CN113031241A - Objective optical system - Google Patents
Objective optical system Download PDFInfo
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- CN113031241A CN113031241A CN202110438368.6A CN202110438368A CN113031241A CN 113031241 A CN113031241 A CN 113031241A CN 202110438368 A CN202110438368 A CN 202110438368A CN 113031241 A CN113031241 A CN 113031241A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 238000005286 illumination Methods 0.000 claims abstract description 6
- 238000003384 imaging method Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 239000006059 cover glass Substances 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/02—Objectives
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/24—Base structure
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/24—Base structure
- G02B21/26—Stages; Adjusting means therefor
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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Microscoopes, Condenser (AREA)
Abstract
The invention discloses an objective optical system, which has the technical scheme key points that: including the base that is used for installing the microscope body, fixed mounting has the mounting panel of two symmetries, two on the upper surface of base the mounting panel all is equipped with first mounting groove, install first moving mechanism in the first mounting groove, install the backup pad on the first moving mechanism, fixed mounting has the regulation seat in the backup pad, be provided with the second mounting groove on the upper surface of regulation seat, be provided with slewing mechanism in the second mounting groove, microscope body fixed mounting is in slewing mechanism is last, the microscope body is including rotating seat, microscope arm, lens cone, electron eyepiece, objective and year thing bracket, is favorable to adjusting the whole height of microscope body, and when making things convenient for operating personnel, the horizontal turned angle of adjusting the microscope body conveniently adjusts according to the illumination intensity of difference.
Description
Technical Field
The invention relates to the field of optical systems, in particular to an objective optical system.
Background
An optical system (optical system) is a system in which a plurality of optical elements such as a lens, a mirror, a prism, and a diaphragm are combined in a certain order. Are commonly used for imaging or optical information processing. The optical system composed of two or more refracting (or reflecting) spherical surfaces with the centers of curvature on the same straight line is called as a coaxial spherical system, and the straight line with the center of curvature is called as an optical axis.
For example, chinese patent No. CN102640031A discloses an imaging optical system capable of arranging left and right optical systems in parallel while retaining the advantages of an oblique-type stereoscopic microscope device in which optical paths for the right eye and the left eye are completely independent, and a microscope device using the imaging optical system. The imaging optical systems (10R, 10L) are configured to have variable magnification optical systems (11R, 11L) composed of a plurality of lens groups, and to image an image of an object (O) arranged at a position deviated from the optical axes of the variable magnification optical systems (11R, 11L) onto the optical axes and to be capable of varying the magnification, wherein a plurality of lens groups are provided, at least one of the lens groups is arranged so that the center thereof is separated from the optical axes by a predetermined amount in the orthogonal direction, and in at least a part of a section where the magnification is varied from the high magnification end state to the low magnification end state, the 2 nd lens group (G2) of the variable magnification optical systems (11R, 11L) is moved so as to have a component in the orthogonal direction to the reference optical axis (A).
The microscope device of the optical system has the advantages that the left and right optical systems can be arranged in parallel; however, the microscope device with such an optical system still has some disadvantages, such as: the height, the rotation angle and the object focusing position of the microscope are inconvenient to adjust, and the using effect is poor.
Disclosure of Invention
It is an object of the present invention to provide an objective optical system that solves the problems set forth in the background art described above.
In order to achieve the purpose, the invention provides the following technical scheme:
an objective optical system comprises a base for mounting a microscope body, wherein two symmetrical mounting plates are fixedly mounted on the upper surface of the base, the two mounting plates are respectively provided with a first mounting groove, a first moving mechanism is mounted in the first mounting groove, a supporting plate is mounted on the first moving mechanism, an adjusting seat is fixedly mounted on the supporting plate, a second mounting groove is formed in the upper surface of the adjusting seat, a rotating mechanism is arranged in the second mounting groove, the microscope body is fixedly mounted on the rotating mechanism, the microscope body comprises a rotating seat, a lens arm, a lens barrel, an electronic eyepiece, an objective and a carrying bracket, the rotating seat is fixedly mounted on the rotating mechanism, the lens arm is hinged on the rotating seat, one end of the lens arm is hinged with the lens barrel, and the lens barrel is detachably mounted at the upper end of the lens barrel, the objective lens is detachably mounted at the lower end of the lens barrel, the object carrying bracket is mounted on the lens arm, a second moving mechanism is arranged on the object carrying bracket, and an object stage is mounted on the second moving mechanism.
Preferably, the first moving mechanism comprises a screw rod, a guide rod, a first servo motor and a moving sliding block, the screw rod is rotatably installed in the first installation groove through a bearing, the guide rod is fixed in the first installation groove, the first servo motor is in transmission connection with the screw rod through a gear, the first servo motor is fixedly installed on the installation plate, the moving sliding block is in threaded connection with the screw rod, and the moving sliding block is in sliding connection with the guide rod.
Preferably, a guide groove is formed in the movable sliding block, a guide block is arranged on the supporting plate, and the guide block is installed in the guide groove.
Preferably, slewing mechanism includes second servo motor and rotation platform, second servo motor fixed mounting be in adjust the seat, rotation platform's one end is passed through the bearing and is rotated and install on the bottom surface of second mounting groove, second servo motor's output pass through the shaft coupling with rotation platform's input transmission is connected.
Preferably, a first hinge groove is formed in the rotating seat, the lower end of the mirror arm is installed in the first hinge groove, and the rotating seat is connected with the mirror arm through a first knob screw.
Preferably, the upper end of the mirror arm is provided with a second hinge groove, the lens barrel is connected with a hinge block, and the hinge block is connected with the mirror arm through a second knob screw.
Preferably, the carrying bracket is provided with a sliding chute, and the carrying bracket is provided with a limiting plate.
Preferably, the second moving mechanism comprises a sliding support and a servo electric cylinder, the sliding support is installed in the sliding groove, one end of the sliding support is fixedly connected with the lower surface of the object stage, the servo electric cylinder is installed on the limiting plate, and the output end of the servo electric cylinder is fixedly connected with the sliding support.
Preferably, when the resolution is adjusted, the microscope body expresses the relationship among the numerical aperture, the wavelength and the resolution through an algorithm formula:
resolution (r) ═ lambda/(2 NA)
Resolution (r) 0.61 lambda/NA
Resolution (r) ═ 1.22 λ/(na (obj) + na (cond));
where r is the resolution (minimum resolvable distance between two objects), NA is the collective term for the numerical aperture of the microscope, λ is the imaging wavelength, NA (obj) is equal to the objective numerical aperture, and NA (cond) is the condenser numerical aperture.
Preferably, the depth of field and the depth of focus between the lens barrel, the electronic eyepiece and the objective lens are adjusted by a calculation formula:
wherein d istotRepresenting the depth of field, λ is the wavelength of the illumination light, n is the refractive index of the medium between the cover glass and the objective front lens, NA is equal to the numerical aperture of the objective, M is the total magnification, and e is the minimum distance resolvable.
Compared with the prior art, the invention has the beneficial effects that:
among this objective optical system, the first moving mechanism that is equipped with is favorable to adjusting the whole height of microscope body, and in the time of making things convenient for operating personnel, the slewing mechanism that is equipped with conveniently adjusts the horizontal turned angle of microscope body, conveniently adjusts according to the illumination intensity of difference, and the electron eyepiece of microscope body installation can conveniently be applied to in any standard biological microscope, stereomicroscope and the telescope lens cone. Thereby brought very big swift and convenient for observation, teaching, scientific research, the second moving mechanism of carrying the thing shelf location is favorable to adjusting the horizontal position of objective table, conveniently observes the object and removes, makes things convenient for objective to focus.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a second schematic structural diagram of the present invention;
FIG. 3 is a third schematic structural diagram of the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 3;
fig. 5 is an enlarged view at B in fig. 3.
In the figure: 1. a base; 2. a microscope body; 3. mounting a plate; 4. a first mounting groove; 5. a first moving mechanism; 51. a screw rod; 52. a guide bar; 53. a first servo motor; 54. moving the slide block; 6. a support plate; 7. an adjusting seat; 8. a second mounting groove; 9. a rotating mechanism; 91. a second servo motor; 92. rotating the platform; 10. a rotating seat; 11. a scope arm; 12. a lens barrel; 13. an electronic eyepiece; 14. an objective lens; 15. a carrier bracket; 16. a second moving mechanism; 161. a sliding support; 162. a servo electric cylinder; 17. an object stage; 18. a guide groove; 19. a guide block; 20. a second hinge groove; 21. a hinged block; 22. a first knob screw; 23. a second knob screw; 24. a chute; 25. a limiting plate; 26. a first hinge slot.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides an objective optical system, wherein the technical solution is as follows:
comprises a base 1 for mounting a microscope body 2, two symmetrical mounting plates 3 are fixedly mounted on the upper surface of the base 1, the two mounting plates 3 are respectively provided with a first mounting groove 4, a first moving mechanism 5 is mounted in the first mounting groove 4, a supporting plate 6 is mounted on the first moving mechanism 5, an adjusting seat 7 is fixedly mounted on the supporting plate 6, a second mounting groove 8 is arranged on the upper surface of the adjusting seat 7, a rotating mechanism 9 is arranged in the second mounting groove 8, the microscope body 2 is fixedly mounted on the rotating mechanism 9, the microscope body 2 comprises a rotating seat 10, a lens arm 11, a lens barrel 12, an electronic eyepiece 13, an objective lens 14 and a carrying bracket 15, the rotating seat 10 is fixedly mounted on the rotating mechanism 9, the lens arm 11 is hinged on the rotating seat 10, one end of the lens arm 11 is hinged with the lens barrel 12, the lens barrel 12 is detachably mounted at the upper end of the lens barrel 12, the objective lens 14, carry thing bracket 15 and install on microscope arm 11, be provided with second moving mechanism 16 on carrying thing bracket 15, install objective table 17 on the second moving mechanism 16, the first moving mechanism 5 that is equipped with is favorable to adjusting the whole height of microscope body 2, when making things convenient for operating personnel, the slewing mechanism 9 that is equipped with makes things convenient for the horizontal turned angle of adjustment microscope body 2, the convenience is adjusted according to the illumination intensity of difference, the electron eyepiece 13 of microscope body 2 installation, can conveniently be applied to any standard biological microscope, among stereomicroscope and the telescope tube. Thereby brought very big swift and convenient for observation, teaching, scientific research, the second moving mechanism 16 of installation is favorable to adjusting the horizontal position of objective table 17 on the objective bracket 15, and the object of conveniently observing moves, makes things convenient for objective 14 to focus.
In this embodiment, preferably, the first moving mechanism 5 includes a screw 51, a guide rod 52, a first servo motor 53 and a moving slider 54, the screw 51 is rotatably installed in the first installation groove 4 through a bearing, the guide rod 52 is fixed in the first installation groove 4, the first servo motor 53 is in transmission connection with the screw 51 through a gear, the first servo motor 53 is fixedly installed on the installation plate 3, the moving slider 54 is in threaded connection with the screw 51, the moving slider 54 is in sliding connection with the guide rod 52, the first servo motor 53 drives the screw 51 to rotate through the gear, and simultaneously drives the moving slider 54 to slide on the guide rod 52, thereby facilitating adjustment of the use height of the microscope body 2.
In this embodiment, preferably, the guide groove 18 is formed in the movable slider 54, the guide block 19 is formed in the support plate 6, and the guide block 19 is installed in the guide groove 18, so that the guide groove 18 formed in the movable slider 54 is matched with the guide block 19 formed in the support plate 6, thereby facilitating the installation and detachment of the support plate 6.
In this embodiment, preferably, the rotating mechanism 9 includes a second servo motor 91 and a rotating platform 92, the second servo motor 91 is fixedly installed in the adjusting seat 7, one end of the rotating platform 92 is installed on the bottom surface of the second installation groove 8 through the bearing rotation, the output end of the second servo motor 91 is connected with the input end of the rotating platform 92 through the shaft coupling in a transmission manner, the output end of the second servo motor 91 drives the rotating platform 92 to rotate through the shaft coupling, and the horizontal angle of the microscope body 2 is conveniently adjusted.
In this embodiment, preferably, the rotating base 10 is provided with a first hinge groove 26, the lower end of the mirror arm 11 is installed in the first hinge groove 26, the rotating base 10 is connected with the mirror arm 11 through a first knob screw 22, and the rotating base 10 is hinged to the mirror arm 11, so that the mirror arm 11 can be conveniently adjusted, and is locked through the first knob screw 22 to prevent loosening.
In this embodiment, preferably, the upper end of the mirror arm 11 is provided with a second hinge groove 20, the lens barrel 12 is connected with a hinge block 21, the hinge block 21 is connected with the mirror arm 11 through a second knob screw 23, and the second hinge groove 20 and the hinge block 21 are matched with each other, so that the observation angle of the lens barrel 12 can be conveniently adjusted, and the observation efficiency can be improved.
In this embodiment, preferably, sliding groove 24 is disposed on object carrier 15, limiting plate 25 is disposed on object carrier 15, sliding groove 24 is disposed to facilitate movement of object stage 17, and limiting plate 25 is disposed to facilitate limiting of the movement distance of object stage 17.
In this embodiment, preferably, the second moving mechanism 16 includes a sliding support 161 and a servo electric cylinder 162, the sliding support 161 is installed in the sliding chute 24, one end of the sliding support 161 is fixedly connected with the lower surface of the stage 17, the servo electric cylinder 162 is installed on the limiting plate 25, the output end of the servo electric cylinder 162 is fixedly connected with the sliding support 161, and when the telescopic length of the output end of the servo electric cylinder 162 is adjusted, the stage 17 is conveniently driven to move.
In this embodiment, preferably, when the resolution is adjusted, the microscope body 2 expresses the relationship among the numerical aperture, the wavelength, and the resolution by an algorithm formula:
resolution (r) ═ lambda/(2 NA)
Resolution (r) 0.61 lambda/NA
Resolution (r) ═ 1.22 λ/(na (obj) + na (cond));
where r is the resolution (minimum resolvable distance between two objects), NA is the collective term for the numerical aperture of the microscope, λ is the imaging wavelength, NA (obj) is equal to the objective numerical aperture, and NA (cond) is the condenser numerical aperture.
In this embodiment, it is preferable that the depth of field and the depth of focus calculation formula are adjusted among the lens barrel 12, the electronic eyepiece 13, and the objective lens 14:
wherein d istotRepresenting the depth of field, λ is the wavelength of the illumination light, n is the refractive index of the medium between the cover glass and the front lens of the objective lens 14, NA is equal to the numerical aperture of the objective lens 14, M is the total magnification, and e is the minimum distance resolvable.
The working principle and the using process of the invention are as follows:
when the objective optical system is used, the first servo motor 53 is started, the first servo motor 53 drives the screw rod 51 to rotate through the gear, and simultaneously drives the movable sliding block 54 to slide on the guide rod 52, so that the use height of the microscope body 2 is conveniently adjusted, the second servo motor 91 is started, the output end of the second servo motor 91 drives the rotating platform 92 to rotate through the coupler, so that the horizontal angle of the microscope body 2 is conveniently adjusted, the rotating seat 10 is hinged with the microscope arm 11, so that the adjustment of the microscope arm 11 is convenient, the locking is performed through the first knob screw 22, the looseness is prevented, the second hinge groove 20 is matched with the hinge block 21, so that the observation angle of the lens barrel 12 is conveniently adjusted, the observation efficiency is improved, the servo electric cylinder 162 is started, when the telescopic length of the output end of the servo electric cylinder 162 is adjusted, the objective table 17 is conveniently driven to move, and an object convenient, facilitating focusing of the objective lens 14.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An objective optical system comprising a mount (1) for mounting a microscope body (2), characterized in that: the microscope comprises a base (1), wherein two symmetrical mounting plates (3) are fixedly mounted on the upper surface of the base (1), the two mounting plates (3) are respectively provided with a first mounting groove (4), a first moving mechanism (5) is mounted in the first mounting groove (4), a supporting plate (6) is mounted on the first moving mechanism (5), an adjusting seat (7) is fixedly mounted on the supporting plate (6), a second mounting groove (8) is formed in the upper surface of the adjusting seat (7), a rotating mechanism (9) is arranged in the second mounting groove (8), a microscope body (2) is fixedly mounted on the rotating mechanism (9), the microscope body (2) comprises a rotating seat (10), a microscope arm (11), a lens cone (12), an electronic eyepiece (13), an objective (14) and a carrying bracket (15), the rotating seat (10) is fixedly mounted on the rotating mechanism (9), the microscope arm (11) is hinged to the rotating seat (10), one end of the microscope arm (11) is hinged to the lens barrel (12), the lens barrel (12) is detachably mounted at the upper end of the lens barrel (12), the objective lens (14) is detachably mounted at the lower end of the lens barrel (12), the object carrying bracket (15) is mounted on the microscope arm (11), a second moving mechanism (16) is arranged on the object carrying bracket (15), and an object carrying table (17) is mounted on the second moving mechanism (16).
2. An objective optical system according to claim 1, characterized in that: first moving mechanism (5) include lead screw (51), guide arm (52), first servo motor (53) and remove slider (54), lead screw (51) are installed through the bearing rotation in first mounting groove (4), guide arm (52) are fixed in first mounting groove (4), first servo motor (53) through the gear with lead screw (51) transmission is connected, first servo motor (53) fixed mounting be in on mounting panel (3), remove slider (54) with lead screw (51) threaded connection, remove slider (54) with guide arm (52) sliding connection.
3. An objective optical system according to claim 2, characterized in that: the movable sliding block (54) is provided with a guide groove (18), the supporting plate (6) is provided with a guide block (19), and the guide block (19) is installed in the guide groove (18).
4. An objective optical system according to claim 1, characterized in that: slewing mechanism (9) include second servo motor (91) and rotary platform (92), second servo motor (91) fixed mounting be in adjust in seat (7), the one end of rotary platform (92) is passed through the bearing and is rotated and install on the bottom surface of second mounting groove (8), the output of second servo motor (91) pass through the shaft coupling with the input transmission of rotary platform (92) is connected.
5. An objective optical system according to claim 1, characterized in that: the rotating seat (10) is provided with a first hinge groove (26), the lower end of the mirror arm (11) is installed in the first hinge groove (26), and the rotating seat (10) is connected with the mirror arm (11) through a first knob screw (22).
6. An objective optical system according to claim 1, characterized in that: the upper end of the mirror arm (11) is provided with a second hinge groove (20), the lens barrel (12) is connected with a hinge block (21), and the hinge block (21) is connected with the mirror arm (11) through a second knob screw (23).
7. An objective optical system according to claim 1, characterized in that: the carrying bracket (15) is provided with a sliding chute (24), and the carrying bracket (15) is provided with a limiting plate (25).
8. An objective optical system according to claim 7, characterized in that: second moving mechanism (16) include sliding support (161) and servo electric cylinder (162), sliding support (161) are installed in spout (24), the one end of sliding support (161) with the lower surface fixed connection of objective table (17), servo electric cylinder (162) are installed on limiting plate (25), the output of servo electric cylinder (162) with sliding support (161) fixed connection.
9. An objective optical system according to claim 1, characterized in that: when the resolution is adjusted, the microscope body (2) expresses the relationship among the numerical aperture, the wavelength and the resolution through an algorithm formula:
resolution (r) ═ lambda/(2 NA)
Resolution (r) 0.61 lambda/NA
Resolution (r) ═ 1.22 λ/(na (obj) + na (cond));
where r is the resolution (minimum resolvable distance between two objects), NA is the collective term for the numerical aperture of the microscope, λ is the imaging wavelength, NA (obj) is equal to the objective numerical aperture, and NA (cond) is the condenser numerical aperture.
10. An objective optical system according to claim 1, characterized in that: the depth of field and the depth of focus are adjusted among the lens barrel (12), the electronic eyepiece (13) and the objective lens (14) according to a calculation formula:
wherein d istotRepresenting the depth of field, λ is the wavelength of the illumination light, n is the refractive index of the medium between the cover glass and the front lens of the objective lens (14), NA is equal to the numerical aperture of the objective lens (14), M is the total magnification, and e is the minimum distance resolvable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110438368.6A CN113031241A (en) | 2021-04-22 | 2021-04-22 | Objective optical system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110438368.6A CN113031241A (en) | 2021-04-22 | 2021-04-22 | Objective optical system |
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| Publication Number | Publication Date |
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| CN113031241A true CN113031241A (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110438368.6A Pending CN113031241A (en) | 2021-04-22 | 2021-04-22 | Objective optical system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719729A (en) * | 2021-08-31 | 2021-11-30 | 上海泪雨网络科技有限公司 | Equipment supporting platform for large-scale game development |
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2021
- 2021-04-22 CN CN202110438368.6A patent/CN113031241A/en active Pending
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Cited By (1)
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