JP4969114B2 - Lawn surface laying material - Google Patents

Description

  The present invention relates to a curing laying material for curing a lawn surface, such as a large athletic field or a soccer stadium.

  Competition stadiums with lawn fields, such as athletics stadiums, soccer and rugby stadiums, are also used as event venues for large-scale concerts, etc. for non-competitive purposes. May be provided.

When an event is held at such a competition stadium, normally, a curing laying material is laid in the grass field section so that curing can be performed without damaging the lawn, and the stage and audience seats are provided thereon. As the curing material, many materials described in Patent Document 1 below are used. The curing laying material has a plurality of holes for sending air to a plant covered with the curing laying material, with a surface capable of supporting one or more persons above a part of the athletic field. However, it has a shape that creates a free space between the surface and the athletic field by using a surface that is dimensioned to bridge all types of footwear and a positioning means for positioning the curing covering material on the athletic field. A positioning member including a member extending downward and a leg portion extending in a transverse direction from the member extending downward and capable of dispersing a load applied to the member extending downward. However, in order to enable the plant of the part covered with this laying material to grow, it is comprised by the member which lets light pass.
Japanese Patent No. 3071821

  However, in the invention described in Patent Document 1 described above, the light-transmitting curing laying material is used so that the plant in the covered portion can grow. However, a stage, a rubber sheet, or the like is placed on the curing laying material. In the installed part, sunlight was completely blocked and the photosynthesis of the lawn could not be performed, so that there was a problem of yellowing or withering due to the lack of sunlight on the lawn. As countermeasures, we have laid a curing material just before the event to minimize the period of time during which sunlight is blocked. However, the installation and removal of the curing material is a manual operation. There were problems such as requiring enormous man-hours in a short period of time.

  Therefore, the main problem of the present invention is to reduce the yellowing and withering of the lawn even when the sunlight is interrupted, thereby enabling early recovery after removal and sufficient time for laying or removing the curing laying material. An object of the present invention is to provide a lawn-surface curing material having advantages such as being able to carry out with sufficient margin.

In order to solve the above-mentioned problem, the present invention according to claim 1 is a curing laying material for temporarily covering and curing a lawn surface in an athletic field, a soccer field or a rugby field having a lawn field. ,
The curing laying material is provided with ribs erected in a lattice shape in the vertical direction and the horizontal direction so as to form a plurality of cells on the back surface of the front plate, and in order to allow outside air to enter the cells. A lawn surface curing characterized in that a ventilation passage is formed by cutting out part of the cell, and a light emitting device comprising a light emitting diode for irradiating the lawn surface with light is installed in most or all of the cells. Laying material is provided.

In the present invention according to claim 1, the curing laying material is provided with ribs standing in a lattice shape in the vertical direction and the horizontal direction so as to form a plurality of cells on the back surface of the front plate, In order to allow outside air to enter, a part of the rib is cut out to form a ventilation path, and a light-emitting device comprising a light-emitting diode for irradiating light on the lawn surface is installed in most or all of the cells. It is. Therefore, by projecting light onto the lawn with the light emitting device, even if sunlight is blocked, the growth of the lawn can be maintained, and the yellowing and withering of the lawn can be reduced. In addition, since the growth of the lawn can be maintained, there is no need to lay or remove in a short period of time just before or just after the event, as with conventional curing laying materials. Can be performed.

In the curing laying material, ribs erected so as to partition a plurality of cells are installed in a lattice shape on the back surface side of the front plate, and the light emitting device is installed in most or all of the cells . Basically, by arranging a light emitting device for each cell, it becomes possible to irradiate uniform light to each cell, and the yellowing and withering of the lawn can be reduced.

Moreover, due to the use of light-emitting diodes as before Symbol emitting device, only a small size, can be easily installed in a narrow space on the back surface side of the curing laying material. Moreover, the thermal effect on the lawn can be reduced during lawn curing.

According to a second aspect of the present invention, there is provided the lawn surface curing material according to the first aspect, wherein the light emitting diode has a light quality mainly composed of red light.

In the present invention according to the second aspect, by using a light emitting diode of red light as the light emitting device, the effect of maintaining and maintaining lawn can be exhibited to a higher degree.

According to a third aspect of the present invention, there is provided the curing laying material for a lawn surface according to any one of the first and second aspects, wherein the curing laying material is constituted by a light transmissive member.

In the invention according to the third aspect , the curing laying material can be used as a lighting effect at an event by configuring the curing laying material with a light transmissive member.

According to a fourth aspect of the present invention, the curing laying material is constituted by a light transmissive member, and the curing is performed by light transmitted by a part of the light emitting device group in the light emitting device group in a state where a large number of the light laying members are laid on the lawn surface. The lawn surface curing laying material according to claim 1 or 2 , wherein a guide mark is displayed on the surface side of the laying material.

In the invention described in claim 4 , a part of the light emitting devices installed on the back side of the curing laying material is used as display light for guiding landmarks at night events.

  As described above in detail, according to the present invention, even if the sunlight is interrupted, by reducing the yellowing and withering of the lawn, it is possible to recover quickly after the removal, and the work of laying or removing the curing laying material is sufficient. It is advantageous that it can be performed with a sufficient time margin.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a plan view of a stadium showing an installation state of curing laying materials 1, 1,... According to the present invention. FIG. 2 shows a curing laying material 1 according to the present invention, (A) is a plan view, (B) is a right side view, and (C) is a front view. 3 is a bottom view of the curing laying material 1, FIG. 4 is a sectional view taken along line IV-IV in FIG. 3, and FIG. 5 is an enlarged view of V in FIG.

  For example, when an event such as a large-scale concert is held in a competition stadium having a lawn field part F, a general part of the curing laying material laid over almost the entire surface of the lawn field part F or the entire event use part. Curing laying material 1 is suitably used for a part where sunlight is completely blocked, such as a stage ST or rubber mat is laid, for example (the seat SE portion). The In addition, although it is also possible to lay the curing laying material 1 according to the present invention on the entire surface of the lawn curing surface, since the unit price per curing laying material is increased by providing a large number of light emitting devices, In reality, it is desirable to use it together with a commonly used curing laying material.

  As shown in FIGS. 3 to 5, the curing laying material 1 includes a plurality of light emitting devices 3, 3,... For irradiating the lawn surface with light on the back side of the curing laying material body 2 that covers the lawn surface. And the required number of power supply units 4, 4... Intended to maintain the growth of the lawn by irradiating the light with the light emitting device 3 even when the sunlight hitting the lawn is blocked or reduced. is there.

  The curing laying material body 2 is a square plate having a size of about 1 m × 1 m made of a light-transmitting resin, and a space is formed between the grass and the lawn in the installed state. In the illustrated example, ribs 7, 7... Standing in a lattice shape in the vertical direction and the horizontal direction are installed on the back surface of the front plate 5 so as to form a plurality of cells 6, 6. Many cell-like spaces are formed between them. In addition, circular leg plates 8, 8... Are provided at predetermined points at the intersections of the ribs 7, 7. The surface plate 5 is preferably made of a translucent material so that it can transmit sunlight, but may be non-translucent in some cases.

  On the other hand, a large number of small grooves are formed on the upper surface of the surface plate 5 to prevent slippage. Also, especially in the summer, the inside of the curing laying material becomes hot and humid, which adversely affects the growth of the lawn. Therefore, as shown in FIG. 2, in order to allow outside air to enter the cells 6, 6. Ventilation passages 7a, 7a... Are formed by cutting out the portions. By the air passages 7a, 7a, etc., the outside air can pass through the inside of the curing laying material 1, and the temperature and humidity can be stabilized.

  A large part of each of the cells 6, 6... Is provided with a light emitting device 3, 3,..., And a power supply unit 4 for supplying power to the light emitting devices 3, 3. , 4... Are arranged. The power supply unit 4 can supply power to a predetermined number of light emitting devices 3, 3. When the curing laying material 1 is installed in the lawn field part F, the light emitting device 3 emits light in order to maintain the growth of the lawn in place of the blocked or reduced sunlight. By dividing the plurality of cells 6 as described above and disposing the light emitting device 3 in each cell, it becomes possible to irradiate uniform light to each cell and reduce yellowing and withering of the lawn. Will be able to.

  Various light emitters such as an incandescent bulb, a fluorescent lamp, and a light emitting diode (hereinafter referred to as “LED”) can be used for the light emitting device 3. However, the heat effect on the lawn, the temperature rise in the cell 6 can be prevented, and the running cost From the viewpoints of reduction, the type of light color, etc., it is preferable to use an LED. In addition, the effect of light on plant growth affects the light color (wavelength of light), and in particular red light (wavelength of about 600 to 700 nm) is found to be the most effective wavelength region for plant photosynthesis. Therefore, a red light LED can be suitably used as the light emitting device 3. Moreover, since the illuminance of the red LED can be made brighter than the illuminance of the white LED under the same condition as a result of the experiment, the use of the red LED also has an effect of reducing power consumption.

  The power supply unit 4 is preferably a rainproof type, and is installed in a necessary number so that power can be supplied to each curing laying material 1 in consideration of handling properties during installation and removal work of the curing laying material 1. Is desirable.

  By laying the curing laying material 1 on the lawn surface, it is possible to maintain the growth of the lawn by irradiating the lawn with light-emitting devices 3, 3. As a result, the yellowing and withering of the lawn can be suppressed. In addition, since the lawn is less likely to yellow or wither, it is not necessary to perform laying or removal work in a short period of time just before or just after the event, as with conventional curing laying materials. Can be performed.

[Other examples]
(1) The curing laying material 1 can be used as an illumination effect during an event by making at least the surface plate 5 light transmissive.
(2) The curing laying material 1 has at least the surface plate 5 light-transmitting, and the light transmitted by some of the light-emitting device groups among the light-emitting device groups 3, 3. Thus, a guide mark can be displayed on the surface side of the curing laying material 1. Examples of the guide mark include an arrow-shaped guide display, a passenger seat number display, and an evacuation passage guidance display with colored light that is distinguished from others in the passage portion between the passenger seats for each block.

  In this example, a laying experiment was performed in an athletic stadium, and the effect of light irradiation by the light emitting device 3 was observed. As shown in FIG. 6, the lawn surface is divided into four sections, only the light-transmitting curing laying material 1 is installed in the section A, and the curing laying material 1 in which many white LEDs are attached to the section B. Is installed, a light shielding cover is laid on the upper surface, a curing laying material 1 with a large number of red LEDs is installed in the section C, a light shielding cover is laid on the upper surface, and a curing laying material is installed in the section D. After 1 was installed, a shading cover was laid on the top surface.

And after leaving for 3 days, the state immediately after removing the curing laying material is shown in FIG. 7, the state after 3 days is shown in FIG. 8, and the properties at that time are summarized in Table 1 below.

  From the above results, in the curing laying material 1 of the present invention, even when the sunlight is completely blocked, the growth of the lawn can be maintained and removed by irradiating the light with the light emitting devices 3, 3,. Later, it was confirmed that the yellowing of the lawn could be significantly suppressed.

It is a stadium top view which shows the installation state of the curing laying material 1,1 ... which concerns on this invention. The curing laying material 1 which concerns on this invention is shown, (A) is a top view, (B) is a right view, (C) is a front view. It is a bottom view of the curing laying material 1. It is the IV-IV sectional view taken on the line of FIG. 3A and 3B are enlarged views of FIG. 3, in which FIG. 3A is a bottom view, FIG. 3B is a right sectional view, and FIG. 3C is a lower sectional view. It is an experimental procedure figure in an Example. It is a figure (photograph) which shows the state at the time of removal of a curing plate. It is a figure (photograph) which shows the state 3 days after removal of a curing plate.

  DESCRIPTION OF SYMBOLS 1 ... Curing laying material, 2 ... Curing laying material main body, 3 ... Light-emitting device, 4 ... Power supply unit, 5 ... Surface plate, 6 ... Cell, 7 ... Rib, 8 ... Leg plate

Claims (4)

Curing laying material for temporarily covering and curing the lawn surface in an athletic field, a soccer field or a rugby field with a lawn field,
The curing laying material is provided with ribs erected in a lattice shape in the vertical direction and the horizontal direction so as to form a plurality of cells on the back surface of the front plate, and in order to allow outside air to enter the cells. A lawn surface curing characterized in that a ventilation passage is formed by cutting out part of the cell, and a light emitting device comprising a light emitting diode for irradiating the lawn surface with light is installed in most or all of the cells. Laying material. The light emitting diode curing laying material of the lawn surface according to claim 1, characterized in that the light quality mainly composed of red light. The curing material for a lawn surface according to claim 1 , wherein the curing material is composed of a light transmissive member. The curing laying material is composed of a light-transmitting member, and a guide mark is formed on the surface side of the curing laying material by light transmitted by a part of the light-emitting device group among the light-emitting device group in a state of being laid on a lawn surface. The lawn surface laying material according to any one of claims 1 and 2 .