KR20100002838A - Heating system for turf and method therefor - Google Patents

Abstract

PURPOSE: An underground heating system for a turf management in the winter time, and an installation method thereof are provided to grow the natural turf, and optimally manage the artificial turf. CONSTITUTION: An underground heating system for a turf management in the winter time comprises a thermal insulation material(100), a heating part(200), and a control part(300). The thermal insulation material is settled on an installation space(3) in which the ground is excavated, and blocks geothermal heat. The heating part is installed on the top of the thermal insulation material, and increases the underground temperature of the soil in which turf is gardened by an electric current. The control part supplies the electric current to the heating part when the sensed temperature of the heating part is less than the set value.

Description

Underground heating system and its installation method for winter grass care {Heating system for turf and method therefor}

The present invention relates to an underground heating system for winter lawn management and its installation method, and more particularly, to an underground heating system for winter lawn management for maintaining the ground temperature suitable for the growth of natural grass and its installation method. .

In general, grass is well used for stadium applications because it resists frequent mowing among ground cover plants covering the surface and has compressive recovery characteristics. Particularly, in natural grass, there are Kentucky Bluegrass, Penal Real Grass, Tall Fescue, Creeping Vent Grass, etc., which are optimal for growth at the temperature of 15 to 25 ° C. Bermuda grasses are used to formulate each grass according to the frequency used to suit its climate characteristics. In addition, the growth pattern is different according to the type of turf, it is important to manage to have the optimal conditions by different frequency of the appropriate notice (prediction height) and mowing (grass cutting) according to the exercise. In addition, because grass varieties have different characteristics such as abrasion resistance, pressure resistance, compression recovery, formation rate, root and leaf density, water resistance, and fertilizer demand, grass growth and irrigation methods vary depending on the temperature. Turf must be managed for growth. In particular, the higher the height (height) of the grass, the deeper the root (root zone) tends to grow, so this should also be mowed according to the purpose. For example, the lower the height of the grass is applied to a golf course or tee mat, etc., the deeper it can be used for gardens, racetracks or multi-purpose.

These natural grasses contain enough moisture, so they are textured and cushioned, so they are safe from the risk of injury, and there are few frictional scratches when slipped.

On the other hand, natural turf is difficult to grow or due to maintenance problems, artificial turf may be laid and used.

In addition, in recent years in applying grass to a stadium or park, in order to maximize the advantages of the natural grass and artificial turf in order to exhibit the optimal characteristics, natural grass is planted on the artificial grass matrix (Matrix) to the natural grass To provide morphological stability, to protect the natural grass roots, and to provide excellent touch and permanent use, durable grass is often used.

The grass laid in this way causes the ground to freeze in winter, causing inconvenience to use.

In addition, there is a problem that when the temperature falls in winter, the growth of natural grass is stopped and cannot be used.

In addition, damage to the grass pile is inevitable due to artificial work (shovel, etc.) during snowfall on the surface of composite turf, artificial turf and natural grass, and it is difficult to maintain perfect surface state after snow removal. have.

The main purpose of the present invention is to solve the above-mentioned conventional problems, by embedding a heating unit for raising the temperature of the ground where the grass is installed, to optimize the management of composite grass or artificial turf in the winter and natural grass It is to provide a system and method capable of growing.

In addition, it is an object of the present invention to facilitate snow removal during snowfall on the surface of the composite grass, artificial grass and natural grass in winter.

In addition, an object of the present invention is to be able to be installed in a variety of shapes depending on the environment in which the heating portion is embedded.

In addition, an object of the present invention is to automatically control when the ground temperature is lower than the set value.

In order to achieve the above object, the present invention is an underground heating system for the lawn management in winter, insulated on the floor of the installation space breaks the ground to block the geothermal heat, and installed on the insulating material to the current supplied from the outside Underground heating for the lawn management in winter, characterized in that the heating unit is configured to increase the ground temperature of the soil that is heated to the vegetation, and to control the current to the heating unit to detect the temperature of the heating unit below the set value What constitutes a system is a basic characteristic of the technical configuration.

According to the present invention, the winter lawn management, characterized in that the heating unit set the temperature of the heating unit embedded in the lower portion of the grass to maintain the temperature suitable for the growth of the grass 15 ℃ to 25 ℃ 20 ℃ to 25 ℃ Underground heating system for the.

According to the present invention, the heating unit is made of an underground heating system for winter turf management, characterized in that embedded at least 15cm deep from the ground.

According to the present invention, the heating unit is made of an underground heating system for the winter grass management, characterized in that one or more can be selectively applied in the group consisting of a cable, a planar heating element and a heating fiber.

According to the present invention, the cable is a heating wire heated by the current supplied from the outside in the center, the heat-resistant silicon surrounding the outer periphery of the heating wire, the covering material surrounding the outer periphery of the heat-resistant silicon, the end of the heating wire To be made of underground heating system for winter grass management, characterized in that the terminal is made of a terminal finish.

According to the present invention, the cable is made of an underground heating system for winter turf management, characterized in that the wire mesh in the form of a lattice on the upper part of the heat insulating material, and partially fastening the cable to the wire mesh. .

According to the present invention, the planar heating element includes a heating element that is heated up due to a current supplied from the outside, a conductor printed on the surface of the heating element to supply current, a protective plate for protecting the heating element and the conductor, and the end of the protective plate. It is installed to be made of the underground heating system for winter grass management, characterized in that the input terminal for inputting the current.

According to the present invention, the heating fiber is made of an underground heating system for winter turf care, characterized in that the fiber sheet woven with a yarn containing a phase change material, and a conductive material coated on one surface of the fiber sheet. To lose.

According to the present invention, the turf is made of an underground heating system for winter turf management, characterized in that one or more can be selectively applied from the group consisting of a composite turf, artificial turf and natural turf.

According to the present invention, the composite grass, the coating layer to determine the size of the turf by limiting the growth of the roots on the soil and the form stability is given, the fiber bubbles formed on the coating layer, and on the fiber bubbles Winter season, characterized in that the artificial turf planted, the soil layer on which the natural turf can be planted stably based on the artificial grass, and the natural grass seed of the natural grass germinated in the soil layer is grown in the form of tiles. Underground heating system for turf management.

According to the present invention, the artificial turf is a coating layer to determine the size of the turf by limiting the growth of the roots on the top of the soil and the form stability is given, and a fiber bubble formed on top of the coating layer to plant artificial turf To be made of underground heating system for winter grass management, characterized in that made.

According to the present invention, the control unit, the temperature sensor is installed in the heat generating unit for outputting the result of sensing the temperature of the heat generating unit as an electrical signal, the operation panel for displaying and setting the temperature of the heat generating unit detected by the temperature sensor, and the heat generation When the negative temperature is less than the set value to supply the current to the heat generating unit to the ground heating system for winter turf management, characterized in that it is configured as a temperature controller to heat the heat generating unit.

According to the present invention, in the underground heating system installation method for winter grass management, digging the ground to provide an installation space in which the heating system is installed, the step of installing the insulation in the installation space, the insulation Step of installing a heating unit on the top, covering the heating unit with soil, so that the installation method of the underground heating system for the winter turf management, characterized in that the step of laying the grass in the installation space.

According to the present invention, the step of installing the insulation of the installation space next to the step of seating the wire mesh of the grid shape, winter lawn management, characterized in that it further comprises the step of partially binding the cable to the wire mesh The underground heating system for the installation method to be made.

As described above, the underground heating system and its installation method for winter grass management of the present invention by embedding a heating unit for raising the temperature of the ground where the natural grass is installed, so that the ground does not freeze in winter and natural grass is grown By maintaining the optimum temperature, there is an effect that can grow natural grass regardless of temperature or weather.

In addition, the underground heating system and its installation method for winter grass management of the present invention by embedding a heating unit for raising the temperature of the ground where the composite grass or artificial turf is installed, the surface of the composite grass, artificial turf and natural grass in winter To make snow removal easy during snowfall, there is an effect that can realize a perfect surface state without damaging the grass pile.

In addition, the underground heating system and its installation method for the winter grass management of the present invention can be easily installed in a variety of shapes of the heating unit (cable, planar heating element, heating fiber, etc.), improving workability and easy maintenance There is one effect.

In addition, the underground heating system and its installation method for the winter lawn management of the present invention, due to the control unit to supply the current to the heat generating unit when the ground temperature is lower than the set value, so that the heat generating unit is raised, the ground temperature is less than the set value When it goes down to the heating unit automatically heats up, melting the snow on the ground and natural grass grows has the effect of maintaining the proper temperature.

In addition, the underground heating system and its installation method for the winter lawn management of the present invention can be easily installed in the place where the lawn is newly installed as well as the place where the lawn is conventionally installed by simplifying the step of installing the heating system. This improves workability and reduces costs.

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

First, in the drawings, the same components or parts are to be noted that the same reference numerals as possible. In describing the present invention, detailed descriptions of related well-known functions or configurations are omitted in order not to obscure the subject matter of the present invention.

1 is an exploded perspective view showing an underground heating system for the winter lawn management of the present invention, Figure 2 is a cross-sectional view showing an underground heating system for the winter lawn management of the present invention, Figure 3 is an underground heating system for the winter lawn management of the present inventors 4 is a perspective view showing the cable of the underground heating system for the winter lawn management of the present invention, Figure 5 is an exploded perspective view showing the surface heating element of the underground heating system for the winter lawn management of the present invention, Figure 6 is an exploded perspective view showing the heating fiber of the underground heating system for the winter lawn management of the present invention, Figure 7 is a view showing step by step of the installation method of the underground heating system for the lawn management of the present invention, Figures 8 and 9 Installation process of the heating system according to an embodiment of the present invention, Figure 10 is a view of the present invention Show the experimental results of the heating system according to the desirable example is a main picture.

First, as shown in Figures 1 to 7, look at the configuration of the underground heating system for the winter lawn management and its installation method according to the present invention, in the underground heating system for winter lawn management and its installation method, Insulation material 100 is installed in the installation space 3 to break the 1 and the heating unit 200 and the heat generating unit 200 to increase the ground temperature of the soil planting the grass 7 is raised due to the current supplied from the outside installed on the insulation 100 The controller 300 senses the temperature of the heat generating unit 200 and supplies a current to the heat generating unit 200 when the temperature is less than or equal to a set value.

Looking at the ground heating system for winter grass management in accordance with the present invention in more detail as follows.

First, the ground 1 was excavated to form the installation space 3 for embedding the heating system 10 in the ground where the grass 7 was installed.

In addition, the thermal insulation material 100 is installed at the bottom of the installation space 3 so as to block the cold air so that the ground temperature does not become 15 ° C. or less due to the geothermal heat (cold air) radiated from the installation space 3.

In addition, the heat generating unit 200 was installed on the insulating material 100. The heat generating unit 200 is raised due to the current supplied from the outside to increase the underground temperature of the soil in which the grass 7 vegetation.

Here, the heating unit 200 is set to a temperature of the heating unit 200 embedded in the lower grass 7 to 20 ℃ to 25 ℃ to maintain a temperature suitable for the growth of grass 7 15 ℃ to 25 ℃.

The heating unit 200 is embedded at least 15 cm deep from the ground, which is a depth capable of lawn management and aeration.

As such, by embedding a heating unit that increases the temperature of the ground where the natural grass is installed, prevents the ground from freezing in winter and maintains the optimal temperature for the natural grass to grow, thereby growing natural grass regardless of temperature or weather can do.

In addition, by embedding a heating unit that raises the temperature of the ground where the composite grass or artificial grass is installed, it is easy to remove snow when the snow on the surface of the composite grass, artificial grass and natural grass in winter, perfect surface without damaging the grass pile State can be implemented.

The heating unit 200 may selectively apply one or more from the group consisting of a cable 210, a planar heating element 220 and a heating fiber 230.

In this case, the cable 210, the heating wire 211 is heated in the center due to the current supplied from the outside, the heat-resistant silicon 213 surrounding the outer periphery of the heating line 211, the covering material 215 surrounding the outer periphery of the heat-resistant silicon 213, and the The end of the heating wire 211 consists of a terminal finish 217.

In particular, the coating material 215 is suitable for heat-resistant PVC for waterproofing, but is not limited to these materials.

In this case, the cable 210 has a wide temperature control range (Max. 100 ° C.), is semi-permanent, has a fast temperature response speed, no corrosion / freeze concern, individual temperature control, low installation and maintenance costs, and building load. There is an advantage to reduce.

In order to install the cable 210 in various forms, the grid mesh wire mesh 219 is seated on the insulation 100, and the cable 210 is partially bundled and fixed to the wire mesh 219.

Furthermore, the installation interval of each cable 210 is most suitable to 10cm, but can be changed according to the installation environment.

In particular, the use of reinforcing bars or metal materials to fix the bundle damages the sheath of the cable 210, so an insulating tape (not shown) or PVC tie (not shown) must be used.

In addition, the planar heating element 220, the heating element 225 is heated up due to the current supplied from the outside, the conductor 227 for supplying the current printed on the surface of the heating element 225, the protective plate 221 for protecting the heating element 225 and the conductor 227, It is installed at the end of the protective plate 221 and consists of an input terminal 223 for inputting a current.

In particular, the material of the heating element 225 is preferably an ink mainly composed of conductive carbon particles and a plastic matrix resin, but is not limited thereto.

In addition, the material of the conductor 227 is suitable for the silver component emitting far infrared rays, but is not limited to these materials.

Further, the heating fiber 230 is composed of a fiber sheet 231 woven from a yarn containing a phase change material, and a conductive material 233 coated on one surface of the fiber sheet 231.

As such, it is possible to easily install the heat generating portion (cable, planar heating element, heat generating fiber, etc.) in a variety of shapes, to improve workability and easy maintenance.

On the other hand, the grass 7 installed in the upper portion of the heat generating unit 200, may be selectively applied to one or more in the group consisting of a composite grass 400, artificial grass 405 and natural grass 411.

Here, the composite grass 400, the coating layer 401 to determine the size of the turf by limiting the growth of the roots on the soil 5, the form stability is given, the fiber bubble 403 formed on the coating layer 401, and the fiber bubble Artificial grass 405 planted on 403, the soil layer 407 which can stably grow natural grass 411 based on the artificial grass 405, and the natural grass seed 409 of natural grass 411 in the soil layer 407 is germinated and grown in tile form Consists of 411 natural grass.

In addition, the artificial turf 405 is a coating layer 401 to determine the size of the turf by limiting the growth of the roots on the soil 5 and the shape stability is provided, and the fiber is formed on the coating layer 401 planted artificial turf 405 It consists of bubbles 403.

On the other hand, the control unit 300 for sensing the temperature of the heat generating unit 200 and supplies a current to the heat generating unit 200 is less than the set value.

Here, the control unit 300, the temperature sensor 310 is installed in the heat generating unit 200 and outputs the result of sensing the temperature of the heat generating unit 200 as an electrical signal, and displays and set the temperature of the heat generating unit 200 detected by the temperature sensor 310 The operation panel 321 and a temperature controller 320 supplying a current to the heat generating unit 200 when the temperature of the heat generating unit 200 is lower than a set value to raise the heat generating unit 200.

Looking at the installation method of underground heating system for winter grass management according to the present invention.

As shown in Figure 8 to 9, step S100 to dig the ground 1 to provide the installation space 3, the heating system is installed, the step of installing the insulation 100 in the installation space 3 S200, the insulation 100 upper The step S300 of installing the heating unit 200, the step S400 of covering the heating unit 200 with soil 5, the step S500 of laying the grass 7 in the installation space 3.

Here, the step S200 of installing the heat insulating material 100 of the installation space 3 next to the step of mounting the grid mesh wire mesh 219, and may further comprise a step S320 to partially bundle the cable 210 to the wire mesh 219. have.

The following is a test example of the present invention to determine a suitable heating temperature of the heating unit 200 for maintaining a temperature suitable for the growth of grass 7 in winter 15 ℃ to 25 ℃.

Test Methods

In order to find a suitable temperature for the growth of the natural grass 411 15 ℃ to 25 ℃ the heating unit 200 was buried 15cm from the ground of the turf management and aeration depth to test the proper heating temperature of the heating unit 200.

Considering the suitability of the control and the field without the heating unit 200, the most advantageous temperature of the cable 210 is heated to 10 ℃, 15 ℃, 20 ℃, 25 ℃, respectively, the planar heating element 220 is 20 ℃, the heating fiber 230 The result of observation for 9 days by heating at 20 ° C. is summarized as follows.

As shown in the results of Table 1, the control at the minimum temperature of -6.4 ℃ to -6 ℃ Although the ground and ground temperatures are frozen, it can be seen that the natural turf 411 grows at 20,25 ° C and 20 ° C.

As a result of further 17 days in the above state, as shown in the photograph shown in FIG. 10, the growth activation difference between the heating unit 200 and the control is gradually increasing, and natural grass is most activated at the temperature of 20 to 25 ° C. of the heating unit 200. It is becoming.

In other words, growth is good in cables and planar heating elements, but less in heating fibers.

In order to maintain the ground temperature 15 ℃ to 25 ℃ suitable for the growth of natural grass 411 through the test method as described above, if the heating part 200 buried at least 15 cm deep from the ground is set to 20 ℃ to 25 ℃ It confirmed that this became active.

The present invention described above is not limited to the above-described embodiment and the accompanying drawings, and various substitutions, modifications, and changes are possible within the scope without departing from the technical spirit of the present invention. It will be evident to those who have knowledge of.

1 is an exploded perspective view showing the underground heating system for the inventors lawn management in winter.

Figure 2 is a cross-sectional view showing the underground heating system for the inventors lawn management in winter.

Figure 3 is a cross-sectional view showing a composite grass of the underground heating system for the inventors lawn management in winter.

Figure 4 is a perspective view showing the cable of the underground heating system for the inventors lawn management in winter.

Figure 5 is an exploded perspective view showing a surface heating element of the underground heating system for the inventors lawn management in winter.

Figure 6 is an exploded perspective view showing the heating fiber of the underground heating system for the inventors lawn management in winter.

Figure 7 is a step-by-step diagram showing the installation method of the underground heating system for the inventors lawn management in winter.

8, 9 is an installation process of the heating system according to an embodiment of the present invention.

Figure 10 is a photograph showing the experimental results of the heating system according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

1: Ground 3: Installation Space

5: soil 7: grass

10: heating system

100: insulation

200: heating unit

210: cable 211: heating wire

213: heat resistant silicone 215: coating material

217: finish 219: wire mesh

220: planar heating element 221: protective plate

223 input terminal 225 heating element

227: conductor

230: heat generating fiber 231: fiber sheet

233: conductive material

300: control unit

310: temperature sensor 320: temperature controller

321: Operation Panel

400: composite grass

401: coating layer 403: fiber bubble

405: artificial turf 407: soil layer

409: Natural Grass Seed 411: Natural Grass

Claims (14)

In underground heating system for winter grass management, Insulation material which blocks ground heat by being seated on the floor of the installation space that broke the ground, A heating unit installed at an upper portion of the heat insulator to raise the ground temperature of the soil in which the grass is heated by the electric current supplied from the outside, and Underground heating system for winter turf management, characterized in that configured to detect the temperature of the heat generating unit and the control unit for supplying a current to the heat generating unit when less than a set value. The method of claim 1, The heating unit, Underground heating system for winter turf care, characterized in that the temperature of the heating portion buried in the lower part of the grass in order to maintain a temperature suitable for the growth of grass 15 ℃ to 25 ℃ set to 20 ℃ to 25 ℃. The method according to claim 1 or 2, The heating unit, Underground heating system for winter turf care, characterized in that buried at least 15cm deep from the ground. The method of claim 1, The heating unit, Underground heating system for winter turf care, characterized in that one or more can be selectively applied in the group consisting of a cable, a planar heating element and a heating fiber. The method of claim 4, wherein The cable, Heating wire heated in the center due to the current supplied from the outside, Heat-resistant silicon surrounding the outer periphery of the heating wire, And covering material surrounding the outer periphery of the heat-resistant silicon, Underground heating system for winter turf management, characterized in that the end portion of the heating wire terminal finish processing. The method according to claim 4 or 5, The cable, Underground heating system for the winter lawn turf management, characterized in that the wire mesh of the grid-like seating on the upper portion of the heat insulating material, and partially bundle the cable to the wire mesh. The method of claim 4, wherein The planar heating element, Heating element heated by the current supplied from the outside, A conductor printed on the surface of the heating element to supply a current; A protective plate for protecting the heating element and the conductor; Underground heating system for winter turf management, characterized in that formed on the end of the protective plate made of an input terminal for inputting a current. The method of claim 4, wherein The heating fiber, A fibrous sheet woven from yarn containing a phase change material, Underground heating system for winter turf care, characterized in that made of a conductive material coated on one surface of the fiber sheet. The method of claim 1, The grass, Underground heating system for winter turf care, characterized in that more than one can be selectively applied in the group consisting of composite grass, artificial grass and natural grass. The method of claim 9, The composite grass, A coating layer which determines the size of the turf by limiting the growth of the roots on top of the soil and gives shape stability; A fiber bubble formed on the coating layer, Artificial grass planted on the fiber bubble, A soil layer in which natural grass can be planted stably based on the artificial grass; Underground heating system for the lawn management in winter, characterized in that the natural grass seed of the natural grass is germinated in the soil layer and cultivated in the form of tiles. The method of claim 9, The artificial turf, A coating layer which determines the size of the turf by limiting the growth of the roots on top of the soil and gives shape stability; Underground heating system for winter turf care, characterized in that formed on top of the coating layer made of fiber bubbles planted artificial grass. The method of claim 1, The control unit, A temperature sensor installed in the heating unit and outputting a result of sensing the temperature of the heating unit as an electric signal; The operation panel for displaying and setting the temperature of the heat generating unit detected by the temperature sensor, and the temperature controller for supplying a current to the heat generating unit when the temperature of the heat generating unit is lower than the set value so that the heat generating unit is heated for the winter turf management Underground heating system. In the installation method of underground heating system for winter grass management, Digging the ground to provide an installation space in which the heating system is installed, Installing insulation in the installation space; Installing a heat generating unit on the heat insulating material, Covering the heating part with soil; Installing the underground heating system for the winter grass management, characterized in that the step of laying grass in the installation space. The method of claim 13, Step of installing the wire mesh of the grid form next to the step of installing the insulation of the installation space, Installing the underground heating system for the winter grass management, characterized in that it further comprises the step of fastening the cable to the wire mesh.

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