CN102980744B - Method for measuring light distribution curve of optical catheter lighting system - Google Patents
Method for measuring light distribution curve of optical catheter lighting system Download PDFInfo
- Publication number
- CN102980744B CN102980744B CN201210454502.2A CN201210454502A CN102980744B CN 102980744 B CN102980744 B CN 102980744B CN 201210454502 A CN201210454502 A CN 201210454502A CN 102980744 B CN102980744 B CN 102980744B
- Authority
- CN
- China
- Prior art keywords
- light
- lighting system
- distribution curve
- light distribution
- optical catheter
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000003287 optical effect Effects 0.000 title abstract description 13
- 238000012360 testing method Methods 0.000 claims abstract description 46
- 230000004907 flux Effects 0.000 claims description 26
- 240000005528 Arctium lappa Species 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 4
- 239000004744 fabric Substances 0.000 abstract 1
- 238000005286 illumination Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
Abstract
The invention discloses a method for measuring a light distribution curve of an optical catheter lighting system. The method for measuring the light distribution curve of the optical catheter lighting system includes the following steps that: 1 the optical catheter lighting system is placed in a cuboid type light guide testing system which is defined by light-tight black shading cloth in a surrounding mode, and a testing plane is selected; 2 grids are set in the testing plane, and illuminance values of nodes of the grids are measured through a luminometer, wherein the distance between each two adjacent points of the grids is 0.1-0.5 meter; and 3 the illuminance value of each point is converted into a light intensity value, after the light intensity values of all the points are obtained, the light intensity values can be made into a light distribution file and the light distribution curve, and full description of light distribution of the optical catheter lighting system is obtained. The method for measuring the light distribution curve of the optical catheter lighting system aims at actual application conditions of the optical catheter lighting system, the method of combination of illuminance testing and data processing is adopted, and the light distribution curve of the optical catheter lighting system is obtained. The method for measuring the light distribution curve of the optical catheter lighting system is simple to operate and reliable in data. The obtained light distribution curve is reasonable in shape, can be simply led into a lamp database, and therefore is applied into lighting design.
Description
Technical field
The present invention relates to a kind of lighting technical field, more particularly, relate to the measurement of distribution curve flux in light conduit lighting system.
Background technology
Light conduit lighting system is a kind of novel lighting device, and this system utilizes outdoor natural light to lead through dome skylight and redistributes into internal system, after the transmission of photoconductive tube by the diffusing globe of system bottom by natural light uniform irradiation to the interior space.Light conduit lighting system utilizes natural light completely, does not need other any energy support, its energy-saving and environmental protection, unregulated power consumption, uniform light, soft, free from glare, pollution-free.Under the trend of energy situation growing tension, light conduit lighting system is undoubtedly the optimal selection in illumination place, along with the development of light guide techniques, believes that light conduit lighting system will be widely used in future.
Just at the early-stage in the application of China's light pipe, its research is also in the junior stage.Light conduit lighting system can not be luminous due to itself, only play a role as biography optical device, be not suitable for traditional distributed luminosity device measuring distribution curve flux, traditional distributed photometer measuring method needs the center being fixed on instrument strict for light fixture, just result can be obtained after a few hours, and distribution curve flux is one of important indicator of light fixture, it represents light intensity spatial characteristics, to the user of service of light fixture, when evaluating light fixture performance and result of use, except the optical quality by directly observation light fixture projection, the most important distribution curve flux will seeing light fixture exactly, can not rant out, the distribution curve flux of light fixture is exactly the lifeline of light fixture.
Summary of the invention
The present invention is directed to the practical situations of light conduit lighting system, adopt illumination test in conjunction with the method for data processing, obtain the distribution curve flux of light conduit lighting system.The inventive method is simple to operate, and data are reliable.The distribution curve flux shape obtained is reasonable, and can import lamp data storehouse simply, thus is applied in Lighting Design.
In order to achieve the above object, the invention provides a kind of method measuring light conduit lighting system distribution curve flux, comprise the steps:
S1, light conduit lighting system to be positioned in the cubic type light guide test system that surrounded by light tight black gobo, and to select test plane;
Selective rule is: set the diffusing globe center vertical line of photoconductive tube and diffusing globe center to the angle of described test horizontal edge point line as β, then within the scope of 30 °≤β≤90 °, selected level face is described test plane;
Setting grid in S2, described test plane, with the brightness value of illuminometer test grid intersection point; The spacing that wherein said grid is adjacent 2 is 0.1 ~ 0.5m;
S3, use formula I=Er
2/ cos θ converts the brightness value of every bit to light intensity value;
Wherein, I is certain some light intensity value, E for certain puts brightness value, r be light conduit lighting system light source center and illuminometer probe spacing from, θ is the angle of probing light direction and light conduit lighting system light source normal direction;
Thus obtain the light distribution becoming θ angle with diffusing globe plane normal direction, draw out distribution curve flux.Can derive for the electronic document format set up needed for lamp locker is the luminous intensity distribution distribution file of IES simultaneously, thus obtains and join photodistributed complete description to light conduit lighting system.
The present invention is a kind of simple to operate, and energy science solves a kind of new method of complicated illuminator light distribution.Compared with traditional distributed photometer measuring method, method of operating is simple, and data are reliable, and the distribution curve flux shape obtained is reasonable, and can import very simply in lamp data storehouse, thus is applied in Lighting Design.The method is well suited for the measurement of light conduit lighting system distribution curve flux, not only be suitable for caliber 330mm light conduit lighting system, also be applicable to the light conduit lighting system of other caliber, certain caliber light conduit lighting system is installed in test macro, select suitable test plane, measure often some brightness value, thus release the distribution curve flux of light conduit lighting system, in Lighting Design, better apply light conduit lighting system, obtain better visual effect.Along with further developing of optical illumination technology, its application potential will be more obvious.
The energy that China's annual electric consumption on lighting consumption is a large amount of, a large amount of Electricity Investments, not only pins down the national economic development but also there is severe contamination problem.And be badly in need of a kind of green illumination energy at present and solve pollution problem, light conduit lighting system is optimal selection undoubtedly, so China is in order to reach world lead level, still needs continuous effort, carries out technical renovation.Along with the development in China city and the raising of people's environment protection health consciousness, believe that light conduit lighting system can have better development prospect at home.
Accompanying drawing explanation
Fig. 1 is the floor map that the present invention measures test philosophy in light conduit lighting system.
Fig. 2 is the form schematic diagram of test plane.
Fig. 3 is structure and the schematic diagram of light pipe illuminator.
Fig. 4 is the principle schematic perspective view of light guide test system of the present invention.
Fig. 5 is the schematic diagram on photoconductive tube diffusing globe projecting plane.
Fig. 6 is the floor map that the present invention measures a kind of embodiment of test philosophy in light conduit lighting system.
Fig. 7 is a kind of test result schematic diagram of embodiment mid point illumination.
Fig. 8 is the distribution curve flux distribution plan of light conduit lighting system in a kind of embodiment.
Fig. 9 is test planar illumination distribution stereographic map.
Embodiment
The present invention. the step measuring light conduit lighting system distribution curve flux is as follows:
A, build light guide test system.The scope of the scope of the length (x) of test macro, wide (y), high (z) dimensional requirement: x to be the scope of 1-10m, y be 1-10m, z is 1-5m.
B, selection test plane.After having built light guide test system, select test plane within it, make 30 °≤β≤90 °, β is that diffusing globe center vertical line and diffusing globe center are to the angle testing horizontal edge point line.As shown in Figure 1,
C, gridding.Gridding in test plane, it is better that distance between two points gets 0.1m ~ 0.5m, as shown below, tests the brightness value of form intersection point with Konica Minolta colourity illuminometer CL-200A.
D. data processing.The distribution curve flux of light fixture is the space distribution of light intensity, and what measure at present is brightness value, i.e. light fixture Illumination Distribution on a certain plane, so use formula I=Er
2/ cos θ converts a brightness value to light intensity value, thus obtains the light distribution becoming θ angle with diffusing globe plane normal direction, and then can derive the luminous intensity distribution distribution file that electronic document format is IES, obtains and joins photodistributed complete description to light conduit lighting system.Wherein I: certain some light intensity value, E: certain some brightness value, r: light source center and illuminometer probe spacing are from, θ: the angle of probing light direction and light source normal direction.
Preferred embodiment:
The present invention carries out the testing research of distribution curve flux to the caliber 330mm light conduit lighting system that Beijing Dongfang Fengguang New Energy Technology Co., Ltd. produces.As shown in Figure 3, system is primarily of dome skylight 1, light pipe 2, diffusing globe 3 three part composition.
1 test macro
Build light guide test system in laboratory, light guide test system: steelframe, surrounding is surrounded by lighttight black gobo, directly over photoconductive tube is arranged on, as shown in Figure 4.In the light pipe of test, diffusing globe is made up of Fresnel Lenses, and Fig. 5 is the schematic diagram that in Fig. 4, A point looks up diffusing globe.Fresnel Lenses has the effect changing optical propagation direction, is all have very high performance in light transmission or scattered light characteristic, is therefore also used in diffusing globe.
2 test processs and result
The present invention mainly tests its Light distribation, namely by measuring illumination, draws distribution curve flux through data processing.As shown in Figure 6, when choosing test plane, must 30 °≤β≤90 ° be ensured, the distribution curve flux better effects if measured, more accurately.Choose the surface level that test plane is distance light-emitting window 550mm, in test plane, draw 7 × 7 forms according to test plane sizes, test the brightness value of form intersection point with Konica Minolta colourity illuminometer CL-200A.Result such as Fig. 7 shows.
3 data processings and result
The distribution curve flux of light fixture is the space distribution of light intensity, and what measure at present is brightness value, i.e. light fixture Illumination Distribution on a certain plane, meets following relation therebetween:
I＝E·r
2/cosθ (1)
Using formula (1), carries out data processing, thus obtains the distribution curve flux of this light conduit lighting system, as shown in Figure 8.Fig. 9 be by with test point position for horizontal coordinate, illumination size be Z coordinate draw Illumination Distribution stereographic map.
From the distribution curve flux obtained, the distribution curve flux of this light conduit lighting system is the distribution curve flux of lambert's type, similar grating fluorescent lamp substantially.Illumination in hot spot reduces from center gradually to edge, and the central light strength of light fixture is stronger than both sides, focuses on the performance immediately below light fixture.Can be applicable to basement, windowless building, as corridor, classroom, meeting room etc.Not only meet illumination needs, go back economize energy, and adopt natural light, people can be made under the shower of sunlight to feel comfortably cool happiness in psychology and physiology, be of value to physical and mental health, for the working and learning of people, than artificial light, there is better visual effect.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (1)
1. measure a method for light conduit lighting system distribution curve flux, it is characterized in that, comprise the steps:
S1, light conduit lighting system to be positioned in the cubic type light guide test system that surrounded by light tight black gobo, and to select test plane;
Selective rule is: set the diffusing globe center vertical line of photoconductive tube and diffusing globe center to the angle of described test horizontal edge point line as β, then within the scope of 30 °≤β≤90 °, selected level face is described test plane;
Setting grid in S2, described test plane, with the brightness value of illuminometer test grid intersection point; The spacing that wherein said grid is adjacent 2 is 0.1 ~ 0.5m;
S3, use formula I=Er
2/ cos θ converts the brightness value of every bit to light intensity value;
Wherein, I is certain some light intensity value, E for certain puts brightness value, r be light conduit lighting system light source center and illuminometer probe spacing from, θ is the angle of probing light direction and light conduit lighting system light source normal direction;
After obtaining the light intensity value of each point, can draw out the distribution curve flux of light conduit lighting system, export for the electronic document format set up needed for lamp locker is the file of IES simultaneously, obtains and joins photodistributed complete description to light conduit lighting system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210454502.2A CN102980744B (en) | 2012-11-14 | 2012-11-14 | Method for measuring light distribution curve of optical catheter lighting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210454502.2A CN102980744B (en) | 2012-11-14 | 2012-11-14 | Method for measuring light distribution curve of optical catheter lighting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102980744A CN102980744A (en) | 2013-03-20 |
| CN102980744B true CN102980744B (en) | 2015-02-04 |
Family
ID=47854967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210454502.2A Active CN102980744B (en) | 2012-11-14 | 2012-11-14 | Method for measuring light distribution curve of optical catheter lighting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102980744B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977155B (en) * | 2015-06-30 | 2017-10-31 | 中山大学 | A kind of LED distribution curve fluxs method for fast measuring |
| CN107044908A (en) * | 2016-12-30 | 2017-08-15 | 长安大学 | It is a kind of quickly to match somebody with somebody light detection method |
| CN107830478A (en) * | 2017-09-27 | 2018-03-23 | 苏州城时实业有限公司 | Solar LED roadblock lamp manufacturing method |
| CN115952571B (en) * | 2023-03-14 | 2023-06-27 | 杭州群核信息技术有限公司 | IES light source binding method, device and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3880528A (en) * | 1973-07-02 | 1975-04-29 | Tektronix Inc | Light probe |
| CN101975609A (en) * | 2010-10-09 | 2011-02-16 | 大连工业大学 | Testing method of illumination intensity for road illumination |
| CN202032397U (en) * | 2011-03-16 | 2011-11-09 | 浙江耀恒光电科技有限公司 | High-power LED suitable for road lighting |
| CN202032458U (en) * | 2011-03-07 | 2011-11-09 | 山东科技大学 | Auxiliary illuminating device |
| CN102760819A (en) * | 2011-04-27 | 2012-10-31 | 松下电器产业株式会社 | Light emitting device and illumination device using the same |
-
2012
- 2012-11-14 CN CN201210454502.2A patent/CN102980744B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3880528A (en) * | 1973-07-02 | 1975-04-29 | Tektronix Inc | Light probe |
| CN101975609A (en) * | 2010-10-09 | 2011-02-16 | 大连工业大学 | Testing method of illumination intensity for road illumination |
| CN202032458U (en) * | 2011-03-07 | 2011-11-09 | 山东科技大学 | Auxiliary illuminating device |
| CN202032397U (en) * | 2011-03-16 | 2011-11-09 | 浙江耀恒光电科技有限公司 | High-power LED suitable for road lighting |
| CN102760819A (en) * | 2011-04-27 | 2012-10-31 | 松下电器产业株式会社 | Light emitting device and illumination device using the same |
Non-Patent Citations (5)
| Title |
|---|
| A SHADING MODEL FOR ATMOSPHERIC SCATTERING CONSIDERING LUMINOUS INTENSITY DISTRIBUTION OF LIGHT SOURCES;Tomoyuki Nishita等;《Computer Graphics》;19870731;第21卷(第4期);第303-310页 * |
| LED灯具道路照明效果模拟与分析;阚子雄等;《应用光学》;20120331;第33卷(第2期);第374-379页 * |
| 光导照明系统的基本原理及使用概况;徐登辉等;《智能建筑与城市信息》;20101231(第6期);第81-84页 * |
| 天然光导光管系统的设计与模拟计算;李文忠等;《照明工程学报》;20081231;第19卷(第4期);第52-58页 * |
| 管式天然光导入系统的性能预评估方法研究综述;袁宗南等;《照明工程学报》;20100228;第21卷(第1期);第7-11、22页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102980744A (en) | 2013-03-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Sharma et al. | Performance evaluation of a top lighting light-pipe in buildings and estimating energy saving potential | |
| Cuttle | Towards the third stage of the lighting profession | |
| Li et al. | An analysis of light-pipe system via full-scale measurements | |
| Yu et al. | Application of RELUX simulation to investigate energy saving potential from daylighting in a new educational building in UK | |
| Ho et al. | Optimal sun-shading design for enhanced daylight illumination of subtropical classrooms | |
| CN102980744B (en) | Method for measuring light distribution curve of optical catheter lighting system | |
| Ji et al. | Lighting design of underground parking with tubular daylighting devices and LEDs | |
| CN101846580B (en) | Road optic testing system and method based on automatic illumination acquisition | |
| Mohapatra et al. | Analysis of light tubes in interior daylighting system for building | |
| CN201198991Y (en) | Full cloudy light irradiation simulating device | |
| CN204943329U (en) | Lighting equipment and light pipe lighting system | |
| Malet-Damour et al. | Performance testing of light pipes in real weather conditions for a confrontation with hemera | |
| CN103629601A (en) | Design method for improving illumination of light-emitting diode (LED) street lamp | |
| CN101725894B (en) | Method for secondary light distribution of LED | |
| Earl et al. | Performance of new hybrid solar lighting luminaire design | |
| CN103791456B (en) | Tunnel intraoral illumination environment simulator | |
| Li et al. | Predicting energy saving and life-cycle cost analysis for lighting and daylighting schemes | |
| Gang et al. | The research of triadic relation among building spaces, lighting comfort level and lighting energy consumption in high-speed railway station in China | |
| Li et al. | Green industrial buildings lighting design based on DIALux | |
| KR101595179B1 (en) | Judging Method the luminaire performance through measuring illumination and uniformity factor | |
| CN202261979U (en) | Universal illumination regulation and control controller | |
| Diab et al. | Daylight quality in healthcare design, daylight measurements results and discussion, case study: Jordan University Hospital | |
| CN103759959A (en) | Mirror-box-type all-cloudy day simulation device | |
| Chen et al. | Numerical modeling of tubular daylighting devices | |
| Zhang et al. | Adaptive lighting algorithm experiment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |