A kind of luminous environment simulation system
Technical field
The present invention relates to photobiology laboratory apparatus technical field, particularly a kind of luminous environment simulation system.
Background technology
Along with the development of computer technology and virtual reality technology, manual simulation's luminous environment is applied in various experimental studies more and more, and the particularly simulation to natural light environment, is all widely used at numerous subjects such as architecture, physics, medical science.And, in numerous signal imitation technology, the simulation of optical signal is the most complicated, difficulty is considerably beyond speech simulation, temperature simulation, signal of telecommunication simulation and power simulation, its difficulty is mainly how to ensure the uniformity of imitating luminous environment illumination, and this is also that numerous scientific research institutions endeavour the problem solving always.
In order to promote the uniformity of imitating luminous environment illumination, the general LED single-chip light source that uses at present, but the monomer luminous flux of single-chip light source is lower, if a large amount of array of source are arranged, its supporting electric component cost is very high, be unsuitable for simulating the luminous environment of larger space, and the excursion of intensity of illumination is less.Therefore, prior art is a kind of integrated LED unit for operation shadowless lamp as Chinese patent CN201066112Y discloses, be made up of lampshade, LED unit and power-supply controller of electric, on lampshade, rule is booked some bulbs, utilizes the luminous intensity distribution of each bulb to ensure the uniformity of luminous environment illumination.Such design, is used lampshade to add LED and substitutes independent LED single-chip light source, and lampshade quantity is directly proportional to the area of luminous environment virtual space, and space is larger, and the lampshade quantity that said system needs is more, and therefore the equipment cost of this system is still very high.
In order further to reduce the cost of luminous environment simulation system, Chinese patent CN201636710U discloses a kind of pendent lamp, comprise lamp body and be arranged on the light source on lamp body, lamp body is made up of the first case ring and the second case ring, wherein, the first case ring and the second case ring are to be made up of several decorating units, and the end of adjacent two decorating units is hinged, and the middle part of the decorating unit of the first case ring is located at together with the middle part of the decorating unit of corresponding the second case ring.Two circle light source design like this, although equipment cost significantly reduces, but the uniformity of luminous environment illumination is poor, the particularly view field of case ring home position, due to it, around quantity of light source is more, the light that exposes to this region is also more, and now secondary light-distribution phenomenon can cause the illumination in this region very high, thereby affects the uniformity of illuminance in whole space.
Summary of the invention
Technical problem to be solved by this invention is that luminous environment simulation system uniformity of illuminance of the prior art is poor, or equipment cost is higher, and then provides a kind of cost lower, and the higher luminous environment simulation system of uniformity of illuminance.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
A kind of luminous environment simulation system, for imitating luminous environment in simulation plane domain, comprises,
Light source subsystem, formed by some light source modules, each described light source module is all can be in energising in the situation that luminous and provide illumination for described simulation plane domain, described light source module is arranged in order the conglobate inner light source circle of group and outer light source circle, and described inner light source circle and described outer light source circle arrange with one heart;
Supplied for electronic system, for powering to described light source subsystem;
The optical axis of the described light source module on described inner light source circle is along the radial direction of described inner light source circle to extrinsic deflection.
In above-mentioned luminous environment simulation system, described light source module is equidistantly arranged successively.
In above-mentioned luminous environment simulation system, the optical axis of the whole described light source module on described inner light source circle equates along the outside deflection angle of radial direction of described inner light source circle.
In above-mentioned luminous environment simulation system, described inner light source circle and described outer light source circle are positioned at same plane, and this plane parallel is in described simulation plane domain.
In above-mentioned luminous environment simulation system, the optical axis of the described light source module on described outer light source circle is perpendicular to described simulation plane domain.
In above-mentioned luminous environment simulation system, distance between described inner light source circle, described outer light source circle and described simulation plane domain is 3.3 meters~3.5 meters, the diameter of described inner light source circle is 0.95 meter~1.05 meters, the diameter of described outer light source circle is 4.4 meters~4.6 meters, and the deflection angle a of the described light source module on described inner light source circle is 9.508~10.508.
In above-mentioned luminous environment simulation system, the distance between described inner light source circle, described outer light source circle and described simulation plane domain is 3.4 meters, and the diameter of described inner light source circle is 1 meter, and the diameter of described outer light source circle is 4.5 meters.
In above-mentioned luminous environment simulation system, the deflection angle a of the described light source module on described inner light source circle is 10.008.
In above-mentioned luminous environment simulation system, described light source module is LED light source module, and the number that is arranged on the described light source module on described inner light source circle is 18, and the number that is arranged on the described light source module on described outer light source circle is 48.
In above-mentioned luminous environment simulation system, also comprise cooling subsystem and RACS, described cooling subsystem is internal-circulation type wind-cooled cold-water unit; Described RACS is made up of control module, operating unit, driver element and monitoring unit.
Technique scheme of the present invention has the following advantages compared to existing technology:
1. luminous environment simulation system of the present invention, comprise light source subsystem and supplied for electronic system, wherein light source subsystem is made up of some light source modules, light source module is arranged in order the conglobate inner light source circle of group and outer light source circle, inner light source circle and outer light source circle arrange with one heart, and the optical axis of light source module on inner light source circle is along the radial direction of inner light source circle to extrinsic deflection.By the outside deflection of light source module, reduce the illumination of each light source module in simulation plane domain center, make the illumination of this position roughly the same with other positions of simulation plane domain by the secondary light-distribution of each light source module, avoid simulation plane domain center illumination too high, thereby ensured the uniformity of illuminance of whole simulation plane domain; The form that luminous environment simulation system employing inner light source circle simultaneously of the present invention and outer light source circle are worked in coordination ensures the uniformity of illuminance of simulation plane domain, the required light source module quantity of whole system is directly proportional to the diameter/length of side of simulation plane domain, compared with the lighting system that adds lampshade with LED single-chip light source, the luminous flux of single source module of the present invention is higher, still less, manufacturing cost and use cost is lower for required light source module quantity.
2. luminous environment simulation system of the present invention, light source module is equidistantly arranged successively, and the optical axis of whole light source modules on inner light source circle equates along the outside deflection angle of radial direction of inner light source circle.Such design can ensure that the uniformity of illuminance of simulating the luminous environment in plane domain is further promoted, and the design of being convenient to arrange.
3. luminous environment simulation system of the present invention, distance between inner light source circle, outer light source circle and simulation plane domain is 3.3 meters~3.5 meters, the diameter of inner light source circle is 0.95 meter~1.05 meters, the diameter of outer light source circle is 4.4 meters~4.6 meters, and the deflection angle a of the light source module on inner light source circle is 9.508~10.508.Select above-mentioned number range, the uniformity of illuminance of the luminous environment in simulation plane domain can further be promoted.
4. luminous environment simulation system of the present invention, the distance between inner light source circle, outer light source circle and simulation plane domain is 3.4 meters, and the diameter of inner light source circle is 1 meter, and the diameter of outer light source circle is 4.5 meters, and the deflection angle a of the light source module on inner light source circle is 10.008.Select above-mentioned numerical value, the uniformity of illuminance of the luminous environment in the simulation plane domain that diameter is 4.7 meters can reach more than 0.8, has reached the standard of developed country.
Brief description of the drawings
For content of the present invention is more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the power supply module schematic diagram of arranging in luminous environment simulation system of the present invention;
Fig. 2 is A-A ' sectional view in Fig. 1.
In figure, Reference numeral is expressed as: 1-power supply module, 2-inner light source circle, the outer light source circle of 3-.
Detailed description of the invention
As shown in Figure 1, be the preferred embodiment of luminous environment simulation system of the present invention.Described luminous environment simulation system is for imitating luminous environment in simulation plane domain, and in the present embodiment, described luminous environment simulation system comprises light source subsystem, supplied for electronic system, cooling subsystem and RACS.
Described light source subsystem is made up of some light source modules 1, each described light source module 1 is all can be in energising in the situation that luminous and provide illumination for described simulation plane domain, described light source module 1 is arranged in order the conglobate inner light source circle 2 of group and outer light source circle 3, and described inner light source circle 2 and described outer light source circle 3 arrange with one heart.
Described light source module 1 is equidistantly arranged successively.In the present embodiment, described inner light source circle 2 and described outer light source circle 3 are positioned at same plane, and this plane parallel is in described simulation plane domain, the number that is arranged on the described light source module 1 on described inner light source circle 2 is 18, and the number that is arranged on the described light source module 1 on described outer light source circle 3 is 48.Further, 2 points of three sections of suspensions of described inner light source circle, 3 points of 12 sections of suspensions of described outer light source circle.
As shown in Figure 2, described light source module 1 is LED light source module, and in the present embodiment, described LED light source module is made up of high-power LED light source, LED snoot, optically focused cover cap and protection eyeglass.Described LED snoot is hollow round table shape, and round platform upper bottom surface inner diameter m is 30mm, and bottom surface inner diameter n is 104mm, and high h is 80mm.Further, on described snoot internal face, be coated with reflective membrane, described reflective membrane can heatproof more than 230 DEG C, and visible light wave range reflectivity exceedes 88%.
The optical axis of the described light source module 1 on described inner light source circle 2 is along the radial direction of described inner light source circle 2 to extrinsic deflection, and the optical axis of the described light source module 1 on described outer light source circle 3 is perpendicular to described simulation plane domain.In the present embodiment, the optical axis of the whole described light source module 1 on described inner light source circle 2 equates along the outside deflection angle of radial direction of described inner light source circle 2.
In the present embodiment, distance between described inner light source circle 2, described outer light source circle 3 and described simulation plane domain is 3.3 meters~3.5 meters, the diameter of described inner light source circle 2 is 0.95 meter~1.05 meters, the diameter of described outer light source circle 3 is 4.4 meters~4.6 meters, and the deflection angle a of the described light source module 1 on described inner light source circle 2 is 9.508~10.508.Further, distance between described inner light source circle 2, described outer light source circle 3 and described simulation plane domain is 3.4 meters, the diameter of described inner light source circle 2 is 1 meter, and the diameter of described outer light source circle 3 is 4.5 meters, and the deflection angle a of the described light source module 1 on described inner light source circle 2 is 10.008.Now the interior uniformity of illuminance numerical value of the interior each diameter range of imitating luminous environment of described simulation plane domain is in table 1.
Uniformity of illuminance in the each diameter range of table 1
Diameter D (m) |
4 |
4.24 |
4.6 |
4.7 |
4.82 |
5 |
5.2 |
Uniformity of illuminance |
0.915 |
0.88 |
0.817 |
0.8 |
0.777 |
0.745 |
0.7 |
Luminous environment uniformity in 4m diameter that visible described luminous environment simulation system is simulated in described simulation plane domain can reach 0.915, in 4.7m diameter, reach uniformity of illuminance more than 0.8 (European countries' standard), in 5.2m diameter, reach uniformity of illuminance more than 0.7 (national standard).
Described supplied for electronic system is for powering to described light source subsystem.In the present embodiment, described supplied for electronic system adopts multilevel security protection, by air-break, overvoltage, under-voltage state is carried out to self-protection, and ensures the voltage stabilization of described supplied for electronic system by isolating transformer rack.
Described cooling subsystem is internal-circulation type wind-cooled cold-water unit, and described wind-cooled cold-water unit is made up of condenser, compressor, evaporimeter, water temperature detection system and pipeline.The cooling water flowing out in described handpiece Water Chilling Units is flowed through respectively after each described LED light source module and is looped back in described handpiece Water Chilling Units, water outlet again after being freezed by described handpiece Water Chilling Units, and by described condenser by outside heat discharge chamber, described water temperature detection system detects the water temperature of described handpiece Water Chilling Units import and export at any time, to ensure occurring when abnormal and alarm at circulating water temperature.Such setting, can ensure that described luminous environment simulation system indoor temperature change generated in case in the time working long hours is no more than 2 DEG C.
Described RACS is controlled the overall operation of described luminous environment simulation system, and in the present embodiment, described RACS comprises control module, operating unit, driver element and monitoring unit.
In other embodiments, described luminous environment simulation system can also not comprise cooling subsystem and RACS.
In other embodiments, the number that is arranged on the described light source module 1 on described inner light source circle 2 can also be 14,16,20 etc., and the number that is arranged on the described light source module 1 on described outer light source circle 3 can also be 40,44,52 etc.
In other embodiments, described light source module 1 can also be selected the other light sources such as incandescent lamp.
In other embodiments, distance between described inner light source circle 2, described outer light source circle 3 and described simulation plane domain can also be 3.3 meters, 3.35 meters, 3.45 meters, 3.5 meters or other numerical value, the diameter of described inner light source circle 2 can also be 0.95 meter, 0.98 meter, 1.02 meters, 1.05 meters or other numerical value, and the diameter of described outer light source circle 3 can also be 4.4 meters, 4.45 meters, 4.55 meters, 4.6 meters or other numerical value.
In other embodiments, the deflection angle a of the described light source module 1 on described inner light source circle 2 can also be 9.508,9.8,10.2,10.508 or other numerical value.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all embodiments.And the apparent variation of being amplified out thus or variation are still among the protection domain in the invention.