CN201803312U - Light distribution lens for LED multi-core light source street lamp - Google Patents
Light distribution lens for LED multi-core light source street lamp Download PDFInfo
- Publication number
- CN201803312U CN201803312U CN2010205533692U CN201020553369U CN201803312U CN 201803312 U CN201803312 U CN 201803312U CN 2010205533692 U CN2010205533692 U CN 2010205533692U CN 201020553369 U CN201020553369 U CN 201020553369U CN 201803312 U CN201803312 U CN 201803312U
- Authority
- CN
- China
- Prior art keywords
- lens
- light
- light source
- utility
- led
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
Abstract
The utility model discloses a light distribution lens for LED multi-core light source street lamp so disposed that the lens is made of PMMA and substantially conform to a trumpet-shaped cup body in a structure such that the lens comprises a plane of light incidence and a plane of emitting light, the outer wall of the cup body is electroplated with a layer of aluminium and is internally embedded with an optical prism for changing a light beam pathway. The lens herein is mainly designed for Lambertian plane multi-core LED light source, and has the advantages of high efficiency and low cost. The lens of the utility model are symmetrically mounted in engagement with light source, and finds especial application to lighting and light distribution of road, square, workshop, and storehouse. The lens of the utility model is characterized by high luminous efficiency, low cost, and efficient effect, thus expanding originality for the application of LED green illumination.
Description
Technical field
The utility model relates to the light utilization on the LED lamp, specifically is a kind of light-distribution lens of the LED of being used for multicore light source road lamp.
Background technology
Since great power LED comes out, progress along with chip fabrication techniques, the light efficiency of high-power LED light source has had qualitative leap, rise to the 120lm/W of today from the 30lm/W at initial stage, this tremendous technological progress has injected the vigor of alternative conventional high-tension sodium vapor lamp for the application of great power LED in lighting field.So numerous and confused appearances of various high-power LED street lamp products, press the package feature classification of light source, can be divided into two classes, the array of source that has single 1 watt of LED of employing to encapsulate synthesizes light fixture, there is the combination of light sources that adopts many 1 watt of integrated encapsulation of LED to become light fixture, the former can be considered the LED street lamp of spot light type, and the latter then is the LED street lamp of area source type.According to " city illumination design standard " requirement to light fixture light distribution and uniformity of illuminance, two class high-power LED street lamps all need be made secondary light-distribution just can reach requirement.Yet, the LED unit chip that two class light fixtures are adopted is a kind of lambert's type light source, its light distribution is spherical, LED street lamp for the spot light type: make because light source is single 1 watt of LED encapsulation, the exiting surface I of light source is considered as a light, the heat radiation of exiting surface is also little, and therefore available lens design its moulding by optics luminous intensity distribution software and well realize secondary light-distribution.For the LED street lamp of area source type, situation is just different.At first: its light source is with the integrated encapsulation of plurality of LEDs, and exiting surface is big (usually all at 5cm
2More than) can not be considered as spot light.Next is that the heat that gives off of surface of light source is big, near the exiting surface dead ahead, can not place the printing opacity shelter.Therefore this class light fixture past adopts the mode of " reflector " to realize luminous intensity distribution in the luminous intensity distribution design usually, and light distribution effect does not reach " standard " requirement.
The utility model content
At the problems referred to above, the utility model aims to provide a kind of light-distribution lens that can solve luminous intensity distribution problem on the multicore combination of light sources light fixture.
For realizing this technical purpose, scheme of the present utility model is: a kind of light-distribution lens of the LED of being used for multicore light source road lamp, these lens are the horn-like cup of lucite material, include incidence surface and exiting surface, the outer wall of this cup is electroplate with the layer of aluminum film, is inlaid with the optical prism that is used to change beam path in the cup.
As further improvement, the incidence surface of described lens is a spherical structure.
As further improvement, have the position, hole on the exiting surface of described lens.
As further improvement, described lens also are provided with the fixed support that matches, and the edge, lower end of this support is provided with the opening that is used for the outlet of light source terminal pin.
This case lens are light-distribution lens of a high-efficiency and low-cost that designs at lambert's type plane multicore led light source, these lens cooperate light source to do symmetry distribution installation, be particularly suitable for the illuminating light distribution of road, square, workshop, storehouse, be a light efficiency height, low, the effective optics light-distribution lens of cost, for the application extension of LED green illumination the intention space.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, does not constitute to improper qualification of the present utility model, in the accompanying drawings:
Fig. 1 is the three-dimensional structure diagram of lens of the present utility model and base.
Fig. 2 is the side view of lens of the present utility model.
The specific embodiment
Describe the utility model in detail below in conjunction with accompanying drawing and specific embodiment, be used for explaining the utility model in this illustrative examples of the present utility model and explanation, but not as to qualification of the present utility model.
As shown in Figure 1, 2, a kind of light-distribution lens that is used for LED multicore light source road lamp of the present utility model, these lens are the horn-like cup 1 of lucite material, include incidence surface and exiting surface, the outer wall of this cup is electroplate with layer of aluminum film 2, is inlaid with the optical prism 3 that is used to change beam path in the cup.The incidence surface of stating lens is a spherical structure, has the position, hole on the exiting surface.
Described lens also are provided with the fixed support 4 that matches, and the edge, lower end of this support is provided with the opening 5 that is used for the outlet of light source terminal pin.
The lens of this structure pass through casting forming of mould with lucite, the lens outer wall is electroplated the layer of aluminum film and is constituted " metal reflective cup ", " optical prism " of inlaying multiple moulding in the cup is used to change beam path, thereby reaches " city illumination design standard " light distribution requirements to light fixture light distribution and uniformity of illuminance.
In the most preferred embodiment of the present utility model, lens pass through casting forming of mould with lucite (PMM), the lens outer wall is electroplated the layer of aluminum film and is constituted " metal reflective cup ", " optical prism " of inlaying multiple moulding in the cup is used to change beam path, thereby reaches " city illumination design standard " light distribution requirements to light fixture light distribution and uniformity of illuminance.This case lens are one " reflector " and " optical prism " group's organic combination in fact, its integrated application the advantage of this two classes light distributing system, thereby the structure and the light distribution effect of lens have been optimized, reduced the luminous intensity distribution cost of light fixture, the lens sidewall is become a reflector: plating layer of aluminum film on the lens sidewall, the lens sidewall has just become one " reflector ", can effectively receive the light beam that part is scattered in outside the road lighting district in the district, thereby make the brightness in road lighting district and the light emission rate of average brightness value and lens that bigger lifting arranged, also reduced the cost of manufacture of lens simultaneously.
Lens incidence surface is an efficient incidence surface: lens are as the carrier of light source luminous intensity distribution, incidence surface is first face of light contact lens, when light arrives differential bin on this face, according to the different values of incident ray with the bin normal angle, light might reflect, reflection, three kinds of phenomenons of total reflection, preceding two kinds of phenomenons also are stored in the face that the touches process of a branch of light, if the curvature branch of incidence surface is reasonable, just can realize just entering lens when a large amount of light contact bin first in the mode that reflects, a small amount of light is through repeatedly finally entering lens behind the reflection process, and the relation of handling well between incidence surface and the planar light source face is most important.A large amount of simulated experiments by optics emulation luminous intensity distribution software (trapro) find, have only when incidence surface be the sphere branch and the sphere center of circle when being positioned at light source exiting surface center, the light that passes incidence surface is maximum, the curved surface of other modes all will cause bigger light loss.Therefore the incidence surface of the lens in the most preferred embodiment of the present utility model is designed to sphere.
Open the innovative design in a skylight on the lens exiting surface: LED multicore light source is a kind of planar light source, it is packaged into an illuminator by many high-power LED chips are integrated, light intensity is comparatively concentrated, exiting surface is bigger to extraradial heat, adopting lens to solve luminous intensity distribution need consider how to derive the radiations heat energy of light source luminescent face in design and reduce the light loss two large problems that lens bring, most preferred embodiment is opened a skylight in the appropriate position of lens exiting surface method for designing has solved above two problems effectively, reduce lens volume and materials, also fundamentally eliminated the possibility that radiations heat energy can cause lens and light source to damage simultaneously.
More than technical scheme that the utility model embodiment is provided be described in detail, used specific case herein principle and the embodiment of the utility model embodiment are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand the utility model embodiment; Simultaneously, for one of ordinary skill in the art, according to the utility model embodiment, the part that on the specific embodiment and range of application, all can change, in sum, this description should not be construed as restriction of the present utility model.
Claims (4)
1. light-distribution lens that is used for LED multicore light source road lamp is characterized in that:
Described these lens are the horn-like cup of lucite material, include incidence surface and exiting surface, and the outer wall of cup is electroplate with the layer of aluminum film, are inlaid with the optical prism that is used to change beam path in the cup.
2. light-distribution lens according to claim 1 is characterized in that:
The incidence surface of described lens is a spherical structure.
3. light-distribution lens according to claim 2 is characterized in that:
Have the position, hole on the exiting surface of described lens.
4. according to each described light-distribution lens in the claim 1 to 3, it is characterized in that:
Described lens also are provided with the fixed support that matches, and edge, described support bracket fastened lower end is provided with the opening that is used for the outlet of light source terminal pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205533692U CN201803312U (en) | 2010-09-30 | 2010-09-30 | Light distribution lens for LED multi-core light source street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205533692U CN201803312U (en) | 2010-09-30 | 2010-09-30 | Light distribution lens for LED multi-core light source street lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201803312U true CN201803312U (en) | 2011-04-20 |
Family
ID=43872811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205533692U Expired - Lifetime CN201803312U (en) | 2010-09-30 | 2010-09-30 | Light distribution lens for LED multi-core light source street lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201803312U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444859A (en) * | 2010-09-30 | 2012-05-09 | 无锡华兆泓光电科技有限公司 | Light distribution lens for LED (light emitting diode) multi-core light source street lamp |
-
2010
- 2010-09-30 CN CN2010205533692U patent/CN201803312U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444859A (en) * | 2010-09-30 | 2012-05-09 | 无锡华兆泓光电科技有限公司 | Light distribution lens for LED (light emitting diode) multi-core light source street lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104676489A (en) | Landscape illumination lamp reflector and landscape illumination lamp | |
| TWI469383B (en) | A light emitting device and a manufacturing method thereof | |
| CN101545609B (en) | Multi-surface reflector for LED street lamp | |
| CN201141532Y (en) | LED road lamp | |
| CN202852547U (en) | Full lighting-angles LED (light-emitting diode) bulb lamp | |
| CN201589133U (en) | LED lift car illumination device | |
| CN202993060U (en) | LED (light-emitting diode) lens for high beam illumination of vehicle | |
| CN201803312U (en) | Light distribution lens for LED multi-core light source street lamp | |
| CN101718412A (en) | LED outdoor lamps as well as LED street lamp, LED square lamp, LED garden lamp and LED tunnel lamp | |
| CN201475729U (en) | LED light source effect increasing device | |
| CN102444859A (en) | Light distribution lens for LED (light emitting diode) multi-core light source street lamp | |
| CN203068342U (en) | Optical structure of LED (light emitting diode) wall washing lamp of which light is distributed by light reflecting cup | |
| CN101858507A (en) | Universal LED transmission illuminating lamp | |
| CN201555145U (en) | Equal-brightness light-distribution lens of LED streetlamp and combination body thereof | |
| CN201819084U (en) | Universal light-emitting diode (LED) projecting illuminating lamp | |
| CN201892118U (en) | Double-module wide angle light-emitting diode (LED) street lamp | |
| CN101109493A (en) | Grille type LED road lamp reflector | |
| CN202598385U (en) | Small-caliber LED (Light Emitting Diode) scale reflecting cup with small light emergent angle | |
| CN203517642U (en) | Large-angle LED (light-emitting diode) bulb lamp | |
| CN202101153U (en) | Light-reflecting cup of multi-layer step type tunnel lamp | |
| JP5676822B2 (en) | Street lamp lighting device | |
| CN202633295U (en) | LED support, LED area light source and LED lamp | |
| CN101943376B (en) | LED packaging structure for eliminating glare | |
| CN202024123U (en) | LED lamp tube for indoor illumination | |
| CN217464114U (en) | High light efficiency and high illumination LED lamp tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Light distribution lens for LED (light emitting diode) multi-core light source street lamp Effective date of registration: 20111122 Granted publication date: 20110420 Pledgee: Agricultural Bank of China Limited by Share Ltd Wuxi science and Technology Branch Pledgor: Wuxi Huazhaohong Optoelectronic Technology Co., Ltd. Registration number: 2011990000446 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20121031 Granted publication date: 20110420 Pledgee: Agricultural Bank of China Limited by Share Ltd Wuxi science and Technology Branch Pledgor: Wuxi Huazhaohong Optoelectronic Technology Co., Ltd. Registration number: 2011990000446 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Light distribution lens for LED (light emitting diode) multi-core light source street lamp Effective date of registration: 20121031 Granted publication date: 20110420 Pledgee: Agricultural Bank of China Limited by Share Ltd Wuxi science and Technology Branch Pledgor: Wuxi Huazhaohong Optoelectronic Technology Co., Ltd. Registration number: 2012990000663 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20151103 Granted publication date: 20110420 Pledgee: Agricultural Bank of China Limited by Share Ltd Wuxi science and Technology Branch Pledgor: Wuxi Huazhaohong Optoelectronic Technology Co., Ltd. Registration number: 2012990000663 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Light distribution lens for LED (light emitting diode) multi-core light source street lamp Effective date of registration: 20151106 Granted publication date: 20110420 Pledgee: Agricultural Bank of China Limited by Share Ltd Wuxi science and Technology Branch Pledgor: Wuxi Huazhaohong Optoelectronic Technology Co., Ltd. Registration number: 2015990000989 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110420 |