece body are favorable to better with nickel piece welding to electric core position, and the welding effect is superior, and welds more stably firm, and the guiding gutter that discharges can ensure can fully shunt in welding process, avoids the electric current to concentrate a bit and causes the solder joint bad, the utility model discloses simple structure, convenient to use, the availability factor is high, and the cost is with low costs, easily promotes.

The present invention is illustrated by way of example and not by way of limitation. It will be apparent to those skilled in the art that other variations and modifications of the present invention can be made in light of the above teachings, and it is not necessary or necessary to exhaustively enumerate all embodiments herein, and it is intended that all such obvious variations and modifications are within the scope of the present invention.

Claims

1. The utility model provides a battery module nickel piece structure, its characterized in that, includes the nickel piece body, this internal S type welding hole site that is equipped with a plurality of groups equidistance interval distribution of nickel piece, the both sides correspondence of erecting the groove in the middle of the S type welding hole site is outwards formed with the welding bump, a plurality of the center that S type welding hole site encloses is provided with the locating hole, the both sides of locating hole are formed with the first hole site that corresponds with S type welding hole, be provided with the U type guiding gutter that discharges of a plurality of groups equidistance interval distribution between the S type welding hole site, the both sides limit of U type guiding gutter that discharges is passed through the connection piece and is connected, the connection piece inwards arches and forms the locating piece, the upper portion edge of nickel piece body is outwards crooked to be formed with buckle spare, be provided with a plurality of buckle holes.

2. The nickel sheet structure for battery modules according to claim 1, wherein the two side edges of the nickel sheet body are arranged in a wave shape.

3. The nickel sheet structure for battery modules according to claim 2, wherein the nickel sheet body is provided at both sides thereof with a plurality of peak portions and wave trough portions arranged at equal intervals.

4. The battery module nickel sheet structure of claim 1, wherein the S-shaped welding hole site comprises a left vertical groove, a middle vertical groove and a right vertical groove, and the two ends of the left vertical groove, the right vertical groove and the middle vertical groove are connected through arc-shaped grooves.

5. The nickel sheet structure of the battery module according to claim 4, wherein the left vertical groove and the right vertical groove are symmetrically arranged relative to the middle vertical groove, and welding bumps are formed outwards between the left vertical groove and the middle vertical groove and between the middle vertical groove and the right vertical groove.

6. The nickel plate structure of a battery module according to claim 1, wherein the size of the positioning hole is larger than the size of the first hole.

7. The nickel sheet structure for battery modules according to claim 1, wherein the U-shaped discharge channels are equidistantly spaced apart from one set of S-shaped welding hole sites.

8. The nickel plate structure of a battery module according to claim 1, wherein the fastener forms an included angle of 90 degrees with the nickel plate body.

9. The nickel sheet structure of the battery module according to claim 1, wherein two adjacent sets of S-shaped welding holes are correspondingly staggered.

10. The nickel sheet structure of a battery module according to claim 1, wherein there are two positioning holes and 4 first positioning holes.