CN220420103U - Schlieren teaching equipment - Google Patents
Schlieren teaching equipment Download PDFInfo
- Publication number
- CN220420103U CN220420103U CN202321734537.1U CN202321734537U CN220420103U CN 220420103 U CN220420103 U CN 220420103U CN 202321734537 U CN202321734537 U CN 202321734537U CN 220420103 U CN220420103 U CN 220420103U
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- schlieren
- top surface
- fixedly connected
- connecting pipe
- light source
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- 238000003384 imaging method Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 7
- 230000001105 regulatory effect Effects 0.000 description 8
- 239000007921 spray Substances 0.000 description 6
- 210000001503 joint Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model relates to the technical field of schlieren, and discloses a schlieren teaching device, which comprises a placing plate, wherein the bottom surface of the placing plate is fixedly connected with supporting legs, the top surface of the placing plate is fixedly connected with a handle, the top surface of the placing plate is provided with a schlieren imaging device, and the schlieren imaging device comprises: the bottom surface of controller and the top surface fixed connection of placing the board, this teaching schlieren equipment is when using, through filling gas in the gas pitcher of interface, when adjusting the air-vent valve, gas passes the output rate that the connecting pipe can be more accurate control gas through the flowmeter, change the gaseous attribute in the gas pitcher simultaneously, can image the observation to the gaseous state of multiple attribute, through adjusting the interval of LED light source, beam splitter on T shape rail, can make the LED light source shine more even, make the imaging effect clear more obvious, convenient observation, it is more accurate convenient to adjust, can use multiple gas to make experimental effect better.
Description
Technical Field
The utility model relates to the technical field of schlieren, in particular to schlieren teaching equipment.
Background
The schlieren, also called schlieren field indicator, is a traditional device for measuring and displaying the distribution and density gradient of fluid in the flow field in an optical way, and can be widely used for observing boundary layers of air flow, combustion, shock waves, cold-heat convection in air and wind tunnel or water tunnel flow fields.
The existing schlieren imaging device irradiates on the imaging plate through the knife edge mostly through the fixed light source when in use, so that imaging penetration is carried out on the imaging plate, but the light source of most schlieren imaging devices is fixed, the observation mode is single and simple, the observation content in experiments and teaching is limited, the angle and the distance can be possibly caused to be inaccurate when the whole light source is moved, the imaging effect is poor and the like.
Disclosure of Invention
The utility model aims to provide a schlieren teaching device for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a schlieren equipment of teaching, includes places the board, the bottom surface fixedly connected with supporting leg of placing the board, the top surface fixedly connected with handle of placing the board, the top surface of placing the board is provided with schlieren image device, schlieren image device includes: the bottom surface of the controller is fixedly connected with the top surface of the placing plate, the bottom surface of the placing plate is fixedly connected with a gas tank, the right end of the gas tank is communicated with and fixedly connected with an inflation interface, the right end of the gas tank is communicated with and fixedly connected with a connecting pipe, the connecting pipe penetrates through the placing plate and is fixedly connected with the placing plate, a pressure regulator and a flowmeter are arranged at the middle part of the connecting pipe, a pressure gauge is arranged at the top end of the connecting pipe, and a pressure regulating valve is arranged in the middle of the connecting pipe; the bottom surface of speculum group and the top surface fixed connection of placing the board, adjust the voltage regulator, open the air-vent valve after adjusting to make the light source that speculum group reflection back receive gaseous fluctuation influence, the one end fixedly connected with shower nozzle of gas pitcher is kept away from to the connecting pipe, the low end fixedly connected with bracket of shower nozzle, the one end that the shower nozzle was kept away from to the bracket and place board top surface fixed connection.
Preferably, the top surface fixedly connected with T shape rail of board is placed, the top surface sliding connection of T shape rail has the CCD camera, the top surface sliding connection of T shape rail has edge of a knife and beam splitter, the top surface sliding connection of T shape rail has the LED light source, and the light source passes through beam splitter and edge of a knife and transmits to the CCD camera in, through adjusting the interval of LED light source, beam splitter on T shape rail, can make the LED light source shine more evenly, makes the imaging better clear obvious, convenient observation.
Preferably, the LED light sources are aligned with the mirror group and are the same in height.
Preferably, the light splitting sheet is arranged between the reflector group and the LED light source, the LED light source is turned on, the light source irradiates and passes through the light splitting sheet, and finally irradiates on the reflector group, and when the light source irradiates on the reflector group.
Preferably, the heights of the CCD camera, the knife edge, the light splitting sheet and the LED light source can be adjusted at will.
Preferably, the top light piece part of the light splitting piece can rotate by an angle.
Compared with the prior art, the utility model provides the schlieren teaching equipment, which has the following beneficial effects:
this teaching schlieren equipment is when using, fill gas in with the gas pitcher through aerifing the interface, when adjusting the air-vent valve, gas passes the output rate that the connecting pipe can be more accurate control gas through the flowmeter, change the gaseous attribute in the gas pitcher simultaneously, can image the observation to the gaseous state of multiple attribute, through adjusting the interval of LED light source, beam splitter on T shape rail, can make the LED light source shine more evenly, make the imaging better clear obvious, convenient observation, it is more accurate convenient to adjust, can use multiple gas to make experimental effect better.
Drawings
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is a left-hand structural schematic diagram of the present utility model;
fig. 3 is a schematic rear view of the present utility model.
In the figure: 1. placing a plate; 2. schlieren imaging device; 21. a controller; 22. a gas tank; 23. an inflation interface; 24. a connecting pipe; 25. a voltage regulator; 26. a flow meter; 27. a pressure regulating valve; 28. a pressure gauge; 29. a mirror group; 210. a spray head; 211. a bracket; 212. a T-shaped rail; 213. a CCD camera; 214. a knife edge; 215. a light splitting sheet; 216. an LED light source; 3. support legs; 4. a handle.
Detailed Description
As shown in fig. 1-3, the present utility model provides a technical solution: the utility model provides a schlieren equipment of imparting knowledge to students, includes places board 1, places the bottom surface fixedly connected with supporting leg 3 of board 1, places the top surface fixedly connected with handle 4 of board 1, places the top surface of board 1 and is provided with schlieren image device 2, and schlieren image device 2 includes: the controller 21, the bottom surface of the controller 21 is fixedly connected with the top surface of the placing plate 1, the bottom surface of the placing plate 1 is fixedly connected with the gas tank 22, the right end of the gas tank 22 is communicated and fixedly connected with the inflation interface 23, the right end of the gas tank 22 is communicated and fixedly connected with the connecting pipe 24, the connecting pipe 24 penetrates through the placing plate 1, the connecting pipe 24 is fixedly connected with the placing plate 1, the middle part of the connecting pipe 24 is provided with the pressure regulator 25 and the flowmeter 26, the top end of the connecting pipe 24 is provided with the pressure gauge 28, and the middle part of the connecting pipe 24 is provided with the pressure regulating valve 27; the bottom surface of the reflector group 29 is fixedly connected with the top surface of the placing board 1, the pressure regulator 25 is regulated, the pressure regulating valve 27 is opened after the regulation is finished, so that gas in the gas tank 22 moves to the spray nozzle 210 through the connecting pipe 24 to be sprayed out, the light source reflected back by the reflector group 29 is affected by fluctuation of the gas, one end of the connecting pipe 24, which is far away from the gas tank 22, is fixedly connected with the spray nozzle 210, the lower end of the spray nozzle 210 is fixedly connected with the bracket 211, and one end of the bracket 211, which is far away from the spray nozzle 210, is fixedly connected with the top surface of the placing board 1. The top surface fixedly connected with T shape rail 212 of board 1 is placed to the top surface fixedly connected with CCD camera 213 of T shape rail 212, the top surface sliding connection of T shape rail 212 has knife edge 214 and beam split piece 215, the top surface sliding connection of T shape rail 212 has LED light source 216, the light source passes through beam split piece 215 and knife edge 214 and transmits to CCD camera 213 in, directly observe the motion state of gas in the air through the display screen of connection, when regulating air-vent valve 27, the gas passes connecting pipe 24 and can more accurate control the output rate of gas through flowmeter 26, change the gas attribute in the gas pitcher 22 simultaneously, can image the observation to the state of multiple attribute gas, through adjusting LED light source 216, the interval of beam split piece 215 on T shape rail 212, can make LED light source 216 shine more evenly, make the imaging effect better clear obvious, convenient observation. The LED light sources 216 are aligned in position and at the same height as the mirror set 29. The light splitting sheet 215 is disposed between the mirror group 29 and the LED light source 216, the display is in butt joint with the CCD camera 213, the LED light source 216 is turned on by the controller 21, the light source irradiates and passes through the light splitting sheet 215, and finally irradiates on the mirror group 29, and when the light source irradiates on the mirror group 29. The heights of the CCD camera 213, the knife edge 214, the light splitting sheet 215 and the LED light source 216 can be adjusted at will. The top light sheet portion of the light splitting sheet 215 may be rotated by an angle.
Working principle: when the schlieren teaching equipment is used, the gas tank 22 is filled with gas through the inflation interface 23, the display is in butt joint with the CCD camera 213, the LED light source 216 is turned on through the controller 21, the light source irradiates and passes through the light splitting sheet 215, finally, the light source irradiates on the reflecting mirror group 29, when the light source irradiates on the reflecting mirror group 29, the angle of the light splitting sheet 215 is adjusted, the light source passes through the knife edge 214, the knife edge 214 is used for dividing the light source, so that the state of the light source is recorded through the CCD camera 213, the pressure regulator 25 is adjusted, the pressure regulating valve 27 is turned on after the adjustment is finished, the gas in the gas tank 22 is moved to the spray head 210 through the connecting pipe 24, so that the light source reflected back by the reflecting mirror group 29 is influenced by the fluctuation of the gas, the light source directly observes the motion state of the gas in the air through the light splitting sheet 215 and the knife edge 214, when the pressure regulating valve 27 is adjusted, the gas passes through the connecting pipe 24, the output rate of the gas can be controlled more accurately, meanwhile, the gas properties in the gas tank 22 can be changed, the state of the gas with various properties can be imaged, the light source 216 can be observed, the space between the light splitting sheet 215 and the T-shaped rail 212 can be adjusted, the LED light source can be more clearly observed, the LED irradiation effect is more clearly, and the LED can be more convenient, and the LED irradiation effect can be more observed, and clear.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. The utility model provides a schlieren equipment for teaching, includes places board (1), the bottom surface fixedly connected with supporting leg (3) of placing board (1), the top surface fixedly connected with handle (4) of placing board (1), its characterized in that: the top surface of placing board (1) is provided with schlieren image device (2), schlieren image device (2) include:
the controller (21), the bottom surface of controller (21) and the top surface fixed connection of placing board (1), the bottom surface fixedly connected with gas pitcher (22) of placing board (1), the right-hand member UNICOM and the fixedly connected with of gas pitcher (22) aerify interface (23), the right-hand member UNICOM and the fixedly connected with connecting pipe (24) of gas pitcher (22), connecting pipe (24) run through and place board (1), and connecting pipe (24) and place board (1) fixed connection, the mid portion of connecting pipe (24) is provided with pressure regulator (25) and flowmeter (26), the top of connecting pipe (24) is provided with manometer (28), connecting pipe (24) middle part is provided with air-vent valve (27);
the bottom surface of speculum group (29), speculum group (29) and the top surface fixed connection who places board (1), one end fixedly connected with shower nozzle (210) of gas pitcher (22) are kept away from to connecting pipe (24), the low end fixedly connected with bracket (211) of shower nozzle (210), one end that shower nozzle (210) were kept away from to bracket (211) is with the top surface fixed connection who places board (1).
2. The teaching schlieren apparatus of claim 1, wherein: the top surface fixedly connected with T shape rail (212) of placing board (1), the top surface sliding connection of T shape rail (212) has CCD camera (213), the top surface sliding connection of T shape rail (212) has knife edge (214) and beam split piece (215), the top surface sliding connection of T shape rail (212) has LED light source (216).
3. The teaching schlieren apparatus of claim 2, wherein: the LED light sources (216) are aligned in position and at the same height as the mirror group (29).
4. The teaching schlieren apparatus of claim 2, wherein: the light splitting sheet (215) is arranged between the reflecting mirror group (29) and the LED light source (216).
5. The teaching schlieren apparatus of claim 2, wherein: the heights of the CCD camera (213) and the knife edge (214) as well as the beam splitting sheet (215) and the LED light source (216) can be adjusted at will.
6. The teaching schlieren apparatus of claim 2, wherein: the top light sheet part of the light splitting sheet (215) can rotate by an angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321734537.1U CN220420103U (en) | 2023-07-04 | 2023-07-04 | Schlieren teaching equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321734537.1U CN220420103U (en) | 2023-07-04 | 2023-07-04 | Schlieren teaching equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220420103U true CN220420103U (en) | 2024-01-30 |
Family
ID=89653411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321734537.1U Active CN220420103U (en) | 2023-07-04 | 2023-07-04 | Schlieren teaching equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220420103U (en) |
-
2023
- 2023-07-04 CN CN202321734537.1U patent/CN220420103U/en active Active
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