CN110346120A - The test macro and test method of a kind of strong optical resolution of automatic gate image intensifier and dynamic range - Google Patents
The test macro and test method of a kind of strong optical resolution of automatic gate image intensifier and dynamic range Download PDFInfo
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- CN110346120A CN110346120A CN201910715074.6A CN201910715074A CN110346120A CN 110346120 A CN110346120 A CN 110346120A CN 201910715074 A CN201910715074 A CN 201910715074A CN 110346120 A CN110346120 A CN 110346120A
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- G—PHYSICS
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0207—Details of measuring devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses a kind of automatic test macros and test method for gating the strong optical resolution of image intensifier and dynamic range, the test macro includes light source module, optical module module, objective lens unit module, camera bellows, eyepiece component module, detecting module, industrial personal computer and power module, the light source module, optical module module, objective lens unit module, camera bellows, eyepiece component module and detecting module are sequentially placed on same fixed optical platform guide rail, and its center is located at same optical axis；The present invention solves the problems, such as that gating the strong optical resolution of image intensifier and dynamic range automatically is unable to measure breakthroughly；Strong optical resolution is obtained by the industrial personal computer automatic identification in test macro, and the subjective error for effectively avoiding human eye from visually testing improves test accuracy and testing efficiency；The test of strong optical resolution and dynamic range is integrated in a test macro simultaneously, easy to operate, save the cost, high reliablity.
Description
Technical field
The present invention relates to automatic gate image intensifier technical fields, more particularly to one kind for realizing automatic gate image intensifying
The test macro and test method of the strong optical resolution of device and dynamic range.
Background technique
Image intensifier is the core devices of lll night vision equipment, faint light can be enhanced to enough brightness in order to people
Eye observation.The performance of the automatic strong optical resolution for gating image intensifier, dynamic range and auto-gated power supply is closely related, uses
Auto-gated power supply replaces the automatic gate image intensifier of conventional high-tension power supply, and dynamic range and service life are substantially mentioned
It is high.
Strong optical resolution and dynamic range are to measure automatic gate image intensifier in the high weight according to imaging definition under environment
Index is wanted, is the important evidence that can the automatic gate image intensifier of judgement use under illumination environment complicated and changeable.
Since the country starts late to the research of automatic gate image intensifier, technology is still immature, at present can not be strong to its
The performance indicators such as optical resolution and dynamic range measure, above-mentioned with reaching its maturity for automatic gate image intensifier technology
Index measures the base values of automatic gate image intensifier performance by becoming；Therefore, it is quite necessary to automatic gate image intensifying
The measuring technology of the performance indicators such as the strong optical resolution of device and dynamic range is studied.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of testing efficiency height, reliable test result, it is low in cost and easily
It is used to solve the problems, such as to gate strong optical resolution and the measurement of dynamic range of image intensifier automatically in the test macro of operation.
In order to solve the above technical problems, the present invention provides a kind of strong optical resolution of image intensifier of gate automatically and dynamic models
The test macro enclosed, comprising:
Light source module: it is made of light source, neutral colour filter component and integrating sphere；For providing required illumination for test macro
Source of parallel light；
Optical module module: for providing suitable optical module according to different testing requirements；
Objective lens unit module: for the entire yin optically coupling to automatic gate image intensifier of optical module module will to be passed through
On pole-face；
Camera bellows: for providing relatively independent illumination environment for automatic gate image intensifier to be measured；
Eyepiece component module: the optical signal of automatic gate image intensifier output is coupled to the imaging photoelectricity of detecting module
Face；
Detecting module: placing different probe assemblies for the difference according to testing process and detected, and detection is believed
Breath is transmitted to industrial personal computer；
Industrial personal computer: for providing power supply for detecting module, parameter setting and Image Acquisition are carried out to detecting module, while right
The detection information that detecting module transmission comes is handled to obtain detection result；
Power module: for providing reliable source of power for light source, automatic gate image intensifier to be measured；
The light source module, optical module module, objective lens unit module, camera bellows, eyepiece component module and detecting module according to
It is secondary to be placed on same fixed optical platform guide rail, and the light source module, optical module module, objective lens unit module, camera bellows,
The center of eyepiece component module and detecting module is located at same optical axis.
In addition, using the automatic gate strong strong light of optical resolution test system and test of image intensifier the present invention also provides a kind of
The method of resolving power, includes the following steps:
A1: power module powers on, and light source preheats 20min, adjusts neutral colour filter component, obtains in automatic gate picture to be measured
Booster cathode plane it is corresponding apart from illumination be 102The strong light of lx rank；
A2: automatic gate image intensifier is placed on the fixture being arranged in camera bellows, and will gate automatically image intensifier with
The power supply interface of power module is reliably connected, and closes camera bellows；
A3: placing CMOS probe assembly on detecting module, can by CMOS probe assembly and eyepiece component module and industrial personal computer
By connection, while selecting resolution test target plate as optical module module；
A4: industrial personal computer control CMOS probe assembly acquires the resolving power for gating the output of image intensifier fluorescent screen automatically at the moment
The clear image for testing target plate is compared identification to the image and obtains the strong optical resolution for gating image intensifier automatically.
Meanwhile automatic gate image intensifier dynamic range test system and test dynamic model is used the present invention also provides a kind of
The method enclosed, it is characterised in that: set the minimum imaging illumination of typical case of automatic gate image intensifier to be measured as Imin0, typical highest
Imaging illumination is Imax0；The index request of qualified automatic gate image intensifier are as follows: Signal to Noise Ratio (SNR) >=SNRmin, SNRminIt is automatic
The minimum signal-to-noise ratio that gate image intensifier requires when working normally；Resolving power R >=Rmin, RminIt is normal to gate image intensifier automatically
The least resolution required when work；Average brightness B ∈ [(1-a) Bs, (1+a) Bs], a is a constant, according to automatically-controlled door to be measured
The test request for controlling image intensifier is determining, BsBrightness value is demarcated for fluorescent screen；Specific test includes the following steps:
B: the minimum imaging illumination of the automatic gate image intensifier of test；
B1: power module powers on, and light source preheats 20min, adjusts the optical module for including in test macro, so that test system
System blur-free imaging；
B2: neutral colour filter component is adjusted, is obtained corresponding apart from illumination in automatic gate image intensifier cathode plane to be measured
For Imin0Dim light；
B3: automatic gate image intensifier is placed on the fixture being arranged in camera bellows (7), and image intensifier will be gated automatically
It is reliably connected, closes camera bellows (7) with the power supply interface of power module (11)；
B4: placing CMOS probe assembly on detecting module, can by CMOS probe assembly and eyepiece component module and industrial personal computer
By connection, while selecting resolution test target plate as optical module module；
B5: industrial personal computer control CMOS probe assembly acquires the clear image of the moment resolution test target plate, to the image
Identification is compared and obtains resolving power R under the conditions of current illumination for gating image intensifier automaticallyL0；
B6: placing signal-to-noise ratio component on detecting module, can by signal-to-noise ratio probe assembly and objective lens unit module and industrial personal computer
By connection, while selecting pinhole diaphragm as optical module module, test obtains current signal SNRL0；
B7: placing intensity detection component on detecting module, can by intensity detection component and eyepiece component module and industrial personal computer
By connection, while selecting frosted glass as optical module module, test obtains present intensity BL0；
B8: the R that above-mentioned steps are testedL0、SNRL0、BL0Bring formula (1) into,
Judge RL0、SNRL0、BL0Whether meet formula (1), satisfaction then adjusts neutral colour filter component, and incident light adjusting is arrived
One lower apart from illumination Imin1, step B3-B7 is repeated, until testing obtained resolving power, signal-to-noise ratio, brightness have just been discontented with
Sufficient formula (1), current illumination is I at this timeminn+1, then I is recordedminnIt is minimum imaging illumination；It is unsatisfactory for, adjusts neutral colour filter
Incident light is turned up apart from illumination, repeats step B3-B7 by component, rigid until testing obtained resolving power, signal-to-noise ratio, brightness
It just reaches sufficient formula (1), corresponding illumination IminnFor minimum imaging illumination；
C: illumination is imaged in the highest of the automatic gate image intensifier of test；
C1: power module powers on, and light source preheats 20min, adjusts the optical module for including in test macro, so that test system
System blur-free imaging；
C2: neutral colour filter component is adjusted, is obtained corresponding apart from illumination in automatic gate image intensifier cathode plane to be measured
For Imax0Strong light；
C3: automatic gate image intensifier is placed on the fixture being arranged in camera bellows, and will gate automatically image intensifier with
The power supply interface of power module is reliably connected, and closes camera bellows；
C4: placing CMOS probe assembly on detecting module, can by CMOS probe assembly and eyepiece component module and industrial personal computer
By connection, while selecting resolution test target plate as optical module module；
C5: industrial personal computer control CMOS probe assembly acquires the clear image of the moment resolution test target plate, to the image
Identification is compared and obtains resolving power R under the conditions of current illumination for gating image intensifier automaticallyHO；
C6: placing signal-to-noise ratio component on detecting module, can by signal-to-noise ratio probe assembly and objective lens unit module and industrial personal computer
By connection, while selecting pinhole diaphragm as optical module module, test obtains current signal SNRHO；
C7: placing intensity detection component on detecting module, can by intensity detection component and eyepiece component module and industrial personal computer
By connection, while selecting frosted glass as optical module module, test obtains present intensity BH0；
C8: the R that above-mentioned steps are testedHO、SNRHO、BHOBring formula (2) into,
Judge RHO、SNRHO、BHOWhether meet formula (2), satisfaction then adjusts neutral colour filter component, and incident light adjusting is arrived
One higher illumination Imax1, step C3-C7 is repeated, until testing obtained resolving power, signal-to-noise ratio, brightness are just unsatisfactory for formula
(2), current illumination is I at this timemaxn+1, then I is recordedmaxnIllumination is imaged for highest；It is unsatisfactory for, adjusts neutral colour filter component,
The illumination of incident light is turned down, step C3-C7 is repeated, until testing obtained resolving power, signal-to-noise ratio, brightness just meet formula
(2), corresponding illumination ImaxnIllumination is imaged for highest；
D, by the minimum imaging illumination I of the obtained automatic gate image intensifier of step BminnThe automatically-controlled door obtained with step C
Illumination I is imaged in the highest for controlling image intensifiermaxnIt brings formula (3) into, obtains the dynamic range for gating image intensifier automatically:
HDR=20lg (Imaxn/Iminn) (3)
The utility model has the advantages that the present invention has a following advantages compared with prior art: the present invention it is breakthrough solve existing skill
Automatically the strong optical resolution of image intensifier is gated under art background and the problem of dynamic range is unable to measure；Pass through the work in test macro
Control machine automatic identification obtains strong optical resolution, the subjective error for effectively avoiding human eye from visually testing, improve test accuracy and
Testing efficiency；Simultaneously the test of strong optical resolution and dynamic range is integrated in a test macro, it is easy to operate, save at
This, high reliablity.
Detailed description of the invention
Fig. 1 is that the test system structure of the strong optical resolution of automatic gate image intensifier provided by the invention and dynamic range shows
It is intended to；
In Fig. 1: 1 being light source module, 2 be light source, 3 be neutral colour filter component, 4 be integrating sphere, 5 be optical module mould
Block, 6 be objective lens unit module, 7 be camera bellows, 8 be eyepiece component module, 9 be detecting module, 10 be industrial personal computer, 11 be power supply mould
Block；
Fig. 2 is camera bellows structural schematic diagram；
In Fig. 2: 13 be incidence hole, and objective lens unit module projects light and thus enters；
14 be diaphragm one, by the output of objective lens unit module optically coupling to the cathode plane of automatic gate image intensifier to be measured；
15 be automatic gate image intensifier to be measured, is placed on image intensifier fixture；
16 be image intensifier fixture, plays the role of supporting fixed image intensifier and shading；
17 be diaphragm two, by automatic gate image intensifier output to be measured optically coupling to eyepiece component module；
18 be light hole, and automatic gate image intensifier fluorescent screen to be measured issues light and thus projects；
19 be pedestal, and image intensifier fixture is mounted on the base, and position base is adjustable, to guarantee the water of tested image intensifier
Prosposition is set constant with centre-height；
20 be power supply power supply interface negative terminal, provides the power supply interface of power supply for automatic gate image intensifier to be measured in camera bellows；
21 be power supply power supply interface anode, provides the power supply interface of power supply for automatic gate image intensifier to be measured in camera bellows.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments；Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
The present invention provides a kind of automatic test macros for gating the strong optical resolution of image intensifier and dynamic range, comprising:
Light source module 1: it is made of light source 2, neutral colour filter component 3 and integrating sphere 4；Needed for being provided for test macro
The source of parallel light of illumination；Wherein the light source 2 uses colour temperature for the standard A light source of 2856K or color temperature-tunable LED light source；Institute
Neutral colour filter component 3 is stated by multiple groups filter set at pass through neutral colour filter component adjusts the adjusting for realizing incoming illumination；
The integrating sphere 4 is used to make through the light homogenous diffusion of neutral colour filter component 3 to optical module module.
Optical module module 5: for providing suitable optical module, the optical module module according to different testing requirements
5 can choose according to different test needs and replace with pinhole diaphragm or be resolution test target plate or be frosted glass or be specific
Target detection figure.
Objective lens unit module 6: for the entire of image intensifier will to be gated optically coupling to automatic by optical module module
On cathode plane；
Camera bellows 7: for providing relatively independent illumination environment for automatic gate image intensifier to be measured；
Eyepiece component module 8: the optical signal of automatic gate image intensifier output is coupled to the imaging photoelectricity of detecting module 9
Face；
Detecting module 9: placing different probe assemblies for the difference according to testing process and detected, and detection is believed
Breath is transmitted to industrial personal computer；The detecting module 9 according to the probe assembly that different tests need to place be CMOS probe assembly or
It for signal-to-noise ratio probe assembly or is intensity detection component.
Industrial personal computer 10: for providing power supply for detecting module 9, parameter setting and Image Acquisition are carried out to detecting module 9, together
When to detecting module 9 transmission come detection information handled to obtain detection result；
Power module 11: for providing reliable source of power for light source, automatic gate image intensifier to be measured；
The light source module 1, optical module module 5, objective lens unit module 6, camera bellows 7, eyepiece component module 8 and detection
Module 9 is sequentially placed on same fixed optical platform guide rail, and the light source module 1, optical module module 5, objective lens unit
Module 6, camera bellows 7, eyepiece component module 8 and detecting module 9 center be located at same optical axis.
The structure of the objective lens unit module 6 is that objective lens unit module is made of the conjugated lens and its cone of 1:1.
The camera bellows 7 is made of cabinet, pedestal and image intensifier fixture, and image intensifier fixture is mounted on the base, pedestal
Position is adjustable, and horizontal position and the centre-height to guarantee tested image intensifier are constant；It is provided with circular window at left and right sides of camera bellows,
Access is provided for incident light and emergent light, while also providing the power supply of power supply with promising automatic gate image intensifier to be measured in camera bellows
Interface.
The eyepiece component module 8 is made of the lens combination and cone of certain amplification factor.
For the concrete function of the strong optical resolution of above-mentioned automatic gate image intensifier and dynamic range test macro is discussed in detail,
Method is used for using embodiment below to be specifically described.
All in darkroom item when being tested using the strong optical resolution of automatic gate image intensifier and dynamic range test macro
It is carried out under part, influence of the environment light to test result is all reduced to the greatest extent, before test using the black material of no-reflection in darkroom
It is powered on to test macro, and carries out colour temperature calibration.It is 10 in incoming illumination-5When lx, the brightness of automatic gate image intensifier is increased
Benefit is set as Ks, and Ks meets the requirement luminance gain range of product to be measured, remains unchanged during the test；It is by luminance gain
Ks, incoming illumination 10-1Automatically average output brightness the calibration Bs, Bs that image intensifier is gated when lx meet the requirement of product to be measured
Brightness range.
Embodiment one
Using the method for the automatic gate strong strong optical resolution of optical resolution test system and test of image intensifier, including walk as follows
It is rapid:
A1: power module 11 powers on, and light source 2 preheats 20min, adjusts neutral colour filter component 3, obtains in automatically-controlled door to be measured
Control image intensifier cathode plane it is corresponding apart from illumination be 102The strong light of lx rank；
A2: automatic gate image intensifier is placed on the fixture being arranged in camera bellows 7, and will gate automatically image intensifier with
The power supply interface of power module 11 is reliably connected, and closes camera bellows 7；
A3: CMOS probe assembly is placed on detecting module 9, by CMOS probe assembly and eyepiece component module 8 and industrial personal computer
(10) it is reliably connected, while selecting resolution test target plate as optical module module 5；
A4: industrial personal computer 10 controls CMOS probe assembly and acquires the resolution that the moment gates the output of image intensifier fluorescent screen automatically
Power tests the clear image of target plate, and identification is compared to the image and obtains the strong optical resolution for gating image intensifier automatically.
Embodiment two
Using the method for automatic gate image intensifier dynamic range test system and test dynamic range, automatically-controlled door to be measured is set
The minimum imaging illumination of typical case for controlling image intensifier is Imin0, typical highest imaging illumination is Imax0；Qualified automatic gate image intensifier
Index request are as follows: Signal to Noise Ratio (SNR) >=SNRmin, SNRminTo gate the minimum noise required when image intensifier works normally automatically
Than；Resolving power R >=Rmin, RminTo gate the least resolution required when image intensifier works normally automatically；Average brightness B ∈
[(1-a)Bs, (1+a) Bs], a is a constant, is determined according to the test request of automatic gate image intensifier to be measured, BsFor fluorescence
Screen calibration brightness value；Specific test includes the following steps:
B: the minimum imaging illumination of the automatic gate image intensifier of test；
B1: power module 11 powers on, and light source 2 preheats 20min, adjusts the optical module for including in test macro, so that surveying
Test system blur-free imaging；
B2: neutral colour filter component 3 is adjusted, is obtained corresponding apart from illumination in automatic gate image intensifier cathode plane to be measured
For Imin0Dim light；
B3: automatic gate image intensifier is placed on the fixture being arranged in camera bellows 7, and will gate automatically image intensifier with
The power supply interface of power module 11 is reliably connected, and closes camera bellows 7；
B4: CMOS probe assembly is placed on detecting module 9, by CMOS probe assembly and eyepiece component module 8 and industrial personal computer
10 are reliably connected, while selecting resolution test target plate as optical module module 5；
B5: industrial personal computer 10 controls the clear image that CMOS probe assembly acquires the moment resolution test target plate, to the figure
Resolving power R under the conditions of current illumination for gating image intensifier automatically is obtained as identification is comparedL0；
B6: signal-to-noise ratio component is placed on detecting module 9, by signal-to-noise ratio probe assembly and objective lens unit module 8 and industrial personal computer
10 are reliably connected, while selecting pinhole diaphragm as optical module module 5, and test obtains current signal SNRL0；
B7: intensity detection component is placed on detecting module 9, by intensity detection component and eyepiece component module 8 and industrial personal computer
10 are reliably connected, while selecting frosted glass as optical module module 5, and test obtains present intensity BL0；
B8: the R that above-mentioned steps are testedL0、SNRL0、BL0Bring formula (1) into,
Judge RL0、SNRL0、BL0Whether meet formula (1), satisfaction then adjusts neutral colour filter component 3, and incident light adjusting is arrived
One lower apart from illumination Imin1, step B3-B7 is repeated, until testing obtained resolving power, signal-to-noise ratio, brightness have just been discontented with
Sufficient formula (1), current illumination is I at this timeminn+1, then I is recordedminnIt is minimum imaging illumination；It is unsatisfactory for, adjusts neutral colour filter
Incident light is turned up apart from illumination, repeats step B3-B7 by component 3, rigid until testing obtained resolving power, signal-to-noise ratio, brightness
It just reaches sufficient formula (1), corresponding illumination IminnFor minimum imaging illumination；
C: illumination is imaged in the highest of the automatic gate image intensifier of test；
C1: power module 11 powers on, and light source 2 preheats 20min, adjusts the optical module for including in test macro, so that surveying
Test system blur-free imaging；
C2: neutral colour filter component 3 is adjusted, is obtained corresponding apart from illumination in automatic gate image intensifier cathode plane to be measured
For Imax0Strong light；
C3: automatic gate image intensifier is placed on the fixture being arranged in camera bellows 7, and will gate automatically image intensifier with
The power supply interface of power module 11 is reliably connected, and closes camera bellows 7；
C4: CMOS probe assembly is placed on detecting module 9, by CMOS probe assembly and eyepiece component module 8 and industrial personal computer
10 are reliably connected, while selecting resolution test target plate as optical module module 5；
C5: industrial personal computer 10 controls the clear image that CMOS probe assembly acquires the moment resolution test target plate, to the figure
Resolving power R under the conditions of current illumination for gating image intensifier automatically is obtained as identification is comparedHO；
C6: signal-to-noise ratio component is placed on detecting module 9, by signal-to-noise ratio probe assembly and objective lens unit module 8 and industrial personal computer
10 are reliably connected, while selecting pinhole diaphragm as optical module module 5, and test obtains current signal SNRHO；
C7: intensity detection component is placed on detecting module 9, by intensity detection component and eyepiece component module 8 and industrial personal computer
10 are reliably connected, while selecting frosted glass as optical module module 5, and test obtains present intensity BHO；
C8: the R that above-mentioned steps are testedH0、SNRHO、BHOBring formula (2) into,
Judge RHO、SNRHO、BHOWhether meet formula (2), satisfaction then adjusts neutral colour filter component 3, and incident light adjusting is arrived
One higher illumination Imax1, step C3-C7 is repeated, until testing obtained resolving power, signal-to-noise ratio, brightness are just unsatisfactory for formula
(2), current illumination is I at this timemaxn+1, then I is recordedmaxnIllumination is imaged for highest；It is unsatisfactory for, adjusts neutral colour filter component 3,
The illumination of incident light is turned down, step C3-C7 is repeated, until testing obtained resolving power, signal-to-noise ratio, brightness just meet formula
(2), corresponding illumination ImaxnIllumination is imaged for highest；
D, by the minimum imaging illumination I of the obtained automatic gate image intensifier of step BminnThe automatically-controlled door obtained with step C
Illumination I is imaged in the highest for controlling image intensifiermaxnIt brings formula (3) into, obtains the dynamic range for gating image intensifier automatically:
HDR=20lg (Imaxn/Iminn) (3)。
The present invention provides a kind of automatic test macros for gating the strong optical resolution of image intensifier and dynamic range, simultaneously also
Provide the test macro in the strong optical resolution of the automatic gate image intensifier of measurement and the specifically used method of dynamic range, in fact
Show to the strong optical resolution of important technology index of automatic gate image intensifier and being accurately convenient for measuring for dynamic range, for judgement
Can automatic gate image intensifier under illumination environment complicated and changeable using providing important evidence.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of automatic test macro for gating the strong optical resolution of image intensifier and dynamic range, characterized by comprising:
Light source module (1): it is made of light source (2), neutral colour filter component (3) and integrating sphere (4)；For being provided for test macro
The source of parallel light of required illumination；
Optical module module (5): for providing suitable optical module according to different testing requirements；
Objective lens unit module (6): for the entire yin optically coupling to automatic gate image intensifier of optical module module will to be passed through
On pole-face；
Camera bellows (7): for providing relatively independent illumination environment for automatic gate image intensifier to be measured；
Eyepiece component module (8): for the optical signal of automatic gate image intensifier output to be coupled to the imaging of detecting module (9)
Photoelectric surface；
Detecting module (9): placing different probe assemblies for the difference according to testing process and detected, and by detection information
It is transmitted to industrial personal computer；
Industrial personal computer (10): for providing power supply for detecting module (9), carrying out parameter setting and Image Acquisition to detecting module (9),
The detection information come simultaneously to detecting module (9) transmission is handled to obtain detection result；
Power module (11): for providing reliable source of power for light source, automatic gate image intensifier to be measured；
The light source module (1), optical module module (5), objective lens unit module (6), camera bellows (7), eyepiece component module (8) and
Detecting module (9) is sequentially placed on same fixed optical platform guide rail, and the light source module (1), optical module module
(5), the center of objective lens unit module (6), camera bellows (7), eyepiece component module (8) and detecting module (9) is located at same optical axis.
2. it is according to claim 1 for gating the test macro of the strong optical resolution of image intensifier and dynamic range automatically,
It is characterized by: the light source (2) uses colour temperature for the standard A light source of 2856K or color temperature-tunable LED light source.
3. it is according to claim 1 for gating the test macro of the strong optical resolution of image intensifier and dynamic range automatically,
It is characterized by: the neutral colour filter component (3) is by multiple groups filter set at being realized by the adjusting of neutral colour filter component
The adjusting of incoming illumination.
4. it is according to claim 1 for gating the test macro of the strong optical resolution of image intensifier and dynamic range automatically,
It is characterized by: the optical module module (5) is pinhole diaphragm or is resolution test target plate or is frosted glass.
5. it is according to claim 1 for gating the test macro of the strong optical resolution of image intensifier and dynamic range automatically,
It is characterized by: the structure of the objective lens unit module (6) are as follows: objective lens unit module by 1:1 conjugated lens and cone group
At.
6. it is according to claim 1 for gating the test macro of the strong optical resolution of image intensifier and dynamic range automatically,
It is characterized by: the camera bellows (7) is made of cabinet, pedestal and image intensifier fixture, image intensifier fixture is mounted on the base,
Position base is adjustable, and horizontal position and the centre-height to guarantee tested image intensifier are constant；Circle is provided at left and right sides of camera bellows
Window provides access for incident light and emergent light, while also providing power supply with promising automatic gate image intensifier to be measured in camera bellows
Power supply interface.
7. it is according to claim 1 for gating the test macro of the strong optical resolution of image intensifier and dynamic range automatically,
It is characterized by: the structure of the eyepiece component module (8) are as follows: eyepiece component module by certain amplification factor lens combination and
Cone composition.
8. it is according to claim 1 for gating the test macro of the strong optical resolution of image intensifier and dynamic range automatically,
It is characterized by: the probe assembly that detecting module (9) is placed is CMOS probe assembly or is signal-to-noise ratio probe assembly or is brightness
Probe assembly.
9. a kind of method using the automatic gate strong strong optical resolution of optical resolution test system and test of image intensifier, feature exist
In: include the following steps:
A1: power module (11) powers on, and light source (2) preheats 20min, adjusts neutral colour filter component (3), obtains to be measured automatic
Gate image intensifier cathode plane it is corresponding apart from illumination be 102The strong light of lx rank；
A2: automatic gate image intensifier is placed on the fixture being arranged in camera bellows (7), and image intensifier and electricity will be gated automatically
The power supply interface of source module (11) is reliably connected, and is closed camera bellows (7)；
A3: CMOS probe assembly is placed on detecting module (9), by CMOS probe assembly and eyepiece component module (8) and industrial personal computer
(10) it is reliably connected, while selecting resolution test target plate as optical module module (5)；
A4: industrial personal computer (10) control CMOS probe assembly acquires the resolving power for gating the output of image intensifier fluorescent screen automatically at the moment
The clear image for testing target plate is compared identification to the image and obtains the strong optical resolution for gating image intensifier automatically.
10. a kind of method using automatic gate image intensifier dynamic range test system and test dynamic range, it is characterised in that:
The minimum imaging illumination of typical case of automatic gate image intensifier to be measured is set as Imin0, typical highest imaging illumination is Imax0；Qualification is certainly
The index request of dynamic gate image intensifier are as follows: Signal to Noise Ratio (SNR) >=SNRmin, SNRminWhen being worked normally to gate image intensifier automatically
It is required that minimum signal-to-noise ratio；Resolving power R >=Rmin, RminTo gate the minimum resolution required when image intensifier works normally automatically
Power；Average brightness B ∈ [(1-a) Bs, (1+a) Bs], a is a constant, according to the test request of automatic gate image intensifier to be measured
It determines, BsBrightness value is demarcated for fluorescent screen；Specific test includes the following steps:
B: the minimum imaging illumination of the automatic gate image intensifier of test；
B1: power module (11) powers on, and light source (2) preheats 20min, adjusts the optical module for including in test macro, so that surveying
Test system blur-free imaging；
B2: being adjusted neutral colour filter component (3), obtain corresponding in automatic gate image intensifier cathode plane to be measured be apart from illumination
Imin0Dim light；
B3: automatic gate image intensifier is placed on the fixture being arranged in camera bellows (7), and image intensifier and electricity will be gated automatically
The power supply interface of source module (11) is reliably connected, and is closed camera bellows (7)；
B4: CMOS probe assembly is placed on detecting module (9), by CMOS probe assembly and eyepiece component module (8) and industrial personal computer
(10) it is reliably connected, while selecting resolution test target plate as optical module module (5)；
B5: industrial personal computer (10) control CMOS probe assembly acquires the clear image of the moment resolution test target plate, to the image
Identification is compared and obtains resolving power R under the conditions of current illumination for gating image intensifier automaticallyL0；
B6: signal-to-noise ratio component is placed on detecting module (9), by signal-to-noise ratio probe assembly and objective lens unit module (8) and industrial personal computer
(10) it is reliably connected, while selecting pinhole diaphragm as optical module module (5), test obtains current signal SNRL0；
B7: intensity detection component is placed on detecting module (9), by intensity detection component and eyepiece component module (8) and industrial personal computer
(10) it is reliably connected, while selecting frosted glass as optical module module (5), test obtains present intensity BL0；
B8: the R that above-mentioned steps are testedL0、SNRL0、BL0Bring formula (1) into,
Judge RL0、SNRL0、BL0Whether meet formula (1), satisfaction then adjusts neutral colour filter component (3), and incident light is adjusted to one
It is a lower apart from illumination Imin1, step B3-B7 is repeated, until testing obtained resolving power, signal-to-noise ratio, brightness have just been unsatisfactory for
Formula (1), current illumination is I at this timeminn+1, then I is recordedminnFor minimum imaging illumination；It is unsatisfactory for, adjusts neutral colour filter component
(3), being turned up apart from illumination by incident light, repeats step B3-B7, until having tested obtained resolving power, signal-to-noise ratio, brightness just
Meet formula (1), corresponding illumination IminnFor minimum imaging illumination；
C: illumination is imaged in the highest of the automatic gate image intensifier of test；
C1: power module (11) powers on, and light source (2) preheats 20min, adjusts the optical module for including in test macro, so that surveying
Test system blur-free imaging；
C2: being adjusted neutral colour filter component (3), obtain corresponding in automatic gate image intensifier cathode plane to be measured be apart from illumination
Imax0Strong light；
C3: automatic gate image intensifier is placed on the fixture being arranged in camera bellows (7), and image intensifier and electricity will be gated automatically
The power supply interface of source module (11) is reliably connected, and is closed camera bellows (7)；
C4: CMOS probe assembly is placed on detecting module (9), by CMOS probe assembly and eyepiece component module (8) and industrial personal computer
(10) it is reliably connected, while selecting resolution test target plate as optical module module (5)；
C5: industrial personal computer (10) control CMOS probe assembly acquires the clear image of the moment resolution test target plate, to the image
Identification is compared and obtains resolving power R under the conditions of current illumination for gating image intensifier automaticallyH0；
C6: signal-to-noise ratio component is placed on detecting module (9), by signal-to-noise ratio probe assembly and objective lens unit module (8) and industrial personal computer
(10) it is reliably connected, while selecting pinhole diaphragm as optical module module (5), test obtains current signal SNRH0；
C7: intensity detection component is placed on detecting module (9), by intensity detection component and eyepiece component module (8) and industrial personal computer
(10) it is reliably connected, while selecting frosted glass as optical module module (5), test obtains present intensity BH0；
C8: the R that above-mentioned steps are testedH0、SNRH0、BH0Bring formula (2) into,
Judge RH0、SNRH0、BH0Whether meet formula (2), satisfaction then adjusts neutral colour filter component (3), and incident light is adjusted to one
A higher illumination Imax1, step C3-C7 is repeated, until testing obtained resolving power, signal-to-noise ratio, brightness are just unsatisfactory for formula
(2), current illumination is I at this timemaxn+1, then I is recordedmaxnIllumination is imaged for highest；It is unsatisfactory for, adjusts neutral colour filter component
(3), the illumination of incident light is turned down, repeats step C3-C7, until testing obtained resolving power, signal-to-noise ratio, brightness have just met
Formula (2), corresponding illumination ImaxnIllumination is imaged for highest；
D, by the minimum imaging illumination I of the obtained automatic gate image intensifier of step BminnThe automatic gate obtained with step C is as increasing
Illumination I is imaged in the highest of strong devicemaxnIt brings formula (3) into, obtains the dynamic range for gating image intensifier automatically:
HDR=20lg (Imaxn/Iminn) (3)。
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