EP3103537B1 - Procede et systeme de mesure destine au diagnostic de dispositifs destines a transporter des charges, utilisation du systeme de mesure - Google Patents

Procede et systeme de mesure destine au diagnostic de dispositifs destines a transporter des charges, utilisation du systeme de mesure Download PDF

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Publication number
EP3103537B1
EP3103537B1 EP16173216.9A EP16173216A EP3103537B1 EP 3103537 B1 EP3103537 B1 EP 3103537B1 EP 16173216 A EP16173216 A EP 16173216A EP 3103537 B1 EP3103537 B1 EP 3103537B1
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EP
European Patent Office
Prior art keywords
measuring system
measuring
load
monitoring
acceleration
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.)
Active
Application number
EP16173216.9A
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German (de)
English (en)
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EP3103537A1 (fr
Inventor
Daniel Grus
Gunther Weiglein
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Robert Bosch GmbH
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Robert Bosch GmbH
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Priority claimed from DE102015211797.9A external-priority patent/DE102015211797A1/de
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP3103537A1 publication Critical patent/EP3103537A1/fr
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Publication of EP3103537B1 publication Critical patent/EP3103537B1/fr
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63J—DEVICES FOR THEATRES, CIRCUSES, OR THE LIKE; CONJURING APPLIANCES OR THE LIKE
    • A63J1/00—Stage arrangements
    • A63J1/02—Scenery; Curtains; Other decorations; Means for moving same
    • A63J1/028—Means for moving hanging scenery

Definitions

  • the invention is based on a measuring system for the diagnosis of devices for carrying loads according to the preamble of claim 1. Furthermore, the invention relates to a method for the measuring system and a use of the measuring system.
  • stage technology it is common for loads, such as stage sets, to be moved by a drive via a load-bearing device.
  • loads such as stage sets
  • stage equipment is subject to special safety requirements, as it allows the movement of persons with these equipment as well as the stay under static and moving loads.
  • the drive is, for example, an electro-mechanical or hydraulic platform technology drive.
  • the invention has for its object to provide an independent and universally applicable measuring system, with the safety-related characteristics of facilities for transporting loads. Furthermore, the invention has for its object to provide an independent universal usability of the measuring system. Furthermore, it is an object of the invention to provide a method for the measuring system to be able to diagnose facilities for carrying loads and their safety.
  • the object is achieved with respect to the measuring system according to the features of claim 1, with respect to the use according to the features of claim 13 and with respect to the method according to the features of claim 14.
  • an independent and universally applicable measuring system for diagnosing devices for carrying loads with an evaluation - or a processing unit - and a monitoring system - or a measuring unit - for accelerations on a load and / or loads or on a weight load or on a mass intended.
  • the load is here by a drive or several drives, in particular from the stage technology, movable.
  • the monitoring system has an acceleration sensor for detecting the accelerations of the load.
  • the acceleration sensor and / or the monitoring system is set up such that it or it can be fastened to the load and / or to a load-receiving device, in particular directly.
  • the measuring system is set up in such a way that the occurring accelerations are measured and documented in normal operation and also advantageously in fault operation or in the event of a fault.
  • the measuring system is advantageously universally applicable and can be completely independent of the device for carrying loads themselves.
  • This solution has the advantage that with the measuring system loads can be determined even in a fault.
  • the measuring range of the sensors of conventional devices or machines for carrying loads is not designed.
  • a fault load can be determined.
  • the accident load can be checked at a decrease in the device, for example, by a customer, a planner or an expert, the design of the device against, thereby determining whether their safety is sufficient.
  • the accident burden can be used by manufacturers of the equipment as input for the interpretation selbiger, for example by the accident load is determined by measurements on a prototype.
  • the accident load and the determined accelerations can be used as an input variable for the design of loads to be transported with the device, wherein the load in the stage technology is, for example, a set design.
  • the measuring system may advantageously be a supplementary testing device for expert and expert tests.
  • the measuring system it is possible for the measuring system to advantageously determine the driving quality of the device during commissioning, during a decrease or during a recurring test, in particular based on the evaluation of the jerk, which is determined by the measuring system from the acceleration. By eliminating possible identified safety deficiencies, safety is increased.
  • the acceleration sensor is arranged to fix it directly to the load, it is advantageously ensured that an analysis of the behavior of the moving load also takes place when the load "lifts off", which may occur, for example, during braking during a movement in the lifting direction if there is no firm connection between the load bearing and the load.
  • the load would not transfer forces to the load carrying device, which would mean that the machine's own sensors could no longer measure force or acceleration.
  • the acceleration measurement directly on the load can thus advantageously also be used to determine the acceleration of the "lifting" load, thereby ensuring a comprehensive diagnosis.
  • the behavior of the device during a test of safety devices, in particular brakes can be determined with the measuring system.
  • a stopping distance in particular in the event of a fault, can be determined.
  • overspeeds especially in the event of an accident, can be determined, which is safety-relevant.
  • the evaluation system is set up such that deviations between the measurement and a sensor or load measuring device installed in the drive or in the device can be detected.
  • a sensor or load measuring device installed in the drive or in the device.
  • the measuring system is used in the stage technology.
  • the monitoring system and the evaluation system are compactly formed or arranged in a common housing. In this case, they can have a common power supply simply and cost-effectively. Furthermore, the entire measuring system can be attached directly to the moving load or to the load receiving device simply by the housing.
  • the monitoring system and the evaluation system are each formed in a separate housing. It is sufficient that only the monitoring system with the acceleration sensor is attached directly to the load or the load-receiving device.
  • separate housings each have their own power supply for the monitoring system and the evaluation system, whereby the housings do not have to be connected to one another with respect to the power supply.
  • the monitoring system has a transmission system or a transmission unit which transmits the accelerations determined by the acceleration sensor to the evaluation system.
  • This is preferably wireless, in particular via a wireless local area network (WLAN) or Bluetooth.
  • WLAN wireless local area network
  • the sampling and transmission rate of the monitoring system can be comparatively high, since appropriate data transmission technology is used.
  • the high sampling and transmission rate allows an accurate and fast acceleration test. If WLAN is used for transmission, a high transmission range and a secure connection are possible.
  • the voltage supply of the monitoring system and / or the evaluation system via an accumulator can be moved with, without having to pay attention to a cable guide, for example.
  • the accumulator can be on or in the housing be arranged. A capacity of the accumulator is advantageously chosen such that an uninterrupted measuring operation is possible.
  • it is conceivable to provide a wired power supply, in particular via a power supply but this has the disadvantage over the accumulator that due to the movement of the load and the often large distances traveled the load comparatively high device complexity, especially in terms of cable management and wiring must be operated.
  • the monitoring system and the evaluation system are designed in separate housings, then it is conceivable that the monitoring system is supplied by a rechargeable battery and the evaluation system is supplied with a wired connection.
  • the acceleration sensor is designed or set up in such a way that it has a sufficiently high measuring range in order to be able to measure high accelerations, which may occur, for example, in the event of an accident and / or when driving with comparatively low loads.
  • the acceleration sensor is set up such that accelerations can be detected in at least one axial direction.
  • the acceleration sensor can be provided that the measurement is possible in at least three axial directions.
  • a further diagnosis of the device for carrying the loads can be made, for example, the influence of existing guides on the motion continuity of the load can be determined.
  • the measuring system is designed such that it is robust and in particular meets the required and / or customary industry standard.
  • the evaluation system is advantageously set up in such a way that one or more further physical variables relevant to the diagnosis of the stage technology, such as a force and / or a speed and / or a path and / or a jerk, can be determined from the acceleration. With one or preferably several of these variables, a meaningful evaluation of the operation of the device can be made from the raw data of the measurement.
  • the measuring system in particular the evaluation system, an interface for connection to a display device or a display device.
  • the measuring system preferably no power supply of the display device via the measuring system.
  • no separate display device for the measuring system is necessary, which keeps the power consumption of the measuring system extremely low, which is particularly advantageous in a power supply of the measuring system via an accumulator.
  • the measurement can be followed live and / or checked whether the measurement was successful.
  • the display device is, for example, a computer with a monitor or a notebook or a tablet or a smartphone.
  • a network hardware may be provided as an interface between the measuring system and the display device. This is arranged in particular in the evaluation system.
  • the connection is preferably wireless, in particular via a wireless local area network (WLAN) or Bluetooth.
  • WLAN wireless local area network
  • an arithmetic unit which reads in and digitizes the measured values. These measured values and the physical variables determined therefrom are stored on a likewise provided memory or data memory or an integrated memory. As a result, a comparison of measured values, which were recorded in particular at different times, can be carried out in a simple manner.
  • the measuring system in particular the evaluation system, advantageously has a web server.
  • the web server can be accessed via the display device.
  • a web application can run on the web server. These allow visualization of the measured values and / or the physical quantities, for example by the web application being displayed on the display device.
  • the display device itself can serve only for display and requires, for example, except a web browser no special software. This ensures that the software for the measuring system can be independent of the hardware of the display device, since the Evaluation system has the web server on which the web application is running.
  • the display device can then dial in on the web server and thus serve only for display, whereby, as already explained above, no special software is necessary on the display device.
  • the web application further advantageously different display devices can be used.
  • the mass in particular of the evaluation system, taken into account.
  • the mass can be fed into the measuring system, for example via a user input in the web application. It would also be conceivable to detect the load via a sensor and make it available to the evaluation system.
  • the acceleration values and / or one or more determined physical quantities can be displayed on the display system, in particular using function graphs or diagrams.
  • the one or more of the determined variables can be plotted over time.
  • maximum values and / or minimum values are displayed.
  • a slidable cursor is provided, with which arbitrary positions on the function graph are selectable to indicate the value or the size at the position of the cursor.
  • a plurality of function graphs may be displayed and / or superimposed on the display device, making direct comparisons feasible. For example, a desired-actual comparison can be carried out, wherein target values can be predetermined, for example, based on a theoretical driving profile.
  • a further comparison can be made with the measured values of the sensors of the device for conveying loads. For example, force measuring axes can be disarmed by overload, which would be determined by this comparison. Furthermore, a comparison may be made with allowable limits, such as a fault load or other design criteria. In addition, a comparison with, in particular past, measurements of the drive is conceivable. In addition, a comparison with measurements of, in particular identical, means for carrying loads or hoists can be performed. In addition, an automatic warning is conceivable if deviations are detected by the comparisons.
  • the function graphs or diagrams are stored on the display device. Furthermore, it is advantageous if a function is provided in the web application in order to generate predefined or freely configurable test reports, in particular a digitized test book, which can be stored, in particular on the display device. Furthermore, the storage of the diagrams and / or test reports can also be done on the memory of the measuring system or a memory card in the measuring system.
  • a threshold for an automatic triggering of the measurement of the measuring system can be entered via the display device in the web application.
  • it is conceivable to trigger the measurement of the measuring system for example by pressing a button in the web application.
  • the common housing of the monitoring system and the evaluation system or the housing of the monitoring system and / or the housing of the evaluation system are firmly connected to an adapter plate.
  • the adapter plate may be arranged to fasten or to arrange fastening means for connection to the load or load receiving device.
  • the adapter plate for example, have holes and / or slots.
  • a pipe clamp for attachment to a load receiving device or the load, in particular in the form of a load bar.
  • a U-bolt for fastening to the load-receiving device in the form of a load bar, in particular on the adapter plate.
  • a magnet or a magnetic base may be fastened to the adapter plate.
  • a clamping mechanism on the adapter plate.
  • a screwing device for screwing on the adapter plate to provide the load or the load handling device.
  • the adapter plate By the adapter plate, the possibility is advantageously created that a suitable mounting option is selected for each application.
  • the housing or the housings it would be conceivable for the housing or the housings to be formed directly with the mentioned types of fastening.
  • the attachment of the measuring system should preferably be such that it is securely, preferably positively connected to the load or the load receiving device, so that a crash of the measuring system during movement or travel of the load or the load bearing is prevented because such a crash to personal and property damage.
  • a measuring direction of the monitoring system is recognizable from the outside.
  • the measuring system can be aligned according to the measuring direction. Incorrect alignment or slippage of the measuring system could lead to incorrect measurement.
  • the measuring direction is displayed, for example, visible on the housing, in which, for example, a symbol is provided. It is also conceivable to display the measuring direction on the housing with a sticker. Furthermore, it may also be an orientation based on one or more dragonflies or spirit levels, which are attached to the housing.
  • the measuring system with an integrated, in particular small, display and / or one or more push-buttons or an input device.
  • An operation of the measuring system and / or an indication of an operating state can be made possible by way of this.
  • the display and / or the button in combination with a, in particular integrated, memory, the measurement of the acceleration can also be done without a display device.
  • other displays for the operating state such as LEDs, can be provided.
  • the measuring system has a scanner for machine-readable codes.
  • a device for carrying loads and / or the loads each have a barcode that is scanned in before the measurement.
  • the measurement can then be automatically assigned to the corresponding device, and / or the measuring system automatically detects the load.
  • an acoustic signal can be output in a successful measurement.
  • a wireless connection is also advantageous when the load is in inaccessible locations during the measurement. This is especially the case when an intermediate diagnosis is to be performed, whereby a direct connection to the measuring system via cable is no longer necessary. Furthermore, a result query through a wireless connection is extremely easy and feasible with a small amount of time.
  • the measuring system is designed such that it is universally applicable and completely independent of the device for carrying loads itself.
  • the measured values can be digitized and stored here. Furthermore, as explained above, the measured values can be converted into one or more physical quantities. In addition, the measured values and / or the determined size or the determined variables can be displayed on the display device.
  • a stage arrangement with a load receiving device for receiving a load, wherein the load receiving and / or the load of a drive from the stage technology are movable.
  • a measuring system according to one of the preceding aspects is provided, wherein the measuring system or the monitoring system is adapted to fix it to the movable load and / or to the movable load receiving device.
  • FIG. 1 a measuring system 1 with a housing 2 is shown.
  • a monitoring system 4 and an evaluation system 6 are formed.
  • the monitoring system 4 has an acceleration sensor 8 for measuring an acceleration of a load 10.
  • the measuring system 1 is attached directly to its housing 2 via fastening means 12 on the load 10 or its load-carrying device.
  • the acceleration sensor 8 is moved with the load 10 and can detect an acceleration of the load 10. This is movable by a drive of a stage technology.
  • the acceleration sensor 8 is connected to a computer unit 16 in order to transmit measured values.
  • the arithmetic unit 16 has a processor (CPU) and an electronic memory (RAM).
  • the arithmetic unit 16 in turn is connected via a connection 18 to a digital memory 20 in order to store or read out measured values.
  • the measured values acquired by the acceleration sensor 8 are thus read in, digitized and stored on the memory 20.
  • the measured values are converted into further physical variables that are relevant for the diagnosis by calculating further physical variables from the detected acceleration via the arithmetic unit 16.
  • a force can be determined, for which purpose the mass of the load 10 is required, which can for example be entered or specified by a user.
  • the speed can be calculated, forming a time interval of the acceleration.
  • a path may be determined which is a time integral of the velocity, or a jerk may be calculated which is a derivative of the acceleration over time.
  • the Measurements of the acceleration and the calculated physical quantities can be stored in the memory 20 and read out of it.
  • the measuring system 1 further has a web server 22 on which a web application 24 can be provided.
  • a web application 24 For the web application 24, physical quantities or parameters calculated via a connection 26 to the memory 20 and the acquired measured values of the acceleration are read out. Furthermore, the measurement can be controlled via the web server 22 via a connection 28 to the computing unit 16 (eg by user input in the web application).
  • a network hardware 30 is provided.
  • the network hardware is, for example, a Local Area Network (LAN) or a WLAN (Wireless Local Area Network) or a Bluetooth interface.
  • An external display device 32 may then be connected to the web server 22 via the network hardware 30.
  • the display device 32 is in the embodiment according to FIG. 1 an example of a notebook.
  • the load can be input by the user via the display device 32 in order to determine the force in the arithmetic unit 16.
  • the determined physical quantities and the acceleration can be displayed.
  • an accumulator may be provided, which is arranged on or in the housing 2.
  • the measuring system 1 which can be fastened as a unit to the load 10, the check with a measurement of an existing in the drive of the load 10 measuring device allows to determine the safety. Furthermore, the measuring system 1 is designed in such a way that accelerations and forces in an accident can be detected correctly.
  • FIG. 2 a second embodiment of the measuring system 1 is shown.
  • the monitoring system 4 is arranged in a housing 34 and the evaluation system 6 in a separate housing 36.
  • the housing 34 is fixedly connected to the load 10 or its load-receiving device.
  • the monitoring system 4 according to the embodiment in FIG. 1 the acceleration sensor 8.
  • a transmitting unit 38 provided in the monitoring system 4, with which the acceleration sensor 8 is connected via a connection 40 for transmitting the determined measured values.
  • the transmitting unit 38 in turn is connected via a connection 42, which is preferably a wireless connection, for example WLAN or Bluetooth, to the network hardware 30, which is arranged in the housing 36. Via the connection 42, the acquired measured values are transmitted from the transmitting unit 38 to the network hardware 30.
  • the latter in turn transmits the acquired measured values to the arithmetic unit 16 via a connection 44.
  • the arithmetic unit 16, the memory 20, the web server 22 and the network hardware 30 are otherwise in accordance with the embodiment in FIG FIG. 1 in contact with each other.
  • the display device 32 is also connected to the network hardware 30.
  • the measuring system 1 consists of two components, each with a separate housing 34 and 36.
  • the monitoring system 4 and the evaluation system 6 each have a separate power supply.
  • the voltage supply of the monitoring system 4 takes place via an accumulator which is fixed in or on the housing 34 and has a sufficient capacity for several hours of measurement operation.
  • the power supply for the evaluation system 6 in the housing 36 may be hardware bound, since this is not moved with the load 10.
  • a fastening means is provided which has an adapter plate 46. This is firmly connected to the housing 2 or 34. Further, the adapter plate 46 may have various holes and / or slots to attach other fasteners, such as a clamp, a U-bolt, a magnetic base, a clamping mechanism or a screw.
  • FIGS. 1 and 2 forms the load 10 with the load bearing, not shown, and the measuring system 1, a measuring arrangement in the stage technology 48th
  • FIG. 4 shows method steps of a method for the measuring system 1 from the Figures 1 and 2 ,
  • the acceleration of the load 10 is measured via the acceleration sensor 8.
  • the acceleration values into other relevant for the diagnosis (the stage technique) physical variables such as a force and / or speed and / or a path (distance) and / or a jerk converted.
  • the determined variables are compared with the measured values of the sensors installed in the drive.
  • a measuring system for diagnosing devices for carrying loads which has an evaluation system and a monitoring system.
  • the monitoring system can detect an acceleration at the load.
  • the monitoring system has in this case means so that it can be attached directly to the load or to a load-receiving device.
  • the measuring system is set up in such a way that the accelerations in the normal mode and also in the disturbance mode can be measured.
  • the measuring system is used here in the stage technology.
  • the acceleration is detected in a first step.
  • the acceleration values are converted into further physical quantities and compared in a third step with the values of the usual existing sensors.

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  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Claims (14)

  1. Système de mesure destiné au diagnostic de dispositifs de transport de charges (10) au moyen d'un système d'évaluation (6) et d'un système de surveillance (4) destiné à surveiller des accélérations exercées sur la charge (10), qui peut être déplacé par un entraînement, dans lequel le système de surveillance (4) comporte un capteur d'accélération (8) destiné à mesurer les accélérations, dans lequel le système de mesure (1) et/ou le capteur d'accélération (8) est conçu pour pouvoir être fixé à la charge (10) et/ou à un dispositif de prise de charge, caractérisé en ce que le système de mesure (1) est conçu pour mesurer et documenter les accélérations en fonctionnement normal et en cas de dysfonctionnement, dans lequel le système d'évaluation (6) est conçu de manière à pouvoir détecter des écarts entre la mesure du système de surveillance (4) et une mesure d'un dispositif de mesure installé dans l'entraînement.
  2. Système de mesure selon la revendication 1, dans lequel le système de surveillance (4) et le système d'évaluation (6) sont agencés dans un boîtier commun (2) ou dans lequel le système de surveillance (4) et le système d'évaluation (6) sont chacun agencés dans un boîtier séparé (34, 36).
  3. Système de mesure selon l'une des revendications précédentes, dans lequel le système de surveillance (4) et le système d'évaluation (6) possèdent chacun leur propre alimentation en tension, ou dans lequel le système de surveillance (4) et le système d'évaluation (6) possèdent une alimentation en tension commune.
  4. Système de mesure selon l'une des revendications précédentes, dans lequel le système de surveillance (4) comporte un système d'émission (38) qui transmet au système d'évaluation (6) les accélérations déterminées par le capteur d'accélération (8).
  5. Système de mesure selon la revendication 3 ou 4, dans lequel une alimentation en tension est effectuée par l'intermédiaire d'un accumulateur.
  6. Système de mesure selon l'une des revendications précédentes, dans lequel le capteur d'accélération (8) détecte les accélérations dans au moins une direction axiale, en particulier dans deux ou trois directions axiales.
  7. Système de mesure selon l'une des revendications précédentes, comportant une interface ou un matériel de réseau (30) permettant une connexion à un dispositif d'affichage (32).
  8. Système de mesure selon l'une des revendications précédentes, comportant un serveur web (22) .
  9. Système de mesure selon la revendication 8, dans lequel une application web (24) s'exécute sur le serveur web (22).
  10. Système de mesure selon la revendication 9, dans lequel l'application web (24) peut être affichée sur le dispositif d'affichage (32) et/ou dans lequel l'application web (24) est accessible par l'intermédiaire du dispositif d'affichage (32).
  11. Système de mesure selon l'une des revendications 2 à 10, dans lequel le boîtier commun (2) du système de surveillance (4) et du système d'évaluation (6) ou le boîtier (34) du système de surveillance (4) est relié à une carte d'adaptation (46).
  12. Système de mesure selon l'une des revendications précédentes, conçu de manière à ce que des valeurs d'accélération puissent être converties en d'autres grandeurs physiques pertinentes pour le diagnostic, en particulier pour des applications scénographiques, comme une force et/ou une vitesse et/ou une distance et/ou une secousse.
  13. Utilisation du système de mesure selon l'une des revendications précédentes dans les applications scénographiques.
  14. Procédé destiné à un système de mesure selon l'une des revendications 1 à 12, comportant les étapes suivantes :
    - mesurer et/ou surveiller l'accélération de la charge (10) par l'intermédiaire du capteur d'accélération (8) ; en particulier
    - convertir l'accélération en d'autres grandeurs physiques pertinentes pour le diagnostic, en particulier pour les applications scénographiques, comme une force et/ou une vitesse et/ou une distance et/ou une secousse ;
    - comparer les grandeurs déterminées à des valeurs de mesure d'un dispositif de mesure installé dans l'entraînement.
EP16173216.9A 2015-06-09 2016-06-07 Procede et systeme de mesure destine au diagnostic de dispositifs destines a transporter des charges, utilisation du systeme de mesure Active EP3103537B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015210519 2015-06-09
DE102015211797.9A DE102015211797A1 (de) 2015-06-09 2015-06-25 Verfahren und Messsystem zur Diagnose von Einrichtungen zum Befördern von Lasten, Verwendung des Messsystems

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EP3103537A1 EP3103537A1 (fr) 2016-12-14
EP3103537B1 true EP3103537B1 (fr) 2018-12-19

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Publication number Priority date Publication date Assignee Title
DE9015495U1 (fr) * 1990-11-12 1992-01-02 Technischer Ueberwachungs-Verein Bayern E.V., 8000 Muenchen, De
US20040099852A1 (en) * 2000-07-28 2004-05-27 Hoffend Donald A. Modular lift assembly
KR100440987B1 (ko) * 2002-01-05 2004-07-21 세원공업 주식회사 무대 세트물 상하 이동장치
US7004289B2 (en) * 2003-09-30 2006-02-28 Shrum Iii William M Elevator performance measuring device and method
WO2014124890A1 (fr) * 2013-02-12 2014-08-21 Inventio Ag Procédé permettant de mettre en œuvre un essai de sauvetage pour ascenseur

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