EP1674417B1 - Sicherheitseinrichung eines Aufzugs - Google Patents

Sicherheitseinrichung eines Aufzugs Download PDF

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Publication number
EP1674417B1
EP1674417B1 EP05301055A EP05301055A EP1674417B1 EP 1674417 B1 EP1674417 B1 EP 1674417B1 EP 05301055 A EP05301055 A EP 05301055A EP 05301055 A EP05301055 A EP 05301055A EP 1674417 B1 EP1674417 B1 EP 1674417B1
Authority
EP
European Patent Office
Prior art keywords
cabin
brake
control device
information
signal
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.)
Not-in-force
Application number
EP05301055A
Other languages
English (en)
French (fr)
Other versions
EP1674417A1 (de
Inventor
Jean-Marie Andrejak
Arnaud Robelin
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.)
Moteurs Leroy Somer SAS
Original Assignee
Moteurs Leroy Somer SAS
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Filing date
Publication date
Application filed by Moteurs Leroy Somer SAS filed Critical Moteurs Leroy Somer SAS
Publication of EP1674417A1 publication Critical patent/EP1674417A1/de
Application granted granted Critical
Publication of EP1674417B1 publication Critical patent/EP1674417B1/de
Not-in-force 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
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/027—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions to permit passengers to leave an elevator car in case of failure, e.g. moving the car to a reference floor or unlocking the door

Definitions

  • the present invention relates to a safety device for an elevator comprising a cabin, a counterweight, a cab drive motor and a power-vacuum brake, that is to say arranged to allow, when powered electrically, the rotation of the motor rotor and opposing this rotation when not powered.
  • the elevator car may be blocked between two floors at one level. not allowing evacuation of persons locked in the cabin.
  • the operator operating the brake must ensure that the cab does not move too quickly by visually estimating its speed, in order to ensure the safety of persons trapped in it and not to damage the elevator.
  • the US Patent 6,269,910 discloses an elevator rescue system comprising a light pulse detection speed sensor.
  • the operator does not have to fear that the speed of the car exceeds a predetermined limit and does not have to visually estimate its speed.
  • the information making it possible to know the speed of the cabin can be provided by at least one electrical quantity of the motor, in particular the remanent voltage. This can avoid the need for a specific sensor and can increase reliability while reducing the cost of the security device.
  • the control device may be arranged to receive information representative of the arrival of the cabin to the evacuation stage and automatically interrupt the supply of the brake when this information is received.
  • the evacuation stage may be other than those between which the cabin was initially located.
  • the control device can be arranged to analyze the amplitude of the remanent voltage induced by the rotation of the rotor and the frequency of this voltage and, in case of non-coherence, generate an error signal.
  • the safety device advantageously comprises a battery for supplying the brake in the absence of current on the network.
  • the safety device may then include, if necessary, a voltage booster device to raise the voltage delivered by the battery to a value compatible with the supply of the brake.
  • the brake is fed intermittently with a delay of a predetermined duration between two consecutive supplies of the brake. This makes moving the cab less uncomfortable.
  • the safety device may comprise a brake supply circuit comprising at least first and second contact switches to be both turned on to allow the brake to be powered, the first switch being controlled by a signal independent of the control device. , the second switch being controlled both by a signal independent of the control device and by a signal from the control device. This creates redundancy that enhances security.
  • the invention further relates, in another aspect, an elevator machinery equipped with a safety device as defined above.
  • the invention further relates, in another aspect, an elevator equipped with a safety device as defined above.
  • the safety device 1 represented at figure 1 is associated with an elevator shown very schematically, which comprises in a manner known per se a cab 4 connected to a counterweight 7 by a cable system 5 driven by a pulley rotating with the rotor 6 of an electric motor 3, for example a motor induction or permanent magnets.
  • an elevator shown very schematically, which comprises in a manner known per se a cab 4 connected to a counterweight 7 by a cable system 5 driven by a pulley rotating with the rotor 6 of an electric motor 3, for example a motor induction or permanent magnets.
  • a brake 2 with no current makes it possible to immobilize the rotor 6 in the absence of power supply to the motor 3.
  • This brake 2 is for example a supply voltage greater than 100 V, for example 190 V DC.
  • the safety device 1 comprises a control device 10 which is arranged to receive at least one V information to know the speed of the cabin 4 when it moves under the effect of an imbalance between its weight and that of the counterweight 7.
  • the control device 10 may comprise a microprocessor or microcontroller programmed to perform the desired functions or any similar components, or alternatively be made purely analog.
  • control device 10 receives information representative of the residual voltage at the terminals of the motor 3 under the effect of the displacement of the cabin 4.
  • information providing information on the speed of the car comprises, for example, a digital or analog signal generated otherwise, for example a pulse train produced by a rotor position sensor, for example a position sensor at optical or magnetic detector.
  • the information concerning the speed of the cabin can still come from a rangefinder fixed on the cabin or on the counterweight and be transmitted by a wire link or not to the control device 10.
  • the control device 10 contains or can receive information V m on the maximum speed allowed during operation of the safety device 1.
  • This maximum speed V m is for example preset at the factory or during the installation of the elevator, and may or may not be modifiable by operating an adjustment member or by software, for example by virtue of a link making it possible, according to a predefined computer protocol, to exchange information between the control device 10 and a terminal (not shown) connected by a link wired or not to the control device 10.
  • the control device 10 is arranged in the illustrated example to deliver a signal S representative of the speed of the car 4, as received, measured or calculated by the control device 10.
  • the polarity of this signal can example to inform on the direction of movement of the cabin and its amplitude to inform on the speed.
  • This signal is for example transmitted to an external display device such as a meter, a bargraph or a digital display.
  • the safety device 1 comprises means for electrically supplying the brake 2. These means comprise, in the illustrated example, an electronic switch 22 and two contact switches 15 and 16, which can each act on the two lines of brake 2 power supply for added safety.
  • the electronic switch 22 can be powered on the one hand by the AC 50 or 60 Hz network (for example 110 V, 220 V single-phase or 400 V three-phase) via a rectifier 11, and on the other hand, in case of network failure, by a battery 12 connected to a voltage booster device 20, the battery 12 being recharged by a charger 13 connected to the network.
  • the battery 12 is for example a battery Pb, NiCd, NiMH, lithium ion or lithium polymer voltage 12 V or 24 V and the lifting device is for example arranged to deliver 200 V DC.
  • control device 10 receives information on the state of the contacts of the switches 15 and 16 as well as the state of the brake 2, which can make it possible to detect and report a fault in the operation of the device. security 1.
  • the switch 15 is for example a relay controlled by a signal A v generated by an action of the operator responsible for starting the operation of the safety device 1.
  • the signal A v is for example a power-up generated by a switch to key, by a keyboard identification device, by an electronic key, by a magnetic card device or by a biometric device.
  • the switch 15 may still not be a relay but be a purely mechanical contactor, for example a key switch, lever or pushbutton.
  • the signal A v is a mechanical action exerted directly on the switch 15 by the operator.
  • the switch 16 may be a relay supplied by a control device 23 when the latter receives both a signal A F generated by an action of the operator and a control signal C F coming from the control device 10.
  • Signal A F is for example a power-up generated for example by the rotation of a key switch, the recognition of a code entered on a keyboard, the actuation of a control button or a lever.
  • the signals A F and A V can, if necessary, be powered from the same key switch or control button.
  • control device 23 constitutes an additional security since, in the absence of the signal A F, the switch 16 remains open, even if the control device 10 generates the closing signal C F.
  • control device 10 receives a signal N representative of the passage of the cabin at each floor. It can be for example a binary information.
  • the control device 10 is arranged to control the closing and opening of the electronic switch 22, which comprises, for example, electronic power components.
  • the control device 10 automatically manages the control of the electric switch so that the speed of the cabin 4 does not exceed the preset limit V m .
  • Switches 15 and 16 may be on throughout the operation of the safety device and switch 22 may only be intermittently switched on.
  • the switch 16 drives intermittently, being passed just before the electronic switch 22 and being open just after it, so as not to overload the contacts but increase the security in case of failure of the electronic switch 22.
  • the brake 2 When the switch 22 is turned on, the brake 2 is energized, which allows the cabin 4 to gain speed under the effect of the imbalance between its weight and that of the counterweight 7.
  • the rotation of the rotor 6 following the displacement of the cabin 4 is accompanied by an induced voltage V which is analyzed by the control device 10 in order to compare it with the limiting speed V m .
  • the speed of the cabin tends to increase substantially linearly, as seen on the figure 2 and when it reaches the limit speed V m , the control device 10 causes the electronic switch 22 to open, which releases the brake 2 and blocks the rotation of the rotor 6.
  • a time delay of a duration d is carried out before the electronic switch 22 is again turned on, the brake 2 power supply sequences continuing until the arrival of cabin 4 on the floor.
  • the time delay d is for example of duration between about 0.5 s and about 10 s.
  • the control device 10 is arranged so that when the arrival of the cabin 4 to the floor is detected, thanks to the signal N, the electronic switch 22 remains open.
  • the signal C F for closing control of the switch 16 can also assume a state corresponding to the opening of this switch 16.
  • the control device 10 can be arranged to allow, if necessary, the operator to restart the operation of the safety device 1 until the cabin 4 reaches the next floor, sending an order corresponding to the device of control 10, for example through an entrance reserved for this purpose.
  • the operator can then cause the unlocking of the doors if necessary, to allow the evacuation of the cabin.
  • the safety device 1 is provided so that the cabin 4 stops at the nearest floor.
  • the control device 10 is arranged to sequentially control the electronic switch 22 until the cabin arrives at a predefined floor, for example the ground floor. , corresponding for example to the reception of a predefined signal N or any other corresponding signal.
  • Monitoring of the state of the contacts of the switches 15, 16 and the state of the brake 2 may be permanent.
  • the control device 10 may be arranged to deliver a signal D signaling a fault in case, for example, of non-coherence between the amplitude of the remanent voltage supplied by the motor 3 and the frequency of this voltage or when the information representative of the state of the switches 15, 16 are not consistent with the state of the brake 2.
  • the signal D can control for example the display of an error message, the lighting of a light and / or the emission of an audible signal.
  • the electronic switch 22 may be replaced by an electromechanical switch.

Landscapes

  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Elevator Control (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Claims (11)

  1. Sicherheitsvorrichtung für einen Aufzug mit einer Kabine (4), einem Gegengewicht (7), einem die Kabine antreibenden Motor (3), der Motor einen Rotor (6) aufweist, und mindestens einer elektromechanischen Bremse bei Stromausfall,
    wobei die Sicherheitsvorrichtung eine Steuervorrichtung (10) umfasst, die dazu ausgelegt ist:
    mindestens eine zur Notversorgung der Bremse berechtigende Information (AF, AV) zu empfangen, um den Rotor freizugeben und um der zwischen zwei Etagen blockierten Kabine zu erlauben, sich unter der Einwirkung eines Ungleichgewichts zwischen dem Gewicht der Kabine und dem des Gegengewichts fortzubewegen,
    mindestens eine Information (V) zum Feststellen der Geschwindigkeit der Kabine (4) zu empfangen,
    die Speisung der Bremse (2) so zu steuern, dass die Kabine bis zu einer Evakuierungsetage fortbewegt wird, während ein Überschreiten der Kabinengeschwindigkeit über eine vorbestimmte Grenze (Vm) verhindert wird,
    wobei die Information (V) zum Feststellen der Kabinengeschwindigkeit von mindestens einer elektrischen Größe des Motors geliefert wird.
  2. Vorrichtung nach dem vorhergehenden Patentanspruch, wobei die Steuervorrichtung (10) dazu ausgelegt ist, eine die Kabinenankunft in der Evakuierungsetage wiedergebende Information (N) zu empfangen, und automatisch die Bremsspeisung zu unterbrechen, wenn diese Information empfangen wird.
  3. Vorrichtung nach dem vorhergehenden Patentanspruch, wobei die Evakuierungsetage eine andere ist, als die zwischen denen sich die Kabine ursprünglich befindet.
  4. Vorrichtung nach einem der vorhergehenden Patentansprüche, wobei die Steuervorrichtung (10) dazu ausgelegt ist, die Informationen, die die durch die Rotation des Rotors (6) induzierte Spannungsamplitude und die Frequenz dieser Spannung angeben; zu untersuchen und im Falle der Inkohärenz ein Fehlersignal (D) zu erzeugen.
  5. Vorrichtung nach einem der vorhergehenden Patentansprüche mit einer Batterie (12) zum Speisen der Bremse bei Fehlen von Netzstroms.
  6. Vorrichtung nach dem vorhergehenden Patentanspruch mit einer Spannungsanhebevorrichtung (20) zum Anheben der durch die Batterie (12) gelieferten Spannung auf einen mit der Bremsspeisung (2) kompatiblen Wert.
  7. Vorrichtung nach einem der vorhergehenden Patentansprüche, wobei die Bremse mit Abständen einer vorgegebenen Unterbrechungsdauer (d) zwischen zwei aufeinander folgenden Bremsspeisungen gespeist wird.
  8. Vorrichtung nach dem vorhergehenden Patentanspruch, wobei die Dauer (d) zwischen circa 0,5 Sekunden und circa 10 Sekunden liegt.
  9. Vorrichtung nach einem der vorhergehenden Patentansprüche, mit einer Bremsspeiseschaltung, die mindestens einen ersten (15) und einen zweiten (16) Kontaktschalter enthält, die zum Speisen der Bremse zuvor beide im Durchlasszustand sind, wobei der erste Schalter (15) durch ein von der Steuervorrichtung unabhängiges Signal (AV) und der zweite Schalter (16) sowohl durch ein von der Steuervorrichtung (10) unabhängiges Signal (AF) als auch durch ein von der Steuervorrichtung (10) stammendes Signal (CF) gesteuert wird.
  10. Aufzugsmaschine, die mit einer in einem der vorhergehenden Patentansprüchen definierten Sicherheitsvorrichtung versehen ist.
  11. Aufzug, der mit einer Sicherheitsvorrichtung nach einem der Ansprüche 1 bis 9 versehen ist.
EP05301055A 2004-12-27 2005-12-14 Sicherheitseinrichung eines Aufzugs Not-in-force EP1674417B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0413948A FR2880009B1 (fr) 2004-12-27 2004-12-27 Dispositif de securite pour ascenseur

Publications (2)

Publication Number Publication Date
EP1674417A1 EP1674417A1 (de) 2006-06-28
EP1674417B1 true EP1674417B1 (de) 2011-03-16

Family

ID=35115887

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05301055A Not-in-force EP1674417B1 (de) 2004-12-27 2005-12-14 Sicherheitseinrichung eines Aufzugs

Country Status (7)

Country Link
US (1) US7506726B2 (de)
EP (1) EP1674417B1 (de)
CN (1) CN1796260B (de)
AT (1) ATE501970T1 (de)
DE (1) DE602005026900D1 (de)
ES (1) ES2363344T3 (de)
FR (1) FR2880009B1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7316297B2 (en) * 2005-05-27 2008-01-08 Chiu Nan Wang Elevator escape device
FI118642B (fi) * 2006-04-28 2008-01-31 Kone Corp Hissijärjestelmä
JP4277888B2 (ja) * 2006-08-28 2009-06-10 株式会社日立製作所 エレベータ制御装置
FI119508B (fi) * 2007-04-03 2008-12-15 Kone Corp Vikaturvallinen tehonohjauslaitteisto
US7877170B2 (en) * 2007-05-24 2011-01-25 Verdant Power Remanent voltage generator tachometer and control for induction machine
ES2343608B1 (es) * 2007-08-03 2011-06-16 Orona, S.Coop Procedimiento y dispositivo de actuacion en situacion de emergencia en aparatos elevadores.
FI120426B (fi) * 2007-09-19 2009-10-15 Kone Corp Hissin väliaikainen pääkytkinjärjestely
FI119807B (fi) * 2007-11-30 2009-03-31 Kone Corp Hissin valmiustila
WO2010058453A1 (ja) * 2008-11-18 2010-05-27 三菱電機株式会社 エレベータ装置
CN103130054A (zh) * 2011-11-25 2013-06-05 深圳市一兆科技发展有限公司 一种获取轿厢运行速度的方法及相关装置
FI123506B (fi) * 2012-05-31 2013-06-14 Kone Corp Hissin käyttölaite sekä hissin turvajärjestely
FR3004872B1 (fr) 2013-04-17 2017-05-05 Moteurs Leroy-Somer Dispositif de controle d'un frein a manque de courant.
CN107428498B (zh) * 2015-04-01 2022-01-14 通力股份公司 制动控制设备和控制电梯制动器的方法
KR102612854B1 (ko) 2015-08-07 2023-12-13 오티스 엘리베이터 컴파니 영구 자석(pm) 동기 모터 드라이브 시스템을 포함하는 엘리베이터 시스템
EP3331793B1 (de) * 2015-08-07 2024-10-09 Otis Elevator Company Rettungsteuerung und verfahren zum betrieb eines aufzugssystems mit einem synchronmotorantriebssystem mit permanentmagnet (pm)
EP3190076B1 (de) * 2016-01-07 2019-06-12 Kone Corporation Bewegungsfeedback in einem aufzug
EP3403966A1 (de) * 2017-05-17 2018-11-21 KONE Corporation Drahtlose energieübertragungsanordnung für eine aufzugskabine und aufzug
EP3939922A1 (de) * 2020-07-16 2022-01-19 Otis Elevator Company Sicherheitsschaltung für einen aufzug

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19754034A1 (de) * 1997-12-05 1999-06-10 Hopmann Maschinenfabrik Gmbh L Aufzugs-Bremseinrichtung
KR100303011B1 (ko) * 1998-12-12 2002-05-09 장병우 엘리베이터의운전제어장치
US6196355B1 (en) * 1999-03-26 2001-03-06 Otis Elevator Company Elevator rescue system
ES2186461B2 (es) * 1999-12-21 2004-03-16 Otis Elevator Co "sistema de frenado dinamico con control de velocidad para una cabina de ascensor".
JP2001187677A (ja) * 1999-12-28 2001-07-10 Mitsubishi Electric Corp エレベータの制御装置
JP2001240325A (ja) * 2000-02-28 2001-09-04 Mitsubishi Electric Corp エレベータの制御装置
JP4249364B2 (ja) * 2000-02-28 2009-04-02 三菱電機株式会社 エレベータの制御装置
JP2002145543A (ja) * 2000-11-09 2002-05-22 Mitsubishi Electric Corp エレベータの制御装置
US6848544B2 (en) * 2001-01-26 2005-02-01 Inventio Ag Method and equipment for the evacuation of lift passengers
KR100509146B1 (ko) * 2001-10-17 2005-08-18 미쓰비시덴키 가부시키가이샤 엘리베이터의 제어장치

Also Published As

Publication number Publication date
FR2880009B1 (fr) 2008-07-25
DE602005026900D1 (de) 2011-04-28
CN1796260B (zh) 2011-09-14
CN1796260A (zh) 2006-07-05
ATE501970T1 (de) 2011-04-15
US7506726B2 (en) 2009-03-24
US20060137941A1 (en) 2006-06-29
FR2880009A1 (fr) 2006-06-30
ES2363344T3 (es) 2011-08-01
EP1674417A1 (de) 2006-06-28

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