WO2016189632A1 - エレベーター装置 - Google Patents

エレベーター装置 Download PDF

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Publication number
WO2016189632A1
WO2016189632A1 PCT/JP2015/064967 JP2015064967W WO2016189632A1 WO 2016189632 A1 WO2016189632 A1 WO 2016189632A1 JP 2015064967 W JP2015064967 W JP 2015064967W WO 2016189632 A1 WO2016189632 A1 WO 2016189632A1
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WO
WIPO (PCT)
Prior art keywords
pattern
stroke
atmospheric pressure
car
difference
Prior art date
Application number
PCT/JP2015/064967
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English (en)
French (fr)
Japanese (ja)
Inventor
竜馬 吉峰
大沼　直人
岩本　晃
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 CN201580080066.9A priority Critical patent/CN107614411B/zh
Priority to PCT/JP2015/064967 priority patent/WO2016189632A1/ja
Publication of WO2016189632A1 publication Critical patent/WO2016189632A1/ja

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/02—Control systems without regulation, i.e. without retroactive action
    • B66B1/06—Control systems without regulation, i.e. without retroactive action electric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/02—Cages, i.e. cars

Definitions

  • the present invention relates to an elevator apparatus, and more particularly to an elevator apparatus that controls the atmospheric pressure in a car.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 7-112879
  • Patent Document 2 Japanese Patent Application Laid-Open No. 2009-137737
  • Patent Document 2 Japanese Patent Application Laid-Open No. 2009-137737
  • Patent Document 2 Japanese Patent Application Laid-Open No. 2009-137737
  • An elevator device is described that adjusts in a staircase pattern as the car moves up and down.
  • a barometer barometric pressure detector, pressure
  • Detection means the space for installing an atmospheric pressure measuring device is required, and there is a problem that the cost for installing the atmospheric pressure measuring device is high.
  • An object of the present invention is to provide an elevator apparatus that can change the air pressure in the car stepwise without providing a barometer for measuring the air pressure in the car.
  • the elevator apparatus has the following features.
  • a control device a control device.
  • the atmospheric pressure control device generates an atmospheric pressure difference pattern representing a relationship between time and an atmospheric pressure difference between the inside and the outside of the car from the speed pattern, and an atmospheric pressure difference between the inside and the outside of the car is
  • the pressure adjusting device is controlled so as to be a difference in atmospheric pressure in the atmospheric pressure difference pattern.
  • the elevator apparatus can change the air pressure in the car step by step without providing a barometer for measuring the air pressure in the car.
  • 1 is an external perspective view of a car in an embodiment of the present invention.
  • 5 is a flowchart illustrating a procedure for generating a pressure difference pattern in the first embodiment. It is a figure which shows an example of a speed pattern. It is a figure which shows an example of an S-shaped process pattern, a linear process pattern, and a target process pattern. It is a figure which shows an example of an atmospheric
  • the elevator apparatus can control the pressure (atmospheric pressure) in the car without providing a barometer for measuring the air pressure in the car, thereby reducing the discomfort felt by passengers in the car. be able to. Therefore, the space and cost for installing the barometer are not required.
  • the air pressure in the car is controlled according to a predetermined pattern without measuring the air pressure in the car, so the air pressure in the car can be controlled at a higher speed and with higher accuracy than before. Suitable for equipment.
  • the elevator device according to the present invention does not include a barometric pressure detector in the car, so that it is not necessary to increase the weight of the car.
  • FIG. 6 is a schematic diagram of an elevator apparatus according to an embodiment of the present invention.
  • the elevator apparatus 11 includes a car 1 and a weight 15 that move up and down in the hoistway 13.
  • the car 1 and the weight 15 are connected to each other by a rope 14.
  • a machine room 16 is provided above the hoistway 13, and a control panel 12, a sheave 17, and a pulley 18 are installed in the machine room 16.
  • the control panel 12 controls the elevator apparatus 11 such as moving the car 1 and opening / closing the door.
  • the rope 14 is wound around the sheave 17 and the pulley 18. When the sheave 17 rotates, the rope 14 is driven, and the car 1 and the weight 15 are moved up and down.
  • FIG. 1 is an external perspective view of the car 1.
  • the car 1 that moves up and down in the hoistway 13 includes a pressure adjusting device 2, a pipe 4 that communicates the pressure adjusting device 2 and the inside of the car 1, and an atmospheric pressure control device 5.
  • the pressure adjusting device 2 is a device that changes the air pressure inside the car 1 and supplies or exhausts air to the inside of the car 1 through the pipe 4.
  • the pressure adjusting device 2 can be constituted by, for example, a blower, and pressurizes the interior of the car 1 by supplying air and depressurizes the interior of the car 1 by exhausting air.
  • the atmospheric pressure control device 5 controls the pressure inside the car 1 by controlling the pressure adjusting device 2 using an atmospheric pressure difference pattern generated as described later.
  • the atmospheric pressure control device 5 is provided in the car 1 in this embodiment, it can be installed in an arbitrary place such as the control panel 12.
  • the car 1 may further include a differential pressure measuring device 3 that measures a pressure difference between the inside and outside of the car 1. If the differential pressure measuring device 3 is used, as will be described later, more accurate atmospheric pressure control can be performed.
  • FIG. 2 is a flowchart showing a procedure for generating the above-described atmospheric pressure difference pattern in the first embodiment.
  • the air pressure difference pattern represents how the difference between the target air pressure inside the preferred car 1 and the air pressure outside the car 1 changes with time as the car 1 travels.
  • the pressure control device 5 obtains it based on the speed pattern of the car 1. That is, the atmospheric pressure difference pattern represents the relationship between time and the atmospheric pressure difference between the inside and outside of the car 1.
  • the atmospheric pressure control device 5 generates an atmospheric pressure difference pattern from when the destination floor is determined until the car 1 travels or during travel of the car 1.
  • step S1 a speed pattern representing the relationship between the time and speed of the car 1 is generated.
  • the atmospheric pressure control device 5 is located between the lower stop floor and the upper stop floor in the hoistway 13 based on the rated speed, acceleration, deceleration, travel distance, etc. of the car 1 determined by the specifications of the elevator device 11 (travel A speed pattern of the car 1 is generated in the entire lifting / lowering stroke (between the start floor and the destination floor).
  • the speed of the car 1 is controlled by a speed command value according to this speed pattern.
  • FIG. 3 is a diagram illustrating an example of the generated speed pattern 6.
  • the horizontal axis in FIG. 3 indicates time, and the vertical axis indicates the elevator speed (speed of the car 1).
  • the car 1 starts to travel at an accelerated speed from the travel start floor with time, travels at a constant speed, and decelerates to the destination floor.
  • step S2 an S-shaped stroke pattern is generated from the speed pattern 6.
  • the atmospheric pressure control device 5 integrates the speed in the speed pattern 6 generated in step S1 with time to make the stroke of the car 1, and generates an S-shaped stroke pattern (S-shaped stroke pattern).
  • the S-shaped stroke pattern represents how the stroke (travel distance) of the car 1 changes as the car 1 travels, that is, the relationship between the time and the stroke of the car 1.
  • FIG. 4 shows an example of the generated S-shaped stroke pattern 7.
  • the horizontal axis in FIG. 4 indicates time, and the vertical axis indicates the stroke of the car 1.
  • the rate of increase in the stroke varies depending on the change in the elevator speed shown in FIG. 3. That is, the rate of increase in the stroke increases with time during acceleration and traveling, is constant during traveling at a constant speed, and decreases with time during deceleration and traveling. It is known that the atmospheric pressure outside the car 1 changes in a pattern having the same shape as the S-shaped stroke pattern 7.
  • step S3 a linear stroke pattern is generated from the S-shaped stroke pattern 7.
  • the atmospheric pressure control device 5 connects the start point and the end point (from the travel start time to the stop time of the car 1) of the S-shaped travel pattern 7 generated in step S2 with a straight line to generate a linear travel pattern (straight travel pattern). To do.
  • FIG. 4 also shows an example of the generated straight stroke pattern 8.
  • the rate of increase in the stroke is constant. This increase rate corresponds to a value obtained by dividing the travel distance from the travel start time to the stop time of the car 1 by the travel time.
  • step S4 a target stroke pattern is generated from the S-shaped stroke pattern 7 and the straight stroke pattern 8.
  • the atmospheric pressure control device 5 generates a target stroke pattern that changes in a region between the S-shaped stroke pattern 7 obtained in step S2 and the linear stroke pattern 8 along the straight stroke pattern 8 obtained in step S3. It is preferable that the air pressure inside the car 1 changes in a pattern having the same shape as the target stroke pattern as the car 1 travels.
  • FIG. 4 also shows an example of the generated target stroke pattern 9.
  • the target stroke pattern 9 is a stroke pattern that increases with time in a region between the S-shaped stroke pattern 7 and the linear stroke pattern 8.
  • the shape of the target stroke pattern 9 can be any shape such as a straight line, a broken line, or a curved line.
  • FIG. 4 shows, as an example, a case where the target stroke pattern 9 is a polygonal line and the stroke increase rate changes. That is, the target stroke pattern 9 shown in FIG. 4 is a stroke pattern in which the stroke changes stepwise in a region between the S-shaped stroke pattern 7 and the linear stroke pattern 8.
  • the rate of increase in the stroke changes gradually. It is not preferable to change to.
  • a stroke difference pattern is generated from the target stroke pattern 9 and the S-shaped stroke pattern 7.
  • the stroke difference pattern represents the relationship between the time and the stroke difference between the target stroke pattern 9 and the S-shaped stroke pattern 7.
  • the atmospheric pressure control device 5 obtains a difference between the target stroke pattern 9 obtained at step S4 and the S-shaped stroke pattern 7 obtained at step S2, and generates a stroke difference pattern.
  • the atmospheric pressure control device 5 calculates a stroke difference pattern by subtracting the stroke of the S-shaped stroke pattern 7 from the stroke of the target stroke pattern 9 every time.
  • the stroke difference pattern represents a stroke difference between the target stroke pattern 9 and the S-shaped stroke pattern 7 for each time.
  • step S6 an atmospheric pressure difference pattern is generated from the stroke difference pattern.
  • the atmospheric pressure control device 5 converts the stroke difference of the stroke difference pattern into a pressure difference inside and outside the car 1 to generate a pressure difference pattern.
  • the relationship between atmospheric pressure and altitude is used to convert the stroke difference into the atmospheric pressure difference.
  • the atmospheric pressure difference can be obtained from the stroke difference using the equation (6) or the equation (8) described in Reference Document 1. (Reference 1: Takeyasu Sakai, 2 others, “Altitude measurement error by barometric altimeter and its correction”, Electronic Navigation Research Institute report, March 2005, No. 114, p.
  • FIG. 5 is a diagram illustrating an example of the generated atmospheric pressure difference pattern 10.
  • the horizontal axis in FIG. 5 represents time, and the vertical axis represents the pressure difference between the inside and outside of the car 1.
  • the atmospheric pressure difference pattern 10 is obtained by multiplying the stroke difference (the stroke difference between the target stroke pattern 9 and the S-shaped stroke pattern 7 in FIG. 4) by the obtained conversion constant C.
  • the atmospheric pressure control device 5 controls the pressure adjustment device 2 using the atmospheric pressure difference between the inside and outside of the car 1 for each hour in the air pressure difference pattern generated in this way, and controls the air pressure inside the car 1. .
  • the atmospheric pressure control device 5 controls the pressure adjusting device 2 by giving the pressure adjusting device 2 a rotation frequency command (a distinction between supply and exhaust and a command for the rotational speed).
  • the atmospheric pressure outside the car 1 is moderate as the S-shaped stroke pattern 7 shown in FIG. 4 with the change in the lifting speed of the car 1 (speed pattern 6 shown in FIG. 3). It changes according to the S-shaped pattern. That is, the atmospheric pressure outside the car 1 is obtained using the S-shaped stroke pattern 7. Therefore, the atmospheric pressure control device 5 gives a rotation frequency command to the pressure adjusting device 2 so that the atmospheric pressure difference between the inside and outside of the car 1 becomes the atmospheric pressure difference in the atmospheric pressure difference pattern every time, and the supply of the pressure adjusting device 2 is performed.
  • the air volume or the exhaust volume can be controlled.
  • the pressure adjusting device 2 can supply or exhaust air according to the rotation frequency command from the atmospheric pressure control device 5 to change the atmospheric pressure inside the car 1.
  • the pressure adjusting device 2 performs, for example, the following control according to the rotation frequency command from the atmospheric pressure control device 5.
  • the pressure adjusting device 2 causes air to flow into the car 1 so that the internal pressure of the car 1 is higher than the external air pressure during the first half of the traveling time.
  • the pressure adjusting device 2 discharges air from the inside of the car 1 so that the inside of the car 1 is in a negative pressure state in the first half of the running time, and the second half of the running time. Then, air is caused to flow into the inside of the car 1 so that the inside of the car 1 is in a positive pressure state.
  • the atmospheric pressure inside the car 1 can be gradually and gradually changed. For this reason, it can suppress that the pressure difference between the inside and outside of the car 1 becomes large, or the air pressure inside the car 1 changes suddenly, thereby reducing passenger discomfort due to a sudden change in air pressure. can do.
  • a barometer is provided to measure the pressure inside or outside the car 1 or inside the car 1.
  • the atmospheric pressure control device 5 controls the pressure adjusting device 2 based on the atmospheric pressure difference pattern generated before or during the traveling of the car 1, so that no atmospheric pressure measuring device is required. . Therefore, in the elevator apparatus 11 by this invention, the structure for controlling the atmospheric
  • the car 1 can also include the differential pressure measuring device 3 (FIG. 1) that measures the pressure difference between the inside and outside of the car 1.
  • the atmospheric pressure control device 5 can read the atmospheric pressure difference between the inside and outside of the car 1 measured by the differential pressure measuring device 3 (actual pressure difference inside and outside the car 1).
  • the atmospheric pressure control device 5 controls the pressure adjustment device 2 to control the atmospheric pressure inside the car 1, and the atmospheric pressure difference measured by the differential pressure measuring device 3 and the atmospheric pressure difference pattern generated in step S6 of FIG. Compare the pressure difference at. If there is a difference between the atmospheric pressure difference measured by the differential pressure measuring device 3 and the atmospheric pressure difference in the atmospheric pressure difference pattern at a predetermined time, the atmospheric pressure control device 5 uses the atmospheric pressure measured by the differential pressure measuring device 3. A rotation frequency command is given to the pressure adjusting device 2 so that the difference approaches the pressure difference in the pressure difference pattern, and the pressure inside the car 1 is controlled. This predetermined time can be determined in advance using the rated speed, acceleration, deceleration, travel distance, speed pattern, etc. of the car 1.
  • the differential pressure measuring device 3 when used, the atmospheric pressure inside the car 1 can be controlled with higher accuracy.
  • the atmospheric pressure difference pattern is generated according to the procedure shown in FIG. 2, but the atmospheric pressure difference pattern can be generated by a procedure other than this procedure.
  • the second embodiment a method for generating a pressure difference pattern by a procedure other than the procedure shown in the first embodiment will be described.
  • step S4 after the target stroke pattern 9 is generated in step S4 and the difference between the target stroke pattern 9 and the S-shaped stroke pattern 7 is obtained in step S5, the stroke difference pattern is generated.
  • step S6 the stroke difference pattern is converted to generate an atmospheric pressure difference pattern.
  • the procedure after generating the target stroke pattern 9 is different from that in the first embodiment.
  • FIG. 7 is a flowchart showing a procedure for generating a pressure difference pattern in the second embodiment.
  • steps S1 to S4 are the same as those in the flowchart of FIG.
  • a target atmospheric pressure pattern is generated from the target stroke pattern 9 in step S11.
  • the atmospheric pressure control device 5 converts the stroke of the target stroke pattern 9 into atmospheric pressure, and generates a target atmospheric pressure pattern from the target stroke pattern 9.
  • the target atmospheric pressure pattern represents the relationship between time and the atmospheric pressure obtained from the stroke of the target stroke pattern 9, that is, the relationship between time and the atmospheric pressure inside the target car 1.
  • step S12 an S-shaped atmospheric pressure pattern is generated from the S-shaped stroke pattern 7.
  • the atmospheric pressure control device 5 converts the stroke of the S-shaped stroke pattern 7 into the atmospheric pressure and generates an S-shaped atmospheric pressure pattern from the S-shaped stroke pattern 7 as in step S11.
  • the S-shaped atmospheric pressure pattern represents the relationship between time and the atmospheric pressure obtained from the stroke of the S-shaped stroke pattern 7, that is, the relationship between time and the atmospheric pressure outside the car 1.
  • an atmospheric pressure difference pattern is generated from the target atmospheric pressure pattern and the S-shaped atmospheric pressure pattern.
  • the atmospheric pressure control device 5 obtains a difference between the target atmospheric pressure pattern and the S-shaped atmospheric pressure pattern, and generates an atmospheric pressure difference pattern. Specifically, the atmospheric pressure control device 5 calculates the atmospheric pressure difference pattern by subtracting the atmospheric pressure of the S-shaped atmospheric pressure pattern from the atmospheric pressure of the target atmospheric pressure pattern every time.
  • the pressure difference between the inside and outside of the car 1 increases, and the target stroke pattern 9 relating to the air pressure inside the car 1 and the outside of the car 1 shown in FIG.
  • the difference from the S-shaped stroke pattern 7 related to the atmospheric pressure becomes large. If the pressure difference between the inside and outside of the car 1 becomes large, the burden on the pressure adjusting device 2 becomes large, and it is difficult to control the air pressure inside the car 1 unless the pressure adjusting device 2 has a high capacity. .
  • the atmospheric pressure control device 5 has a period shorter than the travel time from the start of travel of the car 1 to the end of travel (from the travel time of the car 1 to the period p1, the period p2, or the sum of the period p1 and the period p2). Is set to a period for controlling the atmospheric pressure inside the car 1 (atmospheric pressure control section), and the pressure adjusting device 2 is controlled in this atmospheric pressure control section to control the atmospheric pressure inside the car 1. You may do it.
  • the time point t1 and the time point t2 can be determined in advance according to the capability (specification) of the pressure adjusting device 2.
  • step S3 of FIGS. 2 and 7 in the S-shaped stroke pattern 7, the start point of the atmospheric pressure control section (at the start time of atmospheric pressure control) and the end point of the atmospheric pressure control section (at the end time of atmospheric pressure control) are connected by a straight line.
  • the straight stroke pattern 8 is generated.
  • this invention is not limited to said Example, A various deformation
  • the above-described embodiments are described in detail for easy understanding of the present invention, and the present invention is not necessarily limited to an aspect including all the configurations described.
  • a part of the configuration of a certain embodiment can be replaced with the configuration of another embodiment.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Character Spaces And Line Spaces In Printers (AREA)
PCT/JP2015/064967 2015-05-25 2015-05-25 エレベーター装置 WO2016189632A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201580080066.9A CN107614411B (zh) 2015-05-25 2015-05-25 电梯装置
PCT/JP2015/064967 WO2016189632A1 (ja) 2015-05-25 2015-05-25 エレベーター装置

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PCT/JP2015/064967 WO2016189632A1 (ja) 2015-05-25 2015-05-25 エレベーター装置

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110228744B (zh) * 2018-03-06 2021-10-19 富士达株式会社 气压控制模式的设定方法以及具备气压调整装置的电梯

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07112879A (ja) * 1993-10-18 1995-05-02 Shimizu Corp エレベータ装置
JPH10182039A (ja) * 1996-12-24 1998-07-07 Toshiba Corp エレベータ装置
WO2009060545A1 (ja) * 2007-11-09 2009-05-14 Mitsubishi Electric Corporation エレベータ気圧制御装置
WO2011010362A1 (ja) * 2009-07-21 2011-01-27 三菱電機株式会社 エレベータ装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07112879A (ja) * 1993-10-18 1995-05-02 Shimizu Corp エレベータ装置
JPH10182039A (ja) * 1996-12-24 1998-07-07 Toshiba Corp エレベータ装置
WO2009060545A1 (ja) * 2007-11-09 2009-05-14 Mitsubishi Electric Corporation エレベータ気圧制御装置
WO2011010362A1 (ja) * 2009-07-21 2011-01-27 三菱電機株式会社 エレベータ装置

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CN107614411B (zh) 2019-04-12

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