TWI412699B - Led lamp - Google Patents

Abstract

An LED lamp comprises a lampstand and at least one light-source module. The lampstand includes a lampstand body. The lampstand body includes tube portions extend laterally and are aligned with one another. The light-source module includes at least one LED light-component. The light-source module is disposed on the tube portions. By using the structure of the tube portions of the lampstand body, the lampstand body can provide a heat dissipation function to save extra expense of using a fin-type heat sink.

Description

LED light fixture

The present invention relates to a luminaire, and more particularly to an LED luminaire using an LED as a illuminating element.

Light-emitting diodes have become the first choice for a new generation of light-emitting components in recent years due to their high luminous efficiency, long life, low power consumption, etc. In addition to lighting devices or backlight modules for displays, etc. Setting up a wide range of street lamps that are in great demand, and gradually replacing traditional bulbs with light-emitting diodes.

Although the light-emitting diode has many advantages as described above, since the light-emitting diode has high luminous efficiency, the problem of heat dissipation is also an urgent problem to be solved, such as the LED street lamp assembly structure disclosed in Taiwan New Certificate No. 368014. In order to solve the heat dissipation problem of the light-emitting diode, in addition to providing a fixed lamp holder for the optical element module, a heat dissipation fin structure is further provided to solve the heat dissipation problem of the light source module.

It is an object of the present invention to provide a lamp that utilizes the structure of the lamp holder itself as a heat dissipation structure, thereby saving the cost of additionally providing a heat dissipation fin structure.

The LED lamp of the present invention comprises a lamp holder and a light source module, the lamp holder comprises a lamp holder body, and the lamp holder body comprises a plurality of tube portions extending laterally and side by side, each tube portion defining an inner space of the tube, The light source module has at least one LED light-emitting element, and the light source module can be disposed on the side-by-side tube portions.

The tubes can be assembled in one piece (such as aluminum extrusion) or as separate tubes.

The utility model has the advantages that the tube structure design of the lamp holder body side by side is arranged, and the light source module can be arranged and fixed, and at the same time, the heat dissipation effect can be provided, thereby saving the cost of additionally adding the heat dissipation fin structure.

The above and other technical contents, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments of the invention.

Referring to FIG. 1 and FIG. 2, a first preferred embodiment of the LED lamp 100 of the present invention comprises a lamp holder 101 and a plurality of light source modules 4 fixed to the lamp holder 101.

Referring to FIG. 1 and FIG. 3, the lamp holder 101 includes a lamp holder body 1, two end shells 21 and 22, and a top case 3. The lamp holder body 1 includes a connecting plate 11 and a plurality of tube portions 12, and the connecting plate 11 is sectioned. An open hollow cylinder having an elongated strip structure and having a bottom plate portion 111 and two side plate portions 112 extending upward from each other by the bottom plate portion 111, in a longitudinal section of the bottom plate portion 111 (Fig. 3), the connected bottom plate portion 111 and the side plate portions 112 have an arc-shaped structure with an opening upward.

The tube portions 12 are respectively connected to the outside of the two side plate portions 112 of the connecting plate 11 in the horizontal direction. In the present embodiment, the lamp holder body 1 is of an aluminum extruded structure, and therefore, the connecting plate 11 and the tube portions are connected. 12 is integrally connected to each other. Each tube portion 12 extends laterally and defines an inner tube space 121, and each tube portion 12 has a bottom tube wall 124 and a top tube wall 122 spaced apart from each other. The bottom tube walls 124 of the tube portions 12 side by side on the same side of the web 11 are joined to each other to define a coplanar bottom surface 120. The downwardly facing bottom surface 120 is provided for one of the light source modules 4.

In short, in order to save the cost of additionally providing a heat sink fin structure, the present invention makes full use of the structure of the lamp socket itself (especially the tube portions 12) as a heat dissipation structure. The inner portion of the tube portion 12 defines a hollow inner space 121, and the light source module 4 is disposed on the bottom surface 120 of the tube portion 12, except that the heat of the material of the tubes 12 is transferred to the top tube wall 122. Therefore, when the heat generated by the light source module 4 is conducted to the bottom surface 120 of the tube portions 12, the heat will heat the air in the inner space 121 of the tube, but away from the inner space 121 of the light source module 4. The air or the air at both ends of the tube portions 12 is not heated, thereby forming a heat convection effect inside the tube inner space 121, and the heat generated by the light source module 4 is taken away by the convection effect without the fins. Under, to achieve considerable heat dissipation purposes.

In addition, since the tube portions 12 are formed by aluminum extrusion processing, each of the tube portions 12 has a slit 123 extending in the longitudinal direction and communicating with the tube inner space 121, in this embodiment, Except that the slots 123 of the tube portions 12 located on the outermost sides of the connecting plates 11 are formed on the same side of the bottom tube wall 124, the remaining slots 123 are formed on the same side of the top tube wall 122, thus The structure in which each of the tube portions 12 other than the outermost side is located above the bottom tube wall 124 is substantially inverted L-shaped, of course. The tube portions 12 may not form the aforementioned slits 123.

In the present embodiment, the tube portions 12 are juxtaposed on the same side of the connecting plate 11 The lower the height of the top tube wall 122 of the tube portion 12 away from the connecting plate 11, the lower the length of the tube portion 12 in the longitudinal direction, the same position on the same side of the connecting plate 11 The top tube wall 122 of the equal tube portion 12 is a slope that is gradually lowered from the height of the web 11 .

The two end shells 21, 22 are respectively a hollow shell-like structure which is laterally recessed. One of the end shells 21 includes a side wall 211 and a surrounding wall 212 extending laterally from the edge of the side wall 211. The side wall 211 and the surrounding wall 212 A further recessed space 213 is defined. The other end shell 22 includes a side wall 221 and a surrounding wall 222 extending laterally from the edge of the side wall 221. The side wall 221 and the surrounding wall 222 define a recessed space 223. The opposite end portions 21 and 22 are respectively sleeved at opposite ends of the socket body 1 so that the opposite ends of the socket body 1 respectively extend into the recessed spaces 213 and 223 of the end shells 21 and 22, respectively. Each end of the socket body 1 is defined as an end of the tube portion 12 and the connecting plate 11 in the same direction. The end shells 21 and 22 can be sleeved and fixed to the socket body 1 by tight fitting. The opposite ends, and in other variations, the arrangement of the two end shells 21, 22 can also be omitted.

The top case 3 is coupled to the lamp holder body 1 and covered by the connection plate 11 so that a light bar 103 can be transversely disposed in the space between the top case 3 and the connection plate 11 . Thereby, the lamp holder 101 is mounted and coupled to the top end of the lamp post 103 (the state thereof is as shown in FIG. 2), and in addition, the space between the top case 3 and the connecting plate 11 is also accommodated for the light source mode. Group 4 electrically connected electronic components (such as drive circuits, etc.).

Each of the light source modules 4 includes a substrate 41 and a plurality of LED light-emitting elements 42 disposed on the bottom surface of the substrate 41. The substrate 41 can be covered with a copper foil circuit. The aluminum substrate, the LED light-emitting element 42 is a light-emitting die, and the light source modules 4 are respectively attached to the bottom surface defined by the tube portions 12 of the lamp holder body 1 on both sides of the connecting plate 11 by the substrate 41 thereof. 120 and the LED light-emitting elements 42 face downward, whereby the light emitted by the LED light-emitting elements 42 can be projected downward.

Since the bottom wall 124 of the tube portion 12 on the same side of the connecting plate 11 is connected, when the light source module 4 operates to generate thermal energy, thermal energy can be conducted upward through the bottom tube wall 124 connected to the tube portion 12 to the top tube. The wall 122 is also dissipated, so that the inverted L-shaped structure of the tube portion 12 above the bottom tube wall 124 forms a structure similar to the heat dissipating fins and functions to dissipate heat, and in addition, the structural design of the tube portions 12 is utilized. The tube wall can also increase the contact area with the outside air, thereby improving the heat dissipation effect of the entire socket body 1, so that the lamp holder body 1 can be fully fixed in addition to the light source module 4, and the structure itself can fully utilize the heat dissipation effect. .

The lamp holder 101 of the present embodiment may further include a plurality of rubber strips (not shown) which are respectively packed in the slots 123 to close the slots 123 to prevent rain or dirt and dust from falling into the tube portion 12. In the inner space 121. The strip can be made of a material with thermal conductivity.

Referring to FIG. 4, a second preferred embodiment of the present invention is different from the first preferred embodiment in that the tube portions 12' of the socket body 1' are formed by side-by-side independent tubes, respectively. The tube portions 12' are all round tubes of the same diameter or different diameters. When the tube portions 12' are all different diameter pipe tubes, the tube portions 12' located on both sides of the connecting plate 11' are gradually smaller (or gradually larger) in a direction away from the connecting plate 11', and the lamps The seat 101' further includes two carrier plates 125 in the form of a thin plate (for example The aluminum plate), the side-by-side tube portions 12' are disposed on the top surface of the carrier plate 125, and the substrate 41 of the light source module 4 is attached to the bottom surface of the carrier plate 125. Since the tube portions 12' are all independent tubular members, the tube portions 12' are arranged side by side in addition to being sleeved by the end shells 21' (only one of the end shells 21' are shown in FIG. 4). The adhesives (for example, the thermal conductive adhesive) between the portions 12' are connected side by side or by a snapping and snapping structure additionally disposed between the tube portions 12'.

In addition, in order to achieve a better heat dissipation effect, the recessed space between the outer wall faces of the two adjacent tube portions 12' may also be filled with a heat conductive material 126 such as a thermal conductive adhesive.

Referring to FIG. 5, there is still another variation of the socket body 1' of FIG. 4, wherein the difference from FIG. 4 is that the tube portions 12" of the socket body 1" are of the same diameter or different diameters. The rectangular tubes, which are similar to the light source module 4, are respectively located on the two side plates of the carrier plate 125, and the tube portions 12" located on both sides of the connecting plate 11" are away from the connecting plate 11" The direction of the pipe diameter is gradually smaller (or gradually larger), so that the pipe portions 12" of the pipe portions 12" located on the same side of the connecting plate 11" are arranged side by side in a stepped manner with a lower height in the direction away from the connecting plate 11. .

In the aspect of FIG. 5, since the tube portions 12" are rectangular tubes, the light source module 4 located on each side of the connecting plate 11" may also be directly disposed at the bottom tube of the tube portions 12" The bottom surface of the wall 124" is spliced to define a flat bottom surface, and the arrangement of the carrier plate 125 is omitted.

The tube portions 12" can be positioned side by side in addition to the end sleeves 21" (only one of the end shells 21 are shown in FIG. 5). The coating adhesives (for example, the thermal conductive adhesives) are connected side by side or by carding and snapping structures additionally disposed between the tube portions 12".

In summary, the present invention adopts the structural design of the tube portions 12, 12', 12" of the lamp holder body 1, 1', 1" side by side, in addition to being able to be fixed by the light source module 4, The wall of the tube portions 12, 12', 12" exerts a heat dissipating effect, thereby saving the cost of additionally adding a fin structure, and thus the object of the present invention can be achieved.

In addition, the lamp holder body 1, 1', 1" is an aluminum-integrated molding form of FIG. 1 to FIG. 3 or FIG. 4 and FIG. 5 are independent pieces, which are only required to be combined with The assembly of the top case 3 and the end cases 21, 22, 21', 21" can be completed, and therefore, it is relatively easy to manufacture.

The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent.

100‧‧‧LED lamps

101‧‧‧ lamp holder

101’‧‧‧ lamp holder

103‧‧‧light pole

1‧‧‧ lamp holder body

1', 1"‧‧‧ lamp holder body

11‧‧‧Connecting board

11’, 11”‧‧‧Connecting plate

111‧‧‧Bottom plate

112‧‧‧Side plate department

12‧‧‧ Department of Tubes

12’, 12” ‧ ‧ Department

120‧‧‧ bottom

121‧‧‧Intra-tube space

122‧‧‧Top wall

122"‧‧‧Top wall

123‧‧‧ slotting

124‧‧‧Bottom wall

124”‧‧‧Bottom wall

125‧‧‧ carrying board

126‧‧‧thermal materials

21, 22‧‧‧ end shell

21’, 21”‧‧‧ end shell

211‧‧‧ side wall

212‧‧‧ Around the wall

213‧‧‧ recessed space

221‧‧‧ side wall

222‧‧‧ Around the wall

223‧‧‧ recessed space

3‧‧‧ top shell

4‧‧‧Light source module

41‧‧‧Substrate

42‧‧‧LED light-emitting components

1 is an exploded view of a preferred embodiment of the LED lamp of the present invention; FIG. 2 is a combined view of the preferred embodiment; FIG. 3 is a longitudinal cross-sectional view of the preferred embodiment; A longitudinal sectional view of a preferred embodiment; and Fig. 5 is a longitudinal cross-sectional view of still another variation of the socket body of Fig. 4.

100. . . LED light fixture

101. . . Lamp holder

103. . . Light pole

1. . . Lamp holder body

11. . . Connection plate

12. . . Tube department

21, 22. . . End shell

211. . . Side wall

212. . . Around the wall

213. . . Sag space

221. . . Side wall

222. . . Around the wall

223. . . Sag space

3. . . Top case

4. . . Light source module

Claims (6)

An LED lamp comprising: a lamp holder, comprising a lamp holder body, comprising a plurality of tube portions extending laterally and side by side, each tube portion defining an inner space of the tube, and each extending to form an extension direction and communicating with the The inner space of the pipe is slotted, and has a bottom pipe wall and a structure located above the bottom pipe wall and having an inverted L shape, and a plurality of rubber strips respectively packed in the slots to close the slots; And a light source module having at least one LED light-emitting component disposed on the side-by-side tube portions. The LED lamp of claim 1, wherein the side pipe sides of the tubes are matched to define a coplanar bottom surface for the light source module to be attached to the bottom surface. The LED lamp of claim 2, wherein the socket body further comprises a connecting plate, the connecting plate has a bottom plate portion and two side plate portions extending upward from each other by the bottom plate portion, The equal pipe portions are respectively arranged side by side on the outer side faces of the side plate portions. The LED lamp of claim 3, wherein the bottom tube walls of the tube portions on the same side of the connecting plate are connected. The LED lamp of claim 3, wherein each of the tube portions further has a top tube wall spaced above the bottom tube wall, and the tubes are located on the same side of the connecting plate. Top tube wall The height away from the connecting plate is gradually lower. The LED lamp of any one of clauses 1 to 5, wherein the lamp holder further comprises a two-end case and a top case, each end case comprising a side wall and a side edge of the side wall An extending surrounding wall, the side wall and the surrounding wall define a recessed space, and each end shell extends into the recessed space by the end of the tube portion of the tube portion and is sleeved at the same end of the tube portion The nozzle is coupled to the socket body to allow a light pole tip to extend between the top shell and the socket body.