WO2005097655A1 - エレベータの制振装置 - Google Patents
エレベータの制振装置 Download PDFInfo
- Publication number
- WO2005097655A1 WO2005097655A1 PCT/JP2005/006666 JP2005006666W WO2005097655A1 WO 2005097655 A1 WO2005097655 A1 WO 2005097655A1 JP 2005006666 W JP2005006666 W JP 2005006666W WO 2005097655 A1 WO2005097655 A1 WO 2005097655A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vibration
- elevator
- damping device
- car
- movable weight
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/026—Attenuation system for shocks, vibrations, imbalance, e.g. passengers on the same side
- B66B11/028—Active systems
- B66B11/0286—Active systems acting between car and supporting frame
Definitions
- the present invention relates to a vibration damping device that reduces the vibration of a cab by driving and displacing a movable weight that is displaceably supported by a rickshaw.
- the present invention relates to a technique for improving a vibration damping device so that it can be reduced well.
- an elevator car 1 has a car room 4 supported on a car frame 2 via a vibration insulator 3, and also has a main rope, which also has a hoisting force (not shown) that hangs down. 5 is connected to the car frame 3 via the vibration insulator 6 and moves up and down inside the hoistway 7.
- Guide rollers 9 supported at four upper and lower corners of the car frame 2 via vibration insulators 8 are mounted on a wall 7a of the hoistway 7 and roll on a pair of left and right guide rails 10L and 10R extending in the vertical direction. Move to guide car 1 up and down.
- the vibration damping device 12 shown in FIG. 7 is fixed to the bottom of the power chamber 4, and is driven by a drive motor 13 to rotate in both forward and reverse directions. It comprises a movable weight 15 which is screwed and reciprocated in the axial direction thereof, and an accelerometer 16 fixed to the power chamber 4 and a control means 17 for controlling the operation of the drive motor 13 based on a signal from which a force is also obtained. ing.
- Patent Document 1 JP-A-5-310386
- the signal output from the accelerometer 16 includes a vibration component accompanying the shaking of the building due to the wind! Drives the movable weight 15 in an attempt to cancel the vibration component accompanying the shaking of the building.
- the shaking of the building is very low frequency (less than 0.5Hz) in the case of flexible structures on high floors, and its displacement is on the order of several hundred mm.
- the relative displacement between the guide rails 10L and 10R and the car 2 is several millimeters, and the vibration of the building is out of the range of the vibration damping device. The body itself shakes, and no response is required.
- the vibration which causes a problem when the vibration of the power room 4 is reduced and the riding comfort is improved is caused by the vibration insulator 8 attached to the guide roller 9, the car frame 2 and the car room 4, and so on.
- an object of the present invention is to solve the above-mentioned problems of the prior art and to make It is an object of the present invention to provide an elevator vibration damping device capable of efficiently damping the vibration of the vehicle and improving the riding comfort in the power room. Means for solving the problem
- a vibration damping device for an elevator is a vibration damping device provided in the rickshaw for damping vibration generated in a cab of the elevator, Guide means provided on the car frame, which cooperates with a car frame supporting the car room and a guide rail of a hoistway, the guide means provided on the car frame, and the guide means and the car First vibration isolation means interposed between the frame and the frame, and wherein the vibration damping device drives the movable weight displaceably supported by the power chamber and the movable weight.
- Driving means for measuring the vibration generated in the power chamber, vibration measuring means for measuring the vibration generated in the power chamber, and a low-order characteristic of the first vibration insulating means among the signals obtained from the vibration measuring means.
- Filter means for passing a signal in a frequency band including a frequency; Based on the signal passing through the unit!, Te is characterized by having a control means for controlling operation of said drive means.
- a low-pass filter and a high-pass filter can be used in combination as a filter means.
- the signals in the frequency band including the lower natural frequency of the first vibration insulating means are included.
- the filter means is used to pass only the signal, in other words, to reduce the gain in the frequency band other than the frequency band including the lower natural frequency of the first vibration insulating means.
- the movable weight and the driving means can be intensively used.
- the force that can reduce the size and weight by limiting the damping ability of the movable weight and the driving means, the weight of the entire car can be reduced, and the electric power required to operate the driving means can be reduced. It can also be reduced.
- the elevator vibration damping device includes an elevator What is claimed is: 1. A vibration damping device provided in said rickshaw for damping vibrations generated in a rickshaw, wherein the elevator comprises a car frame supporting the rickshaw, Second vibration isolation means interposed therebetween.
- the vibration damping device is configured to move the movable weight, which is displaceably supported by the power chamber, to drive the movable weight to be displaced, and to measure vibration generated in the power chamber.
- a vibration measuring means a filter means for passing a signal in a frequency band including a low-order natural frequency of the second vibration insulating means among the signals obtained from the vibration measuring means, and a signal passing through the filter means.
- control means for controlling the operation of the driving means.
- a low-pass filter and a high-pass filter can be used in combination as a filter means.
- the signals in the frequency band including the lower-order natural frequency of the second vibration insulating means are included.
- the filter means is used to pass only the signal, in other words, to reduce the gain in the frequency band other than the frequency band including the lower natural frequency of the second vibration insulating means.
- the movable weight and the driving means can be intensively used to dampen the vibration generated between the power frame and the cab due to the natural frequency.
- an elevator vibration damping device provided in the rickshaw for damping vibration generated in the rickshaw of the elevator.
- a movable weight that is displaceably supported by the power room, a driving unit that drives and displaces the movable weight, a vibration measuring unit that measures vibration generated in the cab, and the vibration measuring unit.
- Filter means for removing a low-order natural frequency component of the building in which the elevator is installed from the obtained signal, and the driving means based on the signal passed through the filter means.
- control means for controlling the operation of the means.
- a notch filter a combination of a low-pass filter and a high-pass filter, or the like can be used as the filter means.
- filter means are used to lower the gain of the lower-order natural frequency component of the building.
- At least the movable weight and the driving means can be attached to the car through third vibration insulating means.
- a sealing means detachably attached to the power room, which seals at least the movable weight and the driving means, is further provided. Can be provided.
- a signal obtained from the vibration measuring means is subjected to frequency analysis to obtain a value of a lower-order natural frequency of a building in which the elevator is installed.
- a display unit that displays the value of the low-order natural frequency of the building obtained by the calculation.
- the control means can be adjusted so that the operation of the control means becomes optimal, and a good vibration damping action can be obtained.
- an elevator vibration damping device capable of efficiently damping vibration generated in a cab and improving riding comfort in the cab. Can be provided.
- FIG. 1 is a side view showing an elevator provided with a vibration damping device of the present invention.
- FIG. 2 is an enlarged side view of the vibration damping device shown in FIG. 1.
- FIG. 3 is a block diagram for explaining the operation of the control means shown in FIG. 2.
- FIG. 4 is a gain diagram showing cutoff characteristics of each filter.
- FIG. 5 is a front view (a) and a side view (b) showing a cover of the vibration damping device.
- FIG. 6 is a block diagram for explaining the operation of the control means.
- FIG. 7 is a side view showing an elevator provided with a conventional vibration damping device.
- Vibration insulator (second vibration insulator)
- Vibration insulator (third vibration insulator) Support frame
- Weight position signal control calculation section Low-pass filter cutoff characteristics High-pass filter cutoff characteristics 43 Notch filter cutoff characteristics
- FIGS. 1 to 6 an embodiment of an elevator vibration damping device according to the present invention will be described in detail with reference to FIGS. 1 to 6. Note that in the following description, the same portions will be denoted by the same reference numerals, and redundant description may be omitted.
- a car 1 includes a vibration insulator (second A main rope 5 having a car room 4 supported via a vibration insulator 3 and also having a hoisting force (not shown) which is also suspended is connected to the car frame 3 via a vibration insulator 6 so that the inside of the hoistway 7 Go up and down.
- a vibration insulator second A main rope 5 having a car room 4 supported via a vibration insulator 3 and also having a hoisting force (not shown) which is also suspended is connected to the car frame 3 via a vibration insulator 6 so that the inside of the hoistway 7 Go up and down.
- guide rollers 9 supported at four upper and lower corners of the car frame 2 via vibration insulators (first vibration insulators) 8 are mounted on a wall 7a of the hoistway 7 and extend in a vertical direction. Rolls on guide rails 10L and 10R to guide car 2 up and down.
- a vibration damping device 20 is mounted on the bottom of the car room 4 in order to attenuate the lateral vibration of the power room 4 to improve the riding comfort.
- the vibration damping device 20 includes a fixing member 21 fixed to the bottom surface of the power chamber 4 and a vibration insulator (third vibration insulator) 22 on the fixing member 21. With the frame 23 supported via!
- a screw rod 24 rotatably supported between the left and right vertical walls 23a and 23b of the frame 23 and extending in the left and right direction in the figure is rotated by a drive motor 25 provided on the right side vertical wall 23b in the figure. It can be rotated in both directions. Further, a movable weight 26 is screwed to the screw rod 24, and the screw rod 24 can be displaced in the left-right direction as shown in FIG.
- an accelerometer (vibration measuring means) 27 is provided in the power room 4, and the vibration generated in the car room 4 is measured and output to the control means 28.
- an acceleration signal 31 input from the accelerometer 27 is transmitted through a low-pass filter 32, a high-pass filter 33, a notch filter 34, an integrator 35, and an amplifier 36. And input to the adder 37.
- a weight position signal 38 that also provides a weight position sensor force (not shown) is processed by the weight position signal control calculation unit 39, and then input to the adder 37, and the resulting movable weight thrust command signal is output to the drive motor 25. Is done.
- 41 indicates a low-pass filter
- 42 indicates a high-pass filter
- 43 indicates a cut-off characteristic of a notch filter.
- the gain of the first and second vibration insulating means 8, 3 in a frequency band other than the frequency band including the low-order natural frequency is reduced.
- the caro speed signal 31 that has passed through the notch filter 34 does not include a low-order natural frequency component of the building where the elevator is installed.
- control means 28 does not operate the drive motor 25 so as to control the lower-order natural frequency component of the building included in the vibration of the power room 4, so that the displacement stroke of the movable weight 26 is prevented.
- the acceleration signal 31 that has passed through the low-pass filter 32 and the high-pass filter 33 is guided by the vibration insulator (first vibration insulator) 8.
- the vibration insulator first vibration insulator 8.
- Frequency components of vibration generated between the rails 10L, 10R and the car frame, and vibration isolation The frequency component of vibration generated between the edge frame (second vibration insulator) 3 and the power frame 2 due to the natural frequency of the edge body (second vibration insulator) 3 is mainly included.
- the movable weight 26 and the drive motor 25 can be used intensively for damping the vibration generated in the power chamber 4.
- the movable weight 26 and the drive motor 25 can be reduced in size and weight, the mass of the cab 4 can be reduced, and the electric power required to operate the drive motor 25 can be reduced. You can also.
- FIG. 5 shows a housing (sealing means) 50 for incorporating and sealing the vibration damping device 20.
- the housing 50 has a box-shaped main body portion 51 fixed to the bottom surface of the power room 4 and containing the vibration damping device 20, and a lid 52 for opening and closing the opening below the main body portion in a detachable manner.
- the cover 52 is fixed to the main body by bolts 53.
- FIG. 6 shows a function included in the vibration damping device 20.
- An acceleration signal 61 obtained from the accelerometer 27 attached to the power room 4 passes through each filter. Directly to the frequency analysis unit 62 of the control means 28.
- the frequency analysis operation unit 62 calculates the natural frequency of the building provided with the elevator by processing the acceleration signal 61 and causes the display unit 63 to display the natural frequency.
- control means 28 is controlled so that the operation of the control means 28 is optimized in accordance with the natural frequency of the building which is driven by force. Since the setting of the control means 28 can be adjusted on site, a good vibration damping action can be achieved.
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Elevator Control (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05728716A EP1739047A4 (en) | 2004-04-06 | 2005-04-05 | DAMPING DEVICE FOR ONE ELEVATOR |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004111943A JP4868712B2 (ja) | 2004-04-06 | 2004-04-06 | エレベータの制振装置 |
JP2004-111943 | 2004-04-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005097655A1 true WO2005097655A1 (ja) | 2005-10-20 |
Family
ID=35124959
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/006666 WO2005097655A1 (ja) | 2004-04-06 | 2005-04-05 | エレベータの制振装置 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1739047A4 (ja) |
JP (1) | JP4868712B2 (ja) |
CN (1) | CN1938214A (ja) |
TW (1) | TWI290532B (ja) |
WO (1) | WO2005097655A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2098473A1 (en) * | 2006-12-13 | 2009-09-09 | Mitsubishi Electric Corporation | Elevator device |
CN105347143A (zh) * | 2015-11-27 | 2016-02-24 | 东南电梯股份有限公司 | 一种无导轨液压升降平台及升降方法 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010180033A (ja) * | 2009-02-06 | 2010-08-19 | Toshiba Elevator Co Ltd | エレベータ制振装置 |
US20140166408A1 (en) * | 2011-08-08 | 2014-06-19 | Otis Elevator Company | Drive and Elevator Electronics in Bedplate |
JP2013095570A (ja) * | 2011-11-02 | 2013-05-20 | Hitachi Ltd | 制振装置を備えたエレベーター |
CN103987647A (zh) * | 2011-12-13 | 2014-08-13 | 三菱电机株式会社 | 有源运动衰减器及电梯的振动控制方法 |
JP6449179B2 (ja) * | 2016-01-22 | 2019-01-09 | 株式会社日立ビルシステム | エレベーター |
JP6203334B1 (ja) * | 2016-06-06 | 2017-09-27 | 東芝エレベータ株式会社 | エレベータのアクティブ制振装置 |
CN107673175A (zh) * | 2017-10-18 | 2018-02-09 | 陕西省特种设备质量安全监督检测中心 | 一种能够平稳运行的高速电梯 |
JP7392772B1 (ja) | 2022-06-30 | 2023-12-06 | フジテック株式会社 | 信号処理装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09110341A (ja) * | 1995-10-23 | 1997-04-28 | Toshiba Corp | エレベータかご室の制振装置 |
JPH11116166A (ja) * | 1997-10-15 | 1999-04-27 | Toshiba Corp | エレベータの制振装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3041491A1 (de) * | 1980-11-04 | 1982-05-13 | Elb-Schliff Edmund Lang, 6113 Babenhausen | Steuerung fuer den hydraulischen antrieb des werkstuecktisches einer flachschleifmaschine |
JPH09151064A (ja) * | 1995-12-04 | 1997-06-10 | Otis Elevator Co | ロープ式エレベーター |
SG89424A1 (en) * | 2000-10-23 | 2002-06-18 | Inventio Ag | Method and system for compensating vibrations in elevator cars |
JP2002356287A (ja) * | 2001-05-31 | 2002-12-10 | Mitsubishi Electric Corp | エレベータの制振装置 |
JP2003112862A (ja) * | 2001-10-04 | 2003-04-18 | Toshiba Elevator Co Ltd | エレベータ振動監視装置 |
-
2004
- 2004-04-06 JP JP2004111943A patent/JP4868712B2/ja not_active Expired - Fee Related
-
2005
- 2005-04-05 WO PCT/JP2005/006666 patent/WO2005097655A1/ja not_active Application Discontinuation
- 2005-04-05 EP EP05728716A patent/EP1739047A4/en not_active Withdrawn
- 2005-04-05 CN CNA2005800102324A patent/CN1938214A/zh active Pending
- 2005-04-06 TW TW94110903A patent/TWI290532B/zh not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09110341A (ja) * | 1995-10-23 | 1997-04-28 | Toshiba Corp | エレベータかご室の制振装置 |
JPH11116166A (ja) * | 1997-10-15 | 1999-04-27 | Toshiba Corp | エレベータの制振装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1739047A4 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2098473A1 (en) * | 2006-12-13 | 2009-09-09 | Mitsubishi Electric Corporation | Elevator device |
EP2098473A4 (en) * | 2006-12-13 | 2013-05-08 | Mitsubishi Electric Corp | ELEVATOR DEVICE |
CN105347143A (zh) * | 2015-11-27 | 2016-02-24 | 东南电梯股份有限公司 | 一种无导轨液压升降平台及升降方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2005298071A (ja) | 2005-10-27 |
JP4868712B2 (ja) | 2012-02-01 |
TWI290532B (en) | 2007-12-01 |
TW200604086A (en) | 2006-02-01 |
CN1938214A (zh) | 2007-03-28 |
EP1739047A1 (en) | 2007-01-03 |
EP1739047A4 (en) | 2008-07-23 |
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