JP2003120156A - Opening and closing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To adjust the length of a wiring means without depending on the length or thickness of the wiring means. SOLUTION: Wiring means 11a-11c for transmitting a detection signal from a detecting means 10 to a control means 8 are bent in the middle of the wiring means so as not to deflect and pulled in a prescribed direction by a movable means 13a. Rail means 16a and 16b are provided so that the movable means 13a is not longitudinally and laterally vibrated according to the opening and closing state of an opening and closing means, and the movable means 13a is moved along them. Accordingly, the movable means 13a is smoothly moved according to the opening and closing operation of the opening and closing means, and the lengths of the wiring means 11a-11c can be adjusted without deflection.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to means for detecting the state of opening / closing means such as obstacle detecting means for detecting an obstacle during opening / closing operation by a seat plate switch provided on opening / closing means such as a shutter curtain. The present invention relates to a switchgear provided with a switch, and more particularly to a switchgear in which wiring means for transmitting a detection signal detected by a detector to a place other than the switch is improved.

[0002]

2. Description of the Related Art Switchgear is used for houses, buildings, factories, warehouses,
The opening is closed by moving an opening / closing member such as a shutter curtain installed in the opening of a structural body including a building such as a garage. The opening / closing device gradually extends and lowers the shutter curtain, which is an opening / closing member, from the upper part of the opening to close the entire opening. A seat plate switch is provided below the opening / closing member. If this seat switch touches any obstacle during opening / closing operation,
In response to the obstacle detection signal, the control device stops the opening / closing operation of the opening / closing member itself in order to avoid pinching of the obstacle, or controls the operation of the opening / closing member to perform the avoiding operation.

As a means for transmitting the obstacle detection signal detected by the seat plate switch to the control device, there have been conventionally proposed ones such as a wireless system and a wired system. In the case of the wireless system, a battery or the like for driving the signal generating device is required on the side of the seat plate switch, and its maintenance is difficult. On the other hand, in the case of the wired method, since it is only necessary to electrically connect the seat plate switch and the control device by using a lead wire or the like, there is no need to install a battery or the like and maintenance is unnecessary. It is advantageous.

[0004]

In the case of the wired system, the distance from the seat plate switch to the control device greatly differs depending on whether the opening / closing member is in the open state or in the closed state. The length of the lead wire should be increased or decreased according to the distance between the seat plate switch and the control device so that the lead wire does not bend or contact with other members between the control device and the control device. , You have to change it. Therefore, conventionally, the lead wire is wound directly on the winding reel biased in the winding direction by a spring, and the length of the lead wire is appropriately adjusted according to the opening / closing operation of the shutter curtain. Things have been proposed. This is because the lead wire is wound directly onto the reel, so the winding diameter of the reel itself may increase depending on the length and thickness of the lead wire, and the entire winding mechanism is placed inside the case that houses the shutter curtain. It was sometimes difficult to install. Further, some opening / closing devices are configured to detect the temperature of the opening / closing member and transmit the detection signal to the control device. In this case as well, a lead wire that is a wiring means for transmitting the detection signal. Had the same problem.

An object of the present invention is to provide a switchgear capable of freely adjusting the length of the wiring means without being affected by the length or thickness of the wiring means.

[0006]

According to a first aspect of the present invention, there is provided an opening / closing device which operates to open and close an opening, and which moves together with the opening and closing means to detect the state of the opening and closing means.
Detection means for outputting the detection signal; control means for recognizing the state of the opening / closing means based on the detection signal; wiring means for transmitting the detection signal detected by the detection means to the control means; A distance between the detection means and the control means that changes according to the open / closed state of the opening / closing means by bending the wiring means by using a movable means so as not to bend the wiring means and urging the wiring means in a predetermined direction. Corresponding to the above, the movable means is provided with wiring arranging means configured to move along rail means provided extending in the predetermined direction. The opening / closing means is composed of an opening / closing member such as a shutter curtain that opens and closes an entrance / exit, a window, or an opening such as an internal passage or space in a structure such as a building, a house, a factory, or a warehouse. . When the opening / closing means is a shutter curtain, the opening / closing means is housed in the upper part of the opening of the building or the like, and the shutter curtain descends along the guide means via the lintel or the like to close the opening. In addition to this, there is a device in which the opening / closing means is housed in the side part of the opening and is opened / closed by a horizontal pulling method, or is housed in the lower part of the opening and is opened / closed by a rising method. The detecting means is provided in the opening / closing means and moves together with the opening / closing means. For example, the obstacle detecting means for detecting the presence of an obstacle on or near the movement path of the opening / closing member during opening / closing movement (for example, , A seat plate switch, etc., a device that detects the open / closed position of the opening / closing member, a heat detector that detects the heat of the opening / closing member, or a device that detects the locked / unlocked state of the opening / closing member. There will be. Therefore, the detection signal detected by the detection means is transmitted via the wiring means to the control means provided separately from the opening / closing means. The control means is
The state of the opening / closing means is recognized according to the detection signal, and the processing is performed accordingly. For example, when the detection means is an obstacle detection means and the detection signal is taken in by the control means, the control means performs an obstacle avoidance operation or the like. At this time, in order to prevent the wiring means for transmitting the detection signal from the detection means to the control means from being bent, the movable means bends an intermediate portion of the wiring means to urge it in a predetermined direction. At this time, the movable means must be moved according to the open / closed state of the opening / closing means, but in the present invention, the rail means is provided so that the movable means does not vibrate back and forth, left and right during movement, and the movable means is moved along the rail means. I am trying to let you. This allows the movable means to move smoothly in accordance with the opening / closing operation of the opening / closing means, and the length can be adjusted appropriately without bending the wiring means.

According to a second aspect of the present invention, there is provided an opening / closing device according to the first aspect, wherein the movable means and the rail means are disposed on the storage side of the opening / closing means, and the urging means for urging the movable means in the predetermined direction is provided. It is a thing. This relates to the location of the wiring arrangement means. For example, when the opening / closing means is a shutter curtain and is stored in the upper part of the opening of the building, the movable means and the rail means are arranged horizontally along the lintel or the like on the storage side. . Further, a biasing means for biasing the movable means in the horizontal direction along the lintel is separately provided. On the other hand, for example, when the opening / closing means is stored in the side surface of the opening of the building, the movable means and the rail means are arranged vertically along the storage side vertical frame or vertical frame. . Since the movable means is arranged so as to be vertically urged by its own weight, if the movable means itself functions sufficiently as the urging means, it is not necessary to provide another urging means, but it is sufficient. When it does not function, a separate biasing means may be provided.

According to a third aspect of the present invention, there is provided an opening / closing device according to the first aspect, wherein guide means for guiding the opening / closing operation of the opening / closing means is provided, and the movable means and the rail means are provided inside or adjacent to the guide means. It is arranged. This relates to the location of the wiring arranging means, and the movable means and the rail means are arranged in or adjacent to the guide means provided on both sides of the shutter curtain or the like. Arranging the wire routing means in the guide means is effective when it is not possible to secure a sufficient installation space on the storage side of the opening / closing means.
Further, when the wire routing means is arranged adjacent to the guide means, there is an advantage that a new storage member need only be installed to store the movable means and the rail means in the guide means. Further, when the guide means is arranged in the vertical direction, at least a part of the urging means can be urged by the movable means itself, that is, the own weight of the movable means, which is effective.

According to a fourth aspect of the present invention, there is provided an opening / closing device which is provided with an opening / closing means which operates to open and close the opening, and a guide means which guides the opening / closing operation of the opening / closing means, and which moves together with the opening / closing means. Detecting means for detecting a state and outputting the detection signal, control means for recognizing the state of the opening / closing means based on the detection signal, and transmitting the detection signal detected by the detecting means to the control means Wiring means and a strip-shaped member provided along the wiring means, and both ends of the strip-shaped member are respectively the detection means so that a semicircular or substantially semicircular bent portion is formed in the strip-shaped member. The bent portion moves along the strip-shaped member in correspondence with the distance between the control means and the object detection means, which is provided near the control means and changes according to the open / closed state of the open / close means. Is obtained by a wire routing means arranged to urchin within or adjacent to the guide means. This is, for example, a strap-like energy guide chain formed by a plurality of chain members that are linked to each other, a convex scale (spring steel member), etc., and the bent portion that is folded back is a substantially semicircular shape with a predetermined curvature. While maintaining the above, the wiring means is provided on the belt-shaped member whose bending portion moves in accordance with the movement of the detection means, and the wiring means is provided inside or adjacent to the guide means. Since the bent portion moves along the strip-shaped member, it becomes possible to appropriately adjust the length of the wiring means between the detection means and the control device, and the strip-shaped means is arranged in or adjacent to the guide means. Therefore, it is not necessary to consider the installation space so much. Note that here, the case where the wiring means and the routing means are separate and the case where they are integrally formed are included. Therefore, the strip-shaped member provided along the wiring means includes a case where the wiring means itself constitutes the strip-shaped member.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of an opening / closing device having an obstacle detecting device according to the present invention will be described below with reference to the accompanying drawings. In this embodiment, a shutter device whose opening and closing is controlled as the opening and closing device will be described as an example. FIG. 1 is a diagram showing a schematic configuration of a shutter device provided with the obstacle detection device of the present invention. FIG. 2 is a side view showing a partial cross section of the shutter device of FIG. 1 as viewed from the right side.

This shutter device is provided at the opening of a building, and basically has a shutter case 1, a shutter curtain 2 as an opening / closing means, guide rails 3 and 4 as a guide means, a winding shaft 5, and a chain. 6, a motor 7 and a control device 8 which is a control means.

The guide rails 3 and 4 are provided at both ends of the opening of the building so as to guide the both ends of the shutter curtain 2, and have a cross-sectional shape extending from the lintel 20 to the floor 21. It is composed of a metal member having a V-shaped guide groove. Note that the guide rails 3 and 4 are omitted in FIG. The shutter curtain 2 ascends and descends along the guide grooves of the guide rails 3 and 4 to open and close the opening. The winding shaft 5 is the shutter case 1
The shutter curtain 2 is rotatably provided therein and is used for winding and rewinding the shutter curtain 2. The chain 6 connects the main sprocket provided on the rotary shaft of the motor 7 and the driven sprocket provided on the rotary shaft of the winding shaft 5. Therefore, the rotational driving force of the motor 7 is transmitted to the winding shaft 5 side via the chain 6, and when the motor 7 rotates, the winding shaft 5 rotates via the chain 6,
The opening / closing operation of the shutter curtain 2 is controlled.

The control device 8 is supplied with electric power via a power supply line (not shown). The control device 8 controls the rotation of the motor 7 based on a control signal corresponding to the operation state of each operation button on an operation switch (not shown), or the motor 7 based on a detection signal from the obstacle detection device.
Is controlled to stop the descending operation of the shutter curtain 2 as an obstacle avoiding operation. The shutter curtain 2 may be controlled not only to stop the lowering operation but also to raise the shutter curtain 2 so that the detection signal is not output, and other operations such as an operation of reducing the lowering speed without stopping. You may control so that it may be performed.

The obstacle detecting device is basically a seat plate switch 10 which is an obstacle detecting means, and a cord 1 which is a wiring means.
1a to 11c, fixed rollers 12a and 12b, movable roller 13a which is a movable means, a mainspring unit 14 which is a biasing means, a wire 15, rail plates 16a and 16b which are rail means, and a cord fixing plate 17.

The seat plate switch 10 is provided in the lower portion of the shutter curtain 2 which is the closed front end side. Since the seat plate switch 10 is a well-known one, detailed description thereof will be omitted here. Basically, the seat plate switch, the lower seat plate that is vertically movable with respect to the upper seat plate, and the lower seat plate are provided. It is configured to include a switch such as a micro switch that is turned on / off in accordance with the vertical movement. The seat plate switch 10 outputs a detection signal indicating that the lower seat plate comes into contact with an obstacle and moves upward to turn the switch on and detect an obstacle. The cords 11a to 11c are wiring means for transmitting the detection signal from the seat plate switch 10 to the control device 8. The cord 11a is provided in a direction along which the seat plate switch 10 is raised and lowered, that is, in a direction parallel or substantially parallel to the guide rails 3 and 4 (direction perpendicular or substantially perpendicular to the floor surface 21). .

The fixed rollers 12a and 12b are arranged such that the cord 11a extends in the direction parallel to the axis of the winding shaft 5.
It is a direction changing means for converting to 1b. Movable roller 13a
Bends the cord 11b in a direction parallel to the axis of the winding shaft 5 and in the opposite direction to the cord 11c. That is, the fixed rollers 12a and 12b and the movable roller 13a serve as a direction changing means for changing the direction of the cord 11a. The movable roller 13a is connected to a wire 15 wound around a winding shaft (not shown) in the mainspring unit 14 and moves along the rail plates 16a and 16b. The movable roller 13a smoothly moves along the rail plates 16a and 16b in a direction parallel to the axis of the winding shaft 5.
Fixed rollers 12a, 12b, movable roller 13a, mainspring unit 14, wire 15 and rail plate 16
Although a and 16b are shown in the figure as being provided along the vicinity of the lintel on the storage side, they may be placed at various positions in the shutter case 1 in consideration of the characteristics of the installation location. Good.

The mainspring spring unit 14 is constructed so as to apply a constant rotational force to the shaft by a mainspring spring wound around a shaft, and a wire drum for winding the wire 15 around the shaft is provided. Has been. Therefore, the wire 15 is always pulled in the winding direction of the mainspring unit 14 (leftward in FIG. 1). That is, the wire 1 is attached to the movable roller 13a.
5, a constant pulling force is always acting. The cord fixing plate 17 fixes the end of the cord 11c via a cushioning material (rubber bush) or the like, and introduces it into the control device 8. In the above embodiment, the case where the movable roller is pulled has been described as an example, but an urging force that presses the movable roller in the opposite direction by a compression force, a pressing force, or the like may be applied. That is, any urging means for urging the movable roller in a predetermined direction may be used. In the figure, the portion urged by the urging means is the bent portion of the movable roller 13a, that is, the cord 11c. In addition, in the above-mentioned embodiment, the urging means is constituted by the mainspring spring unit and the wire, but other than this, a compression spring, a tension spring, a coil spring, an elastic deformable body such as rubber or the like may be used.

FIG. 3 is a diagram showing the obstacle detecting device of FIG. 1 extracted and showing the states corresponding to the opened / closed states of the opening / closing device. In FIG. 3, the rail plates 16a, 1
Illustration of 6b is omitted. FIG. 3A shows the state of the movable roller 13a when the shutter curtain 2 is located at approximately the middle of the opening / closing operation, and FIG. 3B shows the state of the movable roller 13a when the shutter curtain 2 is in the fully open state. 3C shows the state, and FIG. 3C shows the movable roller 13 when the shutter curtain 2 is in the fully closed state.
The state of a is shown. As is apparent from FIG. 3, the length of the cord 11a between the seat plate switch 10 and the fixed roller 12a changes variously depending on the opening / closing operation of the shutter curtain 2. The amount of this change is due to the movable roller 13a and the fixed roller 12a. 1
Cords 11b and 11 between the cord 2b and the cord fixing plate 17
It is absorbed by c.

4 and 5 show the movable roller 13a described above.
FIG. 4 is a diagram showing a detailed configuration of FIG. 4, FIG. 4 is an enlarged view of a part thereof corresponding to FIG. 1, FIG. 5 is a view corresponding to FIG. It is the figure seen from. Figure 4
As is clear from FIG. 5, what is shown in FIGS. 1 to 3 is only the movable roller portion 13a, and the other members are omitted. Therefore, in reality, FIG.
And the constituent members as shown in FIG.

The movable roller 13a is a roller holding member 13
It is rotatably held near the center of d via a retaining collar 13e. Guide rollers 13b, 1
3c are provided on both sides of the roller holding member 13d so as to sandwich the movable roller 13a. Movable roller 13a
And the rotation axes of the guide rollers 13b and 13c are provided so as to be substantially orthogonal to each other. The rail plates 16a and 16b are
Slits are formed at regular intervals to guide the guide rollers 13b and 13c. The rail plates 16a and 16b are provided on the side surface of the shutter case 1. The guide rollers 13b and 13c freely slide in the slit between the rail plates 16a and 16b. As a result, the movable roller 13a also moves on the rail plates 16a and 16b at the same time. The wire 15 is attached to one end of the roller holding member 13d.
Is fixed with a fixing tool such as a screw. The roller holding member 13d is constantly subjected to a constant pulling force to the left by the mainspring unit 14. On the other hand, since the movable roller 13a is pulled rightward by the cords 11b and 11c, when the lengths of the cords 11b and 11c change, the movable roller 13a freely moves on the rail plates 16a and 16b and stops there.

The fixed rollers 12a and 12b are the holding members 1
It is fixed to the lower surface side of the shutter case 1 via 2c and 12d by a fixing tool such as a screw. Fixed roller 12a,
An auxiliary roller 12 is provided on the side surface of 12b to prevent the cord 11a from coming off the grooves of the fixed rollers 12a and 12b.
e to 12h are provided on the L-shaped holding member 12c and the concave holding member 12d, respectively.

In the above embodiment, the movable roller 13 is used.
The case where a, the roller holding member 13d that holds the guide rollers 13b and 13c, the rail plates 16a and 16b, and the like are provided along the upper portion of the lintel portion 20 that is the storage side has been described. It may be provided on one or both of the certain guide rails 3 and 4.

6 and 7 show a roller holding member 13 for holding the movable roller 13a and the guide rollers 13b and 13c.
FIG. 3 is a diagram showing an embodiment in which d, rail plates 16a, 16b, etc. are provided in a guide rail 3 which is a guide means,
This corresponds to FIGS. 1 and 2. In FIGS. 6 and 7, the same components as those in FIGS. 1 and 2 are designated by the same reference numerals, and the description thereof will be omitted.

This embodiment is different from that of FIGS. 1 and 2 in that the fixed roller 18 is used to convert the cord 21a into the cord 21b parallel to the longitudinal direction of the guide rail 3 and the movable roller 13a is used. The cord 21b is converted into a cord 21c which is parallel to the longitudinal direction of the guide rail 3 and which is in the opposite direction, is bent, and is introduced into the control device 8 via the cord fixing plate 19. In this way, the movable roller 13a, the guide roller 13
By storing the roller holding member 13d for holding b and 13c, the rail plates 16a and 16b, and the like, the cord can be stored in the same manner even when the cord cannot be installed in the places as shown in FIGS. . Further, in the case of this embodiment, the mainspring unit 14 and the wire 15 for supplying a constant tension force to the movable roller 13a.
Can be eliminated. In this case, the movable roller 1
3a, the roller holding member 13d for holding the guide rollers 13b and 13c, and the like, are sufficient to generate a sufficient pulling force in the vertical direction. Needless to say, a weight or the like may be separately provided to adjust the pulling force. In this embodiment, a roller holding member 13d that holds the movable roller 13a and the guide rollers 13b and 13c.
Moves in the vertical direction along the rail plates 16a and 16b, there is no risk of contact interference with the shutter curtain 2 moving in the guide rail 3 in the vertical direction, and stable obstacle detection can be performed. .

8 to 10 are views showing another embodiment of the present invention and correspond to FIG. In FIGS. 8 and 9, the same components as those in FIG. 2 are designated by the same reference numerals, and the description thereof will be omitted. This embodiment differs from that of FIG. 2 in that the cord 11 is guided by using a flexible member 31 which is a flexible belt-shaped member. That is, the flexible member 31
Is made of spring steel such as a convex scale made of a steel strip with an arcuate cross section, and the radius of the semi-circular or approximately semi-circular bent part is invariant depending on the curvature when bent. Or, the posture is maintained almost unchanged, and the shape other than the bent portion is maintained straight or substantially straight. Therefore, when the shutter curtain 2 moves from the fully closed state as shown in FIG. 9 to the half open state as shown in FIG. 8, it becomes a state having a bent portion with a constant radius at the lowermost end as shown in FIG. . One end of the flexible member 31 is fixed to a tip end side (for example, the seat plate switch 10) in the closing movement direction at the side end portion of the shutter curtain 2 with a fixing tool such as a screw, and the other end is an opening movement of the guide rail. It is fixed to the tip end side in the direction (for example, the upper end portion of the guide rail, the lintel, the case, the bracket, etc.) by a fixture such as a screw. That is, the flexible member 31 has a length that is substantially equal to or longer than the vertical length (height) of the opening, which is the operating range of the shutter curtain. In the embodiment shown in FIG. 9, the flexible member 31 is fixed to the holding member 32 in the case 2. In this way, the length of the flexible member 31 can be adjusted to the operating range of the shutter curtain, and both ends thereof need only be fixed, so that the construction can be simplified.

FIG. 10 is an enlarged view showing a connecting portion between the flexible member 31 and the seat plate switch 10 of the shutter curtain 2. As can be seen from the drawing, the cord 30 is integrally provided in close contact with the side surface of the flexible member 31, is separated from the vicinity of the connection portion with the shutter curtain 2, and is introduced into the seat plate switch 10. The flexible member 31 is fixed to the side end of the shutter curtain 2 at the lowermost end with a fixing tool such as a screw. In addition to the convex scale, other flexible members 31 may be used as long as they maintain a bending posture in which the radius of the bent portion is invariable or almost invariable when the flexible member 31 follows the opening / closing operation of the shutter curtain. A strap-like energy guide chain formed of a plurality of chain members connected by links may be used. The sizes of the cord 11 and the flexible member 31 are arbitrary, but it is preferable that the size of the cord 11 is smaller than the width dimension of the flexible member 31. When the cord 11 is provided along the flexible member 31, at least a part of the cord 11 may be fixed or may be inserted internally. Further, although the drawing shows the case where the flexible member 31 is arranged in the guide rail 3, the flexible member 31 may be provided so as to be adjacent to the guide rail 3. In addition, the flexible member 3
1 may be provided along the upper portion of the lintel portion 20, which is the storage side.

In the above embodiment, the movable roller 13a is used.
Although the case where the cord is bent only once by using the above is described, as shown in FIG. 11, a plurality of movable rollers 13a (two in the figure) may be provided and the fixed roller 17a may be bent. . As a result, even if the length of the cord is large, it is possible to sufficiently cope with it without making the installation space so large.

In the embodiments shown in FIGS. 6 and 7, the wiring arranging means is arranged in the guide rail 3, but the wiring arranging means is different from the shutter curtain which moves in the vertical direction. It is preferable to avoid contact interference. For example, the arrangement portion of the arrangement and routing means and the moving portion of the shutter curtain in the guide rail 3 may be partitioned by a partition member or the like, or both may be arranged to be separated from each other to some extent. Further, as shown in FIG. 12, a wiring routing storage member 121 may be provided on the outer surface such as the front surface or the rear surface of the guide rail 3 separately from the guide rail 3. In FIG. 12, only the movable roller 13a is provided, and the roller holding member 1 that holds the guide rollers 13b and 13c.
3d and rail plates 16a and 16b are unnecessary. This is because the wiring management and storage member 121 substitutes for these.
In this modification, the weight 12 is attached to the movable roller 13a.
2 is added, and the downward biasing force is adjusted. By providing the wiring arranging means separately from the guide rail 3 as described above, it is possible to avoid contact with the shutter curtain and the like, and the existing storage member 121 is simply provided to the existing guide rail 3. It is easy to install. Also, the roller holding member 13d
Since the rail plates 16a and 16b are unnecessary, the configuration can be simplified.

In the above-mentioned embodiment, the opening and closing movement direction of the shutter curtain is described as the up and down direction, but it may be any direction such as left and right, horizontal and diagonal. Further, the shutter curtain is a slat curtain at least a part of which is made up of a large number of slats, a pipe grill curtain formed by connecting a large number of pipes with a link material, and a panel made up of one or a plurality of connected panel materials. It may be configured by a curtain, a net curtain made of a net material, a sheet curtain made of a synthetic resin or cloth fiber sheet material, or a composite curtain made of a composite of these. Of course, all may be slat curtains.

In the above-described embodiment, the case where the shutter curtain is fed out from above by a descending method has been described, but conversely, it can be similarly applied to the case where it is fed out in an ascending method. Further, the shutter-like opening / closing member can be similarly applied even if it is drawn out by a horizontal drawing method or is drawn out by a horizontal method. As the opening / closing device, for example, a shutter device, a blind device, a roll screen device,
There are a hanging device, a sliding door device, a moving partition device, an awning device, a waterproof plate device, and the like. The material of the opening / closing member, which is the opening / closing means, may be any material as long as it meets the purpose of use. Specifically, it may be made of metal, wood, plastic, cloth, or a combination thereof.

In the above-described embodiment, the seat plate switch has been described as an example of the detecting means, but the seat plate switch detects an obstacle by contacting with the obstacle, but other than this, it is not appropriate. It may be one that can detect an obstacle by contact. For example, as a means for detecting an obstacle without contact, a light emitting element and a light receiving element for infrared light are provided on both sides of the opening / closing member, and an obstacle is detected when the infrared light is blocked. There is. Further, the detection means may be one that detects the opening / closing position of the shutter curtain, a heat sensor that detects the temperature of the shutter curtain itself, or one that detects the locked or unlocked state of the shutter curtain.

[0032]

As described above, according to the switchgear of the present invention, the length and the thickness of the wiring means are not affected.
There is an effect that the length of the wiring means can be adjusted.

[Brief description of drawings]

FIG. 1 is a diagram showing a schematic configuration of a shutter device including an obstacle detection device of the present invention.

FIG. 2 is a side view showing a partial cross section of the shutter device of FIG. 1 as viewed from the right side.

FIG. 3 is a diagram showing a state in which the obstacle detection device of FIG. 1 is extracted and a state corresponding to an opened / closed state of the opening / closing device is shown.

FIG. 4 is a diagram showing a detailed configuration of the movable roller of FIG.

5 is a diagram showing a detailed configuration of a movable roller as seen from the line XX of FIG.

FIG. 6 is a diagram showing a schematic configuration of another embodiment of a shutter device including the obstacle detection device of the present invention.

7 is a side view showing a partial cross section of the shutter device of FIG. 6 as viewed from the right side.

FIG. 8 is a diagram showing a schematic configuration of still another embodiment of a shutter device including the obstacle detection device of the present invention.

9 is a diagram showing a state in which the shutter curtain of the shutter device of FIG. 8 is fully closed.

10 is an enlarged perspective view showing a part of the shutter device of FIG.

FIG. 11 is a diagram showing a modification of the obstacle detection device of FIG.

FIG. 12 is a perspective view showing a part of the modified examples of FIGS. 6 and 7.

[Explanation of symbols]

1 ... Shutter case, 2 ... Shutter curtain, 3,
4 ... Guide rail, 5 ... Winding shaft, 6 ... Chain,
7 ... Motor, 8 ... Control device, 10 ... Seat switch, 11
a to 11c, 21a to 21c, 30 ... Code, 12a,
12b ... Fixed roller, 12c, 12d ... Holding member, 12
e to 12h ... Auxiliary roller, 13a ... Movable roller, 15 ...
Wires, 16a, 16b ... Rail plates, 17, 19 ... Cord fixing plates, 13b, 13c ... Guide rollers, 13d ...
Roller holding member, 13e ... collar, 20 ... lintel, 2
1 ... Floor surface, 31 ... Flexible member, 32 ... Holding member

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Noriaki Iwase             3-26-4 Shimura, Itabashi-ku, Tokyo             Inside Yatter Co., Ltd. F-term (reference) 2E042 AA01 AA02 AA03 CA01 CB06                       CC03 CC04 DA01

Claims (4)

[Claims] 1. An opening / closing unit that operates to open and close an opening, a detecting unit that moves together with the opening / closing unit to detect the state of the opening / closing unit, and outputs a detection signal thereof, based on the detection signal. Control means for recognizing the state of the opening / closing means, wiring means for transmitting the detection signal detected by the detection means to the control means, and wiring means using movable means so as not to bend the wiring means. The movable means is provided so as to extend in the predetermined direction in response to the distance between the detection means and the control means that is bent and biased in a predetermined direction and that changes according to the open / closed state of the opening / closing means. And a wiring arranging means configured to move along the rail means. 2. The opening / closing according to claim 1, wherein the movable means and the rail means are arranged on a storage side of the opening / closing means, and an urging means for urging the movable means in the predetermined direction is provided. apparatus. 3. The guide device according to claim 1, further comprising guide means for guiding the opening / closing operation of the opening / closing means, and the movable means and the rail means are arranged in the guide means or adjacent to the guide means. Switchgear. 4. An opening / closing unit that operates to open and close the opening and a guide unit that guides the opening / closing operation of the opening / closing unit are provided, and the state of the opening / closing unit is detected by moving together with the opening / closing unit, and the detection thereof is performed. Detection means for outputting a signal; control means for recognizing the state of the opening / closing means based on the detection signal; wiring means for transmitting the detection signal detected by the detection means to the control means; and wiring means Both ends of the strip-shaped member are located near the detection means and the control means, respectively, so that a semi-circular or substantially semi-circular bent portion is formed on the strip-shaped member. The guide means is provided so that the bent portion moves along the strip-shaped member in correspondence with a distance between the object detection means and the control means that is provided and changes according to the open / closed state of the open / close means. Switchgear being characterized in that a wiring routing means provided so as to be adjacent thereto.