JP2007055714A - Remote monitoring diagnosis device for elevator - Google Patents

Remote monitoring diagnosis device for elevator Download PDF

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JP2007055714A
JP2007055714A JP2005241279A JP2005241279A JP2007055714A JP 2007055714 A JP2007055714 A JP 2007055714A JP 2005241279 A JP2005241279 A JP 2005241279A JP 2005241279 A JP2005241279 A JP 2005241279A JP 2007055714 A JP2007055714 A JP 2007055714A
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elevator
diagnosis
terminal
evaluation means
remote monitoring
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Yasuhiro Shibata
康弘 柴田
Takahiro Ito
孝博 伊藤
Yukihiro Koike
幸裕 小池
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Hitachi Building Systems Co Ltd
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Hitachi Building Systems Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To solve a problem that, since each evaluation means is disposed on a terminal side to read signs of abnormalities of each elevator and the connection is concentrated on a center device, a diagnosing process is generally executed by batch processing and required performance of the center device becomes higher in proportion to the number of the terminals to cause increase in cost, in a conventional remote monitoring diagnosis device for an elevator which is constituted of a diagnosis terminal reading a portent of a trouble of the elevator and a center device connected through a telephone line. <P>SOLUTION: A center side includes all of evaluation means of operating states of the elevators mounted to the terminals and threshold values for evaluation, an elevator is controlled by an evaluation means to facilitate setting or changing of the evaluation means for each elevator, and operating information can be subsequently processed at the timing collected by using communications lines to distribute and the processing and promote efficiency of the processing and thereby to lower the required performance of the center side. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

昇降機に取付けられた昇降機の稼動情報を得る端末から、通信回線を介して遠隔地のセンター装置において昇降機の異常診断を行う昇降機の遠隔監視診断装置に関する。   The present invention relates to a remote monitoring and diagnosing apparatus for an elevator that performs an abnormality diagnosis of the elevator in a remote center apparatus from a terminal that obtains operation information of the elevator attached to the elevator via a communication line.

昇降機の稼動情報を計測する診断端末と、通信回線を介して前記稼動情報と診断結果を収集し、診断端末が稼動情報を評価するための閾値を管理・設定する機能を有するセンター装置とからなる昇降機の遠隔監視診断装置では、診断端末において昇降機から得られた稼動情報とセンター装置から設定された評価閾値とを比較することにより、昇降機が異常に至る兆候を捉える。これをセンター装置で収集し、保全作業に反映することで故障を未然に防止するサービスの提供を行っている。   It consists of a diagnostic terminal that measures the operating information of the elevator, and a center device that collects the operating information and diagnostic results via a communication line and has a function of managing and setting a threshold value for the diagnostic terminal to evaluate the operating information In the elevator remote monitoring and diagnosis device, the operation information obtained from the elevator at the diagnostic terminal is compared with the evaluation threshold set by the center device, thereby capturing signs that the elevator is abnormal. The service is provided to prevent failures before they are collected by the central equipment and reflected in maintenance work.

従来は昇降機が異常に至る兆候をセンター装置から診断端末に対して設定された評価閾値と昇降機の稼動情報を基に診断端末で持つ評価手段によって捉えているが、端末に評価手段と評価閾値とを保持しているため、評価用閾値を格納するだけの記憶領域は端末に確保する必要があり、且つ評価方法の改良を行うためには診断端末のソフトウェアを変更しなければならないため、診断端末が多台数の場合はコスト面で不可能に近かった(特許文献1参照)。
特開2004−192326号公報
Conventionally, signs of abnormalities in elevators are captured by the evaluation means held in the diagnostic terminal based on the evaluation threshold set for the diagnostic terminal from the center device and the operation information of the elevator, but the terminal includes the evaluation means and the evaluation threshold. Therefore, it is necessary to secure a storage area for storing the evaluation threshold value in the terminal, and in order to improve the evaluation method, the diagnostic terminal software must be changed. In the case of a large number, the cost was almost impossible (see Patent Document 1).
JP 2004-192326 A

昇降機が異常に至る兆候を捉えるためにその稼動情報を採取する診断端末では、診断端末内部に昇降機が正常か否かを判定するための評価手段と、そこで用いる評価閾値とを保持する必要があり、このような構成の場合は評価手段の改良による変更が発生した場合には診断端末のソフトウェアを書き換える必要が有り、多台数の場合はコスト面において実現は困難である。   In a diagnostic terminal that collects operation information in order to detect signs that an elevator will become abnormal, it is necessary to maintain an evaluation means for determining whether the elevator is normal and an evaluation threshold value used in the diagnostic terminal. In the case of such a configuration, it is necessary to rewrite the software of the diagnostic terminal when a change due to the improvement of the evaluation means occurs, and in the case of a large number, it is difficult to realize in terms of cost.

また評価用閾値の種類等の変更にあたってもセンター装置との間の通信仕様の変更が必要になるため、診断端末のみならずセンター装置の改修費用がかかる。これらの解決手段として診断端末に実装している評価手段をセンター側で持つ構成とすることが容易に考えられるが、この場合も診断端末が多台数の場合はセンター装置に要求される処理性能が高くなり、実現に際してのコストは跳ね上がる。   In addition, since it is necessary to change the communication specification with the center apparatus when changing the type of the threshold for evaluation and the like, the repair cost for the center apparatus as well as the diagnostic terminal is required. As a means for solving these problems, it is easy to assume that the center has an evaluation means mounted on the diagnostic terminal. However, in this case as well, if there are a large number of diagnostic terminals, the processing performance required for the center device is low. The cost of realization will rise.

上記の課題に対し、昇降機の遠隔監視診断装置において診断端末に実装されている昇降機の異常の兆候を捉える評価手段や、昇降機の仕様、環境などに応じて設定する稼動情報の評価閾値とを全てセンター装置内で一括管理することにより、従来診断端末に必要だった評価手段や評価用閾値を保有するための記憶装置を減らすことができ、診断端末のコストを低減されつつ、また評価閾値の変更、追加や評価方法の改良を容易にする。   In response to the above problems, all the evaluation means for capturing the signs of the abnormality of the elevator installed in the diagnostic terminal in the remote monitoring and diagnosis device for the elevator, and the evaluation threshold of the operation information set according to the specification, environment, etc. of the elevator Centralized management within the center unit can reduce the number of storage devices for holding evaluation means and evaluation thresholds previously required for diagnostic terminals, while reducing the cost of diagnostic terminals and changing the evaluation threshold , Facilitating additions and improvements in evaluation methods.

またセンター装置の負荷の増大に対しては、通信処理と判定処理を独立させて動作させ、診断端末毎に稼動情報を格納するタイミングで診断処理を実行することで1回の処理件数を通信処理能力と合わせることでセンター側に必要とされる処理能力を分散し、効率良くできるため、要求能力を最少にすることが可能となる。   Also, in response to an increase in the load on the center device, the communication process and the determination process are operated independently, and the diagnosis process is executed at the timing when the operation information is stored for each diagnosis terminal, so that the number of processings per process can be processed. The required processing capacity can be minimized because the processing capacity required on the center side can be distributed efficiently by combining with the capacity.

端末装置から稼動情報、設置環境、昇降機の仕様を全てセンター装置へ伝送し、昇降機毎の判定手段及び、端末装置に設定する評価用閾値をセンター装置で全て持つことで、端末側のソフトウェアを変更することなく評価手法を変更でき、またセンター装置へ評価手段を移行しても、稼動情報が収集できれば従来の端末も引き続き使用することは可能で、互換性も維持できる。   The operation information, installation environment, and elevator specifications are all transmitted from the terminal device to the center device, and the terminal side software is changed by having all judgment means for each elevator and the evaluation threshold set in the terminal device in the center device. Even if the evaluation method can be changed without any change, and even if the evaluation means is transferred to the center device, if the operation information can be collected, it is possible to continue using the conventional terminal and maintain compatibility.

また上記構成によると端末装置の低コスト化、及び診断アルゴリズムの改良を容易にすると共に、稼動情報の収集タイミングで診断処理を実行することでセンター装置の処理を分散、効率化できるため、センター側の設備投資も最少とすることができる。   In addition, according to the above configuration, the cost of the terminal device and the improvement of the diagnosis algorithm can be facilitated, and the center device processing can be distributed and streamlined by executing the diagnosis processing at the collection timing of the operation information. The capital investment can be minimized.

本発明の実施形態を図を用いて説明する。   Embodiments of the present invention will be described with reference to the drawings.

図1は本発明の一実施形態になる昇降機の遠隔監視診断装置のブロック図である。E1,E2,Enは遠隔診断を行う対象の昇降機であり、それぞれには昇降機の遠隔診断端末T1,T2,Tnが接続されている。   FIG. 1 is a block diagram of a remote monitoring diagnostic apparatus for an elevator according to an embodiment of the present invention. E1, E2, En are elevators to be subjected to remote diagnosis, and remote diagnosis terminals T1, T2, Tn of the elevators are connected to the respective elevators.

遠隔診断端末T1,T2,Tnでは端末の稼動初期段階で、昇降機E1,E2,Enからその昇降機の機種、用途、速度、定格積載荷重、ドアの出入口幅、モーター容量、階床数といった基本情報を採取する。センター装置C1では公衆回線網を介してこれらの情報を通信処理装置CSが収集し、評価手段と評価閾値を決定するための基本データとしてセンター装置C1の基本情報EM1,EM2,EMnに格納し昇降機毎に管理する。   In the remote diagnosis terminals T1, T2, Tn, basic information such as the elevator model E1, E2, En to the elevator model, application, speed, rated load capacity, door entrance / exit width, motor capacity, number of floors at the initial stage of operation of the terminal Collect. In the center device C1, the communication processing device CS collects such information via the public line network and stores it in the basic information EM1, EM2, EMn of the center device C1 as basic data for determining the evaluation means and the evaluation threshold value. Manage every one.

昇降機の各種リレー動作回数や電気機器の通電時間といった稼動情報は公衆電話回線網を介して1回/月定期的にセンター装置C1内の通信処理装置CSで収集される。   Operation information such as the frequency of various relay operations of the elevator and the energization time of the electric equipment is collected by the communication processing device CS in the center device C1 once / month periodically via the public telephone line network.

収集されたこれらの稼動情報はセンター装置C1内に設けられた稼動情報記憶部ED1、ED2、EDnに昇降機毎に格納される。同時にセンター装置C1では昇降機の稼動情報ED1、ED2、EDnを格納するタイミングで、それぞれ昇降機E1、E2、Enの基本情報EM1、EM2、EMnを参照して最適な評価手段D1、D2、Dnを選択し、且つ同様にセンター装置C1の記憶領域S1に格納されている昇降機の稼動状態に異常の前兆があると判定するための評価用閾値を昇降機基本情報EM1、EM2、EMnを参照して決定し、それぞれ昇降機E1、E2、En、及び稼動情報に適した評価用閾値を評価手段D1、D2、Dnに渡すことで昇降機E1、E2、Enのそれぞれについて個別に最適な評価手段と閾値情報を選択して診断処理を実行する。   The collected operation information is stored for each elevator in operation information storage units ED1, ED2, and EDn provided in the center device C1. At the same time, the center device C1 selects the most suitable evaluation means D1, D2, Dn with reference to the basic information EM1, EM2, EMn of the elevators E1, E2, En at the timing of storing the elevator operation information ED1, ED2, EDn, respectively. Similarly, an evaluation threshold value for determining that there is a sign of abnormality in the operating state of the elevator stored in the storage area S1 of the center device C1 is determined with reference to the elevator basic information EM1, EM2, EMn. Each of the elevators E1, E2, and En selects the optimum evaluation means and threshold information individually by passing evaluation thresholds suitable for the elevators E1, E2, En, and operation information to the evaluation means D1, D2, and Dn. And execute diagnostic processing.

評価手段D1、D2、Dnについてはそれぞれが個別に管理されているため、昇降機E1に対する評価手段D1のみを変更すると入った方法が容易に可能である。   Since each of the evaluation means D1, D2, and Dn is individually managed, a method that is included can be easily made by changing only the evaluation means D1 for the elevator E1.

また、診断端末T1、T2、Tnから稼動情報を収集する台数の最大値はセンター装置の回線数と1台あたりの通信時間によって決定できるため、1台あたりの端末との通信時間をCt[min]とした場合、1時間あたりの収集台数の最大ntはnt=(60/Ct)×Cnで固定されることになり、センター装置の処理時間もnt台/[h]であれば十分であり、要求される性能値が十分に予測可能である。   Further, since the maximum value of the number of operation information collected from the diagnostic terminals T1, T2, and Tn can be determined by the number of lines of the center apparatus and the communication time per device, the communication time with each terminal is represented by Ct [min ], The maximum number of collections per hour is fixed at nt = (60 / Ct) × Cn, and it is sufficient if the processing time of the center device is also nt units / [h]. The required performance value is sufficiently predictable.

診断結果はセンター装置C1の稼動情報ED1,ED2,EDnに格納され、これらの情報を昇降機の保守の際に活用することで必要最小限のコストで昇降機の異常診断と故障の未然防止を実施することが可能となる。   The diagnosis result is stored in the operation information ED1, ED2, EDn of the center device C1, and by utilizing these information during the maintenance of the elevator, the abnormality diagnosis of the elevator and the prevention of the failure are performed at the minimum necessary cost. It becomes possible.

このような構成をとることで診断端末においては昇降機の仕様、環境などを意識する必要がないため、稼動情報を格納する記憶領域のみの簡素な構造で良く、且つセンター装置の処理能力も容易に推定可能であるため、回線数増設時の処理能力向上のみを考慮して最小限の設備投資を行うことが可能となる。   With this configuration, the diagnostic terminal does not need to be aware of the elevator specifications, environment, etc., so it can have a simple structure with only a storage area for storing operation information, and the processing capability of the center device is also easy. Since it can be estimated, it is possible to make a minimum capital investment considering only the improvement of processing capacity when the number of lines is increased.

本発明の一実施形態になる昇降機の遠隔監視診断装置のブロック図である。It is a block diagram of the remote monitoring diagnostic apparatus of the elevator which becomes one Embodiment of this invention.

符号の説明Explanation of symbols

C1 昇降機の遠隔監視診断装置におけるセンター装置
E1、E2、En 昇降機
T1、T2、Tn それぞれ昇降機E1、E2、Enに取り付けられた遠隔診断端末
EM1、EM2、EMn 昇降機E1、E2、Enの仕様、環境等の基本情報
ED1、ED2、EDn 昇降機E1、E2、Enの稼動情報
D1、D2、Dn 昇降機の異常の前兆を捉える診断エンジン
R1、R2、Rn 診断エンジンによって判定された結果情報
S1 昇降機の環境や用途、仕様に応じて蓄えられた異常を判定するための閾値情報
Cn センター装置が有する通信回線
CS 通信処理装置
C1 Center device in remote monitoring and diagnosis device for elevator E1, E2, En Elevator T1, T2, Tn Remote diagnosis terminal attached to elevators E1, E2, En respectively
EM1, EM2, EMn Basic information such as elevators E1, E2, En specifications, environment, etc. ED1, ED2, EDn Elevator E1, E2, En operating information D1, D2, Dn Diagnosis engine R1, R2 , Rn Result information determined by the diagnosis engine S1 Threshold information for determining the abnormality stored according to the environment, application, and specifications of the elevator Cn Communication line of the center device CS Communication processing device

Claims (2)

昇降機の稼動・診断情報を取得する遠隔診断端末と、通信回線を介して稼動・診断情報を取得・管理するセンター装置から構成される昇降機の遠隔監視診断装置において、昇降機の異常の兆候を捉える診断機能をセンター装置側に有することで前記診断の方法を昇降機毎に設定することができ、更に容易に且つ昇降機毎に変更することができることを特徴とする昇降機の遠隔監視診断装置。   Diagnosis of signs of abnormalities in elevators in a remote monitoring and diagnosis device for elevators, consisting of a remote diagnosis terminal that acquires elevator operation / diagnosis information and a center unit that acquires and manages operation / diagnosis information via a communication line A remote monitoring and diagnosing device for an elevator, wherein the diagnosis method can be set for each elevator by having a function on the center device side, and can be easily changed for each elevator. 上記した昇降機の遠隔監視診断装置において、端末から稼動情報を収集したタイミングで逐次端末毎の診断処理を実行することで、センター装置側の負荷を分散し、設備投資を必要最小限にできることを特徴とした昇降機の遠隔監視診断装置。   In the above-described elevator remote monitoring diagnostic device, the diagnostic processing for each terminal is executed sequentially at the timing when the operation information is collected from the terminal, so that the load on the center device side can be distributed and the capital investment can be minimized. Elevator remote monitoring and diagnosis device.
JP2005241279A 2005-08-23 2005-08-23 Remote monitoring diagnosis device for elevator Pending JP2007055714A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011132013A (en) * 2009-12-25 2011-07-07 Hitachi Ltd Elevator maintenance system, maintenance terminal device, and method of maintaining elevator
JP2011235984A (en) * 2010-05-07 2011-11-24 Mitsubishi Electric Corp Elevator maintenance system, elevator control device, setting evaluation device, setting recommendation device, and performance evaluation device
CN103159106A (en) * 2013-03-27 2013-06-19 中山市卓梅尼控制技术有限公司 Elevator maintenance system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011132013A (en) * 2009-12-25 2011-07-07 Hitachi Ltd Elevator maintenance system, maintenance terminal device, and method of maintaining elevator
JP2011235984A (en) * 2010-05-07 2011-11-24 Mitsubishi Electric Corp Elevator maintenance system, elevator control device, setting evaluation device, setting recommendation device, and performance evaluation device
CN103159106A (en) * 2013-03-27 2013-06-19 中山市卓梅尼控制技术有限公司 Elevator maintenance system

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