CN109470178A - A kind of optical system angle of assembling detection device and its method - Google Patents
A kind of optical system angle of assembling detection device and its method Download PDFInfo
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- CN109470178A CN109470178A CN201811615472.2A CN201811615472A CN109470178A CN 109470178 A CN109470178 A CN 109470178A CN 201811615472 A CN201811615472 A CN 201811615472A CN 109470178 A CN109470178 A CN 109470178A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
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Abstract
A kind of optical system angle of assembling detection device and its method, wherein the angle of assembling detection device includes: optical facilities, plane mirror, fixed mechanism and autocollimator to be detected；The optical path input side of optical facilities to be detected is arranged in autocollimator, and plane mirror is fixed on the optical output side of optical facilities to be detected by fixed mechanism；The light of autocollimator transmitting successively passes through optical facilities to be detected and plane mirror, and is reflected back autocollimator by plane mirror, to obtain the angle of incident light and reflected light.Above-mentioned technical proposal can carry out position adjustment to the Each part in optical system according to the angle measured, be overlapped the normal of the optical axis of autocollimator, the optical axis of optical facilities to be detected and plane mirror, to improve image quality.
Description
Technical field
The invention belongs to optical testing arts, and in particular to a kind of optical system angle of assembling detection device and its method.
Background technique
Gene sequencing is a kind of novel gene detection technique, and Related product and technology are developed by laboratory research to facing
Bed uses, and mainly by determining fluorescence intensity, the DNA of one group of sequence complete complementary is obtained from blood or human appendages
Sequence, then analyzes and measures gene order, predicts a possibility that suffering from a variety of diseases with this, such as cancer or leukaemia.?
In gene sequencing, it is critical step that gene order is obtained by fluorescence intensity, and fluorescence intensity is generally by optical system
It unites to determine, if to obtain accurate complete gene order, it is desirable to the higher installation of optical system and positioning accuracy.
Existing optical system a part uses adjustable optical texture, and this optical texture is with final demand result
As index, position adjusting is carried out to the structure of various pieces in optical path, the stability of test result will receive larger impact,
Meanwhile it also will increase time and the cost of later maintenance；Another part guarantees the installation of each optical element by machining accuracy
Precision, this just needs more equipment or step to detect and debug optical system.
In conclusion existing optical system is complex, and the precision debugged is lower.
Summary of the invention
(1) goal of the invention
The object of the present invention is to provide a kind of higher optical system angle of assembling detection dresses of relatively simple and adjustment accuracy
It sets and its method.
(2) technical solution
To solve the above problems, the first aspect of the present invention provides a kind of optical system angle of assembling detection device, packet
It includes: optical facilities, plane mirror, fixed mechanism and autocollimator to be detected；Autocollimator is arranged in optical facilities to be detected
Optical path input side, plane mirror is fixed on the optical output side of optical facilities to be detected by fixed mechanism；Autocollimator
The light of transmitting successively passes through the optical facilities to be detected and the plane mirror, and is reflected back by the plane mirror
The autocollimator, to obtain the angle of incident light and reflected light.
Further, fixed mechanism is connect with the end face of the optical facilities to be detected, and the fixed mechanism with it is described
Accommodation space is formed between the end face of optical facilities to be detected, to accommodate the plane mirror.
Further, fixed mechanism is gland, and the gland is located at outside the plane mirror, and with it is described to be checked
The end of photometry mechanism connects.
Further, at least one elastomeric element is provided on the inside of gland；Elastomeric element is supported with the plane mirror
It leans on, for applying the plane mirror along axial pressing force.
Further, elastomeric element is spring-loaded plunger, and one end of the spring-loaded plunger is connect with the gland, the other end with
The plane mirror against.
Further, the quantity of elastomeric element is 3, is evenly distributed on the gland.
Further, optical facilities to be detected are at least one in camera detection piece, cylinder mirror detection piece and object lens detection piece
Kind；One of the camera detection piece, cylinder mirror detection piece and object lens detection piece far from the autocollimator is arranged in plane mirror
End.
Another aspect provides a kind of detection method using optical system angle of assembling detection device, packets
It includes: adjusting the position of autocollimator, make the optical axis of the autocollimator and the plane mirror of the optical facilities to be detected
Reflecting surface is vertical；The autocollimator emits light, and receives the light reflected by plane mirror；Read the transmitting light
Angle between reflection light；Judge whether the angle is more than predetermined difference value；If the angle is more than predetermined difference value,
The installation site of the optical facilities to be detected is adjusted.
Further, the installation site of the optical facilities to be detected is adjusted, comprising: using gasket to it is described to
The installation site of detection optical facilities is adjusted.
Further, optical facilities to be detected include camera detection piece, cylinder mirror detection piece and object lens detection piece, the detection
Method includes: successively to detect in sequence to the camera detection piece, the cylinder mirror detection piece and the object lens detection piece；
Wherein, successively the camera detection piece, the cylinder mirror detection piece and the object lens detection piece are detected in sequence, is wrapped
It includes: adjusting the position of autocollimator, keep the autocollimator vertical with the plane mirror of camera detection piece；The installation of mounting cylinder mirror
Seat and cylinder mirror detection piece, and remove camera detection piece；The autocollimator emits light, and receives the plane by cylinder mirror detection piece
The light of reflecting mirror reflection；Read the light of the autocollimator transmitting and the light reflected by the plane mirror of cylinder mirror detection piece
Angle between line, and judge whether the angle is more than error amount；If the angle read is more than error amount, installed in cylinder mirror
The seat place of setting increases gasket and is modified to the position of cylinder mirror detection piece, until error amount is within an acceptable range；Piezoelectricity is installed
Ceramic fixed block, piezoelectric ceramics and object lens detection piece, and remove a mirror detection piece；The autocollimator emits light, and receives
The light reflected by the plane mirror of object lens detection piece；Read the light of the autocollimator transmitting and by object lens detection piece
Angle between the light of plane mirror reflection, and judge whether the angle is more than error amount；If the angle read is more than
Error amount then increases gasket at object lens mounting base position and is modified to the position of object lens detection piece, until error amount is can
Receive in range.
(3) beneficial effect
Above-mentioned technical proposal of the invention has following beneficial technical effect: emitting light by autocollimator, then
So that the light of transmitting successively passes through optical facilities to be detected and plane mirror, and auto-collimation is reflected back by plane mirror
Instrument, the angle between incident light and reflected light by reading autocollimator test, and then obtain the normal of plane mirror with
The angle of incident light, since the reflecting surface of plane mirror is vertical with the optical axis of optical de-tection means to be measured, plane reflection
The normal and optical axis coincidence of mirror, then the angle of autocollimator test is the optical axis of optical de-tection means to be measured and the folder of incident light
Angle, and then measure the angle of practical optical axis and theoretical optical axis.By judging whether angle is more than predetermined value, so that it may understand to be checked
Whether the setting angle of photometry mechanism has deviation, so can be treated according to deviation detection optical facilities setting angle into
Row adjustment, improves the image quality of optical system.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of optical system in the prior art；
Fig. 2 is the structural schematic diagram of the optical system angle of assembling detection device of first embodiment according to the present invention；
Fig. 3 is the explosive view of the fixed mechanism and plane mirror and camera installation in the embodiment of the present invention；
Fig. 4 is the explosive view of the fixed mechanism and plane mirror and the installation of cylinder mirror in the embodiment of the present invention；
Fig. 5 is the explosive view of the fixed mechanism and plane mirror and object lens installation in the embodiment of the present invention；
Fig. 6 is a kind of flow diagram of optical system angle of assembling detection method of the embodiment of the present invention；
Fig. 7 is a kind of structural schematic diagram of optical system shifting deviation detection device of the embodiment of the present invention；
Fig. 8 is the explosive view of the diaphragm and object lens installation in the embodiment of the present invention；
Fig. 9 is the explosive view of the diaphragm and the installation of cylinder mirror in the embodiment of the present invention；
Figure 10 is the explosive view of the diaphragm and camera installation in the embodiment of the present invention；
Figure 11 is a kind of process of detection method using optical system shifting deviation detection device of the embodiment of the present invention
Schematic diagram.
Appended drawing reference:
101a- object lens, 101b- object lens detection piece；102- piezoelectric ceramics, 103- piezoelectric ceramics fixed block, 104- prism,
105- prism mounting base, 106a- mirrors, 106b- mirror detection pieces；107- mirror mounting bases, 108- camera interface embrace ring, 109-
Camera interface, 110a- camera, 110b- camera detection piece, 201A, 201B, 201C- fixed mechanism, 202A, 202B, 202C- are flat
Face reflecting mirror, 203A, 203B, 203C- elastomeric element, 204- autocollimator, 401- laser, 405- camera iris component；
403- mirror diaphragm components；404- lens isis component；501A, 501B, 501C, 501D- diaphragm.
Specific embodiment
In order to make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment and join
According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid this is unnecessarily obscured
The concept of invention.
Fig. 1 is the structural schematic diagram of optical system in the prior art.
As shown in Figure 1, optical system includes: support plate 100 and successively sets along length (or width) direction of support plate 100
The camera interface set embraces ring 108, cylinder mirror mounting base 107 and prism mounting base 105；Wherein, camera interface is embraced ring 108 and is passed through and phase
Machine interface 109 connects to install camera 110a；Cylinder mirror mounting base 107, prism mounting base 105 be respectively used to mounting cylinder mirror 106a and
Prism 104；In addition, piezoelectric ceramics fixed block 103 is also equipped on the end face of the one end of support plate 100 far from camera 110a,
It is provided with piezoelectric ceramics 102 on the outside of piezoelectric ceramics fixed block 103, passes through matching for piezoelectric ceramics fixed block 103 and piezoelectric ceramics 102
Conjunction forms object lens mounting base, to install object lens 101a.
Wherein, the optical axis of object lens 101a is vertical direction, and the optical axis of prism 104, cylinder mirror 106a and camera 110a is water
Square to and be overlapped, the optical axis of object lens 101a is vertical with three optical axises being overlapped and crosses；Optical system at work, by object lens
Then 101a acquisition image passes through prism (such as: 45 ° of prisms) 105 and the light of vertical direction is changed into horizontal direction, in turn
Light is carried out into cylinder mirror 106a, is finally taken pictures by camera 110a.
In above process, it if the setting angle of camera 110a, cylinder mirror 106a and object lens 101a have deviation, will result in
The optical axis of three cannot be overlapped, and then the pattern distortion for causing camera 110a to shoot, and influence image quality, so that pictorial information
Processing and sequencing result inaccuracy.The present invention examines angle of assembling by providing a kind of detection device of angle of assembling
Survey, and then be adjusted by setting angle of the testing result to all parts, make optical facilities to be detected theoretical optical axis and
Angle control between practical optical axis in error range, and then improves image quality.
Fig. 2 is the structural schematic diagram of the optical system angle of assembling detection device of first embodiment according to the present invention.
Fig. 3 is the explosive view of the fixed mechanism and plane mirror and the installation of camera detection piece in the embodiment of the present invention.
Fig. 4 is the explosive view of the fixed mechanism and plane mirror and the installation of cylinder mirror detection piece in the embodiment of the present invention.
Fig. 5 is the explosive view of the fixed mechanism and plane mirror and the installation of object lens detection piece in the embodiment of the present invention.
It should be noted that cylinder mirror and object lens are at least referred to as light to be detected in the embodiment of the present invention introduced below
Mechanism is learned, also will include camera in some embodiments.Optical facilities to be detected in the detection device of the embodiment of the present invention can
To be camera detection piece 110b, cylinder mirror detection piece 106b or object lens detection piece 101b (camera detection piece, cylinder in Fig. 3, Fig. 4 and Fig. 5
Mirror detection piece, object lens detection piece are fixed form identical with camera, cylinder mirror, object lens to be respectively adopted, while adding using identical
Work precision is fixed in optical system, guarantees to carry out using camera detection piece, cylinder mirror detection piece, object lens detection piece to the maximum extent
The testing result obtained when detection is identical as camera, cylinder mirror, object lens), when optical facilities to be detected are camera detection piece 110b,
Its structure formed after installing with plane mirror 202A can be found in explosive view shown in Fig. 3, similarly, when photometry machine to be checked
When structure is a mirror detection piece 106b or object lens detection piece 101b, with the structure formed after plane mirror 202B, 202C installation
Can respectively referring to fig. 4 with explosive view shown in fig. 5.
As shown in Fig. 2, the angle of assembling detection device of the embodiment of the present invention is the basis of optical system structure shown in Fig. 1
On increase some components, increased component includes plane mirror 202A, 202B, 202C and autocollimator 204；
Wherein, autocollimator 204 is arranged in the optical path input side of optical facilities to be detected, plane mirror 202A, 202B,
202C is fixed on the optical output side of optical facilities to be detected by fixed mechanism 201A, 201B, 201C；It should be noted that
Optical output side described here and input side are on the basis of 204 transmitting radiation directions of autocollimator, i.e., optical path is defeated
Enter the side that the light that side refers to that autocollimator 204 emits enters optical facilities to be detected, similarly, optical output side refers to certainly
The light that collimator 204 emits is from the side that optical facilities to be detected are projected.
The embodiment of the present invention is to emit light by autocollimator, then to emit to the testing principle of angle of assembling
Light successively pass through optical facilities to be detected and plane mirror, and autocollimator is reflected back by plane mirror, passes through reading
The angle being derived between the incident light and reflected light of collimator test, and then obtain the normal of plane mirror and the folder of incident light
Angle, its reflecting surface is vertical with the optical axis of optical de-tection means to be measured when due to plane mirror installation, plane mirror
Normal and optical axis coincidence, then the angle of autocollimator test is the optical axis of optical de-tection means to be measured and the folder of incident light
Angle, i.e., the angle between the practical optical axis of optical facilities to be detected and theoretical optical axis.By judging whether angle is more than predetermined value,
Whether the setting angle that can understand optical facilities to be detected has deviation, and then detection optics can also be treated according to deviation
The setting angle of mechanism is adjusted, and complies with installation requirement, improves image quality.
In one embodiment, fixed mechanism 201A, 201B, 201C can be mounting base, plane mirror 202A,
202B, 202C are fixed in support plate 100 by mounting base, and the structure of mounting base can be with reference to energy used in daily life
Enough frames for placing mirror on the table.
In another embodiment, the end face of fixed mechanism 201A, 201B, 201C and optical facilities to be detected can be connected
It connects, and to form an accommodation space between fixed mechanism 201A, 201B, 201C and the end face of optical facilities to be detected, to hold
Receive plane mirror 202A, 202B, 202C.
Specifically, fixed mechanism 201A, 201B, 201C can be gland, gland be located at plane mirror 202A,
Outside 202B, 202C, and it is connect with the end of optical facilities to be detected.Gland include bottom surface and along bottom periphery setting side
Wall, side wall and bottom surface collectively form accommodation space.Position on bottom surface by proximal edge is provided with threaded hole, and underrun screw thread connects
The mode connect is connect with the end face of optical facilities to be detected.The quantity of threaded hole can be 2, this 2 threaded holes are with bottom surface
Straight line where center is that symmetry axis is symmetrical, to guarantee the close fit of gland and optical facilities end face to be detected.
It, can also be in gland in order to further ensure plane mirror is sufficiently bonded with the end face of optical facilities to be detected
At least one elastomeric element 203A, 203B, 203C is arranged in inside, when gland is located at outside plane mirror 202A, 202B, 202C
When portion, elastomeric element 203A, 203B, 203C and plane mirror 202A, 202B, 202C against, to plane mirror 202A,
202B, 202C apply along axial pressing force.Specifically, elastomeric element 203A, 203B, 203C can be spring-loaded plunger, spring
One end of plunger is connect with gland, and the other end and plane mirror 202A, 202B, 202C are against thus to plane mirror reality
It now positions, guarantees measurement accuracy.
Further, the quantity of elastomeric element 203A, 203B, 203C can be 3, be evenly distributed on bottom surface, to flat
Face reflecting mirror applies uniform pressing force.This 3 elastomeric elements form an equilateral triangle, the center and bottom of equilateral triangle
The center in face is overlapped.Preferably, any elastomeric element position not two threaded holes institute on straight line so that fastening
The pressing force to plane mirror is collectively formed in part and elastomeric element so that pressing force is more uniform, plane mirror with it is to be checked
The end face of photometry mechanism is more sufficiently bonded.
Detection optics machine is treated micron order gasket after above-mentioned detection device detects to obtain angle deviation, can be used
The installation site progress of structure is padded, so that the angle of assembling for treating detection optical facilities is modified, so that angle of assembling is accidentally
In poor claimed range, the installation results of coincidence loss requirement are obtained, guarantee image quality.
It can be seen that by Fig. 3 to Fig. 5, no matter optical facilities to be detected are what kind of optical devices, can be using this
Plane mirror is fixed on its optical output side by the fixed mechanism of inventive embodiments, and places an autocollimatic in its optical path input side
The measurement of angle of assembling can be realized in straight instrument, and structure is simple, convenient for operation, can be realized with dress with survey, can be applied to
Produce the advantage in the production process of wire type.Simultaneously as the detection device of the embodiment of the present invention will be penetrated using autocollimator
The angle of light and the reflected axis for injecting light measures out, therefore, consolidates to optical element in optical system
3 arcs point can be reached by determining segment optical axis angle measurement precision, to the optical axis position of the fixed part of optical element in optical system
Translation measuring accuracy can reach 10 microns.
Fig. 6 is a kind of flow diagram of optical system angle of assembling detection method of the embodiment of the present invention.
As shown in fig. 6, a kind of optical system angle of assembling detection method, comprising:
S1, adjust autocollimator 204 position, make autocollimator 204 optical axis and plane mirror 202A, 202B,
The reflecting surface of 202C is vertical；
Specifically, it can be on the basis of the position of camera, cylinder mirror or object lens and adjust the position of autocollimator, make certainly
The plane mirror 202A that is installed on the optical axis of collimator 204 and camera detection faces, cylinder mirror detection faces or object lens detection faces,
The reflecting surface of 202B, 202C are vertical.
S2, autocollimator emits light, and receives the light reflected by plane mirror；
The light that autocollimator 204 emits can sequentially enter optical facilities to be detected and optical facilities end to be detected installation
Plane mirror 202A, 202B, 202C, and be reflected back in autocollimator 204 by plane mirror 202A, 202B, 202C, from
Angle between collimator 204 and then reading transmitting light and reflection light.
S3 reads the angle between the transmitting light of autocollimator 204 and reflection light；
S4 judges whether angle is more than predetermined difference value；
S5a, if angle is more than predetermined difference value, the installation site for treating detection optical facilities is adjusted；
S5b, if angle is less than predetermined difference value, the installation site for not treating detection optical facilities is adjusted.Tool
Body, the installation site of optical facilities to be detected is adjusted, comprising: the installation using gasket to camera, cylinder mirror or object lens
Position is adjusted.Such as: using micron-sized gasket the position of camera, cylinder mirror or object lens is padded, thus reach to camera,
The angle of assembling of cylinder mirror or object lens is modified, and obtains the installation results for meeting angle of assembling error requirements.
The detection device and detection method of the embodiment of the present invention, autocollimator, which is utilized, can read incident light and reflected light
Between angle principle, the injection light of autocollimator is reflected back by autocollimator by plane mirror, thus detection obtain
The angular deviation of the optical axis of each optical facilities to be detected in optical path uses medium-and-large-sized high-accuracy optical detection relative to general
For equipment, structure is simple, convenient for operation, and can be realized with dress with survey, in the production process that can be applied to production wire type.
The present apparatus can reach 3 arcs point to the fixed part optical axis angle measuring accuracy of optical element in optical system simultaneously；To optics
The optical axis position translation measuring accuracy of the fixed part of optical element can reach 10 microns in system.
In actual test process, optical system is pre-assembled, if necessary to test, it is only necessary to which plane is anti-
Penetrating mirror and being mounted on its end can test, can be first to camera for being equipped with for the optical system of camera, cylinder mirror and object lens
It is tested and is adjusted, tested and adjust to camera after completing, it can be removed from support plate 100, followed by cylinder
Mirror is tested and is adjusted, and similarly, after the test of cylinder mirror and adjustment completion, the dismounting of cylinder mirror is tested and is adjusted to object lens
It is whole.It is right below for the optical system of camera detection piece 110b, cylinder mirror detection piece 106b and object lens detection piece 101b to be installed
Detection method of the invention describes in detail:
Camera interface is embraced ring and camera detection piece 110b is mounted in support plate 100 by S100；
S101 adjusts the position of autocollimator 204, makes the plane mirror of the autocollimator 204 and camera detection piece
202A is vertical；
Cylinder mirror mounting base 107 and cylinder mirror detection piece 106b are mounted in supporting table, and remove camera detection piece by S102
110b；
Wherein, the step of the step of installation of cylinder mirror mounting base 107 and cylinder mirror detection piece 106b is with camera detection piece is removed
Do not limit it is successive execute sequence, can be the installation steps for first carrying out a mirror mounting base 107 and cylinder mirror detection piece 106b, then execute
The step of removing camera detection piece is also possible to first carry out the step of removing camera detection piece, then executes 107 He of mirror mounting base
The installation steps of cylinder mirror detection piece 106b.
S103, autocollimator 204 emit light, and receive by the plane mirror 202B reflection of cylinder mirror detection piece 106b
Light；
S104 reads the light that autocollimator 204 emits and reflects with by the plane mirror 202B of cylinder mirror detection piece 106b
Light between angle, and judge whether the angle is more than error amount；
S105, if light and the plane mirror by cylinder mirror detection piece 106b that the autocollimator 204 read emits
Angle between the light of 202B reflection is more than error amount, then increases gasket at 107 position of cylinder mirror mounting base and survey to cylinder microscopy
The position of part 106b is modified, until the error amount of cylinder mirror detection piece 106b is within an acceptable range；
S106, installation piezoelectric ceramics fixed block 103, piezoelectric ceramics 102 and object lens detection piece 101b, and remove a microscopy and survey
Part 106b；
S107, autocollimator 204 emit light, and receive by the plane mirror 202C reflection of object lens detection piece 101b
Light；
S108 reads the light that autocollimator 204 emits and reflects with by the plane mirror 202C of object lens detection piece 101b
Light between angle, and judge whether the angle is more than error amount；
S109, if light and the plane mirror by object lens detection piece 101b that the autocollimator 204 read emits
Angle between the light of 202C reflection is more than error amount, then increases gasket at 107 position of object lens mounting base and detect to object lens
The position of part 101b is modified, until the error amount of object lens detection piece 101b is within an acceptable range.
Fig. 7 is a kind of structural schematic diagram of optical system shifting deviation detection device of the embodiment of the present invention.
Fig. 8 is the explosive view of the diaphragm and object lens installation in the embodiment of the present invention.
Fig. 9 is the explosive view of the diaphragm and the installation of cylinder mirror in the embodiment of the present invention.
Figure 10 is the explosive view of the diaphragm and camera installation in the embodiment of the present invention.
As shown in Fig. 7, Fig. 8, Fig. 9 and Figure 10, a kind of optical system shifting deviation detection device, comprising: 401 He of laser
Camera iris component, cylinder mirror diaphragm component and the lens isis component set gradually along the optical output direction of laser 401；Phase
Machine diaphragm component includes camera 405, and the both ends of camera 405 are mounted on diaphragm 501A, 501B；Cylinder mirror diaphragm component includes cylinder mirror
403, the end of the optical output side of cylinder mirror 403 is equipped with diaphragm 501C；Lens isis component includes object lens 404, object lens 404
The end of optical output side is equipped with diaphragm 501D；
Wherein, the center of diaphragm 501A, 501B, 501C, 501D has through-hole, and the aperture of through-hole is 0.5-5mm.It is preferred that
Ground, the aperture of through-hole are 1mm.
The through-hole of two diaphragms in camera iris component can determine the correct optical path of directive property, when the light of diaphragm
When spot can completely pass through diaphragm 501A and diaphragm 501B, mean that the directive property of laser is correct.It has been installed with above-mentioned
Camera iris component and laser based on, successively mounting cylinder mirror diaphragm component observes the variation of the hot spot in camera 405,
And it adjusts；It is subsequently mounted lens isis component, observes the variation of the hot spot in 405 cameras and adjustment, entire adjustment process is completed.
Wherein, one end of diaphragm 501A, 501B, 501C, 501D is provided with screw thread, the diaphragm 501A, 501B, 501C,
501D is connect with camera, cylinder mirror and object lens respectively by the screw thread.
Figure 11 is a kind of process of detection method using optical system shifting deviation detection device of the embodiment of the present invention
Schematic diagram.
As shown in figure 11, a kind of detection method using optical system shifting deviation detection device, comprising:
S1101 adjusts the relative position of laser 401 and camera iris component, so that laser passes through camera iris component
Hot spot after two diaphragms at both ends is completely emerging in camera 405 within sweep of the eye；
S1102 observes the diaphragm of the optical facilities end to be detected to the hot spot by the camera 405
Circumstance of occlusion；
S1103 adjusts the installation site of optical facilities to be detected based on circumstance of occlusion, until hot spot is restored to completeness
Shape.
Wherein, the relative position for adjusting laser 401 and camera iris component 402, so that the hot spot of laser completely appears
Camera within sweep of the eye, comprising:
The position for adjusting laser 401 makes the laser of laser 401 pass through two diaphragms at camera iris component both ends
Through-hole；
The position for adjusting camera iris component makes the hot spot of laser be located at 405 visual field of camera after camera iris component
Interior central location；
The position for adjusting laser 401, makes the hot spot of laser completely be emerging in camera 405 within sweep of the eye.
It should be understood that above-mentioned specific embodiment of the invention is used only for exemplary illustration or explains of the invention
Principle, but not to limit the present invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention
Covering the whole variations fallen into attached claim scope and boundary or this range and the equivalent form on boundary and is repairing
Change example.
Claims (10)
1. a kind of optical system angle of assembling detection device characterized by comprising optical facilities to be detected, plane mirror
(202A, 202B, 202C), fixed mechanism (201A, 201B, 201C) and autocollimator (204)；
The autocollimator (204) is arranged in the optical path input side of optical facilities to be detected, the plane mirror (202A,
202B, 202C) the optical output side of optical facilities to be detected is fixed on by the fixed mechanism (201A, 201B, 201C)；
The light of autocollimator (204) transmitting successively passes through the optical facilities to be detected and the plane mirror
(202A, 202B, 202C), and the autocollimator is reflected back by the plane mirror (202A, 202B, 202C), to obtain
The angle of incident light and reflected light.
2. optical system angle of assembling detection device according to claim 1, which is characterized in that the fixed mechanism
(201A, 201B, 201C) is connect with the end face of the optical facilities to be detected, and the fixed mechanism (201A, 201B,
201C) form accommodation space between the end face of the optical facilities to be detected, with accommodate the plane mirror (202A,
202B、202C)。
3. optical system angle of assembling detection device according to claim 2, which is characterized in that the fixed mechanism
(201A, 201B, 201C) is gland, and the gland is located at outside the plane mirror (202A, 202B, 202C), and with
The end of the optical facilities to be detected connects.
4. optical system angle of assembling detection device according to claim 3, which is characterized in that set on the inside of the gland
It is equipped at least one elastomeric element (203A, 203B, 203C)；
The elastomeric element (203A, 203B, 203C) and the plane mirror (202A, 202B, 202C) are against for institute
Plane mirror (202A, 202B, 202C) is stated to apply along axial pressing force.
5. optical system angle of assembling detection device according to claim 4, which is characterized in that
The elastomeric element (203A, 203B, 203C) is spring-loaded plunger, and one end of the spring-loaded plunger is connect with the gland,
The other end and the plane mirror (202A, 202B, 202C) against.
6. optical system angle of assembling detection device according to claim 4, which is characterized in that the elastomeric element
The quantity of (203A, 203B, 203C) is 3, is evenly distributed on the gland.
7. optical system angle of assembling detection device according to claim 1, which is characterized in that the photometry machine to be checked
Structure is at least one of camera detection piece (110b), cylinder mirror detection piece (106b) and object lens detection piece (101b)；
The plane mirror (202A, 202B, 202C) is arranged in the camera detection piece (110b), cylinder mirror detection piece (106b)
One end with object lens detection piece (101b) far from the autocollimator (204).
8. a kind of detection method using any one of the claim 1-7 optical system angle of assembling detection device, feature
It is, comprising:
The position for adjusting autocollimator (204) makes the optical axis of the autocollimator (204) and putting down for the optical facilities to be detected
The reflecting surface of face reflecting mirror (202A, 202B, 202C) is vertical；
The autocollimator (204) emits light, and receives the light reflected by plane mirror；
Read the angle between the transmitting light and reflection light；
Judge whether the angle is more than predetermined difference value；
If the angle is more than predetermined difference value, the installation site of the optical facilities to be detected is adjusted.
9. detection method according to claim 8, which is characterized in that the installation position to the optical facilities to be detected
It sets and is adjusted, comprising:
It is adjusted using installation site of the gasket to the optical facilities to be detected.
10. detection method according to claim 8, which is characterized in that the optical facilities to be detected include phase machine testing
Part (110b), cylinder mirror detection piece (106b) and object lens detection piece (101b), the detection method include:
In sequence successively to the camera detection piece (110b), the cylinder mirror detection piece (106b) and the object lens detection piece
(101b) is detected；
Wherein, successively the camera detection piece (110b), the cylinder mirror detection piece (106b) and the object lens are examined in sequence
Part (101b) is surveyed to be detected, comprising:
The position for adjusting autocollimator (204), makes the plane mirror of the autocollimator (204) Yu camera detection piece (110b)
(202A) is vertical；
Mounting cylinder mirror mounting base (107) and cylinder mirror detection piece (106b), and remove camera detection piece (110b)；
The autocollimator (204) emits light, and receives and reflected by the plane mirror (202B) of cylinder mirror detection piece (106b)
Light；
The light for reading the autocollimator (204) transmitting is reflected with by the plane mirror (202B) of cylinder mirror detection piece (106b)
Light between angle, and judge whether the angle is more than error amount；
If the angle read is more than error amount, increase gasket at cylinder mirror mounting base (107) position to cylinder mirror detection piece
The position of (106b) is modified, until error amount is within an acceptable range；
Piezoelectric ceramics fixed block (103), piezoelectric ceramics (102) and object lens detection piece (101b) are installed, and remove a mirror detection piece
(106b)；
The autocollimator (204) emits light, and receives and reflected by the plane mirror (202C) of object lens detection piece (101b)
Light；
The light for reading the autocollimator (204) transmitting is reflected with by the plane mirror (202C) of object lens detection piece (101b)
Light between angle, and judge whether the angle is more than error amount；
If the angle read is more than error amount, increase gasket at object lens mounting base (107) position to object lens detection piece
The position of (101b) is modified, until error amount is within an acceptable range.
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| CN201811615472.2A CN109470178A (en) | 2018-12-27 | 2018-12-27 | A kind of optical system angle of assembling detection device and its method |
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| CN201811615472.2A CN109470178A (en) | 2018-12-27 | 2018-12-27 | A kind of optical system angle of assembling detection device and its method |
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| CN111896965A (en) * | 2020-06-09 | 2020-11-06 | 深圳职业技术学院 | Laser ranging calibration method and laser range finder capable of automatically calibrating |
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