CN202868421U

CN202868421U - LED down lamp

Info

Publication number: CN202868421U
Application number: CN201320032549XU
Authority: CN
Inventors: 潘家红
Original assignee: ZHONGSHAN COLORFUL LIGHTING CO Ltd
Current assignee: Guangdong Caffer Lighting Technology Co ltd
Priority date: 2013-01-22
Filing date: 2013-01-22
Publication date: 2013-04-10
Anticipated expiration: 2023-01-22

Abstract

The utility model discloses a LED down lamp, the circuit board of the LED luminous body is clung to the bottom of the inner cavity structure, and the radiator is an integrated structure, so that the heat generated by the LED lamp bead can be rapidly spread throughout the whole radiator; in addition, each layer of heat dissipation layer and heat dissipation rib have been set up on the radiator, heat dissipation layer and heat dissipation rib greatly increased with the area of contact of outside air, make the heat on the radiator can carry out the heat exchange of large tracts of land with the outside air, the heat on the quick discharge radiator, the radiating effect ideal effectively prolongs the life of LED down lamp, moreover the utility model discloses simple structure, face ring can transform into various patterns in a flexible way, makes the style of LED down lamp can not become unchangeable and dull, has really realized a LED down lamp that the radiating effect is good, the style is nimble changeable.

Description

A kind of LED Down lamp

Technical field

The utility model relates to the LED lighting field, particularly a kind of LED Down lamp.

Background technology

LED is widely applied on the lighting owing to have various excellent properties, and the application of LED Down lamp is also more and more extensive, and the luminous efficiency of LED Down lamp is high, brightness is strong, energy-conserving and environment-protective.But the heat dissipation problem of LED Down lamp is the outstanding problem that a needs solves, the heat of LED lamp pearl concentrates in the small-sized chip, meeting is so that the chip internal temperature is more and more higher, continuous high temperature not only accelerates light fixture and wears out, reduction of service life, can cause chip to burn when serious, the quality of the radiating effect of LED Down lamp is directly connected to illumination effect and the life-span of light fixture, heat radiation difficult problem for the LED Down lamp, the radiator of LED lamp is multifarious on the market, but most design comparison very complicated and radiating effect is unsatisfactory.In addition, existing LED Down lamp generally is comprised of face ring and lamp body, and the style characteristics of LED Down lamp are mainly reflected on the face ring, and the design of the face ring of existing LED Down lamp is comparatively stiff single, lack novelty, can not satisfy people to the demand of the style-changeable of LED Down lamp.

Therefore, how to realize that a kind of good heat dissipation effect, the flexible and changeable LED Down lamp of style are the technical problems that needs to be resolved hurrily in the industry.

Summary of the invention

Main purpose of the present utility model provides a kind of LED Down lamp, is intended to now a kind of good heat dissipation effect, the flexible and changeable LED Down lamp of style.

The utility model proposes a kind of LED Down lamp, comprise lamp body, be fixed in the face ring of lamp body upper end, lamp body comprises radiator, is embedded at the LED illuminator in the radiator, radiator comprises the housing with inner-cavity structure, some vent ribs that the hull outside wall extends out outward, housing is combined into stairstepping by some layers of heat dissipating layer, the radiator structure that is formed in one.

Preferably, the shape of heat dissipating layer is set to cylindrical, square or truncated cone-shaped.

Preferably, the number of plies of heat dissipating layer is set to 2 to 4 layers.

Preferably, the LED illuminator comprises the circuit board of being close to inner-cavity structure bottom, be located at LED lamp pearl on the circuit board, be embedded in the inner-cavity structure and be located at reflector on the circuit board, also comprises the drive unit that is electrically connected with LED lamp pearl.

Preferably, the face ring is shaped as annular.

Preferably, the face ring has outer shroud and interior ring, forms inverted truncated cone-shaped between outer shroud and the interior ring, and the outer shroud outside extends outwardly out annular along the limit.

Preferably, the face ring has outer shroud and interior ring, forms inverted truncated cone-shaped between outer shroud and the interior ring, and the outer shroud outside extends outwardly out square along the limit.

Preferably, the LED Down lamp also comprises two torsion springs of being located at respectively face ring two ends, and fixture block is extended at the two ends of face ring lower surface down, and torsion spring is fastened on the face ring by fixture block.

Preferably, be provided with light transmission piece between face ring and the lamp body, light transmission piece adopts glass to make.

Preferably, the face ring is provided with annular slot in position corresponding to light transmission piece, and card is established the cushion rubber that can improve barrier propterty in the annular slot.

A kind of LED Down lamp of the utility model, the circuit board of LED illuminator are close to inner-cavity structure bottom, and the radiator structure that is formed in one, the heat that LED lamp pearl is produced can promptly spread all over whole radiator; In addition, be provided with each layer heat dissipating layer and vent rib at radiator, heat dissipating layer and vent rib have increased the contact area with extraneous air greatly, make the heat on the radiator carry out large-area exchange heat with extraneous air, discharge fast the heat on the radiator, radiating effect is desirable, effectively prolong the service life of LED Down lamp, and the utility model is simple in structure, the face ring can flexible transformation become various patterns, make the style of LED Down lamp can be not unalterable and dull, really realized a kind of good heat dissipation effect, the flexible and changeable LED Down lamp of style.

Description of drawings

Fig. 1 is the cross-sectional view of an embodiment of a kind of LED Down lamp of the utility model;

Fig. 2 is the cross-section structure decomposing schematic representation of an embodiment of a kind of LED Down lamp of the utility model;

Fig. 3 is the top view of an embodiment of a kind of LED Down lamp of the utility model;

Fig. 4 is the upward view of an embodiment of a kind of LED Down lamp of the utility model;

Fig. 5 is the side view of an embodiment of a kind of LED Down lamp of the utility model;

Fig. 6 is one of perspective view of face ring among the embodiment of a kind of LED Down lamp of the utility model;

Fig. 7 be face ring among the embodiment of a kind of LED Down lamp of the utility model perspective view two;

Fig. 8 be face ring among the embodiment of a kind of LED Down lamp of the utility model perspective view three.

The realization of the utility model purpose, functional characteristics and advantage are described further with reference to accompanying drawing in connection with embodiment.

The specific embodiment

Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.

Referring to figs. 1 through Fig. 8, an embodiment of a kind of LED Down lamp of the present utility model is proposed, comprise lamp body, be fixed in the face ring 100 of lamp body upper end.Lamp body comprises radiator 201, is embedded at the LED illuminator in the radiator 201.

Radiator 201 comprises the housing with inner-cavity structure 202, some vent ribs 204 that the hull outside wall extends out outward, and housing is combined into stairstepping by some layers of heat dissipating layer 203, radiator 201 structure that is formed in one.The shape of heat dissipating layer 203 can be set to cylindrical, square or truncated cone-shaped.The number of plies of heat dissipating layer 203 can be set to 2 to 4 layers, and heat dissipating layer 203 is set to 2 layers in the present embodiment.

The LED illuminator comprises the circuit board 301 of being close to inner-cavity structure 202 bottoms, be located at LED lamp pearl on the circuit board 301, be embedded in the inner-cavity structure 202 and be located at reflector 302 on the circuit board 301, also comprises the drive unit that is electrically connected with LED lamp pearl.

The shape of face ring 100 can be set to following 3 kinds of patterns: the first: face ring 100 can be set to circular ring 101; The second: face ring 100 has outer shroud and interior ring, forms inverted truncated cone-shaped 102 between outer shroud and the interior ring, and the outer shroud outside extends outwardly out annular along the limit 103; The third: face ring 100 has outer shroud and interior ring, forms inverted truncated cone-shaped between outer shroud and the interior ring, and the outer shroud outside extends outwardly out square along the limit 104.The utility model is the face ring 100 of the different patterns of conversion neatly, makes the style of LED Down lamp flexible and changeable, and is no longer dull single.

The LED Down lamp also comprises two torsion springs 400 of being located at respectively face ring 100 two ends, and fixture block 105 is extended at the two ends of face ring 100 lower surfaces down, and the button spring is fastened on the face ring 100 by fixture block 105, the LED Down lamp firmly can be installed in the installing hole by torsion spring 400.

The LED Down lamp also comprises the light transmission piece 500 that is fixedly arranged between face ring 100 and the lamp body.The light transmission piece of existing LED Down lamp generally adopts plastics to make, and light transmission piece of the present utility model 500 adopts glass to make, and the light transmittance of glass is higher than the light transmittance of plastics, makes the illumination effect of LED Down lamp better, and light utilization is high.

Face ring 100 is provided with annular slot in the position of light transmission piece 500 correspondences, card is established into a cushion rubber 600 in the annular slot, cushion rubber 600 plays the effect of waterproof, antifog, antivibration, has improved the IP degree of protection, and product can be protected in transportation, cargo handling process preferably.

The utility model is close to the bottom of the inner-cavity structure 202 of radiator 201 with the circuit board 301 of LED illuminator, and radiator 201 structure that is formed in one, the heat that LED lamp pearl is produced can promptly spread all over whole radiator 201; In addition, be provided with each layer heat dissipating layer 203 and vent rib 204 at radiator 201, heat dissipating layer 203 and vent rib 204 have increased the contact area with extraneous air greatly, make the heat on the radiator 201 carry out large-area exchange heat with extraneous air, discharge fast the heat on the radiator 201, radiating effect is desirable, effectively prolong the service life of LED Down lamp, and the utility model is simple in structure, face ring 100 can flexible transformation become various patterns, make the style of LED Down lamp can be not unalterable and dull, really realized a kind of good heat dissipation effect, the LED Down lamp that style is flexible and changeable.

The above only is preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.

Claims

1. LED Down lamp, comprise lamp body, be fixed in the face ring of described lamp body upper end, described lamp body comprises radiator, is embedded at the LED illuminator in the described radiator, it is characterized in that, described radiator comprises some vent ribs that the housing with inner-cavity structure, described hull outside wall extend out outward, described housing is combined into stairstepping by some layers of heat dissipating layer, the described radiator structure that is formed in one.

2. a kind of LED Down lamp according to claim 1 is characterized in that the shape of described heat dissipating layer is set to cylindrical, square or truncated cone-shaped.

3. a kind of LED Down lamp according to claim 1 and 2 is characterized in that, the number of plies of described heat dissipating layer is set to 2 to 4 layers.

4. a kind of LED Down lamp according to claim 3, it is characterized in that, described LED illuminator comprises the circuit board of being close to described inner-cavity structure bottom, be located at LED lamp pearl on the described circuit board, be embedded in the described inner-cavity structure and be located at reflector on the described circuit board, also comprises the drive unit that is electrically connected with described LED lamp pearl.

5. a kind of LED Down lamp according to claim 4 is characterized in that, described ring be shaped as annular.

6. a kind of LED Down lamp according to claim 4 is characterized in that, described ring has outer shroud and interior ring, forms inverted truncated cone-shaped between described outer shroud and the interior ring, and the described outer shroud outside extends outwardly out annular along the limit.

7. a kind of LED Down lamp according to claim 4 is characterized in that, described ring has outer shroud and interior ring, forms inverted truncated cone-shaped between described outer shroud and the interior ring, and the described outer shroud outside extends outwardly out square along the limit.

8. a kind of LED Down lamp according to claim 4, it is characterized in that, described LED Down lamp also comprises two torsion springs of being located at respectively described ring two ends, and fixture block is extended at the two ends of described ring lower surface down, and described torsion spring is fastened on described the ring by described fixture block.

9. a kind of LED Down lamp according to claim 8 is characterized in that, is provided with light transmission piece between described ring and the described lamp body, and described light transmission piece adopts glass to make.

10. a kind of LED Down lamp according to claim 9 is characterized in that, described ring is provided with annular slot in position corresponding to described light transmission piece, and card is established the cushion rubber that can improve barrier propterty in the described annular slot.