WO2019106778A1 - Dispositif de commande d'ascenseur, ascenseur et procédé de commande d'ascenseur - Google Patents

Dispositif de commande d'ascenseur, ascenseur et procédé de commande d'ascenseur Download PDF

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Publication number
WO2019106778A1
WO2019106778A1 PCT/JP2017/042973 JP2017042973W WO2019106778A1 WO 2019106778 A1 WO2019106778 A1 WO 2019106778A1 JP 2017042973 W JP2017042973 W JP 2017042973W WO 2019106778 A1 WO2019106778 A1 WO 2019106778A1
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WO
WIPO (PCT)
Prior art keywords
maintenance
unit
elevator
mode
riding
Prior art date
Application number
PCT/JP2017/042973
Other languages
English (en)
Japanese (ja)
Inventor
潤 鳥谷部
勇来 齊藤
真大 仲田
一斗 永沼
誠人 安岡
篤 照沼
Original Assignee
株式会社日立製作所
株式会社日立ビルシステム
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社日立製作所, 株式会社日立ビルシステム filed Critical 株式会社日立製作所
Priority to PCT/JP2017/042973 priority Critical patent/WO2019106778A1/fr
Priority to JP2019556473A priority patent/JP6776457B2/ja
Priority to CN201780092475.XA priority patent/CN110785366B/zh
Priority to EP17933672.2A priority patent/EP3718941B1/fr
Publication of WO2019106778A1 publication Critical patent/WO2019106778A1/fr

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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
    • B66B5/0043—Devices enhancing safety during maintenance
    • B66B5/005—Safety of maintenance personnel
    • 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
    • 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
    • B66B5/0043—Devices enhancing safety during maintenance
    • B66B5/005—Safety of maintenance personnel
    • B66B5/0081—Safety of maintenance personnel by preventing falling by means of safety fences or handrails, being operable or not, mounted on top of the elevator car

Definitions

  • the present invention relates to an elevator control device, an elevator, and an elevator control method.
  • Patent Document 1 JP-A-2016-117558 discloses a technique related to maintenance work of an elevator. According to this publication, "when the car is in a braking state during a predetermined operation mode, a braking release mode is provided to release the braking state of the car when a predetermined operation is input to a predetermined device. Even when the maintenance worker is carrying out inspection work on the cage 1, the vehicle 1 is braked and the elevator 1 can not move up and down, the maintenance worker performs a predetermined braking release operation. You can release the braking state just by yourself. "
  • an object of the present invention is to provide an elevator control device, an elevator, and an elevator control method capable of improving the safety in the maintenance work of the elevator.
  • composition of a claim is adopted, for example.
  • the operation control unit for controlling the operation of the elevator according to the operation mode selected by the changeover switch provided on the upper portion of the riding cage
  • a maintenance staff getting on / off determining unit that determines the getting on and off of the maintenance staff in the riding car based on a signal from a governor encoder for detecting the movement amount of the riding car in the hoistway
  • a switching operation permitting unit for permitting the operation control unit to operate in the operation mode selected by the changeover switch based on the getting on / off state of the maintenance worker to the riding car determined by the maintenance worker getting on / off determination unit; Equipped.
  • FIG. 1 is a schematic block diagram which shows an example of the elevator 1 to which the elevator control apparatus and elevator control method of embodiment are applied.
  • the elevator 1 is provided with a hoistway 1a which penetrates the inside of a building or the like in the vertical direction.
  • the lower part of the hoistway 1a is a pit 1b dug down from the floor of the lowest floor of the building.
  • the elevator 1 includes a hoist 2, a rope 3, a riding cage 4, a counterweight 5, a governor encoder 6, and a positive detector 7 in the hoistway 1a.
  • a car top stop switch 11, a car top maintenance operation device 12, and a handrail 13 are provided at the top of the riding car 4.
  • the elevator 1 has a landing door 14 at a position corresponding to each landing floor 1f of the side wall of the hoistway 1a, and a pit maintenance operation device 15 in a pit 1b in the lower part of the hoistway 1a.
  • the elevator 1 is provided with an elevator control device 100 for controlling the operation of the riding cage 4, and the operation in which the operation mode is switched between the normal mode and the maintenance mode is performed.
  • these elements which comprise the elevator 1 are demonstrated.
  • the hoisting machine 2 is fixed in the pit 1 b of the hoistway 1 a in a state in which the rope 3 is wound.
  • the hoisting machine 2 is provided with a motor whose illustration is omitted here, and the rope 3 is moved by the rotation of the hoisting machine 2.
  • the rope 3 is for suspending the riding basket 4 and the counterweight 5.
  • the rope 3 is fixed at its both ends to the ceiling 1c of the hoistway 1a and wound around two pulleys 3a fixed to the ceiling 1c at the middle part, and the hoisting machine is installed between the two pulleys 3a and the fixed part It is wound around 2 and the counterweight 5, respectively.
  • Such a rope 3 freely raises and lowers the riding basket 4 and the counterweight 5 in the hoistway 1 a by the drive of the hoisting machine 2.
  • the riding basket 4 is for carrying people and luggage, and is provided in a state of being lowered into the hoistway 1 a by the rope 3.
  • the rope 3 is hooked around a car pulley 4a fixed to the upper or lower portion of the car 4 and ascends and descends up and down in the hoistway 1a as the hoisting machine 2 rotates.
  • Such a riding basket 4 is provided with a basket door (not shown) that slides in the horizontal direction to open and close at a position facing the landing door 14 provided in the hoistway 1a.
  • an operation button (not shown) is provided for operating the destination of the riding basket 4 and opening and closing of the basket door and communicating with the outside in an emergency.
  • the counterweight 5 is for balancing with the riding cage 4 and is provided in a state of being lowered into the hoistway 1 a by the rope 3.
  • a counterweight pulley 5a is fixed to the counterweight 5, and a rope 3 is wound around the counterweight pulley 5a.
  • the counterweight 5 rides in the hoistway 1 a and ascends and descends in the vertical direction opposite to the basket 4 as the hoisting machine 2 rotates.
  • the governor encoder 6 detects the number of revolutions of the hoisting machine 2 and is provided on the hoisting machine 2 as a movement amount detection means for detecting the movement amount of the riding basket 4. Such a governor encoder 6 is connected to the elevator control device 100, and information on the detected rotational speed of the hoisting machine 2 is transmitted to the elevator control device 100. In particular, the governor encoder 6 is one of the detectors for determining whether the operation mode of the elevator 1 can be switched.
  • the positioner 7 outputs a signal for determining whether or not the riding car 4 is in a position where it can open the car door provided on the riding car 4.
  • a positive detector 7 includes, for example, a light shielding plate 7a provided protruding from the inner wall of the hoistway 1a, and an optical sensor 7b provided protruding from the outer peripheral wall of the riding cage 4 toward the inner wall of the hoistway 1a. It is done. Then, the output of the off / off signal from the light sensor detects whether or not the car 4 is located on the landing floor.
  • the cage upper stop switch 11 is a switch for stopping the traveling of the riding cage 4 in the hoistway 1a.
  • This basket upper stop switch 11 is provided at a position close to the landing door 14 at the upper part of the riding cage 4 and a maintenance worker M who opens the landing door 14 from the landing floor 1f can immediately press the switch. It is placed in position.
  • the car top stop switch 11 is connected to the elevator control device 100, and is one of determination switches for determining whether or not the operation mode of the elevator 1 can be switched.
  • the cage upper maintenance operation device 12 is a device for the maintenance worker M to ride and operate the traveling of the cage 4 for maintenance inspection of the elevator 1.
  • the cage upper maintenance operation device 12 includes, for example, an operation mode changeover switch 12a, a raising switch 12b, a lowering switch 12c, a traveling switch 12d, and a car stop switch 12e.
  • the operation mode changeover switch 12a is a switch for switching the operation mode of the elevator 1 between the normal mode and the maintenance mode.
  • the raising switch 12b, the lowering switch 12c, and the traveling switch 12d are operation switches for moving the riding cage 4 by the operation of the maintenance worker M when the operation mode is switched to the maintenance mode.
  • the car stop switch 12 e is one of the switches for stopping the traveling of the riding car 4 and functions in the same manner as the car up stop switch 11.
  • the car upper maintenance operation device 12 provided with such switches is connected to the elevator control device 100.
  • the operation mode changeover switch 12a and the car stop switch 12e are also determination switches for determining whether or not the operation mode of the elevator 1 can be switched.
  • the handrail 13 is an assemblable frame member provided on the upper portion of the riding cage 4.
  • the handrail 13 is provided with a handrail switch 13a which is switched on / off by assembling.
  • the handrail switch 13a is connected to the elevator control device 100, and is one of switches for determining whether or not the operation mode of the elevator 1 can be switched.
  • the landing door 14 is provided on the wall surface of the hoistway 1 a at the height position of each landing floor 1 f at which the riding cage 4 stops.
  • the landing door 14 slides in the horizontal direction to open and close, and does not have its own power.
  • the car door 14 opens and closes following the car door.
  • the landing door 14 is provided with a landing door opening / closing detector 14a which is turned off when the door is opened.
  • the landing door opening / closing detector 14a is connected to the elevator control device 100 described later, and is one of the detectors for determining whether the operation mode of the elevator 1 can be switched.
  • the pit maintenance operation device 15 has the same function as the cage maintenance operation device 12 described above, and is provided in a pit.
  • the pit maintenance operation device 15 includes, for example, a pit-side operation mode switching switch 15a, a pit-side up switch 15b, a pit-side down switch 15c, a pit-side travel switch 15d, and a pit-side car stop switch 15e. Each of these switches has the same function as that of each switch provided in the cage upper maintenance operation device 12.
  • Such a pit maintenance operation device 15 is connected to the elevator control device 100. And especially the pit side driving mode switching switch 15a and the pit side car stop switch 15e are one of the judgment switches for judging whether the driving mode of the elevator 1 can be switched.
  • the elevator control device 100 operates the elevator 1 in the normal mode and in the maintenance mode, such as driving the hoisting machine 2 for raising and lowering the car 4 and opening and closing a car door which is a door provided on the car 4. To control the Further, the elevator control device 100 determines whether to switch the operation mode based on the signals from the switches, the detectors, and the governor encoder 6. Although the place where this elevator control device 100 is arranged is not limited, it is provided, for example, in the pit 1b, in the machine room (not shown) in the upper part of the hoistway 1a, or in the landing floor 1f. It may be done.
  • Such elevator control device 100 is configured by a computer such as a microcomputer.
  • the computer includes a central processing unit (CPU), a read only memory (ROM), and a random access memory (RAM). Furthermore, the computer has an input unit configured by a buffer circuit.
  • FIG. 2 is a circuit diagram of a switch and a detector involved in maintenance work of the elevator according to the embodiment.
  • the elevator control device 100 takes in the contacts of the landing door open / close detector 14a with the input buffer 14bu.
  • the landing door opening / closing detector 14a is, for example, a detector which is turned on when the landing door 14 is closed and turned off when the landing door 14 is open, and the floors are connected in series, and a plurality of landings are connected.
  • the input buffer 14bu is turned off.
  • the elevator control device 100 takes in the contact point of the car top stop switch 11 with the input buffer 11bu.
  • the basket upper stop switch 11 is configured to stop the basket in the off state as an example.
  • the car stop switch 11 is connected in series with the car stop switch 12e having the same function and the pit side car stop switch 15e. Then, when one of these switches is turned off, the input buffer 11bu is turned off.
  • the elevator control device 100 takes in the normal mode side of the contacts of the operation mode changeover switch 12a of the cage maintenance and operation device 12 with the input buffer 12bu and takes the maintenance mode side with the input buffer 12bu '. Similarly, the normal mode side of the contacts of the pit side operation mode switch 15a of the pit maintenance operation device 15 is taken in by the input buffer 15bu, and the maintenance mode side is taken in by the input buffer 15bu '. Further, the elevator control device 100 takes in the contact of the handrail switch 13a with the input buffer 13bu.
  • FIG. 3 is a block diagram of the elevator control device 100 according to the embodiment.
  • the elevator control device 100 determines, as each portion for determining whether or not to switch the operation mode of the elevator 1, a maintenance staff entry judgment unit 101, a landing door opening / closing judgment unit 102, a switch confirmation unit 103, A switching operation permitting unit 104 and an operation control unit 105 are provided.
  • Each of these parts has a function to be described next, and the CPU in the elevator control device 100 reads out and executes a program stored in the ROM to realize each function.
  • the maintenance staff getting on / off determination unit 101 monitors the signal from the governor encoder 6. In addition, based on the signal from the governor encoder 6, the maintenance staff getting on / off determination unit 101 obtains the position of the riding car 4. Further, the maintenance staff entry and exit judgment unit 101 determines the entry and exit of the maintenance staff on the riding car 4 based on the monitored signal change of the governor encoder 6 and the obtained position of the riding car.
  • the landing door opening / closing determination unit 102 determines whether the landing door 14 is closed or open based on a signal from the landing door opening / closing detector 14a. Furthermore, based on the signal from the landing door open / close detector 14a, whether the landing door open / close judgment unit 102 has changed from the open state to the closed state or from the closed state to the open state? To judge.
  • the switch confirmation part 103 is a part which confirms the state of the judgment switch for judging the decision
  • the determination switches are the cage upper stop switch 11, the operation mode changeover switch 12a, the pit side operation mode changeover switch 15a, and the handrail switch 13a. Although illustration is omitted here, since the car stop switch 12e and the pit side car stop switch 15e are also fetched from the same input buffer as the contacts of the car up stop switch 11, they become one of the determination switches.
  • the switch confirmation unit 103 determines whether all the determination switches are in the normal mode side or are all in the maintenance mode side.
  • ⁇ Switching operation permission unit 104 When the driving mode is switched by the driving mode switching switch 12 a of the cage maintenance operation device 12, the switching driving permission unit 104 permits the driving control unit 105 to drive in the switching operation mode.
  • the switching operation permitting unit 104 is connected to the maintenance boarding / unloading judgment unit 101, the landing door opening / closing judgment unit 102, and the switch confirmation unit 103, and switching based on the judgment of these units is performed by the operation mode switching switch 12a. Allows driving in the driving mode selected by.
  • the operation control unit 105 controls the operation of the elevator 1 in the operation mode selected by the switching by the operation mode switching switch 12 a of the cage maintenance operation device 12 when there is permission from the switching operation permission unit 104.
  • the first elevator control method described here is a method of mode switching processing from the normal mode to the maintenance mode performed by the elevator control device 100 when maintenance work of the elevator 1 is started.
  • the second elevator control method is a method of return processing from the maintenance mode performed by the elevator control device 100 to the normal mode when the maintenance work of the elevator 1 is finished.
  • FIG. 4 is a flowchart showing the procedure of maintenance work of the elevator by the maintenance worker.
  • FIG. 4 is a flowchart showing the procedure of maintenance work of the elevator by the maintenance worker.
  • a series of operations performed by maintenance personnel will be described based on FIG.
  • the state of the switch operated in each work will be described together.
  • the maintenance worker When starting the maintenance work of the elevator 1, the maintenance worker carries out the following work. First, the maintenance staff opens the landing door 14 (S1). As a result, the landing door open / close detector 14a detects the off state. Next, the maintenance worker gets on the upper part of the riding basket 4 (S2). As a result, the car 4 becomes heavy and descends, and the governor encoder 6 detects a slight change in the car 4's descent. Further, the maintenance worker immediately depresses the cage upper stop switch 11 (S3). As a result, the car stop switch 11 is turned off. Next, the maintenance worker assembles the handrail 13, and switches the operation mode changeover switch 12a of the cage upper maintenance operation device 12 to the maintenance mode (S4). Thereby, the handrail switch 13a is turned off, the maintenance mode side of the operation mode switching switch 12a is turned on, and the normal mode side is turned off.
  • the maintenance worker After switching the operation mode changeover switch 12a to the maintenance mode by carrying out the above procedure, the maintenance worker carries out the maintenance work of the elevator 1 by operating the operation switch of the cage upper maintenance operation device 12 (S5).
  • the operation switches are the raising switch 12b, the lowering switch 12c, and the traveling switch 12d.
  • the maintenance worker switches the operation mode switch 12a of the cage upper maintenance operation device 12 to the normal mode, and folds the handrail 13 (S6).
  • the maintenance mode side of the operation mode changeover switch 12a is turned off, and the normal mode side is turned on.
  • the handrail switch 13a is turned on.
  • the maintenance worker presses the basket upper stop switch 11 (S7).
  • the car stop switch 11 is turned on.
  • the maintenance worker gets off from the top of the riding basket 4 (S8).
  • the riding basket 4 is lightened and rises, and the governor encoder 6 detects a slight change in the riding basket 4 ascent.
  • the maintenance worker closes the landing door 14 (S9).
  • the landing door open / close detector 14a detects the on state.
  • FIG. 5 is a flowchart showing a first elevator control method according to the embodiment.
  • the procedure shown in this figure is a procedure of mode switching processing from the normal mode to the maintenance mode performed by the elevator control device 100 when starting maintenance work of the elevator 1 and includes the following steps.
  • step S101 the landing door open / close determination unit 102 determines whether the landing door 14 is open. At this time, the hall door opening / closing judgment unit 102 judges that the hall door 14 is opened from the closed state (YES) because the hall door opening / closing detector 14a is turned off from on to the next step S102. move on. Otherwise, it is determined that the landing door 14 is not open (NO), and step S101 is repeated.
  • step S ⁇ b> 102 the maintenance staff getting on / off determining unit 101 obtains and holds the position of the riding basket 4 based on the signal from the governor encoder 6.
  • the position of the riding basket 4 acquired here is the position of the riding basket 4 when it is determined that the landing door 14 is opened (YES) in step S101, and before the maintenance worker gets on the riding basket 4. It shall be a position.
  • step S103 the switch confirmation unit 103 determines whether all of the determination switches have been switched to the maintenance mode side. At this time, as the determination switch, the switch confirmation unit 103 determines whether the car top stop switch 11 is off, the handrail switch 13a is off, and the maintenance mode side of the operation mode switch 12a is on / the normal mode is off. Check. At the same time, the switch confirmation unit 103 confirms that the normal mode side is on among the contacts of the pit-side operation mode changeover switch 15a.
  • step S104 If it is determined that all the determination switches are switched to the maintenance mode side (YES), the switch confirmation unit 103 proceeds to the next step S104 and is determined to be switched to the maintenance mode side (YES) , Confirmation of step S103 is repeated.
  • step S104 the maintenance staff getting on / off determining unit 101 obtains the position of the riding basket 4 based on the signal from the governor encoder 6.
  • the position of the riding basket 4 acquired here is the position of the riding basket 4 in a state where it is determined in step S103 that all the determination switches are switched to the maintenance mode side (YES).
  • step S ⁇ b> 105 the maintenance staff getting on / off determination unit 101 determines whether the maintenance staff is on the riding cage 4 or not. At this time, when the position of the riding basket 4 is moved downward by comparing the position of the riding basket 4 held in step S102 with the position of the riding basket 4 detected in step S104 , It is judged that the maintenance worker is riding on the upper part of the riding cage 4 (YES).
  • the maintenance worker M When it is determined that the maintenance worker is on the upper part of the riding cage 4 (YES) in this step S105, the maintenance worker M opens the landing door 14 (operation S1 in FIG. 4), and then rides the cage 4 It can be determined that the driver got on the top of the (operation S2 in FIG. 4). Further, in this state, it is confirmed that the maintenance worker M is in the upper part of the car 4 in a state where it is determined that all the determination switches have been switched to the maintenance mode side (YES) in step S103.
  • step S105 is repeated until it is determined that the user is on the vehicle (YES), and when it is determined that the user is on the vehicle (YES), the process proceeds to the next step S106.
  • step S106 the switching operation permission unit 104 permits the operation control unit 105 to perform switching operation to the maintenance mode.
  • the operation control unit 105 controls the movement of the riding cage 4 based on the operation (operation S5 in FIG. 4) of the operation switch of the cage maintenance operation device 12 by the maintenance worker M who got on the riding cage 4.
  • the operation mode is normally based on the getting on / off state of the maintenance worker M on the car 4 determined by the maintenance person getting on / off determining unit 101
  • the operation switched from the mode to the maintenance mode is permitted. Therefore, it is possible to prevent the car 4 from moving due to the operation in the maintenance mode being carried out in a state where the maintenance worker M is not in the car 4. Therefore, safety can be improved in maintenance work of the elevator 1.
  • FIG. 6 is a flowchart showing a second elevator control method according to the embodiment.
  • the procedure shown in this figure is a procedure of return processing from the maintenance mode performed by the elevator control device 100 to the normal mode when the maintenance work of the elevator 1 is finished, and includes the following steps.
  • step S201 the maintenance staff getting on / off determination unit 101 determines whether the maintenance staff M has got off the riding car 4 or not.
  • the maintenance worker entry and exit judgment unit 101 monitors the signal from the governor encoder 6, and detects that the position of the riding basket 4 has moved upward in step S202 based on the monitored signal. From this, it is determined that the maintenance worker M has got off (YES). In this case, as an example, even if it is determined that the maintenance worker M has got out of the riding basket 4 when the riding basket 4 has risen to the position held in step S102 of the mode switching process to the maintenance mode (YES) Good.
  • step S202 If the maintenance staff getting on / off determination unit 101 determines that the vehicle has got off (YES), it proceeds to the next step S202, and repeats the determination of step S201 until it is determined that the vehicle gets off (YES).
  • step S202 the maintenance staff getting on / off determination unit 101 holds the position of the riding car 4 when it is determined that the maintenance man M has got off the riding car 4 (YES) in step S201.
  • step S203 the switch confirmation unit 103 determines whether all the determination switches are switched to the normal mode side. At this time, as the determination switch, the switch confirmation unit 103 determines whether the maintenance mode side of the operation mode changeover switch 12a is off or the normal mode side is on, the handrail switch 13a is on, and the car stop switch 11 is on. Check. At the same time, the switch confirmation unit 103 confirms that the normal mode side is on among the contacts of the pit-side operation mode changeover switch 15a.
  • the maintenance staff switches the operation mode changeover switch 12a of the cage maintenance and operation device 12 to the normal mode, folds the handrail 13 (operation S6 in FIG. 4), and the cage door stops. It is determined that the switch 11 has been pressed (operation S7 in FIG. 4).
  • the switch confirmation unit 103 proceeds to the next step S204.
  • switch confirmation unit 103 returns to step S201 and repeats steps S201 to S203 until it is determined that all the determination switches are switched to the operation mode side (YES).
  • the return process is performed in the next step S204 while the maintenance worker M stays on the car 4.
  • the return processing proceeds to step S204 only when all the determination switches are switched to the operation mode side.
  • step S204 the landing door open / close determination unit 102 determines whether the landing door 14 is closed. At this time, since the landing door open / close detector 14a detects that the landing door open / close detector 14a reverses from off to on, the landing door open / close determination unit 102 determines that the landing door 14 is closed from the opened state (YES). Proceed to step S205 of FIG. Otherwise, it is determined that the landing door 14 is not closed (NO), and step S204 is repeated.
  • step S ⁇ b> 205 the maintenance staff getting on / off determining unit 101 obtains the position of the riding basket 4 based on the signal from the governor encoder 6.
  • the position of the riding basket 4 acquired here is assumed to be the position of the riding basket 4 at the time when the landing door 14 is closed.
  • step S206 the maintenance staff getting on / off determination unit 101 determines whether the maintenance staff has got off the riding basket 4. At this time, the maintenance staff getting on / off determining unit 101 confirms that there is no change in the position of the car 4 by comparing the position of the car 4 held in step S202 with the position of the car 4 detected in step S205. When it is determined, it is determined that the maintenance worker M is alighted from the riding cage 4 (YES). When it is determined that the vehicle is dismounted (YES), the process proceeds to the next step S207. On the other hand, in the other cases, it is determined that the passenger has not dismounted (NO), and the process proceeds to step S206 '.
  • step S206 ′ the maintenance staff getting on / off determining unit 101 instructs the operation control unit 105 to issue an alarm. Accordingly, the operation control unit 105 determines that there is a possibility that the landing door 14 may be closed while, for example, the maintenance worker M is left at the top of the car 4, and the elevator 1 and the external system for operating the elevator 1 have Display an alarm on the display unit. Also, an alarm may be emitted from the speaker.
  • step S204 the process returns to step S204, and again the landing door open / close judgment unit 102 repeats the judgment as to whether or not the landing door 14 is closed from the opened state, and the subsequent steps.
  • the return processing is advanced to the next step S207 only when the landing door 14 is closed from the opened state in the state where the maintenance worker M is dismounted from the riding cage 4.
  • step S207 the switching operation permitting unit 104 permits the operation control unit 105 to perform the operation switched to the normal mode.
  • the switching operation permitting unit 104 confirms that the maintenance worker from the car 4 has got off at step S206, the operation mode is not performed with the maintenance worker M remaining on the top of the car 4 Determine and allow operation in the normal mode. Then, the operation control unit 105 performs operation control of the elevator 1 in the normal mode.
  • the operation mode is set to the maintenance mode based on the riding state of the maintenance worker M for the riding basket 4 determined by the maintenance person getting on / off determining unit 101.
  • the operation switched to the normal mode is permitted.
  • FIG. 7 is a flowchart showing a modification of the second elevator control method according to the embodiment.
  • the control method of the modified example shown in this figure is a method of implementing step S205 'instead of steps S2205 to S206' of the second elevator control method shown in FIG. Step S205 'is as follows.
  • step S205 ′ the maintenance staff getting on / off determination unit 101 determines whether a predetermined time has elapsed after determining that the maintenance man M has got off the vehicle 4 in step S201 (YES). At this time, based on the signal from the governor encoder 6, the maintenance staff getting on / off determination unit 101 determines whether or not a predetermined time has elapsed while the position of the riding basket 4 held in step S202 is maintained.
  • step S201 After determining that maintenance worker M has got out of the car 4 in step S201 (YES) in step S201, it is determined that the landing door 14 is closed (YES) in step S204. It may be determined whether a predetermined time has elapsed.
  • the predetermined time in the above determination may be set as a time of, for example, about 1 minute to 3 minutes, as long as the maintenance staff who got off the riding cage 4 close the landing door 14.
  • step S207 If it is determined that the predetermined time has elapsed (YES), the process proceeds to step S207, and step S205 'is repeated until it is determined that the predetermined time has elapsed (YES). Also by carrying out this determination, it is determined that the maintenance worker M has got off the car 4 surely. Therefore, the same effects as those of the second elevator control method and the elevator control device 100 implementing the same can be obtained.
  • the present invention is not limited to the above-described embodiment and modifications, and further includes various modifications.
  • the embodiment described above is described in detail to explain the present invention in an easy-to-understand manner, and is not necessarily limited to one having all the described configurations.
  • part of the configuration of one embodiment can be replaced with the configuration of another embodiment, and the configuration of another embodiment can be added to the configuration of one embodiment.

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  • Indicating And Signalling Devices For Elevators (AREA)

Abstract

L'invention concerne un dispositif de commande d'ascenseur, comprenant une unité de commande de fonctionnement, qui commande le fonctionnement d'un ascenseur en fonction d'un mode de fonctionnement sélectionné par un commutateur de commutation disposé sur une partie supérieure d'une cabine d'ascenseur, le dispositif de commande d'ascenseur comprenant également : une unité de détermination d'embarquement/débarquement de technicien de maintenance qui, sur la base d'un signal à partir d'un codeur de régulateur destiné à détecter la quantité de déplacement de la cabine d'ascenseur au sein d'une cage, détermine l'embarquement/débarquement d'un technicien de maintenance dans/à partir de la cabine d'ascenseur ; et une unité d'autorisation de fonctionnement de commutation, qui permet à l'unité de commande de fonctionnement de fonctionner dans un mode de fonctionnement sélectionné par le commutateur de commutation, sur la base de l'état d'embarquement/débarquement du technicien de maintenance dans/à partir de la cabine d'ascenseur, tel que déterminé par l'unité de détermination d'embarquement/débarquement de technicien de maintenance.
PCT/JP2017/042973 2017-11-30 2017-11-30 Dispositif de commande d'ascenseur, ascenseur et procédé de commande d'ascenseur WO2019106778A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PCT/JP2017/042973 WO2019106778A1 (fr) 2017-11-30 2017-11-30 Dispositif de commande d'ascenseur, ascenseur et procédé de commande d'ascenseur
JP2019556473A JP6776457B2 (ja) 2017-11-30 2017-11-30 エレベーター制御装置、エレベーター、およびエレベーター制御方法
CN201780092475.XA CN110785366B (zh) 2017-11-30 2017-11-30 电梯控制装置、电梯以及电梯控制方法
EP17933672.2A EP3718941B1 (fr) 2017-11-30 2017-11-30 Dispositif de commande d'ascenseur, ascenseur et procédé de commande d'ascenseur

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PCT/JP2017/042973 WO2019106778A1 (fr) 2017-11-30 2017-11-30 Dispositif de commande d'ascenseur, ascenseur et procédé de commande d'ascenseur

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WO2019106778A1 true WO2019106778A1 (fr) 2019-06-06

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US20200324999A1 (en) * 2019-04-15 2020-10-15 Otis Elevator Company Elevator systems
JP7512483B1 (ja) 2023-06-21 2024-07-08 東芝エレベータ株式会社 エレベータ制御装置およびエレベータ制御方法

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JP2002003113A (ja) * 2000-06-15 2002-01-09 Hitachi Building Systems Co Ltd エレベーターのかご上保守運転装置
JP2004224542A (ja) * 2003-01-24 2004-08-12 Mitsubishi Electric Building Techno Service Co Ltd エレベータの保守安全装置
US20080245619A1 (en) * 2004-04-30 2008-10-09 Andres Monzon-Simon Elevator Top of Car Safety
JP2016117558A (ja) 2014-12-22 2016-06-30 株式会社日立製作所 エレベータ制御装置およびエレベータ制御方法
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JP6030170B2 (ja) * 2015-03-10 2016-11-24 東芝エレベータ株式会社 エレベータ保守作業支援装置
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JP2002003113A (ja) * 2000-06-15 2002-01-09 Hitachi Building Systems Co Ltd エレベーターのかご上保守運転装置
JP2004224542A (ja) * 2003-01-24 2004-08-12 Mitsubishi Electric Building Techno Service Co Ltd エレベータの保守安全装置
US20080245619A1 (en) * 2004-04-30 2008-10-09 Andres Monzon-Simon Elevator Top of Car Safety
JP2016117558A (ja) 2014-12-22 2016-06-30 株式会社日立製作所 エレベータ制御装置およびエレベータ制御方法
JP2017019610A (ja) * 2015-07-09 2017-01-26 株式会社日立製作所 エレベータ制御装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200324999A1 (en) * 2019-04-15 2020-10-15 Otis Elevator Company Elevator systems
US11673767B2 (en) * 2019-04-15 2023-06-13 Otis Elevator Company Elevator systems
JP7512483B1 (ja) 2023-06-21 2024-07-08 東芝エレベータ株式会社 エレベータ制御装置およびエレベータ制御方法

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EP3718941B1 (fr) 2023-09-06
EP3718941A1 (fr) 2020-10-07
CN110785366B (zh) 2021-04-27
JPWO2019106778A1 (ja) 2020-04-02
CN110785366A (zh) 2020-02-11
EP3718941A4 (fr) 2021-07-14
JP6776457B2 (ja) 2020-10-28

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