CN107316551B - Extend the experimental provision of water linear gradient temperature field scale - Google Patents
Extend the experimental provision of water linear gradient temperature field scale Download PDFInfo
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- CN107316551B CN107316551B CN201710543689.6A CN201710543689A CN107316551B CN 107316551 B CN107316551 B CN 107316551B CN 201710543689 A CN201710543689 A CN 201710543689A CN 107316551 B CN107316551 B CN 107316551B
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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 extending water linear gradient temperature field scale, temperature monitor and cuboid transparent sink are provided on pedestal, one side wall is equipped with semiconductor refrigerating plate rack in cuboid transparent sink, 1 semiconductor chilling plate is provided on semiconductor refrigerating plate rack, semiconductor refrigerating plate rack is made of thermally induced flow frame and cold water conservancy diversion frame, thermally induced flow frame is the first strut and the second strut that are provided with equal length along the vertical direction and are parallel to each other on the side wall of transparent sink, the end of first strut and the second strut is provided with thermal conductivity flowing plate, cold guide support is the third strut and the 4th strut for being provided with equal length along the vertical direction on the side wall of the underface transparent sink of thermally induced flow bracket and being parallel to each other, the end of third strut and the 4th strut is provided with cold deflector, it is provided between second strut and third strut and partly leads Body cooling piece.
Description
Technical field
The invention belongs to physics experiment teaching Instrument technology fields, and in particular to a kind of extension water linear gradient temperature field
The experimental provision of scale.
Background technique
The bending transmission characteristic of light, both disclosed the physical essence of natural phenomenas such as " mirage " in non-uniform dielectric,
Research in the long light paths transmission field such as atmospheric optics, laser communication, fiber optic communication, laser remote sensing and Gradient index optics again
Very extensive application is obtained in the modern science and technology such as the design of component and manufacture.However people to light in non-uniform dielectric
In bending transport phenomena, there is a degree of mystique always.This aspect is the light straight line formed from childhood due to people
On the other hand " deep-rooted " for propagating concept is in daily life visually in visible range, it is difficult to positioned at the side of light
The bending transport phenomena of face observation light.This all gives the transmission characteristic of light in student's profound understanding non-uniform dielectric and its applies 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
Understanding of the student to light-transfer characteristic in non-uniform dielectric is being deepened in the demonstration of relationship between refractive index gradient size, direction,
Strengthen application and designed capacity of the student to light-transfer characteristic in non-uniform dielectric, it is especially universal towards students in middle and primary schools and the public
Knowledge is transmitted in bending of light in non-uniform dielectric, understands its application aspect in modern science and technology, all has very important meaning
Justice.
" experimental provision (patent No. L201510358994.9) for establishing gradient temperature field in water is public for Chinese invention patent
A kind of device for establishing gradient temperature field in water using the semiconductor chilling plate 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 sink, on each semiconductor refrigerating plate rack
It is provided with 1 semiconductor chilling plate, semiconductor refrigerating plate rack and semiconductor chilling plate are immersed in the water ".Though this structure feature
Gradient temperature field can be quickly so established in water, the water in sink is made to become Graded-index medium, realize light in non-homogeneous Jie
The experimental demonstration of transmission characteristic in matter.But the gradient temperature field that this structure is established in water is in the linear gradient model of vertical direction
Enclose very little (such as Fig. 2, linear gradient temperature range only have 3-4cm), light in sink during horizontal transport can quickly into
Enter nonlinear gradient temperature region (nonlinear gradient refractive index area), so that gradient refractive index of the Quantitative study light in sink
Transmission characteristic in rate medium is extremely difficult.Therefore, a kind of experiment of scale for extending sink linear gradient temperature field is designed
Device is very important for transmission characteristic of the quantitative study light in non-uniform dielectric.
Summary of the invention
Technical problem to be solved by the present invention lies in overcome the existing experimental provision for establishing gradient temperature field in water
Disadvantage provides the extension water that a kind of design is reasonable, structure is simple, facilitates transmission characteristic of the quantitative study light in non-uniform dielectric
The experimental provision of linear gradient temperature field scale.
Solving technical solution used by above-mentioned technical problem is: being provided with temperature monitor on pedestal and cuboid is transparent
Sink, one side wall is equipped with semiconductor refrigerating plate rack in cuboid transparent sink, is provided with 1 on semiconductor refrigerating plate rack
Semiconductor chilling plate, semiconductor refrigerating plate rack are made of thermally induced flow frame and cold water conservancy diversion frame, and thermally induced flow frame is the side of transparent sink
The first strut vertical with the side wall and equal length being arranged along the vertical direction on wall and the second strut, the first strut and second
The end of strut is provided with thermal conductivity flowing plate, and cold water conservancy diversion frame is on the side wall of the underface transparent sink of thermally induced flow frame along vertical
The third strut vertical with the side wall and equal length and the 4th strut of direction setting, the end of third strut and the 4th strut
It is provided with cold deflector, the length of third strut is greater than the length of the first strut, is provided between the second strut and third strut
Semiconductor chilling plate, semiconductor chilling plate medial surface are hot face.
As a kind of perferred technical scheme, the thermal conductivity flowing plate is vertical with the first strut；The cold deflector with
Third strut is vertical.
As a kind of perferred technical scheme, the semiconductor chilling plate, that is, vertical second strut, and vertical third branch
Bar, upper end and the thermal conductivity flowing plate lower end of semiconductor chilling plate fit closely.
As a kind of perferred technical scheme, the length of the third strut is the length 1.2~1.5 of the first strut
Times.
As a kind of perferred technical scheme, thermal conductivity flowing plate and cold deflector are the identical rectangle poly (methyl methacrylate) plate of structure.
Beneficial effects of the present invention are as follows:
The present invention, which uses to be arranged above semiconductor chilling plate below thermal conductivity flowing plate and semiconductor chilling plate, is arranged cold water conservancy diversion
The blocking guide functions of plate, thermal conductivity flowing plate and cold deflector, the heat extended between the hot and cold water of semiconductor chilling plate generation are right
Distance is flowed, forms the gradient temperature shown in Fig. 3 for extending linear gradient temperature scale in the water on the right side of semiconductor chilling plate
, make the 3-4cm of the scale of linear gradient temperature as shown in Figure 2, is extended to 11-12cm shown in Fig. 3.This large scale
Linear gradient temperature field ensure that easy solution in experiment in the always on property gradient temperature field of transmission track of laser beam
The technological difficulties of student experimenting room quantitative study light transmission characteristic in non-uniform dielectric.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is patent No. ZL201510358994.9, patent name " establishing the experimental provision of gradient temperature field 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.
Specific embodiment
The present invention is described in more detail with reference to the accompanying drawings and examples, but the present invention is not limited to following embodiment party
Formula.
Embodiment 1
In Fig. 1, the experimental provision of the extension water linear gradient temperature field scale of the present embodiment is by transparent sink 1, the
One strut 2, thermal conductivity flowing plate 3, the second strut 4, semiconductor chilling plate 5, third strut 6, cold deflector 7, the 4th strut 8, temperature
Detector 9, pedestal 10 connect and compose.
10 upper left side of pedestal is equipped with temperature monitor 9, and right side is equipped 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 first strut 2 vertical with the side wall and equal length and the second strut 4,2 He of the first strut are fixedly installed on vertical direction
The end of second strut 4 is equipped with thermal conductivity flowing plate 3, and thermal conductivity flowing plate 3 is perpendicular to the first strut 2 and the second strut 4, the first strut 2
Thermally induced flow frame is constituted with the second strut 4 and thermal conductivity flowing plate 3, positioned at the interior left side wall of the underface transparent sink 1 of thermally induced flow frame
On vertical with the side wall and equal length third strut 6 and the 4th strut 8, the length of third strut 6 are installed along the vertical direction
Degree is 1.4 times of 2 length of the first strut, and the end of third strut 6 and the 4th strut 8 is equipped with cold deflector 7, cold deflector 7
Perpendicular to third strut 6 and the 4th strut 8, third strut 6 and the 4th strut 8 and cold deflector 7 constitute cold water conservancy diversion frame, thermal conductivity
Flowing plate 3 and cold deflector 7 are the identical rectangle poly (methyl methacrylate) plate of structure, are equipped between the second strut 4 and third strut 6 and partly lead
Body cooling piece 5, semiconductor chilling plate 5 are vertical second strut 4, and vertical third strut 6, the upper end of semiconductor chilling plate 5 with
3 lower end of thermal conductivity flowing plate fits closely, and the left side of semiconductor chilling plate 5 is hot face.
The water of the hot face of semiconductor chilling plate 5 heating of energization migrates upwardly along the left side of thermal conductivity flowing plate 3, due to thermal conductivity
The blocking guide functions of flowing plate 3, the water after heating can only move to all the way up the upper end of thermal conductivity flowing plate 3 along thermal conductivity flowing plate 3；
5 huyashi-chuuka (cold chinese-style noodles) of semiconductor chilling plate water after cooling is migrated downward into along the huyashi-chuuka (cold chinese-style noodles) of semiconductor chilling plate 5, due to the resistance of cold deflector 7
Keep off guide functions, water after cooling can only migrate always the bottom to sink (see shown in the arrow in Fig. 1).Therefore, because half
The blocking guide functions of the cold deflector 7 of 5 lower section of thermal conductivity flowing plate 3 and semiconductor chilling plate of 5 top of conductor cooling piece, extend
The thermal convection distance between hot and cold water that semiconductor chilling plate 5 generates, by the detection of temperature monitor in semiconductor chilling plate 5
The gradient temperature field shown in Fig. 3 for extending linear gradient temperature range 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 first strut 2 vertical with the side wall and equal length and the second strut 4, the first strut 2 are fixedly installed on along the vertical direction
Thermal conductivity flowing plate 3 is installed with the end of the second strut 4, thermal conductivity flowing plate 3 is perpendicular to the first strut 2 and the second strut 4, the first strut
2 and second strut 4 and thermal conductivity flowing 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 with the side wall and equal length third strut 6 and the 4th strut 8, the length of third strut 6 are installed along the vertical direction
Degree is 1.2 times of 2 length of the first strut, and the end of third strut 6 and the 4th strut 8 is equipped with cold deflector 7, cold deflector 7
Perpendicular to third strut 6 and the 4th strut 8, third strut 6 and the 4th strut 8 and cold deflector 7 constitute cold water conservancy diversion frame.Other
The connection relationship of components and components 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 first strut 2 vertical with the side wall and equal length and the second strut 4, the first strut 2 are fixedly installed on along the vertical direction
Thermal conductivity flowing plate 3 is installed with the end of the second strut 4, thermal conductivity flowing plate 3 is perpendicular to the first strut 2 and the second strut 4, the first strut
2 and second strut 4 and thermal conductivity flowing 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 with the side wall and equal length third strut 6 and the 4th strut 8, the length of third strut 6 are installed along the vertical direction
Degree is 1.5 times of 2 length of the first strut, and the end of third strut 6 and the 4th strut 8 is equipped with cold deflector 7, cold deflector 7
Perpendicular to third strut 6 and the 4th strut 8, third strut 6 and the 4th strut 8 and cold deflector 7 constitute cold water conservancy diversion frame.Other
The connection relationship of components and components is same as Example 1.
Claims (3)
1. a kind of experimental provision for extending water linear gradient temperature field scale, is provided with temperature monitor (9) on pedestal (10)
With cuboid transparent sink (1), cuboid transparent sink (1) interior one side wall is equipped with semiconductor refrigerating plate rack, semiconductor system
1 semiconductor chilling plate (5) is provided on 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 that is arranged along the vertical direction on the side wall of transparent sink (1)
Deng the first strut (2) and the second strut (4), the end of the first strut (2) and the second strut (4) is provided with thermal conductivity flowing plate (3),
Thermal conductivity flowing plate (3) is vertical with the first strut (2), and cold water conservancy diversion frame is the side wall of the underface transparent sink (1) positioned at thermally induced flow frame
On the third strut (6) vertical with the side wall and equal length that is arranged along the vertical direction and the 4th strut (8), third strut
(6) it is provided with cold deflector (7) with the end of the 4th strut (8), cold deflector (7) is vertical with third strut (6), third strut
(6) length is greater than the length of the first strut (2), is provided with semiconductor chilling plate between the second strut (4) and third strut (6)
(5), semiconductor chilling plate (5) medial surface is hot face, the semiconductor chilling plate (5) not only vertical second strut (4), but also vertical
Third strut (6), upper end and thermal conductivity flowing plate (3) lower end of semiconductor chilling plate (5) fit closely.
2. the experimental provision of extension water linear gradient temperature field scale according to claim 1, it is characterised in that: described
The length of third strut (6) be 1.2~1.5 times of length of the first strut (2).
3. the experimental provision of extension water linear gradient temperature field scale according to claim 1, it is characterised in that: thermal conductivity
Flowing plate (3) and cold deflector (7) are the identical rectangle poly (methyl methacrylate) plate of structure.
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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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| 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 true 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 |
|---|
| 梯度折射率介质中光传输特性实验系统的研制;耿玉;《中国优秀硕士学位论文全文数据库》;20170415;23-35 * |
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