CN204127739U

CN204127739U - LED lighting device

Info

Publication number: CN204127739U
Application number: CN201420664101.4U
Authority: CN
Inventors: 林邱毅
Original assignee: TAIWAN INSPUR TECHNOLOGY Co Ltd
Current assignee: TAIWAN INSPUR TECHNOLOGY Co Ltd
Priority date: 2014-11-07
Filing date: 2014-11-07
Publication date: 2015-01-28
Anticipated expiration: 2024-11-07

Abstract

A kind of LED lighting device, it comprises: a lamp socket; One heat-sink unit to be longitudinally plugged in lamp socket and to comprise radiating piece in a thermal column and, thermal column has a heat radiation perforation and a relative internal face and an outside wall surface, internal face is towards heat radiation perforation, interior radiating piece is installed in heat radiation and bores a hole interior and have multiple radiating fin radially arranged, form a gap between wantonly two adjacent radiating fins, a side of each radiating fin contacts with internal face; Multiple light-emittingdiode illuminating part is installed in outside wall surface and is electrically connected with lamp socket; One lampshade is established heat-sink unit and light-emittingdiode illuminating part and is assembled with lamp socket.The utility model mat thermal column and radiating fin remove heat energy, and hot gas is mat gap or heat radiation perforation also, is discharged, make the utility model have good radiating effect by passage.

Description

LED lighting device

Technical field

The utility model, about a kind of LED lighting device, refers in particular to a kind of LED lighting device with good heat radiating usefulness.

Background technology

In recent years flourish due to light-emittingdiode (light emitting diode) technology, there is because of light-emittingdiode the advantages such as high brightness, power saving, long service life and environmental protection, and when carbon reduction consciousness comes back gradually, take light-emittingdiode as lighting apparatus also gradually universal of illuminating part.

So, the luminous efficacy of light-emittingdiode affects very huge by the heat dissipation of its device, because will heat be produced in the process of light-emittingdiode luminescence, and accumulation of heat causes the rising of temperature, too high temperature will cause the luminous efficacy of light-emittingdiode to reduce, and is therefore the design that the lighting apparatus of illuminating part all comprises radiator structure on the market with light-emittingdiode.

Be illustrated in figure 5 a LED lighting device 9 on the market, it comprises: lamp socket 90, heat sink 91, light-emittingdiode illuminating part 92 and a lampshade 93, this heat sink 91 level is installed in this lamp socket 90, this light-emittingdiode illuminating part 92 is installed in the one side of this heat sink 91 relative to this lamp socket 90, and this lampshade 93 cover is established this light-emittingdiode illuminating part 92 and this heat sink 91 and is assembled with this lamp socket 90.The heat penetration that the light-emittingdiode illuminating part 92 of this LED lighting device 9 on the market produces in luminescence process is crossed this heat sink 91 and is removed, and avoids accumulation of heat to cause temperature to raise.So, only the forward radiating efficiency stating single heat sink 91 is unevident, and being installed in the one side of this heat sink 91 relative to this lamp socket 90 due to this light-emittingdiode illuminating part 92, the light that therefore this light-emittingdiode illuminating part 92 produces cannot contain the one side of this heat sink 91 relative to this light-emittingdiode illuminating part 92.

Utility model content

The purpose of this utility model is the radiating efficiency promoting with light-emittingdiode the lighting apparatus being illuminating part, and improves the covering scope of the light that lighting apparatus produces.

The utility model provides a kind of LED lighting device, and it comprises:

One lamp socket;

One heat-sink unit, it to be longitudinally plugged on this lamp socket and to comprise radiating piece in a thermal column and, this thermal column has heat radiation perforation and a relative internal face and an outside wall surface, this heat radiation perforation longitudinal running through is molded over this thermal column, and this heat radiation perforation has a central shaft, this internal face is bored a hole towards this heat radiation, this interior radiating piece is installed in this heat radiation and bores a hole interior and have multiple radiating fin, the central shaft of this heat radiation of these radiating fins perforation radially arranges, and form a gap between wantonly two adjacent radiating fins, one side of each radiating fin contacts with the internal face of this thermal column,

Multiple light-emittingdiode illuminating part, it is installed in the outside wall surface of this thermal column and is electrically connected with this lamp socket;

One lampshade, its cover is established this heat-sink unit and these light-emittingdiode illuminating parts and is assembled with this lamp socket.

Because this heat-sink unit is longitudinally plugged in this inner space, therefore the covering scope of light that the light-emittingdiode illuminating part being installed in this heat-sink unit produces will be greater than LED lighting device on the market.

Preferably, this lamp socket comprises an electrical connection section, a sidewall and an inner space, the side of this sidewall is connected with this electrical connection section and around forming this inner space, this sidewall has an opening and multiple passage, this opening is positioned at this sidewall relative to the side of this electrical connection section and is connected with this inner space, and these passages wear on the side wall and be connected with this inner space; And this heat-sink unit is also longitudinally plugged in this inner space through this opening; These light-emittingdiode illuminating parts are electrically connected with this electrical connection section.

Preferably, each light-emittingdiode illuminating part comprises a circuit board and multiple light-emitting diodes body unit, this circuit board be sticked this thermal column outside wall surface and be electrically connected with this electrical connection section, these light-emitting diodes body units are installed in the one side of this circuit board relative to this thermal column.

Preferably, the sidewall of this lamp socket comprises a upper limb, and this upper limb is near this opening; This lampshade has a lower edge, and the upper limb of this lower edge and this lamp socket is assembled.

The heat energy that this thermal column of the utility model mat and these radiating fins produce when removing these light-emittingdiode illuminating parts luminescences, and the hot gas produced because of heat energy also can pass through aforesaid gap or heat radiation perforation, finally discharged outside this LED lighting device by these passages, make the utility model have good radiating effect.

Accompanying drawing explanation

Fig. 1 is the outside drawing of a preferred embodiment of the present utility model.

Fig. 2 is the exploded view of a preferred embodiment of the present utility model.

Fig. 3 is the profile of a preferred embodiment of the present utility model.

Fig. 4 is the outside drawing of another preferred embodiment of the present utility model.

Fig. 5 is the exploded view of a LED lighting device on the market.

Drawing reference numeral explanation

1 LED lighting device

10 lamp socket 11 electrical connection sections

12 sidewall 121 openings

122 passage 123 upper limbs

13 inner spaces

20 heat-sink unit 21 thermal columns

211 heat radiation perforation 212 internal faces

Radiating piece in 213 outside wall surface 22

221 radiating fin 222 gaps

30 light-emittingdiode illuminating part 31 circuit boards

32 light-emitting diodes body units

40 lampshade 41 lower edges

L1 long axis length L2 long axis length

9 LED lighting device 90 lamp sockets

91 heat sink 92 light-emittingdiode illuminating parts

93 lampshades

Detailed description of the invention

Below coordinating accompanying drawing and preferred embodiment of the present utility model, setting forth the technological means that the utility model is taked for reaching predetermined utility model object further.

As shown in Figure 1 and Figure 2, the utility model provides a kind of LED lighting device 1, and it comprises: lamp socket 10, heat-sink unit 20, multiple light-emittingdiode illuminating part 30 and a lampshade 40.

This lamp socket 10 comprises electrical connection section 11, sidewall 12 and an inner space 13, the side of this sidewall 12 is connected with this electrical connection section 11 and around forming this inner space 13, this sidewall 12 has an opening 121, multiple passage 122 and a upper limb 123, this opening 121 is positioned at this sidewall 12 relative to the side of this electrical connection section 11 and is connected with this inner space 13, the plurality of passage 122 to be located on this sidewall 12 and to be connected with this inner space 13, and this upper limb 123 is near this opening 121.

Coordinate shown in Fig. 2 and Fig. 3, this heat-sink unit 20 is also longitudinally plugged in this inner space 13 through this opening 121, this heat-sink unit 20 comprises radiating piece 22 in a thermal column 21 and, this thermal column 21 has heat radiation perforation 211 and relative internal face 212 and an outside wall surface 213, this heat radiation perforation 211 longitudinal running through is molded on this thermal column 21, and this heat radiation perforation 211 has a central shaft, this internal face 212 towards and around this heat radiation perforation 211, this interior radiating piece 22 be installed in this heat radiation perforation 211 in and there is multiple radiating fin 221, these radiating fins 221 radially arrange along the central shaft of this heat radiation perforation 211, and form a gap 222 between wantonly two adjacent radiating fins 221, one side of each radiating fin 221 contacts with the internal face 212 of this thermal column 21.

These light-emittingdiode illuminating parts 30 to be installed on this heat-sink unit 20 and to be electrically connected with this electrical connection section 11, each light-emittingdiode illuminating part 30 comprises a circuit board 31 and multiple light-emitting diodes body unit 32, this circuit board 31 be sticked this thermal column 21 outside wall surface 213 and be electrically connected with this electrical connection section 11, these light-emitting diodes body units 32 are installed in the one side of this circuit board 31 relative to this thermal column 21.Furthermore, the long axis length L1 of each radiating fin 221 and long axis length L2 of this circuit board 31 matches.

This lampshade 40 cover is established this heat-sink unit 20 with these light-emittingdiode illuminating parts 30 and is assembled with this lamp socket 10.Furthermore, this lampshade 40 has a lower edge 41, and this lower edge 41 is assembled with the upper limb 123 of this lamp socket 10, and shown in Fig. 1, the external form of this lampshade 40 is bullet type; Further, the external form of this lampshade 40 can be hot gas ball-type as shown in Figure 4.

LED lighting device of the present utility model in use, simultaneously through this thermal column and the structure with this radiating fin, the heat energy that these light-emittingdiode illuminating parts can be conducive to produce removes, the hot gas produced because of heat energy also can pass through aforesaid gap or heat radiation perforation and these passages and discharges outside this LED lighting device, reaches good radiating effect by this; Separately, because this heat-sink unit is longitudinally plugged in this inner space, the covering scope of the light that the light-emittingdiode illuminating part being therefore installed in this heat-sink unit produces will be greater than LED lighting device on the market.

The above is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any those skilled in the art, not departing from the scope of technical solutions of the utility model, the technology contents of above-mentioned announcement should be utilized to make a little change or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solutions of the utility model, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.

Claims

1. a LED lighting device, is characterized in that: comprise

One lamp socket;

One heat-sink unit, it to be longitudinally plugged on this lamp socket and to comprise radiating piece in a thermal column and, this thermal column has heat radiation perforation and a relative internal face and an outside wall surface, this heat radiation perforation longitudinal running through is molded on this thermal column, the internal face of this thermal column is bored a hole towards this heat radiation, this interior radiating piece is installed in this heat radiation and bores a hole interior and have multiple radiating fin, these radiating fins radially arrange along the central shaft of this heat radiation perforation, and form a gap between wantonly two adjacent radiating fins, one side of each radiating fin contacts with the internal face of this thermal column,

2. LED lighting device according to claim 1, it is characterized in that: this lamp socket comprises an electrical connection section, a sidewall and an inner space, the side of this sidewall is connected with this electrical connection section and around forming this inner space, this sidewall has an opening and multiple passage, this opening is positioned at this sidewall relative to the side of this electrical connection section and is connected with this inner space, and these passages wear on the side wall and be connected with this inner space; And this heat-sink unit is also longitudinally plugged in this inner space through this opening; These light-emittingdiode illuminating parts are electrically connected with this electrical connection section.

3. LED lighting device according to claim 2, it is characterized in that: each light-emittingdiode illuminating part comprises a circuit board and multiple light-emitting diodes body unit, this circuit board be sticked this thermal column outside wall surface and be electrically connected with this electrical connection section, these light-emitting diodes body units are installed in the one side of this circuit board relative to this thermal column.

4. LED lighting device according to claim 3, is characterized in that: the sidewall of this lamp socket comprises a upper limb, and this upper limb is near this opening; This lampshade has a lower edge, and the upper limb of this lower edge and this lamp socket is assembled.