JP2015168552A - Passenger conveyor device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a passenger conveyor device in which a user can understand the risk when going up or going down the stairs.SOLUTION: A passenger conveyor device of one embodiment comprises: plural stairs 5; a motor 8 as a drive part; a sensor 15; and a control part 14. The plural stairs 5 are coupled in an endless state. The motor 8 can drive the stairs 5 at a rating speed and a speed slower than the rating speed. The sensor 15 detects a movement speed of a person who gets on the stair 5. The control part 14 controls the motor 8 so that the stairs 5 move at the slower speed which is slower than the rating speed, when a speed detected by the sensor 15 exceeds a preset threshold speed continuously for a predetermined time or longer than the predetermined time.

Description

  Embodiments of the present invention relate to a passenger conveyor device.

  Passenger conveyor devices such as escalators include a plurality of steps connected endlessly. A plurality of steps are moved by rotating a step chain spanned between the driving wheel and the driven wheel endlessly. Moreover, in a passenger conveyor apparatus, the moving speed of a step can be controlled by controlling the motor which drives a driving wheel.

JP 7-157264 A JP 2009-91051 A

  By the way, it is thought that the user who raises / lowers the step when riding on the passenger conveyor apparatus in operation may not understand the danger.

  This invention is made | formed in view of the above, Comprising: It aims at providing the passenger conveyor apparatus which can expect a user to understand the danger of performing step raising / lowering.

  The passenger conveyor device of the embodiment includes a plurality of steps, a drive unit, a sensor, and a control unit. The plurality of steps are connected endlessly. The drive unit can drive the step at a rated speed and a speed lower than the rated speed. The sensor detects a moving speed of a person who gets on the step and moves. The control unit controls the drive unit so that the step moves at a low speed lower than the rated speed when the speed detected by the sensor continuously exceeds a preset threshold speed for a predetermined time or more.

FIG. 1 is a longitudinal sectional view showing the overall configuration of an escalator which is a passenger conveyor device according to the present embodiment. FIG. 2 is a block diagram showing components related to processing of the passenger conveyor device according to the present embodiment. FIG. 3 is an explanatory diagram illustrating an operation example of the passenger conveyor device according to the present embodiment. FIG. 4 is an explanatory diagram illustrating an operation example of the passenger conveyor device according to the present embodiment.

  Below, the passenger conveyor apparatus which concerns on embodiment is demonstrated in detail based on drawing. In the following drawings, the same or corresponding parts are denoted by the same reference numerals, and the description thereof will not be repeated.

  In the present embodiment, an escalator will be described as an example of a passenger conveyor device that operates by rotating a plurality of steps connected endlessly. FIG. 1 is a longitudinal sectional view showing the overall configuration of an escalator which is a passenger conveyor device according to the present embodiment.

  As shown in FIG. 1, the escalator 100 includes a plurality of steps 5 that are connected endlessly between the driving wheel 3 and the driven wheel 4 inside the truss frame 2. The escalator 100 is configured such that a plurality of steps 5 are connected between the driving wheel 3 and the driven wheel 4 by the power supplied from the motor (primary motor) 8 as a driving unit to the driving wheel 3 via the speed reducer 6 and the driving chain 7. Configured to move around. In the present embodiment, the drive wheels 3 are arranged on the upper floor side, and the driven wheels 4 are arranged on the lower floor side. The motor 8 and the control unit 14 are provided in the upper machine room.

  A step chain 9 for moving the step 5 is spanned between the drive wheel 3 and the driven wheel 4 so as to be rotationally driven endlessly. A step 5 on which a user (hereinafter referred to as a passenger) of the escalator 100 is placed is connected to the step chain 9. The step 5 rotates with the driving of the step chain 9.

  When the escalator 100 is operated in the descending direction, the plurality of steps 5 are advanced from the truss frame 2 with the adjacent steps 5 facing each other in the advancing direction at the upper entrance (upper floor entrance 10). The The plurality of steps 5 are shifted in a stepped manner by enlarging the steps between the adjacent steps 5 in the upper transition curve.

  In addition, the plurality of steps 5 are lowered in a stepped manner at the intermediate inclined portion, and the steps between the adjacent steps 5 are reduced in the lower transition curve to be shifted horizontally. The plurality of steps 5 become horizontal again at the lower exit (lower floor entrance 11) and enter the truss frame 2.

  The plurality of steps 5 are inverted upward after entering the truss frame 2. The plurality of steps 5 are raised horizontally on the return path side, reversed again, and advanced from the truss frame 2 at the upper floor side entrance 10.

  In the escalator 100 that operates in the upward direction, the above operation is reversed. At the upper floor entrance 10 and the lower floor entrance 11, the step 5 advances from the truss frame 2 or enters the truss frame 2 with the tread on the upper surface on which passengers are placed horizontal.

  Further, the escalator 100 includes balustrades 12 on both sides in the traveling direction of the step 5. An annular handrail belt 13 is attached along the outer periphery of the balustrade 12. The escalator 100 is configured such that the handrail belt 13 of the balustrade 12 moves in the same direction as the step 5 in accordance with the movement of the step 5.

  Here, the left and right inner decks of the balustrade 12 are provided with sensors 15 for detecting passengers. The sensor 15 is provided in a linear portion through which a passenger passes, such as an intermediate inclined portion where the step 5 moves. The sensor 15 has a configuration in which, for example, a plurality of reflective sensors such as human sensors are arranged along the intermediate inclined portion.

  When there is a margin in the left and right width of the step 5, another passenger may move up and down beside the passenger who has stopped on the step 5. Depending on the area where the escalator 100 is installed, there are a case where the passenger goes up and down on the left side of the step 5 and a case where the passenger goes up and down on the right side of the step 5. If the sensors 15 are provided on the left and right inner decks of the balustrade 12 as in this embodiment, passengers moving up and down can be detected regardless of the area where the escalator 100 is installed.

  Here, the reflective sensor can detect that the passenger has entered the detection range and then has exited the detection range. One reflective sensor is point-like, but if the interval between a plurality of sensors is known, the moving speed of the passenger can be calculated from the output timing (output time interval) of the detection output signal from each sensor. .

  FIG. 2 is a block diagram showing components related to processing of the passenger conveyor device according to the present embodiment. As shown in FIG. 2, the passenger conveyor apparatus according to the present embodiment includes a control unit 14, a sensor 15, a detection unit 16, a motor 8, a step 5, an announcement unit 17, and a speaker 18. .

  The sensor 15 detects a passenger passing through the detection range, and outputs a detection output signal to the detection unit 16 via a cable (not shown).

  The detection unit 16 monitors the detection output signal of the sensor 15 in real time. The detection unit 16 can calculate the passing speed of the passenger based on the detection output signal of the sensor 15. The detection output of the detection unit 16 is input to the control unit 14 via a cable (not shown).

  The announcement unit 17 outputs an audio signal and inputs it to the speaker 18 when the speed of the passenger detected by the control unit 14 with the sensor 15 and the detection unit 16 exceeds a predetermined threshold. The sound signal output by the announcement unit 17 is a signal for outputting a sound for making an announcement that informs the passenger of the escalator 100 that the speed of the step 5 in the escalator 100 is reduced. That is, when the control unit 14 performs control so that the step 5 moves at a low speed lower than the rated speed, the control unit 14 controls the announcement unit 17 so as to announce that the speed is reduced.

  The speaker 18 converts the audio signal output from the announcement unit 17 into audio. The speaker 18 may be provided, for example, in a wall or ceiling near the balustrade 12.

  Such an operation of the escalator 100 is realized by controlling an inverter device (not shown) and the motor 8 by the control unit 14 installed in the truss frame 2. The control unit 14 is a computer having a CPU (Central Processing Unit), a RAM (Random Access Memory), a ROM (Read Only Memory), and the like. The function of the control unit 14 is to load the application program stored in the ROM into the RAM and execute it by the CPU, thereby operating various devices in the escalator 100 under the control of the CPU and data in the RAM and ROM. This is realized by reading and writing.

  Next, an operation example of the escalator 100 will be described.

  FIG. 3 is an explanatory diagram illustrating an operation example of the passenger conveyor device according to the present embodiment. This example demonstrates the case where a passenger conveyor apparatus drive | operates to a raise direction.

  When the passenger climbs the step 5 during the operation of the escalator 100 (step S101), the control unit 14 assumes that an abnormality has occurred, and the passenger has passed the detection range of the sensor 15 at a speed faster than the rated speed for a predetermined time or more. Whether or not (step S102). For example, the control unit 14 determines whether or not the passenger has passed through the detection range of the sensor 15 at a speed exceeding 1.5 to 2 times the rated speed for 30 seconds.

  When the control unit 14 determines that the passenger has passed the detection range of the sensor 15 at a speed exceeding the rated speed for a predetermined time or more (Yes in step S102), the announcement unit 17 makes an announcement for alerting the passenger. Control is performed as described above (step S103). For example, the control unit 14 controls the announcement unit 17 so that an announcement “The escalator decelerates because the escalator senses danger” is played. That is, the control unit 14 controls the announcement unit 17 so as to make an announcement for notifying that the speed decreases when the motor 8 is controlled so that the step 5 moves at a low speed lower than the rated speed. To do.

  Thereafter, the control unit 14 sets the operation of the escalator 100 to the low speed operation mode (step S104). That is, the control unit 14 controls the escalator 100 to operate at a speed lower than the rated speed (for example, a speed that is 50% of the rated speed). That is, when the speed detected by the sensor 15 continuously exceeds a preset threshold speed for a predetermined time or longer, the control unit 14 causes the motor 8 to move the step 5 at a lower speed than the rated speed. To control. As a result, when the passenger ascends the step 5, the passenger recognizes that the step 5 moves at a low speed lower than the rated speed.

  Furthermore, the control unit 14 determines whether or not the passenger is passing through the detection range of the sensor 15 at a speed faster than the rated speed (step S105). For example, the control unit 14 determines whether or not the passenger has passed the detection range of the sensor 15 at a speed exceeding 1.5 to 2 times the rated speed for a predetermined time (for example, 30 seconds) or more.

  The control unit 14 does not pass the detection range of the sensor 15 at a speed exceeding 1.5 to 2 times the rated speed for a predetermined time (for example, 30 seconds) (1.5 to 2 times the rated speed). If it is determined that it has passed at a speed less than twice (No in step S105), it returns to the normal mode and operates at the rated speed (step S107). That is, after the control unit 14 controls the motor 8 so that the step 5 moves at a low speed, if the speed detected by the sensor 15 is less than the threshold speed for a predetermined time, the step 5 is at the rated speed. The motor 8 is controlled to move.

  On the other hand, when the control unit 14 determines in step S105 that the passenger has passed the detection range of the sensor 15 at a speed exceeding 1.5 to 2 times the rated speed for a predetermined time (for example, 30 seconds) or more (step S105). Yes), the escalator 100 is controlled so as to continuously operate in the low speed operation mode (step S106).

  Note that if the control unit 14 determines in step S102 that the passenger has not passed through the detection range of the sensor 15 at a speed faster than the rated speed for a predetermined time (for example, 30 seconds) or longer (No in step S102), the normal mode Then, the motor is operated at the rated speed (step S107).

  Further, in step S105, the control unit 14 may determine whether the passenger is passing through the detection range of the sensor 15 at a speed faster than the low speed set in step S104 instead of the rated speed. . By doing so, when there is still a passenger climbing the step 5 despite the speed being lowered (Yes in Step S105), the control unit 14 can be controlled to continue the low speed mode more. (Step S106).

  By performing the above operation, the passenger becomes low speed when climbing the step 5 in the escalator 100 that is driving in the upward direction, and returns to the original speed if the step 5 is not lifted. Understand the dangers.

  FIG. 4 is an explanatory diagram illustrating another operation example of the passenger conveyor device according to the present embodiment. In this example, a case where the passenger conveyor device operates in the downward direction will be described.

  When the passenger gets off the step 5 during operation of the escalator 100 (step S201), the control unit 14 assumes that an abnormality has occurred and the passenger has passed the detection range of the sensor 15 at a speed faster than the rated speed for a predetermined time or more. It is determined whether or not (step S202). For example, the control unit 14 determines whether or not the passenger has passed through the detection range of the sensor 15 at a speed exceeding 1.5 to 2 times the rated speed for 15 seconds.

  When the control unit 14 determines that the passenger has passed the detection range of the sensor 15 at a speed exceeding the rated speed for a predetermined time or longer (Yes in step S202), the announcement unit 17 makes an announcement for alerting the passenger. Control is performed as follows (step S203). For example, the control unit 14 controls the announcement unit 17 so that an announcement “The escalator decelerates because the escalator senses danger” is played. That is, the control unit 14 controls the announcement unit 17 so as to make an announcement for notifying that the speed decreases when the motor 8 is controlled so that the step 5 moves at a low speed lower than the rated speed. To do.

  Thereafter, the control unit 14 sets the operation of the escalator 100 to the low speed operation mode (step S204). That is, the control unit 14 controls the escalator 100 to operate at a speed lower than the rated speed (for example, a speed that is 75% of the rated speed). That is, when the speed detected by the sensor 15 continuously exceeds a preset threshold speed for a predetermined time or longer, the control unit 14 causes the motor 8 to move the step 5 at a lower speed than the rated speed. To control. Thus, when the passenger gets off the step 5, the step 5 recognizes that the step 5 moves at a lower speed than the rated speed.

  Furthermore, the control unit 14 determines whether or not the passenger is passing through the detection range of the sensor 15 at a speed faster than the rated speed (step S205). For example, the control unit 14 determines whether or not the passenger has passed the detection range of the sensor 15 at a speed exceeding 1.5 to 2 times the rated speed for a predetermined time (for example, 15 seconds) or more.

  The control unit 14 does not pass the detection range of the sensor 15 at a speed exceeding 1.5 to 2 times the rated speed for a predetermined time (for example, 15 seconds) (1.5 to 2 times the rated speed). If it is determined that it has passed at a speed equal to or less than twice (No in step S205), it returns to the normal mode and operates at the rated speed (step S207). That is, after the control unit 14 controls the motor 8 so that the step 5 moves at a low speed, if the speed detected by the sensor 15 is less than the threshold speed for a predetermined time, the step 5 is at the rated speed. The motor 8 is controlled to move.

  On the other hand, when the control unit 14 determines in step S205 that the passenger has passed the detection range of the sensor 15 at a speed exceeding 1.5 to 2 times the rated speed for a predetermined time (for example, 15 seconds) or more (step S205). Yes), the escalator 100 is controlled so as to continue to operate in the low speed operation mode (step S206).

  Note that if the control unit 14 determines in step S202 that the passenger has not passed through the detection range of the sensor 15 at a speed faster than the rated speed for a predetermined time (for example, 15 seconds) or longer (No in step S202), the normal mode Then, the operation is performed at the rated speed (step S207).

  In addition, in step S205, the control unit 14 may determine whether or not the passenger is passing through the detection range of the sensor 15 at a speed faster than the low speed set in step S204, not the rated speed. . In this way, when there is a passenger who is still walking on the step 5 even though the speed is reduced (Yes in step S205), the control unit 14 controls to continue the low speed mode more. (Step S206).

  By performing the above operation, the passenger becomes low speed when getting off the step 5 in the escalator 100 that is driving in the downward direction, and returns to the original speed when not getting off the step 5, so that the passenger gets off the step 5 Understand the dangers.

  As described above, according to the passenger conveyor device of the present embodiment, the speed of the escalator 100 is reduced when the passenger speed exceeds a predetermined threshold value. Can be expected to understand.

  Further, in the present embodiment, when the moving direction of the step 5 is the downward direction (downward direction), the low speed set by controlling the motor 8 and the moving direction of the step 5 is the upward direction (upward direction). A difference is provided between the low speed set by controlling the motor 8. That is, when the moving direction of the step 5 is the upward direction (upward direction) than the low speed set by controlling the motor 8 when the moving direction of the step 5 is the downward direction (downward direction), the motor 8 is operated. The low speed controlled and set is set to a low speed. If the moving direction of the step 5 is the downward direction (downward direction) and the step 5 is to be quickly lowered, reducing the speed may cause the passenger to lose balance. On the other hand, when the moving direction of the step 5 is the upward direction (ascending direction) and the passenger tries to climb the step 5 quickly, the passenger is less likely to lose balance, so the moving direction of the step 5 is lower than the downward direction. However, it is considered that the speed may be greatly reduced (operated at a lower speed). In any case, if the passenger goes up and down the step, the passenger can recognize that he / she is driving at a lower speed and can expect the passenger to understand the danger of going up and down the step. .

  Furthermore, in this embodiment, when controlling the motor 8 so that the step 5 moves at a low speed lower than the rated speed, an announcement is made to notify that the speed is reduced. By so doing, it is possible to notify the passenger in advance that the step 5 will decelerate, and safe driving can be realized.

  In this embodiment, when the escalator 100 is operated in the upward direction, the predetermined time exceeding the rated speed is set to 30 seconds, and when the escalator 100 is operated in the downward direction, the predetermined time is set to 15 seconds. Yes. That is, about the said predetermined time, the case where it drives in a descent | fall direction is set to short time rather than the case where it drives | operates in a raise direction. This is because it is considered necessary to secure more safety when descending the step 5 than when climbing the step 5. But you may set both to the same time (for example, 30 seconds). In addition, an appropriate time may be set as appropriate for the predetermined time.

  Moreover, in this embodiment, the threshold of the passenger's moving speed is set to a speed exceeding 1.5 to 2 times the rated speed. An appropriate speed may be set as appropriate for the threshold of the passenger moving speed.

  Although several embodiments of the present invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. These embodiments and their modifications are included in the scope and gist of the invention, and are also included in the invention described in the claims and the equivalents thereof.

3 driving wheel, 4 driven wheel, 5 step, 6 speed reducer, 7 drive chain, 8 motor, 9 step chain, 10 upper floor entrance / exit, 11 lower floor entrance / exit, 12 balustrade, 13 handrail belt, 14 control unit , 15 sensors, 16 detection units, 17 announcement units, 18 speakers, 100 escalators

The passenger conveyor device of the embodiment includes a plurality of steps, a drive unit, a sensor, and a control unit. The plurality of steps are connected endlessly. The drive unit can drive the step at a rated speed and a speed lower than the rated speed. The sensor detects a moving speed of a person who gets on the step and moves. The control unit controls the drive unit so that the step moves at a low speed lower than the rated speed when the speed detected by the sensor continuously exceeds a preset threshold speed for a predetermined time or more. The control unit controls a lower speed set by controlling the drive unit when the step moving direction is an up direction than a low speed set by controlling the drive unit when the step moving direction is a down direction. Set to a lower speed.

Claims (4)

A plurality of steps connected endlessly;
A drive unit capable of driving the step at a rated speed or a speed lower than the rated speed;
A sensor for detecting a moving speed of a person who gets on the step and moves;
A control unit that controls the drive unit so that the step moves at a low speed lower than the rated speed when the speed detected by the sensor continuously exceeds a preset threshold speed for a predetermined time or more; ,
Passenger conveyor device equipped with. In the passenger conveyor device according to claim 1,
The controller is
After the drive unit is controlled so that the step moves at the low speed, if the speed detected by the sensor is less than the threshold speed, the drive is performed so that the step moves at the rated speed. Passenger conveyor device that controls the section. In the passenger conveyor device according to claim 1 or 2,
The controller is
The low speed set by controlling the drive unit when the moving direction of the step is the up direction is lower than the low speed set by controlling the drive unit when the moving direction of the step is the down direction. Passenger conveyor device that sets the speed to a low speed. In the passenger conveyor apparatus as described in any one of Claims 1-3,
Passenger conveyor apparatus further comprising an announcement unit for making an announcement for notifying that the speed decreases when the control unit controls the drive unit so that the step moves at a lower speed than the rated speed. .

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