CN107727229A - A kind of attachment means of luminous flux detection and the detection method using the attachment means - Google Patents
A kind of attachment means of luminous flux detection and the detection method using the attachment means Download PDFInfo
- Publication number
- CN107727229A CN107727229A CN201610662607.5A CN201610662607A CN107727229A CN 107727229 A CN107727229 A CN 107727229A CN 201610662607 A CN201610662607 A CN 201610662607A CN 107727229 A CN107727229 A CN 107727229A
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- Prior art keywords
- light source
- integrating sphere
- fixed component
- attachment means
- laser light
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- 230000004907 flux Effects 0.000 title claims abstract description 36
- 238000001514 detection method Methods 0.000 title claims abstract description 30
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 238000002310 reflectometry Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 7
- 230000010354 integration Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007716 flux method Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/4209—Photoelectric exposure meters for determining the exposure time in recording or reproducing
-
- 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
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0403—Mechanical elements; Supports for optical elements; Scanning arrangements
Abstract
The present invention relates to laser display field, the attachment means of more particularly to a kind of luminous flux detection and the detection method using the attachment means, error is larger caused by light leak during solving the problems, such as in the prior art to detect LASER Light Source luminous flux.The attachment means of the present invention include：Light source fixed component and integrating sphere fixed component；One end of light source fixed component is connected with LASER Light Source exit end, and the other end is connected with integrating sphere fixed component；Integrating sphere fixed component is used for the incidence end that attachment means are fixed on to integrating sphere；There is first through hole inside light source fixed component；Integrating sphere fixed component has the second through hole, and first through hole overlaps with the central axis of the second through hole.Attachment means provided in an embodiment of the present invention enable to the exit end junction of LASER Light Source and the incidence end junction not light leak of integrating sphere, and light leakage phenomena when laser luminous flux detects is avoided so that the measurement accuracy of LASER Light Source luminous flux is improved.
Description
Technical field
The present invention relates to laser display field, the attachment means of more particularly to a kind of luminous flux detection and filled using the connection
The detection method put.
Background technology
The method of existing detection luminous flux of light source, which mainly has, to be placed on the measurement of integration ball center by light source and is placed on integration
Ball side measures two methods.In general conventional light source lights in full solid angle, and it is direct that light source is placed on into integration ball center
Test is lighted, and the light source in laser television has scrambling, if light source is positioned in integrating sphere, due to light source sheet
Body product is big, and also carries lighting auxiliary member such as power line, fixed seat patch bay etc., on the one hand electrically connects complexity and improves,
Meanwhile absorption and reflex of the surrounding structure part to light can destroy the environmental condition of product of ideal bulb separation, measurement is brought to miss
Difference, therefore traditional integration ball center mensuration is not suitable for LASER Light Source.
In summary, detection mistiming is carried out to the luminous flux of LASER Light Source using the detection method of current luminous flux of light source
Difference is larger, so as to cause measurement result not accurate enough.
The content of the invention
The present invention provides a kind of attachment means of luminous flux detection and the detection method using the attachment means, to solve
The problem of being directed to the luminous flux detection result inaccuracy of LASER Light Source in the prior art.
A kind of attachment means of luminous flux detection provided in an embodiment of the present invention, including light source fixed component and integrating sphere are consolidated
Determine part；
One end of light source fixed component is connected with LASER Light Source exit end, and the other end connects with the integrating sphere fixed component
Connect；
Integrating sphere fixed component is used for the incidence end that the attachment means are fixed on to integrating sphere；
There is first through hole inside light source fixed component, there is the second through hole, and first inside integrating sphere fixed component
Through hole overlaps with the central axis of the second through hole, so that LASER Light Source injects the integration by first through hole and the second through hole
The incidence end of ball.
To swash because the luminous flux for using existing apparatus detection LASER Light Source needs to be open in integrating sphere side opening one
Light light injects integrating sphere, but because opening size is excessive, light leakage phenomena is more serious, and measurement result is not accurate enough.
A kind of one end of the attachment means of luminous flux detection provided in an embodiment of the present invention can closely connect LASER Light Source
Exit end, the other end can closely connect the incidence end of integrating sphere so that laser beam can not light leak from LASER Light Source
Exit end and pass through the incidence end that the first through hole inside the attachment means and the second through hole inject integrating sphere, laser light
Light leakage phenomena when line detects is avoided so that the measurement accuracy of LASER Light Source luminous flux is improved.
The method that a kind of attachment means using LASER Light Source luminous flux detection that the present embodiment provides determine luminous flux, bag
Include：
Detector determines target light exposure duration according to the exposure time set by LASER Light Source working frequency；
The detector is exposed to the laser beam of integrating sphere output end, obtained according to the target light exposure duration
For determining the light source information of luminous flux.
A kind of attachment means using LASER Light Source luminous flux detection provided in an embodiment of the present invention determine the side of luminous flux
Method can utilize the attachment means of LASER Light Source luminous flux detection so that light leakage phenomena when laser beam detects is avoided.
In addition, the embodiment of the present invention, which can be directed to LASER Light Source, determines suitable exposure time.On this condition, detector is according to determination
Exposure time laser beam is exposed, can more precisely obtain for determine LASER Light Source luminous flux light source believe
Breath, improve the measurement accuracy of LASER Light Source luminous flux.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly introduced, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill in field, without having to pay creative labor, it can also be obtained according to these accompanying drawings
His accompanying drawing.
Fig. 1 is the side view of attachment means of the embodiment of the present invention；
Fig. 2 is the oblique view of attachment means light source fixed component of embodiment of the present invention side；
Fig. 3 is the oblique view of attachment means integrating sphere fixed component of embodiment of the present invention side；
Fig. 4 is that the embodiment of the present invention uses a kind of detection method schematic diagram of the attachment means of luminous flux detection；
Fig. 5 is the equipment connecting relation schematic diagram that the embodiment of the present invention detects LASER Light Source luminous flux.
Embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, the present invention is made below in conjunction with accompanying drawing into
One step it is described in detail, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole implementation
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
All other embodiment, belongs to the scope of protection of the invention.
The embodiment of the present invention is described in further detail with reference to Figure of description.
As shown in figure 1, the embodiments of the invention provide a kind of attachment means of luminous flux detection, including light source fixed component
101 and integrating sphere fixed component 102；
The one end of light source fixed component 101 is connected with LASER Light Source exit end, the other end and the integrating sphere fixed component 102
Connection；
Integrating sphere fixed component 102 is used for the incidence end that the attachment means are fixed on to integrating sphere；
Wherein as shown in Fig. 2 the inside of light source fixed component 101 has first through hole 201.As shown in figure 3, integrating sphere is fixed
The inside of part 102 has the second through hole 301.
Wherein, first through hole 201 overlaps with the central axis of the second through hole 301, so that LASER Light Source passes through first through hole
And second through hole inject the incidence end of the integrating sphere.
Alternatively, light source fixed component 101 connects as one with integrating sphere fixed component 102, to ensure light source fixed part
Junction between part 101 and integrating sphere fixed component 102 not light leak.
Alternatively, light source fixed component 101 passes through the attachment structure and LASER Light Source that match with LASER Light Source exit end
Exit end connects.
Because LASER Light Source exit end may have a variety of different mechanisms, in fixed component 101 with light source exit end phase
The attachment structure of matching may also have a variety of：
As shown in Fig. 2 the attachment structure in light source fixed component 101 can include the projection of cylindrical protrusions 202, first
203 and second projection 204.Wherein, cylindrical protrusions 202 are located on a side of light source fixed component 101, for inserting
The groove structure that LASER Light Source exit end matches；Along the light source fixed component 101 beyond the place side of cylindrical protrusions 202
Three sides, extension form the first projection 203, for ensureing the stable connection with LASER Light Source exit end；With cylindrical protrusions
202 relative the extending sideways in place side to form the second projection 204, and the second projection 204 has groove 205, to insert laser
The bulge-structure that light source exit end matches.The above-mentioned attachment structure of light source fixed component 101 can be to the laser light that matches
Source exit end is closely connected, to ensure junction not light leak.
For the plug-in round fiber joint that LASER Light Source exit end is common, half revolution has a card after plug insertion
Mouth is fixed, and light source fixed component 101 can have matched circular buckle structure, to realize light source fixed component 101
Close connection with LASER Light Source exit end and not light leak.
In addition, for the common screw cap type round fiber joint of LASER Light Source exit end, the plug has a nut structure,
Light source fixed component 101 can have matched round nut structure, to realize light source fixed component 101 and laser light
The close connection of source exit end and not light leak.
Attachment structure in above-mentioned light source fixed component 101 is merely illustrative, as long as light source fixed component can be realized
101 can be applied to the embodiment of the present invention with the lighttight attachment structure in junction of LASER Light Source exit end.
Alternatively, the not light leak of the junction between integrating sphere fixed component 102 and the incidence end of integrating sphere.
Illustrate the possibility structure of integrating sphere fixed component 102 below：
Such as shown in Fig. 3, integrating sphere fixed component 102 has circular lid-like, and the lid-like is by round bottom 302 and outside
Wall 303 is formed, and integrating sphere fixed component 102 can be buckled on circular inner wall raised at the incidence end of integrating sphere outside, circle wall 303
Inner side be mutually close to circular inner wall outer surface possessed by integrating sphere.Outer wall 303 has some screws 304, for leading to
Cross screw outer wall 303 is fixed with circular inner wall, so that the junction between integrating sphere fixed component 102 and integrating sphere is not
Light leak.
In addition, for having the circular protrusions inwall of the incidence end of externally threaded integrating sphere, fixed component in outer surface
102 inner surface of outer wall 303 can have the female thread structure to match with the external screw thread, so that integrating sphere fixed component
102 are tightly fastened and not light leak with the incidence end of integrating sphere.
The structure of above-mentioned integrating sphere fixed component 102 is merely illustrative, as long as integrating sphere fixed component 102 can be realized
Closely it is connected with integrating sphere and the structure of lighttight fixed component 102 can be applied to the embodiment of the present invention.
Alternatively, the inner surface of 201 and second through hole of first through hole 301 is coated with and integrating sphere inner surface identical reflects
Layer.
Alternatively, the inner surface of integrating sphere fixed component 102 is coated with and integrating sphere inner surface identical reflecting layer.
In the embodiment of the present invention, in first through hole 201, the inner surface of the second through hole 301 and integrating sphere fixed component 102
Inner surface, including round bottom 302 and circle wall 303 inner surface be each coated with integrating sphere inner surface identical reflecting layer, with
Ensure there is a relatively complete diffusing reflection environment inside integrating sphere, so that laser beam carries out non-uniform reflection, reduce laser light
The reflection loss of line.
Alternatively, coated reflecting layer is high reflectivity coating.
Wherein, high reflectivity coating is that the coating formed is coated by highly reflective material, and its reflectivity to light should reach
To more than 98%.The reflecting layer of common integrating sphere inwall, which has, applies sour barium coating, poem Belém coating etc..The embodiment of the present invention can adopt
By the use of barium sulfate coating, poem Belém coating etc. as high reflectivity coating material, to minimize damage of the light in reflection
Consumption, and cause light to carry out uniform diffusing reflection in integrating sphere, be advantageous to the accuracy of light testing result.
As shown in figure 4, the embodiment of the present invention additionally provides a kind of detection method using above-mentioned attachment means, including：
Step 401：Detector determines target light exposure duration according to the exposure time set by LASER Light Source working frequency；
Step 402：The detector exposes according to the target light exposure duration to the laser beam of integrating sphere output end
Light, obtain the light source information for determining luminous flux.
In embodiments of the present invention, it is necessary to connect LASER Light Source using attachment means as shown in Figure 1, and by LASER Light Source
The incidence end of integrating sphere is fixed on by the attachment means, opens LASER Light Source so that laser beam is incided in integrating sphere.This
Afterwards, the detection to LASER Light Source information is completed by step 401 and step 402.
The annexation of each equipment in the LASER Light Source luminous flux detection method of present invention implementation offer is provided with Fig. 5：
LASER Light Source and integration are connected using a kind of attachment means 502 of luminous flux detection provided in an embodiment of the present invention
Ball.
Wherein, one end of attachment means 502 is connected by light source fixed component 101 with the exit end of LASER Light Source 501,
The other end is connected by integrating sphere fixed component 102 with the incidence end of integrating sphere 503, and now laser beam is from LASER Light Source
After 501 exit end projects, integrating sphere will be injected into by the through hole 301 of first through hole 201 and second inside attachment means 502
It is internal.
In addition, the exit end connection detector 504 of integrating sphere 503, detector 504 are connected with spectrometer 505, are injected into
Laser beam inside integrating sphere is used for after non-uniform reflection, by detector 504 in integrating sphere exit end by exposing collection
Determine the LASER Light Source information of luminous flux.
Alternatively, the target light exposure duration in the embodiment of the present invention is the integral multiple of LASER Light Source work period, so as to expose
The LASER Light Source information that light obtains is the light source information in the integer complete LASER Light Source work period, improves the accurate of detection
Degree.
Such as during for working frequency 120Hz LASER Light Source, its work period is 8.33ms, can be by 3 times of 8.33ms
As target light exposure duration, so as to which the light source information in 3 complete LASER Light Source cycles can be obtained through overexposure, to ensure
Testing result it is accurate.
Alternatively, the detector in step 401 determines target according to the exposure time set by LASER Light Source working frequency
Exposure time, including：
Detector can using by the exposure time that LASER Light Source working frequency is set as target light exposure duration；Or
Detector can be adjusted according to exposure cycle number to the exposure time set by LASER Light Source working frequency, will
Exposure time after adjustment is as target light exposure duration.
There is a variety of the mode of determination target light exposure duration, be exemplified below several with explanation in the embodiment of the present invention：
Mode one, using by the exposure time that LASER Light Source working frequency is set as target light exposure duration.Such as work
Working frequency is 120Hz LASER Light Source, and the work period of LASER Light Source is 8.33ms, can be using 8.33ms as during target light exposure
Length is exposed to laser beam, to gather the light source information in a light source works cycle.
Mode two, if necessary to carry out time exposure to gather the light source information in multiple LASER Light Source work periods,
The exposure time set by LASER Light Source working frequency can be adjusted according to exposure cycle number, during by exposure after adjustment
Length is used as target light exposure duration.Such as it is for the LASER Light Source that working frequency is 120Hz, the work period of LASER Light Source
8.33ms, can be using 8.33mm integral multiple as target light exposure duration, to gather the light source in the integer light source works cycle
Information.
The determination mode of above-mentioned target light exposure duration is merely illustrative, as long as mesh can be determined by exposure time
The mode of mark exposure time can be applied to the embodiment of the present invention.
Alternatively, because the brightness change of LASER Light Source can cause some integral multiple durations of LASER Light Source work period not
Target light exposure duration is suitably used as again, and the situation for can not accurately know target light exposure duration can according to LASER Light Source
The brightness range of energy selects a matched automatic exposure duration, and selects closest with the automatic exposure duration
The integral multiple of LASER Light Source work period is exposed as target light exposure duration.
For example, for the LASER Light Source that working frequency is 120Hz, the work period of LASER Light Source is 8.33ms, and light source is bright
It is probably 3000~5000 lumens to spend scope, a length of 30ms during automatic exposure corresponding to the brightness range, if can not accurately obtain
Know suitable target light exposure duration, the integer of the LASER Light Source work period closest with the automatic exposure duration can be selected
Both 33.32 (8.33*4) ms were as target light exposure duration for times duration, to detect accurate light source information.
Alternatively, after detector obtains the light source information for determining luminous flux, light source information is transferred to spectrometer,
So that spectrometer determines luminous flux according to the light source information.
In the embodiment of the present invention, after detector obtains LASER Light Source information after testing, the LASER Light Source information transfer is given
Spectrometer, the target light exposure duration that spectrometer is exposed according to detector are integrated to the LASER Light Source information, can obtained
To the numerical information of LASER Light Source luminous flux.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (10)
1. a kind of attachment means of luminous flux detection, it is characterised in that the device includes：Light source fixed component and integrating sphere are fixed
Part；
One end of the light source fixed component is connected with LASER Light Source exit end, and the other end connects with the integrating sphere fixed component
Connect；
The integrating sphere fixed component is used for the incidence end that the attachment means are fixed on to integrating sphere；
There is first through hole inside the light source fixed component；The integrating sphere fixed component has the second through hole, and described
First through hole overlaps with the central axis of second through hole, so that LASER Light Source passes through the first through hole and described second
Through hole injects the incidence end of the integrating sphere.
2. attachment means as claimed in claim 1, it is characterised in that the light source fixed component with LASER Light Source by being emitted
The attachment structure to match is held to be connected with LASER Light Source exit end.
3. attachment means as claimed in claim 1, it is characterised in that the company between the integrating sphere fixed component and integrating sphere
Connect place's not light leak.
4. attachment means as claimed in claim 1, it is characterised in that the first through hole and second through-hole inner surface
Coated with integrating sphere inner surface identical reflecting layer.
5. attachment means as claimed in claim 1, it is characterised in that the integrating sphere fixed component inner surface is coated with and accumulated
Bulb separation inner surface identical reflecting layer.
6. attachment means as claimed in claim 5, it is characterised in that the reflecting layer is high reflectivity coating.
7. a kind of detection method using any attachment means of claim 1~6, it is characterised in that this method includes：
Detector determines target light exposure duration according to the exposure time set by LASER Light Source working frequency；
The detector is exposed to the laser beam of integrating sphere output end, is used for according to the target light exposure duration
Determine the light source information of luminous flux.
8. method as claimed in claim 7, it is characterised in that the target light exposure duration is the whole of LASER Light Source work period
Several times.
9. method as claimed in claim 7, it is characterised in that the detector is according to being set by LASER Light Source working frequency
Exposure time, target light exposure duration is determined, including：
The detector using by the exposure time that LASER Light Source working frequency is set as target light exposure duration；Or
The detector is adjusted according to exposure cycle number to the exposure time set by LASER Light Source working frequency, will be adjusted
Exposure time afterwards is as target light exposure duration.
10. method as claimed in claim 7, it is characterised in that the light source that the detector obtains for determining luminous flux is believed
After breath, in addition to：
The light source information is transferred to spectrometer by the detector, so that spectrometer determines that light leads to according to the light source information
Amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610662607.5A CN107727229A (en) | 2016-08-11 | 2016-08-11 | A kind of attachment means of luminous flux detection and the detection method using the attachment means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610662607.5A CN107727229A (en) | 2016-08-11 | 2016-08-11 | A kind of attachment means of luminous flux detection and the detection method using the attachment means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107727229A true CN107727229A (en) | 2018-02-23 |
Family
ID=61200938
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610662607.5A Pending CN107727229A (en) | 2016-08-11 | 2016-08-11 | A kind of attachment means of luminous flux detection and the detection method using the attachment means |
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| Country | Link |
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| CN (1) | CN107727229A (en) |
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| CN113049821A (en) * | 2021-03-02 | 2021-06-29 | 汕头大学 | Cancer marker detection device |
| CN113532637A (en) * | 2020-04-20 | 2021-10-22 | 山东华光光电子股份有限公司 | Adapter capable of monitoring numerical aperture and power of light spot and manufacturing and using method thereof |
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| CN113532637A (en) * | 2020-04-20 | 2021-10-22 | 山东华光光电子股份有限公司 | Adapter capable of monitoring numerical aperture and power of light spot and manufacturing and using method thereof |
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Application publication date: 20180223 |