JP2016159796A - Rope type platform safety fence - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a rope type platform safety fence which monitors an approach situation of a person to a lifting type rope, adjusts a lifting speed (an opening/closing speed) of the rope to a proper value in accordance with a motion and existing position of the person, reduces harm to the person such as a passenger, and ensures safety.SOLUTION: A rope type platform safety fence monitors a motion of a passenger with human detection sensors 27 and adjusts a lifting speed of at least one lifting type rope 13 to a proper value in accordance with the motion and existing places (E1, E2, E3) of the passenger. The human detection sensors 27 are installed at columns 11A-11C. This can prevent the passenger or the like from being harmed by the lifting type rope.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a rope-type home safety fence, and more particularly to a rope-type home safety fence that monitors a situation such as the approach of a person and appropriately decelerates the elevation speed (opening / closing speed) of the lift-type rope according to the approach location. Is.

  In recent years, a rope-type home safety fence has been proposed (Cited document 1). A rope-type home safety fence is a kind of home door using a lifting rope. A plurality of ropes are stretched horizontally along the edge of the railway line of the station platform, and the rope is moved up and down according to the movement of the train that enters, stops, or departs from the railway line. Prevent the above passengers from falling and make it safer. In a home safety fence with a lifting rope, the rope that serves as a protective safety fence moves up and down appropriately according to the arrival or departure of the train, and the home safety fence is opened when the rope rises to the highest position. When the rope descends to the lowest position, the home safety fence is closed. In conventional rope-type home safety fences, the lifting speed (opening / closing speed) of the rope is normally set to an appropriate value in advance, and when a passenger approaches the vicinity of the lifting rope, etc., the lifting operation is performed. It stops and prevents the rope etc. from contacting or colliding with the passenger. In addition, in the rope type home safety fence, when the passenger leans against the rope stretched in the horizontal direction, the rope is given the necessary constant tension so as not to jump out to the track side. .

  In general, in the opening and closing operation of an automatic door, the following Patent Documents 2 to 4 can be cited regarding the control of the door opening and closing speed or the opening and closing timing in a human approaching operation or the like.

JP 2014-1111425 A Japanese Patent No. 4193317 JP-A-7-269227 JP 2002-30859 A

  With conventional rope-type home safety fences, when the rope moves up and down at the normal lifting speed, the lifting speed is reduced to an appropriate value that does not harm the passenger. There was no configuration to adjust.

  In view of the above problems, the object of the present invention is to monitor the movement status of a person approaching a movable part such as a lifting rope suspended as a safety fence, and to raise and lower the rope according to the person's movement and position. The purpose of the present invention is to provide a rope-type home safety fence in which (opening / closing speed) is adjusted to an appropriate value to reduce harm to passengers and the like due to contact and to ensure safety.

  The rope-type home safety fence according to the present invention is configured as follows in order to achieve the above object.

  The first rope-type home safety fence (corresponding to claim 1) monitors the movement of the person with a detection sensor, and makes the lifting speed of at least one lifting rope appropriate for the movement and location of the person. It is configured by adjusting to the value.

  In the rope-type home safety fence described above, a detection sensor that detects people such as passengers is installed on the pillars, etc., monitoring the movement status of passengers who may approach the lifting rope, and Since the lifting / lowering speed of the rope that moves up and down is adjusted according to the movement and location, it is possible to prevent the passengers and the like from being harmed by the rope that moves up and down.

  In the second rope type home safety fence (corresponding to claim 2), preferably, the lifting speed adjusting device for adjusting the lifting speed to an appropriate value inputs a detection signal output from the detection sensor. The control means for determining the human presence area and outputting the lifting speed command signal according to the presence area, and adjusting the lifting speed of the lifting rope to an appropriate value based on the lifting speed command signal output from the control means And an elevating drive mechanism.

  In the above configuration, the third rope-type home safety fence (corresponding to claim 3) preferably divides the approach state of the person to the rope into a plurality of stages, and the lifting speed is increased from the normal speed as the rope approaches. It is characterized by decelerating automatically. According to this configuration, the lifting / lowering speed can be reduced in a stepwise manner in accordance with the approaching state of the passenger, and both the efficiency of raising and lowering the rope and ensuring the safety of the passenger can be satisfied.

  The fourth rope type home safety fence (corresponding to claim 4) is characterized in that, in the above configuration, preferably, the lifting speed is adjusted based on the movement pattern of the approaching action of the person. According to this configuration, by adjusting the lifting / lowering speed of the rope based on the detected person's movement between the existing areas, it is possible to predict the movement of the person and adjust the lifting / lowering speed of the rope.

  In the fifth rope type home safety fence (corresponding to claim 5), preferably, the detection sensor is a three-dimensional distance image sensor. According to the three-dimensional distance image sensor, it is possible to quickly detect a human movement with higher accuracy.

  According to the present invention, for a lifting rope installed as a platform safety fence in a station platform, the movement situation related to the approach of a person to the rising and falling rope is monitored, and the lifting speed of the rope (in accordance with the person's movement and location) Since the opening / closing speed is adjusted so as to be an appropriate value, it is possible to reduce harm to passengers and the like due to contact with or collision with the rope, and to keep the safety higher.

BRIEF DESCRIPTION OF THE DRAWINGS The front view of the whole structure of the rope type home safety fence which concerns on this invention is shown, (A) is a front view which shows a rope fall state (closed state), (B) shows a rope raise state (open state). It is a front view. The side view of a rope type home safety fence is shown, (A) is a side view which shows a fall state (closed state), and (B) is a side view which shows a raise state (open state). It is a figure explaining the principal part structure regarding the raising / lowering drive apparatus of the rope of a rope type home safety fence. It is a figure which shows the structure of the principal part regarding control of the rope raising / lowering speed of a rope type home safety fence. It is a top view for demonstrating the control principle of the rope raising / lowering speed of a rope type home safety fence. It is a flowchart which shows the control content of the rope raising / lowering speed in a rope type home safety fence.

  DESCRIPTION OF EMBODIMENTS Preferred embodiments (examples) of the present invention will be described below with reference to the accompanying drawings.

  With reference to FIGS. 1-3, the whole structure of a rope type home safety fence is demonstrated notionally.

  In each of FIGS. 1 and 2, the state (A) shows a closed state where the rope descends and functions as a protective safety fence, and the state (B) shows the open state where the rope rises. When the rope descends and is in the closed state, when the train enters or stops, when the train departs, there is no train on the track (track), and the closed state causes the passenger to fall on the track. Or contact with the train. When the rope is raised and in the open state, the train is completely stopped at the station platform and passengers get on and off through the open vehicle door.

  In FIG. 1, the one part area | region of a rope type home safety fence is shown. The section is a section in which three columns (or posts) are arranged as an example. The distance between the columns is, for example, a distance according to the length of one vehicle of the train, but in the illustrated example of FIG. Is shown. The left part of the rope is also cut and omitted.

  In FIG. 1, as an example of a basic configuration, a rope-type home safety fence is composed of three columns (or posts). FIG. 1 shows a rope-type home safety fence viewed from the platform side toward the track (track) side. The rope-type home safety fence is a state in which a plurality of support columns (in the illustrated example, for example, three support columns 11A, 11B, and 11C) are erected at a predetermined interval along the entire edge of the station platform 12 on the track side. Provided. The number of columns is determined according to the length of the station platform, the length of the train, the length of one vehicle, and the like. In FIG. 1, a support column 11A located at the right end and two columns 11B and 11C continuing toward the left side of the support column 11A are shown. A plurality of support columns are arranged side by side on the left side of the leftmost support column 11C shown in FIG. 1, but the illustration in FIG. 1 is omitted. Of the three columns 11A, 11B, and 11C, 11A is a column positioned at the right end (hereinafter referred to as “right column”), and 11B and 11C are columns installed between columns at both ends (hereinafter “middle”). It is written as “post”. As described above, a required number of intermediate struts (for example, 11B and 11C) are provided according to the length of the station platform.

  A plurality of ropes 13 are bridged between the right end strut 11A and the left end strut (not shown) based on the support of the rope by the rope support structure of the plurality of intermediate struts 11B and 11C. As shown in FIG. 2, the plurality of ropes 13 includes a home side rope unit 13 </ b> A and a line side rope unit 13 </ b> B as an example. The structure regarding the rope 13 is not limited to this. As shown in FIG. 2, the home side rope unit 13 </ b> A and the track side rope unit 13 </ b> B are arranged with their positions shifted back and forth with respect to the track. Each of the home side rope unit 13A and the track side rope unit 13B has a required number of plural ropes 13 spanned, for example, horizontally and at equal intervals. The number of ropes 13 in each of the home side rope unit 13A and the line side rope unit 13B is arbitrary, and for example, the number is preferably 14, but in this illustrated example, for the sake of convenience of explanation, five examples will be described. .

  FIG. 2 is a side view depicting the left side surface of the right end column 11A. In FIG. 2, the platform side rope unit 13 </ b> A is provided so as to be lifted and lowered at a position on the station platform 12 side, and the track side rope unit 13 </ b> B is provided so as to be lifted and lowered at a position on the track region 14 side. Each of the home side rope unit 13A and the track side rope unit 13B is individually provided so as to move up and down through a slit 15 formed in the vertical direction on each of the right end strut 11A and the intermediate struts 11B and 11C.

  In this rope-type home safety fence, as shown in FIG. 3, a lifting drive device 16 and a tension applying device 17 are individually provided for each of the home side rope unit 13A and the track side rope unit 13B. . In the configuration of this embodiment, as will be described below, for example, the elevating drive device 16 is provided in the intermediate column 11B, and the tension applying device 17 is provided in the right end column 11A. The installation location of the raising / lowering drive device 16 which raises / lowers the rope 13 and the number of installation are arbitrary.

  The right end support 11 </ b> A includes the tension applying device 17 that pulls one end of each rope 13 and applies tension to the one end of the rope 13. The moving mechanism part 18 which enables a raising / lowering operation | movement smoothly is provided. The tension applying device 17 has a built-in mechanism for pulling the end of each rope 13 for appropriately adjusting the tension applied to the rope 13. The moving mechanism unit 18 includes an upper pulley 19, a lower pulley 20, and a belt 21 spanned between them. The tension applying device 17 is fixed to the belt 21 of the moving mechanism unit 18.

  The intermediate support 11 </ b> B includes a rope support lifting member 22 that supports each of the five ropes 13. The rope support raising / lowering member 22 is attached based on the structure movable in the up-down direction. That is, the raising / lowering drive device 16 is provided inside the intermediate column 11B. The elevating drive device 16 includes a drive motor 23 and a power transmission mechanism 24 that elevates and lowers the rope column elevating member 22 based on the rotational force of the drive motor 23. The power transmission mechanism 24 is constituted by, for example, a belt mechanism or a chain mechanism. When the drive motor 23 rotates appropriately based on a control signal provided from the control device 25, the rope support elevating member 22 moves up and down in the vertical direction D1 and moves the rope 13 up and down. The lifting / lowering speed of the rope 13, that is, the opening / closing speed of the rope-type home safety fence, as described later, is based on conditions such as the movement of the person and the location (passenger movement position, approaching state, etc.) It is controlled according to. The installation direction of the drive motor 23, the installation position of the power transmission mechanism 24, and the like are arbitrary.

  As an example, a height position detector 26 that detects the height position of the end of the rope 13 is provided inside the right end support 11 </ b> A. Specifically, for example, an optical position detector, a movement distance measurement counter, a rotary encoder, or the like is used as the height position detector 26. The position signal output from the height position detector 26 inside the right end support 11 </ b> A is input to the control device 25. In the control device 25, when controlling the lifting operation of the rope support lifting member 22 that moves up and down in the height direction in the intermediate strut 11B, the height position of the rope 13 in the intermediate strut 11B and the end of the rope 13 in the right end strut 11A The height position of the rope support elevating member 22 is controlled so that the height position of the portion matches.

  When the rope-type home safety fence according to the present embodiment is in the closed state (the state shown in FIGS. 1 and 2A), both the home-side rope unit 13A and the track-side rope unit 13B are lowered. Then, for example, the track side rope unit 13B is lowered to the lowest position, and the home side rope unit 13A is lowered intermediately. In this state, the platform-side rope unit 13A and the track-side rope unit 13B function as a protective fence, and maintain the safety of passengers in the station platform 12. When the rope-type home safety fence is in the open state (the state shown in FIGS. 1 and 2B), both the home-side rope unit 13A and the track-side rope unit 13B are lifted and moved to the highest position. As a result, the platform edge along the track area 14 of the station platform 12 is opened, and the passenger can get on and off the train.

  In addition, each said rope 13 is a rope which has required intensity | strength and has flexibility normally. However, in addition, it may be a wire rope or a long, elongated band similar to a rope. As a superordinate concept, it is a long member that prohibits, regulates, or restrains human behavior.

  In the rope-type home safety fence, as shown in FIGS. 1 to 3, at least one person detection sensor 27 is further provided. The person detection sensor 27 has a function of detecting the movement and location of a passenger or the like existing in the vicinity of the rope 13 in the station platform 12. The human detection sensor 27 is preferably attached to an appropriate height position on the side surface on the home side of the right end column 11A and the intermediate columns 11B and 11C. In order to be able to detect the movement and location of a passenger or the like in the vicinity of the rope 13, it is preferably attached at a relatively high position. In FIG. 3, the illustration of the human detection sensor 27 attached to the right end support 11 </ b> A and the intermediate support 11 </ b> B is omitted for convenience of explanation. As the human detection sensor 27, a three-dimensional distance image sensor is most preferably used. In addition, a human sensor configured using infrared rays, ultrasonic waves, visible light, or the like can also be used. It should be noted that the installation position of the human detection sensor 27 is not limited to the support column, and can be installed, for example, on the floor surface of the home on the condition that the movement of the passenger or the like and the presence place can be detected. The human detection sensor 27 outputs a signal relating to the movement of the passenger and the location of the passenger, particularly when the passenger approaches the rope 13 of the rope type home safety fence. As a result, it is possible to take out information relating to the movement and location of passengers. In FIGS. 2A and 2B, as an example, three regions, that is, existing locations (detection areas E1, E2, and E3) are drawn by broken lines according to the distance from the edge of the station platform 12 on the track side. It is. The human detection signal output from the human detection sensor 27 is input to the control device 25.

  The system configuration for monitoring the movement status of passengers and the like based on the human detection sensor 27 is preferably installed particularly in a place where there is a high possibility of rushing into a train. Further, the human detection sensor 27 may generally be a “detection sensor” and is not limited to “human detection”.

  Next, with reference to FIGS. 4-6, adjustment control of the rope raising / lowering speed of the said rope type home safety fence is demonstrated.

  According to this adjustment control, the human detection sensor 27 monitors the movement state of a person (passenger or the like), and the lifting speed of the rope 13, that is, the lifting speed of each of the home side rope unit 13A and the track side rope unit 13B, It is adjusted to be an appropriate value according to the movement and location of

  FIG. 4 is a diagram showing a configuration of a main part relating to control of the rope lifting speed of the rope-type home safety fence, that is, a lifting speed adjusting device. As an example, the main part structure of the raising / lowering speed adjustment apparatus which controls the rotational speed of the drive motor 23 of the raising / lowering drive apparatus 16 which raises / lowers the home side rope unit 13A is shown. A similar configuration is also provided for the line side rope unit 13B.

  In the lifting / lowering speed adjusting device, the rotational speed of the driving motor 23 of the lifting / lowering driving device 16 that lifts and lowers the home side rope unit 13A is adjusted to an appropriate value according to conditions. The rotation speed adjustment by the elevating speed adjusting device is executed based on the control function of the control device 25. The control device 25 inputs a monitoring signal of human movement output from at least two human detection sensors 27, and the home side rope unit according to the information on the movement of the passenger such as a passenger and the location of the passenger obtained from the signals. An appropriate value of the lifting / lowering speed of 13A is determined, and the rotational speed of the drive motor 23 is appropriately controlled based on a control signal related to the appropriate value.

  In the plan view shown in FIG. 5, as an example, in the vicinity area on the station platform 12 corresponding to the section between the intermediate struts 11B and 11C, the detection signals of the human detection sensors 27 provided in the intermediate struts 11B and 11C Based on this, the detection areas E1, E2, E3 described above are set for each person detection sensor 17. The detection areas E1, E2, and E3 are set to approach the home edge of the station platform 12 as the detection area E1 shifts to the detection area E3. The distance from the home edge can be arbitrarily set according to the situation. The closer the passenger is to the detection area E3, the closer to the platform edge of the station platform 12, the higher the risk.

  The detection areas along the edge of the station platform by the individual detection sensors 27 provided on the intermediate struts 11B and 11C also have overlapping portions. However, with respect to human detection in the section between the intermediate struts 11B and 11C, as shown in FIG. 5, human detection is performed by the human detection sensor 27 of the intermediate strut 11B with the section approximately at the middle portion 28 as a boundary. The signal processing is performed so that the left side region is detected by the human detection sensor 27 of the intermediate column 11C. For this reason, with regard to the section between the intermediate struts 11B and 11C, the human detection in the detection areas E1, E2, and E3 is monitored from each human detection sensor 27 for the human detection in each of the left and right regions of the intermediate portion 28, It is possible to obtain information on the location of the person, that is, information on which detection areas E1, E2, and E3 a person is present. Furthermore, as a result, it is possible to obtain information on the movement of a person by looking at the location in the light of the passage of time. Thus, in the control device 25, when a person approaches the rope 13 in the section between the intermediate struts 11 </ b> B and 11 </ b> C, based on the detection signals provided from the two person detection sensors 27, Movement information can be obtained. And the control apparatus 25 controls the raising / lowering speed of the rope 13 according to the control flow shown by FIG. 6 so that it may become an appropriate speed according to these based on the information of a person's presence place or a person's movement.

  The control flow shown in FIG. 6 will be described. The control device 25 first takes in a detection signal output from the human detection sensor 27, and confirms a detection state by the sensor based on the detection signal (step S11). The sensor detection state to be confirmed is a movement state of a person monitored by the human detection sensor 27. In the case of this example, it is a movement situation of a person in a section between the intermediate struts 11B and 11C.

  In the description of this embodiment, it is assumed that the section between the intermediate struts 11B and 11C corresponds to the position of the vehicle door when the train enters the station platform 12 and stops. Until the train enters and stops at the station platform 12, both the home side rope unit 13A and the track side rope unit 13B are lowered, the home safety fence is closed, and functions as a home fence. Thereafter, when both the home side rope unit 13A and the track side rope unit 13B are lifted to open the home safety fence and further open the vehicle door, the passenger can get on and off the train. When this boarding / alighting is completed, the vehicle door is closed, and the home side rope unit 13A and the track side rope unit 13B are both lowered to close the home safety fence. At this time, there may be a situation where passenger medicine rushes in. The human detection sensor 27 monitors the state of the passenger's rush-in boarding particularly when the home safety fence is about to close, that is, when the rope 13 is lowered. The descent of the rope 13 means the descent of the home side rope unit 13A and the track side rope unit 13B.

  Assuming that the rope 13 is descending at a normally set speed V0 [m / sec], after step S11, it is first determined whether or not a passenger has been detected in the detection area E1. (Judgment step S12). If YES in determination step S12 (if a passenger is present in detection area E1), the descending speed of rope 13 is changed from speed V0 to speed V1 [m / sec] (step S21). The speed V1 is a speed having a value smaller than the speed V0. If NO in determination step S12 (if no passenger is present in detection area E1), it is determined in next determination step S13 whether or not a passenger has been detected in detection area E2.

  If YES in the determination step S13 (when there is a passenger in the detection area E2), it is first determined whether or not it is within T [seconds] after detecting the presence of the passenger in the detection area E1 (determination step S15). ). If the determination in step S15 is NO, the urgency condition is low, so the descending speed of the rope 13 is changed from the speed V1 (or V0) to the speed V2 [m / sec] (step S23). The speed V2 is a speed having a value smaller than the speed V1. If YES in determination step S15, the urgency condition is high (the passenger is approaching the rope 13 immediately), so the descending speed of the rope 13 is changed from the speed V1 to the speed V3 [m / sec]. (Step S22). The speed V3 is a speed having a value smaller than the speed V2.

  If NO in determination step S13 (if no passenger is present in detection area E2), it is determined in next determination step S14 whether or not a passenger has been detected in detection area E3. If the determination in step S14 is YES, the passenger is in a region very close to the rope 13, so the descending speed of the rope 13 is changed to the speed V3 (step S24). If NO in the determination step S14, the speed is changed to the normally set speed V0 of the rope 13 (step S25). Note that the contents of the processing of “change to speed V0” in step S25 include a case where the descending speed of the rope 13 is maintained at the normally set speed V0.

  After each process of steps S21 to S25, the process proceeds to the first step S11 and the above-described process is repeated.

  The descending speeds V0, V1, V2, and V3 of the rope 13 are set stepwise under the magnitude relationship of V0> V1> V2> V3, and the descending speed of the rope 13 increases from V0 to V3. Slow down and slow down. The normally set lowering speed V0 is set on condition that the opening / closing operation of the rope-type home safety fence is typically performed in 3.5 seconds.

  The descending speed of the rope 13 is normally set to V0, and when it is detected that a passenger is present in the detection areas E1, E2, and E3, they are changed to V1, V2, and V3, respectively. The rope lowering speed is adjusted to an appropriate value in consideration of safety so that the passenger moving so as to approach the descending rope 13 approaches the rope, the lowering speed of the rope 13 becomes slower.

  When the passenger moves from E1 to E3 in the detection area, the state of the movement (degree of change in movement such as the moving direction) is monitored, and when the passenger moves fast, the descending speed of the rope 13 is determined from the speed V1 or the like. It is rapidly decelerated to the speed V3.

  As described above, the descending rope 13 can hit the passenger and give an impact to prevent injury, and the safety can be kept high.

  Further, depending on the position of the descending rope 13, for example, when a passenger is detected in any of the detection areas E1, E2, E3 when the rope 13 is at a height of 150 [mm] or less. The descent speed of the rope 13 can be kept at V0 without being recognized as a person.

  The slowest descent speed V3 is preferably set to a speed at which the kinetic energy during operation is 9.5 [J] or less.

  In the description using FIG. 5 and FIG. 6, the description has been made on the assumption that the rope 13 descends. However, the rope speed can be adjusted similarly by the rope 13 ascending operation. In such a case, for example, when the rope-type home safety fence is about to open after the train stops at the station platform 13, passengers (children, elderly people, disabled people, etc.) of the station platform 12 are careless. A case of approaching the rope 13 is assumed. This is because children or the like may come into contact with the rising rope 13 and get tangled. Thereby, it is possible to prevent the passenger from being injured by the rising rope 13 and to keep safety.

  The configurations, shapes, sizes, and arrangement relationships described in the above embodiments are merely schematically shown to the extent that the present invention can be understood and implemented. Therefore, the present invention is not limited to the described embodiments, and can be variously modified without departing from the scope of the technical idea shown in the claims.

  The rope-type home safety fence according to the present invention ensures the safety of passengers with respect to a train entering or leaving a station platform using a rising and lowering rope, and monitoring the movement of the passengers for the lifting speed of the rope. It is used to ensure the safety of passengers by setting it appropriately according to the location.

11A strut (right end strut)
11B, 11C Strut (intermediate strut)
DESCRIPTION OF SYMBOLS 12 Station platform 13 Rope 13A Home side rope unit 13B Track side rope unit 14 Track area 15 Slit 16 Lifting drive device 17 Tension applying device 18 Movement mechanism part 22 Rope support lifting member 23 Drive motor 24 Power transmission mechanism 25 Control device 26 Height Position detector 27 Human detection sensor 28 Middle part E1, E2, E3 Detection area

Claims (5)

  A rope-type home safety fence that monitors the movement of a person with a detection sensor and adjusts the lifting speed of at least one lifting rope to an appropriate value according to the movement and location of the person. .   The lifting / lowering speed adjusting device that adjusts the lifting / lowering speed to an appropriate value receives a detection signal output from the detection sensor, determines a person's presence area, and outputs a lifting / lowering speed command signal according to the presence area. And a lifting drive mechanism for adjusting a lifting speed of the lifting rope to an appropriate value based on the lifting speed command signal output from the control means. fence.   3. The rope-type home according to claim 1, wherein the approaching state of the person to the rope is divided into a plurality of stages, and the lifting speed is gradually reduced from the normal speed as the rope approaches the rope. Safety fence.   The rope-type home safety fence according to claim 1 or 2, wherein the lifting speed is adjusted based on a movement pattern of a person's approaching action.   The rope type home safety fence according to any one of claims 1 to 4, wherein the detection sensor is a three-dimensional distance image sensor.

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