CN203517444U - Concave lens type wide-angle LED lamp - Google Patents
Concave lens type wide-angle LED lamp Download PDFInfo
- Publication number
- CN203517444U CN203517444U CN201320677021.8U CN201320677021U CN203517444U CN 203517444 U CN203517444 U CN 203517444U CN 201320677021 U CN201320677021 U CN 201320677021U CN 203517444 U CN203517444 U CN 203517444U
- Authority
- CN
- China
- Prior art keywords
- light
- light source
- led light
- reflecting
- concave lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
A concave lens type wide-angle LED lamp comprises a lamp cap, a bulb housing, an LED light source board, and an optical distributor. The LED light source board is disposed on the top of the lamp cap. The bulb housing is arranged at the top end of the lamp cap and accommodates the LED light source board. The optical distributor is disposed above the LED light source board and spaced to the LED light source board. The optical distributor comprises an emergent part and a reflecting part. The reflecting part is in a circular hollow housing structure and comprises a circular sidewall, an incident hole in the bottom of the circular sidewall, and an emergent hole in the top of the circular sidewall. The outer side of the circular sidewall serves as a reflecting face. The emergent part is in a concave lens structure. The main axis of the emergent part is approximately perpendicular to the LED light source board and right faces to the incident hole of the reflecting part. The reflecting face of the reflecting part is used for reflecting light from the LED light source board to the bottom of the bulb housing. The emergent part is used for diverging light, entering the incident hole, to the top and sidewall of the bulb housing. The concave lens type wide-angle LED lamp has the advantages of simple structure and evenness of light distribution.
Description
Technical field
The utility model relates to LED lighting field, particularly a kind of concave lens type big-angle LED lamp.
Background technology
In recent years, because the development of LED industry is rapid, LED lighting progressively replaces traditional lighting; Yet, if at present met the luminous often complex structure of wide-angle in LED lighting, and the distribution of light unusual inequality again.Want to make LED lamp can substitute traditional lighting, just must overcome that LED lighting angle is little, the problem of non-uniform light.Prior art is that LED light source is arranged on a three-dimensional bracket, and support is installed on to lamp holder top, and the light that LED light source sends is launched towards the direction of whole lamp surrounding.For example Granted publication day is on October 31st, 2012, and the Chinese utility model patent that the patent No. is 201220060615.X has disclosed a kind of high light efficiency large-angle LED bulb.This high light efficiency large-angle LED bulb comprises base shell, be positioned at this base shell bottom lamp holder, be installed on this base shell inside constant-current supply, be covered in this base shell top cover plate, be fixed on the diffuser that is cubical heat radiation column, accommodates this heat radiation column and be connected with this base shell of this cover plate top, wherein, the bottom surface of this heat radiation column is installed on this cover plate, its lap all posts pcb board, on every pcb board, distributes and is welded with several LED chips.Yet, because this high light efficiency large-angle LED bulb has been set up three-dimensional bracket, need to all post pcb board and weld LED chip on every pcb board in multiaspect, make this high light efficiency large-angle LED bulb structure complicated, assemble loaded down with trivial details.
Utility model content
In view of this, be necessary the concave lens type big-angle LED lamp that provides a kind of wide-angle luminous, simple in structure.
The utility model solves the technical scheme that its technical problem adopts: a kind of concave lens type big-angle LED lamp, comprise body, bulb housing, LED light source plate, luminous intensity distribution part, described LED light source plate is arranged on the end face of this body, this bulb housing is located at the top of this body and accommodates described LED light source plate, this luminous intensity distribution part is arranged on the top of described LED light source plate and forms interval with this LED light source plate, this luminous intensity distribution part comprises light out part and reflecting part, this reflecting part is ring-type hollow housing structure, this reflecting part comprises annular sidewall and is located at the light inlet and the light-emitting window of being located at this annular sidewall top of this annular sidewall bottom, the lateral wall of this annular sidewall is reflecting surface, this light out part is concavees lens structure, the main shaft of this light out part is roughly vertical with this LED light source plate, this light out part is over against the light inlet setting of this reflecting part, the reflecting surface of this reflecting part is the bottom reflection towards this bulb housing for light that this LED light source plate is sent, this light out part is for dispersing the light of injecting this light inlet towards top and the sidewall of this bulb housing.
Compared with prior art, this concave lens type big-angle LED lamp is by arranging luminous intensity distribution part, be arranged on light conducting cylinder top, the photoconduction that this light conducting cylinder sends these LED light sources is to this luminous intensity distribution part, this luminous intensity distribution part comprises light out part and reflecting part, part light is dispersed towards top and the sidewall of this concave lens type big-angle LED lamp bulb housing through the concavees lens of this light out part, part light is the bottom reflection towards this bulb housing through the reflecting surface of this reflecting part lateral wall, thereby illuminate this bulb housing, to realize whole lamp wide-angle luminous, and make whole lamp luminous evenly.Because this concave lens type big-angle LED lamp is without arranging three-dimensional bracket, also, without weld LED chip on multi-disc pcb board, just can realizes wide-angle luminous, thereby make this concave lens type big-angle LED lamp have advantages of that simple in structure, light is evenly distributed.
Accompanying drawing explanation
Fig. 1 is the three-dimensional exploded view of the utility model the first embodiment concave lens type big-angle LED lamp;
Fig. 2 is the cross-sectional schematic after the assembling of the big-angle LED lamp of concave lens type shown in Fig. 1;
Description of reference numerals:
100 concave lens type big-angle LED lamp 10 body 20 bulb housings
30 LED light source plate 40 luminous intensity distribution part 50 light conducting cylinders
31 LED light source 41 light out part 42 reflecting parts
403 annular sidewall 422 light inlet 423 light-emitting windows
401 concave surface 402 upper recess surface 43 joint pins
51 bottoms
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the utility model is described in further detail.
Fig. 1 is the three-dimensional exploded view of the utility model the first embodiment concave lens type big-angle LED lamp 100, this concave lens type big-angle LED lamp 100 comprises body 10, bulb housing 20, LED light source plate 30, luminous intensity distribution part 40 and light conducting cylinder 50, this LED light source plate 30 is arranged on the end face of this body 10, and this bulb housing 20 is located at the top of this body 10 and accommodates this LED light source plate 30.This bulb housing 20 was hemisphere bubble shell structure (as shown in Figure 2).
Please refer to Fig. 1, Fig. 2, this LED light source plate 30 is provided with a plurality of LED light sources 31, and these LED light sources 31 are circular arrangement around the center of these body 10 end faces.
Please refer to Fig. 1, Fig. 2, the bottom 51 of this light conducting cylinder 50 is fixed on the end face of this body 10, and this light conducting cylinder 50 arranges around the LED light source 31 on this LED light source plate 30, this light conducting cylinder 50 for photoconduction that these LED light sources 31 are sent to this luminous intensity distribution part 40.This light conducting cylinder 50 is straight-tube shape structure, and this luminous intensity distribution part 40 be positioned at this light conducting cylinder 50 directly over form intervals (as shown in Figure 2) with this light conducting cylinder 50.The inwall of this bottom 51 tilts towards the direction near described LED light source plate 30.The inwall of this light conducting cylinder 50 is provided with reflecting layer (not shown), for the top towards this light conducting cylinder 50 towards the direction reflection ray of this luminous intensity distribution part 40.A part of light that these LED light sources 31 send, through the interval between this light conducting cylinder 50 and this luminous intensity distribution part 40, shines directly into the sidewall of this bulb housing 20.
Please refer to Fig. 1, Fig. 2, this luminous intensity distribution part 40 be arranged on this LED light source plate 30 directly over and form intervals with this LED light source plate 30.This luminous intensity distribution part 40 comprises light out part 41 and reflecting part 42, joint pin 43, and the light out part 41 of this luminous intensity distribution part 40 and reflecting part 42 are fixed on this body 10 by this joint pin 43.Light out part 41 and the reflecting part 42 of this luminous intensity distribution part 40 are one-body molded.This reflecting part 42 is up big and down small reverse frustoconic structure.This reflecting part 42 is ring-type hollow housing structure, comprises annular sidewall 403 and is located at the light inlet 422 and the light-emitting window 423 of being located at these annular sidewall 403 tops of these annular sidewall 403 bottoms.This light out part 41 is biconcave lens, it comprises upper recess surface 402 and concave surface 401, area and this upper recess surface 402 that the area of this upper recess surface 402 is greater than this concave surface 401 are connected with light-emitting window 423 couplings of this reflecting part, and this concave surface 401 is connected with these light inlet 422 couplings.The lateral wall of this annular sidewall 403 is reflecting surface, and this reflecting surface is the bottom reflection towards this bulb housing 20 for light that this LED light source plate 30 is sent, to evenly illuminate the bottom of this bulb housing 20.This light out part 41 arranges over against the light inlet 422 of this reflecting part 42, the main shaft of this light out part 41 is roughly vertical with this LED light source plate 30, this light out part 41 is for dispersing the light of injecting this light inlet 422, to evenly illuminate top and the sidewall of this bulb housing 20 towards top and the sidewall of this bulb housing 20.
In sum, this concave lens type big-angle LED lamp 100 is by arranging luminous intensity distribution part 40, be arranged on light conducting cylinder 50 tops, the photoconduction that this light conducting cylinder 50 sends these LED light sources 31 is to this luminous intensity distribution part 40, this luminous intensity distribution part 40 comprises light out part 41 and reflecting part 42, part light is dispersed towards top and the sidewall of these concave lens type big-angle LED lamp 100 bulb housings 20 through the concavees lens structure of this light out part 41, part light is the bottom reflection towards this bulb housing 20 through the reflecting surface of these reflecting part 42 lateral walls, thereby illuminate this bulb housing 20, to realize whole lamp wide-angle luminous; In addition, a part of light shines directly into the sidewall of this bulb housing 20 after penetrating by the top of this light conducting cylinder 50, increased the brightness of these bulb housing 20 sidewalls, makes whole lamp luminous more even.Because this concave lens type big-angle LED lamp 100 is without three-dimensional bracket is set, also without weld LED chip on multi-disc pcb board, just can realize wide-angle luminous, thereby make the utility model concave lens type big-angle LED lamp 100 have advantages of that simple in structure, light is evenly distributed.The effect of this light conducting cylinder 50 is to make the angle of distribution of the light that this LED light source plate 30 sends to concentrate, through our experiment test, the distribution angle of the light sending from this light conducting cylinder 50 is 80 degree left and right, like this, these light irradiate this luminous intensity distribution part 40 with regard to concentrating, light out part 41 and reflecting plate 42 by this luminous intensity distribution part 40 carry out secondary light-distribution, evenly illuminate end face and the sidewall of this bulb housing 20, thereby it are luminous to realize wide-angle.In addition, this light out part 41 is biconcave lens structure, and its function is that the light that enters this light inlet 422 is further disperseed, and expands the scope of irradiating these bulb housing 20 bottoms, elimination is blocked by this reflecting part 42 and in the dark space of this bulb housing bottom formation, light is evenly distributed.This bulb housing 20 was hemisphere bubble shell structure, and this just makes when light is irradiated to the bottom of this bulb housing 20, and this bulb housing 20 can be towards the direction luminous intensity distribution of this body 10, thereby effectively increased the lighting angle of whole lamp.
Further, in preferred version, this luminous intensity distribution part 40 is provided with light transmission scattering material, and during work, the light that these LED light sources 31 send, through further scattering, is more evenly distributed the luminosity curve of this concave lens type big-angle LED lamp 100.This light out part 41 can be also the other forms of concavees lens such as single concavees lens.
These are only preferred embodiment of the present utility model above, and not in order to limit the utility model, any those skilled in the art are not within departing from this programme technical scope, and that utilize that the technology contents of above-mentioned exposure does a little change is the equal equivalent embodiment changing.In every case depart from technical solutions of the utility model content, according to the utility model technical spirit to any modification made for any of the above embodiments, be equal to replacements, improvement etc., within all should being included in the scope that the utility model protects.
Claims (9)
1. a concave lens type big-angle LED lamp, comprise body, bulb housing, LED light source plate, luminous intensity distribution part, described LED light source plate is arranged on the end face of this body, this bulb housing is located at the top of this body and accommodates described LED light source plate, it is characterized in that: this luminous intensity distribution part is arranged on the top of this LED light source plate and forms interval with this LED light source plate, this luminous intensity distribution part comprises light out part and reflecting part, this reflecting part is ring-type hollow housing structure, this reflecting part comprises annular sidewall and is located at the light inlet and the light-emitting window of being located at this annular sidewall top of this annular sidewall bottom, the lateral wall of this annular sidewall is reflecting surface, this light out part is concavees lens structure, the main shaft of this light out part is roughly vertical with this LED light source plate, this light out part is over against the light inlet setting of this reflecting part, the reflecting surface of this reflecting part is the bottom reflection towards this bulb housing for light that this LED light source plate is sent, this light out part is for dispersing the light of injecting this light inlet towards top and the sidewall of this bulb housing.
2. concave lens type big-angle LED lamp according to claim 1, it is characterized in that: also comprise light conducting cylinder, the inwall of this light conducting cylinder is provided with reflecting layer, this light conducting cylinder is around the LED light source setting on described LED light source plate, the photoconduction that this light conducting cylinder is used for this LED light source to send is to this luminous intensity distribution part, and this luminous intensity distribution part and this light conducting cylinder form interval.
3. concave lens type big-angle LED lamp according to claim 2, is characterized in that: the bottom of this light conducting cylinder is fixed on the end face of this body, and the inwall of this bottom tilts towards the direction near described LED light source plate.
4. concave lens type big-angle LED lamp according to claim 2, is characterized in that: described LED light source plate is provided with a plurality of LED light sources, and described LED light source is circular arrangement around the center of this body end face.
5. concave lens type big-angle LED lamp according to claim 1, is characterized in that: light out part and the reflecting part of this luminous intensity distribution part are one-body molded.
6. concave lens type big-angle LED lamp according to claim 1, is characterized in that: this light out part is biconcave lens, and it comprises upper recess surface and concave surface, and this concave surface is connected with this light inlet coupling.
7. concave lens type big-angle LED lamp according to claim 6, is characterized in that: area and this upper recess surface that the area of this upper recess surface is greater than this concave surface are connected with the light-emitting window coupling of this reflecting part.
8. concave lens type big-angle LED lamp according to claim 1, is characterized in that: this reflecting part is up big and down small reverse frustoconic structure.
9. concave lens type big-angle LED lamp according to claim 1, is characterized in that: also comprise joint pin, this luminous intensity distribution part is fixed on this body by this joint pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320677021.8U CN203517444U (en) | 2013-10-30 | 2013-10-30 | Concave lens type wide-angle LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320677021.8U CN203517444U (en) | 2013-10-30 | 2013-10-30 | Concave lens type wide-angle LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203517444U true CN203517444U (en) | 2014-04-02 |
Family
ID=50376374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320677021.8U Withdrawn - After Issue CN203517444U (en) | 2013-10-30 | 2013-10-30 | Concave lens type wide-angle LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203517444U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542303A (en) * | 2013-10-30 | 2014-01-29 | 立达信绿色照明股份有限公司 | Concave lens type large-angle light-emitting diode (LED) lamp |
| CN106151927A (en) * | 2015-04-09 | 2016-11-23 | 五邑大学 | A kind of 360 degree of uniform light distribution optics for all-round smooth LEDbulb lamp |
-
2013
- 2013-10-30 CN CN201320677021.8U patent/CN203517444U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542303A (en) * | 2013-10-30 | 2014-01-29 | 立达信绿色照明股份有限公司 | Concave lens type large-angle light-emitting diode (LED) lamp |
| CN103542303B (en) * | 2013-10-30 | 2016-03-23 | 立达信绿色照明股份有限公司 | Concave lens type big-angle LED lamp |
| CN106151927A (en) * | 2015-04-09 | 2016-11-23 | 五邑大学 | A kind of 360 degree of uniform light distribution optics for all-round smooth LEDbulb lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI512237B (en) | Lighting system | |
| US5865529A (en) | Light emitting diode lamp having a spherical radiating pattern | |
| US20140177235A1 (en) | Optical lens and lighting device having the same | |
| CN104075250A (en) | Light distribution structure and LED lamp thereof | |
| CN108332116A (en) | Integral type matches optical assembly, light source module group and lighting device | |
| CN202791443U (en) | Light reflection assembly and light-emitting diode (LED) lamp provided with the same | |
| CN203892932U (en) | Full-peripheral-light LED bulb lamp | |
| CN103353071A (en) | LED lamp emitting light in large angle | |
| CN203517444U (en) | Concave lens type wide-angle LED lamp | |
| CN204026514U (en) | All-round smooth LED | |
| CN203940357U (en) | Collector lens group and light fixture | |
| CN204083872U (en) | A kind of improvement mechanism of LED spotlight | |
| CN103542303B (en) | Concave lens type big-angle LED lamp | |
| CN102980075B (en) | LED (Light-emitting Diode) large-angle light distribution device and LED bulb | |
| CN105674158A (en) | Led down lamp | |
| CN203477957U (en) | Led lamp | |
| CN103470977A (en) | Light-emitting diode (LED) lamp | |
| CN103423672A (en) | Large-angle LED (light emitting diode) bulb lamp | |
| CN205826896U (en) | A kind of lens for LED liquid crystal television back lighting lamp bead | |
| CN203478012U (en) | Wide angle LED bulb | |
| CN203517407U (en) | Led lamp | |
| CN103574359B (en) | Led | |
| CN203517365U (en) | Scattering LED bulb lamp | |
| CN103912804A (en) | Large angle light emitting diode (LED) lamp | |
| CN203202700U (en) | Large-angle light-emitting LED lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140402 Effective date of abandoning: 20160323 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |