CN201593709U

CN201593709U - Self-radiating safety LED lamp

Info

Publication number: CN201593709U
Application number: CN2010201038658U
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: 2010-09-29
Anticipated expiration: 2020-01-29

Abstract

The utility model relates to a self-radiating safety LED lamp which comprises an external power connector, a lamp cup, an internal power converter, a miniature fan, a heat radiator, a LED light source and a lampshade, wherein the external power connector, the lamp cup, the internal power converter, the miniature fan, the heat radiator, the LED light source and the lampshade form a lamp through connecting pieces. The lamp is characterized in that the heat radiator is arranged in the connecting part of the lampshade and the lamp cup, and in the interior hollow cavity of the lower shade, wherein the hollow cavity is isolated from the space for placing the LED light source. The miniature fan is arranged under the internal power converter on the upper part of the heat radiator. A ventilating hole for communicating with the outside is arranged on the lamp cup. Then, a structure of exchanging air flow inside and outside the cup for heat radiating and air cooling of the LED clamp is formed. As the heat radiator made of heat conducting material is arranged in the lampshade, and the lamp cup is provided with the ventilating hole, the heat generated by the LED light source in the light emitting process can be quickly radiated, thereby greatly enhancing the heat radiating effect of the LED lamp. As the volume of the heat radiator is reduced, the cost is decreased, the shape is reduced and similar to the shape of the traditional bulb, and the size is similar to the sizes of E14, E27 and the like of the traditional bulb, so the LED lamp is convenient to apply to various illuminating fields by the technical supports.

Description

A kind of from dispelling the heat safety-type LED light fixture

Technical field

The utility model relates to a kind of LED light fixture, and is especially a kind of from dispelling the heat safety-type LED light fixture.

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 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 the outward appearance visuality, the life that can guarantee the end user simultaneously again is from dispelling the heat safety-type LED light fixture.

This from dispelling the heat safety-type LED light fixture, comprise the external power source connector, Lamp cup, the internal electric source converter, radiator, led light source, lampshade, external power source connector wherein, Lamp cup, radiator, the internal electric source converter, led light source and lampshade connect and compose light fixture by connector, it is characterized in that: described radiator is 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 mini-fan 4 is arranged on internal electric source converter 5 belows on radiator 3 tops, and on the Lamp cup cup, be provided with and the extraneous passage 6-1 that communicates, the heat of forming the LED light fixture thus distribute with air cooled cup in, the outer air-flow switching fabric of cup

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

Settle power supply according to this Lamp cup inner chamber that above technical scheme proposes in insulation, the LED light fixture of 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; Have the ventilation pore on the Lamp cup simultaneously, can make cold air under the effect of " revolving horse lantern " effect in full communication between the higher and lower levels hole, at inner chamber mini-fan is set again simultaneously and stirs internal gas flow, so heat energy that led light source is produced in luminescence process, realize quick heat radiating by radiator, passage, 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 is the utility model safety-type LED light fixture profile;

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

Fig. 4-1 is the Lamp cup structural representation 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. 5-2 vertical view;

Fig. 6 forms the member explosive view for the utility model light fixture.

Among the figure: 1-lampshade 2-LED light source 3-radiator 4-mini-fan 3-1 heatsink fins 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

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, mini-fan 4, radiator 3, led light source 2, lampshade 1, external power source connector 7 wherein, Lamp cup 6, radiator 3, internal electric source converter 5, led light source 2 and lampshade 1 connect and compose light fixture by connector, it is characterized in that: described radiator 3 is 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 mini-fan 4 is arranged on internal electric source converter 5 belows on radiator 3 tops, and on the Lamp cup cup, be provided with and the extraneous passage 6-1 that communicates, the heat of forming the LED light fixture thus distribute with air cooled cup in, the outer air-flow switching fabric of cup

The radiator 3 of described band radiating fin 3-1 is installed in the inner chamber body of the inner chamber of Lamp cup 6 or lampshade 1 top or 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 disconnected mutually two insulating spaces up and down simultaneously up and down.Obviously, this is very useful for eliminating the safety problem hot or that electric leakage hidden danger causes that may exist owing to directly exposed radiator.In addition, in order to solve heat dissipation problem, on Lamp cup 6, air vent 6-1 is set again in the technical solution of the utility model, inner chamber is provided with mini-fan 4, 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, and therefore the heat energy that produces directly imports on this radiator 3 and the radiating fin 3-1, is dispersed in the confined space.Although this moment, radiator 3 insulated body Lamp cups 6 parcels were isolated from the outside, extraneous air air vent 6-1 by insulator Lamp cup 6 under wind action enters, and especially by outside the stirring discharge side of mini-fan 4, heat is effectively left.When especially on Lamp cup, being designed to two-layer up and down air vent, quickening 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.

Embodiment 2

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 for 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. one kind from the safety-type LED light fixture that dispels the heat, comprise the external power source connector, Lamp cup, the internal electric source converter, mini-fan, radiator, led light source, lampshade, external power source connector wherein, Lamp cup, radiator, the internal electric source converter, led light source and lampshade connect and compose light fixture by connector, it is characterized in that: described radiator is 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, described mini-fan is arranged on the internal electric source converter below on radiator top, and on the Lamp cup cup, be provided with and the extraneous passage that communicates, the heat of forming the LED light fixture thus distribute with air cooled cup in, the outer air-flow switching fabric of cup.

2. as claimed in claim 1 a kind of from dispelling the heat safety-type LED light fixture, it is characterized in that: described passage goes to upper and lower the layer state setting on Lamp cup.