EP3353108B1 - Überwachungseinrichtung für eine aufzugsanlage - Google Patents

Überwachungseinrichtung für eine aufzugsanlage Download PDF

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Publication number
EP3353108B1
EP3353108B1 EP16774893.8A EP16774893A EP3353108B1 EP 3353108 B1 EP3353108 B1 EP 3353108B1 EP 16774893 A EP16774893 A EP 16774893A EP 3353108 B1 EP3353108 B1 EP 3353108B1
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EP
European Patent Office
Prior art keywords
monitoring device
assembly
limit value
brake
elevator
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
EP16774893.8A
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German (de)
English (en)
French (fr)
Other versions
EP3353108A1 (de
Inventor
David Michel
Simon ZINGG
Michael Geisshüsler
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.)
Inventio AG
Original Assignee
Inventio AG
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Filing date
Publication date
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Publication of EP3353108A1 publication Critical patent/EP3353108A1/de
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
    • B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
    • B66B1/32—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on braking devices, e.g. acting on electrically controlled brakes
    • 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
    • B66B5/0006—Monitoring devices or performance analysers
    • B66B5/0018—Devices monitoring the operating condition of the elevator system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B19/00—Mining-hoist operation
    • 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
    • B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
    • 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
    • B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
    • B66B5/06—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed electrical

Definitions

  • the invention relates to a monitoring device for an elevator installation, a mounting device for mounting shaft equipment and a method for monitoring a mounting platform.
  • Elevator systems are or will be installed in a building.
  • the elevator system consists essentially of an elevator car, which is connected by means of suspension with a counterweight or with a second elevator car.
  • a drive which acts selectively on the suspension means or directly on the elevator car or the counterweight, the elevator car and in a counter direction to the counterweight along substantially vertical guide rails is moved.
  • the lift system is used to move people and goods within the building over single or multiple floors.
  • the elevator system includes means to secure the elevator car in case of failure of the drive or the suspension means. These braking devices or safety devices are usually used, which can slow down the elevator car on the guide rails in case of need.
  • Such elevator systems are assembled in the building. This means that shaft material has to be installed in a lift shaft. For this purpose often mounting platforms are used. Such systems are known.
  • the preassembled elevator car or parts thereof is used as an assembly platform.
  • a speed limiter is used to monitor the mounting platform.
  • the mounting platform includes safety gears, which are actuated by the speed limiter, if necessary.
  • a braking device for securing an elevator car during assembly trips is presented.
  • a braking device of the mounting platform is either operated or released.
  • the invention aims to provide a monitoring device that is easy to use, safe to use and where possible reusable.
  • An assembly platform which is used for mounting shaft material of an elevator system is provided with electromechanically actuated safety gears. Furthermore, a monitoring device is provided on the mounting platform. The monitoring device is intended for use in the future elevator installation and is designed to monitor movements of an elevator cage of the future elevator installation. The assembly platform will thus be used to create the future elevator system. The monitoring device is designed to monitor during the assembly time movements of the mounting platform and to monitor the completion of the assembly, the movements of the elevator car.
  • the monitoring device includes at least one sensor system for detecting a movement variable of the elevator car and an evaluation device which is designed to evaluate the detected movement variable and to compare it with a limit value or with a set of limit values.
  • a signal output is switched and the safety device or a corresponding brake is activated by means of this signal output.
  • the monitoring device now comprises a test routine for determining a state of the monitoring device, and the monitoring device selects the limit value from predetermined limit values depending on this state.
  • the state of the monitoring device is understood to be an overall state of the monitoring device in a system. This means, for example, that the monitoring device is not connected to required systems which are required for the eventual operation of the monitoring device in the elevator installation. This takes into account the fact that not all elements of the elevator are present at the time of assembly. For example, elevator doors are missing, shaft information transmitters or control signals are missing. Likewise, there is often no or only a temporary power connection. In that the monitoring device itself detects the status or condition of the elevator installation or the monitoring device, it can put itself into a safe installation mode of operation or maintain it as long as necessary elements of the elevator are missing.
  • the predetermined limits include at least a mounting limit and a normal operating limit.
  • a state of the monitoring device is a mounting state.
  • the test routine indicates the mounting condition as long as predetermined connection elements to the monitoring device are missing.
  • the monitoring device selects from the predetermined limits as long as the mounting limit, as the test routine indicates the mounting state.
  • the evaluation device compares the evaluated amount of movement with the mounting limit value in order to switch the signal output when the installation limit value is exceeded and to activate the brake or the safety gear. This ensures that the assembly platform has a minimum level of protection right from the start and that an assembly team can operate the assembly platform safely.
  • At least one assembly limit and a normal operating limit includes each of a set of mounting limits or normal operating limits. The values determined in the set can be adapted to different assembly and normal operating phases or they can be adapted to different movement behaviors such as a jolt, an acceleration, a route or even a driving time.
  • the monitoring device in the assembled state further includes a reset function, which resets the signal output and allows a reset of the activated brake or safety gear, the reset function is manually triggered, or is automatically triggered when the evaluation detects an upward movement of the elevator car or the mounting limit during has fallen below a predetermined time.
  • This can be reset after setting the mounting platform, this easily.
  • the monitoring device actuates the safety gear.
  • the safety gear blocks a further downward movement.
  • the safety gear is usually self-locking executed. This means that the safety gear must first be unlocked, for example by an upward movement, before it can be disengaged.
  • the monitoring device can reset itself.
  • the entire safety device can be brought back into the operating state only by an upward movement.
  • the monitoring device in the assembled state includes a deadman circuit, so that when unmanned deadman switch the signal output switched and the Brake or the safety gear is activated.
  • a deadman circuit so that when unmanned deadman switch the signal output switched and the Brake or the safety gear is activated.
  • An installation specialist can load material by means of the assembly platform and move to a mounting location. During loading or during the mounting of material the dead man's circuit is deactivated. This means that the monitoring device triggers the brake or the safety gear, that is, brings it into a braking state.
  • the mounting platform is thus fixed to guide rails. This facilitates the work of the mounting platform.
  • In order to release the brake or the safety gear or to activate the dead man's circuit is a pedal, or a switch to operate continuously.
  • the installation specialist carries this out actively as soon as he wants to deliberately move the mounting platform. As soon as he releases the pedal or the switch, dead man's circuit is deactivated and the monitoring device triggers the brake or the safety gear.
  • the pedal or the switch is preferably designed so that the pedal or the switch is not accidentally pressed.
  • connection device which supplies the monitoring device with electrical energy in the assembled state.
  • the connection device in one embodiment includes a power supply for connection to a local electrical mains.
  • the connection device includes, for example, a buffer that can bridge short-term power outages.
  • connection device includes an energy module with at least one electrical energy store.
  • the energy store is designed to operate the monitoring device together with the associated brake or safety gear.
  • the energy store is preferably interchangeable if necessary.
  • the monitoring device can be operated substantially independent of the network.
  • energy storage devices are used, as they are used for battery-powered craft devices, such as a cordless screwdriver. These are easy to recharge and quickly exchangeable.
  • the energy module or the electrical energy store is provided with a charge control, which indicates an insufficient charge reserve.
  • the monitoring device activates the brake or safety gear when it falls below a predetermined charge reserve. This gives the assembly staff a good overview and can swap or recharge the energy storage in good time.
  • the terminal or power module includes a latch that maintains power to the monitor during replacement of the electrical energy store. This keeps downtimes short.
  • the connection device includes display elements for displaying an operating state of the monitoring device or also for displaying a driving speed.
  • this requires at most a further connection to the monitoring device, which can be realized, for example, via a communication connection point.
  • the sensor system for detecting the amount of movement includes at least two redundantly operating acceleration sensors, which detect an acceleration of the elevator car.
  • the assembly limit value indicates a limit acceleration and the signal output for activating the brake or the safety gear is switched when the detected acceleration exceeds the specified limit acceleration at most during a predetermined period of time.
  • the mounting limit indicates an allowable mounting speed and the signal output for activating the brake or the safety gear is switched when a speed value determined from the detected accelerations exceeds the indicated allowable mounting speed.
  • Acceleration sensors are particularly well suited because they work environment independent. You do not need an external interface. They can be built as an integral part of the monitoring device. Preferably, the monitoring device may already be mounted in the manufacturing plant on the mounting platform.
  • the assembly limit determines a travel speed of preferably about 0.3 m / s (meters per second), but not more than 0.5 m / s.
  • the assembly limit value determines, for example as a further assembly limit value, a maximum acceleration of the acceleration due to gravity corresponding to the value of 9.81 m / s 2 (meters per second squared).
  • the maximum installation limit is preferably set at a maximum of 6.0 m / s 2.
  • the installation limit value can also provide a time-weighted release.
  • the limit design preferably takes into account a characteristic of movement means, which are used to move the mounting platform. Typical means of movement here are a cable pulling device, a chain hoist or other lifting means.
  • Typical means of movement are a cable pulling device, a chain hoist or other lifting means.
  • the maximum speed must be at Mounting runs must be 0.5 m / s, or the monitoring device must activate the brake or safety gear no later than at a speed of 0.5 m / s. With the mounting limit of 0.3 m / s, there is sufficient safety distance to this safety-approved speed.
  • the safety regulations may vary from country to country. Accordingly, the limits to be monitored can be defined differently.
  • the assembly limit value comprises a time-weighted driving speed. This implies that, for example, when exceeding a travel speed of 0.2 m / s for a long time - which may mean, for example, that the mounting platform due to overload too fast slides down - the signal output for activation of the brake or the safety gear is switched.
  • another state of the monitoring device is a normal state and the test routine indicates the normal state as soon as predetermined connection elements are connected to the monitoring device or are ready for operation. Accordingly, the monitoring device selects the normal operating limit value from the predetermined limit values as soon as the test routine indicates the normal state and the evaluation device compares the evaluated movement variable with the normal operating limit value in order to switch the signal output and activate the brake or the safety gear when the normal operating limit value is exceeded.
  • the monitoring device can be seamlessly placed in a normal operating mode, which allows a normal operation of the monitoring device.
  • this step takes place when the mounting platform with cabin components, such as cabin, walls, car doors, roof and necessary controls is removed and the elevator system is provided with drive means, suspension cables and elevator control. From the time of the normal state, the monitoring device only releases operation of the elevator installation if the connected elements indicate a condition plausible for the sensor system of the monitoring device.
  • a changeover from the assembled state to the normal state is linked to further conditions.
  • an electronic confirmation of a completed decrease in quality of the cabin may be required.
  • the predetermined connection elements comprise at least one speed sensor, in particular a tachometer, for detecting a driving speed or a displacement sensor for the detection of distance units or a positioning system.
  • at least one further movement signal is usually used in addition to acceleration sensors. This further movement signal is used for the mutual plausibility check and for the refined exact evaluation of the movement process.
  • Speed sensor and displacement sensor for example in the form of an incremental encoder, are driven, for example, by deflection rollers or guide rollers.
  • the evaluation device thus uses, in the normal state, calculation algorithms which compute all the detected motion quantities with one another in order to arrive at a so-called verified or safe movement variable.
  • these devices are usually not yet available, and the corresponding slots in the monitoring device are not occupied. Therefore, the absence of this or these devices can be used as an indication that the elevator system is not yet fully assembled and that it can therefore only be operated in the assembly mode.
  • the evaluation device can thus use in the assembled state possibly other calculation algorithms, which are defined taking into account the available motion variables in the assembled state. This allows specific, assembly-related movement quantities to be monitored. This results in a secure solution, since in the assembled state, therefore, only an operation with the lowest driving speeds is necessarily possible, as long as the further motion signal or other relevant connection elements are missing.
  • the predetermined connection elements comprise a connection to an elevator control, to a safety circuit or to a power supply.
  • status information is often exchanged between elevator control and monitoring device. This can be maintenance information, operating information, etc. Such status information can be exchanged, for example via a bus connection such as a CAN bus.
  • the monitoring device is usually involved in a safety circuit of the elevator system. The monitoring device opens, for example, this safety circuit when it detects an uncontrolled travel movement of the elevator car or of course, when the safety gear is operated. An interruption of the safety circuit causes a shutdown of a lift drive.
  • a power supply usually takes place from a central power supply of the elevator installation. A lack of one or more of these connection elements can now also be used as an indication that the elevator system is not yet fully assembled and therefore it can only be operated in the assembly mode.
  • the monitoring device can detect a lack of a connection element, for example, because a detection signal of the connection element is missing, a reference resistor is missing, contacts are bridged by an assembly plug or a bridgehead, for example a ground signal is missing, a reflection signal of a code reader is missing, that a request of the Monitoring device via the bus connection is not answered or incorrectly answered that a switch that is actuated by a connection element, is not actuated or that other characteristic values of a connecting element to be connected missing.
  • slots may be provided with bridgeheads during manufacture, which in the monitoring device provides a simple detection of the state of the monitoring device.
  • a method for mounting an elevator system provides that a movable mounting platform is mounted in the elevator shaft for the purpose of assembly. This is preferably done as soon as the lowest guide rails are installed in the elevator shaft.
  • the assembly platform may include parts of the future cabin floor, but it may also be a special work platform.
  • a monitoring device and at least one brake or a safety gear is mounted and electrically connected to each other. The monitoring device and the brake or safety gear can at best be mounted on the mounting platform prior to assembly. This is especially useful if the future cabin floor is used as an assembly platform.
  • the monitoring device is connected to a usually temporary power supply.
  • the monitoring device recognizes essentially automatically that important connection elements, such as an elevator control, a safety circuit or possibly additional motion sensors are missing or not connected. As long as such connection elements are missing, the monitoring device is in an assembled state and allows only limited small or slow movements in this state. This assembly work can be carried out safely.
  • a deadman circuit is further attached to the mounting platform and connected to the monitoring device.
  • the mounting platform is always secured by means of the brake or the safety gear, if no conscious operation of the dead man's circuit takes place.
  • the monitoring device automatically switches to a normal state as soon as essential or classified as important connection elements are connected. This allows a simple and safe transition to the normal operating phase. It can be special
  • the same components that have already been used to secure the state of assembly are also used for the operation of the elevator system. This is particularly advantageous if, as already stated, the cabin floor is already equipped with the required components in the production plant.
  • An elevator installation 1, as shown schematically in FIG. 3 is shown in the assembled state, includes an elevator car 4, which is designed for the transport of persons or goods.
  • the elevator car essentially comprises a car floor 12a and a car body 5 with walls, doors, ceiling and other facilities required for operating the elevator car.
  • the elevator car 4 is guided along guide rails 10, 11 and, in the exemplary embodiment, it is supported by carrying means 16 via carrying rollers 6.
  • the support means 16 are connected to a drive 2, which can move the elevator car accordingly.
  • the drive 2 can be controlled or regulated.
  • the elevator car 4 has a position determining system 30.
  • the elevator controller 3 uses the position and movement information of the position determining system 30 to control the drive.
  • the position determining system 30 includes a coded tape 30a laid along a travel path of the elevator car 4 and a code reader 30b disposed on the elevator car 4, which can read the code of the tape 30a and transform it into path units or position data.
  • the elevator car 4 further comprises a brake or a catching device 7 which, if necessary, can be brought into engagement with the guide rail 10, 11, around the elevator car decelerate and hold.
  • a pair of brakes or safety gear 7 is used, which can cooperate with the arranged on both sides of the elevator car 4 guide rails 10, 11.
  • the brakes or safety gears 7 are controlled or regulated by a monitoring device 22.
  • the monitoring device 22 has a sensor system 23 for detecting movement variables of the elevator car 4.
  • data of the position determination system 30 but also internal sensors can be used. For security reasons, it is desired that different sensors acquire the movement data so that secure data can be generated.
  • the monitoring device 22 is connected to the brakes or safety gears 7 in order to actuate them, that is, to brake the elevator car or to release it.
  • the monitoring device 22 is further connected to a voltage source 33 and is usually connected to the elevator control 3 by means of a communication interface 31 such as a CAN bus.
  • the monitoring device is usually integrated in a safety circuit 32. With an actuation of the brakes or safety gears 7, the safety circuit of the elevator installation is usually controlled in such a way that the drive of the elevator installation is shut down.
  • first guide rails 10 are installed in the areas of the lower end of the driving shaft.
  • the mounting platform 12 is installed.
  • the mounting platform 12 can be raised and lowered by a traction means 13 which is installed or fixed in an upper portion of the driving shaft 17.
  • the mounting platform 12 is guided by means of the first guide rails 10.
  • the future cabin floor 12a or parts of the elevator car 4 can be used as an assembly platform 12.
  • the assembly platform 12 At the assembly platform 12 at most components such as the future support rollers 6 are already pre-assembled.
  • the brakes or safety gear 7 are mounted on the mounting platform 12 and they serve in cooperation with the guide rails 10, 11 as parking brakes to secure the mounting platform.
  • the monitoring device 22 is further grown.
  • the monitoring device 22 is intended for use in the future elevator installation 1 and is accordingly designed to monitor movements of an elevator cage 4 of the future elevator installation 1.
  • the monitoring device 22 is now designed to be both during the assembly time to monitor the movements of the mounting platform 12 and monitor the movements of the elevator car 4 after completion of the assembly.
  • the elevator control 3 or it lacks a proper power supply.
  • the safety circuit is still missing and the coded band of the position determination system 30 is also missing.
  • Corresponding connection places 27 on the monitoring device 22 are therefore not occupied and, instead of a proper power supply, according to the exemplary embodiment of FIG. 1 a connection device 14 is provided, which supplies the monitoring device 22 and the associated brakes or safety gears 7 with required energy, preferably electrical energy.
  • connection element 27 is missing.
  • the monitoring device detects this, for example, that a detection signal of the connection element is missing, that a reference resistor is missing, that contacts are bridged by mounting plug, that, for example, a ground signal is missing, that a reflection signal of a code reader is missing, that a switch, which is actuated by a connection element , is not actuated or that other characteristic values of a connection element to be connected are missing.
  • a detection signal of the connection element is missing
  • a reference resistor is missing
  • contacts are bridged by mounting plug
  • a ground signal is missing
  • a reflection signal of a code reader is missing
  • a switch which is actuated by a connection element
  • the monitoring device 22 includes the sensor 23 for detecting a movement amount of the elevator car. In the execution according to FIG. 2 these are two redundantly operating acceleration sensors 43, 43a.
  • the two acceleration sensors 43, 43a detect motion quantities of the mounting platform 12 in the form of accelerations.
  • the two acceleration sensors 43, 43a are part of the monitoring device 22.
  • the monitoring device 22 is connected via signal outputs 26 to the brakes or safety gears 7. Furthermore, by means of the connection device 14, an at least temporary power supply is provided.
  • the remaining connecting elements 27, in particular the connection to the elevator control 3, the connection of the safety circuit 32 and in the present case the connection of an external sensor for detecting the movement of the elevator car, such as a speed sensor 28, a displacement sensor 29 or the coded band 30 a of Positioning system 30 is missing.
  • a check routine 25 arranged in the monitoring device 22 detects the absence of one or all of these connection elements 27 and sets the monitoring device 22 or an evaluation device 24 of the monitoring device 22 into the assembled state 49 or leaves the monitoring device 22 in the assembled state.
  • At least one limit value 51 which limits the movement parameters of the mounting platform 12, is set according to a mounting limit value 50. In many cases, instead of a single limit value 51, a set of limit values is used, as explained in the general part. In the following, when we speak of limit value 51, a set of limit values is included.
  • the corresponding evaluation algorithm, as well as the corresponding assembly limit value 50, is stored in a parameter set 54, which is assigned to the mounting state 49.
  • the parameter set 54 thus includes predetermined limit values 52 which are assigned to the corresponding state.
  • the mounting limit values 50 include permissible driving speeds and include permissible acceleration values as well as any time ranges during which certain acceleration values or driving speeds may not be exceeded.
  • the mounting limits 50 are, as also explained in the general part of the description, tailored to the needs of the assembly.
  • the monitoring device 22 In the assembled state 49, the monitoring device 22 thus adopts the limit value or values 51 from the predetermined limit values 52 of the corresponding parameter set 54.
  • the evaluation device 24 now compares the movement quantities determined from the signals of the two acceleration sensors 43, 43a, in particular a movement speed and a current acceleration state with the mounting limit values 50. As soon as the corresponding assembly limit values are exceeded, the signal output 26 or the signal outputs 26 are switched and the brakes or safety gears 7 are actuated. It should be noted that the brakes or safety gear 7 are usually designed so that they are kept open under energization and that they are forcibly operated when the current is removed, so close. Switching the signal output 26 thus means that the signal output is de-energized.
  • connection device 14 which supplies the monitoring device 22 and the associated brakes or safety gears 7 with required energy.
  • a connection device 14 is in FIG. 5 explained in more detail.
  • the terminal device 14 includes a power module 14a in the form of a rechargeable electric energy storage 14b.
  • the energy store 14b is designed to operate the monitoring device 22 together with the associated brake or catching device 7.
  • the energy storage 14b is interchangeable if necessary.
  • the energy storage 14b may be a battery. The battery can be charged in a corresponding charger. Of course, a connection to an on-site power supply is possible.
  • connection device 14 is provided with a charge control 14d.
  • a charge reserve can be assessed.
  • the brake or safety gear can be activated when falling below a predetermined charge reserve.
  • the terminal device 14 includes an optional latch 14c which maintains a power supply to the monitor during replacement of the electrical energy storage.
  • Connection device 14 shown further includes optional display elements 46 for indicating an operating state of the monitoring device. In some cases, an indication of an instantaneous driving speed can also be made. If necessary, a connection of the communication port 31 of the monitoring device 22 is used for this purpose.
  • the connection device 14 As a special feature, the connection device 14 according to FIG. 5 a deadman circuit 44.
  • This deadman circuit 44 causes the brake or the safety gear 7 to be operated when the deadman circuit is not operated.
  • a pedal 45 is arranged on the connection device 14. A fitter operates the pedal 45 with his foot. If the pedal 45 is not operated, the monitoring device 22 actuates the brake or catching device 7.
  • the mounting platform 12 is usually, if it is not aware in the driving mode by the brake or safety gear 7 fixed. That means she is quiet for assembly work and does not move. If the mounting platform 12 are moved, the fitter is aware of the pedal, whereby the monitoring device 22, the brake or safety gear 7 opens. By operating the traction means 13 or an associated lifting device then the mounting platform can be moved.
  • the lift shaft 17, the elevator car as in FIG. 3 completed. That is, the cabin assembly 5 is assembled on the mounting platform 12, which thereby becomes the cabin floor 12a.
  • the connection of the safety circuit 32 and in the present case also the position determination system 30 are connected to the monitoring device 22.
  • the temporary terminal device 14 is removed and via the terminal 33, the monitoring device 22 is connected to the ordinary voltage network of the elevator system.
  • the check routine 25 arranged in the monitoring device 22 now recognizes that the required connection elements 27 are connected and sets the monitoring device 22 or the evaluation device 24 of the monitoring device 22 into a normal state 47.
  • the evaluation device 24 is given an evaluation algorithm or a calculation algorithm which relates to the evaluation of the two acceleration sensors 43, 43a and the connected position determination system 30 and that the limit value 51 or the set of limit values which limit the motion parameters of the elevator car 4 are defined in accordance with normal operating limit values 48.
  • the corresponding evaluation algorithm, as well as the corresponding preset limit values 52 and the corresponding normal operating limit values 48 are stored in the parameter set 54, which is assigned to the normal state 47.
  • the normal operating limit values 48 include maximum permissible travel speeds, possibly taking into account a position of the elevator car 4 in the lift shaft 17, and include permissible acceleration values as well as any time ranges during which certain acceleration values or other quantities of motion may not be exceeded.
  • a plurality of normal states 47 can be stored, which are then selected, for example, for a service or maintenance drive or else for trips in case of fire or the like.
  • the shown embodiment is changeable.
  • other sensors may be used to detect motion quantities.
  • an incremental encoder may be used which is driven, for example, by a carrying roller
  • a speed sensor may be used which is driven, for example, by a guide roller or, of course, a sound-based device may also be used to detect travel movements.
  • a sound-based device may also be used to detect travel movements.
  • connection elements 27 and sensors used correspondingly different evaluation routines are used in the assembled state 49.
  • connection device 14 shown can also be varied.
  • the dead man's circuit can be realized separately, separated from terminal device.
  • connection elements 27 do not have to be separate connection positions. Terminal strips with connection points, optical interfaces or even wireless connection points can be used.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
  • Elevator Control (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
EP16774893.8A 2015-09-25 2016-09-22 Überwachungseinrichtung für eine aufzugsanlage Active EP3353108B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15186871 2015-09-25
PCT/EP2016/072483 WO2017050857A1 (de) 2015-09-25 2016-09-22 Überwachungseinrichtung für eine aufzugsanlage

Publications (2)

Publication Number Publication Date
EP3353108A1 EP3353108A1 (de) 2018-08-01
EP3353108B1 true EP3353108B1 (de) 2019-11-27

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EP16774893.8A Active EP3353108B1 (de) 2015-09-25 2016-09-22 Überwachungseinrichtung für eine aufzugsanlage

Country Status (9)

Country Link
US (1) US10781074B2 (ko)
EP (1) EP3353108B1 (ko)
KR (1) KR102633879B1 (ko)
CN (1) CN108025892B (ko)
BR (1) BR112018005385B1 (ko)
MX (1) MX2018003520A (ko)
MY (1) MY190853A (ko)
RU (1) RU2717604C2 (ko)
WO (1) WO2017050857A1 (ko)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3459890B1 (en) * 2017-09-20 2024-04-03 Otis Elevator Company Health monitoring of safety braking systems for elevators
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EP3353108A1 (de) 2018-08-01
RU2018115218A3 (ko) 2020-01-20
MY190853A (en) 2022-05-12
MX2018003520A (es) 2018-06-18
US20190055107A1 (en) 2019-02-21
WO2017050857A1 (de) 2017-03-30
BR112018005385B1 (pt) 2022-07-26
KR20180061181A (ko) 2018-06-07
CN108025892B (zh) 2019-11-22
BR112018005385A2 (pt) 2018-10-09
KR102633879B1 (ko) 2024-02-05
US10781074B2 (en) 2020-09-22
RU2717604C2 (ru) 2020-03-24
CN108025892A (zh) 2018-05-11
RU2018115218A (ru) 2019-10-28

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