KR20200132192A - Artificial wave generator - Google Patents

Abstract

The present invention relates to an artificial wave generator and, more specifically, to an artificial wave generator, which adjusts a pressure and a water current shape of discharged water, thereby generating various artificial waves like waves on the beach. The artificial wave generator includes: a main body including an inlet through which the water is introduced, a transfer part which is connected to the inlet and through which the introduced water is moved, and an outlet which is connected to the transfer part and through which the moved water is discharged; and a wave adjusting means provided on the outlet and adjusting the water pressure and the water current shape of the discharged water by adjusting a cross-sectional area of the outlet.

Description

Artificial wave generator {ARTIFICIAL WAVE GENERATOR}

The present invention relates to an artificial wave generator, and more particularly, to an artificial wave generator capable of generating more various artificial waves, such as waves on a beach, by controlling the pressure and current shape of discharged water.

The present invention relates to an artificial wave generator, and more particularly, to discharge water to form an artificial wave in a pool.

In general, a pool is a kind of water play facility, in which water is stored or flowed, and people enter the water to enjoy the water play.

These pools are being developed and installed in various forms such as standard pools, running water pools, and wave pools according to the flow of water.

Here, the wave pool is a swimming pool with artificially generated waves, similar to the sea. The wave pool is a major component of Warner Park (leisure center), which is often located indoors and outdoors, and requires a device that generates artificial waves.

Conventional technology (Registration Patent No. 10-1854002) is a wave generating device, which is fixed to a support frame, a rail portion fixed to the support frame, a water surface contact portion vertically moving along the rail portion, and the support frame. It includes a driving unit that raises or freely falls the water-surface contact part, wherein the water-surface contact part is denser than water and has a wave-generating surface formed in a curved shape to generate an artificial wave specialized for imaging at low cost. .

However, the conventional technology has a problem that it does not satisfy a user who is fed up with a simple wave pool by not generating artificial waves having various current shapes.

The present invention has been conceived to solve the above problem, and an object of the present invention is to provide an artificial wave generator that generates various artificial waves such as waves on the beach without going to the beach.

Another object of the present invention is to provide an artificial wave generator that can be used by pulling up water at a height lower than the discharge port.

Another object of the present invention is to provide an artificial wave generator that extends the life of a pump and facilitates maintenance.

Another object of the present invention is to provide an artificial wave generator that prevents water from flowing back to a pump that is not in use.

The present invention for the purpose of solving the above problems has the following configurations and features.

The present invention is provided in the main body and the discharge port including an inlet through which water is introduced, a transfer part connected to the inlet and through which the introduced water is moved, and a discharge port through which the transferred water is discharged, and the cross-sectional area of the discharge port is It includes a wave control means for adjusting the water pressure and the shape of the water discharged by controlling.

In addition, the wave control means moves the first body constituting the upper side of the discharge port, the second body constituting the lower side of the discharge port, and the first body and the second body in a vertical direction, and the first body with respect to the front side. And a lift that adjusts an angle to which the front end of the second body is directed.

In addition, the artificial wave generator may have a height of the discharge port higher than that of the inlet port, and a pump for raising the introduced water may be provided at the inlet port.

In addition, the inlet port and the pump are composed of a plurality, the first pump provided in the first inlet and the second pump provided in the second inlet are driven alternately at predetermined intervals, and the inlet port is connected to the inlet port when the pump is driven. It may be provided with a backflow prevention means for opening and closing the inlet when not driven.

The present invention having the above configuration and characteristics has the effect that it is possible to generate various artificial waves such as waves on the beach by controlling the water pressure and the shape of the current by adjusting the cross-sectional area of the discharge port.

In addition, the present invention is effective in that water can be discharged in more various directions by controlling not only the cross-sectional size but also the angle at which the shear is directed to the front of the first body and the second body through a lift, thereby generating more various artificial waves. Has.

In addition, the present invention has an effect that the height of the discharge port is formed higher than the height of the inlet port, and a pump is connected to the inlet port, so that water at a height lower than the discharge port can be pulled up and used.

In addition, the present invention has the effect that the life of the pump can be extended by driving a plurality of pumps alternately and maintenance is easy.

In addition, the present invention prevents water from being held by a non-driving pump by providing a detention prevention means, thereby prolonging the service life of the pump, as well as providing the effect of cross-maintaining the non-driving pump among a plurality of pumps. Have.

1 is a side cross-sectional view of an artificial wave generator according to an embodiment of the present invention.
Figure 2 is a plan cross-sectional view for explaining the backflow preventing means.
3 is a diagram for describing a protective film.

The present invention will be described in detail in the text of the bar, implementation (態樣, aspect) (or embodiment) that can apply various changes and can have various forms. However, this is not intended to limit the present invention to a specific form of disclosure, it should be understood to include all changes, equivalents, and substitutes included in the spirit and scope of the present invention.

The terms used in the present specification are only used to describe specific embodiments (sun, 態樣, aspect) (or examples), and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In the present application, terms such as ~include~ or ~consist~ are intended to designate the presence of features, numbers, steps, actions, components, parts, or a combination thereof described in the specification, but one or more other features It is to be understood that the presence or addition of elements or numbers, steps, actions, components, parts, or combinations thereof, does not preclude in advance the possibility of the presence or addition.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. Terms as defined in a commonly used dictionary should be interpreted as having a meaning consistent with the meaning in the context of the related technology, and should not be interpreted as an ideal or excessively formal meaning unless explicitly defined in this application. Does not.

The ~1~, ~2~, etc. described in the present specification will only be referred to to distinguish different constituent elements, and are not limited to the order of manufacture, and the names in the detailed description and claims of the invention It may not match.

Throughout the present specification, when a part is said to be "connected" with another part, it is not only "directly connected", but also "electrically connected" or "indirectly connected" with another element interposed therebetween. "Including the case.

1 is a side cross-sectional view of an artificial wave generator according to an embodiment of the present invention.

Referring to FIG. 1, the artificial wave generator 1 includes a body 11 and a wave control means 12.

The main body 11 includes an inlet 111 through which water is introduced, a transfer unit 112 connected to the inlet 111 to move the introduced water, and a discharge port 113 through which the moved water is discharged. Include. The height of the discharge port 113 (12 o'clock-6 o'clock direction based on FIG. 1) may be formed higher than the height of the inlet 111. The water introduced through the inlet 111 by the pump 13 moves from the lower side to the upper side through the transfer unit 112, so that water at a height lower than the discharge port 113 can be pulled up and used.

The pump 13 is illustratively provided with a propeller (not shown) inside, and as the propeller rotates by the motor, water flowing into the pump 13 is caused by the centrifugal force of the propeller to the inlet 111 and the transfer unit ( It may be discharged through the discharge port 113 via 112, but is not limited thereto, and the pump 13 may be various as long as it can move water from the lower side of the transfer unit 112 to the upper side.

The shape of the transfer part 112 may have various shapes, such as a straight, S-shaped, coil shape, in a state in which the inlet 111 and the discharge port 113 are connected. In addition, as will be described later, a plurality of inlets 111 may be formed. When the number of the inlets 111 is not the same as the number of the outlets 113, the transfer part 112 is divided into a Y-shape to connect both the inlet 111 and the outlet 113. Can include.

Referring to Figure 1, the wave control means 12 is provided in the discharge port 113, by adjusting the cross-sectional area of the discharge port 113 to adjust the water pressure and the current shape of the discharged water. That is, even when the intensity of the pump 13 is constant, the cross-sectional area of the discharge port 113 is reduced by the wave control means 12, thereby increasing the pressure of water discharged through the discharge port 113, and conversely, the wave control means ( By increasing the cross-sectional area of the discharge port 113 by 12), the pressure of water discharged through the discharge port 113 is reduced.

In addition, by variously adjusting the cross-sectional shape of the discharge port 113, the shape of the current (wave shape) can be variously changed. Illustratively, by moving the stopper located in the horizontal direction perpendicular to the vertical direction of the discharge port 113 (12 o'clock-6 o'clock based on FIG. 1), the discharge port 113 is formed longer in the vertical direction compared to the horizontal direction. , It can generate long-shaped artificial waves along the vertical direction. The artificial wave discharged through the discharge port 113 having such a cross section is more affected by gravity as it proceeds forward (3 o'clock based on FIG. 1), thereby generating an artificial wave that breaks more violently. have. As another example, the cross section of the discharge port 113 may be formed in an S-shape, so that waves in the pool may be generated even more by an artificial wave discharged through the S-shaped discharge port 113.

Referring to FIG. 1, the wave control means 12 for converting the cross-sectional size of the discharge port 113 is illustratively described, the wave control means 12 is a first body 121 constituting the upper side of the discharge port 113 , It may include a second body 122 constituting the lower side of the discharge port 113 and a lift 123 for moving the first body 121 and the second body 122 in the vertical direction. It may also include a driving unit 126 for driving the lift 123. Here, the lift 123 may be a fluid damper, a fluid absorber, a fluid cylinder, or the like. Hereinafter, an exemplary case in which the lift 123 is a fluid cylinder will be described. When the lift 123 is a fluid cylinder, the driving unit 126 may be a fluid control unit, which will be described in detail later in the description.

Referring to FIG. 1, the first body 121 is connected to the hinge member 124 and disposed in front of the hinge member 124, and the first body 121 is connected to the hinge member 124 and is connected to the hinge member. It includes a first rear body disposed at the rear based on (124). The first front body and the first rear body are respectively connected to a fluid cylinder (lift 123), and the fluid cylinder is connected to a fluid control unit through a fluid transfer pipe 125. Here, the fluid control unit supplies fluid to the fluid cylinder or sucks fluid in the fluid cylinder.

When fluid is supplied from the fluid control unit, the pressure of the fluid increases inside the fluid cylinder connected to the first body 121 and thus the length of the fluid cylinder increases (the piston moves downward by the pressure of the fluid in the fluid cylinder) Accordingly, the first body 121 connected to the fluid cylinder is moved in a downward direction (6 o'clock on the basis of FIG. 1), so that the cross-sectional area of the discharge port 113 can be reduced. On the contrary, when the fluid control unit sucks the fluid inside the fluid cylinder, the fluid pressure between the fluid cylinder and the fluid transfer tube 125 decreases, so that the length of the fluid cylinder decreases to reduce the volume of the fluid cylinder and the fluid transfer tube 125. It moves in the direction, and accordingly, the first body 121 may move in the upward direction (12 o'clock direction based on FIG. 1).

The movement of the second body 122 upwards or downwards is different from the movement of the first body 121 upwards or downwards, but only the directions (upper and lower) are the same, so a detailed description will be omitted. do.

The fluid control unit may be controlled through a control unit (not shown), and the fluid control unit may operate to supply fluid to the fluid cylinder or to suck the fluid in the fluid cylinder in response to a control signal from the control unit.

The control unit (not shown) may include various control configurations or computing devices (eg, various electronic devices or electronic modules such as a computer and a processor) known to a person skilled in the art. For example, the control unit may be configured to transmit a signal or command generated according to a program or algorithm included therein to the fluid control unit. For example, the control unit may be an internal configuration included (installed) in the fluid control unit, or may be an independent configuration that is provided separately from the fluid control unit at a position adjacent to the fluid control unit and is connected to the fluid control unit by wire or wirelessly. .

In this way, in a state in which the water pressure provided by the pump 13 is constant, the pressure of the water discharged through the discharge port 113 can be adjusted by adjusting the cross-sectional size of the discharge port 113, so that the size and speed of the artificial wave, etc. There is an advantage that various artificial waves can be generated by controlling

In addition, the lift 123 of the wave adjusting means 12 may adjust the angle at which the front ends of the first body 121 and the second body 122 are directed toward the front. Illustratively referring to FIG. 1, as described above, the first body 123 includes a first front body disposed in front of the hinge member 124 (at 3 o'clock on the basis of FIG. 1 ), and a hinge member. It includes a first rear body disposed at the rear (9 o'clock on the basis of FIG. 1) based on (124). At this time, when the fluid control unit sucks fluid from the fluid cylinder connected to the first front body and simultaneously provides fluid to the fluid cylinder connected to the first rear body, the first front body and the first rear body are hinge members 124 ), so that the first front body faces upwards than the first rear body by rotating the transverse direction perpendicular to the longitudinal direction (3 o'clock-9 o'clock based on FIG. 1). The body 121 may be inclined upward with respect to the front. Likewise, the second body 122 is connected to the hinge member 124 and is connected to the hinge member 124 and is connected to the hinge member 124 and the second front body disposed in front of the hinge member 124. It may include a second rear body disposed at the rear. In addition, by making the second front body inclined upward relative to the front of the second rear body by the fluid control unit, as a result, the angle of the discharge port 113 can be adjusted by the first body 121 and the second body 122. Therefore, there is an advantage that the height at which water is discharged can be adjusted.

As described above, the fluid control unit is connected to enable communication with a control unit (not shown), and can operate to supply fluid to the fluid cylinder or to suck the fluid in the fluid cylinder in response to a control signal from the control unit.

Although not shown, the wave control means 12 is connected to the fluid control unit and the fluid cylinder, and the left side of the discharge port 113 (at 3 o'clock with reference to Fig. 2 to be described later) and the right side (with reference to Fig. 2 to be described later). A horizontal body constituting the viewing direction) may be further included, and the horizontal body may be connected to a hinge member 124 that hingesly rotates about a central axis in a vertical direction to change the angle of the discharge port 113.

In this way, by adjusting the angle and height of the discharge port 113 by the wave control means 12, it is possible to generate more various artificial waves such as waves of the sea.

Figure 2 is a cross-sectional plan view for explaining the backflow preventing means.

Referring to FIG. 2, as described above, the main body 11 may have a plurality of inlets 111 through which water is introduced. In addition, a plurality of pumps 13 may be provided to be connected to the inlet 111.

Illustratively described with reference to FIG. 2, the inlet 111 includes a first inlet 1111 and a second inlet 1112. The first inlet 1111 may be provided with a first pump 131, and the second inlet 1112 may be provided with a second pump 132.

In addition, the first pump 131 and the second pump 132 may be driven alternately at a predetermined interval (for example, about 30 minutes). Exemplarily, the first pump 131 discharges water through the discharge port 113 through the first inlet 1111 and the transfer part 112 by rotating the propeller by the above-described motor. At this time, the second pump 132 stops driving the motor. Conversely, when the second pump 132 is driven, the first pump 131 is stopped.

It goes without saying that the first pump 131 and the second pump 132 can be driven crosswise at predetermined intervals by the above-described controller (not shown) (the first pump controlled by the above-described controller (not shown)). (131), the second pump 132 and the fluid control unit 126, etc. can be manually operated by the operator, as well as can be controlled in various ways).

When one pump 13 is used in the artificial wave generator 1, the durability of the pump 13 decreases due to long-term use, and the operation of the pump 13 must be stopped when maintenance is required, so artificial waves are generated. There is a problem that artificial waves cannot be generated by the device 1. As described above, the artificial wave generator 1 not only includes a plurality of pumps 13, but also drives the first pump 131 and the second pump 132 alternately at predetermined intervals, so that it can be used for a long time. Since the pump 13 is operated efficiently, its life can be extended. In addition, since any one of the first pump 131 and the second pump 132 in which the driving is stopped can be repaired, there is an advantage that the pump 13 can be maintained while continuously generating an artificial wave.

Referring to FIG. 2, the artificial wave generator 1 opens the inlet 111 to the inlet 111 when the pump 13 is driven, and closes the inlet 111 when the pump 13 is not driven. It can be provided.

Illustratively, referring to FIG. 2, the reverse flow preventing means 14 includes a first opening and closing member for opening and closing the first inlet 1111 and the first inlet 1111, and a second opening and closing member for opening and closing the second inlet 1112. It may include an opening and closing member 141 including, and a lift 142 connected to the first opening and closing member and the second opening and closing member, respectively. It may also include a driving unit 143 for driving the lift 142. The lift 142 may be a fluid damper, a fluid absorber, a fluid cylinder, or the like. Hereinafter, a fluid cylinder will be described as an example. When the lift 142 is a fluid cylinder, the driving unit 143 may be a fluid control unit that supplies fluid to the fluid cylinder or sucks fluid from the fluid cylinder.

Illustratively described with reference to FIG. 2, when the second pump 132 is driven, the fluid control unit opens the second inlet 1112, the second opening and closing member (the right opening and closing member (with reference to FIG. 2 )) 141)) and sucks the fluid in the right fluid cylinder. At the same time, as described above, it is said that the first pump 131 and the second pump 132 are driven crosswise at a predetermined interval, but since the second pump 132 is driven, the first pump 131 is in a driving stop state. Accordingly, the fluid control unit supplies fluid to the left fluid cylinder connected to the first opening and closing member (the left opening and closing member 141 with reference to FIG. 2) so as to close the first inlet 1111.

The above-described control unit (not shown) is a control signal to open or close the first inlet 1111 and the second inlet 1112 in response to a driving or non-driving situation of the first pump 131 and the second pump 132. (As described above, the first pump 131, the second pump 132, and the fluid control unit 126 controlled by a control unit (not shown) can be manually operated by an operator. Not only can it be done, but it can also be controlled in a variety of ways).

In this way, the inlet 111 (first inlet 1111 or second inlet 1112) connected to any one of the first pump 131 and the second pump 132 that is not in operation is opened and closed by the opening and closing member 141 By closing through (the first switching member or the second switching member), the life of the pump 13 is prevented by preventing water from flowing backward to any one of the first pump 131 and the second pump 132 that is not in operation. It can be extended, there is an advantage that the maintenance of the pump 13 in the non-operation is easy.

4 is a view for explaining a protective film on the outer surface of the first body 121, the second body 122, and the opening and closing member 141.

1 to 4, the outer surfaces of each of the first body 121, the second body 122, and the opening and closing member 141 are exposed to a harsh environment, and damage, bending, etc. due to impact or invasion due to water pressure, Since there is a risk of corrosion or the like, it needs to be properly protected.

The present invention is the first body 121, the second body 122, the opening and closing member 141 as a protective means for the outer surface of each of the first body 121, the second body 122, the opening and closing member 141 A protective film provided on the outer surface of the was introduced. Specifically, referring to Figure 4, the present invention is a porous layer (G1) provided at predetermined intervals on the outer surface of each of the first body 121, the second body 122, and the opening and closing member 141, the porous layer ( G1) Further comprising a protective layer (G) including a protective layer (G3) covering the outer surface of the cover 54 including the heating layer (G2) and the porous layer (G1) and the heating layer (G2) provided on the top It is characterized by being able to.

Specifically, the porous layer (G1) is a configuration that adds buffering properties to the protective film (G), based on 100 parts by weight of expanded polystyrene, 5 parts by weight of antimony trioxide (Sb2O3), 7 parts by weight of melamine polyphosphate, and 10 parts by weight of expanded graphite. Includes parts by weight.

For each composition, expanded polystyrene has a disadvantage in that it is vulnerable to flame retardancy, but has been used because of the advantages of excellent insulation performance and low manufacturing cost. Each composition of the porous layer (G1) is determined based on 100 parts by weight of expanded styrene.

And antimony trioxide (Sb2O3) is a metal oxide obtained from luminous stone, and has been used for the advantage of having superior flame retardancy compared to other flame retardant materials. Such antimony trioxide preferably contains 5 parts by weight, relative to 100 parts by weight of expanded styrene. If used in excess of this, radical compounds generated during combustion may be harmful to the human body, and economical efficiency is achieved due to relatively high cost. Is lowered.

And melamine polyphosphate (Melamine Polyphosphate) is a kind of polyphosphorylated water, added for the function of blocking oxygen access by forming a glass coating. As a result of repeated experiments, the optimal amount of use for forming an appropriate thickness of the glass coating film is that 7 parts by weight are included relative to 100 parts by weight of expanded styrene.

And expanded graphite (Expanded Graphite) is added as a graphite compound that adds a flame-retardant function by generating carbides during combustion, and the preferred amount is that it contains 10 parts by weight.As a result of repeated experiments, the weight ratio of the melamine polyphosphate is 0.7: When used as 1, the flame retardant effect was maximized, and as a result, it was concluded that it is desirable to include 10 parts by weight.

The porous layer G1 is prepared through a predetermined curing operation after dispersing the components in water as a solvent. Here, matters related to the curing of the porous layer G1 are out of the scope of the present invention, and follow known techniques and general common sense of a person skilled in the art.

Next, the heating layer (G2) is provided on the upper portion of the porous layer (G1), it receives sunlight and self-heats, so that the fusion and kneading between the porous layer (G1) and the protective layer (G3) can be achieved by itself. It is added to ensure that the kneading time is longer than 24 hours at room temperature, so it is a configuration provided to shorten the kneading time to within 30 minutes by providing a temperature condition of about 40 to 60°C. This heating layer (G2) includes 5 parts by weight of manganese dioxide and 3 parts by weight of silica gel, based on 100 parts by weight of tetrachlorogold(III) acid.

For each composition, tetrachlorogold(III) acid (HAuCl4) is a pale yellow crystal obtained by dissolving gold in aqua regia or dissolving gold(III) chloride in hydrochloric acid. It is preferable that those having a particle diameter of 15 to 30 nm are used. The following composition constituting the heating layer (G2) is determined based on 100 parts by weight of tetrachloroauric (III) acid.

In addition, manganese dioxide (MnO2) is a compound in which manganese and supernatant are combined, and is added to facilitate dispersion of the heating layer (G2) and to optimize the utilization area of the solar wavelength. Titanium, chromium, nickel, copper, etc. Among the metals, it was adopted because of its high emissivity and radiant energy efficiency in the far infrared region. Such manganese dioxide is prepared by sintering at about 1000°C in the presence of oxygen, and the smaller the particle diameter, the greater the induction heating effect, so it is preferable to use an average particle diameter of 10 to 100 nm. It is preferably 5 parts by weight as seen.

And silica gel (Silica Gel) is added to sustain the exothermic effect of the heating layer (G2) and shorten the exothermic saturation time, and it was confirmed that the optimum heating efficiency was shown when 3 parts by weight were included as a result of repeated experiments.

The heating layer (G2) is made by adding a small amount of citric acid after heating an aqueous solution of tetrachlorogold (III) acid at about 100° C. for 10 minutes, and then mixing and dispersing manganese dioxide and silica gel in the above mixing ratio. Then, it is manufactured through a predetermined drying process. Here, the specific content of the drying process is to follow the known technology and the general common sense of a person skilled in the art.

Next, the protective layer G3 is a basic configuration of the protective layer G, and covers and protects the entire protective portion including the porous layer G1 and the heating layer G2. This protective layer (G3) is based on 100 parts by weight of silica bonded water containing 5% by weight of tetraethoxysilane and 5% by weight of methyltriethoxysilane and the balance of water, 10 parts by weight of pozzolan, 3 parts by weight of surfactant, bentonite 1 part by weight, 40 parts by weight of hydroxyethyl acrylate, and 3 parts by weight of ethylenediamine tetraacetate are included.

For each composition, silica bonded water is added for the geopolymer reaction of pozzolan, and it is preferable that a large amount of silica (SiO) is contained. The silica bonded water contains 5% by weight of tetraethoxysilane (TEOS) and 5% by weight of methyltriethoxysilane (MTES) and the remaining amount of water based on the total weight of the bonded water, and tetraethoxysilane is a stable silica molecule. It forms a network structure, and methyltriethoxysilane increases the flexibility of the network. When tetraethoxysilane is added in less than the composition ratio, the hardness of the protective layer (G3) is lowered, and when it is added in excess of the composition ratio, the silica precursor content is increased, and there is a risk of cracking during drying. In addition, when methyltriethoxysilane is used in less than the above composition ratio, the flexibility decreases, and when it is used in excess of the above composition ratio, the hardness of the protective layer (G3) decreases. The following composition constituting the protective layer (G3) is based on 100 parts by weight of silica bonded water.

In addition, pozzolan is a major binder in the geopolymer reaction, and any of natural pozzolan such as volcanic ash, artificial pozzolan such as slag fine powder, fly ash, silica fume, etc. may be selected. It is preferable to use 10 parts by weight of such pozzolan, and assuming that it is not excessive, the composition ratio may be exceeded, but when the composition ratio is less than the composition ratio, it is difficult to develop strength.

In addition, a surfactant is added to improve workability, and bentonite is added as a viscoelastic modifier to prevent dropping, thereby performing the function of a thixotropic agent. These surfactants and bentonite are sufficient if commercially available products are added in the above composition ratio with reference to known techniques and common sense. If the composition is out of the above composition ratio, the flowability is excessive or less than the reference value.

And hydroxyethyl acrylate (Hydroxyethylacrylate) is added as an adhesion promoter, and was particularly adopted because it has the advantage of excellent curability. As a result of repeated experiments, the preferred amount is 40 parts by weight, and when used in less than the composition ratio, the adhesion promoting effect is insignificant.

In addition, ethylenediaminetetracetate is added as an adsorption enhancing agent, and as a result, adhesion is improved by enhancing the adsorption power during initial construction of the protective film (G). As a result of repeated experiments, it was confirmed that the amount used to express the optimal adsorption enhancing effect was 3 parts by weight.

The protective layer G3 is prepared through a predetermined drying and curing process after mixing and stirring the above components by putting them in a stirrer.

As an example of the construction of the protective film (G), a porous layer (G1), a heating layer (G2), and a protective layer (G3) are provided in the order of the test block, and then left for 1 hour in an environment irradiated with sunlight. Then, the kneading process was carried out, and the protective film G was formed by curing. As a result of performing a cross-cut test, scratching test, combustion test through flame spraying, and internal invasion test through water spraying on this protective film (G), the peeling rate was less than 1%, and the failure rate was It was less than 5%, no combustion of the porous layer G1 occurred, and no internal invasion was detected.

The present invention described above with reference to the accompanying drawings can be variously modified and changed by a person skilled in the art, and such modifications and changes should be construed as being included in the scope of the present invention.

Artificial wave generator: 1
Main Unit: 11
Inlet: 111
1st inlet: 1111
2nd inlet: 1112
Transfer: 112
Outlet: 113
Wave control means: 12
Body 1: 121
Body 2: 122
Hinge member: 124
Fluid flow pipe: 125
Pump: 13
1st pump: 131
2nd pump: 132
Backflow prevention means: 14
Lift: 123, 142
Drive: 126, 143

Claims (4)

A main body including an inlet through which water is introduced, a transfer part connected to the inlet to move the introduced water, and a discharge port through which the transferred water is discharged by being connected to the transfer part; And
An artificial wave generator comprising a wave control means provided at the discharge port and controlling a water pressure and a shape of the discharged water by adjusting a cross-sectional area of the discharge port.
The method according to claim 1,
The wave control means,
The first body constituting the upper side of the discharge port, the second body constituting the lower side of the discharge port, and the first and second bodies are moved up and down, and the front ends of the first and second bodies with respect to the front side Artificial wave generator, characterized in that it comprises a lift to adjust the angle to the direction.
The method according to claim 1,
The height of the discharge port is formed higher than the height of the inlet port,
The artificial wave generator, characterized in that the inlet is provided with a pump for raising the introduced water.
The method of claim 3,
The inlet and the pump are composed of a plurality,
The first pump provided in the first inlet and the second pump provided in the second inlet are driven crosswise at predetermined intervals,
The artificial wave generator, characterized in that the inlet is provided with a backflow preventing means for opening the inlet when the pump is driven and closing the inlet when the pump is not driven.

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