CN204254355U - A kind of reflective bar-shaped LED floodlight - Google Patents
A kind of reflective bar-shaped LED floodlight Download PDFInfo
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- CN204254355U CN204254355U CN201420843368.XU CN201420843368U CN204254355U CN 204254355 U CN204254355 U CN 204254355U CN 201420843368 U CN201420843368 U CN 201420843368U CN 204254355 U CN204254355 U CN 204254355U
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- led
- back taper
- lamp housing
- reflecting drum
- taper reflecting
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Abstract
The utility model relates to a kind of reflective bar-shaped LED floodlight, comprises lamp housing, LED lamp bead, back taper reflecting drum and glass plate.Lamp housing upper end open lower end closed, it comprises heat radiation rack, intermediate plate, LED fixed head, two draw-in grooves and aluminium base; Heat radiation rack to be arranged on bottom lamp housing and heat radiation rack to be provided with several fin, back taper reflecting drum upper and lower opening and lower port is fixed on aluminium base upper surface, lamp pearl is fixed on the upper surface of aluminium base and is positioned at back taper reflecting drum lower port, and glass plate pushes down back taper reflecting drum upper port and glass plate two ends are fastened in described two draw-in grooves respectively.The utility model relates to a kind of reflective bar-shaped LED floodlight, 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 floodlight.
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 floodlight, 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 floodlight, comprises lamp housing, LED lamp bead, back taper reflecting drum and glass plate.Described upper end open lower end closed, it comprises heat radiation rack, intermediate plate, LED fixed head, 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 LED fixed head are separately fixed on the inwall of lamp housing both sides, described aluminium base is fixed on the upper surface of LED fixed head, the two ends of described intermediate plate are separately fixed at lamp housing both sides inwall and between heat radiation rack and LED fixed head, described two draw-in grooves are separately positioned on two ends relative inside lamp housing upper end; Described back taper reflecting drum upper and lower opening and lower port is fixed on aluminium base upper surface, described LED lamp bead is fixed on the upper surface of aluminium base and is positioned at back taper reflecting drum lower port, and described glass plate pushes down back taper 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 LED fixed head.
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 back taper reflecting drum is fixed on the center of aluminium base upper surface, and described LED lamp bead is positioned at the center of back taper reflecting drum lower port.
The beneficial effect of above-mentioned further technical scheme is adopted to be: by adopting aforesaid way, by utilizing back taper face 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 back taper 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 LED fixed head lower surface is provided with several fin.
Further, described LED fixes lamp plate and slides up and down in lamp housing, and is fixed on after select location on the inwall of lamp housing both sides.
The beneficial effect of above-mentioned further technical scheme is adopted to be: by changing the position of LED fixed head and correspondingly changing the height of back taper reflecting drum, different spotlight effects can be obtained, to reach actual demand.
Further, the cone angle of described back taper reflecting drum is adjustable.
The beneficial effect of above-mentioned further technical scheme is adopted to be: can range of exposures be changed by the cone angle changing back taper reflecting drum.
The beneficial effects of the utility model are: the reflective bar-shaped LED floodlight 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 floodlight 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, back taper reflecting drum, 4, glass plate;
11, heat radiation rack, 12, intermediate plate, 13, LED fixed head, 14, draw-in groove, 15, waterproof adhesive tape, 16, 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 floodlight, comprises lamp housing 1, LED lamp bead 2, back taper 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, LED fixed head 13, two draw-in grooves 14 and aluminium base 16, 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 LED fixed head 13 are separately fixed on the inwall of lamp housing 1 both sides, described aluminium base 16 is fixed on the upper surface of LED fixed head 13, the two ends of described intermediate plate 12 are separately fixed at lamp housing 1 both sides inwall and between heat radiation rack 11 and LED fixed head 13, described two draw-in grooves 14 are separately positioned on two ends relative inside lamp housing 1 upper end, described back taper reflecting drum 3 upper and lower opening and lower port is fixed on aluminium base 16 upper surface, described LED lamp bead 2 is fixed on the upper surface of aluminium base 16 and is positioned at back taper reflecting drum 3 lower port, and described glass plate 4 pushes down back taper reflecting drum 3 upper port and glass plate 4 two ends are fastened in described two draw-in grooves 14 respectively.
In the present embodiment, heat-conducting silicone grease is scribbled between described aluminium base 16 and LED fixed head 13, the heat that LED lamp bead 2 can be produced by heat-conducting silicone grease is rapidly to LED fixed head 13 by aluminium base 16 and scatters, and the LED lamp bead 2 of avoiding of trying one's best at high temperature works, and extends the life-span of LED lamp bead 2.
Preferably, the lower port of described back taper reflecting drum 3 is fixed on the center (center line in bar length direction) of aluminium base 16 upper surface, and described LED lamp bead 2 is positioned at the center of back taper reflecting drum 3 lower port, can by utilizing after LED lamplight optically focused back taper face 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 back taper reflecting drum 3 is aluminium alloy finish turning, inwall is coated with reflective membrane, by utilizing back taper 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 LED fixed head 13 lower surface is provided with fin, guide heat going down, described intermediate plate 12 lower surface, lamp housing 1 both sides inwall and heat radiation rack 11 upper surface form air transmitted chamber simultaneously, the mode of stack effect is utilized to dispel the heat, there is energy-conservation low-power consumption, the advantage of rapid heat dissipation.
Preferably, described LED fixes lamp plate 13 and can slide up and down in lamp housing 1, and be fixed on the inwall of lamp housing 1 both sides after select location, the height of described back taper reflecting drum 3 changes thereupon, to guarantee that described glass plate 4 pushes down back taper reflecting drum 3 upper port and glass plate 4 two ends are fastened in described two draw-in grooves 14 respectively.Also correspondingly changed the height of back taper reflecting drum 3 by the position changing LED fixed head 13, different spotlight effects can be obtained, to reach actual demand.
Waterproof adhesive tape 15 is respectively equipped with in described two draw-in grooves 14, described waterproof adhesive tape 15 is arranged on the below that described glass plate 4 snaps in the part in described draw-in groove 14, closed environment is formed 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 floodlight 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.
In the present embodiment, several LED lamp bead 2 arrange composition strip light successively on aluminium base 16, 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 back taper reflecting drums 3 is corresponding with the position of LED lamp bead fixing.
In addition, the cone angle of described back taper reflecting drum 3 can adjust according to actual conditions, changes range of exposures, with practical requirement.
The reflective bar-shaped LED floodlight 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 back taper 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 (9)
1. a reflective bar-shaped LED floodlight, is characterized in that: comprise lamp housing (1), LED lamp bead (2), back taper 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), LED fixed head (13), two draw-in grooves (14) and aluminium base (16), 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 LED fixed head (13) are separately fixed on the inwall of lamp housing (1) both sides, described aluminium base (16) is fixed on the upper surface of LED fixed head (13), the two ends of described intermediate plate (12) are separately fixed at lamp housing (1) both sides inwall and are positioned between heat radiation rack (11) and LED fixed head (13), described two draw-in grooves (14) are separately positioned on two ends relative inside lamp housing (1) upper end,
Described back taper reflecting drum (3) upper and lower opening and lower port is fixed on aluminium base (16) upper surface, described LED lamp bead (2) is fixed on the upper surface of aluminium base (16) and is positioned at back taper reflecting drum (3) lower port, and described glass plate (4) pushes down back taper reflecting drum (3) upper port and glass plate (4) two ends are fastened in described two draw-in grooves (14) respectively.
2. the reflective bar-shaped LED floodlight of one according to claim 1, is characterized in that: scribble heat-conducting silicone grease between described aluminium base (16) and LED fixed head (13).
3. the reflective bar-shaped LED floodlight of one according to claim 1, it is characterized in that: the lower port of described back taper reflecting drum (3) is fixed on the center of aluminium base (16) upper surface, and described LED lamp bead (2) is positioned at the center of back taper reflecting drum (3) lower port.
4. the reflective bar-shaped LED floodlight of one according to claim 3, is characterized in that: described back taper reflecting drum (3) is aluminium alloy finish turning, and inwall is coated with reflective membrane.
5. the reflective bar-shaped LED floodlight of one according to claim 1, it is characterized in that: be respectively equipped with waterproof adhesive tape (15) in described two draw-in grooves (14), described waterproof adhesive tape (15) is arranged on the below that described glass plate (4) snaps in the part in described draw-in groove (14).
6. the reflective bar-shaped LED floodlight 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 floodlight of one according to claim 1, is characterized in that: described LED fixed head (13) lower surface is provided with several fin.
8. the reflective bar-shaped LED floodlight of one according to claim 1, it is characterized in that: described LED fixes lamp plate (13) and can slide up and down in lamp housing (1), and be fixed on after select location on the inwall of lamp housing (1) both sides.
9. the reflective bar-shaped LED floodlight of the one according to any one of claim 1 to 8, is characterized in that: the cone angle of described back taper reflecting drum (3) is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420843368.XU CN204254355U (en) | 2014-12-25 | 2014-12-25 | A kind of reflective bar-shaped LED floodlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420843368.XU CN204254355U (en) | 2014-12-25 | 2014-12-25 | A kind of reflective bar-shaped LED floodlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204254355U true CN204254355U (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420843368.XU Expired - Fee Related CN204254355U (en) | 2014-12-25 | 2014-12-25 | A kind of reflective bar-shaped LED floodlight |
Country Status (1)
| Country | Link |
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| CN (1) | CN204254355U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339629A (en) * | 2016-08-30 | 2017-11-10 | 广东酷柏光电股份有限公司 | A kind of LED of energy-conservation |
-
2014
- 2014-12-25 CN CN201420843368.XU patent/CN204254355U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339629A (en) * | 2016-08-30 | 2017-11-10 | 广东酷柏光电股份有限公司 | A kind of LED of energy-conservation |
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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 |
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| EXPY | Termination of patent right or utility model |