CN110542539A - Chromatic aberration measuring device for optical lens - Google Patents
Chromatic aberration measuring device for optical lens Download PDFInfo
- Publication number
- CN110542539A CN110542539A CN201910545794.2A CN201910545794A CN110542539A CN 110542539 A CN110542539 A CN 110542539A CN 201910545794 A CN201910545794 A CN 201910545794A CN 110542539 A CN110542539 A CN 110542539A
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- China
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- lens
- wall
- chromatic aberration
- cabin
- aberration measuring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0285—Testing optical properties by measuring material or chromatic transmission properties
Abstract
The invention discloses an optical lens chromatic aberration measuring device which comprises a machine cabin, wherein a display panel and a control panel are arranged on the outer wall of one side of the machine cabin, a detection through groove is formed in the outer wall of the other side of the machine cabin, a lens fixing cabin is connected to the inner wall of the detection through groove in a sliding mode, a clamping mechanism is arranged on the inner wall of the lens fixing cabin, a grating lens is clamped on the inner wall of one side of the lens fixing cabin, a color changing lens is arranged on the inner wall of the other side of the lens fixing cabin, and a light passing mechanism is arranged on the outer wall of. The invention fixes the lens sheet to be detected through the drawer type detection bin, places the lens sheet at the end part of the chromatic aberration measurement hemisphere, photographs, contrasts and overlaps residual images of the positions to be detected of each lens through the matching of multiple elements, compares the residual images with a standard color plate to obtain data, and changes the original closed environment into a low-light environment through changing the light flux amount inside the chromatic aberration measurement hemisphere by the light flux mechanism, thereby reducing the influence of other factors.
Description
Technical Field
The invention relates to the technical field of lens chromatic aberration measurement, in particular to an optical lens chromatic aberration measuring device.
Background
Chromatic aberration is a phenomenon that a lens cannot focus color lights with various wavelengths on the same point optically. It occurs because the lens has different refractive indices for colored light of different wavelengths (dispersion phenomenon). For colored light with longer wavelengths, the refractive index of the lens is lower. In imaging, chromatic aberration manifests as the appearance of colored "edges" at the junction of the high and low regions, since the focal length of the lens is related to the refractive index, and thus each color on the spectrum cannot be focused on the same point on the optical axis. The detection of chromatic aberration has important significance for a refraction system and a refraction and reflection mixing system, on one hand, the manufacturing precision of the optical system can be judged by the detection of chromatic aberration in the manufacturing process of the optical lens, and the chromatic aberration is used as a quality detection and control link in the manufacturing process of the lens; on the other hand, for an optical lens with unknown optical parameters, the chromatic aberration measurement result can be used as an important basis for evaluating the imaging quality of the lens, so that the user is assisted in screening the lens.
In the existing chromatic aberration measuring equipment of the optical lens, the color of the surface of a sample is required to be relatively uniform, the measurement error of the non-uniform surface color has deviation, and meanwhile, the light flux of the lens is not adjusted in the chromatic aberration detection process of the lens, so that the problem that the refractive index of an area to be measured on the lens is influenced by light spots in a detection bin due to diffuse reflection is caused.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an optical lens chromatic aberration measuring device.
In order to achieve the purpose, the invention adopts the following technical scheme:
An optical lens chromatic aberration measuring device comprises a machine cabin, wherein a display panel and a control panel are arranged on the outer wall of one side of the machine cabin, a detection through groove is formed in the outer wall of the other side of the machine cabin, a lens fixing cabin is connected to the inner wall of the detection through groove in a sliding mode, a clamping mechanism is arranged on the inner wall of the lens fixing cabin, a grating lens is clamped on the inner wall of one side of the lens fixing cabin, a color changing lens is arranged on the inner wall of the other side of the lens fixing cabin, a light passing mechanism is arranged on the outer wall of the top of the machine cabin, a chromatic aberration measuring hemisphere is arranged on the inner wall of the machine cabin close to the light passing mechanism, a clamping groove and a grating channel are formed in the outer wall of the chromatic aberration measuring hemisphere, the grating lens is clamped on the inner wall of one end of the grating channel, a gloss trap, the inner wall of one side of the cabin close to the handle is provided with a light source, and the light source, the grating channel and the chromatic aberration measuring hemisphere are positioned at the same axis.
Preferably, the outer wall of the top of the machine cabin is welded with a handle, and the inner wall of the handle is bonded with a protective rubber mat.
Preferably, a visual detector assembly is arranged on one side, close to the color-changing lens, of the inner wall of the color difference measuring hemisphere, and a signal end of the visual detector assembly is connected with a microprocessor through a signal line.
Preferably, the inner walls of the two sides of the color difference measuring hemisphere are both bonded with optical sensors, the signal ends of the optical sensors are connected with the microprocessor through signal lines, and the light source is one of a standard light source and a D light source.
Preferably, a lens to be measured is clamped between the clamping mechanisms, and the lens to be measured and the light passing mechanism are located on the same vertical axis.
Preferably, the outer wall of one end of the cabin, which is far away from the handle, is provided with an observation lens, and the observation lens and the color-changing lens are positioned on the same vertical axis.
Preferably, the light source is connected with a switch, and the switch is connected with the microprocessor through a lead.
the invention has the beneficial effects that:
1. the optical lens chromatic aberration measuring device fixes a lens to be detected through the drawer type detection bin, the lens is arranged at the end part of the chromatic aberration measuring hemisphere, through the matching of multiple elements, a grating channel is changed through a light source and is shot at the sample end, and the residual shadows of the positions to be detected of all lenses are shot, compared and superposed through matching with the high-definition lens, so that the subsequent comparison with a standard color plate is facilitated, the detection equipment is reasonable and portable in structure, and the detection process is simple and easy to operate;
2. The optical lens chromatic aberration measuring device is provided with the light passing mechanism, the original closed environment is changed into a low-light environment by changing the light passing amount inside the chromatic aberration measuring hemisphere, the light passing amount can be different from 1nit to 20nit, and the problem that the refractive index of an area to be measured on a lens is influenced by light spots in a detection bin due to diffuse reflection is solved.
in conclusion, the measuring device fixes the lens sheet to be detected through the drawer-type detection bin, places the lens sheet at the end part of the chromatic aberration measurement hemisphere, performs photographing contrast superposition on residual images at positions to be detected of all lenses through matching among multiple elements, obtains data through subsequent comparison with a standard color plate, changes the light flux amount inside the chromatic aberration measurement hemisphere by the light flux mechanism, changes the original closed environment into a low-light environment, and reduces the problem that the refractive index of a region to be detected on the lens is influenced by light spots in the detection bin due to diffuse reflection.
Drawings
Fig. 1 is a schematic front view of an optical lens chromatic aberration measuring apparatus according to the present invention;
FIG. 2 is a schematic side view of a chromatic aberration measuring apparatus for an optical lens according to the present invention;
Fig. 3 is a schematic diagram of an internal structure of a chromatic aberration measuring hemisphere of the chromatic aberration measuring apparatus for an optical lens according to the present invention.
In the figure: the device comprises a machine cabin 1, a display panel 2, a handle 3, a light passing mechanism 4, a grating lens 5, a clamping mechanism 6, a lens fixing cabin 7, an observation lens 8, a control panel 9, a light source 10, a grating channel 11, a high-definition lens 12, a gloss trap 13, a chromatic aberration measuring hemisphere 14, a lens sheet to be measured 15 and a vision detector assembly 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, an optical lens chromatic aberration measuring apparatus comprises a machine cabin 1, a display panel 2 and a control panel 9 are arranged on the outer wall of one side of the machine cabin 1, a detection through groove is arranged on the outer wall of the other side of the machine cabin 1, a lens fixing cabin 7 is connected with the inner wall of the detection through groove in a sliding manner, a clamping mechanism 6 is arranged on the inner wall of the lens fixing cabin 7, a grating lens 5 is clamped on the inner wall of one side of the lens fixing cabin 7, a color changing lens is arranged on the inner wall of the other side of the lens fixing cabin 7, a light passing mechanism 4 is arranged on the outer wall of the top of the machine cabin 1, a chromatic aberration measuring hemisphere 14 is arranged on the inner wall of the machine cabin 1 close to the light passing mechanism 4, a clamping groove and a grating channel 11 are arranged on the outer wall of one end of the grating channel 11, a gloss trap 13, the light-transmitting mechanism 4 is positioned between the grating channel 11 and the gloss trap 13, the inner wall of one side of the machine cabin 1 close to the handle 3 is provided with the light source 10, the grating channel 11 and the chromatic aberration measuring hemisphere 14 are positioned at the same axis, the outer wall of the top of the machine cabin 1 is welded with the handle 3, the inner wall of the handle 3 is adhered with a protective rubber pad, one side of the inner wall of the chromatic aberration measuring hemisphere 14 close to the color changing lens is provided with the visual detector assembly 16, the signal end of the visual detector assembly 16 is connected with a microprocessor through a signal line, the models of the visual detector assembly 16 are KZX-V6DM, the inner walls of two sides of the chromatic aberration measuring hemisphere 14 are both adhered with optical sensors, the signal end of the optical sensors is connected with the microprocessor through a signal line, the model of the optical sensors is EE-SX670, the model of the microprocessor is A2 ASCPU-S63, the lens sheet 15 to be measured is clamped between the clamping mechanisms 6, the lens sheet 15 to be measured and the light passing mechanism 4 are located on the same vertical axis, the outer wall of one end, away from the handle 3, of the machine cabin 1 is provided with the observation lens 8, the observation lens 8 and the color-changing lens are located on the same vertical axis, the light source 10 is connected with a switch, and the switch is connected with the microprocessor through a wire.
the working principle is as follows: the lens sheet 15 to be measured is placed on the clamping mechanism 6, the light source 10 with constant illuminance and color temperature irradiates the surface of a sample through the grating channel 11 and the grating lens 5 and is projected on the surface of the lens sheet 15 to be measured, the high-definition lens 12 photographs the surface of the sample, the microprocessor analyzes the average values of L, a and b of the whole area of the surface of the sample, a group of samples with the light transmission amount of 0 are designated as a reference substance by changing the light transmission amount of the light transmission mechanism 4, the chromatic aberration of the surfaces of other samples relative to the surface of the reference substance is analyzed through data, human eyes can detect and record through the observation lens 8, the result of the equipment is compared, and the error caused by misoperation is reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. An optical lens chromatic aberration measuring device comprises a machine cabin (1) and is characterized in that a display panel (2) and a control panel (9) are arranged on the outer wall of one side of the machine cabin (1), a detection through groove is formed in the outer wall of the other side of the machine cabin (1), a lens fixing cabin (7) is connected to the inner wall of the detection through groove in a sliding mode, a clamping mechanism (6) is arranged on the inner wall of the lens fixing cabin (7), a grating lens (5) is clamped on the inner wall of one side of the lens fixing cabin (7), a color changing lens is arranged on the inner wall of the other side of the lens fixing cabin (7), a light passing mechanism (4) is arranged on the outer wall of the top of the machine cabin (1), a chromatic aberration measuring hemisphere (14) is arranged on the inner wall of the machine cabin (1) close to the light passing mechanism (4), a clamping groove and a grating channel (11) are arranged on the outer wall of the chromatic aberration measuring hemisphere, the light source type optical fiber laser is characterized in that a gloss trap (13) is arranged on the inner wall of the clamping groove, a high-definition lens (12) is arranged on the outer wall of the other end of the gloss trap (13), the light passing mechanism (4) is located between the grating channel (11) and the gloss trap (13), a light source (10) is arranged on the inner wall of one side, close to the handle (3), of the machine cabin (1), and the light source (10), the grating channel (11) and the chromatic aberration measuring hemisphere (14) are located on the same axis.
2. the chromatic aberration measuring device of an optical lens according to claim 1, wherein a handle (3) is welded to the outer wall of the top of the machine cabin (1), and a protective rubber pad is bonded to the inner wall of the handle (3).
3. The chromatic aberration measuring device of an optical lens according to claim 1, wherein a visual detector assembly (16) is disposed on one side of the inner wall of the chromatic aberration measuring hemisphere (14) close to the color changing lens, and a signal end of the visual detector assembly (16) is connected to a microprocessor through a signal line.
4. The chromatic aberration measuring device of an optical lens according to claim 1, wherein the optical sensors are adhered to the inner walls of both sides of the chromatic aberration measuring hemisphere (14), the signal ends of the optical sensors are connected with the microprocessor through signal lines, and the light source (10) is one of a standard light source and a D65 light source.
5. The device for measuring chromatic aberration of an optical lens according to claim 1, wherein the lens sheet (15) to be measured is clamped between the clamping mechanisms (6), and the lens sheet (15) to be measured and the light-transmitting mechanism (4) are located at the same vertical axis.
6. The device for measuring chromatic aberration of an optical lens according to claim 1, wherein an observation lens (8) is disposed on an outer wall of an end of the machine chamber (1) away from the handle (3), and the observation lens (8) and the color-changing lens are located on the same vertical axis.
7. An optical lens chromatic aberration measuring apparatus according to claim 1, characterized in that the light source (10) is connected with a switch, and the switch is connected with the microprocessor through a wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910545794.2A CN110542539A (en) | 2019-06-23 | 2019-06-23 | Chromatic aberration measuring device for optical lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910545794.2A CN110542539A (en) | 2019-06-23 | 2019-06-23 | Chromatic aberration measuring device for optical lens |
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| Publication Number | Publication Date |
|---|---|
| CN110542539A true CN110542539A (en) | 2019-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910545794.2A Pending CN110542539A (en) | 2019-06-23 | 2019-06-23 | Chromatic aberration measuring device for optical lens |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432842A (en) * | 2021-06-26 | 2021-09-24 | 武昌理工学院 | Detection device and detection method for detection lens |
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| JPH10197338A (en) * | 1996-12-27 | 1998-07-31 | Suga Test Instr Co Ltd | Method for illuminance variable colorimetry and colorimeter |
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| CN103616076A (en) * | 2013-11-13 | 2014-03-05 | 中国电子科技集团公司第四十一研究所 | Color calibration device covering complete color gamut |
| CN203758619U (en) * | 2014-02-24 | 2014-08-06 | 浙江闽锋化学有限公司 | Synthetic leather chromatic aberration inspection device |
| CN107144420A (en) * | 2017-04-26 | 2017-09-08 | 长沙青波光电科技有限公司 | Optical lens aberration detecting and method |
| CN207180998U (en) * | 2017-09-30 | 2018-04-03 | 福州汇思博信息技术有限公司 | A kind of frock of detector lens imaging aberrations |
| CN208206304U (en) * | 2018-06-12 | 2018-12-07 | 云南中烟工业有限责任公司 | A kind of radium-shine cigarette-brand color difference measuring device |
| CN208937294U (en) * | 2018-09-20 | 2019-06-04 | 合盈光电（深圳）有限公司 | A kind of optical lens color difference measuring device to be measured |
| CN210071291U (en) * | 2019-06-23 | 2020-02-14 | 江苏同胜光电科技有限公司 | Chromatic aberration measuring device for optical lens |
-
2019
- 2019-06-23 CN CN201910545794.2A patent/CN110542539A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10197338A (en) * | 1996-12-27 | 1998-07-31 | Suga Test Instr Co Ltd | Method for illuminance variable colorimetry and colorimeter |
| CN102621147A (en) * | 2012-03-09 | 2012-08-01 | 武汉钢铁工程技术集团有限责任公司 | Steel plate surface color difference defect detecting device |
| CN103616076A (en) * | 2013-11-13 | 2014-03-05 | 中国电子科技集团公司第四十一研究所 | Color calibration device covering complete color gamut |
| CN203758619U (en) * | 2014-02-24 | 2014-08-06 | 浙江闽锋化学有限公司 | Synthetic leather chromatic aberration inspection device |
| CN107144420A (en) * | 2017-04-26 | 2017-09-08 | 长沙青波光电科技有限公司 | Optical lens aberration detecting and method |
| CN207180998U (en) * | 2017-09-30 | 2018-04-03 | 福州汇思博信息技术有限公司 | A kind of frock of detector lens imaging aberrations |
| CN208206304U (en) * | 2018-06-12 | 2018-12-07 | 云南中烟工业有限责任公司 | A kind of radium-shine cigarette-brand color difference measuring device |
| CN208937294U (en) * | 2018-09-20 | 2019-06-04 | 合盈光电（深圳）有限公司 | A kind of optical lens color difference measuring device to be measured |
| CN210071291U (en) * | 2019-06-23 | 2020-02-14 | 江苏同胜光电科技有限公司 | Chromatic aberration measuring device for optical lens |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432842A (en) * | 2021-06-26 | 2021-09-24 | 武昌理工学院 | Detection device and detection method for detection lens |
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