TW200918811A - LED lamp with a heat sink assembly - Google Patents

Abstract

An LED lamp includes a plurality of LED modules, a heat absorbing member supporting and cooling the LED modules, a lampshade enclosing the LED modules and the heat absorbing member therein, a lamp base secured to a bottom portion of the heat absorbing member, and a heat sink secured on top portion of the heat absorbing member. The heat sink is located at an out periphery of the lampshade. A plurality of heat pipes connect with the heat sink and the heat absorbing member.

Description

200918811 IX. Description of the invention: [Technical field to which the invention pertains] The present invention relates to a light-emitting diode lamp, and more particularly to a light-emitting diode lamp having a heat dissipation structure. [Prior Art] As a highly efficient light source, a light-emitting diode has been widely used in various fields, such as environmental protection, brightness, power saving, and longevity. (Only, the light-emitting diode generates heat when it is working, especially some high-power light-emitting diodes used for illumination. If the heat is not released in time, it will easily cause overheating, which will lead to a decrease in luminous efficiency. The polar body lamp comprises a heat-dissipating cylinder, a plurality of light-emitting diode modules are mounted on the outer wall of the cylinder body, and a lamp cover is disposed inside the light-emitting one-piece body group. When the light-emitting diode is illuminated At the time, the temperature inside the lampshade gradually rises; after a period of time, a large amount of heat is accumulated in the lampshade. The air with the heat is enclosed in the lampshade and cannot be circulated, and the cylinder body is also a conventional metal, heat transfer speed. Limited, and the LED temperature is increased. These enthalpies seriously affect the luminous efficiency and service life of the light-emitting diode. [Invention] A light-emitting diode lamp having a heat-dissipating structure, including a plurality of light-emitting diode modules, a heat sink for affixing and cooling the light emitting diode modules, a light cover for illuminating the light emitting diode module and the heat absorbing body cover, and a seat body and a device for mounting at one end of the light cover The heat shield is disposed at the other end of the lampshade, and the heat sink is disposed outside the lamp cover, and the plurality of heat pipes are connected to the heat absorbing body and the heat sink of 200918811. Compared with the prior art, the light emitting diode lamp of the present invention is placed in the lampshade through a heat pipe. The external heat sink is connected with the heat absorber attached to the light emitting diode in the lampshade, and the heat generated by the light emitting diode can be quickly and evenly radiated from the heat absorbing body to the heat sink to be emitted, thereby realizing the light emitting diode lamp. The heat-dissipating effect ensures that the light-emitting diode module works efficiently and stably. [Embodiment] As shown in FIG. 1 to FIG. 3, the light-emitting diode lamp of the present invention comprises a plurality of light-emitting diode modules 30 and a a heat absorbing body 20 for affixing and cooling the light emitting diode modules 30, a plurality of reflectors 40 disposed on the periphery of the heat absorbing body 20, a heat sink 60 disposed at one end of the heat absorbing body 20, and a heat sink 60 The plurality of heat pipes 50 of the heat absorbing body 20 and the base body 10 attached to the other end of the heat absorbing body 20. A lamp cover 70 is installed between the heat sink 60 and the base 10 and covers the light emitting diode module 30 therein. Please one Referring to FIG. 4, the base 10 includes a socket 12, a driving circuit module 14 received in the socket 12, a connecting member 16 at the end of the socket 12, and a mounting member 16 and a heat absorbing body. 20 is a fixed cover 18. The connecting member 16 has a disk shape, and a plurality of elastic washers 163 are disposed at an edge thereof, and a cylindrical mounting portion 161 is protruded toward the heat absorbing body 20. The central portion of the mounting portion 161 is provided with a central hole. 1612, a four-way hole 1614 is evenly distributed around the central hole 1612. The three-wire hole 1616 is evenly distributed on the top edge of the mounting portion 161. The three screw holes 165 and the four fixing holes 167 are evenly distributed on the periphery of the mounting portion 161. The through hole 1614 is inserted through the mounting portion 161 and is fixed to the mounting portion 161 for engaging with the heat absorbing body 20; a screw member 17 passes through the center hole 1612 of the mounting portion 161. And being fixed to the mounting portion 161 for mating with the heat sink 60. The fixing cover 18 has a cylindrical shape, and one end of the fixing piece 181 is provided with a plurality of fixing pieces 181 at a radial direction, and a through hole (not shown) is disposed in the middle of each fixing piece 181. A screw (not shown) passes through the fixing hole 167 of the connecting member 16 and cooperates with the socket 12 to fix the connecting member 16 to the socket 12. The fixed cover 18 is mounted on the socket 12. A plurality of wires (not shown) are passed from the driving circuit module 14 to the wire holes 1616 for electrical connection with the LED module 30. Referring to FIG. 5, the heat absorbing body 20 is integrally formed of a metal having good thermal conductivity such as copper or aluminum, and is fixed to one side of the base 10. The heat absorbing body 20 is a hollow polygonal prism. The heat absorbing body 20 has an outer wall 21 which is alternately arranged by the first and second prism faces 211, 213. The width of each of the first facets 211 is wider than each of the second facets 213. The outer wall 21 of the heat absorbing body 20 is provided with a three-way groove 2132 evenly spaced apart from the second prism face 213. A circular through hole (not shown) is disposed in the middle of the heat absorbing body 20, so that the heat absorbing body 20 forms an annular inner wall 22. The inner wall 22 has four cantilevers 221 projecting inwardly at equal intervals in the axial direction of the heat absorbing body 20 at positions corresponding to the second prism faces 213. A mounting hole 2211 is formed in the inner end of each of the cantilevers 221 through the upper and lower surfaces of the heat absorbing body 20 in the axial direction. The four fixing members fixed to the connecting portion 16 of the base body 10 respectively fix the heat absorbing body 20 to the base body 10 through the mounting holes 2211 of the cantilever arms 221, so that the heat absorbing body 20 abuts against one end of the base body 10 The mounting portion 161 of the connector 16 is attached. The screw member 17 passes through the through hole of the heat absorbing body 20, and the top end of the screw member 17 extends beyond the surface of the heat absorbing body 20 8 200918811 and the heat sink 60 to cooperate with the heat sink 60. The inner wall 22 of the heat absorbing body 20 is provided with a plurality of parallel grooves 223 at equal intervals along the axial direction of the heat absorbing body 20 at each of the first prism faces 211 to receive the heat pipe 50. Wherein, each of the three grooves 223 is evenly distributed between the two cantilevers 221 . The number of grooves 223 is equal to the number of heat pipes 50 and can be selected according to actual needs. Referring again to Figures 3 and 4, each of the heat pipes 50 is L-shaped, including a vertical evaporation section 51 and a horizontal condensation section 53. The evaporating segments 5 51 are embedded in the corresponding recesses 223 of the inner wall 22 of the heat absorbing body 20, and are evenly distributed along the axial direction of the heat absorbing body 20 to evenly distribute the heat generated by the illuminating diode module 30 to the entire absorbing body 20. . The condensing sections 53 are evenly distributed radially outwardly at one end of the heat sink 20 toward the heat sink 60. Each of the LED modules 30 includes a vertically long rectangular circuit board 32 and a plurality of light emitting diodes 34 uniformly fixed to the side of the circuit board 32. The other side of the circuit board 32 is thermally conductively attached to the r-th face 211 of the outer wall 21 of the heat absorbing body 20. The light-emitting diodes 34 are located on the same line extending in the direction of the length 1. of the circuit board 32, so that the heat thereof is uniformly conducted to the heat absorbing body 20. The wires that the plurality of self-driving circuit modules 14 pass through to the wire holes 1616 are electrically connected to the LED module 30. Each of the reflectors 40 has a disc structure, and an opening for the heat absorbing body 20 is provided in the middle portion thereof, and the reflector 40 extends outwardly from the opening thereof toward the base 10. A three mounting piece 41 is uniformly protruded inwardly on the inner side edge of the opening of the reflector 40, and its position corresponds to the through groove 2132 of the outer wall 21 of the heat absorbing body 20. A mounting hole 411 is disposed in an inner portion of each of the mounting pieces 41. The reflectors 40 9 200918811 are mounted on the light-emitting diode module mounted on the heat absorbing body 2G and are respectively located between the two light-emitting diodes of each circuit board 32 = the mouth sleeve 80 is disposed The reflectors 4 are spaced between the corresponding mounting pieces ο and are received in the through grooves 2132 to evenly slap the reflectors 40. The two screw members 90 pass through the corresponding mounting pieces 41: 8 wide 0 and the through holes of the fixing piece (8) on the fixed cover 18; at the same time, the screw parts 9=: the parts are screwed with the corresponding screw holes 165 on the seat body K) The top plate screw t) cooperates to fix the reflector 40 to the heat absorbing body 20 = cover = the sleeve 80 is fixed against the fixing piece 181 = the cover 40 acts as a secondary optical action, so that the light emitting diode The body module 3 〇 emits 4 knives of light projected onto the shadow directly below the illuminating diode lamp to achieve uniform light. In addition to Xiao, the heat dissipation of $60 is disc-shaped, made of copper and material with good thermal conductivity. The heat sink 6A includes a plurality of bases 61 on the upper surface of the circular member 61, and a plurality of bases, second and third heat sinks 66, 67, 68 disposed on the upper surface of the base. — Passing through the center of the heat sink 60, the top of the screw member 17 is sub-clamped, and a nut (not shown) is fitted to the heat sink 60. The bottom of the base 61 faces the groove 65 of the 4:= ^^ cloth in the screw hole 63 for receiving the heat pipe 5. The first and third fins 66, 67, 68 extend from the outer side edge of the f-seat toward the center of the screw hole 63, and are radially distributed. The first heat sink 66 and the second heat sink are evenly spaced, and each of the third heat sinks 68 is interposed between the first and second sheets 66 and 67. The distance between the first, second and third heat sinks 66, 67 and 200918811 gradually decreases inward along the radial direction of the heat dissipation of $60, and the height of the 帛, second and = heat: 66, 67, 68 heats off. Radial direction of the device 6: the lengths of the first heat sink 66, the second heat sink 67, and the third heat sink 68 are successively decreased. The condensation section 53 of the heat f 5G is welded to the bottom groove 65 of the 6-inch bottom. ”,,° The cover 7 is arranged in a slap-like shape and the heat absorbing body 20 and the light-emitting diode are respectively engaged with the elastic washer 163 on the connecting member 16 and the other end and the heat dissipation. The device 6 〇 cooperates to make the heat dissipation H 60, the base body 10 and the lamp cover 70 — the same as the light source 70. The door is composed of a closed chamber for accommodating the heat absorbing body 20, the illuminating body assembly 30 and the reflector 4 〇 and preventing dust, insects and the like from entering the lampshade 70 affects the lighting effect of the light-emitting diode module 30. After the day-to-day light-emitting diode 34 is energized, the light-emitting diode 34 generates light to provide illumination. At the same time, the heat generated by the light-emitting diode 34 is absorbed by the heat body 20 and rapidly conducted to the burst section 51 of the heat pipe 5〇 fixed thereto, and further by the condensation section 53 connected to the evaporation section 51. Conducting the first, second, and third heat sinks 66, 67, 68 above it to dissipate heat to the external environment. Thus, the light-emitting diode can operate within a normal temperature range to ensure The lighting effect of the lamp and the service life thereof are extended. The light emitting diode lamp of the invention The heat sink 6 disposed outside the lamp cover and the plurality of heat pipes 50 connecting the heat absorbing body 20 and the heat sink 60 can quickly and uniformly generate heat generated by the light emitting diode 34 by the heat absorbing body due to the good thermal conductivity of the heat pipe 5 20 is conducted to the heat sink 60, which can effectively reduce the temperature inside the lampshade, and ensures that the light-emitting diode module 3 is operated efficiently and stably. 11 200918811 4ί By ^, the invention meets the requirements of the invention patent, and patents are legally claimed. The above is only the preferred embodiment of the present invention, and the equivalents or changes made by the person skilled in the art of the present invention in the spirit of the present invention should be covered below. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a three-dimensional assembly diagram of a light-emitting diode lamp of the present invention. FIG. 2 is a three-dimensional group of the light-emitting diode lamp of FIG.

Loading pictures. Figure 3 is an exploded perspective view of Figure 2. Figure 4 is an inverted view of Figure 3. FIG. 5 is an enlarged view of the heat absorbing body and the light emitting diode module of FIG. 4. [Main component symbol description] Seat 10 Lamp holder 12 Drive circuit module 14 Connector 16 Screw member 17 Fixed cover 18 Heat absorbing body 20 Outer wall 21 Inner wall 22 Light-emitting diode module 30 Circuit board 32 Light-emitting diode 34 Reflector 40 Mounting plate 41 Heat pipe 50 Evaporating section 51 Condensing section 53 Heat sink 60 Base 61 Screw hole 63 12 200918811 Groove 65 Second heat sink 67 Shade 70 Screw 90 Elastic washer 163 Fixing hole 167 First face 211 Cantilever 221 Mounting hole 411 through hole 1614 through groove 2132 first heat sink 66 third heat sink 68 sleeve 80 mounting portion 161 screw hole 165 fixing piece 181 second face surface 213 groove 223 center hole 1612 wire hole 1616 mounting hole 2211

13

Claims (1)

200918811 Patent application scope: 1. A light-emitting diode lamp with a heat-dissipating structure, comprising a plurality of light-emitting diode modules, a heat absorbing body for affixing and cooling the light-emitting diode modules, and a light-emitting body The pole body module and the heat absorbing body cover are provided with a lamp cover and a seat body mounted at one end of the lamp cover, and the modification thereof comprises: providing a heat sink at the other end of the lamp cover, and the heat sink is disposed on the lamp cover An external 'plural heat pipe connects the heat sink and the heat sink. 2. The illuminating diode lamp having a heat dissipating structure according to claim 1, wherein the heat sink has a disk shape and comprises a plurality of fins protruding from the base. And the light-emitting diode "lighting device" having a heat dissipation structure according to the second aspect of the patent application, wherein the heat sink comprises a plurality of radiating distributions extending from the outer edge j of the heat sink base toward the center of the heat dissipation state. The first and second heat sinks are interlaced and spaced apart: and the first heat sink is interposed between the first and second heat sinks. 4:Special:! The third item: the luminous dipole with the heat dissipation structure 〃 The distance between the first, second and third heat sinks, > The heat sinks are gradually selected along the 埶 , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , The light-emitting diode of the thermal structure is fixed on the base of the heat sink, and the evaporation section accommodates the inner wall of the 14188188. 6. The light-emitting diode having the heat dissipation structure according to any one of the claims 5 to 5 The body lamp, wherein the heat absorbing body has a cylindrical shape, and the outer wall of the heat absorbing body is surrounded by a plurality of first and second rib faces which are spaced apart, and the light emitting diode modules are attached to the first rib On the surface. 7. The illuminating diode lamp having a heat dissipating structure according to claim 6, wherein the inner wall of the heat absorbing body has a plurality of cantilever arms extending uniformly inwardly corresponding to the corresponding second rib faces of the outer wall, and the plurality of fixing members are worn. The cantilever is coupled to the base to secure the heat sink to the base. 8. The illuminating diode lamp having a heat dissipating structure according to claim 1, wherein the illuminating diode lamp further comprises a long screw fixed in a middle portion of the base, the long screw passing through the absorbing body and The heat sink is screwed to fix the heat sink to one end of the heat absorbing body. 9. The illuminating diode lamp having a heat dissipating structure according to claim 1, wherein the illuminating diode lamp further comprises a plurality of reflectors disposed on a periphery of the absorbing body. 10. The illuminating diode lamp having a heat dissipating structure according to claim 9, wherein the reflector is disc-shaped and evenly spaced apart from the periphery of the heat absorbing body, and each reflector is located on each circuit board. Between the two light-emitting diodes. U. The light-emitting diode lamp having a heat dissipating structure according to the first aspect of the invention, wherein a plurality of sleeves are disposed between the reflectors for supporting and spacing the reflector. 15 200918811 .12. The light-emitting diode lamp having a heat dissipation structure according to the application scope of the invention, wherein the heat absorption outer wall is provided with a plurality of grooves, the sleeve is received in the groove, and the plurality of screw members pass through The reflector and the sleeve are fixed to the base. U. The illuminating diode lamp having a heat dissipating structure as described in any of the claims pp. 5 to 5, wherein each of the heat pipes is L-shaped. 16