CN115228514B - Planet high-low temperature vacuum environment simulation experiment system - Google Patents
Planet high-low temperature vacuum environment simulation experiment system Download PDFInfo
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- CN115228514B CN115228514B CN202211022857.4A CN202211022857A CN115228514B CN 115228514 B CN115228514 B CN 115228514B CN 202211022857 A CN202211022857 A CN 202211022857A CN 115228514 B CN115228514 B CN 115228514B
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- 238000004088 simulation Methods 0.000 title claims abstract description 26
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 130
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 62
- 239000007788 liquid Substances 0.000 claims abstract description 36
- 238000002474 experimental method Methods 0.000 claims abstract description 32
- 238000003860 storage Methods 0.000 claims abstract description 24
- 239000012530 fluid Substances 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000001802 infusion Methods 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 12
- 239000007791 liquid phase Substances 0.000 claims description 11
- 239000012071 phase Substances 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 abstract description 8
- 108010066057 cabin-1 Proteins 0.000 description 11
- 238000001514 detection method Methods 0.000 description 8
- 229910001873 dinitrogen Inorganic materials 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000002637 fluid replacement therapy Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000001502 supplementing effect Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G7/00—Simulating cosmonautic conditions, e.g. for conditioning crews
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
- B01L1/02—Air-pressure chambers; Air-locks therefor
- B01L1/025—Environmental chambers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L7/00—Heating or cooling apparatus; Heat insulating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/06—Test-tube stands; Test-tube holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/04—Closures and closing means
- B01L2300/041—Connecting closures to device or container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/18—Means for temperature control
- B01L2300/1838—Means for temperature control using fluid heat transfer medium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/18—Means for temperature control
- B01L2300/1894—Cooling means; Cryo cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G7/00—Simulating cosmonautic conditions, e.g. for conditioning crews
- B64G2007/005—Space simulation vacuum chambers
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- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a planetary high-low temperature vacuum environment simulation experiment system, and relates to the technical field of experimental equipment; including airtight experimental cabin that sets up, be provided with the sample platform that can lead cold or heat conduction in the experimental cabin, experimental cabin external has evacuating equipment, sample platform bottom is provided with heat transfer device, heat transfer device external has liquid nitrogen storage device. The planetary high-low temperature vacuum environment simulation experiment system provided by the invention has a large simulation temperature range, can simulate a vacuum low-temperature or vacuum high-temperature environment, and is suitable for experiments on samples in various environment states.
Description
Technical Field
The invention relates to the technical field of experimental equipment, in particular to a planetary high-low temperature vacuum environment simulation experiment system.
Background
For decades, including implementation and deployment of Chang's project in China, apollo's plan in the United states and the like, people have achieved remarkable knowledge and achievements in lunar and deep space exploration. With the rapid development of detection activities, human detection of an extraterrestrial celestial body is changed from near-earth, middle-low latitude to long-distance and high-latitude regions. The detection plan to be developed currently faces the serious challenges of poor or missing quality of remote sensing data, extreme temperature environment and the like. Based on the current situation, the ground verification experimental study is developed in advance, so that the method has extremely important engineering significance and scientific value.
Taking moon as an example, a permanent shadow region mainly located in the range of 20 DEG of the north-south pole of the moon has extremely severe temperature conditions, the temperature ranges from 120K to 29K, the temperature is low, the change is small, and the environment is extremely low; taking an asteroid as an example, although the asteroid orbit and the rotation period are different, the asteroid has the characteristics of larger temperature difference and quicker rotation period. The high-low temperature state is converted faster. The extreme temperature environment and the environmental conditions of rapid temperature changes present a great impediment to extraterrestrial moon and deep space exploration.
In order to smoothly carry out the actual detection process, the obstruction of extreme environments such as high temperature, low temperature and the like to the detection process is avoided as far as possible, so that the ground verification experimental study of the high temperature and low temperature extreme environments in deep space needs to be carried out in advance, the vacuum environment and the temperature limit environment of other extraterrestrial bodies in the actual universe need to be simulated in the study process, however, the simulation temperature range of the current experimental device is small in change, the universe basic environment cannot be accurately simulated, and the experimental result is inaccurate.
Disclosure of Invention
The invention aims to provide a planetary high-low temperature vacuum environment simulation experiment system, which solves the problems in the prior art, has a large simulation temperature range, can simulate a vacuum low temperature environment, and has a wide selectable experimental environment state range.
In order to achieve the above object, the present invention provides the following solutions:
The invention provides a planetary high-low temperature vacuum environment simulation experiment system which comprises an experiment cabin in closed arrangement, wherein a sample stage capable of conducting cold or heat is arranged in the experiment cabin, a vacuum pumping device is externally connected to the experiment cabin, a heat exchange device is arranged at the bottom of the sample stage, and a liquid nitrogen storage device is externally connected to the heat exchange device. Placing a sample to be tested on a sample table, vacuumizing the test cabin, and after reaching a preset vacuum degree, switching on a liquid nitrogen storage device by a heat exchange device, and exchanging heat to the sample after heating the liquid nitrogen to nitrogen through liquid nitrogen or heating the liquid nitrogen to provide a low-temperature or high-temperature environment for the sample, so that simulation of the lunar vacuum low-temperature or high-temperature environment can be realized, and further, a sample test under the environment can be carried out.
Optionally, the cabin cover that can change is connected with through flange sealing to experiment cabin top to can adopt different flange interfaces, external different instruments realizes the normal position experiment operation/detection to the sample.
Optionally, heat transfer device including set up in the snakelike coil pipe of sample platform bottom, snakelike coil pipe both ends pass through the pipeline with liquid nitrogen storage device connects, the snakelike coil pipe with be provided with the valve on the pipeline that liquid nitrogen storage device connects, be used for letting in nitrogen gas or liquid nitrogen in the snakelike coil pipe, the curved structure of snakelike coil pipe compares in traditional straight tube structure, has prolonged the circulation route of liquid nitrogen or nitrogen gas, has increased heat transfer time, has improved the heat transfer effect, can be quick with the sample platform heat transfer, and then for the sample on the sample platform provides required low temperature or high temperature environment.
Optionally, the liquid nitrogen storage device is respectively connected with a liquid phase connector and a gas phase connector, the liquid phase connector is connected with one end of the serpentine coil pipe through a connecting pipe, and a low-temperature electromagnetic valve is arranged between the liquid phase connector and the connecting pipe; one end of the gas phase joint passes through the nitrogen heating device and then is connected with the serpentine coil through the connecting pipe, and a high-temperature electromagnetic valve is arranged on the gas phase joint between the nitrogen heating device and the connecting pipe; one end of the serpentine coil is connected with the connecting pipe, the other end of the serpentine coil is externally connected with a nitrogen gas outlet through an exhaust pipeline, liquid nitrogen or heated nitrogen can be respectively introduced into the serpentine coil by controlling the opening and the closing of the low-temperature electromagnetic valve and the high-temperature electromagnetic valve, and then the sample stage can be refrigerated or heated, and the nitrogen after heat exchange with the sample stage is discharged through the nitrogen gas outlet; the control system is connected with a temperature measuring device through a signal feedback loop, the temperature measuring device is located at the position of the sample stage, the temperature value of the sample stage can be sent to the control system and converted into an electric signal to be analyzed and processed through the control system, the control system can compare the temperature value of the sample stage with a preset value and control the opening and closing of the low-temperature electromagnetic valve, the high-temperature electromagnetic valve and the nitrogen heating device according to the difference between the actual temperature value and the preset value as a basis, and the sample stage is automatically heated or refrigerated, so that the control system can automatically adjust the temperature of the sample stage according to the requirement, and the automatic lifting of the temperature of the sample stage is realized.
Optionally, the evacuation equipment includes vacuum pump and molecular pump, vacuum pump and molecular pump respectively through the vacuum pipeline with experimental cabin intercommunication can carry out the evacuation to experimental cabin and sample platform position department respectively, and the vacuum is high.
Optionally, a sample rack is arranged in the experiment cabin, the sample rack is arranged on the sample rack, and the serpentine coil is positioned between the sample rack and the sample rack; the sample table is provided with a plurality of sample grooves, the sample table can be customized according to sample requirements, the structure of the sample table can be unfixed, in the embodiment listed in the invention, the cross section of the sample groove is of a round or rectangular structure, the sample table is applicable to various samples with different specifications, the sample table can be replaced, the variety of the experimental samples is further increased, the sample table can be fixed on the sample table frame through the clamping device, the movement of the sample table in the experimental process is avoided, the positioning is accurate, and the experiment is convenient.
Optionally, a cooling fan is installed on the exhaust pipe, so that high-temperature nitrogen can be discharged after being cooled; be provided with auxiliary heater on the connecting pipe, can heat the nitrogen gas that carries to serpentine coil to the heat transfer of serpentine coil department of being convenient for, the high temperature environment temperature range that can build is bigger.
Optionally, the experiment cabin is connected with the fluid infusion storage tank through the fluid infusion pneumatic valve, the external fluid infusion pipeline that has of fluid infusion storage tank to can reduce the liquid nitrogen loss in the circulation process, can form the circulation with the snakelike coil pipe of below, similar liquid level holder principle, when the liquid nitrogen is abundant in the snakelike coil pipe, liquid level is higher than the liquid level holder, and the fluid infusion storage tank carries out self-loopa with the fluid infusion pipeline inside this moment, when the liquid nitrogen is not enough in the snakelike coil pipe, is less than the liquid level holder, carries out the fluid infusion to the snakelike coil pipe in this moment through fluid infusion storage tank and fluid infusion pipeline.
Compared with the prior art, the invention has the following technical effects:
the replaceable hatch cover is arranged at the top of the experimental hatch, so that the hatch cover can be conveniently customized according to use requirements, and the size of the observation window and the flange interface can be customized by the customized hatch cover, so that different kinds of in-situ tests can be carried out on experimental samples. The heated nitrogen or liquid nitrogen is conveyed to the serpentine coil pipe, heat exchange is carried out between the heated nitrogen or liquid nitrogen and the sample table with cold and heat conducting properties, and therefore a low-temperature or high-temperature environment required by a sample can be built, the vacuum can be respectively pumped to the experiment cabin and the sample table through the vacuumizing equipment, the vacuum degree is high, a vacuum low-temperature or high-temperature environment simulating moon can be formed, and the experiment of the sample is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in 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 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 a planetary high-low temperature vacuum environment simulation experiment system;
FIG. 2 is a schematic diagram of a planetary high-low temperature vacuum environment simulation experiment system in front view;
FIG. 3 is a schematic side view of the planetary high-low temperature vacuum environment simulation experiment system of the present invention;
FIG. 4 is a schematic diagram of a sample rack and sample stage connection structure of the planetary high-low temperature vacuum environment simulation experiment system of the present invention;
FIG. 5 is a schematic diagram of the sample rack and sample stage exploded structure of the planetary high-low temperature vacuum environment simulation experiment system of the present invention;
Reference numerals illustrate: 100-planetary high-low temperature vacuum environment simulation experiment system, 1-experiment cabin, 2-cabin cover, 3-sample platform, 4-serpentine coil pipe, 5-liquid phase joint, 6-connecting pipe, 7-low temperature solenoid valve, 8-gas phase joint, 9-nitrogen heating device, 10-high temperature solenoid valve, 11-nitrogen gas vent, 12-vacuum pump, 13-molecular pump, 14-sample bench, 15-sample tank, 16-fluid supplementing storage tank, 17-fluid supplementing pneumatic valve and 18-fluid supplementing pipeline.
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.
The invention aims to provide a planetary high-low temperature vacuum environment simulation experiment system, which solves the problems in the prior art, has a large simulation temperature range, can simulate a vacuum low temperature environment, and has a wide selectable experimental environment state range.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1,2 and 3, the invention provides a planetary high-low temperature vacuum environment simulation experiment system 100, which comprises an experiment cabin 1 in closed arrangement, wherein the top of the experiment cabin 1 is connected with a replaceable cabin cover 2 through a flange in a sealing way, so that different flange interfaces can be adopted, different instruments are externally connected, and different experiment operations on samples are realized; the experiment cabin 1 is internally provided with a sample table 3 capable of conducting cold or heat, the experiment cabin 1 is externally connected with vacuumizing equipment, the bottom of the sample table 3 is provided with a heat exchange device, the heat exchange device is externally connected with a liquid nitrogen storage device, and a heat transfer medium can adopt liquid nitrogen and heated nitrogen. Placing a sample to be tested on a sample table, vacuumizing the experiment cabin 1, after the vacuum detection device detects that the vacuum detection device reaches the preset vacuum degree, switching on a liquid nitrogen storage device, and switching on or switching off an auxiliary heating device, so that a high-temperature or low-temperature environment is provided for the sample, the simulation of the lunar vacuum low-temperature or high-temperature environment can be realized, and then the sample test under the environment can be carried out.
Specifically, the heat exchange device comprises a serpentine coil 4 arranged at the bottom of the sample table 3, two ends of the serpentine coil 4 are connected with the liquid nitrogen storage device through pipelines, valves are arranged on the serpentine coil 4 and the pipelines of the liquid nitrogen storage device, nitrogen or liquid nitrogen is introduced into the serpentine coil 4, compared with a traditional straight pipe structure, the curved structure of the serpentine coil prolongs the flow path of the liquid nitrogen or the nitrogen, the heat exchange time is prolonged, the heat exchange effect is improved, the heat exchange with the sample table 3 can be fast carried out, the required low-temperature or high-temperature environment is further provided for samples on the sample table 3, and the temperature control precision can be within 1 ℃; the temperature control range can reach-196 ℃ to 200 ℃. The liquid nitrogen storage device is respectively connected with a liquid phase connector 5 and a gas phase connector 8, the liquid phase connector 5 is connected with one end of the serpentine coil 4 through a connecting pipe 6, and a low-temperature electromagnetic valve 7 is arranged between the liquid phase connector 5 and the connecting pipe 6; one end of the gas phase joint 8 passes through the nitrogen heating device 9 and then is connected with the serpentine coil 4 through the connecting pipe 6, and a high-temperature electromagnetic valve 10 is arranged on the gas phase joint 8 between the nitrogen heating device 9 and the connecting pipe 6; one end of the serpentine coil 4 is connected with the connecting pipe 6, the other end is externally connected with a nitrogen gas exhaust port 11 through an exhaust pipeline, liquid nitrogen or heated nitrogen can be respectively introduced into the serpentine coil 4 by controlling the opening and closing of the low-temperature electromagnetic valve 7 and the high-temperature electromagnetic valve 10, and then the sample table 3 can be refrigerated or heated, and an auxiliary heater is arranged on the connecting pipe 6 and can heat the nitrogen conveyed to the serpentine coil 4, so that heat exchange at the serpentine coil 4 is facilitated, and the built high-temperature environment temperature range is larger; the nitrogen after heat exchange with the sample table 3 is discharged through the nitrogen gas exhaust port 11, and the exhaust pipe is provided with a cooling fan, so that the high-temperature nitrogen can be discharged after being cooled. The vacuum pumping equipment comprises a vacuum pump 12 and a molecular pump 13, the vacuum pump 12 and the molecular pump 13 are respectively communicated with the experiment cabin 1 through vacuum pipelines, the vacuum pipelines can extend to the position of the sample table 3, the experiment cabin 1 and the position of the sample table 3 can be respectively vacuumized, the vacuum degree is high, the pressure can reach 10 -4 Pa, and then the sample experiments under different states are realized.
Further preferably, a sample stage 14 is arranged in the experiment cabin 1, as shown in fig. 4 and 5, the sample stage 3 is arranged on the sample stage 14, and the serpentine coil 4 is positioned between the sample stage 14 and the sample stage 3; offer a plurality of sample grooves 15 on the sample platform 3, sample groove 15 cross section is circular or rectangular structure, is applicable to the multiple sample of different specifications, and sample platform 3 can be changed, has further increased the kind that can experiment the sample, and sample platform 3 can be fixed in on the sample platform frame 14 through the joint device, has avoided the removal of sample platform 3 in the experimental process, and the location is accurate, the experiment of being convenient for. The experiment cabin 1 is connected with a fluid replacement storage tank 16 through a fluid replacement pneumatic valve 17, and the fluid replacement storage tank 16 is externally connected with a fluid replacement pipeline 18.
When the invention works, a sample is placed on a sample table 3, the top of an experiment cabin 1 is externally connected with different experimental instruments as required through a flange, a vacuum pump 12 and a molecular pump 13 vacuumize the inside of the experiment cabin 1, so that a moon vacuum environment is simulated, a high-temperature electromagnetic valve 10 is closed, a low-temperature electromagnetic valve 7 is opened, liquid nitrogen is further conveyed to a serpentine coil 4 through a liquid phase joint 5 and a connecting pipe 6, and heat exchange is carried out between the serpentine coil 4 and the sample table 3, so that the sample table 3 has a required low-temperature environment, and the vacuum low-temperature environment can be developed; when a high-temperature environment experiment is needed, only the low-temperature electromagnetic valve 7 is required to be closed, the high-temperature electromagnetic valve 10 is required to be opened, liquid nitrogen is conveyed to the nitrogen heating device 9 through the gas phase connector 8 to be heated into nitrogen and then enters the connecting pipe 6, the nitrogen is conveyed to the serpentine coil 4 through the connecting pipe 6, then the sample table 3 is heated, a vacuum high-temperature experiment environment is further created, the nitrogen after heat exchange is conveyed to the nitrogen exhaust port 11 through the other end of the serpentine coil 4 to be exhausted, and the cooling fan at the exhaust port can be opened to cool the nitrogen in order to avoid overhigh temperature of exhaust gas. The low-temperature electromagnetic valve 7 and the high-temperature electromagnetic valve 10 are respectively and electrically connected with a control system, so that the open-close state can be automatically converted according to the needs, and the multi-period automatic cold-hot constant-speed circulation can be realized.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (5)
1. A planetary high-low temperature vacuum environment simulation experiment system is characterized in that: the device comprises an experimental cabin which is arranged in a closed manner, wherein a sample table capable of conducting cold or heat is arranged in the experimental cabin, a vacuum pumping device is externally connected to the experimental cabin, a heat exchange device is arranged at the bottom of the sample table, and a liquid nitrogen storage device is externally connected to the heat exchange device; the heat exchange device comprises a serpentine coil arranged at the bottom of the sample table, two ends of the serpentine coil are connected with the liquid nitrogen storage device through pipelines, and valves are arranged on the pipelines connected with the liquid nitrogen storage device; the liquid nitrogen storage device is respectively connected with a liquid phase connector and a gas phase connector, the liquid phase connector is connected with one end of the serpentine coil through a connecting pipe, and a low-temperature electromagnetic valve is arranged between the liquid phase connector and the connecting pipe; one end of the gas phase joint passes through the nitrogen heating device and then is connected with the serpentine coil through the connecting pipe, and a high-temperature electromagnetic valve is arranged on the gas phase joint between the nitrogen heating device and the connecting pipe; one end of the serpentine coil pipe is connected with the connecting pipe, and the other end of the serpentine coil pipe is externally connected with a nitrogen exhaust port through an exhaust pipeline; the low-temperature electromagnetic valve, the high-temperature electromagnetic valve and the nitrogen heating device are respectively connected with a control system, and the control system can control the opening and closing of the low-temperature electromagnetic valve, the high-temperature electromagnetic valve and the nitrogen heating device according to the temperature value at the sample stage; the low-temperature electromagnetic valve and the high-temperature electromagnetic valve can automatically switch the opening and closing states according to the needs, so that multi-period automatic cold and hot constant-speed circulation is realized; the top of the experimental cabin is connected with a replaceable cabin cover through a flange in a sealing manner.
2. The planetary high-low temperature vacuum environment simulation experiment system according to claim 1, wherein: the vacuum pumping equipment comprises a vacuum pump and a molecular pump, and the vacuum pump and the molecular pump are respectively communicated with the experiment cabin through vacuum pipelines.
3. The planetary high-low temperature vacuum environment simulation experiment system according to claim 1, wherein: a sample rack is arranged in the experiment cabin, the sample rack is arranged on the sample rack, and the serpentine coil is positioned between the sample rack and the sample rack; and a plurality of sample grooves are formed in the sample table.
4. The planetary high-low temperature vacuum environment simulation experiment system according to claim 1, wherein: a cooling fan is arranged on the exhaust pipeline; an auxiliary heater is arranged on the connecting pipe.
5. The planetary high-low temperature vacuum environment simulation experiment system according to claim 1, wherein: the experiment cabin is connected with a fluid infusion storage tank through a fluid infusion pneumatic valve, and the fluid infusion storage tank is externally connected with a fluid infusion pipeline.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211022857.4A CN115228514B (en) | 2022-08-25 | 2022-08-25 | Planet high-low temperature vacuum environment simulation experiment system |
| GB2215574.1A GB2622114A (en) | 2022-08-25 | 2022-10-21 | Experimental system for simulating high or low temperature vacuum environment of planet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211022857.4A CN115228514B (en) | 2022-08-25 | 2022-08-25 | Planet high-low temperature vacuum environment simulation experiment system |
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| CN115228514A CN115228514A (en) | 2022-10-25 |
| CN115228514B true CN115228514B (en) | 2024-05-07 |
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| GB (1) | GB2622114A (en) |
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| CN115876971A (en) * | 2022-12-30 | 2023-03-31 | 中国科学院地质与地球物理研究所 | Method for online correcting water ice sample analyzer in vacuum low-temperature environment |
| CN116989998A (en) * | 2023-07-13 | 2023-11-03 | 海辰精密机械(嘉兴)股份有限公司 | Detection device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011189894A (en) * | 2010-03-16 | 2011-09-29 | Hitachi Plant Technologies Ltd | Vacuum environmental testing apparatus |
| CN102339655A (en) * | 2011-08-30 | 2012-02-01 | 中国科学院微电子研究所 | Temperature-controlled inflatable vacuum radiation equipment |
| CN107918066A (en) * | 2017-09-27 | 2018-04-17 | 华北电力大学 | Vacuum environment test equipment |
| CN109540870A (en) * | 2019-01-15 | 2019-03-29 | 大连齐维科技发展有限公司 | Confocal laser-scanning microscopy instrument reaction tank |
| CN113920804A (en) * | 2021-09-26 | 2022-01-11 | 哈尔滨工业大学 | Large-scale multi-factor space irradiation environment integrated simulation device and simulation method |
| CN114062241A (en) * | 2021-12-17 | 2022-02-18 | 上海空间电源研究所 | Space environment simulation system |
| CN114720892A (en) * | 2022-04-18 | 2022-07-08 | 国检测试控股集团雄安有限公司 | Battery thermal failure test system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100543472C (en) * | 2006-06-23 | 2009-09-23 | 中国科学院金属研究所 | A kind of method for simulating complex environment in low earth orbit space and equipment therefor |
| CN102156304B (en) * | 2010-12-30 | 2013-06-26 | 中国航天科技集团公司第五研究院第五一○研究所 | Small-sized comprehensive simulation system of lunar environment |
| CN107290296B (en) * | 2017-06-23 | 2020-11-03 | 山东大学 | Mars environment simulation experiment device and method |
| CN110412441A (en) * | 2019-06-24 | 2019-11-05 | 深圳市森美协尔科技有限公司 | Vacuum high/low temperature semiconducter device testing probe station and semiconducter device testing method |
| CN112179972A (en) * | 2020-09-16 | 2021-01-05 | 西安交通大学 | PSD (phase-sensitive Detector) method-based polymer material trap parameter characterization device and method |
-
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011189894A (en) * | 2010-03-16 | 2011-09-29 | Hitachi Plant Technologies Ltd | Vacuum environmental testing apparatus |
| CN102339655A (en) * | 2011-08-30 | 2012-02-01 | 中国科学院微电子研究所 | Temperature-controlled inflatable vacuum radiation equipment |
| CN107918066A (en) * | 2017-09-27 | 2018-04-17 | 华北电力大学 | Vacuum environment test equipment |
| CN109540870A (en) * | 2019-01-15 | 2019-03-29 | 大连齐维科技发展有限公司 | Confocal laser-scanning microscopy instrument reaction tank |
| CN113920804A (en) * | 2021-09-26 | 2022-01-11 | 哈尔滨工业大学 | Large-scale multi-factor space irradiation environment integrated simulation device and simulation method |
| CN114062241A (en) * | 2021-12-17 | 2022-02-18 | 上海空间电源研究所 | Space environment simulation system |
| CN114720892A (en) * | 2022-04-18 | 2022-07-08 | 国检测试控股集团雄安有限公司 | Battery thermal failure test system |
Also Published As
| Publication number | Publication date |
|---|---|
| GB202215574D0 (en) | 2022-12-07 |
| GB2622114A (en) | 2024-03-06 |
| CN115228514A (en) | 2022-10-25 |
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