JP2011038663A - Water spray screen device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a water spray screen device freely installable in an outdoor square, an indoor space and the like, and capable of cooling the installation space. <P>SOLUTION: Attaching plate parts 22a, 23a are provided in lower ends of a pair of parallel columns 22, 23 extended vertically, and a support block 28 is provided fixedly to the attaching plate parts 22a, 23a. Rotary shafts 30, 31 are supported between the columns 22, 23, and a screen 32 is tension-laid between the rotary shafts 30, 31. A water spray device 44 for spraying water toward the screen 32 is provided between the columns 22, 23. A lower frame part 25 is provided between the columns 22, 23, as a gutter member for receiving water flowing down on the screen 32. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a water spray screen device that sprays water on a screen outdoors or indoors and cools an outdoor space or indoor space by vaporization heat or radiant cooling heat accompanying water evaporation.

  Conventionally, as a technique for cooling an outdoor space, for example, mist spraying in which water is made into a fine mist and sprayed in the air is known. Also, the water is retained in the porous pavement block, the sand layer or the roadbed under the porous pavement block, and the water is oozed out to the surface of the pavement block by the capillary action of the pavement block material to obtain the water hitting effect. The road is also known.

  However, mist spraying is easily affected by the wind, and the mist is diffused by the wind and the cooling effect is significantly reduced. Moreover, in the paved road aiming at the water hitting effect, the water that oozes out on the surface of the paved block only reduces the temperature of the paved block having a large heat capacity due to the heat of vaporization. Therefore, neither of the above prior arts can effectively cool the outdoor space.

  On the other hand, for example, a netting shield for cooling as disclosed in Patent Document 1 has also been proposed. In the conventional configuration described in Patent Document 1, water is supplied to the upper part of a mesh shield used as a blind or a shutter, so that the mesh shield is wet. Then, water is evaporated from the mesh shield, and the ambient air is cooled by the heat of vaporization.

JP 2008-25142 A

  However, in the conventional configuration described in Patent Document 1, there is no mention of a specific structure for installing the apparatus. Therefore, in this conventional configuration, the installation location of the apparatus cannot be selected as necessary, and the demand for cooling the space at the required location cannot often be met.

  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 watering screen device that can be freely selected as an installation place such as an outdoor plaza or indoor.

  In order to achieve the above object, according to the present invention, a pair of parallel columns, a screen stretched between the columns, a watering device that is supported by the column and sprays the screen. And a mounting plate portion is provided at one end of each of the columns.

  Therefore, in this invention, if a support stand is attached to the attachment plate part of a support | pillar, the whole apparatus can be installed in the rough terrain outdoors. On the other hand, if the mounting plate portion of the column is directly fixed to a bolt or the like embedded in the installation location, the entire apparatus can be stably installed without using a support base. And in the installation state of this apparatus, watering is performed from a watering apparatus with respect to the screen stretched between support | pillars, and the whole surface of a screen is moistened. For this reason, vaporization heat is deprived from air, when water is vaporized by the air which contacts a screen.

The said structure WHEREIN: It is preferable to provide the support stand which can be fixed to the attaching plate part of the said support | pillar.
Furthermore, in the said structure, while forming the said support stand in a box shape, it is preferable to provide a water storage tank in the inside.

  As described above, according to the present invention, it is possible to freely select the installation location of the watering screen device and to effectively cool the installation space.

The perspective view which shows the watering screen apparatus of 1st Embodiment. The principal part longitudinal cross-sectional view of the watering screen apparatus of FIG. The partial expanded sectional view in the 3-3 line of FIG. FIG. 4 is a partially enlarged cross-sectional view taken along line 4-4 of FIG. The principal part side view which shows the different installation state of the watering screen apparatus of FIG. The principal part side view which shows another installation state of the watering screen apparatus. Sectional drawing which shows the watering screen apparatus of 2nd Embodiment. The front view which shows the watering screen apparatus of 3rd Embodiment. The front view which shows the watering screen apparatus of 4th Embodiment.

Below, 1st Embodiment of the watering screen apparatus which actualized this invention is described according to drawing.
As shown in FIG. 1, the watering screen device of this embodiment includes a frame 21. The frame 21 includes a pair of left and right supporting columns 22 and 23, an upper frame portion 24 laid between the upper ends of both the columns 22 and 23, and a lower frame laid between the lower ends of both the columns 22 and 23. The frame portion 25 is configured to form a square frame shape as a whole.

  As shown in FIG. 4, both the struts 22 and 23 are made of a stainless steel material having a C-shaped cross section, and are arranged in a state where the opening portion is on the outside. A cover 26 is detachably attached to the outer openings of the columns 22 and 23 by a plurality of screws 27. As shown in FIG. 3, the upper frame portion 24 is made of a stainless steel material having a C-shaped cross section, and is arranged with its opening portion on the lower side. The lower frame portion 25 is made of a stainless steel material having a C-shaped cross section, and is arranged with its opening portion facing upward. The lower frame portion 25 constitutes a gutter member for receiving water sprinkled from a sprinkler 44 described later.

  A box-shaped support base 28 is detachably fixed to the lower portion of the frame 21. That is, the attachment plate portions 22a and 23a that can be fixed to the upper surface of the support base 28 are welded and fixed to the lower ends of the support columns 22 and 23, respectively. A plurality of mounting holes 22b, 23b shown in FIG. 3 are formed in the mounting plate portions 22a, 23a of the columns 22, 23. The mounting plate portions 22a and 23a are attached to the upper surface of the support base 28 by a plurality of bolts 29 passing through the mounting holes 22b and 23b, and the nuts 22c and 23c are fastened to the bolts 29. A support base 28 is detachably fixed.

  A cylindrical upper rotary shaft 30 is supported between the upper end portions of both supports 22 and 23 in the upper frame portion 24 so as to be rotatable and located in a horizontal plane. A cylindrical lower rotating shaft 31 is supported between the lower end portions of both supports 22 and 23 in the lower frame portion 25 so as to be rotatable and to extend in parallel with the upper rotating shaft 30. An annular screen 32 is stretched between the rotary shafts 30 and 31. The screen 32 is made of a cloth material made of warps and wefts, and the surface of the screen 32 displays advertising advertisements. A narrow gap of about 0.3 to 3 mm is formed between the warp and weft of the screen 32.

  A motor 33 is supported on the inner surface of the upper end of the left column 22 in a state where almost the entire motor 33 is accommodated in the upper rotary shaft 30. Then, when the upper rotary shaft 30 is rotated by the motor 33, the screen 32 is circulated between the rotary shafts 30 and 31. A pair of L-shaped guide plates 54 are fixed to the inner side surfaces of the support columns 22 and 23 between the rotary shafts 30 and 31 so as to extend in parallel in the vertical direction. These guide plates 54 are engaged with the back side (inner surface side) of the left and right end edges of the screen 32 to guide the circumferential movement of the screen 32. The left and right width end portions of the screen 32 are positioned by both end flange portions 55 of the rotary shafts 30 and 31, and the left and right positions are regulated.

  As shown in FIGS. 1 and 2, an operation panel 34 is provided on the outer surface of the left column 22. On this operation panel 34, a switching knob 35 for switching the operation of the apparatus between automatic and manual, an operation start button 36, an operation stop button 37, a normal rotation button 38 for normal rotation of the screen 32, a screen A reverse button 39 for reversely rotating 32 and an emergency stop button 40 for emergency stopping the operation of the apparatus are provided.

  A power supply line 41 for the motor 33 and the operation panel 34 is accommodated in the left column 22. A connector 42 is provided on the left side surface of the support base 28, and a lower end portion of the power supply line 41 is connected to the connector 42 in the support base 28. The extension cable 43 is connected to the connector 42 to supply power to the motor 33 and the operation panel 34 via the power supply line 41.

  As shown in FIGS. 1 to 3, a watering device 44 is supported between the support columns 22 and 23 in the circulation area of the screen 32. The watering device 44 includes a square pipe-shaped water guide pipe 45 made of stainless steel provided between the support columns 22 and 23, and a plurality of water pipes that protrude from the outer peripheral surface of the water pipe 45 at predetermined intervals in the length direction. The mist injection nozzle 46 is provided. A water supply hose 47 for supplying water to the water conduit 45 of the watering device 44 is accommodated in the right column 23. A connection port 48 is provided on the right side surface of the support base 28, and a lower end portion of the water supply hose 47 is connected to the connection port 48 in the support base 28. Further, an external water supply hose 49 extending from a general water supply (not shown) is connected to the connection port 48.

  Then, an unillustrated electromagnetic valve connected to the water supply hose 47 is opened in the right column 23 to supply water into the water conduit 45 of the watering device 44. For this reason, water is sprayed in a mist form from each mist spray nozzle 46 to the back side of the front surface of the screen 32. And when this water is vaporized, the heat of vaporization is taken from air and ambient air is cooled. Moreover, the surface of the screen 32 becomes a cold radiation surface, and a radiation cold heat effect is given to the surroundings.

  A drainage hose 50 as a drainage part is connected to the lower left part of the lower frame part 25 of the frame 21 via a joint 51. A connection port 52 is provided on the left side surface of the support base 28, and a lower end portion of the drainage hose 50 is connected to the connection port 52 in the support base 28. Further, a drainage extension hose 53 extending to a drainage channel (not shown) is connected to the connection port 52. Then, the water sprayed from the watering device 44 to the screen 32 and flowing down along the front surface or the back surface of the screen 32 is collected in the lower frame portion 25 as a gutter member, and then passed through the drainage hose 50. Discharged.

  As shown in FIG. 3, a cleaning brush 65 as a pair of cleaning means is attached to both side edges of the opening of the lower frame portion 25 in the frame 21 via a brush holder 66. Each cleaning brush 65 is extended over the entire length in the width direction of the screen 32 so as to contact the entire surface of the screen 32. When the screen 32 is moved between the rotary shafts 30 and 31 by the motor 33, the surface of the screen 32 is cleaned by the cleaning brushes 65.

Next, the support base 28 attached to the attachment plate portions 22a and 23a at the lower ends of the both supports 22 and 23 will be described in detail.
As shown in FIGS. 1 and 2, a plurality of handles 61 for carrying the entire apparatus project from the front and rear surfaces of the support base 28. The handle 61 is held, and the entire apparatus can be transported to an outdoor leveling or rough terrain or indoor installation location for installation. A water storage section 62 for storing water W as a weight is defined in the center of the support base 28 except for the left and right ends. A water supply port 63 that opens to the water storage unit 62 is provided on the upper wall of the water storage unit 62, and a cap 64 that can be opened and closed is detachably attached to the water supply port 63. A drainage path (not shown) connected to the drainage hose 50 via a valve (not shown) is provided at the lower end of the water storage part 62, and the water W in the water storage part 62 is discharged when the valve is opened.

Next, the function of the watering screen device configured as described above will be described.
Now, when this sprinkling screen device is transported outdoors or indoors to a required location and the support base 28 is placed at that location, the entire device is placed in a stable state via the support base 28. And the extension cable 43 extended from the connector 42 of the left side surface of the support stand 28 is connected to a power supply. Moreover, the hose 49 extended from the connection port 48 of the right side surface of the support stand 28 is connected to a water pipe. Further, a drainage extension hose 53 extending from the connection port 52 on the left side surface of the support base 28 is connected to a drainage channel or the like.

  In this state, when the operation start button 36 on the operation panel 34 is turned on, the upper rotary shaft 30 is rotated by the motor 33 and the screen 32 stretched between the rotary shafts 30 and 31 is moved around. . At the same time, water is sprayed in the form of mist from the mist spray nozzle 46 of the water sprinkler 44 to the back side of the screen 32, and the entire surface of the screen 32 is wetted. As the screen 32 circulates, water is vaporized by the air in contact with the screen 32 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 32 to the surroundings. .

  In this case, the water sprayed on the screen 32 from the mist spray nozzle 46 of the watering device 44 flows down along the surface of the screen 32 and is collected in the lower frame portion 25 as a gutter member, and then the drainage hose. It is discharged outside through 50 and the like. Therefore, there is no possibility that the water flowing down from the screen 32 collects around the place where the watering screen device is installed.

  On the other hand, when this watering screen device is installed in a fixed state on concrete in an open space or on the rooftop of a building, a plurality of embedded bolts 29 are provided on the installation surface 67 as shown in FIG. The mounting plate portions 22a and 23a are directly attached to the mounting bolts 22b and 23b with respect to the embedded bolts 29 in a state where the support base 28 is removed from the mounting plate portions 22a and 23a at the lower ends of the support columns 22 and 23. The nuts 22c and 23c are tightened. For this reason, the entire apparatus is installed on the installation surface 67 in a stable state. At this time, if the groove 70 is formed in the installation surface 67, the hose 49, the power supply line 41 and the like are accommodated in the groove 70, and the lid 70a such as grating is provided, the hose 49 and the like are arranged without being visible. The appearance can be improved.

  Further, when the installation location of the watering screen device is moved in a short time, as shown in FIG. 6, a box-like support base 28 having a plurality of casters 69 with a lock mechanism on the lower surface is provided on both struts 22. , 23 are attached to the attachment plate portions 22a, 23a at the lower ends. In this configuration, when the water spray screen device is transported, the entire device can be moved with a light force through the casters 69 without lifting the entire device, and the transport operation can be easily performed.

Therefore, this embodiment has the following effects.
(1) In this embodiment, as the rotating shaft 30 is rotated by the motor 33, the screen 32 is circulated between the rotating shafts 30 and 31 so that the screen 32 is sprinkled with water. It has become. For this reason, even if it is the screen 32 of a large area, water can be appropriately hold | maintained on the whole surface. Therefore, water can be efficiently vaporized from the entire surface of the screen 32, and the heat of vaporization can be effectively taken away from the air, and radiation cooling heat can be given from the screen 32 to the surroundings, thereby improving the cooling capacity. Can be made.

  (2) In this embodiment, mounting plate portions 22a and 23a are provided at the lower ends of a pair of support columns 22 and 23 extending in parallel in the vertical direction. For this reason, if the support base 28 is attached to the attachment plate portions 22a and 23a, the stability is improved, and the entire apparatus can be easily and stably installed even on an outdoor rough terrain. On the other hand, if the mounting plate portions 22a and 23a of the columns 22 and 23 are fixed to the bolts 29 embedded in the installation locations, the apparatus can be stably installed without using the support base 28 for support. Therefore, the variation of the installation location of the sprinkling screen device is widened, the restriction of the installation location is reduced, and the device can be used in various situations.

  (3) In this embodiment, a water reservoir 62 is provided in the support base 28. Therefore, by storing the water W as a weight from the water supply port 63 into the water storage portion 62, the center of gravity of the watering screen device is lowered and the stability is improved. If no weight is required, the water W can be removed by opening the valve.

(4) In this embodiment, since the watering screen device can be separated into the frame 21 and the support base 28, it is convenient for handling in storage, long-distance transportation, and the like.
(5) In this embodiment, a lower frame portion 25 is constructed as a gutter member for receiving water flowing down on the screen 32 between the lower end portions of the columns 22 and 23, and water is discharged to the lower frame portion 25. A drainage hose 50 as a part is connected. The lower rotating shaft 31 of the pair of rotating shafts 30 and 31 supported between the support columns 22 and 23 is accommodated in the lower frame portion 25. For this reason, the water which flows down from the screen 32 can be collect | recovered in the lower frame part 25 as a collar member. For this reason, it can prevent that the upper surface of the support stand 28 gets wet by the discharged | emitted water, or the ground scaffolding worsens.

  (6) In this embodiment, the water conduit 45 of the water sprinkler 44 is installed and fixed between the left and right support columns 22 and 23 between the upper and lower frame parts 24 and 25 of the frame 21. Therefore, the water conduit 45 also serves as a reinforcing part for the frame 21. For this reason, it is possible to reinforce the frame 21 without increasing the number of parts of the support base 28, and therefore it is possible to suppress distortion and deformation of the frame 21 even when receiving external force such as strong wind.

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

  In the second embodiment, as shown in FIG. 7, the two screens 32 are respectively stretched in a square frame-like screen frame 81, and between the upper and lower frame portions 24, 25 of the frame 21. The two columns 22 and 23 are arranged in a fixed state in parallel with a mutual interval. The lower frame portion 25 functions as a flange member as in the first embodiment. Between the two screens 32, a water conduit 45 of a watering device 44 is installed between the two columns 22, 23, and water is supplied to the back side of both screens 32 from a plurality of mist injection nozzles 46 arranged on the water conduit 45. Is sprayed in the form of a mist.

Therefore, in the second embodiment, the same effects as in the first embodiment can be obtained, and the following effects can be obtained.
(7) In this embodiment, since it is not necessary to circulate the screen 32, a structure for rotating the screen 32, such as a motor or a rotating shaft, is not required as the frame 21, and the water spray screen is reduced in the number of parts. The structure of the device can be simplified.

(8) In this embodiment, since the screen 32 does not need to go around, an inexpensive material can be used as the screen 32.
(Third embodiment)
Next, a third embodiment of the watering screen device embodying the present invention will be described with a focus on differences from the first embodiment.

  In the third embodiment, as shown in FIG. 8, upper and lower frame portions 24 and 25 are provided between the left and right support columns 22 and 23, and an annular screen 32 is provided between the upper and lower rotary shafts 30 and 31. The stretched water spray screen device is supported in a suspended state on the indoor ceiling portion 82. That is, in this embodiment, the support base 28 is not provided, and the mounting plates 22a and 23a of both the columns 22 and 23 are provided with the plurality of bolts 29 and the frame 21 in a state where the frame 21 is turned upside down with respect to the first embodiment. By being attached to the ceiling portion 82 by the nuts 22c and 23c, the water spray screen device is supported in a suspended state.

  In the case of this third embodiment, considering that the watering screen device is supported in a suspended state on the indoor ceiling portion 82, the watering device 44 is finely made from the mist spray nozzle 46 using high-pressure air. A two-fluid injection device that uses a so-called dry mist is used. The directivity direction of the mist injection nozzle 46 is selected as necessary. In the dry mist injection method, a large amount of water is not injected from the mist injection nozzle 46 to the screen 32, and water can be prevented from flowing down along the surface of the screen 32. As a result, although the screen 32 is wetted and performs a cooling action, the drainage structure as in the first embodiment is not necessary.

Accordingly, in the third embodiment, substantially the same effects as those described in the first embodiment can be obtained, and the following effects can be obtained.
(9) In this embodiment, since the screen 32 is suspended and supported by the ceiling portion 82, the watering screen device can be installed so as not to obstruct pedestrians walking indoors.

  (10) In this embodiment, since the screen 32 is suspended and supported on the ceiling portion 82 as described above, a high display effect can be obtained by displaying an advertisement or the like on the screen 32.

(11) In this embodiment, since the screen 32 can be arranged at a high position, the cool air can be naturally lowered and drifted, so that an effective cooling effect can be obtained.
(Fourth embodiment)
Next, a fourth embodiment of the watering screen apparatus embodying the present invention will be described with a focus on differences from the first embodiment.

  As shown in FIG. 9, in this fourth embodiment, the watering screen device is erected on the ground or a paved surface (hereinafter referred to as the ground) Er, and the lower ends of the columns 22, 23 are placed in the ground. Buried. That is, in the present embodiment, a hole De is drilled in the ground Er, and the split stone 71 is laid on the bottom of the hole De, and further, the leveled concrete 72 is poured thereon. A base concrete 73 is placed on the leveling concrete 72 using a mold (not shown), and mounting plate portions 22a and 23a at the lower ends of the columns 22 and 23 are placed on the base concrete 73. It is fixed by bolts 29 and nuts 22c and 23c. Then, rising concrete 74 is placed on the base concrete 73 by a mold (not shown), and the upper surface thereof reaches the ground Er.

  The base concrete 73 may be a block-shaped precast, the base concrete 73 may be installed alone in the hole De, and the columns 22 and 23 may be placed thereon and fixed by bolts 29 and nuts 22c and 23c. . Alternatively, the base concrete 73 or both the base concrete 73 and the rising concrete 74 may be fixed to the columns 22 and 23 in the factory.

The fourth embodiment has the following effects.
(12) In this embodiment, the watering screen device can be firmly fixed to the ground Er, which is advantageous when the watering screen device is used at the same place for a long period of time.

(Example of change)
In addition, this embodiment can also be changed and embodied as follows.
In each of the above embodiments, the power supply line 41, the hose 49, and the like are configured to be drawn out from the support base 28. In contrast, a hole is provided in the cover 26 of the support columns 22 and 23, and a bush, a joint, a connection port, and the like are provided in the hole, and the power supply line 41 and the hose 49 are drawn from the hole.

-In the said 3rd Embodiment, omitting the frame part which comprises a collar member.
・ As a sprinkling screen device, the support base 28 is not provided.
(Another technical idea)
Furthermore, technical ideas other than the claims grasped by the above embodiment will be described below together with their effects.

  (A) The bridge member provided between the support columns and receiving water flowing down on the screen and provided with a discharge part of the water is provided. A watering screen device as described in 1. If it does in this way, the water which flows down from a screen can be collect | recovered in a collar member, and can be discharged | emitted from a discharge part, without splashing around.

  (B) The rotary shaft is supported between both ends of the support column, and the screen is stretched between the rotary shafts. The watering screen apparatus as described in any one of Claims. In the case of such a configuration, the screen is sprinkled with water while rotating around the rotary shaft as the rotary shaft rotates. Therefore, even if it is a screen of a large area, water can be appropriately hold | maintained on the whole surface, and the cooling effect can be heightened.

  (C) The rotating shaft is supported on both upper and lower ends of a column extending in the vertical direction, and the attachment plate portion is provided at the lower end of both columns, and the flange member is mounted on the column so as to accommodate the lower rotating shaft. The water spray screen device according to item (A) or (B), which is provided between the lower ends. When configured in this way, by attaching a support base for support to the mounting plate part at the lower end of both struts, both struts can be stably installed in an upright state, and the lower side of the screen can be rotated. The water flowing down on the shaft can be appropriately collected in the eaves member.

  (D) The watering device is provided with a watering member made of a steel material interposed between struts, according to claims 1 to 3, the technical ideas (A) to (C). The watering screen apparatus as described in any one of them. According to this configuration, it is possible to reinforce the struts without increasing the number of parts without installing a dedicated reinforcing member between the struts.

  (E) A box-shaped support base is provided on the mounting plate portion of the support column, and a water storage section is provided inside the support base. The watering screen device according to any one of items D). According to this configuration, by using the water in the water storage section as a weight, the watering screen device can be stably installed via the support base.

  (F) The water spray screen device according to claim 1, wherein a lower end portion of the support column is embedded and fixed in the ground. In this way, the watering screen device can be firmly fixed to the ground.

  DESCRIPTION OF SYMBOLS 21 ... Frame, 22 ... Left column, 22a ... Mounting plate part, 23 ... Right column, 23a ... Mounting plate part, 24 ... Upper frame part, 25 ... Lower frame part as a collar member, 28 ... Support stand, 29 ... Bolt , 30 ... Upper rotating shaft, 31 ... Lower rotating shaft, 32 ... Screen, 33 ... Motor, 44 ... Sprinkling device, 45 ... Sprinkling member, 46 ... Mist injection nozzle, 50 ... Drain hose as drainage, 62 ... Reservoir 63 ... Water supply port, 65 ... Cleaning brush as cleaning member, 67 ... Installation surface.

Claims (3)

A pair of parallel struts;
A screen stretched between the columns,
A watering screen device comprising: a watering device that is supported by the support and for spraying water on the screen, and an attachment plate portion is provided at one end of each of the supports. The watering screen device according to claim 1, further comprising a support base that can be fixed to a mounting plate portion of the support column. The water spray screen device according to claim 2, wherein the support base is formed in a box shape, and a water storage tank is provided therein.

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