JP2000282738A - Revolving door device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a revolving door device capable of smoothly controlling the revolving action of a revolving door. SOLUTION: The revolving door device is equipped with a circular ring body 3 in plan view, a bearing body 10 bearing the ring body 3 with the center of curvature as the center in a rotatable manner, a driving device 50 rotating the ring body 3, a damping device 70 damping the rotation of the ring body 3 and a door board hung down from the ring body 3, having a projected surface and the recessed rear side.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a revolving door device in which the entrance and exit of a room can be opened and closed by rotating a half-cylindrical door plate in order to improve the space utilization rate of the room.

[0002]

2. Description of the Related Art A revolving door of this type has been previously filed by the present applicant and is described, for example, in Japanese Utility Model Laid-Open No. 7-42852.

In the revolving door disclosed in Japanese Utility Model Laid-Open Publication No. 7-42852, a large number of rollers are pivotally mounted on an outer peripheral edge of an upper portion of a semi-cylindrical door plate, and the rollers are formed into a circular door support portion. It is supported by the circular rails provided in. further,
A rotating shaft is connected to the center of the upper part of the door plate, and the door plate is also supported by the rotating shaft. In this way, the outer peripheral edge of the door plate is supported by the rollers, and the central portion of the door plate is supported by the rotating shaft, so that the door plate can be rotated.

[0004]

In the rotating door described in the above publication, the roller and the rail are in contact with each other on a plane parallel to the rotation axis of the rotating door. This contact must be slid and turned. The frictional resistance generated at the time of this direction change cannot be ignored, leaving room for improvement in the smooth rotation of the door plate.

Further, since the central portion of the door plate is supported by the rotating shaft, the height of the entire rotating door is increased, and the structure is complicated. Further, the rotation of the door plate requires a large driving torque because the door plate is rotated with the rotation of the rotation shaft at the center.

Further, regarding the control of the rotational force of the door plate,
There was room for improvement. The present invention has been made in view of the above circumstances, and has as its technical object to provide a rotating door device that enables a door plate to rotate smoothly without complicating the configuration of the rotating door.

Another object of the present invention is to provide a revolving door device capable of controlling the rotating operation of the revolving door comfortably and safely for a user. Another object of the present invention is to provide a revolving door device capable of reducing a load on the device with respect to a rotating operation of the revolving door.

It is another technical object of the present invention to provide a revolving door device capable of promptly responding to an emergency in a room in connection with the opening / closing operation unique to a half-cylindrical door plate. It is another technical object of the present invention to provide a revolving door device in which a door plate can be smoothly rotated without increasing the height of the entire revolving door.

[0009]

The present invention adopts the following means in order to solve the above-mentioned problems. That is, the first
The invention is characterized in that the ring body 3 has an annular shape in a plan view, a ring body supporting means 10 for supporting the ring body 3 rotatably around a center of curvature of the ring body 3, and a driving means for rotating the ring body 3. 50, a braking means 70 for braking the rotation of the ring body 3, and a door plate 7 suspended by the ring body 3 and having a convex surface and a concave rear surface. Features (corresponding to claim 1).

According to a second aspect of the present invention, in the first aspect, the driving means 50 comprises a driving roller 51 which comes into contact with the ring 3, and the driving roller 51 comes into contact with the ring 3 with a predetermined urging force. Driving roller biasing means 5 for controlling contact
8 (corresponding to claim 2).

According to a third aspect of the present invention, in any one of the first and second aspects, the braking means 70 comprises the ring body 3.
And a braking roller biasing means 78 for controlling the braking roller 71 to contact the ring body with a predetermined biasing force (corresponding to claim 3). .

According to a fourth aspect of the present invention, in any one of the first to third aspects, the door position detecting means 81, 83, 84 for detecting the rotational position of the door plate 7;
A control unit 91 that inputs signals from the signals 83 and 84 and outputs an instruction signal to the driving unit 50 and the braking unit 70, and controls the rotation speed of the door plate 7 according to the stage of the opening and closing operation of the door plate 7; (Corresponding to claim 4).

According to a fifth aspect of the present invention, in any one of the first to fourth aspects of the invention, obstacle detecting means 86 and 87 for detecting obstacles on the rotation path of the door plate 7, and the obstacle detecting means 8
6 and 87, the driving means 50
And a control unit 91 that outputs an instruction signal for stopping the braking and for activating the braking means 70 (corresponding to claim 5).

According to a sixth aspect of the present invention, there is provided a door plate 7 having a front surface formed in a convex shape and a rear surface formed in a concave shape.
Door plate supporting means 3 and 10 for rotating about the center of curvature of the door plate 7; emergency detecting means 80 for detecting an emergency state in a room closed by the door plate 7; And a controller 91 that outputs an instruction signal to the door plate supporting means 3 and 10 so that the door plate 7 is in a half-open state when a signal is input from the controller. Corresponding to).

The door plate supporting means can be a concept including a driving means 50 for applying a driving force to the door plate 7 and a braking means 70 for suppressing the driving force of the door plate 7. The door plate 7 can be formed in a semi-cylindrical shape. Also, the door plate 7
May be formed in a semi-polygonal cylindrical shape.

The ring body 3 may be hollow or solid, and the outer surface of the ring body 3 is desirably circular. In addition, as for the outer surface of the ring body 3, the upper part of the ring body 3 does not necessarily have to be arc-shaped if the lower part of the ring body 3 is arc-shaped in cross section.

[0017]

FIG. 1 is a block diagram showing an embodiment of the present invention.
18 will be described. This embodiment is a revolving door for opening and closing an entrance of a facility used for a toilet, a telephone room, a dressing room, a shower room, a store, and the like.

The room 1 has a wall 2 behind and on both sides of the floor 6.
The front is open and it is an entrance. A roof 5 connected to the wall 2 is provided at the upper part of the chamber 1, and a ring body 3 having a circular cross section and an annular shape in a plan view is installed in an internal space 5 a near the front of the roof 5. Have been. More specifically, the ring body 3 is formed by bending a cylindrical pipe into an annular shape.

A support (ring support means) 10 for supporting the ring 3 is fixed to the inner wall of the roof 5 by four connecting portions 16. The support 10 is provided with an annular plate 11 and 6 at equal intervals on the annular plate 11.
The lower roller 12 and the annular plate 11
An upper roller 13 is provided on each of the frames 11b arranged at three positions at 0-degree intervals. In the present embodiment, since the driving device 50 and the braking device 70, which will be described later, are located behind the annular plate 11 (behind the chamber 1), the upper roller 13 is not installed behind the chamber 1. It may be installed at four places at 90-degree intervals on the annular plate 11, or may be installed at five or more places. Each of the lower rollers 12 has a pair of a first lower roller 12a and a second lower roller 12b. Specifically, the first lower roller 12
An inner ring 14a is arranged concentrically with the inner side of the inner ring a, and a concave groove is provided in an annular shape on each of the inner peripheral surface of the first lower roller 12a and the outer peripheral surface of the inner ring 14a. And
Between the first lower roller 12a and the inner ring 14a, a large number of balls 15a engaging with the respective grooves are rotatably inserted in a line without any gap. The first lower roller 12a and the inner ring 14a are integrated so that the ball 15a cannot be removed from between them and the first lower roller 12a and the inner ring 14a do not rattle. That is, the first lower roller 12a, the inner ring 14a, and the ball 15a form a structure of a bearing device, and the first lower roller 12a is rotatably supported by the inner ring 14a.

Similarly to the first lower roller 12a, the second lower roller 12b also has a bearing structure together with the inner ring 14b and the ball 15b.
4b rotatably supported.

On the other hand, a roller support 18 is fixed to the upper side of the annular plate 11 with bolts. The roller supporting member 18 is located approximately 30 degrees inward below a perpendicular passing through the center of the ring body 3 (in the direction of the center of the annular ring body 3 in plan view).
The shaft 21a is orthogonal to the line that is inclined. Further, the roller support 18 includes a shaft portion 21b that is orthogonal to a line that is inclined downward by approximately 30 degrees outward with respect to a perpendicular passing through the center of the ring body 3. The inner races 14a, 14b are fixed to both shaft portions 21a, 21b.

That is, the first lower roller 12a and the second lower roller 12b are arranged so that they are parallel to a tangent when the surface of the ring body 3 comes into contact with the upper surfaces of the lower rollers 12a and 12b. It has an axle. And
The first lower roller 12a is rotatably supported by the shaft 21a, and the second lower roller 12b is rotatably supported by the shaft 21b.

The upper roller 13 also has the same support structure as the lower roller 12. That is, the inner race 22 is arranged concentrically inside the upper roller 13,
The inner peripheral surface of the inner ring 22 and the outer peripheral surface of the inner ring 22 are provided with annular grooves, respectively. In addition, between the upper roller 13 and the inner ring 22, a large number of balls 23 engaging with the respective concave grooves are rotatably inserted in a row with almost no gap. Upper roller 1
The inner ring 3 and the inner ring 22 are integrated so that the ball 23 cannot be removed from between them and the upper roller 13 and the inner ring 22 do not rattle. That is, the upper roller 13, the inner ring 22, and the ball 23 form exactly the structure of a bearing device, and the upper roller 13 is rotatably supported by the inner ring 22.

A bolt 24 is inserted through the inner ring 22. The bolt 24 has its axis extending horizontally at right angles to the ring body 3, and is provided on a frame 11 b connected to the annular plate 11 through the inner ring 22, the collar 25, and the spacer plate 26. It is fixed to a plate 11c supported via four spring bodies 11d for adjusting the vertical width. The annular plate 11 is connected to the lower end of the upright portion 11a via a connection plate 15, and the upper end of the upright portion 11a is
1b is fixed to the lower end. Also, the connecting portion 16
Is fixed to the upper part of the upright portion 11a.

The support 10 has a structure in which the first lower roller 12a abuts on the lower portion on the inner peripheral side of the ring 3 and
The second lower roller 12b contacts the lower part of the outer periphery of the ring body 3,
The upper roller 13 is attached so as to contact the upper center of the ring body 3.

The diameter of the first lower roller 12a is smaller than the diameter of the second lower roller 12b. This is to synchronize the rotation speeds of the first lower roller 12a rotating on the inner peripheral side of the ring body 3 and the second lower roller 12b rotating on the outer peripheral side of the ring body 3. Therefore, the value obtained by dividing the wheel distance of the first lower roller 12a by the total distance on the inner peripheral side of the ring 3 and the second lower roller 12a
b so that the value obtained by dividing the wheel distance of b by the entire circumference on the outer peripheral side of the ring body 3 matches each other.
The diameter 2b may be set.

The spacer 13 is adjusted in advance so that the upper roller 13 is located at the upper center of the ring body 3. When attaching the ring body 3 to the support body 10,
The nut 11e for fixing each spring body 11d is loosened to move the plate 11c upward, and the ring body 3 is moved to the first position.
Lower roller 12a, second lower roller 12b, and upper roller 13
Insert between Then, the first lower roller 12a is brought into contact with the lower portion on the inner peripheral side of the ring body 3 and the second lower roller 1a
2b is brought into contact with the lower part on the outer peripheral side of the ring body 3, and then the plate 11c is pushed down to bring the upper roller 13 into contact with the ring body 3.
And a nut 11e is tightened.
That is, in this embodiment, the spring body 11d and the nut 11e constitute a mounting position adjusting mechanism for adjusting the mounting position of the upper roller 13 with respect to the frame 11b.

Even if the ring body 3 slightly moves up and down due to rattling or the like, the upper roller 13 and the ring body 3 are always in contact with each other due to the urging force of the spring body 11d. 3 rotates stably.

Four suspension portions 40 are provided inside the ring body 3.
Are connected at 90 ° intervals, and the lower part of the suspension part 40 is connected to the beam part 43a. And
The upper end of the semi-cylindrical door plate 7 is fixed to the beam portion 43a. Therefore, the door plate 7 is configured to rotate integrally with the ring body 3. Further, a disk-shaped inner roof 43 whose central portion bulges upward is attached to the beam portion 43a. In addition, a lighting fixture will be attached below the bulged central portion of the inner roof 43. Standing portion 11a on the rear side of annular plate 11 (rear side of chamber 1)
A driving device (driving means) 5 for rotating the ring body 3
0 and a braking device (braking means) 70 for braking the rotational movement of the ring body 3.

Here, the driving device 50 will be described in detail mainly with reference to FIGS. The driving device 50 includes an outer case 53 and an inner case 52 that is installed in the outer case 53 so as to be swingable around a shaft portion 54 as a fulcrum. A motor (not shown) is provided in the inner case 52, and a drive shaft of the motor is connected to a rotating shaft 51 a protruding from the inner case 52. The rotating shaft 51a is fixed to the center of rotation of the urethane rubber driving roller 51, and the driving roller 51 rotates forward and reverse as the motor rotates normally and reversely. The drive roller 51 may be formed of another resin rubber.

The outer case 53 includes the drive roller 51
Is fixed to the upper part of the upright portion 11a so that the surface of the ring member 3 contacts the upper surface of the ring body 3. And the driving roller 5
1 is urged downward (toward the ring body 3) by a spring body (drive roller urging means) 58 fixed to the outer case 53 abutting on the upper end of the front part of the inner case 52. The urging force of the spring body 58 is
7, the driving roller 5
1 is adjusted so as to press against the ring body 3 at a predetermined pressure.

On the other hand, the braking device 70 also has the same configuration as the driving device 50. As shown in FIG. 14, the inner case 72 is swingably housed in the outer case 73 with the shaft 74 as a fulcrum. Have been. A urethane rubber braking roller 71 is pressed against the ring body 3 at a predetermined pressure by a spring body (braking roller urging means) 78 adjusted by a bolt 77.

The braking roller 71 normally rotates freely (rotates with little load) as the ring 3 rotates. When the ring body 3 is stopped, the rotation of the braking roller 71 is braked, and the rotation of the ring body 3 is stopped by the frictional force of the braking roller 71.

The ring body 3 is provided inside the upright portion 11a.
5, that is, five photo interrupters (door position detecting means) for detecting the rotational position of the door plate 7.

The first sensor (door position detecting means) 81a and the second sensor 81b are installed at a slight distance from each other. Further, the fourth sensor 83b is connected to the second sensor 81b.
(A position 180 degrees away from the second sensor 81b along the ring body 3). And
The third sensor 83a is separated from the fourth sensor 83b by a small distance, and the first sensor 81a is
It is provided on the side.

Further, the fifth sensor 84 is connected to the second sensor 8.
It is provided at an intermediate position between the first sensor 4b and the fourth sensor 83b (a position 90 degrees away from both). Further, a shielding plate 85 is attached to the outside of the ring body 3. The shielding plate 85 moves with the rotation of the ring body 3 so that each sensor can detect the shielding plate 85.

When the shielding plate 85 is located at the second sensor 81b, the door plate 7 is opened (the surface 7a of the door plate 7 faces the interior of the chamber 1), and the shielding plate 85 is moved to the fourth sensor 81b. The door plate 7 is set to be in a closed state (a state in which the surface 7a of the door plate 7 faces outward) when located at the sensor 83b.

At the side end of the door plate 7, a tape switch (obstacle detecting means) as a pressure sensor is provided.
That is, the first tape switch 86 is attached to one side end of the door plate 7 from the upper end to the lower end, and the second tape switch 8 is attached to the other side end of the door plate 7.
7 is similarly mounted from the upper end to the lower end.

The first tape switch 86 and the second tape switch 87 are tape-shaped pressure sensors. The tape has a structure in which two electrodes face each other, and the electrodes are always separated from each other by a spacer partially inserted between the electrodes. Then, when the user himself or his baggage touches the tape, the electrodes come into contact with each other. As a result, the presence of a user or the like on the rotation path of the door plate 7 can be detected. The first tape switch 86 and the second tape switch 87 can be exemplified by a pressure sensor using a piezoelectric element, but may be replaced by an optical sensor or the like that detects an obstacle in the rotation path of the door plate 7. .

On the back surface 7b of the door plate 7, an open switch 88b for instructing opening and closing of the door plate 7 and a close switch 88
a. It should be noted that a single button switch is provided as an open / close switch for the door plate 7, and when this switch is operated for the first time, a door closing operation is instructed, and when this switch is pressed for the second time, a door opening operation is instructed. Is also good.

A door lock switch 8 for operating a door locking device (locking device) 63 is provided on the back surface 7b of the door plate 7.
9 is also provided. The lock device 63 has a structure in which a plunger that slides by energizing an electromagnetic coil is attached to the door plate 7 side. Then, based on a signal from the door lock switch 89, the plunger is
, And the door plate 7 is locked. The open / close switches 88a and 88b, the door lock switch 89, and the like may be provided on the wall 2 as long as the door plate 7 does not block the surface during the rotation operation.
In addition, the plunger may lock the door plate 7 by engaging and disengaging a hole provided in the ring body 3.

Further, an emergency switch 80 is provided in the room 1 so that a user can notify an emergency to the outside. Based on the operation of the emergency switch 80, the alarm device 6 that sounds an alarm such as a siren or blinks the lighting of the room 1
0 activates. Note that the alarm device 60 may be a communication terminal that automatically reports an emergency to the facility manager using a telephone line or the like.

As will be described later in detail, a confirmation switch 65 for confirming the operation purpose of the emergency switch 80 is also provided in the room 1. Then, the first sensor 81
a, second sensor 81b, third sensor 83a, fourth sensor 83b, fifth sensor 84, first tape switch 86, second tape switch 87, door close switch 88a, door open switch 88b, door lock switch 89, emergency switch 8
0, the confirmation switch 65 is connected to the computer 90 as shown in FIG. Computer 9
0 indicates CPU (Central Processing)
Unit), a control unit 91 having a timer function and the like,
Hard disk, RAM (Random Access)
Memory and ROM (Read Only M)
and a storage device 93 having a memory or the like, and signals from the sensors and the switches are input to the control unit 91 via the input interface 95. The command from the control unit 91 is output to the driving device (motor) 50, the braking device (brake) 70, the alarm device 60, and the locking device 63 via the output interface.

Next, a specific operation in the present embodiment will be described focusing on the control flow of the control unit 91 shown in FIGS. The normal operation of the door plate 7 will be described based on the control flow of FIG.

First, as an initial setting, the driving device 50
The motor is rotated forward to rotate the ring body 3 so that the door plate 7 is in the open state (the surface 7a faces the inside of the chamber 1 and the state shown in FIG. 11). When the shielding plate 85 is detected by the second sensor 81b, the driving device 50 is stopped and the braking device 7 is stopped.
0 operates to hold the door plate 7 in the open state (step 10).
1). After the door plate 7 is opened, the braking device 7
0 may be in a free state.

Next, the control unit 91 operates the door closing switch 88a.
It is monitored whether or not has operated (step 102). When the user enters the inside (on the floor 6a) of the open door plate 7 shown in FIG.
Sends an instruction to the driving device 50 to reverse the motor and rotate the door plate 7 in the closing direction (step 103). At this time, the motor of the driving device 50 rotates at a low speed, and the ring body 3 and the door plate 7 also rotate at a low speed. That is, the door plate 7
Starts moving slowly and suppresses giving the user anxiety as much as possible.

While the door plate 7 is rotating (see FIGS. 10 and 12), the control section 91 monitors a signal from the first sensor 81a (step 104). The control unit 91 controls the first sensor 8
When the signal from 1a is input (when the shielding plate 85 is positioned on the first sensor 81a), the control unit 91 rotates the motor of the driving device 50 at high speed (Step 105). That is, the door plate 7 that has started moving slowly rotates quickly (at a normal speed).

Next, the control section 91 monitors a signal from the third sensor 83a (step 106). When the control unit 91 inputs a signal from the third sensor 83a (the shielding plate 85
Is located at the third sensor 83a), the control section 91 rotates the motor of the driving device 50 again at a low speed (step 107). That is, the rotation speed of the door plate 7 changes from the normal speed to a reduced speed immediately before the door plate 7 is completely closed.

Then, the control section 91 controls the fourth sensor 83b.
(Step 108), the motor of the driving device 50 is stopped (step 109),
By operating the braking device 70 (loading the rotation of the braking roller 71), the rotation of the door plate 7 is stopped (step 11).
0). Thus, the user has entered the room 1 (see FIGS. 9 and 13).

Next, the control unit 91 operates the door opening switch 88b.
It is monitored whether or not has operated (step 111). When the user operates the door opening switch 88b, the control unit 91
An instruction is issued to rotate the motor of the driving device 50 forward to rotate the door plate 7 in the opening direction (step 112). At this time, the motor of the driving device 50 rotates at a low speed, and the door plate 7
Also rotates at low speed. That is, even when the user leaves the room 1, the door plate 7 starts moving slowly.

During the rotation of the door plate 7, the control unit 91
Monitor the signal from the third sensor 83a (step 11)
3). When the control unit 91 inputs a signal from the third sensor 83a (when the shielding plate 85 approaches the third sensor 83a), the control unit 91 accelerates the rotation speed of the motor of the driving device 50, and moves the door plate 7 normally. Rotate at the speed (step 114).

Next, the control section 91 monitors a signal from the first sensor 81a (step 115). When the control unit 91 inputs a signal from the first sensor 81a (the shielding plate 85
Is located at the first sensor 81a), the control unit 91 decelerates the motor of the driving device 50 (step 116).
That is, immediately before the door plate 7 is completely opened, the rotation speed of the door plate 7 changes from the normal speed to a reduced speed.

Then, the controller 91 controls the second sensor 81b
(Step 117), the motor of the driving device 50 is stopped (step 11).
8) The brake device 70 is operated to stop the rotation of the door plate 7 (step 119). This means that the user has left the room 1.

Note that the subsequent stage of step 119 is a loop of step 102, and the control unit 91 waits for the next visit of the user. The rotation speed of the door plate 7 is controlled not only by directly controlling the rotation speed of the motor of the driving device 50 but also by controlling the transmission interposed between the motor and the rotation shaft of the driving roller 51. The rotation speed of the plate 7 may be adjusted.

When the inside of the chamber 1 is not used, as shown in FIG. 11, the door plate 7 is stopped with the surface 7a (convex surface) of the door plate 7 facing the inside of the chamber 1. That is, since the bulging portion of the door plate 7 enters the wall portion 2, the vicinity of the entrance of the chamber 1 can be widely used.

When the inside of the room 1 is used, the user can enter the room from the outside without moving himself while standing at the entrance (6a) of the room 1. Further, since the pair of inwardly inclined lower rollers 12a and the upper roller 13 sandwich and support the ring body 3, the ring body 3 does not separate from the support body 10.

The first lower roller 12a rotating on the inner peripheral side of the ring body 3 and the second lower roller 12b rotating on the outer peripheral side of the ring body 3 tilt their respective rotation axes from the vertical direction. Since the ring body 3 having a circular cross section is provided,
It can be rotated stably. Also, while rotating the ring body 3 having a circular cross section by such a roller 12, the load from the roller 12 is input to the shaft of each roller 12 in a state close to the orthogonal direction. Can rotate smoothly.

Further, the diameter of the first lower roller 12a is
The diameter of the lower roller 12b is smaller than that of the lower roller 12b.
Since the rotation speeds of a and 12b are the same, the rotation of the ring body 3 is stabilized. Further, since each roller 12 rotates in the same manner, the generated vibration and noise become monotonous, and the user does not feel uncomfortable.

Since the upper roller 13 supporting the upper part of the ring 3 is urged downward by the spring 11d, it is possible to prevent rattling during rotation of the ring 3.

In addition, a large-sized structure for supporting the door plate 7 is not required in the upper center portion of the chamber 1 (above the door plate 7), so that the overall height of the revolving door can be kept low and the structure is simple. become.

The driving roller 51 of the driving device 50 for controlling the rotation of the ring 3 and the braking roller 71 of the braking device 70 are connected to the ring 3 by springs 58 and 78.
Because it is urged to the side, even if the roller is worn, it continues to be pressed against the ring body 3 at a predetermined pressure, so that sufficient driving force and braking force can be continued.

Further, even if the rotation of the door plate 7 is suppressed by an external force during the rotation of the door plate 7, the driving roller 5
Since 1 can idle on the surface of the ring body 3, it does not overload the motor. In addition, even for the user who is sandwiched between the door plates 7, the safety is high because the user is not sandwiched by a strong force.

Further, the rotation speed of the door plate 7 is controlled to be low at the initial stage of the opening / closing operation and immediately before the end thereof, so that the operation gives the user a sense of security. In the middle stage of the opening and closing operation of the door plate 7, since the door plate 7 rotates quickly,
The time required for the entire opening / closing operation can be suppressed to a short time.

Further, since only the low speed door plate 7 is stopped for the braking device 70, the load on the braking device 70 is small, and deterioration and failure of the braking device 70 can be prevented as much as possible. In addition, since the driving device 50 operates at a low speed when the door plate 7 is moved out, deterioration of the device can be suppressed.

In parallel with the control flow shown in FIG. 16 described above, the control section 91 also executes the control flow shown in FIG. This control flow is for preventing a user or the like from being caught in the door plate 7 while the door plate 7 is rotating.

That is, while the door plate 7 is rotating, the control unit 91
Recognizes the rotation direction of the door plate 7 (step 201).
Then, the control unit 91 monitors a signal from the tape switch on the rotation direction side of the door plate 7. That is, the control unit 91
If the door plate 7 is rotating in the closing direction, the signal of the first tape switch 86 is monitored, and if the door plate 7 is rotating in the opening direction, the signal of the second tape switch 87 is monitored.

When the control unit 91 recognizes the operation of the tape switch on the rotation direction side of the door plate 7, the control unit 91 immediately stops the motor of the driving device 50 (step 20).
3) The brake device 70 is operated to stop the rotation of the door plate 7 (step 204). Further, the control unit 91 reverses the motor of the driving device 50 with respect to the operation direction for 0.5 seconds (if the motor is rotating forward, it is reversed, and if the motor is reversed, it is rotated forward. 205, step 206). Thereafter, the motor of the driving device 50 is stopped (Step 207).

Next, the control unit 91 sets 5 minutes after the motor stops.
It is determined whether or not five seconds have elapsed (step 208). If five seconds have elapsed, it is determined whether or not the tape switch in the rotation direction of the door plate 7 (the operation direction by the open / close switch) has been activated (step 209). . If the tape switch has not been operated, the motor of the drive device 50 is restarted (rotated in the original rotation direction), and the process is terminated (step 210). Step 208 and step 209
Is a loop routine of step 208.

Further, in parallel with the control flow shown in FIGS. 16 and 17 described above, the control section 91 executes the control flow shown in FIG. This control flow is to set the door plate 7 to a half-open state when an emergency occurs in the room 1,
This is to enable rescue access inside and outside the room 1.

That is, the control section 91 monitors a signal from the emergency switch 80 installed in the room 1 (step 3).
01). When the emergency switch 80 is activated, the control unit 9
1 activates the alarm device 60 (step 302).

Here, the usage of the confirmation switch 65 will be described. Considering the case where the user operates the emergency switch 80, for example, when the user's own physical condition deteriorates, when an emergency such as a fire occurs in the room 1, or when the user enters the room, For example, a case where a suspicious person senses that the user is waiting is detected. Therefore, by providing the confirmation switch 65, it is decided to confirm with the user whether or not the door plate 7 can be half-opened after the operation of the emergency switch 80.

In step 302, the alarm device 60 is activated, the siren sounds and the facility manager is automatically notified, and at the same time, the alarm device 60 makes the following announcement to the user. That is, the alarm device 60
Is displayed to the user with a voice and text display saying "If you do not press the confirmation switch within 30 seconds, the door will open. If you want to open the door, do not press the confirmation switch." Do it. Thereafter, the control unit 91 determines whether or not 30 seconds have elapsed. If the confirmation switch 65 has not been operated even though 30 seconds have elapsed, the control unit 91 determines that the user is in poor physical condition or the like, Move to step 305.

In step 305, the controller 91 determines whether the door plate 7 is in the closed state, that is, whether the second sensor 81b is outputting a detection signal. When the door plate 7 is in the closed state, the control unit 91 forcibly releases the lock by the lock device 63 (Step 306). Then, the control section 91 rotates the motor of the driving device 50 forward at a speed lower than the normal speed (low speed), and rotates the door plate 7 in the opening direction (step 307). While the door plate 7 is rotating, the control unit 9
1 monitors the signal from the fifth sensor 84 (Step 308). When a signal from the fifth sensor 84 is input (when the shielding plate 85 is positioned at the fifth sensor 84), the control unit 91 stops the motor of the driving device 50 (Step 309) and operates the braking device 70. Then, the rotation of the door plate 7 is stopped (step 310). In this state, the door plate 7
Is in a half-open state, and entering and exiting the inside and outside of the room 1 can be performed by a linear route. The user may leave the room or wait for a rescuer to come. Then, the rescuer can quickly enter the room 1. This is based on the fact that a half-cylindrical door plate having a size equal to or larger than a predetermined shape has a gap through which the inside and outside of the chamber 1 communicates with each other in a half-open state.

On the other hand, if the door plate 7 is not closed in step 305 for some reason,
Reverses the motor of the driving device 50 at a low speed (step 311). When the door plate 7 is closed (when the control unit 91 confirms the signal of the second sensor 81b in step 312), the motor of the driving device 50 is stopped (step 313), and the braking device 70 is stopped. Is operated (step 314), and the routine goes to the step 307.

At step 304, the confirmation switch 6
If 5 has been pressed, the emergency switch 80 malfunctions,
Alternatively, the controller 91 determines that the user does not want to open the door plate 7 for some reason, and keeps the door plate 7 closed.

The half-opening control of the door plate 7 may be performed by remote control of a facility manager. In this case, for example, if the user does not respond to the question from the administrator using the communication line at the communication terminal in the room 1 even though the confirmation switch 65 is pressed, the administrator sets the door 7 Should be forced to a half-open state.

Alternatively, the following control can be performed on the assumption that the suspicious person enters the room 1 together with the user and the suspicious person activates the confirmation switch 65. That is, the image data obtained by the monitoring camera separately provided in the room 1 is checked by a manager via a communication line, and if an abnormal situation occurs in the room 1, the door plate 7 is controlled to be in a half-open state. It is.

[0078]

According to the present invention, it is possible to provide a pivoting door device capable of smoothly pivoting a door plate without complicating the structure of the pivoting door.

Further, it is possible to provide a revolving door device capable of controlling the rotating operation of the revolving door comfortably and safely for a user. Further, it is possible to provide a revolving door device capable of reducing a load on the device with respect to a rotating operation of the revolving door.

Further, it is possible to provide a revolving door device capable of promptly responding to an emergency in a room. Further, it is possible to provide a revolving door device in which the door plate can be smoothly rotated without increasing the height of the entire revolving door.

[Brief description of the drawings]

FIG. 1 is a plan sectional view for explaining a configuration near a ring body in an embodiment of a revolving door device of the present invention.

FIG. 2 is a side cross-sectional view of the vicinity of the ring body at a center portion for explaining a configuration near the ring body in the embodiment.

FIG. 3 is a side sectional view of a driving device according to the embodiment, with a part thereof omitted;

FIG. 4 is a plan view of a driving device according to the embodiment.

FIG. 5 is a front view of a driving device according to the embodiment.

FIG. 6 is a rear view of the driving device according to the embodiment.

FIG. 7 is a cross-sectional view illustrating a configuration of a lower roller and an upper roller in the embodiment.

FIG. 8 is a side sectional view of the embodiment with a part of the chamber omitted.

FIG. 9 is a perspective view for explaining a rotation operation of the door plate in the embodiment.

FIG. 10 is a perspective view for explaining a rotation operation of the door plate in the embodiment.

FIG. 11 is an overall perspective view showing a non-use state of a room in the embodiment.

FIG. 12 is an overall perspective view of a chamber showing a halfway rotation of a door plate in the embodiment.

FIG. 13 is an overall perspective view showing an indoor use state in the embodiment.

FIG. 14 is a side cross-sectional view of the braking device according to the embodiment with a part thereof omitted;

FIG. 15 is a diagram illustrating a configuration centering on a computer in the embodiment.

FIG. 16 is a diagram illustrating a control flow of a control unit in the embodiment.

FIG. 17 is a diagram illustrating a control flow of a control unit in the embodiment.

FIG. 18 is a diagram illustrating a control flow of a control unit in the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Room 2 Wall part 3 Ring body (door board support means) 7 Door board 10 Support body (ring body support means, door board support means) 11 Annular plate 12 Lower roller 12a First lower roller 12b Second lower roller 13 Upper roller DESCRIPTION OF SYMBOLS 16 Roller support body 21a, 21b Shaft part 22 Inner ring 50 Drive device (drive means, door plate support means) 51 Drive roller 58 Spring body (drive roller biasing means) 70 Braking device (brake means, door plate support means) 71 Braking Roller 78 Spring body (braking roller biasing means) 81a First sensor (door position detecting means) 81b Second sensor (door position detecting means) 83a Third sensor (door position detecting means) 83b Fourth sensor (door position detecting means) ) 84 fifth sensor (door plate detecting means) 86 first tape switch (obstacle detecting means) 87 second tape switch (obstacle detecting means) 9 1 control unit

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2E052 AA02 BA02 DA09 DB09 EA05 EB01 GA06 GA08 GB06 GB12 GD03 GD05 GD09 HA01 HA04 KA01 KA08 KA12 KA13 KA15 KA16 KA25 KA27

Claims (6)

[Claims] 1. A ring body having an annular shape in plan view; ring body support means for rotatably supporting the ring body around a center of curvature of the ring body; driving means for rotating the ring body; A revolving door device comprising: a braking means for braking the rotation of a body; and a door plate suspended from the ring body and having a convex surface and a concave rear surface. 2. The apparatus according to claim 1, wherein the driving unit includes a driving roller that contacts the ring body, and a driving roller urging unit that controls the driving roller to contact the ring body with a predetermined urging force. The revolving door device according to claim 1, wherein: 3. The braking device according to claim 1, further comprising: a braking roller that contacts the ring body; and a braking roller biasing unit that controls the braking roller to contact the ring body with a predetermined biasing force. The revolving door device according to any one of claims 1 to 2, wherein 4. A door position detecting means for detecting a rotational position of the door plate, and a signal from the door position detecting means is inputted and an instruction signal is outputted to the driving means and the braking means, so as to open and close the door plate. The controller according to any one of claims 1 to 3, further comprising: a controller configured to control a rotation speed of the door plate in accordance with the step. 5. An obstacle detecting means for detecting an obstacle on a rotation path of the door plate, and an instruction signal for stopping the driving means and activating the braking means when a signal from the obstacle detecting means is inputted. The revolving door device according to any one of claims 1 to 4, further comprising: a control unit configured to output an output. 6. A door plate having a convex surface and a concave rear surface, a door plate supporting means for rotating the door plate around a center of curvature of the door plate, and a door plate. An emergency detection means for detecting an emergency state in the room to be closed, and an instruction signal to the door plate support means so that when the signal from the emergency detection means is inputted, the door plate is in a half-open state. A revolving door device comprising: