EP1828042A2 - Capteur de pression multifonctionnel et procede associe - Google Patents

Capteur de pression multifonctionnel et procede associe

Info

Publication number
EP1828042A2
EP1828042A2 EP05820638A EP05820638A EP1828042A2 EP 1828042 A2 EP1828042 A2 EP 1828042A2 EP 05820638 A EP05820638 A EP 05820638A EP 05820638 A EP05820638 A EP 05820638A EP 1828042 A2 EP1828042 A2 EP 1828042A2
Authority
EP
European Patent Office
Prior art keywords
sensor
pressure
measured
memory
evaluation
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.)
Granted
Application number
EP05820638A
Other languages
German (de)
English (en)
Other versions
EP1828042B1 (fr
Inventor
Hans Ryser
Martin Fiedler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TUEV Rheinland Industrie Service GmbH
Original Assignee
TUEV Rheinland Industrie Service GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TUEV Rheinland Industrie Service GmbH filed Critical TUEV Rheinland Industrie Service GmbH
Publication of EP1828042A2 publication Critical patent/EP1828042A2/fr
Application granted granted Critical
Publication of EP1828042B1 publication Critical patent/EP1828042B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/04Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed

Definitions

  • the invention relates to a device and a method for a safety inspection of a hydraulic conveyor system or lifting machine, in particular a hydraulic elevator system, with at least one sensor for measuring a pressure in the pressure transmission medium of the hydraulic conveyor system or lifting machine, in particular hydraulic elevator system, prevailing pressure attached sensor.
  • the object of the present invention is to improve a safety inspection of hydraulic conveyor systems or lifting machines, in particular hydraulic elevator systems, and to enable a more reliable evaluation of test results and thus a higher test quality.
  • a device comprises a hydraulic conveying system or lifting machine, in particular a hydraulic elevator system, with at least one first sensor attached to measure a pressure prevailing in the pressure transmission medium of the hydraulic conveyor or lifting machine, at least one further second sensor for measuring at least one further measuring variable different from the pressure testing hydraulic conveyor or lifting machine.
  • a measuring device of a hydraulic conveying system or working machine, in particular of a hydraulic elevator installation, has at least one first sensor for measuring a pressure which can be applied in a pressure transmission medium of the hydraulic conveyor or working machine. holds at least one further, second sensor for measuring a further measurement variable, different from the pressure, of the hydraulic conveyor system or working machine to be tested.
  • a method according to the invention for the safety inspection of a system of a hydraulic conveyor system or lifting machine, in particular hydraulic elevator systems with at least one for measuring a pressure prevailing in the pressure transmission medium of the system attached first sensor pressure and at least one further, second sensor at least one of the pressure measured measured variable of the system to be tested, wherein on the basis of at least one measured value determined a state of the system characterizing test result is determined.
  • the measured variable which monitors the second sensor, characterizes a state of the pressure-transmitting medium.
  • the second sensor is selected from the group of viscosity sensor, ultrasonic sensor, optical sensor, acoustic sensor, temperature sensor or conductivity sensor.
  • a safety parameter for example, a measured variable from the group temperature, viscosity and contamination of a pressure transmission medium, in particular oil temperature, oil viscosity and oil quality is selected.
  • the second sensor is an acceleration sensor and / or a friction sensor.
  • suitable parameters which are useful in determining the test result are, in particular, a mass inertia force of a nominal load and a guide friction due to eccentric load suspension.
  • plant-specific characteristics and / or safety specifications are preferably taken into account.
  • suitable sensors for the measurement of at least the named and different from the printing system parameters
  • suitable sensors are preferably proposed the following sensor types: A sensor for measuring a medium quality, eg an optical sensor and / or an acoustic sensor and / or an ultrasonic sensor, a temperature sensor for measuring a Temperature of a pressure transmission medium, an acceleration sensor for measuring a mass inertia, a conductivity sensor for measuring the medium conductivity, a viscosity sensor for measuring the viscosity of the medium and a device for measuring different guide friction.
  • a sensor for measuring a medium quality eg an optical sensor and / or an acoustic sensor and / or an ultrasonic sensor
  • a temperature sensor for measuring a Temperature of a pressure transmission medium
  • an acceleration sensor for measuring a mass inertia
  • a conductivity sensor for measuring the medium conductivity
  • a viscosity sensor for measuring the viscosity of the medium
  • a device for measuring different guide friction e.g an optical sensor
  • a static or dynamic pressure acting perpendicular to the working direction of the pressure transmission medium is preferably measured.
  • pressure sensors for example, capacitive sensors or piezoelectric sensors are used, which manage without moving parts and can be used in the typical pressure range of preferably 1 bar to 150 bar.
  • thermocouple For the measurement of a temperature of a pressure transmission medium, for example, a thermocouple or a resistance thermometer are used, which can be used in a wide temperature range, for example from - 25 0 C to 95 ° C. Both sensor types guarantee a compact sensor design.
  • the optical sensor for measuring a pressure transmission medium quality measures, for example spectrally resolved in a suitable light wavelength range of preferably 635 nm to 950 nm, the optical transmission of the medium.
  • the transmission-reducing particles for example foreign particles or lumps of a pressure-transmitting fluid, or gas bubbles are detected.
  • changes in optical properties of the pressure-transmitting medium are detected.
  • a spectral transmission is used or else a spectrally integrated transmission.
  • the light source is, for example, a halogen incandescent lamp or another spectral light source, or in special applications also one or more LEDs, which in particular also a compact design is guaranteed.
  • One or more photodiodes or a photodiode array are preferably used as the detector.
  • spectral filtering for example, narrowband used optical optical filters or a wavelength dispersive element.
  • a transmitter and receiver optics of the optical sensor is preferably arranged in a Meßzangenkonfiguration or opposite to the ends of a U-profile, which projects into the pressure transmission medium.
  • scattered light is also detected, for example, on these objects, preferably with a detector located outside the geometric beam path.
  • Undesirable gas bubbles can occur, especially at elevated temperatures in a pressure transfer fluid.
  • a measurement by means of an ultrasonic method is used instead of an optical measurement.
  • an ultrasonic signal is coupled into the pressure transmission medium with an ultrasound probe.
  • An ultrasonic signal reflected at particles and / or gas bubbles is recorded, for example, with a sound transducer and converted into an electrical signal.
  • a minimum size of detectable particles is set by the choice of an ultrasound frequency, the minimum size generally increasing with the ultrasound frequency.
  • particles and gas bubbles can be detected down to a diameter of 6 ⁇ m.
  • acoustic sensors are also used in conjunction with ultrasound probes for measuring a flow velocity of a pressure transmission medium.
  • a transit time difference between two ultrasonic pulses emitted in and against a flow direction of the pressure transmission medium is measured, and from this an average flow velocity is derived.
  • no material parameters, such as, for example, a density of the pressure-transmitting medium, are necessary for this purpose.
  • a resistance measurement is carried out, for example, with the aid of electrical test electrodes which are brought into contact with the medium and are defined at a defined distance. This is for example a measured over the electrodes by the pressure transmission medium test current and the associated voltage measured.
  • a friction wheel sensor For example, a friction wheel sensor is used, which in particular has an optionally deactivatable brake coil.
  • the pressure transmission medium flows perpendicular to a rotation axis of a friction wheel.
  • the friction wheel By an asymmetric flow the friction wheel is driven, which is provided with a brake coil.
  • a temperature necessary for determining a meaningful viscosity is measured, for example, with a temperature sensor described above or else with a separate temperature sensor integrated in the viscosity sensor.
  • the arrangement also makes it possible to measure a flow velocity of the pressure-transmitting medium.
  • Pressure transmission medium measures, for example, at least one other sensor used to measure at least one other of the property of the pressure transmission medium different property of the hydraulic conveyor system or lifting machine to be tested.
  • an inertia measuring module is used, for example, to measure the mass inertia force which occurs during an accelerated movement of a mass with a force measuring device.
  • the acceleration is measured with micromechanical acceleration sensors. For example, in an exam, it is of interest to accelerate the mass of a load-handling device.
  • a plurality of sensors are accommodated in a common sensor housing.
  • a sensor housing contains a light spectrum measuring module, a temperature sensor, a medium conductivity sensor and a pressure sensor.
  • several sensors can be compact and thus save space in a common housing.
  • a common housing is preferably made of metal or plastic.
  • a common housing has a common preferably mechanical interface for a plurality of sensors to be tested system. This interface is realized for example as a flange, preferably as a round flange.
  • connection points to be provided on the device to be tested for sensors can be correspondingly reduced.
  • the various measured variables it is possible, in particular, for the various measured variables to be recorded at the same measuring location. This is particularly useful for the measurement of a viscosity, which should always be measured using a temperature.
  • a first housing contains the first sensor, which is a pressure sensor, and a temperature sensor
  • a second housing contains, for example, an ultrasound measuring module for measuring the pressure transmission medium quality and a conductivity sensor.
  • sensors which are in contact with the pressure-transmitting medium are designed such that the sensor housing on the sensor side hermetically seals the pressure-transmitting medium and thus the pressure circuit from the environment.
  • the sensor with its housing is constructed in such a way that a fastening device, preferably a plug-in device, is provided on the side of its housing facing away from the pressure-transmitting medium, to which an evaluation unit can be plugged and / or by means of which the measuring signal is tapped at electrical contacts can be.
  • At least one of the sensors is fixedly connected to the device, in particular the system to be tested.
  • the device according to the invention in particular the measuring device according to the invention, contains at least one memory for storage at least one measurement value measured with at least one sensor and / or for storing at least one plant-specific characteristic value that can be stored in the memory and / or at least one safety-related specification.
  • a battery-buffered volatile RAM-semiconductor memory device is used for a memory.
  • other, in particular non-volatile memory modules can also be used.
  • EEPROM memory devices or magnetoelectronic memories are used.
  • each sensor is equipped with a memory.
  • memory may be useful in a number of types of applications described below.
  • the device in particular the measuring device, comprises means for evaluation, in particular an evaluation unit, for automatically taking into account at least one measured value measured at least with the first and / or the second sensor and / or data stored in a memory a determination of a test result of a monitoring.
  • the measurement signal outputs of corresponding sensors are permanently wired to an evaluation circuit, so that, for example, sensor output voltages are added to a test result total voltage.
  • the evaluation is preferably carried out with an evaluation unit which links, as input variables, for example, data measured at least with the first sensor and / or the second sensor and / or in a memory to a test result with the aid of an evaluation logic. Rules and algorithms used in an evaluation are stored and implemented, for example, in a microprocessor. The evaluation preferably takes place on the basis of defined characteristic diagrams. For example, the evaluation can also be done on the basis of stored in the memory tables.
  • system-specific characteristic values in particular structural characteristics and / or process characteristics of a respective hydraulic conveyor system or lifting machine, as well as safety-related specifications are automatically taken into account when determining a test result.
  • plant-specific characteristic values and / or safety-related specifications are preferably stored in a memory.
  • the specifications are for example stored permanently in the memory.
  • the rated load for example the load of a lifting device of a hydraulic elevator, is entered.
  • the effective piston area is entered as a result of one or more piston surfaces of the hydraulic system, so that it can be determined based on the dynamic pressure, the forces actually acting on the piston.
  • the eccentric arrangement of the load receiving means with respect to the guide rails which accumulates for the guide friction value to be entered separately, which is inherent in the system and known by measurement, is entered.
  • a starting acceleration is input.
  • a viscosity factor of a pressure transfer medium used is input and preferably compared with a measured viscosity value, so that degradation of the pressure transfer medium, for example by partial decomposition of the hydraulic oil molecules of a used hydraulic oil of a hydraulic elevator installation, can be determined.
  • a thickening of a hydraulic oil can be detected.
  • Such inputable parameters are preferably included in the evaluation algorithm.
  • parameters stored in a memory are used as further input variables with the evaluation logic, which can be used for example. is implemented in a microprocessor.
  • a graduated evaluation of a test result is carried out with the aid of a suitable testing and evaluation algorithm, taking into account preferably different measured values and system parameters.
  • a trend within different test results can preferably be identified with the algorithm used.
  • significant safety deficiencies which must lead to a negative test results, can be identified, which could not have been identified as such with a single pressure measurement.
  • the result of the test is negative if the light spectrum measuring module identifies safety-relevant foreign particles in the pressure transmission medium Although pressure characteristics considered in isolation are within the specified tolerances.
  • measurement takes place with the first sensor and at least the second sensor with a temporal relationship, for example offset in time or in parallel.
  • a test procedure for example, to perform time-offset measurements with the respective sensors.
  • a test program is run through with different stress levels, the results of which are combined into a single test result.
  • the load levels may be, for example, different starting or braking accelerations or different loading stages, for example, a hydraulic elevator.
  • the measured values are recorded by a timer or manually controlled.
  • temporally parallel measurements are also possible.
  • the device in particular the measuring device, includes at least one transmitting and at least one receiving unit, which are connectable to at least one sensor and / or at least one evaluation unit and / or at least one external data processing system, for radio and / or wired and / or infrared-bound transmission and / or reception of data for communication between at least one sensor and / or at least one Awerts uncomfortablestrom and / or at least one external data processing system.
  • a transmitting and / or receiving unit is linked to an input / output scanning module to take account of external data in the input and an output to external receivers.
  • a scan module for example, individual input and output data can be sequentially read in and out and, for example, stored in a memory.
  • a stream-based data transmission is provided.
  • the communication preferably does not take place with input and output data sent separately in individual data packets but rather with a data stream which may contain data in any order and composition.
  • an identification code is preferably exchanged and checked, which prevents unauthorized manipulation.
  • a radio, wire or infrared bounded data transmission preferably a radio, wire or infrared bound data input and data output is made possible.
  • a radio-bound variant is particularly advantageous in spatially widely spaced and difficult to access measuring points.
  • An infrared-bound variant is preferably used in environments in which insensitivity of the
  • radio-linked variant in particular, several systems within an entire system park are simultaneously monitored safety-related with the aid of a PC center.
  • this allows real-time monitoring of one or more systems during normal operation. This is useful, for example, in the development of prototypes of hydraulic conveyors or hoists for identifying critical equipment conditions.
  • radio-bound variant is also preferably used in mobile hydraulic conveyor systems or lifting machines, for example on construction sites.
  • transmitting and receiving modules are also provided for inputting plant-specific characteristic values to be entered into a memory provided for this purpose.
  • a data processing system equipped with a transmitting and receiving module is provided for input.
  • the data processing system is configured in a further variant as a handheld.
  • the device in particular the measuring device, is equipped with a data encryption and / or decryption.
  • the data encryption and / or decryption is preferably integrated in the transmitting and / or receiving unit.
  • an encryption of data in particular also takes place at least one sensor.
  • data is stored encrypted in a memory.
  • the device in particular the measuring device, has a modular structure, specifically such that different sensors are combined to form sensor groups in a respective housing.
  • the measuring device contains in a further variant also one or more sensors for measuring at least the above-described other system parameters such as a starting acceleration.
  • the measuring device or at least parts thereof are designed in an advantageous embodiment so that they are repeatedly releasably connectable to the system to be tested. This is utilized in particular in the case of repeated temporary technical inspection of hydraulic conveying systems or lifting machines, in particular hydraulic elevator systems.
  • sensors preferably accommodated in one or more housings for measuring measured variables of the pressure-transmitting medium are connected, for example, to a flange or to a plurality of flanges on a hydraulic line.
  • a connection can also be made at any other suitable point in the pressure transmission circuit.
  • further sensors for measuring, for example, other system properties are connected to the hydraulic conveyor system or lifting machine in a repeatable detachable manner at suitable locations.
  • a mass inertial force meter for measuring an acceleration of an elevator cage is fastened to the latter in a repeatably detachable manner.
  • the evaluation unit is attached to the sensor, for example with the aid of a fastening device provided on a sensor, preferably a plug-in device, wherein the measurement signal can preferably be tapped off at electrical contacts of the plug-in device.
  • the evaluation unit is designed as a handheld. This is preferably equipped with a transmitting / receiving unit, with the help of which measurement data from also equipped with transmitting / receiving units sensors, preferably contactless, can be read.
  • the sensors remain in particular over a longer period or permanently on the system, whereby an otherwise necessary opening of the pressure circuit for mounting sensors for a new measurement is avoided.
  • at least one of the sensors is fixedly connected to the device, in particular the system to be tested, at least one evaluation unit for transmitting measured values measured with the respective sensor can be plugged onto and / or connected thereto.
  • This variant may be advantageous, in particular in the case of measuring points located far away from one another in a location where wiring for a temporary measurement appears too expensive.
  • such a solution is realized with reversibly separable connections between sensors and an evaluation unit.
  • the test cycle provides, for example, that a tester connects an evaluation unit sequentially to a series of stationary sensors and the corresponding measured values are recorded there by the sensor, which is stored in a memory of the evaluation unit and at the end of a measurement with the last sensor for the overall test result be linked.
  • the order is preferably predetermined by the evaluation unit.
  • sensors themselves contain a memory so that it can already contain measured values which were recorded, for example, on the basis of a timer control. When connecting to an evaluation unit, these already measured values are transmitted to the evaluation unit.
  • the acquisition of measured values in accordance with the method described above takes place without contact with a handheld device, instead of with a plug-on evaluation unit.
  • the same evaluation unit is used in particular for different compatible sensors, in particular for several elevator systems, which represents a cost-effective variant.
  • a light spectrum measuring module only one optical system for coupling the measuring light and coupling the measuring light into a sensor housing is integrated.
  • the remaining part of the light spectrum measuring module in particular the necessary light source together with the detector and spectral light separation, are preferably accommodated in an attachable evaluation unit.
  • the connection takes place, for example, with the aid of fiber optic coupling plugs.
  • the connectivity between the means for evaluation and at least the first and the second sensor can be separated exactly once irreversibly. Preferably, a later unauthorized measurement and / or an unauthorized manipulation of a test result is excluded.
  • a renewed connection can preferably be restored only after a reconditioning of the connectivity to be provided.
  • the connectivity is designed so that a multiple reversible separation of the compound, for example, three times, is possible and the compound can then be separated once irreversible.
  • the irreversible separability can be realized for example by latching means, which are destroyed during separation.
  • the device in particular the measuring device, includes a display module.
  • the display module has, for example, a display, preferably a liquid crystal display, for the alphanumeric representation of data and for the graphical representation of, for example, measurement data and serves in particular for communication with a user.
  • the display module has, for example, a loudspeaker for outputting an acoustic warning or advisory tone and / or an optical status display, preferably via a plurality of differently colored indicator lights.
  • a bar code data memory in particular for storing test results is provided.
  • at least a part of the test results is stored on the barcode data memory.
  • EAN European Article Number Code
  • the bar code data memory is preferably designed as an optically variable display element, for example as a graphic LCD display.
  • the device includes an electronic memory test badge having a time-limited validity certificate.
  • a memory test sticker of the device which includes a memory for storing at least one test result and / or one or more specific plant characteristics.
  • test results with high protection against counterfeiting are archived on the memory test badge.
  • this preferably contains an additional bar code memory.
  • the electronic memory test badge is also equipped with a transponder and / or a transmitting / receiving unit. In this way, for example, an advantageous remote query the electronic memory test badge.
  • 1 is a schematic cross section of a measuring device
  • Fig. 4 is a schematic representation of an external data processing system / PC center and
  • Fig. 5 is an electronic memory test sticker.
  • a sensor housing 1 which contains a sensor unit 2 together with a first plug connector 3 designed as a socket, which forms a counterpart to a second plug connector 4 designed as a plug, is connected to a pressure transducer.
  • Compression medium comprehensive hollow body 5 in which the medium to be tested, the
  • Pressure transmission medium 6, is connected.
  • the sensor housing 1 is constructed of metal in this example.
  • the connection takes place at a reservoir for the pressure transmission medium 6.
  • the connection can also be made, for example, on a line for pressure transmission.
  • a static pressure is measured with a first sensor.
  • a dynamic pressure in a Pitot configuration and / or for measuring a viscosity of the pressure transmission medium 6 an end of the sensor unit facing the medium in a variant not shown here projects into the cross section of the hollow body comprising the pressure transmission medium, contrary to the representation shown here 5 into it.
  • an evaluation unit 7 connects, which has a plug connector designed as a second connector 4.
  • the two plug-in connectors 3, 4 form a detachable plug connection.
  • the connector ensures both a mechanical and a signal and data transmission connection of the sensor unit 2 and evaluation 7.
  • the evaluation unit 7 is hermetically separated from the pressure transmission medium 6.
  • the first connector 3, not shown in detail here, is a socket arrangement for a number of electrical contact pins and the second connector 4 is a plug arrangement for a number of electrical contact pins.
  • the plug connectors in particular also have a coupling for optical fibers.
  • the connector is secured with a union screw not shown here against unwanted loosening.
  • the sensor unit shown in FIG. 2 includes a pressure sensor 8, and in this example a second sensor 9, a third sensor 10 and a fourth sensor 11, wherein the individual sensors are shown here only schematically in a one-piece module.
  • the second sensor 9 is an optical sensor, in this case a light spectrum measuring module
  • the third sensor 10 is a medium temperature sensor
  • the fourth sensor 11 is a medium conductivity sensor.
  • the measuring signals of the sensors 8, 9, 10, 11 are applied to contacts not shown here on the part 4 of the connector, from where they are taken in the evaluation.
  • the sensor unit is designed so that it can be exchanged for other sensor units by a sensor unit is removed from a sensor housing and a new one is used.
  • sensor unit and sensor housing can also be a single component.
  • an evaluation unit 7 is shown again in detail. From the plug-in device 4, the measurement signals are passed to a multiplex module 12, where they are cached. In particular, the individual sensor signals are sequentially read out with the multiplex module. From the memory of the multiplex module but also on a direct path single or multiple measurement signals are transmitted to an evaluation logic 13 with a memory 14 connected thereto.
  • the evaluation logic 13 is implemented in this example with a microprocessor.
  • the evaluation logic 13 is programmable for the implementation of various test and evaluation algorithms, the programming being carried out in the selected example via the data transmission interface 18 with the aid of an external data processing system 19, a computer.
  • the evaluation unit 7 also has a power supply module 15.
  • the power supply module 15 is realized with regard to the mobile application with batteries or a battery.
  • the evaluation unit 7 has a connection for an external power supply.
  • the voltage supply of at least the first and the second sensor also takes place via the power supply module 15 of the evaluation unit 7, so that no electrical connections have to be provided on the part of a hydraulic conveyor system or lifting machine to be tested.
  • the evaluation unit 7 has a display module 16. With this display module 16, the communication between the measuring device and the user takes place. It is an alphanumeric display with the ability to graph data in addition. Furthermore, status lights and a speaker or buzzer are provided, whereby, for example, a tester as a test result as simple optical or acoustic binary "YES / NO" signal can be output.
  • the evaluation unit 7 preferably has an input / output scanning module
  • this input / output scan module 17 inputs various specific system data (such as nominal load, effective piston area, eccentric load acceptance, guide friction value, acceleration approach, viscosity factor of the medium, etc.) that is useful for the evaluation algorithm and is to be entered by a tester. Due to the integrated transmitting and receiving unit, the data to be entered is preferably input via a computer with a connected transmitting and receiving unit.
  • various specific system data such as nominal load, effective piston area, eccentric load acceptance, guide friction value, acceleration approach, viscosity factor of the medium, etc.
  • test result is generated with the aid of an evaluation algorithm.
  • This test result is preferably acoustically and / or optically signaled as a binary YES / NO statement via the display module 16, as well as provided in quantitative form via the display module 16 and preferably also via the input / output scanning module 17 for further processing ,
  • the further processing of the data, for further data analysis of several test series and several systems, takes place in an external data processing system in which a comprehensive archiving of several test results of several systems takes place.
  • results obtained and data are wired via a connected to the evaluation logic 13 with the associated memory 14 interface
  • the wired interface 18 is e.g. realized as a serial USB interface.
  • the results and data are also sent radio or infrared bound.
  • the wire, radio or infrared-bound data transmission is encrypted here.
  • the data transmission takes place in the form of digital signals, for which the evaluation unit 7, for example, also contains an analog-digital converter circuit.
  • the digital data transmission is equipped with error correction methods, whereby a Falsification of the transmitted measurement results due to electromagnetic interference is minimized.
  • a suitable and known in the art methods and algorithms for encryption using a 128-bit key, a protection against manipulation of the data transmission is ensured.
  • an interface 20 for wired communication which is also implemented here as a USB interface
  • an input / output scan module with integrated transmitting and receiving system 21 for the infrared and radio-bound communication about this input / output scan module 21 also be described above and transmitted to the data processing system 19, for example, by an auditor system parameters to the evaluation.
  • results and data are output to an electronic memory tester 22 shown in FIG.
  • This electronic memory test badge 22 is attached directly to the equipment to be tested, preferably so that it can not be removed and manipulated nondestructively.
  • the memory test badge 22 preferably has a valid validity certificate valid for a limited time.
  • it preferably has a data memory chip.
  • it is equipped in particular with an integrated transponder 23.
  • an output is also effected by means of a bar code data memory module 24 which is integrated in the electronic memory test badge 22.

Landscapes

  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Types And Forms Of Lifts (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Elevator Control (AREA)

Abstract

L'invention concerne un dispositif et un procédé associé pour contrôler la sécurité d'une installation de transport ou d'une machine de levage hydraulique, en particulier d'un système élévateur hydraulique. Le dispositif selon l'invention comprend au moins un capteur servant à mesurer une pression régnant dans le fluide transmetteur de pression (6) de l'installation de transport ou de la machine de levage hydraulique, en particulier du système élévateur hydraulique, ainsi qu'au moins un autre capteur destiné à mesurer au moins une autre grandeur de mesure de l'installation de transport ou de la machine de levage hydraulique à contrôler, cette autre grandeur de mesure étant différente de la pression.
EP05820638.4A 2004-12-14 2005-12-10 Capteur de pression multifonctionnel et procede associe Active EP1828042B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200410060006 DE102004060006A1 (de) 2004-12-14 2004-12-14 Multifunktionaler Drucksensor und zugehöriges Verfahren
PCT/EP2005/013279 WO2006063751A2 (fr) 2004-12-14 2005-12-10 Capteur de pression multifonctionnel et procede associe

Publications (2)

Publication Number Publication Date
EP1828042A2 true EP1828042A2 (fr) 2007-09-05
EP1828042B1 EP1828042B1 (fr) 2019-02-20

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EP (1) EP1828042B1 (fr)
DE (1) DE102004060006A1 (fr)
WO (1) WO2006063751A2 (fr)

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DE102008022416A1 (de) 2008-05-06 2009-11-12 TÜV Rheinland Industrie Service GmbH Beschleunigungsmessung an einer Aufzugseinrichtung
DE102008034624B4 (de) * 2008-07-25 2010-04-01 Tsg Technische Service Gesellschaft Mbh Exakte Prüfung der Absinkverhinderungseinrichtung von Hydraulikaufzügen
CN104973475B (zh) * 2015-05-19 2017-11-03 绍兴市特种设备检测院 一种电梯质量安全指数的监控方法

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DE102004060006A1 (de) 2006-07-06
EP1828042B1 (fr) 2019-02-20
WO2006063751A2 (fr) 2006-06-22
WO2006063751A3 (fr) 2006-09-28

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