CN1754816A - Portable abnormal diagnosis apparatus, lifter abnormal diagnosis system and method - Google Patents
Portable abnormal diagnosis apparatus, lifter abnormal diagnosis system and method Download PDFInfo
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- CN1754816A CN1754816A CN 200510091484 CN200510091484A CN1754816A CN 1754816 A CN1754816 A CN 1754816A CN 200510091484 CN200510091484 CN 200510091484 CN 200510091484 A CN200510091484 A CN 200510091484A CN 1754816 A CN1754816 A CN 1754816A
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Abstract
To easily diagnose abnormality such as vibration and noise, while allowing a worker to move to an optional place of a lift. A measuring sensor 13 is connected to the portable abnormality diagnosing apparatus 12, to measure the vibration and the noise in the optional place of the lift. Data measured by the measuring sensor 13 is analyzed on a frequency by a measuring data analyzing part 15. An abnormality diagnosing part 16 diagnoses the existence of abnormality on the basis of this frequency-analyzed data and data stored in a storage part 14, and diagnoses its abnormal place when the abnormality exists. A diagnostic result provided by this abnormality diagnosing part 16 is outputted via a diagnostic result output part 17. Thus, the abnormality such as the vibration and the noise can be easily diagnosed while allowing the worker to move to the optional place of the lift by using the portable abnormality diagnosing apparatus 12.
Description
Technical field
The present invention relates to for example be used on the elevators such as elevator, escalator, diagnosis vibration and the unusual portable abnormal diagnostic installation of noise, lifter abnormal diagnostic system and abnormality diagnostic method thereof.
Background technology
Generally speaking, elevator such as elevator, escalator in running condition can produce vibration and noise.This kind vibration and noise not only can bring unplessantness displeasure to the passenger, in most cases also can comprise the principal element of some faults.For this reason, the elevator that remains in operation may be associated with major failure.
Usually, after the installation of elevator finishes,, measure its vibration and noise in order to verify the specification condition etc. that is provided with that whether satisfies elevator.Do not produce vibration and noise in this stage as distinguishing, then after this just no longer measuring usually.Therefore, the situation of being leaked unusually such as the vibration at initial stage and noise is a lot.And certain components unusually also can feed through to other parts, exists with the major failure of elevator related possibility takes place.
So, in recent years, proposed a kind of status data of collecting elevator, and monitored that according to this status data (for example, with reference to Japanese patent application, publication number: the spy opens 2001-341956, Fig. 3) for the long-distance service system of lifter abnormal.
Fig. 5 shows the configuration example of elevator long distance maintenance system in the past.
Stride on winch 51 around cable 52, the one end is installed with car 53, and the other end is installed counterweight 58.By the driving of winch 51, car 53 is by cable 52 liftings.
Here, on the floor of car 53, be provided with the acceleration pick-up 54 that is used to detect the vibration data when travelling.By these acceleration pick-up 54 detected vibration datas, after tail rope (tail cord) 55 is sent into control panel 56, send to servicing center 57 through telephone line from this control panel 56.
As described above, former long-distance service system has an acceleration pick-up 54 in that the car floor of car 53 is standing.For this reason, can under often, monitor the vibrational state of car 53.
But, some takes place when unusual, promptly when detecting bigger vibration by acceleration pick-up 54, reason can not be verified in the position that only depends on this vibration detection to go out.At this moment, as the elevator that comprises car 53 acceleration pick-up 54 is set everywhere, then can correctly verify reason, but exist problems such as elevator single-piece Costco Wholesale raising.
Summary of the invention
For this reason, the object of the present invention is to provide and a kind ofly can diagnose vibration and unusual portable abnormal diagnostic installation, lifter abnormal diagnostic system and abnormality diagnostic methods thereof such as noise simply.
The scheme of technical solution problem
(1) portable abnormal diagnostic installation of the present invention has the optional position that is arranged on elevator, the vibration of instrumentation generation or the measurement sensor of noise; Obtain data, and these instrumentation data are carried out the instrumentation data analysis set-up of frequency analysis by described measurement sensor instrumentation; At least store the memory storage of the data relevant with unusual reason position takes place with the abnormal frequency scope; Based on the data that obtain by described instrumentation data analysis set-up be stored in data in the described memory storage and diagnosed no abnormally, and the apparatus for diagnosis of abnormality of diagnosing this unusual reason position that produces when unusual is being arranged; With the diagnostic result output unit of exporting the abnormity diagnosis result who obtains by described apparatus for diagnosis of abnormality.
(2) lifter abnormal diagnostic system of the present invention, the portable abnormal diagnostic installation that moves by portability and form through transmission lines and this portable abnormal diagnostic installation bonded assembly service center.
Described portable abnormal diagnostic installation has and is arranged on the vibration that elevator optional position and instrumentation produce or the measurement sensor of noise; Obtain data, and these instrumentation data are carried out the instrumentation data analysis set-up of frequency analysis by described measurement sensor instrumentation; At least store the memory storage of the data relevant with producing unusual reason position with the abnormal frequency scope; Based on the data that obtain by described instrumentation data analysis set-up be stored in data in the described memory storage and diagnosed no abnormally, and the apparatus for diagnosis of abnormality of diagnosing this unusual reason position that produces when unusual is being arranged; Be used for based on the abnormity diagnosis result who obtains by described apparatus for diagnosis of abnormality, change the sending set of parts to the inquiry of described service center.
Described service center has the inquire response of described replacing parts and confirms that the parts of the Inventory Performance of described replacing parts have or not the affirmation device; Generate expression is had or not the Inventory Performance of the described replacing parts of confirming that device is confirmed by these parts the part relation data generating device of part relation data; With the sending set that will send to described portable abnormal diagnostic installation by the part relation data that this part relation data generating device generates.
(3) lifter abnormal diagnostic method of the present invention vibration that is the instrumentation elevator or noise and by its instrumentation lifter abnormal diagnostic method of diagnosing abnormal as a result, have from the measurement sensor that is arranged on the elevator optional position and obtain the vibration or the instrumentation data of noise, and the data analysis step that these instrumentation data are carried out frequency analysis; Based on the data that obtain by described data analysis step, with be stored in predetermined memory device in abnormal frequency scope and the unusual relevant data in reason position that produce, diagnosis has no abnormal, and the abnormity diagnosis step of diagnosing this unusual reason position that takes place when unusual is being arranged; With the diagnostic result output step of exporting the abnormity diagnosis result who obtains by described abnormity diagnosis step.
The effect of invention
According to the present invention, can diagnose vibration and noise etc. unusual simply.
Description of drawings
Constructional drawing when Fig. 1 is applicable to elevator for lifter abnormal diagnostic system of the present invention.
Fig. 2 is the figure that the inner structure of portable abnormal diagnostic installation of the present invention is shown.
Fig. 3 is the constructional drawing that an example of service center 10 is shown.
Fig. 4 is the diagram of circuit that the treatment step of lifter abnormal diagnostic system of the present invention is shown.
Fig. 5 is the figure that the structure of elevator long distance maintenance system in the past is shown.
The specific embodiment
Below, with reference to accompanying drawing, the working of an invention mode is described.
Constructional drawing when Fig. 1 is applicable to elevator for lifter abnormal diagnostic system of the present invention.
Tail rope 8 one ends are installed in the bottom of car 3, and the other end is installed on the control panel 7.Each signal wire (SW) of sedan operation panel 5, control panel splicing ear 6, light equipment (not shown) is included in this tail rope 8.
In addition, control panel 7 is connected with service center 10 by transmission lines 9.As transmission lines 9, use telephone line, wireless communication line, the Internet wire etc.The maintenance management of elevator is carried out in service center 10, and is connected with parts center 11 by telephone line etc.The parts of elevator are being managed at parts center 11.
12 is the portable abnormal diagnostic installation of wanting portion as the present invention.That portable abnormal diagnostic installation 12 has that the operating personal portability moves is small-sized, the structure of lightweight.In addition, can freely connect the acceleration pick-up 13 that is used for the instrumentation vibration on this portable abnormal diagnostic installation 12 with loading and unloading.This acceleration pick-up 13 is arranged on the optional position of elevator, and will be taken into to portable abnormal diagnostic installation 12 in these data that position instrumentation is set.The instrumentation data of 12 pairs of these acceleration pick-ups 13 of portable abnormal diagnostic installation are carried out dissection process, have no abnormal with diagnosis.
Fig. 2 is the figure that the inner structure of portable abnormal diagnostic installation 12 is shown.
Portable abnormal diagnostic installation 12 has abnormity diagnosis data store 14, instrumentation data analysis portion 15, abnormity diagnosis portion 16, diagnostic result efferent 17, receiving and transmitting part 18, display part 19, chopping machine 20.In addition, abnormity diagnosis illustrates the function of the CPU (control part) that is loaded on this portable abnormal diagnostic installation 12 with data store 14, instrumentation data analysis portion 15, abnormity diagnosis portion 16, diagnostic result efferent 17.
Abnormity diagnosis is pressed each equipment of any number of building (they are distributed ID) arbitrarily with data store 14, prepares its storage area.This abnormity diagnosis is provided with on the instrumentation position of platform etc. with being stored in for example each car floor, winch in the data store 14, with the scope and the unusual relevant data of reason parts or position that take place of the operative condition of elevator (when for example quickening, at the uniform velocity the time, when deceleration etc.), abnormal frequency.These data are for according to past experience or the confirmed data of experiment accumulation, are taking place newly when unusual, and it is updated at every turn.
15 pairs of vibration datas by acceleration pick-up 13 instrumentations of instrumentation data analysis portion carry out Fast Fourier Transform (FFT) or wavelet transformation, and analyze the frequency content of vibration data.
Data that abnormity diagnosis portion 16 will be obtained by instrumentation data analysis portion 15 and abnormity diagnosis with the data of data store 14 relatively, have with diagnosis no abnormal, and, having where diagnosis is reason when unusual.
Diagnostic result efferent 17 will be exported to display part 19 or chopping machine 20 by the abnormity diagnosis result that abnormity diagnosis portion 16 obtains.
Receiving and transmitting part 18 is with under the lead-out terminal (not shown) of portable abnormal diagnostic installation 12 and the control panel splicing ear 6 bonded assembly states, and service center 10 between transmit and receive data.In addition, this receiving and transmitting part 18 has the operative condition data that receive as required from control panel 7 (during acceleration, at the uniform velocity the time, when deceleration speed command data), and temporarily is kept at the function in the buffer memory (not shown).
In addition, even control panel splicing ear 6 specially is not set,,, also can use parts with radio communication function as aforesaid receiving and transmitting part 18 for the transmission of carrying out data receives.
Fig. 3 is the constructional drawing that an example of service center 10 is shown.In addition, said here service center 10 is to comprise the computing machine that is arranged in the service center 10.Like this too for parts center 11.
Maintenance service management DB 21 has production plan data portion 21a and operation resume data portion 21b as a result.In production plan data portion 21a, for example time job date, operator's name and data such as ID, building ID have been stored.In addition, also can append device id, have or not, keep in repair data such as time Close Date unusually.In operation as a result among the resume data portion 21b, stored device id, unusually the data of having or not of time on instrumentation date, out-of-the way position or parts, parts etc. have taken place each building.
In addition, in this maintenance service management DB 21, though not special diagram has also been stored the data of the job step of part replacement or set-up procedure etc.
Receiving and transmitting part 22 and control panel 7 between carry out data transmission receive.Say that at length receiving and transmitting part 22 receives inquiry from portable abnormal diagnostic installation 12 and changes the data that parts have or not, and, send to portable abnormal diagnostic installation 12 with changing the relevant data of parts with this.
Parts have or not confirmation unit 24 relative parts centers 11 to confirm to have or not the processing of changing parts.
Receiving and transmitting part 25 and parts center 11 between carry out data transmission receive.Say that at length the relative parts centers 11 of receiving and transmitting part 25 send inquiry and have or not the data of changing parts, and from the parts center 11 receptions to the answer data of this inquiry.As answer data, comprise and have or not the data such as dispensing situation of changing parts stock or parts.
Part relation data generating unit 26 generates the parts associated data based on the answer data from parts center 11.In these part relation data, change parts or this and change the dispensing situation of parts, also contain the data such as replacing job step of the parts that obtain from maintenance service management DB 21 except that having or not.
Have again, data recording section 23 when accepting the data of changing parts are arranged, to operation as a result the parts of resume data portion 21b have or not the data of this content of record expression in the zone.
Below, the action of lifter abnormal diagnostic system of the present invention is described.
Fig. 4 is the diagram of circuit that the treatment step of lifter abnormal diagnostic system of the present invention is shown.
When periodic inspection, perhaps, when by elevator management person circular unusual generation being arranged, the operator is being with portable abnormal diagnostic installation 12 to go to the elevator setting scene.At the elevator setting scene, maintenance operator degree of will speed up sensor 13 is connected with portable abnormal diagnostic installation 12.Then, this acceleration pick-up 13 is arranged on the floor of car 3 for example, and car 3 is travelled.
At this moment, by predetermined operation, to portable abnormal diagnostic installation 12 input instrumentation positions.Be arranged under the situation of the floor of car 3 at for example degree of will speed up sensor 13, as instrumentation position input " car floor ".Thus, portable abnormal diagnostic installation 12 is carried out following processing.
That is, portable abnormal diagnostic installation 12 reads the vibration data of aforementioned instrumentation position from acceleration pick-up 13, carries out Fast Fourier Transform (FFT) or wavelet transformation to analyze the frequency content (S1: data analysis step) of vibration data with instrumentation data analysis portion 15.
Next, the frequency content of portable abnormal diagnostic installation 12 vibration data that will obtain as analysis result by instrumentation data analysis portion 15 is given and abnormity diagnosis portion 16.At abnormity diagnosis portion 16 places, with data store 14, whether the frequency content of judging the vibration data that obtains as analysis result enters (S2: the abnormity diagnosis step) in the scope of the abnormal frequency in aforementioned instrumentation position with reference to abnormity diagnosis.Best, under the state of the operative condition that has attached car 3, judge whether to enter in the scope of abnormal frequency.
Under the situation in the frequency content of the vibration data that obtains as aforementioned analysis result enters the scope of abnormal frequency, abnormity diagnosis portion 16 has been diagnosed as unusually.In addition, having when unusual, abnormity diagnosis portion 16 is cooresponding with this abnormal frequency scope with data store 14 retrievals from abnormity diagnosis, become parts and position that abnormal cause takes place.Reason parts that this generation that retrieves is unusual and position are displayed on (S3: diagnostic result output step) on the display part 19 by diagnostic result efferent 17.
So, just by will for example being arranged at optional position such as car floor with portable abnormal diagnostic installation 12 bonded assembly acceleration pick-ups 13, can be according to having diagnosed no abnormal simply by the vibrational waveform that travels of these acceleration pick-up 13 instrumentations, have again, can promptly distinguish the parts and the position of causing abnormal cause.
And, even the operator does not analyze the special knowledge and experience of the vibrational waveform that travels of elevator, also can check out the unusual parts and the out-of-the way position of elevator exactly.
In addition, have when unusual, be speculated as the parts of its abnormal cause and position display on display part 19.So, be arranged on the parts and the position of this demonstration as degree of will speed up sensor 13, and with the aforementioned portable abnormal diagnostic installation 12 instrumentation vibrational waveforms that similarly use, then can more properly judge unusually.Consequently, can be corresponding to unusual degree, only simply adjust by for example carrying out the fastening again grade of screw, just can easily remove unusually in this place.
Have again, in the time must changing parts, also can change the inquiry of parts to service center 10 by portable abnormal diagnostic installation 12 is connected with control panel splicing ear 6.
At this moment, according to operations of operators, contain the point data singularly of operator ID, building ID, device id and be used to inquire and have or not the data of changing parts to send by the receiving and transmitting part 18 of portable abnormal diagnostic installation 12 together.Data from this receiving and transmitting part 18 sends after tail rope 8 gives control panel 7, send service center 10 from control panel 7 to through transmission lines 9.
Following processing is just carried out in case receive the inquiry data of changing parts that have or not of following point data singularly through receiving and transmitting part 22 in service center 10.
Promptly, service center 10 at first, by data recording section 23, the operator ID that stores in will the production plan data portion 21a by maintenance service management DB 21 contrasts with receiving the operator ID that is comprised in the data, confirms it whether is inquiry from normal operations person.If from normal operations person's inquiry, then as a result among the resume data portion 21b, data are recorded in device id, take place in time on instrumentation date, parts and place projects unusually in the operation of the building ID that meets.
Next, service center 10 execution units have or not confirmation unit 24.These parts have or not confirmation unit 24 to send to parts center 11 by containing the inquiry data that having or not of building ID, device id change parts through receiving and transmitting part 25, confirm to have or not the parts (S4: parts have or not confirms step) of replacing.
In parts center 11, in store parts stock guide look data.Parts center 11 uses these parts stock guide look data to investigate the Inventory Performance of parts, and sends its result to service center 10.In addition, as parts in stock, then determine to be based on building ID, device id,, perhaps, entrust service center 10 to carry out parts dispensing etc., and send its result to service center 10 still by urgent approach dispensing on the spot with common approach dispensing.
At this, when service center 10 has or not confirmation unit 24, to generate the parts associated datas and send to portable abnormal diagnostic installation 12 (S5: the part relation data generate step) by part relation data generating unit 26 11 when receiving data from the parts center through receiving and transmitting part 25 and parts.In these part relation data, have the free of data, dispensing status data (provide and deliver/promptly bring into usually/parts preparation etc.), also comprise the part replacement job step data that for example obtain from maintenance service management DB 21 except that changing part library.
Portable abnormal diagnostic installation 12 10 when receiving the part relation data, is presented at display part 19 on (S6: part relation data displaying) with it from the service center.From this displaying contents can confirm to change that parts have or not, the replacing job step of dispensing situation, parts etc.
So, when needs are changed parts, portable abnormal diagnostic installation 12 is connected with control panel splicing ear 6,10 transmissions have or not the inquiry data of changing parts to the service center by predetermined operation.In service center 10, the Inventory Performance at investigation parts center 11, and return data such as the having or not of this replacings parts, dispensing situation, replacing job step to portable abnormal diagnostic installation 12.
Therefore, operator at the scene can confirm to have or not the replacing parts in its position.In addition, under the urgent situation of needs,, then can accept parts at the scene and change operation if send the data of these meanings of expression to service center 10.
In addition, because the operator obtains the replacing job step data of its parts, therefore can be smooth and easy and inerrably carry out the replacing of parts.In addition, not only can comprise the data relevant in these replacing job step data, also can comprise the relevant data of adjustment operation with unusual place with the replacing operation of parts.
The present invention is not limited to above-mentioned embodiment, can implement various distortion in the scope that does not break away from its main idea.
(1) in the above-described embodiments, be used to carry out abnormality diagnostic minimal data owing to set in data store 14 at abnormity diagnosis, even so when abnormal vibrations for example takes place, also exist situation about not being inconsistent with data with abnormity diagnosis.
For this reason, can not determine under the situation of abnormal cause also to have the relevant guiding function of method of adjustment (for example increasing and decreasing the ride gain of control panel etc.) with the inspection method in vibration measuring method (for example indication of instrumentation position, different mapping mode selected etc.), unusual place (for example under the bad situation of the balance of pulley (sheave) apply filler (putty) back check etc.), unusual place.Like this, can further improve the abnormity diagnosis result, and can solve unusual at the scene apace.
(2) in addition, in the above-described embodiment, adopted specialized equipment, but also can use general-duty notebook personal computer with software function identical with Fig. 2 as portable abnormal diagnostic installation 12.That is to say, in recent years, be portable notebook type Personal Computer as the Personal Computer main flow, it can be used as portable abnormal diagnostic installation 12.
(3) have again, in the foregoing description, being degree of will speed up sensor 13 is connected to come the vibration data of the optional position of instrumentation elevator with portable abnormal diagnostic installation 12, but also can constitute the sensor that for example connects the instrumentation noise and replace acceleration pick-up 13, by same main points, the noise data of instrumentation elevator optional position also carries out abnormity diagnosis.
In addition, if degree of will speed up sensor 13 alternately or side by side is connected with portable abnormal diagnostic installation 12 with sensor noise (not shown) and carries out abnormity diagnosis, then can determine out-of-the way position and unusual parts more accurately.
(4) in addition, the present invention not only can be used for diagnosing the unusual of elevator, also can easily be applicable to the abnormity diagnosis of escalator.
Claims (7)
1, a kind of portable abnormal diagnostic installation is characterized in that having:
Measurement sensor is arranged on the optional position of elevator, vibration or noise that instrumentation produces;
The instrumentation data analysis set-up is obtained the data by described measurement sensor instrumentation, and these instrumentation data are carried out frequency analysis;
Memory storage, storage and abnormal frequency scope and the unusual relevant data in reason position that produce at least;
Apparatus for diagnosis of abnormality based on the data that obtain by described instrumentation data analysis set-up be stored in data diagnosis in the described memory storage and have no abnormally, and is having this unusual reason position that produces of diagnosis under the unusual situation; And
Output unit, the abnormity diagnosis result that output obtains by described apparatus for diagnosis of abnormality.
2, according to the described portable abnormal diagnostic installation of claim 1, it is characterized in that,
In described memory storage, by each location storage that becomes the instrumentation object and abnormal frequency scope and the unusual relevant data in reason position that produce;
Described apparatus for diagnosis of abnormality from described memory storage, read about with the data of set cooresponding abnormal frequency scope in position of described measurement sensor and the unusual reason position that produces, the reason position of no abnormal and unusual generation is arranged with diagnosis.
3, a kind of lifter abnormal diagnostic system, the portable abnormal diagnostic installation that is moved by portability and constitute through transmission lines and this portable abnormal diagnostic installation bonded assembly service center is characterized in that,
Described portable abnormal diagnostic installation has:
Measurement sensor is arranged on the elevator optional position, vibration or noise that instrumentation produces;
The instrumentation data analysis set-up is obtained the data by described measurement sensor instrumentation, and these instrumentation data are carried out frequency analysis;
Memory storage, storage and abnormal frequency scope and the unusual relevant data in reason position that produce at least;
Apparatus for diagnosis of abnormality based on the data that obtain by described instrumentation data analysis set-up be stored in data diagnosis in the described memory storage and have no abnormally, and is having this unusual reason position that produces of diagnosis under the unusual situation; And
Sending set is used for the abnormity diagnosis result that basis obtains by described apparatus for diagnosis of abnormality, changes parts to the inquiry of described service center;
Described service center has:
Parts have or not the affirmation device, the inquiry of described replacing parts is replied, and confirm the Inventory Performance of described replacing parts;
The part relation data generating device generates expression has or not the described replacing parts Inventory Performance of confirming that device is confirmed by these parts part relation data; And
Sending set will be sent to described portable abnormal diagnostic installation by the part relation data that this part relation data generating device generates.
4, according to the described lifter abnormal diagnostic system of claim 3, it is characterized in that,
Described part relation data generating device in stock under the situation, generates data in stock at described replacing parts, and generates and comprise with the dispensing situation of described replacing parts and change the part relation data of the relevant data of job step.
5, a kind of lifter abnormal diagnostic method, the vibration of instrumentation elevator or noise, and, it is characterized in that having by its instrumentation diagnosing abnormal as a result:
Data analysis step obtains the instrumentation data of vibration or noise from the measurement sensor of the optional position that is arranged on elevator, and these instrumentation data are carried out frequency analysis;
The abnormity diagnosis step, based on the data that obtain by described data analysis step be stored in predetermined memory device in abnormal frequency scope and the unusual relevant data in reason position that produce, diagnosis has no abnormal, and this unusual reason position that produces of diagnosis under the unusual situation is being arranged; And
Diagnostic result output step, the abnormity diagnosis result that output obtains by described abnormity diagnosis step.
6, according to the described lifter abnormal diagnostic method of claim 5, it is characterized in that also having:
Parts have or not the affirmation step, based on the abnormity diagnosis result who obtains by described abnormity diagnosis step, change at needs under the situation of parts, confirm the Inventory Performance of these replacing parts;
The part relation data generate step, generate expression has or not the Inventory Performance of the described replacing parts of confirming that step is confirmed by these parts part relation data; And
The part relation data displaying shows by these part relation data to generate the part relation data that step generates.
7, according to the described lifter abnormal diagnostic method of claim 6, it is characterized in that,
Described part relation data generate step and, generate data in stock, and generate dispensing situation that comprises described replacing parts and the part relation data of changing the data of job step in stock under the situation at described replacing parts.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP280734/2004 | 2004-09-27 | ||
| JP2004280734 | 2004-09-27 |
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| Publication Number | Publication Date |
|---|---|
| CN1754816A true CN1754816A (en) | 2006-04-05 |
| CN100431938C CN100431938C (en) | 2008-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100914846A Expired - Fee Related CN100431938C (en) | 2004-09-27 | 2005-08-12 | Portable abnormal diagnosis apparatus, lifter abnormal diagnosis system and method |
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| CN101362568B (en) * | 2007-08-10 | 2012-05-30 | 东芝电梯株式会社 | Elevator abnormity diagnostic system |
| CN102491140A (en) * | 2011-12-27 | 2012-06-13 | 阳西县电梯配件有限公司 | Characteristic-signal-based elevator safety checking device and elevator safety checking method |
| CN101902901B (en) * | 2009-03-30 | 2012-08-29 | 株式会社日立高新技术仪器 | Calculating device, member assembling device, program and calculating method |
| CN103303758A (en) * | 2012-03-15 | 2013-09-18 | 株式会社日立制作所 | A method for diagnosing abnormal sound of an elevator, a device employing the method and an elevator employing the device |
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| CN101362568B (en) * | 2007-08-10 | 2012-05-30 | 东芝电梯株式会社 | Elevator abnormity diagnostic system |
| CN101902901B (en) * | 2009-03-30 | 2012-08-29 | 株式会社日立高新技术仪器 | Calculating device, member assembling device, program and calculating method |
| CN102491140A (en) * | 2011-12-27 | 2012-06-13 | 阳西县电梯配件有限公司 | Characteristic-signal-based elevator safety checking device and elevator safety checking method |
| CN103303758A (en) * | 2012-03-15 | 2013-09-18 | 株式会社日立制作所 | A method for diagnosing abnormal sound of an elevator, a device employing the method and an elevator employing the device |
| CN103303758B (en) * | 2012-03-15 | 2016-01-20 | 株式会社日立制作所 | The abnormal sound diagnostic method of elevator, its device used and there is the elevator of this device |
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| CN104418196A (en) * | 2013-09-02 | 2015-03-18 | 东芝电梯株式会社 | Mobile terminal device for elevator maintenance work |
| CN106537111A (en) * | 2014-07-18 | 2017-03-22 | Ntn株式会社 | Machine component diagnosis system and server thereof |
| CN106185507A (en) * | 2015-03-10 | 2016-12-07 | 东芝电梯株式会社 | Maintenance work auxiliary device, system and the method for elevator |
| CN106185507B (en) * | 2015-03-10 | 2019-03-01 | 东芝电梯株式会社 | Maintenance work auxiliary device, system and the method for elevator |
| US10676318B2 (en) | 2016-11-30 | 2020-06-09 | Inventio Ag | Configuring accessing right to elevator control system |
| CN108689262A (en) * | 2017-03-31 | 2018-10-23 | 奥的斯电梯公司 | The dynamic elevator service request that passenger initiates |
| CN108689262B (en) * | 2017-03-31 | 2021-12-17 | 奥的斯电梯公司 | Passenger initiated dynamic elevator service request |
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| CN109969892A (en) * | 2019-04-01 | 2019-07-05 | 日立楼宇技术（广州）有限公司 | A kind of processing method and relevant device based on elevator light curtain |
| CN110683443A (en) * | 2019-09-26 | 2020-01-14 | 宁夏电通物联网科技股份有限公司 | Elevator vibration detection and fault pre-judgment system and method |
| CN112408135A (en) * | 2020-02-23 | 2021-02-26 | 黄俊龙 | Equipment data exception management method based on remote monitoring |
| JP2021151902A (en) * | 2020-03-24 | 2021-09-30 | 株式会社日立ビルシステム | Inspection device and inspection method of elevator |
| JP7142662B2 (en) | 2020-03-24 | 2022-09-27 | 株式会社日立ビルシステム | Elevator inspection device and inspection method |
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