EP4452810A1 - Stockwerkpositionserkennungsvorrichtung einer aufzuganlage - Google Patents
Stockwerkpositionserkennungsvorrichtung einer aufzuganlageInfo
- Publication number
- EP4452810A1 EP4452810A1 EP22840122.0A EP22840122A EP4452810A1 EP 4452810 A1 EP4452810 A1 EP 4452810A1 EP 22840122 A EP22840122 A EP 22840122A EP 4452810 A1 EP4452810 A1 EP 4452810A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- floor
- area
- detection device
- position detection
- signal
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3492—Position or motion detectors or driving means for the detector
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/36—Means for stopping the cars, cages, or skips at predetermined levels
- B66B1/40—Means for stopping the cars, cages, or skips at predetermined levels and for correct levelling at landings
Definitions
- the present invention relates to a floor position detection device of an elevator installation, an elevator control system of an elevator installation and an elevator installation.
- a generic floor position detection device is known from WO 2018/219504 A1. This known floor position detection device can be used to determine whether an elevator car of the elevator system is located within a floor area or outside of a floor area.
- the object of the present invention is to further develop this known floor position detection device such that it is backwards compatible with the known floor position detection device and can still indicate whether the elevator car is within the floor area above the door sill or below the door sill.
- the floor signal can assume at least two mutually distinguishable states within the floor area, each state of these mutually distinguishable states corresponding to a partial area of the floor area.
- the sub-areas completely cover the floor area.
- the floor position detection device can also be used with elevator control systems which are designed for use of the floor position detection device according to WO 2018/219504 A1.
- the floor position detection device has a sensor unit and an evaluation device for generating a floor signal having at least two states.
- the floor position detection device is used in an elevator system to determine a position of a car of the elevator system relative to a floor.
- the floor signal can assume at least one state "outside the floor area” outside a floor area and a state "in the floor area” within the entire floor area.
- the sensor unit has at least two sensors, each of which generates a floor position parameter.
- the evaluation device is also configured to generate the floor signal based on a comparison of at least two of the floor position parameters, the floor signal being able to assume at least two mutually distinguishable states within the floor area, and each of these mutually distinguishable states corresponding to a sub-area of the floor area, the sub-areas completely cover the floor area.
- the floor position detection device or the evaluation device transmits the floor signal to an elevator controller of the elevator system via a communication link.
- the elevator controller uses the floor signal in particular for the precise positioning of an elevator car that can be moved in an elevator shaft on a floor or a shaft door assigned to a floor.
- at least one magnetic means is attached in the elevator shaft at a point that characterizes the position of the floor.
- the magnetic means can be arranged, for example, on the shaft door assigned to the floor and the floor position detection device can be arranged on the elevator car, in particular on a car door of the elevator car. With this, the elevator control can position the car door and thus the car exactly opposite the shaft door of the floor with the help of the floor signal.
- the Said magnetic means can also be regarded as part of the floor position detection device.
- the "in floor range" state of the floor signal indicates that the elevator car is correctly positioned relative to the floor.
- the car door can be opened, with which, in particular, the shaft door assigned to the floor is also opened in a known manner.
- the status "outside the floor area" of the floor area indicates that the elevator car is not in the immediate vicinity of a floor or at least not yet correctly positioned in relation to the floor and that in particular the car door cannot be opened.
- information can be transmitted to the elevator control as to the position of the elevator car relative to the floor, so that the position can be corrected.
- the floor position detection device can be designed in such a way that the at least two sensors of the sensor unit are designed as sensors for measuring a field. This enables the field to be measured already in the vicinity of the element generating the field.
- the field can be generated by a magnet, in which case the field is a magnetic field.
- Hall sensors can be used to measure the magnetic field.
- the floor position detection device can be designed such that at a clear floor signal can be derived from the floor position characteristics for each position of the elevator car. This makes it possible, for example, to determine the position of the elevator car relative to a floor immediately even after a power failure, without the elevator car having to be moved to determine the position.
- the floor position detection device can be designed to detect one of the states in each position of the elevator car, the states being the state “outside the floor area” and one of the mutually distinguishable states within the floor area.
- the floor position detection device can be designed to detect the direction of entry into the floor area by means of the sensor unit.
- the floor position detection device can be designed to subdivide the floor area at least into an upper sub-area and a lower sub-area, with the floor signal in the upper sub-area assuming the state "in the upper sub-area of the floor area” and in the lower sub-area the state "in the lower sub-area of the floor area”.
- the floor position detection device can be designed in such a way that the floor signal is represented by a voltage at an output of the evaluation device or at an output of an output module connected to the evaluation device, with each state being characterized by one or more voltages and/or voltage ranges. It is particularly advantageous to assign different voltages to the different states associated with the floor area, these voltages being in a voltage range in which, in particular, the voltage associated with the state “outside the floor area” does not lie. For example, the voltage 0 volts can be assigned to the status “outside the floor area”, the voltage 10 volts to the status “in the upper part of the floor area” and the voltage 24 volts to the status “in the lower part of the floor area”.
- the voltage range for the state "in the floor area” can be defined by a voltage greater than 8 volts, with no upper voltage being mandatory for the area necessary is.
- the state "in the upper part of the floor area” could be characterized by the voltage 24 volts and the state "in the lower part of the floor area” by the voltage 10 volts.
- Other voltages would also be possible. The voltages mentioned are only examples.
- the floor position detection device known from WO 2018/219504 A1 outputs either 0 volts or 24 volts.
- the elevator control system using this known floor position detection device will detect any voltage above 8 volts as "in floor range”. Consequently, the floor position detection device according to the present invention, in particular according to this preferred embodiment, is compatible with the floor position detection device known from WO 2018/219504 A1.
- the state "in the floor area” can be characterized by several different voltages, each of these voltages being assigned to one of the partial areas of the floor area.
- a further aspect of the invention relates to an elevator control system of an elevator installation with the floor position detection device as described above and below.
- a further aspect of the invention relates to an elevator system with the elevator control system as described above and below.
- 1 shows part of an elevator system with an elevator car, on which a floor position detection device is arranged, in an elevator shaft, 2 shows a schematic representation of a floor position detection device,
- curves of floor position parameters and a floor signal when an elevator car drives past a magnetic means that characterizes a floor and
- an elevator system 10 has an elevator car 14 that can be moved in an elevator shaft 12.
- the elevator car 14 is suspended by a suspension element 16 in the form of a rope or a belt and can be moved up and down in the elevator shaft 12 by means of a drive machine (not shown), i.e. in be driven in a direction 13.
- the elevator installation 10 is controlled by an elevator controller 18 which, among other things, has a signal connection with the drive machine via communication links that are not shown.
- a magnetic means 22 in the form of a permanent magnet is arranged in the elevator shaft 12 at a point 20 which characterizes a floor.
- the magnetic means 22 is surrounded by a magnetic field 24, which is represented symbolically with the help of some magnetic field lines.
- the magnetic means 22 identifies the floor in the vertical direction, ie in the direction of travel 13 of the elevator car 14. It can be arranged, for example, on a shaft door, not shown.
- the floor position detection device 26 is arranged on the elevator car 14 such that it preferably has a horizontal distance of between 5 and 25 mm from the magnetic means 22 when driving past the magnetic means 22 .
- the floor position detection device 26 can be arranged, for example, on a car door, which is not shown.
- the floor position detection device 26 and the elevator control 18 are components of an elevator control system 19 of the elevator installation 10.
- the elevator control system 19 includes, in particular, additional sensors and actuators that are not shown.
- the floor position detection device 26 has a first Hall sensor 28, a second Hall sensor 30, a third Hall sensor 32 and a fourth Hall sensor 34, which are arranged one above the other in the direction of travel 13.
- the four Hall sensors 28, 30, 32 and 34 form a sensor unit 35.
- the four Hall sensors 28, 30, 32, 34 are arranged so that all have substantially the same minimum Having a distance to the magnetic means 22 when the elevator car 14 drives past the magnetic means 22 .
- Sensor signals from the four Hall sensors 28, 30, 32, 34 are forwarded to an evaluation device 36, which is designed as a programmable microprocessor.
- the evaluation device 36 first calculates four floor position characteristics from the sensor signals mentioned and links them to form a floor signal, which it forwards to an output module 38 .
- the output module 38 amplifies the floor signal and forwards it to the elevator controller 18 . Courses of the floor position parameters and the floor signal at the output of the evaluation device 36 are shown in FIGS. 3, 4, 5 and 6.
- the output module 38 could also be omitted. Instead of the analog output signal described below at the output of the output module 38, this could also supply a purely digital output signal.
- the evaluation device 36 calibrates the sensor signals from the four Hall sensors 28, 30, 32, 34 so that any measurement differences between the individual Hall sensors 28, 30, 32, 34 can be compensated for. For this purpose, the evaluation device 36 multiplies each sensor signal by an associated calibration factor. The calibration factors are determined during a calibration of the floor position detection device 26 at the end of the production of the floor position detection device 26 . For this purpose, one of four identical magnetic means is arranged at a fixed distance in front of the four Hall sensors 28, 30, 32, 34. The distance mentioned is selected in such a way that each of the four sensor signals of the four Hall sensors 28, 30, 32, 34 reliably exceeds a threshold value.
- the evaluation device 36 recognizes that all four sensor signals are greater than the threshold value, it automatically starts a calibration.
- the calibration factors are determined in such a way that during the calibration each floor position parameter resulting from the multiplication of the sensor signal by the associated calibration factor has the same value of 300 mV, for example.
- the calibration can also take place during a learning run of the elevator car 14 .
- the floor position detection device 26 also has a voltage supply device 40 which supplies the four Hall sensors 28, 30, 32, 34, the evaluation device 36 and the output module 38 with a supply voltage.
- the voltage supply device 40 supplies the four Hall sensors 28, 30, 32, 34 and the evaluation device 36 with the same supply voltage of 2 V and the output module 38 with a different supply voltage of 24 V.
- the voltage supply device 40 and thus the floor position detection device 26 are also used supplied with an input voltage of 24 V. Of course, other voltages could also be used.
- FIG. 3 shows curves of floor position parameters and an associated floor signal when driving past the magnetic means 22 of the elevator car 14 and thus the floor position detection device 26 from top to bottom.
- Fig. 3 gives the floor signal depending on the position of the elevator car relative to the floor, the relative position being measured from above.
- Curve 48 shows the first floor position parameter of the first Hall sensor 28
- curve 50 shows the second floor position parameter of the second Hall sensor 30
- curve 52 shows the third floor position parameter of the third Hall sensor 32
- curve 54 shows the fourth floor position parameter of the fourth Hall sensor 34.
- the curve 56 shows the course of the floor signal.
- the floor signal 56 can assume the status "outside the floor area” and "in the floor area”, with the status "in the floor area” in this exemplary embodiment being divided into the two distinct states “in the upper part of the floor area” and “in the lower part of the floor area”. is divided.
- the floor signal 56 is amplified by the output module 38 as follows:
- the logical signal "0”, which corresponds to the state "outside the floor area”, is mapped to a voltage of 0 volts at the output of the output module 38.
- the logic signal “1”, which corresponds to the state "in the upper part of the floor area”, is mapped to a voltage of 10 volts at the output of the output module 38.
- the logic signal “2”, which corresponds to the state "in the lower part of the floor area”, is mapped to a voltage of 24 volts at the output of the output module 38.
- a voltage of more than 8 V corresponds to the state "in the floor area".
- the voltages given are only exemplary and do not limit the invention.
- the floor position parameters 48, 50, 52 and 54 each increase from a rest level when the relevant Hall sensor 28, 30, 32 and 34 comes into the area of the magnetic means 22, ie dips into the magnetic field 24. They have their maximum when the Hall sensor 28, 30, 32 and 34 in question is exactly at the height of the magnetic means 22, in order to drop back to the idle level when removed from the magnetic means 22. From the magnitude of the associated floor position parameter 48, 50, 52 and 54 the distance of the associated Hall sensor 28, 30, 32, 34 from the magnetic means 22 in the direction of travel 13 can be inferred.
- the first Hall sensor 28 and the second Hall sensor 30 are arranged such that when the floor position detection device 26 approaches the magnetic means 22 and thus a floor, the approach can be derived from the first floor position parameter 48 and the second floor position parameter 50. This can be seen from the fact that the first floor position characteristic 48 increases before the second floor position characteristic 50 . Starting from the status "outside the floor area", the evaluation device 36 then assigns the status "in the upper partial area of the floor area" to the floor signal 56 if the second floor position parameter 50 is greater than or equal to the first floor position parameter 48 and at the same time the second floor position parameter 50 is greater than the third floor position parameter is 52.
- the evaluation device 36 assigns the floor signal 56 the status "in the lower partial area of the floor area" if the third floor position parameter 52 is greater than or equal to the second floor position parameter 50 and at the same time the third floor position parameter 52 is greater than the fourth floor position parameter 54.
- the evaluation device 36 assigns the status "outside the floor area" to the floor signal 56 if the fourth floor position parameter 54 is greater than or equal to the third floor position parameter 52.
- the strengths of the floor position parameters 48 , 50 , 52 , 54 , in particular also of the floor position parameter 54 continue to fall, so that they are all below a threshold value 58 .
- the relative position of the elevator car to a floor can also be determined at any time from the floor position parameters 48, 50, 52, 54 of the Hall sensors 28, 30, 32, 34 can be determined.
- All floor position parameters 48, 50, 52, 54 are less than or equal to the threshold value 58, or
- the first floor position parameter 48 is greater than the threshold value 58 and at the same time greater than the second position parameter 50, or the fourth floor position parameter 54 is greater than the threshold value 58 and at the same time greater than the third position parameter 52.
- the state "in the upper part of the floor area” is characterized in that the second position parameter 50 is greater than or equal to the first position parameter 48 and greater than or equal to the third position parameter 52 .
- the second position parameter 50 is greater than the threshold value 58.
- the state "in the lower partial area of the floor area” is characterized in that the third position parameter 52 is greater than the second position parameter 50 and greater than or equal to the fourth position parameter 54 .
- the third position parameter 52 is greater than the threshold value 58.
- the magnetic means 22 and the floor position detection device 26 are arranged in such a way that the floor signal 56 then has the status "in the floor area” when the elevator car 14 is positioned opposite a floor in such a way that the car door and thus also the shaft door can be opened at the same time. Furthermore, the magnetic means 22 and the floor position detection device 26 are aligned with one another in such a way that the floor signal 56 changes between "in the upper part of the floor area” and "in the lower part of the floor area” when the door sill of the elevator car door is aligned flush with the door sill of the respective elevator car shaft door.
- the status "outside the floor area”, “in the floor area”, “in the upper part area of the floor” and “in the lower part area of the floor” can also be defined by other conditions on the floor position parameters.
- An example is shown in FIG.
- the vertical distances between the sensors are optionally adapted to the conditions of the storey position parameters.
- the state “outside the floor area” is characterized in that all floor position parameters 48, 50, 52, 54 are smaller than the threshold value 58.
- the state "in the upper part of the floor area” is characterized in that the first position parameter 48 is greater than or equal to the threshold value 58 or the second position parameter 50 is greater than or equal to the threshold value 58 and at the same time is greater than or equal to the third position parameter 52.
- the status "in the lower part of the floor area” is characterized in that the fourth position parameter 54 is greater than or equal to the threshold value 58 or the third position parameter 52 is greater than or equal to the threshold value 58 and at the same time greater than or equal to the second position parameter 50.
- the state “in the floor area” can be divided not only by two states, but also by more than two states that can be distinguished from one another.
- the state “in the floor area” as shown in the exemplary embodiment according to FIG. 5 can be subdivided by the states “in the upper part area of the floor area", "in the middle part area of the floor area” and "in the lower part area of the floor area”.
- the state “outside the floor area” is characterized in that all floor position parameters 48, 50, 52, 54 are smaller than the threshold value 58.
- the state "in the upper partial area of the floor area” is characterized in that the first position parameter 48 is greater than or equal to the threshold value 58 and at the same time is greater than the second position parameter 50 .
- the state "in the middle part of the floor area” is characterized in that the second position parameter 50 is greater than or equal to the first position variable 48 and that the third position variable 52 is greater than or equal to the fourth position variable 54 . In addition, it is also required that the second position parameter 50 or the third position parameter 52 is greater than the threshold value 58 .
- the state "in the lower part of the floor area” is characterized in that the fourth position variable 54 is greater than or equal to the threshold value 58 and the fourth position variable 54 is greater than or equal to the third position variable 52 .
- the number of Hall sensors in the sensor unit can also be changed, for example only two sensors can be used. A corresponding exemplary embodiment is described with reference to FIG.
- the first Hall sensor supplies the first floor position parameter 48 shown in Fig. 6, and a second Hall sensor supplies the second floor position parameter 50, also shown in Fig. 6.
- the floor signal 56 can be derived from these two floor position parameters as follows become:
- the state “outside the floor area” is characterized in that the first floor position parameter 48 and the second floor position parameter 50 are smaller than a threshold value 58 .
- the state "in the floor area” is characterized in that the first floor position parameter 48 or the second floor position parameter 50 is greater than the threshold value 58 .
- the state “in the floor area” is characterized by a value of the floor signal 56 greater than or equal to 1.
- the state "in the upper part of the floor area” is characterized in that the first floor position parameter 48 is greater than or equal to the second floor position parameter 50 and at the same time the first floor position parameter 48 is greater than the threshold value 58 .
- This state is represented by a value 1 of the floor signal 56.
- the state "in the lower part of the floor area” is characterized in that the second floor position parameter 50 is greater than the first floor position parameter 48 and at the same time the second floor position parameter 50 is greater than the threshold value 58 .
- This state is represented by a value 2 of floor signal 56 .
- the floor position detection device prefferably has three or more than four Hall sensors.
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP21217251 | 2021-12-23 | ||
| PCT/EP2022/086641 WO2023117894A1 (de) | 2021-12-23 | 2022-12-19 | Stockwerkpositionserkennungsvorrichtung einer aufzuganlage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4452810A1 true EP4452810A1 (de) | 2024-10-30 |
| EP4452810B1 EP4452810B1 (de) | 2025-05-21 |
Family
ID=79024765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22840122.0A Active EP4452810B1 (de) | 2021-12-23 | 2022-12-19 | Stockwerkpositionserkennungsvorrichtung einer aufzuganlage |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20250066158A1 (de) |
| EP (1) | EP4452810B1 (de) |
| CN (1) | CN118434662A (de) |
| AU (1) | AU2022423762B2 (de) |
| WO (1) | WO2023117894A1 (de) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101800522B1 (ko) * | 2013-03-01 | 2017-11-22 | 미쓰비시덴키 가부시키가이샤 | 엘리베이터의 칸 위치 검출 장치 |
| EP3630663B1 (de) | 2017-06-02 | 2021-04-07 | Inventio AG | Stockwerkpositionserkennungsvorrichtung einer aufzuganlage und verfahren zur erzeugung eines stockwerksignals |
-
2022
- 2022-12-19 EP EP22840122.0A patent/EP4452810B1/de active Active
- 2022-12-19 US US18/720,689 patent/US20250066158A1/en active Pending
- 2022-12-19 WO PCT/EP2022/086641 patent/WO2023117894A1/de not_active Ceased
- 2022-12-19 CN CN202280085398.6A patent/CN118434662A/zh active Pending
- 2022-12-19 AU AU2022423762A patent/AU2022423762B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP4452810B1 (de) | 2025-05-21 |
| AU2022423762B2 (en) | 2026-02-26 |
| CN118434662A (zh) | 2024-08-02 |
| US20250066158A1 (en) | 2025-02-27 |
| AU2022423762A1 (en) | 2024-07-04 |
| WO2023117894A1 (de) | 2023-06-29 |
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