EP2036848A1 - Système de transport de passagers - Google Patents

Système de transport de passagers Download PDF

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Publication number
EP2036848A1
EP2036848A1 EP06767667A EP06767667A EP2036848A1 EP 2036848 A1 EP2036848 A1 EP 2036848A1 EP 06767667 A EP06767667 A EP 06767667A EP 06767667 A EP06767667 A EP 06767667A EP 2036848 A1 EP2036848 A1 EP 2036848A1
Authority
EP
European Patent Office
Prior art keywords
control portion
intermediate control
footsteps
passenger conveyor
main frame
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP06767667A
Other languages
German (de)
English (en)
Other versions
EP2036848A4 (fr
Inventor
Koji Yoshida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP2036848A1 publication Critical patent/EP2036848A1/fr
Publication of EP2036848A4 publication Critical patent/EP2036848A4/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B23/00—Component parts of escalators or moving walkways
    • B66B23/02—Driving gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B25/00—Control of escalators or moving walkways
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B21/00—Kinds or types of escalators or moving walkways
    • B66B21/02—Escalators
    • B66B21/04—Escalators linear type

Definitions

  • the present invention relates to a passenger conveyor having footsteps whose operation speed is controlled by an operation control device including heat a generating component such as an inverter.
  • an inverter box and a relay box for performing inverter control of a driving machine are accommodated within an upper machine room (e.g., see Patent Document 1).
  • Patent Document 1 JP 2002-362872 A
  • the inverter box and the relay box are accommodated within the upper machine room, so the maintenance space within the upper machine room is small.
  • heat generating components such as an inverter
  • heat discharging means and cooling means need to be provided in the upper machine room.
  • due to architectural restrictions it is difficult to secure a space for installing the heat discharging means and the cooling means.
  • the present invention has been made to solve the above-mentioned problems, and it is therefore an obj ect of the present invention to provide a passenger conveyor that makes it possible to dispose heat generating components efficiently and secure a maintenance space within a machine room.
  • a passenger conveyor includes: a main frame; a plurality of footsteps provided on the main frame and coupled to one another endlessly to be rotated; a footstep driving device for driving the footsteps; and an operation control device for controlling the footstep driving device, in which: the operation control device has an intermediate control portion installed at a lengthwise intermediate portion of the main frame; and the intermediate control portion includes heat generating component that generates heat during operation.
  • Fig. 1 is a lateral view showing an escalator according to Embodiment 1 of the present invention.
  • Fig. 2 is a sectional view taken along the line II-II of Fig. 1 .
  • a main frame (truss) 1 is bridged between an upper floor and a lower floor.
  • the main frame 1 has an upper horizontal portion, an intermediate inclined portion, and a lower horizontal portion.
  • the main frame 1 is provided with a plurality of footsteps 2 coupled to one another endlessly.
  • the footsteps 2 are rotated within the main frame 1.
  • Each of the footsteps 2 is provided with a pair of driving rollers 3a and 3b and a pair of following rollers 4a and 4b.
  • a pair of driving rails 5a and 5b for guiding the driving rollers 3a and 3b respectively and a pair of following rails 6a and 6b for guiding the following rollers 4a and 4b respectively are provided within the main frame 1.
  • a machine room 7 is provided at an upper end portion of the main frame 1 (below a floor located in the vicinity of an upper platform).
  • a footstep driving device 8 for driving the footsteps 2 and a main control portion (main control panel) 9 are accommodated within the machine room 7.
  • the footstep driving device 8 has a driving motor 8a serving as a driving source.
  • a fixation bracket 10 is fixed to a lengthwise intermediate portion of the main frame 1, that is, an intermediate portion of the intermediate inclined portion thereof.
  • the fixation bracket 10 is parallel and horizontal to a width direction of the footsteps 2.
  • An intermediate control portion (intermediate control panel) 11 is fixed to the fixation bracket 10.
  • the intermediate control portion 11 is disposed between the footsteps 2 on an onward passage side and the footsteps 2 on a backward passage side with an inclination in the same direction as an inclination direction of the intermediate inclined portion of the main frame 1. More specifically, the intermediate control portion 11 is inclined parallel to the intermediate inclined portion of the main frame 1.
  • the intermediate control portion 11 includes components for controlling the operation speed of the footsteps 2, more specifically, an inverter, a converter, a reactor, and a regenerative resistor.
  • the inverter creates an alternating current corresponding to an arbitrary voltage and an arbitrary frequency from a direct-current voltage produced by the converter, with a view of controlling the driving motor 8a as an alternating-current motor to generate a required torque efficiently.
  • the inverter creates the alternating current through the switching of the direct-current voltage, and hence generates heat corresponding to a switching loss.
  • a diode converter or a transistor converter is used as the converter.
  • the diode converter and the transistor converter each create a direct-current voltage from an alternating current of a commercial power supply (with a constant voltage and a frequency of 50 Hz or 60 Hz).
  • the transistor converter has a function of returning regenerative energy to the power supply.
  • the converter creates the direct-current voltage through the switching of the alternating current, and hence generates heat corresponding to a switching loss.
  • the reactor functions as a filter for preventing the outflow of a harmonic and a surge voltage generated through the operations of the inverter and the converter so that the harmonic and the surge voltage do not adversely affect the commercial power supply or the driving motor 8a.
  • the energy of high-frequency components absorbed by the reactor as the filter is converted into heat, so the reactor generates this heat.
  • the regenerative resistor converts the energy returned (regenerated) from the driving motor 8a into heat and consumes this heat.
  • the inverter, the converter, the reactor, and the regenerative resistor, which are disposed in the intermediate control portion 11, are all heat generating components that generate heat during operation.
  • at least one of these heat generating components e.g., the inverter
  • the operation control device for controlling the footstep driving device 8 has the main control portion 9 and the intermediate control portion 11.
  • the intermediate control portion 11 is connected to the main control portion 9 via a cable 12.
  • the main control portion 9 is connected to the driving motor 8a via a cable 20. That is, a control signal from the intermediate control portion 11 is input to the driving motor 8a via the main control portion 9.
  • the main control portion 9 is provided with an interface portion connected communicably to the intermediate control portion 11.
  • the interface portion is provided with an operation portion for inputting changes in the parameters of the inverter and the converter, and a display portion for confirming the states of the inverter and the converter within the machine room 7.
  • the main control portion 9 has a microcomputer.
  • the intermediate control portion 11 is installed at the lengthwise intermediate portion of the main frame 1, and the inverter, the converter, the reactor, the regenerative resistor, and the like are disposed in the intermediate control portion 11. Therefore, the heat generating components can be disposed efficiently, and the layout within the machine room 7 allows an extra space. As a result, a sufficient maintenance space can be secured within the machine room 7.
  • the heat generated from the heat generating components such as the inverter, the converter, the reactor, the regenerative resistor, and the like can be discharged efficiently from among the footsteps 2 located above the intermediate control portion 11.
  • the air around the intermediate control portion 11 is stirred due to the movement of the footsteps 2, so the efficiency in discharging heat from the heat generating components can be enhanced. Also, the temperature within the machine room 7 is restrained from rising.
  • the intermediate control portion 11 is disposed with an inclination, so the heat pipe provided in at least one of the heat generating components is also disposed with an inclination.
  • the surface area of a liquid (e.g., distilled water) within the heat pipe is enlarged in comparison with a case where the intermediate control portion 11 is disposed vertically. Accordingly, a reduction in thermal resistance and an improvement in cooling efficiency are achieved.
  • the intermediate control portion 11 is disposed between the footsteps 2 on the onward passage side and the footsteps 2 on the backward passage side, and the intermediate control portion 11 can therefore be exposed simply by removing the footsteps 2 on the onward passage side, so good maintainability is ensured. Also, the intermediate control portion 11 can be disposed without changing the depth of the main frame 1.
  • the main control portion 9 within the machine room 7 is provided with the interface portion, so the states of the components in the intermediate control portion 11 can be confirmed and the settings thereof can be changed without removing the footsteps 2.
  • Fig. 3 is a lateral view showing an escalator according to Embodiment 2 of the present invention.
  • a first footstep driving device 13a and a second footstep driving device 13b for driving the footsteps 2 are disposed at the intermediate inclined portion.
  • the footstep driving devices 13a and 13b are disposed between the footsteps 2 on the onward passage side and the footsteps 2 on the backward passage side.
  • the intermediate control portion 11 is disposed between the footstep driving devices 13a and 13b.
  • the intermediate control portion 11 is connected to the main control portion 9 via the cable 12, to the first footstep driving device 13a via a cable 14a, and to the second footstep driving device 13b via a cable 14b. That is, the intermediate control portion 11 is directly connected to the footstep driving devices 13a and 13b without the intervention of the main control portion 9.
  • the footstep driving devices 13a and 13b are controlled by the common intermediate control portion 11.
  • Embodiment 2 of the present invention is identical to Embodiment 1 of the present invention in other constructional details.
  • the heat generating components can be disposed efficiently, and a sufficient maintenance space can be secured within the machine room 7.
  • Fig. 4 is a lateral view showing an escalator according to Embodiment 3 of the present invention.
  • a firstintermediate controlportion 15a for controlling the first footstep driving device 13a, and a second intermediate control portion 15b for controlling the second footstep driving device 13b are disposed at the intermediate inclined portion.
  • the first intermediate control portion 15a is connected to the main control portion 9 via the cable 12a, and to the first footstep driving device 13a via the cable 14a.
  • the second intermediate control portion 15b is connected to the main control portion 9 via the cable 12b, and to the second footstep driving device 13b via the cable 14b.
  • the intermediate control portions 15a and 15b which are equal in number to the footstep driving devices 13a and 13b, may be used.
  • the heat generating components can be disposed efficiently, and a sufficient maintenance space can be secured within the machine room 7.
  • Fig. 5 is a lateral view showing an escalator according to Embodiment 4 of the present invention.
  • Fig. 6 is a sectional view taken along the line VI-VI of Fig. 5 .
  • the fixation bracket 10 and the intermediate control portion 11 are disposed below the footsteps 2 on the backward passage side.
  • the depth dimension of the main frame 1 is larger than that of Embodiment 1 of the present invention.
  • Embodiment 4 of the present invention is identical to Embodiment 1 of the present invention in other constructional details.
  • the intermediate control portion 11 is disposed below the footsteps 2 on the backward passage side, so the influences of dust, rain, and the like can further be reduced. Even in the case where other components are disposed between the footsteps 2 on the onward passage side and the footsteps 2 on the backwardpassage side, the intermediate control portion 11 can be disposed at the intermediate inclined portion.
  • the intermediate control portion may be disposed below the footsteps on the backward passage side.
  • the intermediate control portion may be disposed as a plurality of divided components.
  • the inverter, the converter, the reactor, and the regenerative resistor may be constituted by different panels and disposed separately.
  • some of the components may be disposed between the footsteps 2 on the onward passage side and the footsteps on the backward passage side, and the remaining components may be disposed below the footsteps on the backward passage side.
  • the heat generating components disposed in the intermediate control portion should not be limited to the inverter, the converter, the reactor, and the regenerative resistor.
  • the inverter only one or some of the inverter, the converter, the reactor, and the regenerative resistor may be disposed in the intermediate control portion.
  • at least the inverter is preferably disposed in the intermediate control portion.
  • Components that do not generate heat in particular can also be disposed in the intermediate control portion together with the heat generating components.
  • the present invention is also applicable to a moving walkway.
  • Each of the intermediate control portions 11, 15a, and 15b illustrated in Embodiments 1 to 4 of the present invention has, for example, one of cases 21 to 24 shown in Figs. 7 to 10 , respectively. That is, the heat generating components such as the inverter and the like are accommodated within each of the cases 21 to 24.
  • the case 21 shown in Fig. 7 has an intake port 21a and an exhaust port 21b.
  • the intake port 21a is provided to a lower end surface of the case 21 and opens diagonally downward.
  • the exhaust port 21b is provided to an upper end portion of a bottom surface of the case 21 and opens downward.
  • the intake port 21a is arranged at a position lower than the exhaust port 21b when the case 21 is mounted onto the main frame 1.
  • the case 22 shown in Fig. 8 has an intake port 22a and an exhaust port 22b.
  • the intake port 22a is provided to a lower end portion of a bottom surface of the case 22 and opens diagonally downward.
  • the exhaust port 22b is provided to an upper end portion of the bottom surface of the case 22 and opens diagonally downward.
  • the intake port 22a is arranged at a position lower than the exhaust port 22b when the case 22 is mounted onto the main frame 1.
  • the case 23 shown in Fig. 9 has an intake port 23a and an exhaust port 23b.
  • the intake port 23a is provided to a lower end surface of the case 23 and opens diagonally downward.
  • the exhaust port 23b is provided to an upper end surface of the case 23 and opens diagonally upward.
  • the intake port 23a is arranged at a position lower than the exhaust port 23b when the case 23 is mounted onto the main frame 1.
  • a hood portion 23c for preventing foreign matters (water, dust, and the like) from entering the exhaust port 23b is provided above the exhaust port 23b.
  • the case 24 shown in Fig. 10 has an intake port 24a and an exhaust port 24b.
  • the intake port 24a is provided to a lower end portion of a bottom surface of the case 24 and opens diagonally downward.
  • the exhaust port 24b is provided to an upper end surface of the case 24 and opens diagonally upward.
  • the intake port 24a is arranged at a position lower than the exhaust port 24b when the case 24 is mounted onto the main frame 1.
  • a hood portion 24c for preventing foreign matters (water, dust, and the like) from entering the exhaust port 24b is provided above the exhaust port 24b.
  • the intake ports 21a to 24a are provided at positions lower than the exhaust ports 21b to 24b, respectively, so the air warmed within each of the cases 21 to 24 is swiftly discharged from a corresponding one of the exhaust ports 21b to 24b, and fresh air is hence swiftly taken in from a corresponding one of the intake ports 21a to 24a.
  • the heat generating components can be cooled efficiently.
  • the cases 23 and 24 are provided with the hood portions 23c and 24c, respectively, so the water and dust that have dropped from gaps among the footsteps 2 can be prevented from entering each of the cases 23 and 24 with a simple construction.
  • hood portions may be provided above the intake ports, respectively. Also, hood portions may be provided above both the intake port and the exhaust port, respectively. Further, a plurality of intake ports and a plurality of exhaust ports may be provided. Furthermore, each of the cases may be provided with a fan for forced cooling, fins for discharging heat, or the like.

Landscapes

  • Escalators And Moving Walkways (AREA)
EP06767667A 2006-06-30 2006-06-30 Système de transport de passagers Withdrawn EP2036848A4 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2006/313059 WO2008001454A1 (fr) 2006-06-30 2006-06-30 Système de transport de passagers

Publications (2)

Publication Number Publication Date
EP2036848A1 true EP2036848A1 (fr) 2009-03-18
EP2036848A4 EP2036848A4 (fr) 2013-03-20

Family

ID=38845229

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06767667A Withdrawn EP2036848A4 (fr) 2006-06-30 2006-06-30 Système de transport de passagers

Country Status (5)

Country Link
EP (1) EP2036848A4 (fr)
JP (1) JP5225677B2 (fr)
KR (1) KR100980157B1 (fr)
CN (1) CN101253118B (fr)
WO (1) WO2008001454A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009034345A1 (de) * 2009-07-23 2011-01-27 Kone Corp. Verfahren und Einrichtung zum Betreiben einer Personentransporteinrichtung
CN105480829A (zh) * 2014-10-06 2016-04-13 株式会社日立制作所 乘客输送装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016060547A (ja) * 2014-09-12 2016-04-25 東芝エレベータ株式会社 エスカレータ

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03147696A (ja) * 1989-11-02 1991-06-24 Hitachi Ltd 中間水平部付エスカレータ
GB2244464A (en) * 1990-05-30 1991-12-04 Hitachi Ltd A people mover apparatus
JP2002362872A (ja) * 2001-06-08 2002-12-18 Hitachi Building Systems Co Ltd エスカレーター装置
EP1468953A1 (fr) * 2002-01-22 2004-10-20 Mitsubishi Denki Kabushiki Kaisha Escalier mecanique a grande vitesse, a partie inclinee

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS485431Y1 (fr) * 1969-11-17 1973-02-10
JPS56124667U (fr) * 1980-02-26 1981-09-22
JPH0895471A (ja) * 1994-09-29 1996-04-12 Tec Corp 画像形成装置
JP2001302161A (ja) * 2000-04-13 2001-10-31 Hitachi Building Systems Co Ltd 乗客コンベアの制御装置
JP3625820B1 (ja) * 2003-08-20 2005-03-02 株式会社東芝 洗濯機

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03147696A (ja) * 1989-11-02 1991-06-24 Hitachi Ltd 中間水平部付エスカレータ
GB2244464A (en) * 1990-05-30 1991-12-04 Hitachi Ltd A people mover apparatus
JP2002362872A (ja) * 2001-06-08 2002-12-18 Hitachi Building Systems Co Ltd エスカレーター装置
EP1468953A1 (fr) * 2002-01-22 2004-10-20 Mitsubishi Denki Kabushiki Kaisha Escalier mecanique a grande vitesse, a partie inclinee

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2008001454A1 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009034345A1 (de) * 2009-07-23 2011-01-27 Kone Corp. Verfahren und Einrichtung zum Betreiben einer Personentransporteinrichtung
DE102009034345B4 (de) * 2009-07-23 2013-01-03 Kone Corp. Verfahren und Einrichtung zum Betreiben einer Personentransporteinrichtung
CN105480829A (zh) * 2014-10-06 2016-04-13 株式会社日立制作所 乘客输送装置

Also Published As

Publication number Publication date
EP2036848A4 (fr) 2013-03-20
JPWO2008001454A1 (ja) 2009-11-26
CN101253118A (zh) 2008-08-27
KR100980157B1 (ko) 2010-09-03
JP5225677B2 (ja) 2013-07-03
KR20080046641A (ko) 2008-05-27
WO2008001454A1 (fr) 2008-01-03
CN101253118B (zh) 2011-08-10

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