CN202302834U

CN202302834U - Light-emitting diode (LED) lamp with radiating structure

Info

Publication number: CN202302834U
Application number: CN2011203787909U
Authority: CN
Inventors: 陈信呈; 詹勋政; 张家华; 林耀宗; 李玉腾; 庄朝印
Original assignee: PRO-RIGHT-TECHNOLOGY Co Ltd
Current assignee: PRO-RIGHT-TECHNOLOGY Co Ltd
Priority date: 2011-09-28
Filing date: 2011-09-28
Publication date: 2012-07-04
Anticipated expiration: 2021-09-28

Abstract

A light-emitting diode (LED) lamp with a radiating structure comprises a heat-conducting plastic base, a light-emitting module, a casing and a base. A fixing part is formed at one end of the heat-conducting plastic base, the light-emitting module comprises a circuit board and at least one LED, the light-emitting module is arranged on the fixing part of the heat-conducting plastic base, a plurality of air inlet holes and a plurality of air outlet holes are arranged on the casing, the heat-conducting plastic base is arranged in a containing space of the casing, and a flow passage between the air inlet holes and the air outlet holes is formed between the heat-conducting plastic base and the casing. Therefore, the LED lamp which is light in weight, capable of reducing rear-processing and reducing production cost, in accordance with environment protection, attractive in appearance and good in performance and can not lead users to be scalded is formed.

Description

Led lamp with radiator structure

Technical field

The utility model relates to a kind of lighting, refers to a kind of led lamp with radiator structure especially.

Background technology

Long service life, power consumption are low because light emitting diode (LED) has, high brightness and material be than multiple advantages such as environmental protection; Make it receive use that all circles accept gradually; Therefore industry all is devoted to use various research and development and the improvement that light emitting diode carries out lighting, so that light emitting diode can more general application.

Known bulb type led lamp all is provided with an aluminium extruded type radiator, and this radiator can be in order to assist the light fixture heat radiation.Yet this radiator is processed with metal material (aluminium), and weight is heavier, and needs after the moulding of aluminium extruded type radiator cause the increase of processing cost through processing later, and aluminium die casting processing procedure is to belong to highly energy-consuming, does not meet environmental protection.Moreover radiator is exposed to the outside, and is more not attractive in appearance, and when changing the outfit light fixture, easily Yin Gaowen and scald the user.

So the improving of the above-mentioned defective of inventor's thoughts is that the spy concentrates on studies and cooperates the utilization of scientific principle, propose a kind of reasonable in design and effectively improve the utility model of above-mentioned defective finally.

The utility model content

The main purpose of the utility model is to provide a kind of led lamp with radiator structure, and weight is lighter, can reduce back processing, cuts down finished cost, and meets environmental protection, and aesthetic property is good, and when changing the outfit light fixture, can Yin Gaowen and scald the user.

The utility model embodiment provides a kind of led lamp with radiator structure, comprising: a heat-conducting plastic seat, and this heat-conducting plastic seat outer rim is provided with a plurality of fins, and this heat-conducting plastic seat is formed with a fixed part; One light emitting module, this light emitting module comprise a circuit board and are arranged at least one light emitting diode on this circuit board, and this light emitting module is arranged on the fixed part of this heat-conducting plastic seat; One shell; This enclosure is formed with an accommodation space; This shell is provided with a plurality of fresh air inlets and a plurality of exhaust vent, and this heat-conducting plastic seat is arranged in the accommodation space of this shell, the runner of formation one between these fresh air inlets and these exhaust vents between this heat-conducting plastic seat and this shell; And a base, this base is connected in this shell, and this base is electrically connected at this light emitting module.

Further, shell one end place is located in the fresh air inlet compartment of terrain, and extends to the shell inner edge.

Further, shell other end place is located in the exhaust vent compartment of terrain, and exhaust vent runs through shell outer rim and inner edge.

Further, the heat-conducting plastic seat is a composite material element.

Further, the shell inner edge forms curved surface.

Further, said heat-conducting plastic seat is the above pedestal of coefficient of heat conduction 3.5W/mk.

Further, fixed part be one with the corresponding groove of light emitting module profile.

Further, light emitting module locks with a plurality of screws and is fixed on the heat-conducting plastic seat, and the heat-conducting plastic seat locks with screw and is fixed in shell.

Further, base has a pedestal, and a pedestal outer rim and an end are respectively equipped with electric conductor, and electric conductor is electrically connected at light emitting module.

Further, the led lamp of this radiator structure further comprises a lampshade, and lampshade covers at outside the light emitting module, and the lampshade edge is fixed in shell one end.

The utility model can have following useful effect:

The utility model is provided with fresh air inlet and exhaust vent in shell, and between fresh air inlet and exhaust vent, is formed with runner, therefore adopts cold air to go into by descending, and hot-air reaches the thermal convection current effect toward the rising principle, reaches the purpose of heat radiation to utilize free convection.

The utility model replaces known aluminium extruded type radiator with the heat-conducting plastic seat; Weight is lighter, reaches the light weight design, and replaces known die casting processing procedure with the plastics jetting process; Do not need back processing and anode treatment; Can cut down finished cost, the plastics ejection formation can save energy and reduce the discharging of carbon, meets environmental protection.

The utility model is hidden in enclosure with the heat-conducting plastic seat, is about to heat dissipation element and imports lamp interior, reaches the aesthetic function design, and when changing the outfit light fixture, can Yin Gaowen and scald the user.

For enabling further to understand the characteristic and the technology contents of the utility model, see also following detailed description and accompanying drawing, yet appended graphic reference and the explanation usefulness of only providing not is to be used for to the utility model limitr in addition about the utility model.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the utility model led lamp.

Fig. 2 is the three-dimensional exploded view of another angle of the utility model led lamp.

Fig. 3 is the three-dimensional combination figure of the utility model led lamp.

Fig. 4 is the three-dimensional combination figure of another angle of the utility model led lamp.

Fig. 5 is the three-dimensional cutaway view of the utility model led lamp.

Fig. 6 is the section plan of the utility model led lamp.

Fig. 7 is the user mode sketch map of the utility model led lamp.

[main element symbol description]

1 heat-conducting plastic seat

11 fins

12 is fixing

2 light emitting modules

21 circuit boards

22 light emitting diodes

23 screws

3 shells

31 accommodation spaces

32 fresh air inlets

33 exhaust vents

34 double-screw bolts

35 runners

4 lampshades

5 bases

51 pedestals

52 electric conductors

53 electric conductors

The specific embodiment

See also Fig. 1 to Fig. 6, the utility model provides a kind of led lamp with radiator structure, includes a heat-conducting plastic seat 1, a light emitting module 2, a shell 3, a lampshade 4 and a base 5.

Heat-conducting plastic seat 1 is to have the plastic material ejection formation of thermal conductivity, and its material does not limit, but the coefficient of heat conduction of Heat Conduction Material is to reach more than the 3.5W/mk for preferable.Heat-conducting plastic seat 1 is a composite material element in the present embodiment, and it is to process with micro-nano metal and graphite material.Heat-conducting plastic seat 1 is a pedestal; Can be hollow body, outer rim is provided with a plurality of fins 11, and fin 11 compartment of terrains are located on heat-conducting plastic seat 1 outer rim in the present embodiment; But the shape of fin 11 does not limit; Can change in response to needs, utilize the design of fin 11 to increase the structural table area, can reach high heat dissipation efficiency.Heat-conducting plastic seat 1 one ends are formed with a fixed part 12, in order to fixing light emitting module 2, in the present embodiment fixed part 12 be one with the corresponding circular groove of light emitting module 2 profiles so that hold light emitting module 2.

Light emitting module 2 comprises a circuit board 21 and at least one light emitting diode 22, is provided with a plurality of light emitting diodes 22 in the present embodiment, and these light emitting diodes 22 are arranged on the circuit board 21, and light emitting diode 22 is reached electric connection with circuit board 21.Light emitting module 2 is arranged on the fixed part 12 of heat-conducting plastic seat 1; And circuit board 21 contacts with the fixed part 12 of heat-conducting plastic seat 1; Also can be provided with heat-conducting glue between circuit board 21 and the heat-conducting plastic seat 1, can the heat that these light emitting diodes 22 are produced be conducted to heat-conducting plastic seat 1.Light emitting module 2 also can a plurality of screws 23 locks and is fixed on the heat-conducting plastic seat 1.

Shell 3 is processed with plastic material, also is that shell 3 is working of plastics, and shell 3 is hollow body, and inside is formed with an accommodation space 31, and shell 3 inner edges form curved surface, and shell 3 two ends form the opening shape.Shell 3 one ends (lower end) are provided with a plurality of fresh air inlets 32, and shell 3 one end places are located in these fresh air inlet 32 compartment of terrains, and extend to shell 3 inner edges.Shell 3 other ends (upper end) are provided with a plurality of exhaust vents 33, and shell 3 other end places are located in these exhaust vent 33 compartment of terrains, and these exhaust vents 33 run through shell 3 outer rims and inner edge.

Heat-conducting plastic seat 1 is arranged in the accommodation space 31 of shell 3; And heat-conducting plastic seat 1 can be fixed in shell 3 with modes such as screw 23 lock; Be that these screws 23 can pass heat-conducting plastic seat 1 one ends; And then be spirally connected and be fixed in the corresponding double-screw bolt 34 of shell 3 inner edges, use heat-conducting plastic seat 1 is fixed in shell 3.Have appropriate gap between heat-conducting plastic seat 1 and the shell 3, in order to form one be positioned at heat-conducting plastic seat 1 outside runner 35, and runner 35 is between these fresh air inlets 32 and these exhaust vents 33.

Lampshade 4 is processed with the material with light transmission, and lampshade 4 is the hollow form cover body, and it covers at outside the light emitting module 2, can be in order to protection light emitting module 2.Lampshade 4 edges can clamping or mode such as gluing be fixed in shell 3 one ends (lower end).The light that these light emitting diodes 22 produce can see through lampshade 4 to external exposure.

The form of base 5 does not limit; In the present embodiment, base 5 is the E27 form, and base 5 has a pedestal 51; Pedestal 51 is processed with insulating materials such as plastics; Pedestal 51 outer rims and an end (upper end) are provided with

electric conductor

52 and 53,

electric conductor

52 and 53 can through power supply transfer circuit (figure slightly) suitable be electrically connected at light emitting module 2, make base 5 be electrically connected at light emitting module 1.Base 5 can clamping or mode such as gluing be connected in shell 3 other ends (upper end); Because of the structure of base 5 belongs to known technology, and the utility model base 5 is not restricted to the E27 form, also can be other joint form such as MR16, so will not give unnecessary details.

The utility model mainly is provided with a heat-conducting plastic seat 1, can the heat that light emitting module 2 is produced be conducted to heat-conducting plastic seat 1, in order to assist light emitting module 2 heat radiations, show according to data in literature, the plastic hot radiation cause heat-sinking capability approximately than the aluminium Senior Three doubly more than.Below be thermoradiation efficiency to the heat radiation power comparison sheet:

In addition, the utility model is provided with fresh air inlet 32 and exhaust vent 33 in shell 3, and between fresh air inlet 32 and exhaust vent 33, is formed with runner 35, therefore adopts cold air to go into by descending, and hot-air reaches the thermal convection current effect toward the rising principle.As shown in Figure 7, cold air can get into lamp interior by fresh air inlet 32 and runner 35, after carrying out heat exchange with heat-conducting plastic seat 1, discharges hot-air by exhaust vent 33 again, reaches the purpose of heat radiation to utilize free convection.

The utility model replaces known aluminium extruded type radiator with heat-conducting plastic seat 1; Weight is lighter, reaches the light weight design, and replaces known die casting processing procedure with the plastics jetting process; Do not need back processing and anode treatment; Can cut down finished cost, the plastics ejection formation can save energy and reduce the discharging of carbon, meets environmental protection.Moreover the utility model is hidden in shell 3 inside with heat-conducting plastic seat 1, is about to heat dissipation element and imports lamp interior, reaches the aesthetic function design, and when changing the outfit light fixture, can Yin Gaowen and scald the user.

Yet the above is merely the preferred embodiment of the utility model; The non-scope of patent protection that is intended to limit to the utility model; So the equivalence of using the utility model specification and graphic content to do such as changes; All in like manner all be contained in the claim protection domain of the utility model, close and give Chen Ming.

Claims

1. the led lamp with radiator structure is characterized in that, said led lamp comprises:

One heat-conducting plastic seat, said heat-conducting plastic seat outer rim is provided with a plurality of fins, and said heat-conducting plastic seat is formed with a fixed part;

One light emitting module, said light emitting module comprise a circuit board and are arranged at least one light emitting diode on the said circuit board, and said light emitting module is arranged on the fixed part of said heat-conducting plastic seat;

One shell; Said enclosure is formed with an accommodation space; Said shell is provided with a plurality of fresh air inlets and a plurality of exhaust vent; Said heat-conducting plastic seat is arranged in the accommodation space of said shell, the runner of formation one between said fresh air inlet and said exhaust vent between said heat-conducting plastic seat and the said shell; And

One base, said base is connected in said shell, and said base is electrically connected at said light emitting module.

2. the led lamp with radiator structure according to claim 1 is characterized in that, said shell one end place is located in said fresh air inlet compartment of terrain, and extends to said shell inner edge.

3. the led lamp with radiator structure according to claim 2 is characterized in that, said shell other end place is located in said exhaust vent compartment of terrain, and said exhaust vent runs through said shell outer rim and inner edge.

4. the led lamp with radiator structure according to claim 1 is characterized in that, said heat-conducting plastic seat is a composite material element.

5. the led lamp with radiator structure according to claim 1 is characterized in that, said shell inner edge forms curved surface.

6. according to each described led lamp in the claim 1 to 5, it is characterized in that with radiator structure, said fixed part be one with the corresponding groove of said light emitting module profile.

7. according to each described led lamp in the claim 1 to 5 with radiator structure; It is characterized in that; Said light emitting module locks with a plurality of screws and is fixed on the said heat-conducting plastic seat, and said heat-conducting plastic seat locks with said screw and is fixed in said shell.

8. according to each described led lamp with radiator structure in the claim 1 to 5, it is characterized in that said base has a pedestal, a said pedestal outer rim and an end are respectively equipped with electric conductor, and said electric conductor is electrically connected at said light emitting module.

9. according to each described led lamp in the claim 1 to 5 with radiator structure; It is characterized in that; Said led lamp further comprises a lampshade, and said lampshade covers at outside the said light emitting module, and said lampshade edge is fixed in said shell one end.