HUMIDITY DETECTION UNIT

PROBLEM TO BE SOLVED: To provide a humidity detection unit that has a humidity sensor installable in a situation in which foreign substances are not easily attached.SOLUTION: A humidity sensor 5 is equipped to a first surface 2a of a substrate 2. On the first surface 2a, a case 10 is provided to cov...

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Bibliographische Detailangaben
Hauptverfasser:	GOCHO HIDENORI, TONDOKORO ATSUSHI, TANAKA KENICHI, YANAGI SHUJI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a humidity detection unit that has a humidity sensor installable in a situation in which foreign substances are not easily attached.SOLUTION: A humidity sensor 5 is equipped to a first surface 2a of a substrate 2. On the first surface 2a, a case 10 is provided to cover the humidity sensor 5 and a leg part 11 extending downward from a side plate of the case 10 is interposed in the inside of a through-hole 3 penetrating the substrate 2. Between the through-hole 3 and the leg part 11, a ventilation path 4 is formed leading to the inside of the case 10. Further, the spaces between the side plates of the case 10 and the first surface 2a of the substrate 2 are sealed with a resin material 13.SELECTED DRAWING: Figure 3 【課題】湿度センサを異物が付着しにくい状態で実装できるようにした湿度検知ユニットを提供する。【解決手段】基板２の第１の表面２ａに湿度センサ５が実装されている。第１の表面２ａには、湿度センサ５を覆うケース１０が設けられ、ケース１０の側板部から下方に延びる脚部１１が、基板２の貫通する貫通穴３の内部に挿入されており、貫通穴３と脚部１１との間にケース１０の内部に通じる通気路４が形成されている。また、ケース１０の各側板部と基板２の第１の表面２ａとの隙間は樹脂材料１３で封止されている。【選択図】図３