CN107539502B - Temperature-adjustment pressure-adjustment device for spacecraft environment test - Google Patents
Temperature-adjustment pressure-adjustment device for spacecraft environment test Download PDFInfo
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- CN107539502B CN107539502B CN201610565177.5A CN201610565177A CN107539502B CN 107539502 B CN107539502 B CN 107539502B CN 201610565177 A CN201610565177 A CN 201610565177A CN 107539502 B CN107539502 B CN 107539502B
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Abstract
The invention discloses a kind of temperature-adjustment pressure-adjustment devices, including vacuum tank, container gate, heat sink, control cabinet, refrigeration machine etc. for spacecraft environment test；It is heat sink to be placed on inside vacuum tank, it is heat sink to be connect with refrigeration machine by refrigeration piping, refrigeration valve is connected among refrigeration piping, heat exchanger passes through heat exchanger tube and refrigeration piping connection, it is connected between vacuum tank and vacuum pump by vacuum pipe, vacuum valve is connected among vacuum pipe, tonifying Qi pipeline is connect with vacuum tank, gas flow controller is installed on tonifying Qi pipeline, gas in tonifying Qi pipeline is introduced into heat exchanger before entering vacuum tank and exchanges heat, nitrogen pipeline is arranged in parallel with air pipe line, source nitrogen is connect by nitrogen pipeline with tonifying Qi pipeline, air-source is connect by air pipeline with tonifying Qi pipeline, air dryer is connected among air pipeline, control cabinet passes through controlling cable and refrigeration machine, refrigeration valve, vacuum pump, vacuum valve, gas flow controller connection.
Description
Technical field
The invention belongs to environment test device technical fields, it particularly relates to which a kind of internal pressure and temperature can essences
The experimental rig really automatically adjusted, to carry out environmental test for spacecraft.
Background technique
During spacecraft rises to high-altitude by ground, pressure and temperature is changing always in locating environment.In order to verify
The environmental suitability and reliability of spacecraft need dedicated temperature-adjustment pressure-adjustment environment test device to carry out environmental test.Test
Apparatus main body structure is vacuum tank, heat sink, control cabinet, refrigeration machine, refrigeration piping, heat exchanger, vacuum pump, vacuum pipe, true
Empty valve, gas flow controller, gas source etc..It is existing for spacecraft environment test temperature-adjustment pressure-adjustment experimental rig be all by
Temperature adjustment and pressure regulation are separately tested, and device is typically all atmospheric high-low temperature equipment or low pressure equipment, and pressure and temperature can not be real
Existing precise synchronization control and adjusting, such as Fifth Academy of Aerospace Industry's general assembly and environmental project portion high-low temperature test chamber are all this modes.
As what spacecraft reliability required increases, vacuum tank internal temperature and pressure is needed adjust simultaneously and smart
Really control.Since there is pressure and temperature coupling effect to reach temperature and pressure in order to avoid the sharply jump of temperature and pressure
Accurate control, it is desirable to which vacuum tank pressure is supplemented into inside temperature and the container of vacuum tank internal gas when control
Already existing gas temperature is consistent.Further, since surface cannot have condensed water when spacecraft testing, therefore it is required that experimental rig
In worst cold case, the gas added to inside vacuum tank is dry air or nitrogen.
Summary of the invention
To solve the above-mentioned problems, the present invention is intended to provide it is a kind of for spacecraft environment test temperature-adjustment pressure-adjustment device,
The device can be realized the automatic adjustment and accurate control of vacuum tank internal temperature and pressure, and it is true effectively to simulate spacecraft
Flight environment of vehicle realizes that the pressure and temp under high and low temperature environment accurately controls, preferably meets spacecraft environment test requirements document.
Present invention employs the following technical solutions:
The temperature-adjustment pressure-adjustment device for spacecraft environment test of the invention, including vacuum tank, container gate, it is heat sink,
Control cabinet, refrigeration machine, refrigeration piping, refrigeration valve, heat exchanger, heat exchanger tube, vacuum pump, vacuum pipe, vacuum valve, gas
Body flow controller, tonifying Qi pipeline, source nitrogen, nitrogen pipeline, air-source, air dryer, air pipeline；The appearance of vacuum tank
Device gate is opened, heat sink to be placed on inside vacuum tank, heat sink to be connect with refrigeration machine by refrigeration piping, is connected among refrigeration piping
It is connected to refrigeration valve, heat exchanger passes through vacuum by heat exchanger tube and refrigeration piping connection between vacuum tank and vacuum pump
Pipeline connects, and is connected with vacuum valve among vacuum pipe, tonifying Qi pipeline is connect with vacuum tank, is equipped with gas on tonifying Qi pipeline
Body flow controller, the gas in tonifying Qi pipeline are introduced into heat exchanger before entering vacuum tank and exchange heat, nitrogen pipeline with
Air pipe line is arranged in parallel, and source nitrogen is connect by nitrogen pipeline with tonifying Qi pipeline, and air-source passes through air pipeline and blowdown pipe
Road connects, and air dryer is connected among air pipeline, and control cabinet passes through controlling cable and refrigeration machine, refrigeration valve, vacuum
Pump, vacuum valve, gas flow controller connection.
Wherein, refrigeration machine controls the temperature of temperature control medium in refrigeration piping, to adjust heat sink temperature.It is heat sink to be installed on very
Inside empty container, by conduction of heat, vacuum tank interior environment temperature and heat sink temperature synchronous adjustment.
Wherein, vacuum pump has fixed gas pumping speed, while it is evacuated vacuum tank to fix pumping speed,
Gas flow-control is supplemented into dry air or nitrogen flow inside vacuum tank, to realize in vacuum tank
The accurate control of portion's pressure.
Wherein, being supplemented into the gas inside vacuum tank can switch in two kinds of gases of dry air and nitrogen, energy
Enough meet different tests task to the different demands of gas, and can guarantee not tie under worst cold case inside vacuum tank
Dew.
Wherein, heat exchanger is connect with refrigeration piping, the gas being supplemented into inside vacuum tank by gas flow controller
Body is first exchanging heat with heat exchanger before entering vacuum tank, reach the gas temperature that is supplemented into inside vacuum tank with very
Already existing gas temperature is consistent inside empty container, effectively reduces the coupling effect between pressure and temperature, avoids true
The rapid fluctuation of empty container internal pressure and temperature.
Wherein, refrigeration machine, vacuum pump, valve, gas flow controller can be carried out automatically controlling by control cabinet, from
And realize the automatic adjustment of vacuum tank internal pressure temperature.
Compared with existing experimental rig, the temperature-adjustment pressure-adjustment device for spacecraft environment test of the invention be can be realized
The automatic adjustment of vacuum tank internal temperature and pressure, pressure and temp can be controlled accurately under high and low temperature environment, effectively be simulated
Spacecraft live flying environment, preferably meets spacecraft environment test requirements document.
Detailed description of the invention
Fig. 1 is the temperature-adjustment pressure-adjustment structure drawing of device for spacecraft environment test of the invention.
In figure, 1- container gate, 2- vacuum tank, 3- is heat sink, 4- control cabinet, 5- refrigeration piping, 6- vacuum pipe, and 7- is true
Empty valve, 8- gas flow controller, 9- refrigeration valve, 10- tonifying Qi pipeline, 11- vacuum pump, 12- heat exchanger, 13- heat exchanger
Pipeline, 14- nitrogen pipeline, 15- air pipeline, 16- air dryer, 17- source nitrogen, 18- air-source, 19- refrigeration machine.
Specific embodiment
Introduced below is the specific embodiment as the content of present invention, below by specific embodiment to the present invention
Content work further illustrates.Certainly, description following detailed description is only the content of example different aspect of the invention, and
It should not be construed as limiting the invention range.
As shown in Figure 1, the temperature-adjustment pressure-adjustment device for spacecraft environment test of the invention, including vacuum tank 2, container
Gate 1, heat sink 3, control cabinet 4, refrigeration machine 19, refrigeration piping 5, refrigeration valve 9, heat exchanger 12, heat exchanger tube 13, vacuum pump
11, vacuum pipe 6, vacuum valve 7, gas flow controller 8, tonifying Qi pipeline 10, source nitrogen 17, nitrogen pipeline 14, air are dry
Dry device 16, air pipeline 15.Container gate 1 is opened, and heat sink 3 are placed on inside vacuum tank 2, and heat sink 3 pass through with refrigeration machine 19
Refrigeration piping 5 connects, and refrigeration valve 9 is connected among refrigeration piping 5, and heat exchanger 12 passes through heat exchanger tube 13 and refrigeration piping
5 connection are connected by vacuum pipe 6 between vacuum tank 2 and vacuum pump 11, vacuum valve 7 are connected among vacuum pipe 6,
Tonifying Qi pipeline 10 is connect with vacuum tank 2, and gas flow controller 8, the gas in tonifying Qi pipeline 10 are equipped on tonifying Qi pipeline 10
Body is introduced into heat exchanger 12 before entering vacuum tank 2 and exchanges heat, and source nitrogen 17 passes through nitrogen pipeline 14 and tonifying Qi pipeline 10
Connection, air-source 18 are connect by air pipeline 15 with tonifying Qi pipeline 10, and air dryer 16 is connected among air pipeline 15,
Control cabinet 4 is connected by controlling cable and refrigeration machine 19, refrigeration valve 9, vacuum pump 11, vacuum valve 7, gas flow controller 8
It connects.
Wherein, refrigeration machine controls the temperature of temperature control medium in refrigeration piping, to adjust heat sink temperature.It is heat sink to be installed on very
Inside empty container, by conduction of heat, vacuum tank interior environment temperature and heat sink temperature synchronous adjustment.
Wherein, vacuum pump has fixed gas pumping speed, while it is evacuated vacuum tank to fix pumping speed,
Gas flow-control is supplemented into dry air or nitrogen flow inside vacuum tank, to realize in vacuum tank
The accurate control of portion's pressure.
Wherein, being supplemented into the gas inside vacuum tank can switch in two kinds of gases of dry air and nitrogen, energy
Enough meet different tests task to the different demands of gas, and can guarantee not tie under worst cold case inside vacuum tank
Dew.
Wherein, heat exchanger is connect with refrigeration piping, the gas being supplemented into inside vacuum tank by gas flow controller
Body is first exchanging heat with heat exchanger before entering vacuum tank, reach the gas temperature that is supplemented into inside vacuum tank with very
Already existing gas temperature is consistent inside empty container, effectively reduces the coupling effect between pressure and temperature, avoids true
The rapid fluctuation of empty container internal pressure and temperature.
Wherein, refrigeration machine, vacuum pump, valve, gas flow controller can be carried out automatically controlling by control cabinet, from
And realize the automatic adjustment of vacuum tank internal pressure temperature.
Compared with existing experimental rig, temperature-adjustment pressure-adjustment device of the invention can be realized vacuum tank internal temperature and pressure
The automatic adjustment of power, pressure can be controlled accurately under high and low temperature environment, effectively simulate spacecraft live flying environment, preferably
Meet spacecraft environment test requirements document.
Although the detailed description and description of the specific embodiments of the present invention are given above, it should be noted that
We can carry out various equivalent changes and modification to above embodiment according to the concept of the present invention, and generated function is made
It, should all be within protection scope of the present invention when with the spirit still covered without departing from specification and attached drawing.
Claims (7)
1. for the temperature-adjustment pressure-adjustment device of spacecraft environment test, including vacuum tank, container gate, heat sink, control cabinet, refrigeration
Machine, refrigeration piping, refrigeration valve, heat exchanger, heat exchanger tube, vacuum pump, vacuum pipe, vacuum valve, gas flow control
Device, tonifying Qi pipeline, source nitrogen, nitrogen pipeline, air-source, air dryer, air pipeline；It, will be heat sink when container gate is opened
It is placed on inside vacuum tank, it is heat sink to be connect with refrigeration machine by refrigeration piping, it is connected with refrigeration valve among refrigeration piping, changes
Hot device is connected between vacuum tank and vacuum pump by vacuum pipe, vacuum tube by heat exchanger tube and refrigeration piping connection
Vacuum valve is connected among road, tonifying Qi pipeline is connect with vacuum tank, and gas flow controller is equipped on tonifying Qi pipeline, is mended
Gas in feed channel is introduced into heat exchanger before entering vacuum tank and exchanges heat, and nitrogen pipeline is in parallel with air pipe line to be set
It sets, source nitrogen is connect by nitrogen pipeline with tonifying Qi pipeline, and air-source is connect by air pipeline with tonifying Qi pipeline, air pipeline
Centre is connected with air dryer, and control cabinet passes through controlling cable and refrigeration machine, refrigeration valve, vacuum pump, vacuum valve, gas
Flow controller connection.
2. temperature-adjustment pressure-adjustment device as described in claim 1, wherein refrigeration machine controls the temperature of temperature control medium in refrigeration piping,
To adjust heat sink temperature.
3. temperature-adjustment pressure-adjustment device as claimed in claim 2, wherein it is heat sink to be installed on inside vacuum tank, by conduction of heat,
Vacuum tank interior environment temperature and heat sink temperature synchronous adjustment.
4. temperature-adjustment pressure-adjustment device as described in claim 1, wherein vacuum pump has fixed gas pumping speed, at it to vacuum
While container is evacuated with fixing pumping speed, gas flow-control is supplemented into the dry air inside vacuum tank
Or nitrogen flow, realize the accurate control of vacuum tank internal pressure.
5. temperature-adjustment pressure-adjustment device as described in claim 1, wherein be supplemented into the gas inside vacuum tank in dry air
Switch in two kinds of gases of nitrogen, meet different tests task to the different demands of gas, and guarantee inside vacuum tank
It does not condense under worst cold case.
6. temperature-adjustment pressure-adjustment device according to any one of claims 1-4, wherein heat exchanger is connect with refrigeration piping, passes through gas
Body flow controller is supplemented into the gas inside vacuum tank and first exchanges heat with heat exchanger before entering vacuum tank, reaches
It is consistent with gas temperature already existing inside vacuum tank to the gas temperature being supplemented into inside vacuum tank.
7. temperature-adjustment pressure-adjustment device according to any one of claims 1-4, wherein refrigeration machine, vacuum pump, valve, gas flow
Controller can be carried out automatically controlling by control cabinet, realize the automatic adjustment of vacuum tank internal pressure temperature.
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| CN201610565177.5A CN107539502B (en) | 2016-07-18 | 2016-07-18 | Temperature-adjustment pressure-adjustment device for spacecraft environment test |
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| CN201610565177.5A CN107539502B (en) | 2016-07-18 | 2016-07-18 | Temperature-adjustment pressure-adjustment device for spacecraft environment test |
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| CN107539502B true CN107539502B (en) | 2019-05-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108479865A (en) * | 2018-02-13 | 2018-09-04 | 中国科学院西安光学精密机械研究所 | Test device capable of simulating plateau climate environment |
| CN108945535A (en) * | 2018-07-12 | 2018-12-07 | 上海卫星装备研究所 | A kind of Space environment simulation facility nitrogen cooling type chilled water unit |
| CN111377068A (en) * | 2018-12-28 | 2020-07-07 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Heat dissipation method for sealed cabin in vacuum environment |
| CN109738012B (en) * | 2019-01-07 | 2020-12-25 | 台州学院 | Condenser temperature and pressure monitoring system |
| CN109681417B (en) * | 2019-01-07 | 2020-04-17 | 台州学院 | Vacuum system |
| CN109941464B (en) * | 2019-04-01 | 2020-08-11 | 北京卫星环境工程研究所 | Waveguide ring mode vacuum container with concave spherical crown gate |
| CN110294149A (en) * | 2019-07-02 | 2019-10-01 | 北京卫星环境工程研究所 | Transient temperature simulation system and method under hypobaric |
| CN110525698B (en) * | 2019-08-13 | 2021-03-23 | 北京卫星环境工程研究所 | Testing system and testing method for pressure protection system of spacecraft sealed cabin |
| CN112295630A (en) * | 2020-10-19 | 2021-02-02 | 北京卫星环境工程研究所 | Liquid nitrogen and bath oil double-medium compatible high-vacuum temperature regulating system and temperature regulating method |
| CN113985950B (en) * | 2021-11-22 | 2023-04-07 | 中国电子技术标准化研究院 | High vacuum environment test piece temperature control device |
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