JP2016145750A - 水道用の使用検出センサ - Google Patents
水道用の使用検出センサ Download PDFInfo
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- JP2016145750A JP2016145750A JP2015022781A JP2015022781A JP2016145750A JP 2016145750 A JP2016145750 A JP 2016145750A JP 2015022781 A JP2015022781 A JP 2015022781A JP 2015022781 A JP2015022781 A JP 2015022781A JP 2016145750 A JP2016145750 A JP 2016145750A
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- microphone
- frequency analysis
- microcomputer
- detection sensor
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 238000001514 detection method Methods 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 9
- 230000007613 environmental effect Effects 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
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- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Emergency Alarm Devices (AREA)
- Measuring Volume Flow (AREA)
Abstract
Description
So …無線信号
S1 、S2 …出力信号
D…ディジタルデータ
11…マイクロホン
13…マイクロコンピュータ
15…副マイクロホン
20、20a…周波数分析部
21…バンドパスフィルタ
22…AD変換器
25…ローパスフィルタ
26…AD変換器
27…タイムバッファ
28…FFT演算部
41…ケーシング
42…保護ケース
42a、42b…緩衝材
特許出願人 株式会社 リニア・サーキット
Claims (6)
- 水道管からの音を検出するマイクロホンと、該マイクロホンの出力信号の周波数特性をディジタルデータとして出力する周波数分析部と、マイクロコンピュータとを備えてなり、前記マイクロコンピュータは、前記周波数分析部からのディジタルデータに基づいて水道の使用を判別し、無線信号により外部に発信することを特徴とする水道用の使用検出センサ。
- 前記周波数分析部は、前記マイクロホンの出力信号を周波数帯域ごとの成分に分離する複数のバンドパスフィルタと、該バンドパスフィルタのそれぞれに接続するAD変換器とを備えることを特徴とする請求項1記載の水道用の使用検出センサ。
- 前記周波数分析部は、アンチエイリアシング用のローパスフィルタ、AD変換器、時間窓処理用のタイムバッファ、FFT演算部を縦続することを特徴とする請求項1記載の水道用の使用検出センサ。
- 環境音を検出する副マイクロホンを設け、前記マイクロホンの出力信号から前記副マイクロホンの出力信号を減算して前記周波数分析部に入力することを特徴とする請求項1ないし請求項3のいずれか記載の水道用の使用検出センサ。
- 環境音を検出する副マイクロホンを設け、該副マイクロホンの出力信号は、前記周波数分析部と同等の周波数分析部からのディジタルデータとして前記マイクロコンピュータに入力することを特徴とする請求項1ないし請求項3のいずれか記載の水道用の使用検出センサ。
- 前記マイクロホンは、緩衝材を介して水道管に密着させる保護ケースに収納し、該保護ケースは、水道管に固定するケーシングの底部に緩衝材を介して保持することを特徴とする請求項1ないし請求項5のいずれか記載の水道用の使用検出センサ。
Priority Applications (1)
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JP2015022781A JP6457289B2 (ja) | 2015-02-09 | 2015-02-09 | 水道用の使用検出センサ |
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JP2015022781A JP6457289B2 (ja) | 2015-02-09 | 2015-02-09 | 水道用の使用検出センサ |
Publications (2)
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JP2016145750A true JP2016145750A (ja) | 2016-08-12 |
JP6457289B2 JP6457289B2 (ja) | 2019-01-23 |
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JP2015022781A Active JP6457289B2 (ja) | 2015-02-09 | 2015-02-09 | 水道用の使用検出センサ |
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JP (1) | JP6457289B2 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2584633A (en) * | 2019-05-31 | 2020-12-16 | Invenio Systems Ltd | Flow monitoring apparatus |
CN112284515A (zh) * | 2016-10-13 | 2021-01-29 | 东南水务公司 | 水量计和系统 |
SE2051423A1 (en) * | 2020-12-07 | 2022-06-08 | Cleanguard Ab | A method, a computer program and a system for monitoring utilization of individual water appliances of a common water distribution system |
WO2023167622A1 (en) * | 2022-03-04 | 2023-09-07 | Cleanguard Ab | A method, a computer program and a system for monitoring utilization of water appliances of a common water distribution system |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6046053U (ja) * | 1983-09-07 | 1985-04-01 | 株式会社 フジ漏水調査センタ− | 消火栓装着用音圧・水圧測定器 |
JPH0311740Y2 (ja) * | 1989-06-15 | 1991-03-20 | ||
JPH0936940A (ja) * | 1995-07-14 | 1997-02-07 | Hitachi Ltd | 音声入力装置 |
JPH11271168A (ja) * | 1998-03-25 | 1999-10-05 | Mitsui Eng & Shipbuild Co Ltd | 漏洩検知方法 |
JP4390625B2 (ja) * | 2004-05-20 | 2009-12-24 | 株式会社鷺宮製作所 | 漏水監視装置 |
JP2011040006A (ja) * | 2009-08-18 | 2011-02-24 | Mega Chips Corp | 管理システム及び検知装置 |
-
2015
- 2015-02-09 JP JP2015022781A patent/JP6457289B2/ja active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6046053U (ja) * | 1983-09-07 | 1985-04-01 | 株式会社 フジ漏水調査センタ− | 消火栓装着用音圧・水圧測定器 |
JPH023145Y2 (ja) * | 1983-09-07 | 1990-01-25 | ||
JPH0311740Y2 (ja) * | 1989-06-15 | 1991-03-20 | ||
JPH0936940A (ja) * | 1995-07-14 | 1997-02-07 | Hitachi Ltd | 音声入力装置 |
JPH11271168A (ja) * | 1998-03-25 | 1999-10-05 | Mitsui Eng & Shipbuild Co Ltd | 漏洩検知方法 |
JP4390625B2 (ja) * | 2004-05-20 | 2009-12-24 | 株式会社鷺宮製作所 | 漏水監視装置 |
JP2011040006A (ja) * | 2009-08-18 | 2011-02-24 | Mega Chips Corp | 管理システム及び検知装置 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112284515A (zh) * | 2016-10-13 | 2021-01-29 | 东南水务公司 | 水量计和系统 |
CN112284515B (zh) * | 2016-10-13 | 2023-02-21 | 东南水务公司 | 水量计和系统 |
GB2584633A (en) * | 2019-05-31 | 2020-12-16 | Invenio Systems Ltd | Flow monitoring apparatus |
GB2584633B (en) * | 2019-05-31 | 2023-11-15 | Invenio Systems Ltd | Flow monitoring apparatus |
SE2051423A1 (en) * | 2020-12-07 | 2022-06-08 | Cleanguard Ab | A method, a computer program and a system for monitoring utilization of individual water appliances of a common water distribution system |
SE544526C2 (en) * | 2020-12-07 | 2022-07-05 | Cleanguard Ab | A method, a computer program and a system for monitoring utilization of individual water appliances of a common water distribution system |
WO2023167622A1 (en) * | 2022-03-04 | 2023-09-07 | Cleanguard Ab | A method, a computer program and a system for monitoring utilization of water appliances of a common water distribution system |
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