JP5694723B2 - Screen device - Google Patents

Description

  The present invention relates to a screen device installed outdoors or indoors for advertising or the like.

Conventionally, as this type of screen device, for example, the following conventional configuration is known.
In the first conventional configuration, a pair of rotating shafts are supported in parallel at a distance from the frame. An endless screen on which advertising advertisements are displayed is hung between the rotating shafts. The screen is rotated between the rotating shafts by driving the motor.

  Further, as a conventional screen device, for example, a configuration as disclosed in Patent Document 1 has been proposed. In the second conventional configuration, a pair of front rotating shafts are disposed on the front side of the box-shaped case with a space in the vertical direction, and the rear portion of the case is in contact with the rear periphery of the screen. A plurality of rollers are provided for holding the screen in tension. An endless screen on which advertising advertisements are displayed is hung between the rotating shafts and the rollers. The screen is circulated by rotating the rotating shaft by a motor.

JP-A-4-368986

However, the conventional screen device described above has the following problems.
In the first conventional configuration, an endless screen is hung between a pair of rotating shafts extending in parallel at an interval so as to form a flat shape as a whole. For this reason, when wind hits the screen device, the screen flutters, or when the screen gets wet with rainwater, the screens stick to each other due to the flutter, causing a heavy load on the motor. It was. This problem also occurs when the screen device is installed indoors and receives air from the air conditioner, but is particularly noticeable when the screen device is installed outdoors and receives strong winds. Occurs.

  In the second conventional configuration, since the guide roller for guiding the rear side of the screen is provided to be displaced rearward from between the upper and lower rotary shafts, the rear side of the screen is separated from the front side. As a result, it is possible to prevent the screens from sticking to each other, but there is a problem that the size of the screen device in the front-rear direction becomes large and the entire device becomes large.

  The present invention has been made paying attention to such problems existing in the prior art. An object of the present invention is to provide a screen device that can smoothly circulate the screen without causing fluttering or sticking, can reduce the size of the entire device, and has an excellent appearance.

To achieve the above object, the present invention is Rutotomoni is supported parallel to the pair of rotary shaft to the pair of support portions of the frame, an endless screen between their rotational axes, the front circumferential portion of the screen Sprinkling for spraying water on the back surface of the screen in a screen device that is hung in a state in which the outer peripheral portion and the rear peripheral portion are exposed , and the screen is circulated between the rotary shafts by rotation of the rotary shaft The means is constructed on the pair of support portions, the support member for supporting the back surface of the screen is constructed on the pair of support portions, and the support member is made of a transparent material or a translucent material. .

  Therefore, in the screen device of the present invention, when the rotating shaft is rotated by the motor, the screen is circulated in a state where the back surface is supported by the support member at the position between the rotating shafts. For this reason, when the screen device is installed indoors, the screen flutters when receiving wind from the air conditioner, or when the screen device is installed outdoors and receiving strong wind. There is no risk of sticking. Therefore, it is possible to prevent the motor from being burdened. And since the back surface of a screen is supported by the support member between the front part side and rear part side of a screen, the guide roller in the position displaced to a rear part side is unnecessary. For this reason, the dimension of the screen apparatus in the front-rear direction is reduced, and the entire apparatus can be reduced in size.

  In addition, since the support member is made of a transparent material or a translucent material, the support member and its shadow can be prevented from appearing on the surface side of the screen, and display functions such as advertisements applied to the screen Can be maintained well.

The said structure WHEREIN: The said support member is good to be spaced apart from the said other support member, and to be constructed by the said pair of support part .
In the configuration described above, the the support member is formed through the drain hole in the vertical direction, the water spray means positioned Then good upper than the support member.

The support member may be made of polycarbonate.
A detection means for detecting pressure by contact of the screen is provided on a surface of the support member facing the screen, and the detection means is configured to circulate the screen when the detection means detects a pressure of a predetermined value or more. The motor should be stopped.

  Water supply to the watering means may be stopped when the detecting means detects a pressure greater than a predetermined value.

  As described above, according to the present invention, it is possible to prevent the motor for rotating the screen from being overloaded, to reduce the size of the entire apparatus, and to maintain a good display function. Demonstrate.

The perspective view which shows the screen apparatus of 1st Embodiment. FIG. 2 is an enlarged vertical sectional view of the screen device of FIG. 1. Sectional drawing in the 3-3 line of FIG. FIG. 4 is an enlarged sectional view taken along line 4-4 of FIG. The principal part disassembled perspective view which expands and shows a supporting member and its attachment structure. The perspective view which shows the screen apparatus of 2nd Embodiment. FIG. 7 is an enlarged vertical sectional view of the screen device of FIG. 6.

(First embodiment)
A first embodiment of a screen device embodying the present invention will be described below with reference to FIGS.

  As shown in FIGS. 1 and 2, the screen device 10 of this embodiment includes a frame 11. The frame 11 includes a pair of left and right support columns 12 and 13 extending in parallel in the vertical direction, an upper frame portion 14 installed between upper ends of both support columns 12 and 13, and a lower end portion of both support columns 12 and 13. As a whole, the lower frame portion 15 is formed in a square frame shape.

  As shown in FIGS. 3 to 5, a pair of cross sections for covering both side edges in the width direction of the screen 26 described later are provided on the front and rear side edges of the inner surfaces of the support columns 12 and 13 and the upper frame part 14 in the frame 11. A substantially L-shaped shielding plate 17 is fixed by welding, and extends over the entire length of the support column portions 12 and 13 and the upper frame portion 14. As shown in FIG.2 and FIG.3, the lower frame part 15 of the flame | frame 11 is comprised by the metal material of the square cylinder shape.

  As shown in FIGS. 1 to 3, leg plates 18 are welded and fixed to the lower ends of both support columns 12 and 13 of the frame 11, and a plurality of mounting holes 18 a are formed in each leg plate 18. A foundation concrete 19 is placed on the ground where the screen device 10 is installed outdoors. On the upper surface of the foundation concrete 19, a pair of left and right support seats 20 made of mortar are formed to project. A plurality of anchor bolts 21 are embedded in the foundation concrete 19 and the respective support seats 20 with their tip screw portions protruding from the upper surface of the support seat 20.

  And the leg plate 18 of the lower end of the support | pillar parts 12 and 13 is mounted on each support seat 20, and the anchor bolt 21 is inserted in each attachment hole 18a on the leg plate 18, and the tip of each anchor bolt 21 is inserted. A nut 22 is screwed into the threaded portion. The frame 11 of the screen device 10 is installed and fixed on the foundation concrete 19 by this screwing. In this state, the periphery of the foundation concrete 19 is backfilled to the vicinity of the upper surface of the lower frame portion 15 of the frame 11, and chestnut stones 23 are laid on the upper surface of the backfill portion.

  As shown in FIGS. 1 to 3, a cylindrical upper rotary shaft 24 is rotatably supported on the horizontal axis line between the upper end portions of the both column portions 12 and 13 of the frame 11. A cylindrical lower rotary shaft 25 is supported between the lower end portions of both support columns 12 and 13 so as to be rotatable on a horizontal axis parallel to the upper rotary shaft 24. A pair of flange portions 24 a and 25 a are provided at both ends of the upper rotating shaft 24 and the lower rotating shaft 25. An endless belt-like screen 26 made of a synthetic resin such as vinyl chloride is hung between the rotating shafts 24 and 25. The screen 26 is made of a synthetic resin cloth material or a net material made of warp and weft, and the surface of the screen 26 is advertised. Between the warp and the weft of the screen 26, a slit (an eye between yarns) of about 0.3 to 3 mm is formed.

  As shown in FIGS. 1 and 2, a motor 27 is supported on the inner surface of the upper end of the right column 13 in a state where almost the entire motor 27 is accommodated in the upper rotary shaft 24. Then, when the upper rotary shaft 24 is rotated by the motor 27, the screen 26 is circulated between the rotary shafts 24 and 25. In this case, the left and right positions of the screen 26 are regulated by the side edges of the screen 26 in the width direction coming into contact with the flange portions 24 a and 25 a at both ends of the rotary shafts 24 and 25. Further, as shown in FIG. 4, both the side edges of the front side circulation part 26 a and the rear side circulation part 26 b of the screen 26 are arranged inside the shielding plate 17 on the both column parts 12, 13, so that each circulation part 26 a. , 26b is covered so that it cannot be seen from the outside, and fluttering to the outside of both side edges is restricted.

  As shown in FIGS. 1 to 3, a watering device 28 serving as a watering means is supported on the upper part between the two column portions 12 and 13 in the circulation area of the screen 26. The watering device 28 is provided with a rectangular tube-shaped water guide pipe 29 made of a metal material laid between the support columns 12 and 13, and projecting at predetermined intervals in the length direction below the water guide pipe 29. And a plurality of mist injection nozzles 30. A water supply hose (not shown) for supplying water into the water conduit 29 is connected to one end of the water conduit 29.

  Then, when an electromagnetic valve (not shown) connected to the water supply hose is opened, water is supplied into the water conduit 29 of the watering device 28, and the water is supplied from each mist spray nozzle 30 to the front circulation portion of the screen 26. It is sprayed in the form of mist toward the back surface of 26a and the rear side surrounding part 26b. Further, when this water is vaporized, heat of vaporization is taken from the air, and the surrounding air is cooled. At the same time, the surface of the screen 26 becomes a cold radiation surface, and a radiation cooling effect is given to the surroundings.

  As shown in FIGS. 2 to 5, a pair of upper and lower support members 31 are installed between the support columns 12 and 13 so as to be positioned below the sprinkler 28 in the circulation area of the screen 26. That is, as shown in FIG. 5, a substantially L-shaped bracket 32 is attached to the inner side surfaces of both support columns 12 and 13 by a plurality of screws 33, and a plurality of both end portions of the support member 31 are attached to the bracket 32. Are fixed by screws 34. Each support member 31 is formed of a transparent or translucent hard synthetic resin material. In this embodiment, each support member 31 is made of polycarbonate having excellent weather resistance. Each support member 31 is provided with a plurality of drain holes 31a extending in the vertical direction along the length direction thereof. Then, both the support member 31 supports the front side turn part 26a and the rear side turn part 26b of the screen 26 from the back side so that the front side turn part 26a and the rear side turn part 26b can be prevented from fluttering and sticking. It has become.

  As shown in FIG. 2 to FIG. 4, a detecting means for detecting the flutter of the front peripheral portion 26 a and the rear peripheral portion 26 b of the screen 26 at the substantially central portion of the front and rear side surfaces of the upper support member 31. The touch sensor 35 is provided. Then, when the touch sensor 35 receives a pressure equal to or higher than a specified value from the screen 26 during the orbiting operation of the screen 26 and detects it, the motor 27 is stopped and the orbiting operation of the screen 26 is interrupted. At the same time, the electromagnetic valve is closed, water supply to the mist injection nozzle 30 is stopped, and mist spraying is stopped.

  As shown in FIG. 2, a pair of drainage pipes 36 are embedded in the lower part of the chestnut 23 on both sides of the column parts 12 and 13 of the frame 11, and a plurality of water collecting holes 36 a are provided in the upper part of each drainage pipe 36. Is formed. And the water which fell on the chestnut 23 is collect | recovered in the drain pipe 36 from the water collection hole 36a, and a waste_water | drain process is carried out.

Next, functions of the screen device configured as described above will be described.
When the operation start button (not shown) provided on the side of the frame 11 or a control box (not shown) is turned on while the screen device 10 is installed at a required location outdoors or indoors, the motor 27 The upper rotating shaft 24 is rotated, and the screen 26 hung between the rotating shafts 24 and 25 is moved between the rotating shafts 24 and 25. At the same time, when an electromagnetic valve (not shown) is opened, water is sprayed in the form of mist from the mist injection nozzle 30 of the watering device 28 onto the back surface of the front and rear circumferential portions 26a and 26b of the screen 26. The entire surface is moistened. As the screen 26 circulates, water is vaporized by the air in contact with the screen 26 and the heat of vaporization is taken away from the air, whereby the air is cooled and radiant cooling heat is applied from the screen 26 to the surroundings. .

  At this time, the front-side circulation part 26a and the rear-side circulation part 26b of the screen 26 are moved around in a state of being supported from the back side by the pair of upper and lower support members 31. Therefore, even when air is blown from the air conditioner to the screen device 10 installed indoors, or even when strong wind is blown to the screen device 10 installed outdoors, the screen 26 is held without fluttering. In addition, it is possible to prevent the front and rear portions of the screen 26 from sticking through water. Excess water not held by the screen 26 is dropped through the drain hole 31 a of the support member 31.

  Further, during the turning operation of the screen 26, when the front side turning portion 26a or the rear side turning portion 26b of the screen 26 largely fluctuates beyond a specified value, the motor 27 is stopped based on the detection of the touch sensor 35. Then, the turning operation of the screen 26 is interrupted, and the water spray from the mist injection nozzle 30 is interrupted. When the detection state by the touch sensor 35 is finished, the circulation of the screen 26 and the watering from the mist spray nozzle 30 are resumed.

Therefore, according to this embodiment, the following effects can be obtained.
(1) In this screen device, the rotating shafts 24 and 25 are rotated by the motor 27, so that the screen 26 circulates between the pair of rotating shafts 24 and 25 with the back surface side supported by the support member 31. It has come to be. For this reason, when the screen device 10 is installed indoors, the screen 26 does not flutter even when receiving air from the air conditioner or when receiving strong winds when the screen device 10 is installed outdoors. There is no risk of sticking or sticking. Therefore, it is possible to prevent the motor 27 from being overloaded by the fluttering or sticking of the screen 26.

  (2) In this screen device, since the support member 31 is made of a transparent material or a translucent material, the support member 31 can be hardly seen from the surface side of the screen 26 and is applied to the screen 26. Can maintain functions such as advertising. On the other hand, when the support member 31 is made of a non-transparent material such as metal, light is blocked by the support member. For this reason, a metal support member and a shadow corresponding to the support member are raised on the surface side of the screen 26, the appearance of the screen 26 is impaired, and the display function is lowered.

  (3) In this screen device, since the support member 31 can prevent the screen 26 from fluttering and sticking, unlike the Patent Document 1, only the pair of upper and lower rotary shafts 24 and 25 is necessary. No guide roller between 25 is required. For this reason, this screen device not only has a simple configuration, but also reduces the size of the screen device 10 in the front-rear direction, thereby reducing the size of the entire device.

  (4) In this screen device, a touch sensor 35 is provided on the support member 31. When the touch sensor 35 receives a pressure equal to or higher than a specified value from the screen 26, the motor 27 is stopped and the rotating operation of the screen 26 is interrupted. For this reason, when large fluttering or sticking occurs on the screen 26, it is possible to prevent the motor 27 from being overloaded.

  (5) In this screen device, a watering device 28 for watering the back surface of the screen 26 is provided on the upper portion of the frame 11. For this reason, during the circulation of the screen 26, water is sprayed from the water sprinkler 28 to the screen 26, and the entire surface of the screen 26 is wetted. As the screen 26 circulates, water is vaporized by the air in contact with the screen 26 and heat of vaporization is taken away from the air. Therefore, a cooling function for an outdoor or indoor space can be exhibited. In addition, when the screen 26 flutters and the circulation of the screen 26 is stopped, water spraying is stopped, so that wasteful use of water can be prevented.

  (6) In this screen device, the support member 31 is installed between the left and right support columns 12 and 13 of the frame 11, and a drain hole 31 a is provided in the support member 31 in the vertical direction. For this reason, the water sprinkling from the water sprinkling device 28 can be smoothly flowed downward through the water draining hole 31 a without staying on the support member 31.

(Second Embodiment)
Next, a second embodiment of the screen device embodying the present invention will be described with a focus on differences from the first embodiment.

  In the second embodiment, as shown in FIGS. 6 and 7, an auxiliary frame 40 having a truss structure as a whole for installing the screen device 10 at an arbitrary place indoors or outdoors is provided. That is, the auxiliary frame 40 is provided with a substantially rectangular frame type support base 41 made of a rectangular cylindrical metal pipe material, and a pair of support plate parts 42 are welded and fixed to both sides of the front end of the upper surface of the support base 41. ing. Then, in a state where the leg plates 18 at the lower ends of the support columns 12 and 13 in the frame 11 of the screen device 10 are placed on the support plate portions 42, the both leg plates 18 are connected to the support plate portion 42 by a plurality of bolts 43. And a nut 44. By this fixing, the frame 11 of the screen device 10 is attached to the front end portion of the upper surface of the support base 41 in an upright state.

  As shown in FIGS. 6 and 7, the lower end of the support leg 46 in an inclined state is supported at the rear end of the support base 41. A pair of reinforcing legs 47 made of a metal pipe material is installed between the middle part of the both support legs 46 and the front part on both sides of the support base 41. A square cap-shaped holding member 45 made of a metal material is fixed to the upper end of the support leg 46. The holding member 45 is detachably attached to the upper ends of the support columns 12 and 13. Then, by attaching the holding member 45 to the upper ends of the support columns 12 and 13, the frame 11 is supported in an upright state on the support base 41 by the both support legs 46 and the both reinforcement legs 47.

  The frame 11 and its internal structure in the second embodiment are configured in substantially the same manner as in the first embodiment, but a water receiving structure is provided in the lower part of the frame 11. That is, as shown in FIG. 7, a water receiving trough 48 is installed between the support columns 12 and 13 of the frame 11 above the lower rotary shaft 25. The water sprayed and dropped from the mist spray nozzle 30 of the water sprinkler 28 is collected in the water receiver 48 and drained through a drain pipe (not shown).

  In the second embodiment, the screen device 10 and the auxiliary frame 40 are separated and carried to a required location, and the auxiliary frame 40 is installed on the ground or floor surface of the location, and the screen is placed on the auxiliary frame 40. The apparatus 10 is mounted. Next, the leg plate 18 and the support plate portion 42 of the screen device 10 stacked on each other are fixed by bolts 43 and nuts 44, and a cap-shaped holding member 45 is put on the upper ends of the column portions 12 and 13 of the screen device 10. That's fine. In this way, the screen device 10 can be stably installed at a location where the foundation concrete 19 is not present.

Therefore, according to the second embodiment, in addition to the effects described in (1) to (6) in the first embodiment, the following effects can be obtained.
(7) In this screen device, by using the auxiliary frame 40, the screen device 10 can be stably installed at a required place indoors or outdoors where the foundation concrete 19 is not present. Therefore, when the installation period of the screen apparatus 10 is short, the installation work and removal work of an apparatus can be performed easily.

  (8) In this screen device, since the water catcher 48 is installed in the lower part of the frame 11, the water falling from the mist spray nozzle 30 is collected in the water catcher 48. Accordingly, by connecting another water channel or pipe to the water receiving trough 48, the water collected in the water receiving trough 48 can be drained to a required location via the other water channel or pipe. This is convenient when a screen device is installed in a place where the water gets wet, or when it is installed for a short period of time without providing the chestnut 23 or the like.

(Example of change)
In addition, this embodiment can also be changed and embodied as follows.
A semi-transparent material is used as the support member 31 that supports the back side of the screen 26.

  A material other than polycarbonate, for example, polypropylene, polyethylene, polyethylene terephthalate, or acrylic, is used as the support member 31 that supports the back side of the screen 26.

・ Install sprinklers 28 at multiple locations above and below.
A pair of rotary shafts 24 and 25 are disposed so as to be rotatable about a vertical axis, and the screen 26 is stretched between the rotary shafts 24 and 25 so as to circulate in the lateral direction.

  A lighting device made of LED or the like is provided inside or outside the screen 26, and the screen 26 is configured to illuminate at night when the device is installed indoors or when the device is installed outdoors.

  -Provide a water catcher connected to the drain pipe between the lower ends of the support columns 12 and 13 below the screen 26. This water receiving bowl may be used in combination with the water receiving bowl 48 of the second embodiment, or may be used alone. Further, the water receiving trough 48 may also function as the lower frame portion 15 between the support column portions 12 and 13.

The screen 26 is composed of white and plain fabric, and is configured to project a display such as an advertisement on the screen 26 with a projector or the like.
A sensor such as a temperature sensor, a humidity sensor, or a wind speed sensor is attached to the frame 11, and the operation stop of the apparatus is controlled based on the detection of the sensor.

-Omit the sprinkler 28.
(Other technical ideas)
The technical idea which is grasped from the embodiment but is not described in the claims is as follows.

(A) An auxiliary frame having a fixing portion fixed to a lower portion of the screen device in order to support the screen device according to any one of claims 1 to 5.
(B) The auxiliary frame according to item (1), wherein the auxiliary frame includes a portion fixed to a lower end portion of the screen device and a portion attached to the upper end.

  (C) A screen device comprising the screen device according to any one of claims 1 to 5 and the auxiliary frame according to the technical idea (A) or (B). .

  DESCRIPTION OF SYMBOLS 10 ... Screen apparatus, 11 ... Frame, 12, 13 ... Support | pillar part, 18 ... Leg plate, 19 ... Foundation concrete, 21 ... Anchor bolt, 24 ... Upper rotating shaft, 25 ... Lower rotating shaft, 26 ... Screen, 26a ... Front side circulation Part, 26b ... rear side turning part, 27 ... motor, 28 ... watering device as watering means, 31 ... support member, 31a ... drainage hole, 35 ... touch sensor, 41 ... support base, 43 ... bolt, 46 ... support leg.

Claims (6)

Rutotomoni is supported parallel to the pair of rotary shaft to the pair of support portions of the frame, their endless screen between the rotation axis of a state such as a front circumferential portion and the rear circumferential portion of the screen is exposed In the screen device that is mounted and rotated around the rotating shaft by the rotation of the rotating shaft,
Sprinkling means for sprinkling water on the back surface of the screen is installed on the pair of support parts,
A support member that supports the back surface of the screen is installed on the pair of support parts ,
A screen device characterized in that the supporting member is made of a transparent material or a translucent material. The screen device according to claim 1, wherein the support member is installed on the pair of support portions so as to be separated from the other support members . Wherein the support member is formed through the drain hole in the vertical direction,
Screen apparatus according to claim 1 or 2, characterized in that a said water spray means to the upper than the support member. The screen device according to claim 1, wherein the support member is made of polycarbonate. Provided on the surface of the support member facing the screen is a detection means for detecting pressure by contact with the screen,
The screen according to any one of claims 1 to 4, wherein a motor for rotating the screen is stopped when the detecting means detects a pressure of a predetermined value or more. apparatus. 6. The screen device according to claim 5, wherein water supply to the watering means is stopped when the detecting means detects a pressure equal to or higher than a predetermined value.

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