HUMIDITY MEASURING DEVICE - HITACHI AUTOMOTIVE SYSTEMS LTD

Title:

HUMIDITY MEASURING DEVICE

Document Type and Number:

WIPO Patent Application WO/2016/111253

Kind Code:

A1

Abstract:

The present invention obtains a humidity measuring device capable of performing self-diagnosis with high reliability. This humidity measuring device 20 has a diagnosis processing unit 25 for performing self-diagnosis by using gas temperatures and gas humidities before and after a gas in an ambient atmosphere to be measured is heat-controlled. The diagnosis processing unit has a diagnosis start determining unit 26 for determining whether the self-diagnosis can be started on the basis of an exchange state in the ambient atmosphere to be measured and the gas temperature and the gas humidity before the gas in the ambient atmosphere to be measured is heat-controlled, and a diagnosis continuation determining unit 28 for determining whether the self-diagnosis can be continued on the basis of the gas temperature and the gas humidity that are heat-controlled during the self-diagnosis.

Inventors:

ISOYA YUKI (JP)
HOSHIKA HIROAKI (JP)
YOGO TAKAYUKI (JP)
MIKI TAKAHIRO (JP)
YAMAMOTO TAKAHIRO (JP)

Application Number:

PCT/JP2016/050003

Publication Date:

July 14, 2016

Filing Date:

January 04, 2016

Export Citation:

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Assignee:

HITACHI AUTOMOTIVE SYSTEMS LTD (JP)

International Classes:

G01N25/64

Foreign References:

JP2013529776A	2013-07-22
JP2010237128A	2010-10-21
JPH08254579A	1996-10-01
JPH07174721A	1995-07-14
JPH07294469A	1995-11-10
JP2010008323A	2010-01-14
JP2008541118A	2008-11-20
JP2002156348A	2002-05-31

Other References: