CN206470531U - Optical detection apparatus - Google Patents
Optical detection apparatus Download PDFInfo
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- CN206470531U CN206470531U CN201621342588.XU CN201621342588U CN206470531U CN 206470531 U CN206470531 U CN 206470531U CN 201621342588 U CN201621342588 U CN 201621342588U CN 206470531 U CN206470531 U CN 206470531U
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Abstract
The utility model is related to optical detection apparatus, including target adjustment unit, and supporting station, CCD imaging units, the target adjustment unit includes target and the target being in the shape of a hemispheroid adjustment supporting device；The supporting station is located at the center that the target being in the shape of a hemispheroid adjusts supporting device；The CCD imaging units are located under the supporting station.The device structure is stable, and floor space is small, and with the big angle of visual field, cost is low.
Description
Technical field
The utility model is related to a kind of optical detection apparatus, more particularly to a kind of MTF (modulation transmission for detecting wide-angle lens
Function) performance equipment.
Background technology
Chinese patent 201610034263.3 discloses a kind of big angle of visual field focusing test machine.This big visual field focusing test
Machine is to irradiate camera lens module using source of parallel light, simulates infinite distance imaging so as to carry out focusing test, and source of parallel light, which is only served, beats
The effect of light, and the volume of source of parallel light is big, the arc support of fixed source of parallel light is set for monolithic, and arc support is provided with cunning
Groove, source of parallel light is arranged on arc support by chute.Therefore, the focusing detection means of this big angle of visual field focusing test machine
Structural instability.In addition, the dust detection box of the equipment is mounted on outside focusing detection means, this causes the weft element of equipment
Product is bigger, and floor space is bigger.The equipment does not possess the process of camera imaging, and accuracy of detection is low.
In recent years, with intelligent driving, smart home, intelligent wearable device rise, for these smart machines
Optical lens develops while developing to lightening and high pixel to big wide-angle, ultra-wide angle direction.High pixel is wide from now on
The application of angle mirror head will be popularized increasingly, and market demand also can be increasing, needed badly and adapted to big angle of visual field MTF performances inspection
Measurement equipment.
At present on the market, the equipment that can test wide-angle lens, such as German import Pro5, Pro9 equipment, these equipment are used
Be backwards projection, it is necessary to special cross hairs, fabrication cycle length (is typically needed 3 months), multiple visual field orientation are layouted setting camera lens
Phase unit, required lens camera group is large number of expensive (generally requiring 1+4+8=13 groups), causes integral device cost
High, maximum field of view's angle test scope is only 165 °.
The content of the invention
The purpose of this utility model is to provide a kind of optical detection apparatus, and the device structure is stable, and floor space is small, tool
There is the big angle of visual field, cost is low.
To achieve the above object, the utility model provides a kind of optical detection apparatus, including target adjustment unit, supporting
Platform, CCD imaging units, the target adjustment unit includes target and target adjustment supporting device；
The supporting station is located at the center that the target adjusts supporting device；
The CCD imaging units are located under the supporting station.
According to one side of the present utility model, the target adjustment supporting device is integrally in the shape of a hemispheroid, and it includes
In the guide rail of arc-shaped, for fixing the first fixed seat of the guide rail upper end, the second fixed seat and solid positioned at described first
Locating piece between reservation and second fixed seat, in addition to for fixing the 3rd fixed seat of the guide rail lower end.
According to one side of the present utility model, the guide rail is that the angle between eight, every guide rail is 45 °.
According to one side of the present utility model, the guide rail includes the guide rail of two speculars each other；
The radius of the guide rail is R, and R span is 350mm-600mm；
The thickness of the guide rail is T, and 4mm≤T≤10mm；
The width of the guide rail is W, and 20cm≤W≤30cm；
Between guide rail described in two panels at intervals of D, and 8mm≤D≤15mm.
According to one side of the present utility model, the target includes fixed target and mobile target；
The fixed target and mobile target include housing, positioned at the light source of the enclosure interior, light source diffusion plate and
Test card.
According to one side of the present utility model, the mobile target has mounting seat；
The mounting seat has along symmetrical two grooves of its center axis and positioning hole.
According to one side of the present utility model, the fixed target is fixedly mounted on the lower surface of second fixed seat
On；
The mobile target is movably supported on described by two grooves and the chimeric of guide rail described in two panels
On guide rail.
According to one side of the present utility model, the supporting station includes camera lens pallet fixed seat, adjustment support and level
Travel mechanism.
According to one side of the present utility model, the CCD imaging units include chip bearing mechanism, camera, for adjusting
The drive mechanism of whole chip bearing mechanism upper-lower position, the adjustment for adjusting the drive mechanism horizontal tilt situation is put down
Platform, three axial adjustment platforms and positioning boatswain chair.
According to one side of the present utility model, the chip bearing mechanism includes chip fulcrum bearing, for fixed described
The fixed station of chip fulcrum bearing.
According to one side of the present utility model, the chip bearing mechanism is disposed adjacent with the camera, the chip
Load carrier is fixedly supported upon in the drive mechanism, and the drive mechanism is fixedly supported upon on the adjustment platform, described to adjust
Leveling platform is fixedly supported upon on the three axial adjustment platform, and the three axial adjustment platform is fixedly supported upon on the positioning boatswain chair.
According to a kind of scheme of the present utility model, target adjustment unit and supporting station are respectively positioned on CCD imaging units, and
Target adjustment unit and supporting station are fixedly mounted on the upper surface of workbench, i.e. the upper space positioned at worktable frame.
And CCD imaging units are then fixedly mounted on the lower surface of workbench, i.e., the lower space positioned at worktable frame.It is such
Setting causes the compact conformation of equipment and reasonable, while reducing the horizontal volume of equipment, reduces the floor space of equipment.
According to a kind of scheme of the present utility model, the target adjustment supporting device being in the shape of a hemispheroid is spherical in shape with eight
The guide rail of convex structure, and every guide rail is made up of the identical guide rail of two panels.Fixed target is fixedly mounted at mark
On the lower surface of second fixed seat of target adjustment supporting device.Mobile target is movably supported on each guide rail.So
Setting can both cause target adjust supporting device structure more stablize, support it is relatively reliable, it is also possible that equipment can
To provide the different angles of visual field as needed, and test maximum field of view's angle is up to 170 ° even 190 °.
According to a kind of scheme of the present utility model, camera is electrically connected with the CCD chip being loaded in chip fulcrum bearing.Camera
Can receive by CCD chip into the electric signal that changes into of picture.It is this to complete the mark to different angles using a camera
Target collection image information can greatly economize on resources so as to complete the detection to camera lens, save cost.It has been provided simultaneously with efficiency
High, speed is fast, the advantages of accuracy is high.
According to a kind of scheme of the present utility model, lower surface installed in workbench of the boatswain chair by four suspension rods is positioned
On.Such setting may be such that the integral hoisting of CCD imaging units on the lower surface of workbench, while it is again fixed to position boatswain chair
In on the crossbeam that the lower space of worktable frame is set.Therefore the lower surface of CCD imaging units integral hoistings in workbench
It is fixed on again on crossbeam simultaneously so that it is firm that the structure of CCD imaging units and position are consolidated, it is to avoid CCD chip micro quivers
It is dynamic.It ensure that accuracy of detection and reliability.
Equipment of the present utility model uses forward projection, is consistent with Optical System Design principle, and required deployment cost is cheap
(only 1 group lens camera), with regard to the same measuring accuracy of similar Pro5, Pro9 can be reached with efficiently, and maximum field of view angle can be tested
Multiple spot is 170 °, and single-point is up to 190 °.
Brief description of the drawings
Fig. 1 is to schematically show the front view arranged according to the structure of optical detection apparatus of the present utility model；
Fig. 2 is the schematic perspective view for schematically showing the worktable frame according to optical detection apparatus of the present utility model；
Fig. 3 is the three-dimensional signal for schematically showing the target adjustment unit according to optical detection apparatus of the present utility model
Figure；
Fig. 4 is the sectional view for schematically showing the fixation target according to optical detection apparatus of the present utility model；
Fig. 5 is the sectional view for schematically showing the mobile target according to optical detection apparatus of the present utility model；
Fig. 6 is the main view for schematically showing fixation target and mobile target according to optical detection apparatus of the present utility model
Figure；
Fig. 7 is the stereogram for schematically showing the supporting station according to optical detection apparatus of the present utility model；
Fig. 8 is the stereogram for schematically showing the CCD imaging units according to optical detection apparatus of the present utility model；
Fig. 9 is to schematically show the tested lens performance suitable for monitoring according to optical detection apparatus of the present utility model
Whether qualified computer testing and control software interface；
Figure 10 is the stereogram for schematically showing the electric control unit according to optical detection apparatus of the present utility model.
Embodiment
, below will be to implementing in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The accompanying drawing used required in mode is briefly described.It should be evident that drawings in the following description are only that this practicality is new
Some embodiments of type, for those of ordinary skills, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
When being described for embodiment of the present utility model, term " longitudinal direction ", " transverse direction ", " on ", " under ",
"front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", the orientation expressed by " outer " or position relationship are
Based on the orientation or position relationship shown in relevant drawings, it is for only for ease of description the utility model and simplified and describes, without
It is that instruction or the signified device of hint or element must have specific orientation, with specific azimuth configuration and operation, therefore on
Term is stated it is not intended that to limitation of the present utility model.
The utility model is described in detail with reference to the accompanying drawings and detailed description, embodiment can not herein one
One repeats, but therefore embodiment of the present utility model is not defined in implementation below.
Fig. 1 is schematically illustrated in the form of front view to be set according to a kind of optical detection of embodiment of the present utility model
It is standby.As illustrated, according to a kind of embodiment of the present utility model, optical detection apparatus includes target adjustment unit 1, supporting station
2, CCD (charge coupling device) imaging units 3.Target adjustment unit 1, supporting station 2, CCD imaging units 3 are fixedly mounted on work
Make in platform frame 4.
Fig. 2 is schematically illustrated in the form of stereogram according to a kind of worktable frame of embodiment of the present utility model
4.As illustrated, in the present embodiment, worktable frame 4 includes top cover 401, the black transparent acrylic board of upper front is double
Enabling 402, the iron plate 403 and workbench 404 at two sides and the back side.Pass through top cover 401, double door 402, iron plate 403 and work
Platform 404 can form the closing space of the first half of worktable frame 4.This part both can be with the running status of supervision equipment, together
When can also avoid the interference of ambient light.Worktable frame 4 also includes singly opening iron plate door 405, two sides and the back of the body below front
The iron plate 406 in face and lower shoe 407.Work is formd by workbench 404, iron plate door 405, iron plate 406 and bottom plate 407
The closing space of the lower half of frame 4.This part be for protection equipment internal electric control unit and place computer set
Standby cabinet.In the present embodiment, the central area for the workbench 404 that the center section of worktable frame 4 is set is provided with
180mmX180mm square through hole 408, is that the upper and lower part space for causing worktable frame 4 is connected by this square through hole 408,
So that can be with UNICOM between the device of upper and lower part.In the present embodiment, the upper middle of the lower space of worktable frame 4
Position be provided with crossbeam, for stablizing CCD imaging units 3；4 are additionally provided with four angles of the bottom of worktable frame 4
Castor 409, for moving and fixing whole equipment.
According to a kind of embodiment of the present utility model, with reference to shown in Fig. 1 and Fig. 2, in worktable frame 4, target is adjusted
Whole unit 1 and supporting station 2 are respectively positioned on CCD imaging units 3, and target adjustment unit 1 and supporting station 2 are fixedly mounted on work
On the upper surface for making platform 404, i.e., the upper space positioned at worktable frame 4.And CCD imaging units 3 are then fixedly mounted at work
On the lower surface for making platform 404, i.e., the lower space positioned at worktable frame 4.In the present embodiment, target adjustment unit 1, branch
Central axis of the central axis of cushion cap 2 with square through hole 408 is overlapped.It is such to set, it can make it that the structure of equipment is tight
Gather and rationally, while reducing the horizontal volume of equipment, reduce the floor space of equipment.
Fig. 3 is schematically illustrated in the form of stereogram adjusts single according to a kind of target of embodiment of the present utility model
Member 1.As shown in figure 3, target adjustment unit 1 includes target 101 and the target being in the shape of a hemispheroid adjustment supporting device 102.Knot
Close shown in Fig. 1 and Fig. 3, supporting station 2 is to be located at the sphere center position that the target being in the shape of a hemispheroid adjusts supporting device 102.
According to a kind of embodiment of the present utility model, as shown in figure 3, target adjustment supporting device 102 is led including eight
Rail 1021, the first fixed seat 1022, the second fixed seat 1023, the fixed seat 1025 of locating piece 1024 and the 3rd.In present embodiment
In, each guide rail 1021 is in convex structure, and the upper end of each guide rail 1021 is fixed by the first fixed seat 1022, second
Together with seat 1023 is fixedly clamped with locating piece 1024.So allow for eight guide rails 1021 upper end be also secured to first consolidate
Between the fixed seat 1023 of reservation 1022 and second, at this moment lower end just scatter so that eight guide rails 1021 are overall in a hemisphere
Shape.In the present embodiment, the lower end of eight articles of guide rails 1021 is fixedly mounted on workbench by the 3rd positioning seat 1025
On 404 upper surface.In the present embodiment, the distance between eight guide rails 1021 are identical with angle, between each guide rail
It is 45 ° to be separated by angle.
According to a kind of embodiment of the present utility model, as shown in figure 3, guide rail 1021 is by the identical guide rail of two panels
What body 1021a was constituted, and two panels guide rail 1021a speculars each other.In the present embodiment, guide rail 1021a radius
It is 350mm-600mm for R, and R span.Such set make it that the lens imaging of detection is clear, and will not cause and set
Standby volume is excessive.In the present embodiment, guide rail 1021a thickness is T, and 4mm≤T≤10mm.Guide rail 1021a's
Width is W, and 20cm≤W≤30cm.Between two panels guide rail 1021a at intervals of D, and 8mm≤D≤15mm.It is such to set
Put and make it that the volume of equipment will not be excessive, while rational in infrastructure, one end of guide rail 1021 passes through two panels guide rail 1021a and first
Fixed seat 1022, the second fixed seat 1023 are fixedly connected with locating piece 1024, and the other end is also by two panels guide rail 1021a and
Three positioning seats 1025 are fixedly connected so that overall structure is more stablized, and are supported relatively reliable.According to of the present utility model a kind of real
Mode is applied, as shown in figure 3, target 101 can be divided into fixed target 1011 and mobile target 1012.In the present embodiment, it is fixed
Target 1011 is fixedly mounted on the lower surface of the second fixed seat 1023.Mobile target 1012 is then movably supported on
On each guide rail 1021.Such setting may be such that in detector lens that equipment can provide the different angles of visual field as needed,
It is that the different angles of visual field can be achieved by adjusting position of the mobile target 1012 on each guide rail 1021.
Fig. 4 schematically illustrates the fixation target according to a kind of embodiment of the present utility model in cut away view
1011。
Fig. 5 schematically illustrates the mobile target according to a kind of embodiment of the present utility model in cut away view
1012。
Fig. 6 schematically illustrates the fixation target according to a kind of embodiment of the present utility model in the form of front view
1011 and mobile target 1012.
As shown in Figure 4 and Figure 5, in the present embodiment, fixed target 1011 and mobile target 1012 include housing
1011a, the light source 1011b inside housing 1011a, light source diffusion plate 1011c and test card 1011d.In present embodiment
In, test card 1011d is supported on housing 1011a, that is, constitutes the operative end surface of target 101.In the present embodiment, such as Fig. 6
Shown, test card 1011d is with the cross one another square film target in black and white right angle for tilting sword side.Such set causes
Test card 1011d captures the black and white in two directions anyhow of sword side intersection position in its image planes after by tested lens imaging
Gray scale, spatial frequency response (Spatial frequency response) algorithm based on ISO12233, is divided by software
Analysis calculation, quickly to be tested camera lens optical property make evaluation of measuring and determine whether it is qualified.In the present embodiment, light source
Diffuser plate 1011c is arranged in housing 1011a, and under test card 1011d.Light source 1011b is also mounted at housing 1011a
It is interior, and under light source diffusion plate 1011c.In the present embodiment, light source 1011b is LED annulus uniforms source of light, i.e. light source
1011b is the light source for encompassing a circle, and centre is the lower section for being looped around light source diffusion plate 1011c of hollow shape.It is such to set
Allow for light equably the impinging upon on light source diffusion plate 1011c in circulating type that light source 1011b is sent.
According to a kind of embodiment of the present utility model, as shown in figure 5, mobile target 1012 has mounting seat 1013.Peace
Filling seat 1013 has along the symmetrical two groove 1013a and positioning hole 1013b of its center axis.In the present embodiment, move
Dynamic target 1012 can again be passed through afterwards by two in mounting seat 1013 groove 1013a and two panels guide rail 1021a Qian He
The cooperation of target fixed knob 1014 and the positioning hole 1013b in mounting seat 1013 is movably supported on guide rail 1021.Lead
There is scale marker on rail 1021, when adjusting position of the mobile target 1012 on guide rail 1021, can be fixed by unscrewing target
Knob 1014 promotes mobile target 1012 to screwing target fixed knob 1014 again at the scale specified.Such setting makes
Process must be adjusted simple and convenient, and precision is high, the angle of visual field formed in a device is more accurate.
According to a kind of embodiment of the present utility model, target 101 is on target adjustment supporting device 102 in three circle rows
Cloth.First lap is individually made up of fixed target 1011.Second circle is made up of four mobile targets 1012, and each mobile target 1012
Angle relative to the center of circle of residing circle is 90 °, i.e., be separated by a guide rail 1021 between each mobile target of the second circle.3rd circle
It is made up of eight mobile targets 1012, the angle in each mobile center of circle of the target 1012 relative to residing circle is 45 °.It is such to set
The different angles of visual field can be formed so that measuring accuracy is high, effect is good.
According to another embodiment of the present utility model, the quantity of mobile target 1012 can increase, increased quantity
Depending on specific detection case, the quantity of target 101 is more, and test effect can be better.
Fig. 7 schematically illustrates the supporting station 2 according to a kind of embodiment of the present utility model in the form of stereogram.Such as
Shown in figure, supporting station 2 includes camera lens pallet fixed seat 201, adjustment support 202 and horizontal mobile mechanism 203.In present embodiment
In, detector lens are contained in pallet, and pallet can be fixedly mounted in camera lens pallet fixed seat 201, and pallet fixed seat 201 is supported
On adjustment support 202.Adjust support 202 and be provided with adjusting screw, be on adjustable adjustment support 202 by adjusting screw
Camera lens pallet fixed seat 201 and the pallet of camera lens is contained with to horizontality.In the present embodiment, horizontal mobile mechanism 203
Being moved along in X-axis and Y direction for camera lens pallet fixed seat 201 can be adjusted.It will can be contained by horizontal mobile mechanism 203
The pallet for putting camera lens is moved to center and the fixation of workbench 404.Such setting may be such that position of the camera lens in test
Put precisely errorless, and adjustment process is simple and convenient, precision is high.In the present embodiment, detected multiple camera lenses are contained in support
In disk, pallet is fixedly mounted in camera lens pallet fixed seat 201.So, it is around supporting station 2 and upper when equipment works
When the target adjustment unit 1 of side projects polishing to the camera lens in the pallet on supporting station 2, you can form different field of view angle,
And test maximum field of view's angle is up to 170 °.
According to another embodiment of the present utility model, a tested camera lens can also individually be loaded in camera lens pallet
Detected in fixed seat 201.When a camera lens, which is loaded in, to be detected in camera lens pallet fixed seat 201, due to departing from
The constraint of pallet, so tested camera lens was contained in a portion being blocked in pallet originally, at this moment can just expose.
In this case, when the tested camera lens of 1 pair of target adjustment unit around and above tested camera lens projects polishing, you can formed more
Big field of view angle, test maximum field of view's angle is up to 190 °.
Fig. 8 is schematically illustrated in the form of stereogram is imaged list according to a kind of CCD of embodiment of the present utility model
Member 3.As illustrated, CCD imaging units 3 include chip bearing mechanism 301, camera 302, drive mechanism 303 adjusts platform 304,
Three axial adjustment platforms 305 and positioning boatswain chair 306.In the present embodiment, chip bearing mechanism 301 can pass through drive mechanism
303 driving upper and lower displacement, drive mechanism 303 can be by controlling adjustment platform 304 to incline to adjust the level of drive mechanism 303
Ramp-like condition.In the present embodiment, three axial adjustment platforms 305 be for adjust CCD imaging units 3 along X-axis, Y-axis and Z axis three
The movement in individual direction, so it can ensure that the center of the chip and tested camera lens carried in chip bearing mechanism 301 can be right
It is accurate.In the present embodiment, drive mechanism 303 can use motor.
According to a kind of embodiment of the present utility model, chip bearing mechanism 301 includes chip fulcrum bearing 3011, for solid
Determine the fixed station 3012 of chip fulcrum bearing 3011.In the present embodiment, the chip of detector lens is coordinated to be loaded in chip
In fulcrum bearing 3011.Chip fulcrum bearing 3011 is removably joined together with fixed station 3012 by screw.It is such to set
The replacing and maintenance of chip fulcrum bearing 3011 and fixed station 3012 can be facilitated.In the present embodiment, camera 302 is with being loaded in
CCD chip electrical connection in chip fulcrum bearing 3011.Camera 302 can receive by CCD chip into the electric signal that changes into of picture.
It is this to be completed to the target collection image information of different angles using a camera 302 so as to complete the detection to camera lens,
It can greatly economize on resources, save cost.
According to a kind of embodiment of the present utility model, set as shown in figure 8, chip bearing mechanism 301 is adjacent with camera 302
Put, chip bearing mechanism 301 is fixedly supported upon in drive mechanism 303, drive mechanism 303 is fixedly supported upon the adjustment platform
On 304, adjustment platform 304 is fixedly supported upon on three axial adjustment platforms 305, and three axial adjustment platforms 305 are fixedly supported upon positioning and hung
On plate 306.In the present embodiment, four corner mounting holes of boatswain chair 306 are positioned, one end of four suspension rods is pacified by mounting hole
On positioning boatswain chair 306, the other end of four suspension rods is then fixedly mounted on the lower surface of workbench 404.It is such to set
Put and may be such that the integral hoisting of CCD imaging units 3 on the lower surface of workbench 404, while position boatswain chair 306 is fixed on work again
Make on the crossbeam of lower space setting of platform frame 4.Therefore lower surface of the integral hoisting of CCD imaging units 3 in workbench 404
It is fixed on again on crossbeam simultaneously so that it is firm that the structure of CCD imaging units 3 and position are consolidated, it is to avoid CCD chip micro quivers
It is dynamic.
Fig. 9 is schematically illustrated is used for whether monitoring tested lens performance according to a kind of embodiment of the present utility model
Qualified computer testing and control software interface.As illustrated, this software interface includes four parts, respectively operating space
Domain, MTF shows and judged region, and defocusing curve viewing area and pallet are shown and operating area.In the present embodiment, calculate
Machine is electrically connected with optical detection apparatus, and this test and control software are opened by computer, by this software interface to detection mirror
Whether the performance of head is qualified to be monitored.In the present embodiment, the basic letters such as the quantity that operating area can be to being tested camera lens
Operation is filled in breath progress, while can be shown to the qualified and underproof quantity of detector lens.MTF shows and judged area
Domain, defocusing curve viewing area is then that the modulation transfer function formed in software to being tested camera lens carries out analysis judgement and aobvious
Show.Pallet is shown and operating area can clearly show that the quality of tested number of shots and performance in pallet, this region
In each cell be to represent a tested camera lens, when tested camera lens performance test is qualified, cell be shown as green；
When tested camera lens performance test is unqualified, cell is to be shown as red.Scram button is additionally provided with this region, according to survey
Examination situation can stop test job in time.In the present embodiment, it is that can complete test by this computer software interface
Optical detection with control device works.
Figure 10 is schematically illustrated in the form of stereogram according to a kind of optical detection of embodiment of the present utility model
The internal electric control unit 6 of equipment.As illustrated, the bottom that the electric control unit 6 of equipment is arranged on worktable frame 4 is empty
Between rear side side fixed plate on.The collection of electric control unit 6 light source power of target 101 of equipment, horizontal mobile mechanism 203
Power supply, the power supply of drive mechanism 303 and computer power supply are in one.Such to set in the sets of lines for causing equipment, arrangement is closed
Reason, will not work because of the chaotic Interference Detection of circuit, while convenient maintenance and debugging efforts.
It is as follows the step of actually detected lens optical performance according to arrangement above：
First, CCD chip is loaded in chip fulcrum bearing 3011, drive mechanism 303 is adjusted by adjusting platform 304
Horizontal tilt situation after, utilize three axial adjustment platforms 305 adjustment chip to the lower surface of workbench 404 below centre bit
Put, then control drive mechanism 303 to adjust the upper-lower position of chip by computer, untill suitable position.
Next, camera lens pallet fixed seat 201 is arranged on by a camera lens to be measured or the pallet for holding multiple camera lenses to be measured
On, by adjusting support 202 by camera lens to be measured or holding the pallet of camera lens to be measured and adjust to horizontality.Afterwards by calculating
Machine controlled level travel mechanism 203 is by camera lens to be measured or holds the pallet of camera lens to be measured and is moved to the centre bit of workbench 404
Put so that camera lens to be measured holds a camera lens in the pallet of camera lens to be measured and the chip center pair of the lower section of workbench 404
It is accurate.
Then, according to adjusting position of the mobile target 1012 on each guide rail 1021 the need for actually detected so that fixed
Target 1011 can provide different field of view angle with mobile target 1012 for detector lens.
Hereafter, camera lens is controlled to be detected that target 101 passes through projection light during detection by computer testing and control software
Beam irradiation is detected camera lens, and detector lens constitute camera module with CCD chip below, and detector lens and CCD chip are common
Target 101 is shot, after shooting by CCD chip into picture change into electric signal and send camera 302 to, then by camera
302 electric signals received are directly output to computer, are delivered to the electric signal of computer just by computer testing and control
Software is analyzed and shown to this signal.The main interface of computer testing and control software show be detector lens and
CCD chip is analyzed the design sketch photographed by software the shooting effect figure of each target 101, judges whether it is qualified,
So as to be shown in the pallet at computer testing and control software interface show and operating area in.
Detect after what a camera lens, if also needing to detect other camera lenses, just pass through computer controlled level travel mechanism
203 are moved to next camera lens the position being aligned with CCD chip, repeat the above steps, go round and begin again, until completing in pallet
The test of all camera lenses.
The above is only enumerating for embodiment of the present utility model, for wherein not detailed description equipment and
Structure, it should be understood that take the existing common apparatus in this area and universal method to be practiced.
An embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for
For those skilled in the art, the utility model can have various modifications and variations.It is all in spirit of the present utility model and former
Within then, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (11)
1. a kind of optical detection apparatus, including target adjustment unit (1), supporting station (2), CCD imaging units (3), its feature exist
In the target adjustment unit (1) includes target (101) and target adjustment supporting device (102)；
The supporting station (2) is located at the center that the target adjusts supporting device (102)；
The CCD imaging units (3) are located under the supporting station (2).
2. optical detection apparatus according to claim 1, it is characterised in that the target adjustment supporting device (102) is whole
Body is in the shape of a hemispheroid, and it includes the guide rail (1021) in arc-shaped, and first for fixing the guide rail (1021) upper end is consolidated
Reservation (1022), the second fixed seat (1023) and positioned at first fixed seat (1022) and second fixed seat (1023)
Between locating piece (1024), in addition to for fixing the 3rd fixed seat (1025) of the guide rail (1021) lower end.
3. optical detection apparatus according to claim 2, it is characterised in that the guide rail (1021) is eight, every institute
It is 45 ° to state the angle between guide rail (1021).
4. optical detection apparatus according to claim 3, it is characterised in that the guide rail (1021) includes two mirrors each other
As symmetrical guide rail (1021a)；
The radius of the guide rail (1021a) is R, and R span is 350mm-600mm；
The thickness of the guide rail (1021a) is T, and 4mm≤T≤10mm；
The width of the guide rail (1021a) is W, and 20cm≤W≤30cm；
Between guide rail described in two panels (1021a) at intervals of D, and 8mm≤D≤15mm.
5. optical detection apparatus according to claim 1, it is characterised in that the target (101) includes fixed target
And mobile target (1012) (1011)；
The fixed target (1011) and mobile target (1012) include housing (1011a), in the housing (1011a)
The light source (1011b) in portion, light source diffusion plate (1011c) and test card (1011d).
6. optical detection apparatus according to claim 5, it is characterised in that the mobile target (1012) has mounting seat
(1013)；
The mounting seat (1013) has along symmetrical two grooves (1013a) of its center axis and positioning hole (1013b).
7. the optical detection apparatus according to claim 4 or 6, it is characterised in that the fixed peace of fixed target (1011)
On the lower surface of second fixed seat (1023)；
The mobile target (1012) is by two grooves (1013a) and the Qian He of guide rail (1021a) can described in two panels
Movably it is supported on the guide rail (1021), is locked when being moved to correct position with threaded target fixed knob (1014)
It is fixed.
8. optical detection apparatus according to claim 1, it is characterised in that the supporting station (2) is solid including camera lens pallet
Reservation (201), adjustment support (202) and horizontal mobile mechanism (203).
9. optical detection apparatus according to claim 1, it is characterised in that the CCD imaging units (3) are held including chip
Mounted mechanism (301), camera (302), the drive mechanism (303) for adjusting chip bearing mechanism (301) upper-lower position is used
In the adjustment platform (304) for adjusting drive mechanism (303) the horizontal tilt situation, three axial adjustment platforms (305) and positioning are hung
Plate (306).
10. optical detection apparatus according to claim 9, it is characterised in that the chip bearing mechanism (301) includes core
Piece fulcrum bearing (3011), the fixed station (3012) for fixing the chip fulcrum bearing (3011).
11. optical detection apparatus according to claim 9, it is characterised in that the chip bearing mechanism (301) with it is described
Camera (302) is disposed adjacent, and the chip bearing mechanism (301) is fixedly supported upon in the drive mechanism (303), the driving
Mechanism (303) is fixedly supported upon on the adjustment platform (304), and the adjustment platform (304) is fixedly supported upon three axle and adjusted
Flatten on platform (305), the three axial adjustment platform (305) is fixedly supported upon on the positioning boatswain chair (306).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621342588.XU CN206470531U (en) | 2016-12-08 | 2016-12-08 | Optical detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621342588.XU CN206470531U (en) | 2016-12-08 | 2016-12-08 | Optical detection apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN206470531U true CN206470531U (en) | 2017-09-05 |
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ID=59710666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621342588.XU Active CN206470531U (en) | 2016-12-08 | 2016-12-08 | Optical detection apparatus |
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| Country | Link |
|---|---|
| CN (1) | CN206470531U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109375470A (en) * | 2018-12-07 | 2019-02-22 | 歌尔股份有限公司 | A kind of test device, test macro and the test method of wide-angle mould group |
-
2016
- 2016-12-08 CN CN201621342588.XU patent/CN206470531U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109375470A (en) * | 2018-12-07 | 2019-02-22 | 歌尔股份有限公司 | A kind of test device, test macro and the test method of wide-angle mould group |
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