CN208817124U - A kind of LED bulb - Google Patents

Abstract

The utility model discloses a kind of LED bulbs, comprising: lamp plate；Radiator, the lamp plate are arranged on the radiator；Lamp housing, the radiator are nested in inside the lamp housing.The utility model is by the way that lamp plate to be arranged on a heat sink, and the heat dissipation for comprehensively considering the choice of material to radiator and lamp housing, radiator and lamp housing is promoted, the distribution of lamp bead, the transmission efficiency of heat is improved, the luminous flux for increasing lamps and lanterns is held time, to improve the usage experience of lamps and lanterns.

Description

A kind of LED bulb

Technical field

The utility model relates to field of illuminating lamps, in particular to a kind of LED bulb.

Background technique

With the development of society, demand of the people to high-power light-emitting device is increasing, however high-power bulb is kept Long-term stable work needs to carry out good heat dissipation, causes the operating temperature of light bulb excessively high if heat dissipation is bad, Jin Erying Ring luminescent properties.The luminous flux that heat dissipation problem directly affects existing lamps and lanterns is held time, and illuminating effect is influenced.

Therefore, the light bulb that how providing one kind can more efficiently radiate is that those skilled in the art need to solve at present Important technological problems certainly.

Utility model content

The purpose of the utility model is to provide a kind of LED bulb, which can be realized high efficiency and heat radiation.

In order to solve the above technical problems, the utility model provides a kind of LED bulb, comprising: lamp plate；Radiator, the lamp Plate is arranged on the radiator；Lamp housing, the radiator are nested in inside the lamp housing.

Further, the material of the lamp plate is aluminium, and the periphery of the lamp plate is scattered at least one lamp bead, and lamp bead is spread Be conducive to the transmitting of heat in lamp plate periphery.

Further, the lamp bead includes glory lamp bead and white light lamp bead, the glory lamp bead and the white light lamp bead phase Between arrange, wherein glory lamp bead includes red, green, blue lamp bead, and the arrangement of lamp bead can be changed according to specifically used scene Become, such as: red, red, blue, green, white.

Further, the radiator is in tubbiness, and the upper surface of the tubbiness radiator is laid with the lamp plate, lamp plate and is dissipated Hot device is in close contact to radiate, and the end of the tubbiness radiator is connect with the lamp housing by buckling or being screwed.

Preferably, the tubbiness radiator is in ladder tubbiness, the heat dissipation area of radiator can be further increased, heat is made Amount can be transmitted preferably.

Or it is further, the radiator is in bowl-shape, the upper surface laying lamp plate of the bowl-shape radiator, lamp plate It is in close contact with radiator to radiate, the end of the bowl-shape radiator and the lamp housing pass through buckle or the company of being screwed It connects.

Further, the radiator uses aluminium sheet punch forming or rotary press modelling.

Further, the radiator upper side is provided with protrusion, is provided on the lamp plate and matches with the protrusion Hole, the radiator connect by the protrusion with the lamp plate riveted.

Alternatively, further, the lamp plate is fixed by screws on the radiator, the lamp plate and the radiator It is fixed on the lamp housing by the screw.

Further, lamp housing is internally provided with driving power, and the driving power top is provided with communication board, the communication Plate is connect by arranging needle with the driving power.

Further, the radiator is equipped with the second through-hole, and the lamp plate is equipped with and the second lead to the hole site phase Corresponding first through hole, the position that the first through hole is corresponded on the lamp plate are welded with pinboard, set on the pinboard There is strip-shaped hole, the communication board sequentially passes through second through-hole, first through hole, and the driving power sequentially passes through described second Through-hole and the strip-shaped hole, and the driving power connect to power for lamp plate with the pinboard by arranging needle.

Preferably, the lamp housing includes interior aluminum hull and outer plastic housing, the interior aluminum hull is set in inside the outer plastic housing, and It is fixedly connected with the outer plastic housing by injection molding, to reduce the stabilization that heat transfer resistance guarantees whole modulated structure.

Further, the interior aluminum hull is connect with the radiator, convenient for radiator heat transfer to the lamp housing.

Preferably, being filled with heat-conducting medium in the chamber that the lamp housing and the radiator are formed, which can Using heat conductive silica gel, the heat for generating driving power is conducted to lamp housing.

Further, which further includes translucent cover and lamp cap, and the translucent cover engages with the lamp housing top, the lamp Shell bottom is connect by screw thread or other modes with the lamp cap.

The utility model is mentioned by comprehensively considering the heat dissipation of the choice of material to radiator and lamp housing, radiator and lamp housing It rises, the distribution of lamp bead, improves the transmission efficiency of heat, the luminous flux for increasing lamps and lanterns is held time, to improve lamps and lanterns Usage experience.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the overall structure diagram of LED bulb provided by a kind of specific embodiment of the utility model；

Fig. 2 is a kind of explosive view of the embodiment of LED bulb shown in Fig. 1；

Fig. 3 is a kind of schematic cross-section of LED bulb shown in Fig. 1；

Fig. 4 is the overall structure diagram of LED bulb provided by the utility model another kind specific embodiment；

Fig. 5 is a kind of explosive view of the embodiment of LED bulb shown in Fig. 4；

Fig. 6 is a kind of schematic cross-section of LED bulb shown in Fig. 4；

Fig. 7 is the snap-in structure schematic diagram of LED bulb provided by a kind of specific embodiment of the utility model.

Wherein:

1- translucent cover；11- button bit two；2- lamp plate；21- pinboard；22- first through hole；23- lamp bead；3- radiator；31- Protrusion；4- driving power；5- lamp housing；Aluminum hull in 51-；The outer plastic housing of 52-；53- button bit one；6- lamp cap；7- communication board；8- screw； 9- heat-conducting medium.

Specific embodiment

The core of the utility model is to provide a kind of LED bulb, which can be realized high efficiency and heat radiation.

In order to make those skilled in the art better understand the scheme of the utility model, with reference to the accompanying drawing and specific implementation The utility model is described in further detail for mode.

Please refer to figs. 1 to 4, and Fig. 1 is the whole knot of LED bulb provided by a kind of specific embodiment of the utility model Structure schematic diagram, Fig. 2 are the explosive view of LED bulb provided by a kind of specific embodiment of the utility model, and Fig. 3 is that this is practical new The schematic cross-section of LED bulb provided by a kind of specific embodiment of type；Fig. 4 is the utility model another kind specific embodiment party The overall structure diagram of LED bulb provided by formula, Fig. 5 are provided by the utility model another kind specific embodiment The explosive view of LED bulb, Fig. 6 are the schematic cross-section of LED bulb provided by the utility model another kind specific embodiment； Fig. 7 is the snap-in structure schematic diagram of LED bulb provided by a kind of specific embodiment of the utility model.

In a specific embodiment, a kind of LED bulb provided by the utility model, comprising: lamp plate 2；Radiator 3, institute Lamp plate 2 is stated to be arranged on the radiator 3；Lamp housing 5, the radiator 3 are nested in inside the lamp housing 5.

LED bulb in the present embodiment is by being arranged lamp plate 2 on radiator 3, and radiator 3 and 5 company of contact of lamp housing It connects, the heat for generating lamp plate 2 when working is passed by radiator 3 and lamp housing 5, so that the luminous flux of lamps and lanterns added to maintain Time, to improve the usage experience of lamps and lanterns.

Further, the material of the lamp plate 2 is aluminium, and the periphery of the lamp plate 2 is scattered at least one lamp bead 23, lamp bead 23 are dispersed in the transmitting that 2 periphery of lamp plate is conducive to heat.

Further, the lamp bead 23 includes glory lamp bead and white light lamp bead, the glory lamp bead and the white light lamp bead Interphase distribution, so that light tone is softer.Wherein, glory lamp bead includes red, green, blue lamp bead, and the arrangement of lamp bead can It is changed according to specifically used scene, to promote user experience, such as: red, red, blue, green, white.

Further, as shown in Figures 4 and 5, the radiator 3 is in tubbiness, the upper surface of the end face of the tubbiness radiator 3 It is laid with the lamp plate 2, lamp plate 2 is in close contact with radiator 3 to radiate, the end of the tubbiness radiator 3 and the lamp housing 5 It is fixedly connected by modes such as buckle or screw threads.

Preferably, the tubbiness radiator 3 is in ladder tubbiness, the thermal contact conductance face of radiator 3 can be further increased Product promotes heat transfer efficiency.

Or it is further, as illustrated in fig. 1 and 2, the radiator 3 in bowl-shape, the end face of the bowl-shape radiator 3 it is upper Surface is laid with the lamp plate 2, lamp plate 2 and the close contact of radiator 3 to radiate, the end of the bowl-shape radiator 3 with it is described Lamp housing 5 passes through buckle or the connection that is screwed.

Further, the radiator 3 uses aluminium sheet punch forming or rotary press modelling, and it is convenient, high that not only the processing is simple Effect, and aluminium is more advantageous to lamp plate heat dissipation.

Further, 3 upper surface of radiator is provided with protrusion 31, is provided with and described raised 31 on the lamp plate 2 The hole matched, the radiator 3 are connect by described raised 31 with 2 riveted of lamp plate.

Alternatively, further, the lamp plate 2 is fixed on the radiator 3 by screw 8, the lamp plate 2 and described is dissipated Hot device 3 is fixed on the lamp housing 5 by the screw 8.

In the embodiments of the present invention, using protrusion and hole cooperate by the way of or screw, lamp plate 2 and radiator 3 are consolidated Fixed connection not only improves the heat dissipation of lamp plate 2, also ensures the stability of fitting structure.

Further, lamp housing 5 is internally provided with driving power 4, and 4 top of driving power is provided with communication board 7, described Communication board 7 is connect by arranging needle with the driving power 4.

Further, the radiator is equipped with the second through-hole, and the lamp plate is equipped with and the second lead to the hole site phase Corresponding first through hole 22, the position that the first through hole 22 is corresponded on the lamp plate are welded with pinboard 21, the switching Plate 21 is equipped with strip-shaped hole, and the communication board 7 sequentially passes through second through-hole, first through hole 22, and the driving power 4 is successively Across second through-hole and the strip-shaped hole, and the driving power 4 is inserted into the pinboard 21 by row's needle thereon The female connection realized with pinboard 21 of row, to power for lamp plate.By using pinboard 21, can both realize driving power 4 with The quick connection of lamp plate, also meets the requirement of safe insulation.

Preferably, the lamp housing 5 includes interior aluminum hull 51 and outer plastic housing 52, the interior aluminum hull 51 is set in the outer plastic housing It inside 52, and is fixedly connected with the outer plastic housing 52 by injection molding, to reduce heat transfer resistance and guarantee the stabilization of whole modulated structure.

Further, the interior aluminum hull 51 is connect with the radiator 3, convenient for radiator 3 heat transfer to the lamp Shell 5.

Preferably, it is filled with heat-conducting medium 9 in the chamber that the lamp housing 5 and the radiator 3 are formed, the heat-conducting medium 9 can be used heat conductive silica gel, and as shown in Fig. 3 or 6, the heat for generating driving power 4 is conducted to lamp housing 5, realize more excellent Heat dissipation performance.

Further, in order to guarantee the safety used and aesthetics, which further includes translucent cover 1 and lamp cap 6, described Translucent cover 1 engages with 5 top of lamp housing.Since button bit 1 and button bit 2 11 are prominent from the basic wall thickness of part, phase Compared with the mode of conventional recess and protrusion, the intensity of two fastening parts ensure that, thus after ensure that whole lamp fastens assembly Intensity.

When specifically used, certain materials with light diffusion are can be used in the translucent cover 1 of the utility model, such as PC material Matter, so that can not observe internal lamp bead 23 from outside, while can pre- protection against electric shock.Translucent cover 1 is with lamp housing 5 specifically using following Mode is connected, and 5 top inner circumferential of lamp housing is provided with the button bit 1 of several protrusions, as shown in fig. 7, being evenly arranged with 3 button bits one 53,1 lower, outer perimeter of translucent cover is provided with button bit two, and the button bit 2 11 is in raised closed hoop, button bit 1 and button bit two 11 cooperations are to realize the connection of translucent cover 1 and lamp housing 5；5 bottom of lamp housing passes through screw thread or other modes and the lamp cap 6 Connection.Since button bit 1 and button bit 2 11 are prominent from the basic wall thickness of part, compared to conventional recess and protrusion Mode, ensure that the intensity of two fastening parts, to ensure that whole lamp fastens the intensity after assembly.

Lamp plate 2 in the utility model using thermally conductive aluminium base plate is easier to, be uniformly placed with above glory lamp bead and White light lamp bead, wherein glory lamp bead includes red, green, blue three primary colours lamp bead, and the lamp bead 23 of different colours can be used alternate It is evenly distributed, so that the light mixing color of whole lamp is more evenly.Meanwhile the lamp bead 23 is arranged at the periphery of lamp plate 2, it can be by heat It is quickly transferred to radiator 3 and lamp housing 5, the round shape for waiting and matching with radiator 3 or whole modulated structure can be used in lamp plate 2.Most It realizes and radiates faster under equal-wattage eventually, so that lamp bead 23 keeps lower operating temperature, so that the luminous flux of lamp It holds time longer.

In the utility model, the connection of lamp plate 2 and radiator 3 can take various ways, as illustrated in fig. 1 and 2, can take 3 upper surface of radiator is provided with protrusion 31, while the hole matched with described raised 31 is provided on lamp plate 2, to radiate Device 3 is connect by described raised 31 with 2 riveted of lamp plate.It can also be used and protrusion is set in 2 lower surface of lamp plate, in radiator 3 It is upper that the hole matched with the protrusion is set, so that radiator 3 be made to connect with 2 riveted of lamp plate.Raised number can for 3,4, 5…….Or as shown in Figures 3 and 4, the lamp plate 2 is pressed on the radiator 3 by screw 8.Further, lamp housing 5 It is internally provided with column, the lamp plate 2 and the radiator 3 are further fixed by the cooperation of the screw 8 and the column On in the lamp housing 5, to realize in the heat transfer to the radiator 3 and lamp housing 5 on lamp plate 2.Or radiator 3 Following side can be also fixedly connected by buckle, screw thread with the lamp housing 5.

Radiator 3 in the utility model uses pure aluminum plate punch forming, and radiator 3 may be designed as ladder tubbiness or bowl Shape can also use different designs according to actual needs, but as make surface area as big as possible as possible, to increase heat transfer efficiency.It borrows Help the excellent heat conductivity performance of aluminium, the heat that lamp plate 2 issues can be quickly transferred to lamp housing 5, and connect with radiator 3 to flowing to The air of touching.

In the utility model, single layer or double-layer structure is can be used in lamp housing 5.As shown in Fig. 2, lamp housing uses double-layer structure, The lamp housing 5 includes interior aluminum hull 51 and outer plastic housing 52, and the interior aluminum hull 51 is set in inside the outer plastic housing 52, and passes through injection molding It is fixed with the outer plastic housing 52.Further, Aluminium Radiator and lamp housing 5 are fixed by using PA material injection molding, are reached Better heat dissipation effect.As shown in figure 5, lamp housing uses single layer structure, the lamp housing uses PBT plastic injection molding, can prevent Product gets an electric shock, while heat generated inside the lamp can be lost in ambient enviroment.

Driving power 4 is provided in lamp housing 5 in the utility model, the top of driving power 4 is connected with logical by row's needle Believe that plate 7, the radiator are equipped with the second through-hole, it is logical that the lamp plate is equipped with corresponding with second lead to the hole site first Hole 22, the position that the first through hole 22 is corresponded on the lamp plate are welded with pinboard 21, and the pinboard 21 is equipped with item Shape hole, the communication board 7 sequentially pass through second through-hole, first through hole 22, and the driving power 4 sequentially passes through described second Through-hole and the strip-shaped hole, and the driving power 4 is realized and is turned by mother row that row's needle thereon is inserted into the pinboard 21 The connection of fishplate bar 21, to power for lamp plate.By using pinboard 21, it can both realize that driving power 4 connected with the quick of lamp plate It connects, also meets the requirement of safe insulation.

In the utility model, it is filled with heat-conducting medium 9 in the chamber that lamp housing 5 and radiator 3 are formed, which can adopt With heat conductive silica gel or other isolation materials with excellent heat conductivity performance, as shown in Fig. 3 or 6, for driving power 4 to be generated Heat conduct to lamp housing 5, realize more excellent heat dissipation performance.

Lamp cap 6 described in the utility model uses general international standard connector, can access alternating current by standard electrical light socket, thus For this product power supply；And the driving power 4 in the utility model is connect by lamp housing 5 with the lamp cap 6, the city for will input Electric alternating current is converted into the controlled direct current that lamp plate 2 can be driven luminous, to be bulb powered.

A kind of LED bulb provided by the utility model is described in detail above.It is used herein specifically a Example is expounded the principles of the present invention and embodiment, this reality that the above embodiments are only used to help understand With novel method and its core concept.It should be pointed out that for those skilled in the art, not departing from this Under the premise of utility model principle, several improvements and modifications can be made to this utility model, these improvement and modification are also fallen Enter in the protection scope of the utility model claims.

Claims (12)

1. a kind of LED bulb characterized by comprising

Lamp plate (2)；

Radiator (3), the lamp plate (2) are arranged on the radiator (3)；

Lamp housing (5), it is internal that the radiator (3) is nested in the lamp housing (5)；

Lamp housing (5) is internally provided with driving power (4), and the radiator (3) is equipped with the second through-hole, is set on the lamp plate (2) There is first through hole (22) corresponding with second lead to the hole site, corresponds to the first through hole (22) on the lamp plate (2) Position be welded with pinboard (21), the pinboard (21) is equipped with strip-shaped hole, and the driving power (4) sequentially passes through described Second through-hole and the strip-shaped hole, and the row that the driving power (4) is inserted into the pinboard (21) by row's needle thereon is female Realize the connection with the pinboard (21).

2. LED bulb as described in claim 1, it is characterised in that: the material of the lamp plate (2) is aluminium, the lamp plate (2) Periphery is scattered at least one lamp bead (23).

3. LED bulb as claimed in claim 2, it is characterised in that: the lamp bead (23) includes glory lamp bead and white light lamp bead, The glory lamp bead and the white light lamp bead interphase distribution.

4. LED bulb as described in claim 1, it is characterised in that: the radiator (3) is in tubbiness, the tubbiness radiator (3) upper surface of end face is laid with the lamp plate (2), and the end and the lamp housing (5) of the tubbiness radiator (3) are fixed to be connected It connects.

5. LED bulb as described in claim 1, it is characterised in that: the tubbiness radiator (3) is in ladder tubbiness.

6. LED bulb as described in claim 1, it is characterised in that: the radiator (3) is in bowl-shape, the bowl-shape radiator (3) upper surface of end face is laid with the lamp plate (2), and the end and the lamp housing (5) of the bowl-shape radiator (3) are fixed to be connected It connects.

7. such as the described in any item LED bulbs of claim 4 to 6, it is characterised in that: radiator (3) upper surface is provided with Raised (31) are provided with the hole matched with raised (31) on the lamp plate (2), and the radiator (3) passes through described convex (31) are played to be fixedly connected with the lamp plate (2)；Or

The lamp plate (2) is fixed on the radiator (3) by screw (8), and the lamp plate (2) and the radiator (3) are logical The screw (8) is crossed to be fixed on the lamp housing (5).

8. LED bulb as described in claim 1, it is characterised in that: driving power (4) top is provided with communication board (7), The communication board (7) connect with the driving power (4).

9. LED bulb as claimed in claim 8, it is characterised in that: the communication board (7) sequentially pass through second through-hole, First through hole (22).

10. LED bulb as described in claim 1, the lamp housing (5) includes interior aluminum hull (51) and outer plastic housing (52), it is described in It is internal that aluminum hull (51) is set in the outer plastic housing (52), and is fixedly connected with the outer plastic housing (52)；

The interior aluminum hull (51) connect with the radiator (3).

11. LED bulb as described in claim 1, it is characterised in that: the chamber of the lamp housing (5) and radiator formation Inside it is filled with heat-conducting medium (9).

12. LED bulb as described in claim 1, it is characterised in that: further include translucent cover (1) and lamp cap (6), the light transmission Cover (1) engages with the lamp housing (5) top, and lamp housing (5) bottom is connect with the lamp cap (6).