KR102501409B1 - Lighting device for both sand art and decoration - Google Patents

Abstract

The present invention relates to a decorative lighting device combined with sand art, which includes a body housing having a receiving space therein and having a tubular shape with one surface open, a picture plate installed on the inner upper part of the body housing, and a picture plate below the picture plate. Including a lighting unit provided in the accommodation space, each of the main body housing and the drawing board is made of a plastic material capable of transmitting light irradiated from the lighting unit, and the drawing board is for sand art combined decoration, characterized in that it is treated with an antistatic coating lighting equipment is provided.

Description

Lighting device for both sand art and decoration}

The present invention relates to a lighting device for both sand art and decoration, and more particularly, to a lighting device for both sand art and decoration, which can be used for sand art performance or experience as well as a decorative lighting device.

Sand art refers to art in which fine sand is sprinkled on a transparent plate on which light is projected and various pictures are expressed using the sand. For example, sand art is a technique that creates a video-like effect by changing the image created by sand shadows in various ways by the touch and movement of hands and fingers. It is a visual art and a story that creates synesthesia by combining it with background music. can bring out a fairy tale-like world of emotion from the audience.

This sand art is more effective than other educational or treatment methods in terms of free emotional expression, stimulation of EQ (emotional quotient) development, and psychotherapy, so the public can easily access and direct it in various fields. It is important to make it a reality.

Recently, sand art is not only used for stage performances by experts, but also the demand for use in the field of treatment or education is increasing. In particular, sand art is becoming widespread as an experiential learning for children.

In general, since most of the experience boxes used for sand art are made of wood and the transparent board uses a glass plate, it is difficult for children to carry due to heavy loads, resulting in poor portability. In addition, since the light emitted from the lighting inside the experience box cannot be emitted in a direction other than the transparent plate, it is difficult to use it for purposes other than sand art, and there is a problem of poor usability. Furthermore, it is difficult to manage the sand hygienically as it is used by a large number of people, and when the sand is contaminated, the contaminated material is transmitted to the user, resulting in group infection.

The background technology of the present application is disclosed in Korean Patent Registration No. 10-1989285.

One technical problem to be solved by the present invention is to provide a decorative lighting device that combines sand art with excellent portability and can be used for decoration.

Another technical problem to be achieved by the present invention is to provide a decorative lighting device combined with sand art that can effectively detect whether or not sand used for sand art is contaminated, as well as perform antibacterial and sterilization to hygienically manage sand.

The problem to be solved by the present invention is not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the description below.

A decorative lighting device for combined sand art according to embodiments of the present invention for achieving the above object includes a body housing having a cylindrical shape with one side open and having an accommodation space therein; a picture plate installed on the inner upper part of the body housing; A lighting unit provided in an accommodation space of the main body housing under the drawing board, wherein each of the main body housing and the drawing board is made of a plastic material capable of transmitting light irradiated from the lighting unit, and the drawing board is coated with an antistatic coating. characterized by

According to one embodiment, the drawing board may be made of acrylic or polycarbonate material treated with a transparent or opaque antistatic coating.

According to one embodiment, the lighting unit may include: a first lighting unit installed on a bottom portion of the main housing to emit light toward the drawing board; And it may include a second lighting unit installed to face each of the side portions of the main housing and irradiate light toward each of the side portions.

According to an embodiment, the method further includes a contamination detection unit including a first release paper attached to the drawing board in the form of a film and a plurality of contamination detection kits disposed on the first release paper in the form of an island, each of the contamination detection kits includes a first base layer, a display layer, and a first protective layer sequentially stacked on the first release paper, wherein the first base layer includes a moisture absorbing material, and the display layer is removed from the contaminated sand on the drawing board. In addition to functioning as a medium in which the infiltrated bacteria can be cultured, the surface is treated with a material that induces a biological reaction with the cultured bacteria, and the first protective layer can protect the display layer while allowing air to pass through. It can be formed into a porous membrane with

According to an embodiment, an antibacterial smell diffusion unit including a second release paper attached to the drawing board in the form of a film and a plurality of smell diffusion structures disposed on the second release paper in the form of an island, wherein each of the smell diffusion structures includes the A second base layer, an antibacterial odor diffusion layer and a second protective layer sequentially stacked on a second release paper, wherein the second base layer includes a moisture absorbing material, and the antibacterial odor diffusion layer has antibacterial or odor diffusion properties. A scent diffusing material may include a nonwoven fabric in which powder form is distributed in pores, and the second protective layer may be formed of a porous film capable of protecting the antibacterial scent diffusing layer while allowing air to pass through.

According to an embodiment, a sterilization unit installed on a side surface of the main body housing may be further included to directly irradiate ultraviolet rays to the sand on the drawing board.

According to embodiments of the present invention, since the main body housing is made of a light-transmitting material, light emitted from the lighting unit may pass through the bottom and side surfaces of the main housing and be emitted to the outside. Accordingly, the decorative lighting device combined with sand art of the present invention can be used as an experience box for sand art as well as a decorative lighting device. Furthermore, since the main body housing and the drawing board are made of plastic, it is superior in lightness and portability compared to existing sand art experience boxes made of wood, metal and/or glass, and can be easily installed and used for decoration.

In addition, since the contamination detection unit for detecting contamination of the sand is provided on the drawing board on which the sand for sand art is sprayed, it is possible to detect whether the sand is contaminated with bacteria, as well as antibacterial and sterilization of the sand through the antibacterial smelling unit and the sterilization unit. Thus, the sand can be managed hygienically. Accordingly, users such as children can more safely perform sand art experiences.

1 is an exploded perspective view illustrating a decorative lighting device combined with sand art according to an exemplary embodiment of the present invention.
2 and 3 are photographs showing a state of use of the decorative lighting device combined with sand art of FIG. 1 .
FIG. 4 is a plan view illustrating a modified example of the decorative lighting device combined with sand art of FIG. 1 .
5 is a perspective view for explaining a decorative lighting device combined with sand art according to another embodiment of the present invention.
6 is a plan view for explaining a decorative lighting device combined with sand art according to another embodiment of the present invention.
FIG. 7 is a cross-sectional view illustrating the contamination detection unit of FIG. 5 .
8 is a cross-sectional view for explaining the antibacterial scent diffusing unit of FIG. 5 .

Advantages and features of the present invention, and methods of achieving them, will become clear with reference to the detailed description of the following embodiments taken in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only the present embodiments allow the disclosure of the present invention to be complete, and the common knowledge in the art to which the present invention belongs. It is provided to fully inform the holder of the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numbers designate like elements throughout the specification.

In the present specification, when a member is said to be located “on” another member, this includes not only a case where a member is in contact with another member, but also a case where another member exists between the two members. In addition, in the present specification, when a certain component is said to "include", it means that it may further include other components without excluding other components unless otherwise stated.

As used throughout this specification, the terms "about," "substantially," and the like are used at or approximating that number, when manufacturing and material tolerances inherent in the stated meaning are given, and are used within the meaning of the present application. To help prevent exploitation by unscrupulous infringers of the disclosed disclosure, exact or absolute figures are used.

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

1 is an exploded perspective view illustrating a decorative lighting device combined with sand art according to an exemplary embodiment of the present invention. 2 and 3 are photographs showing a state of use of the decorative lighting device combined with sand art of FIG. 1 . FIG. 4 is a plan view illustrating a modified example of the decorative lighting device combined with sand art of FIG. 1 .

Referring to FIG. 1, the decorative lighting device 100 for combined sand art according to one embodiment of the present invention is implemented to be used as an experience box for experiencing sand art and used as a decorative lighting device, and is implemented as a main body housing ( 110), a drawing board 120 and a lighting unit 130.

In detail, the body housing 110 may have an accommodation space therein and have a tubular shape with one side open. For example, the body housing 110 may include a bottom portion 111 and side portions 112 and 113 forming a rectangular frame shape with one surface open. The side portions 112 and 113 include a pair of first side portions 112 facing each other in a first direction and a pair of second side portions 113 facing each other in a second direction crossing the first direction. ). In this case, when the square frame has a rectangular shape, the first direction may be a minor axis direction, and the second direction may be a major axis direction. According to embodiments of the present invention, the body housing 110 may be made of an opaque plastic material through which light emitted from the lighting unit 130 can pass. For example, the body housing 110 may be made of an opaque acrylic material.

The drawing board 120 is a board for a user to express a sand drawing using sand, and may be installed on the inner upper portion of the main body housing 110 . For example, the body housing 110 includes support parts 115 protruding from inner surfaces of the first side parts 112 , and the drawing plate 120 may be seated on the support parts 115 .

The drawing board 120 may be made of a material through which light emitted from the lighting unit 130 can pass. Furthermore, the drawing board 120 may be treated with an antistatic (in other words, uninterruptible) coating. Since sand art is drawing a picture with sand sprinkled on the drawing board 120 using the user's hand, it is difficult to express a detailed picture when static electricity is generated between the drawing board 120 and the user's hand or sand. Therefore, it is preferable to use an antistatic coating for the drawing board 120 in order to prevent such an electrification phenomenon. For example, the drawing board 120 may be made of acrylic with antistatic coating (or antistatic coating) or polycarbonate with antistatic coating (or antistatic coating). The paint plate 120 may be transparent or opaque, and when the paint plate 120 is transparent, an opaque auxiliary paint plate (not shown) may be further provided below the paint plate 120 . The opaque auxiliary paint plate (not shown) may be made of a light-transmitting plastic material, for example, an acrylic material.

The lighting unit 130 emits light toward the drawing board 120 to enhance the sand drawings drawn on the drawing board 120, and may be installed in the receiving space of the main body housing 110 under the drawing board 120. Although various light sources may be used as a light source of the lighting unit 130, it may be preferable to use an LED as a light source in order to increase power efficiency, minimize heat generation, and eliminate noise. In addition, the lighting unit 130 may be configured to emit RGB colors so that various colors can be implemented.

In general, since the body or frame of the experience box for sand art is made of wood, the light of the backlight is used to highlight the sand picture on the drawing board and is emitted through only the drawing board, while the bottom part and/or Or it cannot be radiated to the outside through the side parts. However, in the case of the present invention, as the body housing 110 is made of a material through which light can pass, as shown in FIGS. 2 and 3, the light emitted from the lighting unit 130 is It may pass through the bottom part 111 and the side parts 112 and 113 and be emitted to the outside. Accordingly, the decorative lighting device 100 for combined sand art of the present invention can be used as an experience box for sand art as well as a decorative lighting device.

Furthermore, since the body housing 110 and the drawing board 120 are made of plastic, they are superior in lightness and portability compared to existing sand art experience boxes made of wood, metal and/or glass, and are installed and used for decoration. can also be easily

Although not shown, a power supply unit (not shown) is provided in the receiving space of the body housing 110 to receive power from the outside and supply power to the lighting unit 130 or to supply power for a certain period of time without supplying external power by charging. can make this possible. In addition, a control unit (not shown) for adjusting the brightness of the lighting unit 130 may be provided in the receiving space of the body housing 110 .

According to another embodiment, as shown in FIG. 4 , the lighting unit may include a first lighting unit 132 and a second lighting unit 134 . The first lighting unit 132 is installed on the bottom portion 111 of the body housing 110 to radiate light toward the drawing board 120, and the second lighting unit 134 is installed on each side portion 112 of the body housing 110. , 113) may be installed to irradiate light toward each side portion (112, 113). The second lighting unit 134 is to further enhance the lighting effect when used as a sand art experience box or a decorative lighting device, and can be implemented to be turned on/off according to a user's selection.

5 is a perspective view for explaining a decorative lighting device combined with sand art according to another embodiment of the present invention. 6 is a plan view for explaining a decorative lighting device combined with sand art according to another embodiment of the present invention. FIG. 7 is a cross-sectional view illustrating the contamination detection unit of FIG. 5 . 8 is a cross-sectional view for explaining the antibacterial scent diffusing unit of FIG. 5 .

5 and 6, the decorative lighting device 100A for combined sand art includes a main body housing 110, a drawing board 120, a lighting unit 130, a contamination detection unit 140, an antibacterial smelling unit 150, and a sterilization unit. may include section 160 . Since the body housing 110, the drawing board 120, and the lighting unit 130 are the same as those described with reference to FIG. 1, a detailed description thereof will be omitted.

The contamination detection unit 140 is a component for detecting bacterial contamination of the sand used for sand art, and may be provided on the upper surface of the drawing board 120 on which the sand is sprinkled. For example, the contamination detection unit 140 includes a first release paper 142 attached to the drawing board 120 in the form of a film and a plurality of contamination detection kits 144 disposed on the first release paper 142 in the form of an island. can do. If sand sprinkled on the drawing board 120 during a sand art performance or experience is used for a long period of time by many users, the sand may be contaminated with bacteria. The contamination detection kits 144 can indicate bacterial contamination through a color change when the sand is contaminated with bacteria, and the user can detect bacterial contamination of the sand by checking whether the contamination detection kits 144 are discolored. there is.

In detail, referring to FIG. 7 , each of the contamination detection kits 144 includes a first base layer 145, a display layer 146, and a first protective layer 147 sequentially stacked on a first release paper 142. ) may be included.

The first base layer 145 includes a moisture absorbing material and can absorb moisture contained in sand to provide moisture to the display layer 146. For example, the first base layer 145 is a moisture absorbing material. A superabsorbent polymer may be included. The superabsorbent polymer has excellent water absorbing power and does not separate water even when a certain amount of pressure is applied.

The display layer 146 may maintain a state of not showing any change or reaction when bacterial contamination is normal, and may be configured to show a color change or reaction when bacterial contamination is detected. For example, the display layer 146 functions as a medium in which bacteria penetrated from contaminated sand can be cultured, and a substance that induces a biological reaction with the cultured bacteria (in other words, a discoloration substance) is applied to the surface ( e.g., applied). Accordingly, when the bacteria penetrating into the display layer 146 are cultured enough to biologically react, they may change color through a reaction with a color-changing material (eg, a color-reacting material). Here, the culture medium is a mixture of nutrients required by cultures for culturing microorganisms or animal and plant tissues as main components, and then adding and mixing substances for special purposes, excluding those obtained in the gas phase. It plays a role in supplying water, which is indispensable for growth, as well as nutrients such as carbon sources, nitrogen sources, inorganic salts, and growth factors (vitamins). Meanwhile, the moisture supplied from the first base layer 145 can further enhance the function of the display layer 146 as a medium, and the light emitted from the lighting unit 130 during a sand art performance or experience is at an appropriate temperature for bacterial culture. can provide.

A variety of well-known materials may be used as the color-changing material (eg, color reaction material) surface-treated on the display layer 146 depending on the type of target bacteria to be sensed. For example, when the target bacteria is Escherichia coli, a reagent using an enzyme substrate using a substrate that develops color by galactosylase secreted by Escherichia coli may be coated on the surface of the display layer 146 . As another example, when a fluorescent material is used as the color changing material, the display layer 146 is irradiated with UV light of a wavelength of 365 nm through the UV lamp 164 provided in the sterilization unit 160 to induce a fluorescent color reaction, thereby detecting Escherichia coli. You may.

The first protective layer 147 may be formed of a porous film capable of physically protecting the display layer 146 while allowing air containing moisture in sand to pass therethrough. For example, the first protective layer 147 may be formed of a porous resin or a porous silicon-based compound capable of forming a porous film.

A first cover film 148 may be provided on each of the contamination detection kits 144 . The first cover film 148 may entirely cover the first base layer 145 , the display layer 146 , and the first protective layer 147 sequentially stacked on the first release paper 142 . In a state where the first cover film 148 is covered, penetration of moisture and/or bacteria into the first base layer 145 or the display layer 146 can be prevented, and the contamination detection kit 144 is the first cover film. It can be used after removing (148). That is, the first cover film 148 may be configured to selectively use the contamination detection kit 144 .

According to one embodiment, the plurality of contamination detection kits 144 provided in the form of islands on the first release paper 142 may be configured as display layers 146 for detecting the same target bacteria. In this case, by using the contamination detection kits 144 by sequentially removing only one of the first cover films 148 from the contamination detection kits 144, the expiration date of the contamination detection unit 140 may be increased. .

According to another embodiment, the plurality of contamination detection kits 144 provided in the form of islands on the first release paper 142 may include display layers 146 for detecting different target bacteria. In this case, all of the first cover films 148 may be removed to use all of the contamination detection kits 144 in order to simultaneously detect various target bacteria.

The antibacterial scent diffuser 150 may be configured to diffuse a pleasant scent into the air during a sand art performance or experience and to suppress the growth of bacteria in the sand. For example, the antibacterial smell diffusion unit 150 may include a second release paper 152 attached to the drawing board 120 in the form of a film and a plurality of smell diffusion structures 154 disposed on the second release paper 152 in an island shape. can

In detail, referring to FIG. 8 , each of the smell diffusing structures 154 includes a second base layer 155, an antibacterial smell diffusing layer 156, and a second protective layer 157 sequentially stacked on a second release paper 152. ) may be included.

The second base layer 155 includes the same moisture absorbing material as the first base layer 145, and can absorb moisture contained in sand to provide moisture to the antibacterial scent diffusion layer 156. For example, the second base layer 155 may include a super absorbent polymer as a moisture absorbing material. The superabsorbent polymer has excellent water absorbing power and does not separate water even when a certain amount of pressure is applied.

The antibacterial smell diffusion layer 156 may be provided in the form of an antibacterial sheet containing a powder type material having antibacterial or fragrance properties. For example, the antibacterial odor diffusion layer 156 may be provided in the form of a nonwoven fabric in which an antibacterial odor diffusion material having antibacterial and/or odor diffusion properties is distributed in the pores in a powder form. The antibacterial scent diffuser in powder form can be dissolved in moisture supplied from the second base layer 155, and the liquid antibacterial scent diffuser can continuously diffuse a pleasant scent and inhibit the growth of bacteria. The antibacterial fragrance material may include various natural extracts (eg, green tea extract, pine needle extract, persimmon leaf extract, etc.), silver nanoparticles, charcoal powder, etc. having antibacterial and/or fragrance properties.

Like the first protective layer 147, the second protective layer 157 may be formed of a porous film capable of physically protecting the antibacterial odor diffusion layer 156 while allowing air to pass through. For example, the second protective layer 157 may be formed of a porous resin or a porous silicon-based compound capable of forming a porous film.

A second cover film 158 may be provided on each of the smell diffusion structures 154 . The second cover film 158 may entirely cover the second base layer 155 , the antibacterial odor diffusion layer 156 , and the second protective layer 157 sequentially stacked on the second release paper 152 . In a state where the second cover film 158 is covered, penetration of moisture into the second base layer 155 or the antibacterial smell diffusion layer 156 can be prevented, and after removal of the second cover film 158, each smell diffusion structure (154) can be used as an antibacterial odor diffusion means.

5 and 6, a pair of contamination detectors 140 are provided at the edge of the long side of the paint plate 120 and spaced apart in the first direction (ie, the short axis direction of the paint plate 120), and in the second direction (ie, the short axis direction). .

The sterilization unit 160 may be installed on the side surface of the body housing 110 so that ultraviolet rays can be directly irradiated with sand on the drawing board 120 . For example, the sterilization unit 160 may be installed on any one of the first side parts 112, but embodiments of the present invention are not limited thereto.

In detail, the sterilization unit 160 includes a sterilization housing 162 provided on the outside of the first side portion 112 and a UV lamp 164 provided in the sterilization housing 162 to irradiate ultraviolet rays into the main body housing 110. can include An opening is formed in the first side portion 112 where the sterilization housing 162 is installed, and the UV lamp 164 can directly irradiate ultraviolet rays to the sand on the drawing board 120 through the opening. The sterilization unit 160 periodically radiates ultraviolet rays to sterilize the sand on the drawing board 120, or when bacterial contamination of the sand is detected through the contamination detection unit 140, the sand on the drawing board 120 is selectively irradiated with ultraviolet rays. It may be configured to perform a sterilization action by irradiating.

On the other hand, a handle 170 for carrying the device may be connected to the sterilization housing 162.

According to an embodiment of the present invention, as the contamination detection unit 140 for detecting contamination of the sand is provided on the drawing board 120 on which the sand for sand art is sprinkled, it detects whether the sand is contaminated with bacteria and antibacterial. Antibacterial and sterilization of sand is possible through the scent diffusing unit 150 and the sterilization unit 160, so sand can be managed hygienically. Accordingly, users such as children can more safely perform sand art experiences.

Although the embodiments of the present invention have been described above with reference to the accompanying drawings, those skilled in the art to which the present invention pertains will realize that the present invention will be implemented in other specific forms without changing its technical spirit or essential features. You will understand that you can. Therefore, it should be understood that the above-described embodiments and application examples are illustrative in all respects and not restrictive.

110: body housing 120: paint plate
130: lighting unit 140: contamination detection unit
150: antibacterial fragrance unit 160: sterilization unit

Claims (6)

A body housing having a receiving space therein and having a tubular shape with one side open;
a picture plate installed on the inner upper part of the body housing; and
Including a lighting unit provided in the accommodation space of the main body housing under the drawing board,
Each of the body housing and the paint plate is made of a plastic material capable of transmitting light irradiated from the lighting unit,
The paint plate is treated with antistatic coating,
The drawing board is made of acrylic or polycarbonate material treated with a transparent or opaque antistatic coating,
A contamination detection unit including a first release paper attached to the drawing board in the form of a film and a plurality of contamination detection kits disposed on the first release paper in the form of an island,
Each of the contamination detection kits includes a first base layer, a display layer, and a first protective layer sequentially stacked on the first release paper,
The first base layer includes a moisture absorbing material,
The display layer functions as a medium in which bacteria penetrated from the contaminated sand on the drawing board can be cultured, and is surface-treated with a material that induces a biological reaction with the cultured bacteria,
The first protective layer is a decorative lighting device combined with sand art, characterized in that formed of a porous film capable of protecting the display layer while allowing air to pass through. delete According to claim 1,
The lighting unit:
a first lighting unit installed on the bottom of the main body housing to radiate light toward the drawing board; and
A decorative lighting device for combined sand art, characterized in that it comprises a second lighting unit installed to face each of the side surfaces of the main housing and irradiate light toward each of the side surfaces. delete According to claim 1,
An antibacterial smell diffusing unit including a second release paper attached to the drawing board in the form of a film and a plurality of smell diffusing structures disposed on the second release paper in an island shape,
Each of the scent diffusing structures includes a second base layer, an antibacterial scent diffusing layer, and a second protective layer sequentially stacked on the second release paper,
The second base layer includes a moisture absorbing material,
The antibacterial odor diffusion layer includes a nonwoven fabric in which an antibacterial odor diffusion material having antibacterial or odor diffusion properties is distributed in pores in a powder form,
The second protective layer is a decorative lighting device combined with sand art, characterized in that formed of a porous film capable of protecting the antibacterial scent diffusion layer while allowing air to pass through. According to claim 5.
A decorative lighting device for combined sand art, characterized in that it further comprises a sterilization unit installed on the side surface of the main body housing so as to directly irradiate ultraviolet rays to the sand on the drawing board.

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