CN101929619A - Light-emitting diode (LED) lamp for dissipating heat by directly using lamp shell - Google Patents

Abstract

The invention discloses a light-emitting diode (LED) lamp for dissipating heat by directly using a lamp shell. The LED lamp comprises a copper sheet lamp holder, a reflecting lampshade, a lamp holder base and at least one LED module, wherein the copper sheet lamp holder is a soldering copper sheet and is welded with the heat dissipation part of the LED module and connected with one end of the lamp holder base, and the reflecting lampshade is connected with the copper sheet lamp holder or the lamp holder base so that the three are combined into a whole; and the lamp holder base and the reflecting lampshade are made of heat conducting metal materials. Therefore, the heat generated by the LED module is quickly transferred to the reflecting lampshade and the lamp holder base by the copper sheet lamp holder to reduce heat resistance and enlarge the area directly contacted with the air so that the LED module achieves better heat dissipation effect and more stable operation property, and the weight, volume and cost of the lamp are greatly reduced compared with additional assembly of the traditional lamp and the huge heat dissipation mechanism made of insulating material.

Description

Directly utilize the led lamp of lamp outer casing heat radiation

Technical field

The invention relates to led lamp, especially refer to a kind of heat that light emitting diode produced via the conductive force of a heat-conducting plate, can being passed on reflection lampshade and the lamp socket apace, dispelling the heat, and then improve the light fixture of radiating efficiency by the large tracts of land that reflection lampshade and lamp socket were had.

Background technology

Along with the environmental protection subject under discussion is paid attention to by people gradually, people are choosing on the standard of many products, begun energy-conservation, factors such as environmental protection are taken into account, because light emitting diode (Light-EmittingDiode, abbreviation LED) has power saving, long service life reaches the characteristics that do not contain noxious materials such as mercury element, and in the light source light spectrum that light emitting diode produced, do not contain ultraviolet ray or infrared ray, therefore, utilize the light fixture of light emitting diode, the light that it projected as light source, do not have problems such as producing heat or radiation, so more and more dissimilar light fixtures begin to utilize light emitting diode as main light emitting source.General speech, light emitting diode is in the application of light fixture, mainly divide into illumination and show (as backlight module) two big classes, single with regard to illumination section, because the light that light emitting diode produced has very strong directionality, the light angle that makes it project is less, therefore, in recent years, many light fixtures or light emitting diode manufacturer are at foregoing problems, light-emitting diode structure is improved, and design light emitting diode with big crevice projection angle, perhaps by the overall architecture of change light fixture, and with the light of light emitting diode, with bigger angle, projection is gone out.

Hold, though light emitting diode is as the main flow of illuminations, be a kind of trend, but because the luminous efficiency of light emitting diode is to be directly proportional with the heat that itself produces, meaning is the high more light emitting diode of brightness, the heat that is produced also can be high more, in addition, because too high heat not only causes light emitting diode to damage easily, more can make and utilize the light fixture of light emitting diode as light emitting source, under the behaviour in service of long-time and high heat, quicken the degree of aging of itself, and seriously shorten service life of light fixture, therefore, the radiator structure of light emitting diode itself just becomes a very important problem.General speech; traditional light emitting diode is after encapsulation; all can install an external radiating part more separately; with can be with the heat of self; dispel the heat by this external radiating part; see also shown in Figure 1; be to be the sectional schematic diagram of traditional light-emitting diode (LED) module 1 after encapsulation is dispatched from the factory; this light-emitting diode (LED) module 1 comprises a load bearing seat 11; one LED crystal particle (Die) 12; one lens 13 and a radiating part 14 (HeatSink); this load bearing seat 11 is to be electrically non-conductive material; its end face is provided with a groove 110; 12 of this LED crystal particles are in this groove 110; and with two conductive connecting pins 113; 114 are connected; described conductive connecting pin 113; 114 can pass respectively this load bearing seat 11 and with a circuit board 16 on just; negative contacts is connected; with when this circuit board 16 operates; can provide this LED crystal particle 12 required electric current; these lens 13 are to cover this groove 110 fully; and make this LED crystal particle 12 have bigger crevice projection angle; 14 positions of this radiating part are in the bottom of this load bearing seat 11; and passing this load bearing seat 11 contacts with this LED crystal particle 12; be passed to this radiating part 14 with the heat that this LED crystal particle 12 can be produced; because this radiating part 14 exposes to extraneous part and few; therefore; the dealer can additionally assemble an external radiating part 2 in this light-emitting diode (LED) module 1 bottom usually; with the heat that LED crystal particle 12 can be produced; be dissipated in the air apace; see also Fig. 1; shown in Fig. 2 A and Fig. 2 B; the dealer normally is coated with a heat conduction viscose glue 18 in radiating part 14 bottoms of this light-emitting diode (LED) module 1; be connected to again on this external radiating part 2; the volume of this external radiating part 2 is usually much larger than this light-emitting diode (LED) module 1; and can be provided with a plurality of fins 21 on it; to increase the area that contacts with air; so can be apace self heat be dissipated in the air; thus; because the radiating effect of this external radiating part 2 is higher; make that the temperature of itself can be low than this radiating part 14 and this LED crystal particle 12; therefore; can constantly absorb the heat on this radiating part 14 and this LED crystal particle 12, and then prolong the service life of this LED crystal particle 12.

Only, see also again shown in Fig. 2 A and Fig. 2 B, for guaranteeing that external radiating part 2 has high radiating effect, so must increase the contact area of itself and air, heat could be exhaled apace, when volume bigger object and the less object of volume, when all desire improves the temperature of 1 degree, the heat that object absorbed that volume is bigger can be higher than the less object of volume surely, therefore, the external radiating part 2 of the aspect of a plurality of fins 21 and large volume, become current trend, but aforementioned features, not only can cause light fixture dealer's production cost high, and when the dealer utilizes this light-emitting diode (LED) module 1 and this external radiating part 2 to be made into light fixture, still must reserve bigger space, for holding this external radiating part 2, make that the overall volume of light fixture is excessive, and be subject to the volume of external radiating part 2, also can cause being difficult for designing light fixture outward appearance with aesthetic feeling, so, how have the light fixture of light-emitting diode (LED) module, carry out structural improvement, effectively to address the above problem at tradition, and significantly promote the radiating efficiency of light-emitting diode (LED) module, promptly become each manufacturing at present, the dealer of design lamps desires most ardently an important topic of solution.

Summary of the invention

Because traditional light-emitting diode (LED) module; for reducing it when working; the heat that is produced; usually can add and load onto external radiating part; therefore; the dealer is when making lampshade and lamp socket; the a large amount of space of essential reservation; so that the external radiating part on the light-emitting diode (LED) module can be installed; so, the cost that not only can cause dealer's overspending is on external radiating part, and the overall volume of light fixture can be excessive because of external radiating part; so be difficult for designing light fitting shape attractive in appearance; therefore, the inventor is through the permanent research and experiment of making great efforts, and development and Design goes out a kind of led lamp that directly utilizes the lamp outer casing heat radiation of the present invention finally; in the hope of by appearance of the present invention, and can effectively solve foregoing problems.

A purpose of the present invention, provide a kind of led lamp that directly utilizes the lamp outer casing heat radiation, comprise one first heat-transfer device, one second heat-transfer device, at least one light-emitting diode (LED) module and one the 3rd heat-transfer device, and this second heat-transfer device can be thermal conductive metallic material and makes, for the user when using this led lamp, respectively this light-emitting diode (LED) module is because of the luminous heat that produces, can be passed on this second heat-transfer device by this first heat-transfer device, and dispel the heat, wherein be formed with an accommodation space in this second heat-transfer device, respectively this light-emitting diode (LED) module energy position is in this accommodation space, and with ray cast to the formed optically focused reflecting surface of this second heat-transfer device inwall, and then reflex to outside this second heat-transfer device, in addition, this first heat-transfer device is to be made by thermal conductive metallic material, and be fixed to the bottom of this second heat-transfer device, perhaps be fixed in an end of the 3rd heat-transfer device, it is to be connected with the radiating part of this light-emitting diode (LED) module bottom respectively, can transmit the heat that respectively this light emitting diode was produced, moreover, the 3rd heat-transfer device is to interconnect with this second heat-transfer device, make this first heat-transfer device, second heat-transfer device and the 3rd heat-transfer device can be combined into a lamp outer casing, so, the dealer promptly needn't be as traditional led lamp, need the space of the external radiating part of extra planning light-emitting diode (LED) module, so the overall volume that can significantly reduce led lamp, and because led lamp of the present invention, be to dispel the heat by lampshade, therefore, the dealer does not need the external radiating part of extra installation on light emitting diode, so can reduce the cost that the dealer produces light fixture.

Description of drawings

Can do further understanding and understanding to the object of the invention, technical characterictic and effect thereof for ease of the auditor,, be described in detail as follows below in conjunction with the embodiment conjunction with figs., wherein:

Fig. 1 is the sectional schematic diagram of traditional light-emitting diode (LED) module;

Fig. 2 A is the outside drawing that traditional light-emitting diode (LED) module installs external radiating part additional;

Fig. 2 B is another outside drawing that traditional light-emitting diode (LED) module installs external radiating part additional;

Fig. 3 is one embodiment of the invention;

Fig. 4 is the sectional schematic diagram of one embodiment of the invention;

Fig. 5 is an another embodiment of the present invention; And

Fig. 6 is an another embodiment of the present invention.

The specific embodiment

The present invention provides a kind of led lamp that directly utilizes the lamp outer casing heat radiation, it mainly is shortcoming at traditional led lamp, carry out improvement design, because conventional lamp is for can improve the radiating efficiency of itself, tend on light-emitting diode (LED) module, install additional external radiating part, so can cause the volume of light fixture integral body excessive, therefore, the present invention is the heat dissipation path at light-emitting diode (LED) module, and the necessary condition of light fixture designs, to reach the overall volume of reduction led lamp, and significantly promote the radiating efficiency of light-emitting diode (LED) module, see also shown in Figure 3, major technique feature of the present invention, the radiating part that is the bottom of a light-emitting diode (LED) module 34 can be welded on the one first heat-transfer device 32A (as: copper sheet lamp socket), after making that these light-emitting diode (LED) module 34 beginnings are luminous, the heat of its generation can be passed on this first heat-transfer device 32A, again, when one second heat-transfer device 31A (as: reflection lampshade) and one the 3rd heat-transfer device 33A (as: lamp socket base) interconnect when being integral, this first heat-transfer device 32A can be connected with this second heat-transfer device 31A and the 3rd heat-transfer device 33A, make the heat on this first heat-transfer device 32A can be passed on this second heat-transfer device 31A or the 3rd heat-transfer device 33A, because the volume of this second heat-transfer device 31A or the 3rd heat-transfer device 33A is bigger, and the contact area of itself and air is also bigger, so can be fast self heat be dissipated in the air, so, this led lamp 3 can dispel the heat by the existing element of utilization itself, and do not need on light-emitting diode (LED) module 34, to install additional external radiating part, to reduce dealer's production cost, and the dealer is when the appearance and modeling of design lamps, also needn't consider to reserve the space of external radiating part, it is more attractive in appearance to make the dealer design, neat light fixture outward appearance.

Hold, for clearly disclosing the technical characterictic of this case, in follow-up explanation, be to replace first heat-transfer device with the copper sheet lamp socket, reflection lampshade replaces second heat-transfer device, the lamp socket base replaces the 3rd heat-transfer device to be referred to as, in addition, since be familiar with this art personage when can the grasp technical characterictic of the present invention after, utilize other structure, device and connected mode are realized, thereby reach purpose of the present invention, therefore, this case claim should comprise the structure that equates that does not break away from the present invention spirit and scope, and be more clearly to disclose overall technology feature of the present invention, see also Fig. 3 and shown in Figure 4, in a preferred embodiment of the present invention, this led lamp 3 comprises this reflection lampshade 31, this copper sheet lamp socket 32, this lamp socket base 33, at least one light-emitting diode (LED) module 34 and this lead 35, wherein the vertical section of this reflection lampshade 31 is to be the U type, to form one first accommodation space 310 within it, because light-emitting diode (LED) module 34 has now had bigger lighting angle, so, by the formed optically focused reflecting surface of these reflection lampshade 31 inwalls, just the light source that this light-emitting diode (LED) module 34 respectively can be produced, reflex to fully outside this reflection lampshade 31, and the bigger projected area of formation, to reduce the light coefficient of losses of light-emitting diode (LED) module 34, again, the bottom of this reflection lampshade 31 is provided with one first perforate 313, can enter this first accommodation space 310 via this first perforate 313 for this light-emitting diode (LED) module 34, and the outboard peripheries of these reflection lampshade 31 bottoms is provided with external thread structure, in addition, this copper sheet lamp socket 32 is by thermal conductive metallic material (as: aluminium, copper ... etc.) make, which is provided with at least one lead perforation 320, the periphery of this copper sheet lamp socket 32 can recline to the bottom of this reflection lampshade 31, moreover, be formed with one second accommodation space 330 in this lamp socket base 33, its bottom then is provided with one second perforate 331, can enter this second accommodation space 330 via this second perforate 331 for this lead 35 or other necessary element, the inboard periphery at these lamp socket base 33 tops still is provided with female thread structure that should external thread structure, so, by outside this, the effect that screws togather of female thread structure, the top of this lamp socket base 33 is to be connected with the bottom of this reflection lampshade 31, and this copper sheet lamp socket 32 is clamped and fixed between the bottom of the top of this lamp socket base 33 and this reflection lampshade 31, make reflection lampshade 31, copper sheet lamp socket 32 and lamp socket base 33 can be combined into a lamp outer casing, again, in this embodiment, this reflection lampshade 31 all is to use thermal conductive metallic material to make with this lamp socket base 33, only, in other embodiments of the invention, the dealer can be in the luminous efficiency of considering light-emitting diode (LED) module 34, and the heat that can produce of estimating, and only between reflection lampshade 31 and lamp socket base 33, select one of them to utilize thermal conductive metallic material to make, to reduce production costs.

In addition, see also Fig. 3 and shown in Figure 4 again, this light-emitting diode (LED) module 34 is provided in a side of on this copper sheet lamp socket 32, and the light that it sent can be projected on the optically focused reflecting surface in this reflection lampshade 31, to reflect outside this reflection lampshade 31, in this embodiment, the radiating part of these light-emitting diode (LED) module 34 bottoms, be to weld mutually with this copper sheet lamp socket 32 in the mode of melting welding by scolding tin, to strengthen the stability of this light-emitting diode (LED) module 34, avoid in the process of carrying or use, because of bump breaks away from this copper sheet lamp socket 32, again, conductive connecting pin 341 on this light-emitting diode (LED) module 34 is welded onto on this copper sheet lamp socket 32, can receive the electric current that this copper sheet lamp socket 32 is transmitted, moreover, one end of this lead 35 is to be connected with the power supply (not shown), its other end then is divided into two conductive connecting pins 351,352 (promptly just, negative pole), wherein a conductive connecting pin 351 is second perforates 331 of passing this lamp socket base 33, and be connected on this copper sheet lamp socket 32, its 352 of another conductive connecting pin passes this second perforate 331 and this lead perforation 320 in regular turn, and be connected on another conductive connecting pin 342 of this light-emitting diode (LED) module 34, can form current loop, so, this light-emitting diode (LED) module 34 just can receive the electric current that this lead 35 is transmitted, to carry out luminous operation, and when this light-emitting diode (LED) module 34 because of luminous when producing heat, because the contact area of this lamp outer casing and air is big, therefore, the energy quick heat radiating, make that its temperature can be far below the temperature of this light-emitting diode (LED) module 34, make the heat of this light emitting diode module 34 be passed to constantly on the lamp outer casing, to dispel the heat, meaning is that heat can be passed to earlier on this copper sheet lamp socket 32, heat is again via the be reflected part of lampshade 31 and 33 clampings of lamp socket base of this copper sheet lamp socket 32, be passed on this reflection lampshade 31 and the lamp socket base 33, to dispel the heat.

Again, see also Fig. 3 and shown in Figure 4 again, for improving the contact area of copper sheet lamp socket 32 and this reflection lampshade 31 and lamp socket base 33, the vertical section of the bottom of this reflection lampshade 31 is to be the L type, and the vertical section at the top of this lamp socket base 33 can be the L type equally, so, can not only improve the stability of this reflection lampshade 31 and this copper sheet lamp socket 32 of lamp socket base 33 clampings, and can accelerate the conduction of heat, only, in other embodiments of the invention, if because of design, make light-emitting diode (LED) module 34 can't produce excessive heat, then the dealer can make the vertical section of reflection lampshade 31 bottoms be the I type, to save material cost.In addition, because this copper sheet lamp socket 32 is to be made by thermal conductive metallic material, therefore, its surface out-of-flatness or coarse easily, make this reflection lampshade 31 and lamp socket base 33 and this copper sheet lamp socket 32 that can't closely be clamped, make this copper sheet lamp socket 32 because of these reflection lampshade 31 bottoms or lamp socket base 33 tops of closely not reclining, have influence on heat conduction speed, so, the dealer still can be 32 of these reflection lampshade 31 bottoms and copper sheet lamp sockets, coating one heat conduction pad 36, this heat conduction pad 36 is to be made by tool elasticity and the good material (as: heat conductive silica gel) of thermal conductivity, therefore can fit tightly this reflection lampshade 31 bottoms and copper sheet lamp socket 32, except that the overall structure that makes this lamp outer casing is more firm, and can improve the heat conduction speed of copper sheet lamp socket 32, perhaps the dealer can be 32 of these lamp socket base 33 tops and copper sheet lamp sockets, this heat conduction pad 36 of coating also can reach aforementioned effect.

Moreover, except that the assembling mode of previous embodiment, under technical characterictic of the present invention, the assembling mode that other equal framework is still arranged, see also shown in Figure 5, in another embodiment, this led lamp 4 comprises a reflection lampshade 41, one copper sheet lamp socket 42, one lamp socket base 43, an at least one light-emitting diode (LED) module 44 and a lead 45, wherein this reflection lampshade 41 has one first accommodation space 410, its bottom is provided with one first perforate, for increasing the albedo of this reflection lampshade 41, the inwall of this reflection lampshade 41 still is coated with a reflecting layer 414, this reflecting layer 414 can be saturated polynary ester (Polyethylene Terephthalate, abbreviation PET) material is made, again, the vertical section of these reflection lampshade 41 bottoms is to be the L type, and its periphery is provided with at least one first through hole 415 (in this embodiment, be to be example) to be provided with two first through holes 415, in addition, this copper sheet lamp socket 42 is to be made by thermal conductive metallic material, which is provided with at least one lead perforation 420, and the position of corresponding described first through hole 415 of its periphery, be respectively equipped with one second through hole 425, moreover, be formed with one second accommodation space 430 in this lamp socket base 43, its bottom then is provided with one second perforate 431, the vertical section at these lamp socket base 43 tops is to be the L type, and the position of corresponding described first through hole 415 of its periphery, be respectively equipped with one the 3rd through hole 435, so, this reflection lampshade 41, copper sheet lamp socket 42 and lamp socket base 43 can be by at least one Connection Element 47 (as: screws, bolt, rivet ... etc., in this embodiment, be to be example) to be provided with two Connection Elements 47, pass respectively this first through hole 415 respectively, second through hole 425 and the 3rd through hole 435, and with this reflection lampshade 41, copper sheet lamp socket 42 and lamp socket base 43 are combined into a lamp outer casing, make and the heat that this light-emitting diode (LED) module 44 is produced to dispel the heat by this lamp outer casing.

Hold, see also shown in Figure 5 again, one conductive connecting pin 441 of this light-emitting diode (LED) module 44 is to be connected on this copper sheet lamp socket 42, the radiating part of its bottom is to be affixed on this copper sheet lamp socket 42 by a heat conduction viscose glue 443, with the heat that this light-emitting diode (LED) module 44 can be produced, be passed to this copper sheet lamp socket 42, only, the radiating part of light-emitting diode (LED) module of the present invention bottom, and the connected mode between this copper sheet lamp socket, not only be defined as welding or adhesion, and can be alternate manner, it mainly is to be passed on the copper sheet lamp socket for the heat with light emitting diode, dispelling the heat, in addition, one end of this lead 45 is to be connected with power supply, one conductive connecting pin 451 of its other end is to pass this second perforate 431, and be connected to this copper sheet lamp socket 42, another conductive connecting pin 452 of its other end is to pass this second perforate 431 and lead perforation 420 in regular turn, and be connected to another conductive connecting pin 442 of this light-emitting diode (LED) module 44, so, led lamp 4 of the present invention just can be directly by lamp outer casing own, dispel the heat, the dealer promptly needn't be as traditional led lamp, need the space of the external radiating part of extra planning light-emitting diode (LED) module, so can significantly reduce the overall volume of led lamp.

In addition, in further embodiment of this invention, different lamps product design in response to the dealer, this lamp socket base is can be arranged in this reflection lampshade, see also shown in Figure 6, this led lamp 5 comprises a reflection lampshade 51, one copper sheet lamp socket 52, one lamp socket base 53 and at least one light-emitting diode (LED) module 54, wherein this reflection lampshade 51 is to be made by thermal conductive metallic material, and has one first accommodation space 510, can hold the related elements of this led lamp 5, this lamp socket base 53 is to be made by thermal conductive metallic material, the one end is arranged at the bottom of this reflection lampshade 51, and run through this reflection lampshade 51 and this lamp socket base 53 by at least one first Connection Element 57 (as: bolt), make this lamp socket base 53 be fixed on this reflection lampshade 51, again, this copper sheet lamp socket 52 is to be made by thermal conductive metallic material, and be connected with the other end of this lamp socket base 53, and run through this copper sheet lamp socket 52 and this lamp socket base 53 by at least one second Connection Element 58 (as: bolt), and interfixed, to form a lamp outer casing, in addition, the radiating part of the bottom of this light-emitting diode (LED) module 54 is welded onto on this copper sheet lamp socket 52, one conductive connecting pin 541 is welded onto on this copper sheet lamp socket 52, can receive the electric current that this copper sheet lamp socket 52 is transmitted, again, one end of one lead 55 is to be connected with the power supply (not shown), its other end then is divided into two conductive connecting pins 551,552 (promptly just, negative pole), wherein a conductive connecting pin 551 is to pass this reflection lampshade 51, and be connected on this lamp socket base 53, its 552 of another conductive connecting pin passes this reflection lampshade 51, and be connected on another conductive connecting pin 542 of this light-emitting diode (LED) module 54, can form current loop, so, this light-emitting diode (LED) module 54 is at the power supply that receives this lead 55, and begin luminous after, the heat that it produced can be in regular turn via this copper sheet lamp socket 52 and lamp socket base 53, and be passed to this reflection lampshade, and the work of dispelling the heat, because first heat-transfer device of the present invention, connected mode (as: the adhesion to each other of second heat-transfer device and the 3rd heat-transfer device, inlay card, sealed ... etc.) numerous, do not give unnecessary details one by one at this, as long as this first heat-transfer device is can be fixed between this second heat-transfer device and this first heat-transfer device, perhaps be fixed on the 3rd heat-transfer device, the heat of self can be passed on this second heat-transfer device and the 3rd heat-transfer device, be connected mode of the present invention, explanation in advance.

This one carry be, in other embodiments of the invention, if led lamp is to be recessed light fixture, as when being embedded in ceiling or wall, then the dealer also can omit aforesaid the 3rd heat-transfer device (as: lamp socket base), and only be provided with first heat-transfer device (as: copper sheet lamp socket), second heat-transfer device (as: reflection lampshade) and light-emitting diode (LED) module, the outer rim of this first heat-transfer device can be passed through at least one Connection Element, and be connected with the inner edge of this second heat-transfer device, perhaps can utilize welding, inlay card, modes such as clamping, be fixed on this second heat-transfer device, the heat that light-emitting diode (LED) module was produced can be passed on this second heat-transfer device, to dispel the heat, lamp outer casing of the present invention is a recapitulative narration, it is not definiteness first heat-transfer device, second heat-transfer device combines with the 3rd heat-transfer device three's, and can refer to arbitrary element, as long as this element does not belong to light-emitting diode (LED) module, and be the part of lamp outer casing, be lamp outer casing according to the invention, explanation in advance.In addition, the shape of this first heat-transfer device is can be according to dealer's design requirement, and be rectangle, triangle ... etc. difformity, meaning i.e. this first heat-transfer device is not second perforate that can cover the lamp socket base surely fully, or first perforate of reflection lampshade, so, can not be provided with the lead perforation on this first heat-transfer device, and make this lead pass when this led lamp is recessed light fixture (if) via crack between between this first heat-transfer device and lamp socket base or reflection lampshade, perhaps, this lead can be laid along lampshade, need only the required power supply of this lead energy regular supply light-emitting diode (LED) module, be the annexation of lead of the present invention and lamp locker, do not limit the laying mode of lead at this, because reflection lampshade or lamp socket base that the present invention is dispelled the heat, be indispensable element, so the dealer does not need the external radiating part of extra installation on light emitting diode for light fixture, can reach the effect of quick heat radiating, and effectively reduce the cost that the dealer produces light fixture.

Press, the above only is preferred embodiment of the present invention, only; the interest field that the present invention advocated is not limited thereto, and allly is familiar with this technology personage; according to the disclosed technology contents of the present invention, can think easily and equivalence change, all should belong to and not break away from protection category of the present invention.

Claims (8)

1. led lamp that directly utilizes lamp outer casing heat radiation comprises:

One first heat-transfer device is made by thermal conductive metallic material;

One light-emitting diode (LED) module, the radiating part of its bottom is connected on this first heat-transfer device, and the one conductive connecting pin is connected on this first heat-transfer device;

One second heat-transfer device is made by thermal conductive metallic material, and directly contacts this first heat-transfer device; And

One the 3rd heat-transfer device is made by thermal conductive metallic material, and directly contacts this first heat-transfer device, or directly contacts this first heat-transfer device and this second heat-transfer device.

2. the led lamp that directly utilizes the lamp outer casing heat radiation as claimed in claim 1, wherein this first heat-transfer device is a copper sheet lamp socket, this second heat-transfer device is a reflection lampshade, and its bottom is provided with a perforate, so that the light source that this light-emitting diode (LED) module is launched appears, again, the 3rd heat-transfer device is a lamp socket base.

3. the led lamp that directly utilizes the lamp outer casing heat radiation as claimed in claim 2, the outboard peripheries of this second heat-transfer device bottom wherein, be provided with an external thread structure, the inboard periphery at the 3rd heat-transfer device top, be provided with a female thread structure, this external thread structure can be screwed together mutually with this female thread structure, and this first heat-transfer device is held between this second heat-transfer device and the 3rd heat-transfer device.

4. the led lamp that directly utilizes the lamp outer casing heat radiation as claimed in claim 2, wherein this second heat-transfer device bottom and the 3rd heat-transfer device top are by at least one Connection Element, connect, and this first heat-transfer device is held between this second heat-transfer device and the 3rd heat-transfer device.

5. the led lamp that directly utilizes the lamp outer casing heat radiation as claimed in claim 1, wherein this first heat-transfer device is a copper sheet lamp socket, this second heat-transfer device is a reflection lampshade, the 3rd heat-transfer device is a lamp socket base, and the 3rd heat-transfer device is located in the accommodation space of this second heat-transfer device, and makes light source projects that this light-emitting diode (LED) module launches to this second heat-transfer device.

6. the led lamp that directly utilizes the lamp outer casing heat radiation as claimed in claim 5, wherein the bottom of this second heat-transfer device is by at least one first Connection Element, be connected with an end of the 3rd heat-transfer device, this first heat-transfer device is connected with the other end of the 3rd heat-transfer device by at least one second Connection Element.

7. the led lamp that directly utilizes the lamp outer casing heat radiation as claimed in claim 1, wherein this first heat-transfer device is a copper sheet lamp socket, this second heat-transfer device is a reflection lampshade, and its bottom is provided with a perforate, so that the light source that this light-emitting diode (LED) module is launched appears, again, this led lamp need not the 3rd heat-transfer device.

8. the led lamp that directly utilizes the lamp outer casing heat radiation as claimed in claim 7, wherein this first heat-transfer device outer rim and this second heat-transfer device inner edge connect by at least one Connection Element.

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