JP5197545B2 - 警報器 - Google Patents
警報器 Download PDFInfo
- Publication number
- JP5197545B2 JP5197545B2 JP2009237654A JP2009237654A JP5197545B2 JP 5197545 B2 JP5197545 B2 JP 5197545B2 JP 2009237654 A JP2009237654 A JP 2009237654A JP 2009237654 A JP2009237654 A JP 2009237654A JP 5197545 B2 JP5197545 B2 JP 5197545B2
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- Japan
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- time
- temperature
- freezing
- freezing point
- electrochemical sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007710 freezing Methods 0.000 claims description 102
- 230000008014 freezing Effects 0.000 claims description 101
- 238000010257 thawing Methods 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 238000001514 detection method Methods 0.000 claims description 13
- 239000012528 membrane Substances 0.000 claims description 9
- 239000007784 solid electrolyte Substances 0.000 claims description 9
- 238000009825 accumulation Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000035945 sensitivity Effects 0.000 description 7
- 230000003111 delayed effect Effects 0.000 description 6
- 239000004020 conductor Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000012153 distilled water Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 230000005068 transpiration Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- -1 hydrogen ions Chemical class 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
Images
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- Measuring Oxygen Concentration In Cells (AREA)
Description
40℃区分の解凍重み係数a1=−0.50
30℃区分の解凍重み係数a2=−0.40
20℃区分の解凍重み係数a3=−0.25
10℃区分の解凍重み係数a4=−0.25
0℃区分の解凍重み係数a5=−0.15
−10℃区分の凍結重み係数a6=0.75
−20℃区分の凍結重み係数a7=0.76
−30℃区分の凍結重み係数a8=1.0
11 COセンサ(電気化学式センサ)
12 サーミスタ(温度検出手段)
A 蒸留水
Claims (2)
- 固体電解質膜のイオン導電性を維持するために水を使用する電気化学式センサを備えた警報器において、
前記電気化学式センサの周囲温度を検出する温度検出手段と、
前記温度検出手段で検出された前記周囲温度が氷点以下となっている氷点以下時間を累積するとともに、前記温度検出手段で検出された前記周囲温度が氷点超えとなっている氷点超え時間を累積する時間累積手段と、
前記時間累積手段で累積された氷点以下時間と氷点超え時間とに基づいて前記電気化学式センサの凍結を予測して該電気化学式センサが劣化する前に使用温度が適正でない旨を報知する制御手段と、
を備えたことを特徴とする警報器。 - 固体電解質膜のイオン導電性を維持するために水を使用する電気化学式センサを備えた警報器において、
前記電気化学式センサの周囲温度を検出する温度検出手段と、
氷点以下の複数の温度区分における凍結速さに対応する凍結重み係数と、氷点超えの複数の温度区分における解凍速さに対応する解凍重み係数と、前記電気化学式センサが劣化しない時間に相当する予め設定された設定時間閾値とを記憶した記憶手段と、
前記温度検出手段で検出された前記周囲温度が氷点以下となっている温度区分毎の氷点以下時間を累積するとともに、前記温度検出手段で検出された前記周囲温度が氷点超えとなっている温度区分毎の氷点超え時間を累積する時間累積手段と、
氷点以下の各温度区分にわたる氷点以下時間に凍結重み係数を乗算した乗算値の総和である凍結時間総和と、氷点超えの各温度区分にわたる氷点超え時間に解凍重み係数を乗算した乗算値の総和である解凍時間総和との差が、前記設定時間閾値に達したと判定されたときに、使用温度が適正でない旨を報知する制御手段と、
を備えたことを特徴とする警報器。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009237654A JP5197545B2 (ja) | 2009-10-14 | 2009-10-14 | 警報器 |
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JP2009237654A JP5197545B2 (ja) | 2009-10-14 | 2009-10-14 | 警報器 |
Publications (2)
Publication Number | Publication Date |
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JP2011085456A JP2011085456A (ja) | 2011-04-28 |
JP5197545B2 true JP5197545B2 (ja) | 2013-05-15 |
Family
ID=44078509
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2009237654A Active JP5197545B2 (ja) | 2009-10-14 | 2009-10-14 | 警報器 |
Country Status (1)
Country | Link |
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JP (1) | JP5197545B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102288658A (zh) * | 2011-08-18 | 2011-12-21 | 天津市汉漠尔电子科技有限公司 | 一种便携式电化学检测分析装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08233770A (ja) * | 1995-02-23 | 1996-09-13 | Matsushita Electric Works Ltd | 電気化学式ガスセンサ |
JP2005345269A (ja) * | 2004-06-03 | 2005-12-15 | Oval Corp | 部品交換時期通知機能を有する計測装置 |
JP4824965B2 (ja) * | 2005-07-27 | 2011-11-30 | 本田技研工業株式会社 | 燃料電池システム |
JP2007240483A (ja) * | 2006-03-13 | 2007-09-20 | Yazaki Corp | 電気化学センサの寿命判定方法および電気化学センサの寿命判定装置並びにco警報器 |
JP5059394B2 (ja) * | 2006-12-14 | 2012-10-24 | 矢崎総業株式会社 | ガス警報器 |
JP2008309712A (ja) * | 2007-06-15 | 2008-12-25 | Yazaki Corp | 警報器 |
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2009
- 2009-10-14 JP JP2009237654A patent/JP5197545B2/ja active Active
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JP2011085456A (ja) | 2011-04-28 |
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