CN201310793Y - LED down lamp - Google Patents

LED down lamp Download PDF

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Publication number
CN201310793Y
CN201310793Y CNU2008202142223U CN200820214222U CN201310793Y CN 201310793 Y CN201310793 Y CN 201310793Y CN U2008202142223 U CNU2008202142223 U CN U2008202142223U CN 200820214222 U CN200820214222 U CN 200820214222U CN 201310793 Y CN201310793 Y CN 201310793Y
Authority
CN
China
Prior art keywords
led
lamp
metallic reflection
reflection cup
light source
Prior art date
Application number
CNU2008202142223U
Other languages
Chinese (zh)
Inventor
王垚浩
黄杨程
王海军
夏勋力
Original Assignee
佛山市国星光电股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 佛山市国星光电股份有限公司 filed Critical 佛山市国星光电股份有限公司
Priority to CNU2008202142223U priority Critical patent/CN201310793Y/en
Application granted granted Critical
Publication of CN201310793Y publication Critical patent/CN201310793Y/en

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Abstract

Disclosed is an LED down lamp, which comprises a bracket. A metal reflective cup for condensation and heat radiation is arranged on the bracket, an LED light source is arranged at the bottom of the metal reflective cup, an outer covering frame for fixing the metal reflective cup onto the bracket is arranged on the bracket, a lamp cap for uniformizing light emission of the LED light source is arranged on the bracket or in the metal reflective cup, an external driving power source which is separated from the metal reflective cup and used to supply power for the LED light source is arranged on the bracket. By directly bonding the LED light source to the bottom of the metal reflective cup to expand heat radiating area, heat radiation is realized while condensation capacity of the LED down lamp is increased. Simultaneously, the external driving power source and the metal reflective cup are arranged separately instead of being connected integrally, thereby realizing convenient and flexible mounting and maintenance and being favorable for heat emission. Besides, the uniformity of light emission of the LED light source is increased due to the lamp cap, thereby realizing simple structure and low costs.

Description

A kind of LED Down lamp
Technical field
The utility model relates to a kind of light fixture, relates in particular to a kind of light emitting diode (light-emitting diodes, LED) Down lamp.
Background technology
Down lamp is the light fixture that a kind of relative general lighting lamp decoration has more optically focused, generally is to be used for general lighting or floor light.Traditional Down lamp adopts incandescent lamp, Halogen lamp LED or fluorescent lamp etc. as illuminating source usually, yet, because incandescent lamp belongs to thermal light source, its power consumption is big, brightness is low, the life-span is short, needs the frequent light source of changing, though and Halogen lamp LED and fluorescent lamp can be energy-conservation, but, be unfavorable for environmental protection, therefore because it contains mercury, engender that at present (light-emitting diodes LED) is the Down lamp of light source with light emitting diode.
Publication number " CN201096295 " name is called " camphane top formula LED Down lamp " and discloses a kind of down top formula LED Down lamp in China's utility model patent specification, it comprise one can the confession heat transmission the metal lamp body; At least one is located at the SMD LED surface-mount device LED LED in the aforementioned lamp body; One is located in the aforementioned lamp body, and aforementioned surfaces adhesive type LED periphery is covered, and the preceding energy taper reflection shield of concentrating scattered beam to use; And one link with aforementioned lamp body, and electrically connect with SMD LED surface-mount device LED LED, and transformer that can changing voltage.This LED Down lamp, the light fixture volume is bigger, and the structure more complicated is not easy to I﹠M, and the uniformity of light that Down lamp sends is also relatively poor, secondly, understands distribute heat equally with the transformer that lamp body links, and makes the heat dispersion of whole LED Down lamp undesirable.
The utility model content
The technical problems to be solved in the utility model provides a kind of simple in structure, bright dipping is even, thermal diffusivity is good LED Down lamp.
Goal of the invention of the present utility model is achieved through the following technical solutions:
A kind of LED Down lamp, comprise: support, it is characterized in that, described support is provided with the metallic reflection cup that is used for optically focused and heat radiation, described metallic reflection cup bottom is provided with led light source, described support is provided with and is used for fixing the outer cover frame of described metallic reflection cup on support, is provided with on the described support or in the described metallic reflection cup to make this led light source emitting uniform light cover, and separates setting with described metallic reflection cup, is used for providing the external driving power of power to described led light source.
Above-mentioned LED Down lamp, wherein: described external driving power also is provided with the Wiring port that is electrically connected with described led light source; Described led light source comprises wiring board, and the lead that is arranged on the high-power LED chip on the described wiring board and is connected with described wiring board is connected with the connector lug that matches with described Wiring port on the described lead.
Above-mentioned LED Down lamp, wherein: the bottom sealing of described metallic reflection cup has the fairlead that guides described lead on it.
Above-mentioned LED Down lamp, wherein: be bonded with thermal grease between described wiring board and the metallic reflection cup bottom.
Above-mentioned LED Down lamp, wherein: described metallic reflection cup is the cone shape, and inwall is provided with reflector layer, its material is an aluminium.
Above-mentioned LED Down lamp, wherein: the ring frame that described support comprises fixed mount and is connected with described fixed mount, adapts with metallic reflection cup openend outside dimension; The transverse width of described fixed mount is greater than the diameter length of described metallic reflection cup openend.
Above-mentioned LED Down lamp, wherein: described ring frame is provided with the step of inlaying for described outer cover frame; Described fixed mount is one-body molded with described ring frame or be connected by connector.
Above-mentioned LED Down lamp, wherein: described light cover is an optical lens, the one side that described optical lens is relative with metallic reflection cup bottom is sprayed with the sand face.
Above-mentioned LED Down lamp, wherein: described light cover is embedded on the described outer cover frame and covers metallic reflection cup openend.
Above-mentioned LED Down lamp, wherein: described light cover covers described led light source, and this light cover is connected by adhesive with metallic reflection cup inwall.
Compared with prior art, the utlity model has following beneficial effect:
(1) better heat radiating effect: according to above-mentioned example, led light source directly sticks on metallic reflection cup bottom by thermal grease, the heat of led light source passes to metallic reflection cup bottom by thermal grease, is passed to the metallic reflection cup again, thereby increases the area of dissipation of led light source.Simultaneously, the metallic reflection cup is an aluminum material, has good thermal conductivity.In addition, the metallic reflection cup only has lead to be connected non-fusing with external driving power, more helps heat radiation.Therefore, the utlity model has better heat radiating effect.
(2) bright dipping is even: the utility model adopts the light cover that is sprayed with one deck sand face, makes the high-power LED chip luminous intensity of metallic reflection cup bottom even.
(3) simple in structure, cost is low: the utility model only utilize an aluminum metal reflector just realize the heat radiation and the optically focused effect, simple in structure, the saving material, reduce the cost.
(4) volume is light and handy, I﹠M is convenient, flexible and economical: because metallic reflection cup of the present utility model and external driving power are separable, volume is little, so but the metallic reflection cup that has led light source more than two only needs just operate as normal of a driving power, install more flexible.Secondly, when non-external driving power fault takes place the LED Down lamp, can only take out the metallic reflection cup and do maintenance or change, keep normal external driving power, easy to use, save maintenance cost.In addition, when the LED Down lamp adopts light cover directly to be installed on the structure of metallic reflection cup inside, convenient installation on old-fashioned Down lamp support, promptly only need the reflector of old-fashioned Down lamp is taken off, install metallic reflection cup of the present utility model, external driving power gets final product, need not to consider the light cover structure that is connected with support, therefore, its use more convenient flexibly.
(5) brightness height, energy-conserving and environment-protective: the utility model adopts the led light source that is welded with high-power LED chip, and enough strong brightness can be provided, and satisfies the social demand of energy-conserving and environment-protective.
Description of drawings
In order to be easy to explanation, the utility model is done to describe in detail by following preferred embodiment and accompanying drawing.
Fig. 1 is the perspective view of the LED Down lamp of the utility model first embodiment.
Fig. 2 is the three-dimensional exploded view of Fig. 1.
Fig. 3 is the front view of Fig. 1.
Fig. 4 is the rearview of Fig. 1.
Fig. 5 is the perspective view of the LED Down lamp of the utility model second embodiment.
Fig. 6 is the sectional structure schematic diagram of the LED Down lamp of the utility model the 3rd embodiment.
Fig. 7 is the three-dimensional exploded view of the LED Down lamp of the utility model the 3rd embodiment.
The specific embodiment
Figure 1 shows that the perspective view of the LED Down lamp of the utility model first embodiment, please consult Fig. 2 to Fig. 4 simultaneously, wherein, Fig. 2 is the three-dimensional exploded view of Fig. 1, and Fig. 3 is the front view of Fig. 1, and Fig. 4 is the rearview of Fig. 1.The LED Down lamp comprises support 1, be arranged at the metallic reflection cup 2 that is used for optically focused and heat radiation on the support 1, be arranged at the led light source 3 (consulting Fig. 2) of metallic reflection cup 2 bottoms, be arranged on the support 1, be used for fixing the outer cover frame 40 of metallic reflection cup 2 on support 1, be arranged on the support 1, cover metallic reflection cup 2 openends, make this led light source 3 emitting uniform light covers 41, and separate setting with metallic reflection cup 2, be used for providing the external driving power 5 of power to led light source 3.In the present embodiment, light cover 41 is embedded on the outer cover frame 40, and light cover 41 is formed Down lamp cover 4 with outer cover frame 40.External driving power 5 is installed on the support 1.
Consult Fig. 2, the ring frame 11 that support 1 comprises fixed mount 10 and is connected with fixed mount 10, adapts with metallic reflection cup 2 openend outside dimensions.Wherein, ring frame 11 is provided with the step of inlaying for outer cover frame 40 (not indicating among the figure), and the outside dimension of the internal diameter size of ring frame 11 and metallic reflection cup 2 openends adapts, and helps the assembling of metallic reflection cup 2.In the utility model embodiment, the material of support 1 is metal or plastics.Fixed mount 10 is one-body molded with ring frame 11, and the transverse width of fixed mount 10 is greater than the diameter length of metallic reflection cup 2 openends.Fixed mount 10 is a U type fixed mount, and external driving power 5 is installed on the U type fixed mount, makes external driving power 5 carry out thermal release with led light source 3.
In other embodiment of the utility model, fixed mount 10 also can be connected by the connector (not shown) with ring frame 11.Fixed mount 10 also can repeat no more here for other shape.
Metallic reflection cup 2 is the cone shape, and inwall is provided with reflector layer (not indicating among the figure), and the material of this metallic reflection cup 2 is an aluminium; Adopt the structure of reflector layer, help improving the light gathering of LED Down lamp, and aluminum material makes then metallic reflection cup 2 have good thermal conductivity.In the present embodiment, the sealing of metallic reflection cup 2 bottoms, the fairlead 20 (consulting Fig. 4) that has lead wire 32 on it is bonded with the thermal grease (not shown) between led light source 3 and metallic reflection cup 2 bottoms.Therefore, the heat that led light source 3 produces passes to metallic reflection cup 2 bottoms by thermal grease, is passed to the metallic reflection cup again, thereby increases the area of dissipation of led light source 3.Simultaneously, metallic reflection cup 2 is an aluminum material, has good thermal conductivity, and therefore, the heat that led light source 3 produces can transmit out rapidly, has increased the service life of LED Down lamp.
Consult Fig. 2, led light source 3 comprises wiring board 30, the lead 32 that is arranged on the led chip 31 on the wiring board 30 and is connected with wiring board 30.In the present embodiment, led chip 31 is a high-power LED chip, and enough strong brightness can be provided, and satisfies the social demand of energy-conserving and environment-protective.The quantity of led chip 31 is a plurality of, rounded being arranged on the wiring board 30.Be connected with connector lug 33 on the lead 32.Wiring board 30 is metallic reflection cup 2 bottoms that are bonded in sealing by thermal grease, and the lead 32 in the led light source 3 is connected with external electric by the fairlead in the metallic reflection cup 2 20.Therefore, metallic reflection cup 2 only has lead 32 to be connected with external driving light source 5, and non-fusing helps heat radiation, and the heat that led chip 31 produces can transmit by metallic reflection cup 2 rapidly.
In the present embodiment, light cover 41 is an optical lens 41, and its material is a glass, and its one side relative with metallic reflection cup 2 bottoms is sprayed with the sand face; Adopt the optical lens structure of sand face, help improving the outgoing uniformity of light.
External driving power 5 has Wiring port 50 and the attaching plug 51 that is connected with led light source 3.That is, an end of external driving power 5 connects Wiring port 50, and its other end connects attaching plug 51.In the present embodiment, connector lug 33 and this Wiring port 50 of lead 32 match.In other words, led light source 3 interconnects by Wiring port 50 and connector lug 33, realizes the transmission of the signal of telecommunication.In addition, the quantity of Wiring port 50 is consistent with the quantity of connector lug 33, for example: Wiring port 50 of a LED Down lamp configuration.Certainly, in other embodiment of the utility model, the also quantity of the needs flexible configuration Wiring port that can use according to reality.
During assembling, led light source 3 is pasted metallic reflection cup 2 bottoms, again the metallic reflection cup 2 that led light source 3 is installed is inserted in the ring frame 11 of support 1, afterwards, the outer cover frame 40 that is embedded with optical lens 41 is mounted in the ring frame 11 by step, and external driving power 5 then can directly be installed on the support 1, and support 1, metallic reflection cup 2, led light source 3, outer cover frame 40, light cover 41 and external driving power 5 are integrated, simple in structure, flexible for installation.
Therefore, LED Down lamp of the present utility model, by led light source being sticked on metallic reflection cup bottom, the heat that led light source is produced transmits out by the metallic reflection cup, and external driving power separates setting with the metallic reflection cup, non-fusing, I﹠M is convenient, flexible, and, help the separation of heat, improve the radiating effect of LED Down lamp, simultaneously, by light cover, strengthen led light source and go out uniformity of light, in addition, by a metallic reflection cup, just realized the effect of heat radiation and optically focused, simple in structure, with low cost, energy-conserving and environment-protective.
Figure 5 shows that the perspective view of the LED Down lamp of the utility model second embodiment.The structure of this LED Down lamp and LED Down lamp shown in Figure 1 is basic identical, and difference is that external driving power 5 shown in Figure 5 is not arranged on the fixed mount 10, but independent outside support 1, therefore, and three shared same external driving powers 5 of LED Down lamp.Say that in detail the quantity of the attaching plug 51 of external driving power 5 is one, and the quantity of Wiring port 50 is 3, is connected with lead connection jaws 33 in the led light source respectively.
Therefore, the utility model can also pass through the shared external driving power of a plurality of LED Down lamps, saves big quantity space, simultaneously, because outside external driving power is provided with and independently is arranged on, user friendly I﹠M, in addition, when the fault of non-external driving power takes place in the LED Down lamp, the metallic reflection cup be can only take out and maintenance or replacing done, keep normal external driving power, easy to use, save maintenance cost.
Figure 6 shows that the sectional structure schematic diagram of the LED Down lamp of the utility model the 3rd embodiment.Consult Fig. 7 simultaneously, be the three-dimensional exploded view of the LED Down lamp of the utility model the 3rd embodiment.The structure of this LED Down lamp and LED Down lamp shown in Figure 1 is basic identical, and difference is, light cover 6 shown in Figure 6 is not outside inlaying on the cover frame 40, but is arranged at metallic reflection cup 2 inside.That is, light cover 6 is connected with metallic reflection cup 2 inwalls by the adhesive (not shown), covers this led light source, makes this led light source bright dipping even.In the present embodiment, light cover is similarly optical lens, and the one side that this optical lens is relative with these metallic reflection cup 2 bottoms is sprayed with the sand face.Adopt this structure, help light cover 6 and be directly installed on metallic reflection cup 2 inside, convenient installation on old-fashioned Down lamp support, promptly only need the reflector of old-fashioned Down lamp is taken off, install metallic reflection cup 2 of the present utility model, external driving power gets final product, and need not to consider the light cover structure that is connected with support.Therefore, it uses more convenient flexible.
The specific embodiment of the above is a better embodiment of the present utility model, is not to limit concrete practical range of the present utility model with this, and scope of the present utility model comprises and is not limited to this specific embodiment.The equivalence variation that all shapes according to the utility model, structure are done all comprises in the protection domain of the present utility model.

Claims (10)

1. LED Down lamp, comprise: support, it is characterized in that, described support is provided with the metallic reflection cup that is used for optically focused and heat radiation, described metallic reflection cup bottom is provided with led light source, described support is provided with and is used for fixing the outer cover frame of described metallic reflection cup on support, is provided with on the described support or in the described metallic reflection cup to make this led light source emitting uniform light cover, and separates setting with described metallic reflection cup, is used for providing the external driving power of power to described led light source.
2. LED Down lamp according to claim 1 is characterized in that: described external driving power also is provided with the Wiring port that is electrically connected with described led light source; Described led light source comprises wiring board, and the lead that is arranged on the high-power LED chip on the described wiring board and is connected with described wiring board is connected with the connector lug that matches with described Wiring port on the described lead.
3. LED Down lamp according to claim 2 is characterized in that: the bottom sealing of described metallic reflection cup has the fairlead that guides described lead on it.
4. LED Down lamp according to claim 2 is characterized in that: be bonded with thermal grease between described wiring board and the metallic reflection cup bottom.
5. LED Down lamp according to claim 1 is characterized in that: described metallic reflection cup is the cone shape, and inwall is provided with reflector layer, and its material is an aluminium.
6. LED Down lamp according to claim 1 is characterized in that: the ring frame that described support comprises fixed mount and is connected with described fixed mount, adapts with metallic reflection cup openend outside dimension; The transverse width of described fixed mount is greater than the diameter length of described metallic reflection cup openend.
7. LED Down lamp according to claim 6 is characterized in that: described ring frame is provided with the step of inlaying for described outer cover frame; Described fixed mount is one-body molded with described ring frame or be connected by connector.
8. LED Down lamp according to claim 1 is characterized in that: described light cover is an optical lens, and the one side that described optical lens is relative with this metallic reflection cup bottom is sprayed with the sand face.
9. according to any described LED Down lamp of claim 1 to 8, it is characterized in that: described light cover is embedded on the described outer cover frame and covers metallic reflection cup openend.
10. according to any described LED Down lamp of claim 1 to 8, it is characterized in that: described light cover covers described led light source, and this light cover is connected by adhesive with metallic reflection cup inwall.
CNU2008202142223U 2008-12-02 2008-12-02 LED down lamp CN201310793Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008202142223U CN201310793Y (en) 2008-12-02 2008-12-02 LED down lamp

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Application Number Priority Date Filing Date Title
CNU2008202142223U CN201310793Y (en) 2008-12-02 2008-12-02 LED down lamp

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102734648A (en) * 2011-04-08 2012-10-17 浙江雄邦节能产品有限公司 LED (Light-emitting diode) tube lamp with ceramic baseplate
CN102767729A (en) * 2012-08-13 2012-11-07 宁波龙宇光电科技有限公司 Light emitting diode (LED) lamp with adjustable irradiation angles
WO2013034008A1 (en) * 2011-09-08 2013-03-14 浙江生辉照明有限公司 Assembled led downlight
CN106369424A (en) * 2016-08-23 2017-02-01 关朋伟 Down lamp
CN107191852A (en) * 2017-06-09 2017-09-22 黄世明 A kind of foldable LED Recessed light
CN107883213A (en) * 2017-10-11 2018-04-06 佛山电器照明股份有限公司 A kind of LED PAR lamps
CN108534013A (en) * 2018-03-29 2018-09-14 朱承启 A kind of UAV system lighting device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102734648A (en) * 2011-04-08 2012-10-17 浙江雄邦节能产品有限公司 LED (Light-emitting diode) tube lamp with ceramic baseplate
WO2013034008A1 (en) * 2011-09-08 2013-03-14 浙江生辉照明有限公司 Assembled led downlight
CN102767729A (en) * 2012-08-13 2012-11-07 宁波龙宇光电科技有限公司 Light emitting diode (LED) lamp with adjustable irradiation angles
CN102767729B (en) * 2012-08-13 2015-05-13 宁波宜胜照明有限公司 Light emitting diode (LED) lamp with adjustable irradiation angles
CN106369424A (en) * 2016-08-23 2017-02-01 关朋伟 Down lamp
CN107191852A (en) * 2017-06-09 2017-09-22 黄世明 A kind of foldable LED Recessed light
CN107883213A (en) * 2017-10-11 2018-04-06 佛山电器照明股份有限公司 A kind of LED PAR lamps
CN108534013A (en) * 2018-03-29 2018-09-14 朱承启 A kind of UAV system lighting device

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Granted publication date: 20090916