WO2009135631A1 - Absinkverhinderungsvorrichtung - Google Patents
Absinkverhinderungsvorrichtung Download PDFInfo
- Publication number
- WO2009135631A1 WO2009135631A1 PCT/EP2009/003182 EP2009003182W WO2009135631A1 WO 2009135631 A1 WO2009135631 A1 WO 2009135631A1 EP 2009003182 W EP2009003182 W EP 2009003182W WO 2009135631 A1 WO2009135631 A1 WO 2009135631A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pressure
- model
- simulation module
- prevention device
- data
- Prior art date
Links
- 238000000034 method Methods 0.000 claims abstract description 24
- 238000004088 simulation Methods 0.000 claims description 46
- 230000002265 prevention Effects 0.000 claims description 24
- 238000012545 processing Methods 0.000 claims description 15
- 238000005259 measurement Methods 0.000 claims description 10
- 230000003068 static effect Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000004422 calculation algorithm Methods 0.000 claims description 6
- 238000004590 computer program Methods 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 claims description 3
- 238000013178 mathematical model Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 description 31
- 238000011161 development Methods 0.000 description 10
- 230000018109 developmental process Effects 0.000 description 10
- 238000005457 optimization Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 5
- 239000000725 suspension Substances 0.000 description 5
- 238000011109 contamination Methods 0.000 description 4
- 238000012795 verification Methods 0.000 description 4
- 238000012935 Averaging Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/028—Safety devices separate from control system in case of power failure, for hydraulical lifts, e.g. braking the hydraulic jack
Definitions
- the invention relates to a Absinkverhi minimumsvortechnisch a conveyor system with a hydraulic actuator.
- the Absinkverhi minimumsvorraum prevents a lowering of an actuator of the conveyor system in case of leakage in a hydraulic system of the conveyor system. For this purpose, sufficient pressure is constantly built up by the Absinkverhi mecanicsvorraum that the actuator can be kept or readjusted in particular in an uppermost position.
- a conventional check for example, a hydraulic elevator system by means of a load in the car, wherein a leak simulated via a bypass in Hydaulaulsystem and a sinking of the car is provoked.
- a further possibility for testing is that all pressure characteristics of a drive cycle are determined by means of a pressure sensor, and these values are evaluated, for example, in terms of computer technology for the effect of the fall prevention device.
- the sensor must be firmly installed on the conveyor system.
- a statement about further possibly relevant operating characteristic values is not possible.
- self-sufficient multifunctional pressure sensors are used in combination with other sensors to obtain information on further operating characteristics.
- An anti-sink device also referred to as catch-up device, is disclosed in DE 195 21 519 A1, to which reference is hereby made in its entirety in the context of this disclosure.
- the object of the invention is to provide a Absinkverhi regardssvoroplasty available by means of a simple and inexpensive statement about the function of the same is feasible.
- An embodiment provides that a check of the Absinkverhi mecanicsvortechnische without permanent monitoring of the hydraulic or the hydraulic pressure and / or other parameters of the elevator system by means of sensors. Furthermore, by means of the mathematical model, a prediction can be made as to how the fall prevention device behaves when individual parameters are varied. For example, from an unloaded car to a loaded car or from a summer to a winter operation can be closed.
- the model includes, for example, an elevator hydraulic model into which the relevant parameters for an elevator operation can be fed.
- parameters such as a temperature, in particular an oil temperature, a viscosity, a conductivity, a pressure medium contamination, a load and / or a guide friction can be fed into the model.
- characteristic values such as type of lifting system, type of suspension - for example backpack suspension, a piston diameter, a static pressure, a car rope cut number, a nominal load and / or a number of lifters or adjusting means can also be included in the model.
- the anti-sag device checks the first pressure.
- the first pressure largely corresponds to a static pressure in the actuating means and is simulated by means of the model.
- a second pressure is determined by means of the model, which represents a static pressure to be targeted and / or a minimum necessary anti-sink pressure.
- the pressure to be applied may be a pressure of a hydraulic system or of the hydraulic actuating means which is necessary in order to hold the actuating means and thus the car of the elevator installation in a position without this sinking or rising.
- the pressure to be addressed may be a pressure necessary to move the car at a defined speed or at a certain speed May 4, 2009
- the minimum necessary Absinkverhi tangiblestik is the pressure in the actuating means or in the hydraulic system of the conveyor, which just prevented a drop in the actuating means or the car yet.
- a further development provides that by means of the Absinkverhi mecanicsvoriques a first pressure is simulated, which represents a controlled variable and / or a second pressure is simulated, which represents a reference variable.
- the controlled variable and / or the reference variable are fed into a control circuit, which in particular prevents a lowering of the actuating means.
- a virtual control is thus possible in which both the controlled system or the controlled variable and the reference variable can be determined mathematically.
- Sensors can be dispensed with at least temporarily during operation of the elevator installation.
- a readjustment of the respective parameters is sufficient to adapt the model to new circumstances.
- a temperature or a temperature range can be adapted to changing climatic conditions in the model. This can be done both manually via an input into the Absinkverhi mecanicsvortechnisch and automatically via a calendar control or via a temperature sensor.
- a calendar controller adjusts an outdoor temperature range according to a season.
- empirical values are used here.
- an intervention in the model is provided in a variant.
- an automatic adaptation of, for example, the pressure medium contamination for example, of an oil of the hydraulic device as a function of the period of time which has elapsed since the last change thereof, is provided.
- a further embodiment provides that the Absinkverhi mecanics worn at least temporarily reads a pressure characteristic of the elevator system, in particular the actuating means and / or at least one other parameters of the elevator system.
- the read-in parameters are fed into the model.
- the pressure parameter and / or parameter to be read in are read in by means of at least one sensor and / or entered manually.
- an input can be made via a keyboard which, for example, can be temporarily connected to the anti-sabotage device.
- the sensors can also be temporarily connected in one embodiment. Thus, a costly permanent installation can be omitted and the sensors can be used on changing elevator systems. INS May 4, 2009
- the sensor signals are fed directly or after an automatic processing in the Absinkverhi tangiblesvorraum.
- An automatic processing can be done for example by means of an analog or digital filter. Also provides a variant that the parameters of the elevator system are measured and entered manually.
- the parameter simulated in the model is compared with at least one read-in pressure parameter and / or a further parameter.
- a statement about the state of the sinking prevention device and / or the quality of the model can be generated.
- the simulated parameter is subjected to a plausibility check.
- the simulated parameter can, in particular if it has failed a plausibility check, be optimized by means of the read-in parameters. This is preferably done in an iterative calculation method, whereby, for example, the simulated parameter is examined for plausibility, and if the simulated parameter is evaluated as implausible, the imported parameter is included in the model.
- a weighting of the pressure characteristic values and / or a selection of these is carried out, in particular, according to extreme values. This can be done in particular by means of a filter. It is also provided in a development that further read-in parameters are filtered, selected and / or weighted. In particular, an averaging of the pressure characteristics and / or the read-in parameters is provided.
- a measuring interval is determined in a further development.
- the measuring interval is designed such that at least one extreme value can be found in a means. It can also be provided that the measuring interval is designed in such a way that a resolution of the measurement allows a determination of an extreme value. In particular, it is provided in a development that a May 4, 2009
- Measuring interval is limited, with upper and lower limits are determined for the measurement interval. In particular, averaging of the read-in values takes place over a duration of a measurement interval. Furthermore, it is provided in a version that in particular the extreme values are stored for later further processing. In particular, these are stored in a buffer of the evaluation unit.
- An exemplary embodiment of the method provides that pressure characteristic values and at least one further parameter of the conveyor system are read in.
- the pressure characteristics are weighted, averaged and selected according to extrema, the pressure characteristics and / or parameters being stored in a buffer.
- a model of the conveyor system is formed by means of an algorithm, taking into account the data stored in a library memory and in the intermediate memory, wherein a statement about a Absinkverhi mecanicstik is generated by means of this model.
- a method for generating a mathematical elevator hydraulic model that replicates a hydraulic elevator installation with a pressure medium, wherein a detected signal which characterizes a pressure of the pressure medium is correlated with variable operating parameters, characteristics and safety regulations of the elevator installation to be considered in a processor unit ,
- the characteristics of the elevator installation, the variable operating parameters and the safety regulations to be taken into account for the elevator installation can be entered and temporarily stored via a data input channel.
- variable operating parameters of the elevator installation comprise at least a verification factor, an oil temperature, a viscosity, a temperature, a conductivity, a pressure medium contamination, a print medium quality, a mass inertial force of a load and / or a guide friction.
- the characteristics of the elevator installation may include at least one load capacity, a direct / indirect lift system, a backpack suspension, a piston diameter, a piston area, a static pressure, a car rope cut number, a nominal load and / or a lift number.
- At least actual signals are recorded during a drive cycle of the hydraulic elevator system, which characterize the pressure of the pressure medium.
- the actual signals are particularly weighted by signal technology.
- the weighted actual signals can be scanned by signal technology for minimum and maximum extreme values.
- a limited measuring interval with a lower and upper limit is determined from the extreme values. In particular, the extreme values in the limited measuring interval a- May 4, 2009
- a further development provides that in the limited measuring interval of arithmetically averaged signals, a selection of actual values takes place by means of an assignment of an upward, downward or overpressure of the elevator installation.
- the selected ACTUAL values can also be stored as marked ACTUAL characteristic values in a further development.
- an embodiment provides that the desired values are compared with the actual values by correlating the generated desired values with the selected actual values. Upon detecting a deviation of the generated desired values from the actual values, which is greater than the verification factor, an iterative calculation method is carried out for optimizing the desired values, which characterize the mathematical elevator hydraulic model.
- Another aspect of the invention provides a computer program product for generating the method described above. This can be implemented on a personal computer or on a data processing system of the elevator installation. It is also provided in a variant that the computer program product is integrated in a system for elevator management of one or more elevators.
- an idea of the invention relates to a simulation module for checking a fall prevention device of a hydraulic conveyor system, in particular an elevator system, wherein the simulation module has at least one data input channel, a buffer, a library memory, a data output device and a data processing unit. Pressure characteristics and at least one further parameter of the conveyor system can be read in by means of the data input channel, and a model of the conveyor system can be created by means of the data processing unit.
- a model of the conveyor system can be created by means of the data processing unit.
- a simulation module may in particular comprise a data processing system.
- the simulation module can be designed to be self-sufficient, so that it can be operated independently of the fall prevention device or of the elevator installation. It is also provided that the simulation module to the Absinkverhi precisesvorplatz May 4, 2009
- the simulation module can be connected to load in particular data such as sensor data in the simulation module and / or control or control tasks of the Absinkverhinde- tion device to take over. It is also provided that the simulation module is integrated in the Absinkverhi matters estrics worn or in a monitoring device for the elevator system.
- At least one data input device for manually or mechanically inputting data or at least one sensor is connected to a data input channel.
- the data input device may be, for example, a keyboard, a data transfer port or a removable disk drive. It is also provided in one embodiment that the data input channel interfaces for various data input options, such as at least one keyboard, a universal serial bus socket, a network connection, a removable disk drive, a sensor interface and / or a wireless radio interface.
- the simulation module has a sensor unit which has sensor interfaces.
- the sensor unit can be used spatially separated from the simulation model and have a transmission unit which transmits data from the sensors to the simulation module.
- the transmission unit can transmit the data to the simulation module via cable and / or infrared. It is also provided in one embodiment that the sensor unit stores the data, in particular on a removable disk.
- a device for characterizing a sinking of a hydraulic elevator installation with a pressure medium comprising an elevator hydraulic measuring unit, which can be operated separately from the elevator installation in particular, and an elevator hydraulic model.
- an elevator hydraulic measuring unit which can be operated separately from the elevator installation in particular
- an elevator hydraulic model In particular, a prediction of the sinking of the elevator installation can be generated by means of the elevator hydraulic model. It is also provided that the elevator hydraulic model can be operated separately from the elevator installation.
- the device comprises, for example, a sensor unit, a receiving unit, a data input channel, a processor unit with an implemented algorithm and a correlation unit, a first buffer, a second buffer, a library memory and a data output.
- the sensor unit can be connected to the device and separated therefrom.
- the elevator hydraulic model May 4, 2009
- the sensor unit has at least one sensor interface, a first buffer and a transmission unit.
- At least one first sensor for detecting a first signal characterizing a pressure of the pressure medium can be coupled to the sensor unit via a sensor interface.
- at least one second sensor for detecting a second signal which is different from a pressure and characterizes the pressure medium can be coupled to the sensor unit via the sensor interface.
- the data input channel comprises in one embodiment at least one manual input system, a sensor and / or an interface. Furthermore, a version is provided, wherein characteristics of the elevator installation, safety regulations to be taken into account as well as variable operating parameters of the elevator installation can be entered via the data input channel, which can be stored in the second buffer and / or in the library memory. Variable operating parameters of the elevator installation include at least a verification factor, an oil temperature, a viscosity, a temperature, a conductivity, a pressure medium contamination, a pressure medium quality, a mass inertial force of a load and / or a guide friction.
- Characteristics of the elevator installation include, for example, a load capacity, a direct / indirect lift system, a backpack suspension, a piston diameter, a piston area, a static pressure, a car rope cut number, a nominal load and / or a number of lifts.
- the device comprises a data output which has at least one optical display element, an acoustic output element and / or an interface.
- the elevator hydraulic model is at least based on the first signal, the second signal, the characteristics of the elevator installation, the variable operating parameters of the elevator installation, data stored in the second buffer and / or data stored in the library memory be generated.
- a further aspect of the invention provides for the use of a simulation module of a fall prevention device of a conveyor system which has at least one hydraulic actuator, wherein the simulation module is used to generate a mathematical model of the elevator installation.
- the simulation module is used to generate a prediction of a decay of the actuator. Furthermore, an embodiment is provided, wherein the simulation module is used to simulate a controlled variable and / or command variable of Absinkverhindernungs- device.
- a mathematical elevator hydraulic model is provided, wherein the elevator hydraulic model simulates a hydraulic elevator installation with a pressure medium and this is used to evaluate an effectiveness of a sink prevention device of the hydraulic elevator installation with variably specifiable operating conditions and regulations to be considered without the use of a real payload.
- Fig. 1 is a schematic view of a simulation module
- Fig. 2 is a schematic view of a sensor module
- Fig. 3 is a schematic view of a model optimization.
- the simulation module 1 shows a schematic view of a simulation module 1.
- the simulation module 1 has a data processing unit 2, a receiving unit 3, a data input channel 4, a data output device 5 as well as an intermediate memory 6 and a library memory 7.
- the receiving unit 3 is optionally switchable.
- the receiving unit 3 comprises at least one sensor channel, which is not required, for example, when the simulation module is operated in a model mode, in which the sensor data are simulated in particular or if the sensors are not present separately from the simulation module, but directly to the data channel 4 are connected.
- the data channel 4 can also have at least one keyboard, a removable data carrier drive and / or a further data input option. Furthermore, it is provided that by means of the data output device 5, a text, image, Leucht Jack- and / or sound output is possible. In particular, the data output device is a monitor.
- FIG. 2 shows a schematic view of a sensor module 8, which can optionally be coupled to the simulation module 1.
- a radio transmission of sensor signals by means of a transmission unit 9 is provided on the receiving unit 3.
- Sensors can be connected to the physical interfaces 10 to read out different parameters and parameters of the conveyor system.
- at least one pressure sensor for measuring a hydraulic pressure, a temperature sensor, an ultrasonic sensor, a viscosity sensor, a force sensor and / or a conductivity sensor is arranged on the physical interface 10.
- the sensor data are stored in a memory 11.
- the sensor module 8 can be connected to the simulation module 1 after a measurement cycle and the data stored in the memory 11 can be loaded into a buffer 7 of the simulation module 1.
- the sensor data of the physical interface 10 and / or the data input channel 4 can be used for generating a test statement, an optimization of the model and / or for monitoring a function of an elevator installation or a Absinkverhindernseinrich- device.
- the simulation module 1 has a model of a hydraulic elevator installation, wherein in particular in a library memory 7 characteristic values of the elevator installation are stored, which the model makes use of.
- the model is stored in the data processing unit 2 or one of these associated memory, not shown here.
- To verify sensor data 13 manually entered data 14, temporary characteristics 15 and specific data of the elevator system are fed into the simulation module.
- the sensor data 13 and / or the manually entered data 14 are supplied to a data processor 18.
- the data is weighted there by means of a filter.
- the data is then sent to a value check for minimum and maximum extremes. Based on the extreme values found, a measurement interval is defined with defined upper and lower limits. In this area, the sensor data is averaged. It is also envisaged that the ex- May 4, 2009
- 11 tremune assigned to a mode of operation of the elevator system such as downward, up or down and stored as marked values for later further processing in the buffer 6.
- the data processing unit 2 of the simulation module 1 comprises the model, wherein an algorithm of the model takes into account temporary characteristics 17 such as type of suspension of the elevator installation, verification factor, temperature, humidity, oil viscosity, force, and conductivity measurements. Furthermore, the manually entered data 14 are taken into account in a simulation mode and the sensor data 13 read in in the measurement mode. Also, specific data is included in the model, such as regulations to be considered, type of hydraulic system, number of lifters or number of actuators, piston diameter, piston area, static pressure and rated load. These data are related to each other and to the data in the intermediate and library memory by means of the algorithm, and a model of the given elevator system is created.
- temporary characteristics 17 such as type of suspension of the elevator installation, verification factor, temperature, humidity, oil viscosity, force, and conductivity measurements.
- the manually entered data 14 are taken into account in a simulation mode and the sensor data 13 read in in the measurement mode.
- specific data is included in the model, such as regulations to be considered, type of hydraulic system, number of lifters
- the model values can be used to determine an optimized static pressure and, in particular, a minimum fall prevention pressure.
- an optimization can be carried out after a minimum of energy expenditure.
- optimization takes place after a maximum possible security.
- an optimization may include several criteria, each having a weighting.
- These model values are checked for plausibility in a plausibility level 19, in particular by being correlated with the measured and possibly weighted and selected measured values from the intermediate memory 6. If the plausibility check is not passed, the model is optimized in an optimization stage 22 by means of the measured values. This learning takes place in particular iteratively, the iteration stages being monitored via an iteration query 20. In particular, the plausibility checks can be carried out differently depending on the iteration stage. If an iteration counter expires or if the simulated values are plausible, no further adjustment is made and a result output 21 is made. Depending on the test result, either a particular concrete error statement is issued or it is indicated that the test has been passed.
- the simulation module is completely self-sufficient operated by the elevator system.
- the simulation module can be designed as a PC measuring system. Furthermore, it is not necessary to test safety functions, such as a fall prevention by means of a payload May 4, 2009
- model mode and the measurement mode are operated in parallel or intersecting, for example, when some parameters are performed continuously or at cyclic intervals automatically from the elevator system, respectively, of these associated sensors.
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112009000801T DE112009000801A5 (de) | 2008-05-06 | 2009-05-04 | Absinkverhinderungsvorrichtung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008022415.4 | 2008-05-06 | ||
DE102008022415A DE102008022415A1 (de) | 2008-05-06 | 2008-05-06 | Absinkverhinderungsvorrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009135631A1 true WO2009135631A1 (de) | 2009-11-12 |
Family
ID=40941560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2009/003182 WO2009135631A1 (de) | 2008-05-06 | 2009-05-04 | Absinkverhinderungsvorrichtung |
Country Status (2)
Country | Link |
---|---|
DE (2) | DE102008022415A1 (de) |
WO (1) | WO2009135631A1 (de) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4309335A1 (de) * | 1993-03-17 | 1994-09-22 | Tech Ueberwachungs Verein Hann | Verfahren und Vorrichtung zum Prüfen hydraulischer Aufzuganlagen |
DE19521519A1 (de) * | 1995-06-13 | 1996-12-19 | Bayern Tech Ueberwach Verein | Verfahren zum Überprüfen einer Nachholeinrichtung eines hydraulischen Aufzugs |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4932502A (en) * | 1989-02-15 | 1990-06-12 | Inventio Ag | Hydraulic elevator system |
BR0213863A (pt) * | 2001-11-01 | 2004-12-21 | Verisign Inc | Processo e sistema para atualizar um banco de dados remoto |
WO2004061389A1 (en) * | 2002-12-31 | 2004-07-22 | D3D, L.P. | Laser digitizer system for dental applications |
-
2008
- 2008-05-06 DE DE102008022415A patent/DE102008022415A1/de not_active Withdrawn
-
2009
- 2009-05-04 DE DE112009000801T patent/DE112009000801A5/de not_active Ceased
- 2009-05-04 WO PCT/EP2009/003182 patent/WO2009135631A1/de active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4309335A1 (de) * | 1993-03-17 | 1994-09-22 | Tech Ueberwachungs Verein Hann | Verfahren und Vorrichtung zum Prüfen hydraulischer Aufzuganlagen |
DE19521519A1 (de) * | 1995-06-13 | 1996-12-19 | Bayern Tech Ueberwach Verein | Verfahren zum Überprüfen einer Nachholeinrichtung eines hydraulischen Aufzugs |
Also Published As
Publication number | Publication date |
---|---|
DE112009000801A5 (de) | 2011-06-01 |
DE102008022415A1 (de) | 2009-11-12 |
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