Tension test structure

A tension test and tension technique, applied in the direction of applying stable tension/pressure to test the strength of materials, measuring devices, instruments, etc., can solve the problems of affecting the electrical performance of the battery, impossible to verify, and difficult to meet the product qualification rate, etc., and achieve strong welding. , the effect of ensuring electrical performance, improving qualification rate and competitive advantage

Pending Publication Date: 2018-07-10
HEBEI YINLONG NEW ENERGY +1
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Problems solved by technology

In the production process of the battery, after the battery cell and the plate are welded, if the correct test and inspection are not carried out, whether the welded battery cell is qualified or not will affect the electrical performance of the later battery, and there will be no way to verify
Moreover, without inspection of welding quality, it is difficult to meet the requirements of product qualification rate

Method used

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Embodiment Construction

[0028] In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, not all the embodiments. The components of the embodiments of the present invention generally described and illustrated in the drawings herein may be arranged and designed in various different configurations.

[0029] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ...

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Abstract

The invention provides a tension test structure, and relates to the technical field of battery detection. The tension test structure comprises a driving element, a moving assembly, a tension detectorand a fixing clamp, wherein the driving element is connected with the moving assembly; an element to be detected is arranged on the fixed clamp and is connected with the moving assembly; the moving assembly moves under the effect of the driving element and exerts tension on the element to be detected; the tension detector is arranged on the moving assembly and is used for detecting the tension born by the element to be detected so as to judge whether the connection of the element to be detected is reliable or not. The tension test structure has the advantages that the operation is convenient;the test precision is high; the product qualification rate is favorably improved; the product quality and competitive power are improved.

Description

Technical field [0001] The invention relates to the technical field of battery detection, and in particular to a tensile test structure. Background technique [0002] At present, the key parameters of the electrical performance of lithium batteries, such as large internal resistance, excessive charging and discharging and other abnormal phenomena, are all related to the welding effect. In the production process of the battery, after the battery cell and the electrode plate are welded, if the correct test and inspection are not carried out, whether the welded battery cell is qualified or not will affect the electrical performance of the later battery. Moreover, without welding quality inspection, it is difficult to meet the requirements of product qualification rate. Summary of the invention [0003] In view of this, the object of the present invention includes providing a tensile test structure, in which the test piece is installed on a fixed fixture and connected with a mobile c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/08
CPCG01N3/08G01N2203/0003G01N2203/0017G01N2203/0044
Inventor 刘金良高峰张要枫魏薇
Owner HEBEI YINLONG NEW ENERGY
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