WO2018087803A1 - Dispositif de commande d'ascenseur, procédé de commande, et ascenseur - Google Patents

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

Info

Publication number
WO2018087803A1
WO2018087803A1 PCT/JP2016/083055 JP2016083055W WO2018087803A1 WO 2018087803 A1 WO2018087803 A1 WO 2018087803A1 JP 2016083055 W JP2016083055 W JP 2016083055W WO 2018087803 A1 WO2018087803 A1 WO 2018087803A1
Authority
WO
WIPO (PCT)
Prior art keywords
power supply
control device
safety
system power
supply control
Prior art date
Application number
PCT/JP2016/083055
Other languages
English (en)
Japanese (ja)
Inventor
勇来 齊藤
孝道 星野
達志 藪内
潤 鳥谷部
Original Assignee
株式会社日立製作所
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 filed Critical 株式会社日立製作所
Priority to PCT/JP2016/083055 priority Critical patent/WO2018087803A1/fr
Priority to JP2018549649A priority patent/JP6743172B2/ja
Priority to CN201680089869.5A priority patent/CN109843772B/zh
Publication of WO2018087803A1 publication Critical patent/WO2018087803A1/fr

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • 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

Definitions

  • the present invention relates to an elevator control device, a control method, and an elevator.
  • the elevator control device that controls the operation of the elevator is provided with a control device that shuts off the power supply to the motor, brake, etc. when an abnormality occurs in the elevator.
  • a control device that shuts off the power supply to the motor, brake, etc. when an abnormality occurs in the elevator.
  • the control device breaks down, there is a possibility that the car cannot be stopped or that the stop time is delayed. Therefore, techniques for automatically diagnosing control devices have been developed.
  • Patent Document 1 describes “an elevator safety device that can reliably detect a failure in each of two relay drivers provided corresponding to a relay for cutting off power supply to a motor or a brake”. Has been.
  • the present invention has been made in view of such a situation, and an object thereof is to diagnose the operation of a control device even while a car is running.
  • the elevator includes a motor and an elevator controller that controls driving or stopping of the car and a car operated by driving force generated by the motor.
  • An elevator control device includes a control controller, a safety device, a first system power supply control device, a second system power supply control device, and a safety controller.
  • the control controller controls the operation of the car.
  • the safety device is driven by electric power supplied from the safety device power source, and stops the operation of the car.
  • the first system power supply control device has one end connected to the safety device and the other end connected to a safety device power source that drives the safety device, and controls power supply from the safety device power source to the safety device.
  • the second system power supply control device is connected in parallel to the first system power supply control device, and controls power supply from the safety device power supply to the safety device.
  • the safety controller switches the operation of the first system power supply control device and the second system power supply control device every time a predetermined time elapses, and controls the operation of the first system power supply control device and the second system power supply control device. Diagnose.
  • the first system power supply control device and the second system power supply control device are diagnosed when a predetermined time elapses regardless of whether the car is stopped or traveling, and an abnormality is detected. Since it becomes possible to detect, the safety
  • FIG. 1 is a schematic diagram illustrating an overall configuration example of an elevator according to an embodiment of the present invention. It is a block diagram which shows the internal structural example of the elevator control apparatus which concerns on the example of 1 embodiment of this invention. It is a block diagram which shows the hardware structural example of the computer which concerns on the example of 1 embodiment of this invention. It is a flowchart with which the safety controller which concerns on one embodiment of this invention diagnoses operation
  • FIG. 1 is an overall configuration diagram of the elevator 1.
  • One or more elevators 1 are installed in a hoistway 2 of a building such as a building or a condominium.
  • the elevator 1 includes a car 3, a governor rope 4, a governor device 5, a main rope 6, a counterweight 7, a motor 8, an elevator control device 9, and a landing button 15.
  • the main rope 6 is wound around a motor 8 and a plurality of pulleys.
  • a car 3 is attached to one end of the main rope 6, and a counterweight 7 is attached to the other end of the main rope 6.
  • the counterweight 7 is used for balancing with the car 3 connected to the main rope 6.
  • the motor 8 is driven by the elevator control device 9 to move the main rope 6. As the main rope 6 moves, the car 3 moves up and down, and the car 3 stops at a predetermined floor.
  • the car 3 includes a door 3a and a door switch 3b.
  • the door 3a opens and then the door 3a closes.
  • the door switch 3b is turned on when the door 3a is opened, and turned off when the door 3a is closed.
  • a door switch signal indicating ON or OFF of the door switch 3b is transmitted to the elevator control device 9 through a communication line (not shown).
  • the governor device 5 is installed in the upper part of the hoistway 2.
  • the endless governor rope 4 wound around pulleys installed above and below the hoistway 2 and the car 3 are fixed by a connecting bar.
  • the car 3 moves and the governor rope 4 also moves.
  • the governor device 5 can detect the position of the car 3 and the lifting speed based on the operation of the governor rope 4 and adjust the lifting speed of the car 3.
  • a signal indicating the position of the car 3 and the lifting speed detected by the governor device 5 is transmitted to the elevator control device 9 through a communication line (not shown).
  • the elevator control device 9 is provided in the lower part of the hoistway 2. However, the elevator control device 9 may be provided in the upper part of the hoistway 2 or the car 3.
  • the elevator control device 9 determines whether the car 3 is operating safely based on the door switch signal received from the door switch 3b and the signal indicating the position and lifting speed of the car 3 received from the governor device 5.
  • the elevator control device 9 detects that an abnormality has occurred in the operation of the car 3, the elevator control device 9 warns a monitoring center (not shown) and controls the car 3 to stop safely at the nearest floor. Do.
  • the hall button 15 is installed at the hall on each floor of the building.
  • the landing button 15 is used to call the car 3 to the landing where the landing button 15 operated by the user is installed.
  • the landing button 15 is connected to the elevator control device 9 via a communication line (not shown), and when the landing button 15 is operated, a landing operation signal is transmitted to the elevator control device 9.
  • the elevator control device 9 that has received the hall operation signal controls the motor 8 to move the car 3 to the hall where the hall button 15 is operated.
  • the door 3a continues to open while the user presses the landing button 15, and when the user enters the car 3, the door 3a closes. .
  • FIG. 2 is a block diagram showing an example of the internal configuration of the elevator control device 9.
  • the car 3 is operated by the driving force generated by the motor 8.
  • the motor 8 is driven by a power conversion device 33 connected to an AC power source 31 (an example of a motor power source) via a safety device 32 (an example of a first safety device).
  • the motor 8 is provided with a brake 36 connected to a brake power supply 34 via a safety device 35 (an example of a second safety device).
  • a safety device 35 an example of a second safety device.
  • the brake 36 is separated from the motor 8, so that the motor 8 rotates.
  • the brake 36 operates in a direction in which the brake 36 is pressed against the motor 8, thereby preventing the motor 8 from rotating.
  • the safety devices 32 and 35 are constituted by relay switches, for example, and are driven by power supplied from the safety device power supply 30 to perform operation of supplying power from the AC power supply 31 and the brake power supply 34 to the motor 8 and the brake 36. Further, when power is not supplied from the safety device power supply 30 to the safety devices 32 and 35, the power of the AC power supply 31 and the brake power supply 34 is cut off.
  • the elevator control device 9 includes a control controller 17 that controls the operation of the car 3 that is operated by the driving force generated by the motor 8.
  • the controller 17 gives a control command to the power converter 33 to change the rotation direction and rotation speed of the motor 8.
  • the controller 17 can operate the safety devices 32 and 35 to cut off the power supply to the motor 8 and the brake 36 and stop the car 3.
  • the safety devices 32 and 35 are supplied with power from the safety device power supply 30. When the electric power supplied from the safety device power supply 30 to the safety devices 32 and 35 is cut off, the operation of the car 3 stops.
  • a first power supply control device 10 and a second power supply control device 20 (hereinafter also referred to as “two control devices”) are provided between the safety device power supply 30 and each of the safety devices 32 and 35. ing.
  • One end of the safety device 32 is connected to the motor 8 through the power conversion device 33, and the other end is connected to the AC power source 31.
  • the safety device 32 is driven by the first system power supplied from the first system power supply control device 10 or the second system power supply control device 20.
  • One end of the safety device 35 is connected to a brake 36 that stops driving the motor 8, and the other end is connected to a brake power source 34 that drives the brake 36.
  • the safety device 35 is driven by the second system power supplied from the first system power supply control device 10 or the second system power supply control device 20. When the first system power and the second system power are not distinguished, they are simply described as “power”.
  • the first system power supply control device 10 has one end connected to the safety devices 32 and 35 and the other end connected to the safety device power supply 30 to control power supply from the safety device power supply 30 to the safety devices 32 and 35.
  • the first power supply control device 10 includes a plurality of contacts 11 and 12 whose opening / closing is controlled by the safety controller 16.
  • the second system power supply control device 20 is connected in parallel to the first system power supply control device 10 and controls power supply from the safety device power supply 30 to the safety devices 32 and 35.
  • the second power supply control device 20 includes a plurality of contacts 21 and 22 whose opening and closing are controlled by the safety controller 16.
  • the contacts 11, 12, 21, and 22 may break down when used for many years. For example, a failure in which the contacts 11, 12, 21, and 22 are closed, i.e., remain ON regardless of a command from the safety controller 16, is referred to as an "ON failure", and a failure that remains in an open state, i.e., remains OFF. Is called an “OFF failure”. An ON fault is an example of a closed fault, and an OFF fault is an example of an open fault. When the ON failure and the OFF failure are not distinguished, they are simply referred to as “failure”.
  • the contacts may fail individually or a plurality of contacts may fail.
  • the safety controller 16 uses the signal level between the contacts 11 and 12 as an answerback signal 13 (an example of a first confirmation signal), and sets the signal level between the contacts 21 and 22 as an answerback signal 23 (an example of a second confirmation signal). ) As each.
  • the safety controller 16 switches the operation of the first system power supply control device 10 and the second system power supply control device 20 every time a predetermined time elapses, and the first system power supply control device 10 and the second system power supply control.
  • the operation of the device 20 is diagnosed.
  • the predetermined time is a time determined by the safety controller 16 based on the time during which the door 3a of the car 3 is open. Further, the predetermined time may be determined by the safety controller 16 based on the time during which the car 3 is stopped at the stop position.
  • the contacts 11, 12, 21, and 22 are switched ON and OFF according to a command from the safety controller 16.
  • the safety controller 16 performs the first process and the second process alternately.
  • the safety controller 16 instructs the first power supply control device 10 to open and close the contacts 11 and 12.
  • the safety controller 16 detects a switching failure of the contacts 11 and 12 as an abnormality of the first system power supply control device 10 based on the answerback signal 13 acquired from between the contacts 11 and 12.
  • the safety controller 16 instructs the second system power supply control device 20 to open and close the contacts 21 and 22.
  • the safety controller 16 detects a switching failure of the contacts 21 and 22 as an abnormality of the second system power supply control device 20 based on the answer back signal 23 acquired from between the contacts 21 and 22.
  • the safety controller 16 includes a car position detection sensor 51 (an example of a car position detection unit), a car speed detection sensor 52 (an example of a car speed detection unit), and a door switch 3b (an example of a door open state detection unit). Is connected.
  • the car position detection sensor 51 detects the current position of the car 3 as a “car position” based on the position where the governor rope 4 moves.
  • the car speed detection sensor 52 detects the speed of the car 3 as “car speed” based on the moving speed of the governor rope 4.
  • the governor device 5 shown in FIG. 1 includes a car position detection sensor 51 and a car speed detection sensor 52.
  • the functions of the car position detection sensor 51 and the car speed detection sensor 52 are realized by an encoder provided in the governor device 5.
  • the safety controller 16 determines the position of the car, the speed of the car, and the door 3a based on the signals indicating the position and the raising / lowering speed of the car 3 input from the car position detection sensor 51 and the car speed detection sensor 52 and the door switch signal. Determine the door status. Then, the safety controller 16 detects the normal state or the abnormal state of the car 3.
  • the normal state of the car 3 is, for example, when the car 3 is moving at an appropriate speed, the door 3a is closed during the movement, and the door 3a is stopped when the car 3 is stopped at the normal stop position. Is in an open state.
  • the abnormal state of the car 3 is a state in which, for example, the car 3 goes too far, becomes faster than a normal speed, or the car 3 moves while the door 3a is open. .
  • the safety controller 16 detects the abnormality of the first system power supply control device 10, the second system power supply control device 20, or both in a state where the car 3 is stopped at a normal stop position on each floor. The power supplied to the safety devices 32 and 35 is cut off. Further, when the car 3 is not stopped at the normal stop position, at least one of the first system power supply control device 10 or the second system power supply control device 20 supplies power to the safety devices 32 and 35. Take control. Then, the control controller 17 performs control to stop the car 3 at the nearest floor. Thereafter, when the car 3 stops at the stop position, the safety controller 16 performs control to cut off the power supplied to the safety devices 32 and 35 so that the car 3 does not start moving.
  • the control for cutting off the power supplied to the safety devices 32 and 35 is performed when the safety controller 16 that detects the abnormal state of the car 3 gives an OFF command to the contacts 11, 12, 21, and 22.
  • the OFF command is issued, the contacts 11, 12, 21, and 22 are turned OFF, and the power supply to the safety devices 32 and 35 is interrupted.
  • the safety devices 32 and 35 are activated, and the power supply to the motor 8 and the brake 36 is cut off.
  • the brake 36 is pressed against the motor 8 and the motor 8 is stopped, so that the moving car 3 is also stopped.
  • the safety controller 16 stops the car 3 regardless of the control by the control controller 17.
  • the moving car 3 may be controlled by the control controller 17 to stop at the nearest floor.
  • FIG. 3 is a block diagram illustrating a hardware configuration example of the computer C.
  • the computer C is hardware used as a so-called computer.
  • the computer C includes a CPU (Central Processing Unit) C1, a ROM (Read Only Memory) C2, and a RAM (Random Access Memory) C3 respectively connected to the bus C4. Further, a nonvolatile storage C5 and a network interface C6 are provided.
  • CPU Central Processing Unit
  • ROM Read Only Memory
  • RAM Random Access Memory
  • the CPU C1 reads out the program code of software that realizes each function according to the present embodiment from the ROMC2, and executes it.
  • the functions of the safety controller 16 and the control controller 17 are realized by the CPU C1 executing program codes corresponding to the safety controller 16 and the control controller 17 recorded in the ROMC2.
  • the safety controller 16 operating on the CPUC 1 performs failure monitoring of the contacts 11, 12, 21, 22, interruption control of power supply to the safety devices 32, 35, and the like.
  • operation control of the safety devices 32 and 35 and the power conversion device 33 is performed by the control controller 17 operating on the CPUC1.
  • RAM C3 variables, parameters, etc. that occurred during the calculation process are temporarily written. For example, a signal indicating the position and elevating speed of the car 3, data constituted by a door switch signal, and the like are stored in the RAMC3.
  • the RAM C3 stores a count value counted by the counter under the control of the safety controller 16, a predetermined time set by the safety controller 16, and the like.
  • non-volatile storage C5 for example, HDD (Hard disk drive), SSD (Solid State drive), flexible disk, optical disk, magneto-optical disk, CD-ROM, CD-R, magnetic tape, nonvolatile memory, etc. are used. It is done.
  • an OS Operating System
  • various parameters, a program for causing the computer C to function, information indicating an operation state of the car 3, and the like are recorded.
  • a NIC Network Interface Card
  • LAN Local Area Network
  • FIG. 4 is a flowchart in which the safety controller 16 diagnoses the operation of the contacts 11, 12, 21, and 22.
  • the safety controller 16 repeatedly performs operation diagnosis of the contacts 11, 12, 21, and 22 along the flowchart.
  • the safety controller 16 performs operation diagnosis of the contacts 11 and 12 constituting the first system power supply control device 10
  • the operation diagnosis of the contacts 21 and 22 constituting the second power supply control device 20 is similarly performed by replacing the contact 11 with the contact 21, the contact 12 with the contact 22, and the answer back signal 13 with the answer back signal 23.
  • the reference numerals of the contacts 21 and 22 and the answerback signal 23 of the second power supply control device 20 with respect to the signs of the contacts 11 and 12 and the answerback signal 13 of the first system power supply control device 10 are shown in parentheses. It writes together.
  • the contacts 21 and 22 are ON at the diagnosis start time.
  • the safety devices 32 and 35 are supplied with power from the safety device power supply 30 via the second system power supply control device 20. At this time, the contacts 11 and 12 are OFF if normal.
  • an embodiment of the present invention will be described for each step.
  • the safety controller 16 When the safety controller 16 has detected neither ON failure nor OFF failure of the contacts 11, 12, 13, and 14 (NO in S1), the safety controller 16 is predetermined after the diagnosis of the contacts 21 and 22 last time. It is determined whether time has passed (S2). This predetermined time is, for example, the time stored in the RAMC3 shown in FIG. 3, and is set by the safety controller 16 in the flowchart shown in FIG. For this reason, a predetermined time may elapse while the car 3 is stopped, or a predetermined time may elapse while the car 3 is traveling. If the predetermined time has not elapsed (NO in S2), this flow ends.
  • the safety controller 16 determines whether or not the answerback signal 13 is at a HIGH level (S4). If the contact 11 is normal, it is turned ON in step S3, so that the answerback signal 13 becomes HIGH level. For this reason, if the answerback signal 13 is not HIGH level (NO in S4), the safety controller 16 determines that the contact 11 has an OFF failure (S5), and proceeds to step S15.
  • the safety controller 16 determines that the contact 11 is not OFF-failed, and outputs an OFF command for the contact 11 to the contact 11 (S6).
  • the safety controller 16 determines whether or not the answerback signal 13 is at the LOW level (S7). If the contact 11 is normal, it is OFF in step S6. If the contact 12 is also normal, it is turned off in step S6, so that the answerback signal 13 becomes LOW level.
  • the answerback signal 13 is at the same potential as the output of the safety device power supply 30, and therefore the answerback signal 13 becomes HIGH level. Further, even when the contact 12 is in an ON failure, the answerback signal 13 becomes HIGH level by the sneak path of the contacts 21, 22, and 12. For this reason, if the answerback signal 13 is HIGH level (NO in S7), the safety controller 16 determines that the contact 11 or 12 has an ON failure (S8), and proceeds to step S15. As described in step S7, even when the contact 12 has an ON failure, the answerback signal 13 is at a high level, and thus this step is reached.
  • the safety controller 16 outputs an ON command for the contact 12 to the contact 12 (S9).
  • the safety controller 16 determines whether or not the answerback signal 13 is at a HIGH level (S10). Since the contact 12 is turned on in step S9 if it is normal, the answerback signal 13 is set to the HIGH level by the sneak path of the contacts 21, 22, and 12, similarly to the event described in step S7. For this reason, when the safety controller 16 determines that the answerback signal 13 is at the LOW level (NO in S10), it determines that the contact 12 has an OFF failure (S11), and proceeds to step S15.
  • S10 HIGH level
  • the safety controller 16 determines that the answerback signal 13 is at the HIGH level (YES in S10), it outputs an ON command for the contact 11 to the contact 11 (S12). Since the contact 12 is turned on in step S9 and the contact 11 is turned on in step S12, the safety devices 32 and 35 include not only the second system power supply control device 20 but also the first system power supply control device 10. The power is also supplied from.
  • step S13 the safety controller 16 outputs an OFF command for the contacts 21 and 22 to the contacts 21 and 22 (S13).
  • the states of the two control devices are switched to the states at the start of this flow.
  • the safety controller 16 sets the next diagnosis target as the second system power supply control device 20 (S14), and ends this flow.
  • the next failure diagnosis is represented by replacing the contact 11 with the contact 21, the contact 12 with the contact 22, and the answer back signal 13 with the answer back signal 23 at each step in the flow shown in FIG.
  • the safety controller 16 determines that the contact 11 or the contact 12 is an OFF failure or an ON failure, the safety controller 16 outputs a pause command to the control controller 17 (S15).
  • the controller 17 receives the suspension command, when the car 3 is traveling, the controller 17 gives a control command to the power converter 33 so that the car 3 can arrive at the floor where it can arrive as soon as possible.
  • the safety controller 16 has the safety devices 32, 35. To work. And since the power supply to the motor 8 and the brake 36 is interrupted by the safety devices 32 and 35, the car 3 cannot travel.
  • the safety controller 16 diagnoses the operation of the contacts 11 and 12 in the embodiment of the present invention.
  • the safety controller 16 can detect a failure of the contact 11 or 12 and determine whether the failure is an ON failure or an OFF failure. Further, in the case of an OFF failure, it can be determined which of the contacts 11 and 12 has an OFF failure, so that replacement of parts performed by maintenance personnel can be minimized.
  • the elevator control device 9 includes two control devices, power is supplied from the other system to the safety devices 32 and 35 while the safety controller 16 performs diagnosis of one system. For this reason, it is possible to safely diagnose the two control devices even when the car 3 is running as well as being stopped.
  • FIG. 5 is a flowchart showing an example of processing in which the safety controller 16 detects a failure of any one of the contacts 11, 12, 21, 22 and stops the movement of the car 3.
  • the safety controller 16 When the safety controller 16 detects an ON failure or an OFF failure of the contacts 11, 12, 21, 22, the car 3 stops at a position where passengers can get on and off, that is, a door openable position, along this flow. It is determined whether or not. When the car 3 is stopped, the safety controller 16 outputs an OFF command to all of the contacts 11, 12, 21, and 22, shuts off the power supply to the safety devices 32 and 35, and The car 3 is stopped.
  • the safety controller 16 determines whether or not the car 3 is at the door openable position based on the signal from the car position detection sensor 51 (S21). If the car 3 is not in the door openable position (NO in S21), this flow ends.
  • the safety controller 16 determines that the car 3 is in the door openable position (YES in S21), it is determined whether or not the car 3 is stopped based on the signal from the car speed detection sensor 52 (S22). ). If the car 3 is not stopped (NO in S22), this flow ends.
  • the safety controller 16 If the car 3 is stopped (YES in S22), the safety controller 16 outputs an OFF command to all of the contacts 11, 12, 21, and 22 (S23). Since the contact 11 and the contact 12 are connected in series, even if one of them has an ON failure, the first system power supply control device 10 turns off the operation when the other is turned OFF. Similarly, the second system power supply control device 20 is also turned off. As a result, the power supply to the safety devices 32 and 35 is cut off, and the movement of the car 3 stops.
  • the power supply from the safety devices 32 and 35 is cut off. Output stops. Then, when the brake 36 prevents the motor 8 from rotating, the departure of the car 3 is prohibited.
  • the brake 36 prevents the motor 8 from rotating, the departure of the car 3 is prohibited.
  • one of the first system power supply control device 10 and the second system power supply control device 20 is kept ON. For this reason, the car 3 can travel until the car 3 arrives at the door openable position, and the passengers can be prevented from being trapped.
  • the safety controller 16 outputs an OFF command to the contacts 11, 12, 21, and 22 when detecting an abnormal state in which the car 3 goes too far or becomes faster than the normal speed. Then, the car 3 can be stopped.
  • FIG. 6 is a flowchart in which the safety controller 16 determines a predetermined time used in the determination process of step S2 of FIG.
  • the safety controller 16 determines whether or not a diagnosis cycle is set (S31). When the diagnostic cycle is not set (NO in S31), the safety controller 16 sets a predetermined initial value (for example, 15 seconds) as the diagnostic cycle (S32).
  • the set diagnostic cycle is stored, for example, in the RAMC3 shown in FIG.
  • the safety controller 16 closes the door 3a based on the door switch signal received from the door switch 3b. It is determined whether or not the state has changed to the open state (S33).
  • a counter for measuring the time during which the door 3a is in the open state starts counting (S34). The count value of the counter is stored in, for example, the RAMC3 shown in FIG. 3, and the counter stores a value counted from the initial value 0 as the count value.
  • the door 3a changes from the open state to the closed state based on the door switch signal received from the door switch 3b. It is determined whether or not (S35).
  • the safety controller 16 determines that the door 3a has not changed from the open state to the closed state (NO in S35), that is, since the door 3a remains in the open state, this flow ends.
  • the safety controller 16 determines that the door 3a has changed from the open state to the closed state (YES in S35), the counter is stopped (S36), and the door 3a is in the open state based on the counter value.
  • the time that is, the door opening time (for example, 10 seconds) is calculated.
  • the safety controller 16 determines whether or not the door opening time calculated in step S36 is shorter than the diagnosis cycle (S37). When the door opening time is equal to or longer than the diagnosis cycle (NO in S37), this flow ends.
  • the safety controller 16 sets the door opening time to the diagnosis cycle (S38), and ends this flow.
  • the safety controller 16 determines the diagnosis cycle, so that the safety controller 16 can perform the first operation at least once before the car 3 arrives at a certain floor and departs.
  • the system power supply control device 10 or the second system power supply control device 20 can be diagnosed. This increases the possibility that a failure of the contacts 11, 12, 21, 22 can be detected before the car 3 departs, and the safety of the elevator 1 is improved.
  • the diagnosis cycle can be automatically extended. As a result, the number of ON / OFF times of the contacts 11, 12, 21, and 22 can be reduced, and a longer life can be expected.
  • the safety controller 16 does not set the diagnosis cycle to the door opening time based on the door switch signal, but the car 3 is set to the door openable position based on the signal indicating the position of the car 3 and the lifting speed. You may set to the time when it has stopped.
  • an encoder may be attached to the motor 8, and the safety controller 16 may detect the car position and the car speed based on a signal input from the encoder.
  • diagnosis process shown in FIG. 4 may be alternately performed by the safety controller 16 with no gap between the two control devices when a predetermined time has elapsed.
  • the safety controller 16 may perform the diagnosis of the first system power supply control device 10 and then perform the diagnosis of the second system power supply control device 20 when the predetermined time has elapsed. .
  • the present invention is not limited to the above-described embodiments, and various other application examples and modifications can of course be taken without departing from the gist of the present invention described in the claims.
  • the configuration of the apparatus is described in detail and specifically in order to explain the present invention in an easy-to-understand manner, and is not necessarily limited to the configuration having all the configurations described.
  • the control lines and information lines indicate what is considered necessary for the explanation, and not all the control lines and information lines on the product are necessarily shown. Actually, it may be considered that almost all the components are connected to each other.

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Elevator Control (AREA)

Abstract

La présente invention porte sur un dispositif de commande d'ascenseur comprenant un premier dispositif de commande d'alimentation électrique de système qui a une extrémité connectée à des dispositifs de sécurité, qui est entraîné par l'énergie fournie par une alimentation électrique de dispositif de sécurité et arrête le déplacement d'une cabine, et l'autre extrémité est connectée à l'alimentation électrique de dispositif de sécurité, le premier dispositif de commande d'alimentation électrique de système commandant l'alimentation en énergie des dispositifs de sécurité à partir de l'alimentation électrique de dispositif de sécurité. Ce dispositif de commande d'ascenseur comprend également un second dispositif de commande d'alimentation électrique de système qui est connecté en parallèle avec le premier dispositif de commande d'alimentation électrique de système. En outre, ce dispositif de commande d'ascenseur comprend un dispositif de commande de sécurité qui commute et analyse le fonctionnement du premier dispositif de commande d'alimentation électrique de système et du second dispositif de commande d'alimentation électrique de système après des intervalles de temps prédéterminés.
PCT/JP2016/083055 2016-11-08 2016-11-08 Dispositif de commande d'ascenseur, procédé de commande, et ascenseur WO2018087803A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2016/083055 WO2018087803A1 (fr) 2016-11-08 2016-11-08 Dispositif de commande d'ascenseur, procédé de commande, et ascenseur
JP2018549649A JP6743172B2 (ja) 2016-11-08 2016-11-08 エレベーター制御装置、制御方法及びエレベーター
CN201680089869.5A CN109843772B (zh) 2016-11-08 2016-11-08 电梯控制装置、控制方法和电梯

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2016/083055 WO2018087803A1 (fr) 2016-11-08 2016-11-08 Dispositif de commande d'ascenseur, procédé de commande, et ascenseur

Publications (1)

Publication Number Publication Date
WO2018087803A1 true WO2018087803A1 (fr) 2018-05-17

Family

ID=62109475

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2016/083055 WO2018087803A1 (fr) 2016-11-08 2016-11-08 Dispositif de commande d'ascenseur, procédé de commande, et ascenseur

Country Status (3)

Country Link
JP (1) JP6743172B2 (fr)
CN (1) CN109843772B (fr)
WO (1) WO2018087803A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110550510A (zh) * 2018-05-30 2019-12-10 株式会社日立大厦*** 电梯的驱动控制***
US20200207574A1 (en) * 2017-09-13 2020-07-02 Inventio Ag Status checking of field devices of a building-associated installation for transporting people
JPWO2021192174A1 (fr) * 2020-03-26 2021-09-30
CN113526285A (zh) * 2021-07-14 2021-10-22 日立楼宇技术（广州）有限公司 电梯停电应急设备、方法、装置及电梯
CN113677612A (zh) * 2019-05-24 2021-11-19 株式会社日立大厦*** 无尾缆电梯装置以及无尾缆电梯装置的控制方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015074548A (ja) * 2013-10-11 2015-04-20 株式会社日立製作所 エレベータの安全システム
WO2015079976A1 (fr) * 2013-11-28 2015-06-04 株式会社日立製作所 Système de sécurité d'ascenseur

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW564471B (en) * 2001-07-16 2003-12-01 Semiconductor Energy Lab Semiconductor device and peeling off method and method of manufacturing semiconductor device
WO2011048664A1 (fr) * 2009-10-20 2011-04-28 三菱電機株式会社 Dispositif de sécurité pour ascenseur
JP5816102B2 (ja) * 2012-01-12 2015-11-18 株式会社日立製作所 電子安全エレベータ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015074548A (ja) * 2013-10-11 2015-04-20 株式会社日立製作所 エレベータの安全システム
WO2015079976A1 (fr) * 2013-11-28 2015-06-04 株式会社日立製作所 Système de sécurité d'ascenseur

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200207574A1 (en) * 2017-09-13 2020-07-02 Inventio Ag Status checking of field devices of a building-associated installation for transporting people
CN110550510A (zh) * 2018-05-30 2019-12-10 株式会社日立大厦*** 电梯的驱动控制***
CN113677612A (zh) * 2019-05-24 2021-11-19 株式会社日立大厦*** 无尾缆电梯装置以及无尾缆电梯装置的控制方法
JPWO2021192174A1 (fr) * 2020-03-26 2021-09-30
WO2021192174A1 (fr) * 2020-03-26 2021-09-30 三菱電機株式会社 Système de prédiction
CN115315400A (zh) * 2020-03-26 2022-11-08 三菱电机株式会社 预测***
JP7251688B2 (ja) 2020-03-26 2023-04-04 三菱電機株式会社 予測システム
CN115315400B (zh) * 2020-03-26 2023-11-21 三菱电机株式会社 预测***
CN113526285A (zh) * 2021-07-14 2021-10-22 日立楼宇技术（广州）有限公司 电梯停电应急设备、方法、装置及电梯

Also Published As

Publication number Publication date
CN109843772B (zh) 2020-10-23
JP6743172B2 (ja) 2020-08-19
JPWO2018087803A1 (ja) 2019-08-08
CN109843772A (zh) 2019-06-04

Similar Documents

Publication Publication Date Title
WO2018087803A1 (fr) Dispositif de commande d'ascenseur, procédé de commande, et ascenseur
JP6263552B2 (ja) エレベータの安全システム
JP4980423B2 (ja) エレベータ装置
JP5784049B2 (ja) エレベータの安全制御装置
US8365873B2 (en) Method and arrangement for preventing the unintended drifting of an elevator car
KR101014917B1 (ko) 엘리베이터 장치
JP5816102B2 (ja) 電子安全エレベータ
JP5197745B2 (ja) エレベータ装置及びその運転方法
JP5859023B2 (ja) エレベータの安全制御装置
WO2005082765A1 (fr) Dispositif de sécurité d'ascenseur et méthode de contrôle de son fonctionnement
WO2006090470A1 (fr) Ascenseur
JP5624845B2 (ja) 電子安全エレベータ
JP5355543B2 (ja) エレベータ装置
WO2006033153A1 (fr) Appareil ascenseur
WO2016113881A1 (fr) Dispositif d'ascenseur et procédé de commande associé
JP6132976B2 (ja) エレベータの制御装置
CN111295350B (zh) 用于监控人员运送设备中的对于安全关键的状态的安全监控装置以及用于运行这种安全监控装置的方法
JP5611937B2 (ja) エレベータ装置
KR20120042991A (ko) 엘리베이터의 안전 장치
JP2018008760A (ja) エレベーター
JP7414186B2 (ja) 伝送システム
KR101943567B1 (ko) 에스컬레이터 주 브레이크 동작 이상시 제어방법
KR20070012457A (ko) 엘리베이터 장치
JP2023076848A (ja) エレベーター監視装置、エレベーター監視方法、およびエレベーター遠隔監視システム
KR100891234B1 (ko) 엘리베이터 장치

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 16921003

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2018549649

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 16921003

Country of ref document: EP

Kind code of ref document: A1