CN114838764B - Underwater enclosure system applied to automatic monitoring and control of water body anoxic environment - Google Patents
Underwater enclosure system applied to automatic monitoring and control of water body anoxic environment Download PDFInfo
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- CN114838764B CN114838764B CN202210432760.4A CN202210432760A CN114838764B CN 114838764 B CN114838764 B CN 114838764B CN 202210432760 A CN202210432760 A CN 202210432760A CN 114838764 B CN114838764 B CN 114838764B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/1806—Water biological or chemical oxygen demand (BOD or COD)
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
Abstract
The invention discloses an underwater enclosure system applied to automatic monitoring and regulation of an anoxic environment of a water body, which comprises a buoy, a control room and an enclosure; the control room is arranged on the buoy, and the enclosure is arranged at the water bottom; a sealed cabin, a heating device, a liquid injection device and a slide rail are arranged in the enclosure; a sensor group and a valve group are arranged in the sealed cabin, and a main control module, a lifting control device and a silicon controlled module are arranged in the control chamber; the main control module generates a lifting control signal, a voltage control signal and a liquid injection control signal according to the environmental data; the voltage control signal is used for controlling the output voltage of the silicon controlled module, further controlling the working power of the heating equipment and regulating and controlling the temperature in the enclosure; the lifting control device controls the sealed cabin to move up and down in the enclosure under the action of the lifting control signal. The device can form a low-oxygen environment underwater, and can carry out long-term continuous automatic monitoring and control on the low-oxygen environment.
Description
Technical Field
The invention relates to the technical field of anoxic environment research, in particular to an underwater enclosure system applied to automatic monitoring and control of an anoxic environment of a water body.
Background
Under the influence of human behaviors, the scale of global anoxic sea areas is continuously expanded, and the anoxia has wide influence on biological individuals, marine ecosystems, biological geochemical cycles and the like, and along with the aggravation of marine acidification and marine warming problems, the anoxia environment and the two environmental problems are coupled to influence the marine ecosystems, wherein the reason and the evolution process are not clear. The research on the anoxic environment usually adopts methods of field water collection investigation and buoy monitoring, but the methods have the problems of limited data acquisition and limited investigation range respectively. In view of the necessity of research on the problem of hypoxia and the shortcomings of the existing research methods, a new research tool needs to be designed to help monitor and investigate the hypoxic environment. The enclosure is a device designed to simulate natural environment and realize the regulation and control of environmental factors and monitoring, and is widely applied to the research in the marine field. It is known that the existing enclosure experiments are carried out on the water surface, and at present, the work of establishing an enclosure under water and researching an anoxic mechanism and the joint influence of the anoxia, ocean warming and ocean acidification is still in an empty state.
Disclosure of Invention
The invention aims to provide an underwater enclosure system applied to automatic monitoring and control of an anoxic environment of a water body, and aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides an underwater enclosure system applied to automatic monitoring and regulation of an anoxic environment of a water body, which comprises a buoy, a control room and an enclosure;
the control room is arranged on the buoy, and the enclosure is arranged on the water bottom;
a sealed cabin, heating equipment, liquid injection equipment and a slide rail are arranged in the enclosure; the sliding rail is axially arranged on the inner wall of the enclosure, the sealed cabin is connected with the sliding rail through a sliding block, a sensor group and a valve group are arranged in the sealed cabin, the heating equipment is arranged on the outer side wall of the sealed cabin, and the liquid injection equipment is arranged at the bottom of the outer side of the sealed cabin; the sensor group is used for acquiring environmental data of surrounding water bodies;
the control room is connected with the heating equipment, the sensor group, the valve group and the liquid injection equipment which are arranged in the sealed cabin through an umbilical cable, and the umbilical cable comprises a power line, a signal line and a liquid injection hose and can realize power supply, signal transmission and liquid transmission;
a main control module, a lifting control device and a silicon controlled module are arranged in the control chamber;
the main control module is respectively connected with the sensor group, the valve group, the lifting control device and the silicon controlled module, and is used for generating a lifting control signal, a voltage control signal and a liquid injection control signal according to the environment data, sending the lifting control signal to the lifting control device, sending the voltage control signal to the silicon controlled module and sending the liquid injection control signal to the valve group;
the lifting control device is used for controlling the sealed cabin to move up and down in the enclosure under the action of the lifting control signal;
the silicon controlled module is connected with the heating equipment; the voltage control signal is used for controlling the output voltage of the silicon controlled module so as to control the working power of the heating equipment and regulate and control the temperature in the enclosure.
Preferably, the buoy is connected to the water bottom by three anchor lines.
Preferably, the environmental data includes temperature, pH value, nutrient salt concentration and dissolved oxygen content; the sensor group comprises a temperature sensor, a pH value sensor, a nutrient salt concentration sensor, a dissolved oxygen sensor and a depth sensor; the temperature sensor is used for detecting the temperature in the enclosure; the pH value sensor is used for detecting the pH value in the enclosure; the nutrient salt concentration sensor is used for detecting the concentration of nutrient salt in the enclosure; the dissolved oxygen sensor is used for detecting the content of dissolved oxygen in the enclosure; the depth sensor is used for detecting the current depth of the sealed cabin;
the valve group comprises a flow meter and an electromagnetic valve; the flow meter is used for detecting the injection amount of the solution in the enclosure;
the main control module generates a voltage control signal according to the temperature in the enclosure, and generates a liquid injection control signal according to the pH value, the nutrient salt concentration, the dissolved oxygen content and the injection amount of the solution;
the electromagnetic valve is connected with the main control module and used for controlling the on-off of the solution in the enclosure under the action of the liquid injection control signal.
Preferably, the heating device is a heating rod, and the heating rod is connected with the silicon controlled module in the control room through an umbilical cable;
the liquid injection equipment is a disc-shaped water seepage pipe, and small holes are densely distributed in the pipe wall of the water seepage pipe;
a hydraulic source module is also arranged in the control chamber; the hydraulic source module injects solution into the enclosure through the liquid injection hose in the umbilical cable, and the solution is uniformly sprayed into the enclosure through the water seepage pipe and is fully mixed with surrounding seawater.
Preferably, the lifting control device is an electric winch, and the electric winch is connected with the sealed cabin through a twisted rope.
Preferably, the top end of the slide rail protrudes from the inner wall of the enclosure.
Preferably, the enclosure comprises an enclosure body and a base; the enclosure comprises a hoisting ring for hoisting, a glass fiber reinforced plastic cylinder wall and an enclosure pull ring, and the hoisting ring and the enclosure pull ring are arranged on the outer side of the glass fiber reinforced plastic cylinder wall; the base comprises a cement sleeve sleeved at the bottom of the enclosure body, a hollow hexagonal cement base, a base pull ring, a cross rod for connecting the cement sleeve and the hollow hexagonal cement base, and a pull rope for connecting the enclosure pull ring and the base pull ring; the outside of the cement sleeve is hexagonal, the inside of the cement sleeve is circular, and a boss protruding out of the bottom of the cement sleeve is arranged inside the cement sleeve.
Preferably, the water sampler further comprises a guide cage and a guide rope, wherein the guide cage is used for bearing the water sampler, the guide rope is arranged between the bottom of the enclosure and the buoy, and the guide rope is used for guiding the guide cage to slide into the enclosure to collect water samples.
Preferably, an energy module is further arranged in the control room; the energy module is respectively connected with the main control module, the sensor group and the lifting control device, and the energy module is used for supplying power to the main control module, the lifting control device and the sensor group.
Compared with the prior art, the invention has the following beneficial technical effects:
the underwater enclosure system applied to the automatic monitoring and control of the water body anoxic environment provided by the invention provides a new concept of the underwater enclosure, and provides a new research tool for the research of the underwater anoxic problem; compared with laboratory experiments, the underwater barricade system runs in a real marine environment, and the obtained data is more convincing; the system realizes automatic monitoring and regulation of the underwater anoxic environment without excessive interference of manpower; the system is powered by combining solar energy and a storage battery, can realize long-term autonomous operation at the seabed, and continuously observes the transformation rule of underwater environment parameters; various instruments can be arranged in the enclosure, so that the requirement of multidisciplinary research is met, and the interdisciplinary research use is facilitated. In conclusion, the new concept of the underwater enclosure and the research on the problem of oxygen deficiency at the seabed gain.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an underwater enclosure system applied to the automatic monitoring and control of the anoxic environment of a water body in the invention;
FIG. 2 is a front view of the enclosure of the present invention;
FIG. 3 is a top view of the enclosure of the present invention;
FIG. 4 is a cross-sectional view of the enclosure of the present invention;
FIG. 5 is a schematic view of the structure of the capsule of the present invention;
FIG. 6 is a schematic structural view of a guide cage according to the present invention;
FIG. 7 is a control schematic diagram of the underwater barricade system of the present invention;
in the figure: 1. a control room; 2. a guide rope; 3. enclosing; 31. a surrounding and isolating body; 311. a hoisting ring; 312. a cylinder wall; 313. a ring pull of the enclosure body; 32. a base; 321. a cement sleeve; 322. a hollow hexagonal cement base; 323. a base pull ring; 324. a cross bar; 325. pulling a rope; 3211. a boss; 4. sealing the cabin; 5. a slider; 6. a slide rail; 7. an umbilical cable; 8. stranding a rope; 9. an anchor line; 10. a float; 11. a heating rod; 12. a water seepage pipe; 13. a valve block; 14. a sensor group; 141. a temperature sensor; 142. a pH sensor; 143. a nutrient salt concentration sensor; 144. a dissolved oxygen sensor; 145. a depth sensor; 15. a main control module; 16. an electric winch; 17. a silicon controlled module; 18. an electromagnetic valve; 19. an energy module; 191. a solar panel; 192. a solar controller; 193. a storage battery; 194. an inverter; 20. a hydraulic source module; 21. a programmable logic controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The invention aims to provide an underwater enclosure system applied to automatic monitoring and control of an anoxic environment of a water body, and aims to solve the problems in the prior art.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The underwater enclosure system applied to the automatic monitoring and control of the water body anoxic environment in the embodiment is shown in fig. 1 and comprises a buoy 10, a control room 1 and an enclosure 3;
wherein, the control room 1 is arranged on the buoy 10, and the enclosure 3 is arranged at the water bottom;
a sealed cabin 4, a heating device, a liquid injection device and a slide rail 6 are arranged in the enclosure 3; the sliding rail 6 is axially arranged on the inner wall of the enclosure 3, the sealed cabin 4 is connected with the sliding rail 6 through the sliding block 5, a sensor group 14 and a valve group 13 are arranged in the sealed cabin 4, the heating equipment is arranged on the outer side wall of the sealed cabin 4, and the liquid injection equipment is arranged at the bottom of the outer side of the sealed cabin 4; the sensor suite 14 is used to collect environmental data of the surrounding body of water.
A main control module 15, a lifting control device and a silicon controlled module 17 are arranged in the control room 1. In this embodiment, the main control module 15 is a main controller.
As shown in fig. 7, the main control module 15 is connected to the sensor group 14, the valve group 13, the lifting control device, and the silicon controlled module 17, respectively, and the main control module 15 is configured to generate a lifting control signal, a voltage control signal, and a liquid injection control signal according to environmental data, send the lifting control signal to the lifting control device, send the voltage control signal to the silicon controlled module 17, and send the liquid injection control signal to the valve group 13;
the lifting control device is used for controlling the sealed cabin 4 to move up and down in the enclosure 3 under the action of a lifting control signal;
the silicon controlled module 17 is connected with the heating equipment; the voltage control signal is used for controlling the output voltage of the silicon controlled module 17, further controlling the working power of the heating equipment and regulating and controlling the temperature in the enclosure.
In this embodiment, an energy module 19 is further disposed in the control room 1. The energy module 19 is respectively connected with the main control module 15, the sensor group 14 and the lifting control device, and the energy module 19 is used for supplying power to the main control module 15, the lifting control device and the sensor group 14.
Specifically, the energy module 19 includes: solar panel 191, battery 193, solar controller 192, and inverter 194.
The solar panel 191 serves to convert solar energy into electric energy.
The solar controller 192 is connected to the solar panel 191 and the battery 193, respectively, and the solar controller 192 is used for controlling the solar panel 191 to charge the battery 193 and supplying power to a dc load in the system.
The storage battery 193 is connected to the main control module 15 and the sensor group 14, and the storage battery 193 is used for supplying power to the main control module 15 and the sensor group 14.
The inverter 194 is connected to the battery 193 and the up-down control device, respectively, and the inverter 194 is configured to convert dc power of the battery 193 into ac power to supply power to ac loads in the up-down control device and the system.
When the sunshine is insufficient (such as at night, in rainy and snowy days, etc.), the storage battery 193 supplies the electric energy required by the load work; when the sunlight is sufficient, the solar panel 191 directly supplies power to the load and simultaneously charges the storage battery 193.
In this embodiment, a PLC (Programmable Logic Controller) is further disposed in the control room 1, and the Programmable Logic Controller 21 is connected to the lifting control device. The programmable logic controller 21 controls the lifting control device to retract and release the twisted rope, and drives the sealed cabin 4 to move up and down in the enclosure 3.
In this embodiment, the control room 1 is further provided with a GPRS (General packet radio service) module. The GPRS module is connected through a Universal Synchronous Asynchronous Receiver Transmitter (USART) interface, and data are sent to the server.
In this embodiment, the buoy 10 adopts a three-point mooring method, i.e. the buoy 10 is connected to the water bottom by three anchor lines 9; the buoy 10 is used for carrying a control room 1 and its internal equipment, fixing the underwater guide rope 2, marking the position of the enclosure 3 and warning passing ships. The buoy 10 is anchored at three points to limit the amount of torsion of the buoy 10 and prevent torsion of the stranded lines 8 and umbilical 7 connecting the equipment on the buoy 10 to the equipment in the body of the enclosure 3.
In this embodiment, the environmental data includes temperature, pH, nutrient salt concentration, and dissolved oxygen content. The sensor group 14 comprises a temperature sensor 141, a pH value sensor 142, a nutrient salt concentration sensor 143, a dissolved oxygen sensor 144 and a depth sensor 145; the temperature sensor 141 is used for detecting the temperature in the enclosure; the pH value sensor 142 is used for detecting the pH value in the enclosure; the nutrient salt concentration sensor 143 is used for detecting the nutrient salt concentration in the enclosure; the dissolved oxygen sensor 144 is used to detect the dissolved oxygen content within the enclosure. The depth sensor 145 is used to detect the current depth of the capsule 4.
The valve block 13 comprises a flow meter and a solenoid valve 17. The flow meter is used for detecting the injection amount of the solution in the enclosure.
The main control module 15 generates a voltage control signal according to the temperature in the enclosure 3, and generates a liquid injection control signal according to the pH value, the nutrient salt concentration, the dissolved oxygen content and the injection amount of the solution. When temperature regulation and control are carried out, the temperature sensor 141 in the sensor group 14 measures the temperature of the surrounding water body in real time and sends the temperature to the main controller, the main controller runs a temperature control algorithm to calculate the output voltage value of the silicon controlled module 17, the silicon controlled module 17 controls the heating power of the heating rod 11 through the output voltage to heat the surrounding water body, the temperature sensor 141 sends the temperature value measured in real time back to the main controller, the main controller runs the temperature control algorithm, enclosure depth-setting temperature regulation is realized through closed-loop control, and the set time length is stably maintained.
The electromagnetic valve 18 is connected with the main control module 15, and the electromagnetic valve 18 is used for controlling the on-off of the solution in the enclosure 3 under the action of the liquid injection control signal.
In this embodiment, a hydraulic source module 20 is further disposed in the control room 1. The amount of the solution injected into the enclosure 3 is controlled by a hydraulic source module 20, a flow meter and an electromagnetic valve 18, so that the accurate and stable regulation and control of the pH value and the concentration of the nutrient salt are achieved. The master control module 15 is also used to control the hydraulic source module 20 to deliver solution into the enclosure body through the hose in the umbilical 7. The regulation and control of relevant parameters in the enclosure are realized by controlling the amount of the solution conveyed into the enclosure 3.
As shown in fig. 5, the heating device is a heating rod 11, and the heating rod 11 is connected with the thyristor module in the control room 1 through an umbilical cable 7; the liquid injection device is a disc-shaped water seepage pipe 12, and small holes are densely distributed on the pipe wall of the water seepage pipe 12. A hydraulic source module 20 is also arranged in the control room 1; the liquid injection hose that hydraulic pressure source module passes through among the umbilical cable 7 pours into solution into to enclosing 3 into, and solution is evenly sprayed in enclosing 3 through infiltration pipe 12, with the sea water intensive mixing around.
The pH value and the nutrient salt concentration are respectively regulated and controlled by injecting a solution of fully mixing carbon dioxide and seawater and a nutrient salt solution into the enclosure 3. When the solution amount is regulated, the pH sensor 142 and the nutrient salt sensor 143 in the sensor group 14 measure the pH value and the nutrient salt concentration of the surrounding water body in real time and send the measured values to the main controller, and the main controller runs a liquid injection control algorithm to calculate the liquid injection amount. The hydraulic source module 20 in the control room 1 injects solution into the enclosure 3 through the hose in the umbilical cable 7, and the solution is uniformly sprayed in the enclosure 3 through the injection equipment and is fully mixed with the surrounding seawater. The injection amount of the solution is measured by a flowmeter in the sealed cabin 4, and after the injection amount is reached, the main controller controls the electromagnetic valve 18 to close the injection port. In the process of liquid injection, the pH sensor 142 and the nutrient salt concentration sensor 143 in the sensor group 14 transmit the pH value and the nutrient salt concentration value measured in real time to the main controller, the main controller runs the liquid injection control algorithm, the pH value and the nutrient salt concentration of the enclosure are adjusted in a certain depth through closed-loop control, and the set time length is stably maintained.
The underwater enclosure can set the data acquisition type and the data acquisition frequency according to the requirements of users, and the acquisition mode can be divided into profile data acquisition and depth-fixing data acquisition. When data acquisition is carried out, a data acquisition mode, start Time and sampling frequency are set, a Real Time Clock (RTC) wakes up a main controller through a serial peripheral interface (SPI interface) after the sampling Time is reached, the main controller is switched on an energy module, and the energy module starts to supply power for a Programmable Logic Controller (PLC), an electric winch and a sensor group. The PLC controls the electric winch to pull the twisted rope 8, and the sealed cabin 4 is slowly pulled to move towards the top of the enclosure along the sliding rail 6.
When the section data is collected, the PLC controls the electric winch to pull the sealed cabin 4 from the bottom of the enclosure main body to the top, and one-time section data collection work is completed. When the fixed-depth data acquisition is carried out, the main controller calculates the current position by reading the information of the depth sensor 145 in real time, stops the electric winch after the specified depth is reached, and starts the data acquisition work. After receiving the data sent back by the sensor group 14, the main controller sends the data to the server through a GPRS module connected with a serial port USART and backs up the data into an SD (Secure Digital Memory Card), the server screens and processes the data after receiving the data and stores the data into a cloud, and a user can access/download the data through mobile terminal software. After the main control unit finishes data storage and forwarding, the PLC controls the electric winch to rotate reversely, the stranded rope is loosened slowly, the sealed cabin 4 is made to fall back to the bottom of the sliding rail 6 under the dead weight, then the main control module controls the energy module to be disconnected, the system is powered off, the system enters a shutdown mode, only the RTC power supply is left to be connected, and the next acquisition is waited for.
In the embodiment, the lifting control device is an electric winch which is connected with the sealed cabin 4 through a stranded rope 8; the sliding rail 6 is made of PE, and the electric winch pulls the sealed cabin 4 to move on the sliding rail 6 through a nylon stranded rope 8; the rope tightens up, and the sealed cabin 4 is along the slide rail 6 toward enclosing 3 tops and remove, and the rope relaxs, and sealed cabin 4 is under the dead weight toward enclosing 3 bottoms removal, for preventing to pull out slide rail 6 with slider 5, and the length setting of slide rail 6 surpasss to enclose 3 partitions and encloses a body 31 take the altitude, and the top protrusion of slide rail 6 is in the inner wall that encloses 3 promptly.
As shown in fig. 2-4, the enclosure 3 includes an enclosure body 31 and a base 32; the enclosure 31 comprises a hoisting ring 311 for hoisting, a glass fiber reinforced plastic cylinder wall 312 and an enclosure pull ring 313, and the hoisting ring 311 and the enclosure pull ring 313 are both arranged on the outer side of the glass fiber reinforced plastic cylinder wall 312; the base 32 comprises a cement sleeve 321 sleeved at the bottom of the enclosure 31, a hollow hexagonal cement base 322, a base pull ring 323, a cross rod 324 connecting the cement sleeve 321 and the hollow hexagonal cement base 322, and a pull rope 325 connecting the enclosure pull ring 313 and the base pull ring 323; the cement sleeve 321 is hexagonal outside and circular inside, and a boss 3211 protruding out of the bottom of the sleeve is arranged inside; the cylindrical enclosure 31 is adopted mainly in consideration of its simple structure and convenient manufacture. The base 32 is designed to be hollow, so that the flow area can be reduced when the device enters water, the whole weight of the enclosure 3 can be reduced, and the situation that the device sinks into bottom mud due to overweight can be prevented. In order to meet the research on biological and chemical processes, the main body of the enclosure 3 is made of metal materials as much as possible, the enclosure body 31 is made of polyvinyl chloride (PVC), the base 32 is made of cement materials, the enclosure body 31 is corrosion-resistant and can avoid metal pollution, the PVC materials of the enclosure body 31 are lighter than the cement materials of the base 32, the gravity center position of the enclosure 3 is reduced, and the stability of the device is improved.
In this embodiment, the water sampler further comprises a guide cage (as shown in fig. 6) for carrying the water sampler and a guide rope 2, wherein the guide rope 2 is arranged between the bottom of the enclosure 3 and the buoy 10, and the guide rope 2 is used for guiding the guide cage to slide into the enclosure 3 to collect water samples; open-ended guide cage about putting into water sampler during water sampling takes off guide rope 2 on the surface of water buoy 10, penetrates guide rope 2 with the cage, and water sampler encloses partition 3 along guide rope 2 entering, pulls back the device surface of water with cage and the inside through the haulage rope of tie on the cage after having gathered the water sample, and wherein the cage design that loads water sampler is narrow structure under the upper width, and this kind of structure is favorable to the cage to touch and encloses partition 3 smooth when the border in the main part 3 and slide in and enclose partition 3.
In this embodiment, the umbilical cable 7 starts from a position (slightly higher than the height of the main body of the enclosure 3) with a certain height from the water surface, the umbilical cable 7 and the stranded rope 8 are fixed by a rolling belt at a certain distance, the rolling belt is fixed to prevent the stranded rope 8 from being wound with the umbilical cable 7 under the action of water flow and waves, the umbilical cable 7 is fixed from a certain distance from the water surface to ensure that the umbilical cable 7 cannot be wound into the electric winch in the process of withdrawing the stranded rope 8 by the electric winch, the length of the umbilical cable 7 between fixed points is ensured to be slightly larger than the length of the stranded rope 8, and the umbilical cable 7 is prevented from being deformed due to the gravity applied for a long time.
The principle and the implementation mode of the invention are explained by applying specific examples, and the description of the above examples is only used for helping understanding the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In summary, this summary should not be construed to limit the present invention.
Claims (8)
1. The utility model provides an enclose system under water that is applied to automatic monitoring of water oxygen deficiency environment and regulates and control which characterized in that: comprises a buoy, a control room and an enclosure;
the control room is arranged on the buoy, and the enclosure is arranged on the water bottom;
a sealed cabin, heating equipment, liquid injection equipment and a slide rail are arranged in the enclosure; the sliding rail is axially arranged on the inner wall of the enclosure, the sealed cabin is connected with the sliding rail through a sliding block, a sensor group and a valve group are arranged in the sealed cabin, the heating equipment is arranged on the outer side wall of the sealed cabin, and the liquid injection equipment is arranged at the bottom of the outer side of the sealed cabin; the sensor group is used for acquiring environmental data of surrounding water bodies;
the control room is connected with the heating equipment, the sensor group, the valve group and the liquid injection equipment which are arranged in the sealed cabin through an umbilical cable, and the umbilical cable comprises a power line, a signal line and a liquid injection hose and can realize power supply, signal transmission and liquid transmission;
a main control module, a lifting control device and a silicon controlled module are arranged in the control chamber;
the master control module is respectively connected with the sensor group, the valve group, the lifting control device and the silicon controlled module, and is used for generating a lifting control signal, a voltage control signal and a liquid injection control signal according to the environmental data, sending the lifting control signal to the lifting control device, sending the voltage control signal to the silicon controlled module and sending the liquid injection control signal to the valve group;
the lifting control device is used for controlling the sealed cabin to move up and down in the enclosure under the action of the lifting control signal;
the silicon controlled module is connected with the heating equipment; the voltage control signal is used for controlling the output voltage of the silicon controlled module so as to control the working power of the heating equipment and regulate and control the temperature in the enclosure;
the enclosure comprises an enclosure body and a base; the enclosure comprises a hoisting ring for hoisting, a glass fiber reinforced plastic cylinder wall and an enclosure pull ring, and the hoisting ring and the enclosure pull ring are arranged on the outer side of the glass fiber reinforced plastic cylinder wall; the base comprises a cement sleeve sleeved at the bottom of the enclosure body, a hollow hexagonal cement base, a base pull ring, a cross rod for connecting the cement sleeve and the hollow hexagonal cement base, and a pull rope for connecting the enclosure pull ring and the base pull ring; the cement sleeve is hexagonal outside, and inside is circular, and inside has the boss of a protrusion bobbin base.
2. The underwater enclosure system applied to the automatic monitoring and control of the anoxic environment of the water body according to claim 1, wherein: the buoy is connected with the water bottom through three anchor ropes.
3. The underwater enclosure system applied to the automatic monitoring and control of the anoxic environment of the water body according to claim 1, wherein: the environmental data comprises temperature, pH value, nutrient salt concentration and dissolved oxygen content;
the sensor group comprises a temperature sensor, a pH value sensor and a nutrient salt concentration sensor 、 A dissolved oxygen sensor and a depth sensor; the temperature sensor is used for detecting the temperature in the enclosure; the pH value sensor is used for detecting the pH value in the enclosure; the nutrient salt concentration sensor is used for detecting the concentration of nutrient salt in the enclosure; the dissolved oxygen sensor is used for detecting the content of dissolved oxygen in the enclosure; the depth sensor is used for detecting the current depth of the sealed cabin;
the valve group comprises a flowmeter and an electromagnetic valve; the flow meter is used for detecting the injection amount of the solution in the enclosure;
the main control module generates a voltage control signal according to the temperature in the enclosure, and generates a liquid injection control signal according to the pH value, the nutrient salt concentration, the dissolved oxygen content and the injection amount of the solution;
the electromagnetic valve is connected with the main control module and used for controlling the on-off of the solution in the enclosure under the action of the liquid injection control signal.
4. The underwater enclosure system applied to the automatic monitoring and control of the anoxic environment of the water body as claimed in claim 1, wherein: the heating device is a heating rod, and the heating rod is connected with the silicon controlled module in the control room through an umbilical cable;
the liquid injection equipment is a disc-shaped water seepage pipe, and small holes are densely distributed in the pipe wall of the water seepage pipe;
a hydraulic source module is also arranged in the control chamber; the hydraulic source module is through annotate liquid hose in the umbilical cable toward inject solution in enclosing and separating, solution pass through the infiltration pipe is evenly sprayed in enclosing and separating, with the sea water intensive mixing around.
5. The underwater enclosure system applied to the automatic monitoring and control of the anoxic environment of the water body according to claim 1, wherein: the lifting control device is an electric winch which is connected with the sealed cabin through a twisted rope.
6. The underwater enclosure system applied to the automatic monitoring and control of the anoxic environment of the water body as claimed in claim 1, wherein: the top end of the sliding rail protrudes out of the inner wall of the enclosure.
7. The underwater enclosure system applied to the automatic monitoring and control of the anoxic environment of the water body as claimed in claim 1, wherein: still including being used for bearing water sampling device's guide cage and guide rope, the guide rope set up in enclose separate the bottom with between the buoy, the guide rope is used for guiding the guide cage slides in and encloses the water sample of gathering in separating.
8. The underwater enclosure system applied to the automatic monitoring and control of the anoxic environment of the water body according to claim 1, wherein: an energy module is also arranged in the control chamber; the energy module is respectively connected with the main control module, the sensor group and the lifting control device, and the energy module is used for supplying power to the main control module, the lifting control device and the sensor group.
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| CN202210432760.4A CN114838764B (en) | 2022-04-24 | 2022-04-24 | Underwater enclosure system applied to automatic monitoring and control of water body anoxic environment |
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| CN202210432760.4A CN114838764B (en) | 2022-04-24 | 2022-04-24 | Underwater enclosure system applied to automatic monitoring and control of water body anoxic environment |
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| CN114838764B true CN114838764B (en) | 2023-03-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102175824A (en) * | 2010-12-10 | 2011-09-07 | 刘录三 | Automatic height-adjustment lake ecological experimental enclosure with siphon sampling function |
| CN103267518A (en) * | 2013-05-07 | 2013-08-28 | 浙江大学 | Artificial upwelling marine environment multi-parameter real-time continuous three-dimensional monitoring system |
| CN103977850B (en) * | 2014-06-11 | 2015-09-16 | 国家海洋标准计量中心 | High accuracy seawater alternating temperature thermostatic bath system |
| CN204350884U (en) * | 2014-11-21 | 2015-05-27 | 华中农业大学 | There is the pond enclosure of micropore oxygenation function |
| CN104802936B (en) * | 2015-04-28 | 2017-07-04 | 中国农业大学 | A kind of paralic environment monitering buoy and system |
| CN105842412A (en) * | 2016-03-24 | 2016-08-10 | 中国科学院重庆绿色智能技术研究院 | Water environment vertical distribution comprehensive on-line monitoring buoy and monitoring system |
| CN210665583U (en) * | 2019-08-21 | 2020-06-02 | 山东省科学院海洋仪器仪表研究所 | Flow cell type seawater multi-parameter water quality monitoring device |
| CN113585156B (en) * | 2021-07-30 | 2022-06-21 | 长江水利委员会长江科学院 | Lifting type floating enclosure device with detachable bottom |
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