Fluoroplastic encapsulated temperature sensor and temperature sensing device

CN224327817UActive Publication Date: 2026-06-05XIAOGAN HUAGONG GAOLI ELECTRONICS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
XIAOGAN HUAGONG GAOLI ELECTRONICS CO LTD
Filing Date
2025-05-30
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

Existing temperature sensors lack sufficient sealing and waterproofing performance, as well as oil and corrosion resistance, in the field of new energy vehicles, affecting their safety and reliability.

Method used

The encapsulation housing, which adopts a double-layer fluoroplastic tubing structure, includes a heat-shrinkable outer tubing and a heat-melt sealing layer, wrapping the temperature sensing element and wire connection nodes. It utilizes the oil and corrosion resistance and high dielectric properties of fluoroplastics to improve sealing and insulation.

Benefits of technology

This significantly improves the temperature sensor's sealing and waterproof capabilities, oil and corrosion resistance, and pressure resistance and insulation, ensuring the sensor's reliability and detection accuracy.

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    Figure CN224327817U_ABST
Patent Text Reader

Abstract

The utility model relates to a kind of fluoroplastic packaging temperature sensors, including packaging shell and the temperature sensing element packaged in the packaging shell, packaging shell is structured as double-layer fluoroplastic pipe structure, including heat shrinkable outer sleeve tube and the hot melt sealing layer in heat shrinkable outer sleeve tube, temperature sensing element is wrapped in hot melt sealing layer.In addition, it is also related to a kind of temperature sensing device, including the fluoroplastic packaging temperature sensor described above and the installation component for installing temperature sensor to the component to be measured on.In the utility model, the packaging shell of double-layer fluoroplastic pipe structure is used, the hot melt sealing layer in inner layer can reliably wrap temperature sensing element, and the sealing waterproof capacity of temperature sensor is greatly improved;Packaging shell uses double-wall fluoroplastic pipe, and the oil corrosion resistance and temperature resistance of temperature sensor can be improved;Based on the characteristics that fluoroplastic has high dielectric constant, the voltage insulation capacity of temperature sensor can be improved.
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