Contact engagement force detection device and platform

Abstract

The invention provides a contact engagement force detection device and a platform. A contact engagement force detection device includes a resistance strain sensor and a display panel. The shape of the outer surface of the resistance strain sensor matches the shape of the inner wall of the plum-blossom contact, and it is deformed when it is subjected to an external force applied by the plum-blossom contact, and the magnitude of the external force is calculated according to the deformation. The display panel is electrically connected with the resistance strain sensor for displaying the calculated pressure. In the present invention, since the shape of the outer surface of the resistance strain sensor matches the shape of the inner wall of the plum-blossom contact, and the magnitude of the external force can be calculated according to the deformation, when it is necessary to detect the engagement force of the plum-blossom contact, only the resistance strain sensor needs to be When connected with the plum-blossom contact, the actual engagement force of the plum-blossom contact can be displayed on the display panel, realizing accurate, convenient and intuitive measurement of the engagement force between the dynamic and static contacts.

Description

technical field [0001] The invention relates to the technical field of measuring instruments, in particular to a contact engagement force detection device and platform. Background technique [0002] Armored removable AC metal-enclosed switchgear (hereinafter referred to as KYN cabinet), the main circuit switch is designed as a removable trolley type, which can greatly shorten the fault recovery time, improve the reliability of power supply, and provide convenience for circuit breaker maintenance. Therefore, it is widely used in medium voltage power grids. In the KYN cabinet, the static contact and the moving contact of the movable trolley are used to form a movable connection design. This movable connection design requires that the movable and static contacts have sufficient engagement pressure to reduce the contact resistance of the connection and thus reduce the operating time. At the same time, it also overcomes the electromotive force generated under various working con...

AI Technical Summary

Problems solved by technology

However, at present, there is no way to directly and accurately measure the contact pressure of the switch trolley. We can only observe the appearance of the bundled spring with the naked eye, and it is impossible to accurately judge whether the performance of the switch trolley contact meets the design requirements and whether it can be continuously put into operation.

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