ヒータユニット及びその応用品

JP7891887B2Active Publication Date: 2026-07-17KURABE IND CO LTD
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
KURABE IND CO LTD
Filing Date
2022-09-27
Publication Date
2026-07-17

AI Technical Summary

Benefits of technology

【0008】 本発明によれば、ヒータ素子としてPTC発熱素子を使用することで、温度の過昇防止を図ることが可能である。また、リード線が、基材と第一電極端子に挟持されることで、リード線に引き剥がし方向の力が加わることを抑制できるため、リード線の接続が外れてしまうことを防止できる。

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Abstract

To provide a heater unit and a vehicle windshield device which have a function of preventing excessive temperature rise, which makes the temperature uniform, and in which a heating element or the like is properly fixed. [Solution] A heater unit having a substrate (15), a ceramic PTC heating element (11), a first electrode terminal (13a), a second electrode terminal (13b), a first lead wire (19a), and a second lead wire (19b), wherein the substrate (15) has a recess (15c) formed therein that fits the shape of the PTC heating element (11), the PTC heating element (11) and the second electrode terminal (13b) are arranged within the recess (15c), the first electrode terminal (13a) covers the surface of the substrate (15) where the recess (15c) is formed, the substrate (15) has a peripheral wall (15w) formed therein that surrounds the recess (15c), and a lead wire insertion portion (15r) is formed by cutting out a portion of the peripheral wall (15w), and the first lead wire (19a) is clamped and held between the first electrode terminal (13a) and the lead wire insertion portion (15r).
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