CN101513970B - Elevator control apparatus and control method - Google Patents
Elevator control apparatus and control method Download PDFInfo
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Abstract
The invention provides an elevator control apparatus and a control method therefore, which is capable of greatly reducing needed time for diagnosis operation after control operation when earthquake occurs, and greatly reducing damage to the elevator due to diagnosis operation implementation. As a solving method, when the elevator is in control operation in earthquake, the cage advancing speed is set at a first diagnosis speed, a first threshold value is set as the threshold for judging no abnormity, and the diagnosis operation is started. Moreover, after the diagnosis operation is started, when abnormity is detected according to the first threshold value, the cage advancing speed is set at a second diagnosis speed slower than the first diagnosis speed, a second threshold value with abnormity detection stage higher than the first threshold value is set as the threshold value, and diagnosis operation continues.
Description
Technical field
The present invention relates to when implementing earthquake, behind the controlled operation, implement to be used for making elevator again elevator control gear and the control method of the diagnosis running of entry into service.
Background technology
When having earthquake in the elevator of controlled operation function, when earthquake detector detects shaking of earthquake, according to the scale (acceleration/accel of building etc.) of this earthquake, stop the rescue running of nearest floor etc.And, realized recently having the technology of following functions, after the earthquake, in order again to begin as early as possible the running of elevator, when earthquake, behind the controlled operation, under predetermined condition, implement the diagnosis running, any when unusual when in this diagnosis running, not detecting, elevator is recovered automatically.
Prior art as the elevator with above-mentioned functions has proposed following scheme, in the diagnosis running when earthquake behind the controlled operation, make the car of elevator and only reduce gait of march (for example with reference to patent documentation 1) at height interlaced with each other to focusing in the hoistway.In the scheme of patent documentation 1 record, just in case when car and counterweight conflict in the diagnosis running, also can relax significantly this impact.
[patent documentation 1] TOHKEMY 2007-145472 communique
In the diagnosis when earthquake, implemented behind the controlled operation running, monitor the current value (torque value) of elevator traction machine and detect the detected value etc. of the scale device that the load-carrying in the car loads that when this measured value exceeded predetermined scope, detecting as elevator had unusually.And, when in diagnosis running, detecting elevator unusual, make the car emergent stopping, be suppressed to Min. with the damage that elevator is suffered.
In the past, in order to shorten from detecting the unusual rear until travel distance that car stops fully, the slow a lot of speed of gait of march (command speed) the when gait of march of the car during with the diagnosis running is set as than common running.But, if will diagnose the gait of march in when running to set slowly, then in the diagnosis running, do not detect anyly when unusual, it is significantly slow to cause to the recovery of normal operation.Especially grow in the elevator of (high-lift) at lifting travel, exist the diagnosis running to need the long period, recover significantly slow problem.
In addition, if accelerate the gait of march of diagnosis running, then cause from detecting unusual afterwards until the travel distance that car stops fully is elongated, might make elevator suffer larger damage.The impact of the technology of patent documentation 1 record when relaxing conflict only makes car and reduces gait of march to focusing on the height interlaced with each other, when car and equipment during in position conflict in addition, can not address the above problem.
Summary of the invention
The present invention proposes in order to solve above-mentioned situation, its purpose is, a kind of elevator control gear and control method are provided, diagnosis in the time of can significantly shortening earthquake behind the controlled operation is turned round the needed time, and because the shaking so that during the elevator abnormal, also can significantly alleviate elevator owing to implement the damage that diagnosis is turned round and is subject to of earthquake.
Elevator control gear of the present invention is when earthquake behind the controlled operation, implement to be used for making the again diagnosis running of entry into service of elevator, described elevator control gear has: diagnosis speed detection unit, the gait of march of the car when it selects the diagnosis running from the 1st diagnosis speed and slow-footed the 2nd diagnosis speed of Bi Di 1 diagnosis; Threshold determination section, it than the 2nd high threshold value of the 1st threshold value, selects to be used for to be determined with N/R threshold value from the 1st threshold value and abnormality detection grade when the diagnosis running; Abnormity detection portion, it according to the threshold value of being selected by threshold determination section, detects the unusual of elevator when the diagnosis running; With the diagnosis operation control section, it controls the diagnosis running according to the diagnosis speed of being selected by diagnosis speed detection unit, abnormity detection portion do not detect unusual during, the 1st diagnosis speed and the 1st threshold value are selected by diagnosis speed detection unit and threshold determination section, detect when unusual in abnormity detection portion, the 2nd diagnosis speed and the 2nd threshold value are selected by diagnosis speed detection unit and threshold determination section.
Elevator control method of the present invention is when earthquake behind the controlled operation, implement to be used for making the again diagnosis running of entry into service of elevator, described elevator control method may further comprise the steps: when earthquake behind the controlled operation, the gait of march of car is set as the 1st diagnosis speed, to be the 1st threshold value be used to being determined with N/R Threshold, and begin to diagnose the step of running; And after diagnosis running beginning, according to the 1st threshold test when unusual, the gait of march of car is set as than slow-footed the 2nd diagnosis speed of the 1st diagnosis, sets the threshold to abnormality detection grade 2nd threshold value higher than the 1st threshold value, and continue the step of diagnosis running.
According to the present invention, the diagnosis in the time of can significantly shortening earthquake behind the controlled operation is turned round the needed time, and because the shaking so that during the elevator abnormal, also can significantly alleviate elevator owing to implement the damage that diagnosis is turned round and is subject to of earthquake.
Description of drawings
Fig. 1 is the integral structure figure of the elevator control gear of expression embodiments of the present invention 1.
Fig. 2 is the diagram of circuit of action of the elevator control gear of expression embodiments of the present invention 1.
Fig. 3 is the diagram of circuit of action of the elevator control gear of expression embodiments of the present invention 2.
Fig. 4 is the diagram of circuit of action of the elevator control gear of expression embodiments of the present invention 3.
Label declaration
1 car; 2 counterweights; 3 main ropes; 4 drive rope sheave; 5 hoisting motors; 6 control setups; 7 storage parts; 8 threshold determination sections; 9 abnormity detection portion; 10 diagnosis speed detection units; 11 diagnosis operation control section; 12 equipment class sensor class.
The specific embodiment
In order to more specifically describe the present invention, describe with reference to accompanying drawing.In addition, to part identical or suitable in each accompanying drawing mark same numeral, and suitably simplify or omit its repeat specification.
Embodiment 1
Fig. 1 is the integral structure figure of the elevator control gear of expression embodiments of the present invention 1.This elevator is provided with not shown earthquake detector, and has when this earthquake detector detects the earthquake of pre-determined size, the function of controlled operation when making passenger in the lift car escape the earthquake of car outside.And this elevator also has and is carrying out after the earthquake be used to making elevator automatically revert to the function of the diagnosis running of common running.At elevator after controlled operation stops during owing to earthquake, just begin above-mentioned diagnosis running when the condition of predetermined (having or not passenger etc. in such as the scale of the earthquake that detects, car) is set up, above-mentioned diagnosis operates at the abnormality detection of carrying out various device when car is advanced.
In Fig. 1,1 is illustrated in the car of lifting in the elevator hoistways, 2 are illustrated in the hoistway and the counterweight of car 1 reversing sense lifting, the main rope of car 1 and counterweight 2 is hung in 3 expressions in the transfusion bottle mode, the reeled driving rope sheave of elevator traction machine of a part of main rope 3 of 4 expressions, 5 expressions make and drive the hoisting motor that rope sheave 4 rotated and made the towing machine of car 1 lifting, the control setup of the overall operation control of the elevators such as control of the responsible towing machine of 6 expressions.Control setup 6 has except the common running of elevator, the function of the various runnings of controlled operation, diagnosis running when also controlling above-mentioned earthquake.
Control setup 6 is provided with for example storage part 7, threshold determination section 8, abnormity detection portion 9, diagnosis speed detection unit 10 and diagnosis operation control section 11.
In storage part 7, store the gait of march (below be also referred to as " diagnosis speed ") of the car 1 in when running diagnosis and be used for when the diagnosis running, being determined with N/R threshold value.Specifically, in storage part 7, store two kinds of speed as diagnosis speed: the 1st diagnosis speed that the gait of march during with common running (command speed) is identical or slightly slower than command speed (for example 30～60m/min) and diagnose slow-footed the 2nd diagnosis speed (for example 4m/min) than the 1st.And, in storage part 7, store the two kinds of values (scope) as threshold value: predetermined the 1st threshold value and abnormality detection grade 2nd threshold value higher than the 1st threshold value.
Abnormity detection portion 9 has the threshold value that basis is selected by threshold determination section 8 when the diagnosis running, detects the unusual function of elevator.Specifically, the threshold value that 9 pairs of abnormity detection portion are selected by threshold determination section 8 and compare from the measured value (such as the torque value of hoisting motor 5, the measured value of scale device etc.) of various device and sensor class 12 detects the unusual of elevator thus.In addition, being used for being determined with N/R above-mentioned threshold value and also can being the value for specialized range, can also be the numerical value for the such side's of set upper limit value or lower limit value.When threshold value is value for specialized range, for example the measured value from equipment class and sensor class 12 exceed a reference value (reference mode) launch up and down certain limit the time, detect unusual for elevator by abnormity detection portion 9.
In addition, as mentioned above, abnormity detection portion 9 according to the 2nd threshold test when unusual, compare according to the unusual situation of the 1st threshold test, abnormality detection grade (abnormality detection precision) improves.Therefore, for example when threshold value was value for the set upper limit value, above-mentioned the 2nd threshold value was the value greater than the 1st threshold value.Equally, when threshold value was value for the regulation lower limit, above-mentioned the 2nd threshold value was the value less than the 1st threshold value.And when threshold value was value be used to the preset range of the upper inferior expansion that is defined in a reference value, above-mentioned the 2nd threshold value was got the scope greater than the 1st threshold value.Therefore, when the abnormality detection grade is set lowlyer (when the 1st threshold value is selected by threshold determination section 8), even (when the 2nd threshold value is selected by threshold determination section 8) abnormity detection portion 9 does not detect in the unusual situation when the abnormality detection grade is set highlyer, sometimes also detecting is the unusual of elevator.
Diagnosis speed detection unit 10 has the function of the speed of the car 1 when judging the diagnosis running.Specifically, diagnosis speed detection unit 10 is selected an optimal side according to predetermined condition from above-mentioned the 1st diagnosis speed and the 2nd diagnosis speed.
Diagnosis operation control section 11 has the diagnosis speed selected according to the testing result of predetermined operation program and abnormity detection portion 9 and by diagnosis speed detection unit 10 etc., the function of control holistic diagnosis running.
Below, specify the action of the elevator control gear 6 with said structure according to Fig. 2.Fig. 2 is the diagram of circuit of action of the elevator control gear of expression embodiments of the present invention 1.
When earthquake behind the controlled operation when predetermined condition is set up, control setup 6 begins the diagnosis running.In the diagnosis running, at first reduce the threshold value that abnormality detection is used, implement at a high speed diagnosis (S101).Specifically, the gait of march of car 1 is set as the 1st diagnosis speed, sets the threshold to the 1st threshold value.That is, the 1st diagnosis speed and the 1st threshold value are set to initial value.And, car 1 is advanced with the 1st diagnosis speed, carry out abnormality detection (S102) according to the 1st threshold value simultaneously.
After beginning diagnosis running, all do not detect till the destination (the final floor of diagnosis running) when unusual arriving by the end of car 1, only carry out above-mentioned high speed diagnosis, just finish diagnosis running (S103).That is, after beginning the diagnosis running, if do not detect unusually according to the 1st threshold value, then once do not change diagnosis speed and threshold value yet, just finish the diagnosis running.Therefore, in this case, threshold determination section 8 selects the 1st threshold value all the time, and diagnosis speed detection unit 10 is selected the 1st diagnosis speed all the time, until the diagnosis running finishes.
On the other hand, detect in S102 when unusual, diagnosis operation control section 11 at first makes car 1 stop (S104).Then, to threshold determination section 8 output threshold value switching signals, to diagnosis speed detection unit 10 output speed switching signals, improve thus the threshold value that abnormality detection is used, implement low speed diagnosis (S105).Specifically, after car 1 stops, the gait of march of car 1 is set as the 2nd diagnosis speed, sets the threshold to the 2nd threshold value.And, after the setting of finishing diagnosis speed and threshold value, car 1 is advanced with the 2nd diagnosis speed, carry out abnormality detection (S106) according to the 2nd threshold value simultaneously.
In the high speed diagnosis of in S101, implementing, unusual rear until the travel distance that car 1 stops fully (stopping distance) is elongated from detecting.Therefore, the damage that is subject in order to reduce as much as possible elevator must be lower with the abnormality detection level setting.That is, suppose elevator because when shaking of earthquake and abnormal, can detect as soon as possible also that this is unusual, can do sth. in advance the deceleration time opening of car 1.But, in above-mentioned high speed diagnosis, because the abnormality detection level setting must be lower, so produce easily error detection.Therefore, in S105, again improve and set the abnormality detection grade, implement the low speed diagnosis.In S102, detect the setting of unusual time change diagnosis speed and threshold value and continue the diagnosis running and do not stop the diagnosis running at once.And, in S106, again detect when unusual, stop diagnosis running (S107).
Select under the state of the 2nd threshold values and the 2nd diagnosis speed in threshold determination section 8 and diagnosis speed detection unit 10, in S106, do not detect unusual and car 1 has arrived in the situation of destination, directly finish diagnosis turn round (S108).And, finish be set as the 2nd threshold value and the 2nd diagnosis speed after, car 1 advance the schedule time (or preset distance) during in do not detect when unusual, in order again to begin high-speed operation, the gait of march of car 1 is set as the 1st diagnosis speed, sets the threshold to the 1st threshold value (S109～S101).
According to the embodiment of the present invention 1, the diagnosis in the time of can significantly shortening earthquake behind the controlled operation is turned round the needed time.That is, the diagnosis running is to carry out at a high speed basically.Especially do not have to shake owing to earthquake at elevator and occur only to carry out high-speed operation in any unusual situation, so can significantly shorten the diagnosis needed time of running.Therefore, for the elevator that lifting travel is grown, be special actv. means.
And, in diagnosis at a high speed, must be lower with the abnormality detection level setting, so at elevator owing to when shaking of earthquake and abnormal, car 1 is stopped.Therefore, by implementing the diagnosis running, elevator is not sustained damage, also can significantly alleviate this damage when supposing to sustain damage.
In addition, in diagnosis at a high speed, detect when unusual, must be higher with the abnormality detection level setting, then carry out the low speed diagnosis.Therefore, can guarantee and whole stroke is carried out identical abnormality detection precision and safety of low speed when diagnosis.And, after the low speed diagnosis of carrying out preset distance (or schedule time), if in this low speed diagnosis, do not detect unusually, then revert at a high speed diagnosis.Therefore, in the situation of contacting of the hooking that rope and cable do not occur, equipment etc., can expect to shorten the diagnosis running.
Fig. 3 is the diagram of circuit of action of the elevator control gear of expression embodiments of the present invention 2.In Fig. 3, the action of S201～S204 is identical with the action of S101～S104 shown in Figure 1, so the description thereof will be omitted.
After car 1 was stopped, diagnosis operation control section 11 made direct of travel counter-rotating, and made car 1 preset distance of advancing, and again made car 1 stop (S205).After car 1 is stopped again, to threshold determination section 8 output threshold value switching signals, to diagnosis speed detection unit 10 output speed switching signals, improve thus the threshold value that abnormality detection is used, implement low speed diagnosis (S206).That is, car 1 is stopped again after, the gait of march of car 1 is set as the 2nd diagnosis speed, set the threshold to the 2nd threshold value.And, begin again to make the direct of travel counter-rotating from S205, and car 1 is advanced with the 2nd diagnosis speed, carry out abnormality detection according to the 2nd threshold value simultaneously.
The later action of the later action of S207 and S106 shown in Figure 1 is identical.
According to the embodiment of the present invention 2, detect when unusual at S202, after car 1 is advanced certain distance to Return-ing direction, the diagnosis of beginning low speed.Therefore, can under state that must be higher with the abnormality detection level setting, again diagnose and in S202, detect unusual position, can carry out reliably abnormality detection.
In addition, the performance effect identical with embodiment 1 also.
Embodiment 3
Fig. 4 is the diagram of circuit of action of the elevator control gear of expression embodiments of the present invention 3.In Fig. 4, the action of S301～S303 is identical with the action of S101～S103 shown in Figure 1, so the description thereof will be omitted.
Detect in S302 when unusual, diagnosis operation control section 11 is to threshold determination section 8 output threshold value switching signals, to diagnosis speed detection unit 10 output speed switching signals, and car 1 is stopped.Then, threshold determination section 8 is by being transfused to the threshold value switching signal, and threshold value is changed to the 2nd threshold value gradually from the 1st threshold value.Diagnosis speed detection unit 10 is by being transfused to the speed switching signal, and the gait of march of car 1 is changed to the 2nd diagnosis speed gradually from the 1st diagnosis speed.
In addition, unusual by in S302, detecting, and begin simultaneously the change of above-mentioned threshold value and the change of diagnosis speed.And, carry out gradually the change of threshold value and diagnosis speed, be no more than the stop position that under the state that is set as the 2nd threshold value and the 2nd diagnosis speed, detects the car 1 when unusual so that for example detect the stop position unusual and car 1 when making car 1 emergent stopping.By such change, suppose elevator owing to when shaking of earthquake and abnormal, can when implementing the low speed diagnosis, simultaneously or than it car 1 be stopped, can alleviating the damage that elevator is subject to.
Diagnosis speed controlling portion 11 finish threshold value and diagnosis speed each after changing, car 1 is advanced with the 2nd diagnosis speed, simultaneously carry out abnormality detection according to the 2nd threshold value.
The later action of the later action of S305 and S106 shown in Figure 1 is identical.
According to the embodiment of the present invention 3, in S302, detect when unusual, do not stop car 1 and continue the diagnosis running, and carry out the low speed diagnosis.Therefore, can further shorten the diagnosis needed time of running.
In addition, the performance effect identical with embodiment 1 also.
Claims (9)
1. elevator control gear, it behind controlled operation, implements to be used for making the again diagnosis running of entry into service of elevator when earthquake, it is characterized in that described elevator control gear has:
Diagnosis speed detection unit, it is from the gait of march of the 1st diagnosis speed and the car when selecting the diagnosis running slow-footed the 2nd diagnosis speed of described the 1st diagnosis;
Threshold determination section, it than the 2nd high threshold value of described the 1st threshold value, selects to be used for to be determined with N/R threshold value from the 1st threshold value and abnormality detection grade when the diagnosis running;
Abnormity detection portion, its when running diagnosis according to the threshold value of being selected by described threshold determination section, detect the unusual of elevator; And
The diagnosis operation control section, it controls the diagnosis running according to the diagnosis speed of being selected by described diagnosis speed detection unit,
Described abnormity detection portion do not detect unusual during, described the 1st diagnosis speed and described the 1st threshold value are selected by described diagnosis speed detection unit and described threshold determination section, detect when unusual in described abnormity detection portion, described the 2nd diagnosis speed and described the 2nd threshold value are selected by described diagnosis speed detection unit and described threshold determination section.
2. elevator control gear according to claim 1, it is characterized in that, after diagnosing speed detection unit and threshold determination section to select the 2nd diagnosis speed and the 2nd threshold value, when abnormity detection portion car advance the schedule time or preset distance during do not detect when unusual, the 1st diagnosis speed and the 1st threshold value are selected by diagnosis speed detection unit and threshold determination section.
3. elevator control gear according to claim 1 and 2 is characterized in that, abnormity detection portion according to the 2nd threshold test when unusual, described diagnosis operation control section stops the diagnosis running.
4. an elevator control method behind the controlled operation, is implemented to be used for making the again diagnosis running of entry into service of elevator when earthquake, it is characterized in that described elevator control method may further comprise the steps:
When earthquake behind the controlled operation, the gait of march of car is set as the 1st diagnosis speed, will be the 1st threshold value be used to being determined with N/R Threshold, and begin to diagnose the step of running; And
After diagnosis running beginning according to described the 1st threshold test when unusual, the gait of march of described car is set as than slow-footed the 2nd diagnosis speed of described the 1st diagnosis, set the threshold to abnormality detection grade 2nd threshold value higher than described the 1st threshold value, and continue the step of diagnosis running.
5. elevator control method according to claim 4 is characterized in that, described elevator control method may further comprise the steps:
After diagnosis running beginning according to the 1st threshold test when unusual, the step that car is stopped;
After described car stops, the gait of march of described car is set as the 2nd diagnosis speed, set the threshold to the step of the 2nd threshold value; And
Finish be set as described the 2nd diagnosis speed and described the 2nd threshold value after, described car is advanced, and again begins to diagnose the step of running.
6. elevator control method according to claim 4 is characterized in that, described elevator control method may further comprise the steps:
After diagnosis running beginning according to the 1st threshold test when unusual, the step that car is stopped;
After described car stops, the gait of march of described car is set as the 2nd diagnosis speed, set the threshold to the step of the 2nd threshold value;
After described car stops, making direct of travel counter-rotating, make described car advance behind the first preset distance the step that described car is stopped; And
Finish described car stopped again and be set as described the 2nd diagnosis speed and described the 2nd threshold value after, again make the direct of travel counter-rotating, described car is advanced, and again begins to diagnose the step of running.
7. elevator control method according to claim 4 is characterized in that, described elevator control method may further comprise the steps:
After diagnosis running beginning according to the 1st threshold test when unusual, the gait of march of car is changed to gradually the step of the 2nd diagnosis speed from the 1st diagnosis speed; And
After diagnosis running beginning according to described the 1st threshold test when unusual, threshold value is changed to gradually the step of the 2nd threshold value from described the 1st threshold value.
8. each described elevator control method according to claim 4～7, it is characterized in that, described elevator control method may further comprise the steps: finish be set as the 2nd diagnosis speed and the 2nd threshold value after, car advance the schedule time or the second preset distance during do not detect when unusual, the gait of march of described car is set as the 1st diagnosis speed, sets the threshold to the step of the 1st threshold value.
9. each described elevator control method according to claim 4～7, it is characterized in that, described elevator control method may further comprise the steps: finish be set as the 2nd diagnosis speed and the 2nd threshold value after, according to described the 2nd threshold test when unusual, stop to diagnose the step of running.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008-041140 | 2008-02-22 | ||
| JP2008041140A JP5035012B2 (en) | 2008-02-22 | 2008-02-22 | Elevator control device and control method |
| JP2008041140 | 2008-02-22 |
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| Publication Number | Publication Date |
|---|---|
| CN101513970A CN101513970A (en) | 2009-08-26 |
| CN101513970B true CN101513970B (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200910002091 Expired - Fee Related CN101513970B (en) | 2008-02-22 | 2009-01-16 | Elevator control apparatus and control method |
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| JP (1) | JP5035012B2 (en) |
| CN (1) | CN101513970B (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5483707B2 (en) * | 2010-03-19 | 2014-05-07 | 東芝エレベータ株式会社 | Elevator automatic diagnostic equipment |
| JP2012046319A (en) * | 2010-08-26 | 2012-03-08 | Toshiba Elevator Co Ltd | Elevator device |
| CN102311029B (en) * | 2011-06-14 | 2013-04-24 | 中国矿业大学 | Method and device for detecting heavy-load lowering of main shaft hoister |
| JP5791192B2 (en) * | 2012-01-26 | 2015-10-07 | 東芝エレベータ株式会社 | Elevator equipment |
| JP2014114111A (en) * | 2012-12-10 | 2014-06-26 | Hitachi Ltd | Elevator with abnormality diagnosis function |
| JP6082358B2 (en) * | 2014-03-17 | 2017-02-15 | 株式会社日立ビルシステム | Earthquake recovery diagnosis operation device |
| JP6490295B2 (en) * | 2016-02-25 | 2019-03-27 | 三菱電機株式会社 | Elevator control device, elevator remote monitoring server, evacuation support system, and evacuation support method using elevator |
| CN109803909B (en) * | 2016-10-20 | 2021-12-28 | 通力股份公司 | Elevator system and method for observing misoperation |
| JP6778648B2 (en) * | 2017-04-14 | 2020-11-04 | 株式会社日立製作所 | Elevator device and control method of elevator device |
| KR101830036B1 (en) * | 2017-11-13 | 2018-02-19 | (주)아이티공간 | Preventive maintenance method of elevator driving part |
| JP7056753B6 (en) * | 2018-10-19 | 2022-06-10 | 三菱電機株式会社 | Elevator brake device abnormality diagnosis system |
| WO2020179062A1 (en) * | 2019-03-07 | 2020-09-10 | 三菱電機ビルテクノサービス株式会社 | Elevator device |
| WO2020261500A1 (en) * | 2019-06-27 | 2020-12-30 | 三菱電機ビルテクノサービス株式会社 | Inspection device and inspection method |
| JP7243866B2 (en) * | 2020-01-16 | 2023-03-22 | 三菱電機株式会社 | Elevator judgment device |
| WO2022195823A1 (en) * | 2021-03-18 | 2022-09-22 | 三菱電機ビルテクノサービス株式会社 | Elevator monitoring device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101007609A (en) * | 2006-01-27 | 2007-08-01 | 三菱电机大楼技术服务株式会社 | Abnormity detection device for elevator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4872379B2 (en) * | 2006-02-24 | 2012-02-08 | 三菱電機ビルテクノサービス株式会社 | Elevator abnormality detection device and elevator abnormality detection method |
| JP2007230713A (en) * | 2006-02-28 | 2007-09-13 | Toshiba Elevator Co Ltd | Elevator system |
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- 2008-02-22 JP JP2008041140A patent/JP5035012B2/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101007609A (en) * | 2006-01-27 | 2007-08-01 | 三菱电机大楼技术服务株式会社 | Abnormity detection device for elevator |
Non-Patent Citations (2)
| Title |
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| JP特开2003-94771A 2003.04.03 |
| JP特开2006-106335A 2006.04.20 |
Also Published As
| Publication number | Publication date |
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| JP5035012B2 (en) | 2012-09-26 |
| CN101513970A (en) | 2009-08-26 |
| JP2009196778A (en) | 2009-09-03 |
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