CN109240161A - A kind of space station environmental control and life support system controller and control method - Google Patents
A kind of space station environmental control and life support system controller and control method Download PDFInfo
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- CN109240161A CN109240161A CN201811097453.5A CN201811097453A CN109240161A CN 109240161 A CN109240161 A CN 109240161A CN 201811097453 A CN201811097453 A CN 201811097453A CN 109240161 A CN109240161 A CN 109240161A
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- module
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- support system
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24024—Safety, surveillance
Abstract
A kind of space station environmental control and life support system controller and control method, system controller includes the power supply unit of multiple redundancy settings and the environmental control and life support system unit of multiple redundancies setting, is attached between environmental control and life support system unit by interaction channel；Environmental control and life support system unit includes processor module and power conversion module, processor module connection subsystem management module send module, state telemetry module, reset circuit, clock circuit, data storage and program storage in data, and the secondary DC voltage that power conversion module provides power supply unit is converted into subsystem management module respectively, send operating voltage required for module and state telemetry module in data.Control method includes collecting the environmental monitoring data of subsystems, is then analyzed and processed by system controller to the environmental monitoring data being collected into.The present invention can provide reliable living environment parameter real time data for spacefarer.
Description
Technical field
The invention belongs to automation field, it is related to a kind of space station environmental control and life support system controller and control
Method processed.
Background technique
Mainly guarantee that spacefarer exists in short term applied to the environmental control and life support system of China's manned spaceship at present
Rail stops, and not can be carried out in-orbit replacement and maintenance.Long-term in-orbit (15 years) Attended mode in space station needs to carry out huge
Data transmission, regeneration and non-renewable management subsystem and maintainable technology on-orbit etc., traditional environmental control and life support system is not
It is able to satisfy the in-orbit resident requirement of space station spacefarer, it is therefore desirable to develop the new indoor environment control of one kind and fill with life support
It sets, for realizing treatment subsystem, urine processing subsystem, CO2Remove subsystem, electrolysis oxygen subsystem processed, micro removal
The management of system has high reliablity, real-time to regeneration and non-renewable subsystem real-time monitoring in extraterrestrial life environment and control
The strong feature of property.
Summary of the invention
It is an object of the invention to be directed to above-mentioned the problems of the prior art, a kind of space station environmental Kuznets Curves and life are provided
Safeguards system controller and control method, it is in-orbit with non-renewable management subsystem and single machine by high speed data transfer, regeneration
The technologies such as replacement realize the real-time monitoring and control of regeneration and non-renewable subsystem extraterrestrial life environment, provide reliably for spacefarer
Living environment parameter real time data meet the long-term in-orbit resident need of spacefarer for guaranteeing the safety of extraterrestrial life environment
It wants.
To achieve the goals above, environmental control and life support system controller in space station of the present invention wraps in structure
It includes:
The power supply unit of multiple redundancy settings and the environmental control and life support system unit of multiple redundancies setting, it is described
Power supply unit the voltage on bus can be converted into the control of secondary DC voltage supply environment and life-support systems
Unit is attached between environmental control and life support system unit by interaction channel；The environmental Kuznets Curves and life
Safeguards system unit includes processor module and power conversion module, and processor module connects subsystem management module, in data
Send module, state telemetry module, reset circuit, clock circuit, data storage and program storage, the management subsystem
Module is managed concentratedly by data of the System Management Bus to subsystems, send module by inciting somebody to action external bus in data
Data management system is sent in subsystem management module treated data, state telemetry module works processor module itself
State is sent to TT&C system, and reset circuit provides for processor module powers on initial reset signal, and clock circuit is processor
Module provides operating clock signals；The power conversion module is provided power supply unit by low pressure difference linear voltage regulator LDO
The secondary DC voltage to come over is converted into subsystem management module respectively, send required for module and state telemetry module in data
Operating voltage.
The interaction channel includes for carrying out the open-collector gate level signal circuit of state interaction and being counted
According to interactive RS422 bus.Processor module uses domestic BM3803 processor, the capacity of data storage and program storage
It is 2M byte.Subsystem management module work send module work in RT mode in BC mode, data；System Management Bus with
1553B bus is all made of to external bus.The secondary DC voltage of power supply unit supply environment control and life-support systems unit
For+5V, the secondary DC voltage that power conversion module provides power supply unit is converted into+3.3V and+1.8V voltage respectively.
Subsystem includes treatment subsystem, urine processing subsystem, CO2Remove subsystem, electrolysis oxygen subsystem processed, micro removal subsystem
System.
The control method of environmental control and life support system controller in space station of the present invention, comprising the following steps:
A. treatment subsystem controller, urine processing subsystem controller, CO are collected2Remove subsystem controller, electrolysis
Oxygen subsystem controller processed, micro removal subsystem controller are to the environmental monitoring datas of subsystems；
B. the environmental monitoring data being collected into is analyzed and processed by system controller:
B-1. feed water valve open command is sent when system water shortage, and hydroful alarm command is sent when water is full；
B-2. as needed, send instruction spacefarer's urine is discharged and handled；
B-3. according to the CO in space station2Concentration level opens CO2Removal operation, guarantees CO2Content is in the normal range；
B-4. oxygenerating valve is opened or closed according to the oxygen concentration height in space station, guarantees oxygen content and spacefarer's peace
Entirely；
B-5. according to the testing result of microelement, operation is removed to microelement, guarantees microelement normal
In range.
Compared with prior art, the present invention is with following the utility model has the advantages that the power supply list for passing through the completely redundant setting of setting
Member and environmental control and life support system unit, by upstream power supply system according to system controller working condition to power supply unit
Switch be independently controlled, improve the reliability of product power supply system.Environmental control and life support system unit is main
For the management of subsystem each in cabin, realizes the real-time monitoring and control of regeneration and non-renewable subsystem, reliable environment is provided
Parameter real time data.The present invention uses centralized management mode, and living environment in real-time monitoring and control spacefarer cabin changes
The drawbacks such as data dispersion, complex management in previous environmental control and life support system distributed management, improve system pipes
The efficiency of reason solves the pollution control problems in the in-orbit resident situation of the long-term someone in space station, provides for spacefarer and comfortably exist
Rail work living environment.
Detailed description of the invention
The realization principle block diagram of Fig. 1 present system controller；
The realization principle block diagram of Fig. 2 power supply unit of the present invention；
The structural block diagram of Fig. 3 environmental control and life support system unit of the present invention；
The implementation structural block diagram of Fig. 4 present system controller；
In attached drawing: 1- processor module；2- subsystem management module；Module is sent in 3- data；4- state telemetry module；5-
Reset circuit；6- clock circuit；7- data storage；8- program storage；9- power conversion module.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings.
Referring to Fig. 1, space station environmental control and life support system controller includes two completely redundant power supply units
With two completely redundant environmental control and life support system units, two completely redundant environmental control and life support systems
Unit unite by the progress state interaction of open-collector gate level signal circuit, passes through RS422 bus and carries out data interaction.
Referring to fig. 2, power supply unit of the invention is mainly that environmental monitoring and life-support systems unit provide power supply, can
Voltage on bus is converted into secondary DC voltage supply environment control and life-support systems unit.
Referring to Fig. 3, the environmental control and life support system unit in present system controller includes processor module 1
With power conversion module 9, processor module 1 connects subsystem management module 2, module 3 is sent in data, is state telemetry module 4, multiple
Position circuit 5, clock circuit 6, data storage 7 and program storage 8.Processor module 1 uses domestic BM3803 processor, number
Capacity according to memory 7 and program storage 8 is 2M byte.Subsystem management module 2 is by System Management Bus to each
The data of subsystem are managed concentratedly, and subsystem includes treatment subsystem, urine processing subsystem, CO2 removal subsystem, electricity
Solution oxygen subsystem, micro removal subsystem.Sent in data module 3 by external bus will subsystem management module 2 handle after
Data on be sent to data management system, itself working condition of processor module 1 is sent observing and controlling system by state telemetry module 4
System, the work of subsystem management module 2 send the work of module 3 in RT mode in BC mode, data, System Management Bus and externally total
Line is all made of 1553B bus.Reset circuit 5 provides for processor module 1 and powers on initial reset signal, and clock circuit 6 is processing
Device module 1 provides operating clock signals.Power conversion module 9 was provided power supply unit by low pressure difference linear voltage regulator LDO
Two DC voltages of+5V come are converted into subsystem management module 2 respectively, send module 3 and state telemetry module 4 institute in data
+ the 3.3V and+1.8V voltage needed.
The control method of environmental control and life support system controller in space station of the present invention, comprising the following steps:
A. treatment subsystem controller, urine processing subsystem controller, CO are collected2Remove subsystem controller, electrolysis
Oxygen subsystem controller processed, micro removal subsystem controller are to the environmental monitoring datas of subsystems；
B. the environmental monitoring data being collected into is analyzed and processed by system controller:
B-1. feed water valve open command is sent when system water shortage, and hydroful alarm command is sent when water is full；
B-2. as needed, send instruction spacefarer's urine is discharged and handled；
B-3. according to the CO in space station2Concentration level opens CO2Removal operation, guarantees CO2Content is in the normal range；
B-4. oxygenerating valve is opened or closed according to the oxygen concentration height in space station, guarantees oxygen content and spacefarer's peace
Entirely；
B-5. according to the testing result of microelement, operation is removed to microelement, guarantees microelement normal
In range.
It is verified by practical application, the arrangement achieves the centralized management of regeneration and non-renewable subsystem each in system.
Passing through power supply-distribution system when use is that controller is powered, automatic running after controller power-up, each subsystem control in real-time collecting cabin
The living environment supplemental characteristic of device acquisition processed, and data can be focused on and be analyzed, provide living environment in cabin
Evaluation result distributes control command to each subsystem controller, carries out environment ginseng to subsystems by subsystem controller
It counts and adjusts, guarantee that the safety of the in-orbit extraterrestrial life environment of spacefarer is resident with in-orbit for a long time.The controller is completed development and hands over
It pays user and carries out the use of ground joint-trial, various functions performance indicator meets user's requirement, and controller is working properly.
Claims (7)
1. a kind of space station environmental control and life support system controller, it is characterised in that: the confession including the setting of multiple redundancies
The environmental control and life support system unit of electric unit and the setting of multiple redundancies, the power supply unit can be by a bus
On voltage be converted into the control of secondary DC voltage supply environment and life-support systems unit, environmental control and life support system
It is attached between system unit by interaction channel；The environmental control and life support system unit includes processor module
(1) and power conversion module (9), processor module (1) connection subsystem management module (2), send module (3), state in data
Telemetry module (4), reset circuit (5), clock circuit (6), data storage (7) and program storage (8), the subsystem
Management module (2) is managed concentratedly by data of the System Management Bus to subsystems, and module (3) is sent to pass through in data
Data management system will be sent to external bus, state telemetry module (4) will be located in subsystem management module (2) treated data
Reason device module (1) itself working condition is sent to TT&C system, and reset circuit (5) is that processor module (1) offer powers on initially
Reset signal, clock circuit (6) are that processor module (1) provides operating clock signals；The power conversion module (9) passes through
The secondary DC voltage that low pressure difference linear voltage regulator LDO provides power supply unit is converted into subsystem management module respectively
(2), operating voltage required for module (3) and state telemetry module (4) is sent in data.
2. environmental control and life support system controller in space station according to claim 1, it is characterised in that: described
Interaction channel includes the RS422 of the open-collector gate level signal circuit and progress data interaction for carrying out state interaction total
Line.
3. environmental control and life support system controller in space station according to claim 1, it is characterised in that: processor
Module (1) uses domestic BM3803 processor, and data storage (7) and program storage (8) capacity are 2M byte.
4. environmental control and life support system controller in space station according to claim 1, it is characterised in that: the son
System management module (2) work send module (3) work in RT mode in BC mode, data；
The System Management Bus and 1553B bus is all made of to external bus.
5. environmental control and life support system controller in space station according to claim 1, it is characterised in that: described
The control of power supply unit supply environment and the secondary DC voltage of life-support systems unit are+5V, and power conversion module (9) will be for
Electric unit provides the secondary DC voltage to come and is converted into+3.3V and+1.8V voltage respectively.
6. environmental control and life support system controller in space station according to claim 1, it is characterised in that: subsystem
Including treatment subsystem, urine processing subsystem, CO2Remove subsystem, electrolysis oxygen subsystem processed, micro removal subsystem.
7. a kind of using the space station environmental control and life support system controller as described in any one of claim 1-6
Control method, which comprises the following steps:
A. treatment subsystem controller, urine processing subsystem controller, CO are collected2Remove subsystem controller, electrolysis oxygen processed
System controller, the micro subsystem controller that removes are to the environmental monitoring data of subsystems；
B. the environmental monitoring data being collected into is analyzed and processed by system controller:
B-1. feed water valve open command is sent when system water shortage, and hydroful alarm command is sent when water is full；
B-2. as needed, send instruction spacefarer's urine is discharged and handled；
B-3. according to the CO in space station2Concentration level opens CO2Removal operation, guarantees CO2Content is in the normal range；
B-4. oxygenerating valve is opened or closed according to the oxygen concentration height in space station, guarantees oxygen content and spacefarer's safety；
B-5. according to the testing result of microelement, operation is removed to microelement, guarantees microelement in normal range (NR)
It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811097453.5A CN109240161B (en) | 2018-09-19 | 2018-09-19 | Controller and control method for space station environment control and life support system |
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|---|---|---|---|
| CN201811097453.5A CN109240161B (en) | 2018-09-19 | 2018-09-19 | Controller and control method for space station environment control and life support system |
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| CN109240161A true CN109240161A (en) | 2019-01-18 |
| CN109240161B CN109240161B (en) | 2020-06-09 |
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Cited By (3)
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| CN110006678A (en) * | 2019-04-23 | 2019-07-12 | 西安微电子技术研究所 | A kind of space environment failure diagnosis apparatus and diagnostic method |
| CN110304281A (en) * | 2019-05-24 | 2019-10-08 | 北京天问空间科技有限公司 | A kind of autocontrol method for preventing space station experimental data from losing |
| CN115013432A (en) * | 2022-06-02 | 2022-09-06 | 中国人民解放军国防科技大学 | On-orbit harmful gas removal unit storage device |
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| CN115013432B (en) * | 2022-06-02 | 2023-09-01 | 中国人民解放军国防科技大学 | On-orbit harmful gas removal unit storage device |
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