KR101054782B1 - Street lamp - Google Patents

Abstract

The present invention relates to a street lamp that can not only increase the heat dissipation efficiency of the head portion by heat dissipating the inside of the head portion heated by the heat generated from the light source through the circulation of air, but also minimize the breakage of components due to heat.

Street lamp according to the present invention is a hollow formed therein, and the pillar is formed with a ventilation portion on one side so that the hollow can communicate with the outside; A head portion installed at an upper end of the support to form a space portion in communication with the hollow inside, and an auxiliary ventilation portion formed at the space portion so as to communicate with the outside; And a light source unit installed in the head of the head unit to emit light.

Street Light, Air, Heat Resistant, Convection

Description

Street light {A STREET LIGHT}

The present invention relates to a street lamp, and more particularly, the heat dissipation efficiency of the head portion can be increased by circulating air inside the head portion heated by heat generated from the light source, and the breakage of components due to heat can be prevented. It relates to a street light that can be minimized.

In general, a road is provided between the roadway and the sidewalk to illuminate the roadway and sidewalks so that the vehicle can safely drive at night and pedestrians can safely walk.

Such a street lamp is composed of a post fixed to the ground and the head portion is installed on the support and the light source is installed therein, and a lamp such as a high pressure mercury lamp or sodium lamp is mainly used as the light source.

Most of the lamps used for the lighting of such streetlights have a short duration of use, a weak durability, and a large amount of power consumption. In recent years, the use of high-brightness LEDs has gradually increased as a lamp for streetlights.

When the LED is used as the light source of the street lamp as described above, a large number of LEDs are used to sufficiently secure the brightness of the street lamp. Therefore, a large amount of heat is generated in the head of the street lamp in which the LED is installed. The lifespan of the electronic parts used to rise is shortened, and problems, such as damage, arise.

The present invention has been made in order to improve the above problems, the present invention is to more effectively radiate the heat inside the head portion heated by heat generated from the light source through the circulation of air, thereby increasing the heat radiation efficiency of the head portion, It is an object of the present invention to provide a street lamp that can reduce the lifespan and damage of electronic components.

Street lamp according to an embodiment of the present invention for achieving the above object, the hollow is formed therein, and the support pillar is formed with a ventilation portion on one side so that the hollow can communicate with; A head portion installed at an upper end of the support to form a space portion in communication with the hollow inside, and an auxiliary ventilation portion formed at the space portion so as to communicate with the outside; And a light source unit installed in the space of the head unit to emit light.

Here, the support and the head portion is characterized in that the protective cover is further included so that foreign matter can be prevented from penetrating through the ventilation portion and the auxiliary ventilation portion.

In addition, the support is characterized in that the induction member is provided in the hollow to guide the flow of air to the upper side.

In addition, the guide member is characterized in that the guide portion is provided in a spiral along the hollow inner surface of the support.

In addition, the induction member is characterized in that the blowing fan is installed in the hollow of the support so as to blow the air of the support to the head portion.

In addition, the induction member, a sensor for sensing the internal temperature of the head portion; And

And a control unit for driving the blower fan according to the temperature detection signal input from the detection sensor.

According to the street lamp according to the embodiment of the present invention configured as described above, since the heat generated from the PCB by the LED is effectively radiated by the air circulated through the support and the head portion, the heat dissipation efficiency of the head portion is increased and the electronic component by heat It has the effect of shortening the life and reducing breakage.

Specific embodiments of the present invention will be described with reference to the accompanying drawings. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

Hereinafter, a street lamp according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing the configuration of a street lamp according to an embodiment of the present invention, Figure 2 is a cross-sectional view showing the configuration of a street lamp according to an embodiment of the present invention, Figure 3 is a head portion of a street lamp according to an embodiment of the present invention It is an expanded sectional drawing which shows a structure, and FIG. 4 is AA sectional drawing of FIG.

1 to 4, the street lamp 100 according to the present embodiment includes a post 110 installed on a road and a head 120 installed at the post 110 to illuminate the periphery of the street lamp 100. ). At this time, the head 120 is installed on the support 110 through the supporter member 130 extending from the support 110, the light source unit 140 for emitting light to the outside of the head 120 inside. Is installed.

The strut 110 and the supporter member 130 of the street lamp 100 according to the present embodiment may be manufactured in various lengths and shapes according to the surrounding environment of the place where the street lamp 100 is installed.

In addition, the street lamp 100 has a hollow shape such that the support 110 and the supporter member 130 have a hollow shape so that the inside of the head 120 heated by the heat generated from the light source 140 and the sunlight can be more easily radiated. It is formed so that, the inside of the head portion 120 is in communication with the hollow of the support 110 and the supporter member 130.

Specifically, the support 110 is provided with a ventilation portion 111 at the lower end so that the outside air of the street lamp 100 is guided to the head portion 120 through the hollow. In addition, a protective cover 113 is provided at the lower end of the support 110 to prevent rainwater or foreign matter from penetrating through the ventilation unit 111.

Ventilation portion 111 of the support 110 is a plurality of ventilation holes (111a) formed along the outer surface of the support 110 through punching or press processing, and the inner surface of the support 110 in the inner surface of the ventilation hole (111a) It consists of the guide plate 111b bent inward. The guide plate 111b of the ventilation part 111 is bent upward in order to allow the outside air of the support 110 to flow more effectively in the upper direction of the support 110 through the ventilation hole 111a.

In addition, the ventilation unit 111 is further provided with a protective net 115 so that the ventilation hole (111a) can be covered. The guard net 115 of the ventilation part 111 prevents insects or small animals from penetrating into the support 110 through the ventilation hole 111a.

This is to prevent insects or animals from penetrating into the interior of the street light 100 to damage parts therein. As such, the protection net 115 of the ventilation unit 111 according to the present embodiment is preferably attached to the outer surface of the support 110.

In the present embodiment, for example, the ventilation portion 111 is formed at the lower end of the support, but the position where the ventilation portion 111 is provided may be freely changed, if necessary, the ventilation portion 111 is a plurality It can also be configured.

In addition, in this embodiment, although the ventilation part 111 is demonstrated that it consists of the some ventilation hole 111a and the guide plate 111b, for example, it is possible to comprise the ventilation part 111 only with the ventilation hole 111a. In addition, the direction in which the guide plate 111b is bent may be freely formed in the outer side or the lower side of the support 110, or the like.

Referring back to FIG. 2, the strut 110 guides the flow of air introduced through the vent 111 to the upper side of the strut 110 so that the internal air can be delivered to the head 120 more quickly. The member 117 is further provided therein.

Guide member 117 is formed by a guide plate attached to the hollow inner surface of the support 110, the guide plate is formed spirally on the hollow inner surface of the support (110). Because of this, the air introduced into the support 110 through the ventilation portion 111 is guided to the head portion 120 more quickly, the heat dissipation effect of the head portion 120 is further increased.

Referring to FIGS. 3 and 4 again, the light source unit 140 includes a plurality of LEDs 141 through which light is emitted, a PCB 143 to which the LEDs 141 are bonded, and a PCB ( And a heat sink 145 for dissipating heat generated at 143. In addition, the light source unit 140 further includes a reflector 147 reflecting light emitted from the LED 141 to the lower side of the head unit 120. The reflector 147 is formed with a reflection groove (not shown) along the longitudinal direction on the surface so that the light of the LED 141 can be more effectively reflected.

The PCB 143 of the light source unit 140 according to the present exemplary embodiment may be formed on the outer surface of the PCB 143 by any one selected from a metal-based aluminum or copper (COPPER), but may be formed of various materials according to a user's needs. May be

The head part 120 in which the light source unit 140 is installed has a canopy 121 in which an opening is formed on one surface and a light source unit 140 is installed therein, and a canopy 121 so that the opening of the canopy 121 is covered. It includes a canopy cover 123 coupled to).

The canopy 121 of the head part 120 is provided with an auxiliary ventilation part 125 at one side so that heat generated from the light source part 140 can be radiated. The auxiliary ventilation part 125 of the head part 120 includes a plurality of ventilation holes 125a formed on the upper surface of the head part 120 by punching or pressing, and a canopy 121 on the inner surface of the ventilation hole 125a. It consists of a guide plate (125b) is bent in the outward direction.

The bending of the guide plate 125b of the auxiliary ventilation unit 125 in the outward direction of the canopy 121 allows the internal air of the head unit 120 to more effectively move out of the head unit 120 through the ventilation hole 125a. To be discharged.

The air introduced through the ventilation unit 111 of the support 110 is discharged to the auxiliary ventilation unit 125 of the head unit 120 as described above. For this reason, the inside of the head part 120 which is heated inside by the light source part 140 dissipates heat efficiently.

In addition, the head portion 120 has a protective cover 127 is attached to the upper surface to surround the auxiliary ventilation portion 125 to prevent rain water from penetrating through the ventilation hole (125a) of the auxiliary ventilation portion 125. . The protection net 129 is attached to the inner surface of the head 120 to cover the ventilation hole 125a of the auxiliary ventilation part 125. The guard net 129 of the head part 120 prevents insects or small animals from penetrating into the head part 120 through the auxiliary ventilation part 125.

This is to prevent insects or animals from penetrating into the interior of the head unit 120 and damaging the components of the light source unit 140.

In addition, in the present embodiment, for example, the auxiliary ventilation unit 125 is composed of a plurality of ventilation holes (125a) and the guide plate (125b), but the auxiliary ventilation unit 125 to the ventilation holes 125a only. In addition, the guide plate 125b may be bent into the canopy 121.

On the other hand, the canopy cover 123 to cover the opening of the canopy 121 is coupled to the lower portion of the canopy 121 to form a sealed space portion is made of transparent or translucent. The canopy cover 123 is fixed to the canopy 121 by fastening means such as bolts or screws.

Next, the operation of the street lamp according to the embodiment of the present invention configured as described above will be described in detail.

First, when the LED 141 of the light source unit 140 is turned on at night, when the internal temperature of the head unit 120 is increased by the heat generated from the LED 141, the internal air of the head unit 120 and the external air are separated. Atmospheric pressure difference is generated. At this time, when the internal air temperature of the head unit 120 is higher than the external air temperature of the head unit 120, the air pressure inside the head unit 120 is higher than the outside air pressure so that the internal air heads through the auxiliary ventilation unit 125. Natural discharge to the outside of the portion 120.

In addition, the lower air of the street lamp 100 is moved to the head 120 through the support 110 through the vent 111 of the support 110 by the amount of the internal air of the head 120 naturally discharged to the outside. As it is supplied, the internal temperature of the head 120 is cooled faster.

In particular, at night, the temperature difference between the inside of the head unit 120 and the outside of the street lamp 100 becomes larger than the daytime, so that natural air flow through the ventilation unit 111 and the auxiliary ventilation unit 125 of the street lamp 100 is further increased. The heat dissipation effect of the head 120 is further improved.

As such, when the internal temperature of the head unit 120 rises, the air outside the street lamp 100 passes through the ventilation unit 111 of the support 110 and the auxiliary ventilation unit 125 of the head unit 120. Since it is naturally blown into the inside of the unit 120, it is possible to prevent the light source unit 140 from being damaged by the rise in temperature.

In addition, when the internal temperature of the head unit 120 rises due to sunlight even during the summer day, the inside of the street light 100 is naturally radiated due to the difference between the inside and the outside temperature, so that the parts of the light source unit 140 are damaged even in the summer. Can be prevented.

In addition, the ventilating part 111 of the support 110 and the auxiliary venting part 125 of the head part 120 flow into the interior of the street light 100 by the protective covers 113 and 127 and the guard nets 115 and 129. Since it is possible to prevent the foreign matter and animals such as insects or mice to penetrate, it is possible to minimize the damage to the light source unit 140 by the external environment.

Meanwhile, an induction member according to another exemplary embodiment of the present invention will be described with reference to FIGS. 5 and 6.

Figure 5 is a cross-sectional view showing a state in which the guide member is installed in the support according to another embodiment of the present invention, Figure 6 is a block diagram showing the configuration of the guide member according to another embodiment of the present invention.

5 and 6, the induction member 150 according to another embodiment of the present invention includes a blowing fan 151 installed inside the support 110 and a control unit for driving the blowing fan 151. 153 and a temperature sensor 155 for sensing the temperature of the head 120.

Induction member 150 is a temperature sensor 155 is installed inside the head portion 120 detects the internal temperature of the head portion 120 and outputs a temperature detection signal to the control unit 153, the control unit 153 The fan drives the blower fan 151 according to the temperature detection signal input from the temperature sensor 155.

At this time, the control unit 153 compares the temperature of the head unit 120 with a preset reference value and drives the blower fan 151 if the temperature of the head unit 120 is equal to or greater than the reference value, and if it is less than the reference value, the blowing unit The drive of the fan 151 is stopped.

Such an induction member 150 may supply air outside the support 110 to the head portion 120 more quickly when the blower fan 151 is operated, thereby further improving the heat dissipation effect of the head portion 120. .

As described above, the present invention has been described with reference to the embodiments shown in the drawings, but this is merely exemplary, and those skilled in the art to which the art belongs may have various modifications and other equivalent embodiments therefrom. I understand that it is possible. Therefore, the true technical protection scope of the present invention will be defined by the claims below.

1 is a perspective view showing the configuration of a street lamp according to an embodiment of the present invention.

2 is a cross-sectional view showing the configuration of a street lamp according to an embodiment of the present invention.

Figure 3 is an enlarged cross-sectional view showing the configuration of the head portion of the street lamp according to an embodiment of the present invention.

4 is a cross-sectional view taken along the line A-A of FIG.

5 is a cross-sectional view showing a state in which the guide member is installed in the support according to another embodiment of the present invention.

6 is a block diagram showing the configuration of an induction member according to another embodiment of the present invention.

♠ Code description for the main part of the drawing ♠

100: street light 110: prop

120: head portion 130: supporter member

140: light source

Claims (6)

A hollow is formed in the inside, and a pillar is formed in one side so that the hollow can communicate with the outside, and a space is formed in the upper end of the support to communicate with the hollow inside, the space is in communication with the outside A head portion having an auxiliary ventilation portion formed therein; A light source unit installed in the space of the head unit to emit light; And the support and the head portion includes a protective cover to prevent foreign matter from penetrating through the ventilation portion and the auxiliary ventilation portion, The ventilation portion is composed of a plurality of ventilation holes formed in the support and the guide plate bent inward of the support from the inner surface of the ventilation hole, And the auxiliary ventilation part comprises a ventilation hole formed in an upper surface of the head part, and a guide plate bent outwardly of the head part from the ventilation hole of the head part. delete The method of claim 1, The pillar is a street light, characterized in that the induction member for inducing the flow of air to the upper side. The method of claim 3, wherein The guide member is a street light, characterized in that the guide plate is provided spirally along the hollow inner surface of the support. The method of claim 3, wherein The induction member is a street lamp, characterized in that the blowing fan is installed in the hollow of the pillar so as to blow the air of the pillar to the head portion. The method of claim 5, wherein the induction member, A temperature sensor for sensing an internal temperature of the head unit; And A controller for driving the blower fan according to a temperature detection signal input from the temperature sensor; Street light further comprising a.

Images