Summary of the invention
The purpose of the present invention is to provide a kind of solar simulators of at least one disadvantage that can overcome background technique.
Solar simulator of the invention includes light source, light conduction cell and equal light unit.The solar simulator is alsoComprising light intensity trimmer, which is formed with the light hole passed through for the light for the light source, which hasOpposite the first hole portion and the second hole portion, the bore hole size of the light hole from first hole portion toward second hole portion be it is non-homogeneous,The light intensity trimmer can be driven and change position, and the light hole is enable to pass through by control and with different positions for light, withThe light of the light source is adjusted by the luminous flux after the light intensity trimmer, which is located at the light intensity trimmer side,And the light come for being conducted through the light intensity trimmer, the equal light unit are located at the light conduction cell side, and being used for willBy the light conduction cell come equalizing light rays.
The bore hole size of solar simulator of the present invention, the light hole is from first hole portion toward second hole portionIt becomes larger, or is discrete variation.
Solar simulator of the present invention, first hole portion are strip arc, which is circle.
Solar simulator of the present invention also includes driving unit, which connects the light intensity trimmer, andDrive the light intensity trimmer mobile in the way of automatically controlled.
Solar simulator of the present invention, the light conduction cell are a solar spectrum calibrated filter or oneThe substance that the combination of the optical fiber or optical fiber and solar spectrum calibrated filter that can bend or dielectric coefficient are 1 ± 0.01.
Solar simulator of the present invention, the equal light unit include light part, and light part is one in open tubular column for thisThe integration rod of shape body or an array lens group.
Solar simulator of the present invention, the equal light unit further include that at least one is located at the light part side, andFor will by this light part come light optically focused light collecting lens.
Solar simulator of the present invention also comprising being located at the light source side, and is used for the light court of the light sourceThe elliptical reflector of light intensity trimmer reflection.
Solar simulator of the present invention includes also intensity monitor unit, which includes for detecingIt surveys and the intensity monitor device is connected by the intensity monitor device and signal of the light intensity after the light intensity trimmer and for showingThe screen of the detecting result of the intensity monitor device.
The beneficial effects of the present invention are: the non-uniform light hole of bore hole size is formed with by the light intensity trimmer,Luminous intensity out can be changed by adjusting the light intensity trimmer position, and the present invention is made to be not necessary to move the light source when changing luminous intensity outOr any parameter of adjustment light source, therefore measurement process can maintain the stability of the light source intensity, spectrum is also stable, can be promotedEfficiency and correctness are measured, while also being improved in the past using problem at high cost caused by attenuator.
Detailed description of the invention
Other features of the invention and effect will be clearly presented in the embodiment referring to schema, in which:
Fig. 1 is a schematic diagram of a first embodiment of solar simulator of the present invention；
Fig. 2 is a front-view schematic diagram, illustrate the first embodiment a light intensity trimmer can by a driving unit drive andIt is mobile；
Fig. 3 is a functional block diagram of the subelement of the first embodiment；
Fig. 4 is a front-view schematic diagram, illustrates the first variation aspect of the light intensity trimmer；
Fig. 5 is a front-view schematic diagram, illustrates second of variation aspect of the light intensity trimmer；
Fig. 6 is a front-view schematic diagram, illustrates the third variation aspect of the light intensity trimmer；
Fig. 7 is a front-view schematic diagram, illustrates the 4th kind of variation aspect of the light intensity trimmer；
Fig. 8 is a three-dimensional schematic device of the first embodiment；
Fig. 9 is a perspective view of the lamp box in Fig. 8, illustrates the element being mounted in the lamp box；
Figure 10 is a perspective view, illustrates another variation aspect of the first embodiment；
Figure 11 is a perspective view, illustrates still another variation aspect of the first embodiment；
Figure 12 is a schematic diagram of a second embodiment of solar simulator of the present invention.
Specific embodiment
Before the present invention is described in detail, it shall be noted that in the following description content, similar element is with identicalNumber is to indicate.
Refering to fig. 1,2,3, a first embodiment of solar simulator of the present invention, suitable for detecting the spy of solar batteryProperty, and include a light source 11, an elliptical reflector 12, a light intensity trimmer 2, a light conduction cell 3, an equal drive of light unit 4, oneMoving cell 5 and an intensity monitor unit 6.
The light source 11 such as xenon (Xe) lamp or LED light, but not limited to this.The elliptical reflector 12 is located at the light source 11 1Side, and for reflecting the light of the light source 11 towards the light intensity trimmer 2.
The light intensity trimmer 2 be formed with one for supply the light source 11 the light hole 21 that passes through of light.The light hole 21It is to extend to rear surface from the front surface of the light intensity trimmer 2 and be in perforation.Wherein, which has opposite one theOne hole portion 211 and second hole portion 212, the bore hole size of the light hole 21 is from first hole portion 211 toward second hole portion 212It is non-homogeneous, that is to say, that the size of different parts has variation.Specifically, the hole ruler of the light hole 21 of the present embodimentVery little to become larger from first hole portion 211 toward second hole portion 212, wherein first hole portion 211 is strip arc, second holePortion 212 is circle.The light intensity trimmer 2 can be driven and change position, enable the light hole 21 by control and with different portionsPosition passes through for light, to adjust the luminous flux after the light of the light source 11 passes through the light intensity trimmer 2, and then changes the sunlightThe luminous intensity that simulator finally projects.Supplementary explanation, the aspect which is not limited to the present embodiment, and the light hole21 can be regular shape or irregular shape, and bore hole size can be in consecutive variations, or discrete variation.GinsengFig. 4~7 are read, for other kind of variation aspect of the light intensity trimmer 2, Fig. 4 shows that the light hole 21 is irregular, change in sizeIt is discontinuous, Fig. 5 show the light hole 21 be continuous type, Fig. 6,7 display light intensity trimmers 2 shape be it is rectangular, wherein Fig. 6 go outUnthreaded hole 21 is continuous type, and the light hole 21 of Fig. 7 is discrete.
With continued reference to Fig. 1,2,3, which is used to be conducted through the light intensity trimmer 2 and next light, this realityThe light conduction cell 3 for applying example is the optical fiber that can be bent, it is convenient to which the fiber kinks are set to required direction and positionSet, thus the light conduction cell 3 be connected upstream the light intensity trimmer 2 and downstream the equal light unit 4 when, can be easilyReach ideal setting position, and bending the optical fiber to adjust optimal exit positions and direction.But when implementing, the lightConduction unit 3 is not limited to bend, and is also not necessarily limited to optical fiber, as long as conduction light can be used for downstream components.Light conductionUnit 3 for example can be a solar spectrum calibrated filter (Air Mass Filter), can make by light spectral moreClose to solar spectrum, the combination of the light conduction cell 3 or optical fiber and solar spectrum calibrated filter or dielectric coefficient are1 ± 0.01 substance, such as the light conduction cell 3 can be air.
The equal light unit 4 for will by the light conduction cell 3 come equalizing light rays, and including an equal light part41 and two be spaced each other and be located at equal 41 side of light part, and for will by this light part 41 come light optically focusedLight collecting lens 42.The light part 41 of the present embodiment is an integration rod in open column shape body, generally hollow four directionsShape cylinder can be reached during light is advanced forward inside light part 41 by 41 interior surface multiple reflections of light partLight even results, when embodiment, light part 41 is also possible to an array lens group for this, can equally reach equal light effect.The light collecting lens 42 are located at 41 downstream position of light part, make to propagate again after focusing by the light of the light part 41, can be effectiveIt is lifted out luminous intensity.Each light collecting lens 42 such as convex lens, when implementing, the quantity of light collecting lens 42 may be oneIt is a.
The driving unit 5 connects the light intensity trimmer 2, and drives in the way of automatically controlled the light intensity trimmer 2 mobile, can be withTo move up and down, to drive the light intensity trimmer 2 to change position of the light hole 21 relative to the light source 11.
The intensity monitor unit 6 includes one for detecting the light intensity prison by the light intensity after the light intensity trimmer 2It surveys device 61 and a signal connects the screen of the intensity monitor device 61 and the detecting result for showing the intensity monitor device 6162。
The present invention is in use, the light of the light source 11 can connect first by the elliptical reflector 12 towards the light intensity trimmer 2 reflectionLight enter the light conduction cell 3 via the light hole 21 of the light intensity trimmer 2, enter back into this inside light part 41 via moreSecondary reflection simultaneously homogenizes, and by this, light part 41 can generate at least 4 × 4 conjugation light sources to light, then the light harvesting is saturating by firstMirror 42 collects these conjugation light sources 11, using second 42 focal imaging of light collecting lens, and then is formed with predetermined shapeAnd uniform hot spot, in the present embodiment, due to this light part 41 be square open column shape body, generate hot spot beThe square focus spot of brightness uniformity.
When adjusting the luminous flux of light source 11, drive the light intensity trimmer 2 mobile as long as controlling the driving unit 5, with benefitPassed through with the different parts of the light hole 21 for light, so that it may change luminous flux, to change luminous intensity out.Such as gone out with thisWhen the larger position of 21 bore hole size of unthreaded hole corresponds to light travel path, pass through for more light, this Light intensity is stronger, phaseOver the ground, when reducing luminous intensity, as long as control makes the light hole 21 correspond to light travel path with the lesser position of bore hole size,More light can be blocked, makes to reduce by the light quantity of light hole 21, achievees the purpose that reduce light intensity.Since the present invention is to move2 position of light intensity trimmer is moved to adjust intensity variation, power, position etc. without adjusting the light source 11 itself, noThe stability and spectrum of light would not be influenced by going to adjust the light source 11.It is measured with different light intensity, such as under different light intensityOpen-circuit voltage (Voc) variation of solar battery can be studied, and analyzes the origin cause of formation that Voc deviates ideal value, Voc can be promoted to find outMaterials synthesis direction and cell making process on improvement direction.
In addition, further the settable intensity monitor unit 6 can be fed back to the present invention with detecting intensity variation at any timeOperator learns most timely information, and the work adjustment immediately when luminous intensity has error, such as adjusts the light intensity trimmer 2 againThe parameters such as position can promote measurement efficiency by detecting and correcting immediately.
In conclusion changing luminous intensity out by adjusting the light intensity trimmer 2, when changing luminous intensity it is not necessary to move the lightSource 11 or any parameter for adjusting light source 11, and be also not necessary to that any plated film is arranged on the light intensity trimmer 2, but utilize holeThe light hole 21 of form adjusts light quantity, therefore measures process and can maintain the stability of 11 luminous intensity of light source, and spectrum is also stableWithout being changed, it can be promoted and measure efficiency and correctness, while also improved in the past using at high cost caused by attenuatorProblem.The light conduction cell 3 of the present embodiment uses optical fiber, facilitates conjunction measuring demand and equipment of the invention sets up groundPoint can arbitrarily be moved according to place is set up, and the free folding optical fiber adjusts light direction, convenient for applying various fields,It can be in conjunction with glove box.It, can be using lamp box appropriate, outer and the present invention is based under the element configuration framework of above-described embodimentThe design such as shell, makes light direction of the invention that can make various adjustment, can upward, downward, or level goes out light, upper quite in applicationIt is convenient, it is described as follows.
Fig. 1 of the present invention is the upstream and downstream relativeness for illustrating each interelement, and the element for illustrating light to be advanced through is suitableSequence, but be not necessary to limit the arrangement position of each element and orientation up and down when implementing, for example, please refer to Fig. 1,8,9, thisInvention can be designed to small in size, light-weight modularity design, facilitate carrying and mobile survey, sun optical analog of the inventionDevice in also may include a lamp box 71 and a host 72 in actual use.The lamp box 71 include one first wall opposing upper and lower 711 withOne second wall 712, one is connected between first wall 711 and second wall 712 and on the wall 713 that four sides surrounds and twoLower interval and the frame wall 714 between first wall 711 and second wall 712.First wall 711, second wall 712 are enclosed with thisWall 713 defines an installation space 710 jointly.One three axial adjustment platform 73 is set in the installation space 710, and the light source 11 can be setIt is placed on the three axial adjustment platform 73, the light source 11 is enable to be driven and all around moved up and down by the three axial adjustment platform 73, to adjustWhole 11 position of light source.Underlying this wall 714 is located above in the frame wall 714 for the elliptical reflector 12 erectionThis wall 714 for the light intensity trimmer 2 erection.Wall 713 or first wall 711 of the lamp box 71 can be in corresponding positionsInstalling port appropriate is opened up, for the intensity monitor unit 6 installation.The host 72 is equipped with relevant control element and screen, andThe host 72 is connect with elements signals such as the light source 11, the driving units 5, for control the light source 11, driving unit 5 starting withRunning.
The equal light unit 4 can be installed on 71 side of lamp box by a bracket 43, and further include one for containingThe light pedestal 44 of the light part 41 and the light collecting lens 42.The light part 41 is located at this in light pedestal 44, and is located at42 top of the light collecting lens, after Fig. 8 signal is via the equal light unit 4, last light direction is that downward, and it is equal to form brightnessEven square hot spot.And the light conduction cell 3 be connected to 71 top of the lamp box and this between 44 top of light pedestal.
Refering to fig. 10, it is another variation aspect of solar simulator of the present invention, shows the different lamp of another kind in figure71 structure of case and host 72.It is to go out light downwards that Figure 10, which equally illustrates light finally,.
Refering to fig. 11, it is another variation aspect of solar simulator of the present invention, Figure 11 illustrates the equal light unit 4 for waterFlat setting, light are finally horizontal light out.Wherein the equipment such as the lamp box 71, host 72 can also be erected at a cabinet body not shownOn, the installation site and setting place of each element of the present invention can all change according to use demand.
Refering to fig. 12, a second embodiment of solar simulator of the present invention is roughly the same with the first embodiment, different, the present embodiment is in also setting up one first reflecting mirror 13 and one second reflecting mirror 14 on light travel path.The light of the present embodimentIt after the light in source 11 is reflected by the elliptical reflector 12, then is reflected towards the light intensity trimmer 2 by first reflecting mirror 13, lightBy after the light intensity trimmer 2 equally by the light conduction cell 3, the equal light unit 4 light part 41, then again by this secondReflecting mirror 14 is reflected towards the light collecting lens 42, and is projected downward by after 42 light harvesting of light collecting lens.Wherein, the light of the present embodimentConduction unit 3 is air.The elements such as the light source 11 of the present embodiment, elliptical reflector 12, equal light unit 4, can equally be installed onIn shell appropriate, to become modularity equipment, carrying and operation can be facilitated.
As described above, only the embodiment of the present invention is when cannot be limited the scope of implementation of the present invention with this, i.e., allAccording to simple equivalent changes and modifications made by claims of the present invention and description, all still belong to the scope of the present invention.