CN207832690U - A kind of defect of lens detection device - Google Patents
A kind of defect of lens detection device Download PDFInfo
- Publication number
- CN207832690U CN207832690U CN201721570098.XU CN201721570098U CN207832690U CN 207832690 U CN207832690 U CN 207832690U CN 201721570098 U CN201721570098 U CN 201721570098U CN 207832690 U CN207832690 U CN 207832690U
- Authority
- CN
- China
- Prior art keywords
- light
- lens
- sample
- signal
- eyeglass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of defect of lens detection devices, are detected by using vibration mirror scanning, can be with Real-time Feedback detection process in conjunction with machine visual spatial attention, and control light source by galvanometer and be scanned formula detection to each position of lens surface；After interference light signal being formed after the sample signal light of backtracking and the reference signal interference of light of reference arm backtracking, two dimensional image reconstruction is carried out to interference light signal, lens plane signal intensity curve after extraction reconstruction, it is compared with standard eyeglass curve, so that it may to know that eyeglass whether there is defect；The structure setting of entire defect of lens detection device is reasonable, meets requirement.
Description
Technical field
The utility model is related to field of industry detection more particularly to a kind of defect of lens detection devices.
Background technology
Lens quality detecting instrument is widely used in the extent of damage inspection of eyeglass produced after detection and long-time use
It surveys, such as the installing and using of camera lens, optical instrument is built and is required for first being detected eyeglass.Because the quasi-instrument uses mirror
The required precision of piece is higher, thus need whether to wear lens surface, defect, smooth degree are detected, therefore for work
The quality testing of the eyeglass of industry production high precision is required to precision height, efficient.
But the prior art is that light source is vertical with camera down and fixed to the defect inspection method of eyeglass, is led to
It crosses motor mobile example eyeglass and carries out the measurement of multiple location points to assess the defect problem of the eyeglass to be measured.The shortcomings that technology
It is that each position of entire sample lenses can not be measured, simply by multiple sample spot data assessments of eyeglass to be measured
Obtain the defect level of Integrated lens, and since the instrument detection process needs repeatedly mobile sample to be tested, it is raw in industry
Producing can take a substantial amount of time in the detection of eyeglass, cause existing technology insufficient in terms of accuracy and utility.
Therefore, the existing technology needs to be improved and developed.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of defect of lens detection device, it is intended to
Each position of entire eyeglass can not be measured by solving existing defect of lens detecting instrument, can not ensure to detect quality,
And mobile sample to be tested, the problem that detection time is long, efficiency is low are needed repeatedly when detecting.
The purpose of this utility model is achieved through the following technical solutions：
A kind of defect of lens detection device, wherein including：
Light source；
Fiber coupler；
Reference arm for obtaining reference signal light beam；
Sample arm for the sample signal light beam for obtaining eyeglass to be measured；
For the interference light signal formed after reference signal light beam and the interference of lens sample signal beams to be carried out X-Y scheme
As rebuilding, the lens plane signal intensity curve after extraction reconstruction, by the lens plane signal intensity curve of reconstruction and standard mirror
Piece curve is compared, and judges that eyeglass to be measured whether there is defects controlling device；
The light source, reference arm, sample arm, controller are connect with fiber coupler respectively：The light that light source is sent out is incident on
Fiber coupler is divided by fiber coupler and is divided into reference light and sample light two-beam source, reference light shape after reference arm
At reference signal light beam, reference signal light beam is back to fiber coupler along original optical path, and sample light is treated by sample arm control
Each position for surveying lens surface is scanned formula detection, obtains the sample signal light beam of eyeglass different location to be measured, sample
Signal beams are back to fiber coupler along original optical path, and reference signal light beam and sample signal light beam occur in fiber coupler
Interference forms interference light signal, and controller obtains interference light signal, and interference light signal is carried out two dimensional image reconstruction by controller,
Extraction rebuild after lens plane signal intensity curve, by the lens plane signal intensity curve of reconstruction and standard eyeglass curve into
Row compares, and judges that eyeglass to be measured whether there is defect.
The defect of lens detection device, wherein the defect of lens detection device further includes that CCD camera and first are convex
Lens group, the CCD camera are connect with controller, and the first convex lens group is connect with fiber coupler, and interference light signal is by the
One convex lens group is obtained after focusing by CCD camera, and the interference light signal of acquisition is fed back to controller and handled by CCD camera.
The defect of lens detection device, wherein the reference arm includes the first collimating mirror, the second convex lens group, anti-
Mirror and stepper motor are penetrated, the speculum is arranged on stepper motor, is driven and is moved by stepper motor, the stepper motor is by controlling
Device control processed：Enter the second convex lens group after the first collimating mirror collimation by the reference light of fiber coupler outgoing, by second
Convex lens group is emitted to speculum after focusing, and since speculum is arranged on stepper motor, changes ginseng as stepper motor moves
The position of terminal reflector is examined to change the light path reference position of reflected light, and former road non-reflective reference signal beams are to fiber coupling
Device.
The defect of lens detection device, wherein the sample arm includes the second collimating mirror, galvanometer system, USB cameras
And semi-transparent semi-reflecting lens, eyeglass to be measured are placed in the lower section of semi-transparent semi-reflecting lens, the USB cameras are connect with controller, galvanometer system with
Controller connects, and is controlled by controller：It is directed to and shakes after being collimated by the second collimator by the sample light of fiber coupler outgoing
The center of lens of mirror system reflects via galvanometer system and reaches semi-transparent semi-reflecting lens, makes sample light vertical irradiation to eyeglass table to be measured
Face；The size of eyeglass to be measured, shape, location information are obtained by USB cameras and feeds back to controller, and controller is by eyeglass to be measured
Size, shape, location information be converted into galvanometer deflection voltage and realize deflection to control galvanometer system, to eyeglass to be measured into
The detection of row scan-type；The sample signal light beam of lens reflecting to be measured is back to fiber coupler along original optical path.
The defect of lens detection device, wherein the galvanometer system includes the first galvanometer and the second galvanometer, and described the
One galvanometer and the orthogonal setting of the second galvanometer, direct projection after being collimated by the second collimator by the sample light of fiber coupler outgoing
To the center of lens of the first galvanometer, is reflected twice via the first galvanometer, the second galvanometer and reach semi-transparent semi-reflecting lens, keep sample light vertical
Expose to lens surface to be measured.
The defect of lens detection device, wherein the interference light signal intensity I that controller obtainsRSNot with eyeglass to be measured
With position ZiRelationship is as follows：
Formula 1 is passed through into Fourier transformation, interference light light intensity signal is transformed into coordinate space from the reciprocal space, obtains formula 2：
Wherein, z indicate light source 4 be emitted laser to lens position point to be measured length and reference light intensity difference, ARFor
The amplitude of reference light, ASFor the amplitude of sample light, zjFor the height of Aplanatic Surface,For phase difference, IRS(k) it is interference light letter
Number intensity.
The detection method of a kind of defect of lens detection device as described in above-mentioned any one, wherein specifically include following
Step：
Step S1：Eyeglass to be measured is positioned over to the lower section of semi-transparent semi-reflecting lens, sample arm is adjusted, makes sample light vertical irradiation extremely
Lens surface to be measured；
Step S2：The light that control light source is sent out is incident on fiber coupler, is divided by fiber coupler and is divided into reference light
With sample light two-beam source；
Step S3：Reference light forms reference signal light beam after reference arm, and reference signal light beam is back to along original optical path
Fiber coupler, sample light control by sample arm and are scanned formula detection to each position of lens surface, obtain eyeglass
The sample signal light beam of different location, sample signal light beam are back to fiber coupler along original optical path；
Step S4：Reference signal light beam and sample signal light beam interfere in fiber coupler, form interference light letter
Number；
Step S5：Controller obtains interference light signal, and interference light signal is carried out two dimensional image reconstruction, extraction weight by controller
Lens plane signal intensity curve after building, the lens plane signal intensity curve of reconstruction and standard eyeglass curve are compared
Compared with, judge eyeglass to be measured whether there is defect.
The detection method of the defect of lens detection device, wherein the reference light forms reference after reference arm
Signal beams, reference signal light beam are back to fiber coupler along original optical path, and detailed process is as follows：Reference light is by the first collimation
Enter the second convex lens group after mirror collimation, speculum is emitted to after being focused by the second convex lens group, as stepper motor movement changes
Become the position with reference to terminal reflector to change the light path reference position of reflected light, and former road non-reflective reference signal beams are to optical fiber
Coupler.
The detection method of the defect of lens detection device, wherein the sample light is controlled by sample arm to eyeglass
The each position on surface is scanned formula detection, obtains the sample signal light beam of eyeglass different location, sample signal light beam edge
Original optical path is back to fiber coupler, and detailed process is as follows：Sample light is directed to galvanometer system after being collimated by the second collimator
Center of lens, via galvanometer system reflect reach semi-transparent semi-reflecting lens, make sample light vertical irradiation to lens surface to be measured；Pass through
USB cameras obtain the size of eyeglass to be measured, shape, location information and feed back to controller, controller by the size of eyeglass to be measured,
Shape, location information are converted into galvanometer deflection voltage and realize deflection to control galvanometer system, to be scanned to eyeglass to be measured
The detection of formula；The sample signal light beam of lens reflecting to be measured is back to fiber coupler along original optical path.
The detection method of the defect of lens detection device, wherein the detection of formula detection is scanned to eyeglass to be measured
Direction is：Using the unit norm length that the X-direction length of eyeglass to be measured is detected as single, with the unit norm length to Y-axis
Direction is scanned detection.
The working process and principle of the utility model are：The light that light source is sent out is incident on fiber coupler, by optical fiber coupling
Clutch, which is divided into, is divided into reference light and sample light two-beam source, and reference light forms reference signal light beam after reference arm, with reference to letter
Number light beam is back to fiber coupler along original optical path, and sample light is controlled by sample arm and carried out to each position of lens surface
Scan-type detects, and obtains the sample signal light beam of eyeglass different location, and sample signal light beam is back to fiber coupling along original optical path
Device, reference signal light beam and sample signal light beam interfere in fiber coupler, form interference light signal, and controller obtains
Interference light signal is carried out two dimensional image reconstruction by interference light signal, controller, and the lens plane signal intensity after extraction is rebuild is bent
The lens plane signal intensity curve of reconstruction is compared by line with standard eyeglass curve, judges eyeglass to be measured with the presence or absence of scarce
It falls into.
Compared with prior art, the utility model has further the advantage that：
(1) accuracy：Galvanometer system is added in the technical program, makes light source vertical irradiation to the first galvanometer of galvanometer system
Center of lens on, controller 1 control galvanometer system deflection drive light source eyeglass to be measured is each put position be scanned formula inspection
It surveys, realizes the comprehensive detection of eyeglass to be measured, substantially increase the accuracy of sample detection.
(2) high efficiency：Galvanometer is a kind of excellent vector scan device, and reflection is directly controlled with d. c. voltage signal of popping one's head in
Mirror completes subtle angular deflection, to realize the movement of laser position, since the deflection frequency of optical vibrating mirror is high, may be implemented
To eyeglass to be measured every time into the detection of the scan-type of the line (unit detected as single using the X-direction length of eyeglass to be measured
Full-length is scanned detection with the unit norm length to Y direction), the time of detection is greatly reduced, industry is improved
The efficiency of detection.
(3) this defect of lens detection device test speed is fast, and multiplicating property experiment test can be realized to sample, is ensured
Detect quality.
Description of the drawings
Fig. 1 is the structural schematic diagram of defect of lens detection device provided by the utility model.
Fig. 2 is the step flow chart of the detection method of defect of lens detection device provided by the utility model.
Label declaration in above-mentioned attached drawing：
1-controller, 2-CCD cameras, the 3-the first convex lens group, 4-light sources, 5-fiber couplers, 6-the first is accurate
Straight device, the 7-the second convex lens group, 8-speculums, 9-stepper motors, the 10-the second collimator, 11-USB cameras, 12-half
Saturating semi-reflective mirror, 13-galvanometer systems, 14-eyeglasses to be measured, 15-reference arms, 16-sample arms.
Specific implementation mode
To keep the purpose of this utility model, technical solution and advantage clearer, clear, develop simultaneously implementation referring to the drawings
The utility model is described in further detail for example.
As shown in Figure 1, a kind of defect of lens detection device, including：
Light source 4；
Fiber coupler 5；
Reference arm 15 for obtaining reference signal light beam；
Sample arm 16 for the sample signal light beam for obtaining eyeglass to be measured；
For the interference light signal formed after reference signal light beam and the interference of lens sample signal beams to be carried out X-Y scheme
As rebuilding, the lens plane signal intensity curve after extraction reconstruction, by the lens plane signal intensity curve of reconstruction and standard mirror
Piece curve is compared, and judges that eyeglass to be measured whether there is defects controlling device 1；
The light source 4, reference arm 15, sample arm 16, controller 1 are connect with fiber coupler 5 respectively：What light source 4 was sent out
Light is incident on fiber coupler 5, divides by fiber coupler 5 to be divided into reference light and sample light two-beam source, reference light passes through
Reference signal light beam is formed after reference arm 15, reference signal light beam is back to fiber coupler 5 along original optical path, and sample light passes through sample
The control of product arm 16 is scanned formula detection to each position of lens surface to be measured, obtains the sample of eyeglass different location to be measured
Signal beams, sample signal light beam are back to fiber coupler 5 along original optical path, and reference signal light beam and sample signal light beam are in light
Interfered in fine coupler, formed interference light signal, controller 1 obtain interference light signal, controller 1 by interference light signal into
Row two dimensional image is rebuild, the lens plane signal intensity curve after extraction reconstruction, by the lens plane signal intensity curve of reconstruction
It is compared with standard eyeglass curve, judges that eyeglass to be measured whether there is defect.
Specifically, in order to make controller 1 accurately obtain interference light signal, the defect of lens detection device further includes CCD
Camera 2 and the first convex lens group 3, the CCD camera 2 are connect with controller 1, and the first convex lens group 3 connects with fiber coupler 5
It connects, interference light signal is obtained after the focusing of the first convex lens group 3 by CCD camera 2, and CCD camera 2 is by the interference light signal of acquisition
Controller 1 is fed back to be handled.
Specifically, the reference arm 15 includes the first collimating mirror 6, the second convex lens group 7, speculum 8 and stepper motor 9,
The speculum 8 is arranged on stepper motor 9, is driven and is moved by stepper motor 9, and the stepper motor 9 is controlled by controller 1：
The reference light being emitted by fiber coupler 5 enters the second convex lens group 7 after the first collimating mirror 6 collimation, by the second convex lens
Group 7 is emitted to speculum 8 after focusing, and since speculum 8 is arranged on stepper motor 9, changes reference as stepper motor 9 moves
The position of terminal reflector 8 is to change the light path reference position of reflected light, and former road non-reflective reference signal beams are to fiber coupling
Device 5.
Specifically, the sample arm 16 includes the second collimating mirror 10, galvanometer system 13, USB cameras 11 and semi-transparent semi-reflecting lens
12, eyeglass to be measured is placed in the lower section of semi-transparent semi-reflecting lens 12, and the USB cameras 11 are connect with controller 1, galvanometer system 13 and control
Device 1 connects, and is controlled by controller 1：The sample light being emitted by fiber coupler 5 is directed to after being collimated by the second collimator 10 to shake
The center of lens of mirror system 13 reflects via galvanometer system 13 and reaches semi-transparent semi-reflecting lens 12, makes sample light vertical irradiation to be measured
14 surface of eyeglass；The size of eyeglass to be measured, shape, location information are obtained by USB cameras 11 and feeds back to controller 1, are controlled
Device 1 converts the size, shape, location information of eyeglass to be measured to galvanometer deflection voltage and realizes deflection to control galvanometer system 13,
(detection direction is for detection to be scanned formula to eyeglass to be measured：It is detected as single using the X-direction length of eyeglass to be measured
Unit norm length is scanned detection with the unit norm length to Y direction)；By the sample signal of lens reflecting to be measured
Light beam is back to the reference signal light beam that fiber coupler 5 is returned with reference arm 15 along original optical path is interfered, and interference light is formed
Signal, the reference signal light beam that the reference signal light beam by acquiring entire eyeglass different location to be measured is returned with reference arm 15 into
Capable signal interference reconstructs the surface two-dimensional position structure of eyeglass to be measured.
Specifically, simple and compact for structure in order to make, the galvanometer system 13 includes that the first galvanometer (is arranged, again along X-direction
Claim X-axis galvanometer) and the second galvanometer (being arranged along Y direction, also known as Y-axis galvanometer), first galvanometer and the second galvanometer hang down mutually
Straight setting, the sample light being emitted by fiber coupler 5 are directed to after being collimated by the second collimator 10 in the eyeglass of the first galvanometer
The heart reflects via the first galvanometer, the second galvanometer and reaches semi-transparent semi-reflecting lens 12, makes sample light vertical irradiation to eyeglass 14 to be measured twice
Surface.
Specifically, 2 collected interference light signal intensity I of CCD cameraRSWith position ZiRelationship such as formula 1：
Formula 1 is passed through into Fourier transformation, interference light light intensity signal is transformed into coordinate space from the reciprocal space, obtains formula 2：
Wherein, z indicate light source 4 be emitted laser to lens position point to be measured length and reference light intensity difference, ARFor
The amplitude of reference light, ASFor the amplitude of sample light, zjFor the height of Aplanatic Surface,For phase difference, IRS(k) it is interference light letter
Number intensity.Two-dimensional structure reconstruction image is carried out after being obtained by scanning the spatial position of each position of eyeglass to be measured, and is led to
It crosses collected eyeglass different location signal intensity curve spectrum to be measured to be compared with standard eyeglass curve, such as eyeglass to be measured has
Defect shows as some position of eyeglass reconstructed picture and there is recess on the image, is now the defective locations in signal collection of illustrative plates upper table
Signal declines suddenly.
Specifically, in order to keep the effect of optical signal more preferable, the light source 4 uses laser.
Specifically, it connects for convenience, the fiber coupler 5 uses 2*2 fiber couplers, including four connectivity ports
A, b, c and d, the connectivity ports a are connect with the first convex lens group 3, and the connectivity ports b are connect with light source 4, and the connectivity ports c are accurate with first
Straight mirror 6 connects, and the connectivity ports d are connect with the second collimating mirror 10.
As shown in Fig. 2, a kind of detection method of defect of lens detection device as described above, specifically includes following step
Suddenly：
Step S1：Eyeglass to be measured is positioned over to the lower section of semi-transparent semi-reflecting lens 12, sample arm is adjusted, makes sample light vertical irradiation
To 14 surface of eyeglass to be measured；
Step S2：The light that control light source 4 is sent out is incident on fiber coupler 5, divides by fiber coupler 5 to be divided into reference
Light and sample light two-beam source；
Step S3：Reference light forms reference signal light beam after reference arm 15, and reference signal light beam is returned along original optical path
To fiber coupler 5, sample light controls by sample arm 16 and is scanned formula detection to each position of lens surface, obtains
The sample signal light beam of eyeglass different location, sample signal light beam are back to fiber coupler 5 along original optical path；
Step S4：Reference signal light beam and sample signal light beam interfere in fiber coupler 5, form interference light letter
Number；
Step S5：Controller 1 obtains interference light signal, and interference light signal is carried out two dimensional image reconstruction, extraction by controller 1
Lens plane signal intensity curve after reconstruction, the lens plane signal intensity curve of reconstruction and standard eyeglass curve are compared
Compared with, judge eyeglass to be measured whether there is defect.
Specifically, the reference light forms reference signal light beam after reference arm 15, and reference signal light beam is along original optical path
It is back to fiber coupler 5, detailed process is as follows：Reference light enters the second convex lens group 7 after the first collimating mirror 6 collimation,
By the second convex lens group 7 focus after be emitted to speculum 8, with stepper motor 9 movement change with reference to terminal reflector 8 position from
And change the light path reference position of reflected light, and former road non-reflective reference signal beams are to fiber coupler 5.
Specifically, the sample light controls by sample arm 16 and is scanned formula inspection to each position of lens surface
It surveys, obtains the sample signal light beam of eyeglass different location, sample signal light beam is back to fiber coupler 5 along original optical path, specifically
Process is as follows：Sample light is directed to the center of lens of galvanometer system 13 after being collimated by the second collimator 10, via galvanometer system
13 reflections reach semi-transparent semi-reflecting lens 12, make sample light vertical irradiation to 14 surface of eyeglass to be measured；It is obtained by USB cameras 11 to be measured
The size of eyeglass, shape, location information simultaneously feed back to controller 1, and controller 1 is by the size, shape, location information of eyeglass to be measured
It is converted into galvanometer deflection voltage and realizes deflection to control galvanometer system 13, to be scanned the detection of formula to eyeglass to be measured；It will
The sample signal light beam of lens reflecting to be measured is back to fiber coupler 5 along original optical path.
Wherein, being scanned the detection direction that formula detects to eyeglass to be measured is：It is single with the X-direction length of eyeglass to be measured
The unit norm length of secondary detection is scanned detection with the unit norm length to Y direction.
The technical program is detected by using vibration mirror scanning, in conjunction with machine visual spatial attention can with Real-time Feedback detection process,
And light source is controlled by galvanometer, formula detection is scanned to each position of lens surface；The roads eyeglass Shang Yuan are collected in camera
After the optical signal put back to is put back to reference arm with reference to interference light signal is formed after the interference of light, two dimensional image is carried out to interference light signal
Rebuild, extraction rebuild after lens plane signal intensity curve, be compared with standard eyeglass curve, so that it may to know that eyeglass is
No existing defects.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiment of the utility model is not by above-mentioned
The limitation of embodiment, under other any Spirit Essences and principle without departing from the utility model made by change, modify, replace
In generation, simplifies combination, should be equivalent substitute mode, is included within the scope of protection of the utility model.
Claims (5)
1. a kind of defect of lens detection device, which is characterized in that including：
Light source；
Fiber coupler；
Reference arm for obtaining reference signal light beam；
Sample arm for the sample signal light beam for obtaining eyeglass to be measured；
For the interference light signal formed after reference signal light beam and the interference of lens sample signal beams to be carried out two dimensional image weight
It builds, the lens plane signal intensity curve after extraction reconstruction is bent by the lens plane signal intensity curve of reconstruction and standard eyeglass
Line is compared, and judges that eyeglass to be measured whether there is defects controlling device；
The light source, reference arm, sample arm, controller are connect with fiber coupler respectively：The light that light source is sent out is incident on optical fiber
Coupler, is divided by fiber coupler and is divided into reference light and sample light two-beam source, and reference light forms ginseng after reference arm
Signal beams are examined, reference signal light beam is back to fiber coupler along original optical path, and sample light is controlled by sample arm to mirror to be measured
The each position on piece surface is scanned formula detection, obtains the sample signal light beam of eyeglass different location to be measured, sample signal
Light beam is back to fiber coupler along original optical path, and reference signal light beam and sample signal light beam occur dry in fiber coupler
It relates to, forms interference light signal, controller obtains interference light signal, and interference light signal is carried out two dimensional image reconstruction, carried by controller
The lens plane signal intensity curve after rebuilding is taken, the lens plane signal intensity curve of reconstruction and standard eyeglass curve are carried out
Compare, judges that eyeglass to be measured whether there is defect.
2. defect of lens detection device according to claim 1, which is characterized in that the defect of lens detection device is also wrapped
CCD camera and the first convex lens group are included, the CCD camera is connect with controller, and the first convex lens group is connect with fiber coupler,
Interference light signal is obtained after the focusing of the first convex lens group by CCD camera, and CCD camera feeds back to the interference light signal of acquisition
Controller is handled.
3. defect of lens detection device according to claim 1, which is characterized in that the reference arm includes the first collimation
Mirror, the second convex lens group, speculum and stepper motor, the speculum are arranged on stepper motor, are driven and are moved by stepper motor
Dynamic, the stepper motor is controlled by controller：Entered after the first collimating mirror collimation by the reference light of fiber coupler outgoing
Second convex lens group is emitted to speculum after being focused by the second convex lens group, since speculum is arranged on stepper motor, with
Stepper motor movement changes the position with reference to terminal reflector to change the light path reference position of reflected light, and former road non-reflective reference
Signal beams are to fiber coupler.
4. defect of lens detection device according to claim 1, which is characterized in that the sample arm includes the second collimation
Mirror, galvanometer system, USB cameras and semi-transparent semi-reflecting lens, eyeglass to be measured are placed in the lower section of semi-transparent semi-reflecting lens, the USB cameras and control
Device connection processed, galvanometer system connect with controller, are controlled by controller：Second standard is passed through by the sample light of fiber coupler outgoing
It is directed to the center of lens of galvanometer system after straight device collimation, is reflected via galvanometer system and reaches semi-transparent semi-reflecting lens, sample light is made to hang down
Directly expose to lens surface to be measured；The size of eyeglass to be measured, shape, location information are obtained by USB cameras and feed back to control
Device, controller convert the size, shape, location information of eyeglass to be measured to galvanometer deflection voltage and are realized partially to control galvanometer system
Turn, to be scanned the detection of formula to eyeglass to be measured；The sample signal light beam of lens reflecting to be measured is back to along original optical path
Fiber coupler.
5. defect of lens detection device according to claim 4, which is characterized in that the galvanometer system includes the first galvanometer
With the second galvanometer, first galvanometer and the orthogonal setting of the second galvanometer pass through the by the sample light of fiber coupler outgoing
It is directed to the center of lens of the first galvanometer after two collimators collimation, it is semi-transparent to reflect arrival twice via the first galvanometer, the second galvanometer
Semi-reflective mirror makes sample light vertical irradiation to lens surface to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721570098.XU CN207832690U (en) | 2017-11-22 | 2017-11-22 | A kind of defect of lens detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721570098.XU CN207832690U (en) | 2017-11-22 | 2017-11-22 | A kind of defect of lens detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207832690U true CN207832690U (en) | 2018-09-07 |
Family
ID=63386504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721570098.XU Expired - Fee Related CN207832690U (en) | 2017-11-22 | 2017-11-22 | A kind of defect of lens detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207832690U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860776A (en) * | 2017-11-22 | 2018-03-30 | 佛山科学技术学院 | A kind of defect of lens detection means and method |
| CN109807471A (en) * | 2019-02-01 | 2019-05-28 | 佛山科学技术学院 | A kind of laser mark printing device and method |
| CN114460093A (en) * | 2022-01-29 | 2022-05-10 | 新拓三维技术(深圳)有限公司 | Method and system for detecting defects of aircraft engine |
-
2017
- 2017-11-22 CN CN201721570098.XU patent/CN207832690U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860776A (en) * | 2017-11-22 | 2018-03-30 | 佛山科学技术学院 | A kind of defect of lens detection means and method |
| CN109807471A (en) * | 2019-02-01 | 2019-05-28 | 佛山科学技术学院 | A kind of laser mark printing device and method |
| CN109807471B (en) * | 2019-02-01 | 2024-03-26 | 佛山科学技术学院 | Laser marking device and method |
| CN114460093A (en) * | 2022-01-29 | 2022-05-10 | 新拓三维技术(深圳)有限公司 | Method and system for detecting defects of aircraft engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105143820B (en) | Depth scan is carried out using multiple transmitters | |
| JP7073532B2 (en) | 3D reconstruction system and 3D reconstruction method | |
| KR101808388B1 (en) | Probe apparatus and probe method | |
| CN207832690U (en) | A kind of defect of lens detection device | |
| JP2013108992A (en) | Three-dimensional shape measuring apparatus | |
| CN108332708A (en) | Laser leveler automatic checkout system and detection method | |
| CN104848802B (en) | Normal tracking mode differential confocal non-spherical measuring method and system | |
| CN106153626A (en) | A kind of surface blemish optical detection apparatus and detection method thereof | |
| CN104913732B (en) | The normal tracking mode non-spherical measuring method and system interfered based on recombination laser | |
| CN108344381A (en) | A kind of non-contact 3-D surface shape measurement method | |
| CN108344383A (en) | A kind of non-contact coordinate measuring machine | |
| CN104913733B (en) | The normal tracking mode non-spherical measuring method and system interfered based on multiwavelength laser | |
| CN108344751A (en) | Plate of material shape defect detecting system and method based on multichannel light source | |
| CN103115580A (en) | Three-dimensional hole-shape detection method and detection system based on optical coherence tomography | |
| CN107860776A (en) | A kind of defect of lens detection means and method | |
| CN208223415U (en) | A kind of non-contact 3-D face shape contourgraph | |
| CN109807471A (en) | A kind of laser mark printing device and method | |
| CN108253899A (en) | Optical scanner height measuring device | |
| CN110514142A (en) | A kind of surface shape detection apparatus and surface testing method | |
| CN102043352A (en) | Focusing and leveling detection device | |
| CN102538707A (en) | Three dimensional localization device and method for workpiece | |
| US11808931B2 (en) | Image pickup apparatus with rotation unit | |
| CN112729135B (en) | Area array frequency sweep distance measuring/thickness measuring device and method with active optical anti-shake function | |
| CN106840030A (en) | A kind of two-dimentional long-range profile detection means and detection method | |
| CN109596064A (en) | The confocal stereoscopic vision scanning galvanometer location error apparatus for correcting of binocular and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20191122 |