CN2713301Y

CN2713301Y - Spotlight radiator and spotlight

Info

Publication number: CN2713301Y
Application number: CNU200420071013XU
Authority: CN
Inventors: 苏国棻
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-07-01
Filing date: 2004-07-01
Publication date: 2005-07-27
Anticipated expiration: 2014-07-01

Abstract

The utility model belongs to the technical field of illumination and solves the problem of the existing projecting lamp that in order to enhance the brightness, the power of an LED light emitting lamp needs to be increased and generated heat damages the LED light emitting lamp or burns out a lamp body, so that the safe specification of electric appliances is changed. A spot lamp heat radiator is formed by that a metal ring wall 1 is arranged on a metal bottom face 2, a heat radiating fin 3 is arranged on the metal ring wall 1, and an electrically connected through hole 4 which can lead out a light emitting diode is arranged on the metal bottom face 2. A spot lamp is provided with a light emitting diode 9 on the front face of the metal bottom face 2 of the spot lamp heat radiator 8, a light condensing cover 10 which is fixed on the metal ring wall 1 is arranged on the light emitting diode 9, and a base 11 is arranged on the back face of the metal bottom face 2. The light emitting diode is installed on the metal bottom face, so that generated heat can be conducted to the metal ring wall through the metal bottom face and then is emitted into the air. The main heat radiating part of the spot lamp is arranged in the spot lamp heat radiator, and the connecting part of a power supply is arranged on the base to form a suspension part which is favorable for heat radiation.

Description

Spotlight radiator and spotlight

Technical field

The utility model belongs to lighting technical field.

Background technology

In the patent No. 03224283.2, name is called in the Chinese patent literature of Focusing projective light has introduced a kind of Focusing projective light, comprise lamp housing, end at lamp housing is provided with snoot, in lamp housing, be provided with the LED electroluminescent lamp, described snoot is a transparent body, the described transparent body back side is parabolic for going in ring, described transparent body front is the plane, be provided with a shrinkage pool at paraboloidal round dot place, described LED electroluminescent lamp is arranged on the shrinkage pool place, the luminous lamp base of described LED and be arranged between the lamp housing afterbody top electrode housing and be provided with DC-to-dc change-over circuit plate.Its shortcoming is to work as in order to improve brightness of illumination, need to increase LED electroluminescent lamp power, can produce bigger heat this moment, and this heat can't be discharged in prior art Focusing projective light structure, the LED electroluminescent lamp is damaged easily or lamp housing burns, cause electrical equipment safety requirements change and do not reach standard.

Summary of the invention

The purpose of this utility model is to provide a kind of being suitable for can ccontaining LED light emitting diode and the spotlight radiator that uses for spotlight of snoot.

Another purpose of the present utility model is to utilize above-mentioned spotlight radiator, and a kind of spotlight that is suitable for installing great power LED light emitting diode and snoot is provided.

For realizing the purpose of this utility model, described spotlight radiator is to be provided with the metal ring wall on the metal bottom surface, and described metal ring wall is provided with fin, and the metal bottom surface is provided with the through hole that can make the light emitting diode pass-out.

When light emitting diode was installed on the metal bottom surface, the heat energy of its generation can conduct on the metal ring wall by the metal bottom surface, be dispersed in the air by the metal ring wall, and snoot can be fixed on the metal ring wall.The spotlight radiator is that a radiator is equivalent to lamp housing again half.

For realizing another purpose of the present utility model, described spotlight is to be provided with light emitting diode on the front of the metal bottom surface of above-mentioned spotlight radiator, being provided with the snoot that is fixed on the metal ring wall on the described light emitting diode, on the back side of described metal bottom surface, be provided with base.

Owing to adopted above-mentioned spotlight radiator, make the shell of spotlight be divided into two parts, the first half is the spotlight radiator, the latter half is a base, main heating part is placed the spotlight radiator, and the coupling part of power supply is arranged on the base, form the part that suspends and be easy to heat radiation, standing part is used to connect the structure of power supply, is suitable for installing great power LED light emitting diode and snoot.

Description of drawings

The drawing of accompanying drawing is described as follows:

Fig. 1 is the structure chart of the utility model spotlight radiator.

Fig. 2 is the upward view of Fig. 1.

Fig. 3 is the vertical view of Fig. 1.

Fig. 4 is the stereogram of the utility model spotlight radiator.

Fig. 5 is the stereogram after the reversing up and down of Fig. 4.

Fig. 6 is wherein a kind of structure chart of the utility model spotlight.

Fig. 7 is the wherein another kind of structure chart of the utility model spotlight.

Fig. 8 is the third structure chart of the utility model spotlight.

Fig. 9 is a snoot upward view among Fig. 8.

Figure 10 is a snoot vertical view among Fig. 8.

Figure 11 is a cover side view among Fig. 8.

Figure 12 is a cover upward view among Fig. 8.

Below in conjunction with accompanying drawing, the specific embodiment of utility model spotlight radiator and spotlight is described in further detail:

As shown in Fig. 1～5, utility model spotlight radiator is comprised metal ring wall 1, metal bottom surface 2, fin 3 is electrically connected through hole 4, outer fixed via 5, interior fixed via 6, side through hole 7.

Metal bottom surface 2 is an overall structure with metal ring wall 1, can be by annotating the aluminium moulding.Fin 3 is also to be into overall structure with metal ring wall 1, and one-shot forming in annotating the aluminium forming process respectively has 21 on the inside and outside wall of metal ring wall 1.Metal bottom surface 2 is provided with 2 and is electrically connected through holes 4, when on metal bottom surface 2, light emitting diode being installed, can allow 2 pins of light emitting diode pass to be electrically connected through hole 4 and pass-out to the outside of spotlight radiator, be used for being connected with power supply.

Described fin 3 is arranged on the outside of metal ring wall 1, can increase the area of dissipation of metal ring wall 1 outer surface, is convenient to make the heat that gathers on the metal ring wall 1 to external diffusion.

Described fin 3 is arranged on the inboard of metal ring wall 1, can increase the area of dissipation of metal ring wall 1 inner surface, is convenient to absorb heat that metal ring wall 1 inner chamber gathers to metal ring wall 1.

Described metal ring wall 1 is provided with the outer fixed via 5 of up/down perforation, and outer fixed via 5 has 3, is equilateral triangle and distributes, and is convenient to be connected with external component, and outer fixed via 5 is arranged in the middle of the fin 3.

Described metal bottom surface 2 is provided with the interior fixed via 6 of perforation, and interior fixed via 6 has 3, is equilateral triangle and distributes, and is convenient to be connected with external component.

Described metal ring wall 1 is provided with side through hole 7, side through hole 7 is arranged on metal ring wall 1 and 2 junctions, metal bottom surface, side through hole 7 has three, be equilateral triangle and distribute, when temperature is too high in the metal ring wall 1, on the one hand by conducting in metal ring wall 1 and the heat on the metal bottom surface 2, heat energy is diffused into fin 3, by the convection current of air, the thermal energy conduction on the fin 3 is dissipated to air on the other hand, form the cross-ventilation cooling system.

Spotlight described in the utility model comprises aforesaid spotlight radiator 8 as shown in Fig. 6～8, light emitting diode 9, snoot 10, base 11, voltage conversion circuit plate 12, insulating barrier 13 screws 14, cover 15, lid post 16, cover fixed screw 17.

Because the luminescent wafer of large-power light-emitting diodes 9 is produced on the substrate, on the front of the metal bottom surface 2 of above-mentioned spotlight radiator 8, be provided with light emitting diode 9, substrate is posted on metal bottom surface 2.The center of snoot 10 is located on the light emitting diode 9, and its periphery is fixed on the metal ring wall 1.Be provided with base 11 on the back side of described metal bottom surface 2, base 11 is to be fixed on the metal bottom surface 2 by the screw 14 that passes interior fixed via 6.

Described snoot 10 end faces are provided with the cover 15 on the outer fixed via 5 that is fixed on spotlight radiator 8.Cover 15 is structure in the form of a ring, extends cover post 16 on it, and cover post 16 inserts in the outer fixed via 5 fixing.Can also be screwed into cover fixed screw 17 from outer fixed via 5, cover 15 is securely fixed on the spotlight radiator 8.

Because this spotlight radiator 8 has good heat sinking function, is provided with 3 snoots 10 therein, corresponding metal bottom surface 2 is provided with 3 large-power light-emitting diodes 9, as shown in Fig. 8～12.As required, the snoot 10 and the light emitting diode 9 of many correspondences can be set in spotlight radiator 8, form the large-scale shot-light of many bright spots, have power saving, long service life, volume is little, and is convenient to realize the advantage that pointwise control is lighted.Along with increasing of light emitting diode 9 quantity, the volume of corresponding spotlight radiator 8 can suitably increase,

Be provided with voltage conversion circuit plate 12 in the described base 11, the power conversion of external different voltages can be become adapt to the operating voltage that light emitting diode adapted to, as converting alternating voltage to DC voltage, perhaps higher DC voltage is converted to the operating voltage of suitable light emitting diode, this is a prior art, does not repeat them here.Be provided with insulating barrier 13 between described voltage conversion circuit plate 12 and the metal bottom surface 2, the heat that can separate on the metal bottom surface 2 reaches in the base 11 on the one hand, can also make voltage conversion circuit plate 12 and spotlight radiator 8 isolated on the other hand, improve the security of electricity consumption.Base 11 is provided with bayonet cap 19, as shown in Fig. 7,6 or screw type lamp holder 19, as shown in Figure 6.

Described metal ring wall 1 is provided with ring-shaped step 16, is convenient to ccontaining fixedly snoot 10.About snoot can be 02248356.X with reference to selecting the patent No. for use, and name is called the snoot of the Chinese patent literature introduction of snoot.

Claims

1. a spotlight radiator is characterized in that being provided with metal ring wall (1) on metal bottom surface (2), and described metal ring wall (1) is provided with fin (3), and metal bottom surface (2) are provided with the electrical connection through hole (4) that can make the light emitting diode pass-out.

2. spotlight radiator according to claim 1 is characterized in that described fin (3) is arranged on the outside of metal ring wall (1).

3. spotlight radiator according to claim 1 is characterized in that described fin (3) is arranged on the inboard of metal ring wall (1).

4. according to claim 1,2 or 3 described spotlight radiators, it is characterized in that described metal ring wall (1) is provided with the outer fixed via (5) of up/down perforation.

5. according to claim 1,2 or 3 described spotlight radiators, it is characterized in that described metal bottom surface (2) is provided with the interior fixed via (6) of perforation.

6. according to claim 1,2 or 3 described spotlight radiators, it is characterized in that described metal ring wall (1) is provided with side through hole (7).

7. spotlight radiator according to claim 4 is characterized in that described metal ring wall (1) is provided with side through hole (7).

8. spotlight, it is characterized in that on the front of the metal bottom surface (2) of described any one the spotlight radiator (8) of claim 1～7, being provided with light emitting diode (9), being provided with the snoot (10) that is fixed on the metal ring wall (1) on the described light emitting diode (9), on the back side of described metal bottom surface (2), be provided with base (11).

9. spotlight according to claim 8 is characterized in that described base (11) is to be fixed on the metal bottom surface (2) by the screw (14) that is passed by interior fixed via (6).

10. spotlight according to claim 8 is characterized in that described snoot (10) end face is provided with the cover (15) on the outer fixed via (5) that is fixed on spotlight radiator (8).

11. according to Claim 8,9 or 10 described spotlights, it is characterized in that being provided with in the described base (11) voltage conversion circuit plate (12).

12. spotlight according to claim 11 is characterized in that being provided with insulating barrier (13) between described voltage conversion circuit plate (12) and metal bottom surface (2).

13. according to Claim 8,9 or 10 described spotlight radiators, it is characterized in that described metal ring wall (1) is provided with ring-shaped step (16).