CN112660431A - Integrated environmental simulation test device and method - Google Patents
Integrated environmental simulation test device and method Download PDFInfo
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- CN112660431A CN112660431A CN202011527631.0A CN202011527631A CN112660431A CN 112660431 A CN112660431 A CN 112660431A CN 202011527631 A CN202011527631 A CN 202011527631A CN 112660431 A CN112660431 A CN 112660431A
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Abstract
The application discloses an integrated environmental simulation test device and method. The temperature control device comprises a box body and a temperature adjusting mechanism arranged in the box body; the vacuum tank is used for providing a closed test space environment for the test; a cold plate is arranged in a vacuum tank, a test sample is placed, and a heat sink is arranged on the inner wall of the vacuum tank, so that a simulated space cold-black environment is provided; the circulating working medium storage part, the cooling part and the heating part are arranged in the box body, the circulating working medium storage part, the cooling part and the heating part are connected with the cold plate and the heat sink by utilizing a heat exchange pipeline loop and a heat exchange pipeline inlet circuit to form a closed loop, a circulating pump is arranged on the heat exchange pipeline loop, the circulating working medium is internally circulated by utilizing the circulating pump, the temperature of the circulating working medium is raised and lowered as required, and the temperature regulation and control of the heat sink and the cold plate are realized; the first temperature sensor, the flow sensor and the pressure sensor are arranged on the heat exchange pipeline inlet and the heat exchange pipeline loop, so that the temperature, the flow and the pressure of the circulating working medium in the heat exchange pipeline are measured in real time, and accurate regulation and control are realized.
Description
Technical Field
The disclosure generally relates to the technical field of aviation and aerospace environment simulation detection tests, and particularly relates to an integrated environment simulation test device and method.
Background
During the development and service of the spacecraft, various types of space environment simulation tests must be carried out to fully expose potential defects of products and check the design and manufacturing quality of the spacecraft.
In order to adapt to the severe space thermal environment in the on-orbit operation of the spacecraft, the reliability of the components of the spacecraft needs to be verified and evaluated through a space environment thermal test. In order to ensure the reliability of the spacecraft and the load in the operation process, each component assembly sample needs to be subjected to a space environment thermal test, if the existing large-scale space environment simulation equipment is adopted, a large amount of test time can be wasted, and the test cost can be greatly increased. Therefore, the existing environment simulation apparatus is in need of improvement.
Disclosure of Invention
In view of the above-mentioned defects or shortcomings in the prior art, it is desirable to provide an integrated environmental simulation test apparatus and method that reduces the occupied volume of the equipment space, improves the utilization rate of the apparatus space, precisely regulates and controls the temperature and the flow, and has a compact structure and is easy to implement.
In a first aspect, the present application provides an integrated environmental simulation test apparatus, including: the temperature control device comprises a box body and a temperature adjusting mechanism arranged in the box body;
the box body is connected with a horizontally arranged vacuum tank, and a cold plate is horizontally arranged in the vacuum tank and used for placing a test sample; the inner wall of the vacuum tank is provided with a heat sink;
the temperature adjustment mechanism includes: the device comprises a circulating working medium storage part, a cooling part and a heating part; the output end of the cooling part is communicated with the input end of the heating part through a heat exchange pipeline inlet; the two output ends of the heating part are respectively communicated with the heat sink and the input end of the cold plate through the heat exchange pipeline inlet, and the output ends of the heating part and the cold plate are communicated with the circulating working medium storage part through the heat exchange pipeline inlet; the circulating working medium storage part is communicated with the input end of the cooling part through a heat exchange pipeline loop, and a circulating pump is installed on the heat exchange pipeline loop; and the heat exchange pipeline inlet and the heat exchange pipeline loop are respectively provided with a first temperature sensor, a flow sensor and a pressure sensor.
According to the technical scheme provided by the embodiment of the application, one end of the vacuum tank is provided with an opening, and the edge of the vacuum tank is provided with a movably connected cover body; the cover body is provided with an observation window; one end of the vacuum tank, which is far away from the cover body, extends into the box body; the vacuum tank is provided with a molecular pump, a dry pump and a cryogenic pump, and the dry pump and the cryogenic pump are both positioned in the box body; the top of vacuum tank is provided with vacuum ionization rule and vacuum resistance rule, just the vacuum tank inner wall is provided with second temperature sensor.
According to the technical scheme provided by the embodiment of the application, the side wall of the box body is provided with an active heat dissipation part, and the bottom of the box body is provided with a natural ventilation part and a compressor; the compressor is in communication with the cryopump through a sealed conduit.
According to the technical scheme provided by the embodiment of the application, the method further comprises the following steps: and the measurement and control platform is arranged on the box body.
According to the technical scheme provided by the embodiment of the application, the bottom of the vacuum tank is provided with a supporting platform, and the supporting platform is fixedly connected with the box body.
According to the technical scheme provided by the embodiment of the application, the circulating pump with between the box, the compressor with between the box, the dry pump with between the box and the vacuum tank with all be provided with the shock attenuation portion between the supporting platform.
According to the technical scheme provided by the embodiment of the application, the bottom of the box body and the bottom of the supporting platform are provided with uniformly distributed chassis trays.
According to the technical scheme provided by the embodiment of the application, a sealing element is arranged between the cover body and the vacuum tank.
In a second aspect, the present application provides a method of an integrated environmental simulation test apparatus as described above, including the following steps:
checking the running state of each component and the connecting cable, if the running is normal, correctly installing a test sample on the cold plate, and closing the cover body;
vacuumizing the vacuum tank by using the molecular pump, the dry pump and the cryogenic pump;
when the vacuum degree meets the test requirement, starting the temperature adjusting mechanism to adjust the temperature of the test sample;
and controlling the environment required by the test by using the measurement and control platform, and recording and outputting test data.
In summary, the present technical solution specifically discloses a specific structure of an integrated environmental simulation test apparatus. Compared with the traditional environment simulation test device, the environment simulation test device is rearranged by adopting an integrated design idea, is designed into the box body and the vacuum tank connected with the box body, the temperature regulating mechanism is designed in the box body, the temperature and the flow of the cold plate in the vacuum tank can be accurately regulated and controlled, and the box body and the components installed in the vacuum tank are compactly arranged, so that the space utilization rate of the device is effectively improved, and the occupied volume of the device space is reduced;
according to the test device, the vacuum tank is horizontally arranged and connected with the box body, so that a closed test space environment is provided for a test; a cold plate is horizontally arranged in a vacuum tank, and a test sample is placed; the heat sink is arranged on the inner wall of the vacuum tank, so that a simulated space cold and black environment is provided for the test; the output end of the cooling part is communicated with the input end of the heating part through a heat exchange pipeline inlet; two output ends of the heating part are respectively communicated with the input ends of the heat sink and the cold plate through heat exchange pipeline inlet circuits, and the output ends of the heating part and the cold plate are communicated with the circulating working medium storage part through the heat exchange pipeline inlet circuits; the circulating working medium storage part is communicated with the input end of the cooling part through a heat exchange pipeline loop to form a closed loop, a circulating pump is installed on the heat exchange pipeline loop, the circulating working medium is subjected to internal circulation by the circulating pump, the circulating working medium is cooled through the cooling part, and the circulating working medium is heated through the heating part; the temperature of the circulating working medium is raised and lowered according to actual needs, so that the temperature of the heat sink and the cold plate is regulated and controlled; furthermore, a first temperature sensor, a flow sensor and a pressure sensor are arranged on two pipelines of the heat exchange pipeline inlet and the heat exchange pipeline loop, so that the temperature, the flow and the pressure of the circulating working medium in the heat exchange pipeline inlet and the heat exchange pipeline loop are measured in real time, and the purpose of accurate regulation and control is realized.
The technical scheme is that a measurement and control platform is further arranged on the box body and used for monitoring and controlling the opening and closing of valves of each part, controlling a first temperature sensor, a flow sensor, a pressure sensor, a second temperature sensor, a vacuum ionization gauge and a vacuum resistance gauge to measure data in real time and transmitting the data to the measurement and control platform; and controlling the starting and stopping of the molecular pump, the cryogenic pump and the dry pump and monitoring related states.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural diagram of an integrated environmental simulation test apparatus.
Fig. 2 is a schematic structural view of the temperature adjustment mechanism.
Reference numbers in the figures: 1. a box body; 2. a temperature adjustment mechanism; 3. a vacuum tank; 4. a cold plate; 5. a heat sink; 6. a circulating working medium storage part; 7. a cooling section; 8. a heating section; 9. a heat exchange pipeline enters a path; 10. a heat exchange line loop; 11. a circulation pump; 12. a first temperature sensor; 13. a flow sensor; 14. a pressure sensor; 15. a cover body; 16. an observation window; 17. a molecular pump; 18. a dry pump; 19. a cryopump; 20. a vacuum ionization gauge; 21. a vacuum resistance gauge; 22. a second temperature sensor; 23. an active heat dissipation portion; 24. a natural ventilation section; 25. a compressor; 26. a measurement and control platform; 27. a support platform; 28. a shock absorbing part; 29. a chassis tray; 30. and a seal.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example one
Please refer to fig. 1 and fig. 2, which are schematic structural diagrams of a first embodiment of an integrated environmental simulation testing apparatus provided by the present application, including: the temperature control device comprises a box body 1 and a temperature adjusting mechanism 2 arranged in the box body 1;
the box body 1 is connected with a horizontally arranged vacuum tank 3, and a cold plate 4 is horizontally arranged in the vacuum tank 3 and used for placing a test sample; the inner wall of the vacuum tank 3 is provided with a heat sink 5;
the temperature adjustment mechanism 2 includes: a circulating working medium storage part 6, a cooling part 7 and a heating part 8; the output end of the cooling part 7 is communicated with the input end of the heating part 8 through a heat exchange pipeline inlet 9; two output ends of the heating part 8 are respectively communicated with the heat sink 5 and the input end of the cold plate 4 through the heat exchange pipeline inlet 9, and the output ends of the two are communicated with the circulating working medium storage part 6 through the heat exchange pipeline inlet 9; the circulating working medium storage part 6 is communicated with the input end of the cooling part 7 through a heat exchange pipeline loop 10, and a circulating pump 11 is installed on the heat exchange pipeline loop 10; the heat exchange pipeline inlet 9 and the heat exchange pipeline loop 10 are respectively provided with a first temperature sensor 12, a flow sensor 13 and a pressure sensor 14.
In the embodiment, compared with the traditional environment simulation test device, the environment simulation test device is rearranged by adopting an integrated design idea and is designed into the box body 1 and the vacuum tank 3 connected with the box body 1, the temperature adjusting mechanism 2 is designed in the box body 1, the temperature and the flow of the cold plate 4 in the vacuum tank 3 are accurately regulated and controlled, and the components installed in the box body 1 and the vacuum tank 3 are compactly arranged, so that the space utilization rate of the device is effectively improved, and the occupied volume of the device space is reduced;
the vacuum tank 3 is connected with the box body 1 and is horizontally arranged; the device is used for providing a closed test space environment;
the cold plate 4 is horizontally arranged in the vacuum tank 3 and used for placing a test sample;
the heat sink 5 is arranged on the inner wall of the vacuum tank 3 and used for simulating a space cold and black environment;
the circulating working medium storage part 6 is arranged inside the box body 1 and used for storing a circulating working medium; wherein, the type of the circulating working medium is bath oil for example;
the output end of the cooling part 7 is communicated with the input end of the heating part 8 through a heat exchange pipeline inlet 9; two output ends of the heating part 8 are respectively communicated with the heat sink 5 and the input end of the cold plate 4 through the heat exchange pipeline inlet 9, and the output ends of the two are communicated with the circulating working medium storage part 6 through the heat exchange pipeline inlet 9; the circulating working medium storage part 6 is communicated with the input end of the cooling part 7 through a heat exchange pipeline loop 10; forming a closed loop;
a circulation pump 11 installed on the heat exchange line loop 10;
the circulating pump 11 is used for internally circulating the circulating working medium, the cooling part 7 is used for cooling the circulating working medium, and the heating part 8 is used for heating the circulating working medium; the temperature of the circulating working medium is raised and lowered according to actual needs, so that the temperature of the heat sink 5 and the temperature of the cold plate 4 are regulated and controlled;
the first temperature sensor 12, the flow sensor 13 and the pressure sensor 14 are installed on two pipelines of the heat exchange pipeline inlet 9 and the heat exchange pipeline loop 10, and are used for measuring the temperature, the flow and the pressure of the circulating working medium in the heat exchange pipeline inlet 9 and the heat exchange pipeline loop 10 in real time, so that the purpose of accurate regulation and control is achieved.
In any preferred embodiment, one end of the vacuum tank 3 is provided with an opening, and the edge of the vacuum tank is provided with a movably connected cover body 15; an observation window 16 is arranged on the cover body 15; one end of the vacuum tank 3, which is far away from the cover body 15, extends into the box body 1; a molecular pump 17, a dry pump 18 and a cryogenic pump 19 are mounted on the vacuum tank 3, and the dry pump 18 and the cryogenic pump 19 are both positioned inside the box body 1; the top of vacuum tank 3 is provided with vacuum ionization gauge 20 and vacuum resistance gauge 21, just vacuum tank 3 inner wall is provided with second temperature sensor 22.
In this embodiment, the cover 15 is disposed at the edge of the opening of the vacuum tank 3, and is movably connected to the edge for opening and closing the vacuum tank 3; when a test sample needs to be placed and taken, the cover body 15 is opened, and the vacuum tank 3 is closed during testing, so that the vacuum effect can be achieved;
the observation window 16 is arranged on the cover body 15, so that a worker can observe the condition inside the vacuum tank 3 conveniently in the test process;
the molecular pump 17, the dry pump 18 and the cryogenic pump 19 are arranged on the vacuum tank 3, and the dry pump 18 and the cryogenic pump 19 are both positioned inside the box body 1 and used for pumping the vacuum tank 3 so that a vacuum environment is formed inside the vacuum tank 3; roughly pumping the vacuum tank 3 by using a dry pump 18, and starting the molecular pump 17 when the vacuum degree reaches 10Pa until the vacuum degree reaches 1.0 multiplied by 10 < -2 > Pa; starting the low-temperature pump 19, and reducing the vacuum degree in the vacuum tank 3 to 1.0 multiplied by 10 < -4 > Pa, so that the test can be formally started;
a vacuum ionization gauge 20 and a vacuum resistance gauge 21, which are disposed on the top of the vacuum tank 3, for measuring the vacuum degree in the vacuum tank 3;
and the second temperature sensor 22 is arranged on the inner wall of the vacuum tank 3 and is used for measuring the temperature data of the heat sink 5 in real time.
In any preferred embodiment, the side wall of the box body 1 is provided with an active heat dissipation part 23, and the bottom of the box body is provided with a natural ventilation part 24 and a compressor 25; the compressor 25 communicates with the cryopump 19 through a sealed pipe.
In this embodiment, the active heat dissipation part 23 is disposed on a side wall of the box body 1, and is used for extracting heat in the box body 1 to an external environment, so as to ensure a stable and normal working process of each component;
the natural ventilation part 24 is arranged on the side wall of the box body 1 and is used for being communicated with the external environment, so that air can circulate, and the heat dissipation of the box body is further assisted;
a compressor 25 disposed on a side wall of the tank 1 and communicating with the cryopump 19 through a sealed pipe, for supplying a cryogenic gas to the cryopump 19;
in any preferred embodiment, further comprising: and the measurement and control platform 26 is arranged on the box body 1.
In this embodiment, the measurement and control platform 26 is disposed on the box body 1, and is configured to monitor and control opening and closing of valves of each portion, and control real-time measurement data of the first temperature sensor 12, the flow sensor 13, the pressure sensor 14, the second temperature sensor 22, the vacuum ionization gauge 20, and the vacuum resistance gauge 21, and transmit the real-time measurement data to the measurement and control platform 26; and controlling the start and stop of the molecular pump 17, the cryogenic pump 19 and the dry pump 18 and monitoring the relevant state.
In any preferred embodiment, the bottom of the vacuum tank 3 is provided with a supporting platform 27, and the supporting platform is fixedly connected with the box body 1.
In this embodiment, the supporting platform 27 is disposed at the bottom of the vacuum tank 3, and is fixedly connected to the box 1, so as to support the vacuum tank 3.
In any preferred embodiment, shock absorbing portions 28 are disposed between the circulation pump 11 and the tank 1, between the compressor 25 and the tank 1, between the dry pump 18 and the tank 1, and between the vacuum tank 3 and the supporting platform 27.
In this embodiment, the vibration damping portions 28 are disposed between the circulation pump 11 and the tank 1, between the compressor 25 and the tank 1, between the dry pump 18 and the tank 1, and between the vacuum tank 3 and the supporting platform 27, and play roles of damping and reducing noise; the number of the components can be set according to actual needs.
In any preferred embodiment, the bottom of the box 1 and the supporting platform 27 are provided with chassis supports 29 which are uniformly arranged.
In this embodiment, the chassis support 29 is disposed at the bottom of the box 1 and the supporting platform 27, so that the device can be transported and installed by using a forklift.
In any preferred embodiment, a seal 30 is provided between the lid 15 and the vacuum canister 3.
In this embodiment, the sealing member 30 is disposed between the cover 15 and the vacuum tank 3, and ensures the sealing property between the cover 15 and the vacuum tank 3, so as to ensure the vacuum environment inside the vacuum tank 3.
Example two
A method for integrating an environmental simulation test apparatus according to an embodiment, comprising the steps of:
checking the running state of each component and the connecting cable, if the running is normal, correctly installing a test sample on the cold plate 4, and closing the cover body 15;
evacuating the vacuum tank 3 by using the molecular pump 17, the dry pump 18, and the cryopump 19;
when the vacuum degree meets the test requirement, starting the temperature adjusting mechanism 2 to adjust the temperature of the test sample;
and controlling the environment required by the test by using the measurement and control platform 26, and recording and outputting test data.
In this embodiment, all the running states of the circulating water, various components, pipelines, valves and the like are checked before the test;
if the operation is abnormal, the maintenance is carried out;
if the operation is normal, correctly placing the test sample on the cold plate 4, connecting the corresponding test cable, and closing the cover body 15;
controlling the vacuum tank 3 to be vacuumized by using the measurement and control platform 26, firstly, roughly pumping the vacuum tank 3 by using the dry pump 18, and starting the molecular pump 17 when the vacuum degree reaches 10Pa until the vacuum degree reaches 1.0 multiplied by 10 < -2 > Pa;
the temperature adjusting mechanism 2 is started by using the measurement and control platform 26, circulating media enter the cold plate 4 and the heat sink 5 through the heat exchange pipeline inlet 9, the temperature in the vacuum tank 3 is reduced, the circulating media are recovered through the heat exchange pipeline loop 10, and then the circulating media are cooled by using the cooling part 7 and continuously circulated;
starting the low-temperature pump 19, reducing the vacuum degree in the vacuum tank 3 to 1.0 x 10 < -4 > Pa, and formally starting the test;
the measurement and control platform 26 is used for regulating and controlling the cooling part 7 and the heating part 8, so that the temperature and the flow of the circulating medium can be accurately regulated and controlled;
after the experiment is finished, the experimental data is saved, all the parts are closed, the vacuum tank 3 is deflated, the cover body 15 is opened, and the test sample is taken out.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (9)
1. An integrative integrated form environmental simulation test device which characterized in that includes: the temperature control device comprises a box body (1) and a temperature adjusting mechanism (2) arranged in the box body (1);
the box body (1) is connected with a horizontally arranged vacuum tank (3), and a cold plate (4) is horizontally arranged in the vacuum tank (3) and used for placing a test sample; a heat sink (5) is arranged on the inner wall of the vacuum tank (3);
the temperature adjustment mechanism (2) includes: a circulating working medium storage part (6), a cooling part (7) and a heating part (8); the output end of the cooling part (7) is communicated with the input end of the heating part (8) through a heat exchange pipeline inlet (9); two output ends of the heating part (8) are respectively communicated with the input ends of the heat sink (5) and the cold plate (4) through the heat exchange pipeline inlet (9), and the output ends of the heating part and the cold plate are communicated with the circulating working medium storage part (6) through the heat exchange pipeline inlet (9); the circulating working medium storage part (6) is communicated with the input end of the cooling part (7) through a heat exchange pipeline loop (10), and a circulating pump (11) is installed on the heat exchange pipeline loop (10); and the heat exchange pipeline inlet (9) and the heat exchange pipeline loop (10) are respectively provided with a first temperature sensor (12), a flow sensor (13) and a pressure sensor (14).
2. The integrated environmental simulation test device according to claim 1, wherein an opening is formed at one end of the vacuum tank (3), and a cover body (15) is movably connected with the edge of the vacuum tank; an observation window (16) is arranged on the cover body (15); one end of the vacuum tank (3) far away from the cover body (15) extends into the box body (1); a molecular pump (17), a dry pump (18) and a cryogenic pump (19) are mounted on the vacuum tank (3), and the dry pump (18) and the cryogenic pump (19) are both positioned in the box body (1); the top of vacuum tank (3) is provided with vacuum ionization gauge (20) and vacuum resistance gauge (21), just vacuum tank (3) inner wall is provided with second temperature sensor (22).
3. The integrated environmental simulation test device according to claim 2, wherein the side wall of the box body (1) is provided with an active heat dissipation part (23), and the bottom of the box body is provided with a natural ventilation part (24) and a compressor (25); the compressor (25) communicates with the cryogenic pump (19) via a sealed conduit.
4. The integrated environmental simulation test apparatus according to claim 1, further comprising: and the measurement and control platform (26) is arranged on the box body (1).
5. The integrated environmental simulation test device according to claim 1, wherein a supporting platform (27) is disposed at the bottom of the vacuum tank (3) and is fixedly connected to the box body (1).
6. The integrated environmental simulation test device according to claim 5, wherein shock absorbing parts (28) are arranged between the circulating pump (11) and the box body (1), between the compressor (25) and the box body (1), between the dry pump (18) and the box body (1), and between the vacuum tank (3) and the supporting platform (27).
7. An integrated environmental simulation test device according to claim 5 or 6, wherein the bottom of the box body (1) and the supporting platform (27) is provided with uniformly arranged chassis trays (29).
8. An integrated environmental simulation test device according to claim 1, wherein a sealing member (30) is provided between the cover (15) and the vacuum tank (3).
9. A method of integrating an environmental simulation test apparatus according to any one of claims 1 to 8, comprising the steps of:
checking the operation state of each component and the connection cable, if the operation is normal, correctly installing a test sample on the cold plate (4), and closing the cover body (15);
-evacuating the vacuum tank (3) with the molecular pump (17), the dry pump (18) and the cryogenic pump (19);
when the vacuum degree meets the test requirement, starting the temperature adjusting mechanism (2) to adjust the temperature of the test sample;
and controlling the environment required by the test by using the measurement and control platform (26), and recording and outputting test data.
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| CN113631014A (en) * | 2021-07-06 | 2021-11-09 | 北京自动化控制设备研究所 | Thermal examination device and system for high-power servo controller |
| CN113985950A (en) * | 2021-11-22 | 2022-01-28 | 中国电子技术标准化研究院 | High vacuum environment test piece temperature control device |
| CN114212283A (en) * | 2021-12-17 | 2022-03-22 | 重庆哈丁环境试验技术股份有限公司 | Space environment simulation test box |
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| CN113631014B (en) * | 2021-07-06 | 2023-10-13 | 北京自动化控制设备研究所 | High-power servo controller heat assessment device and system |
| CN113985950A (en) * | 2021-11-22 | 2022-01-28 | 中国电子技术标准化研究院 | High vacuum environment test piece temperature control device |
| CN114212283A (en) * | 2021-12-17 | 2022-03-22 | 重庆哈丁环境试验技术股份有限公司 | Space environment simulation test box |
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