JP2007051447A - Automatic revolving door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an automatic revolving door usable by everybody with ease and at their own paces by eliminating accidents due to pinching while preferring the life. <P>SOLUTION: The door body of this automatic revolving door is formed rotatably around the axis while the end edge of the door is in proximity to the inner surface of a fixed wall. The automatic revolving door comprises an infrared transmitting device 36 and an infrared receiving device 38 detecting the rotating position of the door body, a brake device 64 braking the door body, and a door control part 71 stopping the rotation of the door body by operating the brake device 64 when the infrared receiving device 38 detects that the door body is rotated to a position where an access port is opened and, after a predetermined time is passed, starting the rotation of the door body by a motor 25. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an automatic revolving door that rotates a door around a rotation spindle by a drive mechanism, and more particularly to an automatic revolving door that prioritizes human life.

As disclosed in, for example, Patent Document 1, an automatic revolving door that has been conventionally used includes a cylindrical side wall that is located on the inside and outside of a building and has a doorway, and a plurality of doors with respect to an axis. A door main body that is arranged radially and is provided so as to be rotatable about an axis while the edge of the door is close to the inner surface of the side wall, a drive unit that applies a rotational driving force to the door main body, and a door And a control unit that controls the rotation of the main body, and is configured to allow passage when the door main body is rotated by a drive signal from the control unit to the drive unit. At this time, the entrance / exit provided on the side wall is structured to block the inside and outside of the building by at least two rotating doors, so that outside air does not directly enter the building and is kept airtight. It has the advantage that air conditioning costs such as air conditioning costs can be reduced.
Japanese Patent No. 2540579

  The automatic revolving door as described above does not require a person to turn the door and has the advantage that it can be applied to an increase in size, but the rotation speed of the door must be set according to the timing when the person enters the door body. In addition, in order to stop or reverse the door, you must rely on a separate safety device.

  As an example of such a safety device, it is known that a sensor is provided near the door to prevent an accident that a person is caught between the door and the side wall, but if the sensing range of the sensor is not set correctly, For example, it causes safety problems such as being unable to catch the movement of the child.

  In recent years, automatic revolving doors are made of stainless steel instead of the conventional aluminum frame in order to improve the appearance of the revolving door itself while maintaining harmony with the outer wall of the building. Weight is increasing. For this reason, even if the sensor detects a danger and tries to stop the rotation of the door body, the braking distance until the door body stops completely becomes longer. Is not obtained.

  As described above, the existing automatic revolving door structure cannot completely eliminate accidents during use by the user, and cannot eliminate mental anxiety about such accidents. In addition, there is a demand for a rotary automatic door that can be used conveniently without any anxiety, and can pass through the door body at its own pace without being anxious, even for the elderly, children, and handicapped people.

  The present invention has been made in view of the above-mentioned problems, and an object thereof is to provide an automatic revolving door that can be used at anyone's own pace with peace of mind. There is.

  The automatic revolving door according to claim 1 comprises a cylindrical side wall located on the inside and outside of the building, each having a doorway, and a plurality of doors arranged radially with respect to the axis, the edge of the door An automatic revolving door comprising: a door main body that is provided to be rotatable about the shaft core in a state of being close to the inner surface of the side wall; and a drive unit that applies a rotational driving force to the door main body. A position detecting unit for detecting the rotational position of the door and a braking unit for braking the door main body, and when the position detecting unit senses that the door main body has rotated to a position where the doorway opens, the braking unit A door control unit is provided that stops the rotation of the door body and starts the rotation of the door body by the drive unit after a predetermined time has elapsed.

  According to a second aspect of the present invention, the automatic revolving door further includes a display control unit that displays on the display unit whether or not the entrance to the doorway is possible based on the detection of the position detection unit.

  The automatic revolving door according to claim 3 is characterized in that the display control unit causes the display unit to display that the entry to the entrance is permitted when the door body stops.

  An automatic revolving door according to claim 4 includes a breaker provided in the vicinity of the doorway, and a breaker that opens the breaker only during a period in which the rotation of the door body is stopped based on the detection of the position detection unit. And a control unit.

  The automatic revolving door according to claim 5 includes the rotating main shaft having the door main body positioned on the shaft core and pivotally supported, and the door having one side connected to the rotating main shaft.

  The automatic revolving door according to claim 6 is characterized in that a reinforcing frame is provided around the door, and the frame is made of aluminum.

  In the automatic revolving door according to the first aspect, when the door body rotates to a position where the doorway opens, the brake unit stops the rotation of the door body so that a person or the like can enter or leave the doorway. And since the state in which the rotation of the door body is stopped continues for a certain period of time, anyone can enter the door body without any difficulty and comfortably according to the movement of his / her foot. Moreover, as long as the rotation of the door body is stopped, an accident in which a person is caught between the side wall and the edge of the door does not occur. When the fixed time elapses, the door body automatically starts to rotate, so that the user can go to the entrance / exit on the opposite side without anxiety according to the rotation.

  In the automatic revolving door according to the second aspect, the user can immediately determine whether or not the entrance to the entrance is possible by the display unit.

  In the automatic revolving door according to the third aspect, when the door main body is stopped, the display unit displays that the entry to the entrance is permitted, so that the user can be guided to the entrance more safely.

  In the automatic revolving door according to claim 4, since the circuit breaker descends so that a person cannot enter or exit from the entrance / exit at least during the period when the rotation of the door main body is stopped, it is surely prevented from forcibly entering and exiting the entrance / exit. it can.

  The automatic revolving door according to claim 5 has a structure in which the door main body rotates in a state in which the rotation main shaft is pivotally supported. It is possible to prevent a person from being caught in the gap between and the braking effect.

  In the automatic revolving door according to the sixth aspect, the frame that reinforces the peripheral portion of the door is formed of aluminum that is lighter than stainless steel. Therefore, the inertia at the time of braking of the door main body can be minimized and the braking effect can be enhanced. .

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. FIGS. 1-7 has shown the structure of the automatic revolving door in a present Example, In these each figure, 1 is the cylindrical fixed wall provided in the opening part of the outer wall 2 which is going to comprise the entrance / exit of a building On the inner side and the outer side of the fixed wall 2, entrances 3, 3 that secure a passage through which a person can pass are provided at symmetrical positions orthogonal to the outer wall 2 extending radially through the position of the axis C. Opened and remaining arcuate fixed walls 1 and 1 face each other. Further, 5 is a floor member provided so as to close the lower opening of the fixed wall 1, 6 is a ceiling member provided so as to close the upper opening of the fixed wall 1, and the floor member 5 is flush with the pavement K. It is embedded in the pavement K so that it becomes. An annular concave roller track 8 is formed on the floor surface member 5 around the axis C. The fixed wall, the floor member 5 and the ceiling member 6 constitute an exterior 9 that surrounds the outer periphery of the door body 11, which will be described later, and a space that allows people to pass between the fixed wall 1 and the door body 11. Is formed.

  Reference numeral 11 denotes a door main body that is rotatably provided in the fixed wall 1, and the door main body 11 is disposed radially with respect to the rotation main shaft 12 provided at the position of the axis C and the rotation main shaft 12. The plurality of doors 13 made of a transparent plate such as acrylic resin or glass, and a frame 14 as a frame material that trims and reinforces the periphery of the door 13. The rotation main shaft 12 is pivotally supported by ball bearings 15 and 16 provided on the floor member 5 and the ceiling member 6, respectively, and the lower end portion 12A and the upper end portion 12B thereof are rotatable with respect to the bearing members 17 and 18. Thus, the door main body 11 is pivoted in a state where the edge of the door 13 is close to the inner surface of the fixed wall 1. The material of the frame 14 is aluminum in order to reduce the weight of the door body 11. Thereby, the inertia at the time of braking of the door main body 11 can be suppressed to the minimum, and the braking effect can be enhanced.

  Reference numeral 21 denotes a drive unit that applies a rotational force to the door body 11. The drive unit 21 in this embodiment is placed on a holding plate 23 that is bridged on bridge piers 22 that are erected on both sides of the exterior 9, and is connected to a motor 25 as a drive source and a rotating shaft of the motor 25. The rotation speed reduction device 26 and the endless belt 27 suspended between the output shaft 26A of the speed reduction device 26 and the main driving wheel 12C of the rotation main shaft 12 are configured to directly apply a rotational force to the rotation main shaft 12 of the door body 11. Configured. Among these, the reduction gear 26 is constituted by a plurality of well-known gears. In the door main body 11 of this embodiment, since the rotation main shaft 12 is pivotally supported at the center thereof, even if a gust blows from the outside of the building through one of the entrances 3, the door main body 11 can be prevented from rolling. It is possible to prevent a person from being caught in the gap between the fixed wall 1 and the edge of the door 13, and also in this case, the braking effect can be enhanced.

  A plurality of rollers 31 are rotatably provided at the bottom of the frame 14 and along the roller track 8 formed on the floor member 5 as the door body 11 rotates about the rotation main shaft 12. These rollers 31 are designed to move. The number of rollers 31 is not particularly limited, but it is desirable that the gap between the floor member 5 and the bottom of the frame 14 be as small as possible to prevent pinching.

  An infrared device 35 is provided above the holding plate 23. The infrared device 35 corresponds to a position detection unit that detects the rotational position of the door body 11, and includes a light projecting unit 37 that includes two infrared projectors 36 that rotate together with the rotary main shaft 12, and an upper surface of the holding plate 23. A light receiving unit 39 provided with an infrared light receiver 38 at a position that can be opposed to the infrared light projector 36, and a DC power supply that is mounted on the upper surface of the light projecting unit 37 and electrically connected to each infrared light projector 36. The U-type embedded circuit 40 and an infrared guide circuit 41 that contacts the rotatable U-type embedded circuit 40 and supplies a DC voltage from the light receiving unit 39 to each infrared projector 36 are configured. In the infrared receiver 38 in this embodiment, when the door main body 11 moves to a position where the passage 10 formed between the fixed wall 1 and the door main body 11 coincides with the entrances 3 and 3, It is configured to receive infrared rays.

  In addition, a hydraulic blade 43 that generates a braking force for the door body 11 is provided on the upper portion of the rotary main shaft 12. The hydraulic blade 43 and the infrared device 35 are disposed at the upper part of the exterior 9 in consideration of maintenance, but may be disposed at the lower part of the exterior 9.

  Obstacle sensors 48 for detecting whether or not an obstacle such as a person is present in the vicinity of the entrance 3 are provided on both sides of each entrance 3. As is well known, the obstacle sensor 48 is constituted by a combination of a sensor projector 48A that emits infrared rays and the like, and a sensor light receiver 48B that is arranged to oppose the sensor projector 48A. Although the number of obstacle sensors 48 used here is three, the number and locations of the obstacle sensors 48 are not particularly limited as long as the presence of the obstacle can be reliably detected. In addition, a signal lamp 49 as a display unit for displaying whether or not entry into the entrance 3 is possible is provided above each entrance 3. Instead of the signal light 49, for example, an LED display may be used. In this embodiment, a green lamp is lit when entry to the entrance / exit 3 is possible according to the detection output of the infrared device 35 (that is, when the door body 11 is stopped), and otherwise. In the case of, the red lamp blinks. Such a display form is merely an example, and another display form that alerts the user may be adopted.

  51 is a circuit breaker provided on the front side in the vicinity of each doorway 3. The circuit breaker 51 is for preventing a person from jumping into and out of the entrance / exit 3, and a fixed base 52 installed on one side of the entrance / exit 3 and rotating in the vertical direction around the fixed base 52. The housing 53 is configured to rotate upward so that a person can enter the doorway 3 at least during a period in which the rotation of the door body 11 is stopped, and is held in that position. It is like that. The casing 53 is composed of a metal core tube and a hard rubber as an exterior body around the core tube, and a sensor (not shown) provided on the hard rubber is connected to the circuit breaker 51. When contact is sensed, an alarm signal is output, for example, an alarm sound is notified.

  Next, the configuration of the electrical control system will be described with reference to FIG. Reference numeral 61 denotes a control unit constituting each part of the automatic revolving door, which is constructed by, for example, a known sequencer or microcomputer. An emergency switch 62 is connected to the input side of the control unit 61 in addition to the above-described infrared light receiver 38 and sensor light receiver 48B which is a light receiving unit of the obstacle sensor 48. Further, on the output side of the control unit 61, a motor 25 that is a drive source of the door body 11, a signal lamp 49 as a display unit, a circuit breaker 51, a silencer 63 that reduces noise during operation of the motor 25, By mounting the hydraulic blade 43, the brake device 64 that functions as a braking unit of the door body 11, the infrared projector 36, and the sensor projector 48A that is a projector unit of the obstacle sensor 48 are connected.

  As shown in FIG. 7, the emergency switch 62 is provided at the upper part on both sides of each doorway 3. When the emergency switch 62 is pressed, a drive signal is forcibly given to the brake device 64 and the rotation of the door body 11 is stopped. Further, even when the sensor light receiver 48B constituting the obstacle sensor 48 detects the presence of an obstacle, a drive signal is forcibly given to the brake device 64, and the rotation of the door body 11 is stopped. Yes.

  As a functional configuration, the control unit 61 receives a detection signal from the infrared receiver 38 and outputs a drive signal to either the motor 25 or the brake device 64, resulting in the rotation of the door body 11. The motor includes a door control unit 71 that controls the operation, a signal lamp control unit 72 as a display control unit that controls the display operation of the signal lamp 49, and a circuit breaker control unit 73 that controls the lifting and lowering operation of the circuit breaker 51. A silencer controller 74 that operates the silencer 63 in conjunction with the projector, a projector controller 75 that controls the operation of the infrared projector 36 and the sensor projector 48A, and a timer 77 that determines the operation timing of each of the controllers 71 to 75. , And is configured.

  In the control unit 61, the door control unit 71 is configured such that the infrared receiver 38 of the infrared device 35 indicates that the door body 11 has been rotated to a position where the entrance 10 faces the entrances 3 and the entrances 3 open. Upon detection, a drive signal is supplied to the brake device 64 to stop the rotation of the door body 11, and after a certain time (for example, 20 seconds) has elapsed from the time measured by the timer 77, the motor 25 of the drive unit 21 is now turned on. It has a function of starting the rotation of the door body 11 by supplying a drive signal.

  The signal light control unit 72 does not detect when the infrared device 35 senses that the door body 11 has rotated to the position where the doorway 3 is opened, but when it determines that the door body 11 has stopped after a predetermined time, the doorway 3 It has a function of causing the signal lamp 49 to display that permission to enter is. Further, the circuit breaker control unit 73 raises the casing 53 only during the period when the rotation of the door body 11 is stopped based on the detection of the infrared light receiver 38, and shuts off the casing 53 in other cases. Control machine 51.

  Next, the effect | action is demonstrated about the said structure. When a power switch (not shown) is turned on and a predetermined power supply voltage is supplied to the automatic rotary door, the door control unit 71 of the control unit 61 supplies a drive signal to the motor 25 to start the motor 25. At the same time, the projector control unit 75 sends a control signal for supplying a DC voltage to the infrared projector 36 of the infrared device 35 via the infrared guide circuit 41 and the U-shaped embedded circuit 40, and each obstacle. A control signal for supplying the same DC voltage to the sensor projector 48 of the sensor 48 is sent, and monitoring by the infrared device 35 and the obstacle sensor 48 is started. The monitoring of the infrared device 35 and the obstacle sensor 48 continues unless the power switch is turned off. Further, the control unit 61 continuously monitors whether or not the emergency switch 62 has been pressed unless the power switch is turned off.

  When the motor 25 is energized and the rotational force from the motor 25 is transmitted to the main driving wheel 12C of the rotary spindle 12 through the speed reducer 26 and the endless chain 27, the door body 11 including the rotary spindle 12 and the door 13 is It rotates in the direction of arrow A shown in FIG. In conjunction with the motor 25, the silencer control unit 74 operates the silencer 63 to reduce noise from the motor 25. Then, a detection signal indicating that one of the infrared projectors 36 of the infrared device 35 that rotates together with the rotary spindle 12 has reached a position facing the infrared receiver 38, and that the infrared receiver 38 has captured the infrared rays from the infrared projector 36. Is output to the control unit 61, the door control unit 71 of the control unit 61 determines that the revolving door 11 has reached a position where the person can enter and exit from the entrance 3 (stop position), and immediately outputs a drive signal to the motor 25. Instead of stopping the supply, a drive signal is supplied to the brake device 64 to stop the rotation of the door body 11. In this case, since the frame 14 around the door 13 is made of lightweight aluminum, the door body 11 can be stopped at a short braking distance. Further, the silencer 63 linked with the motor 25 is stopped by the silencer control unit 74.

  The door controller 71 stops the rotation of the door body 11 as described above, and simultaneously operates the timer 77 until the fixed time elapses. The preferred stop time of the door body 11 is 20 seconds, but this stop time can be easily changed by changing the time setting of the timer 77. When the infrared light receiver 38 detects that the door body 11 has reached the stop position, the signal lamp control unit 72 displays a green lamp constituting the signal lamp 49 in order to display that the entry to the entrance 3 is permitted. Lights up. At this time, the signal light control unit 72 does not immediately turn on the green lamp in response to the detection signal from the infrared light receiver 38, but at the time when it is determined that the door body 11 has stopped after a predetermined time by the timer 77. Turn on the green lamp. In this way, it is possible to eliminate the concern that a display prompting the person to enter the entrance 3 is performed in a state where the door body 11 is not completely stopped.

  Further, when the infrared receiver 38 detects that the door body 11 has reached the stop position, the breaker control unit 73 rotates the casing 53 of the breaker 51 provided at each doorway 3 upward. Also in this case, it is preferable that the casing 53 of the circuit breaker 51 is rotated upward when it is determined that the door body 11 has stopped after a predetermined period of time by the timer 77. Thus, when the circuit breaker 51 rotates upward, people can enter and exit through the entrance / exit 3, but the door body 11 remains stopped for a certain period of time, so that children, elderly people, and persons with disabilities are also safe. You can enter the entrance 10 with a peace of mind.

  Eventually, when the time measurement by the timer 77 is completed, the door control unit 61 supplies the drive signal to the motor 25 instead of stopping the supply of the drive signal to the brake device 64. As a result, the door body 11 starts to rotate inside the fixed wall 1. Also, the silencer 63 starts to operate again in conjunction with the motor 25, and the noise from the motor 25 is reduced. Incidentally, the circuit breaker control unit 73 starts the rotation of the casing 53 of the circuit breaker 51 downward before the time of the predetermined time is finished (for example, 5 seconds before), and at least the time when the rotation of the door body 11 starts. Thus, the housing 53 is moved to the horizontal position so that no person enters the entrance 3. In addition, when the rotation of the door body 11 starts, the signal lamp control unit 72 blinks the red lamp constituting the signal lamp 49 to inform the user that the entrance to the entrance 3 cannot be made. Here, the rotational speed of the door main body 11 is set so that it takes about 15 seconds to reach the entrance / exit 3 on the opposite side as a guideline and does not make walking difficult.

  Thus, when the door body 11 rotates and the passage 10 reaches the opposite entrance 3, the other infrared projector 36 that rotates together with the rotary main shaft 12 reaches a position facing the infrared receiver 38, and Thus, the operation of the revolving door 11 stops. That is, each time the entrance 10 faces the entrance 3 and the entrance 3 is opened, the revolving door 11 stops for a certain time, so that the user can enter and exit the entrance 3 with peace of mind.

  As described above, in this embodiment, the fixed wall 1 which is a cylindrical side wall located on the inside and outside of the building and having the entrances 3 and 3 respectively, and the plurality of doors 13 are arranged radially with respect to the axis C. The door body 11 is provided so as to be rotatable about the axis C in a state in which the edge of the door 13 is close to the inner surface of the fixed wall 1, and a drive unit that applies a rotational driving force to the door body 11. In the automatic revolving door provided with 21, an infrared device 35 as a position detecting unit for detecting the rotational position of the door main body 11 and a brake device 64 as a braking unit for braking the door main body 11 are provided, and an entrance / exit When the infrared device 35 senses that the door body 11 has rotated to the position where the door 3 opens, the brake device 64 is operated to stop the door body 11 from rotating, so that a person can enter the entrance 10 from the entrance 3 with a margin. After a certain period of time elapses, the drive unit 21 rotates the door body 11 The is provided a door control unit 71 to start.

  In this case, when the door body 11 rotates to a position where the doorway 3 opens, the brake device 64 stops the rotation of the door body 11 so that a person or the like can enter or leave the doorway 3. Since the state in which the rotation of the door body 11 is stopped continues for a certain period of time, anyone can enter the door body 11 without difficulty and comfortably according to the travel of his / her foot. Further, as long as the rotation of the door body 11 is stopped, an accident in which a person is caught between the fixed wall 1 and the edge of the door 13 does not occur. When the fixed time has elapsed, the door body 11 automatically starts to rotate, so that the user who has entered the passage 10 can head toward the opposite entrance 3 without worrying about the rotation.

  In addition, the present embodiment further includes a signal lamp control unit 72 as a display control unit for displaying on the signal lamp 49 which is a display unit whether or not entry to the entrance 3 is possible based on the detection of the infrared device 35. By the display of the signal lamp 49, the user can immediately determine whether or not the entrance 3 can be entered.

  In addition, the signal light control unit 72 of this embodiment stops the door body 11 after a predetermined time by the timer 77, not when the infrared device 35 senses that the door body 11 has rotated to the position where the doorway 3 opens. When it is determined that the entry has been made, the signal lamp 49 is displayed to permit entry into the entrance 3. In this way, when the door body 11 stops, the signal lamp 49 displays that the entry to the entrance 3 is permitted, so that the user can be guided to the entrance 3 more safely.

  Further, in the present embodiment, the breaker 51 provided in the vicinity of the entrance / exit 3 and the breaker that opens the aforementioned breaker 51 only during the period when the rotation of the door body 11 is stopped based on the detection of the infrared device 35. And a control unit 73. In this way, the breaker 51 descends so that no one can enter or exit from the entrance / exit 3 at least during a period when the rotation of the door body 11 is stopped, so that it is possible to reliably prevent excessive jumping into and out of the entrance / exit 3. .

  The door main body 11 of this embodiment includes at least a rotating main shaft 12 that is pivotally supported by being positioned on the shaft core C, and a plurality of doors 13 that are connected to the rotating main shaft 12 at one side. As a result, the door main body 11 rotates with the rotating spindle 12 being pivotally supported, so that the door 13 does not sway due to a gust from the entrance 3 or the like, and the fixed wall 1 and the door which are side walls It is possible to prevent a person from being caught in the gap between the 13 edges, and to enhance the braking effect.

  Furthermore, in this embodiment, a reinforcing frame 14 is provided around the door 13, and the frame 14 is formed of aluminum. In this way, the frame that reinforces the periphery of the door 13 is formed of aluminum that is lighter than stainless steel, so that the inertia during braking of the door body 11 can be minimized and the braking effect can be enhanced.

  The present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the gist of the present invention. For example, the position detection unit for detecting the rotation position of the door body is not limited to the transmission type optical sensor as in the present embodiment, for example, but a reflection type optical sensor, or one or more mechanical switches. You may comprise by.

It is sectional drawing of the automatic revolving door which shows one Example of this invention. It is a top view of an automatic revolving door same as the above. It is a side view of a door main body same as the above. It is a top view of a door main body same as the above. It is a side view of a position detection part periphery same as the above. It is a top view of a light projection part same as the above. It is a front view of the entrance and exit as above. It is a block block diagram of a control system same as the above.

Explanation of symbols

1 fixed wall 3 doorway
11 Door body
12 Rotating spindle
13 door
14 Framework
21 Drive unit
35 Infrared device (position detector)
49 Signal lamp (display)
51 breaker
64 Brake device (braking part)
71 Door control unit
72 Signal light control unit (display control unit)
73 Circuit breaker controller

Claims (6)

Cylindrical sidewalls located on the inside and outside of the building, each with a doorway;
A plurality of doors arranged radially with respect to the shaft core, and a door body provided to be rotatable about the shaft core in a state in which the edge of the door is close to the inner surface of the side wall;
In an automatic revolving door provided with a drive unit that gives a rotational driving force to the door body,
While providing a position detection unit for detecting the rotational position of the door body and a braking unit for braking the door body,
When the position detection unit senses that the door main body has rotated to a position where the doorway opens, the brake unit stops the rotation of the door main body, and the drive unit rotates the door main body after a predetermined time has elapsed. An automatic revolving door characterized by providing a door control unit for starting the operation. The automatic revolving door according to claim 1, further comprising a display control unit that displays on the display unit whether or not the entrance to the entrance is possible based on sensing by the position detection unit. The automatic revolving door according to claim 2, wherein the display control unit causes the display unit to display that the entrance to the entrance is permitted when the door body stops. A circuit breaker provided in the vicinity of the doorway, and a circuit breaker control unit that raises the circuit breaker only during a period when the rotation of the door body is stopped based on the detection of the position detection unit. The automatic revolving door as described in any one of Claims 1-3 characterized by the above-mentioned. The said door main body is comprised by the rotation main shaft located in the said shaft center, and was supported, and the said door which connected one side to this rotation main shaft, The any one of Claims 1-4 characterized by the above-mentioned. Automatic revolving door described in 1. 6. The automatic revolving door according to claim 5, wherein a reinforcing frame is provided around the door, and the frame is made of aluminum.

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