CN106764553A - A kind of secondary optics mirror design method that uniform irradiation is measured based on quantum - Google Patents
A kind of secondary optics mirror design method that uniform irradiation is measured based on quantum Download PDFInfo
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- CN106764553A CN106764553A CN201611186852.XA CN201611186852A CN106764553A CN 106764553 A CN106764553 A CN 106764553A CN 201611186852 A CN201611186852 A CN 201611186852A CN 106764553 A CN106764553 A CN 106764553A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/0066—Reflectors for light sources specially adapted to cooperate with point like light sources; specially adapted to cooperate with light sources the shape of which is unspecified
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Abstract
The invention discloses a kind of method for designing of the secondary optics speculum based on quantum measurement, including：By light source and plane of illumination grid division, find the corresponding relation between light source and plane of illumination, calculate free form surface, and fill as speculum, optical simulation software is substituted into, it is simulated and calculates, if the photon uniformity of illuminance for obtaining plane of illumination can not meet requirement, above step is repeated, and changes mesh parameter, required until the photon illumination of plane of illumination meets.The present invention is more accurate in the fields such as the plant illumination light fixture optical design secondary optical design based on radiometric quantities and light quantity that compares, so that the photon illumination on the use face of plant illumination light fixture is more uniform, use illuminance and Radiation intensity on face more uniform rather than it, demand of the plant to light can more be met, it is more beneficial for the growth of plant, using extensive, the fields such as greenhouse, greenhouse light compensating lamp or plant factor are can apply to.
Description
Technical field
The present invention relates to nonimaging optics, particularly a kind of secondary optics reflection based on quantum measurement uniform irradiation
The method for designing of mirror.
Background technology
With plant physiology, optical technology, the rapidly development of LED technology and china's greenhouse agriculture especially greenhouse and
Greenhouse quantity is continuously increased, and it is also more and more that great power LED is applied to plant illumination.Because plant is to the uniformity requirements of light
Compare high, secondary optical design need to be carried out to common plant illumination LED lamp, optics side is met to obtain suitable speculum
The demand of the face uniformity.But the current secondary optical designs for carrying out all on the market use radiometric unit's system and luminosity
Unit system, such as, using law of conservation of energy, this method is not directed to the use quantum gauging system of plant illumination
Secondary optical design.Great mass of data shows that when plant carries out light and effect photochemical reaction, the light of absorption is come with its photon number
Calculate, so two unit of measurement system radiancy and luminosity of current secondary optical design are not met by plant illumination lamp
Has the demand of the secondary optical design of many blended-lights.Need to set up a kind of design of the secondary optics speculum based on quantum measurement
Method, the method can meet plant illumination demand, and industrialization prospect is good, can be carried out with continuing to develop for plant illumination quick-fried
The hair phase.
The content of the invention
(1) technical problem to be solved
Based on the problem that above-mentioned prior art is present, the present invention proposes a kind of secondary optics speculum based on quantum measurement
Method for designing, two unit of measurement system radiancy and luminosity for solving current secondary optical design are not met by
The problem of the demand of the secondary optical design of plant illumination light fixture polychrome mixed light.
(2) technical scheme
The invention provides a kind of method for designing of the secondary optics speculum based on quantum measurement, the secondary optics are anti-
Penetrate light of the mirror for light source to be sent and reflex to plane of illumination, it is characterised in that including：
S1, light source is divided at least one grid so that the number of photons of each grid inner light source outgoing is identical；
S2, plane of illumination is divided into the grid with light source equal number, and has the one of relative position with light source grid
One corresponding relation；
The radiation direction and corresponding plane of illumination of S3, the node, position and outgoing of the grid divided according to light source
The node of the grid of division, position and required incident ray direction are calculated free form surface according to reflection law so that
The position of the light of outgoing and the corresponding grid divided according to plane of illumination on each position for the grid divided according to light source
The crosspoint of the incident ray put is on the free form surface；
S4, filling free form surface form secondary optics speculum model.
In such scheme, the sizing grid that the plane of illumination is divided is identical.
In such scheme, the number of photons of every light losing is ignored.
In such scheme, the one-to-one relationship meets the edge net of the grid that rim ray principle, i.e. light source are divided
The border mesh of the grid that lattice correspondence shadow surface is divided, the grid of the central gridding correspondence shadow surface division of the grid that light source is divided
Central gridding.
In such scheme, the step S3 includes：
S3.1, the node, position and outgoing of the grid divided according to light source radiation direction it is illuminated with corresponding
The node of grid, position and the required incident ray direction that face divides are calculated control grid according to reflection law；
S3.2, the normal vector for calculating control grid node；
S3.3, the tangent vector that grid node is calculated according to the normal vector of control grid node；
S3.4, connect to form free form surface according to the tangent vector of grid node.
In such scheme, also include after the step S4：
S5, analog light source are irradiated to plane of illumination by the secondary optics speculum model that step S4 is obtained, and judge to be shone
Penetrate whether face reaches photon uniformity of illuminance demand, if not up to photon uniformity of illuminance demand, proceeds to step S6, otherwise
Terminate；
S6, the mesh parameter for changing division light source and plane of illumination, return to step S1, the mesh parameter include that grid is close
Degree and mesh shape.
(3) beneficial effect
The compare secondary optical design of radiometric quantities and light quantity of the present invention is led in plant illumination light fixture optical design etc.
Domain is more accurate so that the photon illumination on the use face of plant illumination light fixture is more uniform, and illumination on face is used rather than it
Degree and Radiation intensity are more uniform, can more meet demand of the plant to light, are more beneficial for the growth of plant, using extensive, can be with
It is applied to the fields such as greenhouse, greenhouse light compensating lamp or plant factor.
Brief description of the drawings
Fig. 1 is a kind of flow chart of the method for designing of the secondary optics speculum of quantum measurement of the embodiment of the present invention；
Fig. 2 be the embodiment of the present invention by light source and plane of illumination grid division and determine the signal of one-to-one relationship
Figure；
Fig. 3 is the schematic diagram of the node normal vector for calculating free form surface control grid of the embodiment of the present invention；
Fig. 4 is the schematic diagram that curved surface is formed by analyzing the node normal vector of free form surface of the embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention become more apparent, below in conjunction with specific embodiment, and reference
Accompanying drawing, the present invention is described in further detail.
A kind of method for designing of the secondary optics speculum based on quantum measurement for providing according to embodiments of the present invention, meets
Number of photons and/or photon flux law of conservation, rim ray theorem, beam spread degree conservation theorem, geometric optical theory.It is described
Quantum measurement includes number of photons, photon flux, photon illumination, photon intensity, photon luminance and photon emittance.
PHOTON NUMBER CONSERVATION law is considered from light source to plane of illumination, every light the route difference passed by and the road passed by
Line length is compared to can be ignored, it is assumed that the photon number of every light losing or the photon number difference of loss are neglected
Slightly disregard.
Photon flux law of conservation is considered from light source to plane of illumination, route difference that every light is passed by with pass by
Path length is compared to can be ignored, it is assumed that the photon number of every light losing or the light of loss in the unit interval
Subnumber mesh difference is ignored.
Rim ray theorem is to consider that the grid that the grid that light source is divided is divided with plane of illumination has the one of relative position
One corresponding relation；That is the border mesh of the grid that the border mesh correspondence shadow surface of the grid that light source is divided is divided, light source is divided
Grid central gridding correspondence shadow surface divide grid central gridding.
Beam spread degree conservation theorem refers to every beam spread degree of emergent light as the extension of light is without sending out
Changing.
Geometric optical theory refers to the light of light source and reaches plane of illumination by speculum and to meet reflection law and light
The rectilinear propagation law of independent propagation law and light.
Fig. 1 is a kind of flow chart of the method for designing of the secondary optics speculum of quantum measurement of the embodiment of the present invention.
As illustrated, in step S1, dividing light source grid.According to embodiments of the present invention, light source is divided at least one
Grid so that the number of photons of each grid inner light source outgoing is identical.For example, as shown in Fig. 2 including light source 8, plane of illumination 7 with
And one-to-one relationship 6.Packaged light source 8 is divided into 25 grids, it is ensured that the number of photons in each grid is identical, but does not limit
Whether sizing grid processed is identical.
In step S2, plane of illumination grid is divided.According to embodiments of the present invention, plane of illumination is divided into identical with light source
The grid of quantity, and there is the one-to-one relationship of relative position with light source grid.The one-to-one relationship meets edge-light
The border mesh of the grid that the border mesh correspondence shadow surface of the grid that line principle, i.e. light source are divided is divided, the net that light source is divided
The central gridding of the grid that center of a lattice grid correspondence shadow surface is divided.The plane of illumination is divided into size identical grid.
In embodiments of the present invention, the light source 8 approximate after once encapsulating is containing specific special small solid angle outgoing and plane of illumination 7
A certain specific region sets one-to-one relationship.Meet PHOTON NUMBER CONSERVATION law and rim ray principle.For example, as shown in Fig. 2
Including light source 8, plane of illumination 7 and one-to-one relationship 6.Plane of illumination 7 is divided into and light source 8 quantity identical, 25 nets
Lattice, the grid in the border mesh 16 i.e. outmost turns annulus of the grid that light source 8 is divided, the grid that correspondence plane of illumination 7 is divided
The border mesh 16 i.e. grid of rectangle outmost turns, as shown in corresponding relation 6 in Fig. 2；The central gridding of the grid that source 8 divides
1 grid that i.e. innermost circle circle is represented, the central gridding 1 i.e. rectangle bosom 1x1 tables of the grid that correspondence plane of illumination 7 is divided
The grid for showing, as shown in corresponding relation 6 in Fig. 2.
In step S3, free form surface is calculated.The node of the grid for according to embodiments of the present invention, being divided according to light source,
The light of the node, position and required irradiation of the grid that the radiation direction of position and outgoing is divided with corresponding plane of illumination
Line direction is calculated free form surface according to reflection law.The free form surface that is calculated includes：According to the net that light source is divided
The node of the grid that the radiation direction of the node, position and outgoing of lattice is divided with corresponding plane of illumination, position and institute
The radiation direction that need to be irradiated obtains controlling grid according to reflection law；It is calculated the normal vector of control grid node；According to control
The normal vector of grid node processed calculates the tangent vector of grid node；Tangent vector according to grid node connects to form free song
Face.For example, as shown in figure 3, including plane of illumination 7, light source 8, control grid 9, incident ray 10, emergent ray 11 and control
Grid normal vector 12.The emergent ray 11 of each grid according to light source 8 and each corresponding grid of plane of illumination 7 enter
The interface point and reflection law for penetrating light 12 determine control grid 9.Determine that emergent ray 11 arrives incident light with reference to reflection law
The reflection angle that line 12 needs, with the normal vector 12 of this determination controlling network 9.As shown in figure 4, including control grid normal vector
12nd, control grid tangent vector 13.Control grid normal vector 12 is converted into control grid tangent vector 13, and connects control grid and cut
Vector 13 forms free form surface.
In step S4, filling free form surface forms secondary optics speculum.According to embodiments of the present invention, free form surface is filled out
Fill speculum and form secondary optics speculum or secondary optics speculum model.
In step S5, model is built, judge whether plane of illumination reaches uniformity demand.According to embodiments of the present invention, profit
With the optical simulation softwares such as tracepro, lighttools are according to above-mentioned resulting speculum model modeling and combine light source spy
Property be simulated calculate, if calculate plane of illumination photon illuminance uniformity can not meet requirement, carry out step S6, otherwise tie
Beam.
In step S6, mesh parameter is adjusted, the parameter includes mesh-density and mesh shape etc..Implemented according to the present invention
Example, if plane of illumination photon uniformity of illuminance is unsatisfactory for demand, readjusts mesh parameter, including grid density and grid
Shape etc., repeat step S1 to S5.If for example, the photon uniformity of illuminance of plane of illumination is relatively low, increasing grid division
Density.The mesh shape is not limited to square, can also be polygon, irregular figure etc..
According to embodiments of the present invention, if the speculum of above-mentioned design has met plane of illumination photon uniformity of illuminance need
Ask, then it is assumed that secondary optics mirror design has been completed.Subsequently can be with the above-mentioned secondary optics speculum of industrial processes being made
Finished product.
Particular embodiments described above, has been carried out further in detail to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail bright, it should be understood that the foregoing is only specific embodiment of the invention, be not intended to limit the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements done etc. should be included in protection of the invention
Within the scope of.
Claims (6)
1. a kind of method for designing of the secondary optics speculum based on quantum measurement, the secondary optics speculum is used for light source
The light for sending reflexes to plane of illumination, it is characterised in that including：
S1, light source is divided at least one grid so that the number of photons of each grid inner light source outgoing is identical；
S2, plane of illumination is divided into the grid with light source equal number, and existed with light source grid one a pair of relative position
Should be related to；
S3, the radiation direction of the node, position and outgoing of the grid divided according to light source are divided with corresponding plane of illumination
The node of grid, position and required incident ray direction free form surface is calculated according to reflection law so that according to
The light of outgoing and the position of the corresponding grid divided according to plane of illumination on each position for the grid that light source is divided
The crosspoint of incident ray is on the free form surface；
S4, filling free form surface form secondary optics speculum model.
2. it is according to claim 1 based on quantum measurement secondary optics speculum method for designing, it is characterised in that institute
The sizing grid for stating plane of illumination division is identical.
3. the method for designing of the secondary optics speculum based on quantum measurement according to claim 1, it is characterised in that every
The number of photons of bar light losing is ignored.
4. it is according to claim 1 based on quantum measurement secondary optics speculum method for designing, it is characterised in that institute
State one-to-one relationship and meet the grid that the border mesh correspondence shadow surface of the grid that rim ray principle, i.e. light source are divided is divided
Border mesh, light source divide grid central gridding correspondence shadow surface divide grid central gridding.
5. it is according to claim 1 based on quantum measurement secondary optics speculum method for designing, it is characterised in that institute
Stating step S3 includes：
S3.1, the radiation direction of the node, position and outgoing of the grid divided according to light source are drawn with corresponding plane of illumination
Point the node of grid, position and required incident ray direction control grid is calculated according to reflection law；
S3.2, the normal vector for calculating control grid node；
S3.3, the tangent vector that grid node is calculated according to the normal vector of control grid node；
S3.4, connect to form free form surface according to the tangent vector of grid node.
6. it is according to claim 1 based on quantum measurement secondary optics speculum method for designing, it is characterised in that institute
State and also include after step S4：
S5, analog light source are irradiated to plane of illumination by the secondary optics speculum model that step S4 is obtained, and judge plane of illumination
Whether photon uniformity of illuminance demand is reached, if not up to photon uniformity of illuminance demand, proceeds to step S6, is otherwise tied
Beam；
S6, change the mesh parameter for dividing light source and plane of illumination, return to step S1, the mesh parameter include mesh-density with
Mesh shape.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111856747A (en) * | 2020-08-03 | 2020-10-30 | 大连理工大学 | Optimal transmission-based reflector design method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102138464A (en) * | 2010-12-14 | 2011-08-03 | 杭州汉徽光电科技有限公司 | Light supplement method for greenhouse plant cultivation |
| CN102287756A (en) * | 2011-08-23 | 2011-12-21 | 中国科学院微电子研究所 | Construction method for curved surface of light emitting diode (LED) light distribution lens and LED light distribution lens |
| CN102537842A (en) * | 2012-01-16 | 2012-07-04 | 华中科技大学 | Deign method of light-type controllable lens with double freeform surfaces |
| CN103020386A (en) * | 2012-12-28 | 2013-04-03 | 东莞勤上光电股份有限公司 | Novel LED (Light Emitting Diode) optical design feedback optimizing method |
| CN105607164A (en) * | 2015-12-25 | 2016-05-25 | 天津中环电子照明科技有限公司 | Free-form lens with high light emitting efficiency and design method thereof |
-
2016
- 2016-12-21 CN CN201611186852.XA patent/CN106764553A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102138464A (en) * | 2010-12-14 | 2011-08-03 | 杭州汉徽光电科技有限公司 | Light supplement method for greenhouse plant cultivation |
| CN102287756A (en) * | 2011-08-23 | 2011-12-21 | 中国科学院微电子研究所 | Construction method for curved surface of light emitting diode (LED) light distribution lens and LED light distribution lens |
| CN102537842A (en) * | 2012-01-16 | 2012-07-04 | 华中科技大学 | Deign method of light-type controllable lens with double freeform surfaces |
| CN103020386A (en) * | 2012-12-28 | 2013-04-03 | 东莞勤上光电股份有限公司 | Novel LED (Light Emitting Diode) optical design feedback optimizing method |
| CN105607164A (en) * | 2015-12-25 | 2016-05-25 | 天津中环电子照明科技有限公司 | Free-form lens with high light emitting efficiency and design method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王恺: "大功率LED封装与应用的自由曲面光学研究", 《华中科技大学博士学位论文》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111856747A (en) * | 2020-08-03 | 2020-10-30 | 大连理工大学 | Optimal transmission-based reflector design method |
| CN111856747B (en) * | 2020-08-03 | 2021-05-14 | 大连理工大学 | Optimal transmission-based reflector design method |
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