CN201795356U - LED lamp - Google Patents

LED lamp Download PDF

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Publication number
CN201795356U
CN201795356U CN2010205509706U CN201020550970U CN201795356U CN 201795356 U CN201795356 U CN 201795356U CN 2010205509706 U CN2010205509706 U CN 2010205509706U CN 201020550970 U CN201020550970 U CN 201020550970U CN 201795356 U CN201795356 U CN 201795356U
Authority
CN
China
Prior art keywords
led light
heat
shade holder
light fixture
light source
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010205509706U
Other languages
Chinese (zh)
Inventor
闫学众
刘军
张凡怡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHEN TIDAL ELECTRONICS CO Ltd
Original Assignee
SHENZHEN TIDAL ELECTRONICS CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHENZHEN TIDAL ELECTRONICS CO Ltd filed Critical SHENZHEN TIDAL ELECTRONICS CO Ltd
Priority to CN2010205509706U priority Critical patent/CN201795356U/en
Application granted granted Critical
Publication of CN201795356U publication Critical patent/CN201795356U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a light-emitting diode (LED) lamp. The LED lamp comprises a lamp shade holder, an LED light source fixed on the lamp shade holder, a lamp shade which is provided with an open end and covers the LED light source, and a hollow aluminum extrusion formed piece with two open ends, namely a heat radiating shell, wherein the open end of the lamp shade is arranged at the top of the lamp shade holder; the heat radiating shell comprises a plurality of cooling fins which are arranged on the four sides and are in a radical pattern; the top of the heat radiating shell is fixed at the bottom of the lamp shade holder; the bottom of the heat radiating shell is fixedly connected with a lamp holder; the lamp shade holder comprises a lamp shade main body and a convex part of which the outer side of the bottom protrudes outwards; the lamp shade is fixed on the lamp shade holder main body; the convex part is fixed at one end of an internal through hole of the heat radiating shell; and the convex part is in interference fit with the heat radiating shell. The LED lamp radiates heat quickly and has small volume and low cost.

Description

A kind of LED light fixture
Technical field
The utility model relates to lighting device, more particularly, relates to a kind of LED light fixture.
Background technology
LED (Light Emitting Diode, the i.e. light emitting diode) heat radiation of light fixture has determined the life-span of whole light fixture, and the heat dissipation problem that therefore how better to solve the LED light fixture is LED Design of Luminaires person main problem of considering in design always.
And the heat radiation of light fixture mainly is divided into two types:
1) quickens light fixture thermal source ambient air convection velocity and quicken its heat loss through convection to realize the light fixture heat radiation.This method adopts more is set up air vent or realizes in the mode that lamp interior is set up radiator fan on lamp outer casing.
Help the light fixture heat radiation though set up air vent on light fixture, light fixture is subjected to such environmental effects easily and influences its service life.Set up radiator fan in lamp interior and only be applicable to large-scale light fixture, and increased the light fixture cost, also make the volume of light fixture become big.
2) improve light fixture thermal source and its situation of conduction of heat between parts on every side, quicken light fixture and dispel the heat by heat exchange pattern.How this method realizes in the mode that increases its thermal conduction rate by the shell that improves light fixture.
The heat-dissipating casing of LED bulb lamp is mainly aluminium shell at present, adopts the mode of die casting to process more.The bulb lamp of aluminium die casting shell has certain cost advantage when producing in enormous quantities, but its development cost height first, and outward appearance is single.
The utility model content
The technical problems to be solved in the utility model is, at the defective of the above-mentioned lamp cooling structure of prior art, provides a kind of rapid heat dissipation, volume is little, cost is low LED light fixture.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of LED light fixture, comprise shade holder, be fixedly mounted on the lampshade that a led light source on the shade holder and an end opening and openend are installed in the shade holder top and cover led light source, the hollow aluminum extrusion modling part that also comprises both ends open: heat-dissipating casing, described heat-dissipating casing comprises its some fin of outwards dispersing all around, the top of described heat-dissipating casing is fixedly mounted on the shade holder bottom, fixedlys connected with lamp holder in the bottom of described heat-dissipating casing;
Described shade holder comprises shade holder main body and bottom outside thereof the lug boss to outer lug, and described lampshade is fixedly mounted on the shade holder main body, and described lug boss is fixedly mounted on an end of the interior bone of heat-dissipating casing, is interference fit between the two.
In LED light fixture described in the utility model, described led light source comprises that pcb board and at least one are installed in the LED on the pcb board, and described pcb board is an aluminium base.
In LED light fixture described in the utility model, described shade holder main body is the shell structure of both ends open, and the one end is fixedlyed connected with described lampshade, and its other end is communicated with the through hole of described lug boss;
Described led light source is fixedly mounted on the bottom inside of shade holder main body, and described pcb board is fixedly mounted in the shade holder by screw.
In LED light fixture described in the utility model, be provided with driver element in the interior bone of described heat-dissipating casing, described driver element is electrically connected with led light source and lamp holder respectively.
In LED light fixture described in the utility model, described driver element is electrically connected with the pcb board of led light source.
In LED light fixture described in the utility model, the outline lateral dimension of described heat-dissipating casing diminishes from the top to the bottom gradually.
In LED light fixture described in the utility model, the bottom inside of the bottom of described led light source and/or shade holder main body scribbles heat-conducting cream.
In LED light fixture described in the utility model, described heat-conducting cream is a heat conduction silicone oil.
Implement LED light fixture of the present utility model, have following beneficial effect:
1) LED light fixture described in the utility model directly fits tightly light source on shade holder, combine closely by interference fit in the lug boss of shade holder and the hollow part of heat-dissipating casing, the light source that has increased has greatly improved the heat dispersion of whole light fixture to the contact area of heat-dissipating casing;
2) LED light fixture described in the utility model adopts the heat-dissipating casing of Al squeezing material, and its heat conductivility significantly improves, and the outside of heat-dissipating casing is provided with some fin of outwards dispersing, and has further improved the heat dispersion of heat-dissipating casing;
3) pcb board of LED lamp light source described in the utility model adopts aluminium base, with screw pcb board is fixed on the shade holder, plays pressuring action, and the contact-making surface of aluminium base and shade holder is coated with heat conduction silicone oil and improves heat transfer efficiency;
4) LED light fixture described in the utility model adopts the heat-dissipating casing of Al squeezing material, be convenient to make the different bulb lamp tool of various appearances, and development cost is cheap relatively.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the mounting structure schematic diagram of the specific embodiment of the utility model LED light fixture;
Fig. 2 is the decomposition texture schematic diagram of the specific embodiment of the utility model LED light fixture;
Fig. 3 is the vertical view of structural representation of heat-dissipating casing of the specific embodiment of the utility model LED light fixture;
Fig. 4 is the cutaway view of the mounting structure schematic diagram of the shade holder of specific embodiment of the utility model LED light fixture and heat-dissipating casing.
The specific embodiment
The mounting structure of LED light fixture specific embodiment of the present utility model as shown in Figure 1, the LED light fixture of present embodiment comprises shade holder 4, led light source 2 and lampshade 1.Lampshade 1 one end openings, its openend are installed in shade holder 4 tops and cover the led light source 2 that is fixedly mounted on the shade holder 4.The relevant position scribbles heat-conducting cream 3 on the bottom of led light source 2 and/or the shade holder 4.In the present embodiment, heat-conducting cream 3 is heat conduction silicone oil.
The LED light fixture of present embodiment also comprises heat-dissipating casing 5, and it is the hollow aluminum extrusion modling part of both ends open.The top of heat-dissipating casing 5 is fixedly mounted on shade holder 4 bottoms, fixedlys connected with lamp holder 7 in the bottom of heat-dissipating casing 5.
Heat-dissipating casing 5 adopts aluminum material that following advantage is arranged: 1) hardness of aluminium is less, easily processing; 2) the thermal conductivity height of aluminium is convenient to heat radiation; 3) price of aluminium is relatively low; 4) density of aluminium is little.
In the present embodiment, the outline lateral dimension of heat-dissipating casing 5 diminishes from the top to the bottom gradually.
As shown in Figures 2 and 3, heat-dissipating casing 5 comprises some fin of outwards dispersing 501 around it and the interior bone 500 that runs through heat-dissipating casing 5.
As Fig. 2 and shown in Figure 4, shade holder 4 comprises shade holder main body 402 and bottom outside thereof the lug boss 400 to outer lug, lampshade 1 is fixedly mounted on the shade holder main body 402, and lug boss 400 is fixedly mounted on an end of the interior bone 500 of heat-dissipating casing 5, is interference fit between the two.
Fin 501 can quicken the rate of heat dispation of LED light fixture.
Interference fit between the lug boss 400 of shade holder 4 bottoms and the interior bone 500 of heat-dissipating casing has not only guaranteed the Stability Analysis of Structures of LED light fixture, and the installation of interference fit between the two makes contact-making surface between the two further increase.The heat that this structure helps led light source 2 is delivered on the heat-dissipating casing 5 from shade holder 4 rapidly.
Cutaway view after shade holder 4 and heat-dissipating casing 5 installed as shown in Figure 4, thereby the connection line of led light source 2 and driver element 6 enters the interior bone 500 realization led light sources 2 of heat-dissipating casing and being electrically connected of driver element 6 from the through hole 401 of the lug boss 400 of shade holder 4.
Be provided with driver element 6 in the interior bone 500 of heat-dissipating casing 5, driver element 6 is electrically connected with led light source 2 and lamp holder 7 respectively.In the present embodiment, led light source 2 comprises that PCB (Printed Circuit Board, i.e. printed circuit board (PCB)) plate 200 and at least one are installed in the LED 201 on the pcb board 200, and pcb board 200 is an aluminium base.Led light source 2 is fixedly mounted on the bottom inside of shade holder main body 402, and pcb board 200 is fixedly mounted in the shade holder 4 by screw.Driver element 6 is electrically connected with the pcb board 200 of led light source 2.
In the present embodiment, shade holder main body 402 is the shell structure of both ends open, and the one end is fixedlyed connected with lampshade 1, and its other end is communicated with the through hole 401 of lug boss 402.The bottom of the pcb board 200 of the bottom inside of shade holder main body 402 and/or led light source 2 scribbles heat conduction silicone oil.Heat conduction silicone oil quickens the rate of heat dispation of led light source 2, has further improved the radiating efficiency of LED light fixture of the present utility model.
The above only is 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 be done; 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 (8)

1. LED light fixture, it is characterized in that, comprise shade holder (4), be fixedly mounted on the lampshade (1) that a led light source (2) on the shade holder (4) and an end opening and openend are installed in shade holder (4) top and cover led light source (2), the hollow aluminum extrusion modling part that also comprises both ends open: heat-dissipating casing (5), described heat-dissipating casing (5) comprises its some fin of outwards dispersing (501) all around, the top of described heat-dissipating casing (5) is fixedly mounted on the bottom of shade holder (4), fixedlys connected with lamp holder (7) in the bottom of described heat-dissipating casing (5); Described shade holder (4) comprises shade holder main body (402) and bottom outside thereof the lug boss (400) to outer lug, described lampshade (1) is fixedly mounted on the shade holder main body (402), described lug boss (400) is fixedly mounted on an end of the interior bone (500) of heat-dissipating casing (5), is interference fit between the two.
2. LED light fixture according to claim 1 is characterized in that, described led light source (2) comprises that pcb board (200) and at least one are installed in the LED (201) on the pcb board (200), and described pcb board (200) is an aluminium base.
3. LED light fixture according to claim 2 is characterized in that, described shade holder main body (402) is the shell structure of both ends open, and the one end is fixedlyed connected with described lampshade (1), and its other end is communicated with the through hole (401) of described lug boss (402);
Described led light source (2) is fixedly mounted on the bottom inside of shade holder main body (402), and described pcb board (200) is fixedly mounted in the shade holder (4) by screw.
4. LED light fixture according to claim 3 is characterized in that, is provided with driver element (6) in the interior bone (500) of described heat-dissipating casing (5), and described driver element (6) is electrically connected with led light source (2) and lamp holder (7) respectively.
5. LED light fixture according to claim 4 is characterized in that, described driver element (6) is electrically connected with the pcb board (200) of led light source (2).
6. LED light fixture according to claim 4 is characterized in that, the outline lateral dimension of described heat-dissipating casing (5) diminishes from the top to the bottom gradually.
7. LED light fixture according to claim 1 is characterized in that, the bottom inside of the bottom of described led light source (2) and/or shade holder main body (402) scribbles heat-conducting cream (3).
8. LED light fixture according to claim 7 is characterized in that, described heat-conducting cream (3) is a heat conduction silicone oil.
CN2010205509706U 2010-09-30 2010-09-30 LED lamp Expired - Fee Related CN201795356U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205509706U CN201795356U (en) 2010-09-30 2010-09-30 LED lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010205509706U CN201795356U (en) 2010-09-30 2010-09-30 LED lamp

Publications (1)

Publication Number Publication Date
CN201795356U true CN201795356U (en) 2011-04-13

Family

ID=43850263

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010205509706U Expired - Fee Related CN201795356U (en) 2010-09-30 2010-09-30 LED lamp

Country Status (1)

Country Link
CN (1) CN201795356U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103244890A (en) * 2013-04-28 2013-08-14 南宁桂格精工科技有限公司 Automobile headlamp
CN103688103A (en) * 2011-07-20 2014-03-26 夏普株式会社 Illumination device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103688103A (en) * 2011-07-20 2014-03-26 夏普株式会社 Illumination device
CN103688103B (en) * 2011-07-20 2016-08-17 夏普株式会社 Lighting device
CN103244890A (en) * 2013-04-28 2013-08-14 南宁桂格精工科技有限公司 Automobile headlamp

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110413

Termination date: 20170930