CN103322452B - LED (Light Emitting Diode) down lamp - Google Patents
LED (Light Emitting Diode) down lamp Download PDFInfo
- Publication number
- CN103322452B CN103322452B CN201310225987.2A CN201310225987A CN103322452B CN 103322452 B CN103322452 B CN 103322452B CN 201310225987 A CN201310225987 A CN 201310225987A CN 103322452 B CN103322452 B CN 103322452B
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- Prior art keywords
- down lamp
- fastening
- radiator
- led down
- heat
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The invention relates to the technical field of illumination lamps, particularly to an LED (Light Emitting Diode) down lamp. The LED down lamp comprises an optical engine module and a cover body; the optical engine module comprises an radiator, a light source, a reflecting cover and a casing; the radiator is provided with heat dissipation through holes which are communicated with a casing inner chamber; a plurality of through holes are formed in the casing. When the LED down lamp is used, gas inside and outside the casing generates convection due to the fact that intensity of pressure inside and outside the casing is different, a part of heat is directly emitted out through the through holes and the heat dissipation through holes, and another part of heat is emitted out through the radiator, so that the LED down lamp is good in heat dissipation effect and the service life of the down lamp is prolonged. A fastening strip is fixedly arranged at external side of the casing and a fastening groove which is matched with the fastening strip is formed at the internal side of the cover body, so that the LED down lamp can be fixedly assembled by correspondingly rotating the fastening strip and the fastening groove, close assembling can be achieved without using special tools, and accordingly the LED down lamp is simple in structure and convenient to install, assemble and maintain.
Description
Technical field
The present invention relates to field of illumination lamp technology, refer in particular to
oneplant LED down.
Background technology
Along with advantages such as the development of LED technology and LED light fixture have the long and radiation of energy saving, life-span low, the application of LED lamp is more and more extensive.Although LED light fixture has many good qualities, also there is a lot of weak point.Existing LED Down lamp holder structure is relatively complicated, is usually made from multiple components, is screwed between each parts, cause the production procedure of LED lamp many, production cost is high, installs and maintenance inconvenience, repeatedly easily the problems such as screw dropout occurs after maintenance.
In addition, LED chip operationally can produce a large amount of heats, if the heat dispersion of device is poor, these heats are not led away rapidly and distributed, the impact cause its performance and service life or even fatal.With regard to As-Is, the radiator structure of LED Down lamp is general more complicated, and radiating effect is also undesirable, if can not effectively dispel the heat to affect the service life of LED.
Summary of the invention
The problem that the present invention is directed to prior art provides a kind of LED Down lamp, and its structure is simple, install combination and easy to maintenance, but also has good heat dispersion.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of LED Down lamp, comprise photo engine module and cover body, described photo engine module comprises radiator, light source, reflection shield and housing, described radiator is connected with the upper end of light source, described reflection shield is connected with the lower end of light source, and light source is installed on the inner chamber of housing together with reflection shield, and the upper end of described housing is fixedly connected with radiator, described radiator is provided with the thermal vias with the inner space of housing, and described housing is provided with some air vents; The outside of described housing is fixedly installed fastening bar, and the inner side of described cover body is fixedly installed the fastening groove suitable with fastening bar, and described photo engine module passes through the fastening groove snapping of fastening bar and cover body.
Wherein, described radiator comprises some fin and radiating bottom plate, one end of described fin is fixedly connected with radiating bottom plate, and form a heat-dissipating space between two adjacent fin, described thermal vias is arranged on the radiating bottom plate corresponding to heat-dissipating space.
Wherein, described radiating bottom plate is provided with some tapped through holes, and described housing corresponds to described tapped through hole place and is provided with the post that is spirally connected.
Wherein, described radiator also includes heat radiation newel, and the lower end of described heat radiation newel is fixedly connected with radiating bottom plate, and described fin is fixedly connected with the excircle of heat radiation newel.
Wherein, be provided with heat-conducting plate between described light source and radiator, described heat-conducting plate is fixedly connected with the back side of light source; When light source is fixedly connected with radiator, described heat-conducting plate abuts with radiating bottom plate.
Wherein, described housing is at least provided with two fastening bars, and inside the upper end of described cover body, the quantity of set fastening groove is consistent with the quantity of fastening bar.
Wherein, described fastening groove comprises positive stop strip and fastening plate, and described fastening plate is positioned at the top of positive stop strip; Above fastening plate, be arranged with four clamping blocks in parallel, described clamping block and fastening plate one-body molded.
Wherein, described fastening bar is provided with raised line, and described fastening plate is provided with the groove suitable with raised line.
Wherein, described cover body is symmetrically installed with two spring mountings, described spring mountings comprises a few font fixed block and spring, described cover body be provided with fixing strip and be connected port, described a few font fixed block inserts and connects port, and the left and right sides of a few font fixed block is fixedly connected with fixing strip respectively; The middle part hollow out of described a few font fixed block forms installing space, and the both sides of installing space are respectively arranged with the jump ring block of Relative distribution, and described spring is arranged at installing space, and the two ends of spring respectively with the grafting of two jump ring blocks.
Wherein, the spring of described spring is fixed above wire frame and is provided with protective sleeve, and described protective sleeve is provided with the draw-in groove fixing wire frame for garter spring.
Beneficial effect of the present invention:
The present invention is formed primarily of photo engine module and the large component combination of cover body two, and the radiator of photo engine module is provided with the thermal vias with the inner space of housing, and housing is provided with some air vents; Because light source can produce a large amount of heat when luminescence, make the pressure inside and outside housing different, gas inside and outside housing produces convection current, therefore a part of heat directly distributes from air vent and thermal vias, another part heat is also had to be gone out by heat sink radiates, therefore the present invention has good radiating effect, effectively extends the service life of Down lamp.
In addition, when photo engine module and cover body combine, fastening bar aims at the insert port of the fastening groove of cover body, and then rotating light engine module makes fastening bar and fastening groove closely cooperate.The present invention can fixed Combination by rotate relative with the fastening groove of cover body of the fastening bar of photo engine module, can not need closely combine by professional tool, and its structure is simple, install combination and easy to maintenance.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of LED Down lamp of the present invention.
Fig. 2 is the decomposing schematic representation of a kind of LED Down lamp of the present invention.
Fig. 3 is the decomposing schematic representation of the photo engine module in the present invention.
Fig. 4 is the decomposing schematic representation of the cover body in the present invention.
Fig. 5 is the decomposing schematic representation of the spring mountings in the present invention.
Fig. 6 is A place enlarged diagram in Fig. 2.
Reference numeral in Fig. 1 to Fig. 6 comprises:
1-photo engine module, 2-cover body, 3-radiator
31-fin, 32-radiating bottom plate, 33-tapped through hole
34-heat radiation newel, 4-light source, 5-reflection shield
6-housing, 7-thermal vias, 8-air vent
9-fastening bar, 10-fastening groove 11-be spirally connected post
12-heat-conducting plate, 13-positive stop strip, 14-fastening plate
15-clamping block, 16-raised line, 17-groove
18-spring mountings, 19-a few font fixed block, 20-spring
21-fixing strip, 22-connection port, 23-jump ring block
Wire frame 25-protective sleeve fixed by 24-spring.
Detailed description of the invention
For the ease of the understanding of those skilled in the art, below in conjunction with embodiment and accompanying drawing, the present invention is further illustrated, and the content that embodiment is mentioned not is limitation of the invention.See Fig. 1 to Fig. 6, below in conjunction with accompanying drawing, the present invention is described in detail.
A kind of LED Down lamp in the present embodiment, comprise photo engine module 1 and cover body 2, described photo engine module 1 comprises radiator 3, light source 4, reflection shield 5 and housing 6, described radiator 3 is connected with the upper end of light source 4, described reflection shield 5 is connected with the lower end of light source 4, and light source 4 is installed on the inner chamber of housing 6 together with reflection shield 5, the upper end of described housing 6 is fixedly connected with radiator 3, described radiator 3 is provided with the thermal vias 7 with the inner space of housing 6, and described housing 6 is provided with some air vents 8; The outside of described housing 6 is fixedly installed fastening bar 9, and the inner side of described cover body 2 is fixedly installed the fastening groove 10 suitable with fastening bar 9, and described photo engine module 1 realizes snapping by fastening bar 9 after the fastening groove 10 of cover body 2 rotates.
The present invention is formed primarily of photo engine module 1 and the large component combination of cover body 2 liang, and the radiator 3 of photo engine module 1 is provided with the thermal vias 7 with the inner space of housing 6, and housing 6 is provided with some air vents 8; The light source 4 used in the present embodiment is COB-LED module, because COB-LED module can produce a large amount of heat when luminescence, cause the pressure inside and outside housing 6 different, the gas inside and outside housing 6 is made to produce convection current, therefore a part of heat directly distributes from air vent 8 and thermal vias 7, and air vent 8, inner chamber, thermal vias 7 form a heat dissipation channel, are convenient to air current flow, realize cross-ventilation, good heat dissipation effect.Another part heat is also had to be distributed by radiator 3.The while of photo engine module 1, between passing hole, heat loss through convection and radiator heat-dissipation two kinds of approach dispel the heat, fast the heat that COB-LED module produces can be distributed, visible the present invention has very good radiating effect, effectively can extend the service life of Down lamp.Photo engine module 1 described in the present invention can assemble the light source 4 of different capacity, and can be applicable to the cover body 2 of different size and different size, has good compatibility.
In addition, when photo engine module 1 and cover body 2 combine, first fastening bar 7 aims at the insert port of the fastening groove 10 of cover body 2, and then rotating light engine module 1 makes fastening bar 9 and fastening groove 10 closely cooperate.The present invention can fixed Combination by rotate relative with the fastening groove 10 of cover body 2 of the fastening bar 9 of photo engine module, relative to prior art do not need use screw can by Down lamp fixed Combination, also can not need closely combine by professional tool, can carry out installation combination or maintenance easily, and its structure is simple.
In the present embodiment, described radiator 3 comprises some fin 31 and radiating bottom plate 32, one end of described fin 31 is fixedly connected with radiating bottom plate 32, form a heat-dissipating space between two adjacent fin 31, described thermal vias 7 is arranged on the radiating bottom plate 32 corresponding to heat-dissipating space.Wherein, described radiator 3 also includes heat radiation newel 34, and the lower end of described heat radiation newel 34 is fixedly connected with radiating bottom plate 32, and described fin 31 is fixedly connected with the excircle of heat radiation newel 34.
Wherein, be provided with heat-conducting plate 12 between described light source 4 and radiator 3, described heat-conducting plate 12 is fixedly connected with the back side of light source 4; When light source 4 is fixedly connected with radiator 3, described heat-conducting plate 12 abuts with radiating bottom plate 32.
When COB-LED module electrified light emitting, the heat part that it produces is distributed by through hole convection current, also has most heat to be distributed by radiator 3.Heat passes to heat-conducting plate 12 from the back side of COB-LED module, and heat-conducting plate 12 transfers heat to fin 31, radiating bottom plate 32 and heat radiation newel 34 again.Because radiator 3 is provided with some fin 31, its area of dissipation is larger, and heat is distributed rapidly, and radiator 3 can reach a good radiating effect.
Wherein, described radiating bottom plate 32 is provided with some tapped through holes 33, and described housing 6 corresponds to described tapped through hole 33 place and is provided with the post 11 that is spirally connected.The radiating bottom plate 32 of radiator 3 is fixedly connected with the post 11 that is spirally connected of housing 4 by using screw, connects fastening and is convenient to installation and maintenance.
Housing 6 of the present invention is at least provided with two fastening bars 9, and inside the upper end of described cover body 2, the quantity of set fastening groove 10 is consistent with the quantity of fastening bar 9.Housing 6 is symmetrically arranged with two fastening bars 9 in the present embodiment, more firm and closely in order to combine installation, and two fastening bars 9 can be increased to three, four or more.Wherein, described fastening groove 10 comprises positive stop strip 13 and fastening plate 14, and described fastening plate 14 is positioned at the top of positive stop strip 13; Above fastening plate 14, be set side by side with four clamping blocks 15, described clamping block 15 is one-body molded with fastening plate 14.After photo engine module 1 is inserted into cover body 2, housing 6 two bottom sides of photo engine module 1 abuts on the positive stop strip 13 of cover body 2 inside, can play the effect supporting photo engine module 1.
As shown in Figure 2, be provided with in the left side of fastening bar 9 and buckle into the fixed block that can touch clamping block 15 upper end to fastening groove 10 process at fastening bar 9, fixed block lower surface touches clamping block 15, wherein clamping block 15 is little bulk, it is less to the frictional force of fixed block lower surface, can allow fastening bar 9 smoothly rotation combination.If four clamping blocks 15 are replaced as a square block, square block can produce larger resistance to the fixed block lower surface on the left of fastening bar 9, especially when the size of fastening bar 9 exists error, can make fastening bar 9 cannot with fastening groove 4 snapping.
Wherein, described fastening bar 9 is provided with raised line 16, and described fastening plate 14 is provided with the groove 17 suitable with raised line 16.When the relative cover body 2 of photo engine module 1 does spinning movement, raised line 16 is firmly made to snap onto in groove 17, fastening bar 9 and fastening groove 10 are combined together tightly, raised line 16 stops photo engine module 1 at will not rotate, if desired photo engine module 1 is split out from fastening groove 10, must firmly make raised line 16 skid off groove 17, otherwise photo engine module 1 cannot split out easily from fastening groove 10.
Wherein, described cover body 2 is symmetrically installed with two spring mountings 18, described spring mountings 18 comprises a few font fixed block 19 and spring 20, described cover body 2 be provided with fixing strip 21 and be connected port 22, described a few font fixed block 19 inserts and connects port 22, and the left and right sides of a few font fixed block 19 is fixedly connected with fixing strip 21 respectively; The middle part hollow out of described a few font fixed block 19 forms installing space, and the both sides of installing space are respectively arranged with the jump ring block 23 of Relative distribution, and described spring 20 is arranged at installing space, and the two ends of spring 20 respectively with the grafting of two jump ring blocks 23.
As shown in Figure 5, spring mountings 18 of the present invention is symmetric the both sides being installed on cover body 2, when installing and using spring mountings 18, first use tool a few font fixed blocks 19 of middle part hollow out and cover body 2 fixed Combination to be integrated, and then use tool by the two ends of spring 20 respectively with the grafting of two jump ring blocks 23.Spring 20 combination only can need be installed on cover body 2 by tool by spring mountings 18 fast, and assembly process is few, effectively can save production cost.
As shown in Figure 6, the spring of described spring 20 is fixed above wire frame 24 and is provided with protective sleeve 25, and the protective sleeve 25 in the present embodiment is a plastic casing; Described protective sleeve 24 is provided with the draw-in groove (not marking in the drawings) fixing wire frame 24 for garter spring.
Spring 20 generally uses steel wire to twist and forms, the two ends of spring 20 have the spring be inconjunction with and fix wire frame 24, when Down lamp is embedded in lamp hole, the both sides that wire frame 24 can abut to lamp hole fixed by spring, play a supporting role, because spring 20 has bounce, also there is pressure the both sides that therefore wire frame 24 pairs of lamp holes fixed by spring.Spring 20 described in the present invention is torsion spring.Wherein, spring is fixed wire frame 24 and can be sticked in the draw-in groove of plastic casing completely, and protection spring is fixed wire frame 24 and directly do not worn and torn and oxide etch.In addition, plastic casing is provided with fricting strip, this fricting strip is arranged at the terminal part of plastic casing, and Down lamp is embedded in after in lamp hole, and fricting strip touches the surface of lamp hole both sides.
Above content is only preferred embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (10)
1. a LED Down lamp, comprise photo engine module and cover body, described photo engine module comprises radiator, light source, reflection shield and housing, described radiator is connected with the upper end of light source, described reflection shield is connected with the lower end of light source, and light source is installed on the inner chamber of housing together with reflection shield, and the upper end of described housing is fixedly connected with radiator, it is characterized in that: described radiator is provided with the thermal vias with the inner space of housing, described housing is provided with some air vents; The outside of described housing is fixedly installed fastening bar, and the inner side of described cover body is fixedly installed the fastening groove suitable with fastening bar, and described photo engine module passes through the fastening groove snapping of fastening bar and cover body.
2. a kind of LED Down lamp according to claim 1, it is characterized in that: described radiator comprises some fin and radiating bottom plate, one end of described fin is fixedly connected with radiating bottom plate, form a heat-dissipating space between two adjacent fin, described thermal vias is arranged on the radiating bottom plate corresponding to heat-dissipating space.
3. a kind of LED Down lamp according to claim 2, is characterized in that: described radiating bottom plate is provided with some tapped through holes, and described housing corresponds to described tapped through hole place and is provided with the post that is spirally connected.
4. a kind of LED Down lamp according to claim 2, is characterized in that: described radiator also includes heat radiation newel, and the lower end of described heat radiation newel is fixedly connected with radiating bottom plate, and described fin is fixedly connected with the excircle of heat radiation newel.
5. a kind of LED Down lamp according to claim 2, it is characterized in that: be provided with heat-conducting plate between described light source and radiator, described heat-conducting plate is fixedly connected with the back side of light source; When light source is fixedly connected with radiator, described heat-conducting plate abuts with radiating bottom plate.
6. a kind of LED Down lamp according to claim 1, is characterized in that: described housing is at least provided with two fastening bars, and inside the upper end of described cover body, the quantity of set fastening groove is consistent with the quantity of fastening bar.
7. a kind of LED Down lamp according to claim 1, is characterized in that: described fastening groove comprises positive stop strip and fastening plate, and described fastening plate is positioned at the top of positive stop strip; Above fastening plate, be arranged with four clamping blocks in parallel, described clamping block and fastening plate one-body molded.
8. a kind of LED Down lamp according to claim 7, is characterized in that: described fastening bar is provided with raised line, described fastening plate is provided with the groove suitable with raised line.
9. a kind of LED Down lamp according to claim 1, it is characterized in that: described cover body is symmetrically installed with two spring mountings, described spring mountings comprises a few font fixed block and spring, described cover body be provided with fixing strip and be connected port, and the left and right sides of a few font fixed block is fixedly connected with fixing strip respectively; The middle part hollow out of described a few font fixed block forms installing space, and the both sides of installing space are respectively arranged with the jump ring block of Relative distribution, and described spring is arranged at installing space, and the two ends of spring respectively with the grafting of two jump ring blocks.
10. a kind of LED Down lamp according to claim 9, is characterized in that: the spring of described spring is fixed above wire frame and is provided with protective sleeve, and described protective sleeve is provided with the draw-in groove fixing wire frame for garter spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310225987.2A CN103322452B (en) | 2013-06-08 | 2013-06-08 | LED (Light Emitting Diode) down lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310225987.2A CN103322452B (en) | 2013-06-08 | 2013-06-08 | LED (Light Emitting Diode) down lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103322452A CN103322452A (en) | 2013-09-25 |
| CN103322452B true CN103322452B (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310225987.2A Expired - Fee Related CN103322452B (en) | 2013-06-08 | 2013-06-08 | LED (Light Emitting Diode) down lamp |
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| Country | Link |
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| CN (1) | CN103322452B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015021885A1 (en) * | 2013-08-10 | 2015-02-19 | Wu Liangju | Ceiling lamp and heat dissipation shroud for same |
| WO2019104549A1 (en) * | 2017-11-29 | 2019-06-06 | 深圳乐谱照明科技有限公司 | Spring clip |
| CN109695840A (en) * | 2019-02-23 | 2019-04-30 | 浙江凯友照明科技有限公司 | A kind of energy conservation and environmental protection SMD downlight |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201277457Y (en) * | 2008-08-26 | 2009-07-22 | 高雪钟 | Reflecting element of illumination unit |
| CN102226507A (en) * | 2011-04-23 | 2011-10-26 | 无锡科依德光电科技有限公司 | Non-character line type optical beam digital wall-washer light system |
| CN203322799U (en) * | 2013-06-08 | 2013-12-04 | 东莞勤上光电股份有限公司 | LED (Light Emitting Diode) down lamp |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070097681A1 (en) * | 2005-11-01 | 2007-05-03 | Chich Robert H | Lighting device |
| JP2007294143A (en) * | 2006-04-21 | 2007-11-08 | Daikin Ind Ltd | Lighting system and bed provided with lighting system |
-
2013
- 2013-06-08 CN CN201310225987.2A patent/CN103322452B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201277457Y (en) * | 2008-08-26 | 2009-07-22 | 高雪钟 | Reflecting element of illumination unit |
| CN102226507A (en) * | 2011-04-23 | 2011-10-26 | 无锡科依德光电科技有限公司 | Non-character line type optical beam digital wall-washer light system |
| CN203322799U (en) * | 2013-06-08 | 2013-12-04 | 东莞勤上光电股份有限公司 | LED (Light Emitting Diode) down lamp |
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| CN103322452A (en) | 2013-09-25 |
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Effective date of registration: 20171103 Address after: 523565 Guangdong city of Dongguan province Changping Zhen Heng Jiang Jiang Xia Heng Industrial Road, set up a file Patentee after: KINGSUN OPTOELECTRONIC CO., LTD. Address before: 523565 Guangdong province Dongguan city Changping town Hengjiang Dongguan KingSun Au Optronics Co set up a file Patentee before: Dongguan Qinshang Photoelectric Co., Ltd. |
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