CN206875333U - A kind of color LED floodlight - Google Patents
A kind of color LED floodlight Download PDFInfo
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- CN206875333U CN206875333U CN201720513632.7U CN201720513632U CN206875333U CN 206875333 U CN206875333 U CN 206875333U CN 201720513632 U CN201720513632 U CN 201720513632U CN 206875333 U CN206875333 U CN 206875333U
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- cup
- color led
- color
- led lamp
- lamp bead
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Abstract
The utility model provides a kind of color LED floodlight, and color LED floodlight includes some optically focused groups, and optically focused group includes：Some LED lamp beads；Prefocus cup, its rim of a cup diameter are more than prefocus cup bottom of a cup diameter；LED lamp bead is fixedly connected on bottom of a cup；Fresnel Lenses, it is located at prefocus cup rim of a cup side.The available color of the utility model is more, can realize more a variety of color LED lamp bead even light mixings；Exiting surface is uniformly attractive in appearance, and gap is not present, optical efficiency lifting more than 30%；Optical system is simplified, the color blending effect of color LED light source is greatly improved；Diffusion barrier need to only be changed by changing rising angle, and easy for installation, cost is relatively low.
Description
Technical field
It the utility model is related to a kind of color LED floodlight.
Background technology
It is then behind lamp bead plus individual poly- typically with colored lamp bead for the optical system of present LED colorful project lamps
Optical lens group, the even light mixing of the lamp bead for realizing colour.This kind of device has the following disadvantages：Color is in an optically focused group
Color is optional in only 4, and illumination is low；There is gap between continuous optically focused group light-emitting area, exiting surface is uneven；And want to change
Angle must change collector lens, and assembling is cumbersome, and cost is high.
In the prior art, Chinese patent 201410529423.2 discloses a kind of LED light mixing devices, and it includes backboard, light
Diaphragm, LED light source and support column are learned, blooming piece is arranged on above backboard, and LED light source is arranged on backboard and into center pair
Claim figure distribution, support column is arranged between the backboard and blooming piece of LED light mixing devices and in centrosymmetric image
The heart, the support column have bottom, top and sidepiece, wherein, bottom is fixed on backboard, top braces blooming piece, lateral ring
One side is wound with, LED light source is respectively on the perpendicular bisector on support column side base.
Chinese patent 201010187221.6 discloses a kind of LED light mixing devices.Existing LED light mixing devices do not meet thin
Type trend, light emission rate are relatively low.A kind of LED light mixing devices of the present invention, including light emitting module, it is characterised in that also include leaded light
Plate, light emitting module include substrate, at least two monochromatic LED light sources are housed on substrate, light emitting module be arranged on light guide plate
Side, the light emission direction of LED light source form uniform indentation or reflection site on plate below light guide plate, led towards light guide plate
Diffusion barrier is set above tabula rasa above plate.
Chinese patent application 201610088264.6 discloses a kind of mixed light LED lamp, and for the cultivation of plant, it is wrapped
Include：LED, it is 5~7 that it, which has number ratio,:1~2:1:1 feux rouges, far-red light, blue light and green light LED lamp bead, per LEDs
The power of lamp bead is 1W；Lamp bracket, it has lamp socket and support frame, multiple LEDs is spaced on support frame；Wherein, LED
Spacing between pearl is 1.5~3cm；Wherein, green light LED lamp bead is evenly distributed on the outermost of LED lamp bead, and green glow
The quantity of LED lamp bead is no less than 3.
Chinese patent 201010289242.9 discloses a kind of three color optical mixing LED point light source devices, including housing and fixation
Microprismatic optical plate and LED circuit substrate in housing.Formation extends more along two different directions on microprismatic optical plate
Individual V-arrangement ridge, at least one light source group of arranging in circuit substrate, three kinds of different face can be launched by being provided with four in each light source group
The monochromatic LED spot light of color, the light of each LED point light source transmitting pass through microprismatic optical plate shape into four virtual light sources；Often
A preset distance is kept between four LED point light sources in individual light source group, two light source groups of arbitrary neighborhood share a LED point
Light source, virtual light source corresponding to adjacent LED point light source is set two pairs of overlapping virtual light sources to be present.
The defects of aforesaid way, is：Optional color is less；Exiting surface is uneven, and gap be present；Assemble it is cumbersome, into
This is higher.
Therefore, how to provide that a kind of optional color is more, and exiting surface is uniformly seamless, easy for installation, lower-cost coloured silk
Color LED projector lamp tool, which becomes industry, to be needed to solve the problems, such as.
The content of the invention
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of color LED floodlight, its optional face
Color is more, and exiting surface is uniformly seamless, easy for installation, and cost is relatively low.
To achieve these goals, the utility model provides a kind of color LED floodlight, color LED floodlight
Including some optically focused groups, optically focused group includes：
Some LED lamp beads；
Prefocus cup, prefocus cup rim of a cup diameter are more than prefocus cup bottom of a cup diameter；LED lamp bead is fixedly connected on bottom of a cup；
Fresnel Lenses, Fresnel Lenses are located at prefocus cup rim of a cup side.
In the utility model, LED lamp bead includes multiple color.
In the utility model, after prefocus cup, the angle of divergence of light can diminish the light that LED lamp bead is sent.
In the utility model, Fresnel Lenses can make exiting surface uniform, carry to the light that is collected through prefocus cup optically focused again
Specular removal.
The utility model can realize a variety of colorful light mixings, the uniform gapless of exiting surface, and even light mixing with a prefocus cup；
Change angle not having to change collector lens (prefocus cup)；Optical system is processed, is easy for installation, and cost is low.
According to another embodiment of the utility model, LED lamp bead is located inside prefocus cup, and is preferably close to optically focused
The position of cup bottom of a cup, can so ensure that the light that LED lamp bead is sent all is collected by prefocus cup, will not escape.
According to another embodiment of the utility model, Fresnel Lenses is located at outside prefocus cup.
According to another embodiment of the utility model, Fresnel Lenses is 10-50mm with rim of a cup distance, basic herein
Upper more preferably 30mm.
According to another embodiment of the utility model, LED lamp bead is arranged in array.
According to another embodiment of the utility model, LED lamp bead is arranged in a ring.
According to another embodiment of the utility model, color LED floodlight further comprises diffusion barrier, Fresnel
Lens are between prefocus cup and diffusion barrier；Light changes angle and spot size after diffusion barrier, and uniform mixed light can be achieved.
According to another embodiment of the utility model, some LED lamp beads are divided into different multiple groups of color；To realize
Colour mixture is uniform, and each group LED lamp bead is uniformly arranged by a certain percentage；Than former, optional color is more.
According to another embodiment of the utility model, the receipts angular of prefocus cup is 20 ° -30 °；Prefocus cup can be by coloured silk
120 ° of light that color LED light source is sent are convergent in the range of 20 ° -30 °.
According to another embodiment of the utility model, the focal length of Fresnel Lenses is 200-600mm, on this basis
More preferably 400mm；A diameter of 90~120mm of Fresnel Lenses, side thickness are 1.5~2.5mm.
Implementation principle of the present utility model is as follows：
1st, the light angle of divergence that LED lamp bead is sent is 120 °, is convergent on after prefocus cup in the range of 20 ° -30 °；
2nd, after light leaves prefocus cup, through Fresnel Lenses optically focused again, exiting surface is uniform, and light efficiency improves；
3rd, light passes through diffusion barrier again after passing through Fresnel Lenses, and optical angle changes, even light mixing.
Compared with prior art, the utility model possesses following beneficial effect：
1st, the available color of LED lamp bead is more, can realize more a variety of color LED lamp bead even light mixings.
2nd, exiting surface is uniformly attractive in appearance, and gap is not present；Optical efficiency lifting more than 30%.
3rd, optical system is simplified, the color blending effect of color LED light source is greatly improved.
4th, diffusion barrier need to only be changed by changing rising angle, and easy for installation, cost is relatively low.
The utility model is described in further detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the top view of the color LED floodlight of embodiment 1；
Fig. 2 is the A-A faces sectional view of the color LED floodlight of embodiment 1.
Embodiment
Embodiment 1
Present embodiments provide a kind of color LED floodlight, color LED floodlight includes 2 optically focused groups, as Fig. 1-
Shown in 2, each optically focused group includes LED lamp bead 1, prefocus cup 2, Fresnel Lenses 3 and diffusion barrier 4.
Wherein, LED lamp bead 1 is divided for different multiple groups of color, and is arranged in array；The light angle of divergence that LED lamp bead 1 is sent
For 120 °
The rim of a cup diameter of prefocus cup 2 is more than the bottom of a cup diameter of prefocus cup 2；LED lamp bead 1 is fixedly connected on bottom of a cup, and is located at optically focused
Inside cup 2；The receipts angular of prefocus cup 2 is 25 °.
Fresnel Lenses 3 is located at the rim of a cup side of prefocus cup 2, and outside prefocus cup 2；Fresnel Lenses 3 and rim of a cup away from
From for 30mm；The focal length of Fresnel Lenses 3 is 400mm, and a diameter of 100mm, side thickness is 2mm.
Diffusion barrier 4 can change rising angle；Fresnel Lenses 3 is between prefocus cup 2 and diffusion barrier 4.
Embodiment 2
The present embodiment and the difference of embodiment 1 are：LED lamp bead is arranged in a ring.
Although the utility model is disclosed above with preferred embodiment, the model of the utility model implementation is not limited to
Enclose.Any one of ordinary skill in the art, do not departing from invention scope of the present utility model, when a little improvement can be made,
I.e. every equal improvement done according to the utility model, should be the scope of the utility model and is covered.
Claims (10)
1. a kind of color LED floodlight, the color LED floodlight includes some optically focused groups, it is characterised in that described poly-
Light group includes：
Some LED lamp beads；
Prefocus cup, the prefocus cup rim of a cup diameter are more than the prefocus cup bottom of a cup diameter；The LED lamp bead is fixedly connected on described
Bottom of a cup；
Fresnel Lenses, the Fresnel Lenses are located at the prefocus cup rim of a cup side.
2. color LED floodlight as claimed in claim 1, it is characterised in that the LED lamp bead is located in the prefocus cup
Portion.
3. color LED floodlight as claimed in claim 1, it is characterised in that the Fresnel Lenses is located at the optically focused
Cup is outside.
4. color LED floodlight as claimed in claim 3, it is characterised in that the Fresnel Lenses and the rim of a cup away from
From for 10-50mm.
5. color LED floodlight as claimed in claim 2, it is characterised in that the LED lamp bead is arranged in array.
6. color LED floodlight as claimed in claim 2, it is characterised in that the LED lamp bead is arranged in a ring.
7. color LED floodlight as claimed in claim 1, it is characterised in that the color LED floodlight further wraps
Diffusion barrier is included, the Fresnel Lenses is between the prefocus cup and the diffusion barrier.
8. color LED floodlight as claimed in claim 2, it is characterised in that some LED lamp beads are divided into color difference
Multiple groups.
9. color LED floodlight as claimed in claim 1, it is characterised in that the receipts angular of the prefocus cup be 20 °-
30°。
10. color LED floodlight as claimed in claim 1, it is characterised in that the focal length of the Fresnel Lenses is 200-
600mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720513632.7U CN206875333U (en) | 2017-05-10 | 2017-05-10 | A kind of color LED floodlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720513632.7U CN206875333U (en) | 2017-05-10 | 2017-05-10 | A kind of color LED floodlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206875333U true CN206875333U (en) | 2018-01-12 |
Family
ID=61339547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720513632.7U Active CN206875333U (en) | 2017-05-10 | 2017-05-10 | A kind of color LED floodlight |
Country Status (1)
| Country | Link |
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| CN (1) | CN206875333U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108693193A (en) * | 2018-05-18 | 2018-10-23 | 信义节能玻璃（四川）有限公司 | Glass optical detection device and Glass optical detecting system |
-
2017
- 2017-05-10 CN CN201720513632.7U patent/CN206875333U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108693193A (en) * | 2018-05-18 | 2018-10-23 | 信义节能玻璃（四川）有限公司 | Glass optical detection device and Glass optical detecting system |
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