CN209230923U - A kind of optical device digitlization diopter detection system - Google Patents
A kind of optical device digitlization diopter detection system Download PDFInfo
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- CN209230923U CN209230923U CN201920164440.9U CN201920164440U CN209230923U CN 209230923 U CN209230923 U CN 209230923U CN 201920164440 U CN201920164440 U CN 201920164440U CN 209230923 U CN209230923 U CN 209230923U
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Abstract
The utility model relates to technical field of optical detection, specifically disclose a kind of optical device digitlization diopter detection system, wherein, the optical device digitlization diopter detection system includes: target generating assembly, digital preposition mirror assembly and the control device of pedestal and setting on the base, for test product component, the central coaxial setting of the target generating assembly and the preposition mirror assembly of number to be arranged between the target generating assembly and the preposition mirror assembly of number；The target generating assembly is used to simulate the imaging of the object of infinite point；The preposition mirror assembly of number is for acquiring imaging of the test product component on the target generating assembly；The control device is for the area being currently imaged to be compared with preset imaging area with diopter mapping relations, to obtain diopter corresponding to the test product component.The advantage that optical device digitlization diopter detection system provided by the utility model has detection efficiently and error is small.
Description
Technical field
The utility model relates to technical field of optical detection more particularly to a kind of optical device to digitize diopter detection system
System.
Background technique
The diopter of visual optical instrument (including telescopic system) refers to convergence and diverging journey by optical instrument outgoing beam
Degree.If the light beam that system projects is a branch of directional light, diopter zero；If a branch of converging light, then diopter is positive；For example one
Misconvergence of beams light, then diopter is negative.
Existing diopter detecting instrument is referred to as diopter cylinder, and diopter cylinder is the preset lens that object lens can be moved forward and backward along optical axis,
A diopter scale ruler is had on diopter cylinder.System under test (SUT) is placed among parallel light tube and diopter cylinder, observation parallel light tube point
Draw plate seem it is no same with diopter cylinder division of the graticule clear, if readability is different, move diopter cylinder object lens extremely the two
Until clear simultaneously, the value of diopter cylinder index instruction at this time is exactly the diopter of system under test (SUT), but this diopter cylinder is when detecting
Complicated for operation and accuracy is lower.
Summary of the invention
The utility model aims to solve at least one of the technical problems existing in the prior art, provides a kind of optical device number
Word diopter detection system, to solve the problems of the prior art.
As the one aspect of the utility model, a kind of optical device digitlization diopter detection system is provided, wherein described
Optical device digitlization diopter detection system includes: that target generating assembly, the number of pedestal and setting on the base are preposition
Mirror assembly and control device, for test product group to be arranged between the target generating assembly and the preposition mirror assembly of number
The central coaxial of part, the target generating assembly and the preposition mirror assembly of number is arranged；
The target generating assembly is used to simulate the imaging of the object of infinite point；
The preposition mirror assembly of number is for acquiring imaging of the test product component on the target generating assembly；
The control device is for comparing the area being currently imaged with preset imaging area and diopter mapping relations
Compared with to obtain diopter corresponding to the test product component.
Preferably, the target generating assembly includes:
One end of the pedestal is arranged in parallel light tube, the parallel light tube, and the center of the parallel light tube is described in
Test product component setting, for providing the imaging of infinite point；
Graticle, the graticle are arranged in the parallel light tube, the graduation center of the graticle with it is described parallel
The central coaxial of light pipe.
Preferably, the graticle includes cross-graduation.
Preferably, the imaging includes the picture of cross-graduation.
Preferably, the preposition mirror assembly of number includes:
The other end of the pedestal is arranged in lens mounting frame, the lens mounting frame, preposition for fixing the number
Mirror assembly；
Digital preposition camera lens, the preposition camera lens of number is fixed on the lens mounting frame, for acquiring the target
The imaging of generating assembly.
Preferably, the preposition camera lens of number includes cmos sensor.
Preferably, the control device includes:
Presetting module, the presetting module are used for the test product component of known diopter parameter in target generating assembly
The areas of all imagings demarcated with standard diopter piece, obtain the mapping relations of imaging area and diopter；
Control module, the control module for by test product on target generating assembly the area being currently imaged with
The imaging area is compared with the mapping relations of diopter, obtains the diopter corresponding to test product component.
Preferably, the presetting module include acquisition unit and calibration unit,
It is all on target generating assembly that the acquisition unit is used to acquire the test product component of known diopter parameter
The area of imaging；
Calibration unit obtains imaging area and reflects with diopter for demarcating standard diopter piece and the area of all imagings
Penetrate relationship.
Preferably, the range of the standard diopter piece is between -5D ~ 5D.
Preferably, the control device further includes display module, and the display module is for showing the area being currently imaged.
Optical device provided by the utility model digitizes diopter detection system, simulates infinity by target generating assembly
The imaging of the object at place, imaging of the digital preposition mirror assembly acquisition test product on target generating assembly, control device pass through
The area being currently imaged is compared with preset imaging area with diopter mapping relations, is obtained corresponding to test product component
Diopter, this optical device digitlization diopter detection system by the interpretation of control device realization diopter, digitized degree compared with
Height, and it is small compared to eye-observation error, detection is efficient, in addition, this optical device provided by the utility model digitizes diopter
Detection system is not limited solely to the detection of single product, can be applicable to a variety of instruments, and versatility is preferable.
Detailed description of the invention
Attached drawing is to be used to provide a further understanding of the present invention, and constitute part of specification, and following
Specific embodiment be used to explain the utility model together, but do not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram that optical device provided by the utility model digitizes diopter detection system.
Fig. 2 is the workflow schematic diagram that optical device provided by the utility model digitizes diopter detection system.
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
As the one aspect of the utility model, a kind of optical device digitlization diopter detection system is provided, wherein as schemed
Shown in 1, the optical device digitlization diopter detection system includes: that pedestal 10 and the target being arranged on the pedestal 10 occur
Component 20, digital preposition mirror assembly 40 and control device 50, the target generating assembly 20 and the preposition mirror assembly 40 of the number
Between for test product component 30, the central coaxial of the target generating assembly 20 and the preposition mirror assembly 40 of the number to be arranged
Setting；
The target generating assembly 20 is used to simulate the imaging of the object of infinite point；
The preposition mirror assembly 40 of number is for acquiring the test product component 30 in the target generating assembly 20
Imaging；
The area and preset imaging area and diopter mapping relations that the control device 50 is used to currently to be imaged carry out
Compare, to obtain diopter corresponding to the test product component 30.
Optical device provided by the utility model digitizes diopter detection system, simulates infinity by target generating assembly
The imaging of the object at place, imaging of the digital preposition mirror assembly acquisition test product on target generating assembly, control device pass through
The area being currently imaged is compared with preset imaging area with diopter mapping relations, is obtained corresponding to test product component
Diopter, this optical device digitlization diopter detection system by the interpretation of control device realization diopter, digitized degree compared with
Height, and it is small compared to eye-observation error, detection is efficient, in addition, this optical device provided by the utility model digitizes diopter
Detection system is not limited solely to the detection of single product, can be applicable to a variety of instruments, and versatility is preferable.
Specifically, as shown in Figure 1, the target generating assembly 20 includes:
One end of the pedestal 10, the center of the parallel light tube 21 is arranged in parallel light tube 21, the parallel light tube 21
It is arranged towards the test product component 30, for providing the imaging of infinite point；
Graticle 22, the graticle 22 are arranged in the parallel light tube 21, the graduation center of the graticle 22 with
The central coaxial of the parallel light tube 21.
Preferably, the graticle 22 includes cross-graduation.
It is further preferred that the imaging includes the picture of cross-graduation.
It is understood that one end of the pedestal 10 is arranged in the parallel light tube 21, for provide infinity at
Picture using cross-graduation and is located in parallel light tube 21, and graduation center and 21 central coaxial of parallel light tube make parallel light tube 21
Center is towards test product component 30.
It should be noted that as shown in Figure 1, the test product component 30 includes:
The other end of the pedestal 10 is arranged in product bracket 31, by support base by test product component 30 and pedestal
10 is fixed；
Tested camera lens 32, is fixed on product bracket 31, and the center of tested camera lens 32 is aligned with the center of parallel light tube 21.
Specifically, as shown in Figure 1, the preposition mirror assembly 40 of the number includes:
Lens mounting frame 41, the other end of the pedestal 10 is arranged in the lens mounting frame 41, for fixing the number
The preposition mirror assembly 41 of code；
Digital preposition camera lens 42, the preposition camera lens 42 of number is fixed on the lens mounting frame 41, for acquiring
State the imaging of target generating assembly 20.
Preferably, the preposition camera lens 42 of the number includes cmos sensor.
Specifically, the control device includes:
Presetting module, the presetting module are used for the test product component of known diopter parameter in target generating assembly
The areas of all imagings demarcated with standard diopter piece, obtain the mapping relations of imaging area and diopter；
Control module, the control module for by test product on target generating assembly the area being currently imaged with
The imaging area is compared with the mapping relations of diopter, obtains the diopter corresponding to test product component.
Further specifically, the presetting module include acquisition unit and calibration unit,
It is all on target generating assembly that the acquisition unit is used to acquire the test product component of known diopter parameter
The area of imaging；
Calibration unit obtains imaging area and reflects with diopter for demarcating standard diopter piece and the area of all imagings
Penetrate relationship.
It should be noted that the range of the standard diopter piece is between -5D ~ 5D.
Specifically, the control device further includes display module, and the display module is for showing the area being currently imaged.
At work, the control device 50 can acquire and show the picture of the graticle 22 in digital preposition camera lens 42, and
According to imaging area come with software preset when imaging area compared with.One group of point demarcated is preset in control device 50
It is divided into image planes volume data: using the product of a known parameters, in addition standard diopter piece (- 5D ~ 5D), records respectively under each diopter
CMOS acquired image area.
Before use, target generating assembly 20, test product component 30 and digital preposition mirror assembly 40 are successively arranged in order
Column are fixed on pedestal 10.
In use, test product component 30 is fixed on product bracket, adjusting test product focal length to infinity, and protect
The center of parallel light tube 21 is held, tested 32 center of camera lens and digital preposition 42 center of camera lens are located at same level；By adopting
Collection obtains the picture of the formed cross-graduation after digital preposition camera lens 42, records graduation area at this time, pre- with control device 50
If good calibration area compares, the diopter of test product is obtained.
It is carried out below with reference to the course of work of the Fig. 2 to optical device provided by the utility model digitlization diopter detection system
Detailed description.
Firstly, adjusting the position of tested camera lens and digital preset lens according to the graduation Board position fixed；Compare in CMOS
The area of the imaging of the preposition camera lens of number and default imaging, judges the diopter of test product.
Further specifically, graticle is placed in target generator, and keeps graduation center and parallel light tube center
Coaxially.And just the center of the test product is adjusted to same level according to the position of the cross-graduation.According to described
The position of cross-graduation and the test product adjusts the position of the preposition camera lens of number, target generating assembly, test product
Component and digital preposition mirror assembly are arranged successively are fixed on the base in order.Test product component and digital preposition microscope group
Part is equipped with can up and down adjustment bracket.
It should be noted that the depth of field, clear image can be obtained in camera lens or other imager forward positions by referring to
The subject longitudinal separation range that is measured of imaging.
Digital preset lens employed in the utility model have the biggish depth of field, therefore CMOS can acquire different diopters
Test product formed by clear image.According to visibility measure ment formula, lead to imaging area by calculating discovery diopter difference
Variation.When diopter difference, the area of CMOS picture collected is different, therefore can judge quilt by the size of imaging area
Survey the diopter of product.
It is fixed on product bracket and is added standard diopter piece in the product of a known parameters, passes through standard diopter piece (- 5D
~ 5D) the collected graduation imaging areas of CMOS institute under diopter known to one group are demarcated, it records and keeps data in control device.
When measuring product to be measured, test product is fixed on product bracket, is adjusted test product focal length to infinity, is kept
Parallel light tube center is tested optical center and digital preposition camera lens centre bit in same level；CMOS is observed and recorded to adopt
The imaging area for collecting graticle formed by digital preposition camera lens, with graduation of the graticle preset in control device in CMOS
Imaging area compares, and determines the diopter of the test product.
Optical device provided by the utility model digitizes diopter detection system, preposition using the number with the larger depth of field
Mirror acquires connection control device by CMOS to be imaged.One group of point using the calibration of standard diopter piece is preset in control device
Cuttings volume data obtains the diopter of test product by comparing.The manual operation of this detection mode and traditional measurement reduces and misses
Difference；Using computer disposal, digitized degree is high；Measurement range is wide, and versatility is good.
It is understood that embodiment of above is merely to illustrate that the principles of the present invention and uses exemplary
Embodiment, however the utility model is not limited thereto.For those skilled in the art, this is not being departed from
In the case where the spirit and essence of utility model, various changes and modifications can be made therein, these variations and modifications are also considered as this reality
With novel protection scope.
Claims (10)
1. a kind of optical device digitizes diopter detection system, which is characterized in that the optical device digitizes diopter detection system
System includes: target generating assembly, digital preposition mirror assembly and the control device of pedestal and setting on the base, the target
For test product component, the target generating assembly and the number to be arranged between generating assembly and the preposition mirror assembly of number
The central coaxial setting of the preposition mirror assembly of code；
The target generating assembly is used to simulate the imaging of the object of infinite point；
The preposition mirror assembly of number is for acquiring imaging of the test product component on the target generating assembly；
The control device is used to for the area being currently imaged being compared with preset imaging area with diopter mapping relations, with
Obtain diopter corresponding to the test product component.
2. optical device according to claim 1 digitizes diopter detection system, which is characterized in that the target generation group
Part includes:
One end of the pedestal is arranged in parallel light tube, the parallel light tube, and the center of the parallel light tube is tested towards described
Product component setting, for providing the imaging of infinite point；
Graticle, the graticle are arranged in the parallel light tube, the graduation center of the graticle and the parallel light tube
Central coaxial.
3. optical device according to claim 2 digitizes diopter detection system, which is characterized in that the graticle includes
Cross-graduation.
4. optical device according to claim 3 digitizes diopter detection system, which is characterized in that the imaging includes ten
The picture of word graduation.
5. optical device according to claim 1 digitizes diopter detection system, which is characterized in that the number preset lens
Component includes:
The other end of the pedestal is arranged in lens mounting frame, the lens mounting frame, for fixing the preposition microscope group of number
Part；
Digital preposition camera lens, the preposition camera lens of number are fixed on the lens mounting frame, are occurred for acquiring the target
The imaging of component.
6. optical device according to claim 5 digitizes diopter detection system, which is characterized in that the number preset lens
Head includes cmos sensor.
7. optical device according to claim 1 digitizes diopter detection system, which is characterized in that the control device packet
It includes:
Presetting module, the presetting module is for the institute by the test product component of known diopter parameter on target generating assembly
There is the area of imaging to be demarcated with standard diopter piece, obtains the mapping relations of imaging area and diopter；
Control module, the control module for by test product on target generating assembly the area being currently imaged with it is described
Imaging area is compared with the mapping relations of diopter, obtains the diopter corresponding to test product component.
8. optical device according to claim 7 digitizes diopter detection system, which is characterized in that the presetting module packet
Acquisition unit and calibration unit are included,
The acquisition unit is used to acquire all imagings of the test product component of known diopter parameter on target generating assembly
Area；
Calibration unit obtains imaging area and diopter mapping is closed for demarcating standard diopter piece and the area of all imagings
System.
9. optical device according to claim 7 digitizes diopter detection system, which is characterized in that the standard diopter piece
Range between -5D ~ 5D.
10. optical device according to claim 7 digitizes diopter detection system, which is characterized in that the control device
It further include display module, the display module is for showing the area being currently imaged.
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| CN201920164440.9U CN209230923U (en) | 2019-01-30 | 2019-01-30 | A kind of optical device digitlization diopter detection system |
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| CN201920164440.9U CN209230923U (en) | 2019-01-30 | 2019-01-30 | A kind of optical device digitlization diopter detection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697395A (en) * | 2020-11-20 | 2021-04-23 | 江苏北方湖光光电有限公司 | Method and device for measuring vision degree value |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697395A (en) * | 2020-11-20 | 2021-04-23 | 江苏北方湖光光电有限公司 | Method and device for measuring vision degree value |
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