CN109991712A - A kind of U-shaped optical path debugging device and method of turning back - Google Patents
A kind of U-shaped optical path debugging device and method of turning back Download PDFInfo
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- CN109991712A CN109991712A CN201811463001.4A CN201811463001A CN109991712A CN 109991712 A CN109991712 A CN 109991712A CN 201811463001 A CN201811463001 A CN 201811463001A CN 109991712 A CN109991712 A CN 109991712A
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- turning back
- mounting surface
- optical system
- shaped optical
- shaped
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/023—Mountings, adjusting means, or light-tight connections, for optical elements for lenses permitting adjustment
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
- G02B7/1821—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors for rotating or oscillating mirrors
Abstract
The invention discloses a kind of U-shaped optical path debugging device and methods of turning back, the device includes: square frame, the square frame includes U-shaped frame and plate, the U-shaped erection is placed in the lower surface of plate, the plate lower surface is parallel with U-shaped frame bottom surface to form measuring basis, the first light hole and the second light hole are formed on the plate, the both ends lens mounting surface for the U-shaped optical system of turning back of repair；Five corner brackets, there are angled arrangements on five corner bracket, third light hole are formed in the plane of five corner brackets, the reflecting mirror mounting surface for the U-shaped optical system of turning back of repair.The invention has the advantages that realizing simple, solving U-shaped optical system of turning back can not quantitative detection reflecting mirror mounting surface and reference plane angle relationship, the practical problems such as installation accuracy is low, realize the real-time detection of reflecting mirror mounting surface and reference plane angle relationship, the precision controlling of path optics element mounting surface of turning back is completed, high-precision, the high efficiency adjustment of U-shaped optical system of turning back are realized.
Description
Technical field
The invention belongs to optics integration techno logy fields, and in particular to a kind of U-shaped turn back optical path debugging device and method are applicable in
In the high-accuracy adjustment of U-shaped optical system of turning back.
Background technique
U-shaped optical system of turning back is widely used in all kinds of optical detection systems, after U-shaped optical path of turning back, system
Outer dimension can effectively reduce, and meet the requirement of system structure densification, miniaturization.U-shaped reflecting system is generally by 2 planes
Reflecting element realizes that optical path is turned back, since reflecting system adjustment tolerance is tighter than general transmissive system, and each plane reflection member
There are 6 direction freedom degrees for part, if being not attached to predetermined position in the optical path, systematic optical axis can be made to deviate predetermined optical axis, then
Point is equivalent to the off-axis point of optical path after turnover on the axis of optical system, certainly will cause very big off-axis aberration, influence imaging clearly
Degree.Optical path of turning back at present assembly has the following problems: the micro-judgment reflecting mirror installation site for relying only on adjustment personnel exists very
Big blindness, time-consuming, and no standard measure, real-time detection reflecting mirror mounting surface and reference plane angle relationship, installation accuracy is low, influences
Optical system assembling quality.
Summary of the invention
It is an object of that present invention to provide a kind of U-shaped turn back optical path debugging device and methods, solve U-shaped optical system of turning back
Can not quantitative detection reflecting mirror mounting surface and reference plane angle relationship, the practical problems such as installation accuracy is low.
In view of this, present invention provide the technical scheme that a kind of U-shaped optical path debugging device of turning back, comprising:
Square frame, the square frame include U-shaped frame and plate, and the U-shaped erection is placed in the lower surface of plate, the plate
Lower surface is parallel with U-shaped frame bottom surface to form measuring basis, and the first light hole and the second light hole are formed on the plate, is used for
The both ends lens mounting surface of the U-shaped optical system of turning back of repair；
Five corner brackets, there are angled arrangements on five corner bracket, third light hole are formed in the plane of five corner brackets, for repairing
Reflecting mirror mounting surface with U-shaped optical system of turning back.
Another object of the present invention is to provide a kind of U-shaped optical path Method of Adjustment of turning back characterized by comprising
Square frame is connect with U-shaped optical system of turning back, the plate of U-shaped turn back optical system datum level and the square frame
Lower surface is overlapped, the U-shaped optical system both ends lens mounting surface of turning back of reconditioning；
Five corner brackets are connect with U-shaped optical system of turning back, two reflecting mirror mounting surfaces are converted into horizontal plane, complete to turn back
Angular transition；
After angular transition of turning back, the measurement for completing reflecting mirror mounting surface is cooperated with amesdial, is carried out using measurement data anti-
Penetrate the repair of mirror mounting surface, the precision controlling for path optics reflecting mirror mounting surface of completing to turn back.
The present invention realize it is following significant the utility model has the advantages that
It realizes simple, comprising: square frame, the square frame include U-shaped frame and plate, and the U-shaped erection is placed in plate
Lower surface, the plate lower surface is parallel with U-shaped frame bottom surface to form measuring basis, be formed on the plate the first light hole with
Second light hole, the both ends lens mounting surface for the U-shaped optical system of turning back of repair；Five corner brackets, there are angles on five corner bracket
Structure is spent, third light hole is formed in the plane of five corner brackets, the reflecting mirror mounting surface for the U-shaped optical system of turning back of repair.
Solve it is U-shaped turn back optical system can not quantitative detection reflecting mirror mounting surface and reference plane angle relationship, installation accuracy is low equal real
Border problem realizes the real-time detection of reflecting mirror mounting surface and reference plane angle relationship, completes path optics element mounting surface of turning back
Precision controlling, realize high-precision, the high efficiency adjustment of U-shaped optical system of turning back.Realize reflecting mirror mounting surface and datum level
The real-time detection of angular relationship completes the precision controlling of path optics element mounting surface of turning back, realizes U-shaped optical system of turning back
High-precision, high efficiency adjustment.
Detailed description of the invention
Fig. 1 is the schematic diagram of U-shaped light channel structure of turning back of the invention；
Fig. 2 is square frame working principle diagram of the invention；
Fig. 3 is five corner bracket working principle diagrams of the invention；
Fig. 4 is square frame structural schematic diagram of the invention；
Fig. 5 is five corner bracket structural schematic diagrams of the invention；
Fig. 6 is U-shaped optical path Method of Adjustment flow chart of turning back of the invention.
Appended drawing reference signal
1.U type turn back 2. first lens mounting surface of optical system datum level, 3. second lens mounting surface 4. first reflection
5. second reflecting mirror mounting surface of mirror mounting surface, 6. square frame 7.U type turn back 8. high-precision fitter's bench 9.U type of optical path folding
Turn 10. 5 corner bracket of light blood system datum level, 11. high-precision fitter's bench 12.U type and turns back optical path 13. to repair reflecting mirror
Mounting surface
Specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments, is wanted according to following explanation and right
Book is sought, advantages and features of the invention will become apparent from.It should be noted that attached drawing is all made of very simplified form and is applicable in
Non-accurate ratio, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
It should be noted that present invention spy is for multiple embodiments with further in order to clearly demonstrate the contents of the present invention
Illustrate different implementations of the invention, wherein multiple embodiment is enumeration and non-exhaustive.In addition, in order to illustrate
Succinctly, the content having been mentioned in preceding embodiment is often omitted in rear embodiment, therefore, unmentioned interior in rear embodiment
Appearance can accordingly refer to preceding embodiment.
Although the invention can modification in a variety of forms and replacement extend, also listed in specification some specific
Implement legend and is described in detail.It should be understood that the starting point of inventor is not that the invention is limited to illustrated spy
Determine embodiment, antithesis, the starting point of inventor is to protect in all spirit or scope given and defined by this rights statement
The improvement of progress, equivalent alterations and modifications.Same component number is likely to be used for all attached drawings to represent identical or class
As part.
Please refer to Fig. 1 to Fig. 5, the U-shaped optical path debugging device of turning back of one kind of the invention, comprising: square frame 6 is described rectangular
Frame includes U-shaped frame and plate, and the U-shaped erection is placed in the lower surface of plate, plate lower surface shape parallel with U-shaped frame bottom surface
At measuring basis, the first light hole 111 and the second light hole 112 are formed on the plate, for the U-shaped optical system of turning back of repair
The optical reference plane of system；Five corner brackets 10, there are angled arrangements on five corner bracket, and third light passing is formed in the plane of five corner brackets
Hole 113, the reflecting mirror mounting surface for the U-shaped optical system of turning back of repair.The first lens mounting surface 2, the installation of the second lens
Face 3, the first reflecting mirror mounting surface 4 and the second reflecting mirror mounting surface 5 are to repair face.
In one embodiment, the U-shaped frame is linked together with the plate by screw.
In one embodiment, the flatness of the plate lower surface and U-shaped frame bottom surface is respectively less than 0.002mm.
In one embodiment, the angle mismachining tolerance angular error of five corner bracket is less than 1 '.
In one embodiment, five faces processing flatness of five corner bracket is respectively less than 0.002mm.
The present invention also provides a kind of U-shaped optical path Method of Adjustment of turning back, comprising: step S101, by square frame and U-shaped light of turning back
System connection, the U-shaped optical system datum level of turning back are overlapped with the plate lower surface of square frame, the U-shaped optics of turning back of reconditioning
System both ends lens mounting surface；Five corner brackets are connect, by two reflecting mirror mounting surfaces by step S102 with U-shaped optical system of turning back
It is converted into horizontal plane, completes angular transition of turning back；Step S103 after angular transition of turning back, cooperates with amesdial and completes reflecting mirror
The measurement of mounting surface carries out the repair of reflecting mirror mounting surface using measurement data, completes path optics reflecting mirror mounting surface of turning back
Precision controlling.
In one embodiment, described to connect square frame with U-shaped optical system of turning back, the U-shaped optical system of turning back
Datum level is overlapped with the plate lower surface of square frame, the U-shaped optical system both ends lens mounting surface of turning back of reconditioning, comprising: first by U
Type optical system of turning back is fixed on square frame plate, then is placed on rectangular on the first high-precision fitter's bench 8, the U
Type optical system datum level of turning back is overlapped with plate lower surface, and square frame bottom surface is overlapped with high-precision fitter's bench surface, will
Amesdial is placed on high-precision workbench, and amesdial needle is placed in U-shaped optical system both ends lens mounting surface of turning back, measures both ends
The depth of parallelism between lens mounting surface and optical reference plane repair grinding by measurement data to both ends lens mounting surface, guarantees two
It holds lens mounting surface parallel with optical reference plane, repairs and remove U-shaped optical system of turning back after grinding.
In one embodiment, described to connect five corner brackets with U-shaped optical system of turning back, two reflecting mirror mounting surfaces are turned
Change horizontal plane into, completion is turned back angular transition, comprising: first connect five corner brackets with U-shaped optical system of turning back, then by five corner brackets
Be placed on the second high-precision fitter's bench 11, by the angular transition of five corner brackets, it is U-shaped turn back optical system datum level with it is high-precision
Fitter's bench surface angle at 45 ° is spent, the reflecting mirror mounting surface of U-shaped optical system of turning back and high-precision fitter's bench surface are flat
Row.
In one embodiment, after the angular transition of turning back, the measurement for completing reflecting mirror mounting surface is cooperated with amesdial,
The repair of reflecting mirror mounting surface is carried out using measurement data, completes the precision controlling of path optics reflecting mirror mounting surface of turning back, packet
It includes: amesdial is placed on high-precision workbench, amesdial needle is placed in U-shaped optical system reflecting mirror mounting surface of turning back, can be surveyed
The depth of parallelism for measuring reflecting mirror mounting surface and high-precision workbench surface, is repaired by measurement data and grinds reflecting mirror mounting surface, is guaranteed anti-
It is parallel with high-precision workbench surface to penetrate mirror mounting surface, guarantees that reflecting mirror mounting surface and U-shaped optical system datum level of turning back are at 45 °
Angle.
In one embodiment, square frame includes U-shaped frame and plate, and U-shaped frame is together with plate is by screw, plate following table
Face is parallel with U-shaped frame bottom surface and flatness is respectively less than 0.002mm, forms measuring basis.
In one embodiment, five corner bracket upper angles are respectively as follows: 90 °, 90 °, 135 °, 90 °, 135 °, angle mismachining tolerance
For angular error less than 1 ', five faces of corner bracket five processing flatness is respectively less than 0.002mm.
In one embodiment, it is formed with light hole and mounting screw holes in the plane of square frame and five corner brackets, can satisfy
The installation of optical system structure part.
As specific embodiment, Fig. 6, U-shaped the specific of optical system alignment method of turning back of one kind of the invention are please referred to
Step are as follows:
Step 1: the U-shaped optical system both ends lens mounting surface of turning back of reconditioning
U-shaped optical system of turning back is fixed on square frame plate first, then is placed on high-precision assembly work for rectangular
On platform, at this point, U-shaped optical system datum level of turning back is overlapped with plate lower surface, square frame bottom surface and high-precision fitter's bench
Surface is overlapped.Since plate lower surface is parallel with square frame bottom surface, then U-shaped optical system datum level and first of turning back fills in high precision
It is parallel with 8 surface of workbench, amesdial is placed on high-precision workbench, amesdial needle is placed in U-shaped optical system two of turning back
Lens mounting surface is held, then can measure the depth of parallelism between both ends lens mounting surface and optical reference plane, by measurement data to both ends
Lens mounting surface repair grinding, and guarantees that lens mounting surface in both ends is parallel with optical reference plane, repairs U-shaped optical system of turning back after grinding
It removes.
Step 2: angular transition
Five corner brackets are connect with U-shaped optical system of turning back first, then five corner brackets are placed in the second high-precision fitter's bench
On 11, at this point, by the angular transitions of five corner brackets, it is U-shaped turn back optical system datum level and high-precision fitter's bench surface at
The reflecting mirror mounting surface of 45° angle, U-shaped optical system of turning back is parallel with high-precision fitter's bench surface.
Step 3: two reflecting mirror mounting surfaces of reconditioning type optical system
Amesdial is placed on high-precision workbench, amesdial needle is placed in U-shaped optical system reflecting mirror mounting surface of turning back, i.e.,
The depth of parallelism that can measure reflecting mirror mounting surface and high-precision workbench surface, is repaired by measurement data and grinds reflecting mirror mounting surface, is protected
It is parallel with high-precision workbench surface to demonstrate,prove reflecting mirror mounting surface, then can guarantee reflecting mirror mounting surface and U-shaped optical system base of turning back
Quasi- face angle at 45 °.
The present invention realize it is following significant the utility model has the advantages that
It realizes simple, comprising: square frame, the square frame include U-shaped frame and plate, and the U-shaped erection is placed in plate
Lower surface, the plate lower surface is parallel with U-shaped frame bottom surface to form measuring basis, be formed on the plate the first light hole with
Second light hole, the optical reference plane for the U-shaped optical system of turning back of repair；Five corner brackets, there are angle knots on five corner bracket
Structure is formed with third light hole in the plane of five corner brackets, the both ends lens mounting surface for the U-shaped optical system of turning back of repair.Solution
Determined it is U-shaped turn back optical system can not quantitative detection reflecting mirror mounting surface and reference plane angle relationship, installation accuracy is low equal practical
Problem realizes the real-time detection of reflecting mirror mounting surface and reference plane angle relationship, completes path optics element mounting surface of turning back
Precision controlling realizes high-precision, the high efficiency adjustment of U-shaped optical system of turning back.Realize reflecting mirror mounting surface and benchmark face angle
The real-time detection of degree relationship completes the precision controlling of path optics element mounting surface of turning back, realizes U-shaped optical system of turning back
In high precision, high efficiency adjustment.
Obviously, the above embodiments are merely examples for clarifying the description, rather than the restriction to embodiment.For
For person of an ordinary skill in the technical field, other various forms of variations can also be made on the basis of the above description
Or it changes.There is no necessity and possibility to exhaust all the enbodiments.And obvious variation extended from this
Or change the protection scope for still falling within the invention.
Claims (10)
1. a kind of U-shaped optical path debugging device of turning back characterized by comprising
Square frame, the square frame include U-shaped frame and plate, and the U-shaped erection is placed in the lower surface of plate, the plate following table
Face is parallel with U-shaped frame bottom surface to form measuring basis, and the first light hole and the second light hole are formed on the plate, is used for repair
The both ends lens mounting surface of U-shaped optical system of turning back；
Five corner brackets, there are angled arrangements on five corner bracket, and third light hole is formed in the plane of five corner brackets, are used for repair U
Type is turned back the reflecting mirror mounting surface of optical system.
2. the U-shaped optical path debugging device of turning back of one kind according to claim 1, which is characterized in that the U-shaped frame is put down with described
Plate is linked together by screw.
3. the U-shaped optical path debugging device of turning back of one kind according to claim 1, which is characterized in that the plate lower surface and U
The flatness of type frame bottom surface is respectively less than 0.002mm.
4. the U-shaped optical path debugging device of turning back of one kind according to claim 1, which is characterized in that the angle of five corner bracket
Mismachining tolerance angular error is less than 1 '.
5. the U-shaped optical path debugging device of turning back of one kind according to claim 1, which is characterized in that five of five corner bracket
Face processing flatness is respectively less than 0.002mm.
6. the U-shaped optical path debugging device of turning back of one kind according to claim 1, which is characterized in that the five corner brackets upper angle
It is respectively as follows: 90 °, 90 °, 135 °, 90 °, 135 °.
7. a kind of U-shaped optical path Method of Adjustment of turning back characterized by comprising
Square frame is connect with U-shaped optical system of turning back, the plate following table of U-shaped turn back optical system datum level and the square frame
Face is overlapped, the U-shaped optical system both ends lens mounting surface of turning back of reconditioning；
Five corner brackets are connect with U-shaped optical system of turning back, two reflecting mirror mounting surfaces are converted into horizontal plane, complete angle of turning back
Conversion；
After angular transition of turning back, the measurement for completing reflecting mirror mounting surface is cooperated with amesdial, carries out reflecting mirror using measurement data
The precision controlling of path optics reflecting mirror mounting surface of turning back is completed in the repair of mounting surface.
8. the U-shaped optical path Method of Adjustment of turning back of one kind according to claim 7, which is characterized in that it is described by square frame with it is U-shaped
Optical system of turning back connection, the U-shaped optical system datum level of turning back are overlapped with the plate lower surface of square frame, the U-shaped folding of reconditioning
Turn optical system both ends lens mounting surface, comprising:
U-shaped optical system of turning back is fixed on square frame plate first, then is placed on rectangular on high-precision fitter's bench,
The U-shaped optical system datum level of turning back is overlapped with plate lower surface, square frame bottom surface and high-precision fitter's bench surface weight
It closes, amesdial is placed on high-precision workbench, amesdial needle is placed in U-shaped optical system both ends lens mounting surface of turning back, survey
The depth of parallelism between both ends lens mounting surface and optical reference plane is measured, both ends lens mounting surface repair grinding by measurement data,
Guarantee that lens mounting surface in both ends is parallel with optical reference plane, repairs and remove U-shaped optical system of turning back after grinding.
9. the U-shaped optical path Method of Adjustment of turning back of one kind according to claim 8, which is characterized in that it is described by five corner brackets with it is U-shaped
Two reflecting mirror mounting surfaces are converted into horizontal plane, complete angular transition of turning back by optical system of turning back connection, comprising:
Five corner brackets are connect with U-shaped optical system of turning back first, then five corner brackets are placed on high-precision fitter's bench, pass through five
The angular transition of corner bracket, U-shaped turn back optical system datum level and high-precision fitter's bench surface angle at 45 °, U-shaped optics of turning back
The reflecting mirror mounting surface of system is parallel with high-precision fitter's bench surface.
10. the U-shaped optical path Method of Adjustment of turning back of one kind according to claim 9, which is characterized in that the angular transition of turning back
Afterwards, the measurement for completing reflecting mirror mounting surface is cooperated with amesdial, the repair of reflecting mirror mounting surface is carried out using measurement data, is completed
It turns back the precision controlling of path optics reflecting mirror mounting surface, comprising:
Amesdial is placed on high-precision workbench, amesdial needle is placed in U-shaped optical system reflecting mirror mounting surface of turning back, can be surveyed
The depth of parallelism for measuring reflecting mirror mounting surface and high-precision workbench surface, is repaired by measurement data and grinds reflecting mirror mounting surface, is guaranteed anti-
It is parallel with high-precision workbench surface to penetrate mirror mounting surface, guarantees that reflecting mirror mounting surface and U-shaped optical system datum level of turning back are at 45 °
Angle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811463001.4A CN109991712B (en) | 2018-12-03 | 2018-12-03 | U-shaped folded light path adjusting device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811463001.4A CN109991712B (en) | 2018-12-03 | 2018-12-03 | U-shaped folded light path adjusting device and method |
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| Publication Number | Publication Date |
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| CN109991712A true CN109991712A (en) | 2019-07-09 |
| CN109991712B CN109991712B (en) | 2021-04-09 |
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| CN111880282A (en) * | 2020-07-31 | 2020-11-03 | 同济大学 | Coarse and fine adjusting device for large-range optical axis |
| CN112230239A (en) * | 2020-07-31 | 2021-01-15 | 同济大学 | Monitoring device based on optical axis refraction and reflection |
| CN115145020A (en) * | 2022-06-16 | 2022-10-04 | 北京遥感设备研究所 | Optical adjusting system and method for enabling laser propagation direction to be parallel to optical platform |
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