CN102661519A - LED-PAR (Light Emitting Diode- Parabolic Aluminum Reflector) lamp - Google Patents
LED-PAR (Light Emitting Diode- Parabolic Aluminum Reflector) lamp Download PDFInfo
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- CN102661519A CN102661519A CN2012101628574A CN201210162857A CN102661519A CN 102661519 A CN102661519 A CN 102661519A CN 2012101628574 A CN2012101628574 A CN 2012101628574A CN 201210162857 A CN201210162857 A CN 201210162857A CN 102661519 A CN102661519 A CN 102661519A
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Abstract
The invention discloses an LED-PAR (Light Emitting Diode- Parabolic Aluminum Reflector) lamp. During use of the LED-PAR lamp, gas convection and heat exchange between a shell and external environment can be quickened by a gas flow passage, so that the heat dissipation effect of the LED-PAR lamp is improved, and meanwhile, a heat dissipation gap is mutually matched with the gas flow passage. Thus, the overall heat dissipation effect of the LED-PAR lamp is further improved, the lighting effect of the LED-PAR lamp is correspondingly improved and the service life of the LED-PAR lamp is correspondingly prolonged.
Description
Technical field
The present invention relates to technical field of lighting fixtures, particularly a kind of LED-PAR light fixture.
Background technology
The LED-PAR light fixture; It is light emitting diode-bowl dish shape aluminium reflecting lamp; It is a kind of emerging LED light fixture; Its primary structure is with in led light source encapsulation and the reflector, thereby makes this kind LED-PAR light fixture have not only that the volume of LED light fixture is little, the life-span long and energy-efficient characteristics, and its light source stability and spotlight effect are more outstanding simultaneously.
Yet; Though the LED-PAR light fixture possesses above plurality of advantages; But because the overall structure of the LED-PAR light fixture of extensive use in the market is closed mostly; After its integral heat sink poor-performing, especially long time continuous working, the higher temperature of light fixture itself has a strong impact on the luminous efficiency and having caused service life of himself.
Therefore, the radiating effect that how to improve the LED-PAR light fixture is the important technological problems that those skilled in the art need solve at present.
Summary of the invention
The purpose of this invention is to provide a kind of LED-PAR light fixture, the radiating effect of this LED-PAR light fixture is better.
For solving the problems of the technologies described above; The present invention provides a kind of LED-PAR light fixture, comprises housing, and the front end of said housing is provided with light transmission piece; The set inside of said housing has radiator; The front portion of said radiator is provided with led chip and the reflector that cooperatively interacts, and the rear portion of said housing is provided with the supply unit that matches with said led chip, and the peripheral part of said housing has the heat radiation gap of matching with said radiator; Have some gas channels between the peripheral part of said radiator and the said housing, and the bearing of trend of the axis of the bearing of trend of said gas channel and said housing is consistent.
Preferably, the middle part of said radiator is provided with insulation material layer, forms the light source assembly cavity between the front surface of said insulation material layer and the said light transmission piece, and said led chip and said reflector specifically are arranged in the said light source assembly cavity;
Form power source cavity between the back surface of said insulation material layer and the said radiator, said supply unit specifically is arranged in the said power source cavity, and has some wiring holes on the said insulation material layer.
Preferably, be provided with the boss that matches with said reflector in the said light source assembly cavity, said reflector specifically is connected on the said boss.
Preferably, be disposed with thermal conductive ceramic plate and basic potsherd between said led chip and the said insulation material layer.
Preferably, bonding between said thermal conductive ceramic plate and said basic potsherd through heat-conducting glue.
Preferably, said supply unit comprises AC/DC module and the DC/DC module that cooperatively interacts.
Preferably, said supply unit also comprises the thermal-shutdown circuit that matches with said led chip.
Preferably, said housing is specially the housing of being processed by the macromolecule heat sink material.
Above-mentioned background is technological relatively; LED-PAR light fixture provided by the present invention comprises housing, and the front end of said housing is provided with light transmission piece; The set inside of said housing has radiator; The front portion of said radiator is provided with led chip and the reflector that cooperatively interacts, and the rear portion of said housing is provided with the supply unit that matches with said led chip, and the peripheral part of said housing has the heat radiation gap of matching with said radiator; Have some gas channels between the peripheral part of said radiator and the said housing, and the bearing of trend of the axis of the bearing of trend of said gas channel and said housing is consistent.In the use; Said gas channel can be accelerated gaseous exchange and the exchange heat between said housing and external environment condition; Thereby improve the radiating effect of said LED-PAR light fixture, simultaneously, said heat radiation gap and said gas channel cooperatively interact; Thereby make the integral heat sink effect of said LED-PAR light fixture further improve, and make and are able to corresponding raising in its illuminating effect and service life.
In another preferred version of the present invention; The middle part of said radiator is provided with insulation material layer; Form the light source assembly cavity between the front surface of said insulation material layer and the said light transmission piece, said led chip and said reflector specifically are arranged in the said light source assembly cavity; Form power source cavity between the back surface of said insulation material layer and the said radiator, said supply unit specifically is arranged in the said power source cavity, and has some wiring holes on the said insulation material layer.In the course of work; Said insulation material layer can suitably completely cut off the exchange heat between said light source assembly cavity and said power source cavity; The heat that said supply unit gives out when avoiding the long-time continuous illumination causes adverse effect to the operate as normal of led chip, thereby makes the illuminating effect of said LED-PAR light fixture be able to corresponding raising.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structure cutaway view of the LED-PAR light fixture that Fig. 1 is provided for a kind of specific embodiment of the present invention;
Fig. 2 is the structure cutaway view in A-A cross section among Fig. 1.
The specific embodiment
Core of the present invention provides a kind of LED-PAR light fixture, and the radiating effect of this LED-PAR light fixture is better.
In order to make those skilled in the art person understand the present invention program better, the present invention is done further detailed description below in conjunction with the accompanying drawing and the specific embodiment.
Please refer to Fig. 1 and Fig. 2, the structure cutaway view of the LED-PAR light fixture that Fig. 1 is provided for a kind of specific embodiment of the present invention; Fig. 2 is the structure cutaway view in A-A cross section among Fig. 1.
In the specific embodiment; LED-PAR light fixture provided by the present invention comprises housing 11, and the front end of housing 11 is provided with light transmission piece 12; The set inside of housing 11 has radiator 13; The front portion of radiator 13 is provided with the led chip 14 and reflector 15 that cooperatively interacts, and the rear portion of housing 11 is provided with the supply unit 16 that matches with led chip 14, and the peripheral part of housing 11 has the heat radiation gap 111 of matching with radiator 13; Have some gas channels 112 between the peripheral part of radiator 13 and the housing 11, and the bearing of trend of the axis of the bearing of trend of gas channel 112 and housing 11 is consistent.In the use; Gas channel 112 can be accelerated gaseous exchange and the exchange heat between housing 11 and external environment condition; Thereby improve the radiating effect of said LED-PAR light fixture, simultaneously, heat radiation gap 111 cooperatively interacts with gas channel 112; Thereby make the integral heat sink effect of said LED-PAR light fixture further improve, and make and are able to corresponding raising in its illuminating effect and service life.
Further, the middle part of radiator 13 is provided with insulation material layer 17, forms light source assembly cavity 131 between the front surface of insulation material layer 17 and the light transmission piece 12, and led chip 14 specifically is arranged in the light source assembly cavity 131 with reflector 15; Form power source cavity 132 between the back surface of insulation material layer 17 and the radiator 13, supply unit 16 specifically is arranged in the power source cavity 132, and has some wiring hole (not shown)s on the insulation material layer 17.In the course of work; Insulation material layer 17 can suitably completely cut off the exchange heat of 132 of light source assembly cavity 131 and power source cavities; The heat that supply unit 16 gives out when avoiding the long-time continuous illumination causes adverse effect to the operate as normal of led chip 14, thereby makes the illuminating effect of said LED-PAR light fixture be able to corresponding raising.
On the other hand, be provided with the boss 133 that matches with reflector 15 in the light source assembly cavity 131, reflector 15 specifically is connected on the boss 133.This boss 133 is reflector 15 effectively fixedly, and in use for reflector 15 enough holding powers is provided, thereby makes the overall structure stability of said LED-PAR light fixture and assembling intensity thereof be able to corresponding raising.
More specifically, be disposed with thermal conductive ceramic plate 18 and basic potsherd 19 between led chip 14 and the insulation material layer 17.The heat that this thermal conductive ceramic plate 18 can further be accelerated led chip 14 and associated components thereof distributes; So that its illuminating effect is better, longer service life; Simultaneously; Basis potsherd 19 can provide suitable structural defence and holding power for thermal conductive ceramic plate 18, avoids thermal conductive ceramic plate in use to produce structural damage.
On the other hand, 19 of thermal conductive ceramic plate 18 and basic potsherds are bonding through heat-conducting glue.The heat conductivility of this kind heat-conducting glue is better, can further guarantee the heat conductivity between thermal conductive ceramic plate 18 and associated component thereof, and makes the associated component radiating effect of said LED-PAR light fixture further improve.
In addition, supply unit 16 comprises AC (interchange)/DC (direct current) module (not shown) and DC (direct current)/DC (direct current) the module (not shown) that cooperatively interacts.Through cooperatively interacting of said AC/DC module and DC/DC module; Can convert comparatively constant DC by the alternating current that the outside is inserted into; Thereby make the inside of supply unit 16 form the constant-current circuit system; The course of work to guarantee said LED-PAR light fixture is stable more smooth, and its illuminating effect is further improved.
Further, supply unit 16 also comprises the thermal-shutdown circuit (not shown) that matches with led chip 14.Generally speaking; When the operating temperature of led chip 14 surpasses 80 ℃; This thermal-shutdown circuit can be controlled supply unit 16 and break off; Avoid too high operating temperature that led chip 14 and related work assembly thereof are caused damage, prolong the service life of led chip 14, and make the whole service life of said LED-PAR light fixture be able to corresponding prolongation.
In addition, housing 11 is specially the housing of being processed by the macromolecule heat sink material.This kind macromolecule heat sink material not only has heat conductivility preferably; Can further guarantee the safety in utilization and the service life thereof of said LED-PAR light fixture; And this kind macromolecule heat sink material is promptly plastic through single injection; Need not secondary operations, manufacturing cost is lower, thereby makes the whole cost of said LED-PAR light fixture be able to corresponding reduction.
To sum up can know; The LED-PAR light fixture that provides among the present invention comprises housing, and the front end of said housing is provided with light transmission piece; The set inside of said housing has radiator; The front portion of said radiator is provided with led chip and the reflector that cooperatively interacts, and the rear portion of said housing is provided with the supply unit that matches with said led chip, and the peripheral part of said housing has the heat radiation gap of matching with said radiator; Have some gas channels between the peripheral part of said radiator and the said housing, and the bearing of trend of the axis of the bearing of trend of said gas channel and said housing is consistent.In the use; Said gas channel can be accelerated gaseous exchange and the exchange heat between said housing and external environment condition; Thereby improve the radiating effect of said LED-PAR light fixture, simultaneously, said heat radiation gap and said gas channel cooperatively interact; Thereby make the integral heat sink effect of said LED-PAR light fixture further improve, and make and are able to corresponding raising in its illuminating effect and service life.
More than LED-PAR light fixture provided by the present invention has been carried out detailed introduction.Used concrete example among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (8)
1. LED-PAR light fixture; Comprise housing; The front end of said housing is provided with light transmission piece, and the set inside of said housing has radiator, and the front portion of said radiator is provided with led chip and the reflector that cooperatively interacts; The rear portion of said housing is provided with the supply unit that matches with said led chip; It is characterized in that: the peripheral part of said housing has the heat radiation gap of matching with said radiator, have some gas channels between the peripheral part of said radiator and the said housing, and the bearing of trend of the axis of the bearing of trend of said gas channel and said housing is consistent.
2. LED-PAR light fixture as claimed in claim 1; It is characterized in that: the middle part of said radiator is provided with insulation material layer; Form the light source assembly cavity between the front surface of said insulation material layer and the said light transmission piece, said led chip and said reflector specifically are arranged in the said light source assembly cavity;
Form power source cavity between the back surface of said insulation material layer and the said radiator, said supply unit specifically is arranged in the said power source cavity, and has some wiring holes on the said insulation material layer.
3. LED-PAR light fixture as claimed in claim 2 is characterized in that: be provided with the boss that matches with said reflector in the said light source assembly cavity, said reflector specifically is connected on the said boss.
4. LED-PAR light fixture as claimed in claim 2 is characterized in that: be disposed with thermal conductive ceramic plate and basic potsherd between said led chip and the said insulation material layer.
5. LED-PAR light fixture as claimed in claim 4 is characterized in that: bonding through heat-conducting glue between said thermal conductive ceramic plate and said basic potsherd.
6. LED-PAR light fixture as claimed in claim 1 is characterized in that: said supply unit comprises AC/DC module and the DC/DC module that cooperatively interacts.
7. LED-PAR light fixture as claimed in claim 6 is characterized in that: said supply unit also comprises the thermal-shutdown circuit that matches with said led chip.
8. like each described LED-PAR light fixture in the claim 1 to 7, it is characterized in that: said housing is specially the housing of being processed by the macromolecule heat sink material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101628574A CN102661519A (en) | 2012-05-21 | 2012-05-21 | LED-PAR (Light Emitting Diode- Parabolic Aluminum Reflector) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101628574A CN102661519A (en) | 2012-05-21 | 2012-05-21 | LED-PAR (Light Emitting Diode- Parabolic Aluminum Reflector) lamp |
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| Publication Number | Publication Date |
|---|---|
| CN102661519A true CN102661519A (en) | 2012-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101628574A Pending CN102661519A (en) | 2012-05-21 | 2012-05-21 | LED-PAR (Light Emitting Diode- Parabolic Aluminum Reflector) lamp |
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| Country | Link |
|---|---|
| CN (1) | CN102661519A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566309A (en) * | 2014-12-25 | 2015-04-29 | 上海三思电子工程有限公司 | Manufacturing method for heat sink and lamp with heat sink |
| CN110608398A (en) * | 2019-10-30 | 2019-12-24 | 深圳市美斯特光电技术有限公司 | High-power LED lighting device with power supply service life protection function |
-
2012
- 2012-05-21 CN CN2012101628574A patent/CN102661519A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566309A (en) * | 2014-12-25 | 2015-04-29 | 上海三思电子工程有限公司 | Manufacturing method for heat sink and lamp with heat sink |
| CN110608398A (en) * | 2019-10-30 | 2019-12-24 | 深圳市美斯特光电技术有限公司 | High-power LED lighting device with power supply service life protection function |
| CN110608398B (en) * | 2019-10-30 | 2024-05-03 | 深圳市美斯特光电技术有限公司 | High-power LED lighting device with power life protection function |
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Application publication date: 20120912 |