CN209147012U - A kind of LED fluorescence cover and LED light - Google Patents
A kind of LED fluorescence cover and LED light Download PDFInfo
- Publication number
- CN209147012U CN209147012U CN201821643715.9U CN201821643715U CN209147012U CN 209147012 U CN209147012 U CN 209147012U CN 201821643715 U CN201821643715 U CN 201821643715U CN 209147012 U CN209147012 U CN 209147012U
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- led
- lens body
- light
- lamp plate
- fluorescence cover
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Abstract
The utility model relates to LED lamp cover technical fields, specifically disclose a kind of LED fluorescence cover, the LED fluorescence cover includes the LED lamp bead being installed on lamp plate outer and lens body in semi-closed structure being covered at when installation and set on lens body edge and the paste section suitable for being fixedly connected with lamp plate, lens body is mixed by silica gel and fluorescent powder, it can expand LED light emitting angle, make to shine more uniform, also help heat dissipation, improves the service life of LED lamp bead.The invention also discloses a kind of LED light, the LED light includes lamp plate, several LED lamp beads being installed on lamp plate and above-mentioned LED fluorescence cover, LED lamp bead and lamp plate are electrically connected, LED fluorescence cover has the advantages that light emitting angle is big and light is uniform, good heat dissipation effect for covering at except LED lamp bead and being tightly connected with lamp plate.
Description
Technical field
The utility model relates to LED lamp cover technical fields, more particularly to a kind of LED fluorescence cover and LED light.
Background technique
LED (light emitting diode) because have energy conservation and environmental protection, securely and reliably, instantaneous starting, permanent service life many advantages, such as
And it is widely used in various occasions.The photometric distribution of common LED lamp bead is lambertian distribution in the market, light emitting angle it is smaller and
Brightness irregularities, intermediate brighter and periphery is than darker, and illumination effect is bad and light extraction efficiency is lower.In addition, existing LED lamp bead
Generating the common method of white light is the LED chip combined using blue light or blue light and feux rouges, collocation yellow fluorescent powder with it is transparent
Colloid mixing is made into the lens for being located at outside LED chip, to realize white light emission.But the illumination that LED chip issues
Heat can be generated when being mapped on yellow fluorescent powder, the existing lens containing fluorescent powder are directly to be located at outside LED chip, table
Area is smaller, and the heat of generation is easy aggregation, causes LED lamp bead temperature easily to increase, reduces the service life of LED lamp bead.
Summary of the invention
To solve the above-mentioned problems, the purpose of the utility model is to provide a kind of LED fluorescence covers, can expand LED hair
Angular keeps the light launched more uniform, and also helps heat dissipation, improves the service life of LED.
Based on this, the one aspect of the utility model provides a kind of LED fluorescence cover, including covers at installation when installation
In outside the LED lamp bead on lamp plate and in the lens body of semi-closed structure and set on the paste section at the edge of the lens body,
The paste section is suitable for being fixedly connected with lamp plate；The lens body is made by mixing by silica gel and fluorescent powder.
Preferably, the light-emitting surface at the top of the lens body is equipped with for changing the recess of light direction is matched.
Preferably, the shape of the lens body is hemispherical.
Preferably, the shape of the lens body is tapered or truncated cone shape.
Preferably, the shape main body of the lens is cup-shaped.
Preferably, the recess is arranged in back taper.
Preferably, the lens body is an integral molding structure with the paste section, the lens body and institute
Paste section is stated to be made by mixing by silica gel and fluorescent powder.
Preferably, the paste section is extended outwardly setting by the open edge of the lens body.
The other side of the utility model provides a kind of LED light, if including lamp plate, being installed on the lamp plate
Dry LED lamp bead and above-mentioned LED fluorescence cover, the LED lamp bead and the lamp plate are electrically connected, and the LED fluorescence cover is provide with
It is fixedly connected except the LED lamp bead and with the lamp plate.
Preferably, the hemispherical setting of the shape of the lens of the LED lamp bead.
Compared to the prior art, the utility model has the beneficial effects that:
A kind of LED fluorescence cover of the utility model, can using its lens arrangement by being located at outside LED lamp bead
Expand LED light emitting angle, keeps the light launched more uniform, thus the problems such as improving light extraction efficiency, avoiding the occurrence of dazzle.And
And by fluorescent powder being arranged on the LED fluorescence cover outside LED lamp bead, the illumination for being conducive to LED chip sending is mapped to fluorescence
The heat generated on powder distributes, and then avoids causing LED lamp bead temperature excessively high due to small range in LED lamp bead focuses because of heat,
The service life of LED lamp bead can be extended.
Detailed description of the invention
Fig. 1 is a kind of three-dimensional structure diagram of hemispherical LED fluorescence cover provided by the embodiment of the utility model；
Fig. 2 is the longitudinal sectional view when LED fluorescence cover of Fig. 1 is installed on lamp plate；
Fig. 3 is a kind of three-dimensional structure diagram for cupuliform LED fluorescence cover that another embodiment of the utility model provides；
Fig. 4 is the longitudinal sectional view when LED fluorescence cover of Fig. 3 is installed on lamp plate；
Fig. 5 is a kind of three-dimensional structure diagram for LED light that an embodiment of the present invention provides；
Fig. 6 is a kind of three-dimensional structure diagram for LED light that another embodiment of the utility model provides；
Fig. 7 is a kind of three-dimensional structure diagram for LED light that another embodiment of the utility model provides.
Wherein, 100, LED lamp cover；10, lens body；11, the first recess；12, the second recess；20, paste section；30,LED
Lamp bead；40, lamp plate.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
In the description of the present invention, it should be noted that term " first ", " second " are used for description purposes only, and
It cannot be understood as indicating or implying relative importance
Referring to Figure 1, it is schematically shown that a kind of LED fluorescence cover 100 of the utility model is suitable for application to LED light
On pearl, the LED fluorescence cover include in semi-closed structure lens body 10 and set on 10 edge of lens body be suitable for and lamp plate
The paste section 20 of connection, lens body 10 are made by mixing by silica gel and fluorescent powder.When installation, first LED lamp bead is installed on
On lamp plate, then lens body 10 is covered in outside LED lamp bead, while being pasted paste section 20 on lamp plate using glue, is made
Mirror main body 10 and lamp plate are bonded, and when in having in the environment of sealing performance requirement, then use sealant by paste section 20
It is sealingly fastened on lamp plate.In this way, the light that LED lamp bead issues, by shining under the refraction/reflection effect of lens body 10
Angle is extended, and the light of sending is more uniform, effectively increases the utilization rate of light energy.In the present embodiment, LED lamp bead is sent out
Blue light out, includes equally distributed yellow fluorescent powder in the constituent of lens body 10, on blue light illumination to yellow fluorescent powder,
Uniform white light can be issued from lens body 10.White light is generated in this way, since to be distributed across LED glimmering for fluorescent powder
On light shield, and the surface area of fluorescence cover is significantly larger than the lens (lens) of LED chip, thus blue light illumination is in yellow fluorescence
The heat generated on powder can be distributed quickly, to avoid that fluorescent powder is arranged and heat is caused to exist on the lens of LED chip
A small range aggregation, causes LED lamp bead temperature to be substantially increased, influences the service life of LED light.Certainly, in other embodiments,
Fluorescent powder on the lens of light and LED chip that LED chip issues is also possible to other colors, for example, LED chip issues purple
Outer light, the fluorescent powder on the lens of LED chip is three primary colors fluorescent powder, as long as both can achieve the effect that cooperation issues white light i.e.
Can, details are not described herein.
As preferred embodiment, referring to FIG. 1 to FIG. 4, the shape of lens body 10 is hemispherical, or is in cup
Shape, can also tapered or truncated cone shape, the lens body 10 of different shapes can be selected, according to actual product optical demands to adapt to
The application of different occasions.Preferably, lens body 10 shown in Figure 2, hemispherical, lens body 10 are located at LED light
It is installed on lamp plate 40 except pearl 30 and together, and the light-emitting surface at 10 top of lens body is equipped with for changing with light direction
First recess 11, the setting of the first recess 11 is so that the light that is issued of LED lamp bead 30 is reached by the refraction of the first recess 11
Expand the purpose of light emitting angle, to improve the utilization rate of the face to be illuminated uniformity and light energy, issues LED lamp bead 30 more evenly
Light.It is further preferred that lens body 10 shown in Figure 4, cup-shaped, lens body 10 be located at LED lamp bead 30 it
It is outer and be installed on lamp plate 40 together, and be equipped on the light-emitting surface at 10 top of lens body for changing matching the of light direction
Two recess 12, the second recess 12 are arranged in back taper, and similarly, the light that may make the LED lamp bead 30 to be issued passes through second
The refraction of recess 12, achievees the purpose that further expansion light emitting angle, to improve the utilization of the face to be illuminated uniformity and light energy
Rate makes the light of the sending of LED lamp bead 30 more evenly.
On the basis of above structure, lens body 10 is an integral molding structure with paste section 20, lens body 10 and viscous
Patch portion 20 is made by mixing by silica gel and fluorescent powder.Paste section 20 is extended outwardly by the open edge of lens body 10 to be set
It sets, is easy to use sealant to paste paste section 20 and lamp plate 40 together, realizes the fixation of lens body 10.
The utility model also provides a kind of LED light, including lamp plate 40, several LED lamp beads 30 being installed on lamp plate and
Above-mentioned LED fluorescence cover 100, LED lamp bead 30 and lamp plate are electrically connected, and LED fluorescence cover covers at except LED lamp bead 30 and and lamp
Plate is fixedly connected, and the illumination that LED lamp bead 30 issues is mapped on the fluorescent powder on LED fluorescence cover, and the two cooperatively forms white light, simultaneously
Since refraction/reflection of the LED lamp cover lens body to light acts on, expand light emitting angle, the light of sending is more uniform, has
Effect improves the utilization rate of light energy.
Specifically, as shown in figure 5, being a kind of strip-shaped LED lamp provided in this embodiment, which is strip, should
Several LED lamp beads are sequentially installed on strip lamp plate 40 along its length, and are covered with outside each LED lamp bead above-mentioned
LED fluorescence cover 100 in embodiment, to adapt to long and narrow installation space.
As shown in fig. 6, for another LED light provided by the embodiment of the utility model, which is circular ring shape, the annulus
Shape lamp plate 40 is circumferential to be equipped with several LED lamp beads, and above-mentioned LED fluorescence cover 100 is covered with outside each LED lamp bead.It is excellent
Selection of land, each LED lamp bead are circumferentially uniformly distributed, so that the light issued is more uniform.
As shown in fig. 7, be the third LED light provided by the embodiment of the utility model, the lamp plate 40 in the shape of a spiral, the spiral
Shape lamp plate 40 is equipped with several LED lamp beads along its center helix, and above-mentioned LED fluorescence is covered with outside each LED lamp bead
Cover 100, the light that may make LED light to issue is more uniform, concentrates.
As preferred embodiment, the hemispherical setting of the shape of the lens of LED lamp bead 30, in this way, LED light can be expanded
The light emitting angle of pearl 30 may make light-emitting line more evenly while expanding light-emitting area, the light so that further expansion shines
Irradiated area after the refraction/reflection effect that line passes through LED lamp cover, keeps light-emitting line more uniform, and then can further improve
The utilization rate of light energy.
In conclusion a kind of LED fluorescence cover of the utility model utilizes its lens by being located at outside LED lamp bead
Structure can expand LED light emitting angle, keep the light launched more uniform, to improve light extraction efficiency, avoid the occurrence of dazzle
The problems such as.Moreover, being conducive to the light of LED chip sending by fluorescent powder being arranged on the LED fluorescence cover outside LED lamp bead
It is irradiated to the heat generated on fluorescent powder to distribute, and then avoids leading to LED lamp bead due to small range in LED lamp bead focuses because of heat
Temperature is excessively high, can extend the service life of LED lamp bead.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change
It also should be regarded as the protection scope of the utility model into replacement.
Claims (10)
1. a kind of LED fluorescence cover, which is characterized in that including covering at when installation outside the LED lamp bead being installed on lamp plate and in half
The lens body of enclosed construction and set on the paste section at the edge of the lens body, the paste section, which is suitable for, and lamp plate is fixed connects
It connects；The lens body is made by mixing by silica gel and fluorescent powder.
2. LED fluorescence cover according to claim 1, which is characterized in that set on the light-emitting surface at the top of the lens body
Have for changing the recess of light direction is matched.
3. LED fluorescence cover according to claim 1, which is characterized in that the shape of the lens body is hemispherical.
4. LED fluorescence cover according to claim 1, which is characterized in that the shape of the lens body is tapered or cuts
Taper.
5. LED fluorescence cover according to claim 2, which is characterized in that the shape of the lens body is cup-shaped.
6. LED fluorescence cover according to claim 5, which is characterized in that the recess is arranged in back taper.
7. LED fluorescence cover according to any one of claim 1 to 6, which is characterized in that the lens body is glued with described
Patch portion is an integral molding structure, and the lens body and the paste section are made by mixing by silica gel and fluorescent powder.
8. LED fluorescence cover according to claim 7, which is characterized in that the paste section by the lens body opening
Edge extends outwardly setting.
9. a kind of LED light, which is characterized in that including lamp plate, several LED lamp beads being installed on the lamp plate and as right is wanted
1 to 8 described in any item LED fluorescence covers are sought, the LED lamp bead and the lamp plate are electrically connected, and the LED fluorescence cover covers at
It is fixedly connected except the LED lamp bead and with the lamp plate.
10. LED light according to claim 9, which is characterized in that the shape of the lens of the LED lamp bead is hemispherical to be set
It sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821643715.9U CN209147012U (en) | 2018-10-10 | 2018-10-10 | A kind of LED fluorescence cover and LED light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821643715.9U CN209147012U (en) | 2018-10-10 | 2018-10-10 | A kind of LED fluorescence cover and LED light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209147012U true CN209147012U (en) | 2019-07-23 |
Family
ID=67268923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821643715.9U Expired - Fee Related CN209147012U (en) | 2018-10-10 | 2018-10-10 | A kind of LED fluorescence cover and LED light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209147012U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282244A (en) * | 2018-10-10 | 2019-01-29 | 中山市木林森光电有限公司 | A kind of LED fluorescence cover, preparation method and LED light |
| CN110319368A (en) * | 2019-08-19 | 2019-10-11 | Tcl华瑞照明科技（惠州）有限公司 | LED light bar and backlight module |
-
2018
- 2018-10-10 CN CN201821643715.9U patent/CN209147012U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282244A (en) * | 2018-10-10 | 2019-01-29 | 中山市木林森光电有限公司 | A kind of LED fluorescence cover, preparation method and LED light |
| CN110319368A (en) * | 2019-08-19 | 2019-10-11 | Tcl华瑞照明科技（惠州）有限公司 | LED light bar and backlight module |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190723 Termination date: 20201010 |
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| CF01 | Termination of patent right due to non-payment of annual fee |