CN204693141U

CN204693141U - A kind of LED

Info

Publication number: CN204693141U
Application number: CN201520444297.0U
Authority: CN
Inventors: 金超云
Original assignee: Shenzhen Allround Tech Ltd
Current assignee: Shenzhen Allround Tech Ltd
Priority date: 2015-06-25
Filing date: 2015-06-25
Publication date: 2015-10-07
Anticipated expiration: 2025-06-25

Abstract

The utility model belongs to LED technology field, particularly relates to a kind of LED, comprises lamp body 11, LED light source, reflector and heat sink 2, and described reflector is arranged in lamp body 11, and described LED light source is arranged on the heat sink 2 of reflector bottom position; Described reflector comprises interior cup 8 and the outer cup 10 of taper, and on interior cup 8, the bore of the larger one end of bore is less than the bore of the less one end of outer cup 10 bore; The less one end of interior cup 8 bore is arranged on the inner bottom part of lamp body 11, and the less one end of outer cup 10 bore is arranged on the top of the larger one end of interior cup 8 bore, and forms reflective step 9.There is the features such as spotlight effect is good, excellent in heat dissipation effect, production efficiency are high, long service life, both can be made into Down lamp, and also can be made into other light fixture.

Description

A kind of LED

Technical field

The utility model belongs to LED technology field, particularly relates to a kind of LED.

Background technology

LED relies on the features such as its specular removal, high-color rendering, long-life to capture rapidly illumination market, and along with further developing of LED science and technology, LED progressively will replace conventional bulb.But existing LED comes with some shortcomings, as light emission rate is bad, spotlight effect and irradiation distance need to improve; Simultaneously, existing LED light source mostly adopts the bead weld of SMD SMD lamp to receive on aluminium base, its thermal conductivity is not high, chip light emitting heat conduction is undesirable, and radiator all adopts Split type structure, the heat sink directly contacted with LED light source is only contact with the cross section on radiator, and thermal conductivity is very little, be unfavorable for that LED light source dispels the heat, finally greatly shorten the service life of LED.

Summary of the invention

For the deficiencies in the prior art, the purpose of this utility model is to provide that a kind of spotlight effect is good, excellent in heat dissipation effect, production efficiency are high, the LED of long service life.

For achieving the above object, technical solution adopted in the utility model is a kind of LED of design, comprise lamp body 11, LED light source, reflector and heat sink 2, described reflector is arranged in lamp body 11, and described LED light source is arranged on the heat sink 2 of reflector bottom position; Described reflector comprises interior cup 8 and the outer cup 10 of taper, and on interior cup 8, the bore of the larger one end of bore is less than the bore of the less one end of outer cup 10 bore; The less one end of interior cup 8 bore is arranged on the inner bottom part of lamp body 11, and the less one end of outer cup 10 bore is arranged on the top of the larger one end of interior cup 8 bore, and forms reflective step 9.

Preferably, on the reflector between described interior cup 8 and LED light source, reflector liner 7 is also provided with.

Preferably, described interior cup 8, outer cup 10 and reflector liner 7 is truncated cone or frustum of a pyramid shape.

Preferably, on the inner surface of described interior cup 8 and outer cup 10, the protruding reflecting piece 5 of more than two pieces is evenly provided with respectively.

Preferably, described protruding reflecting piece 5 is quadratic prism shape or arc surface shape or triangular prism cylindricality or other shape.

Preferably, described LED light source comprises COB area light source 4 and ceramic substrate 3, and described ceramic substrate 3 is arranged on heat sink 2, and described COB area light source 4 is arranged on ceramic substrate 3.

Preferably, between the outer end of described lamp body 11 and the larger one end of outer cup 10 bore, transparent dust-proof plate 6 is also installed.

Preferably, described LED also includes lampshade 14, and described lampshade 14 is the cylinder with flange circle, and its cylindrical portions is sleeved on the outer end of lamp body 11, is fixed by the outer surface of screw 12 with lamp body 11.

Preferably, in the end of described lampshade 14 cylinder, be also provided with the supporting component of more than two, described supporting component comprises gripper shoe 15 and supports torsion spring 13, described support torsion spring 13 is arranged on the barrel of lampshade 14 cylinder end, and gripper shoe 15 is arranged on the end supporting torsion spring 13 and stretch out.

Preferably, be unkitted the one side of LED light source at described heat sink 2, be also provided with integrated radiating fin 1.

LED of the present utility model, have employed the taper reflector of stepped-style, and the inner surface of reflector is provided with many protruding reflecting piece, the light that LED light source is produced forms the reflection of each different angles on interior cup and outer cup, and then reflects more light, makes its spotlight effect better, in addition the reflection of the existence of reflective step and the interior cup of different bore and outer cup, can produce the illumination light field of different levels, different light rays intensity, thus, its spotlight effect is better; Meanwhile, adopt COB area light source to replace traditional SMD lamp pearl, make its luminescence more even, and without the dark space between tradition single light source, and lamp pearl quantity can be reduced in a large number, and without the need to paster, thus can enhance productivity.In addition, area source adopts ceramic substrate, fits tightly installation with heat sink, again by integrated radiating fin, rapidly the heat conduction that LED light source produces can be distributed, therefore substantially improve the radiating effect of LED lamp, thus extend its service life.

Accompanying drawing explanation

Fig. 1 is main cross-sectional schematic of the present utility model;

Fig. 2 is that schematic diagram is looked on a left side of the present utility model;

Fig. 3 is K close-up schematic view of the present utility model.

In figure: 1 is radiating fin, 2 is heat sinks, and 3 is ceramic substrates, and 4 is COB area light source, and 5 is protruding reflecting piece, 6 is transparent dust-proof plates, and 7 is reflector liners, and 8 is interior cups, and 9 is reflective steps, and 10 is outer cups, 11 is lamp bodies, and 12 is screws, and 13 is support torsion spring, and 14 is lampshades, and 15 is gripper shoes.

Detailed description of the invention

In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.

The present embodiment, for LED down, is described.

The LED down of the present embodiment is made up of lamp body 11, LED light source, reflector, heat sink 2, transparent dust-proof plate 6, lampshade 14 and two supporting components.

Lamp body 11 is thin-wall barrels, and its left end is provided with horn mouth, on the inwall of this horn mouth and cylindrical shell intersection, is provided with inner stopper, for installing transparent dust-proof plate 6 or reflector; The right output port of cylindrical shell is provided with internal thread, for installing heat sink 2.

LED light source is made up of COB area light source 4 and ceramic substrate 3, and ceramic substrate 3 is arranged on heat sink 2, and COB area light source 4 is arranged on ceramic substrate 3; At the another side of heat sink 2, heat sink 2 is provided with integrated radiating fin 1.

Reflector is made up of interior cup 8, outer cup 10 and the reflector liner 7 of coniform (that is: truncated cone also can adopt frustum of a pyramid shape).On interior cup 8, the bore of the larger one end of bore is less than the bore of the less one end of outer cup 10 bore, and the less one end of outer cup 10 bore is arranged on the top of the larger one end of interior cup 8 bore, and its intersection forms reflective step 9; On the inner surface of interior cup 8, be evenly provided with the protruding reflecting piece 5 of more than two pieces (this example is designed to three circles, often encloses 36 pieces); On the inner surface of outer cup 10, be also evenly provided with the protruding reflecting piece 5 of more than two pieces (this example is designed to seven circles, often encloses 36 pieces); The shape of protruding reflecting piece 5 is arc surface shape (also can be quadratic prism shape or triangular prism cylindricality or other shape); The inner surface of reflector liner 7 is light face (also can be provided with protruding reflecting piece 5) under normal circumstances, and one end that the bore of reflector liner 7 is larger connects one end that on interior cup 8, bore is less.Interior cup 8 and outer cup 10 can adopt integrally formed, also can to adopt split; Equally, reflector liner 7 can with interior cup 8 and outer cup 10 integrally formed, also can to adopt split.The inner surface of interior cup 8, outer cup 10 and reflector liner 7 is coated with reflective membrane (if adopt mirror metal material to make, just not needing plated film).

Supporting component is made up of gripper shoe 15 and support torsion spring 13.

Lampshade 14 is inwalls of a cylinder with flange circle, its flange circle and cylinder intersection, with inner stopper, for locating the horn mouth of lamp body 11.The cylinder set of lampshade 14 is in the outer end (that is: left part) of lamp body 11, and the outer surface of itself and lamp body 11 is fixed by the screw 12 be evenly arranged by more than two.

Support torsion spring 13 in supporting component is arranged on the barrel of lampshade 14 cylinder end, and gripper shoe 15 is arranged on the end supporting torsion spring 13 and stretch out.

During assembling, first ceramic substrate 3 is arranged on heat sink 2, then COB area light source 4 is arranged on ceramic substrate 3, by heat sink 2 another side and heat sink 2 integrated radiating fin 1 extracting power supply cord; Then, transparent dust-proof plate 6 is loaded the inner stopper place of lamp body 11, then outer cup 10, interior cup 8 and reflector liner 7 are loaded the inner chamber of lamp body 11 successively, allow one end of outer cup 10 larger caliber prop up transparent dust-proof plate 6; Then, LED light source heat sink 2 will be housed (spiral) right output port at lamp body 11 will be installed, and allow the outer ring of ceramic substrate 3 prop up reflector liner 7; Then, lampshade 14 is set with the horn mouth of lamp body 11, allows the inner stopper of lampshade 14 prop up the horn mouth of lamp body 11, then fix with screw 12.

Before using, first power line is connected, two gripper shoes 15 (that is: being removed in the direction of gripper shoe 15 to radiating fin 1) are pinched again with hand, then, load in the Down lamp hole on decorative panel by radiating fin 1 together with the cylindrical portions of two gripper shoes 15 and lampshade 14, now, gripper shoe 15 is replied under the drive supporting torsion spring 13, the end support of gripper shoe 15 at the inner face of decorative panel, thus ensures that Down lamp can not fall down.

In use procedure, the light that COB area light source 4 sends, through reflector liner 7, interior cup 8 and outer cup 10 and on the multiple reflections of protruding reflecting piece 5, can produce the illumination light field of different levels, different light rays intensity, thus, its spotlight effect is better; Meanwhile, the heat that COB area light source 4 produces, through ceramic substrate 3, heat sink 2 and distribute with the integrated radiating fin 1 of heat sink 2, thus, reduce Down lamp temperature in use, extend the use of Down lamp.

LED of the present utility model, both can be made into Down lamp, also can be made into other light fixture.

The above is only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims

1. a LED, comprise lamp body (11), LED light source, reflector and heat sink (2), described reflector is arranged in lamp body (11), and described LED light source is arranged on the heat sink (2) of reflector bottom position; It is characterized in that: described reflector comprises interior cup (8) and the outer cup (10) of taper, the bore of the upper larger one end of bore of interior cup (8) is less than the bore of the less one end of outer cup (10) bore; The less one end of interior cup (8) bore is arranged on the inner bottom part of lamp body (11), and the less one end of outer cup (10) bore is arranged on the top of the larger one end of interior cup (8) bore, and forms reflective step (9).

2. LED as claimed in claim 1, is characterized in that: on the reflector between described interior cup (8) and LED light source, be also provided with reflector liner (7).

3. LED as claimed in claim 2, is characterized in that: described interior cup (8), outer cup (10) and reflector liner (7) are truncated cone or frustum of a pyramid shape.

4. LED as claimed in claim 3, is characterized in that: on the inner surface of described interior cup (8) and outer cup (10), be evenly provided with the protruding reflecting piece (5) of more than two pieces respectively.

5. LED as claimed in claim 4, is characterized in that: described protruding reflecting piece (5) is quadratic prism shape or arc surface shape or triangular prism cylindricality or other shape.

6. the LED as described in as arbitrary in claim 1-5, it is characterized in that: described LED light source comprises COB area light source (4) and ceramic substrate (3), described ceramic substrate (3) is arranged on heat sink (2), and described COB area light source (4) is arranged on ceramic substrate (3).

7. LED as claimed in claim 6, is characterized in that: between the outer end of described lamp body (11) and the larger one end of outer cup (10) bore, be also provided with transparent dust-proof plate (6).

8. LED as claimed in claim 7, it is characterized in that: described LED also includes lampshade (14), described lampshade (14) is the cylinder with flange circle, its cylindrical portions is sleeved on the outer end of lamp body (11), is fixed by the outer surface of screw (12) with lamp body (11).

9. LED as claimed in claim 8, it is characterized in that: in the end of described lampshade (14) cylinder, also be provided with the supporting component of more than two, described supporting component comprises gripper shoe (15) and supports torsion spring (13), described support torsion spring (13) is arranged on the barrel of lampshade (14) cylinder end, and gripper shoe (15) is arranged on the end supporting torsion spring (13) and stretch out.

10. LED as claimed in claim 9, is characterized in that: the one side of being unkitted LED light source at described heat sink (2), is also provided with integrated radiating fin (1).