KR20100108797A

KR20100108797A - Street lamp

Info

Publication number: KR20100108797A
Application number: KR1020090027009A
Authority: KR
Inventors: 이재덕; 정헌제
Original assignee: 이재덕; 정헌제
Priority date: 2009-03-30
Filing date: 2009-03-30
Publication date: 2010-10-08

Abstract

The present invention relates to a street lamp using an LED (light emitting diode), and to form a mounting space in the front of the main body before and after fastening the heat sink support, the heat sink is mounted between the heat sink support to the lower portion of the heat sink Fasten the lens with the LEDs and the LEDs provided with the two LEDs, the gasket is mounted on the contact portion of the lens and the heat sink, the lens is the first recessed formed in the top of the special lens protruding on the bottom while the insertion portion is wrapped around the LED By applying light scattering to eliminate the shadow of the characteristic of the single LED and applying convex lens secondaryly to increase the efficiency by collecting the light, the insertion space adjacent to the mounting space of the main body to form an alternating current to the direct current Inserting AC switching unit and DC electrical output unit To make, and by finishing the mounting is fastened to the mounting space and the corresponding portion of the main cover is formed in communication with the hole bottom surface of the main body of the light irradiation rate and the heat radiation efficiency is increasing is characterized in that to obtain a high efficiency and a high light amount.

Description

Street lamp using LED {Street lamp}

The present invention relates to a street lamp using an LED, and more particularly, the LED is mounted at a high density and symmetrically mounted with a high density integrated LED PCB while mounting a presren lens to increase the irradiation rate of light and increase their heat dissipation efficiency. The present invention relates to a street light using an LED to obtain a light amount.

In general, street lights are lighting facilities installed along the street for the safety and security of street traffic. Such street lights are installed on highways, main roads of commercial areas, commercial roads, and residential district roads. Accordingly provided in a suitable form.

Therefore, the conventional street light includes a strut which is erected to a predetermined height on the ground of the roadside, an arm connected laterally to the strut, and a light source electrically connected to the arm.

The conventional luminaire includes an upper case coupled to an arm to position a light source at a lower portion thereof, a socket installed at one side of the upper case to electrically connect the light source, and coupled to an inner surface of the upper case to radiate light emitted from the light source. It is a general form of a conventional luminaire consisting of a reflection shade reflecting to the ground, and a transparent cover coupled to the upper case to protect the light source and transmits light.

However, the above-described conventional luminaire is easy to scatter light because the light can be indirectly illuminated through the reflection shade, and the scattered light, the irradiation range is widened, but the illumination intensity is lowered, the light efficiency is lowered There is also a problem that the power consumption increases by using a light bulb as a light source.

Furthermore, since a light source such as a general light bulb requires high voltage and high current, there is a risk of electric shock due to a short circuit caused by moisture, which penetrates during the rainy season such as flooding, flooding, or rainy season. There was a problem in that the driver's attention can not be aroused during the night driving can not guarantee the safety of pedestrians and drivers.

The present invention has been made in order to solve the above problems, LED is formed with a high density integrated LED PC beveled symmetrically while mounting a Fresnel lens to expand the LED light irradiation range, and also formed of a heat sink and metal or aluminum The purpose of the LED to increase the heat dissipation efficiency.

In addition, the object of the present invention is to increase the amount of light while minimizing the loss of the LED light through the reflector, the Fresnel lens, the convex lens located below the LED PC.

In order to achieve the above object, in the street lamp using the LED to form a mounting space inside the front of the main body to fasten the heat sink support before, after or both sides, the heat sink is mounted between the heat sink support plate of the heat sink Fasten and fasten the LED PC and the convex lens with a plurality of LEDs provided at the bottom, and mount a gasket on the contact portion of the convex lens and the heat sink, and the convex lens protrudes on the bottom while the recess formed in the upper part surrounds the LED PC. The LED light can be scattered through the formed special lens, and an AC electric input unit and a DC electric output unit are installed while a switching device for converting AC into DC is formed by forming an insertion space adjacent to the mounting space of the main body. Insert the communication hole into the bottom surface of the main body corresponding to the mounting space It characterized in that the finishing treatment by fastening and mounting the formed body cover.

According to the present invention, the LEDs are formed to be symmetrically inclined to form a high density integrated LED PC, while mounting a Fresnel lens to widen the LED light irradiation range, and heat radiation efficiency through the heat sink and the LED PC formed of metal or aluminum It can increase the effect.

In addition, there is an effect that can increase the amount of light while minimizing the loss of the LED light through the reflector, the Fresnel lens, the convex lens located on the lower portion of the LED.

In addition, there is an effect that can prevent the explosion-proof and waterproofing of the street light through the gasket and the waterproofing molded between the heat sink and the lens.

Hereinafter, the configuration of the present invention with reference to the accompanying drawings, Figure 1 is a front view showing a street lamp using the LED according to the invention, Figure 2 is a side view showing a street lamp using the LED according to the invention, Figure 3 4 is a bottom view showing a street lamp using the LED according to the present invention, Figure 4 is a block diagram showing a street lamp using the LED according to the present invention, Figure 5 shows a heat dissipation cardboard zone constituting a street lamp using the LED according to the present invention. 6 and 7 are an assembly view and a bottom view showing the optical system constituting the street lamp using the LED according to the present invention, Figure 8 is a columnar body bracket and the finishing bracket constituting the street lamp using the LED according to the present invention 9 (a) and 9 (b) are waterproof molding parts constituting a street lamp using the LED according to the present invention. A view showing the.

Street light 10 using the LED of the present invention is a front and rear mounting space and the insertion space is formed in the main body 20, the heat sink support 30 is coupled before and after the mounting space constituting the main body 20 and And an insertion space constituting the heat dissipation plate 40 mounted between the heat dissipation plate support 30, the LED PC 50 mounted under the heat dissipation plate 40, the optical system 60, and the main body 20. In the switching device 70, the AC electrical input unit 72, the DC electrical output unit 74, the main body cover 80 mounted on the bottom of the main body 20, and the rear of the main body 80 Is mounted and consists of a bracket 90 for coupling the body 80 to the street lamp 100.

The main body 20, which is an outer case of the street lamp, is made of aluminum and metal, and the outer surface is powder coated, but the shape of the main body 20 is formed in a rectangular shape similar to the racket shape of the exercise equipment, and toward the rear. It is formed to narrow the diameter.

In addition, the main body 20 is recessed and formed in the front and rear mounting space 21 and the insertion space 22, respectively, a plurality of body fastening grooves 23 and columnar mounting grooves 24 are formed on the bottom and rear sides. do.

Before and after the mounting space 21 constituting the main body 20, the heat sink support 30 is bent a metal plate formed having a predetermined thickness to form a horizontal surface 31 and the vertical surface (32).

In addition, a plurality of support fastening holes 33 and 34 are formed in the horizontal plane 31 and the vertical plane 32, and the plurality of support fastening holes 34 are formed in a “V” shape formed in the vertical plane 32. Is formed.

The heat sink 40 mounted between the heat sink supports 30 serves to release and remove heat generated from the LEDs 50 and the LEDs.

In the present invention, the heat dissipation plate 40 has a fixing portion 41 formed in a “V” shape corresponding to the support fastening hole 34 of the heat dissipating plate support member 30, and the upper portion of the fixing portion 41 is fixed. Heat dissipation blade 42 having a height is formed at a predetermined interval.

In addition, the heat dissipation plate 40 has a plurality of heat dissipation plate fastening holes 43 are formed in the upper portion of the fixing portion 41 to be fixed to the support fastening hole 34 through the fastener, and the optical system 60 at the bottom. A plurality of heat sink fastening grooves 44 are formed so that the parts can be fixed.

The LED PC 50 mounted on the lower portion of the heat sink 40 is mounted in a “V” shape so as to correspond to the shape of the fixing part 41 of the heat sink 40, and a plurality of LEDs are mounted on the body 51. 52 is mounted, and a plurality of PCB fastening holes (not shown) are formed in the middle so as to be fixed to the heat sink 40 through fasteners.

The optical system 60 mounted on the lower portion of the heat sink 40 is a convex lens 60a coupled to the lower portion of the heat sink 40 through fasteners, and is mounted on the lower portion of the heat sink 40 and the LED PC 50. ) And a Fresnel lens 60c attached to the insertion portion of the convex lens 60a.

The convex lens 60a coupled to the lower portion of the heat sink 40 through the fastener is formed with a special lens 61a protruding on the bottom thereof, and an insertion portion 62a is recessed on the upper portion of the heat sink 40. The upper end and the inserting portion 62a are formed in a “V” shape to correspond to the shape of the fixing portion 41 of the heat sink 40.

In addition, a stepped portion 63a is formed in the middle of the insertion portion 62a to prevent the support and flow of the Fresnel lens 60c mounted therein, and the convex lens 60a is formed on the heat sink 40 around the edge. The lens insertion hole 64a is formed to be fixed.

The reflector 60b surrounding the LEDs 50 mounted to the lower portion of the heat sink 40 is made of aluminum, and the shape thereof corresponds to the shape of the fixing portion 41 of the heat sink 40 while the upper portion thereof is opened. It is formed into a V "shape.

In addition, the reflector 60b has an insertion hole 61a formed at a position corresponding to the LED 52 mounted on the LED PC 50 so that the LED 52 of the LED PC 50 is inserted and mounted.

The Fresnel lens 60c mounted on the bottom of the insertion part of the convex lens 60a has a predetermined thickness and is mounted in a “V” shape so as to correspond to the shape of the fixing part 41 of the heat sink 40. LED 52 serves to prevent the glare of light and to uniformize the distribution of light.

That is, the horizontal Fresnel lens 60c formed to have a predetermined thickness is mounted obliquely on the stepped portion 63a of the insertion portion 62a.

The switching device 70 mounted in the insertion space 22 constituting the main body 20 is a device for converting an AC power source into a DC power source, and the insertion space 22 has an alternating current in addition to the switching device 70. An input unit 72 and a direct current electric output unit 74 are inserted and mounted.

The body cover 80 mounted on the bottom surface of the main body 20 is formed similarly to the racket shape of the exercise device like the main body 20, and corresponds to the mounting space 21 and the main body fastening groove 23. The communication hole 81 and the cover fastening groove 82 is formed at the position. At this time, the communication hole 81 is to serve as a vent of air.

The bracket 90 mounted to the rear of the main body 80 and coupling the main body 80 to the street lamp column 100 is mounted to the column mounting body bracket 92 and the column mounting body bracket 92. Consisting of the finishing bracket 94 is fixed through.

In addition, bracket fastening grooves 92a and 94a are formed in the center portions of the columnar main body bracket 92 and the finish bracket 94 so as to support the lamp post 100, and both side mounting bolts 96 are formed. Bracket mounting holes (92b, 94b) for insertion fastening of the) are formed respectively.

Here, the columnar body bracket 92 is fixedly mounted in the columnar mounting groove 24 formed at the rear end of the main body 20, the finish bracket 94 is a bracket of the columnar body bracket 92 In the state in which the fastening groove 92a is located in the street lamp column 100, the fastening grooves 92a of the finishing bracket 94 are coupled to each other, and then, the fastening grooves 92a may be fixedly fastened through the mounting bolts 96.

Referring to the accompanying drawings, an embodiment of a street lamp 10 using the LED configured as described above, Figure 10 is a side view showing a state of use of the street lamp using the LED according to the present invention.

First, the mounting space 21 and the insertion space 22 are formed at the front and rear, respectively, and the main body 20 having a plurality of body fastening grooves 23 and columnar mounting grooves 24 formed on the bottom and rear sides thereof. Form.

A plurality of support fastening holes 34 are formed on the vertical surface 32 while bending the metal plate having a predetermined thickness before and after the mounting space 21 of the main body 20 to form the horizontal surface 31 and the vertical surface 32. Is fixed to the heat sink supporter 30 formed in the "V" shape using a fastener.

Next, the heat dissipation plate 40 in which the heat dissipation blade 42 having a predetermined height is formed at a predetermined interval between the fixing part 41 and the upper part of the fixing part 41 in a “V” shape between the heat sink supporters 30. After fixing the fastener using fasteners, the LEDs 50 mounted with the plurality of LEDs 52 on the lower part of the heat sink 40 are mounted in a “V” shape so as to correspond to the shape of the heat sink 40. .

In this case, the LED PC 50 is formed of a metal in order to increase the thermal conductivity of the LED PC 50 to prevent the life of the plurality of LED 52 is shortened by heat.

Next, the reflector 60b surrounding the LED PC 50 mounted on the lower portion of the heat sink 40 is mounted, but the reflector 60b is positioned corresponding to the LED 52 mounted on the LED PC 50. An insertion groove 61a is formed in the LED 52 so as to be inserted and mounted.

At this time, the reflector 60b is formed of an aluminum material to surround the LED PC 50, which prevents leakage of the light reflected from the LED 52 to the place where it is not necessary, while reflecting light through the characteristics of the aluminum material. To increase it.

Next, a special lens 61a is protruded to the bottom of the heat sink 40 and a convex lens 60a formed by recessing the insertion portion 62a is coupled to the upper portion of the heat sink 40, but the upper portion of the convex lens 60a is coupled thereto. The end portion and the inserting portion 62a are formed in a “V” shape so as to correspond to the shape of the fixing portion 41 of the heat sink 40.

At this time, the gasket 60d is attached to the contact portion between the heat sink 40 and the convex lens 60a to perform a waterproof and explosion-proof role in which water and air cannot be inserted into the insertion portion 62a of the convex lens 60a. Will be done.

In addition, the insertion portion 62a of the convex lens 60a is equipped with a Fresnel lens 60c formed in a “V” shape corresponding to the shape of the fixing portion 41 of the heat dissipation plate 40. The Znnel lens 60c serves to prevent glare and to cause light refraction and diffuse reflection to uniformize light distributed in the plurality of LEDs 52.

Next, a switching device 70 for converting AC power into DC power in the insertion space 22 constituting the main body 20, and an AC electrical input unit 72 for supplying AC power to the LED PC 50. ), And inserts a direct current electric output unit 74 for discharging power transmitted from the switching device 70.

In this case, the AC electrical input unit 72 and the DC electrical output unit 74 are respectively equipped with the waterproof molding rubber (72a, 74a) of Figure 9 to perform the role of waterproof and explosion-proof.

Next, after fixing the column mounting body bracket 92 to the column mounting groove 24 of the main body 20, the bracket fastening groove 92a of the column mounting body bracket 92 is positioned on the street lamp column 100. After fixing the bracket fastening groove (94a) of the finishing bracket 94 in the state and is fixed to the mounting bolt (96).

Finally, when the main body cover 80 having the communication hole 81 and the cover fastening groove 82 formed at a position corresponding to the mounting space 21 and the main body fastening groove 23 is mounted on the bottom of the main body 20. Assembly of the street light 10 using the LED is completed.

When the power is supplied to the LED PC 50 constituting the street lamp 10 using the LED in the above state, the plurality of LEDs 52 mounted on the LED PC 50 will emit light.

In this case, the light emitted from the plurality of LEDs 52 minimizes the amount of light lost through the reflector 60b formed of aluminum, and the convex lens 60a is recessed in the upper portion of the insertion part 2a. Applying the special lens 61a protruding to the bottom while covering the PC 50, the light is scattered so as to eliminate the shadow, which is the characteristic of the single LED 52, and secondly, the convex lens 61a is applied to the light. Gathering will increase efficiency.

Next, the light moved to the inserting part 62a moves through the Fresnel lens 60c to prevent the glare of the plurality of LED lights, to cause the refraction and diffuse reflection of the light, and to uniformly distribute the light, thereby moving the convex lens 60a. Will be investigated below.

That is, the Fresnel lens 60c irradiates downwards by uniformly distributing the light generated from the LED 52 while preventing glare of the LED light, and the convex lens 60a received the convex lens 60a is a curved special lens. Through 61a, the light is uniformly directed downward.

In the above description with reference to the accompanying drawings, the present invention has been described with reference to a specific shape and direction of the LED using the present invention, the present invention can be variously modified and changed by those skilled in the art, such variations and modifications are the scope of the present invention Should be interpreted as being included in.

1 is a front view showing a street lamp using the LED according to the present invention.

Figure 2 is a side view showing a street lamp using the LED according to the present invention.

Figure 3 is a bottom view showing a street lamp using the LED according to the present invention.

Figure 4 is a block diagram showing a street lamp using the LED according to the present invention.

Figure 5 is a perspective view showing a heat sink support constituting a street lamp using the LED according to the present invention.

6 and 7 are assembled and bottom view showing the optical system constituting the street lamp using the LED according to the present invention.

Figure 8 is a front view showing a fastening state of the main body attached bracket and the end bracket constituting the street lamp using the LED according to the present invention.

9 (a) and 9 (b) is a view showing a waterproof molding part constituting a street lamp using the LED according to the present invention.

10 is a side view showing a state of use of the street lamp using the LED according to the present invention.

※ Explanation of symbols for main part of drawing.

10: street light using LED, 20: main body,

21: mounting space, 22: insertion space,

30: heat sink support, 31: horizontal plane,

32: vertical surface, 40: heat sink,

41: fixed part, 42: heat dissipation wing,

50: LED PC 51, 51: inclined surface,

52: LED, 60: optical system,

60a: convex lens, 60b: reflector,

60c: Fresnel lens, 70: switching device,

80: main body cover, 90: bracket,

92: bracket attached to the column, 94: finishing bracket,

100: street lamp light.

Claims

In the street light using the LED,

The mounting space 21 is formed inside the front of the main body 20 to fasten and fix the heat sink supporter 30 to the front, rear, or both sides thereof.

The heat sink 40 is mounted between the heat sink supporters 30 to fasten and fasten the LED PC 50 and the convex lens 60a provided with a plurality of LEDs 52 under the heat sink 40.

The gasket 60d is mounted on the contact portion of the convex lens 60a and the heat sink 40, and the convex lens 60a has a recess 62 formed at the top of the convex lens 60a to surround the LED PC 50. Through the special lens 61a protruding, the LED 52 can scatter light.

The alternating current input unit 72 and the direct current electric output unit (70) are mounted on the rear of the main body 20 and adjacent to the mounting space 21, while the insertion device 22 is formed to switch the alternating current to the direct current. 74),

The lower surface of the main body 20, the street lamp using the LED, characterized in that the finishing treatment by fastening and mounting the main body cover 80 formed with a communication hole 81 in a position corresponding to the mounting space (21).

The method of claim 1,

Reflector 60b mounted on the lower portion of the heat sink 40 to surround the LED PC 50 while covering the LED PC 50 and corresponding to the plurality of LEDs 52 mounted on the LED PC 50. Street lamp using the LED, characterized in that the insertion hole (61b) is formed at the position.

The method of claim 1,

A Fresnel lens (60c) is mounted on the insertion portion (62) of the convex lens (60a).

The method of claim 1,

The heat sink 40 and the insertion portion 62a of the convex lens 60a are formed in a “V” shape, and the component mounted on the insertion portion 62a of the convex lens 60a is in a “V” shape. Street light using the LED, characterized in that the mounting.

The method of claim 1,

The back mounting body bracket (92) having the bracket fastening groove (92a) is fixedly mounted to the rear end of the main body (20), and the bracket fastening groove (94a) is provided at the bottom of the head mounting bracket (92). Finishing bracket 94 is configured to be coupled through the mounting bolt 96 to the street lamp using the LED, characterized in that the main body 20 to be fixedly coupled to the lamp column 100 of the street lamp.