JP2011122322A - Alarm display device of automatic door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an alarm display device of an automatic door, which draws a person's attention by blinking a warning light so that his/her hand or an object cannot be drawn into the gap between a door tail of an opening/closing door and a door storage portion. <P>SOLUTION: The automatic door opens/closes the opening/closing door along the door storage portion by a door drive unit in a transom, when a door starting sensor performs detection. In the automatic door, a light-emitting body blinked by a signal during the opening motion of the opening/closing door is provided on a vertical frame in the storage gap of the door storage portion; and a light-emitting body blinked by a signal during the closing motion of the opening/closing door is provided on a floor surface where the opening/closing door is opened/closed. The door storage portion employs a door storage case or includes a fixed door and a safety fence. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an automatic door installed in a building, a train or the like, and when the opening / closing door opens along a door storage portion formed by a door pocket, a fixed door and a safety fence, The present invention relates to an automatic door warning display device for flashing a warning light so as to prevent a user from being drawn.

  An invention in which a light emitter is attached to the door to blink to make it visible that the automatic door is opening and closing, and the opening direction is displayed on the door surface with an arrow when opening, and the closing direction is displayed with an arrow when closing. Has been proposed (Patent Document 1).

  In order to prevent people and objects from colliding with the door bottom of the automatic door when the automatic door opens and closes, a door pocket space is formed between the door and the fixed door. A protective fence has been proposed (Patent Document 2). This protective fence describes that an illuminator is attached to display an advertisement or the like, and that a warning alert is displayed when approaching.

JP-A-9-137669. Utility model registration No. 3151738.

The invention described in Patent Document 1 is for emphasizing that the automatic door is opening and closing, and visually confirming that the automatic door is opened and closed by attaching a light emitter to the door end of the opening and closing door. The opening and closing direction is indicated by an arrow on the door, but no safety measures have been taken to prevent the hand or object from being pulled in when the door butt side of the opening and closing door enters the door storage part such as a door pocket. .
In addition, the device described in Patent Document 2 has a protective fence that faces a fixed door in order to prevent people and objects from colliding with the door bottom of the door when the door of the automatic door opens. On this protective fence, it is described that a light-emitting body is attached to display an advertisement or the like, or a warning alert or the like is displayed when approaching. However, this device does not take any safety measures against a hand or an object being drawn when the open / close door enters the gap between the fixed door that acts as a door storage portion and the protective fence.

  When opening and closing the door along the door storage, the present invention blinks a warning light so that hands and objects will not be drawn into the gap between the door bottom of the door and the door storage. The present invention relates to a warning display device for an automatic door for prompting.

The present invention relates to an automatic door that opens and closes an open / close door along a door storage portion by a door drive device when a door activation sensor detects it, and is arranged on a vertical frame of the storage gap in the door storage portion. A light emitting body that blinks in response to a signal during opening operation is provided, and a light emitting body that blinks in response to a signal during closing operation of the opening and closing door is provided on a floor surface that opens and closes the opening and closing door.
The door storage part is formed of a door pocket in which both sides of the storage gap are covered with a standing frame and a shielding plate.
In addition to the door pocket light emitter, a door pocket sensor that stops the opening operation of the door when turned on is provided along a vertical frame in the door pocket where the door butt of the open / close door advances and retreats.

The door storage portion is not limited to a door pocket, and includes a fixed door provided on one surface of the storage gap and a safety fence provided on the other surface of the storage gap. The safety fence is the fixed door. A vertical U-shaped frame is formed by a vertical frame having a height of approximately 1/3 to 2/3 and a horizontal frame having substantially the same width as the fixed door.
A safety fence vertical light emitter is provided on the standing frame of the safety fence facing the door bottom side of the open / close door, a safety fence horizontal light emitter is provided on the horizontal frame, and a beam switch is provided.

  According to the first aspect of the present invention, in the automatic door that opens and closes the open / close door along the door storage portion by the door drive device when the door activation sensor detects the vertical gap of the storage gap in the door storage portion. In addition, a light-emitting body that flashes in response to a signal during the opening operation of the opening / closing door is provided, and a light-emitting body that flashes in response to a signal during the opening / closing operation of the opening / closing door is provided on the floor surface of the opening / closing door. A safe automatic door can be provided because hands and objects do not bite into the storage gap in the section, and people and objects do not get caught in the closing door.

  According to the second aspect of the present invention, since the door storage portion is formed of a door pocket in which both sides of the storage gap are covered with the standing frame and the shielding plate, safety in a vehicle such as a train is improved.

  According to the invention of claim 3, since the door pocket sensor for stopping the opening operation of the door at the time of ON is provided in addition to the door pocket light emitter along the standing frame in the door pocket in which the door bottom of the opening / closing door advances and retreats, By detecting that a hand or an object has been caught, the door can be stopped suddenly to prevent a major accident.

  According to the invention described in claim 4, since the door pocket light emitter is stationaryly lit or extinguished by a signal other than the signal during the opening / closing operation of the open / close door, the position of the gap can be confirmed even at night by stationary lighting. When turned off, it saves energy.

  According to the fifth aspect of the present invention, the door storage portion includes a fixed door provided on one surface of the storage gap and a safety fence provided on the other surface of the storage gap. Since the door frame is approximately 1/3 to 2/3 of the height of the door and the horizontal frame has the same width as the fixed door, it has a downward U-shaped frame. It can prevent biting of things and things.

  According to the invention of claim 6, the safety fence vertical light emitter is provided on the safety fence standing frame facing the door bottom side of the open / close door, the safety fence horizontal light emitter is provided on the horizontal frame, and the beam switch is provided. In this way, even a safety fence with a low height can display a warning for biting into a horizontal gap as well as a vertical gap.

  According to the seventh aspect of the invention, the safety fence horizontal light emitter and the safety fence vertical light emitter are turned on or off by a signal other than the signal during the opening operation of the open / close door. The position of the gap can be confirmed, and energy is saved when the light is turned off.

  According to the eighth aspect of the present invention, since the panel is fitted into the downward U-shaped frame composed of the standing frame and the horizontal frame, it is ensured that people and objects can enter the downward U-shaped frame. Can be prevented.

  According to the ninth aspect of the present invention, the space is formed inside the downward U-shaped frame composed of the standing frame and the horizontal frame, and the beam switch is provided across the space. Can be secured.

BRIEF DESCRIPTION OF THE DRAWINGS It is the front view which shows Example 1 of the warning display apparatus of the automatic door by this invention, and shows the example which the opening-and-closing door 12 advances / retreats to the door pocket 13 as a door accommodating part. (A) is the AA line expanded sectional view of FIG. 1, (b) is the BB line expanded sectional view of FIG. 7 is a front view showing an example in which the open / close door 12 advances and retreats in a gap between a safety fence 25 as a door storage portion and a fixed door 24 according to the second embodiment of the automatic door warning display device according to the present invention. FIG. 3A is an enlarged sectional view taken along line CC in FIG. 3, FIG. 3B is an enlarged sectional view taken along line DD in FIG. 1, and FIG. It is sectional drawing of a part. FIG. 3 is an electrical control circuit diagram of the automatic door warning display device according to the present invention. It is an operation | movement waveform diagram of the warning display apparatus of the automatic door by this invention. 4 is a flowchart illustrating an operation of the automatic door warning display device according to the present invention.

The present invention provides an automatic door that opens and closes an open / close door along a door storage portion by a door drive device when a door activation sensor detects it. A light emitter 19 that blinks in response to a signal during the opening operation of 12 is provided, and a light emitter 21 that blinks in response to a signal during the closing operation of the door 12 is provided on the floor surface of the opening and closing door 12.
As an example, the door storage portion includes a door pocket in which both sides of the storage gap are covered with a standing frame and a shielding plate. The mounting position of the light emitter 19 may be the inner vertical frame 16 of the door pocket 13, the outer vertical frame 16, or both the vertical frames 16.
A door pocket sensor 18 for stopping the opening operation of the door when on is provided in addition to the door pocket light emitter 19 along the standing frame 16 of the door pocket 13 in which the door bottom 20 of the opening / closing door 12 advances and retreats.
The door pocket light emitter 19 is turned on or off by a signal other than a signal during the opening operation of the door 12.

The door storage portion includes a fixed door 24 provided on one surface of the storage gap 17 and a safety fence 25 provided on the other surface of the storage gap 17. The safety fence 25 is an abbreviation of the fixed door 24. A standing frame 27 having a height of 1/3 to 2/3 and a horizontal frame 28 having substantially the same width as the fixed door 24 form a downward U-shaped frame.
A safety fence vertical light emitter 30 is provided on the standing frame 27 of the safety fence 25 facing the door butt 20 side of the open / close door 12, a safety fence horizontal light emitter 29 is provided on the horizontal frame 28, and a beam switch 31 is provided. The light emitter may be attached not only to the safety fence 25 side but also to a vertical shaft on the fixed door 24 side.
The safety fence horizontal light emitter 29 and the safety fence vertical light emitter 30 are stationaryly lit or extinguished by a signal other than the signal during the opening operation of the open / close door 12.
When the panel 26 is fitted inside the downward U-shaped frame composed of the upright frame 27 and the horizontal frame 28, the beam switch can be omitted.
When the space 33 inside the downward U-shaped frame composed of the standing frame 27 and the horizontal frame 28 is formed, a beam switch 31 is provided across the space 33 to detect the intrusion of a person or an object.

The first embodiment shown in FIGS. 1 and 2 shows an example in which the open / close door 12 advances and retreats to a door pocket 13 as a door storage portion.
As shown in FIG. 5, in addition to the rails, suspension vehicles, suspension frames, drive belts, drive motors, drive wheels, driven wheels, etc., which will be described later, the door control circuit, which will be described later, is used. 35, a door driving device 37, a light emitter control circuit 38, an illuminance sensor 39, and the like are accommodated.
On both sides of the opening / closing door 12, door pockets 13 are provided for the opening / closing door 12 to advance and retract. As shown in FIG. 2A, the door pocket 13 is fixedly attached with a storage space in which the open / close door 12 advances and retreats from the inside and outside of the building by the standing frame 16 and the shielding plate 40. As shown in FIG. 2 (b), an anti-sway groove 15 is formed on the hulling floor surface 10 of the open / close door 12 and the floor surface 10 of the storage space of the door pocket 13, and the lower lid 22 of the open / close door 12. An anti-sliding sliding body 23 attached to the sliding member 23 slides while fitting to prevent rolling.

A door pocket sensor 18 extending from the floor surface 10 to the invisible 11 is attached to the standing frame 16 inside the door pocket 13 so as to face the storage gap 17 in which the opening and closing door 12 advances and retreats. And the elongate door pocket light-emitting body 19 is attached to several places. The door pocket sensor 18 is configured such that the switch is closed when the contact is attached and crushed inside a flexible material such as a rubber tube. Further, the door pocket light emitter 19 is formed by arranging a plurality of light emitting elements such as LEDs and covering with a transparent cover.
2A shows an example in which the door pocket sensor 18 and the door pocket light emitter 19 are provided on the vertical frame 16 on the inner side of the door pocket 13, but they may be provided on the vertical frame 16 on the outer side of the door pocket 13. In addition, it may be provided in both.

The so-called hulling floor surface 10 along the outside of the steady groove 15 that opens and closes the opening / closing door 12 of the floor surface 10 is attached with several elongated hulling light emitters 21 in the same manner as the door pocket light emitting body 19. Yes. The hulling light emitter 21 is made of a light-transmitting material having a strength that does not break even if a cover that protects a light-emitting element such as an internal LED is stepped on.
In FIG. 1, the door activation sensor 14 includes an invisible sensor 14a, a touch sensor 14b, a floor sensor 14c, and the like.
It goes without saying that the present invention can be adopted even when there is no steady stop groove 15 on the floor surface 10.

  The second embodiment shown in FIGS. 3 and 4 is provided with a function as a door storage portion by a fixed door 24 and a safety fence 25 instead of the door pocket 13 of the first embodiment. That is, as shown in FIG. 4A, a fixed door 24 is fixedly attached to the outside of the open / close door 12, and a safety fence 25 is installed so as to face the fixed door 24. When the door is opened, a door storage portion is formed to prevent a person or an object from colliding with the door butt 20 of the open / close door 12. The safety fence 25 is substantially the same in width as the fixed door 24 mainly for the safety of children, but the height is about 1/3 to 2/3 of the height of the fixed door 24. The safety fence 25 has a U-shape that is downward facing the two left and right upright frames 27 and the upper horizontal frame 28. Between these frames, as shown on the left side of FIG. As shown on the right side of FIG. 3, the panel 26 is inserted, and either one is selected.

The left and right safety fences 25 have a vertical fence 30 that is the same as the door fence light emitter 19 on the vertical frame 27 of the vertical frame 27 that faces the storage gap 17 with the door bottom 20 of the open / close door 12. Is attached. A safety fence horizontal light emitter 29 is attached to the horizontal frame 28 upward. As shown in FIG. 4B, a beam switch 31 is attached to the horizontal frame 28. The beam switch 31 detects transmission / reception of a beam from one end to the other end and touching the horizontal frame 28 by blocking the beam. Instead of the beam switch 31, as shown in FIG. 4C, a push button switch 32 that detects the weight when leaning on the horizontal frame 28 may be provided.
As shown in the left side safety fence 25 in FIG. 3, when the interior is a space 33, it is confirmed that a person or an object has entered the space 33 by transmitting / receiving a beam from one vertical frame 27 to the other vertical frame 27 side. A plurality of beam switches 31 for detecting the beam interruption are attached.
FIG. 4A shows an example in which the beam switch 31 and the safety fence vertical light emitter 30 are provided on the standing frame 27 on the safety fence 25 side. And a fixed door light emitter, or may be provided on both.

FIG. 5 shows a control circuit diagram in the first and second embodiments.
In FIG. 5, the control circuit diagrams in the case where the door storage portion is the door pocket 13 of the first embodiment and the safety fence 25 of the second embodiment have many common parts and are described together. .
The blind 11 includes an activation switch 34 that operates in response to a signal from the door activation sensor 14 (any one of the silent sensor 14a, the touch sensor 14b, and the floor sensor 14c). In the case of the safety fence 25, the sensor switch amplifier 36 that amplifies the signal of the beam switch 31, the door control circuit 35 that inputs the signals of the start switch 34 and the sensor switch amplifier 36, and the door control circuit The door drive device 37 driven by the output of 35 and the output of the door control circuit 35 control the door pocket light emitter 19 and the hull light emitter 21 in the case of the door pocket 13, and the safety fence horizontal in the case of the safety fence 25. A light emitter control circuit 38 that controls the light emitter 29 and the safety fence vertical light emitter 30, and further controls the hulling light emitter 21, and the illuminance detected by the light emitter control circuit 38 It has an illuminance sensor 39 for controlling.

  The operation of the automatic door warning display apparatus configured as described above will be described with reference to FIGS. In the first embodiment shown in FIGS. 1 and 2, the light emitters are the door pocket light emitter 19 and the hull light emitter 21, and in the second embodiment shown in FIG. 3 and FIG. Although it is the fence horizontal light-emitting body 29, the safety fence vertical light-emitting body 30, and the hulling light-emitting body 21, in FIG.6 and FIG.7, it has described as what all the light-emitting bodies of Example 1 and Example 2 coexist. . Therefore, in the following description of the operation, the operation common to the first and second embodiments, the operation of the first embodiment, and the operation of the second embodiment will be described separately.

(1) Common: When the power switch is turned on at T1, the open / close door 12 is in a completely closed state. Further, when the power is turned on, the hulling light emitter 21 is lit stationary. This power source may be a commercial power source. If the automatic door is installed in a relatively positive place, the solar power generation panel is connected to the open / close door 12, the door pocket 13, the fixed door 24, the safety fence 25, etc. Energy saving can be aimed at by attaching.
Example 1: At the same time as the power is turned on, the door pocket light emitter 19 is lit stationary.
Example 2: The safety fence horizontal light emitter 29 and the safety fence vertical light emitter 30 are turned on at the same time as the power is turned on.

(2) Common: When the door activation sensor 14 (the blind sensor 14a, the touch sensor 14b or the floor sensor 14c) senses a person or an object at T2, the activation switch 34 is turned on, and the open / close door 12 starts to open, Whether the door is being opened is YES. If the door opening operation is YES,
Example 1: In order to notify that the opening / closing door 12 is open, the door pocket light-emitting body 19 changes from stationary lighting to blinking so that hands and objects are not drawn into the storage gap 17 between the opening / closing door 12 and the door pocket 13. Call attention.
Example 2: In order to notify that the open / close door 12 is open, the safety fence horizontal light emitter 29 and the safety fence vertical light emitter 30 change from stationary lighting to blinking, and the storage gap 17 between the open / close door 12 and the safety fence 25 Attention is drawn so that hands and objects are not drawn between the door pocket 13 and the safety fence 25.

(3) Common: The open / close door 12 continues the door opening operation.
Example 1: It is assumed that a person or an object bites into the storage gap 17 at T3 and the door pocket sensor 18 is turned on. Then, a signal is sent to the door control circuit 35 via the sensor switch amplifier 36, and the door drive device 37 stops the opening operation of the open / close door 12 according to a command from the door control circuit 35. At the same time, the door pocket light emitter 19 changes from blinking to stationary lighting. It is assumed that at time T4, the bite of the person or the object into the storage gap 17 is eliminated and repaired. Then, the open / close door 12 becomes a door opening operation, the door pocket light emitter 19 changes to blinking, and alerts the user so that the hand or object is not drawn into the door 17 again.
Example 2: It is assumed that at T5, the horizontal frame 28 is touched or leaned, or a person or an object enters between the fixed door 24 and the safety fence 25 in the space 33 and the beam switch 31 is turned on. Then, the opening / closing door 12 stops the opening operation. At the same time, the safety fence horizontal light emitter 29 and the safety fence vertical light emitter 30 change from blinking to stationary lighting. It is assumed that people and objects are removed and repaired at T6. Then, the open / close door 12 becomes a door opening operation, the safety fence horizontal light emitter 29 and the safety fence vertical light emitter 30 change to blinking, and alerts the user so that hands and objects are not drawn into the storage gap 17 again.

(4) Common: After T6, the open / close door 12 continues the door opening operation. When the open / close door 12 reaches the open end, a switch (not shown) is turned on, and whether the door is fully open becomes YES at T7.
Example 1: When the open / close door 12 stops in an open state, the door pocket light emitter 19 of the door pocket 13 changes from flashing to stationary lighting.
Example 2: When the open / close door 12 stops in an open state, the safety fence horizontal light emitter 29 and the safety fence vertical light emitter 30 of the safety fence 25 change from blinking to stationary lighting.

(5) Common: If the door closing operation is YES after a few seconds after the opening / closing door 12 is fully opened, the hulling light emitter 21 changes from stationary lighting to blinking, and the opening / closing door 12 is closing. Call attention not to stop around 12.
Example 1: Even if it is YES whether the door closing operation is being performed after the opening / closing door 12 is fully opened, the door pocket light emitter 19 remains stationary.
Example 2: The safety fence horizontal light-emitting body 29 and the safety fence vertical light-emitting body 30 remain stationary and light even if the door closing operation is in the YES state after the open / close door 12 is fully opened.

(6) Common: During door closing operation,
Example 1: Even if the door pocket sensor 18 is turned on, the door pocket light emitter 19 does not blink. This is because drawing into the storage gap 17 does not occur during the door closing operation of the open / close door 12. However, when a person or an object is caught in the storage gap 17 of the door pocket 13 and the door pocket sensor 18 is turned on, the door closing may be interrupted and returned to the door closing operation after the repair.
Example 2: Even if the beam switch 31 or the pushbutton switch 32 is turned on, the safety fence horizontal light emitter 29 or the safety fence vertical light emitter 30 does not blink. However, when a person or an object is caught between the fixed door 24 and the safety fence 25 and the beam switch 31 is turned on, the door closing may be interrupted and returned to the door closing operation after the repair.

(7) Common: When the door activation sensor 14 (the blind sensor 14a, the touch sensor 14b, or the floor sensor 14c) senses a person or an object again during the door closing operation, whether the activation switch 34 is on is YES and opens / closes Whether the door 12 is in the door opening operation returns to YES. When the activation switch 34 is turned on or NO and the door is completely closed, the door is completely closed, and the hulling light emitter 21 is lit stationary.
Example 1: The door pocket light emitter 19 continues to be stationary.
Example 2: The safety fence horizontal light emitter 29 and the safety fence vertical light emitter 30 are kept stationary.
In the above embodiment, when the open / close door 12 is not opened / closed, the doorcase light emitter 19 is lit stationary as shown in (e-1), but it is not turned on as shown in (e-2). May be.

In the above embodiment, during the opening / closing operation of the opening / closing door 12, the safety fence horizontal light emitting body 29 and the safety fence vertical light emitting body 30 are stationaryly lit as shown in (g-1). As such, it may be turned off.
In the above embodiment, only when the open / close door 12 is closed, the hulling light emitter 21 blinks as in (h-1), and the rest of the light is stationary, but (h-2) Thus, it may be made not to light except the closing operation of the opening / closing door 12.

  DESCRIPTION OF SYMBOLS 10 ... Floor surface, 11 ... Seamless, 12 ... Opening and closing door, 13 ... Door bag, 14 ... Door starting sensor, 15 ... Stabilizing groove, 16 ... Standing frame, 17 ... Storage gap, 18 ... Door bag sensor, 19 ... Door bag light emission Body, 20 ... Tojiri, 21 ... Hail light emitter, 22 ... Lower arm, 23 ... Anti-sliding body, 24 ... Fixed door, 25 ... Safety fence, 26 ... Panel, 27 ... Vertical frame, 28 ... Horizontal frame, 29 ... Safety fence horizontal light emitter, 30 ... Safety fence vertical light emitter, 31 ... Beam switch, 32 ... Push button switch, 33 ... Space, 34 ... Start switch, 35 ... Door control circuit, 36 ... Sensor switch amplifier, 37 ... Door Drive device 38... Light emitter control circuit 39. Illuminance sensor 40.

Claims (9)

  When the door activation sensor detects, in the automatic door that opens and closes the open / close door along the door storage portion by the door drive device within the eyes, the opening door is being opened in the standing frame of the storage gap in the door storage portion. An automatic door warning display device, characterized in that a light-emitting body that blinks in response to a signal is provided, and a light-emitting body that blinks in response to a signal during the closing operation of the open / close door is provided on a floor surface that opens and closes the open / close door.   2. The warning display device for an automatic door according to claim 1, wherein the door storage section is composed of a door pocket in which both sides of the storage gap are covered with a standing frame and a shielding plate.   3. The automatic door warning according to claim 2, further comprising a door pocket sensor for stopping the opening operation of the door when the door is turned on in addition to the door pocket light emitter along the vertical frame of the door pocket where the door butt of the opening and closing door advances and retreats. Display device.   4. The automatic door warning display device according to claim 1, wherein the door light emitter is turned on or off by a signal other than a signal during the opening operation of the door.   The door storage portion includes a fixed door provided on one surface of the storage gap and a safety fence provided on the other surface of the storage gap. The safety fence is approximately 1/3 to 2/3 of the fixed door. 2. A warning display device for an automatic door according to claim 1, wherein a vertical U-shaped frame is formed by a vertical frame having a height and a horizontal frame having substantially the same width as the fixed door.   6. A safety fence vertical light emitter is provided on a standing frame of the safety fence facing the door bottom side of the open / close door, a safety fence horizontal light emitter is provided on the horizontal frame, and a beam switch is provided. Automatic door warning display device.   7. The warning display device for an automatic door according to claim 6, wherein the safety fence horizontal light emitter and the safety fence vertical light emitter are stationaryly lit or extinguished by a signal other than a signal during the opening operation of the open / close door.   8. The warning display device for an automatic door according to claim 5, 6 or 7, wherein a panel is fitted in a downward U-shaped frame composed of a vertical frame and a horizontal frame.   8. An automatic door warning display according to claim 5, wherein a space is formed inside a downward U-shaped frame composed of a vertical frame and a horizontal frame, and a beam switch is provided across the space. apparatus.

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