JP2009057700A - Automatic revolving door opening in both directions - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an automatic revolving door with an access to be opened at its double sides for quickly securing an opening width required for persons to come and go, and lengthening a time for persons to come and go to reduce congestion at the access, while monitoring the movement of persons with the operation of the automatic revolving door to predict dangerous conditions and actualize safe operation with danger avoiding control. <P>SOLUTION: A side wall is parted into a fixed side wall portion 2 and a storage side wall portion 1, and the fixed side wall portion 2 can be stored. The storage side wall portion 1 is stored in the direction of counter revolution. The storage side wall portion 1 is stored at a timing after a space as a section is closed at its entrance side. The storage side wall portion 1 is restored at a timing while it follows a revolving door body. The storage side wall portion 1 and the revolving door body are moved in the directly opposite directions and so quickly opened similarly to double doors. Thus, a time for persons to come and go is lengthened to reduce congestion at the access. A TV camera is used to monitor the movement of persons and their approach to dangerous regions. A degree of danger is previously known, and the operation of the revolving door is safely controlled. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention provides an automatic revolving door that opens in both directions, quickly securing the opening width necessary for people to enter and exit at the entrance, and reducing the congestion at the entrance and exit by increasing the time that people can enter and exit. It relates to an automatic revolving door that smoothes the flow of air.

Further, the present invention relates to an automatic revolving door in which high-risk avoidance control is performed by monitoring the movement of a person for safe operation of the automatic revolving door and predicting the approach of a person to a dangerous area in advance.

  Large automatic revolving doors driven by motors, etc., are often used as buildings grow larger, but they are used by an unspecified number of people, from infants to the elderly, and require a high level of safety. .

Large-sized automatic revolving doors allow a large number of people to go in and out, so at the entrance and exit, the opening width necessary for the passage of people is secured quickly, and the time that people can enter and exit is increased to reduce congestion. .

As a safety measure in the operation of automatic revolving doors, methods such as detecting abnormalities with sensors etc. and controlling the rotation of the doors are adopted, but predicting human behavior and predicting approach to dangerous areas in advance etc. There is a need for further improvements in safety.
JP 2002-030866 A JP 2001-032642 A JP 2002-194959 A JP 05-000873 A

  The automatic revolving door is inside the arc-shaped side walls provided on the left and right of the entrance of the building, and inside the both side walls by the revolving door body that is composed of four, three or two doors radially around the rotation axis. The space is divided into four sections, three sections, or two sections, and the revolving door body rotates in one direction around the rotation axis, but the area of the section is large as a large automatic revolving door that many people enter and exit. An automatic revolving door composed of three or two doors is suitable for widening.

At the time of opening of the entrance / exit, the time required for the person to enter and exit is lengthened by quickly securing the opening width necessary for the person to enter and exit like a double door that opens in both directions.

As a large-sized automatic revolving door for many people to enter and exit, it is necessary to widen the opening width of both arc-shaped side walls and reduce the congestion at the entrance and exit as well as the area of a large section, ensuring the opening width quickly. And make the time that people can go in and out as long as possible.

In addition, there is a need for a means to avoid dangers such as pinching between the side walls and the revolving door body, but since the revolving door has a large inertial force, it is predicted in advance that people will approach the danger area and the revolving door is By controlling, a high level of avoidance means is provided to prevent danger.

  The previous invention (Japanese Patent Application No. 2004-139493) is one method for solving this problem, but the present invention is a further improvement.

  The revolving door has a space that can be divided into sections by both sides of the arc and the revolving door that rotates in one direction (counterclockwise), but a large number of people can enter and exit at once as a large automatic revolving door. Since it can do, the rotation door of the rotation door body comprised by the three doors or two doors from which the area of the space used as a division becomes large is suitable.

Three-door or two-door revolving doors are suitable as large revolving doors with a large area, but both have their merits and demerits, and it is up to the designer to decide which one to use.

The disadvantage of the three-door revolving door is that the area of the compartment is narrower than that of the two-door revolving door, but the advantage is that it will not stop the flow of people because it will not close the opening of the side wall, and it will be smooth It becomes the flow of people.

The advantage of the double door revolving door is that the area of the section is wide, but the disadvantage is that the opening of the side wall is closed and the flow of people is stopped once.

Both of the revolving doors can be provided with arcuate sleeve doors that are inscribed in the both side walls at the outer end of the door, thereby widening the width of the opening on the side wall.

The space divided into sections by both side walls and the revolving door body enters and exits from the opening on the open side by rotation of the revolving door body in one direction (counterclockwise) around the rotation axis, and is closed by rotation. After that, the opening on the opposite side is opened and the person enters and exits, and the person can enter and exit the building through a space divided into rotating sections.

Since the revolving door body rotates in one direction, the opening of the side wall can be divided into compartments, and a side where the opening starts and a side where the opening ends (the side to be closed) are formed.

The automatic revolving door needs to be always closed between both side walls with a revolving door body so that the space that forms the revolving door does not communicate with the inside and outside of the building.

For this purpose, the arc angle including the side wall and the sleeve door 4 is required to be 120 degrees in the case of the three-door door, and the arc angle including the side wall and the sleeve door 4 is required in the case of the two-door door. It needs to be 180 degrees.

By making it possible to store the width of a part of the side wall, it is possible to widen the opening width of the side wall and quickly secure the opening width necessary for people to enter and exit. The storage side wall 1 that can be stored on the side where the opening of the side wall starts is provided, and the storage side wall 1 can be stored on the side of the fixed side wall 2 in the direction opposite to the rotation direction.

The storage side wall 1 is stored at a timing as fast as possible in the direction opposite to the rotation direction after the entrance side of the compartment is closed.

Since the rotation direction of the sleeve door 4 of the revolving door and the storage direction of the storage side wall 1 are opposite to each other, it is possible to quickly secure an opening width necessary for people to enter and exit like a double door that opens in both directions. .

As a timing for returning the stored storage side wall 1, the storage side wall 1 is returned following the sleeve door 4 of the subsequent door body.

As a danger avoidance means in the operation of the revolving door, it is equipped with TV cameras 8 and 9 to monitor the movement of the person, analyze the movement of the person by image analysis with a computer, predict the approach of the person to the dangerous area in advance, Control of operation such as deceleration and stoppage of the revolving door is performed based on the advanced risk prediction judgment.

  By providing the storage side wall portion 1 on the side wall and storing it in the counter-rotating direction when the space to be partitioned is opened, the opening width necessary for entering and exiting can be secured quickly, so that the time that can be entered and exited becomes longer, and the opening of the entrance / exit Widening makes it possible to reduce congestion at the doorway.

TV cameras 8 and 9 are provided as danger avoidance means in the operation of revolving doors, monitoring the movement of people, predicting the movement of people by computer analysis and predicting the approach to the dangerous area in advance. It is possible to safely control a revolving door that has a force and requires a stopping distance.

  By providing the storage side wall portion 1 on the side wall and storing it in the counter-rotating direction on the side of the fixed side wall portion 2, the opening width of the entrance / exit can be secured quickly, and the time during which people can enter and exit can be lengthened, so that congestion at the entrance / exit can be reduced .

TV cameras 8 and 9 are provided as risk avoidance means, monitoring human movements, predicting approach to dangerous areas by computer analysis, performing advanced risk avoidance control using computers, and using computer learning functions Measure the improvement of safe operation of the revolving door.

Safety can be improved by using it as a risk avoiding means overlapping with a conventional safety device using a sensor and using it together with a safety device such as a buffer.

Embodiments of the present invention will be described with reference to the drawings.
1 and 2 show an application of the present invention to a three-door revolving door provided with a sleeve door 4, and a rotation formed in a Y shape by three doors inside the arc-shaped side walls. The door body rotates in one direction around the rotating shaft 5 and is divided into three sections by the rotating door body. The door is provided with arc-shaped sleeve doors 4 inscribed in the both side walls at the outer ends. It rotates counterclockwise by the power of the motor etc. inside.

The arc-shaped sleeve door 4 provided at the outer end of the door is narrower than the width of the opening on both side walls and does not close the opening of the side wall. The sleeve door 4, the storage side wall 1, and the fixed side wall The arc angle with 2 added is set to 120 degrees that divides the circumference into three equal parts.

A person who enters and exits the building enters and exits the building through a space divided by a revolving door body 3 and a side wall composed of a door and a sleeve door 4, and the space divided into compartments is rotated by one direction. After the entrance of the building is closed, the exit is opened in the opposite direction, so that the space that becomes the compartment rotates in one direction, the side wall opening has a side that opens as an entrance and a side that closes as an entrance and exit. Are configured not to communicate at the same time.

The side wall portions 1 are provided on both side walls so that a part of the width can be stored, and the opening of the outlet on the opposite side starts after the entrance side of the space to be partitioned is closed. Since the movement directions of the storage side wall 1 and the sleeve door 4 are opposite to each other, the opening width necessary for entering and exiting a person can be secured quickly like a double door that opens in both directions. Since the time can be lengthened, congestion at the entrance and exit can be reduced.

The timing for returning the stored storage side wall 1 may be returned by following the back of the sleeve door 4 of the subsequent rotating door body, and the state of the return is shown on the right side of FIG.

The revolving door is equipped with TV cameras 8 and 9 to predict human movements during driving and to avoid dangers, and it is dangerous to determine the approach or fall of humans based on high-level judgment based on computer image analysis. Depending on the degree, operation control such as deceleration and stop is performed, and when an abnormality occurs, an abnormal signal is sent to the staff and necessary measures are taken.

As a place to be monitored by the TV camera, the TV camera 8 is a place where the intrusion of the person can be seen through the opening of the side wall where the side wall and the rotary door are likely to be caught, and the TV camera 9 is caught between the rotary door and the floor. It is provided in a place where you can see the front part of the door.

FIGS. 1 and 2 show an embodiment of the present invention, which is a three-door revolving door provided with a sleeve door 4. The sleeve door 4 has an arc angle of 20 degrees, an arc angle of the fixed sidewall portion 2 of 50 degrees, and a storage side wall. The fixed side wall 2 is drawn inside and outside the building with a circular arc angle of 50 degrees.

The state of the left side wall shown in FIG. 1 shows a state in which the lower storage side wall 1 is returned following the rear end of the sleeve door 4, and the subsequent sleeve door 4 is closed. Yes, storage of the storage side wall 1 starts from this point, and the state of the right side wall indicates a state in which the storage side wall 1 is stored.

In the state of the left side wall shown in FIG. 2, the storage side wall 1 on the lower side starts to be stored, and the state of the side wall shown on the right side indicates that the storage side wall 1 is at the rear end of the sleeve door 4. It shows the state of following and starting recovery.

Sensors are provided for detecting the closing of the entrance / exit, the detection of the storage end and the return end of the storage side wall 1, and the storage and return by the motor or the like are controlled by this signal.

As an advantage of a three-door revolving door provided with a sleeve door 4, as shown in FIG. 1, the opening of the side wall is not closed, so that the flow of people is not stopped, and the person entering is from the open side. A person who can enter and exit can exit after the storage side wall portion 1 is stored, thereby reducing congestion at the entrance / exit.

  TV cameras 8 and 9 are provided for safe operation of the revolving door. The TV camera 8 is for preventing a pinch accident at the entrance, and is provided in a place overlooking the person entering the danger area. The TV camera 9 is for preventing accidents between the revolving door body and the floor and for looking over the front of the revolving door body and finding a fall or the like.

The images of the TV cameras 8 and 9 are analyzed by a computer, predicting the movement of a person, predicting the approach to the danger area in advance, and having a large inertial force and a stop distance required by the computer's high altitude judgment. Control driving and use learning functions to increase safety.

  3 and 4 show the application of the present invention to a two-door revolving door provided with a sleeve door 4, and the inner sides of the arc-shaped side walls are divided into two sections by the two doors, and the outer end of the door. Is provided with arc-shaped sleeve doors 4 inscribed in both side walls, and rotates counterclockwise by the power of a motor or the like inside the side walls.

The arc-shaped sleeve door 4 provided at the outer end of the door is equal to the width of the opening on both side walls and closes the opening on the side wall.

People entering and exiting the building enter and exit the building through a space divided into two sections by a revolving door body and side walls composed of two doors and sleeve doors 4, but the space divided into sections is one entrance by rotation After the door is closed, the exit is opened in the opposite direction, and because the revolving door body rotates in one direction, there are a side opened as the exit and a side closed as the entrance at the opening of the side wall. It is configured not to do anything.

The side walls 1 are provided on both side walls so that a part of the width can be accommodated in the counter-rotating direction of the revolving door, and the opening of the opposite outlet starts after the entrance side of the space to be partitioned is closed. By storing the storage side wall portion 1 at the same time, since the storage side wall portion 1 and the sleeve door 4 are opened in opposite directions, it is possible to quickly secure a passage width in which people can enter and exit, and to increase the time in which people can enter and exit. So you can ease the congestion at the entrance.

What is necessary is just to make it return by making it follow the back of the sleeve door 4 of a subsequent rotation door body as a timing which returns the accommodated storage side wall part 1. FIG.

FIGS. 3 and 4 show an embodiment of the present invention, which is a two-door revolving door provided with a sleeve door 4. The sleeve door 4 has an arc angle of 50 degrees, an arc angle of the fixed sidewall portion 2 of 70 degrees, and a storage side wall. The fixed side wall 2 is drawn inside and outside the building with the arc angle of the part 1 being 60 degrees.

The state of the side wall shown in FIG. 3 is a state in which the storage side wall portion 1 on the lower side returns following the rear end portion of the sleeve door 4, and the subsequent sleeve door 4 is closed, From this point of time, the storage of the storage side wall 1 starts in the direction opposite to the rotation direction.

Moreover, in the state of the side wall shown in FIG. 4, since the storage side wall part 1 shows the state which has started storage, since the storage direction of the storage side wall part 1 and the rotation direction of the sleeve door 4 are opposite directions, The required opening width can be secured quickly.

The opening time of the side wall can be widened by providing the storage side wall portion 1 and the opening time of the sleeve door 4 can be narrowed by shortening the opening time, which is a disadvantage of the two-door revolving door.

The strategy for safe operation of the revolving door is the same as the method provided for the revolving door of the three doors.

If the sleeve door 4 can be slid rearward without being fixed in both of the revolving doors, it can be used as a buffering portion when sandwiched, and an operation sensor can be provided to stop the operation of the revolving door.

In this figure, the storage side wall 1 is stored in a manner in which the fixed side wall 2 and the storage side wall 1 have a circular sliding door, but the storage side wall 1 can be smoothly moved in the direction opposite to the rotational direction. It only has to be stored.

Measures to prevent tilting and smooth sliding when uneven force is applied to the top and bottom of the narrow and narrow sleeve door 4 should also be considered. Pinions and bearings fixed vertically are provided on both the movable side and the fixed side to prevent tilting and to smoothly slide the sleeve door 4.

  The arc angle of the side wall is related to the arc angle of the sleeve door 4, and what is added in the three-door revolving door is 120 degrees equal to one third of the circumference, and is added in the two-door revolving door. Although the object needs to be 180 degrees, which is a half of the circumference, the arc angle of the storage side wall portion 1 may be obtained as long as the required opening width is obtained, and is left to the designer. And Table 2 exemplifies those indicated by the arc angle.

In the drawing, the fixed side wall 2 is doubled, but one is for protecting the storage side wall 1 of the movable part.

Although not shown in the drawing, the fixed side wall portion 2, the storage side wall portion 1 and the sleeve door 4 need an appropriate overlap margin for maintaining airtightness.

In the event of an emergency such as a fire or earthquake, it is possible to secure an evacuation passage by placing the storage side wall 1 in the storage position by a signal and stopping the rotating door body at the emergency position. Shows the stopped state.

The present invention is intended to increase the convenience and safety of an automatic revolving door.

Cross-sectional view of Example 1 in which the present invention is applied to a three-door revolving door Cross-sectional view of Example 1 in which the present invention is applied to a three-door revolving door Cross-sectional view of Example 2 in which the present invention is applied to a two-door revolving door Cross-sectional view of Example 2 in which the present invention is applied to a two-door revolving door Cross section of the emergency stop position of the three door revolving door Cross section of the emergency stop position of the double door revolving door

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Storage side wall part 2 Fixed side wall part 3 Revolving door body 4 Sleeve door 5 Rotating shaft 6 Storage direction 7 Return direction 8 Television camera 9 Television camera

Claims (2)

  The revolving door is inscribed inside the arc-shaped side wall, and the revolving door body rotates in one direction (counterclockwise) around the rotation shaft 5, and the space defined by the side wall and the revolving door body rotates. In this way, people can enter and exit the building via the partitioned space, but in order to alleviate the crowd of people entering and exiting, the width of the opening on the side wall is widened to quickly secure the opening width necessary for people to enter and exit. The side wall is divided into a fixed side wall portion 2 and a storage side wall portion 1 so that the storage side wall portion 1 can be stored in the direction opposite to the rotation direction on the side of the fixed side wall portion 2 in order to increase the time in which people can enter and exit. The rotary door body has three or two doors attached at an equal angle outward with the rotary shaft 5 as the center, and a sleeve door 4 in a shape inscribed in the side wall at the outer end of the door. The storage side wall 1 is stored in the opposite direction to the rotation direction. Like the double door that opens, it can quickly secure the opening width necessary for people to enter and exit, and it is stored as fast as possible after the doorway at the rear of the space is closed as the storage side wall 1 storage timing And the storage side wall portion 1 is returned in a form that follows the back of the sleeve door 4 of the subsequent revolving door body, and has three sleeve doors 4 suitable as a large revolving door. This is applied to a revolving door of a door or a two-door revolving door provided with a sleeve door 4, and in a three-door revolving door provided with a sleeve door 4, the fixed side wall portion 2, the storage side wall portion 1 and the sleeve door 4. The angle of the arc is 120 degrees, and in the case of the double door revolving door provided with the sleeve door 4, the fixed side wall 2, the storage side wall 1 and the sleeve door 4 are added. The angle is 180 degrees, and storage and return, etc. are detected at the storage end and return end. It is controlled by a sensor signal and is performed by a motor, etc., so that the opening width can be quickly secured, so the time for people to enter and exit can be lengthened, and the opening width of the side walls can be widened, thus reducing congestion at the entrance and exit. It can be measured and facilitates the entry and exit of people, and is characterized in that it has a storage side wall portion 1 that can store a part of the width of the arc-shaped side wall in the direction opposite to the rotation direction, and is inscribed The three-door and two-door automatic revolving doors with sleeve doors 4 are characterized in that they are made of a revolving door body that rotates in one direction.   For safe driving of automatic revolving doors, the movement of people entering and exiting and the state of people are monitored by TV cameras 8 and 9, and human movements are predicted by image analysis using a computer, so that people can approach the danger area in advance. As a result, the TV camera 8 is used as a place for monitoring by installing a TV camera, and the space that becomes a partition is closed at the opening of the side wall. The TV camera 9 is provided in a place where the person who enters and exits can see and the TV camera 9 is provided in a place where the revolving door body can be seen to fall forward in order to prevent the revolving door body and the floor from being caught. A method of safely driving an automatic revolving door by predicting a high degree of danger based on the analysis of the movement of the vehicle and performing operation control such as deceleration and stop according to the degree of danger by advanced danger avoidance control.