CN112730165A - Ice crystal monitoring devices - Google Patents
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- CN112730165A CN112730165A CN202011590047.XA CN202011590047A CN112730165A CN 112730165 A CN112730165 A CN 112730165A CN 202011590047 A CN202011590047 A CN 202011590047A CN 112730165 A CN112730165 A CN 112730165A
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- 239000013078 crystal Substances 0.000 title claims abstract description 63
- 238000012806 monitoring device Methods 0.000 title claims abstract description 34
- 238000003384 imaging method Methods 0.000 claims abstract description 157
- 238000005286 illumination Methods 0.000 claims abstract description 15
- 239000002245 particle Substances 0.000 claims abstract description 13
- 238000009413 insulation Methods 0.000 claims description 32
- 239000005394 sealing glass Substances 0.000 claims description 26
- 230000001360 synchronised effect Effects 0.000 claims description 12
- 238000007493 shaping process Methods 0.000 claims description 11
- 239000012212 insulator Substances 0.000 claims 1
- 238000004020 luminiscence type Methods 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 9
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 238000005070 sampling Methods 0.000 description 7
- 239000011521 glass Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
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- G01—MEASURING; TESTING
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N2015/1024—Counting particles by non-optical means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N2015/1029—Particle size
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/10—Investigating individual particles
- G01N2015/103—Particle shape
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Abstract
The invention discloses an ice crystal monitoring device, which comprises: the cloud chamber is provided with an imaging end window and a light source end window; an imaging port window assembly mounted on the imaging port window; a light source end window assembly mounted on the light source end window; the light source is arranged outside the cloud chamber and corresponds to the light source end window assembly, and light beams emitted by the light source can form an illumination area in the cloud chamber through the light source end window assembly; the microscopic imaging system is arranged outside the cloud chamber and corresponds to the imaging end window assembly, an imaging view field of the microscopic imaging system can form an imaging observation area for observing ice crystal particles inside the cloud chamber through the imaging end window assembly, and the imaging observation area is located in the illumination area. The ice crystal monitoring device provided by the invention is convenient for monitoring ice crystals in the cloud chamber, and avoids environmental interference.
Description
Technical Field
The invention relates to the technical field of monitoring equipment, in particular to an ice crystal monitoring device.
Background
A cloud chamber is a device that can simulate cloud and ice crystal generation processes in a laboratory. The cloud room can be used for carrying out various cloud physics experiments and is important ground experimental equipment for researching the cloud precipitation physics, artificially influencing weather and other scientific technologies indoors.
In the using process of the cloud chamber, scientific research personnel are required to continuously observe the concentration of the fog drops, measure the shape and the size of the ice crystals, count the number and other parameters. The water mist is usually observed by naked eyes through an observation window, a sampling hole is reserved on a cloud chamber for ice crystals, the ice crystals falling down are carried by a glass slide after being opened at regular time, and then the ice crystals are observed under a microscope and photographed and recorded. In order to simulate the real cloud and mist conditions, the temperature inside the cloud chamber can be set to be 0-40 ℃ according to different experimental conditions, supersaturated mist drops are filled in the cloud chamber, and then ice crystal particles are generated by injecting a catalyst.
However, in the ice crystal observation process, the sampling hole reserved in the cloud chamber needs to be opened frequently for sampling, which easily causes environment exchange inside and outside the cloud chamber, has certain environmental interference, and brings certain influence on the generation and basic characteristics of the ice crystal.
Therefore, how to conveniently monitor the ice crystal inside the cloud chamber and avoid environmental interference is a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of this, the present invention provides an ice crystal monitoring device, so as to monitor ice crystals inside a cloud chamber and avoid environmental interference.
In order to achieve the purpose, the invention provides the following technical scheme:
an ice crystal monitoring device comprising:
the cloud chamber is provided with an imaging end window and a light source end window;
an imaging port window assembly mounted on the imaging port window;
a light source end window assembly mounted on the light source end window;
the light source is arranged outside the cloud chamber and corresponds to the light source end window assembly, and light beams emitted by the light source can form an illumination area in the cloud chamber through the light source end window assembly;
the microscopic imaging system is arranged outside the cloud chamber and corresponds to the imaging end window assembly, an imaging view field of the microscopic imaging system can form an imaging observation area for observing ice crystal particles inside the cloud chamber through the imaging end window assembly, and the imaging observation area is located in the illumination area.
Optionally, the ice crystal monitoring device further comprises a synchronous triggering system;
and the pulse synchronous trigger signal sent by the synchronous trigger system triggers the light source and the microscopic imaging system to synchronously work.
Optionally, in the ice crystal monitoring apparatus, an exposure time of the microscopic imaging system is longer than a light emission duration of the light source.
Optionally, the ice crystal monitoring device further comprises a light source shaping mirror group;
the light source shaping mirror group is positioned between the light source and the light source end window component, and the light source shaping mirror group collimates and shapes light beams emitted by the light source into sheet light beams.
Optionally, in the ice crystal monitoring device, the microscopic imaging system includes an imaging objective lens and an imaging CCD camera;
the imaging objective lens is positioned between the imaging CCD camera and the imaging end window assembly.
Optionally, in the ice crystal monitoring device, the imaging port window assembly includes:
the outer wall of the imaging window heat-insulating cylinder is in matched contact with the inner wall of the imaging end window;
the imaging sealing glass is arranged at one end, close to the cloud chamber, of the imaging window heat insulation cylinder, the edge of the imaging sealing glass is connected with the inner wall of the imaging window heat insulation cylinder, the number of the imaging sealing glass is two, and a first heat insulation air gap is formed between the imaging sealing glass.
Optionally, in the ice crystal monitoring device, a positioning portion is disposed at one end of the imaging window heat insulation cylinder, which is far away from the cloud chamber, and an inner end surface of the positioning portion is in positioning fit with an outer side surface of the cloud chamber.
Optionally, in the ice crystal monitoring apparatus, an imaging objective of the microscopic imaging system is located in the imaging window heat insulation cylinder.
Optionally, in the ice crystal monitoring device, the light source end window assembly includes:
the outer wall of the light source window heat-insulating cylinder is in matched contact with the inner wall of the light source end window;
the light source window heat insulation barrel is arranged in the cloud chamber, the light source window heat insulation barrel is arranged at one end close to the cloud chamber, the edge of the light source window heat insulation barrel is connected with the inner wall of the light source window heat insulation barrel, and two light source seal glasses are arranged to form a second heat insulation air gap between the two light source seal glasses.
Optionally, in the ice crystal monitoring device, a positioning portion is disposed at one end of the light source window heat insulation cylinder, which is far away from the cloud chamber, and an inner end surface of the positioning portion is in positioning fit with an outer side surface of the cloud chamber.
According to the ice crystal monitoring device provided by the invention, the artificial ice crystal particles are formed in the internal space of the cloud chamber, the light beam emitted by the light source can form an illumination area in the cloud chamber through the light source end window assembly, the imaging field of view of the microscopic imaging system can form an imaging observation area for observing the ice crystal particles in the cloud chamber through the imaging end window assembly, and the imaging observation area is positioned in the illumination area, so that the light beam emitted by the light source can illuminate the imaging observation area through the light source end window assembly, and the microscopic imaging system can monitor the ice crystal particles in the imaging observation area in the illumination area through the imaging end window assembly. The light source and the microscopic imaging system are arranged outside the cloud chamber, so that the internal space of the cloud chamber is not occupied, and ice crystals in the cloud chamber can be conveniently monitored by arranging the light source end window assembly and the imaging end window assembly on the cloud chamber; the operation of opening a reserved sampling hole of the cloud chamber for sampling is not needed, a special environment adaptive project is not needed to be designed outside the cloud chamber, and the interference of the monitoring process on the internal environment of the cloud chamber is avoided. In addition, the light source and the microscopic imaging system are arranged outside the cloud chamber, so that the light source and the microscopic imaging system are convenient to arrange and debug, and the later maintenance is also convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an ice crystal monitoring device provided in an embodiment of the present invention;
FIG. 2 is an enlarged partial schematic view of an ice crystal monitoring device provided in accordance with an embodiment of the present invention;
FIG. 3 is a schematic layout of an ice crystal monitoring device according to an embodiment of the present invention;
FIG. 4 is a partial cross-sectional view of an ice crystal monitoring device provided in accordance with an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of an imaging end window assembly provided by an embodiment of the invention;
FIG. 6 is a schematic cross-sectional view of an embodiment of the present invention providing a light source end window assembly;
wherein the content of the first and second substances,
the system comprises a cloud chamber-1, a light source-2, a light source shaping mirror group-3, a light beam-4, a light source end window assembly-5, ice crystal particles-6, an imaging field-7, an imaging end window assembly-8, an imaging objective lens-9, an imaging CCD camera-10, a synchronous trigger system-11, a pulse synchronous trigger signal-12, an imaging window heat insulation cylinder-13, imaging sealing glass-14, a first heat insulation air gap-15, a light source window heat insulation cylinder-16, light source sealing glass-17 and a second heat insulation air gap-18.
Detailed Description
The invention discloses an ice crystal monitoring device, which is used for conveniently monitoring ice crystals in a cloud chamber and avoiding environmental interference.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-4, an ice crystal monitoring device according to an embodiment of the present invention includes a cloud chamber 1, an imaging end window assembly 8, a light source end window assembly 5, a light source 2, and a microscopic imaging system. The cloud chamber 1 is provided with an imaging end window and a light source end window; the imaging end window assembly 8 is arranged on the imaging end window; the light source end window component 5 is arranged on the light source end window; the light source 2 is arranged outside the cloud chamber 1 and corresponds to the light source end window assembly 5, and light beams 4 emitted by the light source 2 can form an illumination area in the cloud chamber 1 through the light source end window assembly 5; the microscopic imaging system is arranged outside the cloud chamber 1 and corresponds to the imaging end window assembly 8, an imaging view field 7 of the microscopic imaging system can form an imaging observation area for observing the ice crystal particles 6 in the cloud chamber 1 through the imaging end window assembly 8, and the imaging observation area is located in the illumination area.
According to the ice crystal monitoring device provided by the embodiment of the invention, the artificial ice crystal particles 6 are formed in the internal space of the cloud chamber 1, the light beam 4 emitted by the light source 2 can form an illumination area in the cloud chamber 1 through the light source end window assembly 5, the imaging field of view 7 of the microscopic imaging system can form an imaging observation area for observing the ice crystal particles 6 in the cloud chamber 1 through the imaging end window assembly 8, and the imaging observation area is positioned in the illumination area, so that the light beam 4 emitted by the light source 2 can illuminate the imaging observation area through the light source end window assembly 5, and the microscopic imaging system can monitor the ice crystal particles 6 in the imaging observation area in the illumination area through the imaging end window assembly 8. The light source 2 and the microscopic imaging system are arranged outside the cloud chamber 1, so that the internal space of the cloud chamber 1 is not occupied, and ice crystals in the cloud chamber 1 can be conveniently monitored by arranging the light source end window assembly 5 and the imaging end window assembly 8 on the cloud chamber 1; the operation of opening the sampling hole reserved in the cloud chamber 1 for sampling is not needed, a special environment adaptive project is not needed to be designed outside the cloud chamber 1, and the interference of the monitoring process on the internal environment of the cloud chamber 1 is avoided. In addition, the light source 2 and the micro-imaging system are arranged outside the cloud chamber 1, so that the light source 2 and the micro-imaging system are convenient to arrange and debug, and later maintenance is also convenient.
The ice crystal monitoring device provided by the embodiment of the invention further comprises a synchronous triggering system 11; the pulse synchronous trigger signal 12 sent by the synchronous trigger system 11 triggers the light source 2 and the microscopic imaging system to work synchronously. The pulse synchronous trigger signal 12 sent by the synchronous trigger system 11 enables the light source 2 and the microscopic imaging system to work synchronously, reduces the influence of the light beam 4 on the interior of the cloud chamber 1 as much as possible, and further avoids environmental interference.
In this embodiment, the exposure time of the microscopic imaging system is longer than the light emission duration of the light source 2. Preferably, in the present embodiment, the light emission duration of the light source 2 is in the order of nanoseconds; the exposure time of the microscopic imaging system is in the order of microseconds, and therefore the exposure time of the microscopic imaging system is much longer than the duration of the light emission of the light source 2, so that the ice crystal particles 6 fall within the exposure time at the moment of being illuminated. The time for the light beam 4 to enter the cloud chamber 1 is shortened as much as possible, so that the influence of the light beam 4 on the inside of the cloud chamber 1 is further reduced, and the environmental interference is further avoided.
In order to facilitate the control of the illumination area, the ice crystal monitoring device provided by the embodiment of the invention further comprises a light source shaping mirror group 3; the light source shaping mirror group 3 is positioned between the light source 2 and the light source end window component 5, and the light source shaping mirror group 3 collimates and shapes the light beam 4 emitted by the light source 2 into a thin light beam. Preferably, the light source 2 is a narrow pulse light source. Of course, the light source shaping mirror group 3 may not be provided. Other lens groups can be arranged between the light source 2 and the light source end window assembly 5, so that the light beam 4 can be shaped into light beams with other structures, which are not repeated one by one and are all within the protection range.
In this embodiment, the microscopic imaging system includes an imaging objective lens 9 and an imaging CCD (Charge Coupled Devices) camera 10; the imaging objective 9 is located between the imaging CCD camera 10 and the imaging end window assembly 8. Of course, other types of imaging cameras may be provided, or the imaging objective 9 may not be provided, only to monitor the effect of the ice crystal particles 6.
As shown in fig. 5, to further reduce environmental interference, the imaging side window assembly 8 includes an imaging window insulating cylinder 13 and an imaging sealing glass 14. The outer wall of the imaging window heat-insulating cylinder 13 is in fit contact with the inner wall of the imaging end window; imaging sealing glass 14 sets up in the one end that imaging window heat insulating cylinder 13 is close to cloud room 1 inside, and imaging sealing glass 14's edge is connected with imaging window heat insulating cylinder 13's inner wall, and imaging sealing glass 14's quantity is two and forms first thermal-insulated air gap 15 between two imaging sealing glass 14. It can be understood that the imaging window heat insulation cylinder 13 is made of a heat insulation material, so that the temperature inside and outside the cloud chamber 1 is effectively prevented from being conducted by the imaging window heat insulation cylinder 13, and the first heat insulation air gap 15 is formed between the two imaging seal glasses 14, so that the heat insulation effect of the position of the imaging seal glass 14 is effectively ensured.
In consideration of convenience in installation and convenience in sealing, one end, far away from the interior of the cloud chamber 1, of the imaging window heat insulation cylinder 13 is provided with a positioning part, and the inner end face of the positioning part is in positioning fit with the outer side face of the cloud chamber 1. In this embodiment, the positioning portion may be an annular structure, so as to effectively seal the space between the imaging window heat-insulating cylinder 13 and the imaging end window.
Further, the imaging objective 9 of the microscopic imaging system is located in the imaging window heat-insulating cylinder 13. Through the arrangement, the structure is compact. In this embodiment, the imaging objective lens 9 may be partially located inside the imaging window heat-insulating cylinder 13, and the other part is located outside the imaging window heat-insulating cylinder 13; of course, it is also possible to have the imaging objective 9 entirely within the imaging window heat-insulating cylinder 13.
As shown in fig. 6, the light source end window assembly 5 includes a light source window heat-insulating cylinder 16 and a light source sealing glass 17. The outer wall of the light source window heat insulation cylinder 16 is in fit contact with the inner wall of the light source end window; the light source sealing glass 17 is arranged at one end, close to the inside of the cloud chamber 1, of the light source window heat insulation cylinder 16, the edge of the light source sealing glass 17 is connected with the inner wall of the light source window heat insulation cylinder 16, the number of the light source sealing glass 17 is two, and a second heat insulation air gap 18 is formed between the two light source sealing glasses 17. It can be understood that the light source window heat insulation cylinder 16 is made of heat insulation materials, the temperature inside and outside the cloud chamber 1 is effectively prevented from being conducted by the light source window heat insulation cylinder 16, and a second heat insulation air gap 18 is formed between the two light source sealing glasses 17, so that the heat insulation effect of the position of the light source sealing glass 17 is effectively ensured. By the arrangement, the environmental interference is further reduced.
In this embodiment, one end of the light source window heat insulation cylinder 16, which is far away from the inside of the cloud chamber 1, is provided with a positioning portion, and an inner end surface of the positioning portion is in positioning fit with an outer side surface of the cloud chamber 1. Through the arrangement, the installation and the convenient sealing are convenient. The positioning portion may be a ring-shaped structure so as to effectively seal the space between the light source window heat-insulating cylinder 16 and the light source end window.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An ice crystal monitoring device, comprising:
the cloud chamber (1), the cloud chamber (1) has imaging end window and light source end window;
an imaging port window assembly (8) mounted on the imaging port window;
a light source end window assembly (5) mounted on the light source end window;
the light source (2) is arranged outside the cloud chamber (1) and corresponds to the light source end window assembly (5), and light beams (4) emitted by the light source (2) can form an illumination area in the cloud chamber (1) through the light source end window assembly (5);
the microscopic imaging system is arranged outside the cloud chamber (1) and corresponds to the imaging end window assembly (8), an imaging view field (7) of the microscopic imaging system can form an imaging observation area for observing ice crystal particles (6) inside the cloud chamber (1) through the imaging end window assembly (8), and the imaging observation area is located in the illumination area.
2. An ice crystal monitoring device according to claim 1, further comprising a simultaneous triggering system (11);
and a pulse synchronous trigger signal (12) sent by the synchronous trigger system (11) triggers the light source (2) and the microscopic imaging system to synchronously work.
3. An ice crystal monitoring device according to claim 2, wherein the exposure time of the microscopic imaging system is greater than the duration of the luminescence of the light source (2).
4. An ice crystal monitoring device according to claim 1, further comprising a light source shaping mirror (3);
the light source shaping mirror group (3) is positioned between the light source (2) and the light source end window component (5), and the light beam (4) emitted by the light source (2) is collimated and shaped into a thin light beam by the light source shaping mirror group (3).
5. An ice crystal monitoring device according to claim 1, wherein the microscopic imaging system comprises an imaging objective lens (9) and an imaging CCD camera (10);
the imaging objective lens (9) is positioned between the imaging CCD camera (10) and the imaging end window assembly (8).
6. An ice crystal monitoring device according to any one of claims 1 to 5, wherein the imaging port window assembly (8) comprises:
the outer wall of the imaging window heat-insulating cylinder (13) is in fit contact with the inner wall of the imaging end window;
imaging sealing glass (14), imaging sealing glass (14) set up in imaging window heat-insulating cylinder (13) are close to the inside one end of cloud room (1), the edge of imaging sealing glass (14) with the inner wall of imaging window heat-insulating cylinder (13) is connected, the quantity of imaging sealing glass (14) is two and two form first thermal-insulated air gap (15) between imaging sealing glass (14).
7. An ice crystal monitoring device according to claim 6, wherein the imaging window insulator (13) has a locating portion at its end remote from the interior of the cloud chamber (1), the inner end face of the locating portion being in locating engagement with the outer side face of the cloud chamber (1).
8. An ice crystal monitoring device according to claim 6, wherein the imaging objective (9) of the microscopic imaging system is located within the imaging window insulation cartridge (13).
9. An ice crystal monitoring device according to any one of claims 1 to 5, wherein the light-source window assembly (5) comprises:
the light source window heat insulation barrel (16), the outer wall of the light source window heat insulation barrel (16) is in fit contact with the inner wall of the light source end window;
light source sealing glass (17), light source sealing glass (17) set up in light source window heat-insulating cylinder (16) are close to the inside one end of cloud room (1), the edge of light source sealing glass (17) with the inner wall of light source window heat-insulating cylinder (16) is connected, the quantity of light source sealing glass (17) is two and two form second heat-insulating air gap (18) between light source sealing glass (17).
10. An ice crystal monitoring device according to claim 9, wherein the end of the light source window insulating cylinder (16) away from the interior of the cloud chamber (1) is provided with a positioning part, and the inner end surface of the positioning part is in positioning fit with the outer side surface of the cloud chamber (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011590047.XA CN112730165A (en) | 2020-12-29 | 2020-12-29 | Ice crystal monitoring devices |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011590047.XA CN112730165A (en) | 2020-12-29 | 2020-12-29 | Ice crystal monitoring devices |
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| CN111787209A (en) * | 2020-07-20 | 2020-10-16 | 北京交通大学 | Tunnel image acquisition device, image acquisition system and image acquisition method |
-
2020
- 2020-12-29 CN CN202011590047.XA patent/CN112730165A/en active Pending
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|---|---|---|---|---|
| JP2001338276A (en) * | 2000-05-29 | 2001-12-07 | Japan Science & Technology Corp | Method for measuring ice crystal structure inside of sample |
| US20100110431A1 (en) * | 2008-11-05 | 2010-05-06 | Goodrich Corporation | Apparatus and method for in-flight detection of airborne water droplets and ice crystals |
| CN102645680A (en) * | 2012-05-16 | 2012-08-22 | 南京信息工程大学 | Cloud chamber for atmospheric ice nucleus activation counting and cloud chamber system |
| JP2016180714A (en) * | 2015-03-25 | 2016-10-13 | 国立大学法人山梨大学 | Microscope for observing cloud particles |
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| CN111787209A (en) * | 2020-07-20 | 2020-10-16 | 北京交通大学 | Tunnel image acquisition device, image acquisition system and image acquisition method |
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