CN107316551A - Extend the experimental provision of water linear gradient temperature field yardstick - Google Patents
Extend the experimental provision of water linear gradient temperature field yardstick Download PDFInfo
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- CN107316551A CN107316551A CN201710543689.6A CN201710543689A CN107316551A CN 107316551 A CN107316551 A CN 107316551A CN 201710543689 A CN201710543689 A CN 201710543689A CN 107316551 A CN107316551 A CN 107316551A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
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- 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
Abstract
A kind of experimental provision for extending water linear gradient temperature field yardstick, temperature monitor and cuboid transparent sink are provided with base, side wall is provided with semiconductor refrigerating plate rack in cuboid transparent sink, 1 semiconductor chilling plate is provided with semiconductor refrigerating plate rack, semiconductor refrigerating plate rack is made up of thermally induced flow frame and cold water conservancy diversion frame, thermally induced flow frame is the first pole and the second pole for being vertically provided with equal length on the side wall of transparent sink and being parallel to each other, the end of first pole and the second pole is provided with thermally induced flow plate, cold guide support is that equal length and the 3rd pole being parallel to each other and the 4th pole are vertically provided with the side wall of the underface transparent sink of thermally induced flow support, the end of 3rd pole and the 4th pole is provided with cold deflector, semiconductor chilling plate is provided between second pole and the 3rd pole.
Description
Technical field
The invention belongs to physics experiment teaching Instrument technology field, and in particular to one kind extension water linear gradient temperature field
The experimental provision of yardstick.
Background technology
The bending transmission characteristic of light, both disclosed the physical essence of natural phenomenas such as " mirage " in non-uniform dielectric,
And research and Gradient index optics in the long light path transmission field such as atmospheric optics, laser communication, fiber optic communication, laser remote sensing
Application widely is obtained in the modern science and technology such as the design and manufacture of component.But people to light in non-uniform dielectric
In bending transport phenomena, there is a certain degree of mystique all the time.This aspect is due to the light straight line that people are formed from childhood
" deep-rooted " of concept is propagated, is on the other hand in daily life visually in visible scope, it is difficult to positioned at the side of light
Observe the bending transport phenomena of light in face.This all to light in student's profound understanding non-uniform dielectric transmission characteristic and its apply band
Very big difficulty is carried out.Obviously, if the transmission track and and medium of light in non-uniform dielectric can be realized using laboratory facilities
The demonstration of relation between refractive index gradient size, direction, the understanding of light-transfer characteristic in in-depth student is to non-uniform dielectric,
Strengthen application and designed capacity of the student to light-transfer characteristic in non-uniform dielectric, particularly popularized towards students in middle and primary schools and the public
Knowledge is transmitted in bending of light in non-uniform dielectric, its application aspect in modern science and technology is understood, all with very important meaning
Justice.
" experimental provision (patent No. L201510358994.9) that gradient temperature is set up in water is public for Chinese invention patent
A kind of device for setting up gradient temperature in water using the semiconductor chilling plate being immersed in water is opened, it is characterized in that " transparent
At least provided with 1 semiconductor refrigerating plate rack on front side wall and rear wall in tank, on each semiconductor refrigerating plate rack
1 semiconductor chilling plate is provided with, semiconductor refrigerating plate rack and semiconductor chilling plate are immersed in the water ".Though this architectural feature
Gradient temperature so can be quickly set up in water, the water in tank is turned into Graded-index medium, realizes that light is situated between non-homogeneous
The experimental demonstration of transmission characteristic in matter.But the gradient temperature that this structure is set up in water is in the linear gradient model of vertical direction
Very little (such as Fig. 2, linear gradient temperature range only has 3-4cm) is enclosed, light can enter quickly in tank during horizontal transport
Enter nonlinear gradient temperature province (nonlinear gradient refractive index area) so that gradient refractive index of the Quantitative study light in tank
Transmission characteristic in rate medium is extremely difficult.Therefore, a kind of experiment for the yardstick for extending tank linear gradient temperature field is designed
Device, is very important for transmission characteristic of the quantitative study light in non-uniform dielectric.
The content of the invention
The technical problems to be solved by the invention are to overcome the existing experimental provision for setting up gradient temperature in water
There is provided a kind of extension water reasonable in design, simple in construction, facilitating transmission characteristic of the quantitative study light in non-uniform dielectric for shortcoming
The experimental provision of linear gradient temperature field yardstick.
Solving the technical scheme that is used of above-mentioned technical problem is：Temperature monitor is provided with base and cuboid is transparent
Side wall is provided with semiconductor refrigerating plate rack, semiconductor refrigerating plate rack and is provided with 1 in tank, cuboid transparent sink
Semiconductor chilling plate, semiconductor refrigerating plate rack is made up of thermally induced flow frame and cold water conservancy diversion frame, and thermally induced flow frame is the side of transparent sink
Vertical and equal length with the side wall the first pole and the second pole vertically set on wall, the first pole and second
The end of pole is provided with thermally induced flow plate, and cold water conservancy diversion frame is along vertical on the side wall of the underface transparent sink of thermally induced flow frame
The end of vertical and equal length with the side wall the 3rd pole and the 4th pole that direction is set, the 3rd pole and the 4th pole
Cold deflector is provided with, the length of the 3rd pole is more than the length of the first pole, is provided between the second pole and the 3rd pole
Semiconductor chilling plate, semiconductor chilling plate medial surface is hot face.
As a kind of perferred technical scheme, described thermally induced flow plate is vertical with the first pole；Described cold deflector with
3rd pole is vertical.
As a kind of perferred technical scheme, described semiconductor chilling plate is vertical second pole, and vertical 3rd
Bar, upper end and the thermally induced flow plate lower end of semiconductor chilling plate are brought into close contact.
As a kind of perferred technical scheme, the length of the 3rd described pole is the length 1.2~1.5 of the first pole
Times.
As a kind of perferred technical scheme, thermally induced flow plate and cold deflector are structure identical rectangle poly (methyl methacrylate) plate.
Beneficial effects of the present invention are as follows：
The present invention sets cold water conservancy diversion using above semiconductor chilling plate below setting thermally induced flow plate and semiconductor chilling plate
The stop guide functions of plate, thermally induced flow plate and cold deflector, extend semiconductor chilling plate generation hot and cold water between it is hot right
Distance is flowed, the gradient temperature for extending linear gradient temperature scale shown in Fig. 3 is formed in the water on the right side of semiconductor chilling plate
, make the 3-4cm of the yardstick of linear gradient temperature as shown in Figure 2, expand to the 11-12cm shown in Fig. 3.This large scale
Linear gradient temperature field, it is ensured that in experiment in the always on property gradient temperature of the transmission track of laser beam, easy solution
The technological difficulties of student experimenting room quantitative study light transmission characteristic in non-uniform dielectric.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is patent No. ZL201510358994.9, patent name《The experimental provision of gradient temperature is set up in water》
Water in vertical direction temperature gradient curve figure.
Fig. 3 is the temperature gradient curve of vertical direction in water in transparent sink 1 of the present invention.
Embodiment
The present invention is described in more detail with reference to the accompanying drawings and examples, but the invention is not restricted to following embodiment party
Formula.
Embodiment 1
In Fig. 1, the experimental provision of the extension water linear gradient temperature field yardstick of the present embodiment is by transparent sink 1, the
One pole 2, thermally induced flow plate 3, the second pole 4, semiconductor chilling plate 5, the 3rd pole 6, cold deflector 7, the 4th pole 8, temperature
Detector 9, base 10 are connected and composed.
The upper left side of base 10 is provided with temperature monitor 9, and right side is provided with transparent sink 1, and the probe of temperature monitor 9 is stretched
Enter into transparent sink 1, the structure of transparent sink 1 is cuboid, the built-in full water of transparent sink 1, left side wall edge in transparent sink 1
The pole 4 of the first pole 2 and second vertical and equal length with the side wall, the He of the first pole 2 are installed with vertical direction
The end of second pole 4 is provided with thermally induced flow plate 3, and thermally induced flow plate 3 is perpendicular to the first pole 2 and the second pole 4, the first pole 2
Thermally induced flow frame is constituted with the second pole 4 and thermally induced flow plate 3, positioned at the interior left side wall of the underface transparent sink 1 of thermally induced flow frame
On vertical and equal length with the side wall the 3rd pole 6 and the 4th pole 8, the length of the 3rd pole 6 are vertically installed
Degree is 1.4 times of the length of the first pole 2, and the end of the 3rd pole 6 and the 4th pole 8 is provided with cold deflector 7, cold deflector 7
Perpendicular to the 3rd pole 6 and the 4th pole 8, the 3rd pole 6 and the 4th pole 8 and cold deflector 7 constitute cold water conservancy diversion frame, thermal conductivity
It is structure identical rectangle poly (methyl methacrylate) plate to flow plate 3 with cold deflector 7, is provided with and partly leads between the second pole 4 and the 3rd pole 6
Body cooling piece 5, semiconductor chilling plate 5 is vertical second pole 4, and vertical 3rd pole 6, the upper end of semiconductor chilling plate 5 with
The lower end of thermally induced flow plate 3 is brought into close contact, and the left surface of semiconductor chilling plate 5 is hot face.
Left side of the water of the hot face of semiconductor chilling plate 5 heating of energization along thermally induced flow plate 3 is migrated upwardly, due to thermal conductivity
The stop guide functions of plate 3 are flowed, the water after heating can only move to the upper end of thermally induced flow plate 3 all the way up along thermally induced flow plate 3；
Huyashi-chuuka (cold chinese-style noodles) of the water along semiconductor chilling plate 5 after the cooling of the huyashi-chuuka (cold chinese-style noodles) of semiconductor chilling plate 5 is migrated downward into, due to the resistance of cold deflector 7
Keep off guide functions, the water after cooling can only migrate the bottom to tank always (see shown in the arrow in Fig. 1).Therefore, because half
The stop guide functions of the thermally induced flow plate 3 of the top of conductor cooling piece 5 and the cold deflector 7 of the lower section of semiconductor chilling plate 5, are extended
Thermal convection current distance between the hot and cold water that semiconductor chilling plate 5 is produced, by the detection of temperature monitor in semiconductor chilling plate 5
The gradient temperature for extending linear gradient temperature range shown in Fig. 3 is formed in the water on right side.
Embodiment 2
The structure of transparent sink 1 is cuboid, the built-in full water of transparent sink 1, left side wall in transparent sink 1 in the present embodiment
The pole 4 of the first pole 2 and second vertical and equal length with the side wall, the first pole 2 are installed with vertically
Thermally induced flow plate 3 is installed with the end of the second pole 4, thermally induced flow plate 3 is perpendicular to the first pole 2 and the second pole 4, the first pole
2 and second pole 4 and thermally induced flow plate 3 constitute thermally induced flow frame, positioned at the interior left side wall of the underface transparent sink 1 of thermally induced flow frame
On vertical and equal length with the side wall the 3rd pole 6 and the 4th pole 8, the length of the 3rd pole 6 are vertically installed
Degree is 1.2 times of the length of the first pole 2, and the end of the 3rd pole 6 and the 4th pole 8 is provided with cold deflector 7, cold deflector 7
Perpendicular to the 3rd pole 6 and the 4th pole 8, the 3rd pole 6 and the 4th pole 8 and cold deflector 7 constitute cold water conservancy diversion frame.Other
The annexation of parts and parts is same as Example 1.
Embodiment 3
The structure of transparent sink 1 is cuboid, the built-in full water of transparent sink 1, left side wall in transparent sink 1 in the present embodiment
The pole 4 of the first pole 2 and second vertical and equal length with the side wall, the first pole 2 are installed with vertically
Thermally induced flow plate 3 is installed with the end of the second pole 4, thermally induced flow plate 3 is perpendicular to the first pole 2 and the second pole 4, the first pole
2 and second pole 4 and thermally induced flow plate 3 constitute thermally induced flow frame, positioned at the interior left side wall of the underface transparent sink 1 of thermally induced flow frame
On vertical and equal length with the side wall the 3rd pole 6 and the 4th pole 8, the length of the 3rd pole 6 are vertically installed
Degree is 1.5 times of the length of the first pole 2, and the end of the 3rd pole 6 and the 4th pole 8 is provided with cold deflector 7, cold deflector 7
Perpendicular to the 3rd pole 6 and the 4th pole 8, the 3rd pole 6 and the 4th pole 8 and cold deflector 7 constitute cold water conservancy diversion frame.Other
The annexation of parts and parts is same as Example 1.
Claims (5)
1. it is provided with temperature monitor (9) on a kind of experimental provision for extending water linear gradient temperature field yardstick, base (10)
With cuboid transparent sink (1), the interior side wall of cuboid transparent sink (1) is provided with semiconductor refrigerating plate rack, semiconductor system
1 semiconductor chilling plate (5) is provided with cold plate rack, it is characterised in that：Semiconductor refrigerating plate rack is by thermally induced flow frame and cold
Water conservancy diversion frame is constituted, and thermally induced flow frame is and the length phase vertical with the side wall vertically set on the side wall of transparent sink (1)
Deng the first pole (2) and the second pole (4), the end of the first pole (2) and the second pole (4) is provided with thermally induced flow plate (3),
Cold water conservancy diversion frame is vertical with the side wall for what is vertically set on the side wall of the underface transparent sink (1) of thermally induced flow frame
And the 3rd pole (6) of equal length and the 4th pole (8), the end of the 3rd pole (6) and the 4th pole (8) is provided with cold lead
Plate (7) is flowed, the length of the 3rd pole (6) is more than the length of the first pole (2), set between the second pole (4) and the 3rd pole (6)
Semiconductor chilling plate (5) is equipped with, semiconductor chilling plate (5) medial surface is hot face.
2. the experimental provision of extension water linear gradient temperature field according to claim 1 yardstick, it is characterised in that：It is described
Thermally induced flow plate (3) it is vertical with the first pole (2)；Described cold deflector (7) is vertical with the 3rd pole (6).
3. the experimental provision of extension water linear gradient temperature field according to claim 1 yardstick, it is characterised in that：It is described
Semiconductor chilling plate (5) be vertical second pole (4), and vertical 3rd pole (6), the upper end of semiconductor chilling plate (5) with
Thermally induced flow plate (3) lower end is brought into close contact.
4. the experimental provision of extension water linear gradient temperature field according to claim 1 yardstick, it is characterised in that：It is described
The 3rd pole (6) length be the first pole (2) 1.2~1.5 times of length.
5. the experimental provision of extension water linear gradient temperature field according to claim 1 or 2 yardstick, it is characterised in that：
Thermally induced flow plate (3) is structure identical rectangle poly (methyl methacrylate) plate with cold deflector (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710543689.6A CN107316551B (en) | 2017-07-05 | 2017-07-05 | Extend the experimental provision of water linear gradient temperature field scale |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710543689.6A CN107316551B (en) | 2017-07-05 | 2017-07-05 | Extend the experimental provision of water linear gradient temperature field scale |
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| CN107316551B CN107316551B (en) | 2019-06-25 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104992600A (en) * | 2015-06-25 | 2015-10-21 | 陕西师范大学 | Experiment apparatus for establishing gradient temperature field in water |
| CN104992601A (en) * | 2015-06-25 | 2015-10-21 | 陕西师范大学 | Experiment apparatus and experiment method for light transmission thermal lens effect in non-uniform temperature field |
| CN105047054A (en) * | 2015-06-25 | 2015-11-11 | 陕西师范大学 | Experiment device and method for the relation between light bending and temperature gradient direction |
-
2017
- 2017-07-05 CN CN201710543689.6A patent/CN107316551B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104992600A (en) * | 2015-06-25 | 2015-10-21 | 陕西师范大学 | Experiment apparatus for establishing gradient temperature field in water |
| CN104992601A (en) * | 2015-06-25 | 2015-10-21 | 陕西师范大学 | Experiment apparatus and experiment method for light transmission thermal lens effect in non-uniform temperature field |
| CN105047054A (en) * | 2015-06-25 | 2015-11-11 | 陕西师范大学 | Experiment device and method for the relation between light bending and temperature gradient direction |
Non-Patent Citations (1)
| Title |
|---|
| 耿玉: "梯度折射率介质中光传输特性实验系统的研制", 《中国优秀硕士学位论文全文数据库》 * |
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