CN109720524B - System and method for remotely regulating and controlling environment of underwater cabin - Google Patents
System and method for remotely regulating and controlling environment of underwater cabin Download PDFInfo
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- CN109720524B CN109720524B CN201811613667.3A CN201811613667A CN109720524B CN 109720524 B CN109720524 B CN 109720524B CN 201811613667 A CN201811613667 A CN 201811613667A CN 109720524 B CN109720524 B CN 109720524B
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- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 68
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 16
- 230000006837 decompression Effects 0.000 claims description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
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- 230000008859 change Effects 0.000 abstract description 5
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Abstract
The invention discloses an underwater cabin environmentThe remote regulation and control system comprises an overwater platform, an air supply and exhaust subsystem, a cabin environment detection module and a control subsystem, wherein the overwater platform is provided with a vacuum pump unit and a compressed air source; the air supply and exhaust subsystem comprises an exhaust pipeline and an air supply pipeline, and the exhaust pipeline is communicated with the vacuum pump set and the cabin; the air supply pipeline is communicated with a compressed air source and the cabin; the cabin environment detection module detects the temperature, the pressure value and the O of the cabin2Concentration and CO2Concentration; the control subsystem is in signal connection with the vacuum pump unit, the exhaust valve, the pressure reducing valve, the air supply valve and the cabin environment detection module and is used for detecting the pressure value and the O value according to the detected pressure value2Concentration and CO2Safety O whose concentration corresponds to safety pressure value and detected pressure value of cabin2Concentration and corresponding safe CO2And judging whether the cabin needs air supply and exhaust or not according to the concentration, and controlling the vacuum pump unit and the air supply and exhaust subsystem to execute corresponding actions. The invention can acquire the internal environment change of the accident underwater cabin in time and regulate and control in time.
Description
Technical Field
The invention relates to the technical field of rescue and lifesaving, in particular to a system and a method for remotely regulating and controlling the environment of an underwater cabin.
Background
Under the emergency accident of the underwater platform, the long-distance low-pressure closed cabin environment regulation and control system is used for ensuring that the atmospheric pressure and the gas components in the cabin are within the safety range specified by diving medicine, maintaining the minimum survival condition of personnel in the cabin, prolonging the time for the personnel to be assisted, providing favorable conditions for the development of later-stage rescue actions, and being an important means for improving the success rate of rescue. The remote low-pressure closed cabin environment regulation and control technology is a key technology for realizing ventilation and accurate pressure control of an underwater platform cabin in danger under the conditions of large depth and high sea state.
The underwater platform such as an underwater space station, a deep submersible vehicle (flood dragon), a submarine and the like has wide application fields, because the underwater water pressure changes along with the depth, the cabin inside of the underwater platform is under the state of normal pressure (one atmospheric pressure, namely 0.1Mpa), and the external pressure-resistant shell bears very large pressure, when the underwater platform encounters an emergency, for example, a part of cabin pipelines are damaged and enter water, the pressure of the water inlet cabin is increased until the pressure is the same as the depth water pressure.
At present, to the emergent accident that appears in the platform under water, mainly ventilate and decompress the regulation through the gas composition that detects in the exhaust passage at the surface of water, the change of this kind of mode under remote circumstances can not in time reflect the platform internal environment that crashes under water to make timely regulation and control operation, guarantee that the inside personnel of platform are in safe living environment.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an underwater cabin environment remote control system which can timely acquire the internal environment change of a wreckaged underwater cabin and timely control the internal environment change so as to ensure that personnel in the cabin are in a safe living environment.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a remote regulation system for an underwater cabin environment, comprising:
the water platform is provided with a vacuum pump unit and a compressed air source;
the air supply and exhaust subsystem comprises an exhaust pipeline and an air supply pipeline, wherein one end of the exhaust pipeline is connected with the vacuum pump unit, the other end of the exhaust pipeline is used for communicating the cabin, and an exhaust valve is arranged on the exhaust pipeline; one end of the air supply pipeline is connected with a compressed air source, the other end of the air supply pipeline is used for being communicated with the cabin, and a pressure reducing valve and an air supply valve are sequentially arranged on the air supply pipeline along the air conveying direction;
a cabin environment detection module for detecting the temperature, pressure value, and O of the cabin2Concentration and CO2Concentration;
the control subsystem is in signal connection with the vacuum pump unit, the exhaust valve, the pressure reducing valve and the air supply valve, is in signal connection with the cabin environment detection module through an optical cable and is used for receiving the temperature, the pressure value and the O detected by the cabin environment detection module2Concentration and CO2Concentration and according to the detected pressure value, O2Concentration and CO2Safety O whose concentration corresponds to safety pressure value and detected pressure value of cabin2Safe CO corresponding to concentration and detected pressure value2And judging whether the cabin needs air supply and exhaust or not according to the concentration, and controlling the vacuum pump unit and the air supply and exhaust subsystem to execute corresponding actions.
Further, the cabin environment detection module comprises a temperature sensor for detecting the temperature in the cabin, a first pressure sensor for detecting the pressure in the cabin, and a second pressure sensor for detecting the pressure in the cabin2Oxygen sensor for concentration and method for detecting CO in cabin2And the temperature sensor, the first pressure sensor, the oxygen sensor and the carbon dioxide sensor are in signal connection with the control subsystem through the optical cable.
Furthermore, two ends of the optical cable are respectively connected with an underwater optical fiber transceiver and an above-water optical fiber transceiver, and the above-water optical fiber transceiver is in signal connection with the control subsystem;
the regulation and control system also comprises an analog-to-digital converter in signal connection with the cabin environment detection module, and the analog-to-digital converter is in signal connection with the underwater optical fiber transceiver;
the analog-to-digital converter is used for converting the analog signal detected by the cabin environment detection module into a digital signal and sending the digital signal to the underwater optical fiber transceiver;
the underwater optical fiber transceiver is used for receiving the digital signal, converting the digital signal into an optical signal and sending the optical signal to the overwater optical fiber transceiver through the optical cable;
the above-water optical fiber transceiver is used for receiving the optical signal, converting the optical signal into the digital signal and sending the digital signal to the control subsystem.
Furthermore, the control subsystem comprises an exchanger in signal connection with the cabin environment detection module, an industrial personal computer in signal connection with the exchanger and a display connected with the industrial personal computer; and the industrial personal computer is in signal connection with the vacuum pump unit, the exhaust valve, the pressure reducing valve and the air supply valve.
Furthermore, a second pressure sensor is arranged on the outlet side of the air supply pipeline and is in signal connection with the control subsystem and used for detecting the pressure value of the compressed air on the outlet side of the air supply pipeline.
Furthermore, a flowmeter is arranged on the exhaust pipeline and/or the gas supply pipeline and is in signal connection with the control subsystem.
Furthermore, the regulation and control system also comprises a cable and a power supply, wherein one end of the cable is connected with the power supply, and the other end of the cable is used for connecting the cabin and supplying power to the cabin.
Further, the above-water platform is further provided with an alarm, the alarm is connected with the control subsystem, and when the pressure value detected by the cabin environment detection module is greater than the safe pressure value and/or the detected O value2Safety O of concentration corresponding to detected pressure value2Unequal concentrations, and/or detecting CO2Safe CO at a concentration corresponding to the detected pressure value2And when the concentrations are unequal, the alarm gives an alarm.
Further, the alarm is one of a sound alarm, a vibration alarm and an indicator light.
The invention also provides a method for regulating and controlling the environment of the underwater cabin by using the system for remotely regulating and controlling the environment of the underwater cabin, which comprises the following steps:
A. connecting the regulation system with an underwater cabin;
the cabin environment detection module detects the pressure value and O of the cabin2Concentration and CO2Concentration;
B. the control subsystem detects the pressure value and O according to the cabin environment detection module2Concentration and CO2Safety O with concentration corresponding to safety pressure value and detected pressure value2Safe CO corresponding to concentration and detected pressure value2Judging whether air supply and exhaust are needed or not according to the concentration relation; when the detected pressure value is equal to the safe pressure value, the cabin is not damaged and enters the step C, and when the detected pressure value is greater than the safe pressure value, the cabin is damaged and enters the step D;
C. judging the detected O2Concentration and CO2Safety O whether or not the concentrations respectively correspond to the detected pressure values2Safe CO corresponding to concentration and detected pressure value2The concentrations are equal, if yes, the pressure value and O of the cabin are continuously detected2Concentration and CO2Concentration; if not, opening the vacuum pump unit, the exhaust valve, the pressure reducing valve and the air supply valve, keeping the current pressure value of the cabin, and ventilating until the detected O2Concentration and CO2Safety O of concentration corresponding to detected pressure value2Safe CO corresponding to concentration and detected pressure value2The concentration is equal, and F is entered;
D. judging the detected O2Concentration and CO2Safety O whether or not the concentrations respectively correspond to the detected pressure values2Safe CO corresponding to concentration and detected pressure value2If the concentration is equal, opening the vacuum pump unit, the exhaust valve, the pressure reducing valve and the air supply valve, keeping the current pressure value of the cabin, and ventilating until the detected O2Concentration and CO2Safety O of concentration corresponding to detected pressure value2Safe CO corresponding to concentration and detected pressure value2The concentration is equal, and E is entered.
E. Repairing the cabin, and after the cabin is repaired, performing decompression and ventilation until the pressure detected by the cabin environment detection moduleWhen the value is equal to the safe pressure value, the pressure value of the cabin is kept at the safe pressure value, the ventilation is continued, and the pressure value O of the cabin are detected and adjusted in real time in the decompression and ventilation process2Concentration and CO2Concentration of detected O2Concentration and CO2Safety O of concentration corresponding to detected pressure value2Safe CO corresponding to concentration and detected pressure value2The concentrations are equal;
F. real-time detection and adjustment of pressure value O of cabin2Concentration and CO2Concentration, pressure value detected in cabin is equal to safety pressure value, detected O2Concentration and CO2Safety O of concentration corresponding to detected pressure value2Safe CO corresponding to concentration and detected pressure value2The concentrations are equal.
Compared with the prior art, the invention has the advantages that:
the regulation and control system detects the temperature, the pressure value and the O value of the cabin in real time through the cabin environment detection module2Concentration and CO2Concentration, and with detection data transmission to the control subsystem on water to can in time acquire the internal environment of deck under water of accident and change, control subsystem controls vacuum pump unit and confession exhaust subsystem according to detection data and carries out the confession exhaust procedure, thereby makes timely regulation and control, ensures that the inside personnel of deck are in safe living environment, in order to strive for rescue time.
Drawings
FIG. 1 is a schematic diagram of a remote regulation system for an underwater cabin environment provided by an embodiment of the invention;
FIG. 2 is a schematic diagram of an air supply and exhaust subsystem provided by an embodiment of the present invention;
fig. 3 is a schematic diagram of a cabin environment detection module according to an embodiment of the present invention.
In the figure: 1. an above-water platform; 10. a vacuum pump unit; 11. a source of compressed air; 2. a supply and exhaust subsystem; 20. an exhaust duct; 200. an exhaust valve; 201. a flow meter; 21. a gas supply duct; 210. a pressure reducing valve; 211. an air supply valve; 212. a second pressure sensor; 3. a cabin environment detection module; 30. a temperature sensor; 31. a first pressure sensor; 32. an oxygen sensor; 33. a carbon dioxide sensor; 4. a control subsystem; 40. a switch; 41. an industrial personal computer; 42. a display; 5. an underwater optical fiber transceiver; 6. an above-water fiber optic transceiver; 7. an analog-to-digital converter; 8. a cabin; 9. an optical cable.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1 and 2, an embodiment of the present invention provides a remote regulation and control system for an underwater cabin environment, which includes an above-water platform 1, an air supply and exhaust subsystem 2, a cabin environment detection module 3, and a control subsystem 4; wherein,
referring to fig. 2, a vacuum pump unit 10 and a compressed air source 11 are arranged on the water platform 1, the vacuum pump unit 10 is used for generating negative pressure to suck air in the cabin 8 under water, and the compressed air source supplies air to the cabin 8;
referring to fig. 2, the air supply and exhaust subsystem 2 includes an exhaust duct 20 and an air supply duct 21, one end of the exhaust duct 20 is connected to the vacuum pump unit 10, and the other end is used for communicating with the cabin 8, and an exhaust valve 200 is arranged on the exhaust duct 20; one end of the air supply pipeline 21 is connected with the compressed air source 11, the other end of the air supply pipeline is used for being communicated with the cabin 8, and a pressure reducing valve 210 and an air supply valve 211 are sequentially arranged on the air supply pipeline 21 along the air conveying direction;
referring to fig. 3, the cabin environment detection module 3 may be connected to the crash cabin 8 and detect the temperature, pressure, O value of the cabin 82Concentration and CO2Concentration;
referring to fig. 1, the control subsystem 4 may be disposed on the water platform 1, and is in signal connection with the vacuum pump assembly 10, the exhaust valve 200, the pressure reducing valve 210 and the air supply valve 211, the control subsystem 4 may control the opening and closing and the negative pressure of the vacuum pump assembly 10, may control the opening and closing and the opening of the exhaust valve 200, may control the opening and closing and the opening of the pressure reducing valve 210, may control the opening and closing and the opening of the exhaust valve 200, the control subsystem 4 is further in signal connection with the cabin environment detection module 3 through the optical cable 9, and the control subsystem 4 receives the temperature, the pressure value, and the O value detected by the cabin environment2Concentration ofAnd CO2Concentration, and according to the pressure value O detected by the cabin environment detection module 32Concentration and CO2Safety O having concentration corresponding to safety pressure value and detected pressure value of chamber 82Safe CO corresponding to concentration and detected pressure value2Concentration judges whether the cabin 8 needs to supply and exhaust gas to and control vacuum pump unit 10 and supply and exhaust subsystem 2 to carry out corresponding action, wherein, the safe pressure value of cabin 8 is a scope, set up as the scope value that changes in the certain range near ordinary pressure usually, this scope value accords with human dive medical requirement, simultaneously, when personnel dive operation, each pressure corresponds to the safe O who accords with human dive medical requirement2Concentration and safety of CO2Concentration, differential pressure, corresponding safety O2Concentration and safety of CO2The safety O of personnel under corresponding pressure is required due to different concentrations2Concentration and safety of CO2Survival under concentration conditions, safety O2Concentration and safety of CO2Concentrations are also range values. In addition, a safe temperature may be set, or may be in a range.
The regulation and control system provided by the embodiment detects the temperature, the pressure value and the O value of the cabin 8 in real time through the cabin environment detection module 32Concentration and CO2Concentration, and with detection data transmission to control subsystem 4 on water to 8 internal environment changes in cabin under the accident that can in time obtain, control subsystem 4 controls vacuum pump unit 10 and confession exhaust subsystem 2 according to detection data and carries out the confession exhaust procedure, thereby makes timely regulation and control, ensures that the inside personnel in cabin are in safe living environment, in order to strive for rescue time.
Referring to fig. 1 and 3, the cabin environment detection module 3 includes a temperature sensor 30 for detecting the temperature in the cabin 8, a first pressure sensor 31 for detecting the pressure in the cabin 8, and a sensor for detecting the pressure O in the cabin 82 Oxygen sensor 32 for concentration and for detecting CO in the chamber 82The carbon dioxide sensor 33 of concentration, the temperature sensor 30, the first pressure sensor 31, the oxygen sensor 32 and the carbon dioxide sensor 33 are in signal connection with the control subsystem 4 through the optical cable 9, and the temperature sensor 30 and the first pressure sensorThe sensor 31, the oxygen sensor 32 and the carbon dioxide sensor 33 transmit the detection results to the control subsystem 4 in real time.
Referring to fig. 1, two ends of an optical cable 9 are respectively connected with an underwater optical fiber transceiver 5 and an above-water optical fiber transceiver 6, and the above-water optical fiber transceiver 6 is in signal connection with a control subsystem 4; the regulation and control system also comprises an analog-to-digital converter 7 in signal connection with the cabin environment detection module 3, and the analog-to-digital converter 7 is in signal connection with the underwater optical fiber transceiver 5;
the analog-to-digital converter 7 converts an analog signal detected by the cabin environment detection module 3 into a digital signal and sends the digital signal to the underwater optical fiber transceiver 5, and specifically, the temperature sensor 30, the first pressure sensor 31, the oxygen sensor 32 and the carbon dioxide sensor 33 convert an analog signal obtained by monitoring the sensors into a digital signal in real time through the analog-to-digital converter 7 and send the digital signal to the underwater optical fiber transceiver 5;
after receiving the digital signal, the underwater optical fiber transceiver 5 converts the digital signal into an optical signal and then sends the optical signal to the overwater optical fiber transceiver 6 through the optical cable 9;
after optical signal is received to fiber optic transceiver 6 on water, convert optical signal into digital signal to send control subsystem 4, thereby make cabin environment detection module 3 can be in real time with temperature, pressure value, O in the cabin 82Concentration and CO2The concentration information is sent to the on-water control subsystem 4.
Referring to fig. 1, a second pressure sensor 212 is disposed on the outlet side of the air supply duct 21, and the second pressure sensor 212 is in signal connection with the control subsystem 4 and is used for detecting whether the pressure value of the compressed air on the outlet side of the air supply duct 21 matches with the control parameter of the control subsystem 4.
Referring to fig. 2, a flow meter 201 is arranged on the exhaust pipeline 20 and/or the air supply pipeline 21, the flow meter 201 is in signal connection with the control subsystem 4, and the flow meter 201 monitors the flow rate of the corresponding pipeline and sends the flow rate to the control subsystem 4.
The regulation system further comprises a cable and a power supply, one end of the cable is connected with the power supply, and the other end of the cable is used for connecting the cabin 8 and supplying power to the cabin 8.
Water borne deviceThe platform 1 is also provided with an alarm which is connected with the control subsystem 4, and when the pressure value detected by the cabin environment detection module 3 is greater than the safe pressure value and/or the detected O value2Safety O of concentration corresponding to detected pressure value2Unequal concentrations, and/or detected CO2Safe CO at a concentration corresponding to the detected pressure value2When the concentration is unequal, the alarm gives an alarm, and the alarm is one of a sound alarm, a vibration alarm and an indicator light.
Referring to fig. 1, the control subsystem 4 includes an exchanger 40 in signal connection with the cabin environment detection module 3, an industrial personal computer 41 in signal connection with the exchanger 40, and a display 42 connected with the industrial personal computer 41; the industrial personal computer 41 is in signal connection with the vacuum pump unit 10, the exhaust valve 200, the pressure reducing valve 210 and the air supply valve 211. In this embodiment, ethernet is used; the switch 40 is in signal connection with the above-water fibre-optic transceiver 6.
The optical fiber transceiver 6 converts the optical signal into a digital signal, and inputs the digital signal to the industrial personal computer 41 through the switch 40 for control. The industrial personal computer 41 is provided with a control module, the control module calculates a difference value between a detected pressure value and a safe pressure value, the difference value is used as the input of a control algorithm, the control algorithm updates a control signal in real time, the control module also controls the opening and closing and the opening of an air supply valve 211, an exhaust valve 200, a vacuum pump unit 10, a pressure reducing valve 210 and other actuating mechanisms, and the air supply and exhaust flow of the cabin 8 is adjusted, so that the remote pressure accurate regulation and control are realized. During the remote pressure regulation, the supply pressure, the supply flow rate, and the oxygen concentration, the carbon dioxide concentration, the pressure, and the temperature inside the chamber 8 are monitored in real time by the display 42. The control algorithm adopted by the control module comprises the following steps: a conventional PID control algorithm, a PID control algorithm based on fuzzy setting and a composite control algorithm based on a cerebellum model neural network and PID. The underwater platform cabin internal pressure remote accurate regulation control object has the characteristics of nonlinearity, large lag, uncertainty, time-varying property and the like, and the regulation control system realizes the cabin pressure flexible regulation function by utilizing a self-adaptive control algorithm.
Referring to fig. 1, an embodiment of the present invention further provides a method for regulating and controlling an underwater cabin environment by using an underwater cabin environment remote regulation and control system, including the following steps:
s1: when an emergency accident occurs in the underwater cabin 8, connecting the regulation and control system with the cabin 8;
s2: the cabin environment detection module 3 detects the pressure value O of the cabin 82Concentration and CO2Concentration;
s3: the control subsystem 4 detects the pressure value O according to the cabin environment detection module 32Concentration and CO2Safety O with concentration corresponding to safety pressure value and detected pressure value2Safe CO corresponding to concentration and detected pressure value2Judging whether air supply and exhaust are needed or not according to the concentration relation;
when the pressure value detected by the cabin environment detection module 3 is equal to the safety pressure value (since the safety pressure value is a range value that changes within a certain range near the normal pressure, it is determined whether the detected pressure value is equal to the safety pressure value, which means whether the detected pressure value is within the range value of the safety pressure value), it indicates that the cabin 8 is not damaged, and at this time, it is determined whether the detected O value is equal to the safety pressure value2Concentration and CO2Safety O whether or not the concentrations respectively correspond to the detected pressure values2Safe CO corresponding to concentration and detected pressure value2Equal concentration (due to safety O)2Concentration and safety of CO2The concentrations are all range values, so that the detected O is judged2Concentration and safety O2Whether the concentrations are equal or not means that O is detected2Whether the concentration is at safe O2Concentration within this range of values; judging CO by the same principle2Concentration and safety of CO2Whether the concentrations are equal or not means that CO is detected2Whether the concentration is in safe CO2Within the range of concentration), if so, continuously detecting the pressure value O of the chamber 8 in real time2Concentration and CO2Concentration; if not, the vacuum pump unit 10, the exhaust valve 200, the pressure reducing valve 210 and the air supply valve 211 are opened, the current pressure value of the chamber 8 is maintained, and ventilation is performed until the detected O2Concentration and CO2Safety O of concentration corresponding to detected pressure value2Safe CO corresponding to concentration and detected pressure value2The concentration is equal, and the pressure value O of the chamber 8 is continuously detected in real time2Concentration and CO2Concentration (ventilation can be continued as required at this time), and during ventilation, the air supply flow rate and the exhaust flow rate of the chamber 8 are equal to ensure that the pressure of the chamber 8 is not changed;
when the pressure value detected by the cabin environment detection module 3 is greater than the safe pressure value, the cabin 8 is damaged, and at the moment, the detected O is judged2Concentration and CO2Safety O whether or not the concentrations respectively correspond to the detected pressure values2Safe CO corresponding to concentration and detected pressure value2The concentration is equal, if yes, the decompression and ventilation are carried out until the detected pressure value is equal to the safe pressure value (in the process of decompression and ventilation, the pressure value and the O value of the cabin 8 are detected and adjusted in real time2Concentration and CO2Concentration of detected O2Concentration and CO2Safety O of concentration corresponding to detected pressure value2Safe CO corresponding to concentration and detected pressure value2Concentration is equal), the pressure value is kept equal to the safety pressure value, and the pressure value O of the cabin 8 is detected in real time2Concentration and CO2Concentration; if not, the vacuum pump unit 10, the exhaust valve 200, the pressure reducing valve 210 and the air supply valve 211 are opened, the current pressure value of the chamber 8 is maintained, and ventilation is performed until the detected O2Concentration and CO2Safety O of concentration corresponding to detected pressure value2Safe CO corresponding to concentration and detected pressure value2Concentration is equal, and the air supply flow and the exhaust flow of the chamber 8 are equal during ventilation so as to ensure that the pressure of the chamber 8 is not changed; when the pressure is maintained and the ventilation is carried out until the detected O2Concentration and CO2Safety O of concentration corresponding to detected pressure value2Safe CO corresponding to concentration and detected pressure value2After concentration equals, personnel in the cabin 8 can restore the cabin 8, when cabin 8 restores the back, need carry out decompression ventilation, before decompression ventilation, need communicate with personnel in the cabin 8 after and implement, at decompression ventilation in-process, cabin 8's air feed flow is less than the exhaust flow, until the pressure value that cabin environment detection module 3 detected equals with the safe pressure value (in decompression ventilation in-process, real-time detection and adjustment cabin 8's pressure value, O2Concentration and CO2Concentration of detected O2Concentration and CO2Safety O of concentration corresponding to detected pressure value2Safe CO corresponding to concentration and detected pressure value2Concentration is equal), the pressure value of the cabin 8 is kept at a safe pressure value, ventilation is continued, and the pressure value and O of the cabin 8 are continuously detected and adjusted in real time2Concentration and CO2Concentration of detected O2Concentration and CO2Safety O of concentration corresponding to detected pressure value2Safe CO corresponding to concentration and detected pressure value2The concentration is equal, the air supply flow and the exhaust flow of the cabin 8 are equal at the moment, and the decompression rate and the gas composition meet the diving medical requirements in the decompression and ventilation process.
In the processes of pressure maintaining ventilation and pressure reducing ventilation, the pressure, the exhaust valve, the intake valve and the pressure reducing valve can be set manually.
Before pressure maintaining and ventilation are performed, parameters such as the opening degree of the exhaust valve 200, pressure maintaining pressure (or automatically obtained from the cabin environment detection module 3), ventilation time and the like are manually input through a human-computer interface of the industrial personal computer 41, and the pressure reducing valve 210 at the upstream of the air supply valve 211 is set to a corresponding pressure value. After the pressure maintaining ventilation is started, the industrial personal computer 41 automatically outputs the switching value to start the vacuum pump unit 10, and simultaneously outputs the analog quantity to control the exhaust valve 200 to be opened to a corresponding opening (the same as the ventilation flow), and adjusts the air supply valve 211 in real time to enable the pressure in the cabin 8 to be basically kept constant in the ventilation process.
Before the pressure reduction and ventilation are performed, parameters such as a pressure reduction scheme, initial pressure reduction and the like are manually input through a human-computer interface of the industrial personal computer 41, and the air supply valve 211 is in a closed state. After decompression starts, the industrial personal computer 41 automatically outputs switching value to start the vacuum pump unit 10, and simultaneously outputs analog quantity control to control the opening of the exhaust valve 200, so that the pressure in the cabin 8 is gradually reduced according to a decompression scheme, and the decompression rate error is controlled within a range specified by diving medicine.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (9)
1. A method for remotely controlling an underwater cabin environment using an underwater cabin environment remote control system, the underwater cabin environment remote control system comprising:
the water platform (1) is provided with a vacuum pump unit (10) and a compressed air source (11);
the air supply and exhaust subsystem (2) comprises an exhaust pipeline (20) and an air supply pipeline (21), one end of the exhaust pipeline (20) is connected with the vacuum pump unit (10), the other end of the exhaust pipeline is used for being communicated with the cabin (8), and an exhaust valve (200) is arranged on the exhaust pipeline (20); one end of the air supply pipeline (21) is connected with a compressed air source (11), the other end of the air supply pipeline is used for being communicated with the cabin (8), and a pressure reducing valve (210) and an air supply valve (211) are sequentially arranged on the air supply pipeline (21) along the air conveying direction;
a cabin environment detection module (3) for detecting the temperature, pressure value, O of the cabin (8)2Concentration and CO2Concentration;
the control subsystem (4) is in signal connection with the vacuum pump unit (10), the exhaust valve (200), the pressure reducing valve (210) and the air supply valve (211), the control subsystem (4) is in signal connection with the cabin environment detection module (3) through an optical cable (9), and the control subsystem is used for receiving the temperature, the pressure value and the O value detected by the cabin environment detection module (3)2Concentration and CO2Concentration and according to the detected pressure value, O2Concentration and CO2Safety O whose concentration corresponds to the safety pressure value and the detected pressure value of the chamber (8)2Safe CO corresponding to concentration and detected pressure value2The concentration judgment cabin (8) needs air supply and exhaust, and controls the vacuum pump set (10) and the air supply and exhaust subsystem (2) to execute corresponding actions;
the method comprises the following steps:
A. connecting the regulation system with an underwater cabin (8);
the cabin environment detection module (3) detects the pressure value and O of the cabin (8)2Concentration and CO2Concentration;
B. the control subsystem (4) According to the pressure value O detected by the cabin environment detection module (3)2Concentration and CO2Safety O with concentration corresponding to safety pressure value and detected pressure value2Safe CO corresponding to concentration and detected pressure value2Judging whether air supply and exhaust are needed or not according to the concentration relation; when the detected pressure value is equal to the safety pressure value, the cabin (8) is not damaged and enters the step C, and when the detected pressure value is greater than the safety pressure value, the cabin (8) is damaged and enters the step D;
C. judging the detected O2Concentration and CO2Safety O whether or not the concentrations respectively correspond to the detected pressure values2Safe CO corresponding to concentration and detected pressure value2The concentrations are equal, and if yes, the pressure value and O of the chamber (8) are continuously detected2Concentration and CO2Concentration; if not, the vacuum pump unit (10), the exhaust valve (200), the pressure reducing valve (210) and the air supply valve (211) are opened, the current pressure value of the cabin (8) is maintained, and ventilation is carried out until the detected O2Concentration and CO2Safety O of concentration corresponding to detected pressure value2Safe CO corresponding to concentration and detected pressure value2The concentration is equal, and F is entered;
D. judging the detected O2Concentration and CO2Safety O whether or not the concentrations respectively correspond to the detected pressure values2Safe CO corresponding to concentration and detected pressure value2If the concentration is equal, the vacuum pump unit (10), the exhaust valve (200), the pressure reducing valve (210) and the air supply valve (211) are opened, the current pressure value of the cabin (8) is maintained, and ventilation is carried out until the detected O2Concentration and CO2Safety O of concentration corresponding to detected pressure value2Safe CO corresponding to concentration and detected pressure value2The concentration is equal, and E is entered;
E. the cabin (8) is repaired, after the cabin (8) is repaired, decompression ventilation is carried out until the pressure value detected by the cabin environment detection module (3) is equal to the safety pressure value, the pressure value of the cabin (8) is kept at the safety pressure value, ventilation is continued, and in the decompression ventilation process, the pressure value and the O value of the cabin (8) are detected and adjusted in real time2Concentration and CO2Concentration of detected O2Concentration and CO2Safety O of concentration corresponding to detected pressure value2Safe CO corresponding to concentration and detected pressure value2The concentrations are equal;
F. real-time detecting and adjusting the pressure value O of the cabin (8)2Concentration and CO2Concentration, pressure value detected in cabin is equal to safety pressure value, detected O2Concentration and CO2Safety O of concentration corresponding to detected pressure value2Safe CO corresponding to concentration and detected pressure value2The concentrations are equal.
2. The method for remotely controlling the environment of an underwater cabin using an underwater cabin environment as recited in claim 1, wherein: the cabin environment detection module (3) comprises a temperature sensor (30) for detecting the temperature in the cabin (8), a first pressure sensor (31) for detecting the pressure in the cabin (8), and an O sensor for detecting the pressure in the cabin (8)2Oxygen sensor (32) for concentration and method for detecting CO in a chamber (8)2And the temperature sensor (30), the first pressure sensor (31), the oxygen sensor (32) and the carbon dioxide sensor (33) are in signal connection with the control subsystem (4) through the optical cable (9).
3. The method for remotely controlling the environment of an underwater cabin using an underwater cabin environment as recited in claim 1, wherein:
two ends of the optical cable (9) are respectively connected with an underwater optical fiber transceiver (5) and an above-water optical fiber transceiver (6), and the above-water optical fiber transceiver (6) is in signal connection with the control subsystem (4);
the regulation and control system further comprises an analog-to-digital converter (7) in signal connection with the cabin environment detection module (3), and the analog-to-digital converter (7) is in signal connection with the underwater optical fiber transceiver (5);
the analog-to-digital converter (7) is used for converting the analog signals detected by the cabin environment detection module (3) into digital signals and sending the digital signals to the underwater optical fiber transceiver (5);
the underwater optical fiber transceiver (5) is used for receiving the digital signal, converting the digital signal into an optical signal and sending the optical signal to the overwater optical fiber transceiver (6) through the optical cable (9);
the above-water optical fiber transceiver (6) is used for receiving the optical signal, converting the optical signal into the digital signal and sending the digital signal to the control subsystem (4).
4. The method for remotely controlling the environment of an underwater cabin using an underwater cabin environment as recited in claim 1, wherein: the control subsystem (4) comprises an exchanger (40) in signal connection with the cabin environment detection module (3), an industrial personal computer (41) in signal connection with the exchanger (40) and a display (42) connected with the industrial personal computer (41); the industrial personal computer (41) is in signal connection with the vacuum pump unit (10), the exhaust valve (200), the reducing valve (210) and the air supply valve (211).
5. The method for remotely controlling the environment of an underwater cabin using an underwater cabin environment as recited in claim 1, wherein: and a second pressure sensor (212) is arranged on the outlet side of the air supply pipeline (21), and the second pressure sensor (212) is in signal connection with the control subsystem (4) and is used for detecting the pressure value of the compressed air on the outlet side of the air supply pipeline (21).
6. The method for remotely controlling the environment of an underwater cabin using an underwater cabin environment as recited in claim 1, wherein: and a flowmeter (201) is arranged on the exhaust pipeline (20) and/or the gas supply pipeline (21), and the flowmeter (201) is in signal connection with the control subsystem (4).
7. The method for remotely controlling the environment of an underwater cabin using an underwater cabin environment as recited in claim 1, wherein: the regulation and control system also comprises a cable and a power supply, wherein one end of the cable is connected with the power supply, and the other end of the cable is used for connecting the cabin (8) and supplying power to the cabin (8).
8. The method of claim 1 utilizing an underwater cabin ringThe method for regulating and controlling the environment of the underwater cabin by the environment remote regulation and control system is characterized in that: the overwater platform (1) is further provided with an alarm, the alarm is connected with the control subsystem (4), and when the pressure value detected by the cabin environment detection module (3) is greater than the safety pressure value and/or the detected O value2Safety O of concentration corresponding to detected pressure value2Unequal concentrations, and/or detecting CO2Safe CO at a concentration corresponding to the detected pressure value2And when the concentrations are unequal, the alarm gives an alarm.
9. The method for remotely controlling the environment of an underwater compartment using an underwater compartment environment as recited in claim 8, wherein: the alarm is one of a sound alarm, a vibration alarm and an indicator light.
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| CN114537628B (en) * | 2022-03-21 | 2023-03-14 | 中国船舶科学研究中心 | Deep sea platform atmospheric environment comprehensive control device |
| CN115476988B (en) * | 2022-10-23 | 2023-06-06 | 中国人民解放军海军特色医学中心 | Life support system for underwater living cabin of diver and control method |
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| JP2001058597A (en) * | 1999-08-20 | 2001-03-06 | Shigeo Ashiba | Human-powered dividing boat |
| RU2330783C2 (en) * | 2004-07-28 | 2008-08-10 | Войсковая часть 20914 | Device for ventilation of compartments of wrecked submarine laying on floor |
| CN102296983B (en) * | 2011-05-10 | 2014-04-16 | 中安金力（北京）安全生产技术研究院 | Monitoring control system for mobile rescue capsule or fixed refuge chamber |
| CN103027814A (en) * | 2011-10-09 | 2013-04-10 | 杨莲燕 | Medical hyperbaric oxygen chamber therapy system |
| FR2997064B1 (en) * | 2012-10-19 | 2015-07-31 | Dcns | UNDERWATER ENGINE EQUIPPED WITH A SCHNORCHEL SYSTEM DEPORTE |
| CN103204251B (en) * | 2012-11-28 | 2016-09-14 | 北京卫星环境工程研究所 | Personnel's metabolic modeling system for the test of manned spacecraft floor synthetic |
| CN104252138B (en) * | 2014-09-17 | 2016-08-03 | 华中科技大学 | The semi-hardware type simulation test system that a kind of underwater platform controls |
| CN204576240U (en) * | 2015-05-19 | 2015-08-19 | 西安科技大学 | A kind of home environment supervisory system based on WSN technology |
| CN106697238A (en) * | 2016-12-18 | 2017-05-24 | 中国人民解放军91999部队 | Submarine ventilation device |
| CN106955211A (en) * | 2017-04-14 | 2017-07-18 | 贵州风雷航空军械有限责任公司 | A kind of new type auto control medical oxygen compression chamber |
| CN107928931A (en) * | 2017-11-10 | 2018-04-20 | 广东氧丰科技有限公司 | A kind of Household oxygen cabin of Intelligentized regulating and controlling |
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