CN102092613B - Elevator control device - Google Patents

Elevator control device Download PDF

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CN102092613B
CN102092613B CN201010583357.9A CN201010583357A CN102092613B CN 102092613 B CN102092613 B CN 102092613B CN 201010583357 A CN201010583357 A CN 201010583357A CN 102092613 B CN102092613 B CN 102092613B
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long period
signal
rocking
period seismic
grade
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CN102092613A (en
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山下大辅
关根英则
前原知明
会田敬一
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Hitachi Ltd
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Hitachi Ltd
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Abstract

In order to solve the problem that although long-periodic seismic sensor detects shake, an elevator control device can not perform control and operation due to fault of a sensor or hardware poor contact, the elevator control device in the invention is provided with a long-periodic seismic survey unit (2) detecting long-periodic seismic movements and an operation control part (9) used for performing a control operation, the control operation is provided with a plurality of control operation modes (20a-20c) corresponding to a shake grade and with different operation contents. An operation control part performs a control operation according to a control operation mode corresponding to a shake grade detected by the long-periodic seismic survey unit, and when the long-periodic seismic survey unit detected the long-periodic seismic movement, under a condition of judging that faults appear upon the long-periodic seismic survey unit (S36 and S39 are ''no''), performs a control operation according to a control operation mode corresponding to a shake grade higher than the shake grade detected by the long-periodic seismic survey unit.

Description

Elevator control gear
Technical field
The present invention relates to a kind of elevator control gear, especially relate to the elevator control gear of having been controlled when fault has occurred a kind of sensor surveying the long period seismic motion.
Background technology
In the elevator control gear that adopts prior art, when carrying out the control operation because of the long period seismic motion, be to survey the grade of rocking of long period seismic sensor as its control method, and rock grade according to this and carry out the control operation.For example, in patent documentation 1, disclose following proposal,, after detecting building and rocking, made elevator parking arrive nearest floor, and, after confirming to rock end, made elevator return to normal operation.
In addition, known have when carrying out the control operation because of seismic motion, and level of signal is changed to more high-grade signal, with this, carries out the control operation.For example in patent documentation 2, disclose following proposal, be provided with than higher grade of earthquake degree the earthquake degree grade of Bureau of Weather Reports's regulation.
In the prior art, only in the situation that the long period seismic sensor from regular event transmits signal to elevator control gear, the long period seismic sensor can send the signal that rocks of long period seismic motion, receives this elevator control gear that rocks signal and just can carry out the control operation.Its objective is in order to prevent that the long period seismic sensor is when fault has occurred, output is rocked signal and is carried out unnecessary control operation mistakenly.
Explain referring to Fig. 4 the operation sheet that existing elevator control gear has carried out when the long period earthquake has occurred.In explanation, it is prerequisite that the existing elevator control gear of take uses following long period seismic sensor.; this long period seismic sensor is after detecting the long period seismic motion; the size that calculating is rocked; when rocking grade for the small-scale grade; output means to rock the signal that grade is little; rocking grade while being medium-scale grade; exporting two rocks level signal and means to rock the signal that grade is little and mean to rock the medium signal of grade; rocking grade while being extensive grade, exporting three and rock that level signal means to rock signal that grade is little, the medium signal of grade is rocked in expression and the signal that grade is large is rocked in expression.
At first, after the long period earthquake has occurred (S21), elevator control gear is confirmed for meaning that whether regular event signal that the long period seismic sensor normally moved is in ON state (S22).In regular event, signal (while in S22, being "No") when the OFF state, be judged as the long period seismic sensor fault occurred, and elevator control gear makes elevator proceed normal operation (S26).Signal (while in S22, being "Yes") when the ON state in being judged as regular event, elevator control gear judges whether to have inputted and meaned to rock the signal that grade is little (S23) from the long period seismic sensor.When there is no to mean to rock the little signal input of grade (in S23 for "No" time), elevator control gear makes elevator proceed normal operation (S26).
On the other hand, having inputted from the long period seismic sensor while meaning to rock the little signal of grade (S23 for "Yes" time), enter next step and inputted and meaned to rock the medium signal of grade (S24) from the long period seismic sensor judging whether.When there is no to mean to rock the medium signal input of grade (in S24 for "No" time), elevator control gear is rocked the control operation (S27) that grade is little.On the other hand, inputted at the same time in the situation that means to rock grade medium signal (in S24 for "Yes" time), entered next step S25, judged whether to have inputted and meaned to rock the signal that grade is large from the long period seismic sensor.When there is no to mean to rock the large signal input of grade (in S25 for "No" time), elevator control gear rocks the control operation (S28) of grade in carrying out.On the other hand, in the situation that have, mean to rock the signal input that grade is large (while in S25, being "Yes"), enter next step S29, elevator control gear rocks greatly the control operation of grade.
; in the control operation of above-mentioned elevator control gear is controlled; in the fault because of long period seismic sensor self or because of the impact of earthquake etc., make hardware connect to have occurred fault (transmission line is cut off or connects and comes off etc.) etc. former thereby cause regular event in signal during not in the ON state; even in fact the long period earthquake has occurred; elevator control gear still is judged as "No" and enters step S26 in step S22; make elevator continue normal operation, thereby exist elevator control gear can not carry out the problem of control operation.
Patent documentation 1: the open patent 2009-73581 of Japan communique
Patent documentation 2: the clear 62-8986 communique of Japan's open patent
Summary of the invention
The present invention develops in order to solve in esse problem in prior art, the object of the present invention is to provide a kind of elevator control gear, although this elevator control gear can solve the long period seismic sensor, detected to rock because the fault of sensor or hardware bad contact etc. make elevator control gear can not carry out control and move this problem.
In order to address the above problem, elevator control gear of the present invention has long period seismic operations unit and operation control part, described long period seismic operations unit is for surveying the long period seismic motion, described operation control part carries out the control operation according to the signal from described long period seismic operations unit, this elevator control gear is characterised in that, described control operation has the mutually different multiple control operational mode of operation content, described multiple control operational mode is in advance with to rock grade corresponding, make the described higher grade of rocking detected by described long period seismic operations unit, more improve safety, described operation control part carries out the control operation according to the corresponding described control operational mode of grade of rocking detected with described long period seismic operations unit, and while in described long period seismic operations unit, detecting the long period seismic motion, in the situation that be judged as described long period seismic operations unit, fault has occurred, carry out the control operation according to the corresponding described control operational mode of grade of rocking that grade is high of rocking detected than described long period seismic operations unit with grade.
According to the present invention, from long period seismic operations unit, input while detecting the signal (rocking level signal) rocked, no matter whether long period seismic operations unit is normal, all carries out the control operation.Therefore, with the prior art of only when long period seismic operations unit is normal, just carrying out the control operation, compare, improved the safety of elevator.And, in the present invention, when long period seismic operations unit regular event, carry out rocking the corresponding control operation of level signal with it, and the corresponding control of level signal of rocking that grade is high of rocking of carrying out rocking level signal with grade than it when long period seismic operations unit action mal (fault has occurred) moves, so, when the long period seismic motion has occurred, can carry out the elevator control operation of safer (fault secure (fail safe)).And in the present invention, " rocking grade high " and " rocking grade large " means identical implication.
In addition, elevator control gear of the present invention, on the basis of above-mentioned formation, it is characterized in that, described long period seismic operations unit has sensor, rock signal efferent in level signal efferent and regular event, described sensor is for detection of rocking of being caused by the long period seismic motion, the described detection signal of level signal efferent according to described sensor that rock, the seismic motion of judgement long period is to belong on a small scale to rock, medium-scale rocking and any the rocking in rocking on a large scale, and the result of described judgement is outputed to described operation control part as rocking level signal, in described regular event, the signal efferent will be exported to described operation control part in moving normal regular event signal for meaning described long period seismic operations unit itself, described operation control part is according to from described, rocking rocking level signal and carrying out described control operation from signal in the regular event of signal efferent in described regular event of level signal efferent.
According to said structure, can according to " greatly ", " in ", " little " these three kinds rock in level signal and regular event signal and control the control operation, so have advantages of and can simplify control.
In addition, above-mentioned elevator control gear of the present invention, on the basis of above-mentioned formation, it is characterized in that, action in described long period seismic operations unit is in normal situation, in described regular event, the signal efferent is exported signal in described regular event to described operation control part all the time, described operation control part has according to having or not the input of signal in described regular event to judge whether described long period seismic operations unit the fault judging part of fault occurred, in the described level signal of rocking while being input to described operation control part, in the situation that described fault judgement section judges is described long period seismic operations unit, fault has appearred, described operation control part is according to described described control operational mode corresponding to level signal of rocking of rocking the high grade of level signal than inputted, carrying out the control operation.
According to said structure, because basis is carried out the control operation with the higher leveled corresponding control operational mode of grade of rocking, so can avoid causing elevator operating efficiency to descend because too focusing on safety when operation.In addition, in the present invention, as not having signal in regular event to be input to the state of operation control part, refer to specifically because hardware bad contact etc. makes the situation that do not have signal in regular event to be input to the operation control part and makes because fault has occurred in long period seismic operations unit itself situation that does not have signal in regular event to be input to the operation control part.In these cases, the fault judgement section judges is that fault has occurred in long period seismic operations unit.And, in the present invention, for example can send but not receive this situation of answer (answerback) according to transmitted signal and judged that fault has occurred in long period seismic operations unit itself.
(invention effect)
According to the present invention, can detect according to the expression from long period seismic operations unit the grade whether level signal and long period seismic operations unit normally control the control operation of rocking of rocking, so can further carry out safely the elevator operation, can prevent that the infringement of long period seismic motion from enlarging.
The accompanying drawing explanation
Fig. 1 means the structural representation of the elevator of having applied the related elevator control gear of embodiments of the present invention.
Fig. 2 is the diagram of block that the elevator control gear related to embodiments of the present invention is elaborated.
Fig. 3 is the diagram of circuit of the control operation of the related elevator control gear of embodiments of the present invention.
Fig. 4 is the diagram of circuit of the control operation of existing elevator control gear.
Description of reference numerals
1 elevator control gear
2 long period seismic motion detection sections (long period seismic operations unit)
3 lift cars
4 winchs
5 counterbalanceds weight
6 hoist cables
7 Machine Rooms
8 hoist trunks
9 operation control parts
10 normal operation control parts
11 long period seismic motion control operation control parts
13 acceleration pick-ups (sensor)
14 rock the level signal efferent
Signal efferent in 15 regular events
16 sensor fault judging parts (fault judging part)
20a rocks greatly level model (control operational mode)
Rock level model (control operational mode) in 20b
The little level model (control operational mode) that rocks of 20c
The specific embodiment
The elevator control gear related to embodiments of the present invention referring to Fig. 1 to Fig. 4 describes.Fig. 1 has meaned to apply the structural representation of the elevator of the related elevator control gear of embodiments of the present invention.In Fig. 1,1 means elevator control gear, 2 mean the long period seismic operations section of rocking caused because of the long period seismic motion for surveying, 3 mean the lift car of passenger-carrying, 4 mean the winch that lift car 3 is carried out to traction, 5 mean counterbalanced weight, 6 mean to be wound on the rope sheave of winch 4 for driving the hoist cable of lift car 3 and counterbalanced weight 5,7 mean for the Machine Room of elevator control gear 1, long period seismic operations section 2 and winch 4 is set, 8 mean the hoist trunk for 3 liftings of elevator car, and 9 mean to control the operation control part of elevator operation.
Fig. 2 is the diagram of block of the related elevator control gear of embodiments of the present invention 1.As shown in Figure 2, elevator control gear 1 has for surveying the long period seismic operations section 2 of rocking (long period seismic operations unit) caused because of the long period seismic motion and the operation control part 9 moved for controlling elevator.
Long period seismic operations section 2 is by the acceleration pick-up rocked (sensor) 13 for detection of causing because of the long period seismic motion, judge the grade of rocking and this judged result is outputed to rocking level signal efferent 14 and meaning that to 9 outputs of operation control part in the regular event of signal in the normal regular event of acceleration pick-ups 13 action, signal efferent 15 forms of operation control part 9 as rocking level signal according to the detection signal of acceleration pick-up 13.
Rock level signal efferent 14 and calculate according to the detection signal of acceleration pick-up 13 size of rocking caused because of the long period seismic motion, and export the rock level signal corresponding with the scale of rocking to operation control part 9.Specifically, also do not have greatly to need to carry out the degree of control operation the time rocking, rock level signal efferent 14 and to operation control part 9, do not export and do not rock level signal.On the other hand, detected, rock greatly to need to carry out the degree of control operation the time, rock level signal efferent 14 and export the as described below level signal of rocking.That is to say, rocking level signal efferent 14 is being judged as while because of rocking of causing of long period seismic motion, being small-scale rocking, mean to rock to 9 outputs of operation control part the signal that grade is little, be judged as while because of rocking of causing of long period seismic motion, being medium scale rocking, export two to operation control part 9 rocks level signal and means to rock the signal that grade is little and mean to rock the medium signal of grade simultaneously, be judged as because of rocking of causing of long period seismic motion be while rocking on a large scale, export three to operation control part 9 rocks level signal and means to rock the signal that grade is little simultaneously, the medium signal of grade is rocked in expression and the signal that grade is large is rocked in expression.
In regular event, signal efferent 15 is for when long period seismic operations section 2 regular event, always to 9 outputs of operation control part for meaning the normal regular event signal of long period seismic operations section 2 action.
The normal operation control part 10 that operation control part 9 is controlled the operation of elevator while by the passenger general, normally using elevator, when the long period seismic motion has occurred, elevator carried out to the long period seismic motion control operation control part 11 of control operation and judge whether long period seismic operations section 2 the sensor fault judging part of fault (fault judging part) 16 formations have occurred.Wherein, following three kinds of control operational modes have been set in advance in long period seismic motion control operation control part 11.
That is to say, as the control operational mode in present embodiment, have with mean to rock signal that grade is large corresponding rock greatly level model 20a, with mean to rock the medium signal of grade corresponding in rock level model 20b and rock with expression little these three kinds of control operational modes of level model 20c of rocking that signal that grade is little is corresponding.The operation content of these three kinds of control operational modes is differing from each other.Specifically, rock greatly level model 20a and be that elevator parking is arrived after nearest floor is out of service, overhauled by technical personnel afterwards and confirm just to make elevator to restart the control operational mode of operation.In to rock level model 20b be that elevator parking is arrived after nearest floor is out of service, and after rocking end, make elevator recover the control operational mode of normal operation.The little level model 20c that rocks makes elevator parking make elevator carry out limiting operation after destination floor, and after rocking end, makes elevator recover the control operational mode of normal operation.
Signal is not from regular event during signal efferent 15 input in there is no regular event for sensor fault judging part 16, and the action that is judged as long period seismic operations section 2 has occurred extremely.Wherein, do not have the signal situation that signal efferent 15 is inputted from regular event in regular event roughly to comprise that (1) do not export the situation of signal in regular event, (2) although exported signal regular event from long period seismic operations section 2 because fault has occurred in long period seismic operations section 2, because transmission line is cut off or bad contact etc. has occurred, make signal in regular event can't be sent to the situation of operation control part 9.Generally speaking, when in there is no regular event, signal signal efferent 15 from regular event is input to operation control part 9, sensor fault judging part 16 is judged as long period seismic operations section 2 and has occurred extremely.
Referring to Fig. 3 explanation control that related elevator control gear 1 carries out the elevator operation by embodiments of the present invention, process.At first, after the long period earthquake has occurred (S31), the operation control part 9 of elevator control gear 1 has judged whether to input and has meaned to rock the signal that grade is little (S32).When input not means to rock the little signal of grade (in S32 for "No" time), normally move control part 10 and make elevator proceed normal operation (S35).On the other hand, having while meaning to rock the little signal input of grade, judging whether to input and mean to rock the medium signal of grade (S33).
When there is no to mean to rock the medium signal input of grade (in S33 for "No" time), sensor fault judging part 16 judge in regular event whether in ON state (whether having signal in regular event to input) (S36) signal.Signal (while in S36, being "Yes") when the ON state in being judged as regular event, in normal condition, so moving control part 11, long period seismic motion control carries out control operation (S37) according to the little level model 20c that rocks due to long period seismic operations section 2.On the other hand, signal (while in S36, being "No") when the OFF state in being judged as regular event, sensor fault judging part 16 is judged as long period seismic operations section 2 and fault occurred, and long period seismic motion control operation control part 11 is according to than the little higher leveled pattern of level model 20c of rocking, rocking level model 20b and carry out control operation (S38).
Below turning back to S33 describes.Have mean to rock the medium signal of grade be input to operation control part 9 in the time (in S33 for "Yes" time), judge whether to mean to rock the signal input (S34) that grade is large.When there is no to mean to rock the large signal input of grade (in S34 for "No" time), sensor fault judging part 16 confirms in regular events whether in ON state (whether signal input in regular event is arranged) (S39) signal.Signal (while in S39, being "Yes") when the ON state in being judged as regular event, in normal condition, so rock level model 20b in long period seismic motion control operation control part 11 bases, carry out control operation (S40) due to long period seismic operations section 2.On the other hand, signal (while in S39, being "No") when the OFF state in being judged as regular event, sensor fault judging part 16 is judged as long period seismic operations section 2 and fault occurred, long period seismic motion control operation control part 11 according to than in rock the higher leveled pattern of level model 20b and rock greatly level model 20a and carry out control operation (S41).
In addition, have mean to rock signal that grade is large be input to operation control part 9 in the time (in S34 for "Yes" time), long period seismic motion control operation control part 11 rocks greatly level model 20a according to corresponding with rocking greatly grade in advance pattern and carries out control operation (S42).
As mentioned above, according to the elevator control gear 1 of present embodiment, when long period seismic operations section 2 regular event, can carry out the control operation according to the level signal of rocking from 2 outputs of long period seismic operations section.In addition, in the action of long period seismic operations section 2, occurred when abnormal, the confidence level of the signal of being exported by long period seismic operations section 2 is worth suspecting, in the present embodiment, owing to carrying out the control operation according to higher leveled control operational mode corresponding to level signal of rocking of level signal of rocking with than being input to operation control part 9, so, even also can be safer when the long period seismic motion has occurred carry out the operation of elevator.Therefore, according to present embodiment, contribute to prevent to enlarge because disaster causes infringement.In addition, because basis is carried out the control operation with higher leveled control operational mode corresponding to level signal of rocking, so also can avoid causing the operating efficiency of elevator to descend because carrying out the too high control operation of safe class.
In addition, in the action of long period seismic operations section 2, occurred when abnormal, this may be the abnormal of the hardware bad contact that is cut off etc. of the signal wire (SW) of long period seismic operations section 2 extremely.For example, at long period seismic sensor 2, having exported while meaning to rock the medium signal of grade, do not returned as acknowledge signal if having expression to rock the medium signal of grade, may be that broken string has occurred.When this situation has occurred, the sensor fault judging part 16 of present embodiment is judged as YES long period seismic motion detection section 2 fault has occurred, and carry out the control operation according to higher leveled control operational mode corresponding to level signal of rocking of level signal of rocking with than being input to operation control part 9, so can guarantee high security.
In addition, in the above-described embodiment, take long period seismic motion detection section 2 by acceleration pick-up 13, rock situation that in level signal efferent 14 and regular event, signal efferent 15 forms and be illustrated as example, but long period seismic motion detection section 2 can certainly not adopt said structure and adopts the structure that signal efferent 15 forms in acceleration pick-up 13 and regular event, and also can adopt will rock level signal efferent 14 be arranged on the operation control part 9 structure.

Claims (2)

1. an elevator control gear, it has long period seismic operations unit and operation control part, described long period seismic operations unit is for surveying the long period seismic motion, described operation control part carries out the control operation according to the signal from described long period seismic operations unit, and described elevator control gear is characterised in that:
Described control operation has the mutually different multiple control operational mode of operation content, and described multiple control operational mode with to rock grade corresponding, makes the described higher grade of rocking detected by described long period seismic operations unit in advance, more improves safety,
Described operation control part carries out the control operation according to the corresponding described control operational mode of grade of rocking detected with described long period seismic operations unit, and while in described long period seismic operations unit, detecting the long period seismic motion, in the situation that be judged as described long period seismic operations unit, fault has occurred, carry out the control operation according to the higher leveled corresponding described control operational mode of grade of rocking of grade of rocking detected than described long period seismic operations unit with grade
Described long period seismic operations unit has acceleration pick-up, rock signal efferent in level signal efferent and regular event, described acceleration pick-up is for detection of rocking of being caused by the long period seismic motion, the described detection signal of level signal efferent according to described acceleration pick-up that rock, the seismic motion of judgement long period is to belong on a small scale to rock, medium-scale rocking and any the rocking in rocking on a large scale, and the result of described judgement is outputed to described operation control part as rocking level signal, in described regular event, the signal efferent will be exported to described operation control part in moving normal regular event signal for meaning described long period seismic operations unit itself,
Described operation control part is according to from described, rocking rocking level signal and carrying out described control operation from signal in the regular event of signal efferent in described regular event of level signal efferent,
And, described operation control part possesses the fault judging part, this fault judging part in the situation that due to described long period seismic operations unit self occurred the cut-out of fault or transmission line or bad contact there is no regular event in signal signal efferent input from described regular event, the action that is judged as described long period seismic operations unit has occurred extremely.
2. elevator control gear as claimed in claim 1, is characterized in that,
Action in described long period seismic operations unit is in normal situation, and in described regular event, the signal efferent is exported signal in described regular event to described operation control part all the time,
Described operation control part has according to having or not the input of signal in described regular event to judge whether described long period seismic operations unit the fault judging part of fault occurred, the described level signal of rocking is being arranged while being input to described operation control part, and fault occurred in the situation that described fault judgement section judges is described long period seismic operations unit, described operation control part carries out the control operation according to grade, comparing the inputted described corresponding described control operational mode of level signal of rocking of rocking the high grade of level signal.
CN201010583357.9A 2009-12-11 2010-12-03 Elevator control device Active CN102092613B (en)

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JP2009281604A JP5399879B2 (en) 2009-12-11 2009-12-11 Elevator control device

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