CN110267899A - The shutdown mechanism point inspection device and shutdown mechanism point detection system of elevator - Google Patents
The shutdown mechanism point inspection device and shutdown mechanism point detection system of elevator Download PDFInfo
- Publication number
- CN110267899A CN110267899A CN201780085210.7A CN201780085210A CN110267899A CN 110267899 A CN110267899 A CN 110267899A CN 201780085210 A CN201780085210 A CN 201780085210A CN 110267899 A CN110267899 A CN 110267899A
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- China
- Prior art keywords
- elevator
- shutdown mechanism
- inspection device
- point inspection
- mechanism point
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Classifications
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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
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- Elevator Door Apparatuses (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
A kind of can obtain in a short time is provided and carries out a shutdown mechanism point inspection device for the elevator of the image of inspection for the mechanical dimension to shutdown mechanism.The shutdown mechanism point inspection device of elevator includes frame, forms gabarit, the side of the stop by the elevator of the car door of elevator is arranged in a manner of it can freely load and unload；Image pickup part is set to the frame, is shot according to photography instruction；Storage unit is set to the frame, stores the information of the image shot by the image pickup part；And control unit, it is set to the frame, the shutdown mechanism of the elevator is incorporated into the opportunity in the image shot by the image pickup part in the state that the frame is installed on the side of the stop by the elevator of the car door, and Xiang Suoshu image pickup part sends photography instruction.
Description
Technical field
The present invention relates to the shutdown mechanism point inspection device of elevator and shutdown mechanism point detection systems.
Background technique
Patent document 1 discloses a kind of shutdown mechanism point inspection device of elevator.It, can according to the shutdown mechanism point inspection device
Obtain the image of the mechanical dimension for point inspection shutdown mechanism.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2014-76871 bulletin
Summary of the invention
Problems to be solved by the invention
But in the shutdown mechanism point inspection device documented by patent document 1, installation and disassembly are sometimes more miscellaneous.Cause
This, the inspection of shutdown mechanism point spends the time sometimes.
The present invention is precisely in order to solving the above problems and completing.The object of the present invention is to provide one kind can be short
It is obtained in time and carries out the shutdown mechanism point inspection device of the elevator of the image of inspection and a pass for the mechanical dimension to shutdown mechanism
Door machine structure point detection system.
The means used to solve the problem
The shutdown mechanism point inspection device of elevator of the invention includes frame, gabarit is formed, with what can freely be loaded and unloaded
The side of the stop by the elevator of the car door of elevator is arranged in mode；Image pickup part is set to the frame, according to taking the photograph
Shadow instruction is shot；Storage unit is set to the frame, stores the information of the image shot by the image pickup part；And
Control unit is set to the frame, is installed on the side of the stop by the elevator of the car door in the frame
In the state of the shutdown mechanism of the elevator be incorporated into the opportunity in the image shot by the image pickup part, Xiang Suoshu image pickup part hair
Photography is sent to instruct.
The shutdown mechanism point detection system of elevator of the invention has shutdown mechanism point inspection device and control device, described
Control device makes the carriage with the car door for being mounted with shutdown mechanism point inspection device in the building for being equipped with the elevator
The stop of each floor stop, the car door is opened, thus the stop door of the elevator is opened and makes the door engine
Structure is acted.
Invention effect
According to the present invention, the sedan-chair of elevator is arranged in the frame of shutdown mechanism point inspection device in a manner of it can freely load and unload
The side of the stop by elevator of compartment door.Therefore, it can obtain and be carried out for the mechanical dimension to shutdown mechanism in a short time
The image of point inspection.
Detailed description of the invention
Fig. 1 is the structure chart for being applicable in the elevator of shutdown mechanism point inspection device of the elevator of embodiments of the present invention 1.
Fig. 2 is the shutdown mechanism for being applicable in the elevator of shutdown mechanism point inspection device of the elevator of embodiments of the present invention 1
Main view.
Fig. 3 is point of the shutdown mechanism point inspection device for illustrating the elevator of embodiments of the present invention 1 to shutdown mechanism
Examine the figure of content.
Fig. 4 is the master for being applicable in the car door of the elevator of shutdown mechanism point inspection device of the elevator of embodiments of the present invention 1
View.
Fig. 5 is the block diagram of the shutdown mechanism point inspection device of the elevator of embodiments of the present invention 1.
Fig. 6 is the flow chart of the movement of the shutdown mechanism point inspection device for illustrating the elevator of embodiments of the present invention 1.
Fig. 7 is the control device for being applicable in the elevator of shutdown mechanism point inspection device of the elevator of embodiments of the present invention 1
Hardware structure diagram.
Fig. 8 is the structure chart for being applicable in the elevator of shutdown mechanism point inspection device of the elevator of embodiments of the present invention 2.
Fig. 9 is the block diagram of the shutdown mechanism point inspection device of the elevator of embodiments of the present invention 2.
Specific embodiment
In the following, being illustrated according to attached drawing to mode for carrying out the present invention.In addition, in various figures to identical or
The comparable part of person marks identical label.The appropriate repeated explanation simplified or even omit the part.
Embodiment 1
Fig. 1 is the structure chart for being applicable in the elevator of shutdown mechanism point inspection device of the elevator of embodiments of the present invention 1.
In Fig. 1, building has multiple floors.Building has elevator.
In elevator, hoistway 1 penetrates through each floor of building.Multiple stops 2 are respectively arranged on each floor of building.It is multiple
Stop 2 is opposed with hoistway 1 respectively.Traction machine 3 is set to the top of hoistway 1.Diversion sheave 4 is set to the top of hoistway 1.5 quilt of main rope
It hangs around on traction machine 3 and diversion sheave 4.Carriage 6 is set to the inside of hoistway 1.Carriage 6 is supported in the side of main rope 5.Counterweight
7 are set to the inside of hoistway 1.Counterweight 7 is supported in the other side of main rope 5.
Multiple stop doors 8 are located at the entrance of the stop 2 of each floor respectively as elevator door.Car door 9 is used as elevator
Door is located at the entrance of carriage 6.Multiple shutdown mechanisms 10 are respectively arranged on 2 side of stop of each floor.Multiple shutdown mechanisms 10 have
When be known respectively as linkage (interlock).
Work station 11 is set to the top of carriage 6 in carriage.Control device 12 is set to the top of hoistway 1.Controlling cable 13 will
Work station 11 and control device 12 are electrically connected in carriage.
The stop 2 by elevator of car door 9 is arranged in shutdown mechanism point inspection device 14 in a manner of it can freely load and unload
Side.
In the point inspection of the mechanical dimension of shutdown mechanism 10, it is electric that shutdown mechanism point inspection device 14 is mounted on leaning on for car door 9
The side of the stop 2 of ladder.In this state, control device 12 stops carriage 6 in the stop 2 of each floor and beats car door 9
It opens, thus stop door 8 is opened and acts shutdown mechanism 10.At this point, shutdown mechanism point inspection device 14 shoots each floor
Shutdown mechanism 10.
In the following, illustrating shutdown mechanism 10 using Fig. 2.
Fig. 2 is the shutdown mechanism for being applicable in the elevator of shutdown mechanism point inspection device of the elevator of embodiments of the present invention 1
Main view.
As shown in Fig. 2, shutdown mechanism 10 has latch 10a, hook 10b, spring 10c and roller 10d.
Latch 10a is in Fig. 2 set on the rising wood of the entrance of stop 2 (not shown).Although not shown in Fig. 2,
Latch 10a is set to the wall surface of hoistway 1.Link up with the rising wood that 10b is set to stop door 8.Rising wood quilt of the spring 10c in stop door 8
Set on the top of hook 10b.Spring 10c applies downward load to hook 10a.Roller 10d is connected to the rear portion of latch 10a.
Although not shown in Fig. 2, when car door 9 is opened, roller 10d is by being set to the plate body of carriage 6, by sedan-chair
The direction that compartment door 9 is opened pushes.At this point, hook 10b is rotated by axis of rear portion side.As a result, hook 10b front from
Latch 10a is detached from.
In the following, illustrating that the point of shutdown mechanism 10 examines content using Fig. 3.
Fig. 3 is point of the shutdown mechanism point inspection device for illustrating the elevator of embodiments of the present invention 1 to shutdown mechanism
Examine the figure of content.
As shown in the left side of Fig. 3, in the case where the front for linking up with 10b is hooked in latch 10a, latch 10a and hook 10b
Horizontal clearance size A become point inspection an object.The 1st vertical gap size B of latch 10a and hook 10b become point inspection object.Such as
Shown in the right side of Fig. 3, in the case where the front for linking up with 10b is detached from from latch 10a, the 2nd of latch 10a and hook 10b is vertical
Gap size C becomes point inspection object.
In the following, illustrating the installation site of shutdown mechanism point inspection device 14 using Fig. 4.
Fig. 4 is the master for being applicable in the car door of the elevator of shutdown mechanism point inspection device of the elevator of embodiments of the present invention 1
View.
As shown in figure 4, shutdown mechanism point inspection device 14 is installed on the side by stop 2 of car door 9.For example, door engine
Structure point inspection device 14 is installed on the side by stop 2 of car door 9 by the magnetic force of magnet (not shown).Although in Fig. 4 not
Diagram, but the photography direction of shutdown mechanism point inspection device 14 is configured to, on the height on the ground of carriage 6 and the ground of stop 2
Height it is consistent in the state of, shutdown mechanism 10 is incorporated into the image shot by shutdown mechanism point inspection device 14.
In the following, illustrating the structure of shutdown mechanism point inspection device 14 using Fig. 5.
Fig. 5 is the block diagram of the shutdown mechanism point inspection device of the elevator of embodiments of the present invention 1.
As shown in figure 5, shutdown mechanism point inspection device 14 has frame 14a, power supply unit 14b, image pickup part 14c, illumination portion
14d, storage unit 14e, acceleration transducer portion 14f and control unit 14g.
The gabarit of frame 14a formation shutdown mechanism point inspection device 14.Frame 14a is set in a manner of it can freely load and unload
It sets in the side by stop 2 of car door 9.Power supply unit 14b is set to frame 14a.Power supply unit 14b is to shutdown mechanism point inspection device
14 each portion provides electric power.Image pickup part 14c is set to frame 14a.Image pickup part 14c is shot according to photography instruction.Illumination portion
14d is set to frame 14a.Illumination portion 14d issues light to the photography direction of image pickup part 14c.Storage unit 14e is set to frame 14a.
Storage unit 14e stores the information by the image pickup part 14c image shot.Acceleration transducer portion 14f is set to frame 14a.Accelerate
It spends sensor portion 14f and detects acceleration.Control unit 14g is set to frame 14a.Control unit 14g is incorporated into shutdown mechanism 10
The opportunity in image shot by image pickup part 14c sends photography instruction to image pickup part 14c.Specifically, control unit 14g according to
The acceleration that acceleration transducer portion 14f is detected determines the opportunity that photography instruction is sent to image pickup part 14c.
In the following, illustrating the movement of shutdown mechanism point inspection device 14 using Fig. 6.
Fig. 6 is the flow chart of the movement of the shutdown mechanism point inspection device for illustrating the elevator of embodiments of the present invention 1.
As shown in fig. 6, in step sl, control unit 14g is according to acceleration transducer portion 14f to the acceleration of vertical direction
Detected value come determine carriage 6 whether in stop in.When the situation for being determined as that carriage 6 is not in stop in step sl
Under, control unit 14g carries out the movement of step S1.In the case where being determined as that carriage 6 is in stop in step sl, control unit
The movement of 14g progress step S2.
In step s 2, control unit 14g sends photography instruction to image pickup part 14c.At this point, image pickup part 14c shooting hook 10b
Front be hooked in the state of latch 10a.Then, control unit 14g carries out the movement of step S3.
In step s3, control unit 14g according to acceleration transducer portion 14f to the detected value of the acceleration of horizontal direction come
Determine whether stop door 8 has started to open.In the case where being determined as that stop door 8 not yet starts to open in step s3, control
The movement of portion 14g progress step S3.In the case where being determined as that stop door 8 has started to open in step s3, control unit 14g into
The movement of row step S4.
In step s 4, control unit 14g sends photography instruction to image pickup part 14c.At this point, image pickup part 14c shooting hook 10b
The state that is detached from from latch 10a of front.Then, control unit 14g carries out the movement of step S5.
In step s 5, control unit 14g according to acceleration transducer portion 14f to the detected value of the acceleration of vertical direction come
Determine whether carriage 6 has started to move.In the case where being determined as that carriage 6 not yet starts movement in step sl, control unit 14g
Carry out the movement of step S5.In the case where being determined as that carriage 6 has started movement in step s 5, control unit 14g carries out step
The movement of S1.
Embodiment 1 from the description above, the frame 14a of shutdown mechanism point inspection device 14 is can freely load and unload
The side by stop 2 of car door 9 is arranged in mode.Therefore, it can obtain in a short time for the machine to shutdown mechanism 10
Tool size carries out an image for inspection.
At this point, not needing to climb to the operation on the ceiling of carriage 6 and the operation inside carriage 6.Therefore, especially exist
In the case where carrying out an inspection to the shutdown mechanism 10 of the stop 2 of top layer, the operation on the ceiling of carriage 6 is not needed to climb to yet.
In addition, it is not necessary that special wiring.In addition, carriage 6 can be made to carry out an inspection with running at high speed.Therefore, it can contract
It is short to obtain activity duration when carrying out the image of an inspection for the mechanical dimension to shutdown mechanism 10.
In addition, the frame 14a of shutdown mechanism point inspection device 14 by magnetic force be mounted on car door 9 by the one of carriage 2
Side.Therefore, it can be easy that shutdown mechanism point inspection device 14 is installed to car door 9.
In addition, the acceleration that control unit 14g is detected according to acceleration transducer portion 14f, determines to send to image pickup part 14c
It photographs the opportunity instructed.At this point, not needing the control of control device 12.It therefore, can be with the type of elevator independently in short-term
Interior obtain carries out an image for inspection for the mechanical dimension to shutdown mechanism 10.Even for example, in existing elevator,
It can obtain in a short time and carry out an image for inspection for the mechanical dimension to shutdown mechanism 10.
At this point, control device 12 stops carriage 6 in the stop 2 of each floor of building and opens car door 9, thus
Stop door 8 is opened and acts shutdown mechanism 10.Therefore, according to shutdown mechanism point inspection device 14 and control device
12 shutdown mechanism point detection system is able to reliably obtain for point inspection horizontal clearance size for multiple shutdown mechanisms 10
A, the image of the 1st vertical vertical gap size C of gap size B and the 2nd.Operating personnel only need to by shutdown mechanism point inspection device 14 from
Car door 9 unloads, and then shows the image in display device etc., can to horizontal clearance size A, the 1st vertical gap size B and
2nd vertical gap size C carries out an inspection.
In the following, illustrating the example of control device 12 using Fig. 7.
Fig. 7 is the control device for being applicable in the elevator of shutdown mechanism point inspection device of the elevator of embodiments of the present invention 1
Hardware structure diagram.
Each function of control device 12 can be realized by processing circuit.For example, processing circuit has at least one
Manage device 15a and at least one processor 15b.For example, processing circuit has at least one specialized hardware 16.
In the case where processing circuit has at least one processor 15a and at least one processor 15b, control device 12
Each function realized by the combination of software, firmware or software and firmware.At least one party in software and firmware is described
For program.At least one party in software and firmware is stored at least one processor 15b.At least one processor 15a is logical
Cross each function of reading and executing the program that is stored at least one processor 15b to realize control device 12.At least one
Processor 15a is also referred to as CPU (Central Processing Unit, central processing unit), central processing unit, processing dress
It sets, arithmetic unit, microprocessor, microcomputer, DSP.For example, at least one processor 15b is RAM (Random Access
Memory, random access memory), ROM (Read Only Memory, read-only memory), flash memory, EPROM (Erasable
Programmable Read Only Memory, Erasable Programmable Read Only Memory EPROM), EEPROM (Electrically
Erasable Programmable Read-Only Memory, electrically erasable programmable read-only memory) etc. it is non-volatile or
Semiconductor memory, disk, floppy disk, CD, compact disc, mini-disk, DVD (the Digital Versatile of person's volatibility
Disk, digital versatile disc) etc..
In the case where processing circuit has at least one specialized hardware 16, processing circuit is for example by single circuit, multiple
Close circuit, programmed process device, multiple programming processor, ASIC, FPGA or their combination are realized.For example, control device
12 each function is realized by each processing circuit.For example, each function of control device 12 is realized by the way that processing circuit is unified.
About each function of control device 12, it is also possible to a part by specialized hardware 16 and realizes that another part is by software
Or firmware is realized.For example, it may be the function of the movement about control carriage 6, by the processing circuit as specialized hardware 16
It realizes, the function other than the function of the movement about control carriage 6 is deposited by being read and executed by least one processor 15a
The program at least one processor 15b is stored up to realize.
In this way, processing circuit can realize control device 12 by hardware 16, software, firmware or their combination
Each function.
Embodiment 2
Fig. 8 is the structure chart for being applicable in the elevator of shutdown mechanism point inspection device of the elevator of embodiments of the present invention 2.Separately
Outside, identical label is marked to the part of embodiment 1 identically or comparably, and omits the explanation of the part.
As shown in figure 8, communication device 17 is set to the top of carriage 6.Communication device 17 is electrically connected with work station 11 in carriage.
In the following, illustrating the structure of shutdown mechanism point inspection device 14 using Fig. 9.
Fig. 9 is the block diagram of the shutdown mechanism point inspection device of the elevator of embodiments of the present invention 2.
As shown in figure 8, shutdown mechanism point inspection device 14 does not have acceleration transducer portion 14f.Shutdown mechanism point inspection device
14 have communication unit 14h.
Communication unit 14h wirelessly receives the signal from elevator via work station 11 in carriage and communication device 17.
Control unit 14g sends the opportunity of photography instruction according to the signal deciding to image pickup part 14c.
Embodiment 2 from the description above, control unit 14g via work station 11 in carriage and lead to according to communication unit 14h
The signal that T unit 17 is received from control device 12 determines the opportunity that photography instruction is sent to image pickup part 14c.At this point, control
Device 12 sends signal corresponding with work station 11 in carriage on following opportunity: making carriage 6 in each floor of building
Stop 2, which is stopped, simultaneously opens car door 9, thus make stop door 8 open and opportunity for acting shutdown mechanism 10.This
In the case of, do not need acceleration transducer portion 14f, can obtain in a short time for the mechanical dimension to shutdown mechanism 10 into
The image of row point inspection.
Industrial availability
As described above, the shutdown mechanism point inspection device and shutdown mechanism point detection system of elevator of the invention can be in the short time
Interior obtain be used in the system of the image of inspection for the mechanical dimension to shutdown mechanism.
Label declaration
1: hoistway；2: stop；3: traction machine；4: diversion sheave；5: main rope；6: carriage；7: counterweight；8: stop door；9: sedan-chair
Compartment door；10: shutdown mechanism；10a: latch；10b: hook；10c: spring；10d: roller；11: work station in carriage；12: control
Device；13: controlling cable；14: shutdown mechanism point inspection device；14a: frame；14b: power supply unit；14c: image pickup part；14d: it shines
Bright portion；14e: storage unit；14f: acceleration transducer portion；14g: control unit；14h: communication unit；15a: processor；15b: storage
Device；16: hardware；17: communication device.
Claims (5)
1. a kind of shutdown mechanism point inspection device of elevator, wherein the shutdown mechanism point inspection device of the elevator includes
Frame forms gabarit, the layer by the elevator of the car door of elevator is arranged in a manner of it can freely load and unload
The side stood；
Image pickup part is set to the frame, is shot according to photography instruction；
Storage unit is set to the frame, stores the information of the image shot by the image pickup part；And
Control unit is set to the frame, is installed on the stop by the elevator of the car door in the frame
The shutdown mechanism of the elevator is incorporated into the opportunity in the image shot by the image pickup part in the state of side, to the camera shooting
Portion sends photography instruction.
2. the shutdown mechanism point inspection device of elevator according to claim 1, wherein
The frame is installed on the side of the stop by the elevator of the car door by magnetic force.
3. the shutdown mechanism point inspection device of elevator according to claim 1 or 2, wherein
The shutdown mechanism point inspection device of the elevator has acceleration transducer portion, which is set to the framework
Acceleration is detected in portion,
The acceleration that the control unit is detected according to the acceleration transducer portion determines that sending photography to the image pickup part refers to
The opportunity of order.
4. the shutdown mechanism point inspection device of elevator according to claim 1 or 2, wherein
The shutdown mechanism point inspection device of the elevator has communication unit, which is set to the frame, wirelessly connects
The signal of the control device from the elevator is received,
The signal that the control unit is received according to the communication unit from the control device is determined to send to the image pickup part and be taken the photograph
The opportunity of shadow instruction.
5. a kind of shutdown mechanism point detection system of elevator, wherein the shutdown mechanism point detection system of the elevator includes
Shutdown mechanism as claimed in claim 3 point inspection device；And
Control device makes the carriage with the car door for being mounted with shutdown mechanism point inspection device be equipped with the elevator
The stop of each floor of building is stopped, and the car door is opened, and is thus opened the stop door of the elevator and is made described
Shutdown mechanism is acted.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2017/005574 WO2018150497A1 (en) | 2017-02-15 | 2017-02-15 | Door closing mechanism inspection device and door closing mechanism inspection system for elevators |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110267899A true CN110267899A (en) | 2019-09-20 |
| CN110267899B CN110267899B (en) | 2020-12-15 |
Family
ID=60107406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780085210.7A Active CN110267899B (en) | 2017-02-15 | 2017-02-15 | Door closing mechanism point inspection device and door closing mechanism point inspection system of elevator |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6213704B1 (en) |
| CN (1) | CN110267899B (en) |
| WO (1) | WO2018150497A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114634072A (en) * | 2020-12-15 | 2022-06-17 | 三菱电机株式会社 | Point inspection system and elevator |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6960946B2 (en) * | 2019-01-18 | 2021-11-05 | 株式会社日立ビルシステム | Door anomaly detection system and elevator system |
| JP6743982B1 (en) * | 2019-04-25 | 2020-08-19 | 三菱電機ビルテクノサービス株式会社 | Airtight material inspection system installed near the elevator hall |
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| FI117432B (en) * | 2002-02-05 | 2006-10-13 | Kone Corp | Procedure and arrangement for remote monitoring of an elevator |
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| JP5936450B2 (en) * | 2012-06-08 | 2016-06-22 | 株式会社日立製作所 | Elevator system and safety device |
| JP6109097B2 (en) * | 2014-02-12 | 2017-04-05 | 三菱電機ビルテクノサービス株式会社 | Elevator pit status confirmation system |
| JP2015157680A (en) * | 2014-02-24 | 2015-09-03 | 東芝エレベータ株式会社 | Alarm system of landing side door of elevator |
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- 2017-02-15 JP JP2017536914A patent/JP6213704B1/en active Active
- 2017-02-15 CN CN201780085210.7A patent/CN110267899B/en active Active
- 2017-02-15 WO PCT/JP2017/005574 patent/WO2018150497A1/en active Application Filing
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| CN101585478A (en) * | 2008-05-23 | 2009-11-25 | 株式会社日立制作所 | Safety device and security control method for elevator door |
| JP2010260648A (en) * | 2009-04-30 | 2010-11-18 | Mitsubishi Electric Building Techno Service Co Ltd | Door interlock inspection device and inspection method for the same |
| CN103287952A (en) * | 2012-03-01 | 2013-09-11 | 株式会社日立制作所 | Elevator system |
| JP2016222406A (en) * | 2015-05-29 | 2016-12-28 | 東芝エレベータ株式会社 | Elevator system and elevator control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114634072A (en) * | 2020-12-15 | 2022-06-17 | 三菱电机株式会社 | Point inspection system and elevator |
| CN114634072B (en) * | 2020-12-15 | 2023-09-19 | 三菱电机株式会社 | Point inspection system and elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110267899B (en) | 2020-12-15 |
| WO2018150497A1 (en) | 2018-08-23 |
| JP6213704B1 (en) | 2017-10-18 |
| JPWO2018150497A1 (en) | 2019-02-21 |
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