CN105698076A - LED down lamp with anti-dazzle function - Google Patents
LED down lamp with anti-dazzle function Download PDFInfo
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- CN105698076A CN105698076A CN201410685588.9A CN201410685588A CN105698076A CN 105698076 A CN105698076 A CN 105698076A CN 201410685588 A CN201410685588 A CN 201410685588A CN 105698076 A CN105698076 A CN 105698076A
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Abstract
The invention discloses an LED down lamp with an anti-dazzle function. The LED down lamp comprises a power box, a radiating shell, a lamp panel, a light refection bowl, a light transmitting plate and a face ring; the power box is fixedly arranged on the outer side of the bottom of the radiating shell, the lamp panel is fixedly arranged on the inner side of the bottom of the radiating shell, the light refection bowl is buckled to the lamp panel, the light transmitting plate is arranged at a lower opening of the light refection bowl in a covering manner, and the face ring is embedded at the outer edge of the light transmitting plate; and an auxiliary light reflection bowl with the outer wall of a stepped structure is further arranged in the light reflection bowl, and the auxiliary light reflection bowl is fixedly arranged on the inner side of the light transmitting plate. The LED down lamp has the beneficial effects that (1) integrated design is achieved; (2) the height of the overall lamp can be minimum; (3) up-and-down convection radiating is achieved, the radiating effect is good, the down lamp is maximum in power compared with down lamps in same size, and it is guaranteed that the service life of the light source is extremely long and is generally longer than 30000 hours; and (4) the LED down lamp is anti-dazzle, free of strobes, environment-friendly and healthy in light source, favorable for environmental protection and beneficial to preservation of eyesight.
Description
Technical field
The present invention relates to a kind of LED down with anti-dazzle function, belong to technical field of lighting fixtures。
Background technology
Down lamp is generally divided into recessed down light and bright fitted tube lamp。Wherein, be used in supermarket, market, office, hotels and other places mostly be recessed down light, recessed down light is arranged on the plasterboard of furred ceiling, and its light-emitting area becomes as a whole with plasterboard plane。Some furred ceiling is according to building needs, and the space above it is very short, and too high Down lamp cannot embed into。
Additionally LED light source generally all leans on aluminium alloy passively to dispel the heat, and the area of dissipation of aluminium alloy is directly correlated with the power of light source, and the aluminium alloy of the more big needs of the power of light fixture is more many。But too heavy light fixture should not be placed directly on plasterboard, so the power of LED down not quite easily does greatly, heat dissipation problem can its development and application with this always。
LED light source is novel green light source, but in the market, LED light source has the problem such as dazzle, stroboscopic after dressing up light fixture, works for a long time and democratic meeting affect the vision of people, although light and environmental friendliness in such lighting environment, but with people close friend。There is some evidence, LED light source is after green illumination, and Healthy Lighting is its trend developed further。
Summary of the invention
It is an object of the invention to provide a kind of LED down with anti-dazzle function, to solve the problems referred to above existing in prior art。
To achieve these goals, technical scheme is as follows:
A kind of LED down with anti-dazzle function, comprising: power pack, radiation shell, lamp plate, reflector, light-passing board dough-making powder circle, described power pack is fixedly arranged on the bottom outside of radiation shell, described lamp plate is installed in the bottom inside of radiation shell, and described reflector be located on lamp plate, and described light-passing board lid is located at the end opening of reflector, described circle is nested in light-passing board outer, wherein, being additionally provided with the auxiliary reflector that outer wall is stepped construction in described reflector, described auxiliary reflector is fixedly arranged on inside light-passing board。
Preferably, the lower internal diameter of described auxiliary reflector is more than upper internal diameter。
Adopting C-γ coordinate system, with light fixture exiting surface central axis direction for 0 ° of direction, the light in 60～90 ° of directions of light fixture easily causes direct glare, and the light in 45～60 ° of directions easily causes indirect glare, improves the method for dazzle nothing more than the light reducing the two direction。According to CIE117-1995 file, luminaire limitation curve can be used to plan specific lamp distribution curve, and the light intensity in design different angles direction, to reach to control the purpose of light fixture dazzle, restrictive curve formula is as follows, and this formula represents ordinary circumstance:
Lg (L)=(29+UGR-0.308 γ)/8
In formula, L is brightness value, and UGR is different grades of glare index, and γ is the angle of light fixture。As shown in Figure 4, thick line is the lamp brightness distribution curve adopting the method for the present invention to make, and this curve target UGR < 22, therefore curve should be in the left side of UGR22 curve。
The light source that the present invention adopts is that little granule LED paster array of source forms, and total light-emitting area area is relatively big, the light of so big light-emitting area will be concentrated on an angle, is very not easily。For this situation, overwhelming majority light has been concentrated on 0～45 ° of direction through the double-decker of reflector by the optical system of the present invention dexterously, in this process, we utilize the optical design software of specialty, set up fine optical model, sunykatuib analysis on first prior theory basis, then makes full pattern checking, has perfectly reached design object。Actual design process is as follows:
Space, light source place is divided into two parts core and symmetrical outer ring portion by double-deck reflector, and internal layer reflector collects the light of core, and outer layer reflector collects the light of outer ring portion so that all light-ray condensings are in 0～45 ° of direction。The total light-emitting area of light source determines direct irradiant angular range together with position, reflector outer, as it is shown in figure 9, the position control outer ring portion of A, D 2 directly penetrate light, B, C two point control core directly penetrate light。The light of commercial lighting Down lamp should control in 0～60 ° of direction, and the light of office lighting Down lamp should control 0～45 ° of direction (because the type unified glare index UGR of commercial lighting requires less than 22, the type unified glare index UGR of office lighting requires less than 19)。Additionally internal layer reflector should have with a certain distance from LED light source, in order to avoid light source of damaging。Opposite side at internal layer reflector has some ledge structures, the cross section near vertical of its vertical direction, can making the rising angle of the secondary reflection light rising angle equal to or less than primary event light, the rising angle of primary event light of so having only to control well is just passable, as shown in Figure 5。
Being above the control method to dazzle, the rising angle of light fixture then can pass through to adjust the radian of outer layer reflector and internal layer reflector, and the total lighting area of light source adjusts light fixture rising angle。
Preferably, described radiation shell includes fixed flat planar, some outer fins and some inner fins, described outer fin is uniformly installed in the periphery of fixed flat planar, and described inner fin is uniformly installed in the upper surface of fixed flat planar, and described outer fin and inner fin are all perpendicular with fixed flat planar。
Preferably, the lower edge of described circle and outer fin is left the inner side of spacing, described reflector and outer wing sheet and is left spacing。
The structural design that radiation shell is special, fixed platform four encloses outer fin to increase area of dissipation Monday, all radiating fins are connected by this platform, fixed platform lamp plate placed below (pyrotoxin), fixed platform upper surface has some inner fins, power pack base plate is shelved on these inner fins, these inner fins constitute an air cavity to completely cut off fixed platform and power supply, prevent the heat in fixed platform from converging to and power supply PCB (so can increase power supply reliability), and this air chamber body side surface leaves the slit of some 2mm (can increase horizontal cross-ventilation, can prevent again little insect from entering)。Gap between cold air face circle and outer fin from below enters, and the gap inside reflector and outer fin, airflow passes radiating fin forms hot-air upward, and hot-air has distributed radiation processes upward。
Preferably, it is equipped with spacer between adjacent two described outer fins。
Preferably, two the described spacers being oppositely arranged respectively are provided with a spring mountings。
Preferably, described power pack includes power pack base plate, power pack upper cover, power supply pcb board, and described power pack upper cover is fastened on power pack base plate, and described power supply pcb board is installed in power pack backplate surface。
Preferably, described power pack base plate is additionally provided with fixing pressure-ray film, described fixing pressure-ray film is equipped with movable pressure-ray film。
The beneficial effects are mainly as follows:
1) integrated design, power supply and main body are fixed together, and have only to integral installation just passable, do not worry that mouse stings bad connecting line during installation；
2) whole lamp height can be accomplished very low, so also can apply in the ceiling void that some are shorter；
3) under the premise that product weight is moderate, adding a lot of radiating fin, and have upper and lower heat loss through convection, good heat dissipation effect, in the Down lamp of comparable size, this lamp power can be accomplished maximum, and ensures light source life overlength, is typically in more than 30000 hours；
4) anti-dazzle, without stroboscopic, light source green health, be conducive to environmental conservation, be conducive to sight protectio；
5) SMD paster light source can be used to replace COB light source, and such cost can reduce；
6) having air buffer between die casting radiator and power supply, it is prevented that power source temperature is too high, improve power supply reliability, and this air buffer has transverse convection to dispel the heat, suitable hole both can guarantee that convection channel, can prevent again insect entrance；
7) Product Assembly is convenient, because spare and accessory parts are few and combination between spare and accessory parts is also adapted for quick assembling。
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the LED with anti-glare function of the present invention；
Fig. 2 is the decomposing schematic representation of Fig. 1；
Fig. 3 is the enlarged diagram of reflector part in the present invention；
Fig. 4 is the luminaire limitation curve in the present invention；
Fig. 5 is the Down lamp of present invention light path schematic diagram under the reflection of reflector and auxiliary reflector；
Fig. 6 is the top view of radiation shell in the present invention；
Fig. 7 is the enlarged diagram of radiation shell bottom side in the present invention；
Fig. 8 is the power pack decomposing schematic representation in the present invention；
Fig. 9 is direct rising angle control figure。
In figure: 1, battery case；2, radiation shell；3, lamp plate；4, reflector；5, light-passing board；6, face circle；7, spring mountings；11, battery case upper cover；12, battery case base plate；13, pcb board；14, movable pressure-ray film；15, fixing pressure-ray film；21, fixed flat planar；22, inner fin；23, outer fin；24, spacer；41, auxiliary reflector。
Detailed description of the invention
The structure of a kind of LED down with anti-dazzle function provided by the invention is as shown in Figure 1, Figure 2 and Figure 3, power pack 1 is fixedly arranged on the bottom outside of radiation shell 2, lamp plate 3 is installed in the bottom inside of radiation shell 2, reflector 4 be located on lamp plate 3, light-passing board 5 lid is located at the end opening of reflector 4, face circle 6 is nested in the outer of light-passing board 5, wherein, the auxiliary reflector 41 that outer wall is stepped construction it is additionally provided with in reflector 4, auxiliary reflector 41 is fixedly arranged on the inner side of light-passing board 5, and the lower internal diameter of auxiliary reflector 41 is more than upper internal diameter。Can anti-dazzle, without stroboscopic, light source green health, be conducive to environmental conservation, be conducive to sight protectio。
Specifically, the structure of radiation shell 2 is as shown in Figure 6, including fixed flat planar 21, the upper surface of fixed flat planar 21 is installed with some inner fins 22 equably, the outer of fixed flat planar 21 is installed with some outer fins 23 equably, being additionally provided with spacer 24 between adjacent two outer fins 23, outer fin 23 and inner fin 22 are all perpendicular with fixed flat planar。Therefore, power pack 1 can be connected to the top of inner fin 22, lamp plate 3 is installed in the lower surface of fixed flat planar by screw, owing to the top of inner fin 22 is all direct with fixed flat planar from a distance, therefore, battery case 1 and lamp plate 3 are also not directly contacted with, and make to leave space between battery case 1 and lamp plate 3, and when being conducive to lamp plate 3 to work, heat distributes。Two spacers 24 being oppositely arranged are respectively provided with a spring mountings 7 being fixed connection by screw。
Further, as shown in Figure 7, spacing is left on the lower edge of face circle 6 and outer fin 23, spacing is left in the inner side of reflector 4 and outer fin 23, gap between cold air face circle and outer fin from below enters, gap inside reflector and outer fin, airflow passes radiating fin forms hot-air upward, and hot-air has distributed radiation processes upward。
Simultaneously, the structure of power pack 1 is as shown in Figure 8, including power pack base plate 12, power pack upper cover 11, power supply pcb board 13, power pack upper cover 11 is fastened on power pack base plate 12, pcb board 14 is installed in power pack base plate 12 upper surface, power pack base plate 12 is additionally provided with fixing pressure-ray film 15, described fixing pressure-ray film is equipped with movable pressure-ray film。
The beneficial effects are mainly as follows:
1) integrated design, power supply and main body are fixed together, and have only to integral installation just passable, do not worry that mouse stings bad connecting line during installation；
2) whole lamp height can be accomplished very low, so also can apply in the ceiling void that some are shorter；
3) under the premise that product weight is moderate, adding a lot of radiating fin, and have upper and lower heat loss through convection, good heat dissipation effect, in the Down lamp of comparable size, this lamp power can be accomplished maximum, and ensures light source life overlength, is typically in more than 30000 hours；
4) anti-dazzle, without stroboscopic, light source green health, be conducive to environmental conservation, be conducive to sight protectio；
5) SMD paster light source can be used to replace COB light source, and such cost can reduce；
6) having air buffer between die casting radiator and power supply, it is prevented that power source temperature is too high, improve power supply reliability, and this air buffer has transverse convection to dispel the heat, suitable hole both can guarantee that convection channel, can prevent again insect entrance；
7) Product Assembly is convenient, because spare and accessory parts are few and combination between spare and accessory parts is also adapted for quick assembling。
In sum, it is only presently preferred embodiments of the present invention, not being used for limiting scope of the invention process, all equalizations done according to the shape described in the claims in the present invention scope, structure, feature and spirit change and modify, and all should be included in scope of the presently claimed invention。
Claims (8)
1. a LED down with anti-dazzle function, it is characterized in that, including: power pack, radiation shell, lamp plate, reflector, light-passing board dough-making powder circle, described power pack is fixedly arranged on the bottom outside of radiation shell, described lamp plate is installed in the bottom inside of radiation shell, described reflector be located on lamp plate, described light-passing board lid is located at the end opening of reflector, described circle is nested in light-passing board outer, wherein, being additionally provided with the auxiliary reflector that outer wall is stepped construction in described reflector, described auxiliary reflector is fixedly arranged on inside light-passing board。
2. LED down as claimed in claim 1, it is characterised in that the lower internal diameter of described auxiliary reflector is more than upper internal diameter。
3. LED down as claimed in claim 1, it is characterized in that, described radiation shell includes fixed flat planar, some outer fins and some inner fins, described outer fin is uniformly installed in the periphery of fixed flat planar, described inner fin is uniformly installed in the upper surface of fixed flat planar, and described outer fin and inner fin are all perpendicular with fixed flat planar。
4. the LED down as described in claim 1 or 2 or 3, it is characterised in that the lower edge of described circle and outer fin is left the inner side of spacing, described reflector and outer wing sheet and left spacing。
5. LED down as claimed in claim 3, it is characterised in that be equipped with spacer between adjacent two described outer fins。
6. LED down as claimed in claim 5, it is characterised in that be respectively provided with a spring mountings on two the described spacers being oppositely arranged。
7. the LED down as described in claim 1 or 6, it is characterised in that described power pack includes power pack base plate, power pack upper cover, power supply pcb board, and described power pack upper cover is fastened on power pack base plate, and described power supply pcb board is installed in power pack backplate surface。
8. LED down as claimed in claim 7, it is characterised in that be additionally provided with fixing pressure-ray film on described power pack base plate, described fixing pressure-ray film is equipped with movable pressure-ray film。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410685588.9A CN105698076A (en) | 2014-11-25 | 2014-11-25 | LED down lamp with anti-dazzle function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410685588.9A CN105698076A (en) | 2014-11-25 | 2014-11-25 | LED down lamp with anti-dazzle function |
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| Publication Number | Publication Date |
|---|---|
| CN105698076A true CN105698076A (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410685588.9A Pending CN105698076A (en) | 2014-11-25 | 2014-11-25 | LED down lamp with anti-dazzle function |
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| Country | Link |
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| CN (1) | CN105698076A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122846A (en) * | 2016-08-24 | 2016-11-16 | 横店集团得邦照明股份有限公司 | The LED down of a kind of pair of isolation radiating formula and its implementation |
| CN106678629A (en) * | 2016-11-29 | 2017-05-17 | 潘云清 | Down lamp |
| CN107461716A (en) * | 2017-09-05 | 2017-12-12 | 华格照明灯具（上海）有限公司 | A kind of optical reflector |
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| KR20140103666A (en) * | 2013-02-19 | 2014-08-27 | 주식회사 연우라이팅 | Integral reflector LED lighting |
| CN203848127U (en) * | 2014-04-30 | 2014-09-24 | 佛山市朗士照明有限公司 | Planar anti-dazzle all-direction ceiling lamp |
| CN204201700U (en) * | 2014-11-25 | 2015-03-11 | 上海润尚光电科技有限公司 | A kind of LED down with anti-dazzle function |
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| CN201954331U (en) * | 2011-01-27 | 2011-08-31 | 秦皇岛鹏远光电子科技有限公司 | Integral LED down lamp |
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| KR20140103666A (en) * | 2013-02-19 | 2014-08-27 | 주식회사 연우라이팅 | Integral reflector LED lighting |
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| CN203848127U (en) * | 2014-04-30 | 2014-09-24 | 佛山市朗士照明有限公司 | Planar anti-dazzle all-direction ceiling lamp |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106122846A (en) * | 2016-08-24 | 2016-11-16 | 横店集团得邦照明股份有限公司 | The LED down of a kind of pair of isolation radiating formula and its implementation |
| CN106678629A (en) * | 2016-11-29 | 2017-05-17 | 潘云清 | Down lamp |
| CN107461716A (en) * | 2017-09-05 | 2017-12-12 | 华格照明灯具（上海）有限公司 | A kind of optical reflector |
| CN107461716B (en) * | 2017-09-05 | 2023-09-19 | 华格照明科技（上海）有限公司 | Optical reflector |
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Application publication date: 20160622 |
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