EP1870368A1 - Dispositif d'ascenseur - Google Patents

Dispositif d'ascenseur Download PDF

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Publication number
EP1870368A1
EP1870368A1 EP05730419A EP05730419A EP1870368A1 EP 1870368 A1 EP1870368 A1 EP 1870368A1 EP 05730419 A EP05730419 A EP 05730419A EP 05730419 A EP05730419 A EP 05730419A EP 1870368 A1 EP1870368 A1 EP 1870368A1
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EP
European Patent Office
Prior art keywords
speed
raised
car
generator
abnormal
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
Application number
EP05730419A
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German (de)
English (en)
Other versions
EP1870368B1 (fr
EP1870368A4 (fr
Inventor
Masanori c/o Mitsubishi Denki Kabushiki YASUE
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.)
Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP1870368A1 publication Critical patent/EP1870368A1/fr
Publication of EP1870368A4 publication Critical patent/EP1870368A4/fr
Application granted granted Critical
Publication of EP1870368B1 publication Critical patent/EP1870368B1/fr
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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
    • B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
    • 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
    • B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
    • B66B5/06—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed electrical

Definitions

  • the present invention relates to an elevator apparatus equipped with an emergency stop device for forcibly stopping a car or a counterweight.
  • a car may be mounted with an emergency stop device which operates through an electromagnetic actuator to swiftly perform an operation of stopping the car.
  • the electromagnetic actuator is operated by being supplied with a power from a battery (see Patent Document 1).
  • Patent Document 1 WO 2004-083091
  • the present invention has been made to solve the above-mentioned problems, and it is therefore an obj ect of the present invention to obtain an elevator apparatus in which an emergency stop device for forcibly stopping raised/lowered bodies is allowed to operate more swiftly and more reliably when a car and a counterweight (raised/lowered bodies) are traveling at an excessively high speed.
  • An elevator apparatus includes: a generator for generating a power corresponding to a speed of a raised/lowered body; and an emergency stop device with which the raised/lowered body is mounted, for being operated by the power generated by the generator to forcibly brake the raised/lowered body when the speed of the raised/lowered body is abnormal.
  • Fig. 1 is a schematic diagram showing an elevator apparatus according to Embodiment 1 of the present invention.
  • a pair of car guide rails 2 and a pair of counterweight guide rails (not shown) are installed within a hoistway 1.
  • a car 3 as a raised/lowered body is disposed between the respective car guide rails 2
  • a counterweight 4 as a raised/lowered body is disposed between the respective counterweight guide rails.
  • the car 3 is raised/lowered within the hoistway 1 while being guided by the respective car guide rails 2
  • the counterweight 4 is raised/lowered within the hoistway 1 while being guided by the respective counterweight guide rails.
  • a deflector pulley 5, a hoisting machine 6 as a drive device for generating a driving force for raising/lowering the car 3 and the counterweight 4, are provided in an upper portion of the hoistway 1.
  • the hoistingmachine 6 has a drive device body 7 including a motor, and a drive sheave 8 rotated by the drive device body 7.
  • a plurality of main ropes 9 are looped around the deflector pulley 5 and the drive sheave 8.
  • the car 3 and the counterweight 4 are suspended within the hoistway 1 by means of the respective main ropes 9.
  • the car 3 and the counterweight 4 are raised/lowered within the hoistway 1 through rotation of the drive sheave 8.
  • the car 3 is mounted with a pair of emergency stop devices 10 facing the car guide rails 2, respectively.
  • the emergency stop devices 10 have braking portions 11 for generating braking forces applied to the car 3 and electromagnetic drive portions 12 for operating the braking portions 11 through energization, respectively.
  • the braking portions 11 have wedges 13, which can move into contact with and away from the car guide rails 2, respectively.
  • the wedges 13 are pressed against the car guide rails 2, respectively, through operation of the braking portions 11, respectively.
  • the braking portions 11 When the wedges 13 are pressed against the car guide rails 2, respectively, the braking portions 11 thereby generate braking forces applied to the car 3, respectively.
  • the car 3 is forcibly stopped by the braking forces generated through operations of the respective braking portions 11.
  • the car 3 is also mounted with a pulley device (rotational body device) 17, which has a first driven pulley 14 and a second driven pulley 15 as a pair of rotational bodies rotated in accordance with the speed of the car 3 and an urging device 16 for urging the first driven pulley 14 and the second driven pulley 15 away from each other.
  • the pulley device 17 is provided on a lower portion of the car 3.
  • the first driven pulley 14 and the second driven pulley 15 are disposed vertically in alignment with each other. That is, the first driven pulley (one of the rotational bodies) 14 is disposed above the second driven pulley (the other rotational body) 15.
  • a governor rope 18 is looped around the first driven rope 14 and the second driven rope 15 so as to surround them together.
  • the governor rope 18 is connected at one end thereof to the upper fixed member 19 via a spring (elastic body) 21.
  • the governor rope 18 is connected at the other end thereof to the lower fixedmember 20 via a spring (elasticbody) 22.
  • the governor rope 18, which extends from the lower fixed member 20 side to the upper fixed member 19 side, is looped around the first driven pulley 14 and then around the second driven pulley 15.
  • a tensile force is applied to the governor rope 18 owing to respective urging forces of the springs 21 and 22 and the urging device 16.
  • frictional forces are generated between the governor rope 18 and the first driven pulley 14 and between the governor rope 18 and the second driven pulley 15, respectively.
  • the pulley device 17 is moved with respect to the governor rope 18 when the car 3 is raised/lowered within the hoistway 1.
  • the first driven pulley 14 and the second driven pulley 15 are thereby rotated in accordance with the speed of the car 3. In other words, the rotational speeds of the first driven pulley 14 and the second driven pulley 15 increase as the speed of the car 3 increases, and decrease as the speed of the car 3 decreases.
  • a car shock absorber 23 for absorbing a shock caused to the car 3 upon a fall thereof and a counterweight shock absorber 24 for absorbing a shock caused to the counterweight 4 upon a fall thereof are installed on a bottom portion within the hoistway 1.
  • a control cable (mobile cable) 25 for transmitting information between a control device (not shown) for controlling operation of an elevator and the car 3 is connected to the car 3.
  • Fig. 2 is a schematic diagram showing an essential part of the elevator apparatus of Fig. 1.
  • Fig. 3 is a lateral view showing the pulley device 17 of Fig. 2.
  • the car 3 is mounted with a first generator 26 and a second generator 27 for generating power through movement of the car 3, and a first car speed detector 28 and a second car speed detector 29 for detecting a speed of the car 3.
  • the first generator 26 and the first car speed detector 28 are provided on a rotational shaft of the first driven pulley 14.
  • the second generator 27 and the second car speed detector 29 are provided on a rotational shaft of the second driven pulley 15.
  • the first generator 26 and the first car speed detector 28 may be integrated with the first driven pulley 14 or engaged with an outer peripheral portion of the first driven pulley 14 instead of being provided on the rotational shaft of the first driven pulley 14.
  • the second generator 27 and the second car speed detector 29 may be integrated with the second driven pulley 15 or engaged with an outer peripheral portion of the second driven pulley 15 instead of being provided on the rotational shaft of the second driven pulley 15.
  • the first generator 26 generates a power corresponding to a speed of the car 3 based on rotation of the first driven pulley 14.
  • the second generator 27 generates a power corresponding to a speed of the car 3 based on rotation of the second driven pulley 15.
  • the respective emergency stop devices 10 are operated by the powers generated by the first generator 26 and the second generator 27 when the speed of the car 3 is abnormal (excessively high). That is, the magnitudes of the powers generated by the first generator 26 and the second generator 27 increase as the speed of the car 3 increases, so the emergency stop devices 10 do not operate until the magnitudes of the powers generated by the first generator 26 and the second generator 27 reach predetermined values at the time when the speed of the car 3 has abnormally increased.
  • the first car speed detector 28 generates a signal corresponding to a speed of the car 3 based on rotation of the first driven pulley 14.
  • the second car speed detector 29 generates a signal corresponding to a speed of the car 3 based on rotation of the second driven pulley 15.
  • encoders can be mentioned as the first car speed detector 28 and the second car speed detector 29.
  • the car 3 is mounted with a speed governing device 30 and a backup circuit 31 for supplying the electromagnetic drive portions 12 with powers from the first generator 26 and the second generator 27 only when the speed of the car 3 is abnormal.
  • the speed governing device 30 has a power receiving portion 32 for receiving powers from the first generator 26 and the second generator 27, and a speed governing control portion 33 for determining, based on respective pieces of information from the first car speed detector 28 and the second car speed detector 29, whether or not the speed of the car 3 is abnormal, thereby supplying the respective emergency stop devices 10 with the powers received by the power receiving portion 32 only when the speed of the car 3 is abnormal.
  • the power receiving portion 32 supplies the speed governing control portion 33 with the powers from the first generator 2 6 and the second generator 27 as a control power source for a control operation of the speed governing device 30 and an emergency operation power source for causing the electromagnetic drive portions 12 of the emergency stop devices 10 to operate.
  • the speed governing control portion 33 is allowed to perform the control operation by being supplied with the control power source from the power receiving portion 32.
  • the speed governing control portion 33 has a first processing portion 34 for determining, based on information from the first car speed detector 28, whether or not the speed of the car 3 is abnormal, a second processing portion 35 for determining, based on information from the second car speed detector 29, whether or not the speed of the car 3 is abnormal, and an emergency output portion 36 for supplying the respective emergency stop devices 10 with the emergency operation power source from the power receiving portion 32 when at least one of the first processing portion 34 and the second processing portion 35 has determined that the speed of the car 3 is abnormal.
  • An overspeed setting pattern as a reference for determining whether or not the speed of the car 3 is abnormal, which corresponds to a vertical position within the hoistway 1, is set in advance in each of the first processing portion 34 and the second processing portion 35.
  • the overspeed setting pattern is set so as to continuously decrease within a predetermined section in the vicinity of each of terminal portions (upper terminal portion and lower terminal portion) of the hoistway 1 as the distance therefrom decreases.
  • the first processing portion 34 has a first calculation portion 37 for acquiring a signal from the first car speed detector 28 as car information and calculating a position and a speed of the car 3 based on the acquired car information, and a first determination portion 38 for comparing the position and the speed of the car 3 calculated by the first calculation portion 37 with the overspeed setting pattern to determine whether or not the speed of the car 3 is abnormal.
  • the second processing portion 35 has a second calculation portion 39 for acquiring a signal from the second car speed detector 29 as car information and calculating a position and a speed of the car 3 based on the acquired car information, and a second determination portion 40 for comparing the position and the speed of the car 3 calculated by the second calculation portion 39 with the overspeed setting pattern to determine whether or not the speed of the car 3 is abnormal.
  • the emergency output portion 36 determines, based on respective pieces of information from the first determination portion 38 and the second determination portion 40, whether or not the respective emergency stop devices 10 should be supplied with the emergency operation power source from the power receiving portion 32. That is, the emergency output portion 36 determines, based on dual determinations, namely, a determination made by the first determination portion 38 and a determination made by the second determination portion 40, whether or not the respective emergency stop devices 10 should be supplied with the emergency operation power source from the power receiving portion 32.
  • the backup circuit 31 determines, based on magnitudes of powers from the first generator 26 and the second generator 27, whether or not the speed of the car 3 is abnormal, and supplies the electromagnetic drive portions 12 with the powers from the first generator 26 and the second generator 27 only when it is determined that the speed of the car 3 is abnormal.
  • An abnormality determination set value as a reference for determining whether or not the speed of the car 3 is abnormal through a comparison between the magnitudes of the powers from the first generator 26 and the second generator 27 is set in the backup circuit 31.
  • the abnormality determination set value is set higher than a rated speed of the elevator.
  • the electromagnetic drive portions 12 are supplied with powers from at least one of the speed governing device 30 and the backup circuit 31, the respective emergency stop devices 10 are thereby operated to forcibly generate braking forces applied to the car 3.
  • the control operation of the speed governing device 30 is performed in response to the supply of powers from the first generator 26 and the second generator 27.
  • the first processing portion 34 determines, based on the signal from the first car speed detector 28, whether or not the speed of the car 3 is abnormal
  • the second processing portion 35 determines, based on the signal from the second car speed detector 29, whether or not the speed of the car 3 is abnormal.
  • the backup circuit 31 determines, based on the magnitudes of the powers from the first generator 26 and the second generator 27, whether or not the speed of the car 3 is abnormal.
  • the respective emergency stop devices 10 are stopped from being supplied with powers from the speed governing device 30 and the backup circuit 31, respectively.
  • the car 3 is not forcibly stopped through operations of the respective emergency stop devices 10.
  • the powers generated by the first generator 26 and the second generator 27 are supplied to the respective emergency stop devices 10 from the emergency output portion 36 of the speed governing device 30.
  • the magnitudes of the powers supplied to the respective emergency stop devices 10 from each of the speed governing device 30 and the backup circuit 31 are large enough to operate the respective emergency stop devices 10 because the speed of the car 3 has abnormally increased. Accordingly, when the speed of the car 3 has abnormally increased, the respective emergency stop devices 10 are supplied with a power from the speed governing device 30 or the backup circuit 31 to be operated, so the car 3 is stopped from moving.
  • the first generator 26 and the second generator 27 generate powers corresponding to the speed of the car 3, and the emergency stop devices 10 are operated by the powers of the first generator 26 and the second generator 27 at the time when the speed of the car 3 is abnormal. Therefore, moving energy of the car 3 can be converted intoapower. Even when the speed of the car 3 has abnormally increased in the event of a blackout, powers large enough to operate the respective emergency stop devices 10 can be generated by the first generator 26 and the second generator 27. Accordingly, the emergency stop devices can be prevented from failing to operate for reasons of, for example, a deterioration in a battery, in the event of a blackout. As a result, the emergency stop devices 10 can be operated more reliably in a shorter period of time.
  • the car 3 is mounted with the first generator 26 and the second generator 27, so the respective emergency stop devices 10 can be prevented from being stopped from being supplied with powers owing to, for example, breakage of the control cable 25. As a result, the respective emergency stop devices 10 can be supplied with powers more reliably.
  • the first car speed detector 28 and the second car speed detector 29 generate signals corresponding to the speed of the car 3, and the speed governing device 30 determines, based on the signals from the first car speed detector 28 and the second car speed detector 29, whether or not the speed of the car 3 is abnormal. Only when it is determined that the speed of the car 3 is abnormal, the respective emergency stop devices 10 are supplied with powers from the first generator 26 and the second generator 27. Therefore, the respective emergency stop devices 10 can be prevented from malfunctioning. In addition, the respective emergency stop devices 10 can be operated more reliably when the speed of the car 3 is abnormal.
  • the car 3 is mounted with the first car speed detector 28 and the second car speed detector 29, so signals from the first car speed detector 28 and the second car speed detector 29 can be transmitted to the speed governing device 30 more reliably.
  • the pulley device 17 has the first driven pulley 14 and the second driven pulley 15, which are rotated in accordance with the speed of the car 3.
  • the speed governing device 30 determines, based on rotation of the first driven pulley 14 and the second driven pulley 15, whether or not the speed of the car 3 is abnormal. Therefore, the determination can be made by the speed governing device 30 more reliably with a simple configuration.
  • the speed governing device 30 has the first processing portion 34 for determining, based on rotation of the first driven pulley 14, whether or not the speed of the car 3 is abnormal, the second processing portion 35 for determining, based on rotation of the second driven pulley 15, whether or not the speed of the car 3 is abnormal, and the emergency output portion 36 for supplying the emergency stop devices 10 with powers from the first generator 26 and the second generator 27 when at least one of the first processing portion 34 and the second processing portion 35 has determined that the speed of the car 3 is abnormal. Therefore, a plurality of determinations can be made on the presence or absence of an abnormality in the speed of the car 3, and the reliability in determining whether or not the respective emergency stop devices 10 should be supplied with powers can be enhanced. Thus, the emergency stop devices 10 can further be prevented from malfunctioning.
  • the governor rope 18, which is vertically stretched within the hoistway 1, is looped around the first driven pulley 14 and the second driven pulley 15 so as to surround them together.
  • the first driven pulley 14 and the second driven pulley 15 are urged away from each other by the urging device 16 such that a tensile force is applied to the governor rope 18. Therefore, a large frictional force can be generated between the first driven pulley 14 and the governor rope 18 and between the second driven pulley 15 and the governor rope 18, respectively.
  • the first driven pulley 14 and the second driven pulley 15 can be prevented from slipping with respect to the governor rope 18.
  • the first driven pulley 14 and the second driven pulley 15 can be rotated more reliably in accordance with the speed of the car 3.
  • the governor rope 18 is connected to the upper portion of the hoistway 1 via the spring 21 and to the lower portion of the hoistway 1 via the spring 22, so a tensile force can be applied to the governor rope 18.
  • the increase in the length of the governor rope 18 can be absorbed by elasticity of the springs 21 and 22.
  • the frictional forces between the first driven pulley 14 and the governor rope 18 and between the second driven pulley 15 and the governor rope 18, respectively can be prevented from decreasing.
  • Fig. 4 is a plan view showing an elevator apparatus according to Embodiment 2 of the present invention.
  • Fig. 5 is a front view showing an essential part of a pulley device of Fig. 4.
  • the car 3 is mounted with a pulley device (rotational body device) 54.
  • the pulley device 54 is provided in an upper portion of the car 3.
  • the pulley device 54 has a first driven pulley (rotational body) 51 and a second driven pulley (rotational body) 52, which are arranged at an interval in a horizontal direction, and an urging device 53 for urging the first driven pulley 51 and the second driven pulley 52 away from each other.
  • the first driven pulley 51 is disposed outward of the second driven pulley 52 with respect to the car 3 in the horizontal direction.
  • Two groove portions 51a and 51b, along which the governor rope 18 is looped, are provided in an outer peripheral portion of the first driven pulley 51.
  • a groove portion 52a, along which the governor rope 18 is looped, is provided in an outer peripheral portion of the second driven pulley 52.
  • the governor rope 18 is looped around the first driven pulley 51 and the second driven pulley 52 so as to surround them together.
  • a tensile force is applied to the governor rope 18 owing to respective urging forces of the springs 21 and 22 and the urging device 53.
  • the car 3 is also mounted with a first generator 55 and a second generator 56, which generate powers as the car 3 moves.
  • the first generator 55 is provided on a rotational shaft of the first driven pulley 51.
  • the second generator 56 is provided on a rotational shaft of the second driven pulley 52.
  • the first generator 55 generates a power corresponding to a speed of the car 3 based on rotation of the first driven pulley 51.
  • the second generator 56 generates a power corresponding to a speed of the car 3 based on rotation of the second driven pulley 52.
  • the respective emergency stop devices 10 are operated by the powers generated by the first generator 55 and the second generator 56 when the speed of the car 3 is abnormal.
  • the first generator 55 is designed as an AC generator for generating a voltage with a frequency corresponding to rotation of the first driven pulley 51.
  • the second generator 56 is designed as an AC generator for generating a voltage with a frequency corresponding to rotation of the second driven pulley 52.
  • the car 3 is mounted with a speed governing device 57.
  • the speed governing device 57 is allowed to perform a control operation by receiving the powers from the first generator 55 and the second generator 56.
  • the speed governing device 57 determines, based on the frequencies of the voltages (information on the powers) generated by the first generator 55 and the second generator 56, respectively, whether or not the speed of the car 3 is abnormal, and supplies the respective emergency stop devices 10 with the powers generated by the first generator 55 and the second generator 56 only when the speed of the car 3 is abnormal.
  • the speed governing device 57 has a first processing portion for determining, based on the frequency of the voltage from the first generator 55, whether or not the speed of the car 3 is abnormal, a second processing portion for determining, based on the frequency of the voltage from the second generator 56, whether or not the speed of the car 3 is abnormal, and an emergency output portion for supplying the respective emergency stop devices 10 with the powers from the first generator 55 and the second generator 56 when at least one of the first processing portion and the second processing portion has determined that the speed of the car 3 is abnormal.
  • the speed governing device 57 is supplied with the powers from the first generator 55 and the second generator 56 not only as a power source for the control operation but also as information (car information) for detecting a speed of the car 3 and determining whether or not the speed of the car 3 is abnormal.
  • Embodiment 2 of the present invention is identical to Embodiment 1 of the present invention in other constructional details.
  • the speed governing device 57 determines, based on information on the respective powers from the first generator 55 and the second generator 56 (frequencies of voltages in this example), whether or not the speed of the car 3 is abnormal.
  • the speed governing device 57 When the elevator is in normal operation and the speed of the car 3 is normal, the speed governing device 57 does not determine that the speed of the car 3 is abnormal, so no power is supplied from the speed governing device 57 to the respective emergency stop devices 10.
  • the speeds generated by the first generator 55 and the second generator 56 are supplied from the speed governing device 57 to the respective emergency stop devices 10.
  • the respective emergency stop devices 10 are operated, so the car 3 is stopped from moving.
  • the speed governing device 57 acquires the frequencies of the voltages from the first generator 55 and the second generator 56 as information on the powers, determines, based on the information on the powers, whether or not the speed of the car 3 is abnormal, and supplies the respective emergency stop devices 10 with the powers from the first generator 55 and the second generator 56 only when it is determined that the speed of the car 3 is abnormal. Therefore, the speed of the car 3 can be detected without using a dedicated speed detector for detecting the speed of the car 3. Thus, the number of parts can be reduced, so cost reduction and size reduction can be achieved.
  • the first driven pulley 51 and the second driven pulley 52 are arranged at an interval in the horizontal direction. Therefore, the dimension of the pulley device 54 in a height direction can be reduced, and the dimension of the hoistway 1 in a height direction can be reduced. Thus, the elevator apparatus can be reduced in size.
  • the frequencies of the voltages are used as the information on the powers in order for the speed governing device 57 to detect the speed of the car 3.
  • any information changing in accordance with the speed of the car 3 may be used.
  • the magnitudes of the voltages may be used. It is also appropriate to provide loads such as resistors or the like at output portions of the generators from which outputs are transmitted to the speed governing device, thereby using the magnitudes of currents or frequencies as the information on the powers.
  • the speed governing device 57 can determine whether or not the speed of the car 3 is abnormal, and the dedicated speed detector for detecting the speed of the car 3 can be dispensed with.
  • two driven pulleys rotated in accordance with the speed of the car 3 namely, the first driven pulley and the second driven pulley are employed.
  • the speed governing device can calculate a speed of the car 3 based on rotation of the driven pulley and determine whether or not the speed of the car 3 is abnormal.
  • the governor rope 18 is looped around only the single driven pulley. A tensile force is applied to the governor rope 18 owing to urging forces of the springs 21 and 22.
  • the speed governing device is provided with three or more processing portions corresponding to the driven pulleys, respectively.
  • Each of the processing portions determines, based on rotation of a corresponding one of the driven pulleys, whether or not the speed of the car 3 is abnormal.
  • the emergency output portion supplies the respective emergency stop devices 10 with powers from the first generator and the second generator when the number of the processing portions having determined that the speed of the car 3 is abnormal is larger than the number of the processing portions having determined that the speed of the car 3 is normal.
  • the speed governing device supplies the respective emergency stop devices 10 with powers from the generators when two or three processing portions have determined that the speed of the car 3 is abnormal. In this manner, even when an erroneous determination has been made on rotation of one or some of the driven pulleys, it is possible to determine, based on determinations made on the other pulleys, whether to supply the respective emergency stop devices 10 with powers. As a result, the reliability of the determination made by the speed governing device can be enhanced.
  • the governor rope 18 is connected to the upper portion of the hoistway 1 and the lower portion of the hoistway 1 via the springs 21 and 22, respectively.
  • the governor rope 18 may be connected to only the upper portion of the hoistway 1 or the lower portion of the hoistway 1 via a spring. In this manner as well, an increase in the length of the governor rope 18 can be absorbed by the spring, and the magnitude of a frictional force between each of the driven pulleys and the governor rope 18 can be prevented from decreasing.
  • the car 3 is mounted with the pulley device, the emergency stop devices, the speed governing device, and the backup circuit.
  • the counterweight 4 may be mounted with these components, or both the car 3 and the counterweight 4 may be mounted with these components, respectively.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
EP05730419.8A 2005-04-13 2005-04-13 Dispositif d'ascenseur Not-in-force EP1870368B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2005/007134 WO2006112008A1 (fr) 2005-04-13 2005-04-13 Dispositif d'ascenseur

Publications (3)

Publication Number Publication Date
EP1870368A1 true EP1870368A1 (fr) 2007-12-26
EP1870368A4 EP1870368A4 (fr) 2012-07-11
EP1870368B1 EP1870368B1 (fr) 2019-04-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP05730419.8A Not-in-force EP1870368B1 (fr) 2005-04-13 2005-04-13 Dispositif d'ascenseur

Country Status (4)

Country Link
EP (1) EP1870368B1 (fr)
JP (1) JP4917030B2 (fr)
CN (1) CN101163636B (fr)
WO (1) WO2006112008A1 (fr)

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WO2014012837A1 (fr) * 2012-07-18 2014-01-23 Inventio Ag Système d'ascenseur doté d'un dispositif de sécurité
CN104555680A (zh) * 2014-12-29 2015-04-29 昆山京都电梯有限公司 一种可自动对蓄电池充电的电梯
WO2016016680A1 (fr) * 2014-08-01 2016-02-04 Otis Elevator Company Régulateur de vitesse monté dans une cabine d'un système d'ascenseur
EP3130554A1 (fr) * 2015-08-13 2017-02-15 Kone Corporation Ascenseur
EP2673232A4 (fr) * 2011-02-07 2017-11-22 Otis Elevator Company Régulateur d'ascenseur doté de deux mécanismes de déclenchement sur des faisceaux distincts
DE202017005334U1 (de) * 2017-10-17 2019-01-18 Wittur Holding Gmbh Vorrichtung zur Kontrolle eines Geschwindigkeitsbegrenzerriemens und elektronischer Geschwindigkeitsbegrenzer
EP3798174A1 (fr) * 2019-09-26 2021-03-31 Inventio AG Dispositif de déclenchement pour un parachute
RU2774373C2 (ru) * 2017-10-17 2022-06-20 Виттур Холдинг ГМБХ Устройство контроля ремня ограничителя скорости и электронный ограничитель скорости
WO2023247818A1 (fr) * 2022-06-22 2023-12-28 Kone Corporation Agencement d'engrenage de sécurité pour ascenseur, ascenseur et procédé de fonctionnement d'agencement d'engrenage de sécurité pour ascenseur

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CN102485627A (zh) * 2010-12-01 2012-06-06 傅涛 一种运载装置和运载系统
JP5886370B2 (ja) * 2014-06-26 2016-03-16 東芝エレベータ株式会社 調速機
US11738971B2 (en) 2021-06-25 2023-08-29 Otis Elevator Company Elevator governor tension frame damper
CN113594922B (zh) * 2021-07-20 2024-02-02 广东深霖达电力有限公司 一种便于拆装的配电开关

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06183660A (ja) * 1992-12-04 1994-07-05 Otis Elevator Co エレベーターの調速機誤動作防止装置
JPH1087212A (ja) * 1996-09-12 1998-04-07 Hitachi Ltd エレベータ用調速機
JPH1121035A (ja) * 1997-07-04 1999-01-26 Toshiba Corp エレベータ装置
US20010011618A1 (en) * 1999-12-28 2001-08-09 Shinobu Tajima Elevator control apparatus using charge/discharge control circuit for power storage apparatus
JP2002145539A (ja) * 2000-11-14 2002-05-22 Mitsubishi Electric Corp エレベーター装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55140471A (en) * 1979-04-14 1980-11-01 Hitachi Ltd Elevator controller
JPS60193373A (ja) * 1984-03-14 1985-10-01 Mitsubishi Electric Corp 半導体記憶装置
JPS60193373U (ja) * 1984-05-30 1985-12-23 株式会社東芝 エレベ−タ用安全装置
JPS6365680A (ja) * 1986-09-05 1988-03-24 Nec Corp トンネルダイオ−ド型半導体装置
JPH01317977A (ja) * 1988-06-17 1989-12-22 Mitsubishi Electric Corp エレベーターの速度検出装置
JP2001158579A (ja) * 1999-12-01 2001-06-12 Hitachi Ltd エレベータのガバナ装置、及びエレベータ
JP2002255464A (ja) * 2001-02-14 2002-09-11 Otis Elevator Co エレベータの位置検出装置
JP4553535B2 (ja) * 2001-09-28 2010-09-29 三菱電機株式会社 エレベータ装置
JP2003267639A (ja) * 2002-03-14 2003-09-25 Hitachi Ltd エレベータ乗りかごの電力供給装置
WO2004083090A1 (fr) 2003-03-18 2004-09-30 Mitsubishi Denki Kabushiki Kaisha Dispositif d'arret d'urgence pour ascenseur

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06183660A (ja) * 1992-12-04 1994-07-05 Otis Elevator Co エレベーターの調速機誤動作防止装置
JPH1087212A (ja) * 1996-09-12 1998-04-07 Hitachi Ltd エレベータ用調速機
JPH1121035A (ja) * 1997-07-04 1999-01-26 Toshiba Corp エレベータ装置
US20010011618A1 (en) * 1999-12-28 2001-08-09 Shinobu Tajima Elevator control apparatus using charge/discharge control circuit for power storage apparatus
JP2002145539A (ja) * 2000-11-14 2002-05-22 Mitsubishi Electric Corp エレベーター装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2006112008A1 *

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2673232A4 (fr) * 2011-02-07 2017-11-22 Otis Elevator Company Régulateur d'ascenseur doté de deux mécanismes de déclenchement sur des faisceaux distincts
AU2013292128B2 (en) * 2012-07-18 2016-10-27 Inventio Ag Elevator system having a safety device
US9580275B2 (en) 2012-07-18 2017-02-28 Inventio Ag Elevator system having a safety device
CN104540763A (zh) * 2012-07-18 2015-04-22 因温特奥股份公司 具有安全装置的电梯设备
WO2014012837A1 (fr) * 2012-07-18 2014-01-23 Inventio Ag Système d'ascenseur doté d'un dispositif de sécurité
AU2013292128A8 (en) * 2012-07-18 2016-11-24 Inventio Ag Elevator system having a safety device
EP3194317B1 (fr) 2014-08-01 2019-03-27 Otis Elevator Company Régulateur de vitesse monté dans une cabine d'un système d'ascenseur
WO2016016680A1 (fr) * 2014-08-01 2016-02-04 Otis Elevator Company Régulateur de vitesse monté dans une cabine d'un système d'ascenseur
US10654685B2 (en) 2014-08-01 2020-05-19 Otis Elevator Company Car mounted governor for an elevator system
CN104555680A (zh) * 2014-12-29 2015-04-29 昆山京都电梯有限公司 一种可自动对蓄电池充电的电梯
US10124991B2 (en) 2015-08-13 2018-11-13 Kone Corporation Car speed monitoring assembly for an elevator
EP3130554A1 (fr) * 2015-08-13 2017-02-15 Kone Corporation Ascenseur
DE202017005334U1 (de) * 2017-10-17 2019-01-18 Wittur Holding Gmbh Vorrichtung zur Kontrolle eines Geschwindigkeitsbegrenzerriemens und elektronischer Geschwindigkeitsbegrenzer
RU2774373C2 (ru) * 2017-10-17 2022-06-20 Виттур Холдинг ГМБХ Устройство контроля ремня ограничителя скорости и электронный ограничитель скорости
EP3798174A1 (fr) * 2019-09-26 2021-03-31 Inventio AG Dispositif de déclenchement pour un parachute
WO2023247818A1 (fr) * 2022-06-22 2023-12-28 Kone Corporation Agencement d'engrenage de sécurité pour ascenseur, ascenseur et procédé de fonctionnement d'agencement d'engrenage de sécurité pour ascenseur

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EP1870368B1 (fr) 2019-04-03
EP1870368A4 (fr) 2012-07-11
WO2006112008A1 (fr) 2006-10-26
JP4917030B2 (ja) 2012-04-18
CN101163636A (zh) 2008-04-16
CN101163636B (zh) 2010-05-12

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