CN101269769A - Detection system for elevator - Google Patents
Detection system for elevator Download PDFInfo
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- CN101269769A CN101269769A CNA200810086775XA CN200810086775A CN101269769A CN 101269769 A CN101269769 A CN 101269769A CN A200810086775X A CNA200810086775X A CN A200810086775XA CN 200810086775 A CN200810086775 A CN 200810086775A CN 101269769 A CN101269769 A CN 101269769A
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- 238000001514 detection method Methods 0.000 title 1
- 230000009471 action Effects 0.000 claims abstract description 143
- 238000012544 monitoring process Methods 0.000 claims abstract description 56
- 238000007689 inspection Methods 0.000 claims description 26
- 238000003745 diagnosis Methods 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 21
- 238000013480 data collection Methods 0.000 claims description 20
- 230000015556 catabolic process Effects 0.000 claims description 4
- 238000006731 degradation reaction Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000002224 dissection Methods 0.000 description 8
- 241001269238 Data Species 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005755 formation reaction Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000006399 behavior Effects 0.000 description 2
- 230000008034 disappearance Effects 0.000 description 2
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- 230000002547 anomalous effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The diagnosing system of an elevator in the invention has a diagnosing device (5) for diagnosing the potions of the elevator (4), a monitoring center (6) for monitoring the elevator (4) remotely according to the diagnosing result of the diagnosing device (5). In addition, the diagnosing device (5) collects the action data of each monitoring items of the potions (device, component) while the normal operation in the appointed collecting period; the invention uses the forecasting mode (29) to predict the period which can not be used by the monitoring items according to the collected action data of the monitoring items. Further, the invention transmits the collected action data to the monitoring center (6). In addition, the monitoring center (6) makes the forecasting mode (29) based on the diagnosing device and transmits it to the diagnosing device.
Description
Technical field
The present invention relates to automatically carry out the diagnostic system of the diagnotic elevator of elevator.
Background technology
In recent years, high-rise building, high-rise apartment building etc. constantly increase, and the elevator of being installed in these buildings is being born important effect as the longitudinal transport instrument in this building.Therefore, in case Lift out of order etc., the elevator user just can not use this elevator, and this elevator has brought very big trouble to the elevator user like this.Therefore, for the maintenance management company of this elevator, regularly to elevator be provided with the place send service personnel, by the state of service personnel diagnosis elevator, fault is prevented trouble before it happens is very important.
In " management system of elevator " that No. 3016933 communique of Japanese Patent put down in writing, as shown in figure 12, on each elevator 1, be connected with the elevator control gear 2 that the operation of this elevator 1 is controlled.Each elevator control gear 2 is connected with management department's (central monitoring position) 3 by for example communication line.
Each elevator control gear 2 often transmits the operating data of the elevator 1 of self to management department's (central monitoring position) 3.In addition, each elevator control gear 2 is checked elevator unusual of self according to the operating data of the elevator 1 of self.Each elevator control gear 2 sends the unusual project of checking out to management department 3.
In the lift management system that constitutes like this, judge in the elevator 1 that in control board for elevator 2 sides of elevator 1 trouble free is arranged, in the life-span of management department's (central monitoring position) 3 lateral roots according to these equipment of judgement such as action frequency of each equipment of elevator 1.
Therefore, can utilize management department's (central monitoring position) 3 to grasp the state of each elevator 1, the burden in the time of can alleviating service personnel to the touring periodic inspection of each elevator 1.Further, because known the position that safeguard in advance, so service personnel can be implemented rapid and appropriate maintenance at each elevator 1 by management department's (central monitoring position).
For the fault of each equipment that will constitute elevator prevents trouble before it happens, must the correct state of holding each equipment, catch the state variation of each equipment as early as possible.
But, in above-mentioned as shown in figure 12 " lift management system ",, have the problem that can not predict time of failure though can hold by between the determined stage of replacement in the life-span of equipment and check out of order having or not.
In this management system, be judged as unusual if the data of collecting surpass threshold value.But, have following problem:, also just increased the burden of service personnel if the threshold value that reduces to judge exceedingly checks out then that unusually the result is the situation inaction increase that service personnel is optionally sent elevator to; On the contrary, if increase the threshold value of judging, then fault can not be prevented trouble before it happens.
Summary of the invention
The present invention, in view of such situation is invented, its purpose is to provide a kind of diagnostic system of elevator, can analyze the current state of each several part (each equipment) of the monitored object of elevator and early prediction to time that fault takes place, also having under the situation more than needed from time of failure, can when going the rounds periodic inspection next time, solve, fault can be prevented trouble before it happens, and can do one's utmost to suppress the outside the plan of service personnel and send.
The diagnostic system of elevator of the present invention possesses: near elevator arrangement, the state of the each several part that constitutes this elevator is carried out diagnotic diagnostic device; With the central monitoring position that described elevator is carried out telemonitoring away from described elevator arrangement, according to the diagnostic result that sends from diagnostic device.
And, in order to address the above problem, in the diagnostic system of elevator of the present invention, described diagnostic device, have: the action data collection unit, its collection cycle by appointment is collected the action data of each monitor item of the described each several part of described elevator when moving usually; Diagnosis portion, it uses prediction type according to the action data of each monitor item of being collected by this action data collection unit, prediction and the corresponding each several part of each monitor item can not the use age, as diagnostic result; With collection data sending part, it is pressed assigned data and sends the cycle sends action data from each monitor item of being collected by described action data collection unit to described central monitoring position.In addition, described central monitoring position has prediction type preparing department, and this prediction type preparing department makes described prediction type based on the action data that sends from described diagnostic device and sends to described diagnostic device.
In addition, in the diagnostic system of the elevator of other inventions, described diagnostic device, have: the regular sending part of diagnostic result, it is can closing under the situation in the present moment of being doped by described diagnosis portion the use age, and diagnostic result that can not the use age with this sends the cycle by the diagnosis result and sends to described central monitoring position; With the instant sending part of diagnostic result, it be can not closing under the situation in the present moment of being doped by described diagnosis portion the use age, immediately with this can not the use age diagnostic result send to described central monitoring position.
In addition, in the diagnostic system of the elevator of other inventions, each monitor item is set the collection cycle of action data and the transmission cycle of described diagnostic result.
In addition, in the diagnostic system of the elevator of other inventions, described prediction type preparing department makes the prediction type of each monitor item based on the action data of each monitor item that sends from described diagnostic device; Described diagnosis portion according to the action data of each monitor item, adopts the prediction type of each monitor item, prediction and the corresponding each several part of each monitor item can not the use age, as the diagnostic result of each monitor item.
In addition, in the diagnostic system of the elevator of other inventions, central monitoring position has prediction type renewal portion, and this prediction type renewal portion is based on upgrading described each prediction type from described diagnostic device by the action data of each monitor item of data transmitting period transmission and sending to described diagnostic device.
In addition, in the diagnostic system of the elevator of other inventions, the collection cycle of the action data of described each monitor item is based on being set by described central monitoring position with the degradation characteristic of the corresponding part of this monitor item for each monitor item.
In addition, in the diagnostic system of the elevator of other inventions, the collection cycle of the action data of each monitor item, be based on setting by described central monitoring position for each monitor item with the degradation characteristic of the corresponding part of this monitor item, and at can not the closing on the use age under the situation in the present moment of the diagnostic result of this monitor item, shorten the collection cycle of the action data after this.
In addition, in the diagnostic system of the elevator of other inventions, described diagnostic device has automatic inspection operation portion, this automatic inspection operation portion obtains the action data of this monitor item to this monitor item enforcement automatic inspection operation when not having to collect the action data of monitor item in the collection cycle in appointment.
In addition, the diagnostic system of the elevator of other inventions possesses: be configured in the building that is provided with many elevators, the state of the each several part that constitutes described each elevator is carried out diagnotic diagnostic device; With the central monitoring position that described each elevator is carried out telemonitoring away from described building configuration, according to the diagnostic result that sends from described diagnostic device.
And described diagnostic device has: the action data collection unit, and its collection cycle by appointment is collected the action data of each monitor item of the described each several part of described each elevator when moving usually; Diagnosis portion, it uses prediction type according to the action data of each monitor item of being collected by this action data collection unit, predict each monitor item can not the use age, as diagnostic result; With collection data sending part, it is pressed assigned data and sends the cycle sends action data from each monitor item of being collected by described action data collection unit to described central monitoring position.In addition, described central monitoring position has prediction type preparing department, and this prediction type preparing department makes described prediction type based on the action data that sends from described diagnostic device and sends to described diagnostic device.
According to the present invention, current state and the early prediction that can analyze each equipment of each monitored object arrive the time that fault takes place, can when going the rounds periodic inspection next time, solve, fault can be prevented trouble before it happens, and can do one's utmost to suppress the outside the plan of service personnel and send.
Description of drawings
Fig. 1 is the block diagram that the summary of the diagnostic system of the related elevator of expression first embodiment of the present invention constitutes.
Fig. 2 is the block diagram that the summary of the central monitoring position of the expression diagnostic system that is assembled into this embodiment constitutes.
Fig. 3 is the figure that expression is assembled into the memory contents of formed monitor item table in the diagnostic device of diagnostic system of this embodiment.
Fig. 4 is the figure that expression is assembled into the memory contents of formed collection data file in the diagnostic device of diagnostic system of this embodiment.
Fig. 5 is the figure that expression is assembled into the memory contents of formed prediction type memory device in the diagnostic device of diagnostic system of this embodiment.
Fig. 6 is the figure that expression is assembled into the memory contents of formed diagnostic result file in the diagnostic device of diagnostic system of this embodiment.
Fig. 7 A is the figure that is used to illustrate the employed prediction type of diagnostic system of this embodiment.
Fig. 7 B is the figure that is used to illustrate employed other prediction types of diagnostic system of this embodiment.
Fig. 8 A be collection cycle of being illustrated in the action data of monitor item 1 in the diagnostic system of this embodiment, action data collection regularly, diagnosis regularly, the figure of the relation in transmission cycle of diagnostic result.
Fig. 8 B be collection cycle of being illustrated in the action data of monitor item 2 in the diagnostic system of this embodiment, action data collection regularly, diagnosis regularly, the figure of the relation in transmission cycle of diagnostic result.
Fig. 9 is the diagram of circuit that expression is assembled into the action of the diagnostic device in the diagnostic system of this embodiment.
Figure 10 is the diagram of circuit that expression is assembled into the action of the central monitoring position in the diagnostic system of this embodiment.
Figure 11 is the scheme drawing that the summary of the diagnostic system of the related elevator of expression second embodiment of the present invention constitutes.
Figure 12 is the scheme drawing that the summary of the management system of the existing elevator of expression constitutes.
The specific embodiment
Below, various embodiments of the present invention will be described to utilize accompanying drawing.
(first embodiment)
Fig. 1 is the block diagram of the diagnostic system of the related elevator of expression first embodiment of the present invention.The diagnostic system of the elevator of this first embodiment comes to divide substantially, comprising: near elevator 4 configurations, the state of the each several part (each equipment) that constitutes this elevator 4 is carried out diagnotic diagnostic device 5; With the central monitoring position 6 that elevator 4 is carried out telemonitoring away from diagnostic result elevator 4 configurations, that basis sends from diagnostic device 5.
In elevator 4, the upside of the lift well 7 in being located at building is provided with winch 8, control panel 9.On winch 8, hang an end jackstay 12 that car 10, the other end are equipped with balance block 11 is being installed.So by driving winch 8 by drive division 13 rotations, jackstay 12 moves, car 10 moves up and down in lift well 7.
In car 10, be provided with door 14 and car call register apparatus 15.At the escalator of each layer of building, door 16 and platform call register apparatus 17 are installed." car call " and " the platform calling " of registering by elevator user's push-botton operation that to register by elevator user's push-botton operation at car call register apparatus 15 at the platform call register apparatus 17 of each layer, the common operation portion 18 in the input control panel 9.
For example, in the diagnostic device 5 that constitutes by computing machine, be provided with: each the hardware component parts such as Department of Communication Force 23a that carries out the clock circuit 21 of timing, carries out various information exchanges via communication line 22 and central monitoring position 6 by the storage part 20 of HDD formations such as (hard disk drives), to present moment U.
And then, in storage part 20, be formed with monitor item table 24, collection data file 25, prediction type memory device 26, diagnostic result file 27 and send data buffer 28 etc.
In monitor item table 24, as shown in Figure 3, be set with: the monitor item of diagnotic each parts of enforcement (equipment, element) in a plurality of component parts of expression formation elevator 4; The use U zero hour with the corresponding parts of this monitor item (equipment, element)
0(elapsed time t=0); Collection is the collection period T of action data at the supervision result of this monitor item
AAnd the data transmitting period T that sends to central monitoring position 6 of the action data that gathers collection
B
For example, as monitor item, " the winch motor current " of the motor current of the winch 8 that is produced when setting the action that is illustrated in mobile car 10.To be somebody's turn to do the collection period T of the action data of " winch motor current "
ABe set at " 24 hours ", and with data transmitting period T
BBe set at 4 months.That is, though that the car 10 of elevator 4 moved up and down in one day is tens of time, the winch motor current is as long as collected an action data in one day, for example " 10A " etc.In addition, gather the action data that this was measured with the cycle once a day, 120 of 4 months amounts send to central monitoring position 6.
About the monitor item of door switching time of 16 of representing each layer " door switching time ", will collect period T
ABe set at 1 hour, with data transmitting period T
BBe set at 2 months.
In general, for the parts (equipment, element) of frequent movement, easy et out of order, with above-mentioned collection period T
AAnd data transmitting period T
BSet shortlyer.In addition, the collection period T in each inspection item
AAnd data transmitting period T
BBefore measuring beginning, carry out initial setting by central monitoring position 6.In addition, central monitoring position 6 will be used for the making or the renewal of prediction type from each action data that diagnostic device 5 receives, and therefore also can set same data transmitting period T for whole monitor item
B
In collecting data file 25, as shown in Figure 4, additional transformation is for using time opening U certainly
OThe collection time t ground in the elapsed time of rising writes by the action data D in collected each monitor item of action data collection unit 19.For example, at the inspection item of described " winch motor current ", as action data, write 15A (1 day), 13A (2 days) ....
In prediction type memory device 26, store the prediction type I=F (t) of each monitor item, this prediction type be used for according to the action data D in each collected monitor item of action data collection unit 19 predict this monitor item parts (equipment, element) can not use age t
M(elapsed time after bringing into use).Utilize Fig. 7 A, Fig. 7 B that the example of the prediction type I=F (t) of this each monitor item is described.
In generally by parts such as power-actuated motor, electromagnetic equipment, electronic components, be accompanied by the increase of the elapsed time t of process from bringing into use, the electric current I during action also increases gradually.And, reach critical current I in electric current I
MElapsed time t
MThe time, the parts of this monitor item (equipment, element) become fault etc. can not running condition.Therefore, if the characteristic of obtaining the relation between expression elapsed time t and the electric current I in advance as prediction type 29, as long as then obtain current value I be measurable fault etc. can not use age t
M
In this prediction type 29, electric current I can be represented by the polynomial approximation of elapsed time t.
I＝F(t)＝k
1t
n+k
2t
n-1+...+k
nt+k
0
K
0, k
1, k
2... be coefficient.
In this embodiment, adopt two prediction types shown in Fig. 7 A, Fig. 7 B.
Shown in Fig. 7 A, from bringing into use (t=0) to t transfer time that takes place near fault
LTill, electric current I does not almost increase, when surpassing t transfer time
LThe time, electric current I sharply increases, and reaches critical current I
MAt this moment, the prediction type of this current characteristics is shown below.
I＝F
1(t)＝a
1t+b
1...(0＜t＜t
L)
＝a
2t+b
2...(t
L＜t＜t
M)
And then, in this embodiment, shown in Fig. 7 B, from bringing into use (t=0) to because fault etc. and can not use age t
MTill, current value I increases continuously.At this moment, the prediction type of this current characteristics is shown below.
I＝F
2(t)＝ct
2+dt+e
Wherein, a
1, b
1, a
2, b
2, c, d, e... be coefficient
And, for the prediction type of Fig. 7 A, for example, become object with the corresponding door motor of monitor item and the link gear from the door to the motor of above-mentioned " door switching time ".Shown in the prediction type 29 of Fig. 7 A, when surpassing t transfer time
LThe time, electric current I sharply increases, and reaches critical current I
M, therefore, with the collection period T of action data
ASet shortlyer, eliminate above t transfer time
LThereby will reach can not use age t
MPrevent trouble before it happens.
On the other hand, for the prediction type of Fig. 7 B, for example, become object with the corresponding motor apparatus of monitor item of above-mentioned " winch motor current ".Shown in the prediction type 29 of Fig. 7 B, electric current I slowly rises continuously, therefore with the collection period T of action data
ASet longlyer, seek the communication cost between data handing high efficiency, reduction diagnostic device 5 and the central monitoring position 6 thereafter.
In addition, each prediction type 29, the action data of each monitored object when using the work of many elevators of same specification, utilization method of least square, statistical computation.
When collecting period T with one
AImport an action data (electric current I
S) time, obtain this electric current I s and reach critical current I
MTime (t
M-t
S), the moment (U+ (t that present moment U and this time addition are obtained
M-t
S)) as not using U constantly
MIf this prediction can not use U constantly
MNear present constantly U, then parts (equipment) diagnositc decision at the monitor item of input action data be unusual, if away from moment U at present, then be judged to be normally at this Device Diagnostic.
In diagnostic result file 27, as shown in Figure 6,, be written in each and collect period T at each monitor item
AImplemented utilize action data and diagnostic result A (U
M, t) and the transmission period T of diagnostic result
C
In addition, with the transmission period T of this diagnostic result
CBe set at different values in each monitor item, and as shown in Figure 6 whole monitor item set same transmission period T
CDeng all being fine.In addition, the transmission period T of diagnostic result
CTransmission period T with action data
BCompare and set shortlyer.
And then, in diagnostic device 5, be provided with the action data collection unit 19 that forms based on application program, project cycle configuration part 30a, diagnosis portion 31, the instant sending part 32 of diagnostic result, not enough data judging portion 33, automatic inspection operation portion 34, collect data edition portion 35, collect data sending part 36, the regular sending part 37 of diagnostic result, prediction type renewal portion 38 etc.
Then, in order each several part 19,30a, 31～37 action are described.
Project cycle configuration part 30a will be from the central monitoring position 6 collection period T by each action data of each indicated monitor item of communication line 22, this each monitor item
A, data transmitting period T
B, diagnostic result the transmission period T
C, write monitor item table 24 and diagnostic result file 27.
The common operation portion 18 of described elevator 4, as implied above, when the normal operation of elevator 4, export various indications, and inform same instruction content to the action data collection unit 19 of diagnostic device 5 to the each several part of elevator.Action data collection unit 19 when receiving described same instruction content at each several part from this common operation portion 18, reads the action data of the parts (equipment, element) of this instruction content by for example drive division 13.For example, be under the situation about moving of car 10 at instruction content, winch 8 actions, action data is a motor current, is the action data in the monitor item of " winch motor current ".And, the collection period T of this monitor item
AIt is 24 hours.
Then, be equivalent at this action data that reads under the situation of action data of the monitor item that sets in monitor item table 24, writing this action data in the lump and the present moment U of clock loop 21 is replaced into the moment t in described elapsed time in the hurdle of this monitor item of collection data file 25 shown in Figure 4 is collection time.
At this moment, if had the action data that writes, the collection period T of this monitor item that the collection time of this action data sets in the same hurdle in monitor item table 24
ASame one-period in, then current action data is not write and collects in the data file 25.Therefore, can be in the hurdle of the action data of each monitor item of collecting data file 25, in same collection period T
AIn write a plurality of action datas.
Diagnosis portion 31, when in collecting data file 25, writing new action data, the diagnosis of the prediction type 29 of the monitor item of the action data that the enforcement use is stored in prediction type memory device 26.Particularly, calculate this monitor item parts (equipment, element) can not use U constantly
M, at not using U constantly
MJudge normal, unusual.Then, this is normal, unusual judgement writes in the diagnostic result file 27 as diagnostic result.
Then, diagnosis portion 31, U is approaching constantly at present can not use U constantly
MAbnormal condition under, shown in the monitor item 2 of Fig. 8 B, start the instant sending part 32 of diagnostic result, by Department of Communication Force 23a to central monitoring position 6 instant these abnormal informations that send.
Not enough data judging portion 33, shown in the monitor item 1 of Fig. 8 A, collect disappearance monitor item table 24 in the data file 25 specified respectively collect period T
AAction data (be second and collect period T in the monitor item 1 of Fig. 8 A
A) time, send at the automatic inspection of this monitor item indication to automatic inspection operation portion 34.
Period T shown in Fig. 8 A, is collected when present moment U becomes one by automatic inspection operation portion 34
AThe finish time time, the operation of common operation portion 18 is stopped, implementing at inspection operation by the specified monitor item of not enough data judging portion 33.Then, automatic inspection operation portion 34 will write by the action data of checking this monitor item that operation is obtained and collect data file 25.Then, diagnosis portion 31 implements the diagnosis of the action data supplied by this automatic inspection operation portion 34, and diagnostic result is write diagnostic result file 27.
The regular sending part 37 of diagnostic result respectively sends period T what elapsed time t reached that diagnostic result file 27 stored
CThe time, the transmission period T that will in this diagnostic result file 27, be stored by Department of Communication Force 23a in cooresponding each monitor item
CInterior each diagnostic result of being accumulated sends to central monitoring position 6.
Collect data edition portion 35, reach the data transmitting period T of each monitor item that monitor item table 24 sets at elapsed time t
BThe time, the action data of this monitor item that will be stored in collecting data file 25 writes and sends data buffer 28.
In this case, if data send period T
BIn have a plurality of action datas, then collect data edition portion 35 and calculate statistical value, this statistical value comprises that data send period T
BMaxim, minimum value, aviation value, the up-to-date action data of interior existing action data.Then, this statistical value is write transmission data buffer 28.
Under the situation that has a plurality of action datas like this,, can implement the dissection process in the central monitoring position 6 efficiently by adopting statistical value.
And then, collect data edition portion 35, under the situation of calculating above-mentioned statistical value, if same transmission period T
BIn the data that have in collected each action data significantly different with other action datas, then remove this action data and use other action data to calculate described statistical value.Its reason is that the action data that uses elevator 4 to be produced under common running condition is implemented the calculating and the renewal of prediction type.This is because be necessary to get rid of that to utilize method (for example stop in the door 16,14 of closing, the car 10 with hand jump, significantly overload) to wait that caused, obvious by elevator user unexpected be not the anomalous behavior data that caused by fault.
Collect data sending part 36, will write the action data that sends each monitor item in the data buffer 28 by collection data edition portion 35 and send to central monitoring position 6 by Department of Communication Force 23a.
Fig. 2 is the block diagram that the summary of the central monitoring position 6 that is made of signal conditioning packages such as computing machines of expression constitutes.
Project cycle configuration part 30b, the collection period T of each monitor item that the supvr's operating operation portion 39 that sends elevator 4 to diagnostic device 5 by Department of Communication Force 23b, communication line 22 imports, each action data of each monitor item
A, data transmitting period T
B, diagnostic result the transmission period T
C
Collect data reception portion 40, will be by Department of Communication Force 23b accumulation registration from the collection data file 41 of action data in data bank 51 of each monitor item of diagnostic device 5 receptions.Therefore, accumulation has a plurality of action datas in this collection data file 41, and these a plurality of action datas show with the elapsed time t of the parts (equipment, element) that once were installed in each monitor item with same size on this elevator 4 and the combination of action data (electric current I).Certainly, also comprise elapsed time t when causing to use owing to et out of order
MAnd critical current I
M
Prediction type preparing department 42, adopt each action data of collecting this monitor item of being stored in the data file 41, calculate the prediction type 29 of each illustrated monitor item of Fig. 7 A, Fig. 7 B by method of least square, and each prediction type 29 that will calculate deposits in the prediction type file 43 of data bank 51 in.Prediction type 29 newly formed in this prediction type file 43 is sent initial setting in prediction type memory device 26 by the diagnostic device 5 to elevator 4 sides.
Prediction type renewal portion 44, in collecting data file 41, appending when writing new action data, the action data that use is stored in this collection data file 41 after appending is made prediction type 29 again, and be updated in the prediction type of being stored in the prediction type file 43 29, by prediction type lastest imformation sending part 45, the prediction type 29 of Department of Communication Force 23b after diagnostic device 5 sends renewal.
Diagnostic result acceptance division 46, when by Department of Communication Force 23b when diagnostic device 5 receives the diagnostic result of each monitor item, the diagnostic result of this each monitor item is write the diagnostic result file 47 of data bank 51, and this diagnostic result is sent to dissection process portion 48.
The analysis result of such dissection process portion 48 is write in the analysis result file 50 of data bank 51, and show output to display part 49.
The molar behavior of the diagnostic device 5 in the elevator diagnostic system of first embodiment of such formation is described with the diagram of circuit of Fig. 9.
When from the action data (step S1) of elevator 4 input monitored objects (monitor item), confirm the same collection period T of this monitor item in collecting data file 25
AThe zone in also do not have write activity data (step S2), then write the action data (step S3) of input to this zone.Then, shown in the monitor item 1 of Fig. 8 A, implement diagnosis, that is, with the prediction type 29 of this this monitor item of action data substitution, calculate this monitor item parts (equipment, element) can not use U constantly
M(step S4).Then, diagnostic result is write diagnostic result file 27 (step S5).
Can not use U constantly at diagnostic result
MUnder the situation still far away from present moment U, as to be in normal range (step S6), investigate this collection period T
AAction data whether be the transmission period T of diagnostic result
CIn final action data (step S7).Under the situation that is final action data, gather the transmission period T of this diagnostic result file 27
CIn whole diagnostic results of included this monitor item, send (step S8) to central monitoring position 6.
If not final action data, then this does not send diagnostic result to central monitoring position 6.In addition, can not use U constantly at diagnostic result
MNear present constantly U, be under the situation of abnormal ranges (step S6), collect period T as second of the monitor item 2 of Fig. 8 B
AShown in, the diagnostic result that this is unusual sends (step S9) to central monitoring position 6 immediately.
In addition, in step S10, collecting period T as second of the monitor item 1 of Fig. 8 A
AShown in, appointment respectively collect period T
AAction data when having disappearance, implement inspection operation by automatic inspection operation portion 34 at this monitor item, obtain the action data (step S11) of monitor item, and write and collect data file 25 (step S3).
In addition, at the data transmitting period T of the action data of each monitor item of collecting
BDuring arrival (step S12), implement editor, send (step S13) to central monitoring position 6 then at the action data of this monitor item of in collecting data file 25, being stored.
And then, when (step S14) indicated in the renewal of importing prediction types 29 from central monitoring position 6, prediction type renewal portion 38 is updated to the prediction type 29 of prediction type memory device 26 along with upgrading the up-to-date more high-precision prediction type 29 (step S15) of indication from central monitoring position 6 inputs.
In addition, Figure 10 is the diagram of circuit of the summary action of expression central monitoring position 6.When diagnostic device 5 receives the action data (step Q1) of each monitor item, it is write collection data file 41 (step Q2) in the data bank 51.Consequently, writing the action data quantity of collecting in the data file 41 increases.Upgrade prediction type 29 (step Q3) with the action data of collecting after the appending of data file 41, the prediction type 29 (step Q4) that sends after upgrading to diagnostic device 5.
Receiving abnormity diagnosis as a result the time (step Q5), judge (step Q6) to wait until the inspection of next time at the maintenance inspection of unusual parts (equipment, element) time by dissection process portion 48, make decision in situation about can not wait for and send service personnel (step Q7).Then, this abnormity diagnosis result is write in the analysis result file 50 of data bank 51 (step Q8).
When the transmission period T that receives the diagnostic result of setting with each monitor item
CSend, in the transmission period T of each monitor item
CDuring accumulated each diagnostic result the time (step Q9), carry out at this to send period T by dissection process portion 48
CIn the parsing (step Q10) of diagnostic result, and deposit diagnostic result and analysis result in the data bank 51 (step Q11).
And then, the collection period T of operating each action data of each monitor item of input, each monitor item as supvr by elevator 4
A, data transmitting period T
B, diagnostic result the transmission period T
CThe time (step Q12), these are sent (step Q13) to diagnostic device 5.
In the diagnostic system of the elevator of first embodiment that constitutes like this, expression is constituted each monitor item of each parts (equipment, element) of elevator 4, definition prediction type 29, this prediction type represent these parts from bring into use constantly elapsed time t and action datas such as action current I between, until these parts owing to fault etc. and the relation till can not using.
And,, obtain this prediction type 29 by statistical methods such as for example method of least square according to the action data of each monitor item of gained when the common operation of elevator 4.And then, often this prediction type is updated to latest prediction formula 29 according to above-mentioned action data.Then, when obtaining action data, all can not use U constantly by what this prediction type 29 obtained each parts (equipment, element)
MAs diagnostic result.
Therefore, can and have the action data of each parts (equipment, element) of other elevators of same specification according to the past actions data of elevator 4 at time of failure point, analyze the present state of each parts (equipment, element), early prediction is to the time of et out of order.Its result can solve at the next periodic inspection of elevator 4 time, fault not only can be prevented trouble before it happens, and can do one's utmost to suppress the outside the plan of service personnel and send.
In addition, the present invention is not limited to above-mentioned embodiment.For example, can represent at the diagnostic result of this monitor item to close on can not the use age arrival the time, for the collection period T of the action data of each monitor item
A, shorten collection cycle of the action data after this.By such setting, can be at each parts (equipment, element) that can not the use age also use elevator 4 before at hand, thus the maintenance management expense that can save elevator 4.
(second embodiment)
Figure 11 is the block diagram of the diagnostic system of the related elevator of expression second embodiment of the present invention.In the diagnostic system of the elevator of this second embodiment, in a solitary building 52, be provided with many elevator 4a of same specification.In this building 52, the action data when being provided with according to common operation carries out a diagnotic diagnostic device 5a to the state of each parts (equipment, element) of constituting each elevator 4a.And, for this diagnostic device 5a, connect central monitoring position 6 by communication line 22a.
The basic comprising of each elevator 4a, diagnostic device 5a and central monitoring position 6a, identical with elevator 4, diagnostic device 5 and the central monitoring position 6 of first embodiment, therefore omit explanation.
The diagnostic device 5a of this second embodiment monitors with 5 couples many elevator 4a of a diagnostic device, therefore increased the burden of diagnostic device 5a, so must increase the capacity of storage part 20, if each elevator 4a is carried out the diagnotic time, just can reduce the burden of diagnosis portion 34 but stagger.
As mentioned above, if many elevator 4a that are provided with in same solitary building 52 are monitored with a diagnostic device 5a, then with in each elevator 4a, diagnostic device 5 is set respectively and compares the manufacturing expense that can reduce entire system.
Claims (9)
1. the diagnostic system of an elevator, possess: near elevator arrangement, the state of the each several part that constitutes this elevator is carried out diagnotic diagnostic device, with the central monitoring position that described elevator is carried out telemonitoring away from described elevator arrangement, according to the diagnostic result that sends from described diagnostic device, the diagnostic system of this elevator is characterised in that
Described diagnostic device has:
The action data collection unit, its collection cycle by appointment is collected the action data of each monitor item of the described each several part of described elevator when moving usually;
Diagnosis portion, it uses prediction type according to the action data of each monitor item of being collected by this action data collection unit, as diagnostic result prediction and the corresponding each several part of each monitor item can not the use age; With
Collect the data sending part, it is pressed assigned data and sends the cycle sends action data from each monitor item of being collected by described action data collection unit to described central monitoring position;
Described central monitoring position has prediction type preparing department, and this prediction type preparing department makes described prediction type based on the action data that sends from described diagnostic device and sends to described diagnostic device.
2. the diagnostic system of the elevator of putting down in writing according to claim 1 is characterized in that,
Described diagnostic device has:
The regular sending part of diagnostic result, it is can closing under the situation in the present moment of being doped by described diagnosis portion the use age, and diagnostic result that can not the use age with this sends the cycle by the diagnosis result and sends to described central monitoring position; With
The instant sending part of diagnostic result, it be can not closing under the situation in the present moment of being doped by described diagnosis portion the use age, immediately with this can not the use age diagnostic result send to described central monitoring position.
3. the diagnostic system of the elevator of putting down in writing according to claim 2 is characterized in that,
Set the collection cycle of described action data and the transmission cycle of described diagnostic result by each monitor item.
4. the diagnostic system of the elevator of putting down in writing according to claim 3 is characterized in that,
Described prediction type preparing department makes the prediction type of each monitor item based on the action data of each monitor item that sends from described diagnostic device;
Described diagnosis portion according to the action data of each monitor item, adopts the prediction type of each monitor item, prediction and the corresponding each several part of each monitor item can not the use age, as the diagnostic result of each monitor item.
5. the diagnostic system of the elevator of putting down in writing according to claim 4 is characterized in that,
Described central monitoring position has prediction type renewal portion, and this prediction type renewal portion is based on upgrading described each prediction type from described diagnostic device by the action data of each monitor item of data transmitting period transmission and sending to described diagnostic device.
6. the diagnostic system of the elevator of putting down in writing according to claim 3 is characterized in that,
The collection cycle of the action data of described each monitor item is based on being set by described central monitoring position with the degradation characteristic of the corresponding part of this monitor item by each monitor item.
7. the diagnostic system of the elevator of putting down in writing according to claim 6 is characterized in that,
The collection cycle of the action data of described each monitor item, by each monitor item based on when setting by described central monitoring position with the degradation characteristic of the corresponding part of this monitor item, at can not the closing on the use age under the situation in the present moment of the diagnostic result of this monitor item, shorten the collection cycle of its later action data.
8. according to the diagnostic system of each elevator of putting down in writing in the claim 1 to 7, it is characterized in that,
Described diagnostic device has automatic inspection operation portion, and this automatic inspection operation portion obtains the action data of this monitor item to this monitor item enforcement automatic inspection operation when not having to collect the action data of monitor item in the collection cycle in appointment.
9. the diagnostic system of an elevator, possess: be configured in the building that is provided with many elevators, the state of the each several part that constitutes described each elevator is carried out diagnotic diagnostic device, with the central monitoring position that described each elevator is carried out telemonitoring away from described building configuration, according to the diagnostic result that sends from described diagnostic device, the diagnostic system of this elevator is characterised in that
Described diagnostic device has:
The action data collection unit, its collection cycle by appointment is collected the action data of each monitor item of the described each several part of described each elevator when moving usually;
Diagnosis portion, it uses prediction type according to the action data of each monitor item of being collected by this action data collection unit, as diagnostic result predict each monitor item can not the use age; With
Collect the data sending part, it is pressed assigned data and sends the cycle sends action data from each monitor item of being collected by described action data collection unit to described central monitoring position;
Described central monitoring position has prediction type preparing department, and this prediction type preparing department makes described prediction type based on the action data that sends from described diagnostic device and sends to described diagnostic device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP073581/2007 | 2007-03-20 | ||
| JP2007073581A JP2008230781A (en) | 2007-03-20 | 2007-03-20 | Elevator diagnosis system |
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| Publication Number | Publication Date |
|---|---|
| CN101269769A true CN101269769A (en) | 2008-09-24 |
| CN101269769B CN101269769B (en) | 2011-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810086775XA Expired - Fee Related CN101269769B (en) | 2007-03-20 | 2008-03-20 | Detection system for elevator |
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| JP (1) | JP2008230781A (en) |
| CN (1) | CN101269769B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101930228A (en) * | 2009-06-18 | 2010-12-29 | 株式会社山武 | Facilities control device and facilities control method |
| CN106144819A (en) * | 2016-07-19 | 2016-11-23 | 广州日滨科技发展有限公司 | The pre-diagnostic method of elevator and device |
| CN106414296A (en) * | 2014-04-14 | 2017-02-15 | 因温特奥股份公司 | Method for operating an elevator installation and elevator control device operating according to the method |
| CN106429684A (en) * | 2016-10-17 | 2017-02-22 | 永大电梯设备（中国）有限公司 | Elevator running state active checking method |
| CN109132755A (en) * | 2017-06-16 | 2019-01-04 | 株式会社日立大厦系统 | Information processing unit, query processing system and inquiry processing method |
| CN111788136A (en) * | 2018-04-03 | 2020-10-16 | 三菱电机大楼技术服务株式会社 | Data acquisition system for elevator |
| CN111886553A (en) * | 2018-03-14 | 2020-11-03 | It空间株式会社 | Accurate pre-maintenance method for driving part |
| CN112390102A (en) * | 2020-11-02 | 2021-02-23 | 上海三菱电梯有限公司 | Elevator monitoring system and elevator monitoring method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP2243738A1 (en) | 2009-04-24 | 2010-10-27 | Inventio AG | Method for communicating with a lift assembly |
| JP6510600B2 (en) * | 2017-08-24 | 2019-05-08 | 東芝エレベータ株式会社 | Remote diagnostic operation method of elevator, elevator control device, and remote diagnostic operation program of elevator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02138081A (en) * | 1988-11-19 | 1990-05-28 | Hitachi Ltd | Elevator system |
| JP3224914B2 (en) * | 1993-07-16 | 2001-11-05 | 株式会社日立ビルシステム | Elevator failure sign system |
| JPH08225266A (en) * | 1995-02-20 | 1996-09-03 | Hitachi Building Syst Eng & Service Co Ltd | Diagnostic device for elevator |
-
2007
- 2007-03-20 JP JP2007073581A patent/JP2008230781A/en active Pending
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2008
- 2008-03-20 CN CN200810086775XA patent/CN101269769B/en not_active Expired - Fee Related
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| CN106414296B (en) * | 2014-04-14 | 2021-02-12 | 因温特奥股份公司 | Method for operating an elevator installation and elevator control operating according to said method |
| CN106414296A (en) * | 2014-04-14 | 2017-02-15 | 因温特奥股份公司 | Method for operating an elevator installation and elevator control device operating according to the method |
| US10106374B2 (en) | 2014-04-14 | 2018-10-23 | Inventio Ag | Method for operating an elevator system and an elevator control device operating in accordance with the method |
| CN106144819A (en) * | 2016-07-19 | 2016-11-23 | 广州日滨科技发展有限公司 | The pre-diagnostic method of elevator and device |
| WO2018014502A1 (en) * | 2016-07-19 | 2018-01-25 | 日立楼宇技术（广州）有限公司 | Elevator pre-diagnosis method and device |
| CN106144819B (en) * | 2016-07-19 | 2018-09-07 | 日立楼宇技术（广州）有限公司 | The pre- diagnostic method and device of elevator |
| CN106429684A (en) * | 2016-10-17 | 2017-02-22 | 永大电梯设备（中国）有限公司 | Elevator running state active checking method |
| CN106429684B (en) * | 2016-10-17 | 2018-10-16 | 永大电梯设备（中国）有限公司 | A kind of elevator operation active method of inspection |
| CN109132755A (en) * | 2017-06-16 | 2019-01-04 | 株式会社日立大厦系统 | Information processing unit, query processing system and inquiry processing method |
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| US11049335B2 (en) | 2018-03-14 | 2021-06-29 | Its Co., Ltd. | Precise predictive maintenance method for driving unit |
| CN111886553B (en) * | 2018-03-14 | 2021-08-10 | It空间株式会社 | Accurate pre-maintenance method for driving part |
| CN111788136A (en) * | 2018-04-03 | 2020-10-16 | 三菱电机大楼技术服务株式会社 | Data acquisition system for elevator |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN101269769B (en) | 2011-07-27 |
| JP2008230781A (en) | 2008-10-02 |
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