EP3929126A1 - Procédé de remplacement d'une batterie et système d'ascenseur - Google Patents

Procédé de remplacement d'une batterie et système d'ascenseur Download PDF

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Publication number
EP3929126A1
EP3929126A1 EP20182406.7A EP20182406A EP3929126A1 EP 3929126 A1 EP3929126 A1 EP 3929126A1 EP 20182406 A EP20182406 A EP 20182406A EP 3929126 A1 EP3929126 A1 EP 3929126A1
Authority
EP
European Patent Office
Prior art keywords
battery
elevator system
discharging
elevator
discharge request
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
Application number
EP20182406.7A
Other languages
German (de)
English (en)
Other versions
EP3929126B1 (fr
Inventor
Jasin Khabbal
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kone Corp
Original Assignee
Kone Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kone Corp filed Critical Kone Corp
Priority to DK20182406.7T priority Critical patent/DK3929126T3/da
Priority to FIEP20182406.7T priority patent/FI3929126T3/fi
Priority to ES20182406T priority patent/ES2944071T3/es
Priority to EP20182406.7A priority patent/EP3929126B1/fr
Publication of EP3929126A1 publication Critical patent/EP3929126A1/fr
Application granted granted Critical
Publication of EP3929126B1 publication Critical patent/EP3929126B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • 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
    • B66B1/46—Adaptations of switches or switchgear
    • B66B1/461—Adaptations of switches or switchgear characterised by their shape or profile
    • B66B1/466—Adaptations of switches or switchgear characterised by their shape or profile facilitating maintenance, installation, removal, replacement or repair
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B19/00—Mining-hoist operation
    • B66B19/007—Mining-hoist operation method for modernisation of elevators

Definitions

  • This invention relates to a solution for improving the safety of maintenance of an elevator system comprising a battery.
  • Known elevator systems contain one or more batteries associated with different elevator functions.
  • One or more batteries may be included in the power supply devices as backup for breaks in the electric supply, for instance.
  • the emergency lighting and emergency communication from the elevator car may be provided with one or more batteries.
  • An object of the present invention is to solve the above-mentioned drawback and to provide a solution which improves the safety in an elevator system where one or more batteries are utilized. This object is achieved with the solution defined in the independent method claim 1 and with the elevator system as defined in the independent claim 12.
  • the risk of injuries to personnel or to equipment can be minimized when the elevator system is arranged to discharge energy from the battery, in particular from a high-energy battery, in response to a discharge request. In this way, once service personnel start maintenance work involving the battery, the maintenance work can be done under more safe conditions than previously.
  • Figure 1 illustrates a first embodiment of a method of replacing a battery in an elevator system, which may be implemented in the elevator system 1 illustrated in Figure 3 , for instance.
  • the elevator system 1 is provided with power supply devices 2 connected to an electric network 3 for supplying power to operational devices 4, 10, 17, 19 of the elevator system.
  • the power supply devices 2 include a drive, such as a frequency converter, supplying electricity to the electrical motor 4 of a hoisting machinery 17 which moves an elevator car 5 and a counterweight 6 in an elevator shaft 7.
  • the power supply devices 2 may be located in several different locations. In Figure 3 it is by way of example assumed that the power supply devices 2 are located in an elevator control 8 controlling the operation of the elevator system 1.
  • the elevator control 8 may be located in a control cabinet in a machine room, for instance.
  • the elevator control may be disposed in a landing at one of the floors of the building, for instance. In that case the elevator control may be located next to a landing door, for instance.
  • the elevator control may be located in shaft 7, close to the hoisting machinery 17.
  • the elevator system 1 illustrated in Figure 1 is provided with one or more batteries 9.
  • two batteries 9 are illustrated by way of example.
  • One battery is included in the power supply devices 2, such as in connection with the drive.
  • the battery 9 can operate as a backup power supply during power outage of the mains from the electric network 3.
  • the elevator car 5 With power supplied from this elevator drive battery, the elevator car 5 may be relocated to a landing to release elevator passengers.
  • the battery 9 can also be a backup power supply for one or more hoisting machinery 17 brakes.
  • the elevator car 5 has a backup power supply in the form of a battery 9 to secure operation of selected functions, such as emergency lighting 10 and an emergency communication device 20. Irrespectively of the number or locations of the batteries 9, these batteries are charged by a monitoring unit 11 including a battery charger and a switch, which is included in the power supply devices 2 in the illustrated example.
  • the battery replacement method of Figure 1 is initiated in step A by triggering a discharge request to the elevator control 8. This discharge request may be triggered in several alternative ways, as illustrated in Figure 3 .
  • the elevator control 8 may be provided with a manual input 12 which is used to trigger the discharge request.
  • the manual input 12 may be a keyboard with buttons, or alternative as a connector socket to which a maintenance person may connect a counterpart socked of a portable keyboard. In any case, by pressing a correct button or button combination, the discharging request may be triggered to the elevator control 8.
  • a second alternative is that the maintenance person is provided with a mobile communication device 13 which transmits the discharging request wirelessly directly to the elevator control 8, or alternatively, wirelessly to a communication system 14, which forwards the discharging request wirelessly or via a wired connection to the elevator control 8.
  • a third alternative is that the discharging request is triggered remotely at a remote service center 15 or in a cloud, from where the discharge request is forwarded via a communication system 14 to the elevator control 8.
  • Maintenance module refers to a service module containing service operations. Such a module 16 may be implemented by software only or by a combination of software and hardware, for instance. Maintenance modules will be scheduled in advance in a service center or in a cloud. Each maintenance module contains selected maintenance operations to be performed in elevator site by service personnel. When a maintenance module includes battery replacing operation, discharge request may be triggered such that the battery will be discharged shortly before the maintenance personnel arrives to the site of the elevator system. Alternatively, the service person may access a user interface to schedule a date and time when maintenance is planned, in which case elevator control 8 may trigger the discharge request at the scheduled time.
  • discharging of the first battery 9, which refers to a battery currently used in the elevator system 1, is initiated in step B of Figure 1 .
  • the used discharging alternative may be fixed, in such a way that the same discharging alternative is always used.
  • the discharge load is selected separately by the elevator control or maintenance personnel each time discharging is needed. In that case the elevator status may determine the most appropriate discharging alternative for that specific moment.
  • a first alternative is that the discharging is carried out by connecting the battery 9 to an operational device of the elevator system which during operation of the elevator system consumes the charged energy from the battery 9.
  • operational devices include a line filter of the drive which is included in the power supply devices 2, lighting devices 10 in the elevator car the electric motor 4 of the hoisting machinery 17 and a braking resistor 19.
  • a second alternative is that the elevator system is provided with a dedicated discharging equipment 18 and that the battery is discharged by connecting it to this discharging equipment.
  • a discharging equipment may include a resistor which consumes the energy charged in the battery 9 and dissipates it as heat to surroundings, for instance.
  • a third alternative is that the discharging is done to the mains network, in other words to the electric network 3.
  • the monitoring unit 11 may be provided with a battery charger and also with a switch controlling the charging and discharging under control of the elevator control 8.
  • the elevator control 8 interrupts charging of the first battery 9 and discharges the first battery 9 by changing a state of the switch of the monitoring unit 11 such that the first battery 9 is disconnected from the power supply devices 2 and connected to one of the operational devices of the elevator system 1 or to the dedicated discharging equipment 18 which consumes energy from the battery.
  • the first battery 9 can be removed from the elevator system 1 in step C of Figure 1 .
  • a second new battery may be installed in the elevator system 1 as a replacement to the removed first battery.
  • Figure 2 illustrates a second method of replacing a battery in an elevator system, which also may be implemented in the elevator system 1 illustrated in Figure 3 , for instance.
  • the embodiment of Figure 2 is very similar to the one explained in connection with Figure 1 . Therefore, in the following, the embodiment of Figure 2 will be mainly explained by pointing out the differences as compared to the embodiment of Figure 1 .
  • an additional method step E is included where it is checked whether or not the charging level of the first battery has reached a predetermined level. Consequently, discharging of the first battery 9 continues until the charging of the first battery reaches a predetermined level or limit.
  • the monitoring unit 11 monitors the state of the first battery and interrupts the discharging when the charging level reaches the predetermined level.
  • the predetermined level at which discharging should be interrupted varies depending on the battery type. Typically discharging should be interrupted when the charging level reaches 50% to 30% of the full charge. In case of a high energy density battery such as a Li-Ion battery, discharging should be interrupted when the battery has a charging level SoC (State of Charge) mentioned in the United Nations Recommendations on the Transport of Dangerous Goods UN3480 or UN3481. The current version for year 2020 of UN3480 and UN3481 mention a current SoC limit of 30%, though this limit may change in later versions of these regulations. Consequently, charging of such a battery may be interrupted at 30% of the full charge, for instance. Alternatively or additionally, elevator control may be configured such that the discharge level is adjustable and can be changed manually and / or remotely.
  • SoC State of Charge
  • an additional method step F is included.
  • the maintenance person after triggering discharging of the first battery 9, remains waiting for an indication verifying that the battery has actually been discharged.
  • Such an indication may be provided by the elevator control 8 via the manual input 12, for instance, once the monitoring unit 11 has determined that the first battery has been discharged to a correct level.

Landscapes

  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Elevator Control (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
EP20182406.7A 2020-06-26 2020-06-26 Procédé de remplacement d'une batterie et système d'ascenseur Active EP3929126B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DK20182406.7T DK3929126T3 (da) 2020-06-26 2020-06-26 Fremgangsmåde til udskiftning af et batteri og et elevatorsystem
FIEP20182406.7T FI3929126T3 (fi) 2020-06-26 2020-06-26 Menetelmä akun vaihtamiseksi ja hissijärjestelmä
ES20182406T ES2944071T3 (es) 2020-06-26 2020-06-26 Método de sustitución de una batería y un sistema de elevador
EP20182406.7A EP3929126B1 (fr) 2020-06-26 2020-06-26 Procédé de remplacement d'une batterie et système d'ascenseur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20182406.7A EP3929126B1 (fr) 2020-06-26 2020-06-26 Procédé de remplacement d'une batterie et système d'ascenseur

Publications (2)

Publication Number Publication Date
EP3929126A1 true EP3929126A1 (fr) 2021-12-29
EP3929126B1 EP3929126B1 (fr) 2023-02-15

Family

ID=71170368

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20182406.7A Active EP3929126B1 (fr) 2020-06-26 2020-06-26 Procédé de remplacement d'une batterie et système d'ascenseur

Country Status (4)

Country Link
EP (1) EP3929126B1 (fr)
DK (1) DK3929126T3 (fr)
ES (1) ES2944071T3 (fr)
FI (1) FI3929126T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024040263A1 (fr) * 2022-08-19 2024-02-22 Safeworks, Llc Système d'ascenseur de parc éolien alimenté par batterie

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020053490A1 (en) * 2000-11-09 2002-05-09 Hirokazu Banno Apparatus for controlling elevator
US20170260026A1 (en) * 2014-07-31 2017-09-14 Franck Dominguez Battery installed in elevator car

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020053490A1 (en) * 2000-11-09 2002-05-09 Hirokazu Banno Apparatus for controlling elevator
US20170260026A1 (en) * 2014-07-31 2017-09-14 Franck Dominguez Battery installed in elevator car

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
APCS/CARGO: "APCS/Cargo Lithium Battery Guidance Document Transport of Lithium Metal and Lithium Ion Batteries Revised for the 2015 Regulations", 27 November 2014 (2014-11-27), XP055525153, Retrieved from the Internet <URL:https://www.costha.com/uploads/PDF/1418409745_lithium-battery-guidance-document-2015-en.pdf> [retrieved on 20181120] *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024040263A1 (fr) * 2022-08-19 2024-02-22 Safeworks, Llc Système d'ascenseur de parc éolien alimenté par batterie

Also Published As

Publication number Publication date
FI3929126T3 (fi) 2023-05-09
EP3929126B1 (fr) 2023-02-15
ES2944071T3 (es) 2023-06-19
DK3929126T3 (da) 2023-04-24

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