EP0294578A1 - Equipement de réglage de l'arrivée d'un ascenseur - Google Patents
Equipement de réglage de l'arrivée d'un ascenseur Download PDFInfo
- Publication number
- EP0294578A1 EP0294578A1 EP88106719A EP88106719A EP0294578A1 EP 0294578 A1 EP0294578 A1 EP 0294578A1 EP 88106719 A EP88106719 A EP 88106719A EP 88106719 A EP88106719 A EP 88106719A EP 0294578 A1 EP0294578 A1 EP 0294578A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- speed
- phase
- input
- entry
- output
- 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
Links
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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
- B66B1/02—Control systems without regulation, i.e. without retroactive action
- B66B1/06—Control systems without regulation, i.e. without retroactive action electric
- B66B1/14—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements
- B66B1/16—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements with means for storing pulses controlling the movements of a single car or cage
Definitions
- the invention relates to a drive-in control device for an elevator with a three-phase motor, which is coupled to a tachometer dynamo and whose speed can be regulated via an actuator during the run-in phase, a switchable setpoint generator being provided at the start of the run-in phase, which has an integrator that has one of the tachometer dynamo
- the actual speed value generated is integrated and the output side is connected to a subtractor, which forms a path difference proportional to the speed setpoint from an actual path formed by the integrator and a path corresponding to the entry route.
- a control device with a setpoint generator according to the generic term has become known, for example, from CH-PS 550 736. If such control devices guaranteeing great stopping accuracy are used for elevators with three-phase motors, it is advantageous to let the phase of constant speed preceding the entrance run uncontrolled. The regulation during this phase could only consist of braking the motor to its lowest stationary speed with correspondingly high losses with every elevator load. However, difficulties arise during the transition from the uncontrolled to the regulated phase, since when the regulation for the entry begins, large differences can arise between the load-dependent actual speed value and the suddenly occurring speed setpoint, which can be more or less hard impacts for the users of the elevator make it uncomfortably noticeable.
- DE-OS 3 010 234 discloses a control device which is intended to avoid the disadvantage mentioned above.
- a voltage-dependent cross-fader is provided, which influences the influence during a section of the driving diagram continuously changed by two independent control loops depending on the tachometer voltage.
- One control loop controls the acceleration depending on the time, while the other control loop controls the speed depending on the path.
- the b / t control At the beginning of the braking process, almost exclusively the b / t control is engaged.
- their effectiveness is continuously reduced and that corresponding to the v / s control is increased, so that at the end of the braking phase the v / s control is practically exclusively engaged. This is to ensure a smooth transition when the braking phase begins and an exact entry on one floor.
- the control device described above has a relatively complicated structure since, in addition to two b / t controllers and one v / s controller, there is also a cross-fader with at least five operational amplifiers.
- the invention has for its object to provide a drive-in control device according to the preamble in which the difference between the actual speed and setpoint during the transition from an unregulated phase of travel to the controlled run-in phase does not come into effect and only one speed control loop is effective during the entire run-in phase .
- the speed setpoint is adapted to the actual speed value by forming a factor from the actual speed value and an assigned nominal speed during the unregulated phase of the journey and storing it in a memory device during the braking phase.
- Path-dependent speed setpoints are stored in a driving curve memory, which are multiplied by the factor and are supplied to a speed control loop as speed setpoints during the braking phase.
- the advantages achieved by the invention are that when there is a transition from the unregulated phase of the journey to the regulated run-in phase, even with larger differences between the actual speed and setpoint values, there are no impacts that impair driving comfort. Since this goal is achieved compared to the prior art with a setpoint generator improved by simple means and only one control circuit, a simple, cost-saving solution to the problem mentioned at the outset results.
- 1 denotes a three-phase motor, for example an asynchronous motor, which drives an elevator car 5 suspended on a conveyor cable 3 via a traction sheave 2 and balanced by a counterweight 4.
- the asynchronous motor 1 is coupled to a tachometer dynamo 6, which generates a voltage proportional to the speed.
- the elevator car 5 is guided in an elevator shaft 7, only one floor E n being shown.
- With 8 is a magnetic switch attached to the elevator car 5, which interacts with switching magnets 9 arranged in the elevator shaft 7.
- the switching magnets are arranged at a certain distance in front of the floors, corresponding to the entry path s o of the elevator car 5, and thus mark the point at which the brake is used.
- the magnetic switch 8 is connected to an input of a brake application logic 10, which can be supplied with stop signals assigned to the upward or downward movement via further inputs.
- the three-phase motor 1, the tachometer dynamo 6, a first subtractor 11, a first control amplifier 12, a second subtractor 13, a second control amplifier 14 and an actuator 15 form a speed control loop which is subordinated to a current control loop for stabilization.
- the first subtractor 11 is connected on the input side to a setpoint generator 16 and the tachometer dynamo 6. From a speed setpoint generated by the setpoint generator 16 and a speed actual value determined by the tachometer dynamo 6, the first subtractor 11 forms a speed control deviation ⁇ v, which is fed to the second subtractor 13 via the first control amplifier 12 as a current setpoint.
- the second subtractor 13 forms a current control deviation from the current setpoint and a current actual value of the three-phase motor 1, which is fed via the second control amplifier 14 to the actuator 15, which consists, for example, of thyristors controlled by adjusting the ignition angle.
- the setpoint generator 16 has an integrator 17, which is connected on the input side to the tachometer dynamo 6 via a first contact 18.
- the output of the integrator 17 is connected to an input of a further subtractor 19, the other input of which is supplied with a voltage corresponding to the entry path s o and the output of which is connected to the input of a driving curve memory 20 in which distance-dependent speed setpoints are stored.
- 21 designates a divider, one input of which is connected via a second contact 22 to the tachometer dynamo 6 and the other input of which is connected to the output of the driving curve memory 20.
- a memory device 23 is connected downstream of the divider 21 and is connected on the output side to an input of a multiplier 24, the other input of which is connected to the output of the driving curve memory 20.
- the output of the multiplier 24 forms the output of the setpoint generator 16, which is connected to the first subtractor 11 of the speed control loop. 25 with a relay is referred to that with the output of the brake application logic 10 and a voltage source, not shown, is connected and actuates the first and second contacts 18, 22 when excited.
- the drive-in control device is implemented by means of a microcomputer, the drive curve memory 20 and the memory device 23 are a fixed value or a read / write memory.
- the entry control device described above works as follows:
- the actual speed value v io is smaller than the nominal speed value v so (time t o , FIG. 2).
Landscapes
- Automation & Control Theory (AREA)
- Engineering & Computer Science (AREA)
- Elevator Control (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Types And Forms Of Lifts (AREA)
- Valve Device For Special Equipments (AREA)
- Harvester Elements (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Control Of Electric Motors In General (AREA)
- Fluid-Damping Devices (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Apparatuses And Processes For Manufacturing Resistors (AREA)
- Paper (AREA)
- Braking Arrangements (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Invalid Beds And Related Equipment (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT88106719T ATE65235T1 (de) | 1987-06-12 | 1988-04-27 | Einfahrregelungseinrichtung fuer einen aufzug. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH2210/87 | 1987-06-12 | ||
CH221087 | 1987-06-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0294578A1 true EP0294578A1 (fr) | 1988-12-14 |
EP0294578B1 EP0294578B1 (fr) | 1991-07-17 |
Family
ID=4228453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88106719A Expired - Lifetime EP0294578B1 (fr) | 1987-06-12 | 1988-04-27 | Equipement de réglage de l'arrivée d'un ascenseur |
Country Status (20)
Country | Link |
---|---|
US (1) | US4844205A (fr) |
EP (1) | EP0294578B1 (fr) |
JP (1) | JP2548603B2 (fr) |
CN (1) | CN1010297B (fr) |
AT (1) | ATE65235T1 (fr) |
AU (1) | AU593447B2 (fr) |
BR (1) | BR8802834A (fr) |
CA (1) | CA1282194C (fr) |
DE (1) | DE3863696D1 (fr) |
DK (1) | DK165238C (fr) |
ES (1) | ES2024580B3 (fr) |
FI (1) | FI96300C (fr) |
HK (1) | HK63292A (fr) |
HU (1) | HU201492B (fr) |
IN (1) | IN171501B (fr) |
MX (1) | MX169657B (fr) |
NO (1) | NO171965C (fr) |
PT (1) | PT87664B (fr) |
TR (1) | TR24921A (fr) |
ZA (1) | ZA883771B (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0796423B2 (ja) * | 1989-07-18 | 1995-10-18 | 三菱電機株式会社 | エレベータの制御装置 |
CN1049365C (zh) * | 1993-07-01 | 2000-02-16 | 云浮硫铁矿企业集团公司自来水厂 | 一种钟罩式脉冲澄清池 |
JP3170151B2 (ja) * | 1994-08-24 | 2001-05-28 | 株式会社東芝 | エレベータの制御装置 |
DE20103158U1 (de) * | 2001-02-22 | 2001-09-27 | Mueller Wolfgang T | Mehrstufiger, positionsgesteuerter, reaktionsschnell und präzise auslösender Geschwindigkeitsbegrenzer für Aufzüge |
JP2006298645A (ja) * | 2005-04-21 | 2006-11-02 | Inventio Ag | エレベータケージの速度を監視するための方法および検出システム |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1186184B (de) * | 1961-06-24 | 1965-01-28 | Siemens Ag | Geschwindigkeits-Sollwertgeber fuer Treibscheibenfoerdermaschinen |
FR2306154A1 (fr) * | 1975-04-03 | 1976-10-29 | Nippon Otis Elevator Cy | Appareil de commande pour dispositif elevateur |
FR2313300A1 (fr) * | 1975-03-20 | 1976-12-31 | Otis Ascinter | Systeme de commande de moteur d'ascenseur |
FR2338527A1 (fr) * | 1976-01-15 | 1977-08-12 | Duriez Jean | Procede et dispositif de controle et de regulation de la vitesse d'un mobile |
US4527662A (en) * | 1983-04-01 | 1985-07-09 | Otis Elevator Company | Elevator speed control |
EP0200585A1 (fr) * | 1985-03-25 | 1986-11-05 | Societe Logilift S.A.R.L. | Procédé de commande régulée du ralentissement d'un mobile et dispositif de commande régulée pour la mise en oeuvre du procédé |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH550736A (de) * | 1973-04-18 | 1974-06-28 | Inventio Ag | Einrichtung zur steuerung eines aufzuges. |
JPS6013948B2 (ja) * | 1975-04-03 | 1985-04-10 | 株式会社明電舎 | エレベ−タの着床位置制御装置 |
US4161235A (en) * | 1978-05-19 | 1979-07-17 | Westinghouse Electric Corp. | Elevator system |
US4373612A (en) * | 1980-11-25 | 1983-02-15 | Westinghouse Electric Corp. | Elevator system |
US4691807A (en) * | 1986-03-05 | 1987-09-08 | Mitsubishi Denki Kabushiki Kaisha | Elevator control apparatus |
-
1988
- 1988-04-27 EP EP88106719A patent/EP0294578B1/fr not_active Expired - Lifetime
- 1988-04-27 DE DE8888106719T patent/DE3863696D1/de not_active Expired - Fee Related
- 1988-04-27 ES ES88106719T patent/ES2024580B3/es not_active Expired - Lifetime
- 1988-04-27 AT AT88106719T patent/ATE65235T1/de not_active IP Right Cessation
- 1988-05-24 IN IN348/MAS/88A patent/IN171501B/en unknown
- 1988-05-26 TR TR88/0380A patent/TR24921A/xx unknown
- 1988-05-26 ZA ZA883771A patent/ZA883771B/xx unknown
- 1988-06-07 PT PT87664A patent/PT87664B/pt not_active IP Right Cessation
- 1988-06-07 HU HU882943A patent/HU201492B/hu not_active IP Right Cessation
- 1988-06-08 JP JP63141428A patent/JP2548603B2/ja not_active Expired - Fee Related
- 1988-06-08 FI FI882704A patent/FI96300C/fi active IP Right Grant
- 1988-06-09 NO NO882550A patent/NO171965C/no not_active IP Right Cessation
- 1988-06-09 MX MX011830A patent/MX169657B/es unknown
- 1988-06-10 BR BR8802834A patent/BR8802834A/pt not_active IP Right Cessation
- 1988-06-10 CA CA000569207A patent/CA1282194C/fr not_active Expired - Fee Related
- 1988-06-10 AU AU17563/88A patent/AU593447B2/en not_active Ceased
- 1988-06-10 DK DK316388A patent/DK165238C/da not_active IP Right Cessation
- 1988-06-11 CN CN88103491A patent/CN1010297B/zh not_active Expired
- 1988-06-13 US US07/205,721 patent/US4844205A/en not_active Expired - Lifetime
-
1992
- 1992-08-20 HK HK632/92A patent/HK63292A/xx not_active IP Right Cessation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1186184B (de) * | 1961-06-24 | 1965-01-28 | Siemens Ag | Geschwindigkeits-Sollwertgeber fuer Treibscheibenfoerdermaschinen |
FR2313300A1 (fr) * | 1975-03-20 | 1976-12-31 | Otis Ascinter | Systeme de commande de moteur d'ascenseur |
FR2306154A1 (fr) * | 1975-04-03 | 1976-10-29 | Nippon Otis Elevator Cy | Appareil de commande pour dispositif elevateur |
FR2338527A1 (fr) * | 1976-01-15 | 1977-08-12 | Duriez Jean | Procede et dispositif de controle et de regulation de la vitesse d'un mobile |
US4527662A (en) * | 1983-04-01 | 1985-07-09 | Otis Elevator Company | Elevator speed control |
EP0200585A1 (fr) * | 1985-03-25 | 1986-11-05 | Societe Logilift S.A.R.L. | Procédé de commande régulée du ralentissement d'un mobile et dispositif de commande régulée pour la mise en oeuvre du procédé |
Also Published As
Publication number | Publication date |
---|---|
ZA883771B (en) | 1989-02-22 |
JP2548603B2 (ja) | 1996-10-30 |
EP0294578B1 (fr) | 1991-07-17 |
FI882704A (fi) | 1988-12-13 |
PT87664A (pt) | 1989-05-31 |
FI882704A0 (fi) | 1988-06-08 |
DE3863696D1 (de) | 1991-08-22 |
MX169657B (es) | 1993-07-16 |
CA1282194C (fr) | 1991-03-26 |
FI96300C (fi) | 1996-06-10 |
NO171965B (no) | 1993-02-15 |
NO171965C (no) | 1993-05-26 |
JPS63310479A (ja) | 1988-12-19 |
PT87664B (pt) | 1993-09-30 |
NO882550D0 (no) | 1988-06-09 |
HK63292A (en) | 1992-08-28 |
NO882550L (no) | 1988-12-13 |
BR8802834A (pt) | 1989-01-03 |
DK316388A (da) | 1988-12-13 |
IN171501B (fr) | 1992-10-31 |
HUT50082A (en) | 1989-12-28 |
DK165238B (da) | 1992-10-26 |
US4844205A (en) | 1989-07-04 |
TR24921A (tr) | 1992-07-21 |
CN1010297B (zh) | 1990-11-07 |
DK165238C (da) | 1993-03-08 |
CN1031356A (zh) | 1989-03-01 |
AU1756388A (en) | 1988-12-15 |
FI96300B (fi) | 1996-02-29 |
HU201492B (en) | 1990-11-28 |
DK316388D0 (da) | 1988-06-10 |
ATE65235T1 (de) | 1991-08-15 |
ES2024580B3 (es) | 1992-03-01 |
AU593447B2 (en) | 1990-02-08 |
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