KR102156267B1 - Heat sink for shadow advertising system - Google Patents

Abstract

The present invention relates to a heat sink of a shadow advertisement system, in a shadow advertisement system including a main housing, a lens case, a heat sink, a light source module, a rear lens module, a position support and a front lens module, wherein the heat sink comprises: A heat dissipation block interviewed with a light source module, a plurality of heat dissipation fins installed in an upright form from one surface of the heat dissipation block, and a heat sink case surrounding and protecting the plurality of heat dissipation fins, and a rear end of the heat sink case An exhaust port is formed around the periphery, and a plurality of intake holes are formed at positions corresponding to the tips of the radiating fins at a predetermined interval at the tip, and extending inward from the circumference of the intake hole to separate the radiating fins at a predetermined interval. An air guide tube wrapped around with is formed.

Description

Heat sink for shadow advertising system

The present invention relates to a heat sink of a shadow advertisement system, and more particularly, to a heat sink of a shadow advertisement system that improves the heat dissipation performance of a light source module to increase its service life.

In general, lighting devices such as streetlights installed outdoors provide a space for securing sufficient visibility to people passing by even in dark situations such as in the evening or at night by irradiating light into a certain area to form a lighting area. Is done.

In this way, lighting devices installed in various places in the outdoors create a predetermined bright environment by irradiating light, thereby showing a distinct difference in brightness compared to the darkened surrounding illumination. And can be used as an easily recognizable area even from a distance.

Considering that the space in the lighting area using such a lighting device can draw attention to people's gaze at night, in order to add the function of providing advertisements to the lighting device, the applicant of the present invention intends to use a street light in Korean Patent Registration No. 10-1324081. It has been registered and applied for'shadow advertisement system and method'.

The shadow advertisement system 1 and the method using a street light according to such a pre-registered patent include a light source 10 that emits light as shown in FIG. 1, and a linear light from the light source is collected by a lens to be used for advertisement of a film. It is composed of an image glass 20 made of a transparent material that projects the image, and a lens 30 fixed at a certain distance apart from the image glass 20 and having a certain radius of curvature, but the lens can be used as a convex lens or a concave lens. In addition, a convex lens of a different material may be formed on a wide-surface lens or a curved lens, and when the advertisement of the image glass 20 receives light and is distributed to the lens, the advertisement printed on the image glass 20 is transferred to the lens 30 It is projected on the light passing through and is exposed to a certain place.

However, in the shadow advertisement system 1 of the prior art, intensive thermal energy is emitted from the light source (LED light-emitting unit) due to the characteristics of LED lighting, and the product can be stable and long-term operation only when it is effectively discharged. As a result, the problem is solved by using aluminum or a specific metal material with several wings called a heat sink, but in this case, there is a problem that a limitation occurs in effectively and sufficiently solving the heat generated inside.

Korean Patent Registration No. 10-1827255 (2018.02.02.)

The present invention was conceived in light of the above problems, and the technical problem to be solved by the present invention is that the air blown by the blowing fan is in contact with each of the radiating fins of the heat sink for a long time, and at the same time, the radiating fins It is to provide a heat sink of the shadow advertisement system that can increase the service life by maximizing the heat dissipation effect by making heat exchange with the entire area of the wall.

The problems of the present invention are not limited to the problems mentioned above, and other problems that are not mentioned will be clearly understood by those skilled in the art from the following description.

The heat sink of the shadow advertisement system according to the embodiment of the present invention for solving the above problem is a shadow advertisement system including a main housing, a lens case, a heat sink, a light source module, a rear lens module, a position support and a front lens module. The heat sink includes a heat sink block that is interviewed with the light source module, a plurality of heat sink fins installed in an upright form from one surface of the heat sink block, and a heat sink case surrounding and protecting the plurality of heat sink fins. In addition, an exhaust port is formed around the rear end of the heat sink case, and a plurality of intake holes are formed at positions corresponding to the front ends of the heat dissipating fins at a predetermined interval at the front end, and extend in an inward direction from the periphery of the intake hole. It may consist of a configuration in which an air guide tube surrounding the heat dissipation fins at a predetermined interval is formed.

In this case, the air guide tube may have a cone shape whose cross-sectional area gradually decreases from the front end side to the rear end side around the intake hole.

In addition, a spiral protrusion may be formed around the inner surface of the air guide tube.

In addition, the rear end of the air guide tube may be disposed at a position spaced apart from the heat dissipation block by a predetermined distance, and may be disposed at a position parallel to the exhaust port in a horizontal direction.

Meanwhile, a fan case coupled to the heat sink case and a blowing fan installed in the fan case may be further included, and an inlet port for inhaling outside air may be formed on one surface of the fan case.

Other specific details of the present invention are included in the detailed description and drawings.

According to the heat sink of the shadow advertisement system according to an embodiment of the present invention, the air blown by the blowing fan is in contact with each of the radiating fins of the heat sink for a long time and at the same time, heat exchange with the entire area of the radiating fins is made, As the heat dissipation effect is maximized, an effect of increasing the service life may be provided.

The effects according to the present invention are not limited by the contents exemplified above, and more various effects are included in the present specification.

1 is a schematic diagram schematically showing the configuration of a conventional shadow advertisement system.
2 is a cross-sectional view of a shadow advertisement system according to a first embodiment of the present invention.
3 is an enlarged cross-sectional view of the heat sink in FIG. 2.
Figure 4 is a partial perspective view of the heat sink in Figure 3;
5 is a cross-sectional view of a shadow advertisement system according to a second embodiment of the present invention.
6 is an enlarged cross-sectional view of the heat sink in FIG. 5.
7 is a partial perspective view of the heat sink in FIG. 6.
8 is an enlarged cross-sectional view of a main part of FIG. 7.
9 is a plan view showing an advertisement image printed on an image glass of a shadow advertisement system according to embodiments of the present invention.
10 is a diagram substitute photo showing a state in which an advertisement image is exposed by a shadow advertisement system according to embodiments of the present invention.

Advantages and features of the present invention, and a method of achieving them will become apparent with reference to the embodiments described below in detail together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in a variety of different forms, only the present embodiments are intended to complete the disclosure of the present invention, and the general knowledge in the technical field to which the present invention pertains. It is provided to completely inform the scope of the invention to those who have it, and the invention is only defined by the scope of the claims. The same reference numerals refer to the same components throughout the specification.

Accordingly, in some embodiments, well-known process steps, well-known structures, and well-known techniques have not been described in detail in order to avoid obscuring interpretation of the present invention.

The terms used in the present specification are for describing exemplary embodiments and are not intended to limit the present invention. In this specification, the singular form also includes the plural form unless specifically stated in the phrase. Comprises and/or comprising as used in the specification means not to exclude the presence or addition of one or more other components, steps and/or actions other than the mentioned components, steps and/or actions. Use as. And, “and/or” includes each and every combination of one or more of the recited items.

Further, the embodiments described in the present specification will be described with reference to a perspective view, a cross-sectional view, a side view, and/or a schematic view, which are ideal exemplary views of the present invention. Therefore, the shape of the exemplary diagram may be modified by manufacturing technology and/or tolerance. Accordingly, embodiments of the present invention are not limited to the specific form shown, but also include a change in form generated according to a manufacturing process. In addition, in each drawing shown in the exemplary embodiment of the present invention, each component may be somewhat enlarged or reduced in consideration of convenience of description.

Hereinafter, a heat dissipation structure of a shadow advertisement system according to an embodiment of the present invention will be described in detail on the basis of the accompanying exemplary drawings.

<First embodiment>

2 is a cross-sectional configuration diagram of a shadow advertisement system according to a first embodiment of the present invention, FIG. 3 is an enlarged cross-sectional view of the heat sink in FIG. 2, and FIG. 4 is a partial perspective view of the heat sink in FIG. A configuration and operation relationship of a shadow advertisement system to which a heat sink according to the first embodiment of is applied will be described first.

Referring to FIG. 2, a shadow advertisement system to which a heat sink according to the first embodiment of the present invention is applied includes a main housing 102, a lens case 110, a heat sink 200, a light source module 120 and 122, and a rear A lens module 130, a position support 160, and a front lens module 150 may be included.

Here, the shadow advertisement system may be configured to include only the main housing 102, the lens case 110, the heat sink 200, and the light source modules 120 and 122.

The main housing 102 may be formed in a cylindrical shape with an open front surface, threads are formed at both ends, and a first light source hole may be formed in the center of the rear surface. In this case, the main housing 102 may be formed with a bolting hole so as to be bolted to the heat sink 200 to be described in detail later.

In addition, the lens case 110 is formed in a cylindrical shape with an open rear surface, is screwed to the front surface of the main housing 102, and a transparent glass hole is formed in the front surface so that the transparent glass 112 may be installed. In this case, the transparent glass 112 is preferably subjected to a moisture-proof coating treatment on the surface, and may be attached by tape or silicone.

In the light source modules 120 and 122, the light source 120 is mounted on the PCB 122 and is coupled to the front of the heat sink 200, so that the light source 120 is transmitted through the first light source hole of the main housing 102. It is installed facing the 110) side.

Here, the light source 120 is preferably a high-brightness and low-power LED is applied.

The heat sink 200 includes a heat dissipation block 124 interviewed with the light source modules 120 and 122, a plurality of heat dissipation fins 220 installed upright from one side of the heat dissipation block 124, and the plurality of heat dissipation It may be configured to include a heat sink case 210 that surrounds and protects the fins 220.

The detailed configuration of the heat sink 200 and its operational relationship will be described in detail later.

The rear lens module 130 includes a first rear convex lens 132, a second rear convex lens 134, and an image glass 136, and the front lens module 150 includes a first front convex lens 152 ), a front concave lens 154 and a second front convex lens 156, and at this time, the rear lens module 130 and the front lens module 150 are connected by a position support 160 Can be supported.

A brief description of the operating relationship of the shadow advertisement system 100 that can be configured as described above is as follows.

In the state in which the shadow advertisement system 100 is installed, when power is supplied, light is generated from the light sources 120 of the light source modules 120 and 122 to be irradiated forward within the lens case 110.

Accordingly, the light generated from the light source 120 passes through the first rear convex lens 132 and the second rear convex lens 134 of the rear lens module 130 and is condensed as straight light to pass therethrough.

As a result, the light passes through the image glass 136 and transmits light to the advertisement image printed on the image glass 136. At this time, the image glass 136 transmits only the advertising image portion, and the rest of the light is blocked. It can be prevented from penetrating, various colors can be printed, and light can be transmitted throughout.

Thereafter, as the advertisement image passes through the first front block lens 152, the front concave lens 154, and the second front convex lens 156 of the front lens module 150, the advertisement image becomes clearer and expands.

In addition, the advertisement image passing through the second front convex lens 156 is irradiated to the ground or wall as shown in FIG. 10 to expose the advertisement image.

In this way, as power is supplied to the shadow advertisement system 100 and the light source modules 120 and 122 are operated, the heat generated from the light source 120 that generates high temperature, that is, the LED, passes the heat sink 200 through the PCB 124. Transmission is made to the configured heat dissipation block 124 and a plurality of heat dissipation fins 220.

For reference, FIG. 9 is a plan view showing an advertisement image printed on an image glass of a shadow advertisement system according to a first embodiment of the present invention and a second embodiment to be described later, and FIG. 10 is a first embodiment of the present invention. It is a drawing substitute photo showing a state in which an advertisement image is exposed by a shadow advertisement system according to a second embodiment to be described later.

Accordingly, heat transferred to the heat sink 200 is radiated to the outside, and the heat sink 200 performing such a function will be described as follows.

2 is a cross-sectional configuration diagram of a shadow advertisement system according to an embodiment of the present invention, FIG. 3 is an enlarged cross-sectional view of the heat sink in FIG. 2, and FIG. 4 is a partial perspective view of the heat sink in FIG. 3.

2 to 4, the heat sink 200 of the shadow advertisement system 100 according to an embodiment of the present invention is, as described above, a heat dissipation block 124 that is interviewed with the light source modules 120 and 122 And, a configuration including a plurality of heat dissipation fins 220 installed in an upright form from one surface of the heat dissipation block 124, and a heat sink case 210 that surrounds and protects the plurality of heat dissipation fins 220 Can be done.

Here, an exhaust port 212 may be formed around the rear end of the heat sink case 210, and a plurality of intake holes 242 may be formed at a predetermined interval, that is, a position corresponding to the front end of the heat dissipation fins 220 at the front end. .

In addition, the heat sink 200 includes a fan case 230 coupled to the heat sink case 210, and a blowing fan 240 installed in the fan case 230 and operated by an electrical signal. Can be made.

Here, it is preferable that an inlet port 232 for inhaling outdoor air is formed on one surface of the fan case 230.

The operation relationship of the heat sink 200 that can be configured as described above will be described as follows.

First, when power is supplied to the shadow advertisement system 100 and the light source modules 120 and 122 are turned on, power is also supplied to the blowing fan 240 so that the blowing fan 240 operates. The outside air is supplied to the heat dissipation fins 220 by the driving of 240, so that the heat dissipation fins 220 exchange heat as they come into contact with the outside air, so that heat dissipation is achieved.

That is, when the blowing fan 240 is driven, outside air flows into the fan case 230 through the inlet 232 of the fan case 230 and heats through the intake hole 242 of the heat sink case 210. Inflow into the sink case 210 is made.

As such, the contact time of the air flowing into the heat sink case 210 with the heat dissipation fin 220 is increased, so that heat exchange efficiency can be greatly improved.

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In this way, the air forming heat exchange with the heat dissipation fins 220 is discharged to the outside through the exhaust port 212 formed around the rear end of the heat sink case 210, thereby performing a heat dissipation function. .

As described above, according to the heat sink 200 of the shadow advertisement system 100 according to the first embodiment of the present invention, the air blown by the blowing fan 240 is transmitted to each heat sink 200 of the heat sink 200. As the contact is made with the 220 for a long time and heat exchange with the entire area of the heat dissipation fins 220 is performed, the heat dissipation effect is maximized, thereby increasing the service life.

<Second Example>

5 is a cross-sectional configuration diagram of a shadow advertisement system according to a second embodiment of the present invention, FIG. 6 is an enlarged cross-sectional view of the heat sink in FIG. 5, FIG. 7 is a partial perspective view of the heat sink in FIG. 6, and FIG. It is an enlarged cross-sectional view of the main part of FIG.

For reference, since the configuration and operation relationship of the shadow advertisement system according to the second embodiment of the present invention has been described in the previous first embodiment, the same parts are denoted by the same reference numerals, and the repeated description thereof will be omitted. .

As power is supplied to the shadow advertisement system 100 according to the second embodiment of the present invention and the light source modules 120 and 122 operate, the light source 120 that generates high temperature, that is, heat generated from the LED, is transmitted through the PCB 124. The heat dissipation block 124 constituting the heat sink 200 and the plurality of heat dissipation fins 220 are transmitted.

Accordingly, heat transferred to the heat sink 200 is radiated to the outside, and the heat sink 200 performing such a function will be described as follows.

5 to 8, the heat sink 200 of the shadow advertisement system 100 according to the second embodiment of the present invention, as described above, is a heat dissipation block that is interviewed with the light source modules 120 and 122 ( 124), a plurality of heat dissipation fins 220 installed in an upright form from one surface of the heat dissipation block 124, and a heat sink case 210 that surrounds and protects the plurality of heat dissipation fins 220 It can be made in configuration.

Here, an exhaust port 212 may be formed around the rear end of the heat sink case 210, and a plurality of intake holes 242 may be formed at a predetermined interval, that is, a position corresponding to the front end of the heat dissipation fins 220 at the front end. .

In addition, an air guide tube 300 may be formed that extends inward from the periphery of the intake hole 242 of the heat sink case 210 and surrounds each of the heat dissipation fins 220 at a predetermined interval.

The air guide pipe 300 is preferably configured in a cone shape whose cross-sectional area gradually decreases from the front end side to the rear end side around the intake hole 242.

In addition, as the spiral protrusion 310 is formed around the inner surface of the air guide tube 300, it is preferable that the air flowing into the inside is rotated and moved.

In this case, various types of protrusions and grooves may be formed around the inner surface of the air guide tube 300 as long as it restricts the moving speed of air, such as a helical groove instead of the helical protrusion 310.

On the other hand, the rear end of the air guide tube 300 is disposed at a position spaced apart from the heat dissipation block 124 by a predetermined distance, so that the position is approximately horizontally parallel to the exhaust port 212 formed around the rear end of the heat sink case 210 It is desirable to be placed in.

In addition, the heat sink 200 includes a fan case 230 coupled to the heat sink case 210, and a blowing fan 240 installed in the fan case 230 and operated by an electrical signal. Can be made.

Here, it is preferable that an inlet port 232 for inhaling outdoor air is formed on one surface of the fan case 230.

The operation relationship of the heat sink 200 that can be configured as described above will be described as follows.

First, when power is supplied to the shadow advertisement system 100 and the light source modules 120 and 122 are turned on, power is also supplied to the blowing fan 240 so that the blowing fan 240 operates. The outside air is supplied to the heat dissipation fins 220 by the driving of 240, so that the heat dissipation fins 220 exchange heat as they come into contact with the outside air, so that heat dissipation is achieved.

That is, when the blowing fan 240 is driven, outside air is introduced into the fan case 230 through the inlet 232 of the fan case 230, and air through the intake hole 242 of the heat sink case 210 Inflow is made into the induction tube 300.

In this way, the air introduced into the air guide tube 300 is rotated by the spiral protrusion 310 formed on the inner surface thereof, as shown in FIG. 8, and is moved toward the rear end, the radiating fin 220 The contact time between the air and the air is increased, so that the heat exchange efficiency can be greatly improved.

In addition, as described above, as the air guide tube 300 forms a cone shape whose diameter gradually decreases as it goes from the front end side to the rear end side, the flow velocity of air moving due to the bottleneck is slowed down, thereby dissipating heat. As the contact time with the fin 220 increases, the heat exchange efficiency may be greatly improved.

In particular, the air introduced from the fan case 230 flows only through the air induction tube 300 surrounding the radiating fins 220 through the intake holes 242 of the heat sink case 210. Heat exchange efficiency for the fins 220 can be greatly improved.

In this way, the air forming heat exchange with the heat dissipation fins 220 is discharged to the outside through the exhaust port 212 formed around the rear end of the heat sink case 210, thereby performing a heat dissipation function. .

As described above, according to the heat sink 200 of the shadow advertisement system 100 according to the second embodiment of the present invention, the air blown by the blowing fan 240 is transmitted to each heat sink 200 of the heat sink 200. As the contact is made with the 220 for a long time and heat exchange with the entire area of the heat dissipation fins 220 is performed, the heat dissipation effect is maximized, thereby increasing the service life.

Those of ordinary skill in the art to which the present invention pertains will appreciate that the present invention can be implemented in other specific forms without changing the technical spirit or essential features thereof. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not limiting. The scope of the present invention is indicated by the claims to be described later rather than the detailed description, and all changes or modified forms derived from the meaning and scope of the claims and their equivalent concepts should be interpreted as being included in the scope of the present invention. do.

100: shadow advertising system 102: main housing
110: lens case 120: light source
130: rear lens module 150: front lens module
160: position support 200: heat sink
210: heat sink case 212: exhaust port
220: heat dissipation fin 230: fan case
232: inlet 240: blowing fan
300: air guide tube 310: spiral projection

Claims (6)

In the shadow advertising system including a main housing, a lens case, a heat sink and a light source module,
The heat sink,
A heat dissipation block interviewed with the light source module, a plurality of heat dissipation fins installed in an upright form from one surface of the heat dissipation block, a heat sink case surrounding and protecting the plurality of heat dissipation fins, and coupled to the heat sink case A fan case and a blowing fan installed in the fan case,
An inlet port for inhaling outside air is formed on one side of the fan case,
An exhaust port is formed around the rear end of the heat sink case, and a plurality of intake holes are formed at positions corresponding to the front ends of the heat dissipation fins at a predetermined interval at the front end,
An air guide tube is formed that extends in an inward direction from the periphery of the intake hole and surrounds the heat dissipation fin at a predetermined interval,
The air guide tube,
A cone shape whose cross-sectional area gradually decreases as it goes from the front end side to the rear end side around the intake hole,
A spiral protrusion is formed around the inner surface of the air guide tube,
The rear end of the air guide tube is disposed at a position spaced apart from the heat dissipation block by a predetermined distance, and is disposed at a position parallel to the exhaust port in a horizontal direction. delete delete delete delete delete

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