CN204986466U - LED lamp - Google Patents
LED lamp Download PDFInfo
- Publication number
- CN204986466U CN204986466U CN201520736864.XU CN201520736864U CN204986466U CN 204986466 U CN204986466 U CN 204986466U CN 201520736864 U CN201520736864 U CN 201520736864U CN 204986466 U CN204986466 U CN 204986466U
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- China
- Prior art keywords
- radiator
- substrate
- lamp
- circuit board
- led
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Abstract
The utility model discloses a LED lamp, it includes the lamp body, the lamp holder, dirver circuit board, the radiator with arrange the luminescence unit within the lamp body in, the radiator dress connects within lamp body and lamp holder, the luminescence unit is installed and is arranged in the bottom portion of lamp body and contacts with the radiator at the radiator, the radiator is a cavity solid of revolution, the protruding just concave recess of establishing between this two sand grip of two sand grips of establishing of axial is followed respectively to two offsides on the terminal surface of the nearly lamp holder of radiator end, dirver circuit board follows the radial protruding arm of establishing respectively at its circumferential offside, nearly lamp holder end and two protruding arms that dirver circuit board arranged this radiator in correspond to inlay respectively to be established at two recesses, set up a plurality of switch -ons on the base plate the through -hole and/or the breach of two cavities. It has following advantage: the convenient to detach maintenance, the radiating effect is good, reduces light source energy dissipation, improves the luminance of shining of light source.
Description
Technical field
The utility model relates to a kind of LED.
Background technology
LED of the prior art, the luminescence unit comprising lamp housing, lamp holder and be placed within lamp housing, luminescence unit easily produces amount of heat in long-time luminescence process, if this heat could not shed outside lamp in time, because the long term high temperature in lamp easily affects the service life of LED.Prior art is in order to dispel the heat; attaching radiator between LED shell and lamp holder; but this radiator is installed in outside lamp housing and lamp holder; the heat produced in luminescence unit luminescence process first in lamp housing in lamp air conduction on lamp housing wall and lamp holder wall; rejecting heat to LED outside with lamp holder wall with direct contact of radiator by lamp housing wall; but this radiation processes is still slower; radiating effect is limited; LED can not be protected preferably from the injury of heat to itself, cause still be subject to larger restriction its service life.
In addition, the lamp holder of LED of the prior art is connected by the joint pin of a hollow with between luminescence unit, power driving circuit plate is installed in this joint pin, and this mounting structure has following shortcoming: one, and drive circuit board is arranged in joint pin and is unfavorable for heat radiation; Its two, drive circuit board is arranged in joint pin, and normally cannot check drive circuit board by need of work once LED, drive circuit board takes out inconvenient, trouble, therefore, is not easy to the maintenance of drive circuit board.
Luminescence unit comprises substrate and is attached to the naked crystalline substance of LED of substrate, substrate and the naked crystalline substance of LED are all coated with fluorescent adhesive layer, the light transmission fluorescent adhesive layer that the naked trichite of LED goes out sends outside lamp housing, when but the substrate of LED of the prior art is installed in lamp housing, its side outer rim and envelope inner wall close contact, be divided into two chambers of these substrate both sides of separation by lamp housing; And the naked trichite of LED goes out only 360 degree, due to the obstruct of substrate, these two chambers are mutual obstructed light, the light causing LED to send is a part of to be intercepted cannot launch by substrate, namely light source can only be launched from the chamber at the naked brilliant place of LED, cause part energy of light source to waste, light source is little through the enclosure portion area of transmission, and the irradiating angle that emergent ray is formed is little.
Utility model content
The utility model provides a kind of LED, which overcomes the deficiencies in the prior art described in background technology.
The utility model solves the technical scheme that its technical problem adopts:
A kind of LED, it comprises lamp housing, lamp holder, drive circuit board, radiator and the luminescence unit be placed within lamp housing, luminescence unit comprises substrate and is attached to the naked crystalline substance of LED of substrate, lamp housing is also divided into two chambers of these substrate both sides of living apart by the side outer rim of substrate and envelope inner wall close contact, one end of radiator connects with lamp housing, the other end connects with lamp holder, described radiator is installed within lamp housing and lamp holder, described luminescence unit is arranged on radiator and is arranged in the bottom of lamp housing and contacts with radiator, described radiator is a hollow revolving body, respectively projection vertically two raised lines and the recessed groove between this two raised line of two offsides on the end face of described radiator low beam head end, described drive circuit board is in offside difference radially projection one male arms of its periphery, described drive circuit board be placed in the low beam head end of this radiator and described two male arms respectively correspondence be embedded at two grooves, described substrate is offered through hole and/or the breach of described two chambers of some connections.
Among one embodiment: described through hole be opened in substrate center and between substrate center and side outer rim, these some through holes be located between substrate center and side outer rim arrange around substrate center's circular array.
Among one embodiment: described breach is opened in the side outer rim of substrate and arranges around substrate center's circular array.
Among one embodiment: the naked crystalline substance of described LED is attached in the substrate solid between through hole.
Among one embodiment: the naked crystalline substance of described LED is attached in the substrate solid between breach.
Among one embodiment: one end that described radiator connects with lamp housing is hollow-cone mesa-shaped, the heat sink strip that this frustum sidewall is periphery by interval is formed.
Among one embodiment: a fin also set up by described radiator, this fin to be located between lamp housing and lamp holder and to be extended to outside lamp in lamp.
Among one embodiment: this drive circuit board is provided with four installing holes of corresponding adaptive described raised line.
Among one embodiment: be respectively equipped with in described radiator and be parallel to two axial hollow posts, the cathode output end of described drive circuit board and cathode output end are connected to the first electric wiring, and this two first electric wiring is corresponding to be respectively electrically connected with described luminescence unit through after this two hollow posts.
Among one embodiment: be electrically connected by one second electric wiring between the electrode input end of described drive circuit board and the cathode contact on lamp holder.
The technical program is compared with background technology, and its tool has the following advantages:
1, respectively projection vertically two raised lines and the recessed groove between this two raised line of two offsides on the end face of radiator low beam head end, drive circuit board is in offside difference radially projection one male arms of its periphery, drive circuit board be placed in the low beam head end of this radiator and described two male arms respectively correspondence be embedded at two grooves, by this mounting structure, this drive circuit board is placed in lamp holder, when needing repairing, only need open lamp holder driver circuit plate can be taken out easily, namely detachable maintaining is convenient to, secondly, because drive circuit board is placed on radiator, therefore, the heat sent during drive circuit board work can be directly transferred on radiator and shed, namely heat radiation is beneficial to.
2, one end of this radiator connects with lamp housing, and the other end connects with lamp holder, and is installed within lamp housing and lamp holder, and luminescence unit is arranged on radiator bottom and contacts with radiator.During heat radiation, the heat that luminescence unit produces is directly delivered to radiator, be directly delivered to lamp housing and lamp holder from radiator again and heat is distributed, this radiation processes is without the need to air transfers heat in lamp, make heat transmission more direct, heat radiation is faster, and radiating effect is better, improves the service life of LED.Secondly, a fin also set up by this radiator, this fin to be located between lamp housing and lamp holder and to be extended in lamp outside lamp, accelerates the heat be delivered on radiator further and is directly dispersed into outside lamp by this fin, improve the radiating effect of this LED further.
3, substrate is offered through hole and/or the breach of described two chambers of some connections, namely provide beam projecting by bit space to the naked crystalline substance of the LED be attached on substrate, the light that the naked trichite of LED is gone out is by this through hole or breach and launch from two chambers, expand the beam projecting area of lamp housing, expand beam projecting angular range, reduce energy of light source waste, improve the irradiation brightness of light source.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 depicts the perspective view of a kind of LED described in the utility model.
Fig. 2 depicts one of explosive view of a kind of LED described in the utility model.
Fig. 3 depicts the explosive view two of a kind of LED described in the utility model.
Fig. 4 depicts the utility model not with the LED installation diagram in lamp housing situation.
Fig. 5 depicts the utility model not with the LED installation diagram in lamp housing, lamp holder situation.
Fig. 6 depicts the light-source structure schematic diagram described in a better embodiment.
Fig. 7 depicts the light-source structure schematic diagram described in another better embodiment.
Fig. 8 depicts the light-source structure schematic diagram again described in a better embodiment.
Detailed description of the invention
Consult Fig. 1 to Fig. 5, a kind of LED, it comprises lamp housing 10, lamp holder 20, radiator 30, drive circuit board 50 and the luminescence unit 40 be placed within lamp housing, luminescence unit 40 comprises substrate 41 and is attached to the LED naked brilliant 42 of substrate, lamp housing 10 is also divided into two chambers of these substrate 41 both sides of living apart by the side outer rim of substrate 41 and lamp housing 10 inwall close contact, one end of radiator 30 connects with lamp housing 10, the other end connects with lamp holder 20, this radiator 30 is installed within lamp housing 10 and lamp holder 20, this luminescence unit 40 is arranged on radiator 30 and is arranged in the bottom of lamp housing 10 and contacts with radiator 30, this radiator 30 is a hollow revolving body, respectively projection vertically two raised lines 31 and the recessed groove 32 between this two raised line 31 of two offsides on the end face of this radiator 30 low beam head end, this drive circuit board 50 is in offside difference radially projection one male arms 52 of its periphery, this drive circuit board 50 be placed in the low beam head end of this radiator 30 and this two male arms 52 respectively correspondence be embedded at two grooves 52, this substrate 41 is offered through hole 411 and/or the breach 412 of these two chambers of some connections.This drive circuit board 50 refers to the power driving circuit of driving LED luminescence unit 40 luminescence work.
One end that this radiator 30 connects with lamp housing 10 is hollow-cone mesa-shaped, and the heat sink strip 33 that this frustum sidewall is periphery by interval is formed.In the present embodiment, this radiator 30 is connected by rivet with lamp holder 20.
Preferably, this radiator 30 is also set up a fin 34, this fin 34 to be located between lamp housing 10 and lamp holder 20 and to be extended to outside lamp in lamp.
By luminescence unit 40 is directly contacted with radiator 30, and radiator 30 is arranged on again within lamp housing 10 and lamp holder 20, during heat radiation, the heat that luminescence unit 40 produces is directly delivered to radiator 30, and be directly delivered to lamp housing 10 and lamp holder 20 from radiator 30 again and distributed by heat, this radiation processes is without the need to air transfers heat in lamp, make heat transmission more direct, heat radiation is faster, and radiating effect is better, improves the service life of LED.Secondly, this radiator 30 is also set up a fin 34, accelerate the heat be delivered on radiator further and be directly dispersed into outside lamp by this fin 34, improve the radiating effect of this LED further.
Preferably, this drive circuit board 50 is provided with four installing hole (not shown)s of corresponding adaptive described raised line 31, although drive circuit board 50 is by after the coordinating and install of male arms 52 and groove 32, add the position-limiting action of two raised lines 31, this drive circuit board 50 can be positioned on radiator 30 substantially steadily, if but installed by the adaptation of raised line 31 and four installing holes, then can be fixed spacing to drive circuit board 50 further, make the installation of drive circuit board 50 more firm.
Be respectively equipped with in this radiator 30 and be parallel to two axial hollow posts 35, the cathode output end of this drive circuit board 50 and cathode output end are connected to the first electric wiring 53, and this two first electric wiring 53 is corresponding to be respectively electrically connected with this luminescence unit 40 through after this two hollow posts 35.The electrode input end of this drive circuit board 50 is electrically connected by one second electric wiring 54 with between the cathode contact on lamp holder 20.Best, this first electric wiring 53 and the second electric wiring 54 adopt not easily diastrophic horminess metal wire to make, and are convenient to drive circuit board 50 and assembling between luminescence unit 40 and lamp holder 20.Secondly, by two first electric wiring 53 respectively by 35 connecing with luminescence unit 40 electricity after two hollow posts, to contribute to the heating heat of two first electric wiring 53 by two hollow posts 35 heat conduction, on radiator 30, being convenient to heat radiation.
By this drive circuit board mounting structure, when drive circuit board 50 needs repairing, only need open lamp holder 20 driver circuit plate 50 can be taken out easily, namely detachable maintaining is convenient to, secondly, because drive circuit board 50 is placed on radiator 30, therefore, the heat that drive circuit board 50 sends when working can be directly transferred on radiator 30 and shed, and is namely beneficial to heat radiation, thus extends the service life of LED.
Consult Fig. 6, in one better embodiment, this substrate 41 offers through hole 411, this through hole 411 be opened in substrate 41 center and between substrate center and side outer rim, these some through holes 411 be located between substrate center and side outer rim arrange around substrate center's circular array.Best, be attached to naked for this LED brilliant 42 in the substrate solid between through hole, enable naked brilliant 42 light sent of LED more by this through hole 411, and then launch from housing 10.
Consult Fig. 7, in another better embodiment, this substrate 41 offers breach 412, this breach 412 is opened in the side outer rim of substrate 41 and arranges around substrate center's circular array.Best, this LED naked brilliant 42 is attached in the substrate solid between breach, enables naked brilliant 42 light sent of LED more by this breach 112, and then launches from housing 10.
Consult Fig. 8, again in a better embodiment, in conjunction with above-mentioned two kinds of modes, this substrate 41 not only offers through hole 411 but also offer breach 412, this LED naked brilliant 42 is attached in the substrate solid at through hole 111 and breach 412 edge, enable naked brilliant 42 light sent of LED more by this through hole 411 and breach 412, and then launch from housing 10.
LED naked brilliant 42 is attached to below substrate 41, by offering through hole 411 or breach 412 on substrate 41, then can make two side cavity that are divided into by substrate 41 can intercommunication, LED naked brilliant 42 also can be irradiated in the chamber of side above substrate 41 by through hole 411 or breach 412 with 360 degree of light emitted, and then launch through the lamp housing of side above substrate 41, instead of can only go out from the lamp housing transmission of substrate bottom surface side in the chamber being limited in substrate bottom surface side, therefore, the lamp source structure of the LED that the utility model is somebody's turn to do can reduce the waste of energy of light source, expand the shooting angle of lamp source light, thus improve the irradiation brightness of light source.
The above, be only the utility model preferred embodiment, therefore the scope that the utility model implements can not be limited according to this, the equivalence namely done according to the utility model the scope of the claims and description change with modify, all should still belong in scope that the utility model contains.
Claims (10)
1. a LED, comprise lamp housing, lamp holder, drive circuit board, radiator and the luminescence unit be placed within lamp housing, luminescence unit comprises substrate and is attached to the naked crystalline substance of LED of substrate, lamp housing is also divided into two chambers of these substrate both sides of living apart by the side outer rim of substrate and envelope inner wall close contact, one end of radiator connects with lamp housing, the other end connects with lamp holder, it is characterized in that: described radiator is installed within lamp housing and lamp holder, described luminescence unit is arranged on radiator and is arranged in the bottom of lamp housing and contacts with radiator, described radiator is a hollow revolving body, respectively projection vertically two raised lines and the recessed groove between this two raised line of two offsides on the end face of described radiator low beam head end, described drive circuit board is in offside difference radially projection one male arms of its periphery, described drive circuit board be placed in the low beam head end of this radiator and described two male arms respectively correspondence be embedded at two grooves, described substrate is offered through hole and/or the breach of described two chambers of some connections.
2. a kind of LED according to claim 1, it is characterized in that: described through hole be opened in substrate center and between substrate center and side outer rim, these some through holes be located between substrate center and side outer rim arrange around substrate center's circular array.
3. a kind of LED according to claim 1, is characterized in that: described breach is opened in the side outer rim of substrate and arranges around substrate center's circular array.
4. a kind of LED according to claim 2, is characterized in that: the naked crystalline substance of described LED is attached in the substrate solid between through hole.
5. a kind of LED according to claim 3, is characterized in that: the naked crystalline substance of described LED is attached in the substrate solid between breach.
6. a kind of LED according to claim 1, is characterized in that: one end that described radiator connects with lamp housing is hollow-cone mesa-shaped, and the heat sink strip that this frustum sidewall is periphery by interval is formed.
7. a kind of LED according to claim 1, is characterized in that: a fin also set up by described radiator, and this fin to be located between lamp housing and lamp holder and to be extended to outside lamp in lamp.
8. a kind of LED according to claim 1, is characterized in that: this drive circuit board is provided with four installing holes of corresponding adaptive described raised line.
9. a kind of LED according to claim 1, it is characterized in that: be respectively equipped with in described radiator and be parallel to two axial hollow posts, the cathode output end of described drive circuit board and cathode output end are connected to the first electric wiring, and this two first electric wiring is corresponding to be respectively electrically connected with described luminescence unit through after this two hollow posts.
10. a kind of LED according to claim 9, is characterized in that: be electrically connected by one second electric wiring between the electrode input end of described drive circuit board and the cathode contact on lamp holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520736864.XU CN204986466U (en) | 2015-09-22 | 2015-09-22 | LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520736864.XU CN204986466U (en) | 2015-09-22 | 2015-09-22 | LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204986466U true CN204986466U (en) | 2016-01-20 |
Family
ID=55120834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520736864.XU Expired - Fee Related CN204986466U (en) | 2015-09-22 | 2015-09-22 | LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204986466U (en) |
-
2015
- 2015-09-22 CN CN201520736864.XU patent/CN204986466U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20200922 |