CN207636841U - The microscopical eyepiece aided observing device of physics teaching - Google Patents
The microscopical eyepiece aided observing device of physics teaching Download PDFInfo
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- CN207636841U CN207636841U CN201721862787.8U CN201721862787U CN207636841U CN 207636841 U CN207636841 U CN 207636841U CN 201721862787 U CN201721862787 U CN 201721862787U CN 207636841 U CN207636841 U CN 207636841U
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Abstract
The microscopical eyepiece aided observing device of physics teaching, including hollow and open upper and lower ends cylinder, be arranged cylinder upper end display, be arranged in cylinder imaging sensor, be arranged in cylinder and be enough to realize the lens subassembly of axial displacement, display is connect with imaging sensor by data line, imaging sensor and lens subassembly are mutually separate with display successively from the near to the distant, and lens subassembly includes several lens for facing and being spaced successively each other with imaging sensor.It neither changes the structure of original instrument and regulating step, but can easily observation experiment phenomenon, facilitate teaching to use.
Description
Technical field
The utility model is related to the microscopical eyepiece aided observing devices of physics teaching.
Background technology
Traditional microscope, telescope, spectrometer need to be observed with eyepiece when in use.In teaching process, pass
The eyepiece of system has the following defects：
1, one eye eyeball can only be used to observe, eyes are in the state of " one eye is opened, and one eye is closed " for a long time, are easy fatigue
It is sour and astringent；
2, field range is smaller, is not easy observation experiment phenomenon.
3, the inspection and comment of teacher when experimental phenomena can only be observed by one people of experimenter, be inconvenient to give lessons.
There is a kind of electronic eyepiece on the market now, is 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：
When 1, using electronic eyepiece, needs the eyepiece of instrument to remove, thus change the basic structure of laboratory apparatus.
And remove, the process replaced can accelerate the loss of eyepiece.In addition, for some instruments, for example spectrometer, eyepiece can not be independent
It removes.
It when 2, using electronic eyepiece, need not focus manually, this link of the adjusting of eyepiece will lack.It is 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, using purpose and
Method, entire education activities are incomplete.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of microscopical eyepiece supplementary observations of physics teaching
Device, neither changes the structure and regulating step of original instrument, and can easily observation experiment phenomenon.
It is filled with microscopical eyepiece supplementary observation in order to solve the above technical problems, the utility model provides physics teaching
It sets, including hollow and open upper and lower ends cylinder, display in cylinder upper end, the image sensing that is arranged in cylinder is set
Device is arranged in cylinder and is enough to realize that the lens subassembly of axial displacement, display are connect with imaging sensor by data line,
Imaging sensor and lens subassembly are mutually separate with display successively from the near to the distant, and lens subassembly includes several and imaging sensor
The lens for facing and being spaced successively each other.
For the sake of simple declaration problem, below physics teaching described in the utility model is assisted seeing with microscopical eyepiece
Survey device, the referred to as present apparatus.
The application method of the present apparatus is, when experiment, after observation instrument regulates, first the present apparatus is sleeved on eyepiece, is led to
It crosses the readability of the image in display, adjusts lens position, image is made 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；Two, expand visual field model
It encloses, more intuitively observation experiment phenomenon.Three, facilitate experimental teaching.Four, do not change original laboratory apparatus, do not simplify experiment yet
Regulating step will not reduce the requirement of student experimenting.
To reach the better using effect of the present apparatus, preferred embodiment is as follows：
Preferably, the cylinder includes the mounting cylinder, connecting cylinder, sleeve to connect successively up and down, mounting cylinder, connection
Cylinder, sleeve cross sectional shape be circle；
The upper and lower ends of mounting cylinder are open and upper end is equipped with first annular circumferentially extended；
The upper end opening of connecting cylinder, lower end closure, and lower end closure is being in circumferentially interior receipts state, the lower end center of connecting cylinder
Region is equipped with the internal thread for mounted lens component, and the lower end outer wall of connecting cylinder is equipped with the external screw thread for branch sleeve；
The upper and lower ends of sleeve are open, and the upper end in sleeve is equipped with interior spiral shell compatible with the lower end external screw thread of connecting cylinder
The lower part of line, sleeve is circumferentially evenly distributed at least three tapped through holes, the axis co-planar of above-mentioned tapped through hole, the axis 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 into connecting cylinder from top to down, and first annular contacts with connecting cylinder, the lower end of mounting cylinder and company
There are gap between the lower end closure of connect cylinder, it is screwed on inside and outside the lower end of connecting cylinder and the upper end of sleeve；
If lens subassembly further includes that dry lens, upper and lower ends are open, circular lens barrel for installing, outside the top of lens barrel
Wall is equipped with external screw thread compatible with the internal thread of connecting cylinder；
Display is located at first annular top, and imaging sensor, data line are located in mounting cylinder, and lens barrel spinning is even
The lower end central area of connect cylinder, the lower end closure of connecting cylinder, the specification of lens barrel, sleeve, 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 can facilitate focusing and use, and first annular is played the role of limit, ensure not connect with connecting cylinder downside on the downside of mounting cylinder
It touches.
Preferably, the imaging sensor uses ccd sensor or cmos sensor.
Preferably, the lower end of the lens barrel is equipped with the second annular table of circumferentially extending；
The lens include the first lens, the second lens, the third lens being spaced successively up and down, and the first lens are recess court
On meniscus, the second lens be biconvex lens, the third 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 the third lens is 26.502mm, the radius of curvature of lower N-Side surf is 19.897mm；
First lens, the second lens are 0.6mm along the spacing of the two axis；
Second lens, the third lens are 0.8mm along the spacing of the two axis；
Along the axis of the first lens, the distance between upper N-Side surf and imaging sensor of the first lens ranging from 5-8mm；
Along the axis of the third lens, the distance between lower N-Side surf and body surface to be observed of the third lens ranging from 2-
4mm。
Second annular table plays the role of grip part, is moved easily lens subassembly, focuses.
Preferably, being also equipped with the resistance of optical filter, annular in the mounting cylinder successively at the lower section of imaging sensor
Baffle ring, three contact successively from top to down, and blocking circle, the downside of mounting cylinder are coplanar；
It is additionally provided with sealing ring between the mounting cylinder, connecting cylinder.
Optical filter can filter out some light, the image being more clear.Blocking circle can protect imaging sensor and
Optical filter makes it be not easy to be damaged by external impacts, and it is even closer that sealing ring can be such that mounting cylinder is directly assembled with connecting cylinder.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present apparatus.
Fig. 2 is the structural schematic diagram of sleeve.
Fig. 3 is the structural schematic diagram of the first lens.
Fig. 4 is the structural schematic diagram of the second lens.
Fig. 5 is the structural schematic diagram of the third lens.
Specific implementation mode
Referring to Fig. 1-Fig. 5, display in cylinder upper end is arranged in the present apparatus includes hollow and upper and lower ends are open cylinder
1, ccd sensor 23 in cylinder is set, be arranged in cylinder and is enough to realize the lens subassembly 4 of axial displacement, display 1
It is connect by data line with ccd sensor 23, ccd sensor 23 and lens subassembly 4 are mutually remote with display 1 successively from the near to the distant
From lens subassembly 4 includes several lens for facing and being spaced successively each other with ccd sensor 23.
The cylinder includes the mounting cylinder 2, connecting cylinder 3, sleeve 5 to connect successively up and down, mounting cylinder 2, connecting cylinder 3, sleeve 5
Cross sectional shape be circle；
The upper and lower ends of mounting cylinder 2 are open and upper end is equipped with first annular 22 circumferentially extended；
The upper end opening of connecting cylinder 3, lower end closure, and lower end closure is being in circumferentially interior receipts state, forms a step 31,
The lower end central area of connecting cylinder 3 is equipped with the internal thread for mounted lens component 4, and the lower end outer wall of connecting cylinder 3, which is equipped 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 equipped with compatible with the lower end external screw thread of connecting cylinder 3
The lower part of internal thread, sleeve 5 is circumferentially evenly distributed at least three tapped through holes 51, 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 51 inward turning of each tapped through hole fills holding screw 52；
Mounting cylinder 2 is inserted into connecting cylinder 3 from top to down, and first annular 22 contacts with connecting cylinder 3, under mounting cylinder 2
There are gap between end and the lower end closure of connecting cylinder 3, it is screwed on inside and outside the lower end of connecting cylinder 3 and the upper end of sleeve 5, and sleeve 5
Upper end leans with step 31；
If lens subassembly 4 further includes for installing open, the circular lens barrel 41 of dry lens, upper and lower ends, lens barrel 41
External wall of upper portion is equipped with external screw thread compatible with the internal thread of connecting cylinder 3；
Display 1 is located at first annular 22 top, and ccd sensor 23, data line are located in mounting cylinder 2, lens barrel 41
Spinning is in the lower end central area of connecting cylinder 3, the lower end closure of connecting cylinder 3, the specification of lens barrel 41, sleeve 5, it is sufficient to so that
Lens barrel 41 is in sleeve 5.
The lower end of the lens barrel 41 is equipped with the second annular table 45 of circumferentially extending；
The lens include the first lens 42, the second lens 43, the third 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 third 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, between upside minimum point and downside minimum point along vertical difference in height be 1.38mm, 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 the third 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；
First lens 42, the second lens 43 are 0.6mm along the spacing of the two axis；
Second lens 43, the third lens 44 are 0.8mm along the spacing of the two axis；
Along the axis of the first lens 42, the distance between the upper N-Side surf and ccd sensor 23 of the first lens 42 are 8mm；
Along the axis of the third lens 44, the distance between the lower N-Side surfs of the third lens 44 and body surface to be observed are
4mm。
Also it is equipped with optical filter 24, annular blocking circle 21 in the mounting cylinder 2 successively at the lower section of ccd sensor 23,
Three contacts successively from top to down, and blocking circle 21, the downside of mounting cylinder 2 are coplanar, and optical filter coating wavelength is 550nm；
Sealing ring (being not shown in sealing ring Fig. 1) is additionally provided between the mounting cylinder 2, connecting cylinder 3.
The application method of the present apparatus is, when experiment, after observation instrument regulates, first the present apparatus is sleeved on eyepiece, cylinder
Body is mounted on by its lower end on above-mentioned microscopical eyepiece, and the image of body surface to be observed is sensed 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 makes image 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；Two, expand visual field model
It encloses, more intuitively observation experiment phenomenon.Three, facilitate experimental teaching.Four, do not change original laboratory apparatus, do not simplify experiment yet
Regulating step will not reduce the requirement of student experimenting.
Cylinder is divided into 5 three mounting cylinder 2, connecting cylinder 3, sleeve parts, and three parts are dismountable active connection,
Can facilitate focusing and use in this way, first annular 22 is played the role of limit, ensure 2 downside of mounting cylinder not with connecting cylinder 3
Contacts-side-down.
Second annular table 45 plays the role of grip part, is moved easily lens subassembly 4, focuses.
Optical filter 24 can filter out some light, the image being more clear.Blocking 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 assembly 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, be arranged cylinder upper end display, be arranged in cylinder imaging sensor, be arranged and in cylinder and be enough to realize axis
To the lens subassembly of displacement, display is connect with imaging sensor by data line, imaging sensor and lens subassembly by close and
Far mutually separate with display successively, lens subassembly includes several facing and being spaced successively each other saturating with imaging sensor
Mirror.
2. the microscopical eyepiece aided observing device of physics teaching according to claim 1, it is characterised in that：
The cylinder includes the mounting cylinder, connecting cylinder, sleeve to connect successively up and down, mounting cylinder, connecting cylinder, sleeve cross sectional shape
For circle；
The upper and lower ends of mounting cylinder are open and upper end is equipped with first annular circumferentially extended；
The upper end opening of connecting cylinder, lower end closure, and lower end closure is being in circumferentially interior receipts state, the lower end central area of connecting cylinder
Equipped with the internal thread for mounted lens component, the lower end outer wall of connecting cylinder is equipped with the external screw thread for branch sleeve；
The upper and lower ends of sleeve are open, and the upper end in sleeve is equipped with internal thread compatible with the lower end external screw thread of connecting cylinder,
The lower part of sleeve is circumferentially evenly distributed at least three tapped through holes, 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 into 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 there are gap, be screwed on inside and outside the lower end of connecting cylinder and the upper end of sleeve；
If lens subassembly further includes for installing open, the circular lens barrel of dry lens, upper and lower ends, the external wall of upper portion of lens barrel is set
There is external screw thread compatible with the internal thread of connecting cylinder；
Display is located at first annular top, and imaging sensor, data line are located in mounting cylinder, and lens barrel spinning is in connecting cylinder
Lower end central area, the lower end closure of connecting cylinder, the specification of lens barrel, sleeve, 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 equipped with the second annular table of circumferentially extending；
The lens include the first lens, the second lens, the third lens being spaced successively up and down, the first lens be recess upward
Meniscus, the second lens are biconvex lens, and the third 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 the third lens is 26.502mm, the radius of curvature of lower N-Side surf is 19.897mm；
First lens, the second lens are 0.6mm along the spacing of the two axis；
Second lens, the third lens are 0.8mm along the spacing of the two axis；
Along the axis of the first lens, the distance between upper N-Side surf and imaging sensor of the first lens ranging from 5-8mm；
Along the axis of the third lens, the distance between lower N-Side surf and body surface to be observed of the third lens ranging from 2-4mm.
5. the microscopical eyepiece aided observing device of physics teaching according to claim 2, it is characterised in that：
Also be equipped with successively at the lower section of imaging sensor in the mounting cylinder optical filter, annular blocking circle, three from upper and
It contacts successively lowerly, blocking circle, the downside of mounting cylinder are coplanar；
It is additionally provided with sealing ring between the mounting cylinder, connecting cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721862787.8U CN207636841U (en) | 2017-12-27 | 2017-12-27 | The microscopical eyepiece aided observing device of physics teaching |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721862787.8U CN207636841U (en) | 2017-12-27 | 2017-12-27 | The microscopical eyepiece aided observing device of physics teaching |
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| Publication Number | Publication Date |
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| CN207636841U true CN207636841U (en) | 2018-07-20 |
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ID=62853014
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884921A (en) * | 2017-12-27 | 2018-04-06 | 蚌埠学院 | The microscopical eyepiece aided observing device of physics teaching |
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2017
- 2017-12-27 CN CN201721862787.8U patent/CN207636841U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884921A (en) * | 2017-12-27 | 2018-04-06 | 蚌埠学院 | The microscopical eyepiece aided observing device of physics teaching |
| CN107884921B (en) * | 2017-12-27 | 2023-11-10 | 蚌埠学院 | Eyepiece auxiliary observation device of microscope for physical teaching |
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