CN204666534U - Optical mirror slip detection system - Google Patents
Optical mirror slip detection system Download PDFInfo
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- CN204666534U CN204666534U CN201520251604.3U CN201520251604U CN204666534U CN 204666534 U CN204666534 U CN 204666534U CN 201520251604 U CN201520251604 U CN 201520251604U CN 204666534 U CN204666534 U CN 204666534U
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- optical mirror
- mirror slip
- lens
- detection system
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Abstract
The utility model provides a kind of optical mirror slip detection system, and it comprises at least one optical mirror slip carrier, image acquisition unit and light source; Optical mirror slip carrier is in order to put eyeglass to be measured, image acquisition unit is arranged at above optical mirror slip carrier, in order to capture lens image to be measured to detect, light source is arranged at below optical mirror slip carrier, with provide image acquisition unit detect needed for light, optical mirror slip carrier comprises cavity and lens-bearing element, cavity inside is equipped with liquid, and the bottom of cavity is plane, lens-bearing element is arranged in cavity, and lens-bearing element has curvature.Optical mirror slip detection system of the present utility model, by stablizing lens position to be measured and avoiding excessive optically focused, has reached the object improving detection accuracy.
Description
Technical field
The utility model has about a kind of optical mirror slip detection system, especially a kind of optical mirror slip detection system increasing detection accuracy.
Background technology
In recent years, optical mirror slip, especially contact lenses have become one of indispensable articles for daily use in people's life, and in order in response to huge demand, and relevant manufacturer must by machine in a large number and produce contact lenses rapidly.
In the manufacture process of contact lenses, eyeglass likely because carrying out necessary processing procedure, such as, to be shaped, deburring, or suffers damage during the step such as the demoulding, thus causes lens defects.Therefore, no matter be extended wear or deserted contact lenses, all need through Defect Detection before dispatching from the factory.
Can not flow into market in order to ensure eyeglass defective, relevant manufacturer can be checked on by the mode detected, to maintain product quality in the process manufactured.Known flaw and dirty detection mode have mainly been come by manpower.For example, the contact lens in production run, can first be placed in the transparent vessel that solution (such as normal saline solution) is housed usually, then judges whether contact lenses have flaw or adhere to any dirty by testing staff with naked eyes.
But the shortcoming of manual detection is, confirm that the efficiency of lens defects is too low by manpower, testing staff only can be overlooked or the contact lenses of side-looking splendid attire in transparent vessel by naked eyes, and the standard of artificial judgment often cannot be consistent, make to detect accurate not, and then cause and cannot will have flaw or there is the doubt that dirty contact lenses detect effectively.
Therefore, contact lenses automated detection system has been developed in the prior art to reduce cost of labor and to promote processing procedure speed.Such as No. M387993rd, TaiWan, China patent, discloses a kind of contact lenses pick-up unit, and as shown in Figure 1, Fig. 1 is the schematic diagram of known optical mirror slip detection system.This contact lenses pick-up unit comprise eyeglass detect carrier 110 with put eyeglass 120 to be measured, detecting unit 130 with carry out for eyeglass 120 to be measured detecting and light source 140 with provide detecting unit 130 detect needed for light.But eyeglass 120 to be measured meeting left and right in eyeglass detection carrier 110 is floating and cannot be fixed, when detecting, if eyeglass to be measured 120 moves easily because light inequality causes detecting the bright dark inequality of image, and then can affect the accuracy of testing result.In addition, when eyeglass detection carrier 110 moves, eyeglass 120 to be measured can be pressed close to eyeglass and detect carrier 110 edge thereupon moving, when the position of eyeglass 120 to be measured is departed from eyeglass detection carrier 110 center and is too detected carrier 110 edge near eyeglass, by complete detection, thus testing result cannot be affected by causing the edge of eyeglass 120 to be measured.Again, such as No. I341279th, TaiWan, China patent, discloses a kind of method checking moisture contact lenses, and as shown in Figure 2, Fig. 2 is the schematic diagram of known optical mirror slip detection system.Eyeglass 220 to be measured is placed in the eyeglass detection carrier 210 of circular arc to detect by the method for the moisture contact lenses of this inspection, although the eyeglass that eyeglass 220 to be measured can be fixed in circular arc detects in carrier 210, but the circular arc type eyeglass that accommodate solution detects the characteristic that carrier 210 can have optically focused, the light that this characteristic will affect light source 240 and sends, make the edge not easily light of eyeglass 220 to be measured, and then the accuracy that impact detects.
Therefore, still need a kind of optical mirror slip detection system of novelty at present, it can make the light source of detection be uniformly distributed on eyeglass to be measured, to increase the accuracy in detection of automatic checkout system.
Utility model content
In view of this, this novel object is for providing a kind of optical mirror slip detection system of novelty, and it can be used for detecting contact lens.When detecting, eyeglass to be measured can be fixed in the central authorities of optical mirror slip carrier, and eyeglass can not be subjected to displacement because of moving of carrier, and can avoid affecting the problem of testing result because using circular arc carrier to cause light to concentrate.
The utility model provides a kind of optical mirror slip detection system, and it comprises at least optical mirror slip carrier, image acquisition unit and light source.Optical mirror slip carrier is in order to put eyeglass to be measured.Image acquisition unit is arranged at above aforementioned optical eyeglass carrier, in order to capture the image of aforementioned eyeglass to be measured to detect.Light source is arranged at below aforementioned optical eyeglass carrier, in order to provide aforementioned image acquisition unit detect needed for light.Aforementioned optical eyeglass carrier also comprises cavity and lens-bearing element.Cavity inside is equipped with liquid, and the bottom of cavity is plane.Lens-bearing element is arranged in aforementioned cavity, and lens-bearing element has curvature.
According to an embodiment of the present utility model, wherein, the height of the sidewall of aforementioned cavity is 3 millimeters to 100 millimeters.
According to an embodiment of the present utility model, wherein, the height of predicate lens load-carrying unit is 2 millimeters to 50 millimeters.
According to an embodiment of the present utility model, wherein, the height of the sidewall of aforementioned cavity is greater than the height of predicate lens load-carrying unit.
According to an embodiment of the present utility model, wherein, the radius-of-curvature of predicate lens load-carrying unit is 10 millimeters to 700 millimeters.
According to an embodiment of the present utility model, wherein, the width of predicate lens load-carrying unit is 12 millimeters to 50 millimeters.
According to an embodiment of the present utility model, wherein, aforementioned liquids is buffer solution or water.
According to an embodiment of the present utility model, wherein, aforementioned cavity also comprises liquid injection port.
According to an embodiment of the present utility model, wherein, aforementioned optical mirror slip to be measured is immersed in aforementioned liquids completely.
According to an embodiment of the present utility model, wherein, aforementioned image acquisition unit is also connected to computer system, analyzes with the image of the eyeglass to be measured captured for aforementioned image acquisition unit.
Optical mirror slip detection system of the present utility model, by stablizing lens position to be measured and avoiding excessive optically focused, has reached the object improving detection accuracy.
Above-mentioned utility model content aims to provide the simplification summary of this disclosure, possesses basic understanding to make reader to this disclosure.This utility model content is not the complete overview of this disclosure, and its purpose is not being pointed out the key/critical element of the utility model embodiment or defining this novel scope.After consulting following description, those skilled in the art are when can understanding technological means that essence spirit of the present utility model and the utility model adopt easily and implementing aspect.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of known optical mirror slip detection system.
Fig. 2 is the schematic diagram of known optical mirror slip detection system.
Fig. 3 is the schematic diagram of optical mirror slip detection system of the present utility model.
Embodiment
Hereinafter with reference to relevant drawings, the embodiment according to optical mirror slip detection system of the present utility model is described, for making to be convenient to understand, the similar elements in following embodiment illustrates with identical symbology.Below describe in, above-mentioned optical mirror slip detection system will be introduced.In order to easily understand the event of described embodiment, many ins and outs will be provided below.Certainly, not all embodiment all needs these ins and outs.Meanwhile, some structures be widely known by the people or element, only can draw in a schematic manner in the accompanying drawings, suitably to simplify accompanying drawing content.The accompanying drawing used, its purport is only signal and the use of aid illustration book, may not for the utility model implement after actual proportions and precisely configure, therefore should not understand with regard to the ratio of accompanying drawing and configuration relation, limit to the interest field of the utility model on reality is implemented.
Advantage of the present utility model, feature and the technical method reached are explained in more detail with reference to exemplary embodiments and accompanying drawing and are easier to understand, and the utility model or can realize in different forms, therefore should not be understood the embodiment being only limitted to the statement of this place, on the contrary, for those skilled in the art, the embodiment provided will make this exposure more thorough with comprehensively and intactly pass on category of the present utility model, and the scope that the utility model will only be claims defined.
And unless otherwise defined, allly be used in term (comprising science and technology and scientific terminology) hereinafter and proper noun, in general understood equivalent in meaning with those skilled in the art of the present utility model in fact, and those terms such as defined in general used dictionary should be understood to have the meaning consistent with the content of association area, unless and be defined in hereinafter significantly, will not understand with the excessively idealized or excessively formal meaning.
Refer to Fig. 3, Fig. 3 is the schematic diagram of optical mirror slip detection system of the present utility model.As shown in Figure 3, optical mirror slip detection system of the present utility model comprises at least one optical mirror slip carrier 310, image acquisition unit 330 and light source 340.
Optical mirror slip carrier 310 is in order to put eyeglass 320 to be measured.In an embodiment of the present utility model, eyeglass 320 contact lens to be measured.
Optical mirror slip carrier 310 can be one or more (only illustrating one in figure for representative), and in practical application, be generally and utilize a plurality of optical mirror slip carrier 310 to form detection dish, a plurality of optical mirror slip carrier 310 can be array or linear pattern, sequentially detects multiple eyeglass to be measured 320 to facilitate.Optical mirror slip carrier 310 comprises cavity 311 and lens-bearing element 312.Cavity 311 accommodated inside has liquid 3111, and liquid 3111 can be buffer solution or water.The bottom 3112 of cavity 311 is plane.In an embodiment of the present utility model, the height H 1 of the sidewall of cavity 311 is that 3 millimeters (mm) are to 100 millimeters (mm).In an embodiment of the present utility model, cavity 311 can comprise liquid injection port (graphic do not illustrate), in order to add or the liquid 3111 of supplementary cavity 311 inside.Lens-bearing element 312 is arranged in cavity 311, and lens-bearing element 312 has curvature, consider the convenience of putting eyeglass and the stability avoiding eyeglass movement, the radius-of-curvature of lens-bearing element 312 is that 10 millimeters (mm) are to 700 millimeters (mm), and the width D 1 of lens-bearing element 312 is that 12 millimeters (mm) are to 50 millimeters (mm), the height H 2 of lens-bearing element 312 be 2 millimeters (mm) to 50 millimeters (mm), therefore optical mirror slip to be measured 320 can to slide to bottom lens-bearing element 312 in juxtaposition along lens-bearing element 312 edge.When detecting, eyeglass 320 to be measured to be placed in lens-bearing element 312 and to be immersed in liquid 3111 completely, in an embodiment of the present utility model, the height H 1 of cavity 311 sidewall is greater than the height H 2 of lens-bearing element 312, accordingly, the surface elevation of liquid 3111 can be high compared with the edge of lens-bearing element 312, therefore can avoid the effect of surface tension testing result of liquid 3111.Conveniently light penetration, preferably optical mirror slip carrier 310 can be designed to transparent material and formed.
Image acquisition unit 330 is arranged at above optical mirror slip carrier 310, is soaked in the image of the eyeglass to be measured 320 in liquid 3111 to detect in order to acquisition.Image acquisition unit 330 be such as charge coupled cell (Charge Coupled Device, CCD) or CMOS (Complementary Metal Oxide Semiconductor) (Complementary Metal Oxide Semiconductor, CMOS) one of them.Image acquisition unit 330 can be connected to computer system (graphic do not illustrate), analyze with the lens image to be measured captured for image acquisition unit 330, use and judge whether eyeglass has flaw or dirty, the detection be applicable to and analytical approach can be but the dirty detection method of optical mirror slip disclosed in the optical mirror slip flaw detection method be not limited to disclosed by TaiWan, China patent I458951 patent or TaiWan, China patent I451076 patent.
Light source 340 is arranged at below optical mirror slip carrier 310, with provide image acquisition unit 330 detect needed for light.In order to make the lens image of acquisition clear, light source 340 can be uniform area source, it can by pointolites such as common for example light-emittingdiodes, coordinate diffuser plate (diffuser), Fresnel Lenses (Fresnel lens) etc., make the equalizing light rays that it sends, but be not limited thereto.
During detection, first eyeglass 320 to be measured is put in the lens-bearing element 312 of optical mirror slip carrier 310, and make eyeglass 320 to be measured be soaked in solution 3111, then, after providing light by light source 340 by bottom, then captured the image of eyeglass 320 to be measured by image acquisition unit 330.Then, captured image is directly transferred to computer system, carry out robotization by computer system with preceding method and differentiate whether eyeglass 320 to be measured has flaw or dirty, by this, can human cost be saved further and accelerate detection speed.Because bottom the cavity 311 of optical mirror slip carrier 310,3111 is plane, therefore do not have in known carrier the problem making lens edge light uneven because of spotlight effect, and by having the setting of lens-bearing element 312 of curvature, eyeglass 320 to be measured can be stable drop in the middle of lens-bearing element 312, therefore evenly can obtain clear-cut margin and inside pick-up image clearly by photoimaging, and then improve the accuracy of optical mirror slip automatic checkout system.
From the above, optical mirror slip detection system of the present utility model can by stablizing lens position to be measured and avoiding excessive optically focused to reach improving the object of detection accuracy.
Although this is novel with embodiment exposure as above; so itself and be not used to limit that this is novel; above-described embodiment is only and technological thought of the present utility model and feature is described; its object understands content of the present utility model implementing according to this enabling those skilled in the art; when can not with restriction the scope of the claims of the present utility model; namely the equalization change that the spirit generally disclosed according to the utility model is done or modification; must be encompassed in the scope of the claims of the present utility model, this novel protection domain is worked as the scope defined depending on claims and is as the criterion.
Claims (10)
1. an optical mirror slip detection system, is characterized in that this optical mirror slip detection system comprises:
At least one optical mirror slip carrier, to put eyeglass to be measured;
Image acquisition unit, it is arranged at above this optical mirror slip carrier, in order to capture the image of this eyeglass to be measured to detect; And
Light source, it is arranged at below this optical mirror slip carrier, with provide this image acquisition unit detect needed for light;
Wherein this optical mirror slip carrier also comprises:
Cavity, its accommodated inside has liquid, and the bottom of this cavity is plane; And
Lens-bearing element, it is arranged in this cavity, and this lens-bearing element has curvature.
2. optical mirror slip detection system as claimed in claim 1, it is characterized in that, the height of the sidewall of this cavity is 3 millimeters to 100 millimeters.
3. optical mirror slip detection system as claimed in claim 1, it is characterized in that, the height of this lens-bearing element is 2 millimeters to 50 millimeters.
4. optical mirror slip detection system as claimed in claim 1, it is characterized in that, the height of the sidewall of this cavity is greater than the height of this lens-bearing element.
5. optical mirror slip detection system as claimed in claim 1, it is characterized in that, this radius-of-curvature of this lens-bearing element is 10 millimeters to 700 millimeters.
6. optical mirror slip detection system as claimed in claim 1, it is characterized in that, the width of this lens-bearing element is 12 millimeters to 50 millimeters.
7. optical mirror slip detection system as claimed in claim 1, it is characterized in that, this liquid is buffer solution or water.
8. optical mirror slip detection system as claimed in claim 1, it is characterized in that, this cavity also comprises liquid injection port.
9. optical mirror slip detection system as claimed in claim 1, it is characterized in that, this optical mirror slip to be measured is immersed in this liquid completely.
10. optical mirror slip detection system as claimed in claim 1, it is characterized in that, this image acquisition unit is also connected to computer system, analyzes with the image of this eyeglass to be measured captured for this image acquisition unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520251604.3U CN204666534U (en) | 2015-04-23 | 2015-04-23 | Optical mirror slip detection system |
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| CN201520251604.3U CN204666534U (en) | 2015-04-23 | 2015-04-23 | Optical mirror slip detection system |
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| CN204666534U true CN204666534U (en) | 2015-09-23 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578810A (en) * | 2020-05-27 | 2020-08-25 | 扬州辰亚光学科技有限公司 | Electronic equipment optical component research and development detection platform convenient to adjust |
| CN113311006A (en) * | 2020-02-26 | 2021-08-27 | 乐达创意科技股份有限公司 | Automatic optical detection system and method for detecting edge defects of contact lens |
| CN113390897A (en) * | 2020-03-12 | 2021-09-14 | 乐达创意科技股份有限公司 | Automatic optical detection system and method for detecting surface flaws of contact lens |
-
2015
- 2015-04-23 CN CN201520251604.3U patent/CN204666534U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113311006A (en) * | 2020-02-26 | 2021-08-27 | 乐达创意科技股份有限公司 | Automatic optical detection system and method for detecting edge defects of contact lens |
| CN113390897A (en) * | 2020-03-12 | 2021-09-14 | 乐达创意科技股份有限公司 | Automatic optical detection system and method for detecting surface flaws of contact lens |
| CN111578810A (en) * | 2020-05-27 | 2020-08-25 | 扬州辰亚光学科技有限公司 | Electronic equipment optical component research and development detection platform convenient to adjust |
| CN111578810B (en) * | 2020-05-27 | 2021-07-02 | 扬州创群网络科技有限公司 | Electronic equipment optical component research and development detection platform convenient to adjust |
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