CN113920834B - Neon reproduction comprehensive demonstration instrument - Google Patents
Neon reproduction comprehensive demonstration instrument Download PDFInfo
- Publication number
- CN113920834B CN113920834B CN202111386192.0A CN202111386192A CN113920834B CN 113920834 B CN113920834 B CN 113920834B CN 202111386192 A CN202111386192 A CN 202111386192A CN 113920834 B CN113920834 B CN 113920834B
- Authority
- CN
- China
- Prior art keywords
- demonstration
- fixedly connected
- neon
- light
- dimensional
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910052754 neon Inorganic materials 0.000 title claims abstract description 88
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 title claims abstract description 88
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 105
- 238000002474 experimental method Methods 0.000 claims abstract description 29
- 230000002093 peripheral effect Effects 0.000 claims abstract description 15
- 238000005192 partition Methods 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 239000011521 glass Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 7
- 230000000007 visual effect Effects 0.000 abstract description 11
- 238000004088 simulation Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 9
- 238000001615 p wave Methods 0.000 description 9
- 239000003086 colorant Substances 0.000 description 8
- 238000001228 spectrum Methods 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 6
- 235000000177 Indigofera tinctoria Nutrition 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 5
- 229940097275 indigo Drugs 0.000 description 5
- COHYTHOBJLSHDF-UHFFFAOYSA-N indigo powder Natural products N1C2=CC=CC=C2C(=O)C1=C1C(=O)C2=CC=CC=C2N1 COHYTHOBJLSHDF-UHFFFAOYSA-N 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002310 reflectometry Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- QXJJQWWVWRCVQT-UHFFFAOYSA-K calcium;sodium;phosphate Chemical compound [Na+].[Ca+2].[O-]P([O-])([O-])=O QXJJQWWVWRCVQT-UHFFFAOYSA-K 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 241001310793 Podium Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000012925 reference material Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Optimization (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Algebra (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Business, Economics & Management (AREA)
- Optics & Photonics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Instructional Devices (AREA)
Abstract
The invention discloses a neon reproduction comprehensive demonstration instrument, and relates to the technical field of neon reproduction demonstration devices. The invention comprises a bearing frame and a demonstration table; the bearing frame is in rotary fit with the demonstration table; the peripheral side surface of the demonstration table is provided with an annular channel; the annular channel is in running fit with a movable light source assembly; the surface of the demonstration table is fixedly connected with a Y-shaped partition plate; the Y-shaped partition plate divides the demonstration table into a two-dimensional demonstration area, a three-dimensional demonstration area and a real object demonstration area; the surface of the three-dimensional demonstration area is provided with a light screen component; the surface of the real object demonstration area is positioned outside the experiment box and is provided with a water circulation device in a penetrating way. According to the invention, demonstration operations are sequentially carried out in the two-dimensional demonstration area, the three-dimensional demonstration area and the physical demonstration area, the demonstration device can be used for carrying out simple to difficult layered demonstration, the generation of the rainbow and the neon can be analyzed and reproduced progressively from the two-dimensional to the three-dimensional to the physical model, and the side screens are arranged on the two sides of the device, so that the rainbow and the neon with larger radius difference can be received respectively, and the device is simple in operation, visual, clear and attractive in appearance and consumes less time.
Description
Technical Field
The invention belongs to the technical field of neon reproduction demonstration devices, and particularly relates to a neon reproduction comprehensive demonstration instrument.
Background
Rainbow and neon are beautiful natural phenomena, and have been endowed with good humane connotation. In the teaching materials of all levels of middle and primary schools, rainbow and neon knowledge points and beautiful pictures also appear for many times. In the education of the current school, in order to develop the eyes of students and improve the comprehensive ability of the students, practical class becomes a trend of teaching reform and development, and is highly expected, but many school class demonstration devices are few, some are even blank, and the demands of teaching development are far from being met. Aiming at the current situation, the innovation group aims at making and completing a demonstration device after idealizing and modeling the natural phenomenon of rainbow and neon, carrying the demonstration device into a classroom and assisting the teaching of the classroom of the middle and primary schools.
The current interpretation of rainbow and neon by middle school has the following (including but not limited to) conditions or techniques that need to be addressed:
1. the system theory about the rainbow and the neon is not found well at present, the rainbow and the neon phenomenon is mentioned on teaching materials and reference materials of middle school, but the specific explanation of the rainbow and the neon phenomenon is basically not provided;
2. the space imagination capability of middle school students is in the development stage, which requires that our device be layered and progressively displayed during demonstration and test;
3. rainbow and neon exist in the sky in nature, and the reality condition requires that our device can intuitively, clearly and aesthetically show the phenomenon between the 'sizes' of three-ruler podium;
4. the demonstration and explanation of the rainbow and the neon have good effects on the scientific interests and thinking ability of students in culture, and can enrich the learning life of the students, deepen the knowledge understanding, and the most important point is to improve the learning interests of the students and the enthusiasm for scientific exploration. This requires our device to be able to do the following:
A. the operation is simple, the phenomenon is visual, clear and beautiful, and the time consumption is low;
B. designing an experimental scheme by combining the teaching content of the middle school;
C. the demonstration device is portable, simple to operate and safe.
Disclosure of Invention
The invention aims to provide a neon reproduction comprehensive demonstration instrument, which can sequentially carry out demonstration operations in a two-dimensional demonstration area, a three-dimensional demonstration area and a physical demonstration area, wherein the demonstration device can be used for carrying out demonstration from simple to difficult to be layered, reproduction, analysis of the generation of the neon and the rainbow in sequence from two-dimensional to three-dimensional to physical models are carried out, and the operation is simple, the phenomenon is visual, clear and attractive, and the time consumption is low.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a comprehensive demonstration instrument for neon reproduction, which comprises a bearing frame and a demonstration table; the bearing frame is in running fit with the demonstration table; the peripheral side surface of the demonstration table is provided with an annular channel; the annular channel is in running fit with a movable light source assembly;
the surface of the demonstration table is fixedly connected with a Y-shaped partition plate; the Y-shaped partition plate divides the demonstration table into a two-dimensional demonstration area, a three-dimensional demonstration area and a real object demonstration area;
the surface of the two-dimensional demonstration area is fixedly connected with a culture dish; the surface of the two-dimensional demonstration area is positioned at the periphery of the culture dish and is provided with a curved light screen; the peripheral side surface of the two-dimensional demonstration area is fixedly connected with a C-shaped sliding rail; the C-shaped sliding rail is in sliding fit with a first moving pair; the surface of the first movable pair is fixedly connected with a mounting sleeve; the mounting sleeve is sleeved with a laser pen 12;
the surface of the three-dimensional demonstration area is fixedly connected with a slide rail with a ruler; the sliding rail of the auxiliary ruler is in sliding fit with a second moving pair; the surface of the second movable pair is fixedly connected with a base; the surface of the base is fixedly connected with a glass ball; the surface of the three-dimensional demonstration area is provided with a light screen component;
the surface of the real object demonstration area is fixedly connected with an experiment box; the surface of the real object demonstration area is positioned outside the experiment box and is provided with a water circulation device in a penetrating way.
Further, the bearing frame comprises a bearing rod; the bottom surface of the bearing rod is fixedly connected with a bearing plate in a circumferential array distribution manner; one end of the bearing rod is fixedly connected with a rotating sleeve; a limiting channel is formed in the inner wall of the rotating sleeve; the bottom surface of the demonstration table is fixedly connected with a connecting shaft; a limit rail is fixedly connected to the peripheral side surface of the connecting shaft; and the limit rail is in running fit with the limit channel.
Further, the mobile light source assembly comprises an annular slide rail; the annular sliding rail is in sliding fit with the annular channel; the peripheral side surface of the annular sliding rail is fixedly connected with a connecting plate; one end of the connecting plate is fixedly provided with a plane mirror at a certain inclination angle; the side surface of the connecting plate is fixedly connected with a mounting frame; one end of the mounting frame is provided with a spotlight flashlight at a certain inclination angle.
Further, the surface of the connecting plate is fixedly connected with a first positioning block; the surfaces of the two-dimensional demonstration area and the real object demonstration area are fixedly connected with second positioning blocks; the surfaces of the first positioning block and the second positioning block are provided with splicing holes; and a plug rod is inserted and matched between the two plug holes.
Further, first positioning holes are distributed on the surface of the two-dimensional demonstration area in a circumferential array; the curved light screen is made of elastic corrugated paper; the side surfaces of the two ends of the curved light screen are provided with second positioning holes; a first positioning rod is inserted and matched between the two second positioning holes and the corresponding first positioning holes.
Further, a threaded rod is in running fit between the two inner side surfaces of the C-shaped sliding rail; one end of the threaded rod is fixedly connected with an annular handle; the side surface of the first movable pair is fixedly connected with a threaded sleeve; the threaded sleeve is in threaded rotation fit with the threaded rod.
Further, third positioning holes are distributed on the surface of the sliding rail with the ruler in a linear array; a fourth positioning hole is formed in the surface of the second movable pair; and a second positioning rod is inserted and matched between the fourth positioning hole and the corresponding third positioning hole.
Further, the screener assembly includes a main screener; side screens are symmetrically arranged on two sides of the main screen; the main light screen and the side face of the experimental box are provided with light inlets.
Further, the water circulation device comprises a C-shaped water pipe; the bottom surface of the demonstration table is fixedly connected with a water tank; the bottom surface of the water tank is provided with a water pump; one end of the C-shaped water pipe is fixedly connected with the water delivery end of the water pump, and a spray head is arranged on the peripheral side surface of the C-shaped water pipe above the experiment box; the other end of the C-shaped water pipe is arranged in water in the water tank, and the peripheral side surface of the C-shaped water pipe is provided with a water quantity adjusting knob; the bottom surface runs through in the experimental box and is provided with the funnel.
The invention has the following beneficial effects:
1. the invention considers the content and the demand of teaching at all levels (especially middle school teaching), and the device can be divided into three parts from two-dimensional to three-dimensional to physical layering experimental demonstration: the two-dimensional simulation part, the three-dimensional simulation part and the live-action reproduction part can be demonstrated from simple to difficult in layering, the rainbow and neon generation can be analyzed and reproduced progressively from two dimensions to three dimensions in the sequence of the physical model, the operation is simple, the phenomenon is visual, clear and attractive, the time consumption is low, and the teaching is convenient.
2. The invention simulates the light path in a single two-dimensional plane of a spherical water droplet by using the laser pen 12 to enter the water-carrying culture dish; the optical path is increased by arranging the plane mirror, so that experimental errors are reduced; simulating neon phenomenon of single spherical water drop by using glass ball; the square light screen with the round opening at the center is designed, meanwhile, the purpose of filtering out excessive light through useful light is achieved, and side light screens are arranged on two sides to form a light screen assembly, so that the rainbow and neon light with larger radius differences can be respectively received, and the demonstration device is portable, easy to operate and safe.
3. According to the invention, the sliding rail with the ruler is arranged on the three-dimensional simulation part, so that the same-screen imaging of the rainbow and the neon can be realized, the sliding distance can be read out, and the calculation of related parameters is convenient.
4. The invention realizes water-saving circulation by designing the water circulation device at the real object demonstration part, and ensures that the water yield of the spray head is controllable.
5. The invention has strong expansibility, and can also be used for carrying out expansibility tests such as 'exploring different liquid neon phenomena', 'measuring the refractive index of glass spheres', and the like.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the neon reproduction comprehensive demonstration instrument of the present invention.
Fig. 2 is a schematic view of another angle of the neon reproduction integrated demonstrator of the present invention.
Fig. 3 is an enlarged schematic view of the structure a of fig. 2 according to the present invention.
Fig. 4 is a schematic view of the structure of the demonstration table in the bottom view.
Fig. 5 is a schematic structural view of a mobile light source assembly according to the present invention.
Fig. 6 is a schematic structural view of the load-bearing frame of the present invention.
FIG. 7 is a schematic diagram of a two-dimensional demonstration area simulation portion of the present invention.
FIG. 8 is a schematic diagram of a simulated portion of a three-dimensional demonstration area of the present invention.
Fig. 9 is a schematic diagram of a reproduction section of a physical presentation area according to the present invention.
FIG. 10 is a schematic diagram of the principles of iridescence formation in accordance with the present invention.
Fig. 11 is a schematic view of the neon forming principle of the present invention.
FIG. 12 is a schematic illustration of the principles of iridescence and neon formation of the present invention.
Fig. 13 is a schematic diagram of the two-dimensional planar expansion principle of the present invention.
FIG. 14 is a schematic diagram of the iridescence imaging principle of the present invention.
Fig. 15 is a schematic view of the human eye viewing angle observation of the present invention.
Fig. 16 is a schematic diagram of the principle of the invention for forming a rainbow by green laser incidence.
FIG. 17 is a view of the α in FIG. 16 scenario of the present invention C And θ.
Fig. 18 is a schematic diagram of the principle of the invention for forming a rainbow by green laser incidence.
FIG. 19 is a view of the invention at 18 Neon And θ.
In the drawings, the list of components represented by the various numbers is as follows:
the water quality control device comprises a 1-bearing frame, a 2-demonstration table, a 3-annular channel, a 4-movable light source component, a 5-Y-shaped partition plate, a 6-two-dimensional demonstration area, a 7-three-dimensional demonstration area, an 8-physical demonstration area, a 9-C-shaped slide rail, a 10-first movable pair, a 11-mounting sleeve, a 12-laser pen 12, a 13-attached ruler slide rail, a 14-second movable pair, a 15-base, a 16-glass ball, a 17-light screen component, a 18-experiment box, a 19-water circulating device, a 20-bearing rod, a 21-bearing plate, a 22-rotating sleeve, a 23-limiting channel, a 24-connecting shaft, a 25-limiting rail, a 26-annular slide rail, a 27-connecting plate, a 28-plane mirror, a 29-mounting frame, a 30-concentrating torch, a 31-first positioning block, a 32-second positioning block, a 33-plug hole, a 34-plug-in rod, a 35-first positioning hole, a 36-second positioning hole, a 37-first positioning rod, a 38-threaded rod, a 39-annular handle, a 40-threaded sleeve, a 41-third positioning hole, a 42-fourth positioning hole, a 43-fourth positioning rod, a 44-48-positioning funnel, a 48-side water inlet, a 48-water pump, a 48-channel, a water inlet, a 48-positioning channel, a water pump, a 48-C-positioning device, a water pump, a 48-positioning, a water pump, a water supply, a 48-fixtures, a water tank, a water supply, a 48-and a water tank, a water supply, a 48-supply, a water supply, a 48-and a water tank.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the invention discloses a neon reproduction comprehensive demonstration instrument, which comprises a bearing frame 1 and a demonstration table 2; the bearing frame 1 is in rotary fit with the demonstration table 2; the side surface of the circumference of the demonstration table 2 is provided with an annular channel 3; the annular channel 3 is matched with a movable light source assembly 4 in a rotating way;
the surface of the demonstration table 2 is fixedly connected with a Y-shaped partition plate 5; the Y-shaped partition plate 5 divides the demonstration table 2 into a two-dimensional demonstration area 6, a three-dimensional demonstration area 7 and a real object demonstration area 8; the two-dimensional demonstration area 6, the three-dimensional demonstration area 7 and the physical demonstration area 8 can be demonstrated from simple to difficult in layering, and can be reproduced and analyzed in sequence from two dimensions to three dimensions to the physical model, so that the method is simple in operation, visual in phenomenon, clear, attractive, less in time consumption and convenient for teaching
The surface of the two-dimensional demonstration area 6 is fixedly connected with a culture dish 52; the surface of the two-dimensional demonstration area 6 is positioned at the periphery of the culture dish 52 and is provided with a curved light screen 53; the side surface of the periphery of the two-dimensional demonstration area 6 is fixedly connected with a C-shaped sliding rail 9; the C-shaped sliding rail 9 is in sliding fit with a first moving pair 10; the surface of the first movable pair 10 is fixedly connected with a mounting sleeve 11; the mounting sleeve 11 is sleeved with a laser pen 12; the laser pen 12 is driven to move by moving the first moving pair 10, so that the laser incident angle is adjusted; by changing the laser pen 12 with different colors, the position relation between the rainbow and the neon under the irradiation of the laser with different colors is observed;
the surface of the three-dimensional demonstration area 7 is fixedly connected with an attached ruler sliding rail 13; the auxiliary ruler slide rail 13 is in sliding fit with a second moving pair 14; the surface of the second movable pair 14 is fixedly connected with a base 15; the surface of the base 15 is fixedly connected with a glass ball 16; the surface of the three-dimensional demonstration area 7 is provided with a light screen assembly 17;
the surface of the real object demonstration area 8 is fixedly connected with an experiment box 18; the surface of the real object demonstration area 8 is positioned outside the experiment box 18 and is provided with a water circulation device 19 in a penetrating way; by the arrangement of the water circulation device 19, water-saving circulation is realized, and the water yield of the spray head is controllable.
Wherein the bearing frame 1 comprises a bearing rod 20; the bottom surface of the bearing rod 20 is fixedly connected with a bearing plate 21 in a circumferential array distribution; one end of the bearing rod 20 is fixedly connected with a rotary sleeve 22; a limiting channel 23 is formed in the inner wall of the rotary sleeve 22; the bottom surface of the demonstration table 2 is fixedly connected with a connecting shaft 24; the side surface of the periphery of the connecting shaft 24 is fixedly connected with a limit rail 25; the limit rail 25 is in rotary fit with the limit channel 23; through the normal running fit of spacing rail 25 and spacing channel 23 for demonstration table 2 can rotate on bearing frame 1, the teaching of being convenient for is practical.
Wherein the mobile light source assembly 4 comprises an annular slide rail 26; the annular slide rail 26 is in sliding fit with the annular channel 3; the side surface of the circumference of the annular sliding rail 26 is fixedly connected with a connecting plate 27; one end of the connecting plate 27 is fixedly provided with a plane mirror 28 at a certain inclination angle; the side surface of the connecting plate 27 is fixedly connected with a mounting frame 29; one end of the mounting frame 29 is provided with a spotlight flashlight 30 at a certain inclination angle; the surface of the connecting plate 27 is fixedly connected with a first positioning block 31; the surfaces of the two-dimensional demonstration area 6 and the real object demonstration area 8 are fixedly connected with a second positioning block 32; the surfaces of the first positioning block 31 and the second positioning block 32 are provided with inserting holes 33; a plug rod 34 is inserted and matched between the two plug holes 33; by rotating the demonstration table 2 to replace different demonstration areas and fixing the first positioning block 31 and the second positioning block 32 together through the inserting connection rod 34, the light emitted by the plane mirror 28 irradiated by the spotlight flashlight 30 vertically enters the light inlet 46.
Wherein, the surface of the two-dimensional demonstration area 6 is distributed with first positioning holes 35 in a circumferential array; the curved surface light screen 53 is made of elastic corrugated paper; second positioning holes 36 are formed in the side surfaces of the two ends of the curved light screen 53; a first positioning rod 37 is inserted and matched between the two second positioning holes 36 and the corresponding first positioning holes 35; the opening size of the curved-surface screener 53 is adjusted by inserting the two first positioning rods 37 into the two second positioning holes 36 in sequence.
Wherein, threaded rods 38 are matched between the two inner side surfaces of the C-shaped slide rail 9 in a rotating way; one end of the threaded rod 38 is fixedly connected with an annular handle 39; the side surface of the first movable pair 10 is fixedly connected with a threaded sleeve 40; the threaded sleeve 40 is in threaded rotational engagement with the threaded rod 38; the annular handle 39 is rotated to drive the threaded rod 38 to rotate, so that the first moving pair 10 is driven to move along the C-shaped sliding rail 9, and the incident angle of the laser pen 11 is adjusted.
Wherein, the surface of the sliding rail 13 with the ruler is provided with third positioning holes 41 in a linear array distribution; the surface of the second moving pair 14 is provided with a fourth positioning hole 42; a second positioning rod 43 is inserted and matched between the fourth positioning hole 42 and the corresponding third positioning hole 41; by moving the second moving pair 14, the glass ball 16 is driven to move along the attached ruler sliding rail 13 together, so that the distance between the glass ball 16 and the main light screen 44 is adjusted.
Wherein the screener assembly 17 comprises a primary screener 44; side light screens 45 are symmetrically arranged on two sides of the main light screen 44; the main light screen 44 and the side of the experimental box 18 are provided with light inlets 46.
Wherein the water circulation device 19 comprises a C-shaped water pipe 47; the bottom surface of the demonstration table 2 is fixedly connected with a water tank 48; the bottom surface of the water tank 48 is provided with a water pump 49; one end of the C-shaped water pipe 47 is fixedly connected with the water delivery end of the water pump 49, and a spray head 50 is arranged on the peripheral side surface of the C-shaped water pipe above the experiment box 18; the other end of the C-shaped water pipe 47 is arranged in the water tank 48, and the peripheral side surface of the C-shaped water pipe is provided with a water quantity adjusting knob 51; the inner bottom surface of the experiment box 18 is provided with a funnel 54 in a penetrating way; the water pump 49 is started to pump water in the water tank 48 through one end of the C-shaped water pipe 47, the other end of the C-shaped water pipe is pumped out, part of the water is sprayed into the experiment box 18 through the spray head 50 to form water drops, and the water flow is controlled through the control adjusting knob 51.
Referring to fig. 7-19, the specific working principle and operation steps of the present invention are:
1. introduction to the apparatus
The 'neon reproduction experiment demonstration instrument' manufactured by the group is used for carrying out layering experiment demonstration from two dimensions to three dimensions to real objects, and the content and the requirement of teaching (especially middle school teaching) of each level are considered. The device can be divided into three parts: a two-dimensional simulation part, a three-dimensional simulation part and a live-action reproduction part.
1. Two-dimensional simulation part
The part is composed of a laser pen 12, a C-shaped slide rail 9, a culture dish 52, a curved light screen 53 and the like, and is used for simulating the rainbow forming and neon forming light paths of a two-dimensional ideal plane as shown in fig. 7.
Specification data: the inner width of the sliding rail is 8.2cm;
the curved light screen 53 is formed by bending corrugated paper at a plurality of cut parts at one side, and the opening size is adjustable;
the culture dish 52 has a diameter of 10cm and a height of 2cm;
2. three-dimensional simulation part
This part is composed of a spotlight flashlight 30, a plane mirror 28, a main side light screen 45, a glass ball 16, a C-shaped slide rail 9 and the like, as shown in fig. 8. When parallel light in a space is simulated to be incident into a single small water droplet, neon forming light and rainbow forming light are formed, and the simulation is a two-dimensional simulation progressive experiment.
Specification data: the main light screen 44 is a square with the diameter of 22 multiplied by 22cm, and the diameter of the light inlet 46 is 10cm;
the side light screen 45 is 30cm long and 21cm wide;
the diameter of the glass ball 16 is 10cm;
the inner width of the C-shaped sliding rail 9 is 8.4cm;
3. live-action reproduction section
This section is composed of a flashlight 30, a mirror 28, a test chamber 18, a water circulation device 19, and the like, as shown in fig. 9. To simulate the actual conditions of neon light. Is a progressive experiment of three-dimensional simulation.
Specification data: the test chamber 18 is 54.6cm long, 60.5cm wide and 62.2cm high;
the power of the water pump 49 is 60w;
2. principle of experiment
1. Qualitative interpretation of rainbow and neon phenomena
1.1 qualitative interpretation of two-dimensional situations
To better explain the cause of the formation of rainbow and neon, first, a two-dimensional circular medium is analyzed for incidence of parallel light. The first refraction occurs when parallel light is injected into the circular medium. Since the refractive indices of the various monochromatic lights constituting the white light are different. Thus, light will be dispersed in a circular medium (for a more visual depiction of the optical paths, only the lowest refractive index red light and the highest refractive index violet light are shown in the picture, with other color optical paths in between). This refracted light continues to propagate within the circular medium, with a portion being reflected back upon encountering another interface of the medium, and upon exiting, again being refracted back into the air. Thus, a portion of natural light is refracted twice and reflected once in the medium, and it is possible to form a rainbow, as shown in fig. 10; whereas if a portion of natural light is refracted and reflected twice in the medium, neon may be formed, as shown in fig. 11.
The angle between the incident light ray and the emergent light ray is called a deflection angle alpha, as shown in fig. 10 and 11.
For monochromatic light, the extreme value angle theta exists in different incident angles through calculation 0 For iridescence, the angle of refraction increases gradually in the course of increasing the incident angle from 0 degree to 90 degrees, and the incident angle is the extreme value angle theta 0 Maximum and then gradually decreasing, as shown in fig. 12, with the opposite sign. The rate of change of the deflection angle of the incident angle near the extremum angle is the smallest, and a large number of light rays are concentrated in this angle range, so that the light rays near the extremum angle are the light rays which finally form the rainbow or neon, and we call the light rays as the rainbow-forming light rays and the neon-forming light rays.
1.2 qualitative interpretation of three-dimensional situations
In the three-dimensional case we can consider it as an extension of two-dimensional planar circular media. The incident light L and the sphere center of the spherical medium are made into a plane, so that the analysis result of the two-dimensional plane can be obtained, as shown in fig. 13.
The diameter of the ball in the direction of the incident light is taken as an axis, and the rainbow light rotates around the axis for one circle, so that a light cone is formed, and the same is true. For iridescence, the light rays of the iridescence fill the interior of the light cone, and the maximum deflection angle of the light rays of different colors is different due to the different refractive indexes of the light rays in the medium, so that the angle for forming the light cone is also changed. The red light cone angle is the largest, the orange light is the largest, the yellow light, the green light, the blue light, the indigo light and the purple light are sequentially reduced, and finally a color cone formed by overlapping a plurality of light cones is formed, and the colors of the light cones are respectively red, orange, yellow, green, blue, indigo and purple from outside to inside, as shown in fig. 14. The interior of the purple light cone is white because seven colors of light rays can reach.
The neon light is positioned outside the light cone, the angle of the purple light cone is the largest, the blue light, the green light, the yellow light, the orange light and the red light are sequentially reduced, and finally a color light cone is also formed. The color of the light cone is red, orange, yellow, green, blue, indigo and purple from inside to outside, and the light cone of purple light is white because the light rays of seven colors can reach outside, which is opposite to the iris.
1.3 qualitative interpretation of actual conditions
The rainbow and neon are extensions of three-dimensional parts seen in practice. The calculated deflection angle of red light in the rainbow light is 42.36 degrees, and the deflection angle of purple light is 40.67 degrees, as shown in fig. 15. When the visual angle center line of the human eye is parallel to the incident light direction, and the small water drop is positioned at the visual angle of the human eye of 42.36 degrees, the red light in the light cone emitted by the small water drop just enters the human eye. A red ring is thus observed on a circle with a viewing angle of 42.36 degrees to the human eye. When the small water drop is positioned at the visual angle of 40.67 degrees of human eyes, the purple light in the light cone emitted by the small water drop just enters the human eyes, so that a purple circular ring is observed on the circle with the visual angle of 40.67 degrees of human eyes. Similarly, the rings of other colors are positioned between the red and purple rings, and finally, rainbow is observed; the same is true for neon.
Between the cones of light of the rainbow and neon, a dark band, the Alexander dark band, is formed because no light is reflected, refracted. In general, people can only see the upper half of the ring, and only in sunny days, standing on the top of a mountain or in a cabin of a aircraft to see downwards, the full view of the rainbow and the neon, namely the complete ring, can be seen because the ground is shielded.
2. Quantitative analysis of the principles of Rainbow and Neon
2.1 Snell's law
Light is an electromagnetic wave, and the color of light is determined by the frequency of the wave. In the range of human eyes, the frequency of red light is minimum, and the frequency of purple light is maximum. Light is incident on interfaces of different media and can be reflected and refracted, the incident light and the refracted light are positioned on the same plane, and the included angle between the incident light and the normal meets the following relation:
n 1 *nθ 1 ＝n 2 *nθ 2 (1)
wherein n1 and n 2 Refractive index of two media, θ 1 And theta 2 The angle between the incident light (or refracted light) and the normal is called the angle of incidence and angle of refraction, respectively. This law is called snell's law. Although the speed of light of various frequencies in vacuum is equal to 3.0X108 m/s, the refractive index of monochromatic light of different frequencies is different due to the effect of the medium when the monochromatic light propagates in the medium, for example, the refractive index of the medium to red light is small and the refractive index to purple light is large.
2.2 optical principles of Rainbow and Neon (two-dimensional case, medium is water)
To better understand the optical principles of the rainbow and neon, we have used the method of adding water to the petri dish 52 to analyze the light path law in two dimensions. For more visual study, the experiment was performed using green laser.
As shown in fig. 16, when the green laser light is incident at an incident angle θ, it is generally subjected to refraction-refraction, refraction-reflection-refraction;
we analyzed the red light, setting the refraction angle as θ'. According to the geometric relationship, the following steps are obtained:
n 1 sinθ 1 ＝n 2 sinθ 2 according to the Snell's law, get:
according to formulas (2) and (3), the refractive index a of red light in water is obtained Neon = 1.3311. Alpha can be plotted C The image as a function of θ is shown in fig. 17.
From the function graph we can see that the deflection angle alpha increases as the light increases at the angle of incidence θ C The increase is followed by the decrease.
At a red light incident angle θ of 59.52 °, the deflection angle α C The maximum value of 42.36 is taken. Therefore, when red light enters a water drop at an incident angle of 59.52 ° (this light is also called an iridescent light), other light in the vicinity thereof approaches the angle of deflection of the iridescent light when it exits from the water drop. It can be seen that most of emergent light is concentrated in the direction of emergent rays forming rainbow rays, and people can see the rainbow phenomenon just because of the concentrated light. And at this point the angle between the final refracted ray and the incident ray is 42.36 deg., which is known as the "rainbow angle" of red light. The red part of the rainbow we see is all around this angle. In addition, the rainbow angle of each color light is slightly different because the refractive index of the water drop to the different color light is different. Such as for purple light alpha Neon = 1.3428, the rainbow angle can be calculated to be 40.67 °.
Except that computer image method is used to calculate alpha C Besides the function relation with theta, a derivative method can be used:
according to formulas (2) and (3), obtain
Through calculation, the following steps are obtained:
2.2.2 characteristics of the refraction-reflection-refraction path
When light enters at an incident angle θ, the phenomenon of finally emitting water drops is called neon.
We analyzed red light with a refraction angle θ'. As shown in fig. 18; we analyzed the red light, setting the refraction angle as θ'. According to the geometric relationship, the following steps are obtained:
a neon ＝180+2θ-6θ·(S)
According to the Snell's law, get:
according to formulas (5) and (6), the refractive index alpha of red light in water is obtained C = 1.3311. Can draw a C The image as a function of θ is shown in fig. 19.
From the functional image (fig. 19), we can see that the deflection angle a is as the light increases at the angle of incidence θ Neon Decreasing and increasing, the deflection angle a is the angle of incidence θ of 59.52 ° for red light Neon The minimum value of 50.39 is taken. Therefore, when red light enters a water drop at an incident angle of 59.52 ° (this light is also called neon light), other light in the vicinity thereof approaches the angle of deflection of the neon light when it exits from the water drop. In addition, the refractive index of the water drops to different colored lights is different, so that the deflection angles of the colored lights are slightly different. For purple light a Neon 1.3428 the deviation angle a of the violet light can be calculated Neon The minimum value 71.53 ° was taken.
2.3 optical principles of Rainbow and Neon (three-dimensional case, glass as medium)
The three-dimensional situation can be said to be an expansion of the two-dimensional situation, and we can summarize according to the two-dimensional rule by making a plane with the direction of light and the center of the glass sphere 16. By qualitative interpretation we have obtained a rainbow-like color cone of light. In the case of glass with a refractive index of approximately 1.5 for light, the angle of the cone of light from the neon is calculated to be 22.84 ° and 86.87 °, respectively.
In addition, the brightness difference exists between the rainbow and the neon, and the brightness of the rainbow is obviously higher than that of the neon through daily life and experiments, so that under the condition of a common rainbow, people can only obviously see the rainbow, but can hardly see the neon. We calculated by:
since the parallel light irradiates the water drop, only a part of the light beam near the extreme angle can form observable rainbow and neon. Let us note that the offset angle corresponding to the extremum angle of the incident angle is α, and when the incident angle is closer to the extremum angle, the offset angle is also in the vicinity of α. We refer to the incident ray corresponding to the range of deflection angles α±c.1 as the effective incident ray.
From previous calculations, the angle of refraction of the iris was 42.516 °, and the corresponding range of incidence angles for the effective incident light was (57.438 °,61.683 °). The angle of deflection of the neon is 50.101 °, and the range of incidence angles of the corresponding effective incident light rays is (70.483 °,73.379 °).
Let the luminous flux of light passing through a small water drop be
The effective incident ray of the iris:
effective incident light of neon:
2.3.1s wave and p wave:
for electric vector E 1 Plane waves are incident perpendicular to the plane of incidence and parallel to the plane of incidence. And the amplitude and phase relationship between the reflected light and the refracted light are not the same, it is necessary to discuss these two cases separately. Vector E of electricity 1 Is decomposed into two mutually perpendicular components, s-wave and p-wave. Wherein the electric vector of s-wave is perpendicular to the incident plane. The electric vector of the p-wave is parallel to the plane of incidence. Since sunlight can be regarded as approximately parallel light in a natural phenomenon, and is also natural light, it is necessary to decompose natural light into s-waves and p-waves and calculate reflectance and transmittance, respectively.
2.3.2 reflection coefficient and transmission coefficient of s wave and p wave
According to the fresnel formula,
the amplitude ratio of the reflected wave of s wave to the incident wave is called the reflection coefficient r of s wave 5 ：
The amplitude ratio of the refracted wave of s wave to the incident wave is called the transmission coefficient t of s wave 5 ：
The amplitude ratio of the reflected wave to the incident wave of the p wave is called the reflection coefficient r of the s wave p ：
The amplitude ratio of the refracted wave of the p wave to the incident wave is called the transmission coefficient t of the s wave p ：
The energy relationship of the incident wave, the reflected wave and the refracted wave can also be obtained by the fresnel formula. R and T are referred to as reflectivity and transmissivity, respectively. When light is emitted from air into the medium, the incident angle is set to be θ, and the refraction angle is set to be θ'. The expression that the reflectivity and transmissivity of s-wave can be obtained is:
the expression of the reflectivity and the transmissivity of the p-wave is:
iridescent light is obtained by refraction-reflection-refraction of light in water. Since natural light is split into s-waves and p-waves and their energies are equal, both equal to half the natural light energy, for iridescence θ= 59.587 °, therefore:
also, the light of neon is obtained by refraction-reflection-refraction of light in water, θ= 71.940 ° for neon, and therefore:
therefore, the luminance ratio of the neon to the neon:
3. experimental procedure
1. Two-dimensional simulation part
1.1 Experimental procedure
(1) The culture dish 52, the first movable pair 10, the green laser pen 12, and the curved light screen 53 are placed at the corresponding positions of the base, and a piece of light path auxiliary paper is placed under the culture dish 52. An appropriate amount of water (about 2mm from the surface of the liquid to the mouth of the dish) was poured into the dish 52
(2) The laser pen 12 is leaned against the first mobile pair 10, the first mobile pair 10 and the laser pen 12 are slid, the light path change in the culture dish 52 is observed, the light spots on the curved light screen 53 are observed, and the light spots of the rainbow and the neon are respectively determined.
(3) And selecting a certain position to stop the movement of the first moving pair 10, recording the light spot position of green light on the curved-surface light screen 53 at the position, and then replacing the laser pen 12 with a different color to observe the position difference between the light spot of the laser pen and the light spot of green light on the curved-surface light screen 53 at the position. And recording analysis is performed.
2. Three-dimensional simulation part
2.1 Experimental procedure
(1) The light tool (the light focusing flashlight 30, the plane mirror 28, the light screen assembly 17, the second moving pair 14, the glass ball 16 and the base 15 of the glass ball 16) is installed to the corresponding position, the light focusing flashlight 30 is opened, the plane mirror 28 is finely adjusted to enable light to vertically enter the belt Kong Guangbing, and symmetrical and clear images are observed on the periphery of the light screen round hole and the side light screen 45 by the finely adjusted glass ball 16.
(2) After (1), a clear spectrum (red, orange, yellow, green, blue, indigo, violet, in order from outside to inside) is observed on the main screen 44 (circular aperture screen), which is a rainbow. It should be noted that the iridescence is generated by the parallel light incident on the round glass sphere 16, and is the same as the rainbow principle formed by the water droplets but has different relevant parameters. The side light screen 45 and the base are observed to have light bands, and the colors are (violet, indigo, blue, green, yellow, orange and red) sequentially from inside to outside, namely the spectrum formed by the neon light on the light screen. It should be noted that the light band of neon appears to be several straight lines, but is parabolic in nature, but the polished line opening is larger, appearing to be straight.
(3) The second pair 14 is moved to observe an increase in the radius of the circular spectrum of the iris, a widening of each band, a movement of the bar spectrum of the neon in the same direction of movement, and a slight widening of the color band. The sliding base 15 is continued to observe that the spectrum of the rainbow is transferred to the side light screen 45, and is in a remarkable parabolic shape, and the value of a is smaller (the parabolic opening is smaller) relative to the neon, so that the spectrums of the rainbow and the neon are on the side light screen 45. At this time, the difference between the rainbow and the neon can be observed in comparison. Differences in color band distribution order, brightness, parabolic opening size, sharpness, etc. can be observed, and the comparison is obvious.
(4) Resetting the second kinematic pair 14 sandwiches the checkered paper on the primary screen 44 and a circular spectrum of iridescence is observed to appear on the checkered paper. Taking a color band, taking a red light band as an example, taking more than three points on the red light band on the square paper, marking, and reading the position value on the base attached ruler sliding rail 13 at the moment. The base 15 is slid a distance and the above steps are repeated. And taking off the check paper. And paving the square paper on the larger white paper, finding out the circle center of the circle where the drawn point is located by using a ruler-ruler drawing method, calculating the radius difference delta R of the two circles, and calculating the sliding distance delta l. Substitution formula:
the approximate cone angle of the red light can be calculated. And the angles of other light rays can be calculated in the same way.
Taking red light as an example, when the points are taken at each position in the above steps, the points are taken at the upper and lower boundaries of the red color band respectively when the points are taken at the same position. The experiment was performed as described above. The radius of the four circles at two positions is measured to be small to large and is r respectively 1 、r 2 、r 3 、r 4 The sliding distance deltal,
substitution formula:
the upper and lower limits of the red cone angle can be calculated. The cone angle range of other chromatic light can be calculated by the same method.
(5) Notice matters
In this part of the experiment, attention should be paid to the normal incidence of light, and the line between the center of the glass sphere 16 and the center of the circular hole is perpendicular to the main light screen 44. In addition, stray light interference should be avoided when needed (e.g., when multiple "rainbow" spectra are present on the primary screen 44 or when contrast is too low due to too bright ambient conditions). Generally, the experiment can be performed under indoor normal illumination, but the experimental precision can be effectively improved by adjusting the dimming of the room. The neon phenomenon of a single spherical water drop is simulated by using the round glass ball 16, so that the phenomenon can be effectively amplified, and observation analysis and parameter measurement can be performed in an ideal laboratory environment. It is only necessary to avoid confusion of the refractive indices of the glass spheres 16 and the water droplets during analysis.
3. Live-action reproduction section
3.1 Experimental procedure
(1) The spotlight flashlight 30 is turned on, the light path is adjusted until light enters the light inlet 46 of the test box 18, and the indoor lamplight is adjusted to be proper (the darker the condition allows, the better the dark observation effect).
(2) A proper amount of water is added into the water storage barrel, the water circulation device 19 is opened, and the fine adjustment spray head 50 and the water stop are clamped until the water is discharged properly.
(3) Neon and Alexander dark bands were observed. Under the condition of permitting condition, the mobile phone exposure can be carried out, and a phenomenon picture with clear record can be shot by adjusting camera parameters.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (9)
1. The neon reproduction comprehensive demonstration instrument comprises a bearing frame (1) and a demonstration table (2); the bearing frame (1) is in rotary fit with the demonstration table (2);
the method is characterized in that:
an annular groove (3) is formed in the peripheral side face of the demonstration table (2); the annular channel (3) is in rotary fit with a movable light source assembly (4);
the surface of the demonstration table (2) is fixedly connected with a Y-shaped partition plate (5); the Y-shaped partition plate (5) divides the demonstration table (2) into a two-dimensional demonstration area (6), a three-dimensional demonstration area (7) and a real object demonstration area (8);
the surface of the two-dimensional demonstration area (6) is fixedly connected with a culture dish (52); a curved light screen (53) is arranged on the surface of the two-dimensional demonstration area (6) and positioned at the periphery of the culture dish (52); the peripheral side surface of the two-dimensional demonstration area (6) is fixedly connected with a C-shaped sliding rail (9); the C-shaped sliding rail (9) is in sliding fit with a first moving pair (10); the surface of the first movable pair (10) is fixedly connected with a mounting sleeve (11); the mounting sleeve (11) is sleeved with a laser pen 12 (12);
the surface of the three-dimensional demonstration area (7) is fixedly connected with a ruler-attached sliding rail (13); the auxiliary ruler sliding rail (13) is in sliding fit with a second moving pair (14); the surface of the second moving pair (14) is fixedly connected with a base (15); the surface of the base (15) is fixedly connected with a glass ball (16); the surface of the three-dimensional demonstration area (7) is provided with a light screen assembly (17);
the surface of the real object demonstration area (8) is fixedly connected with an experiment box (18); the surface of the real object demonstration area (8) is positioned outside the experiment box (18) and is provided with a water circulation device (19) in a penetrating way.
2. The neon reproduction integrated presentation apparatus according to claim 1, wherein the bearing frame (1) comprises a bearing rod (20); the bottom surface of the bearing rod (20) is fixedly connected with a bearing plate (21) in a circumferential array distribution manner; one end of the bearing rod (20) is fixedly connected with a rotary sleeve (22); a limiting channel (23) is formed in the inner wall of the rotating sleeve (22); the bottom surface of the demonstration table (2) is fixedly connected with a connecting shaft (24); a limit rail (25) is fixedly connected to the peripheral side surface of the connecting shaft (24); the limit rail (25) is in rotary fit with the limit channel (23).
3. The neon reproduction integrated presentation apparatus as set forth in claim 1, wherein the mobile light source assembly (4) includes an annular slide rail (26); the annular sliding rail (26) is in sliding fit with the annular channel (3); the peripheral side surface of the annular sliding rail (26) is fixedly connected with a connecting plate (27); one end of the connecting plate (27) is fixedly provided with a plane mirror (28) at a certain inclination angle; the side surface of the connecting plate (27) is fixedly connected with a mounting frame (29); one end of the mounting frame (29) is provided with a spotlight flashlight (30) at a certain inclination angle.
4. A neon reproduction integrated presentation instrument as claimed in claim 3, wherein the surface of the connection plate (27) is fixedly connected with a first positioning block (31); the surfaces of the two-dimensional demonstration area (6) and the real object demonstration area (8) are fixedly connected with second positioning blocks (32); the surfaces of the first positioning block (31) and the second positioning block (32) are provided with inserting holes (33); a plug rod (34) is inserted and matched between the two plug holes (33).
5. The neon reproduction comprehensive demonstration instrument according to claim 1, wherein the surface of the two-dimensional demonstration area (6) is provided with first positioning holes (35) in a circumferential array distribution; the curved surface light screen (53) is made of elastic corrugated paper; the side surfaces of the two ends of the curved light screen (53) are provided with second positioning holes (36); a first positioning rod (37) is inserted and matched between the two second positioning holes (36) and the corresponding first positioning holes (35).
6. The neon reproduction comprehensive demonstration instrument according to claim 1, wherein a threaded rod (38) is in rotary fit between the two inner side surfaces of the C-shaped slide rail (9); one end of the threaded rod (38) is fixedly connected with an annular handle (39); the side surface of the first movable pair (10) is fixedly connected with a threaded sleeve (40); the threaded sleeve (40) is in threaded rotary fit with the threaded rod (38).
7. The neon reproduction comprehensive demonstration instrument according to claim 1, wherein the surface of the attached ruler sliding rail (13) is provided with third positioning holes (41) in a linear array distribution; a fourth positioning hole (42) is formed in the surface of the second moving pair (14); a second positioning rod (43) is inserted and matched between the fourth positioning hole (42) and the corresponding third positioning hole (41).
8. The neon reproduction integrated presentation apparatus as set forth in claim 1, wherein the screener assembly (17) includes a main screener (44); side screens (45) are symmetrically arranged on two sides of the main screen (44); the main light screen (44) and the side surface of the experiment box (18) are both provided with light inlets (46).
9. The neon reproduction integrated presentation apparatus as claimed in claim 1, wherein the water circulation means (19) comprises a C-shaped water pipe (47); the bottom surface of the demonstration table (2) is fixedly connected with a water tank (48); a water pump (49) is arranged on the bottom surface of the water tank (48); one end of the C-shaped water pipe (47) is fixedly connected with the water delivery end of the water pump (49), and a spray head (50) is arranged on the peripheral side surface of the C-shaped water pipe above the experiment box (18); the other end of the C-shaped water pipe (47) is arranged in water in the water tank (48), and the peripheral side surface of the C-shaped water pipe is provided with a water quantity adjusting knob (51); the inner bottom surface of the experiment box (18) is provided with a funnel (54) in a penetrating way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111386192.0A CN113920834B (en) | 2021-11-22 | 2021-11-22 | Neon reproduction comprehensive demonstration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111386192.0A CN113920834B (en) | 2021-11-22 | 2021-11-22 | Neon reproduction comprehensive demonstration instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113920834A CN113920834A (en) | 2022-01-11 |
| CN113920834B true CN113920834B (en) | 2023-04-28 |
Family
ID=79247922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111386192.0A Active CN113920834B (en) | 2021-11-22 | 2021-11-22 | Neon reproduction comprehensive demonstration instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113920834B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114995014B (en) * | 2022-06-29 | 2024-06-07 | 佛山科学技术学院 | Rainbow and neon deflection angle measuring device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2498686Y (en) * | 2001-08-13 | 2002-07-03 | 张菊良 | Rainbow-forming demonstrator |
| CN201667161U (en) * | 2009-10-27 | 2010-12-08 | 沈晶晶 | Demo device for stimulating rainbow |
| CN102637379A (en) * | 2012-05-04 | 2012-08-15 | 南京大学 | Multiple rainbow demonstration device |
| CN203588546U (en) * | 2013-10-14 | 2014-05-07 | 天津得瑞丰凯新材料科技有限公司 | Color rainbow principle demonstrating apparatus |
| EP2952952A1 (en) * | 2014-06-05 | 2015-12-09 | Hejtec GmbH | Device for production of an artificial starry sky |
-
2021
- 2021-11-22 CN CN202111386192.0A patent/CN113920834B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2498686Y (en) * | 2001-08-13 | 2002-07-03 | 张菊良 | Rainbow-forming demonstrator |
| CN201667161U (en) * | 2009-10-27 | 2010-12-08 | 沈晶晶 | Demo device for stimulating rainbow |
| CN102637379A (en) * | 2012-05-04 | 2012-08-15 | 南京大学 | Multiple rainbow demonstration device |
| CN203588546U (en) * | 2013-10-14 | 2014-05-07 | 天津得瑞丰凯新材料科技有限公司 | Color rainbow principle demonstrating apparatus |
| EP2952952A1 (en) * | 2014-06-05 | 2015-12-09 | Hejtec GmbH | Device for production of an artificial starry sky |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113920834A (en) | 2022-01-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7352340B2 (en) | Display system having a three-dimensional convex display surface | |
| Freeman | Optics | |
| Gilbert | Physics in the Arts | |
| CN104156916A (en) | Light field projection method used for scene illumination recovery | |
| CN107437355B (en) | Statistics figure shows instructional device | |
| CN113920834B (en) | Neon reproduction comprehensive demonstration instrument | |
| Sobel | Light | |
| Vollmer et al. | Laboratory experiments in atmospheric optics | |
| CN114360348B (en) | Three-dimensional light path experiment demonstration method | |
| CN113823160B (en) | Rainbow presenting, measuring and controlling device | |
| Pompea et al. | Using misconceptions research in the design of optics instructional materials and teacher professional development programs | |
| Cowley et al. | Rings around the sun and moon: coronae and diffraction | |
| Großmann et al. | Artificially generated halos: rotating sample crystals around various axes | |
| Hon et al. | Kepler's optical part of astronomy (1604): Introducing the ecliptic instrument | |
| Miller et al. | Smartphone schlieren | |
| Staubermann | Making stars: projection culture in nineteenth-century German astronomy | |
| CN217085966U (en) | Simple rainbow and neon reproducing device | |
| CN114627732A (en) | Simple rainbow and neon reproducing device and method | |
| CN211237480U (en) | Aperture formation of image science popularization presentation device with adjustable diaphragm | |
| Dougal et al. | Then and now: James Clerk Maxwell and colour | |
| US3280478A (en) | Optical demonstration method and apparatus | |
| CN107991837A (en) | Curtain of enhancing projection brightness and contrast based on total reflection and preparation method thereof | |
| Wirth | The camera obscura as a model of a new concept of mimesis in seventeenth-century painting | |
| CN112951054A (en) | Aperture formation of image science popularization presentation device with adjustable diaphragm | |
| Isik | A circumzenithal arc to study optics concepts with geometrical optics |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |