CN102121588A

CN102121588A - LED lamp bulb with multi-direction projection effect

Info

Publication number: CN102121588A
Application number: CN201010599219XA
Authority: CN
Inventors: 黄崇贤
Original assignee: Dongguan Hanxu Hardware Plastic Technology Co Ltd
Current assignee: Dongguan Hanxu Hardware Plastic Technology Co Ltd
Priority date: 2010-12-17
Filing date: 2010-12-17
Publication date: 2011-07-13

Abstract

The invention discloses a light emitting diode (LED) lamp bulb with a multi-direction projection effect. The LED lamp bulb comprises a lamp shade, a heat-conducting base, a plurality of radiating fins, a heat-conducting component and a plurality of LED light-emitting components, and is characterized in that: the plurality of radiating fins are combined at the periphery of the heat-conducting base; the heat-conducting base is provided with a middle hole in which the heat-conducting component can be accommodated in an interference fit mode; a plurality of inclined surfaces and a top surface are formed at the exposed end of the heat-conducting component by stamping, or a flat-top cone with a polygonal inclined surface and a top surface is formed at the exposed end of the heat-conducting component by stamping; one or more LED light-emitting components are attached to and combined on the inclined surfaces and the top surface respectively; the plurality of LED light-emitting components at different angles can achieve the multi-direction projection effect, so that illuminating brightness is improved; and the heat of each LED light-emitting component directly and concentratedly passes through the heat-conducting component, and is quickly released by the plurality of radiating fins, so that the lamp bulb cannot be damaged due to overheating.

Description

LED bulb with multi-direction projection

Technical field

The present invention is the improvement of relevant a kind of LED bulb, refers to a kind of have multi-direction projection and the splendid LED lamp envelope design of heat sinking function especially.

Background technology

Known LED bulb, because of the LED luminescence component of inside all towards the front end setting, so light source is all concentrated the same direction that is projeced into front end, peripheral light source can be weak, the luminance shortage phenomenon is easily arranged, and whole brightness of illumination is inhomogeneous, though this LED bulb tool low power consumption advantage, but heat-resisting low, therefore must solve heat dissipation problem; As the LED bulb of known Philip (Philips) company manufacturing, adopt the heat dissipation metal shell block of mold casting forming exactly, in order to heat radiation to be provided, but whole heavy expensive, radiating effect is extremely limited, shows not attain practicality.

According to recent development trend, the bulb of general LED or high-capacity LED luminescence component, replace traditional tungsten filament heating bulb gradually, during correlation technique also constantly promoted, right known LED bulb was to utilize the heat transfer property of LED body and its power supply lead foot or circuit substrate to dispel the heat, through using for a long time, can the accumulation temperature rise, easily cause LED electrically bad or impaired, particularly increase progressively temperature relatively along with the increase of LED luminescence component quantity, the heat dissipation problem that it faced will be more serious.

Summary of the invention

Main purpose of the present invention is to provide a kind of LED bulb with multi-direction projection, and it has multidirectional projection effect, and has splendid heat sinking function.

The present invention adopts following technical scheme for achieving the above object:

A kind of LED bulb with multi-direction projection comprises: a lampshade, a heat conducting base, complex cooling fin, a heat-conductive assembly and a plurality of LED luminescence component; This lampshade is that relative fixed is in complex cooling fin, between lampshade and complex cooling fin and heat conducting base, heat-conductive assembly and a plurality of LED luminescence component be set; This heat conducting base one end system plants in conjunction with a heat-conductive assembly, and peripheral and around in conjunction with complex cooling fin, and has one and can embed the mesopore that holds heat-conductive assembly; This complex cooling fin system depends on the periphery that is incorporated into heat conducting base; This heat-conductive assembly system embeds the mesopore that is incorporated into heat conducting base, and its bared end and punching press form has a plurality of inclined-planes and an end face, and on each inclined-plane and end face attach respectively in conjunction with one or more LED luminescence component; This a plurality of LED luminescence components system is made of single or many institutes of luminous brilliant unit, for one or more LED luminescence component being attached inclined-plane and the end face that is incorporated into heat-conductive assembly respectively; Form according to above-mentioned member, system utilizes the different angles of inclined-plane and end face to make a plurality of LED luminescence components produce multi-direction projection effect, and whole thermals source of LED luminescence component are all concentrated by heat-conductive assembly the heat temperature are transmitted fast, and discharge the heat temperature rapidly via complex cooling fin.

Preferably, described lampshade is the half case lid of a printing opacity, and support is incorporated into the end face that props up that complex cooling fin centers on formation.

Preferably, the mesopore of described heat-conductive assembly is a through hole.

Preferably, the mesopore of described heat-conductive assembly is a blind hole.

Preferably, the bared end of described heat-conductive assembly is one to have the polygon frustoconical bevel of a polygon inclined-plane and an end face.

Preferably, described heat-conductive assembly is to adopt the close-fitting structure and embed the mesopore that is incorporated into heat conducting base.

Preferably, described heat-conductive assembly is a heat pipe.

Preferably, described heat-conductive assembly is a bronze medal post or a copper pipe.

A kind of LED bulb with multi-direction projection is to comprise: a lampshade, a heat conducting base, complex cooling fin, a heat-conductive assembly and a plurality of LED luminescence component; This lampshade is that relative fixed is in complex cooling fin, between lampshade and complex cooling fin and heat conducting base, heat-conductive assembly and a plurality of LED luminescence component be set; This heat conducting base is an aluminium matter heat conducting base, and the one end is one-body molded and have a heat-conductive assembly, and is peripheral and around in conjunction with complex cooling fin; This complex cooling fin system depends on the periphery that is incorporated into heat conducting base; This heat-conductive assembly is shaped in the upper end of aluminium matter heat conducting base, and its bared end has a plurality of inclined-planes and an end face, and on each inclined-plane and end face attach respectively in conjunction with one or more LED luminescence component; This a plurality of LED luminescence components system is made of single or many institutes of luminous brilliant unit, for one or more LED luminescence component being attached inclined-plane and the end face that is incorporated into heat-conductive assembly respectively; Form according to above-mentioned member, system utilizes the different angles of inclined-plane and end face to make a plurality of LED luminescence components produce multi-direction projection effect, and whole thermals source of LED luminescence component are all concentrated by heat-conductive assembly the heat temperature are transmitted fast, and discharge the heat temperature rapidly via complex cooling fin.

After adopting technique scheme, the present invention compared with prior art has tangible advantage and beneficial effect, specifically is summarized as follows:

One, the present invention binds to close by the periphery in this heat conducting base and is provided with complex cooling fin, but heat conducting base has the mesopore that a close-fitting holds heat-conductive assembly, and the bared end of heat-conductive assembly and punching press form a plurality of inclined-planes and an end face, and then on inclined-plane and end face, attach respectively and combine one or more LED luminescence component, utilize different angles to make a plurality of LED luminescence components produce multi-direction projection effect, promote integral illumination brightness by this, discharge rapidly via complex cooling fin again by heat-conductive assembly and the thermal source of a plurality of LED luminescence components system is directly concentrated, a large amount of heat energy that event is produced for a plurality of LED simultaneously, can bring into play thermolysis fast and effectively, guarantee that bulb or LED luminescence component can be overheated not impaired.

Two, the bared end of the present invention's heat-conductive assembly is but that also punching press formation has the frustoconical bevel of polygon inclined-plane and end face, so as on each inclined-plane and end face attach respectively in conjunction with one or more LED luminescence component, really reach multi-direction projection effect, to strengthen whole brightness of illumination.

Three, the mesopore of the present invention's heat-conductive assembly system is embodied as a through hole, or also can be embodied as a blind hole in case of necessity, all can embed and fixedly hold for the heat-conductive assembly close-fitting, so overall package is more convenient quick and combination is very firm.

Four, a heat pipe or copper post (copper pipe) can be selected to be embodied as by the present invention's heat-conductive assembly system, or also can directly be shaped in the upper end of aluminium matter heat conducting base, provide the thermal source of a plurality of LED luminescence components can concentrate by this and discharge the heat temperature rapidly via complex cooling fin by this heat-conductive assembly.

Five, the present invention's complex cooling fin system can be by close-fitting various selected modes such as chimeric or solder bond or riveted be fixing and around the periphery that depends on heat conducting base, and prop up end face around constituting one, for the lampshade of coupling in conjunction with half case lid, whole complex cooling fins all is exposes form, so communicate for contacting fully, can further strengthen its radiating effect with outside air.

Description of drawings

Fig. 1 is the exploded perspective view of first kind of embodiment of the present invention;

Fig. 2 is the combination stereogram of first kind of embodiment of the present invention;

Fig. 3 is the combination bottom view of first kind of embodiment of the present invention;

Fig. 4 is the A-A profile of Fig. 3;

Fig. 5 is the combination top view of second kind of embodiment of the present invention;

Fig. 6 is the combination section of the third embodiment of the present invention;

Fig. 7 is the combination section of the present invention's the 4th kind of embodiment.

The accompanying drawing identifier declaration

Lampshade 1

Heat conducting base

2,7

Complex cooling fin 3

Heat-

conductive assembly

4,4a, 6,71

LED luminescence component 5

Mesopore 21

Inclined-

plane

41,41a

End face

42,42a

The specific embodiment:

Now adjoint embodiment is described in detail as follows architectural feature of the present invention and other effect, purpose:

As shown in Figures 1 to 4, be first kind of preferred embodiment of institute of the present invention " LED bulb " with multi-direction projection, it is to comprise: a lampshade 1, a heat conducting base 2, complex cooling fin 3, a heat-conductive assembly 4 (heat pipe is selected to use by the heat-conductive assembly system among the figure) and a plurality of LED luminescence component 5, wherein:

Lampshade 1, it is the half case lid of a printing opacity, and be incorporated into complex cooling fin 3 relatively and center on the end face that props up that constitutes, its can adopt gluing in conjunction with or snapping in conjunction with etc. any-mode, what make that lampshade 1 is fixed at complex cooling fin 3 props up end face (as second, four figure), and a heat conducting base 2, a heat-conductive assembly 4 and a plurality of LED luminescence component 5 then are set between lampshade 1 and complex cooling fin 3;

Heat conducting base 2, one end system plants in conjunction with a heat-conductive assembly 4, another bottom then can be in conjunction with the electrical connector that a bulb is set (figure does not show), heat conducting base 2 peripheral and around depending on complex cooling fin 3 (as Fig. 3), and has a mesopore 21 that can hold heat-conductive assembly 4, this mesopore 21 is to be preferable with the through hole form that is embodied as shown, system in order to make things convenient for heat-conductive assembly 4 fast close-fitting embed and obtain and fixedly hold, only in like manner as can be known, described mesopore 21 be in also being embodied as a blind hole in case of necessity, also can provide the heat-conductive assembly close-fitting to embed and fixedly holds;

Complex cooling fin 3, system's selected modes such as chimeric or solder bond or riveted be fixing by close-fitting depend on the periphery that is incorporated into heat conducting base 2, as shown in the figure, complex cooling fin 3 is to adopt around form to be fixedly arranged on heat conducting base 2, and prop up end face around constituting one, for supporting in conjunction with lampshade 1, and whole complex cooling fins 3 all is and exposes form, can contact with outside air and communicate, therefore have better radiating effect;

One heat-conductive assembly 4, it can be a heat pipe, system embeds the mesopore 21 that is incorporated into heat conducting base 2, its bared end and punching press form has a plurality of inclined-planes 41 and an end face 42, promptly as shown in FIG., the bared end of this heat-conductive assembly 4 system is embodied as a triangular planar top cone with polygon inclined-plane 41 and an end face 42, so on each inclined-plane 41 and end face 42 attach respectively in conjunction with one or more LED luminescence component 5;

A plurality of LED luminescence components 5, it can be made of institute of the luminous brilliant unit of single or many, for one or more LED luminescence component being attached inclined-plane 41 and the end face 42 that is incorporated into heat-conductive assembly 4 respectively;

Form according to above-mentioned member, described a plurality of LED luminescence component 5 is to utilize the different angles of inclined-plane 41 and end face 42 to make a plurality of LED luminescence components 5 produce multi-direction projection effect, therefore promote integral illumination brightness, and whole thermals source of LED luminescence component 5 are all concentrated by heat-conductive assembly 4 the heat temperature are transmitted fast, and via the complex cooling fin 3 that exposes ingress of air, obtain rapid release heat temperature,, be not subjected to temperatures involved the service life that more can guarantee bulb so LED luminescence component 5 can be overheated not impaired.

As shown in Figure 5, be second kind of embodiment of the present invention, it is to execute variation again at the form of heat-conductive assembly 4a, mainly make the bared end punching press formation one of heat-conductive assembly 4a be tetragonal frustoconical bevel, so moulding has four a limits inclined-plane 41a and an end face 42a, so can attach respectively in conjunction with one or more LED luminescence component 5 in each inclined-plane 41a and end face 42a, to increase the brightness of peripheral light source; In like manner as can be known, the bared end of described heat-conductive assembly 4 (4a), but also punching press forms other polygonal frustoconical bevel, as pentagon, hexagon or octagon etc., is all feasible example.

In addition, combine with the adaptive of heat conducting base 2 about heat-conductive assembly 4 (4a), the total length of heat-conductive assembly 4 (4a) and the degree of depth of mesopore 21 also can be relative extension in proportion; The main system of this heat-conductive assembly 4 (4a) adopts the close-fitting structure and embeds and be incorporated into mesopore 21 and be preferred embodiment, adopts the heat conduction viscose and finishes combination but also can change, or also can be by welding to finish combination, from unrestricted necessary.

As heat conducting base 2 of the present invention, above-mentioned diagram is that exposure is a hollow base frame, but also can select in case of necessity to be embodied as a solid pedestal, and the shape of heat conducting base 2 is not also exceeded with round, other in like manner all can adopt as the pedestal of triangle, quadrangle, polygon or other geometry; As for described complex cooling fin 3, about its shape, size, specification or overall alignment form, can certainly do proper transformation again, thus all based on major technique content of the present invention do simple and easy variation or equivalent replacement, all should be considered as not taking off this case technology category.

As shown in Figure 6, be the third embodiment of the present invention, it is selected with a bronze medal post (or copper pipe) another embodiment as heat-conductive assembly 6, in like manner the heat-conductive assembly 6 of copper post (copper pipe) can be embedded the mesopore 21 that is incorporated into heat conducting base 2, its bared end also has a plurality of inclined-planes and an end face, providing one or more LED luminescence component 5 to attach combinations respectively, and described copper post system can be a solid cylinder, or also can be a hollow tube (being copper pipe).

As shown in Figure 7, be the 4th kind of embodiment of the present invention, it selects in one-body molded mode heat-conductive assembly 71 directly to be attached to the upper end of an aluminium matter heat conducting base 7, the aluminium matter heat conducting base 7 of this moment is to omit, but still be provided with a plurality of inclined-planes and an end face at integrated heat-conductive assembly 71, in like manner can attach respectively, the thermal source of a plurality of LED luminescence components is concentrated by this heat-conductive assembly 71 again via complex cooling fin 3 release heat rapidly temperature in conjunction with one or more LED luminescence component 5.

The above, it only is preferred embodiment of the present invention, be not that technical scope of the present invention is imposed any restrictions, so every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any trickle modification, equivalent variations and modification that above embodiment did.

Claims

1. the LED bulb with multi-direction projection comprises: a lampshade, a heat conducting base, complex cooling fin, a heat-conductive assembly and a plurality of LED luminescence component; It is characterized in that:

This lampshade is that relative fixed is in complex cooling fin, between lampshade and complex cooling fin and heat conducting base, heat-conductive assembly and a plurality of LED luminescence component be set;

This heat conducting base one end system plants in conjunction with a heat-conductive assembly, and peripheral and around in conjunction with complex cooling fin, and has one and can embed the mesopore that holds heat-conductive assembly;

This complex cooling fin system depends on the periphery that is incorporated into heat conducting base;

This heat-conductive assembly system embeds the mesopore that is incorporated into heat conducting base, and its bared end and punching press form has a plurality of inclined-planes and an end face, and on each inclined-plane and end face attach respectively in conjunction with one or more LED luminescence component;

This a plurality of LED luminescence components system is made of single or many institutes of luminous brilliant unit, for one or more LED luminescence component being attached inclined-plane and the end face that is incorporated into heat-conductive assembly respectively;

Form according to above-mentioned member, system utilizes the different angles of inclined-plane and end face to make a plurality of LED luminescence components produce multi-direction projection effect, and whole thermals source of LED luminescence component are all concentrated by heat-conductive assembly the heat temperature are transmitted fast, and discharge the heat temperature rapidly via complex cooling fin.

2. the LED bulb with multi-direction projection according to claim 1 is characterized in that: described lampshade is the half case lid of a printing opacity, and support is incorporated into the end face that props up that complex cooling fin centers on formation.

3. the LED bulb with multi-direction projection according to claim 1 is characterized in that: the mesopore of described heat-conductive assembly is a through hole.

4. the LED bulb with multi-direction projection according to claim 1 is characterized in that: the mesopore of described heat-conductive assembly is a blind hole.

5. the LED bulb with multi-direction projection according to claim 1 is characterized in that: the bared end of described heat-conductive assembly is one to have the polygon frustoconical bevel of a polygon inclined-plane and an end face.

6. the LED bulb with multi-direction projection according to claim 1 is characterized in that: described heat-conductive assembly is to adopt the close-fitting structure and embed the mesopore that is incorporated into heat conducting base.

7. the LED bulb with multi-direction projection according to claim 1 is characterized in that: described heat-conductive assembly is a heat pipe.

8. the LED bulb with multi-direction projection according to claim 1 is characterized in that: described heat-conductive assembly is a bronze medal post or a copper pipe.

9. the LED bulb with multi-direction projection comprises: a lampshade, a heat conducting base, complex cooling fin, a heat-conductive assembly and a plurality of LED luminescence component; It is characterized in that:

This heat conducting base is an aluminium matter heat conducting base, and the one end is one-body molded and have a heat-conductive assembly, and is peripheral and around in conjunction with complex cooling fin;

This heat-conductive assembly is shaped in the upper end of aluminium matter heat conducting base, and its bared end has a plurality of inclined-planes and an end face, and on each inclined-plane and end face attach respectively in conjunction with one or more LED luminescence component;