CN109342024B - Contact lens screening equipment and screening method thereof - Google Patents
Contact lens screening equipment and screening method thereof Download PDFInfo
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- CN109342024B CN109342024B CN201811077777.2A CN201811077777A CN109342024B CN 109342024 B CN109342024 B CN 109342024B CN 201811077777 A CN201811077777 A CN 201811077777A CN 109342024 B CN109342024 B CN 109342024B
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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
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Abstract
The invention relates to a contact lens screening device and a screening method thereof, wherein the contact lens screening device comprises a base, a rotary material placing table and an optometry structure, wherein in the feeding step, a lens packaging part enters the optometry structure by controlling the rotary material placing table to work; a positioning step, wherein the upper light sealing part is driven to act through the light sealing driving part so as to tightly press the glasses packaging part to the lower light sealing seat; a light supply step, wherein the light supply spotlight is controlled to work; a light collecting step, wherein the light collecting plate is controlled to work to form light collecting irradiation information; and a light decoding step, wherein corresponding lens characteristic information is generated according to the light collecting irradiation information. The parameters of the contact lenses are analyzed through the principle of optical induction, and then the parameters of each contact lens are finally obtained through quantifying the analysis result, so that the parameters of the contact lenses can be sampled, and the classification of the contact lenses is facilitated.
Description
Technical Field
The invention relates to the technical field of contact lens production or processing, in particular to contact lens screening equipment and a screening method thereof.
Background
Contact lenses, also known as contact lenses, are lenses that are worn on the cornea of the eye to correct vision or protect the eye. It includes three kinds of hard, semi-hard and soft according to the hardness of the material. The contact lens brings great improvement to patients with ametropia such as myopia, hyperopia, astigmatism and the like from the aspects of appearance and convenience. The visual field is wide, the visual objects are vivid, and the special effects are exerted on the aspects of controlling the development of myopia and astigmatism of teenagers, treating special eye diseases and the like. The hospital specialist reminds a regular hospital or a lens dispensing mechanism to carry out detailed examination when wearing the contact lenses, selects the contact lenses suitable for being worn by the hospital specialist, pays attention to eye hygiene, avoids causing other eye symptoms, and timely goes to the hospital to carry out examination if finding discomfort after wearing. Silicone hydrogel, hydrated polymers (methyl methacrylate, hydroxyethyl methacrylate, glycerolipid methacrylate, etc.).
At present, parameters of the contact lenses are detected in a manual recording mode, and the contact lenses cannot be detected, so that the contact lenses cannot be uniformly and effectively managed.
Disclosure of Invention
In view of the above, a first object of the present invention is to provide a contact lens screening apparatus;
a second object is to provide a method for screening contact lenses to solve the above problems.
In order to solve the technical problems, the technical scheme of the invention is as follows: a contact lens screening device comprises a base, a rotary material placing table and an optometry structure,
the rotary material placing table is provided with a plurality of material placing grooves and a rotary driving piece, the material placing grooves are used for placing eyeglass packages, package cavities are formed in the eyeglass packages, contact lenses are placed in the package cavities, and the rotary driving piece is used for driving the rotary material placing table to rotate so that the eyeglass packages sequentially enter the optometry structure;
the optometry structure comprises an upper light sealing frame and a lower light sealing seat, an upper light sealing piece and a light sealing driving piece are arranged on the upper light sealing frame, the light sealing driving piece is used for driving the upper light sealing piece to move so as to tightly press or loosen the glasses packaging piece to the lower light sealing seat, and an upper alignment structure and a lower alignment structure are respectively arranged at two ends of the glasses packaging piece;
the upper light sealing frame is also provided with a light supply structure, the light supply structure comprises a light supply spotlight and a light supply probe, and the light supply spotlight is used for providing a preset convergence light source and outputting the convergence light source from the light supply probe through a first light path preset in the light supply structure;
the lower light sealing seat is provided with a light collecting structure, the light collecting structure comprises a light collecting probe and a light collecting plate, the light collecting probe is used for receiving a light source and sending the light source to the light collecting plate through a third light path preset in the light collecting structure, and the light collecting plate outputs light collecting irradiation information according to the distribution of light and the illumination intensity;
when the glasses packaging piece is pressed on the lower light sealing seat, a second light path is formed inside the packaging cavity, the input end of the second light path is formed by matching the light supply probe and the upper alignment structure, and the output end of the second light path is formed by matching the light collecting probe and the lower alignment structure;
the optometric structure includes a controller configured with a light interpretation strategy that generates corresponding lens characteristic information from received to collected light illumination information.
Further: the upper alignment structure further comprises a sealing layer, and when the light supply probe is matched with the upper alignment structure, the sealing layer is extruded to reduce the space in the packaging cavity so that the contact lens in the packaging cavity is horizontally placed under the impact of extrusion force.
Further: and a sodium chloride solution is filled in the packaging cavity.
Further: the controller is provided with a triggering strategy, the triggering strategy comprises that a triggering illumination sensor is arranged in the center of the light collecting plate, the triggering illumination sensor is used for detecting the illumination intensity of the position where the triggering illumination sensor is located, when the illumination intensity fed back by the triggering illumination sensor exceeds a triggering illumination threshold value, triggering information is output, and the controller receives the light collecting illumination information according to the triggering information.
Further: the triggering illumination threshold value is in direct proportion to the illumination intensity of the beam-converging light source.
Further: the light supply structure comprises a light supply pipe, the light supply probe is arranged on the light supply pipe, the first light path is formed in the light supply pipe, and the light supply pipe and the light supply probe are fixed through clamping.
Further: the light supply adjusting structure is provided with a plurality of light supply tubes, different light adjusting mirrors are arranged in the light supply tubes to enable first light paths in the light supply tubes to be different, the light supply adjusting structure is provided with a mechanical hand grip, and the light supply tubes are replaced on the upper sealing light frame through the mechanical hand grip.
In order to achieve the second object of the invention, a rotary material placing table and an optometry structure are provided, the rotary material placing table is provided with a plurality of material placing grooves and a rotary driving piece, the material placing grooves are used for placing lens packaging pieces, a packaging cavity is formed inside the lens packaging pieces, contact lenses are placed in the packaging cavity, and the rotary driving piece is used for driving the rotary material placing table to rotate so that the lens packaging pieces sequentially enter the optometry structure;
the optometry structure comprises an upper light sealing frame and a lower light sealing seat, an upper light sealing piece and a light sealing driving piece are arranged on the upper light sealing frame, the light sealing driving piece is used for driving the upper light sealing piece to move so as to tightly press or loosen the glasses packaging piece to the lower light sealing seat, and an upper alignment structure and a lower alignment structure are respectively arranged at two ends of the glasses packaging piece;
the upper light sealing frame is also provided with a light supply structure, the light supply structure comprises a light supply spotlight and a light supply probe, and the light supply spotlight is used for providing a preset convergence light source and outputting the convergence light source from the light supply probe through a first light path preset in the light supply structure;
the lower light sealing seat is provided with a light collecting structure, the light collecting structure comprises a light collecting probe and a light collecting plate, the light collecting probe is used for receiving a light source and sending the light source to the light collecting plate through a third light path preset in the light collecting structure, and the light collecting plate outputs light collecting irradiation information according to the distribution of light and the illumination intensity;
when the glasses packaging piece is pressed on the lower light sealing seat, a second light path is formed inside the packaging cavity, the input end of the second light path is formed by matching the light supply probe and the upper alignment structure, and the output end of the second light path is formed by matching the light collecting probe and the lower alignment structure;
the method comprises the following specific steps:
a feeding step, wherein the glasses packaging piece enters the optometry structure by controlling a rotary material placing table to work;
a positioning step, wherein the upper light sealing part is driven to act through the light sealing driving part so as to tightly press the glasses packaging part to the lower light sealing seat;
a light supply step, wherein the light supply spotlight is controlled to work;
a light collecting step, wherein the light collecting plate is controlled to work to form light collecting irradiation information;
and a light decoding step, wherein corresponding lens characteristic information is generated according to the light collecting irradiation information.
Further: the positioning step further comprises a rest first preset time.
The technical effects of the invention are mainly reflected in the following aspects: firstly, parameters of the contact lenses are analyzed through the principle of optical induction, and then the parameters of each contact lens are obtained through quantifying the analysis result, so that the parameters of the contact lenses can be sampled, and the classification of the contact lenses is facilitated.
Drawings
FIG. 1: the contact lens screening device is a schematic structural diagram;
FIG. 2: an enlarged view of part A of FIG. 2 of the contact lens screening apparatus of the present invention;
FIG. 3: the contact lens screening equipment of the invention has a schematic structure of a lens packaging part;
FIG. 4: the contact lens screening equipment comprises an optometry structure schematic diagram;
FIG. 5: the system of the invention is constructed by a topological diagram.
Reference numerals: 1. an eyeglass package; 11. a packaging cavity; 12. an upper alignment structure; 13. a lower alignment structure; 2. a controller; 100. a base; 200. rotating the material placing table; 210. a material placing groove; 220. a rotary drive member; 300. an optometric structure; 310. an upper sealing frame; 311. an upper sealing member; 312. a sealing light driving member; 320. a lower sealing seat; 321. a light collecting probe; 322. a light collecting plate; 331. a light supply spot lamp; 332. a light supply probe; 333. a light supply pipe; 400. a light-providing regulating structure; 410. and (4) a mechanical gripper.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.
Referring to fig. 1, a contact lens screening apparatus includes a base 100, a rotary material placing table 200 and an optometry structure 300,
the rotary material placing table 200 is provided with a plurality of material placing grooves 210 and a rotary driving member 220, the material placing grooves 210 are used for placing the spectacle packages 1, a packaging cavity 11 is formed inside the spectacle package 1, contact lenses are placed in the packaging cavity 11, and the rotary driving member 220 is used for driving the rotary material placing table 200 to rotate so that the spectacle packages 1 sequentially enter the optometry structure 300;
the optometry structure 300 comprises an upper light sealing frame 310 and a lower light sealing base 320, wherein an upper light sealing piece 311 and a light sealing driving piece 312 are arranged on the upper light sealing frame 310, the light sealing driving piece 312 is used for driving the upper light sealing piece 311 to move so as to press or loosen the glasses packaging piece 1 to the lower light sealing base 320, and an upper alignment structure 12 and a lower alignment structure 13 are respectively arranged at two ends of the glasses packaging piece 1; the upper sealing optical frame 310 is further provided with an optical supply structure, the optical supply structure comprises an optical supply lamp 331 and an optical supply probe 332, the optical supply lamp 331 is used for providing a preset beam-receiving light source and outputting from the optical supply probe 332 through a first optical path preset in the optical supply structure; a light collecting structure is arranged on the lower light sealing seat 320, the light collecting structure comprises a light collecting probe 321 and a light collecting plate 322, the light collecting probe 321 is used for receiving a light source and sending the light source to the light collecting plate 322 through a third light path preset in the light collecting structure, and the light collecting plate 322 outputs light collecting irradiation information according to the distribution of light and the illumination intensity; when the eyeglass package 1 is pressed against the lower light sealing seat 320, a second light path is formed inside the package cavity 11, an input end of the second light path is formed by the light supply probe 332 and the upper alignment structure 12 in a matching manner, and an output end of the second light path is formed by the light collection probe 321 and the lower alignment structure 13 in a matching manner; the optometry structure 300 is a more central design point of the present invention, and firstly, the optometry structure 300 is composed of two parts, one is an upper wall-broken structure, as shown in fig. 2, the upper light-sealing member 311 is driven by the light-sealing driving member 312 to move downwards, and then can be matched with the lens package 1, a light source is projected inside the light-sealing cavity, and the light source is irradiated on the lower light-sealing seat 320 under the condition of the refraction of the contact lens according to the light source distribution of the light-collecting plate 322 on the lower light-sealing seat 320, so that the parameters of the contact lens can be extracted, and the optometry structure is particularly suitable for recovering the contact lens and then carrying out subsequent application, and thus the parameters of the contact lens can be retrieved under the most economical and effective conditions, and then the classification and recovery can be carried out. The upper alignment structure 12 further includes a sealing layer, and when the light-providing probe 332 is matched with the upper alignment structure 12, the sealing layer is pressed to reduce the space in the package cavity 11 so that the contact lens inside the package cavity 11 is placed in a flat state under the impact of the pressing force. Therefore, the contact lens can be ensured to be horizontally arranged during detection, and the detection effect is improved. And the packaging cavity 11 is filled with sodium chloride solution. The controller 2 is configured with a triggering strategy, the triggering strategy includes that a triggering illuminance sensor is configured in the center of the light collection plate 322, the triggering illuminance sensor is used for detecting the illumination intensity of the position where the triggering illuminance sensor is located, when the illumination intensity fed back by the triggering illuminance sensor exceeds a triggering illuminance threshold value, triggering information is output, and the controller 2 receives the light collection irradiation information according to the triggering information. Firstly, only when the contact lens is horizontally placed, the illumination intensity fed back by the trigger illumination sensor can exceed the trigger illumination threshold, and by judging the condition, the light collecting illumination information can be ensured to be acquired when the contact lens is horizontally placed, so that the accuracy is improved. The triggering illumination threshold value is in direct proportion to the illumination intensity of the beam-converging light source. The upper end and the lower end of the glasses package 1 are made of transparent materials, and have light transmittance, and specifically, the glasses package can be made of transparent plastics and has a smooth surface.
The optometric structure 300 comprises a controller 2, the controller 2 being configured with a light interpretation strategy that generates corresponding lens characteristic information from the received to-collected light illumination information. Specifically, a relationship may be constructed in advance according to the light collection irradiation information and the theoretical lens characteristic information to form an information table, and after the light collection irradiation information is obtained by the light interpretation strategy, the corresponding lens characteristic information may be found through the information table.
The light supply structure comprises a light supply pipe 333, the light supply probe 332 is arranged on the light supply pipe 333, the first light path is formed inside the light supply pipe 333, and the light supply pipe 333 and the light supply probe 332 are fixed through clamping. The light supply adjusting structure 400 is further included, the light supply adjusting structure 400 is provided with a plurality of light supply pipes 333, different light adjusting mirrors are arranged in the light supply pipes 333, so that first light paths in the light supply pipes 333 are different, the light supply adjusting structure 400 is provided with a mechanical hand grip 410, and the light supply pipes 333 are replaced from the upper sealing frame 310 through the mechanical hand grip 410. The triggering illumination threshold value is in direct proportion to the illumination intensity of the beam-converging light source. Firstly, the light supply structure is different in the configuration of the first light path because the prism of the light supply tube 333 is arranged differently through the light supply tube 333, and the light supply tube 333 can be detached and replaced through the mechanical hand grip 410, so that the detection effect is ensured.
In another embodiment, a contact lens screening method is provided, wherein a rotary material placing table 200 and an optometry structure 300 are provided, the rotary material placing table 200 is provided with a plurality of material placing grooves 210 and a rotary driving member 220, the material placing grooves 210 are used for placing lens packages 1, an enclosure cavity 11 is formed inside the lens packages 1, contact lenses are placed in the enclosure cavity 11, and the rotary driving member 220 is used for driving the rotary material placing table 200 to rotate so that the lens packages 1 sequentially enter the optometry structure 300;
the optometry structure 300 comprises an upper light sealing frame 310 and a lower light sealing base 320, wherein an upper light sealing piece 311 and a light sealing driving piece 312 are arranged on the upper light sealing frame 310, the light sealing driving piece 312 is used for driving the upper light sealing piece 311 to move so as to press or loosen the glasses packaging piece 1 to the lower light sealing base 320, and an upper alignment structure 12 and a lower alignment structure 13 are respectively arranged at two ends of the glasses packaging piece 1;
the upper sealing optical frame 310 is further provided with an optical supply structure, the optical supply structure comprises an optical supply lamp 331 and an optical supply probe 332, the optical supply lamp 331 is used for providing a preset beam-receiving light source and outputting from the optical supply probe 332 through a first optical path preset in the optical supply structure;
a light collecting structure is arranged on the lower light sealing seat 320, the light collecting structure comprises a light collecting probe 321 and a light collecting plate 322, the light collecting probe 321 is used for receiving a light source and sending the light source to the light collecting plate 322 through a third light path preset in the light collecting structure, and the light collecting plate 322 outputs light collecting irradiation information according to the distribution of light and the illumination intensity;
when the eyeglass package 1 is pressed against the lower light sealing seat 320, a second light path is formed inside the package cavity 11, an input end of the second light path is formed by the light supply probe 332 and the upper alignment structure 12 in a matching manner, and an output end of the second light path is formed by the light collection probe 321 and the lower alignment structure 13 in a matching manner;
the method comprises the following specific steps:
a feeding step, in which the eyeglass package 1 enters the optometry structure 300 by controlling the work of the rotary material placing table 200;
a positioning step, driving the upper light sealing part 311 to move through the light sealing driving part 312 to press the glasses package 1 to the lower light sealing seat 320;
a light supply step of controlling the light supply lamp 331 to operate;
a light collecting step, controlling the light collecting plate 322 to work to form light collecting illumination information;
and a light decoding step, wherein corresponding lens characteristic information is generated according to the light collecting irradiation information.
Further: the positioning step further comprises a rest first preset time.
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.
Claims (9)
1. A contact lens screening apparatus, characterized by: comprises a base, a rotary material placing table and an optometry structure,
the rotary material placing table is provided with a plurality of material placing grooves and a rotary driving piece, the material placing grooves are used for placing eyeglass packages, package cavities are formed in the eyeglass packages, contact lenses are placed in the package cavities, and the rotary driving piece is used for driving the rotary material placing table to rotate so that the eyeglass packages sequentially enter the optometry structure;
the optometry structure comprises an upper light sealing frame and a lower light sealing seat, an upper light sealing piece and a light sealing driving piece are arranged on the upper light sealing frame, the light sealing driving piece is used for driving the upper light sealing piece to move so as to tightly press or loosen the glasses packaging piece to the lower light sealing seat, and an upper alignment structure and a lower alignment structure are respectively arranged at two ends of the glasses packaging piece;
the upper light sealing frame is also provided with a light supply structure, the light supply structure comprises a light supply spotlight and a light supply probe, and the light supply spotlight is used for providing a preset convergence light source and outputting the convergence light source from the light supply probe through a first light path preset in the light supply structure;
the lower light sealing seat is provided with a light collecting structure, the light collecting structure comprises a light collecting probe and a light collecting plate, the light collecting probe is used for receiving a light source and sending the light source to the light collecting plate through a third light path preset in the light collecting structure, and the light collecting plate outputs light collecting irradiation information according to the distribution of light and the illumination intensity;
when the glasses packaging piece is pressed on the lower light sealing seat, a second light path is formed inside the packaging cavity, the input end of the second light path is formed by matching the light supply probe and the upper alignment structure, and the output end of the second light path is formed by matching the light collecting probe and the lower alignment structure;
the optometric structure includes a controller configured with a light interpretation strategy that generates corresponding lens characteristic information from received to collected light illumination information.
2. A contact lens screening apparatus as claimed in claim 1, wherein: the upper alignment structure further comprises a sealing layer, and when the light supply probe is matched with the upper alignment structure, the sealing layer is extruded to reduce the space in the packaging cavity so that the contact lens in the packaging cavity is horizontally placed under the impact of extrusion force.
3. A contact lens screening apparatus as claimed in claim 2, wherein: and a sodium chloride solution is filled in the packaging cavity.
4. A contact lens screening apparatus as claimed in claim 1, wherein: the controller is provided with a triggering strategy, the triggering strategy comprises that a triggering illumination sensor is arranged in the center of the light collecting plate, the triggering illumination sensor is used for detecting the illumination intensity of the position where the triggering illumination sensor is located, when the illumination intensity fed back by the triggering illumination sensor exceeds a triggering illumination threshold value, triggering information is output, and the controller receives the light collecting illumination information according to the triggering information.
5. A contact lens screening apparatus as claimed in claim 4, wherein: the triggering illumination threshold value is in direct proportion to the illumination intensity of the beam-converging light source.
6. A contact lens screening apparatus as claimed in claim 1, wherein: the light supply structure comprises a light supply pipe, the light supply probe is arranged on the light supply pipe, the first light path is formed in the light supply pipe, and the light supply pipe and the light supply probe are fixed through clamping.
7. A contact lens screening apparatus as claimed in claim 6, wherein: the light supply adjusting structure is provided with a plurality of light supply tubes, different light adjusting mirrors are arranged in the light supply tubes to enable first light paths in the light supply tubes to be different, the light supply adjusting structure is provided with a mechanical hand grip, and the light supply tubes are replaced on the upper sealing light frame through the mechanical hand grip.
8. A method of screening contact lenses, comprising: providing a rotary material placing table and an optometry structure, wherein the rotary material placing table is provided with a plurality of material placing grooves and a rotary driving piece, the material placing grooves are used for placing eyeglass packages, package cavities are formed in the eyeglass packages, contact lenses are placed in the package cavities, and the rotary driving piece is used for driving the rotary material placing table to rotate so that the eyeglass packages sequentially enter the optometry structure;
the optometry structure comprises an upper light sealing frame and a lower light sealing seat, an upper light sealing piece and a light sealing driving piece are arranged on the upper light sealing frame, the light sealing driving piece is used for driving the upper light sealing piece to move so as to tightly press or loosen the glasses packaging piece to the lower light sealing seat, and an upper alignment structure and a lower alignment structure are respectively arranged at two ends of the glasses packaging piece;
the upper light sealing frame is also provided with a light supply structure, the light supply structure comprises a light supply spotlight and a light supply probe, and the light supply spotlight is used for providing a preset convergence light source and outputting the convergence light source from the light supply probe through a first light path preset in the light supply structure;
the lower light sealing seat is provided with a light collecting structure, the light collecting structure comprises a light collecting probe and a light collecting plate, the light collecting probe is used for receiving a light source and sending the light source to the light collecting plate through a third light path preset in the light collecting structure, and the light collecting plate outputs light collecting irradiation information according to the distribution of light and the illumination intensity;
when the glasses packaging piece is pressed on the lower light sealing seat, a second light path is formed inside the packaging cavity, the input end of the second light path is formed by matching the light supply probe and the upper alignment structure, and the output end of the second light path is formed by matching the light collecting probe and the lower alignment structure;
the method comprises the following specific steps:
a feeding step, wherein the glasses packaging piece enters the optometry structure by controlling a rotary material placing table to work;
a positioning step, wherein the upper light sealing part is driven to act through the light sealing driving part so as to tightly press the glasses packaging part to the lower light sealing seat;
a light supply step, wherein the light supply spotlight is controlled to work;
a light collecting step, wherein the light collecting plate is controlled to work to form light collecting irradiation information;
and a light decoding step, wherein corresponding lens characteristic information is generated according to the light collecting irradiation information.
9. A method for screening contact lenses according to claim 8, wherein: the positioning step further comprises a rest first preset time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811077777.2A CN109342024B (en) | 2018-09-16 | 2018-09-16 | Contact lens screening equipment and screening method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811077777.2A CN109342024B (en) | 2018-09-16 | 2018-09-16 | Contact lens screening equipment and screening method thereof |
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| CN109342024A CN109342024A (en) | 2019-02-15 |
| CN109342024B true CN109342024B (en) | 2020-10-27 |
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| CN201811077777.2A Active CN109342024B (en) | 2018-09-16 | 2018-09-16 | Contact lens screening equipment and screening method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20120133958A1 (en) * | 2010-11-30 | 2012-05-31 | Widman Michael F | Laser confocal sensor metrology system |
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| CN1090042A (en) * | 1992-12-21 | 1994-07-27 | 庄臣及庄臣视力产品有限公司 | The illuminator that is used for ophthalmic lens inspection |
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| EP2131174A2 (en) * | 2008-06-05 | 2009-12-09 | CooperVision International Holding Company, LP | Multi-imaging automated inspection methods and systems for wet ophtalmic lenses |
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| Publication number | Publication date |
|---|---|
| CN109342024A (en) | 2019-02-15 |
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