CN105157587B - A kind of aperture of iris diaphgram and the measuring mechanism and method of driving lever corner - Google Patents
A kind of aperture of iris diaphgram and the measuring mechanism and method of driving lever corner Download PDFInfo
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- CN105157587B CN105157587B CN201510604285.4A CN201510604285A CN105157587B CN 105157587 B CN105157587 B CN 105157587B CN 201510604285 A CN201510604285 A CN 201510604285A CN 105157587 B CN105157587 B CN 105157587B
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Abstract
The invention discloses a kind of aperture of iris diaphgram and the measuring mechanism and method of driving lever corner, including iris diaphgram tumbler, iris diaphgram tumbler (1) is tubulose, including motor stator (1 2), rotor (1 3), left retainer ring (1 8), right retainer ring (1 4), transition rings (1 5) and screens ring (1 6).The present invention is simple in construction, method is easy, the resistance of toroidal rheostat is corresponding with tested iris diaphgram driving lever rotational angle, thus rapidly and accurately it can carry out accurate measurement to being tested hole profile, clear field and driving lever corner of the iris diaphgram under different working condition, relation between tested driving lever corner and pore size of the iris diaphgram under different conditions of monitoring feedback in real time, the online accurate measurement of tested iris diaphgram driving lever crank degree and pore size under different conditions is realized, basic condition guarantee is provided for optical system technical research and system adjustment.
Description
Technical field
The present invention relates to Precision Inspection field, specifically be a kind of iris diaphgram aperture and driving lever corner
Measuring mechanism and method.
Background technology
Diaphragm refers to that, for being constrained to the optical system part as beam size or imaging space scope, limitation passes through optical system
Light energy, limit optics in harmful veiling glare, improve image quality.Diaphragm caliber size directly determines F numbers, and then influences whole
The illuminance of image plane of individual optical system, is computed, if Entry pupil diameters D is less than theoretical value 0.1mm, energy can lose 18%, influence
The image quality of whole optical system.The measurement of some radiology and light measurement is using high-acruracy survey precision aperture area as base
Plinth, aperture diaphragm area size limit incident light geometric areas, determine calculate radiant illumination when incident area with
And the solid angle of radiance, therefore the area of high-acruracy survey aperture diaphragm has vital meaning.
Tested iris diaphgram adjusts the aperture of different-diameter with suitable for a variety of optical systems by pulling driving lever
System, is widely used in space flight and the first-class field of military defense project.For tested iris diaphgram, to tested iris diaphgram not
With pore size under working condition, area and driving lever corner carry out accurate measurement be it is very important, it is simply visual to it at present
Visual examination, the documentary evidence that dispatches from the factory of checking processing side, practical operation situation of just being tested during production debugging, if any
Quality problems, which are changed, has influenceed project process.
The content of the invention
It is easy to operate it is an object of the invention to provide a kind of simple in construction, tested iris aperture and driving lever are turned
Angle carries out the device and method of accurate measurement.
The present invention provides following technical scheme：
A kind of iris diaphgram tumbler in the aperture for adjusting iris diaphgram, it is characterized in that：The iris diaphgram
Tumbler 1 is tubulose, including motor stator 1-2, rotor 1-3, left retainer ring 1-8, right retainer ring 1-4, transition rings 1-5
With screens ring 1-6,
Screens ring set is connected on the left side of right retainer ring, and screens groove is provided with along the axial direction of screens ring, and screens groove is used for pair
Tested iris diaphgram driving lever 1-71 screens, is tested tight fit between iris diaphgram driving lever and screens groove；
Transition rings and motor stator 1-2 are followed successively by the right side of screens ring, transition rings and motor stator 1-2 are socketed in right fixation
On ring 1-4；The rotor is socketed in transition rings, and rotor is connected with screens ring；
Gap cooperation or tight fit between transition rings and right retainer ring, motor stator and right retainer ring tight fit；Motor turns
Gap coordinates between son and transition rings；
Left retainer ring is connected with the inner thread of the transverse part, is provided between left retainer ring and right retainer ring to place
The space of tested iris diaphgram, the right-hand member of left retainer ring are used for the left side for contacting tested iris diaphgram fixed frame, right retainer ring
Left end be used to contact the right side of tested iris diaphgram fixed frame；
Toroidal rheostat is provided between the right-hand member of screens ring and right retainer ring, if rotor rotates, rotor drives
Dynamic screens ring 1-6 is rotated, and it is big that screens ring 1-6 drives tested iris diaphgram driving lever 1-71 rotations to change tested iris aperture
It is small, at the same in screens ring rotation process change toroidal rheostat resistance.
Above-mentioned screens ring includes transverse part and vertical portion, and vertical portion is arranged on right-hand member of the weighing apparatus to portion, and the screens groove is located at
On transverse part, the rotor is connected with vertical portion；
The iris diaphgram tumbler 1 also includes supporting part, and supporting part includes support column and supporting plate；Support column it is upper
End is fixedly connected with the right retainer ring, and lower end is fixedly connected with supporting plate.
Supporting part also includes support ring；
Support ring is fixedly connected with the right side of the right retainer ring by screw, the lower end of support ring and the support column
Upper end be fixedly connected；
The rotor is ultrasound electric machine rotor, and motor stator is ultrasonic motor stator.
Above-mentioned support column, support ring and supporting plate are integral.
Including above-mentioned tumbler, in addition to photoelectricity photogrammeter 2 and intermediate junction device 4, backlight illuminating system 3
With for rotate the tumbler and adjust the tumbler pitching iris diaphgram adjusting apparatus 8,；
The iris diaphgram tumbler 1 and iris diaphgram adjusting apparatus 8 are arranged at electrophotographic measuring instrument 2 and backlight is shone
Between bright system 3, iris diaphgram tumbler 1 is fixed in iris diaphgram adjusting apparatus 8；
The intermediate junction device includes left-hand rotation connect cylinder 4-1 and right-hand rotation connect cylinder 4-2, a left side for the iris diaphgram tumbler
Side is connected by left-hand rotation connect cylinder with photoelectricity photogrammeter 2, and the right side of iris diaphgram tumbler passes through right-hand rotation connect cylinder 4-2 and the back of the body
Lighting system 3 connects；
The photoelectricity photogrammeter 2, left-hand rotation connect cylinder 4-1, iris diaphgram tumbler 1, right-hand rotation connect cylinder 4-2 and backlight
Illuminator 3 is centrally disposed in same optical axis so that the outgoing beam of backlight illuminating system 3 impinges perpendicularly on iris diaphgram
On tumbler 1.
Intermediate junction device also includes left sleeve 5-1 and right sleeve 5-2；Left sleeve 5-1 is socketed in iris diaphgram and rotates dress
Put and the junction of left-hand rotation connect cylinder, and a left sleeve 5-1 part is socketed in left-hand rotation connect cylinder, another part is socketed in can darkening
On late tumbler, gap coordinates between left sleeve 5-1 and left-hand rotation connect cylinder；Right sleeve 5-2 is socketed in iris diaphgram tumbler
With a part for the junction of right-hand rotation connect cylinder, and right sleeve 5-2 is socketed in right-hand rotation connect cylinder, another part is socketed in iris diaphgram
On tumbler, gap coordinates between right sleeve 5-2 and right-hand rotation connect cylinder.
Above-mentioned backlight illuminating system 3 includes integrating sphere and halogen tungsten lamp light source, and integrating sphere is provided with light perforation hole and for connecing
Receive the receiver hole of halogen tungsten lamp light source；
The right side of iris diaphgram tumbler is connected by right-hand rotation connect cylinder 4-2 with the smooth perforation hole；
Light perforation hole, photoelectricity photogrammeter 2, left-hand rotation connect cylinder 4-1, iris diaphgram tumbler 1 and right-hand rotation connect cylinder 4-2
Center is respectively positioned in same optical axis.
Above-mentioned toroidal rheostat includes being arranged on the rheostat slide plate 1-10 of screens ring right-hand member inwall and is arranged on right fixation
The nickel-cadmium silk rheostat 1-9 of ring left end outer wall,
If screens ring 1-6 is rotated, it is sliding on nickel-cadmium silk rheostat 1-9 that screens annulus moves rheostat slide plate 1-10
It is dynamic.
Above-mentioned iris diaphgram adjusting apparatus 8 includes the pitching of adjustment iris diaphgram tumbler 1 and Rotary Variable diaphragm turns
The air-float turntable of dynamic device 1, the iris diaphgram tumbler 1 are connected on air-float turntable by the supporting plate of supporting part.
Above-mentioned measuring mechanism also includes industrial computer, and industrial computer is connected with toroidal rheostat, for gathering in real time
The resistance value of toroidal rheostat, the input of the output termination industrial computer of photoelectricity photogrammeter 2, photoelectricity photogrammeter
2 are used to gather in real time, are tested the optical imagery in iris diaphgram hole, and the optical imagery of collection is converted into CCD digital pictures, and
CCD digital pictures are sent to industrial computer；
Industrial computer is to the resistance value and the CCD digital pictures received, progress reality of the toroidal rheostat collected
When show and handle, calculate the form parameter of tested iris diaphgram different conditions lower opening and the corner information of driving lever, and to adopting
Collection and the information of processing file storage in real time.
The measuring method of iris aperture and driving lever corner is measured based on above-mentioned measuring mechanism, it is characterised in that：Specifically
Step is as follows：
1) tested iris diaphgram is inserted and be arranged between left retainer ring and right retainer ring to place tested iris diaphgram
Space in, by tested iris diaphgram driving lever screens in the screens groove of screens ring, and pass through left retainer ring and right retainer ring pair
Tested iris diaphgram carries out axial restraint；
2) power supply is opened, and keeps the light stability 4-6min of backlight illuminating system；
3) start iris diaphgram tumbler as requested, rotate rotor driving screens ring, screens annulus moves quilt
Survey iris diaphgram driving lever and rotate and change tested iris aperture size, while change annular variable resistance in screens ring rotation process
The resistance of device, the resistance of toroidal rheostat are corresponding with tested iris diaphgram driving lever rotational angle；
Simultaneously in screens ring rotation process, industrial computer gathers the resistance value of toroidal rheostat, photoelectricity photography in real time
Measuring instrument gather in real time ring be tested iris diaphgram hole optical imagery and, and the optical imagery of collection is converted into CCD digitized maps
Picture, and CCD digital pictures are sent to industrial computer in real time；
4) industrial computer is carried out to the resistance value of toroidal rheostat collected and the CCD digital pictures received
Real-time display is simultaneously handled, and calculates the form parameter of tested iris diaphgram different conditions lower opening and the corner information of driving lever, and right
The information of collection and processing files storage in real time.
Wherein, while in screens ring rotation process, the realtime graphic situation that is shown always according to industrial computer, adjustment can
Become diaphragm adjusting apparatus, make the gray scale of measurement image stable, clear-cut.
The present invention has following technique effect：
For the present invention using motor driving screens ring, screens ring changes tested iris diaphgram driving lever angle, while drives annular
Rheostat changes resistance, and industrial computer gathers the resistance value of toroidal rheostat, and the resistance of toroidal rheostat is variable with being tested
The aperture of the diaphragm and tested iris diaphgram driving lever angle are corresponding, and photoelectricity photogrammeter obtains the target figure in tested iris diaphgram hole
Picture, the image Real-time Feedback in tested iris diaphgram hole is transferred on industrial computer (image procossing display control program),
The present invention is simple in construction, and method is easy, the resistance of toroidal rheostat and tested iris diaphgram driving lever rotational angle pair
Should, thus can be rapidly and accurately to being tested hole profile, clear field and driving lever corner of the iris diaphgram under different working condition
Accurate measurement is carried out, in real time the pass between tested driving lever corner and pore size of the iris diaphgram under different conditions of monitoring feedback
System, realizes the online accurate measurement of tested iris diaphgram driving lever crank degree and pore size under different conditions, is optics
Research on system technology and system adjustment provide basic condition guarantee.
The present invention can detect the damaged flaw of tested iris diaphgram bore edges, reject defective work.
Brief description of the drawings
Fig. 1 be iris diaphgram aperture and driving lever corner measuring mechanism fundamental diagram.
Fig. 2 be iris diaphgram aperture and driving lever corner measuring mechanism signal control block diagram.
Fig. 3 is iris diaphgram tumbler main view profile.
Fig. 4 is iris diaphgram tumbler left view.
Fig. 5 is tested iris diaphgram schematic diagram.
1 be iris diaphgram tumbler in figure, 2 be photoelectricity photogrammeter, 2-1 be area array cameras, 2-2 to focus microspur
Optical lens, 3 be backlight illuminating system, 3-1 is integrating sphere, 4 be intermediate transit device, 4-1 is left-hand rotation connect cylinder, 4-2 is right-hand rotation
Connect cylinder, 5-1 are left sleeve, 5-2 is right sleeve, 6 is halogen tungsten lamp light source, 7 is image procossing display control program, 8 for can darkening
Late adjusting apparatus, 9 be optics support platform, 1-1 is support column, 1-2 is motor stator, 1-3 is rotor, 1-4 is right solid
Determine ring, 1-5 is transition rings, 1-6 is screens ring, 1-7 is tested iris diaphgram, 1-8 is left retainer ring, 1-9 is nickel-cadmium silk
Rheostat, 1-10 are rheostat slide plate, 1-71 is tested iris diaphgram driving lever, 1-72 is tested iris diaphgram fixed frame, 1-73
Be tested iris diaphgram blade for tested iris diaphgram rotating bezel, 1-74,1-75 be tested iris diaphgram hole profile.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings：
It is aperture and the measuring mechanism of driving lever corner of iris diaphgram provided by the invention referring to Fig. 1 to Fig. 5, including can
Become diaphragm tumbler 1, photoelectricity photogrammeter 2, backlight illuminating system 3, intermediate transit device 4, image procossing display control
System 7, optics support platform 9 and for rotate the tumbler and adjust the tumbler pitching iris diaphgram adjustment
Device 8；Iris diaphgram tumbler 1 is the iris diaphgram tumbler for adjusting the aperture of iris diaphgram.Image procossing shows
Industrial computer can be used by showing control system, optics support platform be mainly photoelectricity photogrammeter 2, backlight illuminating system 3, can
Become diaphragm adjusting apparatus 8, image procossing display control program 7 provides conplane supporting role.
Iris diaphgram tumbler 1 and iris diaphgram adjusting apparatus 8 are arranged at electrophotographic measuring instrument 2 and back lighting system
Between system 3, iris diaphgram tumbler 1 is fixed in iris diaphgram adjusting apparatus 8；
Wherein, iris diaphgram tumbler 1 is tubulose, including motor stator 1-2, rotor 1-3, left retainer ring 1-8,
Right retainer ring 1-4, transition rings 1-5 and screens ring 1-6；Rotor can use ultrasound electric machine rotor, and motor stator can use super
Acoustic-electric machine stator；
Screens ring set is connected on the left side of right retainer ring, and screens groove is provided with along the axial direction of screens ring, and screens groove is used for pair
Tested iris diaphgram driving lever 1-71 screens, is tested tight fit between iris diaphgram driving lever and screens groove；Or tested iris diaphgram
Driving lever is provided with external screw thread, and locking swivel nut is also cased with tested iris diaphgram driving lever, be tested iris diaphgram driving lever and screens groove it
Between gap coordinate, be tested the screens of iris diaphgram driving lever in screens groove when, the locking swivel nut be socketed in tested iris diaphgram dial
On bar, tested iris diaphgram driving lever is set to be fixed on screens ring.
Transition rings and motor stator 1-2 are followed successively by the right side of screens ring, transition rings and motor stator 1-2 are socketed in right fixation
On ring 1-4；Rotor is socketed in transition rings, and rotor is connected with screens ring；The concrete structure of wherein screens ring includes
Transverse part and vertical portion, vertical portion are arranged on right-hand member of the weighing apparatus to portion, and screens groove be located on transverse part, can by rotor with vertically
Portion is connected, and the vertical portion of rotor and screens ring 1-6 can be connected by four screw 1-31.
Gap cooperation or tight fit between transition rings and right retainer ring, motor stator and right retainer ring tight fit；Motor turns
Gap coordinates between son and transition rings.
Left retainer ring is connected with the inner thread of screens ring 1-6 transverse part, is provided between left retainer ring and right retainer ring
To place the space of tested iris diaphgram, the right-hand member of left retainer ring is used for the left side for contacting tested iris diaphgram fixed frame,
The left end of right retainer ring is used to contact the right side of tested iris diaphgram fixed frame, by by the right-hand member of left retainer ring with it is tested can
The left side contact of change diaphragm, the left end of right retainer ring contact with the right side of tested iris diaphgram, and tested iris diaphgram is consolidated
The end face for determining frame 1-72 carries out axial restraint, and then has just carried out axial restraint to tested iris diaphgram.
Tested iris diaphgram 1-7 is consolidated with tested iris diaphgram respectively by left retainer ring 1-8, right retainer ring 1-4 end face
The end contact for determining frame 1-72 carries out axial restraint；Left retainer ring 1-8 is connected through a screw thread with screens ring 1-6 front inner walls.
Toroidal rheostat is provided between the right-hand member of screens ring and right retainer ring, toroidal rheostat can be used for measurement tested variable
The angle that diaphragm driving lever 1-71 is rotated；If rotor rotates, rotor driving screens ring 1-6 is rotated, screens ring 1-6 bands
Dynamic tested iris diaphgram driving lever 1-71, which is rotated, changes tested iris aperture size, while changes in screens ring rotation process
The resistance of toroidal rheostat, the resistance of toroidal rheostat are corresponding with tested iris diaphgram driving lever 1-71 rotational angles.
Intermediate junction device includes left-hand rotation connect cylinder 4-1 and right-hand rotation connect cylinder 4-2, iris diaphgram tumbler pass on left a left side
Switching cylinder is connected with photoelectricity photogrammeter 2, and left-hand rotation connect cylinder 4-1 specifically can be with the cage connection of photoelectricity photogrammeter 2；It is variable
The right side of diaphragm tumbler is connected by right-hand rotation connect cylinder 4-2 with backlight illuminating system 3；
Photoelectricity photogrammeter 2, left-hand rotation connect cylinder 4-1, iris diaphgram tumbler 1, right-hand rotation connect cylinder 4-2 and back lighting
System 3 is centrally disposed in same optical axis so that the outgoing beam of backlight illuminating system 3 impinges perpendicularly on iris diaphgram rotation
On device 1.
Backlight illuminating system specifically may include integrating sphere 3 and halogen tungsten lamp light source, and halogen tungsten lamp light source provides uniformity preferably, surely
Fixed collimated light beam, light source is equably from the back side of object to be detected by that can obtain the profile of high-resolution；Set on integrating sphere
There are light perforation hole and the receiver hole for receiving halogen tungsten lamp light source, then the right side of iris diaphgram tumbler passes through right-hand rotation connect cylinder 4-
2 are connected with light perforation hole, light perforation hole, photoelectricity photogrammeter 2, left-hand rotation connect cylinder 4-1, iris diaphgram tumbler 1 and right-hand rotation
Connect cylinder 4-2 center is respectively positioned in same optical axis.
Iris diaphgram tumbler also includes supporting part, and supporting part includes support column 1-1 and supporting plate；The upper end of support column
It is fixedly connected with right retainer ring, lower end is fixedly connected with supporting plate.Supporting part also includes support ring；For this including support ring
Supporting part, support ring is fixedly connected with the right side of the right retainer ring by screw, the lower end of support ring and the support
The upper end of post is fixedly connected；Support column, support ring and supporting plate may also be integral.Support ring passes through four screw 1-11 and the right side
Retainer ring 1-4 right sides are axially coupled.
Intermediate junction device also includes left sleeve 5-1 and right sleeve 5-2；Left sleeve 5-1 is socketed in iris diaphgram and rotates dress
Put and the junction of left-hand rotation connect cylinder, and a left sleeve 5-1 part is socketed in left-hand rotation connect cylinder, another part is socketed in can darkening
On late tumbler, gap coordinates between left sleeve 5-1 and left-hand rotation connect cylinder；Right sleeve 5-2 is socketed in iris diaphgram tumbler
With a part for the junction of right-hand rotation connect cylinder, and right sleeve 5-2 is socketed in right-hand rotation connect cylinder, another part is socketed in iris diaphgram
On tumbler, gap coordinates between right sleeve 5-2 and right-hand rotation connect cylinder, so can in the left side of iris diaphgram tumbler 1 and
Right side forms " darkroom " without veiling glare, the prominent edge variation for being detected tested iris diaphgram hole, strengthens the topology knot of image
Structure, while the influence of spuious optical noise opposite side edge image can be effectively reduced, make the gray scale of measurement image it is stable, it is clear-cut,
Strengthen the edge contour feature in pending tested iris diaphgram hole, so as to ensure that measurement result is accurate, reliable.
Toroidal rheostat includes being arranged on the rheostat slide plate 1-10 of screens ring right-hand member inwall and is arranged on a right retainer ring left side
The nickel-cadmium silk rheostat 1-9 of outer wall is held, if screens ring 1-6 is rotated, screens annulus moves rheostat slide plate 1-10 in nickel
Slided on cadmium alloy silk rheostat 1-9.
Iris diaphgram tumbler 1 also includes supporting part, and supporting part 1-1 is inverted " t " type, supporting part bag support column and support
Plate；The upper end of support column is fixedly connected with right retainer ring, and lower end is fixedly connected with supporting plate, and support column is one with supporting plate
's.
Iris diaphgram adjusting apparatus 8 includes the pitching of adjustment iris diaphgram tumbler 1 and Rotary Variable diaphragm rotates dress
1 air-float turntable is put, iris diaphgram tumbler 1 is connected on air-float turntable by the supporting plate of supporting part, set in supporting plate
Four through holes are put, support column is coupled with the upper table surface of iris diaphgram adjusting apparatus 8, adjusting iris diaphgram by rotation, pitching turns
Dynamic device 1, makes the outgoing beam of the light perforation hole of integrating sphere 3 impinge perpendicularly on iris diaphgram tumbler 1, photoelectricity is photographed
The problems such as tested iris diaphgram hole contour images 1-75 that measuring instrument 2 collects is without diplopia, edge blurry.Iris diaphgram adjustment dress
It is to realize that tested iris diaphgram 1-7 keeps the key of optical axis collimation with photoelectricity photogrammeter 2, integrating sphere 3 to put 8.
If image procossing display control program uses industrial computer, industrial computer is connected with toroidal rheostat, is used for
In real time collection toroidal rheostat resistance value, photoelectricity photogrammeter 2 by area array cameras 2-1, focus microspur optical lens 2-2 groups
Into area array cameras 2-1 is the highly sensitive area array cameras area array cameras of high-resolution, and it is that high-resolution is determined to focus microspur optical lens 2-2
Burnt microspur optical lens, photoelectricity photogrammeter 2 are mainly used in obtaining the optical imagery in tested iris diaphgram hole, and by optical picture
As being converted to CCD digital pictures, iris diaphgram hole profile is tested to it and carries out accurate measurement；And will be that CCD digital pictures are real-time
Feedback transmission is on image procossing display control program.
Industrial computer is to the resistance value and the CCD digital pictures received, progress reality of the toroidal rheostat collected
When show and handle, calculate the form parameter of tested iris diaphgram different conditions lower opening and the corner information of driving lever, and to adopting
Collection and the information of processing file storage in real time.
In the present invention, image procossing display control program 7 is mainly soft by a desk-top industrial computer, a set of dedicated processes
The composition such as part, a USB cable, Serial Port Line.
The major function of image procossing display control program 7 is：1. control image pick-up card gathers that storage is tested in real time can
Become the image of aperture；2. the tested iris diaphgram driving lever rotational angle position of collection in real time and working condition；3. to image information
Handled in real time；4. tested iris diaphgram different conditions lower opening form parameter is calculated, and filing storage in real time；5. in industry control
Human-computer dialogue is realized on computer interface, shows correlated results.
Described tested iris aperture and driving lever corner precision measurement method is as follows：
1) tested iris diaphgram is inserted and be arranged between left retainer ring and right retainer ring to place tested iris diaphgram
Space in, by tested iris diaphgram driving lever screens in the screens groove of screens ring, and pass through left retainer ring and right retainer ring pair
Tested iris diaphgram carries out axial restraint；
2) power supply is opened, and keeps the light stability 4-6min of backlight illuminating system；
3) start iris diaphgram tumbler as requested, rotate rotor driving screens ring, screens annulus moves quilt
Survey iris diaphgram driving lever and rotate and change tested iris aperture size, while change annular variable resistance in screens ring rotation process
The resistance of device, the resistance of toroidal rheostat are corresponding with tested iris diaphgram driving lever rotational angle；
Simultaneously in screens ring rotation process, industrial computer gathers the resistance value of toroidal rheostat, photoelectricity photography in real time
Measuring instrument gather in real time ring be tested iris diaphgram hole optical imagery and, and the optical imagery of collection is converted into CCD digitized maps
Picture, and CCD digital pictures are sent to industrial computer in real time；
4) industrial computer is carried out to the resistance value of toroidal rheostat collected and the CCD digital pictures received
Real-time display is simultaneously handled, and calculates the form parameter of tested iris diaphgram different conditions lower opening and the corner information of driving lever, and right
The information of collection and processing files storage in real time.
Wherein, while in screens ring rotation process, the realtime graphic situation that is shown always according to industrial computer, adjustment can
Become diaphragm adjusting apparatus, make the gray scale of measurement image stable, clear-cut.
Realize tested iris diaphgram driving lever crank degree and pore size, online essence of clear field under different conditions
Close measurement.
Iris diaphgram tumbler 1, can also be to having assembled with can darkening by changing the shape of clamping tooling
The entrance pupil of door screen, emergent pupil caliber size carry out accurate measurement；By changing the shape of clamping tooling, particular size can also be consolidated
Determine diaphragm profile and caliber size carries out accurate measurement.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to is assert
The embodiment of the present invention is only limitted to this, for general technical staff of the technical field of the invention, is not taking off
On the premise of from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention by institute
Claims of submission determine scope of patent protection.
Claims (10)
1. a kind of aperture of iris diaphgram and the measuring mechanism of driving lever corner, it is characterised in that：Including
Iris diaphgram tumbler (1), the iris diaphgram tumbler (1) are tubulose, including motor stator (1-2), motor
Rotor (1-3), left retainer ring (1-8), right retainer ring (1-4), transition rings (1-5) and screens ring (1-6),
Screens ring set is connected on the left side of right retainer ring, is provided with screens groove along the axial direction of screens ring, screens groove is used for tested
Iris diaphgram driving lever (1-71) screens, it is tested tight fit between iris diaphgram driving lever and screens groove；
Transition rings and motor stator (1-2) are followed successively by the right side of screens ring, transition rings and motor stator (1-2) are socketed in right fixation
On ring (1-4)；The rotor is socketed in transition rings, and rotor is connected with screens ring；
Gap cooperation or tight fit between transition rings and right retainer ring, motor stator and right retainer ring tight fit；Rotor with
Gap coordinates between transition rings；
Left retainer ring is connected with the inner thread of the transverse part of screens ring, is provided between left retainer ring and right retainer ring to place
The space of tested iris diaphgram, the right-hand member of left retainer ring are used for the left side for contacting tested iris diaphgram fixed frame, right retainer ring
Left end be used to contact the right side of tested iris diaphgram fixed frame；
Toroidal rheostat is provided between the right-hand member of screens ring and right retainer ring, if rotor rotates, rotor driving card
Position ring (1-6) rotates, and it is big that screens ring (1-6) drives tested iris diaphgram driving lever (1-71) rotation to change tested iris aperture
It is small, at the same in screens ring rotation process change toroidal rheostat resistance；
Also include photoelectricity photogrammeter (2) with intermediate junction device (4), backlight illuminating system (3) and for rotating described turn
Dynamic device simultaneously adjusts the iris diaphgram adjusting apparatus (8) of the tumbler pitching；
The iris diaphgram tumbler (1) and iris diaphgram adjusting apparatus (8) are arranged at photoelectricity photogrammeter (2) and the back of the body
Between lighting system (3), iris diaphgram tumbler (1) is fixed in iris diaphgram adjusting apparatus (8)；
The intermediate junction device includes left-hand rotation connect cylinder (4-1) and right-hand rotation connect cylinder (4-2), a left side for the iris diaphgram tumbler
Side is connected by left-hand rotation connect cylinder with photoelectricity photogrammeter (2), and the right side of iris diaphgram tumbler passes through right-hand rotation connect cylinder (4-2)
It is connected with backlight illuminating system (3)；
The photoelectricity photogrammeter (2), left-hand rotation connect cylinder (4-1), iris diaphgram tumbler (1), right-hand rotation connect cylinder (4-2), with
Backlight illuminating system (3) are centrally disposed in same optical axis so that the outgoing beam of backlight illuminating system (3) impinges perpendicularly on
On iris diaphgram tumbler (1).
2. measuring mechanism according to claim 1, it is characterised in that：
The screens ring includes transverse part and vertical portion, and vertical portion is arranged on the right-hand member of transverse part, and the screens groove is positioned at laterally
In portion, the rotor is connected with vertical portion；
The iris diaphgram tumbler (1) also includes supporting part, and supporting part includes support column and supporting plate；The upper end of support column
It is fixedly connected with the right retainer ring, lower end is fixedly connected with supporting plate.
3. measuring mechanism according to claim 2, it is characterised in that：Supporting part also includes support ring；
Support ring is fixedly connected with the right side of the right retainer ring by screw, and the lower end of support ring is upper with the support column
End is fixedly connected；
The rotor is ultrasound electric machine rotor, and motor stator is ultrasonic motor stator.
4. measuring mechanism according to claim 3, it is characterised in that：The support column, support ring and supporting plate are one
's.
5. measuring mechanism according to any one of claims 1 to 4, it is characterised in that：Intermediate junction device also includes left sleeve
(5-1) and right sleeve (5-2)；Left sleeve (5-1) is socketed in the junction of iris diaphgram tumbler and left-hand rotation connect cylinder, and left set
A part for cylinder (5-1) is socketed in left-hand rotation connect cylinder, another part is socketed on iris diaphgram tumbler, left sleeve (5-1)
Gap coordinates between left-hand rotation connect cylinder；Right sleeve (5-2) is socketed in the junction of iris diaphgram tumbler and right-hand rotation connect cylinder, and
A part for right sleeve (5-2) is socketed in right-hand rotation connect cylinder, another part is socketed on iris diaphgram tumbler, right sleeve
Gap coordinates between (5-2) and right-hand rotation connect cylinder.
6. measuring mechanism according to claim 5, it is characterised in that：The backlight illuminating system (3) include integrating sphere and
Halogen tungsten lamp light source, integrating sphere are provided with light perforation hole and the receiver hole for receiving halogen tungsten lamp light source；
The right side of iris diaphgram tumbler is connected by right-hand rotation connect cylinder (4-2) with the smooth perforation hole；
Light perforation hole, photoelectricity photogrammeter (2), left-hand rotation connect cylinder (4-1), iris diaphgram tumbler (1) and right-hand rotation connect cylinder (4-
2) center is respectively positioned in same optical axis.
7. measuring mechanism according to claim 6, it is characterised in that：The toroidal rheostat includes being arranged on the screens ring right side
Hold the rheostat slide plate (1-10) of inwall and be arranged on the nickel-cadmium silk rheostat (1-9) of right retainer ring left end outer wall,
If screens ring (1-6) rotates, screens annulus moves rheostat slide plate (1-10) on nickel-cadmium silk rheostat (1-9)
Slide.
8. measuring mechanism according to claim 7, it is characterised in that：The iris diaphgram adjusting apparatus (8) includes adjustment
The pitching of iris diaphgram tumbler (1) and the air-float turntable of Rotary Variable diaphragm tumbler (1), the iris diaphgram turn
Dynamic device (1) is connected on air-float turntable by the supporting plate of supporting part.
9. measuring mechanism according to claim 8, it is characterised in that：Measuring mechanism according to claim 6, it is special
Sign is：The measuring mechanism also includes industrial computer, and industrial computer is connected with toroidal rheostat, for gathering ring in real time
The resistance value of shaped varistor, the input of the output termination industrial computer of photoelectricity photogrammeter (2), photoelectricity photogrammeter
(2) it is used to gather in real time, is tested the optical imagery in iris diaphgram hole, and the optical imagery of collection is converted into CCD digital pictures,
And CCD digital pictures are sent to industrial computer；
Industrial computer is shown in real time to the resistance value of toroidal rheostat collected and the CCD digital pictures received
Show and handle, calculate the form parameter of tested iris diaphgram different conditions lower opening and the corner information of driving lever, and to collection and
The information of processing files storage in real time.
10. the measuring method of iris aperture and driving lever corner is measured based on the measuring mechanism described in claim 1 to 9, its
It is characterised by：Comprise the following steps that：
1) tested iris diaphgram is inserted and be arranged between left retainer ring and right retainer ring to place the sky of tested iris diaphgram
In gap, by tested iris diaphgram driving lever screens in the screens groove of screens ring, and by left retainer ring and right retainer ring to tested
Iris diaphgram carries out axial restraint；
2) power supply is opened, and keeps the light stability 4-6min of backlight illuminating system；
3) it is as requested to start iris diaphgram tumbler, rotate rotor driving screens ring, dynamic be tested of screens annulus can
Become diaphragm driving lever and rotate the tested iris aperture size of change, while change toroidal rheostat in screens ring rotation process
Resistance, the resistance of toroidal rheostat are corresponding with tested iris diaphgram driving lever rotational angle；
Simultaneously in screens ring rotation process, industrial computer gathers the resistance value of toroidal rheostat in real time, and photoelectricity is photogrammetric
Instrument gather in real time ring be tested iris diaphgram hole optical imagery and, and the optical imagery of collection is converted into CCD digital pictures, and
CCD digital pictures are sent to industrial computer in real time；
4) industrial computer is carried out real-time to the resistance value of toroidal rheostat collected and the CCD digital pictures received
Show and handle, calculate the form parameter of tested iris diaphgram different conditions lower opening and the corner information of driving lever, and to collection
And the information of processing files storage in real time；
Wherein, while in screens ring rotation process, the realtime graphic situation that is shown always according to industrial computer, adjustment can darkening
Late adjusting apparatus, make the gray scale of measurement image stable, clear-cut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510604285.4A CN105157587B (en) | 2015-09-21 | 2015-09-21 | A kind of aperture of iris diaphgram and the measuring mechanism and method of driving lever corner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510604285.4A CN105157587B (en) | 2015-09-21 | 2015-09-21 | A kind of aperture of iris diaphgram and the measuring mechanism and method of driving lever corner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105157587A CN105157587A (en) | 2015-12-16 |
| CN105157587B true CN105157587B (en) | 2017-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510604285.4A Expired - Fee Related CN105157587B (en) | 2015-09-21 | 2015-09-21 | A kind of aperture of iris diaphgram and the measuring mechanism and method of driving lever corner |
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| Country | Link |
|---|---|
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032892A (en) * | 2009-09-29 | 2011-04-27 | 通用电气公司 | Azimuth angle measurement system and method for operating the same |
| CN103412390A (en) * | 2013-07-30 | 2013-11-27 | 中国科学院上海技术物理研究所 | Iris diaphragm aperture feedback device |
| CN205300516U (en) * | 2015-09-21 | 2016-06-08 | 中国科学院西安光学精密机械研究所 | Adjustment iris diaphragm's rotating device and iris diaphragm's measuring mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008128740A (en) * | 2006-11-17 | 2008-06-05 | Furukawa Electric Co Ltd:The | Rotation sensor |
-
2015
- 2015-09-21 CN CN201510604285.4A patent/CN105157587B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032892A (en) * | 2009-09-29 | 2011-04-27 | 通用电气公司 | Azimuth angle measurement system and method for operating the same |
| CN103412390A (en) * | 2013-07-30 | 2013-11-27 | 中国科学院上海技术物理研究所 | Iris diaphragm aperture feedback device |
| CN205300516U (en) * | 2015-09-21 | 2016-06-08 | 中国科学院西安光学精密机械研究所 | Adjustment iris diaphragm's rotating device and iris diaphragm's measuring mechanism |
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| Publication number | Publication date |
|---|---|
| CN105157587A (en) | 2015-12-16 |
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