EP0755894B1 - Verfahren und Einrichtung zur Messung der Last in einer Aufzugskabine - Google Patents
Verfahren und Einrichtung zur Messung der Last in einer Aufzugskabine Download PDFInfo
- Publication number
- EP0755894B1 EP0755894B1 EP96111277A EP96111277A EP0755894B1 EP 0755894 B1 EP0755894 B1 EP 0755894B1 EP 96111277 A EP96111277 A EP 96111277A EP 96111277 A EP96111277 A EP 96111277A EP 0755894 B1 EP0755894 B1 EP 0755894B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- load magnitude
- load
- lift
- travel
- motor
- 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
Links
Images
Classifications
-
- 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
- B66B1/3476—Load weighing or car passenger counting devices
- B66B1/3484—Load weighing or car passenger counting devices using load cells
Definitions
- the invention relates to a method and a device to measure the load in an elevator car using Spring elements is supported on a support frame, the by means of a carrying cable guided over a traction sheave is movable in an elevator shaft, one of one Motor control controlled motor drives the traction sheave and executes travel commands of an elevator control, the Position of the elevator car in the elevator shaft by means of a Position sensor device is detected.
- DE 30 42 968 is a Elevator device with a movable in a shaft Elevator car and one serving as a weight counterbalance Counterweight became known.
- Cabin and counterweight are connected by a suspension cable, which is connected to a traction sheave is drivable.
- a motor drives the traction sheave and one Tachogenerator on, which is the actual speed value representing control signal of the motor shaft.
- the Cabin has a load measuring floor, which by the Movement of the load measuring floor caused by load Potentiometers is detected.
- the signal from the potentiometer is used as a disturbance variable in the speed control loop Speed actual value and speed setpoint fed.
- a disadvantage of the known devices is that elaborate construction and assembly of the angles with the Strain gauge or the potentiometer on the floor support of the support frame. In addition, there is considerable adjustment work for the circuit and the amplifier necessary. Such systems are accordingly expensive to manufacture and in Entertains.
- the invention seeks to remedy this.
- the invention as characterized in the claims, solves the Task to the disadvantages of the known device avoid and create a facility with anyway in an elevator system the load in precisely recorded in an elevator car.
- the advantage achieved by the invention is in essential to see in that cabin floor and Support frame can be simplified, which in turn is a Load measurement also with cheap elevator systems Makes cost reasons possible.
- 1 is an elevator shaft Stops 2, in which an elevator car 3rd is movable.
- a motor 4 drives a traction sheave 5 over which a suspension cable 6 is guided.
- At one end of the Support rope 6 is a support frame 7 and at the other end of the Support rope 6, a counterweight 8 is arranged.
- the Elevator car 3 rests on spring elements 9, which are on Support the support frame 7.
- One over a first deflection roller 10 and a second deflection roller 11 is guided belt 12 mechanically coupled to the elevator car 3.
- the movement the elevator car 3 is transferred to the belt 12, the one coupled to the first deflection roller 10 Pulse generator 13 drives. Every vertical movement of the Elevator car 3 is thus in the pulse generator 13 in electrical impulses converted.
- Pulse generator 13 volume 12 and pulleys 10.11 are part of a commonly used in elevator systems built-in encoder, the exact location of the Elevator car 3 detected in elevator shaft 1.
- the Pulse generator 13 can also be from a not shown Speed limiters are driven.
- the motor 4 can Support frame 7, for example in the case of linear motor drives or rope-less friction wheel drives can be arranged.
- the Pulse generator 13 can also be arranged on the elevator car 3 his. In this variant, belt 12 and pulleys can be used 10.11 are omitted. The pulse generator 13 is then by means of a Friction wheels driven, for example on a The guide rail rolls off.
- Fig. 2 shows an elevator system with the inventive Device for measuring the load in the elevator car.
- a Elevator control 14 generates on the basis of sensors 15 Stops 2 entered floor calls FL and Car calls CA from passengers 16 in the elevator car 3 Travel commands DO that are sent to an engine controller 17 to get redirected.
- the engine control 17, for example, an inverter determines based on the Driving commands and based on a path signal SL des Pulse generator 13, the current position of the Elevator car 3 in elevator shaft 1 corresponds to that Driving curve of the elevator car 3.
- With the driving curve is the Setpoint of acceleration, nominal speed and the delay of the elevator car 3 determined.
- a motor current IW is measured and also the path signal SL of an evaluation unit 18 for determining load sizes fed.
- the path signal SL is fed to a first converter 19 of the evaluation unit 18 and is stopped there when the elevator car 3 stops at the stop 2, for example by means of a table or a mathematical formula, in one of the movements of the elevator car 3 compared to the elevator shaft 1 corresponding first load size m SL converted.
- the motor current IW is fed to a second converter 20 of the evaluation unit 18 and is converted there at the set speed of the elevator car 3, for example by means of a table or a mathematical formula, into a second load variable m IW corresponding to the car load. This size serves as a new load reference.
- the second load variable m IW and the first load variable m SL corresponding to the new load in the elevator car 3 are added with the correct sign using an adder 21 to a third load variable m IW - m SL , which is the influenced by the motor control 17 controlled motor current IW.
- the third load variable m IW -m SL can be evaluated by the elevator control 14 and, depending on the load in the elevator car 3, the car allocation, for example no further car calls are accepted when the elevator car 3 is full.
- FIG. 4 shows a flow chart of the evaluation unit 18 implemented, for example, in software.
- a first step S1 it is checked whether the elevator car 3 is at a stop 2 and the doors are still closed. If the result of the test carried out in step S1 is yes, the path signal SL is read in in a second step S2 and stored as a reference signal. After it has been determined in a third step S3 that the doors of the elevator car 3 have been opened and the door closing command has been given, the travel signal SL is evaluated in a fourth step S4 and, with the difference to the reference signal of the second step S2, the first load variable m SL formed and saved. In a fifth step S5 it is checked whether the doors have been closed again.
- the third load variable m IW -m SL is determined in the sixth step S6, the second load variable m IW during the preceding journey and the first load variable m SL being formed in the fourth step S4.
- the third load variable m IW -m SL is also communicated to the elevator control 3 and the motor control 17.
- the speed of the elevator car 3 is checked until the elevator car 3 has reached its target speed.
- the second load variable m IW is formed and stored on the basis of the instantaneous motor current IW.
- the elevator car 3 then travels with the second load variable m IW influencing the motor current IW controlled by the motor controller 17 until the next stop at a stop 2.
- the motor current can be influenced using only the first load variable m SL . If the elevator car 3 is empty, a reference signal is generated in this case. At each stop, each load change is added to the load size m SL of the previous trip with the correct sign.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Elevator Control (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
- Forklifts And Lifting Vehicles (AREA)
Description
- Fig. 1
- einen Aufzugsschacht mit einer Aufzugskabine und einem Weggeber,
- Fig. 2
- ein Aufzugssystem mit der erfindungsgemässen Einrichtung zur Messung der Last in der Aufzugskabine,
- Fig. 3
- ein Blockschaltbild einer Auswerteeinheit und
- Fig. 4
- ein Flussdiagramm nach dem die Auswerteeinheit arbeitet.
Claims (6)
- Verfahren zur Messung der Laständerung in einer Aufzugskabine (3), die mittels Federelementen (9) an einem Tragrahmen (7) abgestützt ist, der mittels eines über eine Treibscheibe (5) geführten Tragseiles (6) in einem Aufzugsschacht (1) verfahrbar ist, wobei ein von einer Motorsteuerung (17) gesteuerter Motor (4) die Treibscheibe (5) antreibt und Fahrbefehle einer Aufzugssteuerung (14) ausführt, wobei die Lage der Aufzugskabine (3) im Aufzugsschacht (1) mittels einer Weggebereinrichtung (10,11,12,13) detektiert wird,
dadurch gekennzeichnet,dass die durch aus- und zusteigende Fahrgäste (16) verursachte Bewegung der Aufzugskabine (3) gegenüber dem Aufzugsschacht (1) mittels der Weggebereinrichtung (10,11,12,13) in ein Wegsignal (SL) umgewandelt wird unddass aus dem Wegsignal (SL) eine erste Lastgrösse (mSL) gebildet wird, wobei die erste Lastgrösse (mSL) einen mittels der Motorsteuerung (17) gesteuerten Motorstrom (IW) beeinflusst. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet,
dass bei einem Halt der Aufzugskabine (3) auf einer Haltestelle (2) das Wegsignal (SL) vor und nach dem Aus- und Zusteigen der Fahrgäste (16) erfasst wird und dass daraus die erste Lastgrösse (mSL) gebildet wird. - Verfahren nach Anspruch 2,
dadurch gekennzeichnet,dass aus dem Motorstrom (IW) eine zweite Lastgrösse (mIW) gebildet wird unddass eine dritte Lastgrösse (mIW - mSL) aus der Summe der ersten Lastgrösse (mSL) und der zweiten Lastgrösse (mIW) gebildet wird, wobei die dritte Lastgrösse (mIW - mSL) den mittels der Motorsteuerung (17) gesteuerten Motorstrom (IW) beeinflusst. - Verfahren nach Anspruch 3,
dadurch gekennzeichnet,
dass die dritte Lastgrösse (mIW - mSL) nach dem Schliessen der Kabinentüren gebildet wird, wobei die zweite Lastgrösse (mIW) aufgrund des Motorstromes (IW) bei Sollgeschwindigkeit der Aufzugskabine (13) bei der vorangehenden Fahrt gebildet wurde. - Einrichtung zur Messung der Laständerung in einer Aufzugskabine (3), die mittels Federelementen (9) an einem Tragrahmen (7) abgestützt ist, der mittels eines über eine Treibscheibe (5) geführten Tragseiles (6) in einem Aufzugsschacht (1) verfahrbar ist, wobei ein von einer Motorsteuerung (17) gesteuerter Motor (4) die Treibscheibe (5) antreibt und Fahrbefehle einer Aufzugssteuerung (14) ausführt, wobei die Lage der Aufzugskabine (3) im Aufzugsschacht (1) mittels einer Weggebereinrichtung (10,11,12,13) detektiert wird,
dadurch gekennzeichnet,dass zur Messung der durch aus- und zusteigende Fahrgäste (16) verursachte Bewegung der Aufzugskabine (3) gegenüber dem Aufzugsschacht (1) die Weggebereinrichtung (10,11,12,13) vorgesehen ist, die ein der Bewegung entsprechendes Wegsignal (SL) erzeugt unddass zur Bestimmung einer dem Wegsignal (SL) entsprechenden ersten Lastgrösse (mSL) eine Auswerteeinheit (18) mit einem ersten Wandler (19) vorgesehen ist, wobei die erste Lastgrösse (mSL) einen mittels der Motorsteuerung (17) gesteuerten Motorstrom (IW) beeinflusst. - Einrichtung nach Anspruch 5,
dadurch gekennzeichnet,
dass die Auswerteeinheit (18) einen zweiten Wandler (20) zur Bestimmung einer dem Motorstrom (IW) entsprechenden zweiten Lastgrösse (mIW) aufweist und dass die Auswerteeinheit (18) einen Addierer (21) zur Bestimmung einer aus der Summe der ersten Lastgrösse (mSL) und der zweiten Lastgrösse (mIW) gebildeten dritten Lastgrösse (mIW - mSL) aufweist, wobei die dritte Lastgrösse (mIW - mSL) den mittels der Motorsteuerung (17) gesteuerten Motorstrom (IW) beeinflusst.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH218795 | 1995-07-26 | ||
CH2187/95 | 1995-07-26 | ||
CH218795 | 1995-07-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0755894A1 EP0755894A1 (de) | 1997-01-29 |
EP0755894B1 true EP0755894B1 (de) | 2001-03-14 |
Family
ID=4227930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96111277A Expired - Lifetime EP0755894B1 (de) | 1995-07-26 | 1996-07-12 | Verfahren und Einrichtung zur Messung der Last in einer Aufzugskabine |
Country Status (7)
Country | Link |
---|---|
US (1) | US5852264A (de) |
EP (1) | EP0755894B1 (de) |
JP (1) | JP3628814B2 (de) |
AT (1) | ATE199699T1 (de) |
BR (1) | BR9603180A (de) |
CA (1) | CA2181882C (de) |
DE (1) | DE59606572D1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019200052A1 (de) | 2019-01-04 | 2020-01-23 | Thyssenkrupp Ag | Aufzugsanlage |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11314868A (ja) * | 1998-04-28 | 1999-11-16 | Toshiba Elevator Co Ltd | 昇降機のかご荷重検出装置 |
US6216824B1 (en) * | 1998-12-24 | 2001-04-17 | United Technologies Corporation | Semi-active elevator hitch |
US6776263B2 (en) * | 2000-05-19 | 2004-08-17 | Esw-Extel Systems Wedel Gesellschaft Fuer Austruestung Mbh | Elevator system for the vertical transport of loads in an aircraft |
US6450299B1 (en) * | 2000-09-14 | 2002-09-17 | C.E. Electronics, Inc. | Load measuring for an elevator car |
ITVI20050313A1 (it) * | 2005-11-29 | 2007-05-30 | Maber Costruzioni Srl | Dispositivo di sicurezza per il controllo automatico del peso del carico presente su uno o piu' gruppi sollevatori di un elevatore, di una piattaforma, di un ascensore o di altri apparecchi consimili |
DE102010019368A1 (de) * | 2010-05-05 | 2011-11-10 | Viktor Dulger | Aufzug zur Beförderung von Personen und/oder Lasten in Gebäuden |
CN104884133B (zh) | 2013-03-14 | 2018-02-23 | 艾肯运动与健康公司 | 具有飞轮的力量训练设备 |
WO2014144827A1 (en) * | 2013-03-15 | 2014-09-18 | Icon Health & Fitness, Inc. | Devices and methods for determining the weight of a treadmill user |
WO2015100429A1 (en) | 2013-12-26 | 2015-07-02 | Icon Health & Fitness, Inc. | Magnetic resistance mechanism in a cable machine |
WO2015138339A1 (en) | 2014-03-10 | 2015-09-17 | Icon Health & Fitness, Inc. | Pressure sensor to quantify work |
US9573789B2 (en) | 2014-03-27 | 2017-02-21 | Thyssenkrupp Elevator Corporation | Elevator load detection system and method |
WO2015191445A1 (en) | 2014-06-09 | 2015-12-17 | Icon Health & Fitness, Inc. | Cable system incorporated into a treadmill |
EP3191394B1 (de) | 2014-09-12 | 2018-10-31 | Otis Elevator Company | Aufzugslastwägesystem |
DE102014225551A1 (de) * | 2014-12-11 | 2016-06-16 | Thyssenkrupp Ag | Verfahren zum Bestimmen einer Last in einer Kabine eines Aufzugsystems |
US10258828B2 (en) | 2015-01-16 | 2019-04-16 | Icon Health & Fitness, Inc. | Controls for an exercise device |
CN107873006B (zh) * | 2015-06-05 | 2021-02-02 | 睿能创意公司 | 一种车辆及一种判定一电动车辆的一特定型式的负载的方法 |
US10953305B2 (en) | 2015-08-26 | 2021-03-23 | Icon Health & Fitness, Inc. | Strength exercise mechanisms |
US10625137B2 (en) | 2016-03-18 | 2020-04-21 | Icon Health & Fitness, Inc. | Coordinated displays in an exercise device |
US10293211B2 (en) | 2016-03-18 | 2019-05-21 | Icon Health & Fitness, Inc. | Coordinated weight selection |
US10272317B2 (en) | 2016-03-18 | 2019-04-30 | Icon Health & Fitness, Inc. | Lighted pace feature in a treadmill |
US10561894B2 (en) | 2016-03-18 | 2020-02-18 | Icon Health & Fitness, Inc. | Treadmill with removable supports |
US10493349B2 (en) | 2016-03-18 | 2019-12-03 | Icon Health & Fitness, Inc. | Display on exercise device |
US10252109B2 (en) | 2016-05-13 | 2019-04-09 | Icon Health & Fitness, Inc. | Weight platform treadmill |
US10471299B2 (en) | 2016-07-01 | 2019-11-12 | Icon Health & Fitness, Inc. | Systems and methods for cooling internal exercise equipment components |
US10441844B2 (en) | 2016-07-01 | 2019-10-15 | Icon Health & Fitness, Inc. | Cooling systems and methods for exercise equipment |
US10500473B2 (en) | 2016-10-10 | 2019-12-10 | Icon Health & Fitness, Inc. | Console positioning |
US10376736B2 (en) | 2016-10-12 | 2019-08-13 | Icon Health & Fitness, Inc. | Cooling an exercise device during a dive motor runway condition |
US10661114B2 (en) | 2016-11-01 | 2020-05-26 | Icon Health & Fitness, Inc. | Body weight lift mechanism on treadmill |
TWI646997B (zh) | 2016-11-01 | 2019-01-11 | 美商愛康運動與健康公司 | 用於控制台定位的距離感測器 |
TWI680782B (zh) | 2016-12-05 | 2020-01-01 | 美商愛康運動與健康公司 | 於操作期間抵銷跑步機的平台之重量 |
TWI722450B (zh) | 2017-08-16 | 2021-03-21 | 美商愛康運動與健康公司 | 用於抗馬達中之軸向衝擊載荷的系統 |
US10729965B2 (en) | 2017-12-22 | 2020-08-04 | Icon Health & Fitness, Inc. | Audible belt guide in a treadmill |
EP3848314B1 (de) | 2020-01-10 | 2023-10-04 | Inventio Ag | System zur messung der last in einem aufzugsystem sowie verfahren zur bestimmung der last einer aufzugskabine |
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US4053742A (en) * | 1976-12-20 | 1977-10-11 | Youngstown Sheet And Tube Company | Energy measuring systems adapted for use in conjunction with load moving and weight indicating devices |
DE3042968A1 (de) * | 1980-11-14 | 1982-07-01 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg | Lastmess- und ausweteeinrichtung fuer aufzugsanlagen |
US4460066A (en) * | 1982-02-08 | 1984-07-17 | Mitsubishi Denki Kabushiki Kaisha | Crime prevention apparatus for elevators |
CH663949A5 (de) * | 1984-02-14 | 1988-01-29 | Inventio Ag | Lastmesseinrichtung fuer eine aufzugskabine. |
US4793442A (en) * | 1987-11-05 | 1988-12-27 | Schindler Elevator Corporation | Method and apparatus for providing pre-travel balancing energy to an elevator drive |
US5149922A (en) * | 1989-09-08 | 1992-09-22 | Mitsubishi Denki Kabushiki Kaisha | Elevator load detector device using movable detector plates |
FI94121C (fi) * | 1991-08-15 | 1995-07-25 | Kone Oy | Hissikorin henkilösiirtojen määrittäminen |
US5306879A (en) * | 1992-01-30 | 1994-04-26 | Inventio Ag | Load measuring apparatus for an elevator car |
JPH06321441A (ja) * | 1993-03-04 | 1994-11-22 | Otis Elevator Co | エレベータ巻上げ装置のプレトルク電流供給方法 |
-
1996
- 1996-07-12 EP EP96111277A patent/EP0755894B1/de not_active Expired - Lifetime
- 1996-07-12 AT AT96111277T patent/ATE199699T1/de not_active IP Right Cessation
- 1996-07-12 DE DE59606572T patent/DE59606572D1/de not_active Expired - Fee Related
- 1996-07-18 US US08/683,220 patent/US5852264A/en not_active Expired - Lifetime
- 1996-07-23 CA CA002181882A patent/CA2181882C/en not_active Expired - Fee Related
- 1996-07-25 JP JP19629996A patent/JP3628814B2/ja not_active Expired - Fee Related
- 1996-07-25 BR BR9603180-8A patent/BR9603180A/pt not_active Application Discontinuation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019200052A1 (de) | 2019-01-04 | 2020-01-23 | Thyssenkrupp Ag | Aufzugsanlage |
Also Published As
Publication number | Publication date |
---|---|
CA2181882A1 (en) | 1997-01-27 |
ATE199699T1 (de) | 2001-03-15 |
EP0755894A1 (de) | 1997-01-29 |
US5852264A (en) | 1998-12-22 |
JPH0943039A (ja) | 1997-02-14 |
JP3628814B2 (ja) | 2005-03-16 |
BR9603180A (pt) | 2004-08-17 |
CA2181882C (en) | 2007-01-09 |
DE59606572D1 (de) | 2001-04-19 |
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