CN202523288U - Combined-type light path demonstration instrument - Google Patents
Combined-type light path demonstration instrument Download PDFInfo
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- CN202523288U CN202523288U CN2012200859859U CN201220085985U CN202523288U CN 202523288 U CN202523288 U CN 202523288U CN 2012200859859 U CN2012200859859 U CN 2012200859859U CN 201220085985 U CN201220085985 U CN 201220085985U CN 202523288 U CN202523288 U CN 202523288U
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- light path
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Abstract
The utility model belongs to a teaching apparatus and especially relates to a combined-type light path demonstration instrument. The instrument comprises a pedestal (1), a demonstration board (2), a lens (4) and a light source (7). The demonstration board (2) is made of a transparent material. The demonstration board (2) comprises a microscope light path demonstration area (21), a Kepler telescope light path demonstration area (22), a Galileo telescope light path demonstration area (23), a prism light path demonstration area (24) and a slide projector light path demonstration area (25). Two lens fixing holes (3) are horizontally arranged on the microscope light path demonstration area (21), the Kepler telescope light path demonstration area (22), the Galileo telescope light path demonstration area (23) and the prism light path demonstration area (24) respectively. One lens fixing hole (3) is arranged on the slide projector light path demonstration area (25). The lens (4) comprises a first convex lens (41), a second convex lens (42), a concave lens (43), a spherical lens (44), an isosceles right angle prism (45) and a semicircle glass block (46). The light source (7) is a laser light source. The demonstration instrument can visually demonstrate the combined-type light path.
Description
Technical field
The utility model belongs to instruments used for education, particularly a kind of combined type light path demonstrator.
Background technology
In the teaching of middle school physics; Generally take the mode of preach to impart knowledge to one's students to the imaging features of lens such as convex lens, concavees lens; The student can only spoon-feed the passive acceptance in ground; Theory does not contact reality, and teaching efficiency is relatively poor, knows the theoretical main cause that can not be applied to practical experience of life though this also is a Most students.On August 9th, 2000, disclosed application number was that 98210562.2 innovation and creation disclose a kind of convex lens and become real image light path graphic instrument, and it is the changeable optical path graphic instrument that is combined by fixed head, translatory plate, rotor plate, chute, rotating shaft.When pulling water translatory plate, promptly can demonstrate the universal law that convex lens become real image, have alternative writing on the blackboard, plate picture, demonstration dynamic physical picture, functions such as analog physical process.On May 25th, 2011, disclosed application number was that 201020612309.3 innovation and creation disclose a kind of lens switching-over light path apparatus for demonstrating.This device comprises demonstration board and base, and demonstration board is perpendicular to base and be fixed on the base, offers a strip hole on the demonstration board; The strip hole center is provided with rotating shaft; Lens switch rotating disk and are suspended in the strip hole through rotating shaft, and it is perpendicular with demonstration board and base respectively that lens switch rotating disk, in rotational direction are provided with 2～10 lens mounts uniformly on the lens switching rotating disk; Be provided with lenses in the lens mount, the both sides of strip hole are marked with light path contrast angle index respectively on the demonstration board.This lens switching-over light path apparatus for demonstrating scioptics switching rotating disk can switch different lens easily and fast demonstrates different transmitted light paths; And the light path on demonstration board contrast angle index can more significantly show light path before lens incident with refraction after light path compare, promote Students'learning to understand and help to improve the quality of teaching.But simple optical phenomenon is just demonstrated in above-mentioned two innovation and creation, and like refraction, the light path of the various elements of demonstration after making up in twos do not mentioned in reflection in presentation process, also the various laws of light is not applied to reality.
The utility model content
The purpose of the utility model provides a kind of combined type light path demonstrator, and this demonstrator can ocular demonstration combined type light path.
The scheme that the utility model solve the technical problem is: a kind of combined type light path demonstrator; Comprise base, demonstration board, lens and light source; Said demonstration board is processed by transparent material; Said demonstration board comprises microscope light path demonstration district, Kepler telescope light path demonstration district, Galileo telescope light path demonstration district, optical path prism demonstration district, slide projector light path demonstration district; Go up average level 2 lens fixed orifices be set in microscope light path demonstration district, Kepler telescope light path demonstration district, Galileo telescope light path demonstration district, optical path prism demonstration district; The demonstration of slide projector light path is provided with 1 lens fixed orifice in the district, and said lens comprise first convex lens, second convex lens, concavees lens, spherical mirror, isosceles right-angle prism, semicircle glass block, and said light source is a LASER Light Source.
During demonstration, only need insert corresponding lens fixed orifice to lens, open light source, combined type light paths such as microscope, telescope can be on demonstration board clear manifesting.
As further technical scheme, the center thickness of said first convex lens is 1.3 centimetres, highly is that 6.0 centimetres, focal length are 8.0 centimetres; The center thickness of said second convex lens is 2.0 centimetres, highly is that 11.0 centimetres, focal length are 16.4 centimetres; 6.0 centimetres of the height of said concavees lens, 1.3 centimetres of maximum ga(u)ges, focal length are 4.0 centimetres.
As further technical scheme again; Horizontal range between 2 lens fixed orifices in the said microscope light path demonstration district is 30 centimetres; Horizontal range between 2 lens fixed orifices in the said Kepler telescope light path demonstration district is 24.4 centimetres, and the horizontal range between 2 lens fixed orifices in the said Galileo telescope light path demonstration district is 12.4 centimetres.
As technical scheme further, on the said base montant is set, slide block is set on the montant, said light source is fixed on the slide block.
In sum, the utlity model has simple in structure, convenient and practical advantage, can intuitively and clearly demonstrate the combined type light path.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structural representation of the utility model lens.
Embodiment
Like Fig. 1, shown in Figure 2; A kind of combined type light path demonstrator; Comprise base 1, demonstration board 2, lens 4 and light source 7; Said demonstration board 2 is processed by transparent material, and demonstration board 2 comprises microscope light path demonstration district 21, Kepler telescope light path demonstration district 22, Galileo telescope light path demonstration district 23, optical path prism demonstration district 24, slide projector light path demonstration district 25, and each demonstration district is provided with from top to down.Average level is provided with 2 lens fixed orifices 3 in microscope light path demonstration district 21, Kepler telescope light path demonstration district 22, Galileo telescope light path demonstration district 23, the optical path prism demonstration district 24, in the slide projector light path demonstration district 25 1 lens fixed orifice 3 is set.Horizontal range between 2 lens fixed orifices 3 in the microscope light path demonstration district 21 is 30 centimetres; Horizontal range between 2 lens fixed orifices 3 in the Kepler telescope light path demonstration district 22 is 24.4 centimetres, and the horizontal range between 2 lens fixed orifices 3 in the Galileo telescope light path demonstration district 23 is 12.4 centimetres.Lens 4 comprise first convex lens 41, second convex lens 42, concavees lens 43, spherical mirror 44, isosceles right-angle prism 45, semicircle glass block 46.The center thickness of first convex lens 41 is 1.3 centimetres, highly is that 6.0 centimetres, focal length are 8.0 centimetres; The center thickness of second convex lens 42 is 2.0 centimetres, highly is that 11.0 centimetres, focal length are 16.4 centimetres; 6.0 centimetres of the height of concavees lens 43,1.3 centimetres of maximum ga(u)ges, focal length are 4.0 centimetres.Montant 5 is set on the base 1, slide block 6 is set on the montant 5, light source 7 is fixed on the slide block 6, and light source 7 is a LASER Light Source.
Microscope utilizes the amplification combination of two convex lens to process, and respectively there is a convex lens group at two ends, press close to eyes on eyepiece, press close to be observed the object lens that cry of object.As object lens, second convex lens 42 are as eyepiece with first convex lens 41 for this demonstrator, and light source 7 is positioned at the left side of first convex lens 41, and second convex lens 42 are positioned at the right side of first convex lens 41.
Kepler telescope and Galileo telescope all belong to refracting telescope.The object lens and the eyepiece of Kepler telescope are convex lens, and the Galileo telescope object lens are that convex lens, eyepiece are concavees lens.When demonstrating the light path of Kepler telescope; The slide block of fixing light source 76 is moved on to the height identical with Kepler telescope light path demonstration district 22; First convex lens 41 and second convex lens 42 are inserted in 2 lens fixed orifices 3 in the Kepler telescope light path demonstration district 22; Light source 7 is positioned at the left side of second convex lens 42, and first convex lens 41 are positioned at the right side of second convex lens 42.When demonstrating the light path of Galileo telescope; The slide block of fixing light source 76 is moved on to the height identical with Galileo telescope light path demonstration district 23; Second convex lens 42 and concavees lens 43 are inserted in 2 lens fixed orifices 3 in the Galileo telescope light path demonstration district 23; Light source 7 is positioned at the left side of second convex lens 42, and concavees lens 43 are positioned at the right side of second convex lens 42.
During the demonstration optical path prism, get final product behind spherical mirror 44, isosceles right-angle prism 45 or the corresponding lens fixed orifice 3 of semicircle glass block 46 insertions light source 7 being aimed at lens.
During presentation slide machine light path, second convex lens 42 are inserted the lens fixed orifice 3 that is positioned at slide projector light path demonstration district 25, light source 7 is aimed at lens get final product.
Claims (4)
1. combined type light path demonstrator; Comprise base (1), demonstration board (2), lens (4) and light source (7); It is characterized in that: said demonstration board (2) is processed by transparent material; Said demonstration board (2) comprises microscope light path demonstration district (21), Kepler telescope light path demonstration district (22), Galileo telescope light path demonstration district (23), optical path prism demonstration district (24), slide projector light path demonstration district (25); Go up average level 2 lens fixed orifices (3) be set in microscope light path demonstration district (21), Kepler telescope light path demonstration district (22), Galileo telescope light path demonstration district (23), optical path prism demonstration district (24); In the slide projector light path demonstration district (25) 1 lens fixed orifice (3) is set; Said lens (4) comprise first convex lens (41), second convex lens (42), concavees lens (43), spherical mirror (44), isosceles right-angle prism (45), semicircle glass block (46), and said light source (7) is a LASER Light Source.
2. a kind of combined type light path demonstrator as claimed in claim 1 is characterized in that: the center thickness of said first convex lens (41) is 1.3 centimetres, highly is that 6.0 centimetres, focal length are 8.0 centimetres; The center thickness of said second convex lens (42) is 2.0 centimetres, highly is that 11.0 centimetres, focal length are 16.4 centimetres; 6.0 centimetres of the height of said concavees lens (43), 1.3 centimetres of maximum ga(u)ges, focal length are 4.0 centimetres.
3. according to claim 1 or claim 2 a kind of combined type light path demonstrator; It is characterized in that: the horizontal range between 2 the lens fixed orifices (3) in the said microscope light path demonstration district (21) is 30 centimetres; Horizontal range between 2 lens fixed orifices (3) in the said Kepler telescope light path demonstration district (22) is 24.4 centimetres, and the horizontal range between 2 the lens fixed orifices (3) in the said Galileo telescope light path demonstration district (23) is 12.4 centimetres.
4. according to claim 1 or claim 2 a kind of combined type light path demonstrator, it is characterized in that: montant (5) is set on the said base (1), slide block (6) is set on the montant (5), said light source (7) is fixed on the slide block (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200859859U CN202523288U (en) | 2012-03-09 | 2012-03-09 | Combined-type light path demonstration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200859859U CN202523288U (en) | 2012-03-09 | 2012-03-09 | Combined-type light path demonstration instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202523288U true CN202523288U (en) | 2012-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200859859U Expired - Fee Related CN202523288U (en) | 2012-03-09 | 2012-03-09 | Combined-type light path demonstration instrument |
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| Country | Link |
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| CN (1) | CN202523288U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021139929A (en) * | 2020-03-02 | 2021-09-16 | 株式会社島津理化 | Microscope lens barrel, microscope, method of manufacturing microscope, and experiment method |
-
2012
- 2012-03-09 CN CN2012200859859U patent/CN202523288U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021139929A (en) * | 2020-03-02 | 2021-09-16 | 株式会社島津理化 | Microscope lens barrel, microscope, method of manufacturing microscope, and experiment method |
| JP7218844B2 (en) | 2020-03-02 | 2023-02-07 | 株式会社島津理化 | Microscope Barrel, Microscope, Microscope Manufacturing Method and Experimental Method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20130309 |