CN109781249A - Device and its optical axis alignment methods for pyrheliometer indoor test - Google Patents
Device and its optical axis alignment methods for pyrheliometer indoor test Download PDFInfo
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Abstract
In a kind of device and its optical axis alignment methods for pyrheliometer indoor test, indoor test device mainly includes condenser system, xenon lamp, turns to plane mirror I, light integrator, colimated light system, laser, collimating and beam expanding system, turns to plane mirror II and adjustment mechanism.In use, guaranteeing that the optical axis of indoor test device is aligned with the optical axis of tested pyrheliometer first；Then by laser and collimating and beam expanding system moving-out device；Finally light xenon lamp, the light beam that xenon lamp issues successively passes through condenser system, turns to plane mirror I, light integrator, colimated light system and turn to plane mirror II, and tested directly radiation is projected to less than 1 °, light beam of the beam size greater than 60mm better than 0.5%, angle of collimation better than 1353W/ ㎡, the uniformity with irradiation level, and then realize the tested indoor test work directly radiated.
Description
Technical field
The present invention relates to pyrheliometer technology more particularly to a kind of devices and light for pyrheliometer indoor test
Axis alignment methods.
Background technique
The scattering radiation of very narrow annular sky is known as direct solar radiation around the radiation on sun surface and the sun.The sun
Directly radiation be total solar radiation important component, the observation directly radiated for radiation flux climatological research and
The assessment of solar energy resources has important role.The observation directly radiated, main instrument to be used is pyrheliometer.
Pyrheliometer is mainly used to measure direct solar radiation and with outer cylinder in coaxial by outer cylinder and in outer cylinder
Money alignment hole is arranged in the optical measuring device of distribution, the leading portion outside outer cylinder, and the rear end outside outer cylinder, which is arranged with preceding alignment hole, is in
The rear alignment hole being coaxially distributed, and the axis of the axis of preceding alignment hole, the axis of rear alignment hole and outer cylinder is parallel to each other and (is detailed in specially
Sharp ZL201510255998.4).The precision of pyrheliometer depends on the precision of its test equipment.Currently, for directly radiating
The accuracy test of table, mainly outdoor test, not only test period is long, low efficiency, and test environment is poor, test condition can not
Reproduction, it is not high so as to cause the precision of pyrheliometer, limit the development of related fields.
For the high precision measurement problem that cannot achieve pyrheliometer in the prior art, propose a kind of for directly radiating
The indoor test device of table, while the optical axis alignment issues of indoor test device and pyrheliometer are solved, further increase survey
Try precision, it has also become those skilled in the art's technical problem anxious to be resolved.
Summary of the invention
Technical purpose of the invention is that the technology that cannot achieve pyrheliometer high precision measurement in the prior art is overcome to ask
Topic proposes a kind of device for pyrheliometer indoor test and its optical axis alignment methods.
To realize the above technical purpose, the technical scheme is that
In a kind of device and its optical axis alignment methods for pyrheliometer indoor test, indoor test device mainly includes gathering
Photosystem, xenon lamp turn to plane mirror I, light integrator, colimated light system, laser, collimating and beam expanding system, turn to plane
Reflecting mirror II and adjustment mechanism.
Wherein, xenon lamp is placed on condenser system, while xenon lamp is placed in the first focal point of condenser system, and it is anti-to turn to plane
It penetrates mirror I to be placed on xenon lamp, light integrator is placed in the right for turning to plane mirror I, while light integrator is placed in optically focused
Second focal point of system, colimated light system are placed in the right of light integrator, and laser is placed in the right of colimated light system, and collimation expands
Beam system is placed in the right of laser, turns to the right that plane mirror II is placed in collimating and beam expanding system, is tested pyrheliometer
It is placed in the lower section for turning to plane mirror II, adjustment mechanism is placed in the lower section of tested pyrheliometer.
Xenon lamp is placed in the first focal point of condenser system, and the light beam of covering 300nm-2500nm is issued by xenon lamp, by poly-
Photosystem converges at light integrator, condenser system light gathering efficiency with higher, it is ensured that indoor test device emergent light
Irradiation level be better than 1353W/ ㎡；Light integrator is placed in the second focal point of condenser system, and spy is coated on light integrator
Determine membrane system, it is ensured that indoor test device emergent light meets A grades of solar spectrum requirements, meanwhile, light integrator is to convergent beam
Even light action is played, to improve the uniformity of indoor test device emergent light, guarantees that the uniformity is better than 0.5%；In xenon lamp and optics
Between integrator, setting turns to plane mirror I, and the effect for turning to plane mirror I is to realize that 90 ° of light beam are turned back, and turn
It is better than λ/10 to the surface precision of plane mirror I, to guarantee that the uniformity of indoor test device emergent light is unaffected；Light
It learns integrator and the light beam after homogenizing is projected to colimated light system, colimated light system does up collimating effect to incident light, and by angle of collimation
It projects less than 1 °, light beam of the beam size greater than 60mm, is used for tested pyrheliometer；Laser is arranged in the right of colimated light system
Device, collimating and beam expanding system is arranged in the right of laser, and structure design guarantees that colimated light system, laser and collimating and beam expanding system are same
Axis, the light beam that laser issues has good collimation, after collimating and beam expanding system, forms bore greater than Φ 100mm's
Laser beam, the laser beam with Φ 100mm bore irradiate the preceding alignment hole and rear alignment hole of tested pyrheliometer；It is placed in
Adjustment mechanism below tested pyrheliometer is, it can be achieved that the position of tested pyrheliometer X-axis and Y-axis is adjusted, and adjusts essence
Degree is better than 1 μm.Between collimating and beam expanding system and tested pyrheliometer, setting turns to plane mirror II, and it is anti-to turn to plane
The effect for penetrating mirror II is to realize that 90 ° of light beam are turned back, and the surface precision for turning to plane mirror II is better than λ/10, to guarantee
The uniformity of indoor test device emergent light is unaffected.
In use, guarantee that the optical axis of indoor test device is aligned with the optical axis of tested pyrheliometer first, optical axis alignment
The step of there are three: first step lights laser, and the light beam for issuing laser forms Φ by collimating and beam expanding system
The laser beam of 100mm bore irradiates the preceding alignment hole and rear alignment hole of tested pyrheliometer；Second step observes laser
The imaging position of light beam, if passing through preceding alignment hole and rear alignment hole simultaneously, then it represents that indoor test device under current location
Optical axis is aligned with the optical axis of tested pyrheliometer, if failing simultaneously through preceding alignment hole and rear alignment hole, then it represents that present bit
The optical axis of the optical axis and tested pyrheliometer of indoor test device under setting is not aligned with, and needs to adjust；Third step utilizes
The tested position directly radiated of adjustment mechanism adjustment, until laser beam passes through preceding alignment hole and rear alignment hole simultaneously；So far complete
At the optical axis of indoor test device and the optical axis alignment work of tested pyrheliometer；Then by laser and collimator and extender system
System moving-out device；Xenon lamp is finally lighted, the light beam that xenon lamp issues successively passes through condenser system, turns to plane mirror I, optics product
Divide device, colimated light system and turn to plane mirror II, and 0.5%, angle of collimation are better than better than 1353W/ ㎡, the uniformity with irradiation level
It is projected to tested directly radiation less than 1 °, light beam of the beam size greater than 60mm, and then realizes the tested interior directly radiated
Test job.
In conclusion the device of the invention is simple and convenient to operate, technical method is feasible, efficient, realizes pyrheliometer
Indoor high precision measurement.
Detailed description of the invention
Fig. 1 is that the present invention is a kind of to be illustrated for the device of pyrheliometer indoor test and its composition of optical axis alignment methods
Figure.
Fig. 2 is that the present invention is a kind of to be aligned for the device of pyrheliometer indoor test and its optical axis of optical axis alignment methods
The composition schematic diagram of first step and second step.
Fig. 3 is that the present invention is a kind of to be aligned for the device of pyrheliometer indoor test and its optical axis of optical axis alignment methods
The composition schematic diagram of third step.
Fig. 4 is that the present invention is a kind of for the device of pyrheliometer indoor test and its direct radiation of optical axis alignment methods
Table composition schematic diagram
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the invention is clearly and completely described.It should be noted that in the drawings or instructions,
Similar or identical element all uses identical appended drawing reference.
Fig. 1 is that the present invention is a kind of to be illustrated for the device of pyrheliometer indoor test and its composition of optical axis alignment methods
Figure.
In a kind of device and its optical axis alignment methods for pyrheliometer indoor test, indoor test device is mainly wrapped
It includes condenser system 1, xenon lamp 2, turn to plane mirror I 3, light integrator 4, colimated light system 5, laser 6, collimating and beam expanding system
7, plane mirror II 8 and adjustment mechanism 9 are turned to.
Wherein, xenon lamp 2 is placed on condenser system 1, while xenon lamp 2 is placed in the first focal point of condenser system 1, is turned to flat
Face reflecting mirror I 3 is placed on xenon lamp 2, and light integrator 4 is placed in the right for turning to plane mirror I 3, while light integrator 4
It is placed in the second focal point of condenser system 1, colimated light system 5 is placed in the right of light integrator 4, and laser 6 is placed in colimated light system 5
Right, collimating and beam expanding system 7 is placed in the right of laser 6, turns to the right side that plane mirror II 8 is placed in collimating and beam expanding system 7
Side, tested pyrheliometer are placed in the lower section for turning to plane mirror II 8, and adjustment mechanism 9 is placed under tested pyrheliometer
Side.
Xenon lamp 2 is placed in the first focal point of condenser system 1, and the light beam of covering 300nm-2500nm is issued by xenon lamp 2, passes through
Condenser system 1 converges at light integrator 4, the light gathering efficiency with higher of condenser system 1, it is ensured that indoor test device goes out
The irradiation level of light is penetrated better than 1353W/ ㎡；Light integrator 4 is placed in the second focal point of condenser system 1, and on light integrator 4
It is coated with specific membrane system, it is ensured that indoor test device emergent light meets A grades of solar spectrum requirements, meanwhile, 4 pairs of light integrator can
Optically focused does up even light action, to improve the uniformity of indoor test device emergent light, guarantees that the uniformity is better than 0.5%；In xenon lamp
Between 2 and light integrator 4, setting turns to plane mirror I 3, and the effect for turning to plane mirror I 3 is 90 ° for realizing light beam
It turns back, and the surface precision for turning to plane mirror I 3 is better than λ/10, to guarantee the uniformity of indoor test device emergent light
It is unaffected；Light beam after homogenizing is projected to colimated light system 5 by light integrator 4, and colimated light system 5 does up collimation to incident light and makees
With, and angle of collimation is projected less than 1 °, light beam of the beam size greater than 60mm, it is used for tested pyrheliometer；Colimated light system 5
Right laser 6 is set, collimating and beam expanding system 7 is arranged in the right of laser 6, and structure design guarantees colimated light system 5, laser
Device 6 and collimating and beam expanding system 7 are coaxial, and the light beam that laser 6 issues has good collimation, after collimating and beam expanding system 7,
The laser beam that bore is greater than Φ 100mm is formed, before the laser beam with Φ 100mm bore irradiates tested pyrheliometer
Alignment hole and rear alignment hole；The adjustment mechanism 9 being placed in below tested pyrheliometer is, it can be achieved that tested pyrheliometer X-axis and Y
The position of axis is adjusted, and degree of regulation is better than 1 μm.Between collimating and beam expanding system 7 and tested pyrheliometer, setting turns to flat
Face reflecting mirror II 8, the effect for turning to plane mirror II 8 are to realize that 90 ° of light beam are turned back, and turn to plane mirror II 8
Surface precision is better than λ/10, to guarantee that the uniformity of indoor test device emergent light is unaffected.
Fig. 2 is that the present invention is a kind of to be aligned for the device of pyrheliometer indoor test and its optical axis of optical axis alignment methods
The composition schematic diagram of first step and second step.
Fig. 3 is that the present invention is a kind of to be aligned for the device of pyrheliometer indoor test and its optical axis of optical axis alignment methods
The composition schematic diagram of third step.
Fig. 4 is that the present invention is a kind of for the device of pyrheliometer indoor test and its direct radiation of optical axis alignment methods
Table composition schematic diagram.
In use, guarantee that the optical axis of indoor test device is aligned with the optical axis of tested pyrheliometer first, optical axis alignment
The step of there are three: first step lights laser 6, and the light beam for issuing laser 6 is formed by collimating and beam expanding system 7
The laser beam of Φ 100mm bore irradiates the preceding alignment hole Z01 and rear alignment hole Z02 of tested pyrheliometer；Second step,
The imaging position for observing laser beam, if passing through preceding alignment hole Z01 and rear alignment hole Z02 simultaneously, then it represents that under current location
The optical axis of indoor test device is aligned with the optical axis of tested pyrheliometer, if failing simultaneously through preceding alignment hole Z01 and rear right
Quasi- hole Z02, then it represents that the optical axis of the optical axis and tested pyrheliometer of the indoor test device under current location is not aligned with, and is needed
It adjusts；Third step adjusts the tested position directly radiated using adjustment mechanism 9, until laser beam pass through simultaneously it is preceding right
Quasi- hole Z01 and rear alignment hole Z02；So far the optical axis for completing indoor test device is directed at work with the optical axis of tested pyrheliometer
Make；Then by 7 moving-out device of laser 6 and collimating and beam expanding system；Xenon lamp 2 is finally lighted, the light beam that xenon lamp 2 issues successively passes through
Condenser system 1 turns to plane mirror I 3, light integrator 4, colimated light system 5 and turns to plane mirror II 8, and with irradiation
Degree is projected to better than 0.5%, angle of collimation less than 1 °, light beam of the beam size greater than 60mm tested straight better than 1353W/ ㎡, the uniformity
Radiation is connect, and then realizes the tested indoor test work directly radiated.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify to technical solution documented by previous embodiment or equivalent replacement of some of the technical features；And
These are modified or replaceed, the spirit and model of technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (2)
1. a kind of device and its optical axis alignment methods for pyrheliometer indoor test, which is characterized in that
Including condenser system, xenon lamp, turn to plane mirror I, light integrator, colimated light system, laser, collimator and extender system
System turns to plane mirror II and adjustment mechanism；
Specifically, the xenon lamp is placed on the condenser system, while the xenon lamp is placed in the first coke of the condenser system
At point, the steering plane mirror I is placed on the xenon lamp, and the light integrator is placed in the steering plane mirror
I right, while the light integrator is placed in the second focal point of the condenser system, the colimated light system is placed in the light
The right of integrator is learned, the laser is placed in the right of the colimated light system, and the collimating and beam expanding system is placed in the laser
The right of device, the right for turning to plane mirror II and being placed in the collimating and beam expanding system, tested pyrheliometer are placed in institute
The lower section for turning to plane mirror II is stated, the adjustment mechanism is placed in the lower section of the tested pyrheliometer；
The xenon lamp is placed in the first focal point of the condenser system, and the light of covering 300nm-2500nm is issued by the xenon lamp
Beam converges at the light integrator by the condenser system, and the condenser system light gathering efficiency with higher can be protected
The irradiation level for demonstrate,proving indoor test device emergent light is better than 1353W/ ㎡；The light integrator is placed in the second of the condenser system
Focal point, and specific membrane system is coated on the light integrator, it is ensured that indoor test device emergent light meets A grades of solar spectrums
It is required that meanwhile, the light integrator does up even light action to converging light, to improve the indoor test device emergent light
The uniformity guarantees that the uniformity is better than 0.5%；Between the xenon lamp and the light integrator, the steering plane reflection is set
Mirror I, the effect for turning to plane mirror I are to realize 90 ° of light beam to turn back, and the face type for turning to plane mirror I
Precision is better than λ/10, to guarantee that the uniformity of indoor test device emergent light is unaffected；The light integrator will homogenize
Light beam afterwards is projected to the colimated light system, and the colimated light system does up collimating effect to incident light, and by angle of collimation less than 1 °,
Light beam of the beam size greater than 60mm projects, and uses for the tested pyrheliometer；Institute is arranged in the right of the colimated light system
State laser, the right of the laser is arranged the collimating and beam expanding system, and structure design guarantees the colimated light system, described
Laser and the collimating and beam expanding system are coaxial, and the light beam that the laser issues has good collimation, by the standard
After direct expansion beam system, the laser beam that bore is greater than Φ 100mm is formed, the laser beam with Φ 100mm bore irradiates
The preceding alignment hole and rear alignment hole of the tested pyrheliometer；The adjustment machine being placed in below the tested pyrheliometer
Structure is, it can be achieved that the position of the tested pyrheliometer X-axis and Y-axis is adjusted, and degree of regulation is better than 1 μm；
Between the collimating and beam expanding system and the tested pyrheliometer, the steering plane mirror II is set, it is described
The effect for turning to plane mirror II is to realize that 90 ° of light beam are turned back, and the surface precision for turning to plane mirror II is excellent
In λ/10, to guarantee that the uniformity of the indoor test device emergent light is unaffected.
2. in a kind of device and its optical axis alignment methods for pyrheliometer indoor test according to claim 1,
It is characterized in that,
In use, guarantee that the optical axis of the indoor test device is aligned with the optical axis of the tested pyrheliometer first, optical axis
There are three the step of alignment: first step, lights the laser, and the light beam for issuing the laser expands by the collimation
Beam system, and form the laser beam of Φ 100mm bore, irradiate the tested pyrheliometer the preceding alignment hole and
Alignment hole after described；Second step observes the imaging position of the laser beam, if simultaneously by the preceding alignment hole and described
Alignment hole afterwards, then it represents that the optical axis of the indoor test device under current location and the institute of the tested pyrheliometer
Optical axis alignment is stated, if failing simultaneously through the preceding alignment hole and the rear alignment hole, then it represents that the room under current location
The optical axis of interior test device and the optical axis of the tested pyrheliometer are not aligned with, and need to adjust；Third step,
The tested position directly radiated is adjusted using the adjustment mechanism, until the laser beam passes through the preceding alignment simultaneously
Hole and the rear alignment hole；So far the optical axis of the indoor test device and the institute of the tested pyrheliometer are completed
State optical axis alignment work；Then by the laser and the collimating and beam expanding system moving-out device；Finally light the xenon lamp, institute
State xenon lamp sending the light beam successively by the condenser system, the steering plane mirror I, the light integrator,
The colimated light system and the steering plane mirror II, and 0.5%, collimation is better than better than 1353W/ ㎡, the uniformity with irradiation level
Angle is projected to the tested directly radiation greater than the light beam of 60mm less than 1 °, beam size, and then realizes described tested
The indoor test work directly radiated.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111724668A (en) * | 2020-07-24 | 2020-09-29 | 长春理工大学 | Optical axis alignment method and device of multi-light-source mixed solar simulation device |
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