A temperature sensor

By combining a reinforced frame with a high thermal conductivity epoxy resin molded part, the structural design solves the problems of easy cracking and signal interruption of the sensor in the power battery, achieving high mechanical strength and flame retardant performance, and meeting the temperature detection requirements of new energy vehicles.

CN122408987APending Publication Date: 2026-07-17SHENZHEN KEMIN SENSOR CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHENZHEN KEMIN SENSOR CO LTD
Filing Date
2026-06-12
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing temperature sensors are prone to cracking during the charging and discharging of power batteries, and their solder joints are easily damaged. Furthermore, the protection level of the encapsulation layer is insufficient, leading to signal interruption and misleading BMS judgments, which cannot meet the stringent temperature detection requirements of new energy vehicles.

Method used

By combining a reinforced frame with a high thermal conductivity epoxy resin molded part, the mechanical strength and flame retardant properties of the sensor are enhanced through optimized structural design and material selection. The components are also coated with UV adhesive to form a stable heat conduction/dissipation path and protective barrier.

Benefits of technology

The sensor's structural stability and temperature measurement accuracy have been improved, and its stress resistance and flame retardant properties have been enhanced, ensuring stable signal transmission in complex environments and meeting the temperature detection requirements of new energy vehicles.

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Abstract

本发明公开了一种温度传感器,该温度传感器包括集成测温模组、铁氟龙线、加强框和固塑件。集成测温模组包含PCB板以及其上表面的热敏电阻,PCB板紧密嵌合于加强框底部;铁氟龙线一端焊接在PCB板上表面并从加强框的前侧面引出。加强框采用尼龙阻燃材料制成,其内部空间横截面呈上、下两端窄、中间宽,其前侧面设有引线扣合部以固定铁氟龙线。固塑件采用高导热环氧树脂灌注加强框内部剩余空间固化成型,将除PCB板下表面外的集成测温模组完全绝缘固定。本申请通过优化结构设计,既提升了温度传感器的测温精准度、增强了其绝缘性能、机械强度与阻燃特性,又兼顾了响应速度,可广泛应用于工业制造、智能家居、汽车电子等对温度检测要求严苛的场景。
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