CN202253017U

CN202253017U - Light-emitting diode (LED) bulb

Info

Publication number: CN202253017U
Application number: CN2011203478731U
Authority: CN
Inventors: 李国胜
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-09-16
Filing date: 2011-09-16
Publication date: 2012-05-30
Anticipated expiration: 2021-09-16

Abstract

The utility model discloses a light-emitting diode (LED) bulb, which comprises a lamp cap, a lamp holder, a radiator, a driver, a plurality of LED light sources and a plurality of light-transmitting covers, wherein the radiator is formed by a lower seat body and an upper seat body. The lower seat body has a tubular structure with an opening arranged at the lower end and is provided with a containing cavity for containing the driver, a clamp boss is formed at the central position of the top face of the lower seat body, the upper seat body is formed by a plurality of light installation blocks which are distributed at intervals in surrounding mode, and the upper ends of the light source installation blocks are integrally connected. The central position of the lower end face of the upper seat body recesses to form a clamp concave position matched with the clamp boss, the clamp boss is inserted into the clamp concave position and clamped by the plurality of light source installation blocks, and the lower seat body is connected with the upper seat body. A light source installation position is formed on each light source installation block, an LED light source is arranged on each light source installation position, and a light-transmitting cover is arranged on each light source installation position to cover the LED light source. The LED bulb has the advantages of being good in radiation effect and easy to manufacture.

Description

A kind of LED bulb

Technical field

The utility model relates to a kind of lighting device, refers in particular to a kind of light emitting diode (Light Emitting Diode; LED) bulb.

Background technology

Owing to have plurality of advantages such as low energy consumption, high light efficiency, long service life, environmental protection, the LED bulb replaces traditional incandescent lamp bulb and fluorescent lamp bulb just gradually, and is widely used in the illumination such as different places such as office, shelters.For the LED bulb; Heat radiation if the radiating effect of LED bulb is not good, and causes its operating temperature too high for weighing a very important factor of its performance; Certainly will influence it and export each item performances such as usefulness, service life such as light; Even, possibly occur causing scrapping of LED bulb because the heat alluvial too much and directly burns out the situation of led chip.

State Intellectual Property Office is that the utility model patent of CN20175296 promptly discloses a kind of LED bulb in the notification number of Granted publication on the 19th January in 2011; It includes a lamp socket, a lampshade, a plurality of LED lamp bar, one first radiator and one second radiator; A plurality of LED lamp bars are arranged on first radiator; Lampshade holds LED lamp bar and first radiator in it, and second radiator connects with first radiator and is positioned at outside the lampshade, and lamp socket then is connected in the end with respect to first radiator of second radiator; Preferably, one the 3rd radiator can be set between first radiator and second radiator.So, the heat that the LED bulb produced can cause to second radiator by first radiator (or again through the 3rd radiator), is gone out by second heat sink radiates, thereby dispels the heat effectively.

Though the disclosed LED bulb structure of above-mentioned utility model can improve the radiating efficiency of LED bulb to a certain extent; Yet; Its structure still exists unreasonable part; For example the LED lamp bar and first radiator are lampshade institute cover cap, and the heat that is produced deposits in lampshade easily, and its radiating effect remains further to be improved.

Summary of the invention

The utility model is to solve the existing not good technical problem of the existing radiating effect of LED bulb, and a kind of LED bulb that has great heat radiation effect and be easy to make is provided.

For solving the problems of the technologies described above, the utility model adopts the technical scheme that is described below: a kind of LED bulb includes a lamp holder, a lamp socket, a radiator, a driver, a plurality of led light source and a plurality of diffuser; Wherein, Said radiator is fixedly set on the said lamp socket, and said lamp holder then is fixedly connected with said lamp socket, and said driver places within the said radiator; And be electrically connected with said lamp holder, led light source respectively; Said radiator is made up of a lower base and a upper pedestal, and said lower base is the tubular structure of lower ending opening, its have one be used to install said driver ccontaining cavity; And be formed with a clamping boss in its end face centre; Said upper pedestal is made up of around the light source mounting blocks that distributes and the upper end fuses a plurality of spacer rings, from its lower surface centre recessed and be formed with one be matched with said clamping boss the clamping recess, said clamping boss is inserted among the said clamping recess and is clamped by a plurality of light source mounting blocks; And realize the connection of said lower base and upper pedestal; Be formed with a light source installation position on each light source mounting blocks, each light source installation position is provided with a led light source, and a diffuser is set above that and with said led light source cover cap in it.

In the above-mentioned LED bulb, respectively be formed with a flange corresponding to the gap location between the said light source mounting blocks on the outer surface of said clamping boss, said flange is placed in the corresponding gap respectively and is clamped by said light source mounting blocks.

In the above-mentioned LED bulb, each light source installation position is provided with a reflecting component, and set LED exposes outside said reflecting component on the said led light source.

In the above-mentioned LED bulb, the end face place of said lower base is formed with at least one first air vent, is formed with at least one the 3rd air vent that runs through said ccontaining cavity on the said lamp socket.

In the above-mentioned LED bulb, the end face place of said clamping boss is formed with at least one second air vent, is formed with at least one the 3rd air vent that runs through said ccontaining cavity on the said lamp socket.

In the above-mentioned LED bulb, on the outer surface of said lower base corresponding to the corresponding ventilation slot that is formed with of the gap location between the said light source mounting blocks.

In the above-mentioned LED bulb, said radiator is the radiator of aluminum alloy materials preparation.

In the above-mentioned LED bulb, said diffuser is for adopting the diffuser of PC plastics or glass preparation.

The useful technique effect of the utility model is: the heat that is produced during led light source work can be distributed with conducting to the outer surface of lower base via the side of light source mounting blocks; Its area of dissipation is bigger, makes the radiating effect of LED bulb obtain raising by a relatively large margin; In addition, radiator is connected by a lower base and a upper pedestal and forms, but not one-body molded preparation, helps reducing the difficulty of radiator processing, is convenient to the manufacturing of radiator 30.

Description of drawings

Fig. 1 is the perspective view of the utility model.

Fig. 2 is the part-structure sketch map of the utility model.

Fig. 3 is the decomposition texture sketch map of the utility model.

Fig. 4 is the sectional structure sketch map of the radiator of the utility model.

Fig. 5 is the structural representation of lower base of the radiator of the utility model.

Fig. 6 is the structural representation of upper pedestal of the radiator of the utility model.

The specific embodiment

For making those of ordinary skill in the art be expressly understood purpose, technical scheme and the advantage of the utility model more, the utility model is done further elaboration below in conjunction with accompanying drawing and embodiment.

Referring to figs. 1 to shown in Figure 3; LED bulb disclosed in the utility model includes a lamp holder 10, a lamp socket 20, a radiator 30, a driver (not illustrating among the figure), a plurality of led light source 40 and a plurality of diffuser 50; Wherein, led light source 40 is arranged on the radiator 30, and for being arranged at 50 cover caps of diffuser on the radiator 30; Radiator 30 is fixedly set on the lamp socket 20; Lamp holder 10 then is fixedly connected with lamp socket 20, and driver places within the radiator 30, and it is electrically connected with lamp holder 10, led light source 40 respectively.

To shown in Figure 6, this radiator 30 is made up of the upper pedestal 310 that a lower base 300 and is connected on this lower base 300 in conjunction with Fig. 4, and both all can adopt the metal material preparation with good heat conductive performance such as aluminium alloy etc.This lower base 300 is designed to the tubular structure of lower ending opening, its have one be used to install the driver of LED bulb ccontaining cavity 301, and be formed with a clamping boss 302 in its end face centre.This upper pedestal 310 is made up of around the light source mounting blocks 311 that distributes and the upper end fuses a plurality of spacer rings, from its lower surface centre recessed and be formed with one be matched with clamping boss 302 clamping recess 312.This clamping boss 302 is inserted among this clamping recess 312 and by 311 clampings of a plurality of light source mounting blocks, thereby realizes the connection of lower base 300 and upper pedestal 310.In this embodiment, radiator 30 is connected by a lower base 300 and a upper pedestal 310 and forms, but not one-body molded preparation, helps reducing the difficulty of radiator 30 processing, is convenient to the manufacturing of radiator 30.

Preferably; The outer surface of this clamping boss 302 respectively is formed with a flange 303 corresponding to 313 places, gap between the two light source mounting blocks 311; This flange 303 is placed in the corresponding gap 313 respectively and is 311 clampings of light source mounting blocks; Adopt said structure, contrapositions when helping lower base 300 to connect with upper pedestal 310, the two makes that the connection between lower base 300 and the upper pedestal 310 is more firm.

Be formed with a light source installation position 314 on each light source mounting blocks 311, each light source installation position 314 is provided with a led light source 40.Led light source 40 through lead be arranged at this ccontaining cavity 301 in electric connection of driver, thereby obtain operating current and the LED400 that drives on it is luminous, to play the usefulness of illumination.

Each light source installation position 314 is provided with a diffuser 50, and led light source 40 cover caps on this light source installation position 303 are in it.Transparent or semitransparent material preparations that this diffuser 50 adopts such as PC plastics, glass, the light that capable for LED light source 40 is produced transmits, and to its carry out luminous intensity distribution and obtain to stablize, illumination light uniformly.

Preferably, each light source installation position 314 is provided with a reflecting component 60, and set LED400 exposes outside this reflecting component 60 on the led light source 40; Like this; The light that led light source 40 sends is gone out through the reflection and the projection of this reflecting component 60, can reduce light loss, improves light efficiency.

The heat that is produced during led light source 40 work can be distributed with conducting to the outer surface of lower base 300 via the side of light source mounting blocks 311, and its area of dissipation is bigger, makes the radiating effect of LED bulb obtain raising by a relatively large margin.

Preferably; The end face place of this lower base 300 is formed with at least one first air vent 304; And the end face place of this clamping boss 302 is formed with at least one second air vent 305, and on this lamp socket 20, is formed with at least one the 3rd air vent 200 that runs through ccontaining cavity 301.So, can form the heat dissipation wind channel of a smooth and easy circulation, with distributing of quickening heat, and the radiating effect of raising LED bulb.

Further, on the outer surface of this lower base 300 corresponding to the corresponding ventilation slot 306 that is formed with in 313 places, the gap between the light source mounting blocks 311.Adopt said structure, help in the smooth and easy inflow of the air gap 313, and improve the effect of heat radiation.

The above is merely the preferred embodiment of the utility model, but not the utility model is done any pro forma restriction.Those skilled in the art can impose various changes that are equal to and improvement on the basis of the foregoing description, all equivalent variations or modifications of in the claim scope, being done all should fall within the protection domain of the utility model.

Claims

1. LED bulb; Include a lamp holder (10), a lamp socket (20), a radiator (30), a driver, a plurality of led light source (40) and a plurality of diffuser (50); Wherein, Said radiator (30) is fixedly set on the said lamp socket (20), and said lamp holder (10) then is fixedly connected with said lamp socket (20), and said driver places within the said radiator (30); And be electrically connected with said lamp holder (10), led light source (40) respectively; It is characterized in that: said radiator (30) is made up of a lower base (300) and a upper pedestal (310), and said lower base (300) is the tubular structure of lower ending opening, its have one be used to install said driver ccontaining cavity (301); And be formed with a clamping boss (302) in its end face centre; Said upper pedestal (310) is made up of around the light source mounting blocks (311) that distributes and the upper end fuses a plurality of spacer rings, from its lower surface centre recessed and be formed with one be matched with said clamping boss (302) clamping recess (312), said clamping boss (302) is inserted among the said clamping recess (312) and is clamped by a plurality of light source mounting blocks (311); And realize the connection of said lower base (300) and upper pedestal (310); Be formed with a light source installation position (314) on each light source mounting blocks (311), each light source installation position (314) is provided with a led light source (40), and a diffuser (50) is set above that and with said led light source (40) cover cap in it.

2. LED bulb as claimed in claim 1; It is characterized in that: locate respectively to be formed with a flange (303) corresponding to the gap (313) between the said light source mounting blocks (311) on the outer surface of said clamping boss (302), said flange (303) is placed in the corresponding gap (313) respectively and is clamped by said light source mounting blocks (311).

3. LED bulb as claimed in claim 1 is characterized in that: each light source installation position (314) is provided with a reflecting component (60), and said led light source (40) is gone up set LED (400) and exposed outside said reflecting component (60).

4. LED bulb as claimed in claim 1 is characterized in that: the end face place of said lower base (300) is formed with at least one first air vent (304), is formed with at least one the 3rd air vent (200) that runs through said ccontaining cavity (301) on the said lamp socket (20).

5. LED bulb as claimed in claim 1; It is characterized in that: the end face place of said clamping boss (302) is formed with at least one second air vent (305), is formed with at least one the 3rd air vent (200) that runs through said ccontaining cavity (301) on the said lamp socket (20).

6. LED bulb as claimed in claim 1 is characterized in that: locate the corresponding ventilation slot (306) that is formed with corresponding to the gap (313) between the said light source mounting blocks (311) on the outer surface of said lower base (300).

7. LED bulb as claimed in claim 1 is characterized in that: said radiator (30) is the radiator of aluminum alloy materials preparation.

8. LED bulb as claimed in claim 1 is characterized in that: said diffuser (50) is for adopting the diffuser of PC plastics or glass preparation.