CN204254413U - A kind of reflective bar-shaped LED spotlight - Google Patents
A kind of reflective bar-shaped LED spotlight Download PDFInfo
- Publication number
- CN204254413U CN204254413U CN201420838430.6U CN201420838430U CN204254413U CN 204254413 U CN204254413 U CN 204254413U CN 201420838430 U CN201420838430 U CN 201420838430U CN 204254413 U CN204254413 U CN 204254413U
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- CN
- China
- Prior art keywords
- lamp housing
- reflecting drum
- shaped led
- aluminium base
- led spotlight
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model relates to a kind of reflective bar-shaped LED spotlight, comprises lamp housing, LED lamp bead, reflecting drum and glass plate.Lamp housing upper end open lower end closed, it comprises heat radiation rack, intermediate plate, two draw-in grooves and aluminium base; Heat radiation rack is arranged on bottom lamp housing, heat radiation rack is arranged on described reflecting drum upper and lower opening bottom lamp housing and lower port is vertically fixed on LED fixed head upper surface, lamp pearl is fixed on the upper surface of LED fixed head and is positioned at reflecting drum lower port, glass plate push down reflecting drum upper port and glass plate two ends lay respectively at two ends inside lamp housing upper end draw-in groove in and be connected together with lamp housing.The utility model relates to a kind of reflective bar-shaped LED spotlight, and without plastic lens distortion, aging yellowing phenomenon, taper reflecting drum can forever use, and reflectivity is high, and spotlight effect is good, and luminous efficiency is high, energy-conservation low-power consumption.
Description
Technical field
The utility model relates to field of LED illumination, is specifically related to a kind of reflective bar-shaped LED spotlight.
Background technology
LED lamplight utilizes red, blue, the green principle of three primary colours, makes multiple tone color photoreactivation of colour temperature 3500-10000 and the extremely wide white light of the spectrum formed.Current line-scan digital camera illumination generally adopts LED strip shape lamp, with LED lamp and plastic lens luminous intensity distribution, because considering its cost, simple lens and lampshade integrated plastic (PMP/PC) die casting is all adopted to form, because of batch production, disposable good, initial stage use cost is low, uses initial stage light intensity good, is generally used, but the outdoor day and night temperature difference is large, daytime, ultraviolet was strong, because of the restriction of technology and process conditions, the plastic lens coefficient of expansion is large, cold and hot temperature deformation is large, and turn to be yellow soon aging, luminous efficiency is low; Light transmittance obviously declines, and illumination is generally inadequate, and the awkward awkward situation that picture quality generally declines appears in the later stage.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of reflective bar-shaped LED spotlight, solve conventional strip LED and adopt LED lamp and plastic lens luminous intensity distribution, there is the defect that large, the cold and hot temperature deformation of the coefficient of expansion is large, the aging fast and light transmittance that turns to be yellow declines, reflectivity is high, spotlight effect is good, luminous efficiency is high, energy-conservation low-power consumption.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of reflective bar-shaped LED spotlight, comprises lamp housing, LED lamp bead, reflecting drum and glass plate.Described lamp housing upper end open lower end closed, it comprises heat radiation rack, intermediate plate, two draw-in grooves and aluminium base, described heat radiation rack is arranged on bottom lamp housing, described heat radiation rack is provided with several fin, the two ends of described intermediate plate are separately fixed on the inwall of lamp housing both sides, described aluminium base is fixed on the upper surface of intermediate plate, and described two draw-in grooves are separately positioned on two ends relative inside lamp housing upper end; Described reflecting drum upper and lower opening and lower port is fixed on aluminium base upper surface, described LED lamp bead is fixed on aluminium base upper surface and is positioned at reflecting drum lower port, and described glass plate pushes down reflecting drum upper port and glass plate two ends are fastened in described two draw-in grooves respectively.
On the basis of technique scheme, the utility model can also do following improvement:
Further, heat-conducting silicone grease is scribbled between described aluminium base and intermediate plate.
The beneficial effect of above-mentioned further technical scheme is adopted to be: the heat that LED lamp bead produces can be rapidly to LED fixed head by aluminium base by heat-conducting silicone grease and scatter, the LED lamp bead of avoiding of trying one's best at high temperature works, and extends the life-span of LED lamp bead.
Further, the lower port of described reflecting drum is fixed on the center of aluminium base upper surface, and described LED lamp bead is positioned at the center of reflecting drum lower port.
The beneficial effect of above-mentioned further technical scheme is adopted to be: by adopting aforesaid way, by utilizing the reflecting surface of reflecting drum after LED lamplight optically focused sidelight all collected and reflect away, the optical superposition of the reflection produced with LED lamp bead, can obtain the most perfect light and utilize and fabulous hot spot effect.
Further, described reflecting drum is aluminium alloy finish turning, and inwall is coated with reflective membrane.
Adopt the beneficial effect of above-mentioned further technical scheme to be: adopt aforesaid way, the reflectivity of bar-shaped LED lamp is high, have splendid weatherability and forever without the permanence operation faded, and have spotlight effect good, hot spot is little, the feature that center illumination is high.
Further, be respectively equipped with waterproof adhesive tape in described two draw-in grooves, described waterproof adhesive tape is arranged on the below that described glass plate snaps in the part in described draw-in groove.
Adopt the beneficial effect of above-mentioned further technical scheme to be: to adopt waterproof adhesive tape that bar-shaped LED lamp can be made to possess good waterproof effect, meet southern moist area of heavy rainfull and even use under other exceedingly odious conditions.
Further, described intermediate plate lower surface, lamp housing both sides inwall and heat radiation rack upper surface form air transmitted chamber.
Adopt the beneficial effect of above-mentioned further technical scheme to be: by forming air transmitted chamber at intermediate plate lower surface, when bar-shaped LED lamp work, formation stack effect, forms passive active heat radiation, has good radiating effect.
Further, described intermediate plate lower surface is provided with several fin.
Further, the thickness of described aluminium base is adjustable.
Adopt the beneficial effect of above-mentioned further technical scheme to be: by changing the thickness of aluminium base, the increase that the height of reflecting drum is also corresponding or minimizing, can obtain different spotlight effects, to reach actual demand.
The beneficial effects of the utility model are: the reflective bar-shaped LED spotlight of one of the present utility model, solve conventional strip LED and adopt LED lamp and plastic lens luminous intensity distribution, there is the defect that large, the cold and hot temperature deformation of the coefficient of expansion is large, the aging fast and light transmittance that turns to be yellow declines, there is reflectivity high, spotlight effect is good, luminous efficiency is high, the advantage of energy-conservation low-power consumption, can produce height diffusion, nondirectional light.
Accompanying drawing explanation
Fig. 1 is the cross sectional representation of a kind of reflective bar-shaped LED spotlight of the utility model.
In accompanying drawing, the list of parts representated by each label is as follows:
1, lamp housing, 2, LED lamp bead, 3, reflecting drum, 4, glass plate;
11, heat radiation rack, 12, intermediate plate, 13, draw-in groove, 14, waterproof adhesive tape, 15, aluminium base.
Detailed description of the invention
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, a kind of cross sectional representation of reflective bar-shaped LED spotlight, comprises lamp housing 1, LED lamp bead 2, reflecting drum 3 and glass plate 4.Described lamp housing 1 upper end open lower end closed, it comprises heat radiation rack 11, intermediate plate 12, two draw-in grooves 13 and aluminium base 15, described heat radiation rack 11 is arranged on bottom lamp housing 1, described heat radiation rack 11 is provided with several fin, the two ends of described intermediate plate 12 are separately fixed on the inwall of lamp housing 1 both sides, described aluminium base 15 is fixed on the upper surface of intermediate plate 12, and described two draw-in grooves 13 are separately positioned on two ends relative inside lamp housing 1 upper end; Described reflecting drum 3 upper and lower opening and lower port is fixed on aluminium base 15 upper surface, described LED lamp bead 2 is fixed on aluminium base 15 upper surface and is positioned at reflecting drum 3 lower port, and described glass plate 4 pushes down reflecting drum 3 upper port and glass plate 4 two ends are fastened in described two draw-in grooves 13 respectively.
In the present embodiment, heat-conducting silicone grease is scribbled between described aluminium base 15 and intermediate plate 12, the heat that LED lamp bead 2 can be produced by heat-conducting silicone grease is rapidly to below intermediate plate by aluminium base 15 and scatters, and the LED lamp bead of avoiding of trying one's best at high temperature works, and extends the life-span of LED lamp bead.
Preferably, the lower port of described reflecting drum 3 is fixed on the center (center line in bar length direction) of aluminium base 15 upper surface, and described LED lamp bead 2 is positioned at the center of reflecting drum 3 lower port, can by utilizing after LED lamplight optically focused the reflecting surface of reflecting drum sidelight all be collected and reflect away, the optical superposition of the reflection produced with LED lamp bead 3, can obtain the most perfect light and utilize and fabulous hot spot effect.
In the present embodiment, described reflecting drum 3 is aluminium alloy finish turning, inwall is coated with reflective membrane, by utilizing reflecting drum 3 after LED optically focused sidelight all collected and reflect away, making the reflectivity of bar-shaped LED lamp high, there is splendid weatherability and forever without the permanence operation faded, and have spotlight effect good, hot spot is little, and light is evenly soft, the feature that center illumination is high.
In the present embodiment, described intermediate plate 12 lower surface, lamp housing 1 both sides inwall and heat radiation rack 11 upper surface form air transmitted chamber, utilize the mode of stack effect to dispel the heat, have energy-conservation low-power consumption, the advantage of rapid heat dissipation when bar-shaped LED lamp works.
Waterproof adhesive tape 14 is respectively equipped with in described two draw-in grooves 13, described waterproof adhesive tape is arranged on the below that described glass plate 4 snaps in the part in described draw-in groove 13, make to form closed environment below glass plate 4, make bar-shaped LED lamp possess good waterproof effect, meet southern moist area of heavy rainfull and even use under other exceedingly odious conditions.
In addition, described bar-shaped LED spotlight adopts step-by-step movement constant current-supplying circuit, and power stepping is adjustable, runs, extend the service life of LED lamp bead 2 under allowing LED lamp bead 2 begin to be in unsaturation power rating.When LED lamp bead 2 is when entering the half-life, illumination can be increased by Modulating Power power, reducing later stage use cost.
Preferably, described intermediate plate 13 lower surface is provided with fin, and the heat strengthened in lamp housing 1 distributes further, guides heat to distribute downwards, and is dispelled the heat by the mode of air transmitted chamber formation stack effect, improves radiating rate.
In the present embodiment, several LED lamp bead 2 arrange composition strip light successively on aluminium base 15, described LED lamp bead 2 can line up one, also also Heterogeneous Permutation can be replaced, the distance of two adjacent LEDs lamp pearl 2 can be arranged flexibly, be preferably equidistant setting, the position of several reflecting drums 3 is corresponding with the position of LED lamp bead fixing.
In addition, the thickness of described aluminium base 15 can adjust according to actual conditions, and the height of reflecting drum 3 is also corresponding to be increased or reduce, and can reach different spotlight effects like this, with practical requirement.
The reflective bar-shaped LED spotlight of one of the present utility model, without plastic lens distortion, be not acted upon by temperature changes, without aging yellowing phenomenon, taper reflecting drum can forever use, meanwhile, all being collected utilizing reflecting drum after LED optically focused by sidelight and reflect away, reflectivity is high, spotlight effect is good, can obtain height diffusion, nondirectional light, luminous efficiency is high, energy-conservation low-power consumption.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a reflective bar-shaped LED spotlight, is characterized in that: comprise lamp housing (1), some LED lamp bead (2), reflecting drum (3) and glass plate (4);
Described lamp housing (1) upper end open lower end closed, it comprises heat radiation rack (11), intermediate plate (12), two draw-in grooves (13) and aluminium base (15), described heat radiation rack (11) is arranged on lamp housing (1) bottom, (11) are provided with several fin to described heat radiation rack, the two ends of described intermediate plate (12) are separately fixed on the inwall of lamp housing (1) both sides, described aluminium base (15) is fixed on the upper surface of intermediate plate (12), described two draw-in grooves (13) are separately positioned on two ends relative inside lamp housing (1) upper end,
Described reflecting drum (3) upper and lower opening and lower port is fixed on aluminium base (15) upper surface, described LED lamp bead (2) is fixed on aluminium base (15) upper surface and is positioned at reflecting drum (3) lower port, and described glass plate (4) pushes down reflecting drum (3) upper port and glass plate (4) two ends are fastened in described two draw-in grooves (13) respectively.
2. the reflective bar-shaped LED spotlight of one according to claim 1, is characterized in that: scribble heat-conducting silicone grease between described aluminium base (15) and intermediate plate (12).
3. the reflective bar-shaped LED spotlight of one according to claim 2, it is characterized in that: the lower port of described reflecting drum (3) is fixed on the center of aluminium base (15) upper surface, and described LED lamp bead (2) is positioned at the center of reflecting drum (3) lower port.
4. the reflective bar-shaped LED spotlight of one according to claim 1, is characterized in that: described reflecting drum (3) is aluminium alloy finish turning, and inwall is coated with reflective membrane.
5. the reflective bar-shaped LED spotlight of one according to claim 1, it is characterized in that: be respectively equipped with waterproof adhesive tape (14) in described two draw-in grooves (13), described waterproof adhesive tape is arranged on the below that described glass plate (4) snaps in the part in described draw-in groove (13).
6. the reflective bar-shaped LED spotlight of one according to claim 1, is characterized in that: described intermediate plate (12) lower surface, lamp housing (1) both sides inwall and heat radiation rack (11) upper surface form air transmitted chamber.
7. the reflective bar-shaped LED spotlight of one according to claim 1, is characterized in that: described intermediate plate (12) lower surface is provided with several fin.
8. the reflective bar-shaped LED spotlight of the one according to any one of claim 1 to 7, is characterized in that: the thickness of described aluminium base (15) is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420838430.6U CN204254413U (en) | 2014-12-25 | 2014-12-25 | A kind of reflective bar-shaped LED spotlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420838430.6U CN204254413U (en) | 2014-12-25 | 2014-12-25 | A kind of reflective bar-shaped LED spotlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204254413U true CN204254413U (en) | 2015-04-08 |
Family
ID=52958717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420838430.6U Expired - Fee Related CN204254413U (en) | 2014-12-25 | 2014-12-25 | A kind of reflective bar-shaped LED spotlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204254413U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989285A (en) * | 2016-01-21 | 2017-07-28 | 江苏明朗照明科技有限公司 | A kind of outdoor LED water proof lamp adhesion without adhesiver seals waterproof technique |
| CN107084450A (en) * | 2017-06-20 | 2017-08-22 | 好空气科技发展有限公司 | A kind of new mobile type air purifying sterilizer |
-
2014
- 2014-12-25 CN CN201420838430.6U patent/CN204254413U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989285A (en) * | 2016-01-21 | 2017-07-28 | 江苏明朗照明科技有限公司 | A kind of outdoor LED water proof lamp adhesion without adhesiver seals waterproof technique |
| CN107084450A (en) * | 2017-06-20 | 2017-08-22 | 好空气科技发展有限公司 | A kind of new mobile type air purifying sterilizer |
| CN107084450B (en) * | 2017-06-20 | 2023-05-30 | 成都贝尔斯特科技有限公司 | Novel portable air purification sterilizer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20151225 |
|
| EXPY | Termination of patent right or utility model |