KR102183747B1 - Image projection device - Google Patents

Abstract

An object of the present invention is to provide an image projection device capable of providing a variety of images and light distribution angles according to an installation location or user's needs by configuring a projection device in a modular configuration. To this end, the present invention includes a light source module including a light source and a light source lens for outputting light emitted from the light source to form an arbitrary light distribution angle; At least one image module detachably installed at the output terminal of the light source module and providing an arbitrary image and color using light output from the light source module; And at least one optical module that is detachably installed at the output terminal of the image module and configured to output light output from the image module with an arbitrary magnification or light distribution angle. Accordingly, the present invention has the advantage of being able to easily replace an image film and a lens by configuring the projection device in a modular form, and to provide various images and light distribution angles according to an installation location or a user's needs.

Description

Image projection device {IMAGE PROJECTION DEVICE}

The present invention relates to an image projection device, and more particularly, by configuring the projection device in a modular type, it is possible to replace an image film and a lens, and to provide various images and light distribution angles according to the installation location or the needs of the user. It relates to an image projection device.

In general, a gobo refers to an opaque screen that is mounted on an arm that can control a stand and is placed in front of a lamp or camera to block light from a specific part and prevent unintended light rays from being projected.

In recent years, as the production of special effects in various performances and broadcasting programs has become more frequent, gobos in the form of metal plates on which image patterns such as various patterns or letters are formed are detachably mounted on lighting devices for various special effects such as moving lights and spotlights. It is configured and widely applied as an auxiliary device for lighting devices.

When lighting is irradiated with such gobos mounted on the lighting device, the pattern formed on the metal plate is imaged and expressed on the space serving as the sky in the stage background or on the stage floor and set, creating a fantastic effect of performing performances and broadcasting programs. To indicate.

Accordingly, gobo is not only positioned as an indispensable when producing performances and broadcasting programs, and as the use of gobos has diversified, gobos are mounted on external lighting equipment that illuminates buildings to make the building look beautiful. It is used to decorate the wall beautifully by attaching gobos to indoor lighting.

In addition, as various types of image patterns can be formed on the gobo, it is mounted on a lighting device to project an image for the promotion of a company or product at night on the floor of a road or on the wall of a building to further enhance the advertising effect. Is being applied.

It is also used in various ways in infographics and CPTED, such as crime prevention environment design.

1 is a view showing an image projection device according to the prior art, the image projection device 10 includes a body 20 having a front cover 21, and a support 12 outside the body 20 Is coupled, and the up and down rotation shaft 13 is coupled to the tip of the support 12, and the up and down rotation shaft 13 is rotatably coupled to the left and right rotation plate 31 coupled to the front of the bracket 30 have.

The bracket 30 is combined with a fixture installed on a post, wall, ceiling, ground, etc. so that the image projection device 10 can be fixed after being set in an arbitrary direction.

However, in the case of replacing the image film installed inside the body with a film of another image, the image projection device according to the prior art is configured so that the entire image projection device can be removed and then replaced. Accordingly, there is a problem in that proper lighting information cannot be provided.

In addition, the image projection apparatus according to the prior art has a problem in that the focal length and magnification of the lens are fixed, so that an appropriate light distribution angle cannot be provided according to various installation positions.

Korean Registered Patent Publication No. 10-0938171 (Name of invention: streetlight image lighting device)

In order to solve this problem, the present invention provides an image projection device capable of providing a variety of images and light distribution angles according to an installation location or user's needs by configuring the projection device in a modular form. It aims to provide.

In order to achieve the above object, the present invention provides a light source module including a light source and a light source lens for outputting light emitted from the light source to form an arbitrary light distribution angle; At least one image module detachably installed at the output terminal of the light source module and providing an arbitrary image and color using light output from the light source module; And at least one optical module that is detachably installed at the output terminal of the image module and configured to output light output from the image module with an arbitrary magnification or light distribution angle.

In addition, the light source module according to the present invention comprises a light source housing having a hollow inside; A heat dissipation unit installed on one side of the light source unit housing to emit heat generated from the light source; A light source installed on one side of the heat dissipation unit to output light; A light source lens configured to form and output light output from the light source at an arbitrary light distribution angle; And a light source unit coupling protrusion installed at a distal end of the light source unit housing and coupled to the image module.

In addition, the light source according to the present invention is characterized in that it outputs either monochromatic light or white light having an arbitrary wavelength range.

In addition, the image housing having a hollow inside the image module according to the present invention; At least one image film unit configured to be detachable and stacked on the image housing and having an arbitrary shape and color through which the light output from the light source module passes; And a sealing part sealing between the light source module and the image module.

In addition, the optical module according to the present invention includes an optical unit housing having a hollow inside; An optical part lens installed in the optical part housing to form an arbitrary light distribution angle and output the light passing through the image module; And a sealing part sealing between the image module and the optical module.

In addition, the optical module according to the present invention includes an optical unit housing having a hollow inside; An optical part lens installed in the optical part housing to form an arbitrary light distribution angle and output the light passing through the image module; A sealing part sealing between the image module and the optical module; And a rotation knob for adjusting the optical unit lens to move along the longitudinal direction of the optical unit housing.

The present invention has an advantage in that it is possible to easily replace an image film and a lens by configuring the projection device in a modular form, and to provide various images and light distribution angles according to an installation location or a user's needs.

In addition, the present invention has the advantage of providing sufficient waterproof and dustproof performance through a sealed structure.

1 is a perspective view showing an image projection apparatus according to the prior art.
2 is a perspective view showing an image projection device according to the present invention.
3 is a cross-sectional view showing the structure of an image projection apparatus according to the present invention.
4 is an exploded perspective view showing the configuration of an image projection apparatus according to the present invention.
5 is a perspective view showing another embodiment of an image projection apparatus according to the present invention.
6 is an exemplary view showing a state of use of the image projection apparatus according to the present invention.
7 is a cross-sectional view showing another embodiment of an image projection apparatus according to the present invention.

Hereinafter, a preferred embodiment of the image projection apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

In this specification, the expression that a certain part "includes" a certain component does not exclude other components, but means that other components may be further included.

In addition, terms such as "... unit", "... group", and "... module" mean units that process at least one function or operation, which can be classified into hardware, software, or a combination of the two.

(Example 1)

2 is a perspective view showing an image projection apparatus according to the present invention, FIG. 3 is a cross-sectional view showing the structure of the image projection apparatus according to the present invention, and FIG. 4 is an exploded perspective view showing the configuration of an image projection apparatus according to the present invention.

2 to 4, the image projection apparatus 100 according to the present invention includes a light source module 110, an image module 120, an optical module 130, a closing part 140, and a bracket. 150, and the light source module 110, the image module 120, and the optical module 130 are sequentially disposed on the same optical axis, and are configured to be separated from each other.

The light source module 110 is a light source for outputting light, and a configuration in which light output from the light source is irradiated to form an arbitrary light distribution angle, and includes a light source unit housing 111, a heat dissipation unit 112, and It is configured to include a light source 113, a light source unit lens 114 and a light source unit coupling protrusion 115.

The light source unit housing 111 is a member having a hollow inside, has a cylindrical shape or a hexahedral shape with at least one side open, and may be made of metal or synthetic resin.

The heat dissipation part 112 is installed on one side of the light source unit housing 111 so that heat generated from the light source 113 is radiated to the outside.

The light source 113 is installed inside the light source unit housing 111 to output either monochromatic light or white light having an arbitrary wavelength range, and includes a light emitting device such as an LED.

The light source unit lens 114 is installed on the output side of the light source 113 so that the light output from the light source 113 forms an arbitrary light distribution angle (for example, parallel light) to be output.

The light source unit coupling protrusion 115 is installed at the distal end of the light source unit housing 111, and the image module 120 installed concentrically with the light source module 110 is forced-fitting or screwed to the light source module ( 110).

The image module 120 is detachably installed at the output terminal of the light source module 110 and provides an arbitrary image or color by using light output from the light source module 110. The image housing 121 ), and an image film part 122, and a sealing part 123.

The image housing 121 is a member having a hollow inside, has a cylindrical shape or a hexahedral shape with both sides open, and is made of metal or synthetic resin.

In addition, the image housing 121 is provided with a coupling groove 121a that engages with the light source unit coupling protrusion 115 on one side of the opening, and the other side of the opened side through force-fitting or screwing with the optical module 130 The image coupling protrusions 124 to engage are installed.

In addition, a fixing groove (not shown) is formed on the inner surface of the image housing 121 so that the image film part 122 is seated.

The image film part 122 is a plate-shaped member installed in the image housing 121 to allow light output from the light source module 110 to pass through to display arbitrary shapes, characters, figures, colors, etc., An image of a specific shape, such as the shape, character, or figure, may be formed on a metallic material or a non-metal material by etching, and may be formed of a translucent material having a specific color.

In addition, the image film part 122 is installed in a fixing groove installed inside the image housing 121, and is detachably installed so as to be separated if necessary, and can be replaced with an image film part 122 on which another image is formed. have.

In addition, the image film part 122 has a coupling groove (not shown) around the image film part 122 so that the image film part 122a having different shapes and colors can be stacked and fixed. It can be configured to provide various images and colors.

The sealing part 123 is installed around the coupling groove 121a or the coupling groove 121a to seal between the light source module 110 and the image module 120, and is made of rubber, silicone, etc., Moisture and dust are prevented from entering through the gap where the light source module 110 and the image module 120 are combined.

The optical module 130 is configured to be detachably installed at the output terminal of the image module 120 and to form and output light output from the image module 120 with an arbitrary magnification or light distribution angle. A housing 131, an optical lens 132, and a sealing part 133 are included.

The optical part housing 131 has a cylindrical shape or a hexahedral shape with both sides of which a hollow is formed therein, and is made of metal or synthetic resin.

In addition, the optical part housing 131 is provided with an optical part coupling groove 131a engaged with the image coupling protrusion 124 on one side of the opening, and the other optical module 130a (see FIG. 5) or An optical part coupling protrusion 134 that engages with the closing part 140 through force-fitting or screwing is installed.

That is, as shown in Fig. 5, a plurality of optical modules 130 and 130a forming different magnifications and light distribution angles are combined to combine various magnifications and light distribution angles such as long distance, short distance, wide angle, or narrow angle according to the installation location and image. It is possible to configure one image projection device (100a).

Referring back to FIGS. 1 to 4, the optical unit lens 132 is installed in the optical unit housing 131 so that the light that has passed through the image module 120 forms an arbitrary light distribution angle and is output. As an example, at least one optical unit lens 132 may be installed, and various lenses such as a convex lens, a concave lens, a Fresnel lens, a spherical lens, and an aspherical lens may be used.

The sealing part 133 is installed around the optical part coupling groove 131a or the optical part coupling groove 131a to seal between the optical module 130 and the image module 120, such as rubber, silicone, etc. It is made of, and prevents moisture and dust from entering through the gap in which the optical module 130 and the image module 120 are combined.

The closing part 140 is coupled to the optical part coupling protrusion 134 of the optical module 130, and has a light transmitting part 141 so that the light output through the optical module 130 is transmitted, and the optical It is configured to include a sealing part 142 to prevent moisture and dust from flowing into the inside of the module 130.

The bracket 150 is coupled to a fixture installed on a post, wall, ceiling, ground, etc., and the image projection device 100 supported through the rotation shaft 151 and the frame 152 is set in an arbitrary direction and then fixed. To be.

Accordingly, as shown in FIG. 6, the image projection apparatus 100 installed on the sidewall 200 may have one optical module 130 or a plurality of optical modules 130 according to the distance to the display surface 210 or the irradiation target surface spaced apart by a predetermined distance. An image using effective illumination can be provided by using the optical modules 130 and 130a.

(Example 2)

7 is a cross-sectional view showing another embodiment of the image projection apparatus according to the present invention, and the same reference numerals are used for the same components as in the first embodiment, and repetitive descriptions of the same components are omitted.

As shown in FIG. 7, the image projection apparatus 100b according to the second embodiment includes a light source 113 and a light source unit lens 114 configured to form an arbitrary light distribution angle and output the light emitted from the light source 113. A light source module 110 having, and at least one image that is detachably installed at the output terminal of the light source module 110 and provides a random image and color using light output from the light source module 110 The module 120 and the output terminal of the image module 120 are detachably installed, and allow the light output from the image module 120 to form and output an arbitrary magnification or distribution angle, and the magnification or distribution angle It is configured to include an optical module (130b) to be variable.

That is, the image projection apparatus 100b according to the second embodiment differs from the configuration of the image projection apparatus 100 according to the first embodiment in the configuration of the optical module 130b.

The optical module 130b according to the second embodiment includes an optical unit housing 131, an optical unit lens 132, and a sealing unit 133 sealing between the image module 120 and the optical module 130. And, it is configured to include a rotary knob (135).

The optical part housing 131 has a cylindrical shape or a hexahedral shape with both sides of which a hollow is formed therein, and is made of metal or synthetic resin.

The optical unit lens 132 is installed in the optical unit housing 131 so that the light that has passed through the image module 120 forms an arbitrary light distribution angle and is output, and according to the operation of the rotation knob 135 It moves along the longitudinal direction of the sub-housing 131 so that the light distribution angle is variable.

That is, the optical part lens 132 has a guide 132a formed on one side, the guide 132a is configured to be coupled with the rotation knob 135, and the guide 132a is in the rotation direction of the rotation knob 135 Accordingly, the optical unit lens 132 is moved in the longitudinal direction inside the optical unit housing 131.

The rotation knob 135 is a rod-shaped member that is rotatably installed on the optical unit housing 131 and is configured to engage with a guide 132a formed on one side of the optical unit lens 132, and has a thread on the outer surface. Is formed so that the optical part lens 132 can move according to the rotation direction of the rotation knob 135.

Therefore, the image projection device 100b installed at an arbitrary position adjusts the rotation knob 135 according to the distance to the display surface or the irradiation target surface spaced a certain distance to change the light distribution angle of the optical module 130b, thereby effectively Make sure lighting can be provided.

As described above, the present invention has been described with reference to preferred embodiments of the present invention, but those skilled in the art can variously modify and change the present invention within the scope not departing from the spirit and scope of the present invention described in the following claims. You will understand that you can do it.

In addition, reference numerals in the claims of the present invention are provided for clarity and convenience of description, and are not limited thereto. In the process of describing the embodiments, the thickness of the lines shown in the drawings, the size of components, etc. May be exaggerated for clarity and convenience of description, and the above-described terms are terms defined in consideration of functions in the present invention and may vary according to the intention or custom of users and operators. Is to be made based on the contents throughout this specification.

100, 100a, 100b: image projection device
110: light source module 111: light source unit housing
112: radiator 113: light source
114: light source unit lens 115: light source unit coupling protrusion
120: image module 121: image housing
121a: coupling groove 122: image film portion
123: sealing part 124: image coupling protrusion
130, 130a, 130b: optical module 131: optical unit housing
131a: optical unit coupling groove 132: optical unit lens
132a: guide 133: sealing part
134: optical part coupling protrusion 135: rotary knob
140: finishing part 141: light transmitting part
142: sealing part 150: bracket
151: rotation shaft 152: frame
200: side wall 210: display surface

Claims (6)

A light source module 110 including a light source 113 and a light source unit lens 114 for outputting light emitted from the light source 113 to form an arbitrary light distribution angle;
The image housing 121 is detachably installed at the output end of the light source module 110 and has a hollow inside, and is configured to be detachably and stacked on the image housing 121, and output from the light source module 110 An image film portion 122 having a coupling groove formed around the image film portion 122a having an image and color of a different shape and being stacked and fixed in an arbitrary shape and color through which the light passes, and the An image module 120 having a sealing part 123 that seals between the light source module 110 and the image housing 121;
The optical unit housing 131 that is detachably installed at the output terminal of the image module 120 and has a hollow inside, and the light that has passed through the image module 120 is installed in the optical unit housing 131 An optical unit lens 132 that forms an arbitrary light distribution angle and is output, a sealing unit 133 that seals between the image module 120 and the optical unit housing 131, and the optical unit according to the installation position and image. An optical module 130 having an optical unit coupling protrusion 134 for coupling the secondary lens 132 and an optional optical module 130a forming a different magnification and light distribution angle;
It is combined with the optical part coupling protrusion 134 of the optical module 130, and has a light transmitting part 141 so that the light output through the optical module 130 is transmitted, and the inside of the optical module 130 A closing part 140 having a sealing part 142 to prevent the inflow of moisture and dust; And
Brackets 150 that are coupled to fixtures installed on posts, walls, ceilings, ground, etc., and configured to fix the image projection apparatus 100 supported through the rotation shaft 151 and the frame 152 after being set in an arbitrary direction; Include,
The light source module 110 includes a light source housing 111 having a hollow inside;
A heat dissipation unit 112 installed on one side of the light source unit housing 111 to emit heat generated from the light source 113;
A light source 113 installed on one side of the heat dissipation unit 112 and outputting either monochromatic light or white light having an arbitrary wavelength range;
A light source unit lens 114 for outputting the light output from the light source 113 to form an arbitrary light distribution angle; And
An image projection apparatus comprising a light source unit coupling protrusion 115 installed at an end portion of the light source unit housing 111 and coupled to the image module 120. delete delete delete delete A light source module 110 including a light source 113 and a light source unit lens 114 for outputting light emitted from the light source 113 to form an arbitrary light distribution angle;
The image housing 121 is detachably installed at the output end of the light source module 110 and has a hollow inside, and is configured to be detachably attached and stacked on the image housing 121, and is output from the light source module 110 An image film portion 122 having a coupling groove formed around the image film portion 122a having an image and color of a different shape and being stacked and fixed in an arbitrary shape and color through which the light passes, and the An image module 120 having a sealing part 123 that seals between the light source module 110 and the image housing 121; And
The optical unit housing 131 that is detachably installed at the output terminal of the image module 120 and has a hollow inside, and the light that has passed through the image module 120 is installed in the optical unit housing 131 An optical unit lens 132 that forms an arbitrary light distribution angle and is output, a sealing unit 133 that seals between the image module 120 and the optical unit housing 131, and the optical unit according to the installation position and image. An optical unit coupling protrusion 134 for coupling a secondary lens 132 and an optional optical module 130a forming different magnifications and light distribution angles, and the optical unit lens 132 includes the optical unit housing 131 An optical module 130b having a rotation knob 135 that adjusts to move along the longitudinal direction of the;
It is coupled to the optical unit coupling protrusion 134 of the optical module 130b, and includes a light-transmitting unit 141 to transmit light output through the optical module 130b, and to the inside of the optical module 130b. A closing part 140 having a sealing part 142 to prevent the inflow of moisture and dust; And
Brackets 150 that are coupled with fixtures installed on posts, walls, ceilings, and the ground, and are fixed after the image projection apparatus 100b supported by the rotation shaft 151 and the frame 152 is set in an arbitrary direction; Include,
The light source module 110 includes a light source housing 111 having a hollow inside;
A heat dissipation unit 112 installed on one side of the light source unit housing 111 to emit heat generated from the light source 113;
A light source 113 installed on one side of the heat dissipation unit 112 and outputting either monochromatic light or white light having an arbitrary wavelength range;
A light source unit lens 114 for outputting the light output from the light source 113 to form an arbitrary light distribution angle; And
An image projection apparatus comprising a light source unit coupling protrusion 115 installed at an end portion of the light source unit housing 111 and coupled to the image module 120.

Images