CN206920114U - Three-in-one multifunctional integrating sphere light source - Google Patents
Three-in-one multifunctional integrating sphere light source Download PDFInfo
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- CN206920114U CN206920114U CN201721128445.3U CN201721128445U CN206920114U CN 206920114 U CN206920114 U CN 206920114U CN 201721128445 U CN201721128445 U CN 201721128445U CN 206920114 U CN206920114 U CN 206920114U
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- light source
- integrating sphere
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- tungsten filament
- filament lamp
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Abstract
Three-in-one multifunctional integrating sphere light source, applied to optical camera calibration and testing field, in order to solve the problems, such as that it is low that optical camera calibration efficiency is low, spectral calibration pixel number is few in the prior art, color calibration is only limitted to 24 colors, color calibration precision, bromine tungsten filament lamp light source assembly, LED light source component, tunable light source component, spectral radiometer, it is respectively installed on integration global shell first half ball；Power supply is connected with bromine tungsten filament lamp light source assembly, LED light source component and tunable light source component respectively；Control unit is connected with each other with tunable light source component and power supply；Main control computer is connected with each other with spectral radiometer and control unit respectively；For the integrating sphere light source compared with three kinds of current scaling systems, optical camera completes three kinds of calibrations in one of the states, improves optical camera calibration efficiency, realizes the spectral calibration of whole pixels, more than the color calibration of 60 kinds of colors, improves color calibration precision.Realize the maximization of optical camera calibration interests.
Description
Technical field
It the utility model is related to a kind of radiation calibration, spectral calibration and color of collecting and be scaled to integral three-in-one multifunctional product
Bulb separation light source, applied to optical camera calibration and testing field.
Background technology
Optical camera is calibrated by radiation calibration, spectral calibration and color, obtains rdaiation response degree, dynamic range, noise
Than, the parameter such as response homogeneity, spectral responsivity, spectral response range, color correction coefficient, by the application of above parameter,
The imaging capability of camera can be obviously improved.
The completion of 3 covering devices is respectively adopted in the radiation calibration of optical camera, spectral calibration and color calibration at present.Radiation calibration
Completed using integrating sphere light source, the integrating sphere light source is typically with more bromine tungsten filament lamps, more xenon lamps, adjustable bromine tungsten filament lamp light source or adjustable
Xenon source forms, and be characterized in integrating sphere light source output is the radiating light source with continuous spectrum.Spectral calibration is typically adopted
The robot scaling equipment combined with monochromator with colimated light system, can only typically spectral calibration be carried out to part pixel, and can not complete pair
The spectral calibration of whole pixels.Color calibration typically completes calibration using 24 colour standard colour table methods, and this method the calibration results are with adopting
Lighting source is related, and the species of color is only limitted to 24 colors, and color calibration precision is low.Optical camera is in whole calibration processes
In need to be respectively aligned to 3 complete equipments, calibration efficiency is low, and is only capable of completing spectral calibration, the color of part pixel in calibration process
Species is only limitted to 24 colors.
Utility model content
Optical camera calibration efficiency is low, spectral calibration pixel number is few, color in order to solve in the prior art for the utility model
The problem of calibration is only limitted to 24 colors, color calibration precision is low, there is provided one kind collection radiation calibration, spectral calibration and color are scaled to one
The integrating sphere light source of body.The integrating sphere light source increases the LED of multi-wavelength on the basis of original radiation calibration integrating sphere light source
Light source, it is possessed three kinds of scaling functions in one, improve calibration efficiency, the spectral calibration of whole pixels is realized, more than 60 kinds
Color is calibrated, improves color calibration precision.
The utility model solve technical problem scheme be：
Three-in-one multifunctional integrating sphere light source, including integration global shell, bromine tungsten filament lamp light source assembly, LED light source component is adjustable
Light source assembly, spectral radiometer, power supply, control unit and main control computer, it is characterized in that, bromine tungsten filament lamp light source assembly, LED
Light source assembly, tunable light source component, spectral radiometer, it is respectively installed on integration global shell first half ball；Power supply respectively with
Bromine tungsten filament lamp light source assembly, LED light source component connect with tunable light source component；Control unit and tunable light source component and power supply
It is connected with each other；Main control computer is connected with each other with spectral radiometer and control unit respectively.
Main control computer sends communication transfer control instruction, and control unit controls power supply after receiving control instruction,
Power supply switchs the light source in bromine tungsten filament lamp light source assembly, LED light source component and tunable light source component respectively；Control unit receives
The light bar motion of tunable light source component is controlled after to control instruction, the radiation flux in integrating sphere is incided in regulation, with bromine tungsten filament lamp
Light source assembly combination realizes that various levels of brightness grade exports；The main control computer control real-time acquired integrated ball light source of spectral radiometer is defeated
The spectral radiance and colouring information gone out, Standard Ratio brightness and Standard Colors numerical value are provided for optical camera calibration.
Global shell is integrated, it includes integrating sphere spherical cavity, integrating sphere support frame, integrating sphere light source opening, multiple bromine tungsten
Light source module mounting hole, multiple LED light source component mounting holes, spectral radiometer mounting hole and tunable light source component mounting hole；
Integrating sphere support frame, it is connected in the junction of former and later two hemisphere with integrating sphere spherical cavity, and ball is integrated for supporting；
Light source opening is integrated, it is located at the front end of preceding hemisphere, and perpendicular to the ground；Bromine tungsten filament lamp light source mounting hole, it is that preceding hemisphere is remote
From the position of integration light source opening, multiple bromine tungsten filament lamp light source mounting holes are uniformly distributed along circular arc, for installing bromine tungsten filament lamp light source group
Part；Between bromine tungsten filament lamp light source mounting hole and integrating sphere opening, multiple LED light source component mounting holes are uniformly distributed along circular arc, are used
In installation LED light source component；Spectral radiometer mounting hole is arranged close to the position of integrating sphere light-emitting window；Tunable light source component is pacified
The lower end that hole is arranged on the preceding hemisphere of integrating sphere is filled, for installing tunable light source component.
The high diffusing reflection rate coating such as integrating sphere spherical cavity, its inner surface spraying barium sulfate.
Integrating sphere support frame is that U-shaped supporting construction is made by aluminium section bar.
The opening diameter for integrating light source opening is 600mm.
The beneficial effects of the utility model are：
The integrating sphere light source increases the LED light source with multi-wavelength on the basis of original radiation calibration integrating sphere light source
Component, it is possessed radiation calibration, spectral calibration and color and calibrate three kinds of functions in the integrating sphere light source of one, with current three
Kind scaling system is compared, and optical camera completes three kinds of calibrations in one of the states, is improved optical camera calibration efficiency, is realized whole
The spectral calibration of pixel, more than the color calibration of 60 kinds of colors, improve color calibration precision.Realize optical camera calibration interests
Maximize.
Brief description of the drawings
Fig. 1 is the utility model three-in-one multifunctional integrating sphere light source composition schematic diagram.
Fig. 2 is the utility model integrating sphere body diagram.
Embodiment
The utility model is described in further details below in conjunction with the accompanying drawings.
As shown in figure 1, three-in-one multifunctional integrating sphere light source, including integration global shell 1, bromine tungsten filament lamp light source assembly 2, LED
Light source assembly 3, tunable light source component 4, spectral radiometer 5, power supply 6, control unit 7 and main control computer 8.
Bromine tungsten filament lamp light source assembly 2, LED light source component 3, tunable light source component 4, spectral radiometer 5, are respectively installed to integration
Before global shell 1 corresponding to hemisphere in mounting hole.
Power supply 6 is connected with bromine tungsten filament lamp light source assembly 2, LED light source component 3 and tunable light source component 4 respectively.Power supply electricity
Source 6 is connected with control unit 7.Control unit 7 is connected with tunable light source component 4.
Main control computer 8 is connected with spectral radiometer 5.Main control computer 8 is connected with control unit 7.
Main control computer 8 sends communication transfer control instruction, and control unit 7 controls power supply after receiving control instruction
6, switch bromine tungsten filament lamp light source assembly 2, LED light source component 3 respectively, the bromine tungsten filament lamp light source in tunable light source component 4.Main control computer
8 with control unit 7 by communication transfer control instruction, control unit 7, which receives, controls tunable light source component 4 after control instruction
Light bar is moved, and the radiation flux in integrating sphere is incided in regulation, is combined with bromine tungsten filament lamp light source assembly 2 and realizes that various levels of brightness grade is defeated
Go out.Main control computer 8 controls the spectral radiance and colouring information of the real-time acquired integrated ball light source output of spectral radiometer 5,
Standard Ratio brightness and Standard Colors numerical value are provided for optical camera calibration.
It is hollow spheroid as shown in Fig. 2 three-in-one multifunctional integrating sphere light source housing 1, including integrating sphere spherical cavity
1-1, integrating sphere support frame 1-2, integrating sphere light source opening 1-3, multiple bromine tungsten filament lamp light source assembly mounting hole 1-4, multiple LED light sources
Component mounting hole 1-5, spectral radiometer mounting hole 1-6, tunable light source component mounting hole 1-7.All aperture areas are less than integration
The 5% of ball inner surface area.
The high diffusing reflection rate coating such as integrating sphere spherical cavity 1-1, spheroid internal diameter 2.0m, inner surface spraying barium sulfate.Integration
Ball support frame 1-2, it is that U-shaped supporting construction is made by aluminium section bar, screw and integrating sphere is utilized in the junction of former and later two hemisphere
Spherical cavity 1-1 connections, ball is integrated for supporting.Integration light source opening 1-3 is located at the front end of preceding hemisphere, opening diameter
600mm, it is perpendicular to the ground.Bromine tungsten filament lamp light source assembly mounting hole 1-4, the position of mouth is kept away for preceding hemisphere, is uniformly divided along circular arc
40 bromine tungsten filament lamp light source assembly mounting hole 1-4 of cloth, for installing bromine tungsten filament lamp light source, bromine tungsten filament lamp light source assembly 2 is screwed
On bromine tungsten filament lamp light source mounting hole 1-4.It is equal along circular arc between bromine tungsten filament lamp light source assembly mounting hole 1-4 and integrating sphere opening 1-3
30 LED light source component mounting holes of even distribution are used to install LED light source component 3, also with screw connection, convenient installation and more
Change.Spectral radiometer mounting hole 1-6 is arranged close to the position of integrating sphere light-emitting window, tunable light source component mounting hole 1-7 installations
In the lower end of the preceding hemisphere of integrating sphere, for installing tunable light source component 4.
Bromine tungsten filament lamp light source assembly 2 is installed on the bromine tungsten filament lamp light source assembly mounting hole 1-4 of integration global shell 1, is integrating sphere
Light source provides the incident light source of continuous spectrum, after the multiple diffusing reflection of integrated ball inner surface high reflectance coating, goes out in integrating sphere
Optical port forms the primary radiation sources of Jun Yun Lang.
LED light source component 3, it is installed on the LED light source component mounting hole 1-5 of integration global shell, is to utilize multi-wavelength
The light source assembly combined of LED light source.
Tunable light source component 4, it is installed on the tunable light source mounting hole 1-7 of integration global shell, using adjustable in component
Light bar realizes Isochromatic and isothermic continuous dimming.
Spectral radiometer 5, it is installed on the spectral radiometer mounting hole 1-6 of integration global shell 1, is radiated by standard spectrum
Transmission of quantity value, monitor spectral radiance, color of the output of three-in-one multifunctional integrating sphere light source etc..
Power supply 6, it is bromine tungsten filament lamp light source assembly 2, the light source in tunable light source component 4, the offer confession of LED light source component 3
Power supply.
Control unit 7, the control instruction of main control computer 8 is received, by controlling power supply 6, control bromine tungsten filament lamp light source
Component 2, the light source in tunable light source component 4, the LED light source of LED light source component 3 open the light, control tunable light source component 4 can
Dim column.
Main control computer computer 8, it is various by controlling integrating sphere light source to export for the control core of three-in-one integration light source
Light, and utilize spectral radiometer 5 to monitor the spectral radiance and color of integrating sphere light source output in real time, provided for optical calibration
Radiation calibration, spectral calibration and color calibration.
One bromine tungsten filament lamp light source of installation in each bromine tungsten filament lamp light source assembly 2；Each LED light source component 3 install more it is same
The LED light source of medium wavelength, 30 LED light source components are made up of the LED light source of 30 kinds of wavelength, and the LED light source of every kind of wavelength is independent
It is controllable, it is easy to the light source for generating different colours to be calibrated for color, every kind of monochromatic LED can provide wavelength needed for spectral calibration
Light source.
Claims (6)
1. three-in-one multifunctional integrating sphere light source, including integration global shell, bromine tungsten filament lamp light source assembly, LED light source component, tunable optical
Source component, spectral radiometer, power supply, control unit and main control computer, it is characterized in that,
Bromine tungsten filament lamp light source assembly, LED light source component, tunable light source component, spectral radiometer, before being respectively installed to integration global shell
On hemisphere；
Power supply is connected with bromine tungsten filament lamp light source assembly, LED light source component and tunable light source component respectively；
Control unit is connected with each other with tunable light source component and power supply；
Main control computer is connected with each other with spectral radiometer and control unit respectively.
2. three-in-one multifunctional integrating sphere light source according to claim 1, it is characterised in that main control computer sends communication
Control instruction is transmitted, control unit controls power supply after receiving control instruction, and power supply switchs bromine tungsten filament lamp light source respectively
Light source in component, LED light source component and tunable light source component；Control unit controls tunable light source group after receiving control instruction
The light bar motion of part, regulation incide the radiation flux in integrating sphere, are combined with bromine tungsten filament lamp light source assembly and realize various levels of brightness etc.
Level output；The spectral radiance and color letter of the main control computer control real-time acquired integrated ball light source output of spectral radiometer
Breath, Standard Ratio brightness and Standard Colors numerical value are provided for optical camera calibration.
3. three-in-one multifunctional integrating sphere light source according to claim 1 or 2, it is characterised in that integration global shell, it is wrapped
Include integrating sphere spherical cavity, integrating sphere support frame, integrating sphere light source opening, multiple bromine tungsten filament lamp light source assembly mounting holes, multiple LED
Light source assembly mounting hole, spectral radiometer mounting hole and tunable light source component mounting hole；
Integrating sphere support frame, it is connected in the junction of former and later two hemisphere with integrating sphere spherical cavity, for supporting integrating sphere
Spheroid；
Light source opening is integrated, it is located at the front end of preceding hemisphere, and perpendicular to the ground；
Bromine tungsten filament lamp light source mounting hole, it is position of the preceding hemisphere away from integration light source opening, and multiple bromine tungsten are uniformly distributed along circular arc
Lamp source mounting hole, for installing bromine tungsten filament lamp light source assembly；
Between bromine tungsten filament lamp light source mounting hole and integrating sphere opening, multiple LED light source component mounting holes are uniformly distributed along circular arc, are used
In installation LED light source component；
Spectral radiometer mounting hole is arranged close to the position of integrating sphere light-emitting window；
Tunable light source component mounting hole is arranged on the lower end of the preceding hemisphere of integrating sphere, for installing tunable light source component.
4. three-in-one multifunctional integrating sphere light source according to claim 3, it is characterised in that integrating sphere spherical cavity, its
The high diffusing reflection rate coatings such as inner surface spraying barium sulfate.
5. three-in-one multifunctional integrating sphere light source according to claim 3, it is characterised in that integrating sphere support frame is by aluminium
U-shaped supporting construction is made in section bar.
6. three-in-one multifunctional integrating sphere light source according to claim 3, it is characterised in that the opening of integration light source opening
A diameter of 600mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721128445.3U CN206920114U (en) | 2017-09-04 | 2017-09-04 | Three-in-one multifunctional integrating sphere light source |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721128445.3U CN206920114U (en) | 2017-09-04 | 2017-09-04 | Three-in-one multifunctional integrating sphere light source |
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ID=61346770
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110336997A (en) * | 2019-07-03 | 2019-10-15 | 珠海达明科技有限公司 | A kind of camera calibration of power platform |
| CN111381141A (en) * | 2019-12-31 | 2020-07-07 | 浙江凯耀照明有限责任公司 | System and method for rapidly judging mutual influence of performances of lamp filament and lamp shade |
| CN114441148A (en) * | 2022-04-02 | 2022-05-06 | 常州市润达照明电器有限公司 | Courtyard lamp illumination detection feedback marking device and method |
-
2017
- 2017-09-04 CN CN201721128445.3U patent/CN206920114U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110336997A (en) * | 2019-07-03 | 2019-10-15 | 珠海达明科技有限公司 | A kind of camera calibration of power platform |
| CN111381141A (en) * | 2019-12-31 | 2020-07-07 | 浙江凯耀照明有限责任公司 | System and method for rapidly judging mutual influence of performances of lamp filament and lamp shade |
| CN111381141B (en) * | 2019-12-31 | 2022-09-16 | 浙江凯耀照明有限责任公司 | System and method for rapidly judging mutual influence of performances of lamp filament and lamp shade |
| CN114441148A (en) * | 2022-04-02 | 2022-05-06 | 常州市润达照明电器有限公司 | Courtyard lamp illumination detection feedback marking device and method |
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