WO2024084702A1 - Dispositif de surveillance - Google Patents

Dispositif de surveillance Download PDF

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Publication number
WO2024084702A1
WO2024084702A1 PCT/JP2022/039355 JP2022039355W WO2024084702A1 WO 2024084702 A1 WO2024084702 A1 WO 2024084702A1 JP 2022039355 W JP2022039355 W JP 2022039355W WO 2024084702 A1 WO2024084702 A1 WO 2024084702A1
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WO
WIPO (PCT)
Prior art keywords
charge capacity
current
full charge
monitoring device
predicted
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PCT/JP2022/039355
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English (en)
Japanese (ja)
Inventor
勝彦 後藤
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三菱電機ビルソリューションズ株式会社
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Priority to PCT/JP2022/039355 priority Critical patent/WO2024084702A1/fr
Publication of WO2024084702A1 publication Critical patent/WO2024084702A1/fr

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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
    • 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

  • This disclosure relates to an elevator monitoring device.
  • Patent Document 1 discloses a monitoring device for an elevator.
  • the monitoring device is connected to a secondary battery.
  • the monitoring device can estimate and monitor the capacity maintenance rate of the secondary battery in a fully charged state based on a life curve function, which is a relationship between the operating time and the capacity maintenance rate.
  • the life curve function changes depending on the corresponding temperature.
  • the life curve function is a function that corresponds to a single set environmental temperature. This reduces the accuracy of monitoring the capacity maintenance rate in a fully charged state.
  • the present disclosure has been made to solve the above-mentioned problems.
  • the purpose of the present disclosure is to provide a monitoring device that can more accurately monitor the deterioration state of a secondary battery.
  • the monitoring device is connected to a control device that controls an elevator car and is for communicating with the outside, and includes an acquisition unit that calculates an average temperature, which is the average value of the measured temperatures during the monitoring period from the previous calculation process to the current calculation process, based on the measured temperature of the secondary battery measured by a temperature sensor, a calculation unit that derives a current life curve function that indicates the relationship between the full charge capacity and the operating time of the secondary battery based on the average temperature and calculates the current full charge capacity from the current life curve function, and a determination unit that issues a warning when the current full charge capacity calculated by the calculation unit is smaller than a warning threshold.
  • the current life curve function is derived based on the average temperature of the secondary battery measured up until the calculation process is performed. This makes it possible to more accurately monitor the deterioration state of the secondary battery.
  • 1 is a schematic diagram of an elevator system to which a monitoring device in a first embodiment is applied.
  • 1 is a block diagram of a monitoring device according to a first embodiment.
  • 4 is a graph for explaining an algorithm executed by the monitoring device in the first embodiment.
  • 4 is a graph for explaining an algorithm executed by the monitoring device in the first embodiment.
  • 4 is a graph for explaining an algorithm executed by the monitoring device in the first embodiment.
  • 4 is a graph showing a plurality of correction points calculated by the monitoring device in the first embodiment.
  • 4 is a graph showing a plurality of correction points and a predicted life curve calculated by the monitoring device in the first embodiment.
  • 4 is a flowchart for explaining an overview of the operation of the monitoring device in the first embodiment.
  • FIG. 1 is a schematic diagram of an elevator system to which a monitoring device according to a first embodiment of the present invention is applied.
  • a hoistway 2 passes through each floor of a building 3.
  • a machine room 4 is provided directly above the hoistway 2.
  • a hoisting machine 5 is provided in the machine room 4.
  • a main rope 6 is wound around the hoisting machine 5.
  • a car 7 is hung on one side of the main rope 6 inside the hoistway 2.
  • a counterweight 8 is hung on the other side of the main rope 6 inside the hoistway 2.
  • the control device 9 is provided in the machine room 4.
  • the control device 9 can control the elevator device 1 as a whole.
  • the car 7 moves up and down in response to the rotation of the hoist 5.
  • the control device 9 controls the rotation of the hoist 5.
  • the car 7 is controlled by the control device 9.
  • the monitoring device 10 is provided in the machine room 4.
  • the monitoring device 10 is electrically connected to the control device 9.
  • the monitoring device 10 can monitor the state of the elevator device 1 based on information obtained from the control device 9.
  • the information center device 11 is provided at a location away from the building 3.
  • the information center device 11 is provided at a company that maintains the elevator device 1.
  • the monitoring device 10 is a device for communicating with the outside world via the network 12.
  • the monitoring device 10 can communicate with the information center device 11 via the network 12.
  • the elevator device 1 periodically performs diagnostic operation.
  • the monitoring device 10 transmits data obtained by the diagnostic operation to the information center device 11 via the network 12.
  • the monitoring device 10 receives power from a commercial power source (not shown).
  • the monitoring device 10 also includes a battery 13 as a backup power source.
  • the battery 13 is a secondary battery.
  • the battery 13 is capable of supplying power to the monitoring device 10. Under normal circumstances, the battery 13 is basically in a fully charged state due to trickle charging from the commercial power source.
  • the monitoring device 10 also includes a temperature sensor 14.
  • the temperature sensor 14 measures the environmental temperature around the monitoring device 10.
  • the environmental temperature around the monitoring device 10 may be considered to be the temperature in the vicinity of the battery 13.
  • the environmental temperature around the monitoring device 10 may be considered to be the temperature of the battery 13.
  • the temperature sensor 14 may be provided adjacent to the battery 13.
  • the battery 13 deteriorates over time.
  • the full charge capacity of the battery 13 which is the capacity of the battery in a fully charged state, decreases over time.
  • the full charge capacity falls below a specified replacement threshold, the battery 13 needs to be replaced.
  • the monitoring device 10 monitors the full charge capacity based on the temperature measured by the temperature sensor 14 and the operating time that has elapsed since the battery 13 was installed. For example, the monitoring device 10 detects that the full charge capacity has fallen below a warning threshold that is higher than the replacement threshold. In this case, the monitoring device 10 notifies the information center device 11 of a warning urging the user to plan for replacement of the battery 13. Furthermore, if the monitoring device 10 subsequently detects that the full charge capacity has fallen below the replacement threshold, it notifies the information center device 11 that the battery 13 should be replaced.
  • FIG. 2 is a block diagram of the monitoring device according to the first embodiment.
  • the monitoring device 10 includes a battery 13 as a power storage unit, a temperature sensor 14 as a measurement unit, a memory unit 15, a communication unit 16, an acquisition unit 17, and a life monitoring unit 18.
  • the storage unit 15 is a storage medium such as a RAM, ROM, flash memory, EPROM, or EEPROM.
  • the storage unit 15 stores programs that realize the various functions of the monitoring device 10.
  • the storage unit 15 stores information necessary for the operation of the monitoring device 10.
  • the storage unit 15 stores information obtained from the control device 9.
  • the communication unit 16 is an interface for communicating with the outside world.
  • the communication unit 16 can communicate with the control device 9.
  • the communication unit 16 can communicate with the information center device 11 via the network 12.
  • the acquisition unit 17 is an analog receiving plug.
  • the acquisition unit 17 can acquire a signal from the temperature sensor 14.
  • the acquisition unit 17 acquires an analog signal from the temperature sensor 14 as information on the measured temperature by analog-digital conversion.
  • the acquisition unit 17 samples the signal from the temperature sensor 14 at a specified period and acquires it as information on the measured temperature.
  • the sampling period of the acquisition unit 17 can be set arbitrarily. For example, sampling is performed twice a day.
  • the arithmetic unit is provided in the monitoring device 10.
  • the arithmetic unit has a processing circuit such as a processor.
  • the processing circuit includes a program counter, an instruction register, etc. that control the calculations.
  • the processing circuit includes a general-purpose register, an adder, etc. that actually perform the calculations.
  • the processing circuit of the arithmetic unit realizes each function of the monitoring device 10 by executing programs, etc. stored in the memory unit 15.
  • the lifespan monitoring unit 18 is part of the functions of the calculator.
  • the lifespan monitoring unit 18 includes an acquisition unit 20, a calculation unit 21, a judgment unit 22, and a prediction unit 23.
  • the lifespan monitoring unit 18 realizes an algorithm for correcting the lifespan of the battery 13 through the operation of each unit.
  • calculation processing is performed with the monitoring period as the length of one cycle.
  • the current calculation processing is performed by the lifespan monitoring unit 18 after the monitoring period has elapsed since the previous calculation processing.
  • the monitoring period can be set to any period. For example, the monitoring period is one week. It is preferable that the monitoring period be shorter than one month.
  • the acquisition unit 20 acquires information about the measured temperature from the capture unit 17.
  • the acquisition unit 20 may cause the capture unit 17 to sample the signal from the temperature sensor 14 at a specified period.
  • the acquisition unit 20 stores the information about the measured temperature in the memory unit 15.
  • the acquisition unit 20 calculates the average value of the measured temperatures stored in the memory unit 15 to calculate the average temperature T.
  • the average temperature T is the average value of the temperatures measured by the temperature sensor 14 during the monitoring period between the previous calculation process and the current calculation process.
  • the calculation unit 21 performs various calculations in the life correction algorithm. Specifically, the calculation unit 21 derives a life curve function based on the following formula (1), which is a basic formula stored in the memory unit 15.
  • the life curve function is a function that indicates the relationship between the operating time of the battery 13 and the full charge capacity.
  • the life curve function is a function that determines the full charge capacity Q.
  • the full charge capacity is the same as the capacity maintenance rate of the battery 13. The closer the value of the full charge capacity Q is to 1, the longer the life of the battery 13.
  • the temperature T is the temperature of the battery 13. In this embodiment, the temperature T corresponds to the average temperature T.
  • the unit of temperature is [°C].
  • Hp is the operating time that has elapsed since the battery 13 was installed. The operating time Hp is also simply expressed as H.
  • a and B are constants specific to the type of battery 13.
  • the calculation unit 21 derives the life curve function by substituting the constants A and B and the temperature T into equation (1). For example, in the i-th calculation process, the calculation unit 21 derives the i-th life curve function by substituting the constants A and B and the i-th average temperature T i into equation (1).
  • the calculation unit 21 can calculate the full charge capacity Q corresponding to the operating time H by substituting the operating time H into the life curve function.
  • the calculation unit 21 can also calculate the corresponding operating time H by substituting the full charge capacity Q into the life curve function.
  • the calculation unit 21 calculates the virtual operating time H' by substituting the full charge capacity in the previous calculation process into the life curve function in the current calculation process.
  • the virtual operating time H' is a virtual operating time calculated by substituting a full charge capacity equal to the previous full charge capacity into the current life curve function.
  • the value obtained by adding the monitoring period to the virtual operating time H' is substituted into the current life curve function, so that the current full charge capacity, which is the result of the deterioration of the full charge capacity at the average temperature from the previous calculation process to the current calculation process, can be calculated.
  • the calculation unit 21 also calculates the current operating time by adding the previous operating time and the monitoring period.
  • the calculation unit 21 creates information on the current correction point that associates the current operating time with the current full charge capacity, and stores this information in the memory unit 15.
  • the calculation unit 21 creates information on the correction point for each calculation process, and stores this information in the memory unit 15.
  • the determination unit 22 determines whether the current full charge capacity is smaller than the warning threshold. The determination unit 22 determines whether the current full charge capacity is smaller than the replacement threshold. The determination unit 22 sends a notification to the information center device 11 via the communication unit 16 depending on the determination result.
  • the prediction unit 23 derives a predicted life curve based on information on multiple correction points stored in the memory unit 15.
  • the prediction unit 23 calculates a predicted operating time when the predicted full charge capacity shown in the predicted life curve falls below the replacement threshold.
  • the prediction unit 23 calculates a predicted remaining life, which is the period until the predicted operating time is reached.
  • FIG. 3 to FIG. 3 to 5 are graphs for explaining an algorithm executed by the monitoring device in the first embodiment.
  • 3 to 5 show graphs showing the full charge capacity Q versus the operating time H of the battery 13.
  • the horizontal axis of the operating time H is in units of [years].
  • the full charge capacity Q is in units of [%], which is a percentage assuming that the full charge capacity Q of a battery in a non-operating state is 100%. In other words, it is a value expressing the right side of formula (1) as a percentage.
  • the units of the operating time H and the full charge capacity Q may be any units that correspond to formula (1).
  • the graphs show a straight line L A1 indicating the replacement threshold. For example, the replacement threshold is 32%.
  • the calculation unit 21 derives a reference life curve L0 .
  • the reference life curve L0 is a curve indicated by a reference life curve function obtained by substituting a reference temperature of 40° C. into equation (1).
  • the life monitoring unit 18 calculates a correction point P at every specified period ⁇ H.
  • the correction point P is represented by a tuple (H, Q) of the operating time H and the full charge capacity Q.
  • the correction point P can be represented as a point on the graphs in Figs. 3 to 5.
  • the i-th calculated correction point is also referred to as P i .
  • H i and Q i each correspond to P i .
  • the i-th correction point P i (H i , Q i ) is illustrated.
  • the calculation unit 21 calculates the full charge capacity Q1 by substituting the operating time H1 into the reference life curve function.
  • the operating time H1 is equal to ⁇ H.
  • the calculation unit 21 may derive the first life curve function L1 based on the average temperature T1 measured during the monitoring period O1 from the start of operation until the calculation of the first correction point P1 . In this case, the calculation unit 21 may calculate Q1 by substituting H1 into the first life curve function L1 .
  • the life monitoring unit 18 uses information on the previous correction point P i stored in the memory unit 15 to calculate the current correction point P i+1 , which is the (i+1)th correction point.
  • the acquisition unit 20 calculates a current average temperature T i+1 from temperatures measured during a monitoring period O i+1 from the i-th calculation to the (i+ 1)-th calculation.
  • the calculation unit 21 substitutes the current average temperature T i+1 into the basic life curve function to derive the (i+1)-th life curve function L i+1, which is the current life curve function.
  • the calculation unit 21 derives the i-th virtual correction point P i ', which is the previous virtual correction point. Specifically, the calculation unit 21 calculates the previous virtual operating time H i ' by substituting the previous full charge capacity Q i into the current life curve function L i+1 , and derives the i-th virtual correction point P i '(H i ', Q i ), which is the previous virtual correction point. That is, the i-th virtual correction point P i ' is a point on the (i+1)-th life curve that has the same full charge capacity Q i as the correction point P i .
  • the calculation unit 21 calculates the i+1th full charge capacity Q i+1 , which is the current full charge capacity, by substituting H i '+ ⁇ H, which is the virtual operation time H i ' plus the length ⁇ H of the monitoring period O i+1, into the life curve function L i+1.
  • the calculation unit 21 calculates the i+1th operation time H i + 1, which is the previous operation time H i +1 , by adding ⁇ H, as the current operation time. In this manner, the calculation unit 21 calculates the current correction point P i+1 (H i+1 , Q i+1 ).
  • the calculation unit 21 stores information on the current correction point P i+1 in the storage unit 15.
  • the determination unit 22 determines that the full charge capacity Q i+1 is equal to or greater than the warning threshold value.
  • the process shown in FIG. 4 can be regarded as a process of translating the line segment connecting point Pi' (H i ', Q i ) and point (H i ' + ⁇ H, Q i+1 ) in the direction of the operating time axis to correction point Pi , and deriving correction point Pi +1 from correction point Pi .
  • the life monitoring unit 18 calculates the (i+2)th correction point P i+2 as the current correction point.
  • the life monitoring unit 18 derives the average temperature T i+2 , the life curve function L i+2 , the virtual correction point P i+1 ', the full charge capacity Q i+2 , and the correction point P i+2 , similar to the operation shown in Fig. 4.
  • the life monitoring unit 18 performs the calculation by regarding the (i+1)th correction point P i+1 as the previous correction point, and regarding H i+1 and Q i+1 as the previous operating time and the previous full charge capacity.
  • FIG. 6 is a graph showing a plurality of correction points calculated by the monitoring device in embodiment 1.
  • Fig. 7 is a graph showing a plurality of correction points calculated by the monitoring device in embodiment 1 and a predicted life curve.
  • the correction line Ln is a line that shows a line segment connecting a plurality of correction points calculated by the life correction algorithm.
  • the correction line Ln can be considered as a line obtained by correcting the reference life curve L0 based on the actual average temperature.
  • Point A1 is the point on the correction line Ln where the full charge capacity is the replacement threshold. That is, point A1 is the intersection point between the correction line Ln and a straight line L A1 indicating the replacement threshold.
  • the operating time H A1 corresponding to point A1 is the life calculated by the life correction algorithm.
  • Point A2 is the point on correction line Ln where the full charge capacity becomes the warning threshold.
  • the warning threshold is set to 40%.
  • the operating time H A2 corresponding to point A2 is the warning time calculated by the life correction algorithm.
  • the difference between operating times H A1 and H A2 is the actual remaining life.
  • the actual remaining life is the grace period that elapses from when the monitoring device 10 issues a warning to replace the battery 13 until the battery reaches the end of its life.
  • Point B is the intersection point between the reference life curve L0 and the straight line LA1 . That is, the operating time corresponding to point B is the operating time at which replacement would have been performed if the life had been predicted based on the reference life curve L0 .
  • the difference between the operating time corresponding to point B and the operating time HA1 is about two years. That is, under the installation conditions of this example, it is shown that the battery 13 could be used about two years longer by monitoring based on the life correction algorithm compared to the case based on the reference life curve L0 .
  • the operating time H A2 may be shorter than the operating time corresponding to point B. In this case, the battery 13 is replaced at a safer time.
  • the predicted life curve LE is an approximation curve calculated so that a prescribed fitting condition is satisfied for a plurality of correction points.
  • the determination unit 22 issues a warning.
  • the prediction unit 23 starts a process of deriving a predicted life curve LE .
  • the prediction unit 23 acquires a plurality of correction points P1 to PK from 1 to k-th stored in the storage unit 15. Based on a function fitting technique, the prediction unit 23 derives a curve that satisfies a specified condition, such as that the distances between the plurality of correction points P1 to PK are within a specified distance in the coordinate system shown in Fig. 7, and sets the curve as a predicted life curve LE .
  • a specified condition such as that the distances between the plurality of correction points P1 to PK are within a specified distance in the coordinate system shown in Fig. 7, and sets the curve as a predicted life curve LE .
  • the prediction unit 23 derives the predicted life curve LE by deriving each constant and coefficient that satisfies a specified condition for a function such as formula (1).
  • the prediction unit 23 may derive the predicted life curve LE by a function form that combines a trigonometric function, a power series function, or the like, instead of a function form such as formula (1).
  • the prediction unit 23 applies the predicted life curve LE to an area where the operating time is longer than the multiple correction points P1 to PK , and derives an intersection E between the predicted life curve LE and a straight line LA1 . That is, the prediction unit 23 calculates a predicted replacement operating time HE at which the full charge capacity becomes a replacement threshold on the predicted life curve LE . The prediction unit 23 calculates a predicted remaining life, which is the difference between the operating time Hk corresponding to the correction point Pk and the predicted replacement operating time HE .
  • the prediction unit 23 notifies the information center device 11 of the information on the predicted replacement operation time H E and the information on the predicted remaining life.
  • a replacement plan for the battery 13 is formulated based on the information on the predicted replacement operation time H E and the information on the predicted remaining life.
  • the prediction unit 23 may derive the predicted life curve LE and the predicted replacement operation time H E at any timing other than when the full charge capacity falls below the warning threshold. In this case, the prediction unit 23 may derive the predicted life curve LE using the first correction point P1 to the latest correction point Pk .
  • FIG. 8 is a flowchart for explaining an outline of the operation of the monitoring device in the first embodiment.
  • step S01 the acquisition unit 17 waits until a specified sampling period has elapsed.
  • step S02 the acquisition unit 17 acquires temperature information from the temperature sensor 14.
  • step S03 the life monitoring unit 18 determines whether a period ⁇ H has elapsed since the previous calculation process.
  • step S03 If it is determined in step S03 that the period ⁇ H has not elapsed, the operations from step S01 onwards are repeated.
  • step S04 the acquisition unit 20 calculates the average temperature T i in the current monitoring period.
  • the calculation unit 21 derives the current life curve function based on the average temperature T i .
  • step S05 the calculation unit 21 calculates the virtual operating time by substituting the previous full charge capacity into the current life curve function.
  • the calculation unit 21 calculates the previous virtual correction point.
  • step S06 the calculation unit 21 calculates the current full charge capacity by substituting the sum of the virtual operating time and the monitoring period into the current life curve function.
  • the calculation unit 21 associates the current operating time with the current full charge capacity to calculate the current correction point.
  • the calculation unit 21 stores information about the current correction point in the memory unit 15.
  • step S07 the determination unit 22 determines whether the current full charge capacity is smaller than the warning threshold.
  • step S07 If it is determined in step S07 that the current full charge capacity is equal to or greater than the warning threshold, the operations from step S01 onwards are repeated.
  • step S07 If it is determined in step S07 that the current full charge capacity is smaller than the warning threshold, the operation of step S08 is performed. In step S08, the determination unit 22 determines whether the current full charge capacity is smaller than the replacement threshold.
  • step S09 the prediction unit 23 derives a predicted life curve function based on a plurality of correction points stored in the memory unit 15.
  • the prediction unit 23 calculates a predicted replacement operating time based on the predicted life curve function and the replacement threshold.
  • the prediction unit 23 calculates a predicted remaining life based on the predicted replacement operating time.
  • step S10 the judgment unit 22 notifies the information center device 11 of information indicating the predicted remaining life and a warning urging replacement. Then, the operations from step S01 onwards are repeated.
  • step S08 If it is determined in step S08 that the current full charge capacity is less than the replacement threshold, the operation of step S11 is performed.
  • step S11 the determination unit 22 notifies the information center device 11 that the battery 13 should be replaced. After that, the operations from step S01 onwards are repeated.
  • the monitoring device 10 includes an acquisition unit 20, a calculation unit 21, and a determination unit 22.
  • the monitoring device 10 derives a current life curve function based on the average temperature during the monitoring period.
  • the monitoring device 10 calculates a current full charge capacity based on the current life curve function.
  • the monitoring device 10 calculates a virtual operation time corresponding to the previous full charge capacity by substituting the previous full charge capacity into the current life curve function.
  • the monitoring device 10 calculates a current full charge capacity based on the virtual operation time.
  • the monitoring device 10 compares the current full charge capacity with the warning threshold. This makes it possible to more accurately monitor the deterioration state of the secondary battery, which is the battery 13.
  • the environment in which the battery is placed differs from site to site.
  • the monitoring device 10 can appropriately monitor the battery life for such different environments at each site.
  • the maintenance company of the elevator device 1 can more reliably replace the battery 13.
  • the full charge capacity can be calculated with less calculations than before, and with the same level of accuracy as before.
  • a life curve function is derived from a combination of the ambient temperature of the secondary battery, the state of charge (SOC: State of Charge), and the like.
  • SOC State of Charge
  • the monitoring device 10 derives the life curve function using a single model formula such as formula (1).
  • the full charge capacity can be calculated with less calculations than before, while having the same level of accuracy as these conventional technologies.
  • the monitoring device 10 further includes a prediction unit 23.
  • the monitoring device 10 derives a predicted life curve function such that a specified fitting condition is satisfied for a plurality of correction points.
  • the plurality of correction points are points that correspond to a full charge capacity calculated for each calculation process based on the actually measured operating time and average temperature. This makes it possible to derive a function that predicts the life more accurately.
  • the monitoring device 10 also calculates the predicted operating time and the predicted remaining life. This allows the information center device 11 to develop a replacement plan for the battery 13 based on more accurate calculations.
  • the monitoring device 10 may also be applied to an elevator system that does not have a machine room and in which the control device and other devices are installed inside the elevator shaft.
  • the monitoring device 10 may also be operated to monitor the lifespan of a secondary battery installed inside the elevator shaft 2 or inside the machine room 4, instead of the battery 13.
  • the monitoring device disclosed herein can be used in elevator equipment.

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'invention concerne un dispositif de surveillance avec lequel l'état de dégradation d'une batterie secondaire peut être surveillé plus précisément. Un dispositif de surveillance est destiné à communiquer avec l'extérieur et est relié à un dispositif de commande qui commande une cabine d'ascenseur. Le dispositif de surveillance comprend : une unité d'acquisition qui calcule, sur la base des températures de mesure d'une batterie secondaire mesurées par un capteur de température, une température moyenne qui est la valeur moyenne des températures mesurées pendant une période de surveillance allant du processus de calcul précédent au processus de calcul actuel; une unité arithmétique qui dérive une fonction de courbe de longévité actuelle indiquant la relation de la capacité de charge complète par rapport au temps de fonctionnement de la batterie secondaire, sur la base de la température moyenne, et calcule la capacité de charge complète actuelle à partir de la fonction de courbe de longévité actuelle; et une unité de détermination qui fournit une notification d'une alarme lorsque la capacité de charge complète actuelle calculée par l'unité arithmétique est inférieure à un seuil d'alarme.
PCT/JP2022/039355 2022-10-21 2022-10-21 Dispositif de surveillance WO2024084702A1 (fr)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006312528A (ja) * 2005-05-09 2006-11-16 Mitsubishi Electric Corp エレベータの電力蓄積装置
WO2009025307A1 (fr) * 2007-08-22 2009-02-26 Gs Yuasa Corporation Avion et procédé d'utilisation d'avion
JP2015040832A (ja) * 2013-08-23 2015-03-02 トヨタ自動車株式会社 蓄電システム及び蓄電装置の満充電容量推定方法
WO2020188662A1 (fr) * 2019-03-15 2020-09-24 三菱電機ビルテクノサービス株式会社 Dispositif ascenseur et dispositif de surveillance

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006312528A (ja) * 2005-05-09 2006-11-16 Mitsubishi Electric Corp エレベータの電力蓄積装置
WO2009025307A1 (fr) * 2007-08-22 2009-02-26 Gs Yuasa Corporation Avion et procédé d'utilisation d'avion
JP2015040832A (ja) * 2013-08-23 2015-03-02 トヨタ自動車株式会社 蓄電システム及び蓄電装置の満充電容量推定方法
WO2020188662A1 (fr) * 2019-03-15 2020-09-24 三菱電機ビルテクノサービス株式会社 Dispositif ascenseur et dispositif de surveillance

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