CN101362568A - Elevator abnormity diagnostic system - Google Patents
Elevator abnormity diagnostic system Download PDFInfo
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- CN101362568A CN101362568A CNA2008101449120A CN200810144912A CN101362568A CN 101362568 A CN101362568 A CN 101362568A CN A2008101449120 A CNA2008101449120 A CN A2008101449120A CN 200810144912 A CN200810144912 A CN 200810144912A CN 101362568 A CN101362568 A CN 101362568A
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Abstract
The invention relates to an abnormality diagnosing system for an elevator. The elevator (10) side is provided with a primary diagnosing device (20), and a monitoring center (31) side is provided with a secondary diagnosing device (30). At the primary diagnosing device (20), the abnormality diagnosing system collects data of each device and detects abnormal signs, and then sends the data of each device to the monitoring center (31) periodically, and reports the condition to the device detected with the abnormal signs to send the data. At the secondary diagnosing device (30), the abnormality diagnosing system stores the data of each device in a database (34), and predicts the failure period of the device according to the record of the data. If a device close to the failure period is existent, a service man attends the scene, till to the condition that failure does not occur at next maintenance and detection, the service man does not attend the scene to carry out corresponding treatment, so as to reduce the attendance times of service man.
Description
Technical field
The present invention relates to be used to diagnose the unusual abnormity diagnostic system of each equipment such as door, towing machine of elevator.
Background technology
Elevator plays important effect as transit equipment longitudinally, in the time of can not using producing fault etc., can bring very big trouble to the guest.Therefore, monitor always elevator state, prevent that fault from becoming very important in possible trouble.
In the past, as the device of the status surveillance that carries out elevator, for example management system of patent documentation 1 disclosed elevator was arranged.This management system is made of elevator control gear and management department's (central monitoring position).In the elevator control gear side, be provided with the unusual testing fixture of checking elevator.In management department's side, be provided with the function of collection and treatment from the data of this testing fixture.
Patent documentation 1: No. 3016933 communique of patent
But, in the management system of the elevator of above-mentioned patent documentation 1, when the data of each equipment of collection, only detect unusual having or not by comparing with pre-set threshold.Therefore, though the equipment that does not sometimes also break down, also owing to being judged to be unusually with threshold.Be judged to be when unusual, need carrying out on-the-spot inspection operation, the maintainer increases to on-the-spot number of times.At this moment, if improve threshold value,, have the possibility that produces fault owing to the state of equipment though can reduce the maintainer to on-the-spot number of times.
Summary of the invention
The present invention finishes in view of above-mentioned aspect, its purpose is to provide a kind of abnormity diagnostic system of elevator, it is in the period of breaking down than stage forecast early, can when the maintenance examination of next time, carry out alignment processing thus, can prevent fault in possible trouble, and suppress the maintainer as possible to on-the-spot number of times.
The abnormity diagnostic system of elevator involved in the present invention, comprise 1 diagnostic device of the control panel that is arranged on elevator and be arranged on 2 diagnostic devices that are connected the central monitoring position on this 1 diagnostic device via network, it is characterized in that: described 1 diagnostic device possesses: data gathering portion, and it is regularly from the data of described control panel collection as each equipment of monitored object; Reservoir, it stores the data of each equipment of being collected by this data gathering portion; The 1st diagnosis portion, it is according to the unusual sign of Data Detection that is stored in each equipment in this reservoir; And Department of Communication Force, its data with described each equipment regularly send to described central monitoring position, and when detecting unusual sign by described the 1st diagnosis portion, will comprise that immediately the data of this equipment of the diagnostic result that this detects unusual sign send; Described 2 diagnostic devices possess: Department of Communication Force, and it receives the data from relevant each equipment of described 1 diagnostic device; Data bank, it preserves the data of each equipment that is received by this Department of Communication Force; The 2nd diagnosis portion, it is based on the state variation of described each equipment of resume analysis of the data that are kept at each equipment in this data bank, the period that prediction is broken down; With fault handling portion, it is for being judged as near the fault equipment in period, the alignment processing of being scheduled to by the 2nd diagnosis portion.
Description of drawings
Fig. 1 is the figure of structure of the abnormity diagnostic system of the related elevator of expression the 1st embodiment of the present invention.
Fig. 2 is the diagram of circuit that the processing of 1 diagnostic device side of the abnormity diagnostic system in this embodiment of expression is moved.
Fig. 3 is the diagram of circuit that the processing of 2 diagnostic device sides of the abnormity diagnostic system in this embodiment of expression is moved.
Fig. 4 is the figure that expression is provided with an example of the periodic table in 1 diagnostic device of abnormity diagnostic system in this embodiment.
Fig. 5 is the figure that expression is provided with an example of a reference value table in 1 diagnostic device of abnormity diagnostic system in this embodiment.
Fig. 6 is the figure that expression is provided with an example of the data in 2 diagnostic devices of abnormity diagnostic system in this embodiment.
Fig. 7 is the figure of expression with the failure prediction result of switching time when being example of the door in this embodiment.
Fig. 8 is the figure of structure of the abnormity diagnostic system of the related elevator of expression the 2nd embodiment of the present invention.
The specific embodiment
Below, with reference to accompanying drawing embodiments of the present invention are described.
(the 1st embodiment)
Fig. 1 is the figure of structure of the abnormity diagnostic system of the related elevator of expression the 1st embodiment of the present invention.
Linking at an end of the main horseline 11 of elevator 10 has car 12, and linking at the other end has counterweight 13.When driving towing machine 14, car 12 moves in elevating road via being wound on the main horseline 11 on this towing machine 14 with counterweight 13 bucket type.
The operation of car 12 control is undertaken by the control panel 15 that is arranged on Machine Room etc. and locates.Control panel 15 is become by the general calculation mechanism with CPU (central processing unit), ROM (read-only memory (ROM)), RAM (random access memory) etc.In addition, lead-in wire 16 is installed in the lower end of this car 12.The transmission of the control signal between car 12 and the control panel 15, carry out via this lead-in wire 16 with respect to power supply supply of car 12 etc.
, in native system, possess 1 diagnostic device 20 and 2 diagnostic devices 30 here, form the abnormality diagnostic structure of carrying out elevator 10 with 2 stages.
1 time diagnostic device 20 uses as " simple diagnosis device ", has the function to the unusual sign of each Equipment Inspection of elevator 10.This 1 diagnostic device 20 is arranged on the control panel 15 of elevator 10, comprises data gathering portion 21, reservoir 22, diagnosis portion 23, Department of Communication Force 24.
The data that data gathering portion 21 collects as each equipment of monitored object from control panel 15.Reservoir 22 stores the data of each equipment of being collected by data gathering portion 21.Diagnosis portion 23 is the parts of carrying out 1 diagnostic process, with respect to the data that are stored in each equipment in the reservoir 22, compares with predefined a reference value respectively, detects unusual sign thus.Department of Communication Force 24 be and 2 diagnostic devices 30 between communicate the part of processing, the data of each equipment that will be collected by data gathering portion 21 regularly send to central monitoring position 31, and when detecting unusual sign, will comprise that immediately the data of this equipment of the diagnostic result that this detects unusual sign send by diagnosis portion 23.
On the other hand, 2 diagnostic devices 30 use as " apparatus for diagnosis of abnormality ", have the function for the device predicted fault period that is detected unusual sign by 1 diagnostic device 20.These 2 diagnostic devices 30 are set at central monitoring position 31.
Central monitoring position 31 is present in long-range place, via the operative condition of network 40 telemonitoring elevators 10.In addition, in the example of Fig. 1, only express 1 elevator 10, but in fact on central monitoring position 31, be connected with many elevators that are present in various places via network 40.Central monitoring position 31 monitors the operative condition of these elevators always, any sends the maintainer to this scene when unusual detecting.
Be arranged on 2 diagnostic devices 30 of this central monitoring position 31, comprise Department of Communication Force 32, diagnosis portion 33, data bank 34 and fault handling portion 35.
Carry out data communication between Department of Communication Force 32 and 1 diagnostic device 20.The data of each equipment that is received by this Department of Communication Force 32 are passed to diagnosis portion 33 and data bank 34.
Next, the processing action to native system describes.
Fig. 2 and Fig. 3 are the diagram of circuits of the processing action of expression native system, and Fig. 2 represents the processing of 1 diagnostic device 20 side, and Fig. 3 represents the processing of 2 diagnostic device 30 sides.
At first, the processing to 1 diagnostic device 20 side describes.
As shown in Figure 2, be arranged on 1 diagnostic device 20 of elevator 10, the data (steps A 11) of collecting as each equipment of monitored object from control panel 15 with the predetermined cycle by data gathering portion 21.
So-called " each equipment " for example is the door, towing machine 14 etc. of car 12.In addition, so-called " data " are for the data (action data) of the operating state of the operating equipment of expression elevator, for example if the door of car 12 then is the switching time etc.
Collecting the cycle of the data of these equipment is determined by the characteristic as the equipment of monitored object.That is, for occur from unusual sign, state changes lentamente, the equipment grown during break down, is provided with the collection cycle longer.On the contrary, for the equipment that occurs, in the relatively shorter time, breaks down from unusual sign, be provided with the collection cycle shorter, can detect unusual sign ahead of time, can not make the mode of inferring precise decreasing of inferring the period of breaking down is collected data.
If specify, arrive usually towing machine 14 produce till the faults during very long, so the collection cycle of the data relevant with towing machine 14 also can be longer.Relative therewith, the door of car 12 relatively is easy to generate fault, influences the operation of elevator immediately, so the collection cycle of the data relevant with door needs to shorten.
As shown in Figure 4, in being arranged on the periodic table 21a of data gathering portion 21, store in advance with respect to the collection cycle (T1, T2...) as the data of each apparatus settings of monitored object.Data gathering portion 21 is with reference to this periodic table 21a, the data of collecting each equipment with the cycle of determining respectively.
In addition, the data gathering cycle that is stored in each equipment among this periodic table 21a can at random change by the 21b of periodic change portion.The 21b of this periodic change portion indicates the change of carrying out the data gathering cycle to handle according to elevator 10 sides by the input operation of maintainer's input or from the outside of central monitoring position 31.
In addition, 2 diagnostic devices 30 are compared identical or longer with the data gathering cycle of data gathering portion 21 from the cycle that 1 diagnostic device 20 obtains the data of each equipment.
In addition, for example for door, collecting under the switching data conditions with the unit period in 1 week, is not all data that send in this 1 week, as long as extract and send wherein maxim, minimum value, aviation value and up-to-date data.But, under the situation of door, do not have the guest in existing sometimes during collecting, can not collect the floor that it opens and closes data.At this moment, utilizing the lower time band of frequency to implement the automatic inspection of door, send the switching data that obtain this moment as required.
In addition, compare under the significantly different data conditions, these data are removed when in each data of collecting, containing with other data with the unit in 1 week.For example, under the situation of the switching that hinders door owing to mischief etc., door does not does not open and close within a certain period of time, so the exceptional value of detecting.Obvious unusual data like this are essential factors that diagnostic accuracy is descended, so remove from collect data.
The data of each equipment that 1 diagnostic device 20 will be collected like this are kept at (steps A 12) in the reservoir 22, carry out 1 diagnostic process (steps A 13) by diagnosis portion 23 then.In this 1 diagnostic process, by detecting unusual sign with in advance a reference value of each apparatus settings being compared.
As shown in Figure 5, among a reference value table 23a in being arranged on diagnosis portion 23, store a reference value (K1, K2...) in advance as each equipment of monitored object.Diagnosis portion 23 judges with reference to this a reference value table 23a whether the data of each equipment surpass a reference value of determining respectively.
If be a reference value following (steps A 14 be) that then diagnosis portion 23 is judged as not unusually, the continuation data gathering of keeping intact is becoming regular transmission during period (steps A 16 be), sends data (steps A 17) by Department of Communication Force 24 to central monitoring position 31.
In addition, in order to alleviate the burden of communication expense and central monitoring position 31, the transmission to central monitoring position 31 of data can get up to send with the aggregation of data of collecting, and sends with the result of the long-range inspection of carrying out with about 1 time every month cycle.The data that send to each equipment of central monitoring position 31 from 1 diagnostic device 20 are received by 2 diagnostic devices 30 that are arranged on central monitoring position 31, and implement 2 diagnosis there.
On the other hand, 1 diagnotic result is (steps A 14 deny) under the situation of existence above the equipment of a reference value, diagnosis portion 23 has been considered as occurring unusual sign (steps A 15), reports these situations to central monitoring position 31 immediately, and sends the data (steps A 17) of this equipment.
Next, the processing for 2 diagnostic device 30 sides describes.
As shown in Figure 3, be arranged on 2 diagnostic devices 30 of central monitoring position 31, when receiving the data of each equipment that regularly sends from 1 diagnostic device 20, perhaps, carry out 2 diagnostic process (step B12) by diagnosis portion 23 receiving (step B11) when detecting the data of equipment of unusual sign by 1 diagnostic device 20.
In these 2 diagnostic process, predict the period that each equipment breaks down.
As shown in Figure 6, in data bank 34, preserve the data of each equipment of collecting from each elevator with id information (0001,0002,0003...) classification.
Failure prediction result when expression is example with switching time of door in Fig. 7.Analyze the state variation of this equipment from this reception data (data 5) and past data (data 1～4), the switching time of trying to achieve door according to prediction type arrives the period of the threshold value (Kx) of predefined fault verification, as fault period (Tx).
Here, under, the situation scheduled period more than of being spaced apart stable (step B13 denys) from present moment to fault period (Tx) in the state variation of equipment, the possibility that diagnosis portion 33 is judged as fault is also very low, with the data former state of this equipment be kept at (step B14) in the data bank 34.
On the other hand, be judged as under the nearer situation in fault period, promptly under the situation of interval from present moment to fault period (Tx) (step B13 is) less than the scheduled period, not shown maintenance examination schedule is checked by diagnosis portion 33, whether this equipment can produce fault till when determining next maintenance examination, and sends its result to fault handling portion 35 (step B15).
Its result, can not produce till when being judged as next maintenance examination under the situation of fault (step B15 not), by fault handling portion 35, in described maintenance examination schedule, clearly put down in writing this equipment, be adjusted into then and can when next maintenance examination, carry out alignment processing (step B16) near fault.At this moment, as shown in Figure 5, the attribute information of this situation of additional representation " adjustment " in the data of this equipment is kept at (step B17) in the data bank 34 then.
In addition, under the situation of meeting generation fault (step B15 is), fault handling portion 35 makes the maintainer carry out alignment processing (step B18) early to the scene immediately till being judged as next maintenance examination day.At this moment, also can and make the maintainer, for example also can utilize the directly contact portable terminal device that the maintainer held etc. and make the maintainer such as E-MAIL to the scene from central monitoring position 31 contact ancillary firm shops to the scene.
When making the maintainer to the scene, as shown in Figure 5, the attribute information of this situation of additional representation in the data of this equipment " makes the maintainer to the scene ", is kept at then (step B19) in the data bank 34.
Carry out above-mentioned same processing for each equipment.At this moment, for not judging near fault period but by 1 diagnostic detection equipment to unusual sign, fault handling portion 35 is adjusted into and carries out alignment processing when next maintenance examination by 2 diagnosis.
In addition, for in 1 diagnosis, not detecting unusual sign but these the 2 times diagnotic equipment that found that unusual sign too, fault handling portion 35 is investigated when next maintenance examination as required, thereby can ahead of time fault be eliminated in rudiment.
As mentioned above, when the abnormity diagnosis of each equipment that carries out elevator 10, be divided into 1 diagnosis and 2 diagnosis, in 1 diagnosis, diagnose easily, the state variation of analytical equipment in 2 diagnosis then, in the period that prediction is broken down, can when the maintenance examination of next time, suitably carry out alignment processing thus.In addition, fault can be prevented, and maintainer's the on-the-spot number of times that arrives can be suppressed as possible in possible trouble.
(the 2nd embodiment)
Next, the 2nd embodiment of the present invention is described.
Fig. 8 is the figure of structure of the abnormity diagnostic system of the related elevator of expression the 2nd embodiment of the present invention.In addition, give same-sign, its explanation is omitted for the part identical with the structure of Fig. 1 in above-mentioned the 1st embodiment.
In the 2nd embodiment, connect 11 diagnostic device 20 on many elevator 10a, 10b in being arranged on identical building, the 10c.In this 1 diagnostic device 20, same with above-mentioned the 1st embodiment, be provided with data gathering portion 21, reservoir 22, diagnosis portion 23, Department of Communication Force 24.
The data that data gathering portion 21 collects each equipment from the control panel separately 15 of elevator 10a, 10b, 10c with the predetermined cycle.In addition, the data gathering cycle of collecting the data of each equipment can be set in elevator 10a, 10b, 10c identical, also can set respectively.In reservoir 22, store the data of each equipment for each elevator classification.
Later processing and above-mentioned the 1st embodiment are same.
That is, the data of each equipment of elevator 10a, 10b, 10c are kept in the reservoir 22, carry out diagnostic process 1 time by diagnosis portion 23 then, detect unusual sign.Then, the data of each equipment are regularly sent to central monitoring position 31, and for the equipment that in above-mentioned 1 diagnosis, detects unusual sign, report this situation immediately and send data.
Be arranged on 2 diagnostic devices 30 of central monitoring position 31, receiving the data of each equipment of elevator 10a, 10b, 10c by Department of Communication Force 32.Then, carry out diagnostic process 2 times, use the data of present moment and the resume that are kept at the past data in the data bank 34 to predict the period that each equipment breaks down by diagnosis portion 23.Prediction result if near the fault equipment in period, then makes the maintainer to the scene.In addition, under the situation that can not break down till up to next maintenance examination the time, do not make the maintainer, alleviate the maintainer thus to on-the-spot number of times to carry out alignment processing on-the-spotly.
As mentioned above, even many elevator 10a, the 10b, the 10c that are arranged in the identical building by 20 diagnosis of 11 diagnostic device also can access and above-mentioned same effect.At this moment, and among each elevator 10a, 10b, the 10c each 1 diagnostic device 20 is set respectively and compares, have the advantage of cost-cutting significantly.
In addition, under the situation that is made as the structure of diagnosing many elevators by 11 diagnostic device, the burden of diagnosis portion increases, and also needs to increase the capacity of reservoir.But, adjust if the diagnosis of each elevator staggered period, then can alleviate the burden of diagnosis portion.In addition, also can reduce the capacity of reservoir.
In addition, in the structure of Fig. 8, be example with 3 elevators, but also can be made as more elevator is connected the structure of carrying out 1 diagnostic process on 1 diagnostic device.
Importantly, the present invention is not limited to the respective embodiments described above, the implementation phase in the scope that does not break away from its purport, can and specialize structural element distortion.In addition, by inciting somebody to action disclosed a plurality of structural element appropriate combination in the respective embodiments described above, can form variety of way.For example, also can in all structural elements shown in the embodiment, omit several structural elements.And then, also can be with the structural element appropriate combination in the different embodiments.
According to the present invention, by in the period of breaking down, can when the maintenance examination of next time, carry out alignment processing thus than stage forecast early, can prevent fault in possible trouble, and suppress the maintainer as possible to on-the-spot number of times.
Claims (9)
1. the abnormity diagnostic system of an elevator, it comprises 1 diagnostic device of the control panel that is arranged on elevator and is arranged on 2 diagnostic devices that are connected the central monitoring position on this 1 diagnostic device via network, it is characterized in that:
Described 1 diagnostic device possesses:
Data gathering portion, it is regularly from the data of described control panel collection as each equipment of monitored object;
Reservoir, it stores the data of each equipment of being collected by this data gathering portion;
The 1st diagnosis portion, it is according to the unusual sign of Data Detection that is stored in each equipment in this reservoir; With
Department of Communication Force, its data with described each equipment regularly send to described central monitoring position, and when detecting unusual sign by described the 1st diagnosis portion, will comprise that immediately the data of this equipment of the diagnostic result that this detects unusual sign send;
Described 2 diagnostic devices possess:
Department of Communication Force, it receives the data from relevant each equipment of described 1 diagnostic device;
Data bank, it preserves the data of each equipment that is received by this Department of Communication Force;
The 2nd diagnosis portion, it is based on the state variation of described each equipment of resume analysis of the data that are kept at each equipment in this data bank, the period that prediction is broken down; With
Fault handling portion, it is for being judged as near the fault equipment in period, the alignment processing of being scheduled to by the 2nd diagnosis portion.
2. the abnormity diagnostic system of the elevator put down in writing of claim 1, it is characterized in that: described fault handling portion can not produce the equipment of fault till when being judged as next maintenance examination by described the 2nd diagnosis portion, is adjusted into and can carries out alignment processing when next maintenance examination.
3. the abnormity diagnostic system of the elevator put down in writing of claim 1, it is characterized in that: described fault handling portion is for not judged near fault period by described the 2nd diagnosis portion but by the equipment that described the 1st diagnosis portion detects unusual sign, be adjusted into and carry out alignment processing when next maintenance examination.
4. the abnormity diagnostic system of the elevator put down in writing of claim 1, it is characterized in that: described fault handling portion is for not detecting unusual sign by described the 1st diagnosis portion but by the equipment that the result of described the 2nd diagnosis portion detects unusual sign, be adjusted into and carry out alignment processing when next maintenance examination.
5. the abnormity diagnostic system of the elevator put down in writing of claim 1, it is characterized in that: described data gathering portion has the periodic table in the collection cycle of the data of storing, with the predetermined cycle in described each equipment each carried out data gathering with reference to this periodic table, the collection cycle of wherein said data is set respectively in described each equipment each.
6. the abnormity diagnostic system of the elevator put down in writing of claim 5 is characterized in that: described data gathering portion possesses the periodic change portion that change at random is stored in the data gathering cycle of described each equipment in the described periodic table.
7. the abnormity diagnostic system of the elevator put down in writing of claim 1, it is characterized in that: described data gathering portion is for specific equipment, extracts maxim in a plurality of data of collecting with the predetermined cycle, minimum value, aviation value, up-to-date data as sending object.
8. the abnormity diagnostic system of the elevator put down in writing of claim 7 is characterized in that: compare significantly different data with other data in a plurality of data that described data gathering portion will collect with the predetermined cycle and remove.
9. the abnormity diagnostic system of the elevator put down in writing of claim 1, it is characterized in that: connect described 1 diagnostic device on many elevators in being arranged on identical building, carry out 1 diagnostic process of described each elevator by described 1 diagnostic device, separately diagnostic result is sent to described central monitoring position.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007209657A JP2009040585A (en) | 2007-08-10 | 2007-08-10 | Elevator abnormality diagnostic system |
| JP209657/2007 | 2007-08-10 |
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| Publication Number | Publication Date |
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| CN101362568A true CN101362568A (en) | 2009-02-11 |
| CN101362568B CN101362568B (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101449120A Active CN101362568B (en) | 2007-08-10 | 2008-08-07 | Elevator abnormity diagnostic system |
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| CN (1) | CN101362568B (en) |
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| CN103863915A (en) * | 2012-12-10 | 2014-06-18 | 株式会社日立制作所 | Elevator having abnormality diagnosis function |
| CN105900158A (en) * | 2014-01-09 | 2016-08-24 | 富士通株式会社 | Analysis method, analysis program, and analysis device |
| 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 |
| 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 |
| CN108455394A (en) * | 2017-02-20 | 2018-08-28 | 株式会社安川电机 | Elevator rolling inspection method and device, management server and elevator control system |
| CN108529380A (en) * | 2018-03-27 | 2018-09-14 | 深圳市永达电子信息股份有限公司 | Elevator safety prediction technique and system |
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| CN105900158A (en) * | 2014-01-09 | 2016-08-24 | 富士通株式会社 | Analysis method, analysis program, and analysis device |
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| CN109195896B (en) * | 2016-05-24 | 2020-08-07 | 三菱电机株式会社 | Elevator preventive maintenance system |
| 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 |
| 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 |
| CN108455394B (en) * | 2017-02-20 | 2020-07-21 | 株式会社安川电机 | Elevator operation inspection method and device, management server and elevator control system |
| CN108455394A (en) * | 2017-02-20 | 2018-08-28 | 株式会社安川电机 | Elevator rolling inspection method and device, management server and elevator control system |
| CN108529380B (en) * | 2018-03-27 | 2021-01-19 | 深圳市永达电子信息股份有限公司 | Elevator safety prediction method and system |
| CN108529380A (en) * | 2018-03-27 | 2018-09-14 | 深圳市永达电子信息股份有限公司 | Elevator safety prediction technique and system |
| WO2020114315A1 (en) * | 2018-12-05 | 2020-06-11 | 山东科技大学 | Elevator status multi-information fusion diagnosis method |
| CN111942973A (en) * | 2019-05-16 | 2020-11-17 | 株式会社日立制作所 | Elevator control device, robot fault precursor diagnosis system and method thereof |
| CN110155840A (en) * | 2019-05-22 | 2019-08-23 | 安徽奥里奥克科技股份有限公司 | A kind of elevator data acquisition management system |
| CN111026094A (en) * | 2019-12-30 | 2020-04-17 | 中国船舶重工集团公司第七一三研究所 | Fault diagnosis and remote maintenance method and system for platform door system |
| CN111026094B (en) * | 2019-12-30 | 2023-03-17 | 中国船舶重工集团公司第七一三研究所 | Fault diagnosis and remote maintenance method and system for platform door system |
| CN113844969A (en) * | 2020-06-25 | 2021-12-28 | 三菱电机株式会社 | Elevator remote monitoring system |
| CN113844969B (en) * | 2020-06-25 | 2022-12-02 | 三菱电机株式会社 | Elevator remote monitoring system |
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| Publication number | Publication date |
|---|---|
| CN101362568B (en) | 2012-05-30 |
| JP2009040585A (en) | 2009-02-26 |
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