WO2011061819A1 - エレベータ装置 - Google Patents

エレベータ装置 Download PDF

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Publication number
WO2011061819A1
WO2011061819A1 PCT/JP2009/069540 JP2009069540W WO2011061819A1 WO 2011061819 A1 WO2011061819 A1 WO 2011061819A1 JP 2009069540 W JP2009069540 W JP 2009069540W WO 2011061819 A1 WO2011061819 A1 WO 2011061819A1
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WO
WIPO (PCT)
Prior art keywords
car
elevator
control unit
door
brake
Prior art date
Application number
PCT/JP2009/069540
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
柴田　益誠
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 CN200980162236.2A priority Critical patent/CN102596778B/zh
Priority to PCT/JP2009/069540 priority patent/WO2011061819A1/ja
Priority to KR1020127005827A priority patent/KR101354728B1/ko
Priority to EP09851441.7A priority patent/EP2502869B1/en
Priority to JP2011541753A priority patent/JP5360225B2/ja
Publication of WO2011061819A1 publication Critical patent/WO2011061819A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
    • B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
    • B66B1/32—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on braking devices, e.g. acting on electrically controlled brakes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions

Definitions

  • the present invention relates to an elevator apparatus having a control panel for controlling a brake device.
  • a conventional elevator device when an abnormality is detected, the braking force of the brake device is controlled based on the deceleration command value and the speed signal so that the deceleration of the car becomes a predetermined value (see, for example, Patent Document 1).
  • both the operation at the time of basic abnormality detection and the control of the braking force are performed by one braking force control unit. For this reason, if the deceleration of the car becomes excessive due to a failure of the braking force control unit, the burden on the passenger increases. Further, if the car deceleration becomes too small, the braking distance becomes long, and the car contacts the bottom or top of the hoistway.
  • the braking device when the braking device is operated when the abnormality is detected, the first brake means for emergency stopping the car, and the deceleration of the car exceeds a predetermined value during the emergency braking operation by the first brake control means, the braking device
  • the thing provided with the 2nd brake control means to reduce braking force is proposed (for example, refer to patent documents 3). According to such a configuration, the above problem is solved.
  • the present invention has been made to solve the above-described problems, and its object is to simplify a configuration for adding a function of controlling a brake device when an abnormality is detected, and to share a platform of a control panel. It is providing the elevator apparatus which can do.
  • An elevator apparatus is provided on a control panel of an elevator, and includes a first control unit that controls a brake device that brakes a hoisting machine that travels a car disposed in a hoistway of the elevator, and the control A detector that is detachably provided on the panel and detects the abnormality of the elevator, and is detachably provided on the control panel, and the brake device replaces the first controller when the abnormality is detected by the detector. And a second control unit for controlling.
  • Embodiment 1 is a basic configuration diagram of an elevator apparatus according to Embodiment 1 of the present invention. It is a whole block diagram for demonstrating the case where the door opening travel protection function is added to the elevator apparatus of FIG. It is a circuit block diagram in the control panel before adding a door open travel protection function to the elevator apparatus in Embodiment 1 of this invention. It is a circuit block diagram in the control panel after adding the door open travel protection function to the elevator apparatus in Embodiment 1 of this invention. It is a flowchart for demonstrating the door open travel protection operation
  • FIG. 1 is a basic configuration diagram of an elevator apparatus according to Embodiment 1 of the present invention.
  • 1 is a commercial power source.
  • the commercial power source 1 is provided in a building where an elevator is installed.
  • 2 is a hoisting machine.
  • the hoisting machine 2 is provided in an elevator hoistway.
  • the hoisting machine 2 is provided with a sheave (not shown).
  • the main rope 3 is wound around the sheave in a sword type.
  • a car 4 and a counterweight 5 are connected to both ends of the main rope 3.
  • the car 4 and the counterweight 5 are disposed within the lift.
  • the car 4 and the counterweight 5 have a function of traveling in opposite directions by the rotational drive of the hoisting machine 4.
  • the hoisting machine 2 is provided with a rotation detector 6.
  • the rotation detector 6 includes an encoder, a resolver, and the like.
  • the rotation detector 6 has a function of detecting the rotation speed of the hoisting machine 2.
  • the hoisting machine 2 is provided with a brake device 7.
  • the brake device 7 includes a brake coil 8.
  • the brake device 7 has a function of generating a braking force with respect to the rotation of the hoist 2 when the brake coil 8 is deenergized. Further, the brake device 7 has a function of releasing the braking force against the rotation of the hoist 2 when the brake coil 8 is energized.
  • a car door 9 is provided at the entrance of the car 4.
  • a car door switch 10 is provided.
  • the car door switch 10 has a function of detecting the open / closed state of the car door 9.
  • a landing door 11 is provided at each landing.
  • a landing door switch 12 is provided.
  • These landing door switches 12 have a function of detecting the open / closed state of the landing doors 11.
  • a door zone sensor 13 is provided on the upper portion of the car 4. These door zone sensors 13 have a function of detecting that the car 4 is in a position where it can be opened.
  • a control panel 14 is provided between the commercial power source 1 and the hoisting machine 2.
  • the control panel 14 includes a power converter 15, a main circuit relay 16, a brake relay 17, a first control unit 18, and a first input / output unit 19.
  • the power converter 15 is provided between the commercial power source 1 and the hoisting machine 2.
  • the power converter 15 has a function of converting the power input from the commercial power source 1 and outputting it to the hoisting machine 2.
  • the main circuit relay 16 is provided between the commercial power source 1 and the power converter 15.
  • the main circuit relay 16 has a function of maintaining and shutting off power supply from the commercial power source 1 to the power converter 15.
  • the 1st control part 18 is provided with the function to perform various arithmetic processing for performing operation control of an elevator.
  • the first input / output unit 19 has a function of inputting detection signals from the rotation detector 6, the car door switch 10, the landing door switch 12, and the door zone sensor 13. Further, the first input / output unit 19 has a function of outputting various detection signals to the first control unit 18. Further, the first input / output unit 19 outputs a command signal to the power converter 15, the main circuit relay 16, and the brake relay 17 based on the calculation result of the first control unit 18, and flows to the brake coil 8. A function for controlling current is provided.
  • the door opening travel protection function can be easily added.
  • the structure which adds a door open travel protection function is demonstrated.
  • FIG. 2 is an overall configuration diagram for explaining a case where a door opening travel protection function is added to the elevator apparatus of FIG.
  • the 2nd control part 20 and the 2nd input / output part 21 are attached to the control panel 14 so that attachment or detachment is possible.
  • the second controller 20 has a function of performing various arithmetic processes for controlling the brake device 7 when an abnormality is detected.
  • the second input / output unit 21 receives detection signals from the rotation detector 6, the car door switch 10, the landing door switch 12, and the door zone sensor 13. It has a function to be performed.
  • the second input / output unit 21 has a function of outputting various detection signals to the second control unit 20 and the first input / output unit 19.
  • the calculation result of the first control unit 18 is input to the second input / output unit 21 via the first input / output unit 19 in a normal state.
  • the second input / output unit 21 outputs a command signal to the power converter 15, the main circuit relay 16, and the brake relay 17 based on the calculation result of the first control unit 18, and flows to the brake coil 8. Control the current.
  • the second input / output unit 21 determines the first The calculation result of the second control unit 20 is prioritized over the calculation result of the control unit 18. That is, when door-open running is detected, the second input / output unit 21 sends a command signal to the power converter 15, the main circuit relay 16, and the brake relay 17 based on the calculation result of the second control unit 20. While outputting, the electric current which flows into the brake coil 8 is controlled. Thereby, the car 4 maintains the stop state after the sudden stop.
  • FIG. 3 is a circuit configuration diagram in the control panel before the door-opening travel protection function is added to the elevator apparatus according to Embodiment 1 of the present invention.
  • FIG. 4 is a circuit configuration diagram in the control panel after adding the door-opening travel protection function to the elevator apparatus according to Embodiment 1 of the present invention.
  • the first control unit 18 is connected to the first input / output unit 19 via a bus 22.
  • the first control unit 18 includes a flash ROM 23, a CPU 24, and a RAM 25.
  • the flash ROM 23 retains its contents even when the power is turned off.
  • the flash ROM 23 stores an elevator operation control program.
  • the flash ROM 23 also has a function of holding an abnormal signal.
  • the CPU 24 has a function of performing an elevator operation control calculation based on a program described in the flash ROM 23.
  • the RAM 25 has a function of storing various variables that appear in the calculation process of the CPU 24.
  • the first input / output unit 19 includes an input port 26 and an output port 27.
  • the input port 26 is usually composed of a resistor, a photocoupler, or the like.
  • the input port 26 has a function of taking in a signal from the outside. Specifically, detection signals from the contacts of the rotation detector 6, the door switches 10 and 12, the door zone sensor 13, and the main circuit relay 16 are input to the input port 26.
  • a signal from the safety circuit 28 that operates in response to the operation of the safety device that detects the abnormality of the elevator is also input to the input port 26.
  • other input signals 29 necessary for controlling the operation of the elevator are also input to the input port 26.
  • the input port 26 has a sufficient number of ports. For this reason, the second input / output unit 21 can be connected to the input port 26.
  • the output port 27 is usually composed of a semiconductor switch or the like.
  • the output port 27 has a function of outputting a command signal to an external device. Specifically, the output port 27 outputs a command signal to the brake coil 8, the main circuit relay 16, and the brake relay 17.
  • the output port 27 also outputs other output signals 30 necessary for controlling the operation of the elevator.
  • the output port 27 has a sufficient number of ports. For this reason, the second input / output unit 21 can be connected to the output port 27.
  • the 2nd control part 20 and the 2nd input / output part 21 are attached later.
  • the second control unit 20 and the second input / output unit 21 are connected via a bus 31 different from the bus 22. Similar to the first control unit 18, the second control unit 20 includes a flash ROM 32, a CPU 33, and a RAM 34.
  • the second input / output unit 21 includes an input port 35 and an output port 36 in the same manner as the first input / output unit 19.
  • the rotation detector 6, the door switches 10 and 12, the door zone sensor 13, the contacts of the main circuit relay 16, and the safety circuit 28 connected to the input port 26 of the first input / output unit 19 are connected to the input port 35. Is done.
  • the input port 35 is also connected to the output port 27 of the first input / output unit 19.
  • the brake coil 8, the main circuit relay 16, and the brake relay 17 that are connected to the output port 27 of the first input / output unit 19 are connected to the output port 27.
  • the output port 36 is also connected to the input port 26 of the first input / output unit 19.
  • FIG. 5 is a flowchart for explaining the door-opening travel protection operation of the elevator apparatus according to Embodiment 1 of the present invention.
  • the door-opening travel protection process is called periodically in the second control unit 20. Specifically, first, in step S1, it is determined based on the operation of the door switches 10 and 12 whether or not the elevator is in a door-closed state. When the elevator is in the door-closed state, the process in that cycle ends.
  • step S2 based on the operation of the door zone sensor 13, it is determined whether or not the car 4 is positioned outside the door zone. When the car 4 is located in the door zone, the processing in that cycle ends. On the other hand, if the car 4 is located outside the door zone, the process proceeds to step S3.
  • step S3 based on the change in the operation state of the door zone sensor 13, it is determined whether or not the car 4 has escaped from the door zone. When the car 4 escapes from the door zone, it is determined that the door-opening has occurred, and the process proceeds to step S4.
  • step S4 the second control unit 20 outputs an OFF command to the main circuit relay 16, and the process proceeds to step S5.
  • step S5 the second control unit 20 outputs an OFF command to the brake relay 17, and the process proceeds to step S6.
  • step S6 the detection flag for the door-opening travel is stored in the flash ROM 32, and the operation in that cycle ends.
  • step S7 the second control unit 20 outputs an OFF command to the main circuit relay 16, and the process proceeds to step S8.
  • step S8 the second control unit 20 outputs an OFF command to the brake relay 17, and the operation in that cycle ends.
  • the second input / output unit 21 and the second control unit 20 are detachably provided on the control panel 14.
  • the second control unit 20 controls the brake device 7 instead of the first control unit 18.
  • working can be added to a normal elevator by an easy method.
  • the change of an apparatus structure can be minimized and the platform of the control panel 14 can be made common.
  • the second control unit 20 controls the brake device 7 so that the car 4 maintains a stopped state after a sudden stop. That is, the circuit configuration in the control panel 4 functions as a latch circuit that does not operate the brake device 7 until the release by the maintenance staff. For this reason, the safety of the elevator user can be ensured.
  • an external signal is input to the first input / output unit 19 via the second input / output unit 21.
  • the wiring may be branched and an external signal may be input to the first input / output unit 19 and the second input / output unit 21.
  • FIG. FIG. 6 is a timing chart for explaining a normal control state of the brake device used in the elevator apparatus according to Embodiment 2 of the present invention.
  • FIG. 7 is a timing chart for illustrating a control state when the brake device used in the elevator apparatus according to Embodiment 2 of the present invention is abnormal.
  • symbol is attached
  • the second input / output unit 21 and the second control unit 20 are added to perform the door-opening travel protection operation.
  • the second input / output unit 21 and the second control unit 20 are added so that the car 4 operates at a predetermined deceleration.
  • FIG. 6 37 is the speed of the car 4.
  • the speed 37 of the car 4 is obtained from the rotation detector 6.
  • Reference numeral 38 denotes the acceleration of the car 4.
  • the acceleration 39 of the car 4 is calculated from the change in the speed 37 of the car 4.
  • Reference numeral 39 denotes an operating state of the semiconductor switch. This operating state 39 relates to the semiconductor switch of the output port 36 that supplies power to the brake coil 8.
  • Reference numeral 40 denotes an operating state of the brake relay 17.
  • the first control unit 18 When starting the elevator, the first control unit 18 outputs the operation of the brake relay 17 and the brake suction command via the first input / output unit 19. Thereby, at time t0, the operation state 38 of the semiconductor switch and the operation state 40 of the brake relay 17 are turned on. That is, a current flows through the brake coil 8. As a result, the brake coil 8 is energized and the brake device 7 releases the braking force.
  • the elevator travels normally.
  • the speed 37 of the car 4 is equal to or less than a preset threshold value VLIM.
  • the acceleration 38 of the car 4 is also equal to or higher than a preset threshold value ⁇ L.
  • the operating state 39 of the semiconductor switch and the operating state 40 of the brake relay 17 are kept on until the elevator is released.
  • the current is controlled so that a predetermined current flows through the brake coil 8. For this reason, the operation state 39 of the semiconductor switch is controlled to repeat the ON state and the OFF state.
  • the second control unit 20 turns the operation state 39 of the semiconductor switch to the OFF state.
  • the brake device 7 generates a braking force for the hoisting machine 2.
  • the acceleration 38 of the car 4 becomes equal to or less than the threshold value ⁇ L at time t2.
  • the second control unit 20 sets the operation state 39 of the semiconductor switch to the ON / OFF repetition state so that the deceleration of the car 4 becomes a predetermined value.
  • the speed 37 of the car 4 becomes zero.
  • the 2nd control part 20 makes the operation state 40 of the brake relay 17 an OFF state, and deceleration control is complete
  • FIG. 8 is a flowchart for illustrating a control procedure of the brake device by the second control unit of the elevator apparatus according to Embodiment 2 of the present invention. This process is periodically called in the second control unit 20. Specifically, first, an elevator start command is output from the first control unit 18. In step S ⁇ b> 11, it is determined whether a brake suction command is input to the second input / output unit 21 via the first input / output unit 19.
  • step S12 current control is performed so that a switching pattern is output to the semiconductor switch so that the current flowing through the brake coil 8 has an appropriate value. Thereafter, the process proceeds to step S13, where the semiconductor switch performs an ON / OFF operation based on the switching pattern, and the processing in that cycle ends.
  • step S14 it is determined whether or not the acceleration of the car 4 is equal to or less than a threshold value ⁇ .
  • a threshold value ⁇ it is determined that the deceleration of the car 4 is excessive.
  • the process proceeds to step S15, and deceleration control is performed so that the deceleration of the car 4 is constant.
  • step S13 the semiconductor switch performs an ON / OFF operation based on the switching pattern by the deceleration control, and the process in that cycle is completed.
  • step S16 the semiconductor switch is turned off, and the processing in that cycle ends.
  • FIG. 9 is a flowchart for illustrating the deceleration reduction control of the car by the second control unit of the elevator apparatus according to Embodiment 2 of the present invention.
  • This process is periodically called in the second control unit 20. Specifically, first, in step S21, it is determined whether or not the speed of the car 4 is zero. If the speed of the car 4 is 0, the process proceeds to step S22. In step S22, timer initialization and speed limit value initialization are performed as variable initialization processing. Specifically, the timer count t is returned to zero. Also, the speed limit value is returned from VMAX to VLIM.
  • step S23 it is determined whether or not there is a brake suction command. If there is a brake suction command, the process proceeds to step S24. In step S24, the brake relay 17 is turned on, and the processing for that cycle ends. On the other hand, if there is no brake suction command in step S23, the process proceeds to step S25. In step S25, the brake relay 17 is turned off and the operation ends.
  • step S21 it is determined whether or not the detection state of the door switches 10 and 12 is the door open state and the detection state of the door zone sensor 13 is outside the door zone. If the door is open and outside the door zone, the process proceeds to step S25, where the brake relay 17 is turned off, and the processing in that cycle ends.
  • step S27 it is determined whether or not the absolute value of the speed of the car 4 is smaller than VLIM. If the absolute value of the speed of the car 4 is greater than or equal to VLIM, it is determined that the speed of the car 4 is excessive. In this case, the process proceeds to step S25, and after the brake relay 17 is turned off, the processing in that cycle ends.
  • step S28 it is determined whether or not the timer count t is zero. If the timer count t is 0, the process proceeds to step S29. In step S29, it is determined whether or not the acceleration of the car 4 is greater than a threshold value ⁇ L.
  • step S30 the brake relay 17 is turned on, and the process in that cycle ends.
  • step S31 the timer count t is incremented. Thereafter, the process proceeds to step S30, where the brake relay 17 is turned on for deceleration control, and the processing in that cycle ends.
  • step S32 it is determined whether or not the timer count t is greater than a predetermined time tmax. When the timer count t is equal to or less than the predetermined time tmax, it is recognized that it is a dead time until the braking force is generated in the brake device 7. In this case, after incrementing the timer count t in step S31, the brake relay 17 is turned on for deceleration control in step S30, and the processing in that cycle ends.
  • step S32 determines that the deceleration control state is set. In this case, the process proceeds to step S33, and a value obtained by subtracting V1 for one cycle from the speed limit value VLIM is set as a new speed limit value VLIM. Thereafter, the process proceeds to step S30, where the brake relay 17 is turned on for deceleration control, and the processing in that cycle ends.
  • the second controller 20 causes the deceleration of the car 4 to be a predetermined deceleration when the safety circuit 28 is about to stop the car 4 suddenly.
  • the brake device 7 is controlled instead of the first control unit 18.
  • the second control unit 20 causes the deceleration of the car 4 to be a predetermined deceleration when the main circuit relay 16 is switched from the state of supplying power to the hoisting machine 2 to the state of shutting off.
  • the brake device 7 is controlled instead of the first control unit 18.
  • the deceleration control function can be added to a normal elevator by an easy method. Thereby, the change of an apparatus structure can be minimized and the platform of the control panel 14 can be made common.
  • the same effect can be obtained not only in the operations of the first and second embodiments but also in a configuration in which the brake device 7 is controlled by the second control unit 20 when an abnormality is detected.
  • a detection unit for detecting an abnormality of the elevator is detachably provided on the control panel 14, and the second control unit 20 replaces the first control unit 18 with the brake device 7 when the detection unit detects an abnormality. What is necessary is just to set it as the structure controlled.
  • the elevator device according to the present invention can be used for an elevator having a control panel for controlling a brake device.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Elevator Control (AREA)
PCT/JP2009/069540 2009-11-18 2009-11-18 エレベータ装置 WO2011061819A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN200980162236.2A CN102596778B (zh) 2009-11-18 2009-11-18 电梯装置
PCT/JP2009/069540 WO2011061819A1 (ja) 2009-11-18 2009-11-18 エレベータ装置
KR1020127005827A KR101354728B1 (ko) 2009-11-18 2009-11-18 엘리베이터 장치
EP09851441.7A EP2502869B1 (en) 2009-11-18 2009-11-18 Elevator device
JP2011541753A JP5360225B2 (ja) 2009-11-18 2009-11-18 エレベータ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2009/069540 WO2011061819A1 (ja) 2009-11-18 2009-11-18 エレベータ装置

Publications (1)

Publication Number Publication Date
WO2011061819A1 true WO2011061819A1 (ja) 2011-05-26

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PCT/JP2009/069540 WO2011061819A1 (ja) 2009-11-18 2009-11-18 エレベータ装置

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EP (1) EP2502869B1 (ko)
JP (1) JP5360225B2 (ko)
KR (1) KR101354728B1 (ko)
CN (1) CN102596778B (ko)
WO (1) WO2011061819A1 (ko)

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RU2537508C2 (ru) * 2013-03-12 2015-01-10 Закрытое Акционерное Общество Производственное объединение "Комплекс" Устройство обеспечения безопасности лифта
CN103395668B (zh) * 2013-08-20 2015-08-05 黄平刚 一种用于升降机的紧急驻停保护装置
CN103803366B (zh) 2013-12-19 2016-04-27 西子奥的斯电梯有限公司 一种电梯抱闸力矩检测方法
WO2015151256A1 (ja) * 2014-04-03 2015-10-08 三菱電機株式会社 エレベータの制御装置
ES2763933T3 (es) * 2016-08-02 2020-06-01 Kone Corp Procedimiento, unidad de control de ascensor, y sistema de ascensor para ajustar dinámicamente un límite de velocidad de nivelación de una cabina de ascensor

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JP5360225B2 (ja) 2013-12-04
EP2502869B1 (en) 2017-01-25
EP2502869A1 (en) 2012-09-26
CN102596778A (zh) 2012-07-18
KR101354728B1 (ko) 2014-01-22
CN102596778B (zh) 2014-04-23
JPWO2011061819A1 (ja) 2013-04-04
EP2502869A4 (en) 2014-12-10
KR20120054043A (ko) 2012-05-29

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