CN207636800U - Optical radiation standard block adjustable diaphragm component - Google Patents
Optical radiation standard block adjustable diaphragm component Download PDFInfo
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- CN207636800U CN207636800U CN201721710154.5U CN201721710154U CN207636800U CN 207636800 U CN207636800 U CN 207636800U CN 201721710154 U CN201721710154 U CN 201721710154U CN 207636800 U CN207636800 U CN 207636800U
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Abstract
The utility model discloses a kind of optical radiation standard block adjustable diaphragm components, are related to optical radiation quantity regulating device technical field.The adjustable diaphragm component includes adjustable diaphragm, light beam through hole, arcuate socket, the first limit switch, the second limit switch, roller bolt, drive link, driving handle, crank, motor set casing, stepper motor, diaphragm front shroud, diaphragm back cover and positioning snap ring.The signal output end of the limit switch is connect with the signal input part of the main control computer, position for incuding the crank, prevent roller bolt during movement with two end in contact of the arcuate socket, the noise of crank-motion generation can effectively be reduced, and can effectively improve the service life of crank.
Description
Technical field
The utility model is related to be related to optical radiation quantity regulating device technical field more particularly to a kind of optical radiation standard
Unit adjustable diaphragm component.
Background technology
With the extensive use of various photoelectric angle measuring devices, the demand to the calibrating of radiation magnitude and performance detection gradually increases
It is more.Currently, all kinds of photoelectric angle measuring devices（Such as TV Goniometer）Spectral region and accuracy, Detecting sensitivity, anti-interference etc.
Can index be to be directly related to device effectively detect target, is precisely formed and transmits the key of information.To detect related optical
Technical indicator is commonly equipped with all kinds of parameter detecting instruments with optical radiation standard block, implements the magnitude of Electro-Optical Sensor Set
Test and performance diagnogtics.According to the technical matters feature of all kinds of angle-measuring equipments and parameter detecting instrument, as the time of making the product increases,
Optical radiation probe unit and radiation standard unit can be dimmed, the optical filter transmitance of detectivity and simulated target and background
Can constantly it decay, detecting discrimination and mock standard target signature can also change, and calibration demand is particularly urgent.
The Calibration Method of optical radiation probe unit and optical radiation standard block is generally at present：In the production line,
Establishing techniques complexity, bulky production tooling, the optical radiation probe unit of angle-measuring equipment, the optics spoke of parameter detecting instrument
It penetrates standard block mutually to be examined with production tooling, fails to realize that effective magnitude tracing and measurement process are controlled；Wherein, work is produced
Dress is by the special dress of the screening of various environmental tests, design typification, and there are experiments and development cost very high, the difficult in maintenance, service life
It is short and the problems such as can not update；Parameter detecting instrument is general after allotting, and there are two types of methods to demarcate：One is not to optical radiation
Light source calibration only replaces the lamp source etc. of damage, carries out necessary repair and maintenance by rule of thumb；Second is using " production tooling "
Calibration is carried out to the optical radiation light source of parameter detecting instrument, then again with the parameter detecting instrument come out by calibration to batch production
Angle-measuring equipment carries out calibration.
Optical radiation standard block generally uses fixed light source in the prior art, and the optical radiation value of output is certain,
Inconvenient to use, the scope of application is small.
Utility model content
Technical problem to be solved in the utility model is how to provide a kind of optics of changeable tunable light source portion output
Radiation value makes the adjustable diaphragm component of its scope of application bigger.
In order to solve the above technical problems, technical solution adopted in the utility model is：A kind of optical radiation standard block
With adjustable diaphragm component, it is characterised in that：Including adjustable diaphragm and diaphragm shell, the diaphragm shell is equipped with before and after it
The light beam through hole on surface, the light beam through hole and the light extraction end of outer heat dissipation cone are oppositely arranged, and the adjustable diaphragm is solid
It is scheduled in the light beam through hole, the diaphragm shell is equipped with arcuate socket, distinguishes on the diaphragm shell at the arcuate socket both ends
It is provided with the first limit switch and the second limit switch, roller bolt is provided in the arcuate socket, is equipped in the diaphragm shell
Drive link, one end of the roller bolt are rotatably connect with one end of the drive link, the other end of the drive link and institute
The driving handle stated on adjustable diaphragm rotatably connects, the other end of the roller bolt and the crank outside the diaphragm shell
One end is fixedly connected, and the outside mask of the crank and limit switch is equipped with motor set casing, the motor set casing with it is described
Diaphragm shell is fixed, and the power output shaft of stepper motor extends into the motor set casing and consolidates with the other end of the crank
Fixed connection, the stepper motor are controlled by the main control computer, and stepper motor rotates under the control of the main control computer,
The stepper motor power output shaft of rotation drives the crank-swinging, and then the crank drives the drive link movement, transmission
Bar drives driving handle rotation, the driving handle of rotation to change the thang-kng amount of the adjustable diaphragm, the signal of the limit switch
Output end is connect with the signal input part of the main control computer, and the position for incuding the crank prevents roller bolt from transporting
In dynamic process with two end in contact of the arcuate socket.
Further technical solution is：The diaphragm shell includes diaphragm front shroud and diaphragm back cover, the diaphragm front shroud
It is fixedly connected with diaphragm back cover, the light beam through hole is set to the upside of the diaphragm front shroud and diaphragm back cover, and the light
It is provided with positioning snap ring on the outside of light beam through hole on late front shroud, for being clamped with the tunable light source access aperture on integral global shell
Connection, the motor set casing are set to the downside of the diaphragm front shroud.
It is using advantageous effect caused by above-mentioned technical proposal：Stepper motor is controlled by the adjustable diaphragm component
The main control computer, stepper motor rotate under the control of the main control computer, the stepper motor power output shaft of rotation
The crank-swinging is driven, then the crank drives the drive link movement, drive link to drive driving handle rotation, rotation
Driving handle changes the thang-kng amount of the adjustable diaphragm, realizes the change of the adjustable diaphragm component thang-kng amount.The limit is opened
The signal output end of pass is connect with the signal input part of the main control computer, and the position for incuding the crank prevents from rolling
Dynamic pin, with two end in contact of the arcuate socket, can effectively reduce the noise of crank-motion generation, and can during movement
The effective service life for improving crank；And stepper motor directly drives the drive link, can effectively improve control accuracy.
In addition, being provided with positioning snap ring on the front shroud of the adjustable diaphragm component, it can be achieved that connecting with the reliable of fixed light source
It connects, prevents the generation of light leakage phenomena.Stepper motor is fixedly connected by individual motor set casing with diaphragm shell, and institute is improved
State the stability of stepper motor power output.
Description of the drawings
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is the functional block diagram of caliberating device described in the utility model embodiment；
Fig. 2 is the functional block diagram of optical radiation standard block in caliberating device described in the utility model embodiment；
Fig. 3 is the functional block diagram of optical radiation measuring unit in caliberating device described in the utility model embodiment；
Fig. 4 is the main structure diagram of optical radiation standard block in caliberating device described in the utility model embodiment；
Fig. 5 is the side structure schematic view of optical radiation standard block in caliberating device described in the utility model embodiment；
Fig. 6 is the structural schematic diagram in tunable light source portion in optical radiation standard block described in the utility model embodiment；
Fig. 7 is the main structure diagram of adjustable diaphragm in optical radiation standard block described in the utility model embodiment；
Fig. 8 is the side structure schematic view of adjustable diaphragm in optical radiation standard block described in the utility model embodiment；
Fig. 9 be in optical radiation standard block described in the utility model embodiment adjustable diaphragm remove diaphragm front shroud after
Structural schematic diagram；
Figure 10 is the structural schematic diagram of optical radiation measuring unit in caliberating device described in the utility model embodiment；
Wherein：101, optical radiation standard block；102, optical radiation measuring unit；103, main control computer；
401, the first babinet；402, global shell is integrated；403, tunable light source portion；404, fixed light source lamp；405, optics is defeated
Portal；406, LED demarcates lamp；407, photoelectric detection unit；408, metal casing；409, hollow out heat emission hole；
501, fan；502, shell fixed plate；503, hexagon socket head cap screw；504, outer heat dissipation cone；505, removable lens barrel；
506, lens barrel position adjustment hole；507, light source position adjustment hole；508, the high head screw of the first annular knurl；509, removable light source base；
510, the high head screw of the second annular knurl；511,150W light sources；512, Lamp cup；513, connecting plate；514, iris diaphgram component；515, lamp
Seat.
601, adjustable diaphragm；602, light beam through hole；603, arcuate socket；604, the first limit switch；605, the second limit
Switch；606, roller bolt；607, drive link；608, driving handle；609, crank；610, motor set casing；611, stepper motor；
612, diaphragm front shroud；613, diaphragm back cover；614, positioning snap ring；
701, measuring unit shell；702, light pipe shell；703, holder on pipe；704, dovetail mount；705, light pipe seat 706,
Lens；707, Amici prism；708, CCD detection unit；709, spectrograph unit；710, CCD detection unit seat；711, spectrometer
Seat；712, prism table；713, prism tabletting 714, measuring unit outer cover.
Specific implementation mode
With reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that and described embodiment is only a part of the embodiment of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Many details are elaborated in the following description in order to fully understand the utility model, but this practicality is new
Type can also be implemented using other different from other manner described here, and those skilled in the art can be without prejudice to this reality
With doing similar popularization in the case of novel intension, therefore the utility model is not limited by following public specific embodiment.
As shown in Figure 1, a kind of optical radiation caliberating device, including optical radiation standard block 101, optical radiation measure list
Member 102 and main control computer 103.The optical radiation standard block 101 and optical radiation measuring unit 102 are controlled by described
Main control computer 103, optics of the optical radiation standard block 101 for the outputting standard under the control of main control computer
Radiate magnitude, the photoelectric response characteristic parameter for demarcating all kinds of photodetection quasi-instruments or module；The optical radiation measures
Unit 102 is used under the control of main control computer 103, exports magnitude to the optics of checked object and spectral characteristic is surveyed
It is fixed.
Further, as shown in Fig. 2, the utility model embodiment discloses a kind of optical radiation standard block, the light
It includes fixed light source, tunable light source portion and photoelectric detection unit to learn radiation standard unit.The fixed light source and tunable light source by
It controls in the main control computer, fixed light source certain light of output light radiation value under the control of the main control computer is used for
Thick output is realized to the light radiation value of the optical radiation standard block；The tunable light source portion carries out light by main control computer
The precise controlling output of radiance is learned, and is exported after being mixed with the light of fixed light source output, realizes and the radiation is marked
The adjustable output of the Standard Ratio brightness of quasi- unit；The photoelectric detection unit is controlled by the main control computer, for detecting
The combined radiation brightness of the optical radiation standard block visual field output, forms the control deviator that tunable light source portion accurately exports.
Further, fixed light source uses LED light, and passes through seasoned screening, and calibration has been carried out with national measurement standard,
Stability, reliability are very good, and photoelectric detection unit uses CCD detection component, optical radiation standard block 101 to be calculated with master control
Machine 103 carries out configuration use, is mainly used for carrying out responsiveness uniformity, non-linear, exhausted to radiometric calibration test device at the scene
Calibration to parameters such as responsiveness and signal-to-noise ratio, it is also possible to give various other using CCD or CMOS as the light of sensitive detection parts
Electrical resistivity survey examining system establishes a standard sources, and assay calibration is carried out to electro-optical system response performance.
As shown in figure 3, the optical radiation measuring unit includes lens, Amici prism, visual sight mirror, CCD detection list
Member, spectrograph unit and signal processing unit.Lens, Amici prism and visual sight mirror constitute optical system, the lens position
In the side of the Amici prism, light is divided into three tunnels by light that measurand is sent out through the lens transmission to Amici prism, and one
Fractional transmission gives visual sight mirror, a part to be transferred to CCD detection unit, and a part is transferred to spectrograph unit, and the CCD is visited
Survey unit sampled signal output end and spectrograph unit sampled signal output end through the signal processing unit with it is described
Main control computer connects；
Optical system collects the radiant light that measurand is sent out and its luminous point and background is imaged onto CCD detection unit, CCD
Probe unit is used to sample by optical signalling and obtains space and radiate the electrical signal differentiated, through signal processing unit processes
（The processing such as filtering, A/D conversions, amplification）Afterwards, by the radiation calibration data being stored in main control computer, it is converted into tested pair
As the radiation magnitude of output, the radiation profiles of hot spot image, and the ability differentiated with spatial discrimination and radiation are obtained；Spectrometer
Unit is used for optical system imaging and enters the optical signalling of spectrometer, and monochromatic radiation turns after being divided using line array CCD
Change electric signal into, by obtaining relative spectral data of the input spectrum radiation with wavelength change after signal processing unit processes, into
And the relative radiation spectral radiance distribution of checked object parallel light tube output is obtained, and be compared with standard feature spectrum, it uses
The detection calibration of spectral characteristic after the variation of various optical filters and light source ages.
Wherein spectrograph unit include optical fiber, spectrometer optical system, spectro-grating, line array CCD, driving Acquisition Circuit,
CPU and communication interface circuit etc., the light for the optical system of the optical radiation measuring unit to be entered to fiber spectrometer
Signal is learned, monochromatic radiation after light splitting is converted into electric signal using line array CCD, by obtaining input light after electronics cell processing
Spectrum radiation obtains the relative radiation spectral radiance point of checked object parallel light tube output with the relative spectral data of wavelength change
Cloth, and be compared with standard feature spectrum, have the function of monitoring the variation of spectrum curve of output, mainly solves various optical filters
The detection problem of calibrating of spectral characteristic after variation and light source ages.
Main control computer 103 includes mainly laptop and Data Acquisition ＆ Processing Software etc., with optical radiation standard list
Member 101 and optical radiation measuring unit 102 be attached by serial port data line, main data acquisition, control, processing,
The functions such as display, certificate and report form processing.Main control computer 103 embeds light source control software, passes through signal processing unit respectively
Controlling of sampling is carried out to optical radiation magnitude with CCD detection unit, by light source control software to tunable light source portion and fixed light
Source is controlled, and communication modes use RS232 serial communications.It is divided into two parts on Software for Design：A part uses microcontroller logarithm
The lower software design controlled according to sampling, serial communication, program code are write using assembler language；Another part is to be based on
Computer WINDOWS system platforms carry out calibration device total system the upper layer software (applications) of controlling of sampling and data processing, use VC
++ language is write.Software automation degree is high, realizes human-computer dialogue by graphic user interface, can easily carry out curve
Drafting and data storage.
The fixed light source includes the first babinet 401 as shown in fig. 4-5, and integral is provided on first babinet 401
Global shell 402 is made wherein the first babinet 401 uses aluminum alloy material for providing mechanical support fastening for integral global shell 402
With；The integral global shell 402 includes preceding Loadings On Hemispherical Shell and later half global shell, and radius 0.25m passes through rivet riveting between the two
It is connected into one, and needs to polish inside integral global shell 402, ensures surface Glabrous thorn, then inner surface spraying is high instead
Penetrate than barium sulfate coating, ensure 400-900nm spectral reflectivities be not less than 96%, outer surface spraying be sea blue color；
Several fixed light source lamps 404 are evenly provided on the preceding Loadings On Hemispherical Shell, shining on fixed light source lamp 404
Part is located in the integral global shell 402, and the luminous intensity that 404 lamp of fixed light source is sent out is fixed, when lighting fixed light source 404
When, light radiation focuses in integral global shell, and homogeneous radiation illumination is formed in integrating sphere inner walls.The fixed light source lamp
Optics delivery outlet 405 is provided on preceding Loadings On Hemispherical Shell between 404, on the preceding Loadings On Hemispherical Shell between the fixed light source lamp 404
Equipped with built-in LED calibration lamps 406 and photoelectric detection unit 407, the light source part of the LED calibration lamp 406 and photoelectricity are visited
Survey unit 407 probe portion be located in the integral global shell 402, the signal output end of the photoelectric detection unit 407 and
The signal input part of the main control computer connects, and the photoelectric detection unit 407 is for measuring optics spoke in integral global shell
Penetrate magnitude.
Fixed light source 404 is integrated in global shell using the LED light of 150W and is installed 4 LED light altogether, is used for uniform optical spoke
Penetrate controllable output；Distance is equal between 4 LED light and 405 center of optics delivery outlet, and each LED light and optics delivery outlet 405
At 90 degree of angles between the line at center, each LED light divided by positioning snap ring installation site from integral global shell 402,
The distance of lower semisphere connecting line is 3cm, ensures that the radiance of 4 LED light is uniformly filled in visual field in integral global shell 402, and
Each LED light is mounted on postposition fan, is used for radiating and cooling, and connect with integral global shell by lamp holder snap ring.
Built-in LED calibration lamp 406 uses national standard LED light, is connect with integral global shell 402 by LED seat snap ring,
Standard value of its radiance value as the optical radiation standard block self-test can be used as monitoring detection system rdaiation response
The whether changed built-in constant light source of characteristic, when optical radiation standard block is identified or is dispatched from the factory, it can be achieved that product from
Inspection.Photoelectric detection unit 407 uses area array CCD probe assembly, is connect with integral global shell 402 by round clasp, completes product
Optical radiation measurement inside bulb separation.405 a diameter of 130mm of optics delivery outlet, delivery outlet are equipped with ball mouth snap ring, and snap ring is equipped with mill
Protective cover is damaged, is attached by miniature mild steel link chain between protective cover and integral global shell 402.Metal casing 408 uses lightweight
Aluminium section, integrated packaging power source control unit and integral global shell, can protect associated cable, and hollow out heat emission hole is arranged
409, in case integral 402 over-heat inside of global shell, influences electronic device performance.
The fixed light source is by using integrating sphere, it can be achieved that the optical radiation that tunable light source portion is exported and fixed light source
It is uniformly exported after the optical radiation mixing of output, improves the stability of optical radiation output.
As shown in fig. 6, using triangle muscle fastening structure between tunable light source portion 403 and integral global shell 402.Such as Fig. 6 institutes
Show, the tunable light source portion includes fan 501, and the fan 501 is fixedly connected with shell fixed plate 502, and the shell is fixed
Plate 502 is fixedly connected by hexagon socket head cap screw 503 with one end of outer heat dissipation cone 504, and the fan 501 is used for being located at
It states the device inside outer heat dissipation cone 504 and carries out radiating treatment.It is provided with removable lens barrel in the outer heat dissipation cone 504
505, two lens barrel position adjustment holes 506 are symmetrically arranged on the outer heat dissipation cone 504, the lens barrel position is adjusted
Hole 506 is strip hole.Light there are one being set on removable lens barrel corresponding with one of lens barrel position adjustment hole 506 505
Source position adjustment hole 507, the lens barrel position adjustment hole 506 and institute that one end of the high head screw of the first annular knurl 508 passes through
State the connection of removable lens barrel 505.The removable lens barrel 505 is can adjust relative to described by adjusting the high head screw of the first annular knurl 508
The position of outer heat dissipation cone 504.
Setting is there are one removable light source base 509 in the removable lens barrel 505, one end of the high head screw of the second annular knurl 510 according to
It is secondary to be threadedly coupled with removable light source base 509 after lens barrel position adjustment hole 506, light source position adjustment hole 507.It is described can
It moves on light source base 509 and 150W light sources 511 is fixed with by lamp holder 515, the 150W light sources 511 are along the outer heat dissipation cone
504 it is axially extending, and the axle center of the 150W light sources 511 with it is outer heat dissipation cone 504 axle center on same straight line.Lamp
Cup 512 is fixed on by connecting plate 513 in the removable lens barrel 505, and the 150W light sources 511 partially pass through the Lamp cup 512.
The position of the removable light source base 509 is adjusted by adjusting the position of the high head screw of second annular knurl 510, and then described in realizing
The adjustment of 511 position of 150W light sources, by adjusting the position of removable lens barrel 505 and removable light source base 509 so that outgoing beam
Uniformly, brightness is moderate；The outer heat dissipation cone 504 and removable lens barrel 505 are equipped with several heat emission holes, and the outer heat dissipation hides
The other end of light cylinder 504 is fixed with adjustable diaphragm component 514, and the iris diaphgram component 514 is controlled by the main control computer,
The integrating sphere to fixed light source is realized in adjustable output for realizing 150W light source outgoing beams under the control of main control computer
The soft readjustment of enclosure interior optical radiation.
Lens barrel position-movable, light source base position-movable and it is provided with adjustable diaphragm in the tunable light source portion,
Therefore the position of the removable lens barrel, the position of removable light source base and adjustable diaphragm can be carried out by light as needed
Adjustment, enables the tunable light source portion to export suitable optical radiation value, and optical radiation value adjustable extent is big.It is described adjustable
Light source portion is used as Calibrating source after being mixed with the light that fixed light source exports, and so that optical radiation standard block is demarcated all kinds of
The photoelectric response characteristic of photodetection quasi-instrument or module.In addition, it is provided with heat emission hole and fan in the tunable light source portion,
The light-source temperature that can effectively place in it is excessively high, improves the service life of the light source.
As shown in figs. 7 to 9, a kind of optical radiation standard block adjustable diaphragm component, the iris diaphgram group are disclosed
Part 514 includes adjustable diaphragm 601 and diaphragm shell, and the diaphragm shell is equipped with the light beam through hole through its front and rear surfaces
602, the light beam through hole 602 and the light extraction end of outer heat dissipation cone 504 are oppositely arranged.The adjustable diaphragm 601 is fixed on
In the light beam through hole 602, the diaphragm shell is equipped with arcuate socket 603, on the diaphragm shell at 603 both ends of the arcuate socket
It is respectively arranged with the first limit switch 604 and the second limit switch 605.Roller bolt 606, institute are provided in the arcuate socket 603
It states and is equipped with drive link 607 in diaphragm shell, one end of the roller bolt 606 and one end of the drive link 607 rotatably connect
It connects, the other end of the drive link 607 is rotatably connect with the driving handle 608 on the adjustable diaphragm 601, the rolling
The other end of pin 606 is fixedly connected with one end of the crank 609 outside the diaphragm shell.The crank 609 and limit switch
Outside mask be equipped with motor set casing 610, the motor set casing 610 fixes with the diaphragm shell, and stepper motor 611 moves
Power output shaft is extended into the motor set casing 610 and is fixedly connected with the other end of the crank 609.The stepper motor
611 are controlled by the main control computer 103, and stepper motor 611 rotates under the control of the main control computer 103, rotation
611 power output shaft of stepper motor drives the crank 609 to swing, and then the crank 609 drives the drive link 607 to transport
Dynamic, drive link 607 drives driving handle 608 to rotate, and the driving handle 608 of rotation changes the thang-kng amount of the adjustable diaphragm 601,
The signal output end of the limit switch is connect with the signal input part of the main control computer 103, for incuding the crank
609 position, prevent roller bolt 606 during movement with two end in contact of the arcuate socket 603.
Further, as shown in figs. 7 to 9, the diaphragm shell includes diaphragm front shroud 612 and diaphragm back cover 613, described
Diaphragm front shroud 612 is fixedly connected with diaphragm back cover 613.The light beam through hole 602 is set to the diaphragm front shroud 612 and diaphragm
The upside of back cover 613, and the outside of light beam through hole 602 is provided with positioning snap ring 614 on the diaphragm front shroud 612, for
The tunable light source access aperture clamping connection on global shell is integrated, the motor set casing 610 is set to the diaphragm front shroud 612
Downside.
The signal output end of the limit switch is connect with the signal input part of the main control computer, described for incuding
The position of crank prevents roller bolt from, with two end in contact of the arcuate socket, can effectively reduce crank fortune during movement
The noise of movable property life, and can effectively improve the service life of crank；Stepper motor directly drives the drive link, can be effective
Improve control accuracy.
In addition, being provided with positioning snap ring on the front shroud of the adjustable diaphragm component, it can be achieved that connecting with the reliable of fixed light source
It connects, prevents the generation of light leakage phenomena.Stepper motor is fixedly connected by individual motor set casing with diaphragm shell, and institute is improved
State the stability of stepper motor power output.
As shown in Figure 10, the optical radiation measuring unit includes measuring unit shell 701 and light pipe shell 702, described
The left part of light pipe shell 702 is located in the measuring unit shell 701, and the measuring unit shell 701 is single by measuring
First outer cover 714 is by the closure of openings of the upper end.The light pipe shell 702 by holder 703 on pipe thereon, be located at measuring unit
Dovetail mount 704 in shell 701 and the light pipe seat 705 positioned at 702 right side of light pipe shell are fixed with measuring unit shell 701 to be connected
It connects.The left and right ends of the light pipe shell 702 are that opening is arranged, and are erected in the light pipe seat close to 702 right end of light pipe shell
Straight is fixed with lens 706, and Amici prism 707 is being provided in the left end of the light pipe shell 702 opening.Into described
The light of light pipe shell 702 is transferred to the CCD detection unit 708 on the left of light pipe shell by 707 rear portion of the Amici prism,
The CCD detection unit 708 is located on the focal plane in 706 left side of the lens, and a part of optical transport gives Amici prism 707 downside
Spectrograph unit 709, visual sight mirror of a part of optical transport to the front side of Amici prism 707.The CCD detection unit 708
It is fixed in the measuring unit shell 701 by CCD detection unit seat 710, the spectrograph unit 709 passes through spectrometer seat
711 are fixed in the measuring unit shell 701, and the Amici prism 707 is solid by prism table 712 and prism tabletting 713
It is scheduled in the light pipe shell 702, after the optical radiation measuring unit adjustment, the wave aberration of optical radiation measuring unit is not small
In。
The calibration principle and flow of the optical radiation caliberating device are as follows：
Step 1）Integrating sphere light source built in the radiometer calibration optics radiation standard unit after calibration is transmitted with National primary standard
With built-in reference standard detector, radiance datum tool to integrating sphere；Ensureing integrating sphere light source full of optics spoke
It penetrates under conditions of standard block visual field, is demarcated, obtain optical radiation standard block radiation of light source brightness value, it is each by measuring
The voltage responsive value of class photodetection quasi-instrument or module, establishes the functional relation of radiance value and voltage responsive value, to
Realize the calibration being proofread as photoelectric response characteristic.
Step 2）Optical radiation transmission of quantity value is measured into list to optical radiation using calibrated optical radiation standard block
Member realizes the calibration of the photoelectric measurement characteristic of optical radiation measuring unit；Then by the optical system of optical radiation measuring unit
It is directed at measurand（Various optical radiation output device such as various types of light sources）, by measure measurand optical radiation magnitude and
Spectral characteristic, to realize the calibration of measurand optical radiation output characteristics.
Optical radiation standard block can transmit national standard in the caliberating device, and by integrating sphere to optical radiation
Measuring unit, can solve all kinds of photoelectric measuring devices and production tooling is demarcated each other, and magnitude can not be traceable to National primary standard
Problem；It can solve the problems, such as that light source outgoing magnitude and spectrum are accurately measured with system.Meanwhile the device can be produced in batches, profit
Self calibration can be realized with LED, facilitate laboratory and line；Optical radiation standard block and optical radiation measuring unit can
It with separate configurations, is used separately, wherein optical radiation standard block completes the magnitude calibration of optical measuring device, and optical radiation is surveyed
Measure the measurement that unit completes optical radiation source device output magnitude and spectral characteristic.Have many advantages, such as that miniaturization, automation pass through
Configuration between system component, has the calibration of optical radiation standard output and optical radiation measures function.
Claims (2)
1. a kind of optical radiation standard block adjustable diaphragm component, it is characterised in that：Including adjustable diaphragm（601）Outside diaphragm
Shell, the diaphragm shell are equipped with the light beam through hole through its front and rear surfaces（602）, the light beam through hole（602）With it is outer
Radiate cone（504）Light extraction end be oppositely arranged, the adjustable diaphragm（601）It is fixed on the light beam through hole（602）It is interior,
The diaphragm shell is equipped with arcuate socket（603）, the arcuate socket（603）It is respectively arranged with the first limit on the diaphragm shell at both ends
Bit switch（604）With the second limit switch（605）, the arcuate socket（603）Inside it is provided with roller bolt（606）, outside the diaphragm
Drive link is equipped in shell（607）, the roller bolt（606）One end and the drive link（607）One end rotatably connect,
The drive link（607）The other end and the adjustable diaphragm（601）On driving handle（608）Rotatable connection, it is described
Roller bolt（606）The other end and the diaphragm shell outside crank（609）One end be fixedly connected, the crank（609）With
And the outside mask of limit switch is equipped with motor set casing（610）, the motor set casing（610）It is fixed with the diaphragm shell,
Stepper motor（611）Power output shaft extend into the motor set casing（610）It is interior and with the crank（609）The other end
It is fixedly connected, the stepper motor（611）It is controlled by main control computer（103）, stepper motor（611）In the main control computer
（103）Control under rotate, the stepper motor of rotation（611）Power output shaft drives the crank（609）It swings, it is then described
Crank（609）Drive the drive link（607）Movement, drive link（607）Drive driving handle（608）Rotation, the driving of rotation
Handle（608）Change the adjustable diaphragm（601）Thang-kng amount, the signal output end of the limit switch and the master control calculate
Machine（103）Signal input part connection, for incuding the crank（609）Position, prevent roller bolt（606）In the mistake of movement
Arcuate socket described in Cheng Zhongyu（603）Two end in contact.
2. optical radiation standard block adjustable diaphragm component as described in claim 1, it is characterised in that：The diaphragm shell
Including diaphragm front shroud（612）With diaphragm back cover（613）, the diaphragm front shroud（612）With diaphragm back cover（613）It is fixedly connected, institute
State light beam through hole（602）It is set to the diaphragm front shroud（612）With diaphragm back cover（613）Upside, and the diaphragm front shroud
（612）Upper light beam through hole（602）Outside be provided with positioning snap ring（614）, it is used for and integral global shell（402）On it is adjustable
The clamping connection of light source access aperture, the motor set casing（610）It is set to the diaphragm front shroud（612）Downside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721710154.5U CN207636800U (en) | 2017-12-11 | 2017-12-11 | Optical radiation standard block adjustable diaphragm component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721710154.5U CN207636800U (en) | 2017-12-11 | 2017-12-11 | Optical radiation standard block adjustable diaphragm component |
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| Publication Number | Publication Date |
|---|---|
| CN207636800U true CN207636800U (en) | 2018-07-20 |
Family
ID=62862198
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721710154.5U Active CN207636800U (en) | 2017-12-11 | 2017-12-11 | Optical radiation standard block adjustable diaphragm component |
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| CN (1) | CN207636800U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111307729A (en) * | 2020-03-18 | 2020-06-19 | 浙江大学 | Plant leaf fixing device for single integrating sphere measuring system |
| CN114739300A (en) * | 2022-03-29 | 2022-07-12 | 上海优睿谱半导体设备有限公司 | Method for measuring epitaxial layer thickness of epitaxial wafer |
| CN115060378A (en) * | 2022-07-01 | 2022-09-16 | 长光卫星技术股份有限公司 | Diaphragm accuse light formula dynamic laboratory radiation calibration device |
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2017
- 2017-12-11 CN CN201721710154.5U patent/CN207636800U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111307729A (en) * | 2020-03-18 | 2020-06-19 | 浙江大学 | Plant leaf fixing device for single integrating sphere measuring system |
| CN114739300A (en) * | 2022-03-29 | 2022-07-12 | 上海优睿谱半导体设备有限公司 | Method for measuring epitaxial layer thickness of epitaxial wafer |
| CN115060378A (en) * | 2022-07-01 | 2022-09-16 | 长光卫星技术股份有限公司 | Diaphragm accuse light formula dynamic laboratory radiation calibration device |
| CN115060378B (en) * | 2022-07-01 | 2024-10-22 | 长光卫星技术股份有限公司 | Diaphragm light control type dynamic laboratory radiometric calibration device |
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