CN101172551B - Elevator equipment - Google Patents
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- CN101172551B CN101172551B CN2007101399644A CN200710139964A CN101172551B CN 101172551 B CN101172551 B CN 101172551B CN 2007101399644 A CN2007101399644 A CN 2007101399644A CN 200710139964 A CN200710139964 A CN 200710139964A CN 101172551 B CN101172551 B CN 101172551B
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Abstract
The invention provides an elevator device which can detect the shaking of such length components as a main suspension rope, etc. with a high accuracy during an earthquake, and then controls the operation of the elevator. In the elevator device, according to the building shaking signal detected by a vibration gauge (5) arranged in a building or an elevation channel (20), a control is exerted to the elevator during the earthquake or the strong wind, wherein, the length components such as the main suspension rope, etc. arranged in the elevation channel (20) is provided with at least one natural period. The shaking response value of the length components in the natural period is calculated according to the shaking signal, and the control command is sent according to the calculation result.
Description
Technical field
The present invention relates to a kind of lift facility that when building shakes because of earthquake, carries out the control operation.
Background technology
When earthquake took place, P ripple (longitudinal wave) and propagation speed be slowly but the S ripple (lateral wave) that presents the earthquake main motion propagates into building from focus respectively faster for propagation speed.As technology formerly, in following non-patent literature 1 a kind of scheme is disclosed for example, its acceleration levels with the horizontal direction of the detected S ripple of building device for detecting rock is categorized into by special inferior grade, inferior grade and the high-grade threshold levels that constitutes, and control operation when carrying out the earthquake of elevator with this.Before the building that the main motion because of the S ripple produces rocks change greatly, special low-grade acceleration/accel by the detection level direction, perhaps by carrying out in the bottom of building and can detecting the P ripple initial stage fine motion detection that earthquake arrives in Zao several seconds than S ripple, elevator is suspended, carry out the control operation with this.
In addition, be subjected to the influence of focus earthquake far away, the long period earthquake takes place easily at the region of no relief with accumulation horizon, when the long period earthquake takes place, though building to rock acceleration/accel less, but, the top of building rocks because can producing, so the main hoist cable of elevator, speed controller rope and (following these parts are referred to as " the long yardstick parts ") such as cables used to the cable and the signal communication of lift car power supply are easy to generate and rock, these isometric yardstick parts rock in hoist trunk significantly, can be with other equipment come in contact and cause device damage.Below, abbreviate rocking of this kind building as " building rocks ", building is rocked the rocking of long yardstick parts that causes be called " long yardstick parts rock ", and when these degree of rocking of expression, represent with " building rolling momentum " and " long yardstick parts rolling momentum ".
The acceleration levels that building during the long period earthquake rocks is low, if improve the acceleration detection sensitivity that building rocks in order to detect the low acceleration/accel of this grade, then elevator may produce misoperation because of the reason noise vibrations in addition that directly cause long yardstick parts to rock, thereby carries out unnecessary control operation.Therefore, in order to reduce this kind misoperation, for example disclose a kind of control operating method in the conventional art shown in patent documentation 1 and the patent documentation 2, its quantity of state by the speed, displacement or the speed that detect the building that is close with long yardstick parts vibrating state amount as far as possible and rock and the product of displacement etc. carries out control and moves.
Patent documentation 1: the patent of invention spy of Japan open clear 60-No. 15382 communiques ( claim 1 and 2, Fig. 2)
Patent documentation 2: the patent of invention spy of Japan open clear 60-No. 197576 communiques (claim 1, Fig. 8)
Non-patent literature 1: 94～100 pages of second one of version in 2002 " explanation of elevator technology standard " that Ministry of Land, Infrastructure and Transport dwelling house office building guidance class, Foundation's Japanese architecture equipment and elevator center and Corporation Japan elevator association edit.
As implied above, in described conventional art, though the quantity of state of acceleration/accel, speed, displacement or the speed of building and the product of displacement etc. has carried out the control operation during by the detection earthquake, these conventional arts do not carry out the control operation according to the quantity of state that directly causes long yardstick parts to rock.
And, make skyscraper produce the long period earthquake of rocking easily, it is a kind of earthquake that in the process that the remote earthquake in focus ground is propagated in the Plain part that is made of accumulation horizon in Plain, the similar Northeast etc., takes place, because the general apart from each other of its focus, reach 150～200 kilometers, so the P ripple is very faint.
Its result, exist P ripple initial stage fine motion control can't bring into play its function, when elevator travels, long yardstick parts can come in contact with the machinery and equipment in the hoist trunk and produce problems such as passive safety, if take place and when improving the P wave detection sensitivity, then exist the elevator can be because of in-plant small-scale earthquake or the problem that enters meaningless suspended state with the irrelevant noise vibrations of earthquake for fear of this kind situation.And, the speed of rocking according to building, when the quantity of state of the product of displacement or speed and displacement etc. is judged rocking of long yardstick parts indirectly, owing to can't understand state variation such as increase degree that long yardstick parts rock and degree of damping one by one, does so also there is the problem that can not make correct judgement to following situation: (1) allow that reducing command speed runs slowly? (2) make elevator temporarily enter suspended state? (3) whether can make the elevator operation of taking refuge, rocking the position that can not increase significantly and make elevator move to long yardstick parts, can promptly long yardstick parts do not rock or not the position that produces resonance with building? perhaps (4) degree of damping that can't rock according to long yardstick parts etc. is reasonably determined the control operation releasing time of elevator etc.
For example, because of the building in the long period seismic motion rocks increase degree that the long yardstick parts that cause rock and degree of damping etc. to a great extent by the rolling flowing mode of building with rock lasting degree decision, so, the speed that only relies on building to rock, the quantity of state of the product of displacement or speed and displacement etc., then can't judge increase degree and degree of damping that long yardstick parts rock, therefore taked following control operation, promptly when judging that rocking has appearred in long yardstick parts, estimating that long yardstick parts rock greatly stopped in 3～5 minutes, and made the elevator stagnation of movement in this time period.
Summary of the invention
The object of the present invention is to provide a kind of lift facility, it can carry out high-precision control operation, thereby can solve existing problem in the above-mentioned technology formerly.
To achieve these goals, lift facility of the present invention is constituted as according to the detected building of vibrations instrument that is arranged in building or the hoist trunk and rocks signal, elevator control when carrying out earthquake or high wind, wherein, at long at least one natural period of yardstick component settings that is arranged in the described hoist trunk, and rock response according to the described described long yardstick parts of calculated signals that rock in this natural period, described long yardstick parts are main hoist cables of elevator, speed controller rope, the cable of using to the cable and the signal communication of lift car power supply, and the parts more than any in the balance hoist cable that the weight difference of the described main hoist cable of lift car side and counterbalanced weight side is compensated.
The invention effect
According to the present invention, a kind of lift facility can be provided, when it can detect earthquake accurately or the rocking of the long yardstick parts during high wind, and carry out the control operation in view of the above.
Description of drawings
Fig. 1 is the structural representation of the lift facility in the expression embodiment of the invention;
Fig. 2 is the constructional drawing that the long yardstick parts in the expression embodiment of the invention rock arithmetic section;
Fig. 3 is the scheme drawing of the interior signal processing flow of arithmetic section in the expression embodiment of the invention;
Fig. 4 is based on long yardstick parts and rocks the threshold value of the embodiment of the invention of instruction diagram and the scheme drawing of establishing method thereof.
Nomenclature
1 lift car
2 counterbalanceds weight
3 control panels
4 winchs
5 vibrations instrument
6 governors
7 main hoist cables
8 speed controller ropes
9 balance hoist cables
10 stern fasts
20 hoist trunks
21 Machine Rooms
22 supports
23 elevators hole
30 arithmetic sections
31,32 filters
33X, the output signal of 33Y filter
34X, 34Y, 35X, 35Y, 36X, 36Y rolling dynamic response arithmetic section
37,38,39 rock the compose operation part
40 rock the judgment part
41,44 signal wire (SW)s
42 horizontal direction acceleration/accel compose operation parts
43 buildings rock the judgment part
46 three-dimensional acceleration compose operation parts
50 horizontal planes
51 vibrating locus
52 judge the zone
The specific embodiment
Following with reference to the description of drawings embodiments of the invention.
Fig. 1 is the structure example diagrammatic sketch of the related lift facility of expression embodiments of the invention.The lift facility of present embodiment is constituted as its lift car 1 and counterbalanced weight 2 etc. along not shown lifting rail.Wherein, lift car 1 and counterbalanced weight 2 are hung as the bucket type shape by main hoist cable 7, and are driven by the winch in the Machine Room 21 that is arranged on hoist trunk 20 tops 4.In Machine Room 21, be provided with control panel 3 and governor 6 and vibrations instrument 5, be wound with speed controller rope 8 on the governor 6.And, observe from the elevator pusher side, also be provided with the balance hoist cable 9 that the weight difference to the main hoist cable 7 of lift car 1 side and counterbalanced weight 2 sides compensates.In addition, also be provided with the stern fast 10 that is used for lift car 1 power supply.So, in hoist trunk 20, be provided with main hoist cable 7, speed controller rope 8, balance hoist cable 9 and stern fast 10 isometric yardstick parts.And, in hoist trunk 20, also be provided with the support 22 that is used for supporting guide and elevator lifting channel inner machine equipment etc.
Be used to detect the vibrations instrument 5 that building rocks and have the function that detects mutually orthogonal horizontal direction (x, y direction) acceleration/accel, in the storage case of vibrations instrument 5, have arithmetic section 30.And, described arithmetic section 30 has control operation arbitration functions, it is according to vibrations instrument 5 detected x, the acceleration signal of y direction calculates the rolling momentum of long yardstick parts, and rolling momentum and predetermined threshold value that will long yardstick parts compare, by control panel 3 control elevators, to carry out the control operation.Wherein, arithmetic section 30 also can be installed in the control panel 3 as the case may be.
The calculation process of described arithmetic section 30, consider the stability of processing and for convenience preset parameters change, adopted the digital processing mode, but also can adopt the analog processing mode.
Fig. 2 is the structure instruction diagram of arithmetic section 30.Arithmetic section 30 has the x that is used for from vibrations instrument 5, remove high-pass filter 31 (the x direction: 31X of the dc shift component that the gravitational acceleration component that causes of levelness installation error and acceleration pick-up body because of vibrations instrument 5 had in the detection signal of y direction, y direction: 31Y) and the low-pass filter 32 (x direction: 32X, the y direction: 32Y) that are used for removing denoising vibrations component.
In rocking judgment part 40, threshold value is arranged to a plurality of stages, can be according to its grade, judge the restriction of running velocity, the time-out of operation, the recovery after maintainer's safety inspection, perhaps judge the degree of damping that long yardstick parts rock, to remove the elevator control operation of carrying out at rocking of long yardstick parts.
The signal that rocks judgment part 43 according to building shown in Figure 2 judge building to rock control and the conventional art shown in the non-patent literature 1 that acceleration/accel carries out basic identical, but in non-patent literature 1, owing to can not be directly carry out control according to the rolling momentum of long yardstick parts, so when the setting building rocks the acceleration rate threshold of judgment part 43, not that acceleration levels allowed on the structural strength according to elevator is set, but along with depth of building raises, dwindle the setting value of acceleration rate threshold gradually, relax degree when being damaged with this.And in the present embodiment, owing to can rock control by rocking judgment part 40 long yardstick parts, so when the setting building rocks the acceleration rate threshold of judgment part 43, can set high acceleration rate threshold, promptly, the threshold value (about 100～150Gal) that is set the proof strength with the structure of elevator and mechanism to adapt thus, can avoid carrying out unnecessary acceleration/accel control when the few in-plant small-scale earthquake of long period component takes place.
Explanation is according to the output signal 33X of the filter in the arithmetic section 30 32 in Fig. 3, and the long yardstick parts of 33Y rock the treatment scheme of computing.
34X represents to use the output signal 33X of filter 32,33Y, calculate the arithmetic section of x directional response with natural period Ta, 34Y represents y directional response arithmetic section, 35X represents to calculate with natural period Tb the arithmetic section of x directional response, 35Y represents y directional response arithmetic section, and 36X represents to calculate with natural period Tc the arithmetic section of x directional response, and 36Y represents y directional response arithmetic section.37,38,39 expressions are to the x of each these natural perioies, and the rocking of y direction synthesized rocks the compose operation part, and has represented computing signal waveform example at each position.
Be example with main hoist cable 7 in Fig. 4, the three dimensional pattern figure when adopting long yardstick parts to rock describes calculation function and the control operation arbitration functions that arithmetic section 30 has concurrently.
Vibrating locus on 51 two-dimensional surfaces that are illustrated in the bigger roughly horizontal plane on midway location 50 of the amplitude of the main hoist cable 7 that rocks with three dimensional constitution, 34X, 35X, 36X represents each natural period Ta, Tb, the projection components towards X-axis of the vibrating locus 51 of Tc is carried out the x direction rolling dynamic response arithmetic section of the long yardstick parts of computing, 34Y, 35Y, 36Y represent the y direction rolling dynamic response arithmetic section to the long yardstick parts that carry out computing towards the projection components of Y-axis.Thus, rock the x that can carry out in the compose operation part 37,38,39 in the horizontal plane 50, the compose operation of y direction component what the long yardstick parts in each cycle rocked.
Following casehistory rocks the control of rocking of computing based on the long yardstick parts of present embodiment.(α＜β＜γ＜δ) as the threshold value of rocking judgment part 40, the embodiment that rocks control with the rolling momentum according to long yardstick parts describes for ratio α %, the β %, γ % and the δ % that rock limit size L that come in contact at support 22 grades with respect to main hoist cable 7 with the rolling momentum of long yardstick parts shown in Figure 4.
It is in service to rock control at long yardstick parts, make and rock judgment part 40 and have control operation arbitration functions, so that carry out the control operational mode of following mode: when the rate of rocking of long yardstick parts surpasses β %, (this control operation is under the state of main sling shaking in the forced call control operation of running slowly or carrying out when top, if it is top that lift car directly drives to, then lift car produces unusual vibrations sometimes, so one deck produces virtual call by operating software before top, make the interim operational mode of stopping of elevator) etc. the operation controlled operation that travels, when surpassing γ %, operation suspension, when decaying to β % when following, restart the controlled operation that travels, when decaying to α % when following, the operation of decontroling, when surpassing δ %, the maintenance in hoist trunk makes elevator out of service before finishing.So, in the present embodiment, set the threshold value of a plurality of grades, and carry out the different control operation of content, so, also can suitably make the elevator operation even under the situation that earthquake has taken place according to each grade.
In the above description, the threshold value of rocking judgment part 40 is configured to the mono-scale, but also can judge x by judgement zone 52 shown in Figure 4 is set, and whether the response coordinate figure of y direction has surpassed should the zone.
Below the long yardstick parts of explanation rock RESPONSE CALCULATION.When using the vibrations model to calculate the rolling dynamic response of long yardstick parts, at first need to set the natural period of long yardstick parts.; the natural period of these long yardstick parts is because of the length and the tension force of long yardstick parts; just the position of lift car and counterbalanced weight etc. and quality etc. is different and different; so; natural period for the long yardstick parts of setting each time point must carry out the reception processing and the computing of the information such as position of described lift car at any time.For this reason, in order to improve the processing speed of arithmetic section 30, avoid its structure to become complicated, can adopt the information of the position of not using described lift car etc., and by setting the method for calculating that the natural period that causes long yardstick parts to shake easily calculates long yardstick parts rolling dynamic response.Below this method is described.
It is along with the building that is caused by long period earthquake or high wind rocks and rocking of producing that long yardstick parts rock, and the major cycle component that is comprised during this building rocks is a natural period T of the cycle building of building top when rocking maximum
0(second).Therefore, it is generally acknowledged that long yardstick parts are at its natural period that rocks during near natural period of building, rock with building and produce resonance, and produce rocking of rolling momentum maximum.For example, when the position of lift car is near the bottom floor of building, the natural period of the main hoist cable 7 of lift car side is easily near a natural period of building, and during near the floor lift car is positioned in the middle of the building, tension force less than the natural period of the speed controller rope 8 of main hoist cable 7 and balance hoist cable 9 easily near a natural period of building.Therefore, use is with natural period of building or the value close with this natural period vibrations model as long yardstick parts natural period, according to rocking the rolling momentum that signal calculates long yardstick parts by vibrations instrument 5 detected buildings, just can make consideration, thereby can realize safe elevator control operation contingent maximum rolling momentum.
At this, it is relevant with the size of rocking of building that a natural period of building generally has its cycle, and along with elongated characteristic of this cycle of the increase of rocking.Building during the long period earthquake rocks a natural period value of the building of acceleration/accel when the 30Gal left and right sides, than short according to rocking the natural period that rocking more than the acceleration/accel 200Gal carry out design-calculated building shatter-proof when design, and the design value of the natural period of building not necessarily the natural period value with reality is identical.In addition, it is different that each of the short side direction of building and long side direction rocks the building natural period of direction.
That is to say, direction that the natural period value of building is rocked because of building and size different, so, bring harmful effect for fear of predicting for rocking of long yardstick parts because of these changes, preferably adopt various measures with the raising precision of prediction.For example, with the natural perioies of a plurality of values before and after the design value of the design value of the natural period of building and this natural period as long yardstick parts, adopt a plurality of vibrations models to calculate the response of rocking of long yardstick parts, and these are rocked in the response maximum threshold values of rocking response and regulation compare, to judge whether the to carry out control operation, so, can improve safety.In addition, the response data of the building that is observed when using earthquake in the past or high wind by possessing is calculated this learning functionality of building natural period, also can improve the precision of prediction of the rolling momentum of long yardstick parts.
And, as being included in the periodic change of building in rocking, also exist to result from the periodic band of motion of the long period seismic motion that taken place and wind, so preferably the natural period that long yardstick parts are rocked is consistent with these periodic bands and situation that generation is resonated takes in.Especially in skyscraper, may comprise the natural period of building in the period frequency of long period seismic motion.Therefore, can be according to by the natural period Ta that in the periodic band (about for example 2 seconds～20 seconds) of long period seismic motion, sets at interval according to the rules, Tb, Tc ... the a plurality of long yardstick parts that constitute rock the vibrations model and rock prediction, improve and rock the accuracy rate of prediction, and, carry out control with this and move according to the rolling momentum that rocks the long yardstick parts of response prediction of each these models.
In addition, also can consider to adopt following method of calculating, promptly, periodic band from the long period seismic motion, and a plurality of values of the middle selection of the periodic band (about for example 0.2 second～20 seconds) that comprises the whole seismic motion of P ripple and S ripple, and with its natural period, to calculate the response of rocking of long yardstick parts in each natural period as long yardstick parts.And, also can be arranged to, in the scope of the cooresponding natural period of long yardstick part length (stroke) that changes because of the lifting of lift car etc. in participant, select the natural period of a plurality of values, to predict the rolling momentum of described long yardstick parts as long yardstick parts.
Rock at long yardstick parts aspect the attenuation characteristic of vibroseis; though each inscape of long yardstick parts is slightly different; but, then can guarantee to shake the real-time handling property of momentum calculating by adopting the general value to carry out stability Calculation to the rolling momentum of long yardstick parts.
The speed setting that the digital operation of arithmetic section 30 is handled becomes the such speed of all vibration respondings calculating of end in degree of will speed up analog signal conversion becomes sample period (second) of digital signal, and sets the real-time processing speed that the response of being obtained can be carried out in regular turn RESPONSE CALCULATION as the initial value of next calculation procedure for.And the sample period (second) is for example relevant with the shortest natural perioies (second) in predefined many group natural perioies, but needs only roughly about 0.01～0.03 second, just can keep the precision of RESPONSE CALCULATION.
According to said structure, because that can judge each time point rocks the vibrating state of the long yardstick parts that produce because of building, so can be according to the seismic spread far away of focus ground during to region of no relief with accumulation horizon the mode of rocking of the building in the incidental long period seismic motion and the lasting degree of rocking calculate increase degree and the degree of damping that long yardstick parts rock in regular turn, can the long yardstick parts when considering earthquake or high wind rock and carry out high-precision elevator control on the basis of characteristics and move.
In the above-described embodiments, vibrations instrument 5 is arranged in the Machine Room, but so long as can then also can be arranged on the optional position in building and the hoist trunk by the seimic position of detecting of rocking.On being arranged on positions such as hoist trunk bottom and can't directly detect the rocking of long yardstick component upper ends the time, can be by detecting this locational rocking, and predict the rolling momentum of long yardstick parts according to this rolling momentum that rocks the long yardstick component upper ends of prediction.And, in the above description, when long yardstick parts rock calculating, used acceleration transducer signals, but only need change the method for calculating of arithmetic section, just can adopt the calculating of rocking of the long yardstick parts of speed sensor signal.
Claims (9)
1. a lift facility rocks signal according to the detected building of vibrations instrument that is arranged in building or the hoist trunk, when carrying out earthquake or the control of the elevator during high wind, it is characterized in that,
Have arithmetical device, this arithmetical device is to being arranged on long at least one natural period of yardstick component settings in the described hoist trunk, and according to the described response of rocking of rocking described long yardstick parts in this natural period of calculated signals,
The main hoist cable that described long yardstick parts are elevators, speed controller rope, the parts in cable that the cable and the signal communication of lift car power supply are used and balance hoist cable that the weight difference of the described main hoist cable of lift car side and counterbalanced weight side is compensated more than any.
2. lift facility as claimed in claim 1 is characterized in that,
Set the natural period of described long yardstick parts according to the information of the position of lift car that comprises each time point or counterbalanced weight or quality.
3. a lift facility rocks signal according to the detected building of vibrations instrument that is arranged in building or the hoist trunk, when carrying out earthquake or the control of the elevator during high wind, it is characterized in that,
Have arithmetical device and judgment means, this arithmetical device is to being arranged on a plurality of natural perioies of long yardstick component settings in the described hoist trunk, and according to the described response of rocking of rocking described long yardstick parts in each natural period of calculated signals, the maximum in the response of rocking of the described long yardstick parts that this judgment means calculates described arithmetical device is rocked the threshold value of response and regulation and is compared, to judge whether the to carry out control operation
The main hoist cable that described long yardstick parts are elevators, speed controller rope, the parts in cable that the cable and the signal communication of lift car power supply are used and balance hoist cable that the weight difference of the described main hoist cable of lift car side and counterbalanced weight side is compensated more than any.
4. lift facility as claimed in claim 3 is characterized in that,
Described threshold value is configured to a plurality of grades, and the content of control operation is different because of the difference of grade.
5. as claim 1 or 3 described lift facilities, it is characterized in that,
A plurality of values in the periodic band scope of whole seismic motion are set at the natural period of described long yardstick parts, and calculate the response of rocking of described long yardstick parts in each natural period.
6. as claim 1 or 3 described lift facilities, it is characterized in that,
In the periodic band scope of long period seismic motion, with the interval of regulation a plurality of values are set at the natural period of described long yardstick parts, and calculate the response of rocking of described long yardstick parts in each natural period.
7. as claim 1 or 3 described lift facilities, it is characterized in that,
Be set at the natural period of described long yardstick parts with the design value of the natural period of described building and than big a plurality of values of this design value and a plurality of values littler, and calculate the response of rocking of described long yardstick parts in each natural period than this design value.
8. as claim 1 or 3 described lift facilities, it is characterized in that,
The response data of the described building that uses earthquake in the past or observe during high wind is calculated the natural period of described building, and the natural period of this building is calculated the response of rocking of described long yardstick parts as the natural period of described long yardstick parts.
9. the control operating method of an elevator is characterized in that,
The long yardstick parts that are arranged in the hoist trunk are provided with a plurality of natural perioies, and according to rocking signal by the detected building of vibrations instrument that is arranged in building or the hoist trunk, calculate the response of rocking of described long yardstick parts in each natural period, and the threshold value of this result of calculation and regulation compared, to judge whether the to carry out control operation
The main hoist cable that described long yardstick parts are elevators, speed controller rope, the parts in cable that the cable and the signal communication of lift car power supply are used and balance hoist cable that the weight difference of the described main hoist cable of lift car side and counterbalanced weight side is compensated more than any.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006-297257 | 2006-11-01 | ||
| JP2006297257 | 2006-11-01 | ||
| JP2006297257A JP2008114944A (en) | 2006-11-01 | 2006-11-01 | Elevator device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101172551A CN101172551A (en) | 2008-05-07 |
| CN101172551B true CN101172551B (en) | 2011-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101399644A Expired - Fee Related CN101172551B (en) | 2006-11-01 | 2007-08-07 | Elevator equipment |
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| Country | Link |
|---|---|
| JP (1) | JP2008114944A (en) |
| CN (1) | CN101172551B (en) |
| HK (1) | HK1114598A1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7784590B2 (en) * | 2006-03-01 | 2010-08-31 | Mitsubishi Denki Kabushiki Kaisha | Elevator operation control device |
| JP5287316B2 (en) * | 2009-02-10 | 2013-09-11 | フジテック株式会社 | Elevator equipment |
| JP5399879B2 (en) * | 2009-12-11 | 2014-01-29 | 株式会社日立製作所 | Elevator control device |
| JP5269038B2 (en) * | 2010-11-10 | 2013-08-21 | 株式会社日立製作所 | Elevator equipment |
| WO2012117479A1 (en) * | 2011-02-28 | 2012-09-07 | 三菱電機株式会社 | Device for detecting sway of elevator rope |
| JP5973929B2 (en) * | 2013-02-07 | 2016-08-23 | 株式会社日立製作所 | Elevator control operation apparatus and method |
| CN104444710A (en) * | 2014-09-28 | 2015-03-25 | 苏州福沃斯电梯有限公司 | Elevator |
| JP6339256B1 (en) * | 2017-02-28 | 2018-06-06 | 東芝エレベータ株式会社 | Elevator rope run-out detection system |
| WO2021064815A1 (en) * | 2019-09-30 | 2021-04-08 | 三菱電機株式会社 | Building facility vibration measurement device and management system |
| JP7107469B2 (en) * | 2020-07-13 | 2022-07-27 | 三菱電機ビルソリューションズ株式会社 | Elevator stop prediction system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1611438A (en) * | 1998-09-08 | 2005-05-04 | 株式会社东芝 | Apparatus for controlling elevator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0637269B2 (en) * | 1984-11-09 | 1994-05-18 | 株式会社日立製作所 | Elevator control operation device |
| JPS62196287A (en) * | 1986-02-21 | 1987-08-29 | 日立エレベ−タサ−ビス株式会社 | Deflection detector for tail code of elevator |
| JPH1059644A (en) * | 1996-08-19 | 1998-03-03 | Hitachi Building Syst Co Ltd | Elevator abnormality detecting device |
| JP3834449B2 (en) * | 1999-11-05 | 2006-10-18 | 株式会社日立製作所 | Earthquake damage prediction system for elevators |
| JP4252330B2 (en) * | 2003-02-21 | 2009-04-08 | 東芝エレベータ株式会社 | Elevator rope damping device |
-
2006
- 2006-11-01 JP JP2006297257A patent/JP2008114944A/en active Pending
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2007
- 2007-08-07 CN CN2007101399644A patent/CN101172551B/en not_active Expired - Fee Related
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1611438A (en) * | 1998-09-08 | 2005-05-04 | 株式会社东芝 | Apparatus for controlling elevator |
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| Publication number | Publication date |
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| HK1114598A1 (en) | 2008-11-07 |
| JP2008114944A (en) | 2008-05-22 |
| CN101172551A (en) | 2008-05-07 |
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