CN109375661A - A kind of non-pressure cabin no pressure impact low-temperature control system of large size - Google Patents
A kind of non-pressure cabin no pressure impact low-temperature control system of large size Download PDFInfo
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- CN109375661A CN109375661A CN201811264696.3A CN201811264696A CN109375661A CN 109375661 A CN109375661 A CN 109375661A CN 201811264696 A CN201811264696 A CN 201811264696A CN 109375661 A CN109375661 A CN 109375661A
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- Prior art keywords
- pressure
- cabin
- air
- cold plate
- pressure cabin
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention discloses a kind of non-pressure cabin no pressures of large size to impact low-temperature control system, which includes: drier, air-refrigeration system, non-pressure cabin and cold plate;Outside air passes sequentially through drier and air-refrigeration system enters cold plate, cold plate is set in non-pressure cabin, cold plate is used to carry out temperature regulation to the air in non-pressure cabin, it is only flowed in the wall surrounding cold plate of cabin through the cooling drying Cryogenic air of air-refrigeration system, keep cabin gas supply identical with the mass flow of exhaust, to guarantee the balance control of lock pressure, realizes that the low temperature of the no pressure impact to non-pressure cabin controls, improve the stability in non-pressure cabin.
Description
Technical field
The present invention relates to large-scale non-pressure cabin low temperature control technology fields, more particularly to a kind of non-pressure cabin of large size without pressure
Power impacts low-temperature control system.
Background technique
Large-scale non-pressure cabin low temperature control method is the realization pair in the form of open type air turbine system and air exhauster
The low temperature in non-pressure cabin controls;After outside air flows through open type air turbine system, the purpose of low temperature can achieve, due to the external world
Air flows through non-pressure cabin, and lock pressure can be generated to non-pressure cabin, and the impact influence of lock pressure may be such that non-pressure cabin destroys, this is just
It needs to control pressure in cabin.
Summary of the invention
The object of the present invention is to provide a kind of non-pressure cabin no pressures of large size to impact low-temperature control system, keeps non-pressure cabin real
Lock pressure is not generated during existing low temperature, pressure balance is kept, enhances the stability in non-pressure cabin.
To achieve the above object, the present invention provides following schemes:
A kind of non-pressure cabin no pressure impact low-temperature control system of large size, the system comprises:
Drier, air-refrigeration system, non-pressure cabin and cold plate;Outside air passes sequentially through the drier and the sky
Gas refrigeration system enters the cold plate, and the cold plate is set in the non-pressure cabin, and the cold plate is used for described non-pressure
Air in cabin carries out temperature regulation.
Optionally, the non-pressure cabin cabin is surrounded by the cold plate.
Optionally, the output port of the air-refrigeration system and the air inlet of the cold plate pass through the first control valve phase
Connection.
Optionally, first control valve is flow control valve.
Optionally, the system also includes air exhausters.
Optionally, the exhaust outlet of the cold plate is connected with the air exhauster by the second control valve.
Optionally, second control valve is flow control valve.
Optionally, the air themperature of the air-refrigeration system output is within the scope of -100 DEG C~-90 DEG C.
The summary of the invention provided according to the present invention, the invention discloses following technical effects: the present invention provides a kind of large size
Non-pressure cabin no pressure impacts low-temperature control system, and non-pressure cabin is surrounded by cold plate, using cold plate in the non-pressure cabin
Air carry out temperature control, do not entered into non-pressure cabin through the cooling drying Cryogenic air of air-refrigeration system, only in cabin
It is flowed in the wall surrounding cold plate of room, it is identical with the mass flow of exhaust to make cabin gas supply, thus guarantee the balance control of lock pressure, it is real
Now the low temperature of the no pressure impact in non-pressure cabin is controlled, improves the stability in non-pressure cabin.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is that a kind of non-pressure cabin no pressure of large size of the embodiment of the present invention impacts low-temperature control system schematic diagram;
Fig. 2 is that a kind of non-pressure cabin no pressure of large size of the embodiment of the present invention impacts low temperature dry air in low-temperature control system
Piping diagram in cold plate.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of non-pressure cabin no pressures of large size to impact low-temperature control system, realizes and holds to non-
The low temperature control of the no pressure impact of ballasting, improves the stability in non-pressure cabin.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Fig. 1 is that a kind of non-pressure cabin no pressure of large size of the embodiment of the present invention impacts low-temperature control system schematic diagram, such as Fig. 1 institute
Show, the non-pressure cabin no pressure impact low-temperature control system of a kind of large size provided by the invention includes:
Drier 102, air-refrigeration system 103, non-pressure cabin 105 and cold plate 104;Outside air 101 passes sequentially through dry
Dry device 102 and air-refrigeration system 103 enter cold plate 104, and cold plate 104 is set in non-pressure cabin 105, cold plate 104 for pair
Air in non-pressure cabin 105 carries out temperature regulation.
The cabin in non-pressure cabin 105 is surrounded by cold plate 104.The output port of air-refrigeration system 103 and cold plate 104
Air inlet is connected by the first control valve 107.First control valve 107 is flow control valve.The system also includes exhausts
Blower 106.The exhaust outlet of cold plate 104 is connected with air exhauster 106 by the second control valve.Second control valve 108 is stream
Control valve.The air themperature that air-refrigeration system 103 exports is within the scope of -100 DEG C~-90 DEG C.
Fig. 2 is that low temperature is dry in a kind of non-pressure cabin no pressure impact low-temperature control system of large size of invention embodiment
Piping diagram of the dry air in cold plate, such as Fig. 2, low temperature dry air stream enters cold plate by the first control valve 201, through the first face
Wall cold plate, the second face wall body cold plate, third face wall body cold plate and fourth face wall cold plate are discharged by the second 202 valves of control,
The mass flow for flowing through the low temperature dry air in non-pressure cabin cabin surrounding cold plate is identical with temperature, the first control valve 201
Output port be equipped with branch, each branch connects A set of wall cold plate, the second control valve 202 it is defeated as port is equipped with branch,
Each branch connects A set of wall cold plate.
It is cold through air-refrigeration system in the non-pressure cabin no pressure impact low-temperature control system of a kind of large size provided by the invention
But drying Cryogenic air does not enter into the cabin in non-pressure cabin, only flows, makes non-pressure in the wall surrounding cold plate of cabin
The cabin gas supply in cabin is identical with the mass flow of exhaust, to guarantee the balance control of the lock pressure in non-pressure cabin, realization is held to non-
The low temperature control of the no pressure impact of ballasting, improves the stability in non-pressure cabin.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For system disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention;At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (8)
1. a kind of non-pressure cabin no pressure of large size impacts low-temperature control system, which is characterized in that the system comprises: drier,
Air-refrigeration system, non-pressure cabin and cold plate;Outside air passes sequentially through the drier and the air-refrigeration system enters
The cold plate, the cold plate are set in the non-pressure cabin, and the cold plate is used to carry out the air in the non-pressure cabin
Temperature regulation.
2. the non-pressure cabin no pressure of large size according to claim 1 impacts low-temperature control system, which is characterized in that described non-
Pressure-bearing cabin cabin is surrounded by the cold plate.
3. the non-pressure cabin no pressure of large size according to claim 1 impacts low-temperature control system, which is characterized in that the sky
The output port of gas refrigeration system is connected with the air inlet of the cold plate by the first control valve.
4. the non-pressure cabin no pressure of large size according to claim 3 impacts low-temperature control system, which is characterized in that described the
One control valve is flow control valve.
5. the non-pressure cabin no pressure of large size according to claim 1 impacts low-temperature control system, which is characterized in that the system
System further includes air exhauster.
6. the non-pressure cabin no pressure of large size according to claim 1 impacts low-temperature control system, which is characterized in that described cold
The exhaust outlet of plate is connected with the air exhauster by the second control valve.
7. the non-pressure cabin no pressure of large size according to claim 6 impacts low-temperature control system, which is characterized in that described the
Two control valves are flow control valve.
8. the non-pressure cabin no pressure of large size according to claim 1 impacts low-temperature control system, which is characterized in that the sky
The air themperature of gas refrigeration system output is within the scope of -100 DEG C~-90 DEG C.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811264696.3A CN109375661A (en) | 2018-10-29 | 2018-10-29 | A kind of non-pressure cabin no pressure impact low-temperature control system of large size |
Applications Claiming Priority (1)
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CN201811264696.3A CN109375661A (en) | 2018-10-29 | 2018-10-29 | A kind of non-pressure cabin no pressure impact low-temperature control system of large size |
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Publication Number | Publication Date |
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CN109375661A true CN109375661A (en) | 2019-02-22 |
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CN201811264696.3A Pending CN109375661A (en) | 2018-10-29 | 2018-10-29 | A kind of non-pressure cabin no pressure impact low-temperature control system of large size |
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Citations (6)
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---|---|---|---|---|
US5115644A (en) * | 1979-07-31 | 1992-05-26 | Alsenz Richard H | Method and apparatus for condensing and subcooling refrigerant |
JPH09304258A (en) * | 1996-05-15 | 1997-11-28 | Tabai Espec Corp | Evaporation heat tester fitted with fan |
CN101008651A (en) * | 2006-12-08 | 2007-08-01 | 北京航空航天大学 | Test apparatus of large-scaled environment simulation |
CN101722064A (en) * | 2009-12-01 | 2010-06-09 | 北京航空航天大学 | Large space and low air pressure temperature environment simulation system |
CN202303671U (en) * | 2011-10-29 | 2012-07-04 | 合肥天鹅制冷科技有限公司 | Low-temperature control system for environment simulating composite cabin |
CN106444946A (en) * | 2016-09-20 | 2017-02-22 | 天津航天瑞莱科技有限公司 | Constant pressure module of large constant-pressure thermal test system |
-
2018
- 2018-10-29 CN CN201811264696.3A patent/CN109375661A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5115644A (en) * | 1979-07-31 | 1992-05-26 | Alsenz Richard H | Method and apparatus for condensing and subcooling refrigerant |
JPH09304258A (en) * | 1996-05-15 | 1997-11-28 | Tabai Espec Corp | Evaporation heat tester fitted with fan |
CN101008651A (en) * | 2006-12-08 | 2007-08-01 | 北京航空航天大学 | Test apparatus of large-scaled environment simulation |
CN101722064A (en) * | 2009-12-01 | 2010-06-09 | 北京航空航天大学 | Large space and low air pressure temperature environment simulation system |
CN202303671U (en) * | 2011-10-29 | 2012-07-04 | 合肥天鹅制冷科技有限公司 | Low-temperature control system for environment simulating composite cabin |
CN106444946A (en) * | 2016-09-20 | 2017-02-22 | 天津航天瑞莱科技有限公司 | Constant pressure module of large constant-pressure thermal test system |
Non-Patent Citations (1)
Title |
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彭超: "高低温环境模拟系统中稳定舱压问题的研究", 《兵工自动化》 * |
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Application publication date: 20190222 |