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JP5822738B2 - Diagnostic system - Google Patents
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JP5822738B2 - Diagnostic system - Google Patents

Diagnostic system Download PDF

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JP5822738B2
JP5822738B2 JP2012012076A JP2012012076A JP5822738B2 JP 5822738 B2 JP5822738 B2 JP 5822738B2 JP 2012012076 A JP2012012076 A JP 2012012076A JP 2012012076 A JP2012012076 A JP 2012012076A JP 5822738 B2 JP5822738 B2 JP 5822738B2
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diagnostic
unit
identifier
trap
diagnostic object
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JP2013152102A (en
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康祐 渋谷
康祐 渋谷
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TLV Co Ltd
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  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Details Of Valves (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Description

本発明は、各種配管に取り付けられる減圧弁や安全弁や自動調節弁や逆止弁などのバルブ類若しくはスチームトラップやガストラップ等のトラップ類、又は、各種プラント設備類の保守・点検のための診断システムに関する。各種プラント設備類や工場における生産現場においては、各種回転機械や駆動機械等のプラント設備やバルブ類が数多く取り付けられており、これらの設備やバルブは、最少の消費エネルギーで最大の生産量を得ると共に最高の生産品質を維持するために、その重要度に応じて絶えず若しくは定期的にその状態が温度や圧力や振動や音響やコンダクタンスや濃度やpH等の物理量の1つまたは複数を測定することによりチェックされている。 The present invention provides a diagnosis for maintenance / inspection of valves such as pressure reducing valves, safety valves, automatic control valves and check valves attached to various pipes, traps such as steam traps and gas traps, or various plant facilities. About the system. A lot of plant equipment and valves such as various rotary machines and drive machines are installed at various plant equipment and factory production sites, and these equipment and valves obtain the maximum production amount with the least energy consumption. And in order to maintain the best production quality, constantly or periodically measure one or more physical quantities such as temperature, pressure, vibration, sound, conductance, concentration, pH, etc. depending on its importance Checked by

従来の診断システムとしては、例えば、特許文献1に示されたものがある。ここに開示の診断システムは、診断対象物の管理番号と形式名が記憶されており診断対象物自体またはその近傍に設けられた識別子と、識別子に記憶されている診断対象物の管理番号と形式名を取り込む取込部、診断対象物の物理量を測定する測定部、診断対象物の形式名毎の診断基準が記憶されており取込部で取り込んだ診断対象物の形式名から診断対象物の診断基準を選択しこの選択した診断対象物の診断基準と測定部で測定した診断対象物の物理量に基づいて診断対象物の状態を診断する診断部、を備えた診断装置と、を具備するものである。 As a conventional diagnostic system, for example, there is one disclosed in Patent Document 1. The diagnostic system disclosed herein stores the management number and type name of the diagnostic object, the identifier provided in or near the diagnostic object itself, and the management number and format of the diagnostic object stored in the identifier The acquisition part that captures the name, the measurement part that measures the physical quantity of the diagnostic object, and the diagnostic criteria for each type name of the diagnostic object are stored, and the diagnostic object is determined from the type name of the diagnostic object imported by the acquisition part. A diagnostic apparatus comprising: a diagnostic unit that selects a diagnostic criterion and diagnoses the state of the diagnostic target based on the diagnostic criterion of the selected diagnostic target and the physical quantity of the diagnostic target measured by the measuring unit; It is.

特開2001−167960号公報JP 2001-167960 A

上記従来の診断システムでは、管理番号と形式名を取り込もうとする識別子の近傍に別の識別子が設置されていると、別の識別子の管理番号と形式名も取り込んでしまうために取り込もうとする識別子の管理番号と形式名を正確に取り込めない問題点があった。 In the conventional diagnostic system described above, if another identifier is installed in the vicinity of the identifier for which the management number and the model name are to be imported, the management number and the model name for the other identifier are also captured. There was a problem that the control number and format name could not be imported correctly.

したがって本発明が解決しようとする課題は、取り込もうとする識別子の管理番号と形式名を正確に取り込むことができる診断システムを提供することである。 Therefore, the problem to be solved by the present invention is to provide a diagnostic system capable of accurately capturing the management number and model name of the identifier to be captured.

上記の課題を解決するために、本発明の診断システムは、診断対象物の管理番号と形式名が記憶されており診断対象物自体またはその近傍に設けられた識別子と、識別子に記憶されている診断対象物の管理番号と形式名を取り込む取込部、診断対象物の物理量を測定する測定部、診断対象物の形式名毎の診断基準が記憶されており取込部で取り込んだ診断対象物の形式名から診断対象物の診断基準を選択しこの選択した診断対象物の診断基準と測定部で測定した診断対象物の物理量に基づいて診断対象物の状態を診断する診断部、取込部の周囲を囲う遮蔽筒、を備えた診断装置と、を具備するものである。 In order to solve the above problems, the diagnosis system of the present invention stores the management number and the model name of the diagnostic object, and stores the identifier provided in or near the diagnostic object itself and the identifier. The acquisition unit that captures the control number and type name of the diagnostic object, the measurement unit that measures the physical quantity of the diagnostic object, and the diagnostic criteria for each type name of the diagnostic object are stored and the diagnostic object that is imported by the acquisition unit A diagnostic unit and a capture unit that diagnoses the state of the diagnostic target based on the diagnostic standard of the selected diagnostic target and the physical quantity of the diagnostic target measured by the measurement unit. And a diagnostic device provided with a shielding cylinder surrounding the periphery of the device.

本発明によれば、取込部の周囲を囲う遮蔽筒により、別の識別子の管理番号と形式名が取込部に達するのを防止することができるので、取り込もうとする識別子の管理番号と形式名を正確に取り込むことができるという優れた効果を生じる。 According to the present invention, it is possible to prevent the management number and the model name of another identifier from reaching the capturing unit by the shielding cylinder surrounding the capturing unit, so that the management number and the format of the identifier to be captured This produces an excellent effect that the name can be accurately captured.

本発明の実施の形態に係わるトラップ診断システムの概略構成を示す外観図である。1 is an external view showing a schematic configuration of a trap diagnosis system according to an embodiment of the present invention. 同実施の形態を構成する診断装置の概略構成を示すブロック図である。It is a block diagram which shows schematic structure of the diagnostic apparatus which comprises the embodiment.

以下、本発明の実施の形態について、例えばスチームトラップを診断するトラップ診断システムに応用する場合について、図1と図2を参照して説明する。本実施例のトラップ診断システムは、識別子1と診断装置2とからなる。識別子1は、トラップ3の管理番号と型式名を記憶させた電子タグで構成し、診断対象物であるトラップ3自体またはその近傍に直接または紐や針金等の任意の取付部材を介して取り付ける。本実施の形態の識別子1は、トラップ3の出口側配管4に針金5を介して取り付けている。識別子1は、トラップ3の管理番号と形式名を診断装置2の後述の取込部8に高周波信号にして無線送信する。 Hereinafter, embodiments of the present invention will be described with reference to FIGS. 1 and 2, for example, when applied to a trap diagnosis system for diagnosing a steam trap. The trap diagnosis system of this embodiment includes an identifier 1 and a diagnosis device 2. The identifier 1 is composed of an electronic tag that stores the management number and model name of the trap 3, and is attached to the trap 3 itself, which is an object to be diagnosed, or its vicinity directly or via an arbitrary attachment member such as a string or wire. The identifier 1 of the present embodiment is attached to the outlet side pipe 4 of the trap 3 via a wire 5. The identifier 1 wirelessly transmits the management number and the format name of the trap 3 as a high-frequency signal to a later-described capturing unit 8 of the diagnostic apparatus 2.

診断装置2は、概ね掌サイズで、その先端にトラップ3の振動を測定するための丸棒状の測定部6を有する。この測定部6の先端をトラップ3の筐体表面に押し当てることによって、トラップ3の振動を測定する。また、診断装置2は、後端にアンテナ部7を有する。アンテナ部7は、その先端に識別子1から送信された高周波信号を受信するための取込部8を有する。取込部8の周囲を囲ってステンレス鋼等の金属製の遮蔽筒9を診断装置2に取付ける。遮蔽筒9は徐々に直径の異なる複数個の筒9a,9b,9cを連結して伸縮可能に形成している。図1は遮蔽筒9の筒9a,9b,9cを伸ばした状態である。 The diagnostic device 2 is generally palm-sized and has a round bar-shaped measuring unit 6 for measuring the vibration of the trap 3 at its tip. The vibration of the trap 3 is measured by pressing the tip of the measuring unit 6 against the housing surface of the trap 3. Further, the diagnostic device 2 has an antenna unit 7 at the rear end. The antenna unit 7 has a capturing unit 8 for receiving a high-frequency signal transmitted from the identifier 1 at the tip thereof. A shielding cylinder 9 made of metal such as stainless steel is attached to the diagnostic device 2 so as to surround the intake portion 8. The shielding cylinder 9 is formed to be extendable by connecting a plurality of cylinders 9a, 9b, 9c having different diameters gradually. FIG. 1 shows a state in which the cylinders 9a, 9b, 9c of the shielding cylinder 9 are extended.

測定部6で測定して得た振動測定信号は、診断装置2内の増幅器11で増幅した後、A/D変換器12でディジタル化して診断部としてのCPU13に入力する。また、取込部8で取り込んだトラップ3の管理番号と型式名は、診断装置2内のCPU13に入力する。CPU13は、記憶している診断対象物の形式名毎の診断基準の中から入力された型式名の診断基準を選択し、この選択した診断対象物の診断基準と同じく入力された振動測定信号からトラップ3を診断する。CPU13で診断された診断結果は、トラップ3の管理番号と共に診断装置2内の記憶部14に記憶し、診断装置2の表面の上部に配置した表示部15に表示する。診断装置2の表面の下部には、電源スイッチキーや各種の指令や数値等を入力するための操作部16を配置する。 The vibration measurement signal obtained by the measurement by the measuring unit 6 is amplified by the amplifier 11 in the diagnostic device 2, digitized by the A / D converter 12, and input to the CPU 13 as the diagnostic unit. Further, the management number and model name of the trap 3 captured by the capturing unit 8 are input to the CPU 13 in the diagnostic apparatus 2. The CPU 13 selects the diagnostic name of the model name inputted from the diagnostic criteria for each type name of the stored diagnostic object, and from the vibration measurement signal inputted in the same manner as the diagnostic criteria of the selected diagnostic object. Diagnose trap 3. The diagnostic result diagnosed by the CPU 13 is stored in the storage unit 14 in the diagnostic device 2 together with the management number of the trap 3 and displayed on the display unit 15 arranged on the upper surface of the diagnostic device 2. An operation unit 16 for inputting a power switch key, various commands, numerical values, and the like is disposed below the surface of the diagnostic device 2.

トラップ3の診断基準は、形式だけでなく、トラップ3が使用される蒸気の圧力によっても異なる。従って、形式及び使用圧力毎に診断基準を設定することにより、トラップ3をより正確に診断することが可能となる。 The diagnostic criteria for the trap 3 vary depending not only on the type but also on the vapor pressure at which the trap 3 is used. Therefore, the trap 3 can be diagnosed more accurately by setting the diagnostic criteria for each type and operating pressure.

本発明は、各種配管に取り付けられる減圧弁や安全弁や自動調節弁や逆止弁などのバルブ類若しくはスチームトラップやガストラップ等のトラップ類、又は、各種プラント設備類の保守・点検のための診断システムに利用することができる。 The present invention provides a diagnosis for maintenance / inspection of valves such as pressure reducing valves, safety valves, automatic control valves and check valves attached to various pipes, traps such as steam traps and gas traps, or various plant facilities. Can be used for the system.

1 識別子
2 診断装置
3 トラップ
6 測定部
8 取込部
9 遮蔽筒
13 CPU(診断部)
DESCRIPTION OF SYMBOLS 1 Identifier 2 Diagnostic apparatus 3 Trap 6 Measuring part 8 Acquisition part 9 Shielding cylinder 13 CPU (diagnosis part)

Claims (1)

診断対象物の管理番号と形式名が記憶されており診断対象物自体またはその近傍に設けられた識別子と、識別子に記憶されている診断対象物の管理番号と形式名を取り込む取込部、診断対象物の物理量を測定する測定部、診断対象物の形式名毎の診断基準が記憶されており取込部で取り込んだ診断対象物の形式名から診断対象物の診断基準を選択しこの選択した診断対象物の診断基準と測定部で測定した診断対象物の物理量に基づいて診断対象物の状態を診断する診断部、取込部の周囲を囲って伸縮可能に形成された遮蔽筒、を備えた診断装置と、を具備する診断システム。 The management number and the model name of the diagnostic object are stored, the identifier provided in or near the diagnostic object itself, the importing unit for taking in the management number and the model name of the diagnostic object stored in the identifier, and diagnosis The measurement part that measures the physical quantity of the object and the diagnostic criteria for each type name of the diagnostic object are stored, and the diagnostic standard of the diagnostic object is selected from the type name of the diagnostic object imported by the importing unit. diagnostic unit state diagnosing the diagnostic object based on the physical quantity of the diagnostic object to be measured by diagnostic criteria and measurement unit of the diagnostic object, telescopically formed shielding cylinder around I circumference of the take-in portion, a And a diagnostic system comprising the diagnostic device.
JP2012012076A 2012-01-24 2012-01-24 Diagnostic system Active JP5822738B2 (en)

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JP6836454B2 (en) * 2017-05-08 2021-03-03 株式会社テイエルブイ Steam trap steam trap inspection device and steam leak inspection method
JP2022152078A (en) * 2021-03-29 2022-10-12 アズビル株式会社 Valve soundness diagnosis system and method

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