CN201599624U

CN201599624U - Safe type self heat radiation LED lamp

Info

Publication number: CN201599624U
Application number: CN2010201182748U
Authority: CN
Inventors: 王小平; 陈明
Original assignee: Shanghai Jiatang Electronic Co Ltd
Current assignee: Shanghai Jiatang Electronic Co Ltd
Priority date: 2010-01-29
Filing date: 2010-01-29
Publication date: 2010-10-06
Anticipated expiration: 2020-01-29

Abstract

A safe type self heat radiation LED lamp comprises an external power supply connection head, a lamp cup, a fan, an internal power supply changer, a heat radiation device, a LED light source, a lamp cage, wherein an external power supply connection head, the lamp cup, the fan, the heat radiation device, the internal power supply changer, the LED light source and the lamp cage are connected into the lamp by connection pieces, characterized in that: the heat radiation device is arranged at the combination part of the lamp cage and the lamp cup in the inside cavity isolated from the space for housing the LED light source in the lower cage; and a vent hole is arranged on the lamp cup. Because the vent hole is arranged on the lamp cup, the heat energy generated by the LED light source during luminescence process is quickly radiated and the heat radiation effect of the LED lamp is greatly increased; because the heat radiation device is shortened and built in, the cost is reduced and the shape is changed smaller and the technical support is provided for the type such as E14,E27 which is similar to the traditional bulb shape and the traditional bulb specification and the LED lamp is more conveniently applied in various illumination field.

Description

Secure self-radiating LED lamp device

Technical field

The utility model relates to a kind of LED light fixture, especially a kind of secure self-radiating LED lamp device.

Background technology

In recent years since, constantly perfect along with the LED technology, the various performances of illuminating LED light fixture have had greatly progressive, more because the LED lighting has the factory director in service life, start-up time is short, energy-saving effect is remarkable, do not have ultra-violet radiation and advantages such as environmental pollution, safety in utilization height, approved widely, become the main flow of following energy-saving lamp.

But, because the LED lamp is photoelectric device, in its photoelectric conversion process, have only 15～25% electric energy to convert luminous energy to, remaining electric energy nearly all converts heat energy to, and the temperature of LED light fixture is raise.The existence of this phenomenon just if fansink designs is bad, can cause the heat of LED lamp light source not loose, and causes the light efficiency decline of light fixture and even burning of whole light fixture.The design of the radiator structure of present high-power LED lamp is to design metal heat sink very greatly and expose the radiating effect to obtain to match with the led light source heat in air, though this radiator can play the thermolysis of led light source, but the bulkiness of radiator and exposed, cause the outward appearance of LED indecency, the volume heaviness, cost increases, more because the LED light fixture connects high voltage source, metal heat sink is exposed outside, and end user's life security has been constituted very big threat.The actual use shows: the LED light fixture of exposed radiator is to be difficult to by existing safety test requirement in a large number.

How to design and a kind ofly can meet the light fixture that safety requirements can guarantee LED heat radiation again, just become a big problem of the sector research and development and manufacturing firm.

The inventor discovers, places the radiator of LED light fixture the space radiating effect of the strong convection current of air best, and can reduce the volume of radiator greatly.And to the safety-type of human body effectively design be: isolate contacting of LED lamp interior high voltage source and people, guarantee end user's safety.

The utility model content

The purpose of this utility model: be intended to propose a kind of safety-type LED light fixture with higher heat radiation function, can effectively solve the service life that the heat dissipation problem of light fixture self further improves the LED light fixture, reduce cost and improve beautiful appearance, can guarantee end user's life security type self-radiating LED lamp device simultaneously again.

This secure self-radiating LED lamp device, comprise external power source connector, Lamp cup, fan, internal electric source converter, radiator, led light source, lampshade, external power source connector wherein, Lamp cup, fan, radiator, internal electric source converter, led light source and lampshade connect and compose light fixture by connector, it is characterized in that: described radiator be arranged on lampshade and Lamp cup joint portion and with the bottom cover body in settle in the internal cavities that the led light source space is isolated.

Described Lamp cup cup is provided with and the extraneous passage that communicates, and the heat of forming the LED light fixture thus distributes, cup outer air-flow switching fabric interior with air cooled cup.

Described passage is the setting of levels state on Lamp cup.

Described radiator top is provided with mini-fan.

Described Lamp cup is made by non-heat conduction, conduction insulating materials.

Settle power supply according to this Lamp cup inner chamber that above technical scheme proposes in insulation, the LED light fixture of fan and radiator, owing to radiator made of heat-conducting materials is arranged on space in the cover, the many hidden dangers that therefore can effectively avoid exposed fansink designs to be caused; Lamp cup has the ventilation pore up and down simultaneously, can make cold air under the effect of full communication between the higher and lower levels " revolving horse lantern " effect in hole or fan, the heat energy that led light source is produced in luminescence process, by the quick heat radiating of radiator, passage or mini-fan, therefore can greatly improve the radiating effect of LED light fixture; Because the volume of radiator dwindles greatly, not only reduced cost in addition, the profile of whole LED light fixture is also diminished and approaching traditional bulb profile greatly; For the forms such as E14, E27 that external power supply connector are designed to the specification of conventional bulb provide technical support, make the LED light fixture be applied to various lighting fields more easily and create conditions.

Description of drawings

Fig. 1 is usually the LED light fixture outline drawing of band radiator;

Fig. 2-1 is the utility model safety-type LED light fixture profile (natural cooling type);

Fig. 2-2 is the utility model safety-type LED light fixture profile (reinforcement cooling type);

Fig. 3 is the utility model safety-type LED light fixture outline drawing;

Fig. 4-1 is the Lamp cup figure of the utility model safety-type LED light fixture;

Fig. 4-2 is Fig. 4-1 vertical view;

Fig. 5-1 is the radiator profile of the utility model safety-type LED light fixture,

Fig. 5-2 is Fig. 5-1 vertical view;

Fig. 6 is that the utility model safety-type LED light fixture is formed the member explosive view.

Among the figure: 1-lampshade 2-LED light source 3-radiator 3-1 heatsink fins 4-fan 5-internal electric source converter 6-Lamp cup 6-1 Lamp cup air vent 7-external power supply connector

The specific embodiment

Further set forth the utility model below in conjunction with Figure of description, and provide embodiment of the present utility model.

Embodiment 1 (natural cooling type)

This self-radiating LED lamp shown in Fig. 2-1, it is to having the inventive improvements of public LED light fixture now.

This self-radiating LED lamp, comprise external power supply connector 7, Lamp cup 6, internal electric source converter 5, radiator 3, led light source 2, lampshade 1, internal electric source converter 5 wherein, the radiator 3 of band radiating fin 3-1, Lamp cup 6 inner chamber bottoms are installed, connect external power supply connector by connector, Lamp cup, the internal electric source converter, radiator, led light source constitutes whole light fixture, the radiator 3 of described band radiating fin 3-1 is installed in the inner chamber of Lamp cup 6, perhaps lampshade 1 top, or in the inner chamber body of Lamp cup 6 and lampshade 1 joint portion, 2 of described led light sources are installed in the bottom of radiator bottom by lampshade 1 one sides, the radiator 3 of this moment not only self has been avoided directly exposing outside lampshade, again lampshade is isolated into simultaneously disconnected mutually two insulating spaces up and down up and down, obviously this is for eliminating owing to directly exposed radiator, and the safety problem hot or that electric leakage hidden danger causes that may exist is very useful.In order to solve heat dissipation problem, air vent 6-1 is set on Lamp cup 6 again in the technical solution of the utility model in addition, for the less led light source of luminous power, the air vent that is provided with on the Lamp cup 6 can be a row or a two rows hole.

In the use, led light source 2 directly is connected with the center solid metal body portion of radiator 3, therefore the heat energy that produces directly imports on this radiator 3 and the radiating fin 3-1, although radiator 3 insulated body Lamp cups 6 parcels are isolated from the outside, but extraneous air air vent 6-1 by insulator Lamp cup 6 under wind action enters and flows through outside radiator 3 and heatsink fins 3-1 and the discharge side, and heat is effectively left.Especially on Lamp cup during the two-layer up and down air vent of design, quicken circulation of air " revolving horse lantern effect " therefore to remove the heat of assembling on radiator 3 tops for loosing quickly be very effective owing to can form this moment.It is to implement a kind of basic model of the present utility model that this version can be considered as, and it is mainly used in the low power led light source light fixture.

Embodiment 2 (reinforcement cooling type)

For the bigger led light source light fixture of luminous power (seeing Fig. 2-2), except in basic structure, adopting the basic structure of embodiment 1: external power supply connector 7, Lamp cup 6, internal electric source converter 5, radiator 3, led light source 2, lampshade 1, internal electric source converter 5 wherein, the radiator 3 of band radiating fin 3-1, Lamp cup 6 inner chamber bottoms are installed, connect external power supply connector by connector, Lamp cup, the internal electric source converter, radiator, led light source constitutes whole light fixture, described band radiating fin 3-1 radiator 3 is installed in the inner chamber of Lamp cup 6, perhaps lampshade 1 top, or in the inner chamber body of Lamp cup 6 and lampshade 1 joint portion, 2 of described led light sources are installed in the bottom of radiator bottom by lampshade 1 one sides, set up a mini-fan 4 at radiator 3 or Lamp cup 6 bottoms simultaneously.The advantage of this design is the stirring by mini-fan, make the heat energy that produces in led light source 2 luminescence process, when the transmission through radiator is dispersed into the Lamp cup space that is positioned at radiator top, effect by mini-fan is got rid of from air vent as soon as possible, reaches the effect of environment temperature in the quick reduction lamp body.This structure can generally be hanged down and be used in various certainly the dispel the heat light fixtures of led light source as light source, in the particularly powerful corresponding light fixture.

Embodiment 3

In practice, for lower-powered LED light fixture, the radiator 3 that is adopted also can be directly installed on it Lamp cup 6 or lampshade inner chamber of band air vent 6-1 not with the flat sheet metal of heat radiation wing 3-1, utilizes air vent 6-1 to produce " revolving horse lantern " effect natural heat dissipation.

Claims

1. secure self-radiating LED lamp device, comprise external power source connector, Lamp cup, internal electric source converter, radiator, led light source, lampshade, external power source connector wherein, Lamp cup, fan, radiator, internal electric source converter, led light source and lampshade connect and compose light fixture by connector, it is characterized in that: described radiator be arranged on lampshade and Lamp cup joint portion and with lower cover in settle in the internal cavities that the led light source space is isolated.

2. a kind of secure self-radiating LED lamp device as claimed in claim 1 is characterized in that: described Lamp cup cup is provided with and the extraneous passage that communicates, and the heat of forming the LED light fixture distributes, cup outer air-flow switching fabric interior with air cooled cup.

3. a kind of secure self-radiating LED lamp device as claimed in claim 1 is characterized in that: described passage is the setting of levels state on Lamp cup.

4. a kind of secure self-radiating LED lamp device as claimed in claim 1 is characterized in that: described radiator top is provided with mini-fan.