CN220961297U - Liquid microscope for detecting intraocular lens and contact lens - Google Patents
Liquid microscope for detecting intraocular lens and contact lens Download PDFInfo
- Publication number
- CN220961297U CN220961297U CN202322174238.3U CN202322174238U CN220961297U CN 220961297 U CN220961297 U CN 220961297U CN 202322174238 U CN202322174238 U CN 202322174238U CN 220961297 U CN220961297 U CN 220961297U
- Authority
- CN
- China
- Prior art keywords
- lens
- microscope
- contact lens
- light
- light source
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 35
- 239000011521 glass Substances 0.000 claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000003384 imaging method Methods 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims description 13
- 238000007689 inspection Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 5
- 230000003287 optical effect Effects 0.000 description 10
- 230000005693 optoelectronics Effects 0.000 description 4
- 239000003814 drug Substances 0.000 description 3
- 208000029091 Refraction disease Diseases 0.000 description 2
- 230000004430 ametropia Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000014733 refractive error Diseases 0.000 description 2
- 208000002177 Cataract Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
Landscapes
- Prostheses (AREA)
Abstract
The utility model discloses a liquid microscope for detecting an artificial lens and a contact lens, which comprises a light source, a glass vessel and a microscope objective, wherein light rays emitted by the light source are turned to a collecting lens through a reflector, and are converged by the collecting lens and then reach a sample to be detected in a transparent liquid medium in the glass vessel, so that the sample to be detected is illuminated, the sample to be detected is used as an imaging object of the microscope objective, and is imaged on a light sensitive surface of a photoelectric device through the microscope objective, so that the light rays can be transmitted to a display or a computer through a lead. The liquid microscope for detecting the intraocular lens and the contact lens is provided with the sample which is placed in transparent liquid for detection, so that the sample is well protected from being damaged, and the defects existing in the intraocular lens or the contact lens can be clearly detected.
Description
Technical Field
The utility model relates to the technical field of optical detection, in particular to a liquid microscope for detecting an intraocular lens and a contact lens.
Background
The artificial lens is an optical medicine for treating cataract and ametropia of human eye, and the contact lens is an optical medicine for treating ametropia and pupil beauty of human eye. The quality of the two kinds of optical medicines, especially the defects of pits, bubbles, scratches and the like, must be strictly detected by a corresponding detection instrument. The existing instrument used for such detection work is a common stereo microscope. Because intraocular lenses are relatively small and the optical surfaces are prone to scratching; also, because contact lenses are relatively thin, particularly soft contact lenses, these features require that the sample being tested not be held or stressed. Therefore, there is a need to design a new microscope for intraocular lens and contact lens inspection.
Disclosure of utility model
The utility model aims to provide a liquid microscope for detecting an intraocular lens and a contact lens, which solves the problems in the prior art, and the liquid microscope is used for arranging a sample in transparent liquid for detection, so that the sample is well protected from being damaged, and the defects in the intraocular lens or the contact lens can be clearly detected.
In order to achieve the above object, the present utility model provides the following solutions: the utility model provides a liquid microscope for intraocular lens and contact lens detection, comprising
The light source is provided with a reflector at the light outlet end, and the reflector is used for reflecting the light of the light source to the condenser; and
A glass vessel, wherein the intraocular lens or the contact lens to be detected is placed in the glass vessel which contains transparent liquid medium, and the condensing lens is used for condensing light and illuminating the intraocular lens or the contact lens to be detected; and
The microscopic objective is arranged on the other side of the glass vessel, the intraocular lens or the contact lens to be detected is an imaging object of the microscopic objective, the imaging object is imaged on a light sensitive surface of a photoelectric device through the microscopic objective, and the photoelectric device is connected with a display or a computer through a wire.
Preferably, the light source is an LED light source.
Preferably, the LED lamp further comprises a base, wherein the light source and the reflector are both installed in the base, and an opening is formed in the top of the reflector on the base.
Preferably, a condensing lens barrel is arranged at the top opening of the base, the condensing lens is assembled at the bottom of the condensing lens barrel, a first protective glass is arranged at the top of the condensing lens barrel, and the first protective glass is used for sealing the top of the condensing lens barrel.
Preferably, the glass is mounted on top of the condenser tube.
Preferably, the collecting lens adopts two-lens collecting lenses, wherein one lens is a plano-convex lens, and the other lens is a biconvex lens; the two lenses are assembled in the condenser tube in sequence from bottom to top.
Preferably, the microscope objective is arranged in an objective lens barrel, the objective lens barrel is arranged on a support arm, a stand column is integrally arranged on one side of the top of the base, and the side surface of the support arm is in transmission connection with a gear assembled in a groove of the stand column through a rack; the gear shaft of the gear extends out of the outer wall of the upright post, and the lifting hand wheel is assembled at the outer end part of the gear shaft.
Preferably, the microscope objective is a lister microscope objective.
Compared with the prior art, the utility model has the following beneficial technical effects:
The liquid microscope for detecting artificial lens and contact lens includes light source, glass and microscope objective, and the light emitted from the light source is turned to the light collecting mirror via the light collecting mirror to converge and reach the sample to be detected in the transparent liquid medium inside the glass, so that the sample to be detected is illuminated, the sample to be detected is used as the imaging object of the microscope objective and imaged onto the photosensitive surface of the optoelectronic device via the microscope objective to be transmitted via the wire to the display or computer. The liquid microscope for detecting the intraocular lens and the contact lens is provided with the sample which is placed in transparent liquid for detection, so that the sample is well protected from being damaged, and the defects existing in the intraocular lens or the contact lens can be clearly detected.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of a liquid microscope for intraocular lens and contact lens inspection;
FIG. 2 is a schematic view of the structure of a condenser;
FIG. 3 is a schematic structural view of a microscope objective;
1, an LED lamp; 2. a reflective mirror; 3. a condenser; 4. a first protective glass; 5. a sample to be tested; 6. a transparent liquid medium; 7. a glass vessel; 8. protective glass II; 9. a microobjective; 10. an optoelectronic device; 11. a wire; 12. a computer; 101 a base; 102. a condenser tube; 103. an object lens barrel; 104. a support arm; 105. a rack; 106. a gear shaft; 107. a gear; 108. lifting hand wheels; 109. and (5) a column.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims to provide a liquid microscope for detecting an intraocular lens and a contact lens, which solves the problems in the prior art, and the liquid microscope is used for arranging a sample in transparent liquid for detection, so that the sample is well protected from being damaged, and the defects in the intraocular lens or the contact lens can be clearly detected.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1-3, the present utility model provides a liquid microscope for intraocular lens and contact lens detection, and the optical system of this embodiment is composed of, in order, an LED lamp 1, a reflector 2, a condenser 3, a first protective glass 4, a sample 5, a transparent liquid medium 6, a glass vessel 7, a second protective glass 8, a microscope objective 9, and an optoelectronic device 10.
Specifically, a reflector 2 is arranged at the light outlet end of the light source, and the reflector 2 is used for reflecting the light of the light source to the condenser 3; the intraocular lens or the contact lens to be detected is placed in a glass vessel 7 containing a transparent liquid medium 6, and a condensing lens 3 is used for condensing light and illuminating the intraocular lens or the contact lens to be detected; the other side of the glass vessel 7 is provided with a microscope objective 9, the intraocular lens or the contact lens to be detected is an imaging object of the microscope objective 9, the imaging object is imaged on a photosurface of a photoelectric device 10 through the microscope objective 9, and the photoelectric device 10 is connected with a display or a computer 12 through a lead 11.
In one embodiment, the light source is an LED light source.
In one embodiment, the light source and the reflector 2 are both arranged in the base 101, and an opening is arranged on the top of the reflector 2 on the base 101; the top opening of the base 101 is provided with a condensing lens barrel 102, the condensing lens 3 is assembled at the bottom of the condensing lens barrel 102, the top of the condensing lens barrel 102 is provided with a first protective glass 4, and the first protective glass 4 is used for sealing the top of the condensing lens barrel 102.
In one embodiment, the glass 7 is mounted on top of the condenser tube 102.
In one embodiment, the condenser lens 3 is a two-sheet condenser lens, one of which is a plano-convex lens 31 and the other of which is a biconvex lens 32; the two lenses are assembled in the condenser tube 102 in sequence from bottom to top; the condensing lens 3 has a simple structure, the condensing angle can reach 35 degrees, and the condensing lens is a common structure in optical instruments.
In one embodiment, the micro objective 9 is arranged in the objective tube 103, the bottom of the objective tube is provided with the second protective glass 8, the objective tube 103 is arranged on the support arm 104, one side of the top of the base 101 is integrally provided with the upright post 109, and the side of the support arm 104 is in transmission connection with the gear 107 assembled in the groove of the upright post 109 through the rack 105; the gear shaft 106 of the gear 107 extends out of the outer wall of the upright 109, and the lifting hand wheel 108 is assembled at the outer end of the gear shaft 106.
In order to ensure stable lifting of the support arm 104 relative to the upright post 109, two sliding blocks are symmetrically arranged on two sides of the rack 105 on the side face of the support arm 104, two sliding grooves are formed in positions, corresponding to the sliding blocks, on two sides of the gear 107 on the side face of the upright post 109, and the lifting hand wheel 108 is rotated to enable the gear 107 to drive the rack 105 to move, and meanwhile the sliding blocks can slide along the sliding grooves to play an auxiliary role. The upper part of the upright post 109, which is positioned at the bottom of the support arm 104, can be provided with a limiting step, so as to limit the lifting of the support arm 104.
In one embodiment, the microscope objective 9 is a lister microscope objective, which consists of two groups of doublets, namely a doublet 91 and a doublet 92. The List microscope objective has a good on-axis aberration correction effect, and is a typical microscope objective.
The working principle of a liquid microscope for intraocular lens and contact lens detection is as follows:
The LED lamp 1 is a light source, light emitted by the LED lamp passes through the reflector 2, turns 90 degrees to the condenser 3, and after the light is converged by the condenser 3, the light passes through the first protective glass 4, the bottom surface of the glass vessel 7 and the transparent liquid medium 6 to reach the sample 5, so that the sample 5 is illuminated, the sample 5 serves as an imaging object of the microscope objective 9, is imaged on a light sensing surface of the photoelectric device 10 through the second protective glass 8 and passes through the microscope objective 9, and can be transmitted to the display or the computer 12 through the lead 11. Of course, the computer can further analyze and process the image through software.
The optical path of the present utility model may be arranged as described above, or may be arranged upside down, i.e. the light source is arranged in an upper position and the optoelectronic device 10 is arranged in a lower position. The optical path of the device can be arranged in the right direction or inverted direction as in the common microscope instrument. Of course, its mechanical structure will change in response to the change in the optical path.
It should be noted that it will be apparent to those skilled in the art that the present utility model is not limited to the details of the above-described exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (8)
1. A liquid microscope for intraocular lens and contact lens detection, characterized by: the light source comprises a light source, wherein a reflector is arranged at the light outlet end of the light source, and the reflector is used for reflecting light rays of the light source to a condenser; and
A glass vessel, wherein the intraocular lens or the contact lens to be detected is placed in the glass vessel which contains transparent liquid medium, and the condensing lens is used for condensing light and illuminating the intraocular lens or the contact lens to be detected; and
The microscopic objective is arranged on the other side of the glass vessel, the intraocular lens or the contact lens to be detected is an imaging object of the microscopic objective, the imaging object is imaged on a light sensitive surface of a photoelectric device through the microscopic objective, and the photoelectric device is connected with a display or a computer through a wire.
2. The liquid microscope for intraocular lens and contact lens inspection according to claim 1, wherein: the light source adopts an LED light source.
3. The liquid microscope for intraocular lens and contact lens inspection according to claim 1, wherein: the LED lamp further comprises a base, wherein the light source and the reflector are both installed in the base, and an opening is formed in the top of the reflector on the base.
4. A liquid microscope for intraocular lens and contact lens inspection according to claim 3, wherein: the light-gathering lens is assembled at the bottom of the light-gathering lens barrel, a first protective glass is arranged at the top of the light-gathering lens barrel, and the first protective glass is used for sealing the top of the light-gathering lens barrel.
5. The liquid microscope for intraocular lens and contact lens inspection according to claim 4, wherein: the glassware is mounted on top of the condenser tube.
6. The liquid microscope for intraocular lens and contact lens inspection according to claim 1, wherein: the condensing lens adopts two condensing lenses, wherein one of the condensing lenses is a plano-convex lens, and the other condensing lens is a biconvex lens; the two lenses are assembled in the condenser tube in sequence from bottom to top.
7. A liquid microscope for intraocular lens and contact lens inspection according to claim 3, wherein: the microscope objective is arranged in the objective lens barrel, the objective lens barrel is arranged on the support arm, a stand column is integrally arranged on one side of the top of the base, and the side surface of the support arm is in transmission connection with a gear assembled in a groove of the stand column through a rack; the gear shaft of the gear extends out of the outer wall of the upright post, and the lifting hand wheel is assembled at the outer end part of the gear shaft.
8. The liquid microscope for intraocular lens and contact lens inspection according to claim 1, wherein: the microobjective adopts a List microobjective.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322174238.3U CN220961297U (en) | 2023-08-14 | 2023-08-14 | Liquid microscope for detecting intraocular lens and contact lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322174238.3U CN220961297U (en) | 2023-08-14 | 2023-08-14 | Liquid microscope for detecting intraocular lens and contact lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220961297U true CN220961297U (en) | 2024-05-14 |
Family
ID=91006712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322174238.3U Active CN220961297U (en) | 2023-08-14 | 2023-08-14 | Liquid microscope for detecting intraocular lens and contact lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220961297U (en) |
-
2023
- 2023-08-14 CN CN202322174238.3U patent/CN220961297U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20010035949A1 (en) | Inspection system for optical components | |
| CN104398236B (en) | A kind of Large visual angle fundus imaging device | |
| CN220961297U (en) | Liquid microscope for detecting intraocular lens and contact lens | |
| CN107270832A (en) | A kind of HUD non-spherical reflectors face type detection light path and detection method | |
| JP2015017973A (en) | Model eye module, and intraocular lens inspection device and intraocular lens inspection method using the same | |
| CN204445823U (en) | Large visual angle fundus imaging device | |
| CN103389311A (en) | Line scanning phase differential imaging device for optical element phase defect detection | |
| CN1900673A (en) | Detector for glasses lens optic quality | |
| CN104238110B (en) | A kind of pre-compensation system of collimator tube wave front aberration based on adaptive optics | |
| CN208126029U (en) | A kind of OCT optics 4f beam-expanding system based on gradual index lens | |
| CN202442950U (en) | Product quality detecting device for machine vision | |
| CN214012316U (en) | Optical demonstration instrument | |
| CN210005784U (en) | digital pathological imaging equipment | |
| CN207473197U (en) | A kind of convex lens refractor | |
| CN210155433U (en) | Optical system for high-precision optical centering based on auto-collimation method | |
| CN213069322U (en) | Portable ball lens microscope | |
| CN202024659U (en) | Image rotating system of sighting mirror for gun | |
| CN215811549U (en) | Optical lens detection device | |
| CN110737081A (en) | -angle double telecentric zoom lens system for lens defect detection | |
| CN202793747U (en) | Lens reflection imaging detector | |
| RU207250U1 (en) | PORTABLE MICROSCOPE | |
| Fowler et al. | Varifocal spectacle lens surface power measurement | |
| CN105785560B (en) | Dark field microscope for cell culture on-line observation | |
| CN214270827U (en) | Biological cell structure analysis device | |
| CN211826756U (en) | Digital internal focusing centering instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |