WO2014184924A1 - エレベータの制御システム - Google Patents
エレベータの制御システム Download PDFInfo
- Publication number
- WO2014184924A1 WO2014184924A1 PCT/JP2013/063659 JP2013063659W WO2014184924A1 WO 2014184924 A1 WO2014184924 A1 WO 2014184924A1 JP 2013063659 W JP2013063659 W JP 2013063659W WO 2014184924 A1 WO2014184924 A1 WO 2014184924A1
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- Prior art keywords
- power
- elevator
- value
- storage device
- control system
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
- B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
- B66B1/30—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on driving gear, e.g. acting on power electronics, on inverter or rectifier controlled motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
Definitions
- This invention relates to an elevator control system.
- Patent Document 1 continues to operate using the power of the power storage device during a power failure.
- Japanese Patent No. 4679756 Japanese Unexamined Patent Publication No. 2002-145543 Japanese Unexamined Patent Publication No. 2003-329552 Japanese Patent Laid-Open No. 2001-240323 Japanese Unexamined Patent Publication No. 2007-137620 Japanese Patent No. 4343381
- an object of the present invention is to provide an elevator control system capable of precisely storing power in a power storage device when limited power is supplied.
- the elevator control system includes a voltage detection unit that detects a voltage value of a power storage device that stores power used for an elevator, and a power limit value when power that can be supplied to the elevator from the outside is limited. Based on the power limit detection unit and the voltage value, the allowable current value that flows from the outside to the power storage device when the power that can be supplied to the elevator is limited is determined based on the power limit value and the voltage value And an allowable current determination unit.
- the power when a limited amount of power is supplied, the power can be stored in the power storage device precisely.
- FIG. 1 is a configuration diagram of an elevator using an elevator control system according to Embodiment 1 of the present invention.
- a power backup system (not shown) is applied to a commercial power source 1 such as a building or a condominium.
- the power backup system includes at least one of a private power generation facility, a solar power generation facility, a power storage facility, and the like.
- the input end of the power cutoff unit 2 is connected to the output end of the commercial power source 1.
- the input end of the converter 3 is connected to the output end of the power interrupting unit 2.
- the input end of the DC bus 4 is connected to the output end of the converter 3.
- the input end of the inverter 5 is connected to the output end of the DC bus 4.
- the output end of the inverter 5 is connected to the input end of the electric motor 6.
- a hoisting machine 7 is provided on the output shaft of the electric motor 6.
- a rope 8 is wound around the hoisting machine 7.
- a car 9 is suspended from one end of the rope 8.
- a counterweight 10 is suspended from the other end of the rope 8.
- a smoothing capacitor 11 and a regenerative resistor 12 are connected to the DC bus 4. Between the smoothing capacitor 11 and the regenerative resistor 12, the DC bus 4 is connected to the input end of the power cut-off unit 13. The input end of the charging / discharging device 14 is connected to the output end of the power interrupting unit 13. A power storage device 15 is connected to the output terminal of the charge / discharge device 14. The power storage device 15 is selected according to the system scale of the elevator.
- a current detection device 16 is connected to the output side of the inverter 5.
- An encoder 17 is provided in the vicinity of the hoisting machine 7.
- a voltage detection device 18 is connected between the charge / discharge device 14 and the power storage device 15.
- the elevator control device 19 is connected to the current detection device 16, the encoder 17, and the voltage detection device 18.
- the elevator control device 19 is provided with a required power calculation circuit 19a and an allowable current determination circuit 19b.
- the elevator control device 19 is connected to the inverter 5.
- a commercial power limit detection device 20 is connected to the elevator control device 19.
- the elevator control device 19 is connected to the charge / discharge control device 21.
- the charge / discharge control device 21 is provided with a current value limiting circuit 21a.
- the charge / discharge control device 21 is connected to the charge / discharge device 14.
- Commercial power source 1 outputs AC power as an external power source.
- the AC power is input to the converter 3.
- Converter 3 rectifies AC power and converts it into DC power.
- the DC power is input to the inverter 5.
- the inverter 5 converts the DC power into AC power having a variable voltage and variable frequency.
- the current detection device 16 detects the output current value of the inverter 5.
- the electric motor 6 is driven by the AC power.
- the hoisting machine 7 rotates.
- the encoder 17 detects the rotational speed of the hoisting machine 7.
- the rope 8 moves by the rotation. By this movement, the car 9 and the counterweight 10 are raised and lowered.
- the elevator control device 19 determines the start and stop of the elevator.
- the elevator control device 19 creates a position command and a speed command for the car 9.
- the inverter 5 rotationally drives the electric motor 6 based on the position command and the speed command from the elevator control device 19.
- the current feedback from the current detection device 16 and the speed feedback from the encoder 17 are considered.
- the charge / discharge control device 21 controls the charge / discharge device 14. With this control, the power storage device 15 stores the DC power from the DC bus 4. During the power running operation of the elevator, the charge / discharge control device 21 controls the charge / discharge device 14. With this control, the power storage device 15 reuses the stored DC power. As a result, the power consumption of the commercial power source 1 is suppressed.
- the commercial power source 1 supplies limited power using a power backup system.
- the commercial power limit detection device 20 detects a power limit value that can be supplied to the elevator as a power limit detection unit.
- the required power calculation circuit 19a calculates the required power value of the elevator.
- the voltage detection device 18 detects a voltage value of the power storage device 15 as a voltage detection unit.
- the allowable current determination circuit 19b functions as an allowable current determination unit from the commercial power source 1 to the power storage device based on the power limit value of the elevator and the voltage value of the power storage device 15. 15 is determined. Based on the command corresponding to the determination, the current value limiting circuit 21a controls the charging / discharging device 14. By this control, a current having a value within the allowable current value flows through the power storage device 15.
- the allowable current determination circuit 19b serves as the allowable current determination unit based on the power limit value of the elevator, the required power value of the elevator, and the voltage value of the power storage device 15, The allowable current value flowing from the source 1 to the power storage device 15 is determined. Based on the command corresponding to the determination, the current value limiting circuit 21a controls the charging / discharging device 14. By this control, a current having a value within the allowable current value flows through the power storage device 15.
- FIG. 2 is a diagram for explaining electric power that can be used in an elevator using the elevator control system according to Embodiment 1 of the present invention.
- the horizontal axis in FIG. 2 is time.
- the vertical axis in FIG. 2 is power.
- Fig. 2 when a power failure occurs, there is no power available for the elevator. Thereafter, the private power generation facility and the like are activated. By the start-up, the elevator can use electric power within a power limit value. At this time, the power limit value is smaller than the initial power value.
- the power limit value is set by the power supply capacity value of the private power generation facility, the number of systems connected to the same system as the elevator, and the like.
- FIG. 3 is a diagram for explaining a method of calculating an allowable current value by the elevator control system according to Embodiment 1 of the present invention.
- the allowable power determination circuit 19b receives the power limit value of the elevator and the voltage value of the power storage device 15.
- the power limit value of the elevator and the voltage value of the power storage device 15 change from moment to moment.
- the allowable current determination circuit 19b calculates the change in the allowable current value by always dividing the power limit value of the elevator by the voltage value of the power storage device 15.
- FIG. 4 is a diagram for explaining a method of calculating an allowable current value by the elevator control system according to Embodiment 1 of the present invention.
- the required power calculation circuit 19a calculates the required power value during elevator operation in the same manner as that described in Japanese Patent No. 4343381. Specifically, the required power calculation circuit 19a calculates the product of the voltage command value Vd and the stator winding current command value Id * in the dq coordinate system. The required power calculation circuit 19a calculates the product of the voltage command value Vq and the stator winding current command value Iq * in the dq coordinate system. The required power calculation circuit 19a calculates the required power value of the elevator by adding these products.
- the allowable current determination circuit 19b receives the elevator power limit value, the elevator power requirement value, and the voltage value of the power storage device 15.
- the power limit value of the elevator, the required power value of the elevator, and the voltage value of the power storage device 15 vary from moment to moment.
- the allowable current determination circuit 19b calculates a power value that can be used for power storage of the power storage device 15 by subtracting the required power value of the elevator from the power limit value of the elevator.
- the allowable current determination circuit 19 b calculates the change in the allowable current value by always dividing the power value that can be used for storing the power storage device 15 by the voltage value of the power storage device 15.
- FIG. 5 is a diagram of the required electric power value of the elevator using the elevator control system according to Embodiment 1 of the present invention.
- the horizontal axis in FIG. 5 is time.
- the vertical axis in FIG. 5 is power.
- the elevator operates in a time zone in which the power limit value of the elevator is larger than the required power value of the elevator.
- a current from the commercial power source 1 flows through the power storage device 15.
- the elevator stops in a time zone where the power limit value of the elevator is equal to or lower than the required power value of the elevator. In this case, no current from the commercial power source 1 flows through the power storage device 15. As a result, the power storage device 15 is not charged.
- the allowable current value flowing from the commercial power source 1 to the power storage device 15 is determined based on the power limit value of the elevator and the voltage value of the power storage device 15. For this reason, when the limited electric power is supplied, it is possible to store the electric power storage device 15 densely without waste. As a result, long-time power backup can be performed.
- the allowable current value changes according to the change in the elevator power limit value. For this reason, the power storage device 15 can be charged more precisely.
- the allowable current value is determined in consideration of the required power value of the elevator. As a result, power can be stored in the power storage device 15 while securing the power of the elevator. For this reason, the operation of the elevator can be continued. Due to the continuation, it is possible to suppress a decrease in elevator service.
- the allowable current value changes according to the change in the required power value of the elevator. For this reason, the power storage device 15 can be charged more precisely.
- FIG. 6 is a block diagram of an elevator control device used in an elevator control system according to Embodiment 2 of the present invention.
- symbol is attached
- the elevator control device 19 according to the second embodiment is different from the elevator control device 19 according to the first embodiment in that a storage circuit 19c, a storage amount confirmation circuit 19d, a car load factor determination circuit 19e, a serviceable floor determination circuit 19f, and a lighting control circuit 19g. Is added.
- the storage circuit 19c has a function of storing, as a storage unit, a power amount Wn necessary from the departure floor to the destination floor in advance as an elevator specification table.
- the storage amount confirmation circuit 19d has a function of confirming the dischargeable storage amount Wd of the power storage device 15 as a storage amount confirmation unit.
- the car load factor determination circuit 19e has a function of determining the load factor in the car 9 as a car load factor determination unit.
- the serviceable floor determination circuit 19f has a function of calculating the supply power amount of the elevator by adding the power supply capability value W1 of the commercial power source 1 to the product of the dischargeable storage amount Wd and the discharge efficiency Kd.
- the serviceable floor determination circuit 19f has a function of calculating the required power amount of the elevator by multiplying the load factor ⁇ minus the CWT rate C by the power amount Wn and the rated load amount Lf.
- the serviceable floor determination circuit 19f determines, as a serviceable floor, a destination floor where the amount of power supplied to the elevator is larger than the required power amount of the elevator when the stop floor is the departure floor.
- the lighting control circuit 19g has a function of changing the lighting state of the floor button corresponding to the serviceable floor in the car 9 as a lighting control unit.
- FIG. 7 is a diagram of the required electric power value of the elevator using the elevator control system in Embodiment 2 of the present invention.
- the horizontal axis in FIG. 7 is time.
- the vertical axis in FIG. 7 is power.
- the elevator operates in a time zone in which the power limit value of the elevator is larger than the required power value of the elevator.
- a current from the commercial power source 1 flows through the power storage device 15.
- the power storage device 15 is charged.
- the electric power stored in the power storage device 15 is supplied to the elevator in a time zone in which the power limit value of the elevator is equal to or lower than the required power value of the elevator.
- FIG. 8 is a flowchart for explaining the operation of the elevator control apparatus used in the elevator control system according to Embodiment 2 of the present invention.
- step S1 the elevator control device 19 confirms the power supply capacity value W1 of the elevator. Thereafter, the process proceeds to step S2, and the storage amount confirmation circuit 19d confirms the dischargeable storage amount Wd of the power storage device 15. Thereafter, the process proceeds to step S3, and the car load factor determination circuit 19e confirms the load factor ⁇ in the car 9.
- step S4 the serviceable floor determination circuit 19f determines that the amount of power supplied to the elevator is higher than the required power amount of the elevator when the floor corresponding to the floor button pressed in the car 9 is the target floor. Judge whether or not to increase.
- step S4 If it is determined in step S4 that the amount of power supplied to the elevator is less than or equal to the required power amount of the elevator, the process proceeds to step S5.
- step S5 the elevator control device 19 prevents the elevator from starting. As a result, the elevator is in a standby state. If the amount of power supplied to the elevator is larger than the amount of power required for the elevator in step S4, the process proceeds to step S6.
- step S6 the elevator controller 19 permits the elevator to start. As a result, the car 9 travels to the destination floor.
- the serviceable floor is determined based on the power supply capacity value W1 and the dischargeable storage amount Wd. For this reason, the operation of the elevator can be continued. Due to the continuation, it is possible to suppress a decrease in elevator service.
- the lighting state of the floor button corresponding to the serviceable floor changes.
- the state of the floor button corresponding to the serviceable floor changes from lighting to blinking.
- the user can easily recognize the serviceable floor.
- the user can use the elevator with peace of mind.
- the elevator control system according to the present invention can be used for a system that stores electricity precisely in a power storage device when limited power is supplied.
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Elevator Control (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
Description
図1はこの発明の実施の形態1におけるエレベータの制御システムを利用したエレベータの構成図である。
図2はこの発明の実施の形態1におけるエレベータの制御システムを利用したエレベータで使用できる電力を説明するための図である。図2の横軸は時間である。図2の縦軸は電力である。
図3はこの発明の実施の形態1におけるエレベータの制御システムによる許容電流値の算出方法を説明するための図である。
図4はこの発明の実施の形態1におけるエレベータの制御システムによる許容電流値の算出方法を説明するための図である。
図5はこの発明の実施の形態1におけるエレベータの制御システムを利用したエレベータの所要電力値の図である。図5の横軸は時間である。図5の縦軸は電力である。
図6はこの発明の実施の形態2におけるエレベータの制御システムに利用されるエレベータ制御装置のブロック図である。なお、実施の形態1と同一又は相当部分には同一符号を付して説明を省略する。
図7はこの発明の実施の形態2におけるエレベータの制御システムを利用したエレベータの所要電力値の図である。図7の横軸は時間である。図7の縦軸は電力である。
図8はこの発明の実施の形態2におけるエレベータの制御システムに用いるエレベータ制御装置の動作を説明するためのフローチャートである。
Claims (6)
- エレベータに利用する電力を蓄積する電力蓄積装置の電圧値を検出する電圧検出部と、
外部から前記エレベータに供給し得る電力が制限された際に電力制限値を検出する電力制限検出部と、
前記電力制限値と前記電圧値とに基づいて、外部から前記エレベータに供給し得る電力が制限された際に外部から前記電力蓄積装置へ流れる許容電流値を決定する許容電流決定部と、
を備えたエレベータの制御システム。 - 前記電力制限検出部は、前記電力制限値の変化を検出し、
前記許容電流決定部は、前記電力制限値の変化に応じて、前記許容電流値を変化させる請求項1に記載のエレベータの制御システム。 - エレベータの所要電力値を演算する所要電力演算部、
を備え、
前記許容電流決定部は、前記電力制限値と前記所要電力値と前記電圧値とに基づいて、前記許容電流値を決定する請求項1に記載のエレベータの制御システム。 - 前記電力制限検出部は、前記電力制限値の変化を検出し、
前記所要電力演算部は、前記所要電力値の変化を演算し、
前記許容電流決定部は、前記電力制限値の変化と前記所要電力値の変化とに応じて、前記許容電流値を変化させる請求項3に記載のエレベータの制御システム。 - 外部の電力供給能力値と前記電力蓄積装置の蓄電量とに基づいて、前記エレベータのサービス可能階を判定する判定部、
を備えた請求項1~請求項4のいずれか一項に記載のエレベータの制御システム。 - 前記エレベータのかご内において、前記サービス可能階に対応した階床ボタンの点灯状態を変化させる制御部、
を備えた請求項5に記載のエレベータの制御システム。
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CN201380076564.7A CN105228938B (zh) | 2013-05-16 | 2013-05-16 | 电梯控制*** |
JP2015516834A JP6020717B2 (ja) | 2013-05-16 | 2013-05-16 | エレベータの制御システム |
PCT/JP2013/063659 WO2014184924A1 (ja) | 2013-05-16 | 2013-05-16 | エレベータの制御システム |
DE112013007081.2T DE112013007081B4 (de) | 2013-05-16 | 2013-05-16 | Aufzugsteuersystem |
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PCT/JP2013/063659 WO2014184924A1 (ja) | 2013-05-16 | 2013-05-16 | エレベータの制御システム |
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CN (1) | CN105228938B (ja) |
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WO (1) | WO2014184924A1 (ja) |
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EP3653557B1 (en) * | 2018-11-14 | 2022-04-20 | Otis Elevator Company | Elevator alarm systems |
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JP2002137875A (ja) * | 2000-11-01 | 2002-05-14 | Mitsubishi Electric Corp | エレベータの停電時運転装置 |
JP2002154759A (ja) * | 2000-11-22 | 2002-05-28 | Mitsubishi Electric Corp | エレベーターの非常電力制御装置 |
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JP2013018575A (ja) * | 2011-07-08 | 2013-01-31 | Mitsubishi Electric Corp | エレベータの制御装置 |
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JP4343381B2 (ja) | 2000-02-28 | 2009-10-14 | 三菱電機株式会社 | エレベーターの制御装置 |
JP2001240323A (ja) | 2000-02-28 | 2001-09-04 | Mitsubishi Electric Corp | エレベーターの制御装置 |
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JP2002145543A (ja) * | 2000-11-09 | 2002-05-22 | Mitsubishi Electric Corp | エレベータの制御装置 |
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JP4679756B2 (ja) * | 2001-05-25 | 2011-04-27 | 三菱電機株式会社 | エレベータの制御装置 |
JP4154908B2 (ja) * | 2002-03-27 | 2008-09-24 | フジテック株式会社 | 交流エレベータの電源装置 |
JP2003312952A (ja) | 2002-04-24 | 2003-11-06 | Mitsubishi Electric Corp | エレベータの制御装置 |
JP4619039B2 (ja) * | 2004-05-12 | 2011-01-26 | 東芝エレベータ株式会社 | エレベータ制御装置 |
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- 2013-05-16 JP JP2015516834A patent/JP6020717B2/ja active Active
- 2013-05-16 CN CN201380076564.7A patent/CN105228938B/zh active Active
- 2013-05-16 DE DE112013007081.2T patent/DE112013007081B4/de active Active
- 2013-05-16 WO PCT/JP2013/063659 patent/WO2014184924A1/ja active Application Filing
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JPS5413156A (en) * | 1978-07-05 | 1979-01-31 | Hitachi Ltd | Method of controlling elevator cage |
JP2002137875A (ja) * | 2000-11-01 | 2002-05-14 | Mitsubishi Electric Corp | エレベータの停電時運転装置 |
JP2002154759A (ja) * | 2000-11-22 | 2002-05-28 | Mitsubishi Electric Corp | エレベーターの非常電力制御装置 |
JP2004018124A (ja) * | 2002-06-12 | 2004-01-22 | Mitsubishi Electric Corp | エレベータの制御装置 |
JP2012188229A (ja) * | 2011-03-10 | 2012-10-04 | Toshiba Elevator Co Ltd | エレベータ救助運転システムおよび方法 |
JP2013018575A (ja) * | 2011-07-08 | 2013-01-31 | Mitsubishi Electric Corp | エレベータの制御装置 |
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Publication number | Publication date |
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DE112013007081B4 (de) | 2019-04-18 |
CN105228938A (zh) | 2016-01-06 |
DE112013007081T5 (de) | 2016-01-28 |
CN105228938B (zh) | 2017-05-03 |
JP6020717B2 (ja) | 2016-11-02 |
JPWO2014184924A1 (ja) | 2017-02-23 |
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