WO2009111940A1 - Led lamp radiator and led lamp with the radiator - Google Patents

Abstract

An LED lamp radiator comprises: a mounting joint heat conductor formed to be tube shaped with its two ends closed; a plurality of radiating fins (2) uniformly fixed on the circumferential surface of the mounting joint heat conductor radially, wherein each radiating fin (2) is parallel with the axis of the mounting joint heat conductor; and an LED light source module connector (30) provided on the lower end of the mounting joint heat conductor and used to transfer heat from the LED lamp to a plurality of radiationg fins (2) via the mounting joint heat conductor. An LED lamp comprises the LED lamp radiator.

Description

 LED lighting radiator and LED lighting fixture with the same

 The present invention relates to an LED lighting fixture and a heat sink thereof, and more particularly to a heat dissipating structure for dissipating heat through a plurality of fins. Background technique

 As we all know, LED is the abbreviation of English light emitting diode, which can convert electric energy into light energy. At present, LED can be used as illumination lamp in lighting field.

 In the prior art, an LED lamp manufactured by dispersing tens of hundreds of LED lamps having a power of 1 W in a bulky device has been used, and the LED lamp manufactured by this method is too bulky and wastes materials. The manufacturing cost is increased, and it is not convenient for transportation and installation. It is also not conducive to aesthetic requirements. More importantly, this method of dispersing low-power LED lamps reduces the illumination power and fails to achieve the best energy-saving requirements.

 In order to solve the above problems, an LED lamp made of a single LED has appeared in the prior art. The LED lamp made of a single LED can meet the lighting requirements as well as the miniaturization of the LED lamp. However, for a single

In the case of LED lighting made of LED, since the heat generated by the LED is large and the overall volume of the high-power LED lamp is small, if the heat generated by the LED lamp cannot be effectively dissipated, serious light decay will occur and the LED will be affected. The life of the light.

 In order to effectively meet the heat dissipation requirements of LED lamps, fans have been used for heat dissipation in the prior art. This method has obvious technical defects, because the basic life of the LED lamp is 50,000 hours, which is about twenty years. The life of the fan is difficult to meet such a long time. Once the fan is not working properly, the LED lamp will be damaged. And setting the fan itself increases the energy consumption, which will result in waste of energy.

 In the Chinese utility model patent with the patent announcement number "CN2826172" and the invention of the name "integrated LED lamp heat sink", the housing with the LDE lamp is made into a heat sink shape, and the LED substrate is mounted on the heat conductive material. On the upper casing, but because the heat conductive material is not in direct contact with the casing, the heat generated by the LED lamp cannot be transmitted to the casing in time, so the heat dissipation effect is still not ideal. Summary of the invention

 In view of the above problems in the prior art, it is an object of the present invention to provide an LED illuminator heat sink which is small in size, has a good heat dissipation function, and has a long service life. '

In view of the above problems in the prior art, another object of the present invention is to provide an LED photo of the present invention. LED lighting for the light radiator.

 The LED illuminating lamp heat sink of the present invention comprises: a mounting and connecting heat conducting member formed in a cylindrical shape closed at both ends; a plurality of heat dissipating fins, wherein the plurality of heat dissipating fins are radially and uniformly fixed at the mounting connection for heat conduction An outer peripheral surface of the member, and each of the heat dissipating fins is parallel to an axis of the mounting connection heat conducting member; and an LED light source assembly connecting portion disposed at a lower end of the mounting and connecting heat conducting member, and designed to enable heat to be taken from The LED illumination lamp is sufficiently transmitted to the plurality of heat dissipation fins via the mounting connection heat conducting member.

 In order to solve the above-described technical problems of the present invention, the present invention also provides an LED lighting fixture comprising the LED lighting radiator of the present invention and an LED light source assembly connected to the LED light source assembly connecting portion of the LED lighting radiator. DRAWINGS

 The accompanying drawings are included to provide a further understanding of the invention The principle. The same reference numerals in the drawings denote the same parts. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1, FIG. 2 and FIG. 3 are schematic diagrams showing the structure of an LED illuminator according to a first embodiment of the present invention, wherein FIG. 1 is a front view, FIG. 2 is a top view, and FIG. A cross-sectional view taken along line AA of Fig. 2, Fig. 3-2 shows an alternative embodiment of the first embodiment of the present invention.

 4-1 and 4-2 are front views showing the overall outer contour shape of a plurality of heat radiating fins according to the first embodiment of the present invention, wherein Fig. 4-1 shows that the overall outer contour shape is a flat cylindrical shape. Figure 4-2 shows the overall outer contour shape as a flat truncated cone shape.

 Figures 5-1, 5-2 and 5-3 show the cross-sectional shape of the overall outline of a plurality of heat-dissipating fins, wherein Figure 5-1 shows the cross-sectional shape as a square, Figure 5-2 shows The cross-sectional shape is hexagonal, and the cross-sectional shape is elliptical as shown in Fig. 5-3.

 Figure 6 is a cross-sectional view showing a heat sink of an LED lamp according to a second embodiment of the present invention; and Figure 6-1 is a cross-sectional view showing the heat-conducting member of the mounting joint, wherein the inner wall of the heat-conducting member is formed by roughening Figure 6-2 shows a schematic cross-sectional view of the mounting and connecting heat conducting member, wherein the inner wall of the mounting and connecting heat conducting member is formed with a groove; Fig. 6-3 shows a schematic cross-sectional view of the mounting and connecting heat conducting member, wherein the mounting and connecting heat conduction A copper wire mesh is attached to the inner wall of the piece.

 7 and 8 are views showing the structure of a lampshade without a lampshade according to a third embodiment of the present invention, wherein Fig. 7 shows a front view of the LED lighting fixture, and Fig. 8 shows a top view of the LED lighting fixture.

9-1, 9-2, 10, 11, and 12 are LED lighting fixtures with a lampshade according to a fourth embodiment of the present invention; FIG. 9-1, FIG. 9-2, and FIG. 10 show an aircraft type lampshade, and FIGS. 9-1 and 9-2 are side views, and FIG. 10 is a top view of FIG. 9-1, FIG. And Fig. 12 shows a hemispherical lampshade, and Fig. 11 is a side view and Fig. 12 is a plan view.

 13 , FIG. 14 , FIG. 15 and FIG. 16 are schematic diagrams showing the structure of an LED lamp heat sink according to a fifth embodiment of the present invention, and showing that the overall outer contour shape of the plurality of heat dissipation fins is spherical, wherein 13 is a main view, FIG. 14 is a plan view and shows a bifurcation at the tail of the heat dissipating fin, FIG. 15 is a cross-sectional view taken along line BB of FIG. 14, and FIG. 16 is a top view and shows heat dissipation. There is no bifurcation at the end of the fin.

 17 , FIG. 18 and FIG. 19 show an LED lamp heat sink having an overall outer contour shape of an ellipsoidal shape, wherein FIG. 17 is a front view and FIG. 18 is a top view (a heat sink fin has a tail 1 The bifurcation), Figure 19 is the second top view (the fins do not have a bifurcation at the end).

 20, FIG. 21 and FIG. 22 show an LED lamp radiator in which the overall outer contour shape of the plurality of heat dissipation fins is a square cylinder or a cylinder shape, wherein FIG. 20 is a front view and FIG. 21 is a top view of FIG. (The cross section is square, the fins of the heat dissipation fins are not bifurcated), and Fig. 22 is the top view of Fig. 20 (square in cross section and 1 bifurcation at the end of the fins).

 FIG. 23 is a plan view showing an LED lamp heat sink having a hexagonal column shape as a whole outer fin shape of the plurality of heat dissipating fins, and FIG. 24 is an LED lamp heat sink having a truncated cone shape as a whole outer fin shape of the plurality of heat dissipating fins. Main view.

 25 and FIG. 26 are schematic structural views of a LED lighting fixture with a lampshade according to a sixth embodiment of the present invention, wherein FIG. 25 is a front view and the lamp cover portion is cut away, and FIG. 26 is a plan view of the lampshade portion, and FIGS. 27 and 28 are shown. A schematic view of the structure of an LED lamp heat sink according to a seventh embodiment of the present invention is shown in Fig. 27, which is a side view, and Fig. 28 is a cross-sectional view taken along line CC of Fig. 27. .

 Figure 29 is a diagram showing an LED lamp anti-glare structure having a two-light dimming structure according to an eighth embodiment of the present invention. Fig. 30 shows an anti-glare LED lighting fixture in accordance with an eighth embodiment of the present invention.

 Figure 31 is a partial cross-sectional view showing the LED light source assembly of the present invention mounted on the LED illuminator heat sink shown in Figure 3-2 through the LED light source assembly mounting plate in accordance with a ninth embodiment of the present invention.

 Fig. 32 shows a modified structure of the ninth embodiment in which the outer periphery of the lower end of the mounting connecting member is not formed with an external thread, but a connecting base is formed. detailed description

In order to achieve the object of the present invention, an LED lighting lamp heat sink includes a mounting and connecting heat conducting member, a plurality of heat dissipating fins, and an LED light source assembly connecting portion. The mounting and connecting heat conductive member of the present invention may be formed in a cylindrical shape in which both ends are closed. According to a preferred embodiment of the present invention, the mounting heat conducting member may form a cylindrical heat pipe structure by itself, or a cylindrical heat pipe structure may be disposed in the mounting connecting heat conducting member.

 The plurality of heat dissipating fins of the present invention are fixedly connected to the outer peripheral surface of the mounting and connecting heat conducting member in a direction parallel to the axis in which the heat conducting member is mounted, and are radially and uniformly distributed on the outer peripheral surface of the mounting and connecting heat conducting member.

 The LED light source assembly connecting portion of the present invention is disposed at a lower end of the mounting and connecting heat conducting member, and is designed such that the mounting connecting heat conducting member can sufficiently absorb the heat generated by the LED light source assembly.

 According to the above structure of the present invention, the heat generated by the LED light source assembly is transmitted to the mounting and connecting heat conducting member (in other words, to the cylindrical heat pipe structure for mounting the connecting heat conducting member), and then transferred to the plurality of heat radiating fins by the mounting and connecting heat conducting member. Heat is radiated to the outside by a plurality of fins. Since the heat pipe structure utilizes the phase change of the working medium to realize heat transfer, and has the advantages of stable operation and rapid heat transfer, the heat generated by the LED light source assembly can be quickly dissipated to the outside.

 In order to achieve the object of the present invention, the present invention also provides an LED lighting fixture having the LED lighting radiator of the present invention.

 The invention will be further described below in conjunction with several preferred embodiments and the accompanying drawings.

 First embodiment

 As shown in Fig. 1, Fig. 2, and Fig. 3-1, an LED illuminator heat sink according to a first embodiment of the present invention includes a mounting and connecting heat conducting member, a plurality of heat radiating fins 2, and an LED light source unit connecting portion 30.

 The mounting and connecting heat conducting member comprises a cylindrical heat pipe 1 and a mounting connecting member 3.

 The cylindrical heat pipe 1 is a heat pipe structure that conducts heat by utilizing a vacuum phase change of a working medium. In this embodiment, the cylindrical heat pipe 1 as a heat transfer member is a cylindrical copper sealed vacuum chamber having a sintered layer on the inner wall, and the sintered layer is filled with a liquid heat transfer medium, and the heat transfer is performed in the cavity of the cylindrical heat pipe. The evaporation and condensation phase change, the heat absorbed by the bottom is quickly transmitted to the entire cylindrical surface of the cylindrical heat pipe 1. Other specific structures of the cylindrical heat pipe are familiar to those skilled in the art, and will not be described herein.

 In the present invention, the structure of the cylindrical heat pipe 1 is not limited to the structure shown in FIG. 3-1, but may be performed as long as heat can be transferred, for example, through the inner wall of the cylindrical heat pipe 1. A copper wire mesh is attached thereto, the inner pipe wall of the cylindrical heat pipe 1 is roughened to form a granular shape, or the inner pipe wall of the cylindrical heat pipe 1 is grooved to form a wick of the heat pipe, so that the cylindrical heat pipe 1 can be replaced. A sintered layer is formed on the inner wall.

The mounting connector 3 is a cylindrical body with an inner hole 31 and can be made of a metal material such as aluminum having good thermal conductivity. The outer contour shape of the mounting connector 3 is not limited and may be a cylindrical shape, an elliptical cylinder shape, a 'square cylinder shape or a hexagonal cylinder shape. The outer peripheral surface shape of the cylindrical heat pipe 1 is matched with the shape of the inner hole 31 so that the cylindrical heat pipe 1 can be fitted in the inner hole 31 of the mounting joint 3 in a close fitting manner, and the outer peripheral surface of the cylindrical heat pipe 1 is The hole wall surface of the inner hole 31 is in close contact to transfer heat generated by the LED light source assembly from the cylindrical heat pipe 1 through the mounting connector 3 to the plurality of heat dissipation fins 2.

 Referring to FIG. 1 and FIG. 3], a plurality of heat radiating fins 2 are fixedly coupled to an outer peripheral surface of an upper end portion of the mounting connector 3 in a direction parallel to an axis of the mounting connector 3, and are radially distributed uniformly over the mounting connector. 3 The outer peripheral surface of the upper end portion. Although a plurality of heat dissipation fins 2 are disposed at the upper end of the mounting connector 3, as shown in FIG. 1 and FIG. 3-1, the present invention is not limited thereto, and the plurality of heat dissipation fins 2 may also be installed. The outer peripheral surface of the connecting member 3.

 Referring to Fig. 4-1, after being mounted to the mounting connector 3, the overall outer contour of the plurality of fins 2 may have a flat cylindrical shape.

 Referring to Fig. 4-2, after being mounted to the mounting connector 3, the cross-sectional area of the overall outer contour shape of the plurality of heat radiating fins 2 can be sequentially increased from top to bottom to save manufacturing materials.

 The overall outer contour shape of the plurality of heat dissipating fins 2 mounted to the mounting connector 3 is divided into a flat cylindrical shape (see FIG. 4-1) and a flat truncated cone shape (see FIG. 4-2), and may also be horizontal. A flat elliptical cylinder with a square prismatic cross section (see Figure 5-1), a hexagonal cylinder with a hexagonal cross section (see Figure 5-2), and an elliptical cross section (see Figure 5-3) A flat cylinder of body or other shape. Meanwhile, for aesthetic reasons and also for material saving, the cross-sectional areas of the overall outer contour shapes of the plurality of heat dissipation fins 2 may be equal or unequal, and preferably the cross-sectional area is from bottom to top (away from the connection of the LED light source assembly) Direction) decreases in turn.

 The tail end 21 of each fin 4 can be divided into two forks (refer to FIG. 2, FIG. 5-2), three forks or four forks, and can also be bifurcated (see FIG. 5-1, FIG. 5-3), but bifurcation The heat dissipation effect is better.

 In this embodiment, the plurality of heat dissipating fins 2 and the mounting and connecting member 3 may be integrally formed or independent of each other, that is, the heat dissipating fins 2 and the mounting connecting members 3 are respectively manufactured, and then fixedly connected by welding or the like. Connected into one. Compared with the plurality of heat dissipating fins 2 and the mounting member 3, the heat dissipating fins 2 of the separating structure are fixed to the cylinder of the mounting connecting member 3, and the heat dissipating effect is slightly inferior.

As shown in FIG. 3-1, the LED light source assembly connecting portion 30 includes an external thread 32 formed on the outer periphery of the lower end of the mounting connector 3 and used to connect the LED light source assembly, and a lower sealing surface 1 1 and a mounting connector of the cylindrical heat pipe 1. The recessed structure 33 of the LED light source assembly is formed together between the lower inner wall surfaces of the third end, so that the heat generated by the LED light source assembly can be transmitted to the lower sealing surface of the cylindrical heat pipe 1 (ie, as shown in FIG. 3-1). The lower end surface of the cylindrical heat pipe 1 is used for collecting the heat generated by the LED light source assembly, which is the heat absorbing end), and can directly transfer the heat to the mounting connector 3 installed in the heat conducting member, and then connected to the mounting connector 3 The heat sink fins 2 are radiated to the outside as quickly as possible. An alternative structure of the first embodiment is shown in Figure 2-3. As shown in Figure 3-2, according to actual needs, the lower sealing surface 11 of the cylindrical heat pipe 1 (ie, the lower end surface of the cylindrical heat pipe 1 shown in Figure 3-2) is used to collect the heat generated by the LED light source assembly. The heat absorbing end) can also be flush with the lower end surface of the mounting connector 3. In use, the LED light source assembly mounting plate of the LED light source assembly is closely attached to the lower end surface of the mounting connector 3 to facilitate heat transfer. Second embodiment

 The LED illuminator heat sink according to the second embodiment of the present invention also includes a mounting and connecting heat conducting member, a plurality of heat radiating fins 2A, and an LED light source unit connecting portion 30A.

 Referring to FIG. 6, the difference between the LED illuminating lamp heat sink according to the second embodiment of the present invention and the first embodiment is that the mounting and connecting heat conducting member 3A itself is a cylindrical heat pipe structure, and the connecting heat conducting member 3A is directly processed to form a heat pipe. Structural heat transfer components.

 In order to realize the formation of the cylindrical heat pipe structure by mounting the heat conducting member 3 A itself, the hole wall of the inner hole 31A to which the heat conducting member 3A is attached may be used as a heat pipe structure, and the copper wire may be attached to or through the hole wall. 313 (Participating in Figure 6-3) either the particles 311 (see Figure 6-1) formed by roughening the hole wall or the hole wall formed with the groove 312 (see Figure 6-2) form the heat pipe wick, The inner hole of the connecting and connecting heat conducting member 3A is sealed at both ends, and is vacuumed and charged into the working liquid to constitute a heat pipe structure.

 Similar to the first embodiment, the LED illuminator heat sink of the second embodiment also includes a plurality of heat dissipating fins 2A, and the LED light source assembly connecting portion 30A includes a recessed upward from the lower end of the mounting and connecting heat conducting member 3A to form a accommodating portion. The recess 33A of the LED light source assembly and the external thread 32A formed on the outer periphery of the lower end of the mounting and connecting heat conducting member 3A for connecting the LED light source assembly, the cylindrical heat pipe structure formed by the mounting heat conducting member 3A itself has a lower sealing surface, and the lower sealing surface is also concave The bottom wall of the groove 33A (see Fig. 6), the heat generated by the LED light source assembly is directly transmitted to the lower sealing surface of the heat pipe, and then radiated to the outside through the heat radiating fin 2 connected to the heat conducting member 3A of the heat pipe structure.

 Of course, the LED light source assembly connecting portion 30A in the second embodiment is not limited to that shown in FIG. 6. According to actual needs, the lower sealing surface of the cylindrical heat pipe structure formed by connecting the heat conducting member 3A itself may also be connected to the mounting. The lower end surface of the heat conducting member 3A is flush, and in use, the LED light source assembly mounting plate of the LED light source assembly is closely attached to the lower sealing surface. Third embodiment

As shown in FIG. 7 and FIG. 8, the LED lighting fixture without a lampshade according to the third embodiment of the present invention includes: an LED light source IV, an LED lighting radiator II, a hook I for hanging the LED lighting fixture, and a divergence for diverging Light lens V.

 The LED illuminating radiator II is the LED illuminating radiator of the first embodiment or the second embodiment, and may be other types of LED illuminating radiators provided by the present invention.

 The LED light source IV is mounted on the base of the lamp through a mounting plate. The lamp cap III is formed with an internal thread, and the lamp head III is connected to the LED light source assembly of the LED lamp radiator II by screwing.

 When the LED illuminator heat sink II is the heat sink described in the first embodiment, and the LED light source assembly connecting portion 30 includes the recessed structure 33, the LED light source assembly IV may be disposed in the recessed structure 33 and the LED light source of the LED light source assembly IV The component mounting plate abuts the lower sealing surface of the cylindrical heat pipe 1 of the LED lighting radiator.

 According to the need of the first embodiment, the lower sealing surface of the cylindrical heat pipe 1 is flush with the lower end surface of the mounting connector 3, and the LED light source assembly mounting plate of the LED light source assembly is tightly attached to the lower sealing surface when installed and used. fit.

 When the LED illuminator heat sink II is the heat sink described in the second embodiment, and the recess 33A is formed in the LED light source unit connecting portion 30A, the LED light source unit IV may be located in the recess 33A of the LED light source unit connecting portion 30A. The lower sealing surface of the heat conducting member 3A is attached to the cylindrical body having the heat pipe structure.

 For the second embodiment, the lower sealing surface of the cylindrical heat pipe structure formed by the connection heat conducting member 3A is flush with the lower end surface of the mounting connector 3, and when used, the LED light source assembly mounting plate of the LED light source assembly is used. The lower sealing surface of the cylindrical heat pipe structure closely fits.

 Fourth embodiment

 The fourth embodiment differs from the third embodiment in that a lamp cover is provided in the fourth embodiment.

 Referring to Figures 9-1, 9-2 and 10, a lampshade-equipped LED lighting fixture according to a fourth embodiment of the present invention includes an LED lighting radiator II and a lampshade VI, wherein the lampshade VI is in the shape of an aircraft. Compared to Figure 9-1, the top of the lampshade shown in Figure 9-2 has two grooved grooves for aesthetic purposes. The lampshade in this embodiment can have various shapes and is not limited to the shapes shown in Figs. 9-1 and 9-2.

 Referring to Figures 11 and 12, a lampshade-equipped LED lighting fixture according to a fourth embodiment of the present invention includes an LED lighting radiator II and a lampshade VI, wherein the lampshade VI is hemispherical.

 In the fourth embodiment, the LED illuminator heat sink II is the LED illuminator radiator of the first embodiment or the second embodiment, and may be other types of LED illuminator radiators provided by the present invention.

 Fifth embodiment

As shown in FIG. 13, FIG. 14, FIG. 15, and FIG. 16, an LED lamp heat sink according to a fifth embodiment of the present invention includes a mounting connector 3B, a cylindrical heat pipe 1B fixed in the mounting connector 3B, and a mounting connection. A plurality of heat dissipation fins 2B on the outer peripheral surface of the piece 3B and an LED light source assembly connection portion 30B for connecting the LED light source assembly. The fifth embodiment is basically the same as the first embodiment, and the main difference is: First, a plurality of heat dissipation fins 2B are connected to the mounting connector 3B substantially along the entire longitudinal direction of the mounting connector 3B; secondly, the LED light source assembly is connected. The portion 30B includes a recess 33B and a connection base 34B. The same structures as those of the first embodiment in the fifth embodiment will not be described again.

 As a modification of the fifth embodiment, the outer cross-sectional shape of the cylindrical heat pipe 1B is an elliptical, square or hexagonal cylinder, and the shape of the inner hole cross section of the mounting connecting member 3B may be The outer shape of the heat pipe 1 has a circular, elliptical, square or hexagonal shape with the same cross-sectional shape.

 17 , FIG. 18 and FIG. 19 show an LED lamp heat sink having an overall outer contour shape of an ellipsoidal shape, wherein FIG. 17 is a front view and FIG. 18 is a top view (a heat sink fin has a tail 1 The bifurcation), Figure 19 is the second top view (the fins do not have a bifurcation at the end).

 20, FIG. 21 and FIG. 22 show an LED lamp radiator in which the overall outer contour shape of the plurality of heat dissipation fins is a square cylinder or a cylinder shape, wherein FIG. 20 is a front view and FIG. 21 is a top view of FIG. (The cross section is square, the fins of the heat dissipation fins are not bifurcated), and Fig. 22 is the top view of Fig. 20 (square in cross section and 1 bifurcation at the end of the fins).

 Sixth embodiment

 As shown in Figs. 25 and 26, an LED lighting fixture according to a sixth embodiment of the present invention includes a heat sink II, an LED light source unit IV, a reflector cup VII, and a lamp cover VI.

 The heat sink II may be any heat sink provided by the present invention, for example, the heat sinks described in the first embodiment, the second embodiment, and the fifth embodiment, and details are not described herein.

 As shown in Figures 25 and 26, the lampshade IV can be of the aircraft type, and has a venting opening 42 at the rear of the body of the lampshade IV.

There is also a pole mounting hole tube on the IV. 43 There is a rib 41 on the lampshade IV, which also acts as a heat sink, and the reflector cup VII is mounted in the lampshade IV.

 Alternatively, the shape of the lampshade IV may be other various shapes, and the shape of the reflector may also vary accordingly.

 Seventh embodiment '

 As shown in FIG. 27 and FIG. 28, the LED illuminator heat sink according to the seventh embodiment of the present invention includes a mounting and connecting heat conducting member 3C and a plurality of heat radiating fins 2C, wherein a concave portion is recessed upward at a lower end of the mounting and connecting heat conducting member 3C. In the groove 33C, an inner hole 31C is formed in the mounting and connecting heat conductor 3C.

A seventh embodiment of the present invention is a modified structure of a second embodiment of the present invention, and a difference between the seventh embodiment of the present invention and the second embodiment of the present invention is that the plurality of heat dissipating fins 2C are substantially along the mounting connector. 3C's entire vertical connection The other structures are the same as those of the second embodiment, and will not be described again.

 Eighth embodiment

 As shown in FIG. 29, an LED lamp anti-glare structure according to an eighth embodiment of the present invention has a two-light-change structure, and includes: a small reflector 2D mounted on the front end of the LED illuminator 1D and mounted on the small reflector 2D The primary light-changing mechanism composed of the front lens 3D also includes a secondary light-changing mechanism composed of a large reflector 4D and a curved mirror 5D. The large reflector 4D is mounted in front of the lens 3D and closely adjacent to the bottom edge of the lens 3D. A curved mirror 5D is mounted on the cup of the large reflector 4D; the lens can be processed into a convex lens or a concave lens as needed, and FIG. 29 is a convex lens.

 As shown in FIG. 30, an LED lighting fixture according to an eighth embodiment of the present invention includes a lamp cover 6D, an LED lamp heat sink 7D, a connection base 8D, an LED illuminator ID, and an LED having two dimming structures as shown in FIG. Light anti-glare structure.

 The connection base 8D is fixed on the top of the lamp cover 6D, and the LED illuminator 1D is fixed on the connection base 8D. The LED lamp anti-glare structure having the two light-changing structure includes a small reflector 2D installed at the front end of the LED illuminator 1D and mounted on The primary light-changing mechanism composed of the lens 3D at the front end of the small reflector 2D also includes a set of secondary light-changing mechanisms composed of a large reflector 4D and a curved mirror 5D. The large reflector 4D is mounted in front of the lens 3D, tightly Attached to the bottom edge of the lens 3D, a curved mirror 5D is mounted on the cup opening of the large reflector 4D, and an LED light radiator 7D is also connected to the connection base 8D.

 In the LED lighting fixture shown in FIG. 30, the lampshade 6D is of an aircraft type, but the invention is not limited thereto, and any LED lamp anti-glare structure having two dimming structures belongs to the protection scope of the present invention, according to actual needs. The outer casing of the anti-glare LED lighting fixture can adopt different types of lampshades to make lighting fixtures such as bokeh lights, street lamps and spotlights with beautiful appearance and convenient installation. The LED light radiator can also adopt various structures and forms, which can be adopted. Various LED heat sinks of the known structure can also be used for various LED heat sinks provided by the present invention, and are not described herein again.

 Ninth embodiment

 According to a ninth embodiment of the present invention, the LED light source assembly is connected to the LED light source assembly connecting portion of the LED illuminator heat sink through the LED light source assembly mounting plate.

 As shown in Fig. 31, the LED light source unit 93 of the present invention is mounted to the lamp holder through the LED light source unit mounting plate 92.

In the 91, the lower end surface of the mounting connecting member 99 is flush with the lower sealing surface of the cylindrical heat pipe 90, and the outer periphery of the lower end of the mounting connecting member 99 is formed with an external thread.

The lamp cap 91 is a stepped cylindrical structure having a stepped through hole therein, and the smaller diameter end of the stepped through hole is formed with an internal thread for connecting with the external thread of the LED light source assembly connecting portion of the mounting connector 99, and the stepped passage The bottom end of the larger diameter end of the hole is fixedly coupled to the LED light source assembly mounting plate 92 of the LED light source assembly 93 by screws 94. The front end of the LED light source unit 93 is provided with a small reflector cup 95 and a lens 98 in this order, and a seal ring 97 is installed between the lens 98 and the base 91 to allow external water vapor or water to enter the interior of the LED lamp. The large end of the lens 98 is fitted in a cavity formed by the front end portion of the base 91 and the pressing cover 96 attached to the outer end of the outer periphery of the base 91. The compression cover 96 is coupled to the base 91 by a threaded connection to lock the lens 98.

 The LED light source assembly 93 refers to an LED light-emitting device that is packaged by a process commonly used in the art and is non-removable and has a conventional function.

 The LED light source assembly mounting plate 92 is a mounting plate or mounting bracket made of metal having good heat dissipation properties. The LED light source assembly mounting plate 92 and the LED light source assembly 93 can be integrally formed.

 According to this configuration, the heat generated by the LED light source unit 93 is transmitted to the cylindrical heat pipe 90 through the LED light source assembly mounting plate 92, and then transmitted to the mounting connection member 99, and then transmitted to the heat dissipation fins by the mounting connection member 99, and finally radiated to the outside. .

 Fig. 32 shows a modified structure of the ninth embodiment. In the deformed structure, the outer circumference of the lower end of the mounting member 99 is not formed with an external thread, but an annular connecting base 91 A is formed. The LED light source assembly 93 is mounted on the connection base 91A of the connection heat conduction member 99 through the LED light source assembly mounting plate 92. The front end of the LED light source assembly 93 is provided with a small reflector cup 95 and a lens 98 in sequence, and is connected to the lens 98 and the connection base. A gasket 97 is installed between the 91A to prevent dust, water vapor or water from entering the interior of the lighting fixture, and the large end of the lens 98 is caught by the front end of the gasket 97 and the front end of the connection base 91 A. The cover 96 is formed in a cavity.

 The LED light source assembly mounting plate 92 is fixed to the connection base 91 A by screws 94, and the LED light source assembly mounting plate 92 is pressed against the lower sealing surface of the cylindrical heat pipe 90. The pressing cover 96 is fixed to the joint base 91A by screws 94A to lock the lens 98.

 Although the ninth embodiment of the present invention is described in the case where the lower end surface of the mounting connector and the lower sealing surface of the cylindrical heat pipe are flush, those skilled in the art can know from the following that the mounting of the heat conducting member of the present invention is When the lower end is formed with an upwardly recessed recess, it is achievable to use the LED light source assembly mounting plate to dispose the LED light source assembly of the present invention in the recess and to allow the heat generated by the LED light source assembly to be sufficiently transmitted to the heat pipe structure. This will not be repeated.

 Since the present invention can be embodied in many different forms without departing from the spirit or essential characteristics of the invention, it should be understood that the above embodiments are not limited to the details of the preceding description. And the scope of the claims and the scope of the claims are intended to be included in the scope of the appended claims. In the book.

Claims

Rights request  1. An LED illuminator heat sink comprising: a mounting and connecting heat conducting member formed in a cylindrical shape closed at both ends;  a plurality of heat dissipating fins radially and uniformly fixed on an outer peripheral surface of the mounting and connecting heat conducting member, wherein each of the heat dissipating fins is parallel to an axis of the mounting and connecting heat conducting member;  An LED light source assembly connecting portion is disposed at a lower end of the mounting and connecting heat conducting member, and is designed to enable heat to be sufficiently transferred from the LED light source assembly to the plurality of heat radiating fins via the mounting and connecting heat conducting member.  2. The LED illuminator heat sink according to claim 1, wherein said mounting connection heat conducting member comprises a mounting connector and a heat transfer member, said mounting connector being formed in a cylindrical shape, said heat transfer member being formed as a cylindrical shape and fixedly disposed in the mounting connector, an outer peripheral surface of the heat transfer member in close contact with an inner surface of the barrel wall of the mounting connector to pass heat from the heat transfer member through the mounting connector Transmitted to the plurality of heat dissipation fins, the plurality of heat dissipation fins are fixedly coupled to an outer peripheral surface of the mounting connector, and the LED light source assembly connection portion is disposed at a lower end of the mounting connector.  The LED illuminator heat sink according to claim 2, wherein the outer edge of the mounting connector has a circular cross section, an elliptical shape, a square shape or a hexagonal shape.  4. The LED illuminator heat sink according to claim 1, wherein said mounting connection heat conducting member is a cylindrical heat pipe, and an inner wall of said mounting connecting heat conducting member is formed as a heat pipe wall through said cylindrical heat pipe a copper wire mesh is attached to the inner wall, the inner wall of the cylindrical heat pipe is roughened to form a granular shape or the inner wall of the cylindrical heat pipe is grooved to form a heat pipe wick, and both ends of the cylindrical heat pipe are sealed. The inside of the cylindrical heat pipe is provided with a working liquid.  The LED illuminating lamp heat sink according to any one of claims 1 to 4, wherein a common outer contour shape of the plurality of heat dissipating fins is a flat cylindrical shape, a flat truncated cone shape, a spherical shape, an elliptical shape, and a cylindrical shape. Body shape, truncated cone shape, square cylinder shape, triangular cylinder or hexahedron shape.  The LED illuminator heat sink according to claim 5, wherein a cross section of a common outer contour shape of the plurality of heat dissipation fins gradually increases from top to bottom along an axial direction of the mounting connection heat conductor.  The LED illuminator according to any one of claims 1 to 4, wherein a tail end of each of the heat dissipating fins is formed with 2, 3 or 4 bifurcations.  The LED lighting lamp heat sink according to claim 1, wherein the plurality of heat radiating fins are integrally formed with the mounting connection heat conducting member and are made of a metal material. 9. The LED illuminator heat sink according to claim 1, wherein the plurality of heat dissipating fins are fixedly coupled to an outer peripheral surface of the upper end of the mounting connection heat conducting member. 10. The LED illuminator according to claim 2, wherein the heat transfer member is a cylindrical heat pipe having an outer shape that matches an inner wall shape of the mounting connector, and a lower seal of the cylindrical heat pipe The surface is the endothermic end.  The LED illuminator heat sink according to claim 10, wherein said cylindrical heat pipe comprises a cylindrical copper-sealed vacuum chamber having an inner wall formed with a sintered layer, said sintered layer being filled with a liquid heat transfer medium.  The LED illuminator heat sink according to claim 10, wherein a copper wire mesh is attached to an inner tube wall of the cylindrical heat pipe, and an inner tube wall of the cylindrical heat pipe is roughened to form a granular shape or The inner tube wall of the cylindrical heat pipe is grooved to form a heat pipe wick, and both ends of the cylindrical heat pipe are sealed, and the inside of the cylindrical heat pipe is filled with a working liquid.  13. The LED illuminator heat sink according to claim 10, wherein the LED light source assembly connection portion includes an external thread formed at an outer periphery of a lower end of the mounting connector and used to connect the LED light source assembly, and the cylindrical heat pipe A recessed structure is formed between the lower sealing surface and the lower end inner wall surface of the mounting connector for receiving the LED light source assembly.  14. The LED illuminator heat sink according to claim 10, wherein the LED light source assembly connection portion is formed by being formed by a lower sealing surface of the cylindrical heat pipe and a lower end inner wall surface of the mounting connector And a recessed structure for accommodating the LED light source assembly and a connection base disposed at an outer periphery of the lower end of the mounting connector for connecting the LED light source assembly.  The LED illuminator heat sink according to claim 4, wherein the LED light source assembly connecting portion includes a recess formed to recess an LED light source assembly formed from a lower end of the mounting connection heat conductive member, and is formed on The mounting is connected to the outer periphery of the lower end of the heat conducting member and is used to connect the external thread of the LED light source assembly.  16. The LED illuminator heat sink according to claim 4, wherein the lower sealing surface of the cylindrical heat pipe structure formed by the mounting connection heat conducting member itself is flush with the lower end surface of the mounting connection heat conducting member.  17. The LED illuminator heat sink according to claim 4, wherein the LED light source assembly connection portion includes a recess for accommodating the LED light source assembly formed from the lower end of the mounting connection heat conductive member and is disposed on The mounting connection connects the outer periphery of the lower end of the heat conducting member for connecting the connecting base of the LED light source assembly.  The LED illuminator heat sink according to claim 10, wherein the LED light source assembly connecting portion includes an external thread formed at an outer periphery of a lower end of the mounting connector and used to connect the LED light source assembly, and the cylindrical heat pipe The lower sealing surface is flush with the lower end surface of the mounting connector. An LED lighting fixture, comprising the LED illumination lamp heat sink according to any one of claims 18 to 18, and an LED light source assembly, wherein the LED light source assembly is connected to the LED illumination lamp through an LED light source assembly mounting plate The LED light source assembly connection of the heat sink. 20. The LED lighting fixture of claim 19, further comprising a light cover of the LED light source assembly.  21. The LED lighting fixture of claim 20, wherein the LED illuminator heat sink is mounted above or to the side of the shade.  22. The rate LED lighting fixture of claim 20, wherein the lampshade is provided with a venting opening and a rib. 23. The LED lighting fixture of claim 20, wherein the lamp cover is further provided with a lamp post mounting hole. 24. The LED lighting fixture of claim 20, wherein the shade is in the shape of an airplane, and the tail of the fuselage has a venting opening.  25. The LED lighting fixture of claim 19, further comprising an LED light anti-glare structure, the LED light anti-glare structure comprising:  a primary light-changing mechanism comprising a small reflector mounted on a front end of the LED light source assembly and a lens mounted on the small reflector cup mouth;  a secondary dimming mechanism comprising a large reflector and a curved mirror mounted in front of the lens and abutting a bottom edge surrounding the lens, the curved mirror being mounted The mouth of the large reflector cup.