CN203163964U - Optical lens Abbe value lossless determination apparatus - Google Patents
Optical lens Abbe value lossless determination apparatus Download PDFInfo
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- CN203163964U CN203163964U CN 201320019626 CN201320019626U CN203163964U CN 203163964 U CN203163964 U CN 203163964U CN 201320019626 CN201320019626 CN 201320019626 CN 201320019626 U CN201320019626 U CN 201320019626U CN 203163964 U CN203163964 U CN 203163964U
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- led
- pointolite
- green
- ultraviolet
- light path
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Abstract
Provided is an optical lens Abbe value lossless determination apparatus, supported by a measuring system lensometer algorithm with the DSP technology and an area array CCD as a core, comprising an LED green spot light source, an LED UV spot light source and a reflective mirror and characterized in that the LED green spot light source, a collimating mirror, a detected spectacle lens, a light splitting diaphragm, an imaging lens and a CCD imaging surface (8) form a light path; the LED UV spot light source (2) is arranged between the LED green spot light source (1) and the collimating mirror (4) in the LED green spot light source work light path; the reflective mirror (3) is movably arranged between the LED green spot light source (1) and the collimating mirror (4) in the LED green spot light source work light path. The o optical lens Abbe value lossless determination apparatus does not contact with lenses or damage lenses and can obtain an optical lens Abbe value only by being exposed in a detection apparatus for a second.
Description
Technical field
The utility model relates to a kind of light path harvester, specifically, is a kind of non-destructive determination device of optical mirror slip Abbe number.
Background technology
Along with the Abbe number kind of the continuous development lens of new material is more and more, particularly the difference in selling prices of compositing organic material eyeglass Abbe number is very big, the Abbe number of the same refractive index of the same number of degrees is that 60 eyeglass is higher more than ten times than the price of the eyeglass of Abbe number 30, and range estimation can not be distinguished its difference.Also not having reliable and stable instrument can can't harm the Abbe number of optical mirror slip accurately in the market measures.
Summary of the invention
The purpose of this utility model is to propose a kind of non-destructive determination device of optical mirror slip Abbe number.
For achieving the above object, technical solution of the present utility model is:
A kind of non-destructive determination device of optical mirror slip Abbe number under the algorithm that with DSP technology and area array CCD is the measuring system lensmeter of core is supported, comprises the green pointolite of LED, and LED ultraviolet pointolite and reflective mirror is characterized in that:
The green pointolite of described LED, make the green pointolite of LED by 0.5W green light LED light emitting diode, the light that the green pointolite of described LED sends, collimate through collimating mirror, shine on the tested eye eyeglass deviation takes place, project on the CCD imaging surface through light splitting diaphragm and imaging len again, obtain containing the image of mathematical model at the CCD imaging surface; Because the refractive status of tested eyeglass is different, the size of imaging, position and shape can change on CCD, by CCD receive and microcomputer to the processing of picture position shape, can obtain vertex lens power and the correlation parameter of tested eyeglass;
Described LED ultraviolet pointolite, make LED ultraviolet pointolite by 0.5W UV LED light emitting diode, described LED ultraviolet pointolite be arranged on the green pointolite of LED of the green pointolite working light path of described LED and collimating mirror between, and the formed working light path of LED ultraviolet pointolite is vertical with the working light path of the green pointolite of LED;
Described reflective mirror be movably arranged on the green pointolite of LED of the green pointolite working light path of described LED and collimating mirror between, and the illumination that described LED ultraviolet pointolite sends is mapped to into the reflective mirror that 45 degree are placed, the ultraviolet light of LED ultraviolet pointolite is reflexed to the optical lens group of the working light path of the green pointolite of LED, form the measurement of the non-destructive determination device of optical mirror slip Abbe number.
After adopting technique scheme, the non-destructive determination device of optical mirror slip Abbe number of the present utility model has not haptic lens, do not damage eyeglass, only need be put in the detecting instrument according to the advantage that just can obtain optical lens eyeglass Abbe number once.
Description of drawings
Fig. 1 is the ultraviolet source light path principle figure of non-destructive determination device of the optical mirror slip Abbe number of the utility model embodiment;
Fig. 2 is the structural representation of non-destructive determination device of the optical mirror slip Abbe number of the utility model embodiment;
Fig. 3 is the light channel structure synoptic diagram of non-destructive determination device of the optical mirror slip Abbe number of the utility model embodiment;
Fig. 4 is the non-destructive determination device outside drawing of the optical mirror slip Abbe number of the utility model embodiment.
Among the figure: the green pointolite of 1LED, 2LED ultraviolet pointolite, 3 reflective mirrors, 4 collimating mirrors, 5 tested eye eyeglasses, 6 light splitting diaphragms, 7 imaging lens, 8CCD imaging surface, 9 green light LED light emitting diode lamp sockets, 10 UV LED light emitting diode lamp sockets, 11 mirror bases, 12 optical mirror slip groups, 13 motors, 14 limit switches, 15 pressing plates, 16 support tubes, 17 drive lead screws, 18 transmission nuts, the 19CCD receiver sheet, 20 survey the sheet positioning seat, 21 objective holders, 22 object lens [are the reflective mirror moving direction.
Embodiment
Below in conjunction with embodiment and accompanying drawing thereof the utility model is illustrated further.
Embodiment 1
A kind of non-destructive determination device of optical mirror slip Abbe number
Now see also Fig. 1,1 Fig. 1 is the ultraviolet source light path principle figure of the automatic lensometer of the utility model embodiment, and LED ultraviolet pointolite 2 and reflective mirror 3 among the figure are manoeuvred in the green light source light path.As shown in the figure, the green pointolite of described LED, by 0.5W green light LED light emitting diode, wavelength 530nm makes the green pointolite 1 of LED, the light that the green pointolite of described LED sends, through collimating mirror 4 collimations, shine on the tested eye eyeglass 5 deviation takes place, project on the CCD imaging surface 8 through light splitting diaphragm 6 and imaging len 7 again, obtain containing the image of mathematical model at CCD imaging surface 8; Because the refractive status of tested eyeglass is different, the size of imaging, position and shape can change on CCD, by CCD receive and microcomputer to the processing of picture position shape, can obtain vertex lens power and the correlation parameter of tested eyeglass;
Described LED ultraviolet pointolite 2, by 0.5W UV LED light emitting diode, wavelength 405 nm, make LED ultraviolet pointolite, between the green pointolite 1 of LED that described LED ultraviolet pointolite is arranged on the green pointolite working light path of described LED and the collimating mirror 4, and LED ultraviolet pointolite 2 formed working light paths are vertical with the working light path of the green pointolite of LED;
Described reflective mirror 3 be movably arranged on the green pointolite 1 of LED of the green pointolite working light path of described LED and collimating mirror 4 between, and the illumination that described LED ultraviolet pointolite 2 sends is mapped to into the reflective mirror that 45 degree are placed, the ultraviolet light of LED ultraviolet pointolite 2 is reflexed to the optical lens group of the working light path of the green pointolite of LED, under the algorithm that with DSP technology and area array CCD is the measuring system lensmeter of core is supported, form the measurement of the non-destructive determination device of optical mirror slip Abbe number.
Embodiment 2
The non-destructive determination device of color screen optical mirror slip Abbe number
Fig. 2 is the structural representation of non-destructive determination device of the optical mirror slip Abbe number of the utility model embodiment, Fig. 3 is the light channel structure synoptic diagram of non-destructive determination device of the color screen optical mirror slip Abbe number of the utility model embodiment, and Fig. 4 is the non-destructive determination device outside drawing of the color screen optical mirror slip Abbe number of the utility model embodiment.The non-destructive determination device of this color screen optical mirror slip Abbe number is a product of making according to the non-destructive determination apparatus structure of optical mirror slip Abbe number of the present utility model.
Increase a movably UV light source assembly on the basis of the light path of known automatic lensometer, this assembly is made up of motor 13, support tube 16, transmission nut 18, UV LED light emitting diode lamp socket 10, the ultraviolet light of LED ultraviolet pointolite 2, mirror base 11, reflective mirror 3, limit switch 14, pressing plate 15.Ultraviolet light, mirror base, the reflective mirror of UV LED light emitting diode lamp socket 10, LED ultraviolet pointolite 2 are installed on the support tube, under the drive of motor, do rectilinear motion, position duty when reaching the limit of the site, uviol lamp is lighted, reflective mirror by 45 degree placements, ultraviolet light is reflexed to optical lens group, carry out the measurement of UV transmissivity.The UV light source assembly can move forward and backward with driven by motor, when surveying the lens vertex lens power, the UV light source assembly moves and withdraws from, keep former vertex lens power instrumentation amount mode, measuring vertex lens power and related data rear motor rotates, drive the UV light source assembly be manoeuvred into the common light path of measuring vertex lens power and related data in, the green glow lamp goes out simultaneously, the UV lamp is bright, UV light sees through tested eyeglass by reflective mirror and shines the CCD camera, the CCD camera is measured the light intensity that receives, calculate the transmissivity of this eyeglass, introduce the vertex lens power value of having measured the front again, add the error that produces because of the different number of degrees on the occasion of, because of focal power in respect of the function of looking for photocentre, can both guarantee the photocentre of UV light scioptics when measuring accurately at every turn.
Embodiment 3
The using method of the non-destructive determination device of optical mirror slip Abbe number of the present utility model is characterized in that may further comprise the steps:
The non-destructive determination device of a, use optical mirror slip Abbe number is measured following numerical value:
(1) measures an optical mirror slip and place refractive index n under the described F light
F
(2) measure an optical mirror slip and place refractive index n under the described D light
D
(3) measure an optical mirror slip and place refractive index n under the described C light
C
B, utilize the Abbe number computing formula to calculate the Abbe number of tested eyeglass
In the formula: V
dBe the Abbe number of tested eyeglass, n
DBe the refractive index of tested eyeglass in the D optical frequencies, n
FBe the refractive index of tested eyeglass in the F optical frequencies, n
CBe the refractive index of tested eyeglass in the C optical frequencies.
The utlity model has substantive distinguishing features and significant technical progress, a kind of accurate non-destructive determination method for the optical mirror slip Abbe number is provided.
Above embodiment is only for the usefulness that the utility model is described, but not to restriction of the present utility model, person skilled in the relevant technique under the situation that does not break away from spirit and scope of the present utility model, can also be made various conversion or variation.Therefore, all technical schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.
Claims (1)
1. the non-destructive determination device of an optical mirror slip Abbe number comprises the green pointolite of LED, and LED ultraviolet pointolite and reflective mirror is characterized in that:
The green pointolite of described LED, make the green pointolite of LED (1) by 0.5W green light LED light emitting diode, the light that the green pointolite of described LED sends, collimate through collimating mirror (4), shine tested eye eyeglass (5) and go up the generation deviation, pass through light splitting diaphragm (6) and imaging len (7) again and project on the CCD imaging surface (8), obtain containing the image of mathematical model at CCD imaging surface (8); Because the refractive status of tested eyeglass is different, the size of imaging, position and shape can change on CCD, by CCD receive and microcomputer to the processing of picture position shape, can obtain vertex lens power and the correlation parameter of tested eyeglass;
Described LED ultraviolet pointolite (2), make LED ultraviolet pointolite by 0.5W UV LED light emitting diode, described LED ultraviolet pointolite be arranged on the green pointolite of LED (1) of the green pointolite working light path of described LED and collimating mirror (4) between, and the formed working light path of LED ultraviolet pointolite (2) is vertical with the working light path of the green pointolite of LED;
Described reflective mirror (3) be movably arranged on the green pointolite of LED (1) of the green pointolite working light path of described LED and collimating mirror (4) between, and the illumination that described LED ultraviolet pointolite (2) sends is mapped to into the reflective mirror that 45 degree are placed, the ultraviolet light of LED ultraviolet pointolite (2) is reflexed to the optical lens group of the working light path of the green pointolite of LED, form the measurement of the non-destructive determination device of optical mirror slip Abbe number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320019626 CN203163964U (en) | 2013-01-15 | 2013-01-15 | Optical lens Abbe value lossless determination apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320019626 CN203163964U (en) | 2013-01-15 | 2013-01-15 | Optical lens Abbe value lossless determination apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203163964U true CN203163964U (en) | 2013-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320019626 Expired - Lifetime CN203163964U (en) | 2013-01-15 | 2013-01-15 | Optical lens Abbe value lossless determination apparatus |
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| Country | Link |
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| CN (1) | CN203163964U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186955A (en) * | 2018-08-30 | 2019-01-11 | 上海理工大学 | Progressive multi-focus lens distance region binary channels focal power measuring device and method |
-
2013
- 2013-01-15 CN CN 201320019626 patent/CN203163964U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186955A (en) * | 2018-08-30 | 2019-01-11 | 上海理工大学 | Progressive multi-focus lens distance region binary channels focal power measuring device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |