CN107884921A - The microscopical eyepiece aided observing device of physics teaching - Google Patents
The microscopical eyepiece aided observing device of physics teaching Download PDFInfo
- Publication number
- CN107884921A CN107884921A CN201711446170.2A CN201711446170A CN107884921A CN 107884921 A CN107884921 A CN 107884921A CN 201711446170 A CN201711446170 A CN 201711446170A CN 107884921 A CN107884921 A CN 107884921A
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- lens
- cylinder
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- sleeve
- imaging sensor
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- 238000003384 imaging method Methods 0.000 claims abstract description 20
- 238000006073 displacement reaction Methods 0.000 claims abstract description 4
- 230000003287 optical effect Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 238000009987 spinning Methods 0.000 claims description 4
- 230000005499 meniscus Effects 0.000 claims description 3
- 238000009738 saturating Methods 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/36—Microscopes arranged for photographic purposes or projection purposes or digital imaging or video purposes including associated control and data processing arrangements
- G02B21/361—Optical details, e.g. image relay to the camera or image sensor
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/36—Microscopes arranged for photographic purposes or projection purposes or digital imaging or video purposes including associated control and data processing arrangements
- G02B21/362—Mechanical details, e.g. mountings for the camera or image sensor, housings
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/22—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for optics
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Multimedia (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Computational Mathematics (AREA)
- Algebra (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Lenses (AREA)
Abstract
The microscopical eyepiece aided observing device of physics teaching, including hollow and open upper and lower ends cylinder, it is arranged on the display of cylinder upper end, the imaging sensor being arranged in cylinder, is arranged in cylinder and is enough the lens subassembly for realizing axial displacement, display is connected with imaging sensor by data wire, imaging sensor and lens subassembly are from the close-by examples to those far off mutually remote with display successively, and lens subassembly includes some lens for facing and being spaced successively each other with imaging sensor.It neither changes the structure of original instrument and regulating step, and easily observation experiment phenomenon, convenient teaching use and can.
Description
Technical field
The present invention relates to physics teaching with microscopical eyepiece aided observing device.
Background technology
Traditional microscope, telescope, spectrometer need to be observed with eyepiece when in use.In teaching process, pass
Following defect be present in the eyepiece of system：
1st, an eye observation can only be used, eyes are in the state of " eye is opened, and an eye closes " for a long time, easily fatigue
It is sour and astringent；
2nd, field range is smaller, is not easy observation experiment phenomenon.
3rd, the inspection and comment of teacher when experimental phenomena can only be observed by the people of experimenter one, be inconvenient to give lessons.
A kind of electronic eyepiece on the market be present now, be to receive image using ccd sensor and shown by electronic curtain
Image.Although this device facilitates observation experiment phenomenon, but for teaching process, there is following two drawbacks：
1st, using, it is necessary to the eyepiece of instrument is removed, thus changing the basic structure of laboratory apparatus during electronic eyepiece.
And remove, the process changed can accelerate the loss of eyepiece.In addition, for some instruments, such as spectrometer, eyepiece can not be independent
Remove.
When the 2nd, using electronic eyepiece, it is not necessary to focus manually, this link of the regulation of eyepiece will lack.Imparting knowledge to students
In, the construction of instrument, principle, application method are all the important contents of teaching, student do not know about the construction of eyepiece, application target and
Method, whole education activities are incomplete.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of microscopical eyepiece aided observing device of physics teaching,
It neither changes the structure of original instrument and regulating step, and can easily observation experiment phenomenon.
In order to solve the above technical problems, the invention provides physics teaching microscopical eyepiece aided observing device, bag
Hollow and open upper and lower ends cylinder is included, the display of cylinder upper end, the imaging sensor being arranged in cylinder is arranged on, sets
The lens subassembly for realizing axial displacement is put in cylinder and is enough, display is connected with imaging sensor by data wire, image
Sensor and lens subassembly are from the close-by examples to those far off mutually remote with display successively, and lens subassembly is including some phases with imaging sensor just
Pair and the lens that are spaced successively each other.
For the sake of simple declaration problem, physics teaching of the present invention is filled with microscopical eyepiece supplementary observation below
Put, the referred to as present apparatus.
The application method of the present apparatus is, during experiment, after observation instrument regulates, first the present apparatus is enclosed on eyepiece, led to
The readability for the image crossed in display, lens position is adjusted, image is reached most clearly effect.
The advantages of present apparatus, one, liberation eyes, eyes do not have to for a long time stare at microscope ocular；2nd, visual field model is expanded
Enclose, more intuitively observation experiment phenomenon.3rd, experimental teaching is facilitated.4th, do not change original laboratory apparatus, do not simplify experiment yet
Regulating step, the requirement of student experimenting will not be reduced.
To reach the more preferable using effect of the present apparatus, its preferred scheme is as follows：
As preferable, the cylinder includes mounting cylinder, connecting cylinder, the sleeve to connect successively up and down, mounting cylinder, connection
Cylinder, the cross sectional shape of sleeve are circle；
The upper and lower ends of mounting cylinder are open and upper end is provided with first annular circumferentially extended；
The upper end of connecting cylinder is open, lower end closure, and lower end closure is being in circumferentially interior receipts state, the lower end center of connecting cylinder
Region is provided with the internal thread for mounted lens component, and the lower end outer wall of connecting cylinder is provided with the external screw thread for branch sleeve；
The upper and lower ends of sleeve are open, and the upper end in sleeve is provided with the interior spiral shell being adapted with the lower end external screw thread of connecting cylinder
Line, circumferentially uniform at least three tapped through hole in bottom of sleeve, the axis co-planar of above-mentioned tapped through hole, the axle of each tapped through hole
Line extended line intersects vertically with the axis of sleeve, and each tapped through hole inward turning fills holding screw；
Mounting cylinder is inserted in connecting cylinder from top to down, and first annular contacts with connecting cylinder, the lower end of mounting cylinder and company
Gap is left between the lower end closure of connect cylinder, is spun inside and outside the lower end of connecting cylinder and the upper end of sleeve；
If lens subassembly also includes being used for the lens barrel for installing that dry lens, upper and lower ends are open, circular, outside the top of lens barrel
Wall is provided with the external screw thread being adapted with the internal thread of connecting cylinder；
Display is located at the top of first annular, and imaging sensor, data wire are located in mounting cylinder, and lens barrel spinning is even
The lower end central area of connect cylinder, lower end closure, lens barrel, the specification of sleeve of connecting cylinder, it is sufficient to so that lens barrel is in sleeve
It is interior.
Cylinder is divided into three mounting cylinder, connecting cylinder, sleeve parts, and three parts are dismountable active connection, this
Sample conveniently can be focused and use, and first annular is played spacing effect, ensure on the downside of mounting cylinder not with side joint under connecting cylinder
Touch.
Ccd sensor or cmos sensor are used as preferable, described imaging sensor.
As preferable, second annular table of the lower end of the lens barrel provided with circumferentially extending；
The lens include the first lens, the second lens, the 3rd lens being spaced successively up and down, and the first lens are recess court
On meniscus, the second lens are biconvex lens, and the 3rd lens are biconvex lens；
The radius of curvature of the upper N-Side surf of first lens is 7.568mm, the radius of curvature of lower N-Side surf is 27.195mm；
The radius of curvature of the upper N-Side surf of second lens is 12.636mm, the radius of curvature of lower N-Side surf is 7.568mm；
The radius of curvature of the upper N-Side surf of 3rd lens is 26.502mm, the radius of curvature of lower N-Side surf is 19.897mm；
The spacing of first lens, the second lens along both axis is 0.6mm；
The spacing of second lens, the 3rd lens along both axis is 0.8mm；
Along the axis of the first lens, the distance between upper N-Side surf and imaging sensor of the first lens scope are 5-8mm；
Along the axis of the 3rd lens, the distance between lower N-Side surf and body surface to be observed of the 3rd lens scope are 2-
4mm。
Second annular table plays a part of grip part, is moved easily lens subassembly, is focused.
As preferable, the interior resistance that optical filter, annular are also sequentially provided with the lower section of imaging sensor of the mounting cylinder
Back-up ring, three contact successively from top to down, stop that circle, the downside of mounting cylinder are coplanar；
Sealing ring is additionally provided between the mounting cylinder, connecting cylinder.
Optical filter can filter out some light, the image become apparent from.Stop circle can protect imaging sensor and
Optical filter, it is set to be not easy to be damaged by external impacts, it is even closer that sealing ring can be such that mounting cylinder is directly assembled with connecting cylinder.
Brief description of the drawings
Fig. 1 is the structural representation of the present apparatus.
Fig. 2 is the structural representation of sleeve.
Fig. 3 is the structural representation of the first lens.
Fig. 4 is the structural representation of the second lens.
Fig. 5 is the structural representation of the 3rd lens.
Embodiment
Referring to Fig. 1-Fig. 5, the present apparatus includes hollow and open upper and lower ends cylinder, is arranged on the display of cylinder upper end
1st, the ccd sensor 23 that is arranged in cylinder, it is arranged in cylinder and is enough the lens subassembly 4 for realizing axial displacement, display 1
It is connected with ccd sensor 23 by data wire, ccd sensor 23 and lens subassembly 4 are from the close-by examples to those far off mutually remote with display 1 successively
From lens subassembly 4 includes some lens for facing and being spaced successively each other with ccd sensor 23.
The cylinder includes mounting cylinder 2, connecting cylinder 3, the sleeve 5 to connect successively up and down, mounting cylinder 2, connecting cylinder 3, sleeve 5
Cross sectional shape for circle；
The upper and lower ends of mounting cylinder 2 are open and upper end is provided with first annular 22 circumferentially extended；
The upper end of connecting cylinder 3 is open, lower end closure, and lower end closure it is circumferential be in interior receipts state, one step 31 of formation,
The lower end central area of connecting cylinder 3 is provided with the internal thread for mounted lens component 4, and the lower end outer wall of connecting cylinder 3, which is provided with, to be used for
The external screw thread of branch sleeve 5；
The upper and lower ends of sleeve 5 are open, and the upper end in sleeve 5 is provided with what is be adapted with the lower end external screw thread of connecting cylinder 3
Internal thread, circumferentially uniform at least three tapped through hole 51 in bottom of sleeve 5, the axis co-planar of above-mentioned tapped through hole 51, each spiral shell
Axis of the axis extended line of line through hole 51 with sleeve 5 intersects vertically, and each inward turning of tapped through hole 51 fills holding screw 52；
Mounting cylinder 2 is inserted in connecting cylinder 3 from top to down, and first annular 22 contacts with connecting cylinder 3, under mounting cylinder 2
Gap is left between end and the lower end closure of connecting cylinder 3, the lower end of connecting cylinder 3 inside and outside the upper end of sleeve 5 with spinning, and sleeve 5
Upper end leans with step 31；
Lens subassembly 4 also includes being used for the lens barrel 41 for installing that if dry lens, upper and lower ends are open, circular, lens barrel 41
External wall of upper portion is provided with the external screw thread being adapted with the internal thread of connecting cylinder 3；
Display 1 is located at the top of first annular 22, and ccd sensor 23, data wire are located in mounting cylinder 2, lens barrel 41
Spinning is in the lower end central area of connecting cylinder 3, lower end closure, lens barrel 41, the specification of sleeve 5 of connecting cylinder 3, it is sufficient to so that
Lens barrel 41 is in sleeve 5.
The lower end of the lens barrel 41 is provided with the second annular table 45 of circumferentially extending；
The lens include the first lens 42, the second lens 43, the 3rd lens 44 being spaced successively up and down, the first lens 42
For the meniscus of recess upward, the second lens 43 are biconvex lens, and the 3rd lens 44 are biconvex lens；
The radius of curvature of the upper N-Side surf of first lens 42 is 7.568mm, the radius of curvature of lower N-Side surf is 27.195mm,
Thickness is 2.52mm, along vertical difference in height is 1.38mm between upside minimum point and downside minimum point, downside is coated with increasing
Permeable membrane, wavelength 550nm, execution standard are GB 1316-77；
The radius of curvature of the upper N-Side surf of second lens 43 is 12.636mm, the radius of curvature of lower N-Side surf is 7.568mm,
Thickness is 2.48mm, and upper side is coated with anti-reflection film, wavelength 550nm, and execution standard is GB1316-77；
The radius of curvature of the upper N-Side surf of 3rd lens 44 is 26.502mm, the radius of curvature of lower N-Side surf is
19.897mm, thickness 2.19mm, upper and lower side are coated with anti-reflection film, wavelength 550nm, and execution standard is GB 1316-77；
The spacing of first lens 42, the second lens 43 along both axis is 0.6mm；
Second lens 43, spacing of the 3rd lens 44 along both axis are 0.8mm；
Along the axis of the first lens 42, the distance between upper N-Side surf and ccd sensor 23 of the first lens 42 are 8mm；
Along the axis of the 3rd lens 44, the distance between the lower N-Side surfs of the 3rd lens 44 and body surface to be observed are
4mm。
Optical filter 24, the stop circle 21 of annular are also sequentially provided with the mounting cylinder 2 at the lower section of ccd sensor 23,
Three contacts successively from top to down, stops that circle 21, the downside of mounting cylinder 2 are coplanar, optical filter coating wavelength is 550nm；
Sealing ring is additionally provided between the mounting cylinder 2, connecting cylinder 3 (not shown in sealing ring Fig. 1).
The application method of the present apparatus is, during experiment, after observation instrument regulates, first the present apparatus is enclosed on eyepiece, cylinder
Body is arranged on above-mentioned microscopical eyepiece by its lower end, and the image of body surface to be observed senses through lens focus in CCD
After being imaged on device 23, it is shown clearly in through display 1.By the readability of the image in display 1, lens subassembly 4 is adjusted
Position, image is set to reach most clearly effect.
The advantages of present apparatus, one, liberation eyes, eyes do not have to for a long time stare at microscope ocular；2nd, visual field model is expanded
Enclose, more intuitively observation experiment phenomenon.3rd, experimental teaching is facilitated.4th, do not change original laboratory apparatus, do not simplify experiment yet
Regulating step, the requirement of student experimenting will not be reduced.
Cylinder is divided into 5 three mounting cylinder 2, connecting cylinder 3, sleeve parts, and three parts are dismountable active connection,
So conveniently can focus and use, first annular 22 is played spacing effect, ensure the downside of mounting cylinder 2 not with connecting cylinder 3
Contacts-side-down.
Second annular table 45 plays a part of grip part, is moved easily lens subassembly 4, is focused.
Optical filter 24 can filter out some light, the image become apparent from.Stop that circle 21 can protect ccd sensor
23 and optical filter 24, make it be not easy to be damaged by external impacts, sealing ring can make mounting cylinder 2 with the directly assembling of connecting cylinder 3 more
Step up close.
In addition, the present apparatus, which can be used for telescope, spectrometer etc., has the experiment equipment of eyepiece.
Claims (5)
1. the microscopical eyepiece aided observing device of physics teaching, it is characterised in that：It is open including hollow and upper and lower ends
Cylinder, the display for being arranged on cylinder upper end, the imaging sensor being arranged in cylinder, it is arranged in cylinder and is enough to realize axle
To the lens subassembly of displacement, display is connected with imaging sensor by data wire, imaging sensor and lens subassembly by near and
It is far mutually remote with display successively, lens subassembly include it is some face with imaging sensor and be spaced successively each other it is saturating
Mirror.
2. the microscopical eyepiece aided observing device of physics teaching according to claim 1, it is characterised in that：
The cylinder includes mounting cylinder, connecting cylinder, the sleeve to connect successively up and down, mounting cylinder, connecting cylinder, the cross sectional shape of sleeve
For circle；
The upper and lower ends of mounting cylinder are open and upper end is provided with first annular circumferentially extended；
The upper end of connecting cylinder is open, lower end closure, and lower end closure is being in circumferentially interior receipts state, the lower end central area of connecting cylinder
Provided with the internal thread for mounted lens component, the lower end outer wall of connecting cylinder is provided with the external screw thread for branch sleeve；
The upper and lower ends of sleeve are open, and the upper end in sleeve is provided with the internal thread being adapted with the lower end external screw thread of connecting cylinder,
Circumferentially uniform at least three tapped through hole in the bottom of sleeve, the axis co-planar of above-mentioned tapped through hole, the axis of each tapped through hole
Extended line intersects vertically with the axis of sleeve, and each tapped through hole inward turning fills holding screw；
Mounting cylinder is inserted in connecting cylinder from top to down, and first annular contacts with connecting cylinder, the lower end of mounting cylinder and connecting cylinder
Lower end closure between leave gap, spun inside and outside the lower end of connecting cylinder and the upper end of sleeve；
If lens subassembly also includes being used for the lens barrel for installing that dry lens, upper and lower ends are open, circular, the external wall of upper portion of lens barrel is set
There is the external screw thread being adapted with the internal thread of connecting cylinder；
Display is located at the top of first annular, and imaging sensor, data wire are located in mounting cylinder, and lens barrel spinning is in connecting cylinder
Lower end central area, lower end closure, lens barrel, the specification of sleeve of connecting cylinder, it is sufficient to so that lens barrel is in sleeve.
3. the microscopical eyepiece aided observing device of physics teaching according to claim 1, it is characterised in that：Described
Imaging sensor uses ccd sensor or cmos sensor.
4. the microscopical eyepiece aided observing device of physics teaching according to claim 2, it is characterised in that：
The lower end of the lens barrel is provided with the second annular table of circumferentially extending；
The lens include the first lens, the second lens, the 3rd lens that are spaced successively up and down, the first lens be recess upward
Meniscus, the second lens are biconvex lens, and the 3rd lens are biconvex lens；
The radius of curvature of the upper N-Side surf of first lens is 7.568mm, the radius of curvature of lower N-Side surf is 27.195mm；
The radius of curvature of the upper N-Side surf of second lens is 12.636mm, the radius of curvature of lower N-Side surf is 7.568mm；
The radius of curvature of the upper N-Side surf of 3rd lens is 26.502mm, the radius of curvature of lower N-Side surf is 19.897mm；
The spacing of first lens, the second lens along both axis is 0.6mm；
The spacing of second lens, the 3rd lens along both axis is 0.8mm；
Along the axis of the first lens, the distance between upper N-Side surf and imaging sensor of the first lens scope are 5-8mm；
Along the axis of the 3rd lens, the distance between lower N-Side surf and body surface to be observed of the 3rd lens scope are 2-4mm.
5. the microscopical eyepiece aided observing device of physics teaching according to claim 2, it is characterised in that：
Also be sequentially provided with optical filter, the stop circle of annular in the mounting cylinder at the lower section of imaging sensor, three from upper and
Contact successively lowerly, stop that circle, the downside of mounting cylinder are coplanar；
Sealing ring is additionally provided between the mounting cylinder, connecting cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711446170.2A CN107884921B (en) | 2017-12-27 | 2017-12-27 | Eyepiece auxiliary observation device of microscope for physical teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711446170.2A CN107884921B (en) | 2017-12-27 | 2017-12-27 | Eyepiece auxiliary observation device of microscope for physical teaching |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107884921A true CN107884921A (en) | 2018-04-06 |
| CN107884921B CN107884921B (en) | 2023-11-10 |
Family
ID=61772589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711446170.2A Active CN107884921B (en) | 2017-12-27 | 2017-12-27 | Eyepiece auxiliary observation device of microscope for physical teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107884921B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000180730A (en) * | 1998-12-16 | 2000-06-30 | Tochigi Nikon Corp | Optical observation device |
| US20010048549A1 (en) * | 2000-06-02 | 2001-12-06 | I-Chung Wang | Camera adapter for microscope |
| CN101498834A (en) * | 2009-01-22 | 2009-08-05 | 重庆梧台科技发展有限公司 | Three-section adjustable electronic eyepiece of astronomical telescope |
| CN201344997Y (en) * | 2009-01-22 | 2009-11-11 | 重庆梧台科技发展有限公司 | Electric eyepiece with adjustable viewing field for optical microscope |
| CN203587871U (en) * | 2013-11-12 | 2014-05-07 | 奇瑞汽车股份有限公司 | Vehicle-mounted pick-up lens |
| CN207636841U (en) * | 2017-12-27 | 2018-07-20 | 蚌埠学院 | The microscopical eyepiece aided observing device of physics teaching |
-
2017
- 2017-12-27 CN CN201711446170.2A patent/CN107884921B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000180730A (en) * | 1998-12-16 | 2000-06-30 | Tochigi Nikon Corp | Optical observation device |
| US20010048549A1 (en) * | 2000-06-02 | 2001-12-06 | I-Chung Wang | Camera adapter for microscope |
| CN101498834A (en) * | 2009-01-22 | 2009-08-05 | 重庆梧台科技发展有限公司 | Three-section adjustable electronic eyepiece of astronomical telescope |
| CN201344997Y (en) * | 2009-01-22 | 2009-11-11 | 重庆梧台科技发展有限公司 | Electric eyepiece with adjustable viewing field for optical microscope |
| CN203587871U (en) * | 2013-11-12 | 2014-05-07 | 奇瑞汽车股份有限公司 | Vehicle-mounted pick-up lens |
| CN207636841U (en) * | 2017-12-27 | 2018-07-20 | 蚌埠学院 | The microscopical eyepiece aided observing device of physics teaching |
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| Publication number | Publication date |
|---|---|
| CN107884921B (en) | 2023-11-10 |
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