EP1154948B1 - Logique de commande pour onduleur desservant les moteurs de levage et des portes d'ascenseur - Google Patents
Logique de commande pour onduleur desservant les moteurs de levage et des portes d'ascenseur Download PDFInfo
- Publication number
- EP1154948B1 EP1154948B1 EP00919319A EP00919319A EP1154948B1 EP 1154948 B1 EP1154948 B1 EP 1154948B1 EP 00919319 A EP00919319 A EP 00919319A EP 00919319 A EP00919319 A EP 00919319A EP 1154948 B1 EP1154948 B1 EP 1154948B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- motor
- elevator
- controller
- door
- inverter
- 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.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/143—Control systems or devices electrical
-
- 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
Definitions
- This invention involves an elevator in which the elevator hoist motor and the door motor utilize controlled alternating current power.
- Elevator cars are typically moved by a hoist motor and the car doors are opened and closed by a door motor.
- the proper voltage and frequency current is provided by a hoist motor inverter to the hoist motor based on instructions from a hoist motor controller, and the proper voltage and frequency current is provided to the door motor by a door motor inverter based on command input from a door motor controller.
- the hoist motor and the door motor are operated simultaneously to increase a car's operating efficiency. For example, immediately before the car reaches or leaves a floor, the door motor is driven along with the hoist motor. Also, releveling (aligning the floor of the car with the floor at the entrance) may be performed while doors are opened.
- Patents Abstracts of Japan, vol.1998, no. 4, 31 March 1998 & JP 09 323876 A discloses an elevator controller for controlling an elevator door and an elevator hoist motor, the controller having a door inverter unit and an elevator hoist motor inverter unit, wherein, when the door inverter unit is out of order, the door motor is driven by the elevator hoist motor inverter.
- Patents Abstracts of Japan, vol.016, no. 519, 26 October 1992 & JP 04 191263 A discloses an elevator controller comprising a controlling means which is loaded with a microcomputer controlling an electric motor for elevating an elevator car and an electric motor for opening and closing an elevator door by receiving elevator control signals from the microcomputer, wherein the controlling means controls a motor driver circuit and the output of the motor driver circuit is connected through an electronic switch either to the electric motor for elevating the elevator car or to the electric motor for opening and closing the elevator door.
- the invention provides means for providing variable frequency alternating current for driving an elevator hoist motor and an elevator door motor, as set forth in claim 1.
- this invention is equipped with a hoist motor that moves a car, a door motor that opens and closes the car door or doors, an inverter section that simultaneously controls the voltage and frequency of the current provided to the hoist motor and the door motor, and a control section that sends instructions to this inverter section to control the speed at which the car travels and the speed at which the door opens and closes. It is constituted so that the proper voltage and frequency current will be provided to the hoist motor from the inverter section until the car reaches a floor; and, after the car reaches a floor, the proper voltage and frequency will then be provided to the door motor from the same inverter section.
- elevator car 1 is driven in a hoistway (not shown) and includes a horizontally sliding door 5 driven by door operator motor 6.
- the car 1 is positioned vertically by means of a rope 2 attached to the car 1 and suspended from the elevator drive sheave 3a.
- the rope 2 terminates at its other end at a counter weight 4 which provides a balancing of the vertical forces on the car1.
- Drive sheave 3a is rotated by hoist motor 3 which turns an intermediate shaft 3b as shown.
- Both the hoist motor 3 and the door motor 6 are variable voltage alternating current motors which may be precisely controlled for speed and position by varying the voltage and frequency of the supplied motor current.
- three phase variable frequency alternating current is supplied to either the hoist motor 3 or the door motor 6 by a controlled inverter section 8 which receives fixed voltage alternating current from a power source 7, such as an electric utility supply line.
- the voltage and frequency of the output current 11 from the inverter section 8 is controlled in response to the inputs from a controller 9 as shown in the figure.
- controller 9 causes the elevator hoist motor 3 the cease operation and initiates a signal 22 to a relay control 10 actuating the power relay 12.
- Power relay 12 is operated, in response to the actuator 10, to switch the output 11 of the inverter section 8 from the hoist motor 3 to the door motor 6.
- control signals provided to the inverter 8 by the controller 9 will differ in response to the controllers selection of either the hoist motor or the door motor for receiving the inverter output 11.
- a single inverter 8 and controller 9 may be used to control both a hoist motor 3 and a door motor 6 in an elevator application.
- Switching relay 11 prevents the simultaneous connection of the hoist motor 3 and the drive motor 6 to the inverter 8.
- the system according to the present invention thus eliminates the need for a second inverter and controller as is known in the prior art, in exchange for the requirement that the single remaining inverter 8 drive only one of the hoist motor and the door motor at a given time.
- a controller 9 sensing the misleveling of the elevator with the desired floor, would direct inverter 8 to power door motor 6 so as to close doors 5, then command actuator 10 to actuate the relay 12 so as to connect the inverter 8 to the hoist motor 3 and disconnect inverter 8 from door motor 6.
- the controller 9 would then control the inverter 8 so as to drive hoist motor 3 to position the elevator car 1 at the correct position within the hoistway.
- Relay 12 shown here schematically as a mechanical relay having a mechanical actuator 10, may alternatively be an electronic switch or any other device or structure which can divert the output 11 of the inverter section 8 between either the hoist motor 3 or the door motor 6, in response to signal 22 from the controller 9.
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Elevator Door Apparatuses (AREA)
- Elevator Control (AREA)
- Types And Forms Of Lifts (AREA)
Claims (2)
- Moyens pour proposer un courant alternatif à fréquence variable pour entraíner un moteur de levage d'ascenseur (3) et un moteur de porte d'ascenseur (6), comprenant :un dispositif de commande (9) destiné à commander le moteur de levage d'ascenseur (3) afin de positionner une cabine d'ascenseur (1) à l'intérieur d'une gaine et destiné à commander le moteur de porte d'ascenseur (6) afin d'ouvrir et de fermer une porte d'ascenseur (5) ;une section de convertisseur unique (8) destinée à recevoir du courant alternatif depuis une source d'alimentation (7) et à délivrer un courant de battage à tension et à fréquence variables en réponse à un signal de commande reçu depuis le dispositif de commande (9) ;des moyens pour commuter (23) le courant à fréquence et tension variables délivré par le convertisseur entre le moteur de levage (3) ou le moteur de porte (6) ; etdes moyens (10) sensibles à un second signal (22) depuis le dispositif de commande (9) pour contraindre les moyens pour commuter (23) à relier individuellement une sortie du convertisseur (21) soit au moteur de levage (3), soit au moteur de porte (6), moyennant quoi le dispositif de commande (9) initie le second signal (22) lors de la détection que la cabine d'ascenseur (1) a atteint un palier souhaité pour contraindre les moyens pour commuter (23) à relier la sortie du convertisseur (21) au moteur de porte (6), et caractérisés en ce que le dispositif de commande (9) initie le second signal (22) lors de la détection que la cabine d'ascenseur (1) n'est pas au bon niveau afin de contraindre les moyens pour commuter (23) à relier la sortie du convertisseur (21) au moteur de levage (3).
- Moyens selon la revendication 1, dans lesquels le dispositif de commande (9) comprend un premier profil de dispositif de commande destiné à être utilisé uniquement quand la sortie du convertisseur (21) est reliée au moteur de levage (3), et
un second profil de dispositif de commande destiné à être utilisé quand la sortie du convertisseur (21) est reliée au moteur de porte (6).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5100899 | 1999-02-26 | ||
JP11051008A JP2000247553A (ja) | 1999-02-26 | 1999-02-26 | エレベーター |
PCT/US2000/004119 WO2000050329A1 (fr) | 1999-02-26 | 2000-02-18 | Logique de commande pour onduleur desservant les moteurs de levage et des portes d'ascenseur |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1154948A1 EP1154948A1 (fr) | 2001-11-21 |
EP1154948A4 EP1154948A4 (fr) | 2002-10-30 |
EP1154948B1 true EP1154948B1 (fr) | 2004-05-12 |
Family
ID=12874759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00919319A Expired - Lifetime EP1154948B1 (fr) | 1999-02-26 | 2000-02-18 | Logique de commande pour onduleur desservant les moteurs de levage et des portes d'ascenseur |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1154948B1 (fr) |
JP (1) | JP2000247553A (fr) |
CN (1) | CN1241812C (fr) |
DE (1) | DE60010668T2 (fr) |
ES (1) | ES2220453T3 (fr) |
WO (1) | WO2000050329A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002070390A1 (fr) * | 2001-03-05 | 2002-09-12 | Schroedl Manfred | Dispositif d'entrainement electrique |
CN102241356A (zh) * | 2011-06-28 | 2011-11-16 | 杭州优迈科技有限公司 | 电梯门机节能方法及节能装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04191263A (ja) * | 1990-11-27 | 1992-07-09 | Mitsubishi Electric Corp | エレベータの制御装置 |
JPH06153571A (ja) * | 1992-10-29 | 1994-05-31 | Toshiba Corp | コンテナクレーン制御装置 |
US6002218A (en) * | 1992-11-20 | 1999-12-14 | Fujitsu General Limited | Control device for air conditioner |
US5361565A (en) * | 1993-01-19 | 1994-11-08 | Bayer Robert F | Elevating system |
JP3324932B2 (ja) * | 1996-06-05 | 2002-09-17 | 株式会社東芝 | エレベーター制御装置 |
US5936375A (en) * | 1997-11-05 | 1999-08-10 | Paceco Corp. | Method for energy storage for load hoisting machinery |
-
1999
- 1999-02-26 JP JP11051008A patent/JP2000247553A/ja active Pending
-
2000
- 2000-02-18 EP EP00919319A patent/EP1154948B1/fr not_active Expired - Lifetime
- 2000-02-18 WO PCT/US2000/004119 patent/WO2000050329A1/fr active IP Right Grant
- 2000-02-18 ES ES00919319T patent/ES2220453T3/es not_active Expired - Lifetime
- 2000-02-18 CN CN 00804280 patent/CN1241812C/zh not_active Expired - Fee Related
- 2000-02-18 DE DE60010668T patent/DE60010668T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO2000050329A1 (fr) | 2000-08-31 |
DE60010668D1 (de) | 2004-06-17 |
DE60010668T2 (de) | 2004-10-07 |
JP2000247553A (ja) | 2000-09-12 |
CN1241812C (zh) | 2006-02-15 |
CN1341074A (zh) | 2002-03-20 |
EP1154948A4 (fr) | 2002-10-30 |
EP1154948A1 (fr) | 2001-11-21 |
ES2220453T3 (es) | 2004-12-16 |
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