WO2018079032A1 - Dispositif de détection d'ouverture de porte palière d'ascenseur et ascenseur - Google Patents

Dispositif de détection d'ouverture de porte palière d'ascenseur et ascenseur Download PDF

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Publication number
WO2018079032A1
WO2018079032A1 PCT/JP2017/030208 JP2017030208W WO2018079032A1 WO 2018079032 A1 WO2018079032 A1 WO 2018079032A1 JP 2017030208 W JP2017030208 W JP 2017030208W WO 2018079032 A1 WO2018079032 A1 WO 2018079032A1
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WO
WIPO (PCT)
Prior art keywords
landing door
landing
door
opening direction
opening
Prior art date
Application number
PCT/JP2017/030208
Other languages
English (en)
Japanese (ja)
Inventor
然一 伊藤
琢夫 釘谷
政之 垣尾
邦充 岸元
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2018503605A priority Critical patent/JP6465248B2/ja
Publication of WO2018079032A1 publication Critical patent/WO2018079032A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/14—Control systems or devices
    • B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/14—Control systems or devices
    • B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
    • B66B13/18—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/14—Control systems or devices
    • B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
    • B66B13/18—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors
    • B66B13/20—Lock mechanisms actuated mechanically by abutments or projections on the cages

Definitions

  • the present invention relates to an elevator landing door opening detection device that detects that a landing door has been opened in a different situation from the usual, and an elevator equipped with the landing door opening detection device.
  • the safety circuit composed of door sensors installed at the landings on each floor is divided into a safety circuit composed of door sensors for odd-numbered floors and a safety circuit composed of door sensors on even-numbered floors.
  • a detection system has been proposed that detects when a landing door opens in an unusual situation and a person has entered the hoistway. (For example, refer to Patent Document 1).
  • the door sensor for the landing on the stop floor where the car is stopped and the door sensor for the landing on the floor two floors above the stop floor form the same safety circuit. Yes. Therefore, if a maintenance person enters the hoistway by opening the landing door two floors above the stop floor where the car is stopped, one safety circuit will be shut off, so the landing will be in a normal situation. It is determined that the door has opened. Therefore, in this case, it is impossible to detect that the landing door is opened in a situation different from normal and that a person has entered the hoistway.
  • the present invention has been made in order to solve the above-described problems, and an elevator landing door opening detection device capable of accurately detecting that the landing door has been opened in a situation different from a normal situation and the landing door thereof.
  • the object is to obtain an elevator with an open detection device.
  • the elevator landing door opening detection device includes a landing door device provided corresponding to each landing door, and a control device that opens and closes the landing doors provided at each landing, and the landing door device includes: , An unlocking operation unit that operates as the landing door is moved in the opening direction from the landing side, a landing door opening detection switch that detects that the unlocking operation unit has been operated, and a car provided in the car When the door is moved in the opening direction, it is separated from the operation part at the time of unlocking and moved in the opening direction, and when the landing door is moved in the opening direction from the landing side, it is moved in the opening direction and is unlocked. Whether or not the landing door is opened by the car door when the landing door is opened based on the detection result by the landing door open detection switch. Is to detect.
  • the elevator in the present invention is provided with the elevator door opening detection device described above.
  • an elevator door opening detection device capable of accurately detecting that the landing door has been opened in a situation different from normal, and an elevator including the landing door opening detection device.
  • FIG. 1 is a configuration diagram illustrating an example of an elevator to which the elevator landing door open detection device according to Embodiment 1 of the present invention is applied.
  • FIG. 2 is a configuration diagram illustrating the landing door device 25 according to Embodiment 1 of the present invention.
  • the landing door open detection device includes an engagement plate 11 provided on the car 9, a landing door device 25, and a control device 13.
  • the elevator car 9 is arranged in the hoistway 1.
  • the hoisting machine 6 functions as a driving device that drives the raising and lowering of the car 9. That is, the car 9 is suspended in a slidable manner together with a counterweight 8 on the other end side by a rope 7 wound around a sheave provided in the hoisting machine 6. The car 9 is driven up and down by a motor provided in the hoisting machine 6.
  • a landing 2 is provided on each floor of the hoistway 1.
  • a landing door 3 is provided at the entrance of each landing 2.
  • a landing door device 25 for opening and closing the landing door 3 is provided on the hoistway 1 side of each landing 2.
  • a plate 5 corresponding to each floor is provided on the wall portion of the hoistway 1.
  • the landing door device 25 is fixed to the upper part of the entrance / exit of the landing 2.
  • the landing door device 25 includes a connection device 4, a rail 16, a landing door open detection switch 17, a fixed piece 18, a fixed piece 19, a car door opening / closing operation unit 20, an unlocking operation unit 21, A mounting bracket 22, an interlock device 23, and an unlocking device 24 are provided.
  • the landing door device 25 is provided corresponding to each landing door 3 by opening and closing the landing door 3 provided in each landing 2.
  • a car door device (not shown) that opens and closes the car door 10 provided at the entrance of the car 9 is provided on the platform 2 side of the car 9.
  • the car door device is fixed to the upper part of the entrance / exit of the car 9.
  • the car door device includes a rail for suspending the car door 10 and a door motor for opening and closing the car door 10.
  • a pair of engagement plates 11 are fixed on the platform 2 side above the car door device.
  • the pair of engagement plates 11 are configured to be positioned on both sides of the connection device 4 of the landing door device 25 provided in each landing 2 when the car 9 reaches the landing 2.
  • the car 9 is provided with a landing detection device 12 positioned above the engagement plate 11.
  • the operation state of the landing door 3, the detection state of the landing detection device 12, and the like are grasped by the control device 13.
  • the control device 13 sequentially updates, for example, a CPU (Central Processing Unit) that executes arithmetic processing, a ROM (Read Only Memory) that stores data such as program data and fixed value data, and the stored data. This is realized by a rewritten RAM (Random Access Memory).
  • a CPU Central Processing Unit
  • ROM Read Only Memory
  • the control device 13 Based on the operating state of the landing door 3, the detection state of the landing detection device 12, and the like, the control device 13 opens the landing door 3 in a different situation from the control unit 14 that controls the operation of the hoisting machine 6. And a determination unit 15 that determines this.
  • a rail 16 is fixed to the landing door device 25 fixed to the upper part of the entrance / exit of the landing 2.
  • An operation unit 20 for opening and closing the car door and an operation unit 21 for unlocking are suspended from the rail 16.
  • the landing door 3 is fixed to the operation unit 20 when the car door is opened and closed.
  • a mounting bracket 22 is fixed to the landing door device 25.
  • the fixing piece 18 is fixed to the attachment metal 22.
  • a landing door open detection switch 17 located above the fixed piece 18 is fixed to the mounting bracket 22.
  • the mounting bracket 22 is provided with the landing door open detection switch 17 and the fixed piece 18 (first fixed piece).
  • An interlock device 23 is rotatably attached to the unlocking operation unit 21.
  • An engaging portion 231 is provided at the tip of the interlock device 23.
  • the engaging part 231 is provided so as to engage with the upper part of the fixed piece 18 when the unlocking operation part 21 and the attachment metal 22 come close to each other.
  • a contact portion 232 is provided at the tip of the engagement portion 231, and is arranged so as to contact the upper side of the landing door open detection switch 17 when the engagement portion 231 engages with the fixed piece 18.
  • the fixing piece 19 is fixed to the unlocking operation unit 21.
  • the unlocking operation unit 21 is brought into contact with the engaging portion 231 (first engaging portion) that engages with the fixing piece 18 (first fixing piece) and the landing door opening detection switch 17.
  • the interlock device 23 provided with the portion 232 and the fixing piece 19 (second fixing piece) are provided.
  • the unlocking device 24 is provided on the upper part of the landing door 3.
  • the connection device 4 is rotatably attached to the car door opening / closing operation unit 20.
  • An engaging portion 401 is provided at the tip of the connection device 4. The engaging portion 401 is provided so as to engage with the upper portion of the fixed piece 19 when the unlocking operation portion 21 and the car door opening / closing operation portion 20 are close to each other.
  • the operation unit 20 at the time of opening and closing the car door is provided with the connection device 4 provided with the engaging portion 401 (second engaging portion) that engages with the fixing piece 19 (second fixing piece). .
  • the engagement plate 11 fixed to the car door device is located on both sides of the connection device 4 when the car 9 reaches the landing 2.
  • FIG. 3 is a configuration diagram illustrating an operation performed when the landing door device 25 according to Embodiment 1 of the present invention opens the landing door 3 in a normal situation.
  • FIG. 4 is a configuration diagram illustrating an operation performed when the landing door device 25 according to Embodiment 1 of the present invention opens the landing door 3 in a situation different from normal.
  • “the landing door 3 opens in a normal situation” means “the landing door 3 can be opened by the car door 10”.
  • the landing door 3 opens in a different situation means “the landing door 3 can be opened without depending on the car door 10”.
  • the car door opening / closing operation portion 20 moves in the opening direction together with the car door 10.
  • the landing door 3 fixed to the operating unit 20 when the car door is opened and closed also moves in the opening direction.
  • the interlock device 23 maintains the state in which the engaging portion 231 is engaged with the fixed piece 18 fixed to the mounting bracket 22. Therefore, the unlocking operation unit 21 does not move in the opening direction with the movement of the car door opening / closing operation unit 20 in the opening direction, and therefore, the contact portion 232 of the interlock device 23 and the landing door opening detection switch 17 Contact is also maintained.
  • the landing door device 25 when the landing door 3 is opened in a different situation will be described with reference to FIG.
  • a maintenance person or the like opens the landing door 3 from the landing 2 side in order to enter the hoistway 1 for maintenance work.
  • the maintenance person When a maintenance person enters the hoistway 1, the maintenance person inserts a dedicated key into the unlocking device 24 from the landing 2 side at the hall 2, and operates the unlocking device 24.
  • the interlock device 23 rotates clockwise in FIG. By this rotation, the engaging portion 231 of the interlock device 23 is released from the engagement with the fixed piece 18.
  • the maintenance staff moves the landing door 3 in the opening direction from the landing 2 side.
  • the engaging portion 401 of the connecting device 4 is engaged with the fixed piece 19 fixed to the unlocking operation portion 21, the cage door opening and closing operation portion 20 and the unlocking operation portion 21 are Works as one.
  • the unlocking operation unit 21 also moves in the opening direction.
  • the contact unit 232 of the interlock device 23 is released from contact with the landing door opening detection switch 17. Further, after the operation of the unlocking device 24, the interlock device 23 rotates counterclockwise in FIG. 4 due to its own weight.
  • the unlocking device 24 is configured to move from the landing 2 side to the opening direction so that the landing door 3 can be moved in the opening direction by operating from the landing 2 side.
  • the landing door 3 moves in the closing direction after moving in the opening direction.
  • the car door opening / closing operation unit 20 presses the unlocking operation unit 21 leftward in FIG. 4.
  • the car door opening / closing operation unit 20 and the unlocking operation unit 21 move together in the closing direction. Therefore, the unlocking operation unit 21 moves in the closing direction as the landing door 3 moves in the closing direction.
  • the engaging portion 231 of the interlock device 23 is engaged with the fixed piece 18.
  • the contact portion 232 of the interlock device 23 contacts the landing door open detection switch 17.
  • the unlocking operation unit 21 is configured to move in the opening direction as the landing door 3 is moved in the opening direction from the landing 2 side. Further, the car door opening / closing operation unit 20 separates from the unlocking operation unit 21 and moves in the opening direction as the car door 10 provided in the car 9 moves in the opening direction. As the landing door 3 is moved in the opening direction, it is configured to move in the opening direction integrally with the unlocking operation unit 21.
  • the interlock device 23 is rotated so that the engaging portion 231 is engaged with the fixed piece 18.
  • the contact portion 232 is released from contact with the landing door opening detection switch 17 and is moved together with the car door opening / closing operation portion 20 in the opening direction.
  • the operation unit 20 at the time of opening and closing the car door opens the engagement unit 401 from the engagement with the fixed piece 19 by rotating the connecting device 4. It is configured to move away from the lock operating unit 21 in the opening direction.
  • FIG. 5 is a circuit diagram illustrating a detection circuit of the elevator door open detection device according to the first embodiment of the present invention.
  • the operation of the detection circuit when the landing door device 25 operates in a normal situation that is, when the landing door 3 is opened and closed as the car door 10 is opened and closed will be described.
  • the unlocking operation unit 21 does not move in the opening direction, and the contact between the contact part 232 of the interlock device 23 and the landing door open detection switch 17 is also maintained, so that the contact 26 of the landing door open detection switch 17 is maintained. Is kept closed. Therefore, when the landing door 3 is opened and closed as the car door 10 is opened and closed, the signal from the power source 27 to the control device 13 is not interrupted.
  • the operation of the detection circuit when the landing door device 25 operates in a situation different from normal, that is, when the landing door 3 is opened and closed from the landing 2 side will be described.
  • the unlocking operation unit 21 since the unlocking operation unit 21 also moves with the movement of the landing door 3, the contact portion 232 of the interlock device 23 is released from contact with the landing door open detection switch 17. Therefore, the contact 26 of the landing door open detection switch 17 is opened. That is, the landing door open detection switch 17 is configured such that the contact 26 opens when the unlocking operation unit 21 moves in the opening direction.
  • the signal from the power source 27 to the control device 13 is cut off. That is, when the landing door 3 is opened and closed from the landing 2 side, the signal from the power source 27 to the control device 13 is cut off.
  • the determination unit 15 of the control device 13 determines that the landing door 3 has been opened in a situation different from normal. In this case, the control unit 14 makes the elevator car 9 unable to travel. Thereafter, the determination unit 15 determines whether or not a specific reset operation has been performed. If it is determined that the reset operation has been performed, the control unit 14 sets the elevator car 9 in a state where it can travel.
  • the operation of the unlocking operation unit 21 configured to operate only when the landing door 3 is opened from the landing 2 side is detected by the landing door open detection switch 17, so that the landing door from the landing 2 side is detected. It can be detected that 3 is opened.
  • the landing door open detection switch 17 is configured to detect that the unlocking operation unit 21 has moved in the opening direction. Specifically, when the contact part 232 of the unlocking operation part 21 is released from contact with the landing door opening detection switch 17, the unlocking action part 21 moves in the opening direction. Configured to detect that. Further, the control device 13 detects that the landing door 3 has been opened in an unusual situation when the unlocking operation unit 21 detects that the unlocking operation unit 21 has moved in the opening direction, that is, the landing door. 3 is detected without being opened by the car door 10.
  • the control device 13 when it is not detected by the landing door open detection switch 17 that the unlocking operation unit 21 has moved in the opening direction, the control device 13 indicates that the landing door 3 has been opened in a normal situation, that is, the landing door 3 is detected to be opened by the car door 10. In this way, the control device 13 detects whether or not the landing door 3 is opened by the car door 10 when the landing door 3 is opened based on the detection result by the landing door open detection switch 17.
  • the following configuration is conceivable as a configuration for detecting that the landing door is opened in an unusual situation. That is, a configuration including a landing door opening detection unit that detects that the landing door provided at each landing is opened, a car door opening detection unit that detects the start of the opening of the car door, and a determination unit can be considered.
  • the determination unit displays the detection result of the landing door opening detecting unit corresponding to the landing floor where the car is landing. To enable.
  • the determination unit detects the landing door opening detecting unit corresponding to the landing floor of the car. Invalidate results.
  • the landing door open detection device it is only necessary to use the landing door open detection switch 17 as the detection unit, and thus it is not necessary to adjust the detection timing of the plurality of detection units, and it is unnecessary. There is no need for wiring. Therefore, it is possible to easily install and adjust the equipment.
  • the landing door opening detection switch 17 may have any configuration as long as it detects the operation of the unlocking operation unit 21.
  • a displacement meter, a contact sensor, or the like can be used.
  • the unlocking operation unit 21 that operates as the landing door 3 is moved in the opening direction from the landing 2 side, and the unlocking operation unit 21 is operated.
  • the car door opening detection switch 17 and the car door 10 move in the opening direction, they move away from the unlocking operation unit 21 and move in the opening direction, and the hall door 3 moves in the opening direction from the hall 2 side.
  • the car door opening / closing operation unit 20 that moves in the opening direction and operates the unlocking operation unit 21 and the control device 13 are provided.
  • the control device 13 is configured to detect whether or not the landing door 3 is opened by the car door 10 based on the detection result by the landing door open detection switch 17.
  • the unlocking operation unit 21 moves in the opening direction as the landing door 3 is moved in the opening direction from the landing 2 side
  • the car door opening / closing operation unit 20 moves the landing door 3 from the landing 2 side.
  • the control device 13 detects that the landing door 3 has been opened without depending on the car door 10 when it is detected by the landing door open detection switch 17 that the unlocking operation unit 21 has moved in the opening direction.
  • the platform door 3 is detected not to be opened by the car door 10.
  • the unlocking operation unit 21 operates only when the landing door 3 is opened from the landing 2 side, and the operation of the unlocking operation unit 21 is detected by the landing door opening detection switch 17.
  • the landing door opening detection switch 17 detects that the landing door 3 is opened in a situation different from normal. That is, by configuring in this way, it is possible to detect whether the landing door 3 is opened by the car door 10 when the landing door 3 is opened.
  • FIG. 1 a landing door open detection device provided with a landing door device 25a having a configuration different from that of the landing door device 25 of the first embodiment will be described.
  • description of points that are the same as in the first embodiment will be omitted, and differences from the first embodiment will be mainly described.
  • the same components as those in the first embodiment are denoted by the same reference numerals as those described above, or denoted by “a” after the same symbols, and detailed description thereof is omitted here.
  • FIG. 6 is a configuration diagram showing the landing door device 25a according to the second embodiment of the present invention.
  • the engaging portion 401 provided at the tip of the connecting device 4 is engaged with the fixed piece 19 fixed to the unlocking operation portion 21. It is configured.
  • such a configuration is not employed in the landing door device 25a of the second embodiment.
  • the landing door device 25a includes a connecting device 4a, a rail 16a, a landing door open detection switch 17a, a fixed piece 18a, a car door opening / closing operation unit 20a, and an unlocking operation unit 21a.
  • a gold 22a, an interlock device 23a, an unlocking device 24a, and a pair of magnets 28a are provided.
  • the connecting device 4a is rotatably attached to the operation unit 20a when the car door is opened and closed.
  • An engaging portion 401a is provided at the tip of the connection device 4a.
  • An interlock device 23a is rotatably attached to the unlocking operation unit 21a.
  • An engaging portion 231a is provided at the tip of the interlock device 23a.
  • the engaging portion 231a of the interlock device 23a is provided so as to engage with the upper portion of the fixed piece 18a when the unlocking operation portion 21a and the attachment metal 22a are close to each other.
  • the interlock device 23a is provided with a fixing portion 233a.
  • the engaging portion 401a of the connecting device 4a is provided so as to engage with the upper portion of the fixing portion 233a of the interlock device 23a when the unlocking operation portion 21a and the car door opening / closing operation portion 20a are close to each other.
  • a magnet 28a is provided at a position opposite to each other when the car door opening / closing operation unit 20a and the unlocking operation unit 21a are engaged.
  • Each magnet 28a is arrange
  • the mounting door 22a is provided with the landing door open detection switch 17a and the fixed piece 18a.
  • the unlocking operation portion 21a is provided with an engaging portion 231a (first engaging portion) that engages with the fixed piece 18a, a contact portion 232a that contacts the landing door open detection switch 17a, and a fixing portion 233a.
  • An interlock device 23a is provided.
  • the car door opening / closing operation unit 20 is provided with a connecting device 4a provided with an engaging portion 401a (second engaging portion) that engages with the fixing portion 233a.
  • FIG. 7 is a configuration diagram illustrating an operation performed by the landing door device 25a according to the second embodiment of the present invention when the landing door 3a opens in a normal situation.
  • FIG. 8 is a configuration diagram illustrating an operation performed when the landing door device 25a according to Embodiment 2 of the present invention opens the landing door 3a in a situation different from normal.
  • the car 9 reaches the landing 2 and the car door 10 moves in the opening direction by the power of the door motor.
  • the engagement plate 11 moves to the right in FIG.
  • one of the engagement plates 11 presses the connecting device 4a to the right side in FIG.
  • the connecting device 4a rotates clockwise in FIG.
  • the engaging portion 401a of the connecting device 4a is released from the engagement with the fixing portion 233a of the interlock device 23a.
  • the car door opening / closing operation portion 20a moves in the opening direction together with the car door 10.
  • the landing door 3a fixed to the operation part 20a when the car door is opened and closed also moves in the opening direction.
  • the interlock device 23a maintains the state in which the engaging portion 231a is engaged with the fixed piece 18a fixed to the attachment metal 22a. Since the force with which the engaging portion 231a is engaged with the fixed piece 18a is stronger than the force with which the pair of magnets 28a attract each other, the unlocking operation portion 21a does not move in the opening direction. Therefore, the contact between the contact portion 232a of the interlock device 23a and the landing door open detection switch 17a is also maintained.
  • the interlock device 23a rotates clockwise in FIG. By this rotation, the engaging portion 231a of the interlock device 23a is released from the engagement with the fixed piece 18a. At this time, since the engaging portion 401 of the connecting device 4a is engaged with the fixing portion 233a of the interlock device 23a, the connecting device 4a rotates clockwise in FIG. 8 according to the rotation of the interlock device 23a. Rotate.
  • the maintenance door 3a is moved in the opening direction by the maintenance staff.
  • the engagement portion 401a of the connection device 4a is in a state of being engaged with the fixing portion 233a of the interlock device 23a, and the cage door opening / closing operation portion 20a and the unlocking operation portion 21a are engaged by the magnet 28a.
  • pulling forces act on each other. Therefore, the car door opening / closing operation unit 20a and the unlocking operation unit 21a operate as a unit.
  • the unlocking operation unit 21a also moves in the opening direction as the landing door 3a moves.
  • the contact portion 232a of the interlock device 23a is released from contact with the landing door open detection switch 17a. Further, after the operation of the unlocking device 24a, the interlock device 23a and the connecting device 4a rotate counterclockwise in FIG. 8 due to their own weight.
  • the landing door 3a moves in the closing direction after moving in the opening direction.
  • the car door opening / closing operation unit 20a presses the unlocking operation unit 21a to the left in FIG.
  • the car door opening / closing operation part 20a and the unlocking operation part 21a move together in the closing direction. Therefore, the unlocking operation unit 21a also moves in the closing direction as the landing door 3a moves in the closing direction.
  • the engaging portion 231a of the interlock device 23a engages with the fixed piece 18a.
  • the contact portion 232a of the interlock device 23a is in contact with the landing door open detection switch 17a.
  • the interlock device 23a rotates so that the engaging portion 231a engages with the fixed piece 18a. And the contact portion 232a is released from contact with the landing door open detection switch 17a, and moves together with the car door opening / closing operation portion 20a in the opening direction.
  • the car door opening / closing operation unit 20a is rotated by the connecting device 4a so that the engaging part 401a is released from the engagement with the fixing part 233a and is opened. It is configured to move in the opening direction by being separated from the lock operation unit 21a.
  • the operation of the unlocking operation unit 21a configured to operate only when the landing door 3a is opened from the landing 2 side is detected by the landing door open detection switch 17a.
  • the landing door open detection switch 17a it is possible to detect that the landing door 3a is opened from the landing 2 side. That is, by configuring in this way, it is possible to detect whether or not the landing door 3a is opened by the car door 10 when the landing door 3a is opened.
  • the engaging portion 231a that engages with the fixing piece 18a and the fixing portion 233a that engages with the engaging portion 401a of the connecting device 4a are integrated with the interlock device 23a. Since it is provided, the number of parts of the landing door device 25a can be reduced. As a result, the landing door device 25a can be reduced in size and layout can be improved.
  • the landing door device having a configuration different from that of the first embodiment is provided, the same effect as that of the first embodiment is obtained. It is done.
  • Embodiment 3 In a third embodiment of the present invention, a landing door open detection device including a landing door device 25b having a configuration different from that of the landing door devices 25 and 25a of the first and second embodiments will be described.
  • description of points that are the same as in the first and second embodiments will be omitted, and differences from the first and second embodiments will be mainly described.
  • the same components as those of the first embodiment are denoted by the same reference numerals as those described above or denoted by “b” after the same symbols, and detailed description thereof is omitted here.
  • FIG. 9 is a configuration diagram showing a landing door device 25b according to Embodiment 3 of the present invention.
  • the landing door device 25b includes a connecting device 4b, a rail 16b, a landing door open detection switch 17b, a car door opening / closing operation unit 20b, an unlocking operation unit 21b, a mounting bracket 22b, and an opening.
  • the locking device 24b, the fixed piece 29b, the fixed piece 30b, and a pair of magnets 31b are provided.
  • connection device 4b is rotatably attached to the operation unit 20b when the car door is opened and closed.
  • An engaging portion 401b is provided at the tip of the connection device 4b.
  • the engaging portion 401b of the connecting device 4b is provided so as to engage with the upper portion of the fixed piece 29b fixed to the mounting bracket 22b when the landing door 3b is closed.
  • a contact portion 32b is provided at the end of the unlocking operation portion 21b, and the contact portion 32b contacts above the landing door opening detection switch 17b when the unlocking operation portion 21b and the mounting bracket 22b are close to each other. To be arranged.
  • the fixing piece 30b is fixed to the unlocking operation portion 21b.
  • the magnet 31b is provided in the position which opposes to the operation part 21b and the attachment metal 22b at the time of unlocking.
  • Each magnet 31b is arrange
  • the mounting door 22b is provided with the landing door open detection switch 17b and the fixed piece 29b (first fixed piece).
  • the unlocking operation portion 21b is provided with a contact portion 32b that contacts the landing door open detection switch 17b and a fixed piece 30b (second fixed piece).
  • the car door opening / closing operation portion 20b is provided with a connecting device 4b provided with an engaging portion 401 that engages with each of the fixed piece 29b and the fixed piece 30b.
  • FIG. 10 is a configuration diagram illustrating an operation performed by the landing door device 25b according to Embodiment 3 of the present invention when the landing door 3b opens in a normal situation.
  • FIG. 11 is a block diagram which shows the operation
  • the car 9 reaches the landing 2 and the car door 10 moves in the opening direction by the power of the door motor.
  • the engagement plate 11 moves to the right in FIG.
  • one of the engagement plates 11 presses the connection device 4b to the right in FIG.
  • the connecting device 4b rotates clockwise in FIG.
  • the engaging portion 401b of the connecting device 4b is released from the engagement with the fixing piece 29b of the attachment metal 22b.
  • the car door opening / closing operation part 20b moves in the opening direction together with the car door 10.
  • the landing door 3b fixed to the operation part 20b at the time of opening and closing the car door also moves in the opening direction.
  • the connecting device 4b rotates clockwise in FIG. By this rotation, the engaging portion 401b of the connecting device 4b is released from the engagement with the fixed piece 29b.
  • the maintenance door 3b is moved in the opening direction by the maintenance staff.
  • the connecting device 4b rotates counterclockwise in FIG. 11 due to its own weight.
  • the connection apparatus 4b moves to the right of FIG. 11 according to the movement of the landing door 3b in the state rotated in the counterclockwise direction.
  • the engaging portion 401b of the connecting device 4b engages with the fixed piece 30b fixed to the unlocking operation portion 21b. Since the engaging force of the engaging portion 401b of the connecting device 4b and the fixed piece 30b is stronger than the force of attracting each other acting between the magnets 31b, the cage door opening / closing operation portion 20b and the unlocking operation portion. 21b operates integrally.
  • the unlocking operation unit 21b also moves in the opening direction.
  • the contact portion 32b of the unlocking operation portion 21b is released from contact with the landing door opening detection switch 17b.
  • the landing door 3b moves in the closing direction after moving in the opening direction.
  • the car door opening / closing operation unit 20b presses the unlocking operation unit 21b to the left in FIG.
  • the car door opening / closing operation part 20b and the unlocking operation part 21b are integrally moved in the closing direction. Therefore, the unlocking operation unit 21b also moves in the closing direction as the landing door 3b moves in the closing direction.
  • the engaging portion 401b of the connecting device 4b is engaged with the fixed piece 29b. Under the present circumstances, the contact part 32b of the operation part 21b at the time of unlocking contacts the landing door open detection switch 17b.
  • the connecting device 4b rotates, so that the engaging portion 401 is engaged with the fixed piece 29b. It is opened and engaged with the fixed piece 30b, and the contact portion 32b is released from contact with the landing door opening detection switch 17b and moves in the opening direction integrally with the car door opening / closing operation portion 20b. Has been.
  • the operation unit 20b at the time of opening and closing the car door opens the engagement part 401b from the engagement with the fixed piece 29b by rotating the connecting device 4b. It is configured to move in the opening direction by being separated from the lock operation unit 21b.
  • the operation of the unlocking operation unit 21b configured to operate only when the landing door 3b is opened from the landing 2 side is detected by the landing door open detection switch 17b.
  • the landing door open detection switch 17b it can be detected that the landing door 3b is opened from the landing 2 side. That is, by configuring in this way, it is possible to detect whether or not the landing door 3b is opened by the car door 10 when the landing door 3b is opened.
  • the layout can be improved.
  • the landing door device having a configuration different from that of the first and second embodiments is provided, the same effect as that of the first embodiment is obtained. Is obtained.
  • Embodiment 4 FIG.
  • a landing door open detection device including a landing door device 25c having a different configuration from the landing door devices 25, 25a, and 25b of the first to third embodiments will be described.
  • description of points that are the same as in the first to third embodiments will be omitted, and differences from the first to third embodiments will be mainly described.
  • the same components as those of the first embodiment are denoted by the same reference numerals as those described above or denoted by “c” after the same symbols, and detailed description thereof is omitted here.
  • FIG. 12 is a configuration diagram showing a landing door device 25c according to the fourth embodiment of the present invention.
  • the landing door device 25b according to the third embodiment is configured to restrain the unlocking operation unit 21b and the attachment metal 22b by the attractive force of the magnet 31b.
  • such a configuration is not adopted in the landing door device 25c of the fourth embodiment.
  • the landing door device 25c includes a connecting device 4c, a rail 16c, a landing door open detection switch 17c, a fixed piece 18c, a car door opening / closing operation portion 20c, and an unlocking operation portion 21c.
  • a gold 22c, an interlock device 23c, an unlocking device 24c, a fixing piece 29c, and a fixing piece 30c are provided.
  • the interlock device 23c is rotatably attached to the unlocking operation unit 21c.
  • An engaging portion 231c is provided at the tip of the interlock device 23c.
  • the engaging portion 231c of the interlock device 23c is provided so as to engage with the upper portion of the fixed piece 18c fixed to the attachment metal 22c when the unlocking operation portion 21c approaches the attachment metal 22c.
  • a pressing rod 234c is attached to the upper part of the interlock device 23c.
  • the pressing rod 234c rotates the connecting device 4c clockwise in FIG. 12 when the unlocking device 24c operates and the interlock device 23c rotates clockwise in FIG.
  • the mounting door 22c is provided with the landing door open detection switch 17c, the fixed piece 18c (first fixed piece), and the fixed piece 29c (second fixed piece).
  • the unlocking operation portion 21c includes an interlock device 23c provided with an engagement portion 231c (first engagement portion) that engages with the fixed piece 18c and a pressing rod 234c, a landing door open detection switch 17c, The contact part 32c which contacts and the fixed piece 30c (3rd fixed piece) are provided.
  • the car door opening / closing operation unit 20c is provided with a connection device 4c provided with an engaging part 401c (second engaging part) that engages with each of the fixed piece 29c and the fixed piece 30c.
  • the interlock device 23 is rotated so that the engaging portion 231c is engaged with the fixed piece 18c.
  • the pressing bar 234c presses the connecting device 4c and the connecting device 4c is rotated by the pressing by the pressing bar 234c, so that the engaging portion 401c is released from the engagement with the fixing piece 29c, and the fixing piece 30c.
  • the contact portion 32c is released from the contact with the landing door open detection switch 17c and moves in the opening direction integrally with the car door opening / closing operation portion 20c.
  • the car door opening / closing operation unit 20c is opened by the connection device 4c rotating so that the engaging part 401c is released from the engagement with the fixed piece 29c. It is configured to move in the opening direction by being separated from the lock operation unit 21c.
  • the engaging portion of the fixing piece 30c fixed to the unlocking operation portion 21c may be a multi-stage engaging portion.
  • the engaging portion 401c of the connection device 4c may be a multistage engaging portion. Accordingly, in the operation of the landing door device 25c when the landing door 3c is opened from the landing 2 side, when the connecting device 4c moves to the right in FIG. 12, the engaging portion 401c and the fixed piece 30c of the connecting device 4c. The time delay until the engagement can be shortened.
  • each engaging part of the engaging part 401c and the fixed piece 30c is a one-stage engaging part
  • the shift of the timing at which the connecting device 4c rotates counterclockwise in FIG. Therefore, it is necessary to adjust the position of the fixed piece 30c so that the engaging portion 401c and the fixed piece 30c can be engaged even in the slowest case.
  • each engaging part of the engaging part 401c and the fixing piece 30c is a multi-stage engaging part
  • the engaging parts at any one stage may be engaged with each other. Can be arranged on the left side in FIG. Thereby, the time delay until the engaging part 401c of the connecting device 4c engages with the fixed piece 30c can be shortened.
  • the operation of the unlocking operation unit 21c configured to operate only when the landing door 3c is opened from the landing 2 side is detected by the landing door open detection switch 17c. By doing so, it can be detected that the landing door 3c is opened from the landing 2 side. That is, by configuring in this way, it is possible to detect whether or not the landing door 3c is opened by the car door 10 when the landing door 3c is opened.
  • Embodiment 5 FIG.
  • a fifth embodiment of the present invention a case will be described in which an elevator landing door open detection device is applied to an elevator having a configuration different from that of the first embodiment.
  • description of points that are the same as in the first to fourth embodiments will be omitted, and differences from the first to fourth embodiments will be mainly described.
  • the same components as those in the first embodiment are denoted by the same reference numerals as those described above or denoted by “d” after the same symbols, and detailed description thereof is omitted here.
  • FIG. 13 is a block diagram showing an elevator according to Embodiment 5 of the present invention.
  • positioned in the hoistway 1 is not necessarily limited to two, Three or more elevators may be arranged in the hoistway 1.
  • the landing door open detection device of the first embodiment is applied to the elevator shown in FIG.
  • the elevator car 9d of the first elevator is suspended in a slidable manner together with a counterweight 8d on the other end side by a rope 7d wound around a sheave provided in the hoisting machine 6d.
  • the car 9d is driven up and down by a motor provided in the hoisting machine 6d.
  • the car 109d is suspended in a hanging manner together with a counterweight 108d on the other end side by a rope 107d wound around a sheave provided in the hoisting machine 106d.
  • the car 109d is driven up and down by a motor provided in the hoisting machine 106d.
  • a car door device (not shown) for opening and closing the car door 10d provided at the entrance of the car 9d is provided on the platform 2 side of the car 9d.
  • a car door device (not shown) that opens and closes the car door 110d provided at the entrance / exit of the car 109d is provided on the platform 2 side of the car 109d.
  • a pair of engagement plates 11d are fixed to the landing 2 side of the upper part of the car door device of the car 9d.
  • a pair of engagement plates 111d are fixed to the hall 2 side of the car door device at the top of the car 109d.
  • the car 9d is provided with a landing detection device 12d located above the engagement plate 11d.
  • the car 109d is provided with a landing detection device 112d located above the engagement plate 111d.
  • the landing door device 25 of the first embodiment is fixed to the upper part of the entrance / exit of the landing 2 provided on each floor of the hoistway 1.
  • the operation of the landing door device 25 when the landing door 3 opens in a normal situation will be described.
  • the operation of the landing door device 25 when the first elevator car 9d has landed on the landing 2 will be described.
  • the car 9d reaches the landing 2 and the car door 10d moves in the opening direction by the power of the door motor.
  • the landing door device 25 is operated by the movement of the car door 10d, only the car door opening / closing operation unit 20 moves in the opening direction, and the unlocking operation unit 21 does not move.
  • the operation of the landing door device 25 when the landing door 3 opens in a different situation than usual will be described.
  • the unlocking operation unit 21 and the car door opening / closing operation unit 20 operate together as the landing door 3 moves. Since the unlocking operation unit 21 moves in the opening direction, the interlock device 23 attached to the unlocking operation unit 21 also moves.
  • the contact portion 232 of the interlock device 23 is released from contact with the landing door open detection switch 17.
  • the contact 26 of the landing door open detection switch 17 is opened.
  • the signal from the power source 27 to the control device 13 is interrupted.
  • the determination unit 15 of the control device 13 determines that the landing door 3 has been opened in a situation different from normal. In this case, the control unit 14 makes a state where both the first elevator car 9d and the second elevator car 109d cannot travel.
  • Embodiment 5 demonstrated the case where the landing door opening detection apparatus of previous Embodiment 1 was applied with respect to the elevator shown in FIG. 13, previous embodiment with respect to the elevator shown in FIG. The same effect can be obtained by applying each of the 2 to 4 landing door open detection devices.
  • each landing door open detection device of the first to fourth embodiments is applied to an elevator including a plurality of cars arranged in a hoistway. Can do.
  • Embodiment 6 a landing door open detection device including a landing door device 25e having a different configuration from the landing door devices 25, 25a, 25b, and 25c of the first to fourth embodiments will be described.
  • description of points that are the same as in the first to fourth embodiments will be omitted, and differences from the first to fourth embodiments will be mainly described.
  • the same components as those in the first embodiment are denoted by the same reference numerals as those described above or denoted by “e” after the same symbols, and detailed description thereof is omitted here.
  • FIG. 14 is a configuration diagram showing a landing door device 25e according to the sixth embodiment of the present invention.
  • the engaging portion 401c of the connecting device 4c is engaged with the fixed piece 30c provided in the unlocking operation portion 21c by the rotation of the interlock device 23. It is configured as follows. On the other hand, such a configuration is not adopted in the landing door device 25e of the sixth embodiment.
  • the landing door device 25e includes a connecting device 4e, a rail 16e, a landing door open detection switch 17e, a fixed piece 18e, a car door opening / closing operation portion 20e, a mounting bracket 22e, and an interlock device 23e. And an unlocking device 24e and an unlocking operation unit 34e.
  • the mounting door 22e is provided with a landing door open detection switch 17e, a fixed piece 18e, and an unlocking operation unit 34e.
  • the unlocking operation unit 34e is provided with a contact unit 342e that contacts the landing door opening detection switch 17e, a holding mechanism 343e that holds the rotation state of the unlocking operation unit 34e, and a fixing unit 344e.
  • the unlocking operation unit 34e is rotatably attached to the attachment 22e.
  • the car door opening / closing operation unit 20e is provided with an interlock device 23e and a connection device 4e.
  • the interlock device 23e is rotatably attached to the operation unit 20e when the car door is opened and closed.
  • An engaging portion 231e is provided at the tip of the interlock device 23e.
  • the engaging portion 231e of the interlock device 23e is provided so as to engage with the upper portion of the fixed piece 18e fixed to the mounting bracket 22e when the cage door opening / closing operation portion 20e approaches the mounting bracket 22e.
  • connection device 4e is rotatably attached to the operation unit 20e when the car door is opened and closed.
  • An engaging portion 401e is provided at the tip of the connection device 4e.
  • the engaging part 401e of the connecting device 4e is located above the fixing part 344e provided in the unlocking operation part 34e attached to the attachment metal 22e when the operation part 20e at the time of opening and closing the car door is close to the attachment metal 22e. It is provided to engage.
  • a pressing rod 403e is attached to the upper part of the connecting device 4e.
  • the connecting device 4e is rotated clockwise in FIG. 14 by the engagement plate 11, the pressing rod 403e rotates the interlock device 23e clockwise in FIG.
  • the mounting door 22e is provided with the landing door opening detection switch 17e, the fixed piece 18e, and the unlocking operation section 34e.
  • the unlocking operation part 34e is provided with a contact part 342e that contacts the landing door open detection switch 17e and a fixing part 344e.
  • the interlocking device 23e provided with the engaging portion 231e (first engaging portion) that engages with the fixing piece 18e and the engaging portion that engages with the fixing portion 344e are provided in the cage door opening / closing operation portion 20e.
  • a connecting device 4e provided with a portion 401e (second engaging portion) and a pressing rod 403e is provided.
  • FIG. 15 is a block diagram which shows the operation
  • FIG. 16 is a block diagram which shows the operation
  • the car door opening / closing operation portion 20e moves together with the car door 10 in the opening direction.
  • the landing door 3e fixed to the operation part 20e when the car door is opened and closed also moves in the opening direction.
  • the unlocking operation unit 34e is held by a force acting by the holding mechanism 343e and thus does not rotate. Therefore, the contact between the contact portion 342e of the unlocking operation portion 34e and the landing door open detection switch 17e is maintained.
  • the engaging portion 401e of the connecting device 4e is engaged with the fixing portion 344e of the unlocking operation portion 34e, and the engaging portion 231e of the interlock device 23e is engaged with the fixing piece 18e. To do.
  • the interlock device 23e rotates clockwise in FIG. By this rotation, the engaging portion 231e of the interlock device 23e is released from the engagement with the fixed piece 18e. At this time, the connecting device 4e does not rotate, and the engaging portion 401e of the connecting device 4e is kept engaged with the fixing portion 344e of the unlocking operation portion 34e.
  • the maintenance door 3e is moved in the opening direction by the maintenance staff.
  • the engaging portion 401e of the connecting device 4e is engaged with the fixing portion 344e of the unlocking operation portion 34e. Therefore, the unlocking operation unit 34e rotates clockwise in FIG. 16 in accordance with the movement of the car door opening / closing operation unit 20e in the opening direction.
  • the contact unit 342e of the unlocking operation unit 34e is released from contact with the landing door opening detection switch 17e.
  • the engagement part 401e of the connection device 4e is brought into contact with the fixing part 344e of the unlocking operation part 34e by the rotation of the unlocking operation part 34e. Is released from the engagement. Since the direction of the force applied by the holding mechanism 343e changes according to the rotation of the unlocking operation unit 34e, the unlocking operation unit 34e is held in a rotated state. Further, after the operation of the unlocking device 24e, the interlock device 23e rotates counterclockwise in FIG. 16 due to its own weight.
  • the landing door 3e moves in the closing direction after moving in the opening direction.
  • the car door opening / closing operation unit 20e also moves in the closing direction.
  • the connection device 4e presses the unlocking operation unit 34e to the left in FIG.
  • the unlocking operation unit 34e rotates counterclockwise in FIG.
  • the engaging portion 231e of the interlock device 23e is engaged with the fixing piece 18e, and the engaging portion 401e of the connecting device 4e is engaged with the fixing portion 344e of the unlocking operation portion 34e.
  • the contact part 342e of the unlocking operation part 34e is in contact with the landing door open detection switch 17e.
  • the direction of the force generated by the holding mechanism 343e is changed to the direction in which the contact portion 342e maintains contact with the landing door open detection switch 17e by the rotation of the unlocking operation portion 34e counterclockwise.
  • the car door opening / closing operation unit 20e rotates the unlocking operation unit 34e when moving in the opening direction as the landing door 3e is moved in the opening direction from the landing 2 side. Therefore, the unlocking operation unit 34e rotates as the landing door 3e is moved in the opening direction from the landing 2 side. That is, when the unlocking operation unit 34e moves the landing door 3e in the opening direction from the landing 2 side, the engagement with the engaging portion 401e of the connection device 4e is maintained, and the operation unit 34e rotates as the landing door 3e moves. Move. Therefore, the contact portion 342e is released from contact with the landing door open detection switch 17e.
  • the operation unit 20e when the car door is opened and closed rotates the connecting device 4e so that the engaging part 401e is released from the engagement with the fixing part 344e, and is opened. It is configured to move in the opening direction separately from the lock operation unit 34e.
  • the unlocking operation unit 34e configured to operate only when the landing door 3e is opened from the landing 2 side operates, that is, rotates. By detecting with the door open detection switch 17e, it can be detected that the landing door 3e is opened from the landing 2 side. That is, by configuring in this way, it is possible to detect whether or not the landing door 3e is opened by the car door 10 when the landing door 3e is opened.
  • the unlocking operation unit 34e rotates as the landing door 3e is moved in the opening direction from the landing 2 side.
  • the car door opening / closing operation unit 20e is configured to rotate the unlocking operation unit 34e when moving in the opening direction as the landing door 3e is moved in the opening direction from the landing 2 side.
  • the landing door open detection device of the sixth embodiment can be applied to the elevator shown in FIG. 13 in the previous fifth embodiment. That is, the landing door open detection device of the sixth embodiment can be applied to an elevator including a plurality of cars arranged in a hoistway.
  • Embodiments 1 to 6 have been described individually, the configuration examples disclosed in Embodiments 1 to 6 can be arbitrarily combined.

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Elevator Door Apparatuses (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Abstract

L'invention concerne un dispositif de détection d'ouverture de porte palière d'ascenseur comprenant : un dispositif de porte palière qui ouvre et ferme la porte palière présente à chaque palier, et étant disposé de façon à correspondre à chaque porte palière ; et un dispositif de commande. Le dispositif de porte palière comporte : une unité d'actionnement de déverrouillage qui fonctionne avec le mouvement, dans la direction d'ouverture, de la porte palière depuis le côté palier ; un commutateur de détection d'ouverture de porte palière qui détecte que l'unité d'actionnement déverrouillage a été actionnée ; et une unité d'actionnement d'ouverture/fermeture de porte de cabine qui est distincte de l'unité d'actionnement de déverrouillage et se déplace dans la direction d'ouverture avec le mouvement dans la direction d'ouverture de la porte de cabine disposée dans la cabine, et qui se déplace dans la direction d'ouverture et actionne l'unité d'actionnement de déverrouillage avec le mouvement dans la direction d'ouverture de la porte palière depuis le côté palier. Le dispositif de commande détecte si la porte palière a été ouverte ou non par la porte de cabine lors de l'ouverture, sur la base des résultats de détection du commutateur de détection d'ouverture de porte palière.
PCT/JP2017/030208 2016-10-27 2017-08-23 Dispositif de détection d'ouverture de porte palière d'ascenseur et ascenseur WO2018079032A1 (fr)

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CN109436996A (zh) * 2018-11-28 2019-03-08 苏州市职业大学 电梯分体式双开层门锁
WO2020105163A1 (fr) * 2018-11-22 2020-05-28 三菱電機株式会社 Dispositif de déverrouillage de porte d'ascenseur et ascenseur comprenant un tel dispositif
CN111704011A (zh) * 2019-08-01 2020-09-25 陈明辉 一种基于人防工程的防护门
WO2023117417A1 (fr) * 2021-12-20 2023-06-29 Inventio Ag Dispositif de verrouillage de sécurité de porte de cage d'un ascenseur et procédé d'ouverture d'une porte de cage d'un ascenseur à l'aide d'un dispositif de verrouillage de sécurité

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US10889465B2 (en) * 2017-07-31 2021-01-12 Otis Elevator Company Mechanical hoistway access control device

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JPS5637984A (en) * 1979-09-04 1981-04-11 Mitsubishi Electric Corp Platform device for elevator
JP2004099299A (ja) * 2002-09-12 2004-04-02 Toshiba Elevator Co Ltd エレベータドアのアンロック装置
EP1500625A1 (fr) * 2003-07-22 2005-01-26 Thyssenkrupp Elevator Manufacturing France SAS Procédé de réglage d'une serrure de porte paliere d'ascenseur
WO2013046364A1 (fr) * 2011-09-28 2013-04-04 三菱電機株式会社 Dispositif de sécurité pour ascenseur
WO2013140575A1 (fr) * 2012-03-22 2013-09-26 三菱電機株式会社 Dispositif de sécurité pour ascenseur

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Publication number Priority date Publication date Assignee Title
JPS5637984A (en) * 1979-09-04 1981-04-11 Mitsubishi Electric Corp Platform device for elevator
JP2004099299A (ja) * 2002-09-12 2004-04-02 Toshiba Elevator Co Ltd エレベータドアのアンロック装置
EP1500625A1 (fr) * 2003-07-22 2005-01-26 Thyssenkrupp Elevator Manufacturing France SAS Procédé de réglage d'une serrure de porte paliere d'ascenseur
WO2013046364A1 (fr) * 2011-09-28 2013-04-04 三菱電機株式会社 Dispositif de sécurité pour ascenseur
WO2013140575A1 (fr) * 2012-03-22 2013-09-26 三菱電機株式会社 Dispositif de sécurité pour ascenseur

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Publication number Priority date Publication date Assignee Title
WO2020105163A1 (fr) * 2018-11-22 2020-05-28 三菱電機株式会社 Dispositif de déverrouillage de porte d'ascenseur et ascenseur comprenant un tel dispositif
JP7046192B2 (ja) 2018-11-22 2022-04-01 三菱電機株式会社 エレベータドアの解錠装置、及びそれを備えたエレベータ
CN109436996A (zh) * 2018-11-28 2019-03-08 苏州市职业大学 电梯分体式双开层门锁
CN111704011A (zh) * 2019-08-01 2020-09-25 陈明辉 一种基于人防工程的防护门
WO2023117417A1 (fr) * 2021-12-20 2023-06-29 Inventio Ag Dispositif de verrouillage de sécurité de porte de cage d'un ascenseur et procédé d'ouverture d'une porte de cage d'un ascenseur à l'aide d'un dispositif de verrouillage de sécurité

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