CN213936465U

CN213936465U - Positive and negative electrode conductive piece of single-phase packaged battery

Info

Publication number: CN213936465U
Application number: CN202023100428.3U
Authority: CN
Inventors: 袁郭竣; 周鳌; 潘环吉; 沈荧杰; 刘剑
Original assignee: Ningbo City Quansheng Shell Co ltd
Current assignee: Ningbo City Quansheng Shell Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-08-10
Anticipated expiration: 2030-12-21

Abstract

The utility model provides a positive and negative electrode conductive piece of a single-phase packaged battery, which relates to the technical field of ammeter batteries, wherein the positive electrode conductive piece comprises a positive electrode soldering lug and a positive electrode contact pin which are respectively positioned at two ends, and the negative electrode conductive piece comprises a negative electrode soldering lug and a negative electrode contact pin which are respectively positioned at two ends; the positive electrode welding piece and the negative electrode welding piece are both provided with convex hulls, and the convex hulls protrude towards the battery. The utility model discloses a positive negative pole electrically conductive piece welding position (soldering lug) and positive negative pole electrically conductive piece integrative, welding position is the panel of 0.3mm thickness, dashes 0.15 mm's local thickness at welding position, forms 0.15 mm's convex closure, therefore when the stainless steel panel of soldering lug and battery positive/negative pole carries out spot welding, the current panel of 0.15mm of convex closure fungible had both guaranteed welded reliability (difficult the welding and has worn), has strengthened welded firmness, has reduced the process again.

Description

Positive and negative electrode conductive piece of single-phase packaged battery

Technical Field

The utility model relates to a positive negative pole of single-phase encapsulation battery is electrically conductive belongs to ammeter battery technical field.

Background

In the conventional packaged battery adopted in the electric meter, the positive and negative conductive metal sheets are directly connected with the positive and negative electrodes of the battery in a welding mode, and the battery is fixed while being electrified, so that the electric meter is prevented from shifting in the transportation process, and the good contact of the battery is ensured. However, most of the currently used positive/negative electrode conductive pieces of batteries are welded by using a plate (positive/negative electrode conductive piece) of 0.6mm and a plate (soldering lug) of 0.15mm, and then spot-welded with a stainless steel plate of the positive/negative electrode of the battery through the soldering lug of 0.15mm (as shown in fig. 2), which has the problems of insecure welding and easy welding, and the process is complicated.

The present application was made based on this.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned defect that exists among the prior art, the utility model provides a positive negative pole of single-phase encapsulation battery is electrically conductive, guarantees welded reliability (difficult the welding and wears), when reinforcing welded firmness, reduces the process.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a positive and negative electrode conductive piece of a single-phase packaged battery comprises a positive electrode soldering lug and a positive electrode contact pin which are respectively positioned at two ends, and a negative electrode conductive piece comprises a negative electrode soldering lug and a negative electrode contact pin which are respectively positioned at two ends; the positive electrode welding piece and the negative electrode welding piece are both provided with convex hulls, and the convex hulls protrude towards the battery.

Furthermore, two convex hulls are symmetrically arranged on the positive electrode soldering lug, and two convex hulls are symmetrically arranged on the negative electrode soldering lug; the convex hull is arc-shaped.

Furthermore, a strip-shaped seam is arranged between the two convex hulls.

Furthermore, the thickness of the positive electrode conductive piece and the thickness of the negative electrode conductive piece are both 0.3mm, and the thickness of the convex hull is 0.15 mm.

Furthermore, the positive pin and the negative pin are both provided with flanges, and the two flanges are arranged in opposite directions.

Furthermore, reinforcing ribs are arranged on the main bodies of the positive electrode conductive piece and the negative electrode conductive piece.

The utility model discloses a principle and beneficial technological effect:

the utility model discloses an electrically conductive piece welding position (soldering lug) of positive negative pole and electrically conductive integrative of positive negative pole, welding position is the panel of 0.3mm thickness, dashes 0.15 mm's local thickness at welding position, forms 0.15 mm's convex closure, therefore when the soldering lug carries out spot welding with the stainless steel panel of battery positive/negative pole, the current 0.15 mm's of convex closure fungible panel had both guaranteed welded reliability (difficult the welding and has worn), has strengthened welded firmness, has reduced the process again.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of positive and negative electrode conductive members of a single-phase packaged battery of the embodiment;

fig. 2 is a schematic plan view of the combination of positive and negative electrode conductive sheets and soldering lugs in a conventional single-phase packaged battery;

description of the labeling: the positive electrode conductive piece 1, the positive electrode soldering lug 11, the positive electrode pin 12, the negative electrode conductive piece 2, the negative electrode soldering lug 21, the negative electrode pin 22, the pin flanging 3, the welding line 4, the arc convex hull 5, the reinforcing rib 6, the traditional soldering lug 7 with 0.15mm and the traditional positive and negative electrode conductive piece 8 with 0.6 mm.

Detailed Description

In order to make the technical means and the technical effects achieved by the technical means of the present invention clearer and more complete, the following embodiments are provided and are described in detail with reference to the accompanying drawings as follows:

as shown in fig. 1, the positive and negative conductive members of the single-phase packaged battery of the present embodiment include a positive electrode tab and a positive electrode pin respectively located at two ends, and the negative conductive member includes a negative electrode tab and a negative electrode pin respectively located at two ends; all be equipped with the convex closure on anodal soldering lug and the negative pole soldering lug, and the convex closure is protruding to the battery, and the convex closure is through the arch (local thickness) that has a take the altitude that the punching press formed, therefore when the stainless steel panel of soldering lug and battery positive/negative pole carries out spot welding, the current 0.15 mm's of convex closure fungible (save), both guaranteed welded reliability (difficult the welding and worn), strengthened welded firmness, reduced the process again.

Preferably, in this embodiment, the positive electrode tab is symmetrically provided with two convex hulls, and the negative electrode tab is symmetrically provided with two convex hulls; the convex hull is arc-shaped. The two convex hulls form two welding spots, so that the welding reliability can be ensured; the arc convex hull increases the area of the welding spot, and further improves the reliability of welding.

Preferably, a strip-shaped seam is arranged between the two convex hulls. The effect of bar seam lies in carrying out the spot welding in-process, when guaranteeing that the electric current passes through, and the heating point concentrates on two convex closure departments, improves the firmness of solder joint.

In this embodiment, preferably, the thicknesses of the positive electrode conductive member and the negative electrode conductive member are both 0.3mm, and the thickness of the convex hull is 0.15mm, so that the convex hull is suitable for being welded with a battery, which is currently and generally made of 304 stainless steel plates, for positive and negative electrodes.

Preferably, positive pole contact pin and negative pole contact pin all are equipped with the turn-ups, and two turn-ups subtend sets up. Because the thickness of the traditional conductive piece is 0.6mm, the thickness of the traditional contact pin is 0.6mm, and the thickness of the positive and negative conductive pieces in the embodiment is changed into 0.3mm, the thickness of the positive and negative conductive pieces can be increased to the original thickness by increasing the flanging so as to match the original socket, and the thickening effect is achieved.

Preferably, the main bodies of the positive electrode conductive member and the negative electrode conductive member are provided with reinforcing ribs. The structural strength of the positive conductive piece and the negative conductive piece is improved.

The spot welding used in this embodiment is resistance welding, which is a welding method in which a columnar electrode is used to form a welding spot between the contact surfaces of two overlapping workpieces during welding. During spot welding, the workpiece is pressed to be in close contact with the workpiece, then current is switched on, the contact position of the workpiece is melted under the action of resistance heat, and a welding spot is formed after cooling. The spot welding is mainly used for welding stamping parts of sheet members with the thickness of less than 4 mm.

The above is a detailed description of the technical solutions provided in connection with the preferred embodiments of the present invention, and it should not be assumed that the embodiments of the present invention are limited to the above description, and it will be apparent to those skilled in the art that the present invention can be implemented in a variety of ways without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a positive negative pole of single-phase encapsulation battery electrically conducts which characterized in that: the positive electrode conductive piece comprises a positive electrode soldering lug and a positive electrode contact pin which are respectively positioned at two ends, and the negative electrode conductive piece comprises a negative electrode soldering lug and a negative electrode contact pin which are respectively positioned at two ends; the positive electrode welding piece and the negative electrode welding piece are both provided with convex hulls, and the convex hulls protrude towards the battery.

2. The positive-negative electrode conductive member for a single-phase packaged battery as claimed in claim 1, wherein: the positive electrode soldering lug is symmetrically provided with two convex hulls, and the negative electrode soldering lug is symmetrically provided with two convex hulls; the convex hull is arc-shaped.

3. The positive-negative electrode conductive member of a single-phase packaged battery as claimed in claim 2, wherein: and a strip-shaped seam is arranged between the two convex hulls.

4. The positive-negative electrode conductive member of a single-phase packaged battery as claimed in claim 1, 2 or 3, wherein: the thickness of the positive electrode conductive piece and the thickness of the negative electrode conductive piece are both 0.3mm, and the thickness of the convex hull is 0.15 mm.

5. The positive-negative electrode conductive member for a single-phase packaged battery as claimed in claim 1, wherein: the positive pin and the negative pin are both provided with flanges, and the two flanges are arranged in opposite directions.

6. The positive-negative electrode conductive member for a single-phase packaged battery as claimed in claim 1, wherein: and reinforcing ribs are arranged on the main bodies of the positive electrode conductive piece and the negative electrode conductive piece.