Protection device for placing plurality of standard platinum resistance thermometers

By designing a transparent quartz placement tube and positioning clamping mechanism, the problems of damage and low lead wire management efficiency in the calibration process of standard platinum resistance thermometers were solved, achieving both safety protection and efficient operation.

CN224202578UActive Publication Date: 2026-05-05BAOTOU INSPECTION & TESTING CENT
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Patent Information

Application Number
CN202521205218.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-13
Publication Date
2026-05-05
Estimated Expiration
2035-06-13

AI Technical Summary

Technical Problem

The lack of dedicated protective tools for bearing and placing standard platinum resistance thermometers during calibration makes them prone to damage, leads to inefficient lead management, and poses safety risks.

Method used

A protective device was designed, comprising a base, a support column, a placement tray, and a placement tube. The placement tube is made of transparent quartz material with an open bottom and is limited by a rubber limiting block and a positioning clamping mechanism. The placement tray is equipped with a wire groove to manage the lead wire, and the rotation of the placement tray is controlled by the limiting mechanism.

Benefits of technology

It achieves safety protection for standard platinum resistance thermometers, simplifies the operation process, improves equipment utilization and operational efficiency, and avoids mechanical damage and liquid residue.

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Abstract

The utility model discloses a protection device for placing a plurality of standard platinum resistance thermometers. The protection device comprises a base; a supporting column is vertically fixed to the base, the top end of the supporting column is connected with a rotary containing disc through a bearing, and a plurality of containing pipes are evenly distributed on the disc face of the containing disc in the circumferential direction in a penetrating and clamping mode. The top of each placing pipe is connected with a positioning and clamping mechanism, the supporting column is connected with a limiting mechanism, and wire containing grooves corresponding to the placing pipes one to one are vertically fixed to the outer edge of the placing disc. The utility model has the advantages that when the resistance thermometer is placed, the temperature measuring part of the resistance thermometer penetrates through the inner hole of the limiting plate and is placed in the placing pipe, the bottom end of the handle part of the resistance thermometer is propped against the top surface of the limiting plate, and the handle part of the resistance thermometer is clamped by the clamp, so that the structure is simple, and the temperature measuring effect is good during operation. The resistance thermometer is effectively protected through the containing pipe, the resistance thermometer is effectively limited through the positioning and clamping mechanism, and damage is avoided.
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