CN202647387U

CN202647387U - Light-emitting diode (LED) spotlight bulb

Info

Publication number: CN202647387U
Application number: CN2012201442513U
Authority: CN
Inventors: 王春华
Original assignee: Wuhan Nangeer Science & Technology Co Ltd
Current assignee: Wuhan Nangeer Science & Technology Co Ltd
Priority date: 2012-04-09
Filing date: 2012-04-09
Publication date: 2013-01-02
Anticipated expiration: 2022-04-09

Abstract

The utility model belongs to a light-emitting diode (LED) spotlight bulb which is composed of a lamp head, an insulation seat, a casing, a reflection lamp cup, lenses, a printed circuit board (PCB) circuit board with an LED light source and the like. The LED spotlight bulb is characterized in that an inner step of the bulb metal casing is in tight fit with the edge of the reflection lamp cup to form a radiator of a large-power LED light source bulb, perpendicular multi-edge strip-shaped double-sided concave lenses are arranged at the front end of the bulb metal casing, two symmetrical holes are arranged on the outer sides of the double-sided concave lenses, and the whole lamp body can serve as a support for adjusting lighting angles of a spotlight with the two symmetrical holes as axes. The LED spotlight bulb effectively solves the radiation problem of the LED spotlight, reduces light loss of the lenses due to the multi-edge strip-shaped double-sided lenses, improves light projection capacity and penetrability, and can serve as the spotlight bulb and an ordinary energy-saving lamp bulb.

Description

A kind of LED lamp bulb

Technical field

The utility model relates to the LED lighting, specifically a kind of LED lamp bulb.

Background technology

The heat radiation of existing high-power LED light source lamp bubble all is to be undertaken by the heat radiation type shell, and the heat radiation type shell is by hot die-casting molding, and its surface has tens of fin to be perpendicular to the outside radiation shapes of shell edge.Adopt the heat radiation type shell that two defectives are arranged: the one, after it uses certain hour, can the full dust of absorption between the slit between fin and the fin and the radiating effect that arrives subtracts greatly, thus cause the led light source light decay to accelerate and affect service life of LED bulb; The 2nd, the heat radiation type shell is by hot die-casting molding, and used metal material is more, thereby the energy consumption of its production moulding is large, the high and unfavorable energy-saving and emission-reduction of cost.

The irradiating angle that existing LED bulb is adjusted light all adopts single face concavees lens or convex lens, and the light loss of lens is large, and delivery capabilities and the penetration capacity of light are not good enough.

Existing LED bulb is the kind of two different scopes of application from the shot-light bulb.

Summary of the invention

The utility model is the deficiency that exists in order to overcome prior art, proposes a kind of LED lamp bulb.

The technical scheme that the utility model is taked is: a kind of LED lamp bulb, and comprise lamp holder, insulating base, lamp outer casing, reflection Lamp cup, lens and form with the PCB circuit board of led light source, it is characterized in that:

The interior step of bulb metal shell fits tightly the radiator that consists of the high-power LED light source lamp bubble with the edge of reflection Lamp cup, and the front end of bulb metal shell is provided with orthogonal how stupefied strip double concave lens.

There are two symmetrical holes in the described double concave lens outside, and by take these two symmetrical holes as the axle center, whole lamp lamp body becomes the support that shot-light is adjusted the light-illuminating angle.

Characteristics of the present utility model and beneficial effect are:

1) the metal lamp housing and the radiator of reflection Lamp cup as the high-power LED light source lamp bubble that adopt cold punching to produce, level and smooth external structure can not adsorbed full dust and be affected radiating effect, good heat dissipation effect not only, guaranteed the normal service life of LED bulb, its production process energy consumption is low simultaneously, materials are few, are beneficial to energy-saving and emission-reduction.

2) single face concavees lens or the single face convex lens of prior art being adjusted the irradiating angle of led light source light change orthogonal how stupefied strip double concave lens into, the light loss of lens is reduced, thereby delivery capabilities and the penetration capacity of light have been improved, make uniformity and the directionality of light projector better, strengthened brightness of illumination.

3) utilize whole lamp lamp body substituted shot-light fixedly lamp panel raise the metallic support of whole light-illuminating angle and reduced the fixedly cost of lamp panel of shot-light.When making the shot-light bulb and using, two symmetrical holes by the double concave lens outside are installed in shot-light fixedly on the lamp panel with screw with whole lamp lamp body, can two screws be the adjustment that whole light irradiation angle is carried out in the axle center just; When making general electricity-saving lamp bulb and using, can be directly with whole lamp spinning on the screw socket seat, so the utility model is can work as the shot-light bulb to use the kind transboundary that can work as again the use of common energy-saving lamp bulb.

Description of drawings

Fig. 1 is the structural representation of one of the utility model embodiment;

Fig. 2 is the A-A cutaway view of Fig. 1;

Fig. 3 is the embodiment schematic diagram of the utility model when making the shot-light bulb and using.

Number in the figure represents respectively: 1-double concave lens, 2-shell, 3-lamp holder, 4-insulating base, the 5-clear glass, 6-reflects Lamp cup, and 7-is with the PCB circuit board of led light source, 8-rivet, the 9-screw, 10-O RunddichtringO, 11-O RunddichtringO, 12-O RunddichtringO, step in the 13-power supply lead wire, 14-, the interior lens of 15-double concave lens, the outer lens of 16-double concave lens, the 17-symmetrical holes, the 18-shot-light is lamp panel fixedly, the 19-nut bore, 20-screw, 21-spring bracing.

The specific embodiment

The utility model will be further described according to accompanying drawing for the below:

Fig. 1, Fig. 2 are the bulb assembly structure schematic diagrames of one of the utility model embodiment, it is by double concave lens 1, shell 2, lamp holder 3, insulating base 4, clear glass 5, reflection Lamp cup 6, form with the main parts size such as PCB circuit board 7 of led light source, wherein: shell 2 is metal shells, and it loads and protect container and a thermolysis of the parts such as interiors of products circuit; Lamp holder 3 is introduced the power frequency civil power; Insulating base 4 is born lamp holder 3 with shell 2 interconnective effects and is had the safe insulation effect; The outer lens minute surface of clear glass 5 protection double concave lens 1 is not contaminated; Reflection Lamp cup 6 has the heat radiator effect, also has the effect that the diffused light that led light source is sent converts direct light to simultaneously; Device and the led light sources such as power supply of light fixture have been carried in weldering on the PCB circuit board 7, simultaneously by covering Copper Foil and the junction temperature of led light source PN junction can be passed to reflection Lamp cup 6 on it.

The concrete assembly structure of this embodiment is: clear glass 5 connects as one by outer lens 16 frames of technique for sticking and double concave lens; The lamp holder 3 that has welded power supply lead wire 13 is connected with insulating base 4 by the tight fit pressure-riveting process, and the sealing of finishing therebetween by O type circle 10; Insulating base 4 connects as one shell 2 by screw 9 again, the sealing of finishing therebetween by O type circle 11; Reflection Lamp cup 6 has carried the device such as power supply and led light source by rivet 8 or screw and weldering PCB circuit board 7 connects as one; The PCB circuit board that has welded power supply lead wire 13 is packed in the shell 2, this moment reflects the edge of Lamp cup 6 and the interior step 14 of shell is close in one plane, again double concave lens 1 is assemblied on the collar extension of shell 2, make both riveted joints become whole, the sealing of finishing therebetween by O type circle 12 between the two by the tight fit pressure-riveting process.

Led light source PN junction of the present utility model heat radiation heat conducting circuit is described as: led light source on the PCB circuit board is welded, the junction temperature of sending on its PN junction extremely outwards conducts to covering on the Copper Foil of PCB circuit board by the both positive and negative polarity on it and heat radiation, conduct to again reflection Lamp cup 6 outer bottom faces by covering Copper Foil, the continue edge of back reflection Lamp cup 6 and the interior step 14 of shell 2 is close in one plane, the temperature conduction of adsorbing on the reflectoscope cup the most at last is to the metal shell 2 of bulb, and the temperature conduction that shell can will exceed environment leaves to air.Namely the interior step 14 by bulb metal shell 2 fits tightly the radiator that consists of the high-power LED light source lamp bubble with the edge that reflects Lamp cup 6.

The utility model becomes orthogonal how stupefied strip double concave lens 1 with the adjustment refraction of led light source light with Lens Design, and with the front end of its device at shell 2 and reflection Lamp cup 6.The one side of double concave lens 1 is interior lens 15, and another side is outer lens 16, and wherein: interior lens 15 are responsible for refraction and are adjusted and want lighting area length direction light up and down; Outer lens 16 is responsible for refraction and is adjusted the width light of wanting about lighting area.This orthogonal how stupefied strip double concave lens is when adjusting the irradiating angle of led light source light, the matrix curvilinear plane of positive and negative two lens does not intersect, light decomposes betwixt and when reflecting, its process is to finish in the transparent material that consists of lens, and its light loss is less.

Fig. 3 is the embodiment of the utility model when using as the shot-light bulb.It has two symmetrical holes 17 in double concave lens 1 outside, by take these two symmetrical holes 17 as the axle center, whole lamp lamp body is contained in shot-light fixedly on the lamp panel 18, makes whole lamp lamp body become the support that shot-light is adjusted the light-illuminating angle.When the utility model product is done the use of shot-light bulb, shot-light fixedly also has two corresponding symmetrical nut bore 19 on the lamp panel 18, after this two symmetrical nut bore screws in screw 20, head of screw enters in two symmetrical holes 17 in double concave lens 1 outside, can carry out take screw 20 adjustment of spot lamp irradiation angle as the axle center.As the electricity-saving lamp bulb use, can be directly with the lamp holder spinning on the screw socket seat.Therefore the utility model is can work as the shot-light bulb to use the kind transboundary that can work as again the use of common energy-saving lamp bulb.

Claims

1. LED lamp bulb, comprise lamp holder, insulating base, lamp outer casing, reflection Lamp cup, lens and with the compositions such as PCB circuit board of led light source, it is characterized in that: the interior step of bulb metal shell fits tightly the radiator that consists of the high-power LED light source lamp bubble with the edge of reflection Lamp cup, and the front end of bulb metal shell is provided with orthogonal how stupefied strip double concave lens.

2. a kind of LED lamp bulb according to claim 1 is characterized in that there are two symmetrical holes in the described double concave lens outside, and by take these two symmetrical holes as the axle center, whole lamp lamp body becomes the support that shot-light is adjusted the light-illuminating angle.