CN2791469Y

CN2791469Y - LED projecting lamp radiating structure

Info

Publication number: CN2791469Y
Application number: CNU2005200190163U
Authority: CN
Inventors: 王派酋; 王勤彰; 王勤文
Original assignee: AUGUX Corp
Current assignee: Pyroswif Holding Co., Ltd.
Priority date: 2005-05-17
Filing date: 2005-05-17
Publication date: 2006-06-28
Anticipated expiration: 2015-05-17

Abstract

The utility model relates to a heat radiating structure of an LED projecting lamp, which comprises a first heat radiating unit provided with a hollow part. A reflecting cover and a third heat radiating body are arranged in one end of the hollow part, a light-emitting unit is stuck on any surface of the third heat radiating body, the projecting position of a light source corresponds to the reflecting cover, and the other end of the hollow part is provided with a connecting unit which is used for inputting an external power supply to supply a power supply required by the light-emitting unit; heat generated by the light-emitting unit is directly absorbed by the third heat radiating body and then is conducted to the first heat radiating unit to carry out heat radiation so that an LED projecting lamp achieves a good heat radiating effect when in use.

Description

The radiator structure of LED projecting lamp

Technical field

The utility model relates to a kind of radiator structure of LED projecting lamp, relates in particular to a kind of radiator structure that makes this LED projecting lamp bring into play the LED projecting lamp of preferable radiating effect in use.

Background technology

General known projecting lamp as shown in Figure 9, the aluminium extruded type fin is made into cover body 6, and cover body 6 uses as reflector, and be provided with the illuminating part 61 of high brightness on the top of cover body 6, make this projecting lamp can be arranged on the place, desired position, as the intense light source that adds of part.

Though the structure of above-mentioned known projecting lamp can realize adding as the part effect of intense light source, but because its illuminating part 61 is the illuminator of high brightness, therefore, meeting relative when it is luminous produces high heat, if can not in time dispel the heat, then will cause illuminating part 61 overheated and damage, so that the heat radiation of this projecting lamp also seems is very important.And be example with this known projecting lamp, in its when heat radiation, is by dispelling the heat between the cover body 6 made by the aluminium extruded type fin and the extraneous air, but owing to be that simple assembly contacts between cover body 6 and the illuminating part 61, its the two there is no any transmitting medium, therefore cause the speed of illuminating part 61 transmission heats relatively poor, its heat can't guide to rapidly on the cover body 6 and between the extraneous air and dispel the heat, most of heat is hoarded on illuminating part 61, cause the not good phenomenon of radiating effect, illuminating part 61 is easily damaged because of overheated, reduced its service life.

Content of the present utility model

Main purpose of the present utility model is to solve the defective that exists in the above-mentioned prior art, makes this LED projecting lamp utilize the setting of first heat-sink unit and the 3rd radiator, and brings into play preferable radiating effect in use.

To achieve these goals, the utility model provides a kind of radiator structure of LED projecting lamp, comprising: have first heat-sink unit of hollow bulb, have reflector and the 3rd radiator in this hollow bulb one end; This luminescence unit pastes on arbitrary of the 3rd radiator, and the light source projects place is corresponding to this reflector, and the hollow bulb other end is provided with linkage unit.

The radiator structure of LED projecting lamp of the present utility model can make this LED projecting lamp bring into play preferable radiating effect in use, guarantees its operate as normal and has prolonged service life.

Brief description of drawings

Fig. 1 is the three-dimensional exploded view of the utility model first embodiment;

Fig. 2 is the stereo appearance figure of the utility model first embodiment;

Fig. 3 is the profile status figure of the utility model first embodiment;

Fig. 4 is the state diagram of looking up of the utility model first embodiment;

Fig. 5 is the user mode figure of the utility model first embodiment;

Fig. 6 is the user mode profile of the utility model second embodiment;

Fig. 7 is the user mode profile of the utility model the 3rd embodiment;

Fig. 8 is the three-dimensional exploded view of the utility model the 4th embodiment.

Fig. 9 is the stereo appearance figure of known projecting lamp.

In the accompanying drawing, the list of parts of each label representative is as follows:

1-first heat-sink unit

The 11-first radiator 12-second radiator 13-the 3rd radiator

111,121,111a, 121a-radiating fin 112,122-hollow bulb

113,123-accommodation space 114-perforation

14-reflector 15-locked assembly

The 2-luminescence unit

21-circuit board 22-illuminator

The 3-linkage unit

31-transformer 32-lead 33-link

34-inlet 35-suspension bracket

The 4-external power source

5-second heat-sink unit

The specific embodiment

Relevant technology contents of the present utility model and detailed description, existing conjunction with figs. is described as follows:

Fig. 1, Fig. 2 and Fig. 3 are respectively three-dimensional exploded view, stereo appearance figure and the profile status figure of the utility model first embodiment.As Fig. 1, Fig. 2 and shown in Figure 3, the utility model provides a kind of radiator structure of LED projecting lamp, and it comprises first heat-sink unit 1, luminescence unit 2 and linkage unit 3, can make this LED projecting lamp bring into play preferable radiating effect in use.

First heat-sink unit 1 comprises having a plurality of radiating fin 111,121 formed first radiator 11 and second radiators 12.Between first and

second radiator

11,12, be provided with the accommodation space 113,123 of ccontaining the 3rd radiator 13, in accommodation space 113,123, be provided with hollow bulb 112,122; In the hollow bulb 122 of second radiator 12, be provided with reflector 14, and first and

second radiator

11,12 is fixedly connected by locked assembly 15;

Luminescence unit 2 comprises circuit board 21 and a plurality of illuminator (LED) 22 that is encapsulated on the circuit board 21.Circuit board 21 pastes on arbitrary of the 3rd radiator (temperature-uniforming plate) 13, and illuminator (LED) 22 is corresponding to set reflector 14 in second radiator 12;

Linkage unit 3 is arranged on an end of the hollow bulb 112 of first radiator 11, has transformer 31 in it, but its outer link 33 with socket power; Transformer 31 is connected with the circuit board 21 of luminescence unit 2 by lead 32, and after link 33 and supply socket grafting, power supply is inputed to transformer 31 transformations one-tenth can provide luminescence unit 2 required power supply.

Can constitute the radiator structure of brand-new LED projecting lamp by said structure.

Fig. 4 and Fig. 5 look up state diagram and user mode profile for the utility model first embodiment's.As Fig. 4 and shown in Figure 5, present embodiment can utilize the link 33 of linkage unit 3 to be connected with external power source 4 in use, can import external power source after transformation, and the required power supply of a plurality of illuminators 22 of luminescence unit 2 is provided.When a plurality of illuminators 22 in use produce heat, after this heat is directly absorbed by the 3rd radiator 13, be transmitted to first and

second radiator

11,12 of first heat-sink unit 1 fast by the 3rd radiator 13, conduct to again on each radiating fin 111,121, to reach the dissipation of heat, guarantee luminescence unit 2 operate as normal and prolonged service life.

Fig. 6 is the user mode profile of the utility model second embodiment.Wherein, can be provided with second heat-sink unit, 5, the second heat-sink units 5 between linkage unit 3 in the present embodiment and the 3rd radiator 13 and can be fan.On the wall of the hollow bulb 112 of first radiator 11, have a plurality of perforation 114 and offer a plurality of inlets 34 at linkage unit 3 ends, when second heat-sink unit 5 rotates, after outer gas stream can being entered by inlet 34 guidings, blow on the 3rd radiator 13, by a plurality of perforation 114 of first radiator 11 air-flow is derived again, form the radiating mode of forced convertion, to improve the radiating efficiency of LED projecting lamp.

Fig. 7 is the user mode profile of the utility model the 3rd embodiment.In the present embodiment, can further set up suspension bracket 35, be available for users to the LED projecting lamp is hung on ceiling in linkage unit 3 outsides, or the place of required use.

Fig. 8 is the three-dimensional exploded view of the utility model the 4th embodiment.In the present embodiment, first and

second radiator

11,12 comprises a plurality of to inside and outside radial fin 111,111a, 121,121a; On the 3rd radiator 13, have a plurality of perforation 131, except that the function that can act as the reinforcement of heat dissipation ventilation mouth and structure, also can pass with luminescence unit 2 and is connected for lead 32, at linkage unit 3 with after the supply socket (not shown) is connected, can pass through lead 32 with power delivery to luminescence unit 2.

The above only is a preferred embodiment of the present utility model, be not so promptly limit claim of the present utility model, the equivalent structure transformation that every utilization the utility model specification and accompanying drawing content are done, directly or indirectly be used in other relevant technical field, all in like manner be included in the claim of the present utility model.

Claims

1. the radiator structure of a LED projecting lamp is characterized in that, comprising:

First heat-sink unit has hollow bulb on it, be provided with the 3rd radiator in described hollow bulb;

Reflector is arranged in the described hollow bulb;

Luminescence unit is arranged on arbitrary of described the 3rd radiator, and described light source projects place is corresponding to described reflector; And,

Linkage unit is arranged on an end of described hollow bulb.

2. the radiator structure of LED projecting lamp as claimed in claim 1, it is characterized in that described first heat-sink unit comprises first, second radiator, the accommodation space that in described first and second radiator, has ccontaining described the 3rd radiator, described first and second radiator comprises a plurality of fins, and described first and second radiator is fixedly connected by locked assembly.

3. the radiator structure of LED projecting lamp as claimed in claim 2, it is a plurality of to inside and outside radial fin to it is characterized in that described first and second radiator comprises.

4. the radiator structure of LED projecting lamp as claimed in claim 1 is characterized in that described luminescence unit comprises circuit board and a plurality of illuminator that is encapsulated on the described circuit board, and described illuminator is LED.

5. the radiator structure of LED projecting lamp as claimed in claim 1 is characterized in that described linkage unit has transformer, and described transformer is connected with the circuit board of described luminescence unit by lead.

6. the radiator structure of LED projecting lamp as claimed in claim 1 is characterized in that described linkage unit outside is provided with link and suspension bracket.

7. as the radiator structure of each described LED projecting lamp among the claim 1-6, wherein said the 3rd radiator is a temperature-uniforming plate.

8. the radiator structure of LED projecting lamp as claimed in claim 7 is characterized in that having a plurality of perforation on described the 3rd radiator.

9. the radiator structure of a LED projecting lamp is characterized in that, comprising:

First heat-sink unit has hollow bulb on it, be provided with the 3rd radiator in described hollow bulb, is provided with at least one perforation on described hollow bulb inwall;

Reflector is arranged in the described hollow bulb;

Luminescence unit is arranged on arbitrary of described the 3rd radiator, and described light source projects place is corresponding to described reflector;

Linkage unit is arranged on an end of described hollow bulb, and its outside has and inner inlet communicating; And,

Second heat-sink unit is arranged in the described hollow bulb, and between described linkage unit and the 3rd radiator.

10. the radiator structure of LED projecting lamp as claimed in claim 9 is characterized in that described second heat-sink unit is a fan.