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 PDF

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Publication number
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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CN
China
Prior art keywords
pressure
cabin
air
cold plate
pressure cabin
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811264696.3A
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Chinese (zh)
Inventor
刘猛
郭梦蕾
蒋欣颖
庞丽萍
王浚
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Beihang University
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Beihang University
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Publication date
Application filed by Beihang University filed Critical Beihang University
Priority to CN201811264696.3A priority Critical patent/CN109375661A/en
Publication of CN109375661A publication Critical patent/CN109375661A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00Control of temperature
    • G05D23/19Control of temperature characterised by the use of electric means
    • G05D23/20Control 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

A kind of non-pressure cabin no pressure impact low-temperature control system of large size
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.
CN201811264696.3A 2018-10-29 2018-10-29 A kind of non-pressure cabin no pressure impact low-temperature control system of large size Pending CN109375661A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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)

Application Number Priority Date Filing Date Title
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

Publications (1)

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CN109375661A true CN109375661A (en) 2019-02-22

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Citations (6)

* Cited by examiner, † Cited by third party
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Title
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