WO2019093613A1 - 엘리베이터 구동부의 예지 보전방법 - Google Patents
엘리베이터 구동부의 예지 보전방법 Download PDFInfo
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- WO2019093613A1 WO2019093613A1 PCT/KR2018/007315 KR2018007315W WO2019093613A1 WO 2019093613 A1 WO2019093613 A1 WO 2019093613A1 KR 2018007315 W KR2018007315 W KR 2018007315W WO 2019093613 A1 WO2019093613 A1 WO 2019093613A1
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- elevator
- driving unit
- driving
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0025—Devices monitoring the operating condition of the elevator system for maintenance or repair
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0037—Performance analysers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B2201/00—Aspects of control systems of elevators
- B66B2201/40—Details of the change of control mode
- B66B2201/402—Details of the change of control mode by historical, statistical or predicted traffic data, e.g. by learning
Definitions
- the present invention relates to an elevator driving method, a driving method, a driving method, a driving method, a driving method, a driving method, a driving method,
- the driving information of the driving unit is collected, the threshold level is set based on the collected information, and the driving information of the driving unit, which is collected in real time, is compared with the set threshold level to detect an abnormal symptom of the driving unit in real time
- the present invention relates to an elevator driving method for an elevator, and more particularly,
- elevators are installed for rapid movement between layers and layers of multi-storied buildings, and installations are continuously increasing due to the increase of high-rise buildings and convenience of use.
- In Korea about 25,000 elevators are newly installed every year, and 2 million units are expected to be installed by 2020.
- the elevator includes a driving unit that drives an elevator car through an elevator car and a rope that accommodate a passenger and move the elevator, a control unit that controls the elevator operation, and a power supply unit that supplies power.
- the driving unit is required to periodically inspect and manage the driving unit so that the safety of the occupant can be easily protected due to the characteristics of an elevator that travels vertically between low and high layers by a mechanical device that substantially drives the elevator.
- the conventional elevator is regularly inspected by a specialist to prevent a safety accident of the elevator, it is difficult to predict the failure of the driving part of the normal elevator in which the inspection period of the elevator is usually 2 years or less, There is a problem that it is difficult to effectively prevent a safety accident of the vehicle.
- the present invention has been made in order to solve all of the above problems, and its object is to provide a driving method of an elevator, which is divided into an elevating and lowering condition of an elevator, The driving information of the driving unit is collected, and the threshold level is set based on the collected information. Then, the driving information of the driving unit, which is collected in real time, is compared with the set threshold level, The present invention provides an elevator driving method for an elevator driving unit that can effectively prevent a safety accident of an elevator due to a failure of the elevator driving unit.
- the driving unit collects and divides the current value (driving information), which changes according to the time of the collected driving unit, into the unlocking period, the starting period, the constant speed period, the stopping period, Since the driving information of the driving unit, which is collected in real time, is compared with the upper and lower limit values of the threshold levels corresponding to the respective sections, it is possible to easily detect a region (device) suspected of having an abnormal symptom in the driving unit,
- the present invention provides a predictive maintenance method for an elevator driving unit capable of performing accurate predictive maintenance of a driving unit of an elevator driving unit and securing excellent reliability of a detection result of an elevator driving unit.
- a predictive maintenance method for an elevator driver comprising: measuring a change in magnitude of a current value according to a time of an elevator when the elevator driver moves up and down in a normal state; Wherein the measured driving information is divided into a driving unit driving information when the elevator is lifted and the driving unit driving information when the elevator is lowered, (S10); and measuring a change in magnitude of a current value according to a time measured in a driving state of the driving unit before a failure of the driving unit occurs when the elevator is elevated, and when the elevator is descending, And the time measured in the driving state of the driving unit And the measured information is divided into the driving unit information at the time of elevator elevation and the driving unit information at the time of the elevator falling, and stored as the base information of the driving unit, And setting a threshold level of a current value according to a time of the driving unit at the time of the elevator elevation and the driving unit at the time of the elevator falling based on the information collected in the base information collection step (S10, S20)
- an unlocking section for releasing a brake lock of an elevator for elevating or lowering an elevator the information on the magnitude of a current value according to the time of the driving section collected in the base information collecting step (S10, S20)
- a lock performing section in which a break lock of the elevator is performed
- an upper limit value and a lower limit value of the threshold level for the unlocking period, the starting period, the constant speed period, the stopping period, and the lock performing period are set,
- a third step S43 of the detecting step S40 an abnormality is detected by comparing an upper limit value and a lower limit value of a threshold level of the current value according to time of the driving unit, which is driven in real time, If the state of the driving unit is detected as a state of caution and the state of the driving unit is formed to exceed the upper limit value of the threshold level or to be less than the lower limit value in the two periods, And detects the state of the driving unit as a dangerous state when the upper limit value of the threshold level is exceeded or less than the lower limit value in three or more intervals.
- the driving unit driving information (change information of the current value according to time) divided into the elevating and lowering conditions of the elevator and the driving information
- the threshold level is set based on the collected information, and then the driving information of the driving unit, which is collected in real time, is compared with a predetermined threshold level to detect an abnormal symptom of the driving unit in real time, thereby performing stable prediction maintenance of the elevator driving unit
- the driving unit collects and divides the current value (driving information), which changes according to the time of the collected driving unit, into the unlocking period, the starting period, the constant speed period, the stopping period, Since the driving information of the driving unit, which is collected in real time, is compared with the upper and lower limit values of the threshold levels corresponding to the respective sections, it is possible to easily detect a region (device) suspected of having an abnormal symptom in the driving unit, It is possible not only to perform precise predictive maintenance of the driving part of the elevator driving part but also to secure an excellent reliability of the detection result of the elevator driving part.
- FIG. 1 is a block diagram of a predictive maintenance method of an elevator driving unit according to an embodiment of the present invention.
- the present invention provides a method for estimating the amount of change in the current value of the elevator driving unit when the elevator driving unit is in a normal state and when the elevator is lowered in a normal state, And the measured driving information is divided into a driving unit driving information when the elevator is elevated and a driving unit driving information when the elevator is lowered, And a controller for measuring a change in magnitude of a current value according to a time measured in a driving state of the driving unit before a failure of the driving unit occurs during elevator elevation, The time measured in the driving state of the driving unit before A second base information collection step of storing the measured information as the base information of the driving unit by dividing the driving unit information at the time of elevator lift and the driving unit information at the time of the elevator down, And a setting step of setting a threshold value of a current value according to a time of the driving unit at the time of elevator elevation and the driving unit at the time of the elevator descent respectively based on the information collected in the base information collection step (S10, S20) A first step S41 of measuring and collecting magnitude
- FIG. 1 is a block diagram showing a method for precaution of an elevator driving unit according to an embodiment of the present invention.
- the precaution method 100 of an elevator driving unit includes a first base information collection step (S10), a second base information collection step (S20), a setting step S30), and a detecting step S40.
- the first base information collecting step (S10) may include measuring a change in magnitude of a current value according to a time of the driving unit when the driving unit lifts the elevator in a normal state, and when the driving unit is in a normal state, And the measured information is divided into the driving unit driving information at the time of elevator elevation and the driving unit driving information at the time of the elevator falling and storing them as the base information of the driving unit.
- the elevator is a structure that continuously raises or lowers the low and high layers. Due to the characteristics of the elevator ascending or descending through the power of the driving unit, the driving information (time It is preferable that the driving information of the driving unit and the driving information of the driving unit are collected when the elevator is lowered when the elevator ascends or descends.
- the elevator since the driving information of the driving unit is different from the driving information of the driving unit when the elevator ascends and descends, the elevator ascends and descends in order to clearly detect an abnormal symptom of the driving unit in real time in the detecting step S40
- the driving information of the driving unit should be collected and compared by distinguishing the condition and the descending condition.
- the driving information of the driving unit in a normal state is collected, and the driving information of the driving unit at the time of elevator ascending and the driving information of the driving unit at the time of descent are separately collected.
- a first step in which the elevator is unlocked from the elevator a second step in which the driving unit is initially driven to lift or lower the elevator, A third step of transferring the elevator to another layer through the driving unit, a step of stopping the driving unit after the completion of the conveyance of the elevator, and a fifth step of performing the brake locking of the elevator.
- the method of the present invention for detecting the abnormality of the driving unit of the elevator according to the precaution method 100 of the elevator driving unit according to the present invention, An unlocking section for releasing the break lock of the elevator for elevating or lowering the elevator by changing the magnitude of the current value according to the time of the driving section collected in the first base information collecting step (S10) A constant speed section in which the current value of the driving section is stabilized and maintained in a predetermined range in the process of elevating or lowering the elevator, and the driving section is stopped to stop the elevator Stop interval and the lock execution interval in which the elevator brake lock is performed, And to gather information.
- the range of the current value recognized in the constant speed section can be set in various ranges in consideration of the conditions such as the size and capacity of the elevator.
- the information collected as described above is based on a threshold level reference value (upper and lower limit values) set for detecting an abnormal symptom of the elevator driving unit in the setting step S30 and the detecting step S40 to be used later.
- a threshold level reference value upper and lower limit values
- the second base information collecting step (S20) may include measuring the size change information of the current value according to the time measured in the driving state of the driving unit before the failure of the driving unit occurs when the elevator is elevated, And the measured information is divided into the driving unit information at the time of elevator elevation and the driving unit information at the time of the elevator falling, As the base information of the driving unit.
- the current value according to time of the driving unit, which is collected in the second base information collecting step (S20), may also be calculated as the unlocking interval, And the performance information is collected by dividing the performance information into performance periods.
- the information thus collected is also based on the threshold level reference values (upper and lower limit values) set for detecting the abnormality of the elevator driving unit in the setting step S30 and the detecting step S40.
- the setting step S30 is a step of setting a threshold level of the current value according to the time of the driving unit at the time of elevator elevation and the driving unit at the time of the elevator down based on the information collected in the base information collection step S10 and S20 to be.
- the detecting step S40 detects an abnormal symptom of the driving unit driven in real time through the first step S41, the second step S42 and the third step S43.
- the first step S41 is a process of collecting driving information of the driving unit in real time in order to check an abnormality of the driving unit when the driving unit is driven for driving the elevator.
- the second step S42 is a step of comparing the measurement information collected in the first step S41 with the base information collected in the first base information collection step S10 to discriminate whether the elevator is ascending or descending.
- the first base information collecting step (S10) And ascending or descending of the elevator can be easily determined through the current value of the driving unit, which is collected in real time based on the received information.
- the third step S43 compares the threshold level of the setting step S30 corresponding to the discrimination information discriminated in the second step S42 with the measurement information collected in the first step S41, Of the patient.
- the driving information of the driving unit collected in real time in the third process (S43) ) Detects the abnormality of the driving unit that is driven in real time in comparison with the threshold level of the driving unit set as the condition for elevating and lowering the elevator.
- the current value according to the time of the driving unit driven in real time is set to the upper limit value of the threshold level set for each section as shown in [ Figure 7] and [ Figure 8]
- the lower limit values are compared with each other to precisely and clearly detect an abnormal symptom of the driving unit.
- the detected indications can be clearly recognized, (Part) suspected to be abnormal in the driving unit can be easily detected through the information, and stable management can be achieved through precise and accurate prediction maintenance of the elevator driving unit.
- the controller may detect the state of the driving unit as an alarm state and detect the state of the driving unit as a dangerous state when the driving state of the driving unit is formed to exceed the upper limit value of the threshold level or lower than the lower limit value in three or more intervals, To be performed effectively.
- the detected information may be transmitted to the elevator manager through a wire / wireless communication method so that prompt action is taken when an abnormal symptom is detected in the elevator.
- an elevator driving method for detecting an abnormal condition of an elevator driving unit is characterized in that the driving unit driving information (variation information of current value according to time) The driving information of the driving unit before the occurrence of the failure is collected, the threshold level is set based on the collected information, and the driving information of the driving unit collected in real time is compared with the set threshold level to detect the abnormal signal of the driving unit in real time.
- the safety of the elevator driving unit can be effectively prevented by performing the safety of the elevator driving unit.
- the driving unit collects and divides the current value (driving information), which changes according to the time of the collected driving unit, into the unlocking period, the starting period, the constant speed period, the stopping period, Since the driving information of the driving unit, which is collected in real time, is compared with the upper and lower limit values of the threshold levels corresponding to the respective sections, it is possible to easily detect a region (device) suspected of having an abnormal symptom in the driving unit, It is possible not only to perform precise predictive maintenance of the driving part of the elevator driving part but also to secure an excellent reliability of the detection result of the elevator driving part.
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
Description
Claims (2)
- 엘리베이터를 승강 또는 하강시키는 구동부의 예지 보전방법에 있어서,상기 구동부가 정상적인 상태에서 엘리베이터를 승강시 상기 구동부의 시간에 따른 전류 값의 크기 변화 정보를 측정하고, 상기 구동부가 정상적인 상태에서 엘리베이터를 하강시 상기 구동부의 시간에 따른 전류 값의 크기 변화 정보를 측정하며, 그 측정된 구동정보는 엘리베이터 승강시의 상기 구동부 구동정보와 엘리베이터 하강시의 상기 구동부 구동정보로 구분하여 각각 상기 구동부의 베이스 정보로 저장하는 제1베이스 정보 수집단계(S10);엘리베이터 승강시 상기 구동부의 고장이 발생하기 전 상기 구동부의 구동 상태에서 측정한 시간에 따른 전류 값의 크기 변화 정보를 측정하고, 엘리베이터 하강시 상기 구동부의 고장이 발생하기 전 상기 구동부의 구동 상태에서 측정한 시간에 따른 전류 값의 크기 변화 정보를 측정하며, 그 측정된 정보는 엘리베이터 승강시의 상기 구동부 정보와 엘리베이터 하강시의 상기 구동부 정보로 구분하여 각각 상기 구동부의 베이스 정보로 저장하는 제2베이스 정보 수집단계(S20);상기 베이스 정보 수집단계(S10,S20)에서 수집된 정보를 기반으로 엘리베이터 승강시의 구동부와 엘리베이터 하강시의 상기 구동부의 시간에 따른 전류 값의 임계 레벨을 각각 설정하는 설정단계(S30);상기 구동부가 구동되면 실시간으로 상기 구동부의 구동 상태에서 측정한 시간에 따른 전류 값의 크기 변화 정보를 측정 수집하는 제1과정(S41), 상기 제1과정(S41)에서 수집된 측정정보를 상기 제1베이스 정보 수집단계(S10)에서 수집된 베이스 정보와 비교하여 엘리베이터의 승강 또는 하강을 판별하는 제2과정(S42)과, 상기 제2과정(S42)에서 판별된 판별정보에 해당하는 상기 설정단계(S30)의 임계 레벨과 상기 제1과정(S41)에서 수집된 측정정보를 비교하여 상기 구동부의 이상징후를 검출하는 제3과정(S43)을 포함하는 검출단계(S40);로 이루어지는 것을 특징으로 하는 엘리베이터 구동부의 예지 보전방법.
- 제 1 항에 있어서,상기 베이스 정보 수집단계(S10,S20)에서 수집되는 상기 구동부의 시간에 따른 전류 값의 크기 변화 정보를 엘리베이터의 승강 또는 하강을 위해 엘리베이터의 브레이크 잠금을 해제하는 잠금 해제구간과, 엘리베이터의 승강 또는 하강을 위해 상기 구동부의 구동이 시작되는 기동구간과, 엘리베이터가 승강 또는 하강하는 과정으로 상기 구동부의 전류 값이 일정한 범위로 안정화되어 유지되는 정속구간과, 엘리베이터의 정지를 위해 상기 구동부의 구동이 정지되는 정지구간과, 엘리베이터의 브레이크 잠금이 수행되는 잠금 수행구간으로 구분하며,상기 설정단계(S30)에서는 상기 잠금 해제구간과 기동구간과 정속구간과 정지구간 및 잠금 수행구간 각각에 대한 임계 레벨의 상한값과 하한값이 설정되며,상기 검출단계(S40)의 제3과정(S43)은 실시간으로 구동되는 상기 구동부의 시간에 따른 전류 값을 구간별로 임계 레벨의 상한값과 하한값을 비교하여 이상징후를 검출하되, 실시간 상기 구동부의 전류 값이 하나의 구간에서 임계 레벨의 상한값을 초과하거나 하한값 미만으로 형성되면 상기 구동부의 상태를 주의상태로 검출하고, 두 개의 구간에서 임계 레벨의 상한값을 초과하거나 하한값 미만으로 형성되면 상기 구동부의 상태를 경보상태로 검출하고, 셋 이상의 구간에서 임계 레벨의 상한값을 초과하거나 하한값 미만으로 형성되면 상기 구동부의 상태를 위험상태로 검출하도록 하는 것을 특징으로 하는 엘리베이터 구동부의 예지 보전방법.
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CN201880003989.8A CN110167860B (zh) | 2017-11-13 | 2018-06-27 | 电梯驱动部的预测维护方法 |
US16/389,648 US11845632B2 (en) | 2017-11-13 | 2019-04-19 | Method of predictively maintaining elevator driving unit |
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KR101867605B1 (ko) * | 2017-11-13 | 2018-07-18 | (주)아이티공간 | 엘리베이터 분석을 통한 예지 보전 및 고효율 운행방법 |
KR102103152B1 (ko) * | 2018-03-14 | 2020-04-22 | (주)아이티공간 | 구동부의 정밀 예지 보전방법 |
KR102103148B1 (ko) | 2018-03-14 | 2020-04-22 | (주)아이티공간 | 구동부의 정밀 예지 보전방법 |
KR102180150B1 (ko) * | 2018-12-27 | 2020-11-17 | (주)아이티공간 | 크레인 안전 관리 시스템 |
WO2020138691A1 (ko) * | 2018-12-27 | 2020-07-02 | 주식회사 아이티공간 | 가공기 툴의 예지 보전방법 |
KR102180148B1 (ko) * | 2018-12-27 | 2020-11-17 | (주)아이티공간 | 가공기 툴의 예지 보전방법 |
EP4313828A1 (en) | 2021-03-23 | 2024-02-07 | KONE Corporation | Method and system for using digital twins for determining need for maintenance of an elevator |
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KR20000020216A (ko) * | 1998-09-18 | 2000-04-15 | 이종수 | 전력 검침이 가능한 엘리베이터 원격 감시 시스템 |
JP2004133553A (ja) * | 2002-10-08 | 2004-04-30 | Toshiba Corp | 設備診断装置 |
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US20190300334A1 (en) | 2019-10-03 |
US11845632B2 (en) | 2023-12-19 |
KR101830036B1 (ko) | 2018-02-19 |
CN110167860A (zh) | 2019-08-23 |
CN110167860B (zh) | 2020-07-31 |
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