KR102666015B1 - automatic folding door system including touch sensor module - Google Patents

Abstract

The present invention relates to an automatic folding door device that can ensure safety by stopping the opening and closing operation of the door when the sensor unit is pressurized due to contact with an obstacle during the opening and closing operation of the automatic folding door.
An automatic folding door device having an obstacle detection sensor module according to the present invention includes a folding door unit including first and second doors that are hinged to each other, an opening and closing drive unit that opens and closes the door unit, and a lower end of the first or second door. A guide part including a horizontal member protruding from the horizontal member and a roller member coupled to the lower part of the horizontal member and moving along a guide hole formed in the ground, and is installed on the guide part to prevent the guide part from coming into contact with an obstacle when opening and closing the door part. It includes an obstacle detection sensor module that detects an obstacle, and the obstacle detection sensor module includes a sensor unit installed at the bottom of the door part, a moving plate movably installed on the upper part of the horizontal member, and a moving plate installed on the moving plate so that the moving plate It is characterized in that it includes a pusher that pressurizes the sensor unit when it moves due to contact with an obstacle.

Description

Automatic folding door system including touch sensor module}

The present invention relates to an automatic folding door device having an obstacle detection sensor module. More specifically, the present invention relates to an automatic folding door device that can ensure safety by stopping the opening and closing operation of the door when the sensor unit is pressurized due to contact with an obstacle during the opening and closing operation of the automatic folding door. This relates to an automatic folding door device.

In general, doors used at the entrance to a building are either a hinged door that opens and closes by rotating around a vertical frame on one side or hardware such as a hinge attached to it, or a hinged door that opens and closes by moving horizontally on a groove or rail. It is broadly classified as a sliding door. In addition, a folding door refers to a sliding door in which several individual doors are hinged so that they can rotate with each other and folded or unfolded, and is often used in entrances with a relatively large width. Therefore, a folding automatic door equipped with an electric opening and closing device is used as a protective gate for blocking vehicles at the main entrance of a building where there is a lot of vehicle access and security is required.

Figure 1 is a perspective view of an opening and closing device according to the present applicant's Korean Patent No. 2180015 and a folding automatic door including the same, and Figure 2 is a perspective view of the opening and closing actuator shown in Figure 1. Figure 3 is a diagram for explaining the operation of the sensor mounted on the door of the applicant's registered patent.

The conventional folding automatic door 1000 includes a base 10 arranged in a horizontal state at the installation location, a pillar member 20 arranged vertically in a standing state on the upper surface of the base 10, and a pillar member 20 at one end. A door part 30 that is hinged and can rotate between the open and closed positions, an opening and closing actuator 100 that opens and closes the door part 30, and a door part 30 installed at the bottom of the door part 30. ) It is composed of a guide part 200 that facilitates the movement of the object and various sensors (300, 310, 320) that detect obstacle contact.

The first door 31 has one end rotatably coupled to the pillar member 20 about the fourth central axis C4 between the open and closed positions by a main hinge 33, and has a second The door 32 is a door whose one end is coupled to the other end of the first door 31 to enable relative rotation by an auxiliary hinge 34.

The opening/closing drive unit 100 is an opening/closing device capable of rotating the door unit 30 between an open position and a closed position, and includes a drive shaft 111 rotatable around a first central axis C1. The rotational force of the reducer 120 and the drive motor 110, which can increase the rotational force by reducing the rotational speed of the electrically operated drive motor 110 and the drive shaft 111 to a predetermined speed, is applied to the door unit 30. The transmission crank member 130 and bearings 141 and 142 are mounted on both ends to support the rod member 140 and the drive motor 110, which are rotatably coupled to the crank member 130 and the first door 31. It includes a housing 150 to do this.

The guide unit 200 is a device for guiding the opening and closing path of the door unit 30 along a predetermined path. The guide unit 200 is comprised of a horizontal member 2110 whose one end is horizontally coupled to the lower end of the second door 32 and an upper end thereof. A vertical member 212 coupled to the other end of the horizontal member 211, a roller 210, which is a wheel capable of rolling, at the lower end of the vertical member, and a guide hole 220, which is a groove that accommodates the roller 210 so that the roller 210 can be rolled. Includes.

According to Figure 2, when the door part 30 is in the open position, the longitudinal direction of the rod member 140 and the longitudinal direction of the crank member 130 are approximately 140 degrees. Here, when the drive motor 110 operates, the drive shaft 111 rotates around the first central axis C1 as the rotation center, and then the crank member 130 also rotates to rotate the first door 31 connected to the bearings 141 and 142. ) is moved by the rotational force, so that the radial direction from one end of the door portion 30 to the other end and the longitudinal direction of the rod member 140 become approximately perpendicular, and the door portion 30 can be changed to the closed position. .

According to Figure 3, the first sensor unit 300 is a proximity sensor for detecting the open/closed state of the door unit 30, and the second sensor unit is a bumper sensor mounted at the bottom of the door when the door unit 30 is opened/closed. It is a sensor that detects contact with people or objects around it, and the collision detection sensor part is a bumper sensor mounted at the bottom of the first door (31) and the second door (32). When the second sensor unit 310 and the collision detection sensor unit 320 detect contact with an external object in the process of closing the door unit 30, the door unit 30 opens again, and the door unit 30 opens again. During the process, when contact with an external object is detected, the door unit 30 is stopped.

However, the applicant's registered patent is a structure in which the horizontal member 211 protruding in front of the door moves along the guide hole 220 through the roller 210 to open and close the door, and there is a possibility of collision with an obstacle when opening and closing the door. There is no sensor installed in this highest part or the corresponding part to detect obstacle contact, so if an obstacle is located between both doors during the door closing process, there is a problem that collision with the obstacle may not be detected properly. .

Korean Patent No. 10-2180015 (Title of invention: Opening and closing device and folding automatic door including the same)

Accordingly, the present invention was created in consideration of the above circumstances, and the purpose of the present invention is to ensure safety by stopping the opening and closing operation of the door when the pusher installed on the moving plate attached to the lower part of the door presses the sensor unit. The purpose is to provide an automatic folding door device.

According to one aspect of the present invention for achieving the above object, a folding door unit including first and second doors that are hinged to each other, an opening and closing drive unit that opens and closes the door unit, and a lower end of the first or second door. A guide part including a protruding horizontal member and a roller member coupled to the lower part of the horizontal member and moving along a guide hole formed in the ground, and installed on the guide part to detect obstacle contact of the guide part when opening and closing the door part. It includes an obstacle detection sensor module, wherein the obstacle detection sensor module includes a sensor unit installed at the bottom of the door part, a moving plate movably installed on the upper part of the horizontal member, and a moving plate installed on the moving plate so that the moving plate detects an obstacle. An automatic folding door device having an obstacle detection sensor module is provided, which includes a pusher that pressurizes the sensor unit when it moves by contact.

In addition, first and second long holes are formed on both sides of the upper surface of the horizontal member along the front direction of the door part, and a first bolt member is placed in the first long hole and a second bolt member is placed in the second long hole along each long hole. An automatic folding door device having an obstacle detection sensor module that is movably coupled is provided.

In addition, the pusher includes a first pusher installed on the inner central portion of the upper surface of the moving plate and a second pusher installed on the outer upper surface of the moving plate. An automatic folding door device having an obstacle detection sensor module is provided. do.

In addition, an automatic folding door with an obstacle detection sensor module, characterized in that first and second elastic members are installed on the bottom of the horizontal member to apply a restoring force when the first pusher and the second pusher press the sensor unit. A device is provided.

In addition, an automatic folding door device having an obstacle detection sensor module is provided, wherein the moving plate has a step cut in the area corresponding to the first and second pushers.

In addition, an automatic folding door device having an obstacle detection sensor module is provided, wherein the moving plate has a step cut in the area corresponding to the first and second pushers.

In addition, the moving plate is provided with an automatic folding door device having an obstacle detection sensor module, wherein a buffer plate made of soft material is installed on the moving plate.

In addition, the sensor unit is a bumper tube made of elastic material in the form of a tube, and an automatic folding door device having an obstacle detection sensor module is provided, wherein an electric contact switch is mounted inside the bumper tube.

According to the present invention, it relates to an automatic folding door device having an obstacle detection sensor module. When a door that opens and closes automatically is in operation, when a person or an obstacle comes into contact with the door, the opening and closing operation stops, thereby preventing the occurrence of a personal accident or avoiding obstacles. It has the effect of preventing damage.

Figure 1 is a front perspective view of a folding automatic door of the prior invention.
Figure 2 is a perspective view of the eastern part of the opening and closing mechanism shown in Figure 1.
Figure 3 is a diagram for explaining the operation of a sensor mounted on a door of a conventional invention.
Figure 4 is a top perspective view of an obstacle detection sensor module according to an embodiment of the present invention.
Figure 5 is a bottom perspective view of an obstacle detection sensor module according to an embodiment of the present invention.
Figure 6 is an exploded top perspective view of an obstacle detection sensor module according to an embodiment of the present invention.
Figure 7 is an exploded perspective view of the bottom of an obstacle detection sensor module according to an embodiment of the present invention.
Figure 8 is a diagram for explaining the forward and backward motion of the moving plate.
Figure 9 is a diagram for explaining the counterclockwise operation of the moving plate.
Figure 10 is a diagram for explaining the clockwise operation of the moving plate.

The embodiments described in the present invention and the configurations shown in the drawings are only preferred embodiments of the present invention and do not express the entire technical idea of the present invention. Therefore, the scope of rights of the present invention is limited to the embodiments and drawings described in the text. It should not be construed as limited by. In other words, since the embodiment can be modified in various ways and can have various forms, the scope of rights of the present invention should be understood to include equivalents that can realize the technical idea. In addition, the purpose or effect presented in the present invention does not mean that a specific embodiment must include all or only such effects, so the scope of the present invention should not be understood as limited thereby.

All terms used herein, unless otherwise defined, have the same meaning as commonly understood by a person of ordinary skill in the field to which the present invention pertains. Terms defined in commonly used dictionaries should be interpreted as consistent with the meaning they have in the context of the related technology, and cannot be interpreted as having an ideal or excessively formal meaning that is not clearly defined in the present invention.

Figures 4 and 5 show a perspective view of an obstacle detection sensor module according to an embodiment of the present invention, and Figures 6 and 7 are an exploded perspective view of an obstacle detection sensor module according to an embodiment of the present invention.

Referring to Figures 4 and 5, the obstacle detection sensor module includes a horizontal member 211, a moving plate 500, first and second pushers 610 and 620, a collision detection sensor 320, and a first and second elastic members 810 and 820.

The horizontal member 211 is a metal plate member that protrudes in the horizontal forward direction at the bottom of the second door 32. The inside of the upper surface is fixedly coupled to the bottom of the second door 32, and the outside of the bottom is a vertical member (212). ) is combined with the upper part of the. In addition, a roller 210 is coupled to the lower end of the vertical member 212 to enable rolling movement, and the longitudinal direction of the vertical member 212 and the direction of the rotation center axis of the roller 210 coincide with each other.

Referring to FIG. 6, first and second long holes 710 and 720 are formed on both sides of the inner side of the horizontal member 211 along the front direction of the door portion. And passing through the first and second long holes 710 and 720, the first and second bolts 711 and 712 are coupled to the first and second nuts 712 and 722, respectively, so that the first and second bolts 711, 712) can move along the longitudinal direction of the first and second long holes 710 and 720.

The movable plate 500 is a horizontal plate movably coupled to the upper surface of the horizontal member 211, and may be formed in a similar shape to the horizontal member 211. First and second holes 510, 520 are formed at positions corresponding to the first and second long holes 710, 720 of the horizontal member 211, and are throughly coupled to the first and second bolts 711, 712. do.

The buffer plate 550 is a horizontal plate fixed and coupled to the upper surface of the moving plate 500, and is formed to be somewhat larger than the horizontal member 211, so that when the door collides with an obstacle, the moving plate 500 collides with the obstacle first. You can make contact. Additionally, the buffer plate 550 is preferably made of a soft material to relieve impact when contacting an obstacle. In addition, the areas corresponding to the first and second pushers 610 and 620, which will be described later, are cut to form a step, so that when the moving plate 500 moves clockwise due to contact with an obstacle on the right, the first pusher 610 ) makes it easier to pressurize the bumper sensor.

The first and second pushers 610 and 620 are cylindrical or hollow cylindrical members, and may be installed in the inner center and outside of the upper surface of the moving plate 500. The first pusher 610 is located in the inner center of the moving plate 500, and the second pusher 620 is located in the outer direction inside the upper surface of the moving plate 500, so that when the moving plate 500 moves rearward, the door ( The collision detection sensor 320 attached to 30) can be pressed. Through this, the movable plate 500 on the horizontal member 211, which is formed to protrude in the horizontal forward direction at the bottom of the door 30, easily presses the collision detection sensor 320 when it collides with an obstacle, so that the horizontal member 211 It is possible to prevent damage to property and life due to collisions with obstacles. The first and second pushers 610 and 620 may be formed at a height that sufficiently presses the collision detection sensor 320.

In addition, as shown in FIG. 7, the second pusher 620 is located on the top of the second hole 520 on the outer side of the upper surface of the moving plate 500, which is a position corresponding to the second long hole 720 formed in the horizontal member 211. It is composed of a hollow metal rod. Thus, the second bolt 721 sequentially passes through the second pusher 620, the second hole 520, and the second hollow 720 and is coupled to the second nut 722.

The collision detection sensor 320 is a bumper sensor mounted on the bottom of the first door 31 and the second door 32 extending in the left and right directions. It is made in the form of a tube made of elastic material and has an electrical contact switch installed inside to provide an external It has a structure in which the sensor operates when pressure is applied from the sensor. The collision detection sensor 320 can protect people or objects around it from being injured when the door 30 is opened and closed, and has the advantage of preventing damage to the folding automatic door 1000 itself.

One end of the first and second elastic members 810 and 820 is coupled to the vertical member 212, and the other ends are coupled to the first bolt 711 and the second bolt 721, respectively. These elastic members (810, 820) use tension springs to return them to their original positions when the moving plate (500) collides with an obstacle and moves toward the collision detection sensor (320) along the long holes (710, 712). You can.

More specifically, on the bottom of the horizontal member 211, first and second bolt members 711 and 721 passing through the first and second long holes 710 and 720 are coupled with respective nuts 712 and 722. , first and second elastic members 810 and 820 that apply restoring force may be inserted between them.

8 to 10 are diagrams for explaining the operating direction of the moving plate.

Figure 8 shows a case where an obstacle hits the moving plate 500 in the front direction, and when an external force is generated due to contact with the obstacle, the first bolt 711 located in the first long hole 710 and the second long hole 720 are The second bolt 721 moves toward the front part of the second door 32 at the same time, and as a result, the first pusher 610 and the second pusher 620 press the collision detection sensor unit 320, causing obstacle impulse. By detecting, it is possible to stop the door opening and closing operation.

Figure 9 shows a case where an obstacle collides with the moving plate 500 in a diagonal direction to the left, and when an external force is generated due to contact with the obstacle, the second bolt 721 moves toward the front of the door through the second long hole 720. The plate 500 moves counterclockwise, and the second pusher 620 presses the collision detection sensor unit 320, thereby stopping the opening and closing operation. At this time, the shape of the second long hole 720 preferably has a gently curved shape.

Figure 10 shows a case where an obstacle collides with the moving plate 500 in a diagonal direction to the right, and when an external force is generated due to contact with the obstacle, the first bolt 711 moves toward the front of the door through the first long hole 710. The plate 500 moves clockwise, and the first pusher 610 presses the collision detection sensor unit 320 to stop the opening and closing operation, thereby protecting surrounding people or objects from being injured, and the folding automatic door (1000) It has the advantage of preventing damage to itself.

In the above, preferred embodiments and application examples of the present invention have been shown and described, but the present invention is not limited to the specific embodiments and application examples described above, and the present invention is not limited to the gist of the present invention as claimed in the claims. Of course, various modifications can be made by those skilled in the art, and these modifications should not be understood individually from the technical idea or perspective of the present invention.

1000: folding automatic door,
10: Base 20: Column member
30: door part 31: first door
32: second door 33: main hinge
34: Auxiliary hinge 100: Opening/closing driving unit
110: drive motor 111: drive shaft
120: Reducer 130: Crank member
140: Rod member 141: The first bearing
142: the second bearing 143: bearing support member
150: Housing 200: Roller
211: horizontal member 212: vertical member
213(a),(b): Nut 220: Guide hole
300: first sensor unit 310: second sensor unit
320: Collision detection sensor unit (third sensor unit) 500: Moving plate
510: 1st hole 520: 2nd hole
550: Buffer plate 610: First pusher
620: 2nd pusher 710: 1st long hole
711: first bolt 712 (a), (b): first nut
720: 2nd long hole 721: 2nd bolt
722(a),(b): second nut 810: first elastic member
820: Second elastic member

Claims (7)

a folding door unit including first and second doors that are hinged to each other;
an opening/closing driving unit that opens and closes the door unit;
a guide part including a horizontal member protruding from a lower end of the first door or the second door and a roller member coupled to a lower part of the horizontal member and moving along a guide hole formed in the ground;
An obstacle detection sensor module installed on the guide unit to detect contact with an obstacle in the guide unit when the door unit is opened and closed,
The obstacle detection sensor module is
a sensor unit installed at the bottom of the door unit;
a moving plate movably installed on an upper part of the horizontal member;
A pusher installed on the moving plate to press the sensor unit when the moving plate moves due to contact with an obstacle,
The pusher is an automatic folding door device with an obstacle detection sensor module, characterized in that it includes a first pusher installed on the inner central portion of the upper surface of the moving plate and a second pusher installed on the outer upper surface of the moving plate.
According to clause 1,
First and second long holes are formed on both sides of the upper surface of the horizontal member along the front direction of the door part, and a first bolt member in the first long hole and a second bolt member in the second long hole are movable along each long hole. An automatic folding door device having an obstacle detection sensor module, characterized in that it is combined.
delete According to paragraph 1,
An automatic folding door device having an obstacle detection sensor module, characterized in that first and second elastic members are installed on the bottom of the horizontal member to apply a restoring force when the first pusher and the second pusher press the sensor unit.
According to clause 4,
The moving plate is an automatic folding door device with an obstacle detection sensor module, wherein the area corresponding to the first and second pushers is cut and a step is formed.
According to any one of paragraphs 1 and 5,
The moving plate is an automatic folding door device with an obstacle detection sensor module, wherein a buffer plate made of a soft material is formed by cutting the area corresponding to the first and second pushers on the moving plate.
According to any one of paragraphs 1 or 2 or 4 or 5,
The sensor unit is a bumper tube made of elastic material in the form of a tube, and an automatic folding door device with an obstacle detection sensor module, characterized in that an electric contact switch is mounted inside the bumper tube.