JP2017530357A - プロセス環境における音響検出 - Google Patents
プロセス環境における音響検出 Download PDFInfo
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Abstract
Description
以下に記載された実施態様は、プロセス制御に関する。とりわけ、実施態様は、産業プラントにおける音響測定に関する。
産業プロセスアセットのための音響測定システムは、産業プロセスアセット近くに位置付けられた音響センサからの信号に部分的に基づいて産業プロセスアセット近くの音響信号を忠実に表す値を提供するプロセス測定装置を包含する。第二の音響センサは、音響値を提供し、雑音低減コンポーネントは、プロセス測定装置によって提供された値に影響を与えるために第二の音響センサからの音響値を使用して、プロセス測定装置によって提供された値が産業プロセスアセットによって生成された音響信号をより忠実に表すようにする。
図1のブロック図に示されるように、先行技術に従って、音響測定システム100は、無線音響トランスミッタ102、無線ゲートウェイ106、ネットワーク108、ネットワーク管理ツール110およびホスト112を包含した。
Claims (29)
- 産業プロセスアセットのための音響測定システムであって、:
産業プロセスアセット近くに位置付けられた音響センサからの信号に部分的に基づいて産業プロセスアセット近くの音響信号を忠実に表す値を提供するプロセス制御装置と;
音響値を提供する第二の音響センサと;
プロセス制御装置によって提供された値に影響を与えるために第二の音響センサからの音響値を使用して、プロセス制御装置によって提供された値が産業プロセスアセットによって生成された音響信号をより忠実に表すようにする雑音低減コンポーネントと
を含む音響測定システム。 - 雑音低減コンポーネントが第二の音響センサからの音響値に基づいて産業プロセスアセット近くに位置付けられた音響センサからの信号の大きさを低減する、請求項1記載の音響測定システム。
- 減衰した音響値を作成するために減衰係数を第二の音響センサからの音響値に適用すること、信号の大きさから減衰した音響値を減じることによって、雑音低減コンポーネントが産業プロセスアセット近くに位置付けられた音響センサからの信号の大きさを低減する、請求項2記載の音響測定システム。
- 減衰係数が第二の音響センサの位置から産業プロセスアセット近くに位置付けられた音響センサの位置への信号の減衰を示唆する、請求項3記載の音響測定システム。
- 産業プロセスアセットが音響エネルギーを生成しないとき、減衰係数が第二のセンサからの音響試験信号および産業プロセスアセット近くに位置付けられた音響センサからの音響試験信号を受信することによって決定される、請求項4記載の音響測定システム。
- 雑音低減コンポーネントが第二の音響センサによって感知された音響雑音の少なくとも一部分を消去する信号を生成する雑音防止トランスミッタを含む、請求項1記載の音響測定システム。
- 雑音防止トランスミッタが減衰係数および伝搬遅延値に基づいて音響雑音の少なくとも一部分を消去する信号を生成する、請求項6記載の音響測定システム。
- プロセス制御装置が音響トランスミッタを含む、請求項1記載の音響測定システム。
- 第二の音響センサおよび音響センサが音響トランスミッタと通信し、雑音低減コンポーネントが音響トランスミッタ内にある、請求項8記載の音響測定システム。
- 音響センサが第一の音響トランスミッタの一部であり、第二の音響センサが第二の音響トランスミッタの一部である、請求項1記載の音響測定システム。
- 第二の音響トランスミッタが第二の音響センサの音響値を第一の音響トランスミッタに直接提供し、雑音低減コンポーネントが第一の音響トランスミッタ内にある、請求項10記載の音響測定システム。
- プロセス制御装置が無線ゲートウェイを含み、雑音低減コンポーネントが無線ゲートウェイ内にある、請求項1記載の音響測定システム。
- プロセス制御装置がホストを含み、雑音低減コンポーネントがホスト内にある、請求項1記載の音響測定システム。
- プロセス制御装置がネットワーク管理ツールを含み、雑音低減コンポーネントがネットワーク管理ツール内にある、請求項1記載の音響測定システム。
- 方法であって、:
プロセス構造上の雑音レベルを測定する工程と;
プロセスアセット近くの音響レベルを測定する工程と;
調節した音響レベルを生むために、測定された音響レベルを測定された雑音レベルに基づいて修正する工程と
を含む方法。 - 測定された音響レベルを修正する工程が:減衰した雑音レベルを作成するために、測定された雑音レベルを減衰係数に基づいて低減する工程と;測定された音響レベルから減衰した雑音レベルを減じる工程とを含む、請求項15記載の方法。
- プロセスアセットによって生成された雑音を低減する工程と;プロセス管上の背景雑音レベルを測定する工程と;プロセスアセット近くの背景雑音レベルを測定する工程と;プロセスアセット近くの測定された背景雑音レベルをプロセス管上の測定された背景雑音レベルで割る工程とを含む工程を通じて減衰係数を決定する工程をさらに含む、請求項16記載の方法。
- 音響測定システムであって、:
プロセス管の近くに取り付けられるように構成された音響センサと;
プロセス管に嵌る形状の少なくとも一つの内側面;および音響抑制装置をプロセス管に固定するための少なくとも一つのコネクタを含む音響抑制装置と
を含む音響測定システム。 - 音響抑制装置が音響センサの取り付け場所と雑音源との間に位置する、請求項18記載の音響測定システム。
- 音響抑制装置が少なくとも二つの片持ちフランジをさらに含む、請求項18記載の音響測定システム。
- 少なくとも二つの片持ちフランジが片持ちフランジの配列を含み、配列内で、片持ちフランジ間の間隔が異なるようにする、請求項20記載の音響測定システム。
- 音響抑制装置が少なくとも二つの片持ちフランジ間に減衰材料をさらに含む、請求項20記載の音響測定システム。
- 少なくとも二つの片持ちフランジが片持ちフランジの配列を含み、配列内で、片持ちフランジの長さが異なるようにする、請求項20記載の音響測定システム。
- 少なくとも二つの片持ちフランジが片持ちフランジの配列を含み、配列内で、片持ちフランジ間の間隔が異なるようにする、請求項23記載の音響測定システム。
- 音響抑制装置がモジュラースペーサを散りばめられたモジュラーフランジをさらに含む、請求項18記載の音響測定システム。
- モジュラースペーサが部分円柱を含む、請求項25記載の音響測定システム。
- モジュラースペーサに起因してモジュラーフランジ間の距離が異なる、請求項25記載の音響測定システム。
- モジュラー雑音抑制キットであって、:
第一のフィンと;
第二のフィンと;
異なる長さのスペーサが異なる雑音周波数と関連する、複数の異なる長さのスペーサと;
第一のフィンと第二のフィンとの間の複数のスペーサの一つを結合するための少なくとも一つのコネクタと
を含むモジュラー雑音抑制キット。 - 第一のフィンと第二のフィンとの間に位置付け可能な緩和材料をさらに含む、請求項28記載のモジュラー雑音抑制キット。
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PCT/US2015/041087 WO2016048438A2 (en) | 2014-09-24 | 2015-07-20 | Acoustic detection in process environments |
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US10228351B2 (en) | 2019-03-12 |
CA2961736A1 (en) | 2016-03-31 |
CA2961736C (en) | 2021-09-28 |
EP3198267A2 (en) | 2017-08-02 |
CN204649305U (zh) | 2015-09-16 |
RU2655707C1 (ru) | 2018-05-29 |
CN106153182A (zh) | 2016-11-23 |
US20160084801A1 (en) | 2016-03-24 |
CN106153182B (zh) | 2021-06-08 |
WO2016048438A3 (en) | 2016-05-19 |
WO2016048438A2 (en) | 2016-03-31 |
JP6732738B2 (ja) | 2020-07-29 |
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