CN109612583A - A kind of point light source method for measuring space spectral radiance and measuring system - Google Patents
A kind of point light source method for measuring space spectral radiance and measuring system Download PDFInfo
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- CN109612583A CN109612583A CN201910046823.0A CN201910046823A CN109612583A CN 109612583 A CN109612583 A CN 109612583A CN 201910046823 A CN201910046823 A CN 201910046823A CN 109612583 A CN109612583 A CN 109612583A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
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Abstract
The invention discloses a kind of point light source method for measuring space spectral radiance and measuring systems, belong to optical radiation fields of measurement.The space coordinate of the center of circle that tested point light source and spotlight mounting seat are mounted on daylighting annulus is set, the peripherally disposed appropriate number of specific daylighting point of spatial coordinate location on daylighting annulus；One light guide input terminal is installed on each daylighting point, summarizes in light guide and light guide output end is installed according to determining putting in order on screen；The front that light guide summarizes screen is arranged in plane spectral information measuring device；Spotlight mounting seat drives point light source to rotate under control centre's control using the light central axis of point light source as axis relative to daylighting annulus with certain angular speed, and plane spectral information measuring device synchronous acquisition point light source summarizes the Spectral Radiation Information of screen output by light guide and the radiation spectral data of each angle in measured light space is calculated.The present invention realizes the Quick Acquisition to the spatial spectral information of point light source, and collecting efficiency is high, and measurement stability is good.
Description
Technical field
The present invention relates to optical radiation fields of measurement, particularly relate to a kind of point light source method for measuring space spectral radiance and
Measuring system.
Background technique
As lamps and lanterns or the important parameter of light source, the light distribution of space all directions, Colour, Luminance Distribution and total
The precise measurement of the optical characteristics such as luminous flux is even more important.Distributed photometer is the special instrument of optics lamps and lanterns feature measurement,
The measuring principle of distribution photometer is mainly illumination square distance law of reciprocity, it is desirable that between measurand and optical detector
Apart from long enough；In addition, the precise measurement to realize the parameters such as lamps and lanterns or light source space light distribution, it is necessary to make measurand
The burning point posture being kept fixed, thus it is high to the stability requirement of distribution photometer.Traditional distribution photometer wide variety,
Wherein the higher distributed photometer of measuring accuracy has mirror type distribution photometer, synchronous reflection distributing photometer, tilting mirror
Formula distribution photometer etc..
Existing distributed photometer measurement method is that light source is mounted on the fixed position in space, and optical detector is mounted on can
On the mechanical arm of spatial rotational, compartment circumference fortune is carried out around light source in the space for keeping certain distance with point light source
It is dynamic, during compartment circular motion, the sampling of compartment spectral information, optical detector are carried out under the control of mechanical device
Certain angle is often turned in space, just spectral information is measured in the angle position pause certain time of the determination, with such
It pushes away, until completing the spectral information measurement of the different spatial point of entire space range to be measured.This measurement method needs light
Detector device carries out Accuracy Space positioning in particular spatial location, and machinery positioning point is too many, and mechanical complicated, mechanical equipment exists
The position positioning accuracy in space is low, and measurement angle accuracy is low, and long term repeatability it is difficult to ensure that, and the measurement method exists
Time-consuming very long in measurement process, spectral information collecting efficiency is low, especially when measurement angle interval is lesser, measures the frequency
More, time of measuring is longer.This kind of measurement method cannot meet the needs the Fast Spectral Measurement for carrying out a large amount of multifrequency time time tests.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of point light source method for measuring space spectral radiance and measurement system
System, the present invention realize the Quick Acquisition to the spatial spectral information of point light source, and collecting efficiency is high, and measurement stability is good.
It is as follows that the present invention provides technical solution:
A kind of point light source method for measuring space spectral radiance, if including spotlight mounting seat, control centre, daylighting annulus,
Dry light guide, light guide summarize screen and plane spectral information measuring device, in which:
Tested point light source is mounted on the spotlight mounting seat, and spotlight mounting seat is mounted on the space circle of daylighting annulus
Heart point position, the light central axis of point light source is overlapped with the diametrical direction of daylighting annulus, peripherally disposed on daylighting annulus
The appropriate number of specific daylighting point of spatial coordinate location；
One light guide input terminal is installed on each daylighting point, light guide input terminal face is tested point light source, and acquisition is tested
The light that point light source issues；
Summarize that screen is upper to install light guide output end according to determining putting in order in light guide, be tested point light source sending to space
The light dissipated on direction is conducted by light guide, is summarized in light guide and is concentrated output on screen；
The front that the light guide summarizes screen is arranged in the plane spectral information measuring device, and it is upper every that acquisition light guide summarizes screen
The Spectral Radiation Information of one light guide output；
Control centre issues synchronous control signal, point light source peace to spotlight mounting seat, plane spectral information measuring device
Filling seat and driving tested point light source is the opposite daylighting annulus of axis with one using the light central axis of point light source under control centre's control
Fixed angular speed rotation, plane spectral information measuring device synchronous collection point light source in the case where control centre controls are summarized by light guide
Shield the Spectral Radiation Information of output；
Plane spectral information measuring device is according to the spatial coordinate location information of every light guide input terminal, light guide output end
Arrangement position information, the Spectral Radiation Information of every light guide output, control centre synchronically controlling information, temporal information and point
Light source velocity of rotation information, is calculated the radiation spectral data of each angle in measured light space.
Further, the daylighting annulus, several light guides, light guide summarize screen and the fixed peace of plane spectral information measuring device
On the same platform device, the daylighting annulus under control centre's control on the platform device can be with the light of point light source
Line central axis is daylighting circle diameter rotary shaft, is rotated around tested point light source with certain angular speed.
Further, the daylighting number of rings is 2, and 2 daylighting annulus are arranged in a crossed manner, the light central axis of point light source
It is overlapped with two common diametrical directions of daylighting annulus.
Further, the daylighting annulus is 360 ° of circular ring types, 180 ° of circular ring types or 90 ° of circular ring types.
Further, the diameter of the daylighting annulus can choose different sizes according to different measurement demands.
Further, the daylighting point being arranged on the daylighting annulus can choose different numbers according to different measurement demands
Amount.
A kind of point light source spatial spectral radioactivity detection, identificationm, and computation, including tested point light source, spotlight mounting seat, control centre,
Daylighting annulus, several light guides, light guide summarize screen and plane spectral information measuring device, in which:
The tested point light source is mounted on the spotlight mounting seat, and spotlight mounting seat is mounted on the sky of daylighting annulus
Between centre point position, the light central axis of point light source is overlapped with the diametrical direction of daylighting annulus, on daylighting annulus along the circumferential direction
The specific daylighting point of appropriate number of spatial coordinate location is set；
One light guide input terminal is installed, light guide input terminal face is tested point light source, and acquisition is tested on each daylighting point
The light that point light source issues；
Light guide output end is mounted on light guide according to determining putting in order and summarizes on screen, be tested that point light source issues to space
The light dissipated on direction is conducted by light guide, is summarized in light guide and is concentrated output on screen；
The front that the light guide summarizes screen is arranged in the plane spectral information measuring device, and it is upper every that acquisition light guide summarizes screen
The Spectral Radiation Information of one light guide output；
Control centre issues synchronous control signal, point light source peace to spotlight mounting seat, plane spectral information measuring device
Filling seat and driving tested point light source is the opposite daylighting annulus of axis with one using the light central axis of point light source under control centre's control
Fixed angular speed rotation, plane spectral information measuring device synchronous collection point light source in the case where control centre controls are summarized by light guide
Shield the Spectral Radiation Information of output；
Plane spectral information measuring device is according to the spatial coordinate location information of every light guide input terminal, light guide output end
Arrangement position information, the Spectral Radiation Information of every light guide output, control centre synchronically controlling information, temporal information and point
Light source velocity of rotation information, is calculated the radiation spectral data of each angle in measured light space.
Further, the daylighting annulus, several light guides, light guide summarize screen and the fixed peace of plane spectral information measuring device
On the same platform device, the daylighting annulus under control centre's control on the platform device can be with the light of point light source
Line central axis is daylighting circle diameter rotary shaft, is rotated around tested point light source with certain angular speed.
Further, the daylighting annulus is 360 ° of circular ring types, 180 ° of circular ring types or 90 ° of circular ring types.
Further, the daylighting number of rings is 2, and 2 daylighting circle perpendicular rings are arranged in a crossed manner, in the light of point light source
Mandrel is overlapped with two common diametrical directions of daylighting annulus.
The invention has the following advantages:
The present invention installs light guide input terminal in the determination position on daylighting annulus, adopts to the spectral information of point light source
Collection；When tested point light source is fixed, the spatial position of the relatively tested point light source of daylighting annulus keeps determining, on daylighting annulus
Daylighting point spatial coordinate location it is clear, therefore on daylighting annulus each daylighting point the relatively tested point light source in spatial position
Spatial position it is clear, ensure that the spatial position accuracy of measured point light source space spectra collection.
Measured point light source light spectrum on daylighting annulus at each daylighting point enters light guide by light guide input terminal, then passes through
Light guide output end summarizes the upper output spectrum information of screen in light guide, and the spectral information of light guide output end output is adopted by plane spectral equipment
Collection.Summarize on screen since light guide output end is mounted on light guide according to determining putting in order, plane spectral information measuring device can be with
Disposable acquisition light guide summarizes whole spectral informations on screen.When tested point light source is fixed, due to light guide output end
The spatial positional information of plan position information and light guide input terminal is exactly determined and is one-to-one relationship.Plane spectral
Information measuring device records the space coordinate position of every light guide input terminal while acquiring light guide output end spectral information together
The arrangement position information of confidence breath and light guide output end, plane spectral acquisition equipment, can disposably, accurately according to above- mentioned information
Calculate the spatial spectral distribution data at the daylighting point on daylighting annulus of tested point light source.
When fixed due to tested point light source, what is measured is only the spatial spectral distribution data on daylighting annulus, such as
Fruit will measure the spatial spectral distribution data in tested point light source all directions, can be by tested point light source with certain angular speed
Rotation.When rotation, according to the rotational angular velocity of measured light, rotation time, the initial phase pair of daylighting annulus and tested point light source
Position, synchronically controlling information of control centre etc. can calculate the space bit of the relatively tested point light source of any time daylighting annulus
It sets, also can be obtained by each spatial coordinate location of daylighting point at any time on daylighting annulus.Plane spectral information is surveyed
Equipment is measured while acquiring light guide output end spectral information, records the spatial coordinate location letter of every light guide input terminal together
Breath, the arrangement position information of light guide output end, the Spectral Radiation Information of every light guide output, control centre synchronously control letter
Breath, temporal information and point light source velocity of rotation information, plane spectral acquisition equipment, can be quickly and accurately according to above- mentioned information
Spatial spectral distribution data of the tested point light source at any time at the daylighting point on daylighting annulus, measured point light is calculated
Source rotates a circle, and the radiation spectral data of each angle of measured point light source space can be obtained.
In conclusion the present invention realizes the Quick Acquisition to the spatial spectral information of point light source, collecting efficiency is high, measurement
Stability is good.
Detailed description of the invention
Fig. 1 is 360 ° of daylighting annulus schematic diagrames；
Fig. 2 is the schematic diagram of point light source spatial spectral radioactivity detection, identificationm, and computation one embodiment of the invention；
Fig. 3 is the schematic diagram of another embodiment of point light source spatial spectral radioactivity detection, identificationm, and computation of the invention；
Fig. 4 is 180 ° of daylighting annulus schematic diagrames；
Fig. 5 is 90 ° of daylighting annulus schematic diagrames；
Fig. 6 is to intersect daylighting annulus schematic diagram.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
On the one hand, the embodiment of the present invention provides a kind of point light source method for measuring space spectral radiance, as shown in Figs. 1-2, packet
Include that spotlight mounting seat 2, control centre 3, daylighting annulus 4, several light guides 5, light guide summarize screen 6 and plane spectral information measurement is set
Standby 7, in which:
Tested point light source 1 is mounted on spotlight mounting seat 2, and spotlight mounting seat 2 is mounted on the space circle of daylighting annulus 4
Heart point position, the light central axis 8 of point light source are overlapped with the diametrical direction of daylighting annulus 4, along the circumferential direction set on daylighting annulus 4
Set the specific daylighting point 9 of appropriate number of spatial coordinate location；In optical term, point light source is the light for being idealized as particle
Source, point light source are not present in reality.Point light source of the invention is not the ideal point light source in optical term, and is referred to
Light bulb etc. can be approximated to be the luminous light source or lamps and lanterns of a point in reality.
Light guide 5 includes light guide input terminal 10 and light guide output end 11, and a light guide input is installed on each daylighting point 9
End 10,10 face of light guide input terminal are tested point light source 1, acquire the light that tested point light source 1 issues.
Summarize in light guide and according to determining putting in order light guide output end 11 be installed on screen 6, be tested that point light source 1 issues to
The light dissipated on direction in space is conducted by light guide 5, is summarized in light guide and is concentrated output on screen 6, and it is plane that light guide, which summarizes screen,.
The front that light guide summarizes screen 6 is arranged in plane spectral information measuring device 7, and acquisition light guide summarizes each on screen 6
The Spectral Radiation Information of light guide output.
Control centre 3 issues synchronous control signal, point light source to spotlight mounting seat 2, plane spectral information measuring device 7
It is axis with respect to daylighting circle with the light central axis 8 of point light source in the case where control centre 3 controls that mounting base 2, which drives tested point light source 1,
Ring 4 is rotated with certain angular speed, and the synchronous collection point light source in the case where control centre 3 controls of plane spectral information measuring device 7 is logical
Cross the Spectral Radiation Information that light guide summarizes 6 output of screen.
Plane spectral information measuring device 7 is exported according to the spatial coordinate location information of every light guide input terminal 10, light guide
The arrangement position information at end 11, the Spectral Radiation Information that every light guide exports, the synchronically controlling information of control centre 3, time letter
Breath and point light source velocity of rotation information, are calculated the radiation spectral data of each angle in 1 space of measured light.
For convenience of the present invention is understood, the present invention will be described when first fixed with tested point light source:
The present invention installs light guide input terminal in the determination position on daylighting annulus, adopts to the spectral information of point light source
Collection；When tested point light source is fixed, the spatial position of the relatively tested point light source of daylighting annulus keeps determining, on daylighting annulus
Daylighting point spatial coordinate location it is clear, therefore on daylighting annulus each daylighting point the relatively tested point light source in spatial position
Spatial position it is clear, ensure that the spatial position accuracy of measured point light source space spectra collection.
Measured point light source light spectrum on daylighting annulus at each daylighting point enters light guide by light guide input terminal, then passes through
Light guide output end summarizes the upper output spectrum information of screen in light guide, and the spectral information of light guide output end output is adopted by plane spectral equipment
Collection.Summarize on screen since light guide output end is mounted on light guide according to determining putting in order, plane spectral information measuring device can be with
Disposable acquisition light guide summarizes whole spectral informations on screen.When tested point light source is fixed, due to light guide output end
The spatial positional information of plan position information and light guide input terminal is exactly determined and is one-to-one relationship.Plane spectral
Information measuring device records the space coordinate position of every light guide input terminal while acquiring light guide output end spectral information together
The arrangement position information of confidence breath and light guide output end, plane spectral acquisition equipment, can disposably, accurately according to above- mentioned information
Calculate the spatial spectral distribution data at the daylighting point on daylighting annulus of tested point light source.
When fixed due to tested point light source, what is measured is only the spatial spectral distribution data on daylighting annulus, such as
Fruit will measure the spatial spectral distribution data in tested point light source all directions, can be by tested point light source with certain angular speed
Rotation.When rotation, according to the rotational angular velocity of measured light, rotation time, the initial phase pair of daylighting annulus and tested point light source
Position, synchronically controlling information of control centre etc. can calculate the space bit of the relatively tested point light source of any time daylighting annulus
It sets, also can be obtained by each spatial coordinate location of daylighting point at any time on daylighting annulus.Plane spectral information is surveyed
Equipment is measured while acquiring light guide output end spectral information, records the spatial coordinate location letter of every light guide input terminal together
Breath, the arrangement position information of light guide output end, the Spectral Radiation Information of every light guide output, control centre synchronously control letter
Breath, temporal information and point light source velocity of rotation information, plane spectral acquisition equipment, can be quickly and accurately according to above- mentioned information
Spatial spectral distribution data of the tested point light source at any time at the daylighting point on daylighting annulus, measured point light is calculated
Source rotates a circle, and the radiation spectral data of each angle of measured point light source space can be obtained.
In conclusion the present invention realizes the Quick Acquisition to the spatial spectral information of point light source, collecting efficiency is high, measurement
Stability is good.
Embodiment above-mentioned is rotated to tested point light source, can also be rotated to daylighting annulus, such as Fig. 3 institute
Show, daylighting annulus 4, several light guides 5, light guide summarize screen 6 and plane spectral information measuring device 7 is fixedly mounted on the same platform
In equipment 12, controlling the daylighting annulus 4 in lower platform equipment 12 in control centre 3 can be with the light central axis 8 of point light source
Daylighting circle diameter rotary shaft is rotated around tested point light source 1 with certain angular speed.It is empty that tested point light source can equally be measured
Between each angle radiation spectral data.
Daylighting annulus of the invention can be 360 ° of circular ring types, as long as shown in Figure 1-3, rotation 180 degree can be surveyed at this time
Measure the radiation spectral data of each angle in point light source space.Daylighting annulus may be 180 ° of circular ring types, as shown in figure 4, needing at this time
It is rotated by 360 ° the radiation spectral data of each angle of measurement point light source space.Daylighting annulus can also be 90 ° of circular ring types, such as Fig. 5
It is shown, for measuring the point light source only to shine to a direction, need to be rotated by 360 ° each angle of measurement point light source space at this time
Radiation spectral data.
As an improvement of the present invention, as shown in fig. 6,4 quantity of daylighting annulus is 2,2 intersections of daylighting annulus 4 are set
It sets, preferably cross square crossing is arranged, the light central axis 8 of point light source and the common diametrical direction weight of two daylighting annulus
It closes.The daylighting annulus of 2 square crossings can increase the spatial position of one acquisition compared to a daylighting annulus, reduce half
Rotate angle, such as 360 ° of circular ring types of two cross square crossings, it is only necessary to be rotated by 90 ° can measurement point light source space it is each
The radiation spectral data of angle.Certainly, according to actual measurement needs, greater number of daylighting annulus also can be set.
In the present invention, according to the different measurement demands of tested point light source, the diameter of daylighting annulus can choose different rulers
It is very little.The daylighting point being arranged on daylighting annulus can choose different quantity according to different measurement demands.
On the other hand, the embodiment of the present invention provides a kind of point light source spatial spectral radioactivity detection, identificationm, and computation, as shown in Fig. 2, packet
Include tested point light source 1, spotlight mounting seat 2, control centre 3, daylighting annulus 4, several light guides 5, light guide summarize screen 6 and planar light
Spectrum information measuring device 7, in which:
Tested point light source 1 is mounted on spotlight mounting seat 2, and spotlight mounting seat 2 is mounted on the space circle of daylighting annulus 4
Heart point position, the light central axis 8 of point light source are overlapped with the diametrical direction of daylighting annulus 4, along the circumferential direction set on daylighting annulus 4
Set the specific daylighting point 9 of appropriate number of spatial coordinate location；
One light guide input terminal 10 is installed, 10 face of light guide input terminal is tested point light source 1, adopts on each daylighting point 9
Collect the light that tested point light source 1 issues；
Light guide output end 11 according to determining putting in order be mounted on light guide summarize screen 6 on, be tested point light source 1 issue to
The light dissipated on direction in space is conducted by light guide 5, is summarized in light guide and is concentrated output on screen 6；
The front that light guide summarizes screen 6 is arranged in plane spectral information measuring device 7, and acquisition light guide summarizes each on screen 6
The Spectral Radiation Information of light guide output；
Control centre 3 issues synchronous control signal, point light source to spotlight mounting seat 2, plane spectral information measuring device 7
It is the opposite daylighting annulus 4 of axis with one with the light central axis 8 of point light source under control centre's control that mounting base 2, which drives point light source,
Fixed angular speed rotation, the synchronous collection point light source in the case where control centre 3 controls of plane spectral information measuring device 7 are converged by light guide
The Spectral Radiation Information of total 6 output of screen；
Plane spectral information measuring device 7 is exported according to the spatial coordinate location information of every light guide input terminal 10, light guide
The arrangement position information at end 11, the Spectral Radiation Information that every light guide exports, the synchronically controlling information of control centre 3, time letter
Breath and point light source velocity of rotation information, are calculated the radiation spectral data of each angle in 1 space of measured light.
For convenience of the present invention is understood, the present invention will be described when first fixed with tested point light source:
The present invention installs light guide input terminal in the determination position on daylighting annulus, adopts to the spectral information of point light source
Collection；When tested point light source is fixed, the spatial position of the relatively tested point light source of daylighting annulus keeps determining, on daylighting annulus
Daylighting point spatial coordinate location it is clear, therefore on daylighting annulus each daylighting point the relatively tested point light source in spatial position
Spatial position it is clear, ensure that the spatial position accuracy of measured point light source space spectra collection.
Measured point light source light spectrum on daylighting annulus at each daylighting point enters light guide by light guide input terminal, then passes through
Light guide output end summarizes the upper output spectrum information of screen in light guide, and the spectral information of light guide output end output is adopted by plane spectral equipment
Collection.Summarize on screen since light guide output end is mounted on light guide according to determining putting in order, plane spectral information measuring device can be with
Disposable acquisition light guide summarizes whole spectral informations on screen.When tested point light source is fixed, due to light guide output end
The spatial positional information of plan position information and light guide input terminal is exactly determined and is one-to-one relationship.Plane spectral
Information measuring device records the space coordinate position of every light guide input terminal while acquiring light guide output end spectral information together
The arrangement position information of confidence breath and light guide output end, plane spectral acquisition equipment, can disposably, accurately according to above- mentioned information
Calculate the spatial spectral distribution data at the daylighting point on daylighting annulus of tested point light source.
When fixed due to tested point light source, what is measured is only the spatial spectral distribution data on daylighting annulus, such as
Fruit will measure the spatial spectral distribution data in tested point light source all directions, can be by tested point light source with certain angular speed
Rotation.When rotation, according to the rotational angular velocity of measured light, rotation time, the initial phase pair of daylighting annulus and tested point light source
Position, synchronically controlling information of control centre etc. can calculate the space bit of the relatively tested point light source of any time daylighting annulus
It sets, also can be obtained by each spatial coordinate location of daylighting point at any time on daylighting annulus.Plane spectral information is surveyed
Equipment is measured while acquiring light guide output end spectral information, records the spatial coordinate location letter of every light guide input terminal together
Breath, the arrangement position information of light guide output end, the Spectral Radiation Information of every light guide output, control centre synchronously control letter
Breath, temporal information and point light source velocity of rotation information, plane spectral acquisition equipment, can be quickly and accurately according to above- mentioned information
Spatial spectral distribution data of the tested point light source at any time at the daylighting point on daylighting annulus, measured point light is calculated
Source rotates a circle, and the radiation spectral data of each angle of measured point light source space can be obtained.
In conclusion the present invention realizes the Quick Acquisition to the spatial spectral information of point light source, collecting efficiency is high, measurement
Stability is good.
Embodiment above-mentioned is rotated to tested point light source, can also be rotated to daylighting annulus, such as Fig. 3 institute
Show, daylighting annulus 4, several light guides 5, light guide summarize screen 6 and plane spectral information measuring device 7 is fixedly mounted on the same platform
In equipment 12, controlling the daylighting annulus 4 in lower platform equipment 12 in control centre 3 can be with the light central axis 8 of point light source
Daylighting circle diameter rotary shaft is rotated around tested point light source 1 with certain angular speed.It is empty that tested point light source can equally be measured
Between each angle radiation spectral data.
Daylighting annulus of the invention can be 360 ° of circular ring types, as long as shown in Figure 1-3, rotation 180 degree can be surveyed at this time
Measure the radiation spectral data of each angle in point light source space.Daylighting annulus may be 180 ° of circular ring types, as shown in figure 4, needing at this time
It is rotated by 360 ° the radiation spectral data of each angle of measurement point light source space.Daylighting annulus can also be 90 ° of circular ring types, such as Fig. 5
It is shown, for measuring the point light source only to shine to a direction, need to be rotated by 360 ° each angle of measurement point light source space at this time
Radiation spectral data.
As an improvement of the present invention, as shown in fig. 6,4 quantity of daylighting annulus is 2,2 daylighting annulus 4 are vertically handed over
Fork setting, the light central axis 8 of point light source are overlapped with two common diametrical directions of daylighting annulus.The daylighting of 2 square crossings
Annulus can increase the spatial position of one acquisition compared to a daylighting annulus, reduce the rotation angle of half, such as two ten
360 ° of circular ring types of word square crossing, it is only necessary to be rotated by 90 ° can each angle of measurement point light source space radiation spectral data.
Certainly, according to actual measurement needs, greater number of daylighting annulus also can be set.
In the present invention, according to the different measurement demands of tested point light source, the diameter of daylighting annulus can choose different rulers
It is very little.The daylighting point being arranged on daylighting annulus can choose different quantity according to different measurement demands.
It is the preferred embodiment of the present invention above, it is noted that for those skilled in the art,
Without departing from the principle of the present invention, it can also make several improvements and retouch, these improvements and modifications also should be regarded as this
The protection scope of invention.
Claims (10)
1. a kind of point light source method for measuring space spectral radiance, which is characterized in that including spotlight mounting seat, control centre, adopt
Light annulus, several light guides, light guide summarize screen and plane spectral information measuring device, in which:
Tested point light source is mounted on the spotlight mounting seat, and spotlight mounting seat is mounted on the space centre point of daylighting annulus
The light central axis of position, point light source is overlapped with the diametrical direction of daylighting annulus, peripherally disposed suitable on daylighting annulus
The specific daylighting point of the spatial coordinate location of quantity；
One light guide input terminal is installed on each daylighting point, light guide input terminal face is tested point light source, acquires measured point light
The light that source issues；
Summarize that screen is upper to install light guide output end according to determining putting in order in light guide, be tested point light source sending to direction in space
The light of upper diverging is conducted by light guide, is summarized in light guide and is concentrated output on screen；
The front that the light guide summarizes screen is arranged in the plane spectral information measuring device, and acquisition light guide summarizes the upper each of screen
The Spectral Radiation Information of light guide output；
Control centre issues synchronous control signal, spotlight mounting seat to spotlight mounting seat, plane spectral information measuring device
Driving tested point light source is the opposite daylighting annulus of axis with certain using the light central axis of point light source under control centre's control
Angular speed rotation, plane spectral information measuring device synchronous collection point light source in the case where control centre controls summarized by light guide shield it is defeated
Spectral Radiation Information out；
Arrangement of the plane spectral information measuring device according to the spatial coordinate location information, light guide output end of every light guide input terminal
Location information, the Spectral Radiation Information of every light guide output, control centre synchronically controlling information, temporal information and point light source
The radiation spectral data of each angle in measured light space is calculated in velocity of rotation information.
2. a kind of point light source method for measuring space spectral radiance according to claim 1, which is characterized in that the daylighting circle
Ring, several light guides, light guide summarize screen and plane spectral information measuring device is fixedly mounted on the same platform device, are controlling
Daylighting annulus under the control of center on the platform device can be rotated by daylighting circle diameter of the light central axis of point light source
Axis is rotated around tested point light source with certain angular speed.
3. according to claim 1 or a kind of point light source method for measuring space spectral radiance as claimed in claim 2, feature exist
In the daylighting number of rings is 2, and 2 daylighting annulus are arranged in a crossed manner, the light central axis of point light source and two daylighting annulus
Common diametrical direction is overlapped.
4. according to claim 1 or a kind of point light source method for measuring space spectral radiance as claimed in claim 2, feature exist
In the daylighting annulus is 360 ° of circular ring types, 180 ° of circular ring types or 90 ° of circular ring types.
5. according to claim 1 or a kind of point light source method for measuring space spectral radiance as claimed in claim 2, feature exist
In, the daylighting annulus diameter can different measurement demands choose different sizes.
6. according to claim 1 or a kind of point light source method for measuring space spectral radiance as claimed in claim 2, feature exist
In the daylighting point being arranged on the daylighting annulus can choose different quantity according to different measurement demands is put.
7. a kind of point light source spatial spectral radioactivity detection, identificationm, and computation, which is characterized in that including tested point light source, spotlight mounting seat,
Control centre, daylighting annulus, several light guides, light guide summarize screen and plane spectral information measuring device, in which:
The tested point light source is mounted on the spotlight mounting seat, and spotlight mounting seat is mounted on the space circle of daylighting annulus
Heart point position, the light central axis of point light source is overlapped with the diametrical direction of daylighting annulus, peripherally disposed on daylighting annulus
The appropriate number of specific daylighting point of spatial coordinate location；
One light guide input terminal is installed, light guide input terminal face is tested point light source, acquires measured point light on each daylighting point
The light that source issues；
Light guide output end is mounted on light guide according to determining putting in order and summarizes on screen, be tested that point light source issues to direction in space
The light of upper diverging is conducted by light guide, is summarized in light guide and is concentrated output on screen；
The front that the light guide summarizes screen is arranged in the plane spectral information measuring device, and acquisition light guide summarizes the upper each of screen
The Spectral Radiation Information of light guide output；
Control centre issues synchronous control signal, spotlight mounting seat to spotlight mounting seat, plane spectral information measuring device
Driving tested point light source is the opposite daylighting annulus of axis with certain using the light central axis of point light source under control centre's control
Angular speed rotation, plane spectral information measuring device synchronous collection point light source in the case where control centre controls summarized by light guide shield it is defeated
Spectral Radiation Information out；
Arrangement of the plane spectral information measuring device according to the spatial coordinate location information, light guide output end of every light guide input terminal
Location information, the Spectral Radiation Information of every light guide output, control centre synchronically controlling information, temporal information and point light source
The radiation spectral data of each angle in measured light space is calculated in velocity of rotation information.
8. a kind of point light source spatial spectral radioactivity detection, identificationm, and computation according to claim 7, which is characterized in that the daylighting circle
Ring, several light guides, light guide summarize screen and plane spectral information measuring device is fixedly mounted on the same platform device, are controlling
Daylighting annulus under the control of center on the platform device can be rotated by daylighting circle diameter of the light central axis of point light source
Axis is rotated around tested point light source with certain angular speed.
9. being existed according to claim 7 or a kind of point light source spatial spectral radioactivity detection, identificationm, and computation according to any one of claims 8, feature
In the daylighting annulus is 360 ° of circular ring types, 180 ° of circular ring types or 90 ° of circular ring types.
10. being existed according to claim 7 or a kind of point light source spatial spectral radioactivity detection, identificationm, and computation according to any one of claims 8, feature
In the daylighting number of rings is 2,2 daylighting annulus square crossing settings, the light central axis of point light source and two daylightings
The common diametrical direction of annulus is overlapped.
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Application publication date: 20190412 |