WO2019244245A1 - Temperature transition identification device, maintenance planning system, and elevator system - Google Patents
Temperature transition identification device, maintenance planning system, and elevator system Download PDFInfo
- Publication number
- WO2019244245A1 WO2019244245A1 PCT/JP2018/023314 JP2018023314W WO2019244245A1 WO 2019244245 A1 WO2019244245 A1 WO 2019244245A1 JP 2018023314 W JP2018023314 W JP 2018023314W WO 2019244245 A1 WO2019244245 A1 WO 2019244245A1
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- WIPO (PCT)
- Prior art keywords
- car
- unit
- elevator
- temperature
- specifying
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
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- 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
Definitions
- the present invention relates to a temperature transition specifying device, a maintenance planning system, and an elevator system.
- Patent Document 1 describes an elevator.
- the elevator described in Patent Literature 1 includes a thermometer.
- the temperature of the storage battery is measured by the thermometer.
- the progress of the life of the storage battery is calculated based on the value measured by the thermometer.
- thermometer is used to measure the temperature of the storage battery. If a thermometer is permanently installed, it must be properly managed so that the thermometer functions properly. For this reason, there is a problem that the number of maintenance items by the elevator maintenance staff increases and it takes time and effort.
- a temperature transition specifying device includes a storage unit that stores a value measured in a diagnostic operation in which an elevator car performs a specific operation using a specific device, and a time-dependent change in a value stored in the storage unit.
- a maintenance planning system calculates a second life of a component arranged in an elevator space based on the temperature transition specifying device, the temperature transition specified by the first specifying unit, and the traveling history of the car.
- a calculation unit; and a determination unit configured to determine whether to inspect or replace the component based on the life calculated by the second calculation unit.
- the maintenance planning system includes the temperature transition specifying device, a category determining unit that determines an environmental category to which the elevator space belongs based on the temperature transition specified by the first specifying unit, and a category determining unit. Determining means for determining the time to inspect or replace parts arranged in the elevator space based on the determined environmental category.
- the maintenance planning system includes the temperature transition specifying device, and a category determining unit that determines an environmental category to which the elevator space belongs based on a difference between the temperature transition and the outside air temperature specified by the first specifying unit. Based on the environmental category determined by the category determining unit, a second specifying means for specifying a change in humidity in the elevator space, a temperature change specified by the first specifying means, and a humidity change specified by the second specifying means.
- a second calculating means for calculating the life of the component disposed in the elevator space based on the traveling history of the vehicle, and a determination for judging the inspection time or replacement time of the component based on the life calculated by the second calculating means. Means.
- the elevator system includes an elevator car, a specific device, a driving control unit that starts a diagnostic operation when a start condition is satisfied, and causes the car to perform a specific operation using the device, and a specific device in the diagnostic operation.
- a measuring means for measuring the value, a storage means for storing the value measured by the measuring means, and a seasonal variation component of the temporal change is calculated by removing a long-term variation component from the temporal change of the value stored in the storage means.
- Calculating means for calculating the temperature change of the elevator space based on the seasonal variation component of the temporal change calculated by the calculating means and the actually measured value of the temperature of the elevator space.
- the temperature transition specifying device includes a storage unit, a calculating unit, and a specifying unit.
- the calculation means calculates a seasonal variation component of the temporal change by removing a long-term variation component from the temporal change of the value stored in the storage means.
- the specifying means specifies the temperature change of the elevator space based on the seasonal variation component of the temporal change calculated by the calculating means and the actually measured value of the temperature of the elevator space. According to the present invention, it is not necessary to permanently install a new measuring instrument, and it is possible to specify the temperature transition of the elevator space.
- FIG. 2 is a diagram illustrating an example of an elevator system according to the first embodiment. It is a figure showing the example of connection of the equipment provided in the elevator.
- 5 is a flowchart illustrating an operation example of a control device. 9 is a flowchart illustrating another operation example of the control device. It is a figure showing an example of a maintenance terminal.
- 5 is a flowchart illustrating an operation example of a data center.
- 11 is a flowchart illustrating another operation example of the data center.
- FIG. 7 is a diagram showing a change over time of a minimum voltage value of a battery. It is a figure for explaining the function of a transition specific part. It is a figure showing other examples of a data center.
- FIG. 11 is a diagram illustrating another operation example of the data center. It is a figure showing other examples of a data center.
- FIG. 11 is a diagram illustrating another operation example of the data center. It is a figure for explaining the function of a transition specific part.
- FIG. 3 is a diagram illustrating an example of hardware resources of a control device.
- FIG. 9 is a diagram illustrating another example of the hardware resources of the control device.
- FIG. 1 is a diagram illustrating an example of an elevator system according to the first embodiment.
- the elevator system shown in FIG. 1 includes an elevator 1 and a data center 2.
- the elevator 1 and the data center 2 can communicate with each other via a communication network 3.
- the system in which the elevator 1 communicates with the data center 2 may be any system.
- FIG. 2 is a diagram illustrating a connection example of devices provided in the elevator 1.
- the elevator 1 includes, for example, a car 10 and a counterweight 11.
- the car 10 moves up and down the hoistway 12.
- the counterweight 11 moves up and down the hoistway 12.
- the car 10 and the counterweight 11 are suspended from the hoistway 12 by the main rope 13.
- the hoisting machine 14 includes a drive sheave 15, an electric motor 16, and a brake device 17.
- the main rope 13 is wound around the drive sheave 15.
- the electric motor 16 drives the drive sheave 15.
- the electric motor 16 is controlled by the control device 18. That is, the control device 18 controls the rotation and stop of the drive sheave 15.
- the car 10 moves according to the rotation of the drive sheave 15. If the drive sheave 15 is not rotating, the car 10 stops.
- An encoder (not shown) is provided on a rotating shaft of the electric motor 16. When the electric motor 16 rotates, a rotation signal indicating a rotation direction and a rotation angle is output from the encoder. The rotation signal output from the encoder is input to the control device 18.
- the brake device 17 is a device for holding the car 10 stationary.
- the brake device 17 is controlled by the control device 18. In normal operation, the brake device 17 operates after the drive sheave 15 stops. When the brake device 17 operates, a force is applied to a member interlocking with the drive sheave 15 so as to prevent the rotation of the drive sheave 15.
- the governor 19 operates the emergency stop 20 provided in the car 10 when the descending speed of the car 10 exceeds a specific first reference speed.
- the governor 19 includes, for example, a governor rope 21, a governor sheave 22, and a tension sheave 23.
- the governing rope 21 is connected to the car 10.
- the speed control rope 21 is wound around a speed control sheave 22 and a tension sheave 23.
- the speed control rope 21 moves.
- the speed control sheave 22 and the tension sheave 23 rotate.
- An encoder may be provided on the rotation shaft of the governing sheave 22. In this case, a rotation signal indicating the rotation direction and the rotation angle of the governor sheave 22 is output from the encoder.
- the rotation signal output from the encoder is input to the control device 18.
- the safety device 24 is provided, for example, on the hoistway 12.
- the safety device 24 forcibly stops the car 10 when the car 10 enters the terminal floor at a speed higher than a specific second reference speed.
- a specific second reference speed In the example shown in FIG. 1, when the car 10 passes above a specific position at a speed higher than the second reference speed, the safety device 24 operates.
- the safety device 24 When the safety device 24 operates, the deceleration of the electric motor 16 is forcibly started. Thereby, the drive sheave 15 stops. That is, the car 10 stops.
- the battery 25 is used to bring the passengers in the car 10 down to the nearest floor during a power outage. For example, when a power failure occurs, power from the battery 25 is supplied to the control device 18, the hoist 14, and the car 10.
- the communication device 26 communicates with the data center 2.
- the communication device 26 is connected to the control device 18.
- the method by which the communication device 26 communicates with the data center 2 may be any method.
- FIG. 1 shows an example in which the hoisting machine 14, the control device 18, the battery 25, and the communication device 26 are provided in the hoistway 12.
- the elevator 1 includes a machine room
- the hoist 14, the control device 18, the battery 25, and the communication device 26 may be provided in the machine room.
- a part of the hoisting machine 14, the control device 18, the battery 25, and the communication device 26 may be provided in the machine room.
- the control device 18 includes, for example, an operation control unit 30, a measurement unit 31, and a temperature acquisition unit 32.
- the functions of the control device 18 will be described below with reference to FIGS.
- FIG. 3 is a flowchart illustrating an operation example of the control device 18.
- the control device 18 determines whether or not the start condition is satisfied (S101).
- the start condition is a condition for starting the diagnostic operation.
- the start condition is set in advance. If the start condition is not satisfied, the operation control unit 30 controls, for example, normal operation. In normal operation, the operation control unit 30 causes the car 10 to sequentially respond to the registered call.
- the diagnostic operation is performed periodically. For example, at 1:00 am on the 10th of every month, the start condition is satisfied. As another example, the diagnostic operation is performed irregularly. For example, when the communication device 26 receives a specific signal from the outside, the start condition is satisfied. When the start condition is satisfied, the operation control unit 30 starts the diagnostic operation (S102). The diagnostic operation is performed to determine whether there is an abnormality in the equipment provided in the elevator 1.
- the operation control unit 30 causes the car 10 to perform a specific operation using a specific device in the diagnostic operation, for example.
- the measurement unit 31 measures a specific value in the diagnostic operation (S103). For example, the measuring unit 31 measures a value related to the operation of the car 10 or a value related to the device. The value measured by the measuring unit 31 is used to determine the presence or absence of an abnormality.
- the operation control unit 30 causes the car 10 to perform a specific operation using the battery 25 in the diagnostic operation.
- the operation control unit 30 causes the car 10 to perform a specific traveling using the electric power from the battery 25.
- the voltage value of the battery 25 is measured by the measuring unit 31 while the specific traveling is being performed.
- the minimum voltage value Vmin of the battery 25 measured by the measuring unit 31 falls below the reference value, an abnormality is determined.
- the operation control unit 30 causes the car 10 to perform a specific operation using the brake device 17 in the diagnostic operation.
- the operation control unit 30 moves the car 10 in a specific direction at a specific speed.
- the operation control unit 30 operates the brake device 17 when the car 10 is moving at the specific speed.
- the brake device 17 operates, the car 10 starts to decelerate, and thereafter the car 10 stops.
- the measuring unit 31 measures a distance that the car 10 has moved from when the brake device 17 operates to when the car 10 stops.
- this distance is also referred to as a moving distance L1.
- the measurement of the movement distance L1 is performed based on a rotation signal from an encoder provided on a rotation shaft of the electric motor 16.
- the measurement of the moving distance L1 may be performed based on a rotation signal from an encoder provided on the rotating shaft of the governing sheave 22.
- an abnormality is determined.
- the operation control unit 30 causes the car 10 to perform a specific operation using the safety device 24 in the diagnostic operation.
- the operation control unit 30 causes the car 10 to enter the terminal floor at a specific speed higher than the second reference speed.
- the safety device 24 operates.
- the measuring unit 31 measures a distance that the car 10 has moved from when the safety device 24 operates to when the car 10 stops.
- this distance is also referred to as a moving distance L2.
- the measurement of the moving distance L2 is performed based on a rotation signal from an encoder provided on the rotation shaft of the electric motor 16.
- the measurement of the moving distance L2 may be performed based on a rotation signal from an encoder provided on the rotating shaft of the governing sheave 22.
- an abnormality is determined.
- the measured value by the measuring unit 31 is transmitted to the data center 2 (S105).
- the measurement value transmitted to the data center 2 includes, for example, the minimum voltage value Vmin, the moving distance L1, and the moving distance L2.
- the function of determining the presence or absence of an abnormality may be provided in the elevator 1 or in the data center 2.
- the determination of the presence or absence of the abnormality is performed, for example, after the diagnosis operation is completed.
- the data center 2 has the above determination function, the determination of the presence or absence of the abnormality is performed, for example, after the process of S105.
- FIG. 4 is a flowchart showing another operation example of the control device 18.
- the control device 18 determines whether communication with the maintenance terminal 40 is possible (S201).
- the maintenance person perform maintenance work on the elevator 1 regularly or irregularly.
- the maintenance person carries the maintenance terminal 40 when performing maintenance work.
- the maintenance person carries the maintenance terminal 40 and enters the hoistway 12.
- the elevator 1 includes a machine room, the maintenance person carries the maintenance terminal 40 and enters the machine room.
- FIG. 5 is a diagram showing an example of the maintenance terminal 40.
- the maintenance terminal 40 includes, for example, a thermometer 41 and a communication unit 42.
- the communication unit 42 communicates with the control device 18. For example, when the maintenance terminal 40 is connected to the control device 18, the determination is Yes in S201.
- the communication unit 42 may communicate with the control device 18 via the communication device 26.
- the communication unit 42 may communicate with the control device 18 via a device provided in the car 10.
- the communication unit 42 may perform wireless communication with the control device 18.
- the control device 18 determines whether the maintenance terminal 40 exists in the hoistway 12 (S202). For example, when the control device 18 is provided in the hoistway 12 and the maintenance terminal 40 is connected to the control device 18 by wire, the determination in S202 is Yes. When the maintenance person is carrying the maintenance terminal 40, for example, when a specific switch arranged on the hoistway 12 is operated, it is determined as Yes in S202. As another example, when the maintenance switch provided on the car 10 is operated, it is determined as Yes in S202.
- the temperature acquisition unit 32 acquires the actual measured value of the temperature measured by the thermometer 41 (S203).
- the value acquired in S203 is an actually measured value of the temperature of the hoistway 12.
- the measured temperature value acquired by the temperature acquisition unit 32 is transmitted to the data center 2 (S204).
- the data center 2 includes, for example, a storage unit 50, a change calculation unit 51, a transition identification unit 52, and a communication unit 53.
- the functions of the data center 2 will be described below with reference to FIGS.
- FIG. 6 is a flowchart illustrating an operation example of the data center 2.
- the data center 2 it is determined whether or not the value measured by the measuring unit 31 has been received from the elevator 1 (S301).
- the measurement value transmitted from the elevator 1 in S105 is received by the communication unit 53.
- the communication unit 53 stores the received measured value in the storage unit 50 (S302).
- the value measured by the measuring unit 31 in the diagnostic operation is stored in the storage unit 50. That is, the storage unit 50 stores a value related to the operation of the car 10 and a value related to a specific device.
- the diagnostic operation is performed, for example, periodically.
- the storage unit 50 periodically stores the minimum voltage value Vmin of the battery 25 measured in the diagnostic operation.
- the storage unit 50 periodically stores the moving distance L1 of the car 10 measured in the diagnostic operation.
- the storage unit 50 periodically stores the moving distance L2 of the car 10 measured in the diagnostic operation.
- the data center 2 it is determined whether or not the measured temperature value acquired by the temperature acquisition unit 32 has been received from the elevator 1 (S303).
- the measured temperature value transmitted from the elevator 1 in S204 is received by the communication unit 53.
- the communication unit 53 Upon receiving the measured temperature value from the elevator 1, the communication unit 53 stores the received measured value in the storage unit 50 (S304).
- the storage unit 50 stores the actually measured temperature of the hoistway 12 measured by the thermometer 41.
- the maintenance staff performs maintenance work, for example, periodically.
- the storage unit 50 periodically stores the actually measured value of the temperature of the hoistway 12 measured by the thermometer 41.
- FIG. 7 is a flowchart showing another operation example of the data center 2.
- the storage unit 50 stores a minimum voltage value Vmin of the battery 25 measured in the diagnostic operation.
- the variation calculation unit 51 reads the minimum voltage value Vmin of the battery 25 from the storage unit 50 (S401).
- FIG. 8 is a diagram showing the change over time of the minimum voltage value Vmin of the battery 25.
- a curve A shown in FIG. 8 shows a temporal change of the minimum voltage value Vmin measured in the diagnostic operation of a certain elevator A.
- a curve B shows a temporal change of the minimum voltage value Vmin measured in the diagnostic operation of another elevator B.
- the change over time of the minimum voltage value Vmin includes a long-term variation component and a seasonal variation component.
- the long-term fluctuation component mainly occurs due to deterioration of the battery 25.
- the minimum voltage value Vmin gradually becomes smaller as time passes.
- the seasonal fluctuation component mainly occurs due to a change in the temperature of the hoistway 12 where the battery 25 is installed.
- the minimum voltage value Vmin becomes a large value in summer when the temperature of the hoistway 12 becomes high, and becomes a small value in winter when the temperature of the hoistway 12 becomes low.
- the fluctuation calculator 51 calculates the seasonal fluctuation component of the temporal change by removing the long-term fluctuation component from the temporal change of the minimum voltage value Vmin (S402). For example, the fluctuation calculator 51 calculates, as a long-term fluctuation component, a difference between the minimum voltage value measured in a certain month and the minimum voltage value measured in the same month of the following year. The fluctuation calculator 51 may calculate a value obtained by averaging the differences for a plurality of months as a long-term fluctuation component. The fluctuation calculator 51 may calculate a difference between the maximum value of the minimum voltage value measured in a certain year and the maximum value of the minimum voltage value measured in the following year as a long-term fluctuation component.
- the fluctuation calculator 51 may calculate the difference between the minimum value of the minimum voltage value measured in a certain year and the minimum value of the minimum voltage value measured in the following year as a long-term fluctuation component. Further, the variation calculation unit 51 may determine the long-term variation component by identifying a prediction model having a long-term variation component and a periodic variation component by a statistical method.
- a prediction model for example, a model represented as a sum of a component represented by a linear function or a quadratic function and a component represented by a trigonometric function can be adopted. Another model may be adopted as the prediction model.
- the fluctuation calculator 51 may calculate the cycle and amplitude of the seasonal fluctuation component in S402.
- the calculated amplitude of the seasonal variation component corresponds to the difference between the summer temperature and the winter temperature of the hoistway 12.
- the transition specifying unit 52 reads the actually measured value of the temperature of the hoistway 12 from the storage unit 50 (S403).
- the transition specifying unit 52 specifies the temperature transition of the hoistway 12 based on the seasonal fluctuation component of the temporal change of the minimum voltage value Vmin calculated in S402 and the measured value of the temperature read in S403 (S404).
- FIG. 9 is a diagram for explaining the function of the transition specifying unit 52.
- the storage unit 50 stores in advance a first conversion table for converting a seasonal variation component of the minimum voltage value Vmin over time into a relative temperature transition.
- the transition specifying unit 52 converts the seasonal fluctuation component calculated in S402 into a relative temperature transition by using the first conversion table. Further, the transition specifying unit 52 determines the offset value of the relative temperature transition based on the actually measured value of the temperature read in S403. Thereby, the transition specifying unit 52 specifies an absolute temperature transition of the hoistway 12. In the following, the absolute temperature transition is simply referred to as “temperature transition”.
- the temperature transition of the hoistway 12 specified by the transition specifying unit 52 is indicated by a curve C. If the curve C can be specified, the temperature of the hoistway 12 on specific days in the past and the future can be estimated. If the temperature actually measured when the maintenance staff visits does not match the estimated temperature, the actual temperature may be calculated using a probability model.
- the temperature transition of the hoistway 12 is specified using the minimum voltage value Vmin of the battery 25.
- the minimum voltage value Vmin of the battery 25 is a value measured in the diagnostic operation. Therefore, with the example shown in the present embodiment, the temperature transition of the hoistway 12 can be specified without permanently installing a new measuring instrument. In the maintenance inspection, the maintenance items of the maintenance staff do not increase.
- the minimum voltage value Vmin of the battery 25 is used to specify the temperature transition of the hoistway 12.
- the temperature transition of the hoistway 12 may be specified using the moving distance L1 of the car 10 by the same method as the above-described specifying method.
- the temperature transition of the hoistway 12 may be specified using the moving distance L2 of the car 10. Note that the battery 25 is not a device used in normal operation. Therefore, when the minimum voltage value Vmin of the battery 25 is used, there is an advantage that the temperature transition of the hoistway 12 can be specified without being affected by the number of times the car 10 travels.
- the hoistway 12 is an example of an elevator space in which devices are installed.
- the elevator space may be a machine room. That is, the transition specifying unit 52 may specify the temperature transition of the machine room using the actually measured value of the temperature of the machine room measured by the thermometer 41.
- the temperature acquisition unit 32 acquires the actually measured value of the temperature measured by the thermometer 41.
- the transition specifying unit 52 may specify the temperature transition of the machine room using the actually measured value of the temperature of the hoistway 12 measured by the thermometer 41.
- the transition specifying unit 52 may specify the temperature transition of the hoistway 12 based on the measured value of the temperature of the machine room measured by the thermometer 41. That is, the transition specifying unit 52 specifies the temperature transition of the elevator space using the actually measured value of the temperature of the elevator space measured by the thermometer 41.
- FIG. 10 is a diagram illustrating another example of the data center 2.
- the data center 2 illustrated in FIG. 10 further includes, for example, a life calculation unit 54 and a determination unit 55 in addition to the storage unit 50, the change calculation unit 51, the transition identification unit 52, and the communication unit 53.
- FIG. 11 is a diagram illustrating another operation example of the data center 2. The operation illustrated in FIG. 11 is performed, for example, after the operation illustrated in FIG.
- the life calculation unit 54 calculates the life of the components arranged in the elevator space (S501). For example, the life calculating unit 54 simulates component deterioration based on the temperature transition specified by the transition specifying unit 52 and the traveling history of the car 10 and calculates the life of the component.
- the travel history of the car 10 may be the number of travels of the car 10 or the travel distance of the car 10.
- the life calculation unit 54 calculates the life of the electric components arranged inside the control device 18.
- the life calculation unit 54 may calculate the life of a resin component such as a belt.
- the determination unit 55 determines the inspection time of the component (S502).
- the determination unit 55 determines the inspection time based on the life of the component calculated by the life calculation unit 54.
- the determination unit 55 may determine the replacement time of the component in S502. This makes it possible to create an appropriate maintenance plan according to the inspection time or replacement time of the part.
- FIG. 12 is a diagram showing another example of the data center 2. As shown in FIG. The data center 2 illustrated in FIG. 12 further includes, for example, a category determination unit 56 and a determination unit 55 in addition to the storage unit 50, the change calculation unit 51, the transition identification unit 52, and the communication unit 53.
- FIG. 13 is a diagram illustrating another operation example of the data center 2. The operation illustrated in FIG. 13 is performed, for example, after the operation illustrated in FIG.
- the category determining unit 56 determines an environment category to which the elevator space belongs (S601).
- the environment of the elevator space differs depending on the structure of the building in which the elevator 1 is installed. Further, the environment of the elevator space differs depending on the position and the direction in which the elevator 1 is installed. For example, when the elevator 1 is installed in the center of a large-scale building, the temperature of the elevator space is constant throughout the year. In addition, when the elevator 1 is installed at a position where outside air can easily enter, the temperature of the elevator space is easily affected by the outside air temperature. When the elevator 1 is a so-called see-through elevator and is installed at a position receiving direct sunlight, the temperature of the elevator space changes more greatly than a change in the outside air temperature.
- a plurality of environment categories are set in advance.
- a first classification condition for determining an environment category to which the elevator space belongs is set in advance.
- the category determining unit 56 determines an environmental category based on the temperature transition specified by the transition specifying unit 52 and the first classification condition. For example, the category determination unit 56 calculates characteristic amounts such as a maximum temperature, a minimum temperature, a transition cycle, and a transition amplitude from the specified temperature transition.
- the category determination unit 56 determines the environment category by applying the calculated feature amount to the first classification condition.
- the determination unit 55 determines the inspection time of the component (S602).
- the determination unit 55 determines the inspection time of the components arranged in the elevator space based on the environmental category of the elevator space determined by the category determination unit 56. For example, a component inspection cycle is set in advance for each environmental category.
- the determination unit 55 may determine the replacement time of the component in S602. This makes it possible to create an appropriate maintenance plan according to the inspection time or replacement time of the part.
- FIG. 14 is a diagram showing another example of the data center 2.
- the data center 2 shown in FIG. 14 includes, for example, a category determination unit 56, a transition identification unit 57, a life calculation unit 54, and a determination unit 55 in addition to a storage unit 50, a variation calculation unit 51, a transition identification unit 52, and a communication unit 53.
- FIG. 15 is a diagram illustrating another operation example of the data center 2. The operation illustrated in FIG. 15 is performed, for example, after the operation illustrated in FIG.
- the category determining unit 56 determines an environment category to which the elevator space belongs (S701). In the examples illustrated in FIGS. 14 and 15, the category determining unit 56 determines the environmental category based on the difference between the temperature transition specified by the transition specifying unit 52 and the outside air temperature.
- the outside air temperature can be obtained from an external organization such as the Meteorological Agency.
- the category determining unit 56 determines an environmental category based on the difference between the temperature of the elevator space on a certain day and the outside air temperature on that day estimated from the temperature transition.
- the above difference varies depending on the season.
- the elevator 1 is installed at a position where outside air can easily enter, the above difference is relatively small throughout the year.
- the above difference also varies depending on the material of the wall forming the hoistway 12.
- a plurality of environment categories are set in advance.
- a second classification condition for determining an environment category to which the elevator space belongs is set in advance.
- the category determination unit 56 determines an environment category based on, for example, the difference and the second classification condition.
- the storage unit 50 stores in advance a second conversion table for each environment category.
- the second conversion table is a table for converting the outside air humidity into the humidity of the elevator space. For example, in order to create the second conversion table, the humidity of various elevator spaces is actually measured.
- the second conversion table is created in advance using the outside air humidity and the measured value of the humidity in the elevator space, and is stored in the storage unit 50.
- the outside air humidity can be obtained from an external organization such as the Meteorological Agency.
- the transition specifying unit 57 specifies a humidity transition in the elevator space based on the environmental category determined by the category determining unit 56.
- FIG. 16 is a diagram for explaining the function of the transition specifying unit 57.
- FIG. 16 shows an example in which the humidity transition is specified using a second conversion table of an environmental category in which a building is provided with air conditioning equipment but the hoistway 12 is not provided with air conditioning equipment.
- the transition specifying unit 57 reads the corresponding second conversion table from the storage unit 50 (S702). That is, the transition specifying unit 57 reads the second conversion table corresponding to the environment category determined by the category determining unit 56 from the storage unit 50 in S702.
- the transition specifying unit 57 specifies the humidity transition of the elevator space using the read second conversion table (S703).
- the life calculator 54 calculates the life of the components arranged in the elevator space (S704).
- the life calculation unit 54 simulates component deterioration based on the temperature change specified by the change specifying unit 52, the humidity change specified by the change specifying unit 57, and the running history of the car 10, and calculates the life of the component. Is calculated.
- the travel history of the car 10 may be the number of travels of the car 10 or the travel distance of the car 10.
- the determining unit 55 determines the inspection time of the component (S705).
- the determination unit 55 determines the inspection time based on the life of the component calculated by the life calculation unit 54.
- the determining unit 55 may determine the replacement time of the component in S705. This makes it possible to create an appropriate maintenance plan according to the inspection time or replacement time of the part.
- the temperature transition specifying function is provided in the data center 2
- the above-described temperature transition specifying function may be provided in the elevator 1.
- a part of the temperature transition function may be provided in the elevator 1.
- FIG. 17 is a diagram illustrating an example of hardware resources of the control device 18.
- the control device 18 includes a processing circuit 60 including, for example, a processor 61 and a memory 62 as hardware resources.
- the control device 18 realizes the functions of the respective units indicated by reference numerals 30 to 32 by executing the program stored in the memory 62 by the processor 61.
- the processor 61 is also called a CPU (Central Processing Unit), a central processing unit, a processing unit, an arithmetic unit, a microprocessor, a microcomputer, or a DSP.
- a CPU Central Processing Unit
- a central processing unit a central processing unit
- a processing unit an arithmetic unit
- a microprocessor a microcomputer
- a DSP digital signal processor
- a semiconductor memory a magnetic disk, a flexible disk, an optical disk, a compact disk, a mini disk, or a DVD may be employed.
- the semiconductor memory that can be used includes a RAM, a ROM, a flash memory, an EPROM, an EEPROM, and the like.
- FIG. 18 is a diagram showing another example of the hardware resources of the control device 18.
- the control device 18 includes a processing circuit 60 including, for example, a processor 61, a memory 62, and dedicated hardware 63.
- FIG. 18 illustrates an example in which some of the functions of the control device 18 are implemented by dedicated hardware 63. All the functions of the control device 18 may be realized by the dedicated hardware 63.
- the dedicated hardware 63 a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC, an FPGA, or a combination thereof can be adopted.
- the components indicated by reference numerals 50 to 57 indicate the functions of the data center 2.
- the hardware resources of the data center 2 are the same as in the example shown in FIG.
- the data center 2 includes a processing circuit including, for example, a processor and a memory as hardware resources.
- the functions of the storage unit 50 are realized by the memory.
- the data center 2 realizes the functions of the respective units denoted by reference numerals 50 to 57 by executing the program stored in the memory by the processor.
- the data center 2 may include, as hardware resources, a processing circuit including a processor, a memory, and dedicated hardware. Further, all the functions of the data center 2 may be realized by dedicated hardware.
- 1 elevator, 2 data center, 3 communication network 10 car, 11 counterweight, 12 hoistway, 13 main rope, 14 hoist, 15 drive sheave, 16 electric motor, 17 brake, 18 control, 19 governor Machine, ⁇ 20 ⁇ emergency stop, ⁇ 21 ⁇ governing rope, ⁇ 22 ⁇ governing sheave, ⁇ 23 ⁇ stretcher, ⁇ 24 ⁇ safety device, ⁇ 25 ⁇ battery, ⁇ 26 ⁇ communication device, ⁇ 30 ⁇ operation control unit, ⁇ 31 ⁇ measuring unit, ⁇ 32 ⁇ temperature acquisition unit, ⁇ 40 ⁇ maintenance terminal, 41 ⁇ thermometer, ⁇ 42 ⁇ communication unit, ⁇ 50 ⁇ storage unit, ⁇ 51 ⁇ fluctuation calculation unit, ⁇ 52 ⁇ transition identification unit, ⁇ 53 ⁇ communication unit, ⁇ 54 ⁇ life calculation unit, ⁇ 55 ⁇ determination unit, ⁇ 56 ⁇ category determination unit, ⁇ 57 ⁇ transition identification unit, ⁇ 60 ⁇ processing circuit, # 61 Process , 62 memory, 63 dedicated hardware
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- Indicating And Signalling Devices For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
Description
図1は、実施の形態1におけるエレベーターシステムの例を示す図である。図1に示すエレベーターシステムは、エレベーター1、及びデータセンター2を備える。エレベーター1とデータセンター2とは、通信ネットワーク3を介して通信が可能である。エレベーター1とデータセンター2とが通信を行う方式は、如何なる方式であっても良い。図2は、エレベーター1に備えられた機器の接続例を示す図である。 Embodiment 1 FIG.
FIG. 1 is a diagram illustrating an example of an elevator system according to the first embodiment. The elevator system shown in FIG. 1 includes an elevator 1 and a
Claims (12)
- 特定の機器を用いてエレベーターのかごが特定の動作を行う診断運転において計測された値を記憶する記憶手段と、
前記記憶手段に記憶された値の経時変化から長期変動成分を除去することにより、前記経時変化の季節変動成分を算出する算出手段と、
前記算出手段によって算出された前記経時変化の季節変動成分とエレベーター空間の温度の実測値とに基づいて、前記エレベーター空間の温度推移を特定する第1特定手段と、
を備えた温度推移特定装置。 Storage means for storing a value measured in a diagnostic operation in which the elevator car performs a specific operation using a specific device,
Calculating means for calculating a seasonal variation component of the temporal change, by removing a long-term variation component from the temporal variation of the value stored in the storage means,
First specifying means for specifying a temperature transition of the elevator space based on a seasonal variation component of the temporal change and an actually measured value of the temperature of the elevator space calculated by the calculating means;
Temperature transition identification device provided with. - 前記機器はバッテリーであり、
前記診断運転において、前記バッテリーからの電力で前記かごが特定の走行を行い、
前記記憶手段に、前記診断運転において計測された前記バッテリーの最小電圧値が記憶された請求項1に記載の温度推移特定装置。 The device is a battery,
In the diagnostic operation, the car performs a specific traveling with power from the battery,
The temperature transition specifying device according to claim 1, wherein a minimum voltage value of the battery measured in the diagnostic operation is stored in the storage unit. - 前記機器は、前記かごを静止保持するためのブレーキ装置であり、
前記診断運転において、前記かごが特定の第1速度で移動している時に前記ブレーキ装置が動作し、
前記記憶手段に、前記診断運転において計測された前記かごの移動距離が記憶され、
前記移動距離は、前記ブレーキ装置が動作してから前記かごが停止するまでに前記かごが移動した距離である請求項1に記載の温度推移特定装置。 The device is a brake device for holding the car stationary,
In the diagnostic operation, the brake device operates when the car is moving at a specific first speed,
In the storage means, the travel distance of the car measured in the diagnostic operation is stored,
The temperature transition specifying device according to claim 1, wherein the moving distance is a distance that the car has moved from when the brake device operates to when the car stops. - 前記機器は、前記かごが基準速度より速い速度で終端階に進入すると前記かごを強制的に停止させる安全装置であり、
前記診断運転において、前記かごが前記基準速度より速い第2速度で前記終端階に進入し、
前記記憶手段に、前記診断運転において計測された前記かごの移動距離が記憶され、
前記移動距離は、前記安全装置が動作してから前記かごが停止するまでに前記かごが移動した距離である請求項1に記載の温度推移特定装置。 The device is a safety device that forcibly stops the car when the car enters the terminal floor at a speed higher than a reference speed,
In the diagnostic operation, the car enters the terminal floor at a second speed higher than the reference speed,
In the storage means, the travel distance of the car measured in the diagnostic operation is stored,
The temperature transition specifying device according to claim 1, wherein the moving distance is a distance that the car has moved from when the safety device operates to when the car stops. - 請求項1から請求項4の何れか一項に記載の温度推移特定装置と、
前記第1特定手段によって特定された温度推移と前記かごの走行履歴とに基づいて、前記エレベーター空間に配置された部品の寿命を算出する第2算出手段と、
前記第2算出手段が算出した寿命に基づいて、前記部品の点検時期又は交換時期を判定する判定手段と、
を備えた保守計画システム。 A temperature transition specifying device according to any one of claims 1 to 4,
A second calculating unit that calculates a life of a component arranged in the elevator space based on the temperature transition specified by the first specifying unit and the traveling history of the car;
Determining means for determining an inspection time or a replacement time of the component based on the life calculated by the second calculating means;
Maintenance planning system. - 請求項1から請求項4の何れか一項に記載の温度推移特定装置と、
前記第1特定手段によって特定された温度推移に基づいて、前記エレベーター空間が属する環境カテゴリーを決定するカテゴリー決定部と、
前記カテゴリー決定部によって決定された環境カテゴリーに基づいて、前記エレベーター空間に配置された部品の点検時期又は交換時期を判定する判定手段と、
を備えた保守計画システム。 A temperature transition specifying device according to any one of claims 1 to 4,
A category determining unit that determines an environmental category to which the elevator space belongs based on the temperature transition specified by the first specifying unit;
Determining means for determining an inspection time or a replacement time of a component arranged in the elevator space based on the environmental category determined by the category determining unit;
Maintenance planning system. - 請求項1から請求項4の何れか一項に記載の温度推移特定装置と、
前記第1特定手段によって特定された温度推移及び外気温度の差に基づいて、前記エレベーター空間が属する環境カテゴリーを決定するカテゴリー決定部と、
前記カテゴリー決定部によって決定された環境カテゴリーに基づいて、前記エレベーター空間の湿度推移を特定する第2特定手段と、
前記第1特定手段によって特定された温度推移と前記第2特定手段によって特定された湿度推移と前記かごの走行履歴とに基づいて、前記エレベーター空間に配置された部品の寿命を算出する第2算出手段と、
前記第2算出手段が算出した寿命に基づいて、前記部品の点検時期又は交換時期を判定する判定手段と、
を備えた保守計画システム。 A temperature transition specifying device according to any one of claims 1 to 4,
A category determining unit that determines an environmental category to which the elevator space belongs based on the difference between the temperature transition and the outside air temperature specified by the first specifying unit;
Second specifying means for specifying a humidity transition in the elevator space based on the environmental category determined by the category determining unit;
A second calculation for calculating a life of a component arranged in the elevator space based on the temperature transition specified by the first specifying unit, the humidity change specified by the second specifying unit, and the traveling history of the car; Means,
Determining means for determining an inspection time or a replacement time of the component based on the life calculated by the second calculating means;
Maintenance planning system. - エレベーターのかごと、
特定の機器と、
開始条件が成立すると診断運転を開始し、前記機器を用いて前記かごに特定の動作を行わせる運転制御手段と、
前記診断運転において特定の値を計測する計測手段と、
前記計測手段によって計測された値を記憶する記憶手段と、
前記記憶手段に記憶された値の経時変化から長期変動成分を除去することにより、前記経時変化の季節変動成分を算出する算出手段と、
前記算出手段によって算出された前記経時変化の季節変動成分とエレベーター空間の温度の実測値とに基づいて、前記エレベーター空間の温度推移を特定する特定手段と、
を備えたエレベーターシステム。 Elevator car,
Specific equipment,
An operation control unit that starts a diagnostic operation when the start condition is satisfied, and causes the car to perform a specific operation using the device,
Measuring means for measuring a specific value in the diagnostic operation,
Storage means for storing a value measured by the measurement means,
Calculating means for calculating a seasonal variation component of the temporal change, by removing a long-term variation component from the temporal variation of the value stored in the storage means,
Based on a seasonal variation component of the temporal change and an actual measured value of the temperature of the elevator space calculated by the calculating unit, a specifying unit that specifies a temperature transition of the elevator space,
Elevator system with. - 前記機器はバッテリーであり、
前記運転制御手段は、前記診断運転において、前記バッテリーからの電力で前記かごに特定の走行を行わせ、
前記計測手段は、前記バッテリーの電圧値を計測し、
前記記憶手段に、前記診断運転において前記計測手段によって計測された最小電圧値が記憶される請求項8に記載のエレベーターシステム。 The device is a battery,
The operation control means causes the car to perform a specific run with electric power from the battery in the diagnostic operation,
The measuring means measures a voltage value of the battery,
9. The elevator system according to claim 8, wherein the minimum voltage value measured by the measurement unit in the diagnostic operation is stored in the storage unit. - 前記機器は、前記かごを静止保持するためのブレーキ装置であり、
前記運転制御手段は、前記診断運転において、前記かごが特定の第1速度で移動している時に前記ブレーキ装置を動作させ、
前記計測手段は、前記診断運転において前記ブレーキ装置が動作してから前記かごが停止するまでに前記かごが移動した距離を計測し、
前記記憶手段に、前記計測手段によって計測された距離が記憶される請求項8に記載のエレベーターシステム。 The device is a brake device for holding the car stationary,
The operation control means operates the brake device when the car is moving at a specific first speed in the diagnostic operation,
The measuring means measures a distance traveled by the car until the car stops after the brake device operates in the diagnostic operation,
The elevator system according to claim 8, wherein the storage unit stores the distance measured by the measurement unit. - 前記機器は、前記かごが基準速度より速い速度で終端階に進入すると前記かごを強制的に停止させる安全装置であり、
前記運転制御手段は、前記診断運転において、前記かごを前記基準速度より速い第2速度で前記終端階に進入させ、
前記計測手段は、前記診断運転において前記安全装置が動作してから前記かごが停止するまでに前記かごが移動した距離を計測し、
前記記憶手段に、前記計測手段によって計測された距離が記憶される請求項8に記載のエレベーターシステム。 The device is a safety device that forcibly stops the car when the car enters the terminal floor at a speed higher than a reference speed,
The operation control means causes the car to enter the terminal floor at a second speed higher than the reference speed in the diagnostic operation,
The measuring means measures a distance traveled by the car before the car stops after the safety device operates in the diagnostic operation,
The elevator system according to claim 8, wherein the storage unit stores the distance measured by the measurement unit. - 保守員が携帯する保守端末に備えられた温度計と、
前記保守端末が前記エレベーター空間に存在する時に前記温度計によって計測された温度の実測値を取得する取得手段と、
を更に備え、
前記取得手段によって取得された温度の実測値が前記記憶手段に記憶される請求項8から請求項11の何れか一項に記載のエレベーターシステム。 A thermometer provided in a maintenance terminal carried by maintenance personnel,
Acquisition means for acquiring an actual measurement value of the temperature measured by the thermometer when the maintenance terminal is present in the elevator space,
Further comprising
The elevator system according to any one of claims 8 to 11, wherein the measured temperature value acquired by the acquisition means is stored in the storage means.
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PCT/JP2018/023314 WO2019244245A1 (en) | 2018-06-19 | 2018-06-19 | Temperature transition identification device, maintenance planning system, and elevator system |
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