KR200236553Y1 - Protection Against Heat Structure Of Lighting Equipment - Google Patents

Abstract

The present invention relates to a heat dissipation structure of a luminaire, and includes a top housing 20 having a substrate 30 embedded therein, and a luminaire 2 including a lower housing 40 into which a bulb 50 is inserted and fixed. In the upper housing 20, a plurality of heat dissipation holes 60 formed along the outer periphery of the upper housing 20 is formed, and the heat dissipation member 70 is provided between the substrate 30 and the bulb 50. Thus, the high heat generated from the bulb 50 by the heat dissipation member 70 is minimized to be conducted on the substrate 30, and the heat generated on the substrate 30 and generated in the luminaire 2 By dissipating heat to the outside of the lighting fixture 2 through the heat radiating hole 60 to prevent damage and breakage of the substrate 30.

Description

Protection Against Heat Structure Of Lighting Equipment

The present invention relates to a heat dissipation structure of a luminaire, and more particularly, to block heat generated from the luminaire to minimize heat conduction directly on the substrate, and to radiate and damage the substrate by radiating heat outside the luminaire. It relates to a heat dissipation structure of a lighting fixture to prevent the.

In general, the luminaire is roughly divided into an upper housing 20, a substrate 30, a lower housing 40, a bulb 50, and a reflection shade (not shown), as shown in FIGS. Is done.

The upper housing 20 is formed in a substantially funnel shape, the upper portion is provided with a socket portion 10 through which electricity is supplied.

In addition, the lower end of the inner circumferential surface of the upper housing 20 is formed with a smoothly projecting locking jaw 22, the locking piece 24 protruding to the end of the upper housing 20 on one side of the inner surface of the upper housing 20. Is formed, a plurality of support pieces 26 are formed on the inner surface of the upper housing 20 spaced apart from the locking piece 24 protruding to a shorter length than the locking piece 24.

In addition, the inside of the upper housing 20 is provided with a substrate 30, the outer periphery of the substrate 30, a plurality of cut holes 32, guide holes 34, withdrawal holes ( 36) are formed respectively.

The fixing hole 32 of the substrate 30 is inserted into the insertion piece 48 of the lower housing 40, which will be described later, and the position of the substrate 30 is fixed, and the guide hole 34 is the upper housing ( The engaging piece 24 of the 20 is to be inserted into the coupling hole 44 of the lower housing 40, the drawing hole 36 is provided with a plurality of elements on one surface of the substrate 30 In addition, some of the elements are connected to the socket part 10 provided in the upper housing 20, and the other elements are connected to the bulb 50 described later through the drawing hole 36 of the substrate 30.

In addition, a lower housing 40 having an upper surface thereof opened at the lower portion of the upper housing 20, and a plurality of inserts penetrated to be inserted into and fixed to the lower portion of the lower housing 40. A ball 46 is formed.

On the other hand, the outer periphery of the lower housing 40, the locking jaw 42 is elastically inserted into the locking jaw 22 of the upper housing 20 is projected gently formed.

In addition, the coupling hole 44 corresponding to the locking piece 24 of the upper housing 20 is cut and formed at one side of the lower housing 40, and the substrate 30 is fixed to the outer peripheral end thereof. An insertion piece 48 is inserted into the hole 32 to fix the substrate 30 to protrude.

The conventional lighting fixture 2 made as described above is fixed by inserting each bulb 50 in the insertion hole 46 of the lower housing 40.

Subsequently, the element on the substrate 30 is connected to the socket portion 10 provided in the upper housing 20 as an electric wire to conduct electricity, and a part of the electric wire is lowered through the outlet hole 36 of the substrate 30. The bulb 50 of the housing 40 is connected.

Then, the substrate 30 is provided on the outer circumferential edge of the lower housing 40, in which case the fixing hole on the substrate 30 is inserted into the insertion piece 48 of the outer circumferential end of the lower housing 40. When the 32 is matched and inserted, the substrate 30 is provided in a position fixed to the upper end of the lower housing 40.

Thereafter, when the engaging piece 24 of the upper housing 20 is coupled to match the coupling hole 44 of the lower housing 40, the lower housing 40 is inserted into the upper housing 20 and lowered. The locking jaw 42 of the housing 40 is fixed while being elastically locked to the locking jaw 22 of the upper housing 20.

At this time, the support piece 26 of the upper housing 20 is fixed to the end portion thereof is pressed onto the substrate 30 so that the substrate 30 does not flow on the lower housing 40.

However, the conventional luminaire 2 made as described above has a structure in which the substrate 30 and the bulb 50 are in close contact with each other, and high heat generated from the bulb 50 after being turned on is directly conducted on the substrate 30. The substrate 30 is deteriorated due to burning of the elements of the electronic circuit due to the high heat conducted from the bulb 50 and the overheating caused by heat generated therein, and the substrate 30 is lowered only through the outer periphery thereof. The central portion of the substrate 30, which is supported on the housing 40 and does not have a support structure, has a problem in that warpage occurs due to overheating of the luminaire 2, thereby shortening the life of the luminaire 2.

Accordingly, the present invention has been devised to solve the problems of the prior art as described above, minimizes the high heat generated from the bulb is conducted on the substrate, and can easily dissipate heat generated on the substrate to the outside of the luminaire. It is to provide a heat dissipation structure of the luminaire to prevent damage and breakage of the substrate to prevent degradation of the function of the substrate and shorten the life of the luminaire.

1 is an exploded perspective view showing a conventional lighting fixture

Figure 2 is a cross-sectional view showing a conventional lighting fixture

Figure 3 is an exploded perspective view showing a lighting fixture according to the present invention

Figure 4 is a plan view showing the upper housing of the luminaire according to the present invention

5 is a plan view of the heat dissipation member according to the present invention coupled to the lower housing

6 is a cross-sectional view showing a lighting fixture according to the present invention

<Description of the symbols for the main parts of the drawings>

2: lighting fixture 10: socket portion

20: upper housing 22: locking jaw

24: engaging piece 26: support piece

30: substrate 32: fixing hole

34: guide 36: withdrawal

40: lower housing 42: locking jaw

44: coupling hole 46: insertion hole

48: insertion piece 50: bulb

60: heat sink 70: heat radiation member

72: support protrusion 74: guide hole

76: drawing hole 80: fixed piece

82: seating

The present invention for achieving the above object forms a plurality of heat dissipation holes perforated along the outer periphery of the upper housing, characterized in that provided with a heat dissipation member between the substrate and the bulb, by the heat dissipation member Minimize conduction of high heat generated from the bulb onto the board, and prevent heat and damage caused by bending of the board by dissipating heat generated on the board and heat generated in the luminaire to the outside of the luminaire through the heat radiating hole. This is to prevent the functional degradation of the substrate and shortening the life of the luminaire.

Hereinafter, described in detail with reference to the accompanying drawings a preferred embodiment of the present invention.

Prior to describing the present invention, the same reference numerals are given to the same parts as in the prior art, and repeated descriptions thereof will be omitted, and only different points will be described.

3 is an exploded perspective view showing a lighting device according to the present invention, Figure 4 is a plan view showing an upper housing of the lighting device according to the present invention, Figure 5 is a heat dissipation member according to the present invention in the lower housing 6 is a combined plan view, and FIG. 6 is a cross-sectional view illustrating a lighting device according to the present invention.

As shown, the lighting fixture 2 according to the present invention has a heat dissipation structure that can easily dissipate heat generated from the bulb 50 and the substrate 30 to the outside.

The heat dissipation structure is largely made of a heat dissipation member 70 and a heat dissipation hole 60, which will be described in more detail. In the lower housing 40, the heat dissipation generated from the bulb 50 is blocked. It is provided with a heat dissipation member 70 is built in to minimize the heat conducted to (30).

On the other hand, the inner peripheral surface of the lower housing 40 in which the heat dissipation member 70 is built, the fixing piece 80 and a plurality of seating pieces 82 are protruded, respectively, the seating piece 82 is fixed It is formed with a length shorter than the piece (80).

In addition, the guide hole 74 and the plurality of drawing holes 76 are cut out on the outer periphery of the heat dissipation member 70 corresponding to the fixing piece 80 and the seating piece 82 of the lower housing 40. The formed guide hole 74 of the heat dissipation member 70 is inserted into the fixing piece 80 of the lower housing 40 to fix the heat dissipation member 70 in the lower housing 40. The lead hole 76 is to allow the electric wire on the substrate 30 to pass through and to be connected to the bulb 50.

In addition, a plurality of support protrusions 72 protruding are formed on one surface, that is, the upper surface of the heat dissipation member 70, which minimizes the contact area with the substrate 30 embedded in the upper housing 20. It is to minimize the fall.

On the other hand, the upper portion of the upper housing 20, that is, one side with the socket portion 10 is provided with a plurality of perforations along the outer periphery of the upper housing 20 to dissipate heat generated in the lighting fixture (2) The heat dissipation hole 60 is formed.

The heat dissipation structure of the lighting device 2 according to the present invention made as described above, first, and fixed by inserting the bulb 50 into the insertion hole 46 of the lower housing 40, respectively, the socket portion of the upper housing 20 The lower housing 40 is connected to the element 10 on the substrate 30 as an electric wire, and a part of the electric wire is connected through the outlet hole 36 of the substrate 30 and the outlet hole 76 of the heat dissipation member 70. Is connected to the bulb 50.

Then, when the guide hole 74 of the heat dissipation member 70 is inserted into the lower housing 40 while being inserted into the fixing piece 80 of the lower housing 40, one side thereof is on each seating piece 82. It is seated on and is in a fixed position.

At this time, the support protrusion 72 of the heat dissipation member 70 is located in the upper surface is embedded in the lower housing (40).

In addition, as described above, the substrate 30 is provided on the outer circumference of the lower housing 40 in which the heat dissipation member 70 is built, and thus the fixing hole 32 on the substrate 30 is disposed in the lower housing 40. When inserted in accordance with the insertion piece 48 of the, the substrate 30 is fixed on the lower housing 40 and is supported by the support projection 72 of the heat dissipation member 70 with a minimum contact area. .

Thereafter, when the engaging piece 24 of the upper housing 20 is coupled to match the coupling hole 44 of the lower housing 40, the lower housing 40 is inserted into the upper housing 20 and lowered. The locking jaw 42 of the housing 40 is fixed while being elastically locked to the locking jaw 22 of the upper housing 20.

At this time, the support piece 26 of the upper housing 20 is fixed to the end portion thereof is pressed onto the substrate 30 so that the substrate 30 does not flow on the lower housing 40.

Therefore, in the above-described lighting fixture 2, high heat generated from the bulb 50 is minimized by the heat dissipation member 70 to the substrate 30 side, and a part of the heat that is conducted is generated on the substrate 30. The heat is radiated to the outside through the heat dissipation hole 60 of the upper housing 20 as in the heat.

The outer periphery of the substrate 30 is supported and fixed by the insertion piece 48 of the lower housing 40 and the support piece 26 of the upper housing 20, and the center portion of the substrate 30 is fixed. Is supported by the support protrusion 72 of the heat dissipation member 70 to prevent bending of the substrate 30, and minimizes the contact area between the substrate 30 and the heat dissipation member 70 by the support protrusion 72. In addition, a predetermined space is formed therebetween to minimize conduction of heat.

As described above, the heat dissipation structure of the luminaire according to the present invention minimizes the high heat generated from the bulb by the heat dissipation member onto the substrate, and prevents heat generated on the substrate and heat generated in the luminaire. By radiating heat to the outside of the lighting fixture through the hot hole to prevent damage and damage caused by the bending of the substrate to prevent the degradation of the function of the substrate and shortening the life of the lighting fixture.

Claims (2)

In the lighting device (2) consisting of the upper housing 20, the substrate 30 is provided with a built-in, and the lower housing 40 to which the bulb 50 is inserted and fixed, A fixing piece (80) and a seating piece (82) formed on the inner circumferential surface of the lower housing (40); The heat dissipation member 70 which is fixed by the fixing piece 80 and is mounted on the seating piece 82 to block high heat generated from the bulb 50 from being conducted onto the substrate 30. Wow; A heat dissipation structure of a luminaire, characterized in that a plurality of heat dissipation holes (60) formed therethrough. The heat dissipation holes (60) are formed on the upper housing (20) to dissipate heat generated in the luminaire (2). The method of claim 1, The heat dissipation structure of the luminaire, characterized in that a plurality of support protrusions (72) protruded. The one surface of the heat dissipation member (70) to minimize the contact area with the substrate (30) to minimize the conduction of heat.