CN-122015969-A - Cable material performance integrated test system

Abstract

The invention discloses a cable material performance integrated test system, and belongs to the technical field of cable material testing. The invention comprises an integrated test cavity, a sample bearing and transferring module, a multi-source stress applying module, a deformation and quality monitoring module and a central control data processing unit, the multi-source stress applying module is arranged in the integrated test cavity and is used for applying stress to the sample to be tested. According to the invention, through the integrated test cavity, the sample bearing and transferring module, the multi-source stress applying module and the deformation and quality monitoring module which are arranged, and the cooperative control function of the central control data processing unit, the integrated structure integrates the thermal extension, thermal weightlessness and mechanical property test into the same closed test cavity, the multi-dimensional performance continuous test can be completed by only clamping the sample once, and the sample bearing and transferring module realizes the automatic switching of different test stations.

Inventors

• QIU ZITING
• QIN YONG
• ZHU YAN
• CHEN YIHUI
• Luo Dingmei
• YANG DONG
• ZHU LIJUAN
• WANG YONGQI

Assignees

• 中科启源欣达数字技术(广东)有限公司

Dates

Publication Date

20260512

Application Date

20260210

Claims (9)

1. 1. The integrated test system of cable material performance, characterized by comprising: the integrated test cavity is internally provided with a controllable high-temperature test environment; The sample bearing and transferring module is arranged in the integrated test cavity, and is used for clamping and moving a sample to be tested; The multi-source stress applying module is arranged in the integrated test cavity and is used for applying stress to the sample to be tested; The deformation and quality monitoring module monitors the deformation and quality variation of the sample to be tested in the testing process.
2. 2. The integrated cable material property testing system of claim 1, further comprising a central control data processing unit electrically connected to the sample load transfer module, the multi-source stress application module, and the deformation and quality monitoring module.
3. 3. The integrated testing system of cable material properties according to claim 2, wherein the sample loading transfer module comprises a loading platform and a sample clamp, the sample clamp is arranged on the loading platform, the loading platform is controlled by a central control and data processing unit, and the sample to be tested is transferred between a thermal weightlessness testing station and a mechanical property testing station.
4. 4. The integrated cable material property testing system of claim 3, wherein the multi-source stress application module comprises a constant load application mechanism having an electromagnetic loading device, a counterweight, or a precision pneumatic loading device, and a variable tension application mechanism having a drive motor, a transmission mechanism, and a tension sensor.
5. 5. The integrated cable material property testing system of claim 4, wherein the variable tension applying mechanism is cooperatively configured with the sample load transfer module.
6. 6. The integrated testing system of claim 1, wherein the deformation and mass monitoring module comprises a deformation measurement unit that optically measures deformation of the sample during the thermal extension test, and a built-in microbalance positioned below the thermal weightlessness test station that measures mass changes.
7. 7. The integrated cable material property testing system of claim 6, wherein the deformation and mass monitoring module further comprises a displacement and tension sensing unit integrated in the variable tension applying mechanism, the displacement and tension sensing unit synchronously acquiring tension and displacement signals.
8. 8. The integrated cable material property testing system of claim 5, wherein the deformation measurement unit is a high-speed CCD camera and image processing system.
9. 9. The integrated test system of cable material properties of claim 1, wherein the integrated test cavity is a closed cavity, and wherein a uniform heating device and a temperature feedback control system are provided within the integrated test cavity.

Description

Cable material performance integrated test system Technical Field The invention relates to the technical field of cable material testing, in particular to a cable material performance integrated testing system. Background The performance of the insulating layer and the sheath layer of the cable material directly determines the operation safety, stability and service life of the power transmission system, wherein the mechanical properties such as thermal elongation performance, thermal weight loss performance, tensile strength, elongation at break and the like are core assessment indexes, and the cable material is widely applied to the scenes such as research and development of the cable material, production quality inspection, aging evaluation and the like. At present, a distributed test scheme is generally adopted for testing the performances in the industry, namely single performance detection is respectively finished through a plurality of independent devices, wherein the thermal extension performance depends on a special high-temperature tensile test box, the thermal weightlessness performance passes through an independent high-temperature microbalance test, and the mechanical performance is finished by a universal material tester. The distributed test mode has the advantages that certain technical defects are to be perfected, the operation flow is complicated, the efficiency is low, the test sample is required to be clamped and transferred for many times, the test environment is required to be repeatedly positioned and adjusted when different devices are switched, time and labor are consumed, the requirements of batch detection and rapid research and development cannot be met, human errors are easily introduced due to the fact that the test sample is damaged and positioned in a deviation mode through many times of clamping, the consistency of the test environment is poor, the stability of high-temperature control precision and stress application of different devices is different, the temperature and stress state are suddenly changed in the test sample transferring process, the thermal extension, the thermal weightlessness and the mechanical property test data cannot be analyzed based on the same reference association, and the accuracy and the comparability of the test result are affected. Disclosure of Invention The invention aims to provide a cable material performance integrated test system, which solves the problems of complex operation and low test efficiency caused by adopting independent equipment and repeatedly transferring and clamping samples in each performance test of a cable material through an integrated test structure integrating an integrated test cavity, a sample bearing and transferring module, a multi-source stress applying module and a deformation and quality monitoring module. The invention is realized by the following technical scheme: the invention relates to an integrated testing system for cable material performance, which comprises: The integrated test cavity is internally provided with a controllable high-temperature test environment, the sample bearing and transferring module is arranged in the integrated test cavity, the sample bearing and transferring module clamps and moves the sample to be tested, the multi-source stress applying module is arranged in the integrated test cavity, the multi-source stress applying module applies stress to the sample to be tested, the deformation and quality monitoring module monitors the deformation and quality variation of the sample to be tested in the test process. Further, the central control data processing unit is electrically connected with the sample bearing and transferring module, the multi-source stress applying module and the deformation and quality monitoring module. Further, the sample bearing and transferring module comprises a bearing platform and a sample clamp, the sample clamp is arranged on the bearing platform, and the bearing platform is controlled by the central control and data processing unit to transfer the sample to be tested between the thermal weightlessness testing station and the mechanical property testing station. Further, the multi-source stress applying module comprises a constant load applying mechanism and a variable tension applying mechanism, wherein the constant load applying mechanism is provided with an electromagnetic loading device, a balancing weight or a precise pneumatic loading device, and the variable tension applying mechanism is provided with a driving motor, a transmission mechanism and a tension sensor. Further, a variable tension applying mechanism is cooperatively disposed with the sample load transfer module. Further, the deformation and mass monitoring module comprises a deformation measuring unit and a built-in microbalance, wherein the deformation measuring unit optically measures the deformation of the sample in the thermal extension test, the built-in microbalance is positioned bel