CN113917962A - Full-sea deep sea environment simulation cabin - Google Patents
Full-sea deep sea environment simulation cabin Download PDFInfo
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Abstract
The invention belongs to the technical field of marine environment pressure chambers, and particularly relates to a full-sea deep-sea marine environment simulation chamber, wherein a standard marine sensor which can bear pressure and accurately measure temperature, salinity and pressure parameters is distributed in the pressure simulation chamber for monitoring the environment in the pressure simulation chamber, the environmental parameters in the pressure simulation chamber are accurately adjusted through a controller for realizing the marine environment with high resolution and high precision deep-sea kilometer pressure and annual temperature fluctuation, a temperature and salt depth standard marine sensor which can resist pressure and accurately measure temperature, salinity and pressure parameters is distributed in the pressure simulation chamber for monitoring the environment in the pressure simulation chamber, the environmental parameters in the pressure simulation chamber are accurately adjusted through the controller for combining a temperature control main tank and a temperature control auxiliary tank, the temperature range of the temperature control main tank is wider, the requirement on the temperature control precision is higher, the temperature of the temperature control auxiliary tank and the temperature of the temperature control main tank are kept at a constant value, and a stable constant temperature and constant flow constant temperature source is provided for the temperature control of the temperature control main tank.
Description
The technical field is as follows:
the invention belongs to the technical field of marine environment pressure cabins, and particularly relates to a full-sea deep-sea and ocean environment simulation cabin which can simulate a more real deep-sea environment and provides a land simulation laboratory for researching a marine sensor.
Background art:
the sea water temperature, salinity and depth are important characteristics of the sea and are the most basic parameters in marine hydrological measurement, and the prior art mainly measures the sea water temperature, salinity and pressure through a sea sensor consisting of a temperature sensor, a salinity sensor and a pressure sensor. At present, the ocean sensors are all used for measuring in the land normal pressure environment, and the performance of the ocean sensors under the deep sea pressure cannot be checked. In practical application, the performance of the ocean sensor can drift under deep sea pressure, and the accuracy of measurement is affected. Based on the method, a system capable of simulating the real marine environment is established on land to accurately simulate the temperature, salinity and pressure in the deep-sea high-pressure environment, and the method has important significance for researching the performance of the marine sensor in the deep sea.
The marine micro-ecological environment simulation cabin disclosed in chinese patent 201510870663.3 comprises a cabin body main body divided into a plurality of laminar flow simulation units in the height direction, a transparent shell is arranged at the top of the laminar flow simulation unit on the uppermost layer, a natural light simulation system with manually adjustable illumination intensity and direction is arranged at the top of the transparent shell, a liquid feeding system, a temperature control system, a laminar flow generation system and a gas increasing system which are respectively connected with each laminar flow simulation unit are arranged at the outer side of the cabin body main body, a liquid inlet and a temperature control port are respectively arranged at both sides of the cabin body side wall of each laminar flow simulation unit, an observation port and a sensor with one end positioned at the inner side of the cabin body are respectively arranged on the cabin body side wall of each laminar flow simulation unit, and a liquid discharge port is arranged on the cabin body side wall of the laminar flow simulation unit at the lowermost layer; a flow dispersing plate is arranged on the inner side wall of the cabin body main body at the inner side of the liquid inlet and the temperature control port; the liquid adding system comprises a liquid distribution pool arranged on the upper part of the outer side of the cabin body and a flow speed pump arranged on the outer side of each laminar flow simulation unit cabin body, the temperature control system comprises a refrigerating and heating system, a cold water circulating pump and a heat exchanger which are arranged on the outer side of each laminar flow simulation unit cabin body, the gas increasing system comprises a gas storage tank arranged on the lower part of the outer side of the cabin body, a static mixer arranged on the outer side of each laminar flow simulation unit cabin body and a gas increasing control system for controlling gas pressure and flow, and the flow speed pump also forms a laminar flow generating system; the liquid distribution tank is connected with a liquid feeding pipe which is arranged at the outer side of each laminar flow simulation unit cabin body in parallel through a pipeline, the outlet end of the liquid feeding pipe of each laminar flow simulation unit is communicated with the material inlet of a heat exchanger through a first manual valve, a second manual valve, a static mixer, a third manual valve, a flow rate pump and a fourth manual valve which are arranged at the outer part of each laminar flow simulation unit cabin body in sequence after being converged, the material outlet of the heat exchanger is divided into two paths of a bypass pipeline and a filtering pipeline after passing through a fifth manual valve through the pipeline, an electric valve is arranged on the bypass pipeline, a filter is arranged on the filtering pipeline, electric valves are respectively arranged on the filtering pipelines at the two sides of the filter, the bypass pipeline and the filtering pipeline are communicated with the liquid inlet of the corresponding laminar flow simulation unit after being mixed, and the pipeline between the first manual valve and the second manual valve is communicated with the temperature control port of the corresponding laminar flow simulation unit through an electric valve, the medium outlet of the heat exchanger is communicated with the medium inlet of the heat exchanger through an electric valve, a cold water circulating pump, a sixth manual valve, a refrigerating and heating system and a seventh manual valve through pipelines; the air storage tank is communicated with the merging end of the liquid feeding pipe of the lowest laminar flow simulation unit through a pipeline after passing through the air increasing control system, the electric valve and the eighth manual valve; the Chinese patent 201721680229.X discloses a pressure control system of a deep sea environment simulation device, which comprises an environment simulation cabin, a high-pressure water pump, a direct-current motor, a rotating speed acquisition unit, a current acquisition unit, a control unit, a PWM (pulse-width modulation) conditioning unit, a motor driving unit, a display unit and a communication unit; the rotating speed acquisition unit acquires rotating speed information of the direct current motor and outputs a pulse signal to the control unit; the current acquisition unit acquires working current information of the direct current motor, outputs an analog voltage signal and sends the analog voltage signal to the control unit; the control unit processes the acquired rotating speed information and the acquired working current information and outputs a PWM (pulse-width modulation) speed regulating signal of the direct current motor; the PWM conditioning unit conditions the PWM speed regulating signal output by the control unit to obtain a desired output signal, and the desired output signal is sent to the motor driving unit; the motor driving unit receives the PWM speed regulating signal to control the rotating speed of the direct current motor; the direct current motor drives the high-pressure water pump to provide a continuously adjustable pressure source for the environment simulation cabin; the control unit is also connected with the display unit and sends the rotating speed and the working current of the direct current motor obtained by processing to the display unit for real-time display; the control unit uploads the calculated data to an upper computer through the communication unit, and the upper computer sends a set rotating speed value and a set working current value to the control unit for storage; the direct current motor is a three-phase brushless direct current motor with 4 pairs of magnetic poles; the rotating speed acquisition unit selects position sensors to detect position signals of the direct current motor, the number of the position sensors is 3, and the position sensors are placed at intervals of 30 degrees; the control unit selects an 8-bit AVR microprocessor ATmega 8L. None of the above-mentioned patent products are capable of verifying and calibrating marine sensors. Therefore, a full-sea deep-sea environment simulation cabin is developed and designed, and the key technology for inspection and the calibration core algorithm of the sea sensor are researched and filled in the full-sea deep-sea environment simulation cabin.
The invention content is as follows:
the invention aims to overcome the defects in the prior art and seek to design a marine environment simulation cabin with the whole-sea deep temperature range of-5 ℃ to 35 ℃, the salinity range of 0-42PSU and the pressure range of 0-120Mpa so as to establish a land laboratory with deep-sea myriameter pressure and annual temperature fluctuation.
In order to achieve the purpose, the main structure of the full-sea-depth marine environment simulation cabin comprises a temperature control main tank, a temperature control auxiliary tank, a pressure control system, a pressure simulation cabin immersed in the temperature control main tank and a pressure-resistant coil pipe connected with the temperature control main tank and the simulation pressure cabin; the temperature of the temperature control main tank and the internal temperature of the simulated pressure cabin are finally balanced through the circulation of a liquid medium in the temperature control main tank in the pressure-resistant coil; wherein, the liquid medium in the large pressure simulation cabin and the small pressure simulation cabin is not communicated, and the temperature is exchanged only through the pressure-resistant coil.
The invention relates to a full-sea deep marine environment simulation cabin which has the following principle: the pressure simulation cabin simulates the environment of high pressure, temperature and salinity in deep sea, the temperature control auxiliary tank primarily adjusts the temperature of the temperature control main tank, the temperature control main tank adjusts the pressure simulation cabin with higher precision, the low-precision temperature control auxiliary tank and the liquid medium in the high-precision temperature control main tank are circulated through the circulating pipeline, so that the temperature in the high-precision temperature control main tank is controlled with higher precision, then the liquid medium in the high-precision temperature control main tank is injected into the pressure-resistant coil pipe through the pressure-resistant pipeline, and the liquid medium exchanges temperature with the liquid medium in the pressure simulation cabin in the flowing process of the pressure-resistant coil pipe, so that the temperature in the pressure simulation cabin and the temperature of the high-precision temperature control main tank are balanced; the high-precision control of the pressure and the temperature in the pressure simulation cabin is realized through the three-stage temperature control of the temperature control main tank, the temperature control auxiliary tank and the pressure simulation cabin, and the integrated design of the temperature control main tank and the pressure simulation cabin can ensure that the control precision of the temperature in the pressure simulation cabin under the condition of reproducing the deep sea high pressure reaches +/-0.0003 ℃, so that the high-precision control of the temperature, the salinity and the pressure is realized simultaneously, and the method has important significance for the inspection key technology and the calibration core algorithm of the marine sensor for researching the temperature, the salinity and the pressure under the simulated deep sea environment.
Compared with the prior art, the invention arranges a standard ocean sensor which can bear pressure and accurately measure temperature, salinity and pressure parameters in the pressure simulation cabin, is used for monitoring the environment in the pressure simulation cabin, accurately adjusts the environmental parameters in the pressure simulation cabin through the controller, realizes the simulation of the deep-sea myriameter pressure with high resolution and high precision and the ocean environment with the temperature range of-5 to 35 ℃ and the salinity range of 0 to 42PSU and the temperature fluctuation all the year around, arranges a temperature and salinity depth standard ocean sensor which can resist pressure and accurately measure the temperature, the salinity and the pressure parameters in the pressure simulation cabin, is used for monitoring the environment in the pressure simulation cabin, accurately adjusts the environmental parameters in the pressure simulation cabin through the controller, combines the temperature control main tank with the temperature control auxiliary tank, has wider temperature range of the temperature control main tank, the requirement on temperature control precision is high, the temperature of the auxiliary temperature control tank and the temperature of the main temperature control tank are kept at a constant value, a stable constant-temperature constant-flow constant-temperature source is provided for temperature control of the main temperature control tank, and the main temperature control tank, the auxiliary temperature control tank and the pressure simulation cabin can enable the internal temperature precision of the pressure simulation cabin to reach +/-0.0001 ℃; the temperature control device is simple in main structure, simulates a more real deep sea environment through three-level temperature control of the temperature control main tank, the temperature control auxiliary tank and the pressure simulation cabin and pressure and salinity control of the pressure simulation cabin, realizes temperature measurement with higher precision, and has important significance for researching the performance of the temperature and salt deep sea sensor under the deep sea environment.
Description of the drawings:
fig. 1 is a schematic view of a principal structural principle of embodiment 1 of the present invention.
Fig. 2 is a schematic view of a main structure principle of a pressure simulation chamber according to embodiment 1 of the present invention.
Fig. 3 is a schematic view of a main structure principle of embodiment 2 of the present invention.
Fig. 4 is a schematic view of a main structure principle of a pressure simulation chamber according to embodiment 2 of the present invention.
The specific implementation mode is as follows:
the invention is further described below by way of an embodiment example in conjunction with the accompanying drawings.
Example 1:
the main structure of the full-sea-depth marine environment simulation cabin related to the embodiment comprises a temperature control main tank 1, a temperature control auxiliary tank 2, a circulating pipeline 3, a pressure simulation cabin 4, a pressure-resistant pipeline 5, a controller 6, a pressure pump 7, a servo electric cylinder 8 and a pressure control system 9; the temperature control main tank 1 is connected with the temperature control auxiliary tank 2 through a circulating pipeline 3, a pressure simulation cabin 4 is arranged inside the temperature control main tank 1, the temperature control main tank 1 is communicated with the pressure simulation cabin 4 through a pressure-resistant pipeline 5, the temperature control main tank 1, the temperature control auxiliary tank 2 and the pressure simulation cabin 4 are respectively connected with a controller 6, the pressure simulation cabin 4 is respectively connected with a pressure pump 7 and a servo electric cylinder 8 in a pipeline manner, and the pressure pump 7 and the servo electric cylinder 8 are respectively connected with a pressure control system 9.
The main body structures of the temperature control main tank 1 and the temperature control auxiliary tank 2 related to the embodiment are the same, and both comprise a tank body 10, universal wheels 11, a thermostatic tank 12, a temperature sensor 13, a temperature controller 14 and a display 15; 3-6 universal wheels 11 are arranged at the bottom of the tank body 10, a thermostatic tank 12 is arranged above the inside of the tank body 10, temperature sensors 13 are arranged on the side portion and the bottom of the thermostatic tank 12 at equal intervals, a temperature controller 14 is arranged below the inside of the tank body 10, the thermostatic tank 12 is connected with the temperature controller 14, a display 15 is arranged at the top of the tank body 10, and the display 15 is respectively connected with the controller 6, the temperature sensors 13 and the temperature controller 14.
The submersible pump 16 is provided inside the thermostatic bath 12 of the temperature-controlled main bath 1 according to the present embodiment, and the submersible pump 16 is connected to the thermostatic bath 12 of the temperature-controlled auxiliary bath 2 through the circulation line 3.
The main structure of the pressure simulation cabin 4 related to the embodiment comprises a large pressure simulation cabin 40, a small pressure simulation cabin 41, a connecting rod 42, a pressure cabin sealing interface 43, a pressure cabin watertight interface 44, a pressure-resistant coil 45, a pressure-resistant coil watertight interface 46, a standard marine sensor 47, a marine sensor to be detected 48, a wire harness 49 and a printed circuit board 50; the large pressure simulation cabin 40 with a hollow structure is internally provided with a small pressure simulation cabin 41, the large pressure simulation cabin 40 is connected with the small pressure simulation cabin 41 through a connecting rod 42, the upper parts of the large pressure simulation cabin 40 and the small pressure simulation cabin 41 are symmetrically provided with two pressure cabin sealing ports 43, the bottom of the large pressure simulation cabin 40 and the top of the small pressure simulation cabin 41 are respectively provided with a pressure cabin watertight port 44, the inner walls of the large pressure simulation cabin 40 and the small pressure simulation cabin 41 are respectively wound with a pressure-resistant coil 45 in a snake shape, the large pressure simulation cabin 40 and the small pressure simulation cabin 41 are respectively provided with two pressure-resistant coil watertight ports 46, one of the two pressure-resistant coil watertight ports 46 is used as an inlet, the other is used as an outlet, the pressure-resistant coil 45 is connected with the pressure-resistant coil watertight port 46, and the pressure-resistant coil watertight port 46 of the small pressure simulation cabin 41 extends to the outside of the large pressure simulation cabin 40, three standard ocean sensors 47 are laid on the inner wall of the large pressure simulation cabin 40 at equal intervals, one standard ocean sensor 47 and three ocean sensors 48 to be detected are arranged inside the small pressure simulation cabin 41, the standard ocean sensor 47 with a pressure-resistant shell is connected with a wire bundle 49 with a pressure-resistant shell, which sequentially penetrates through the large pressure simulation cabin 40 and the small pressure simulation cabin 41 from the outside, the ocean sensor 48 to be detected is connected with a printed circuit board 50 with a protective shell, which is positioned in the large pressure simulation cabin 40, and the protective shell of the small pressure simulation cabin 41 and the printed circuit board 50 are connected through a sealing ring and a bolt or an adhesive.
The constant temperature bath 12, the large pressure simulation chamber 40 and the small pressure simulation chamber 41 according to the present embodiment are provided with a liquid medium 100 inside, and the liquid medium 100 includes seawater, oil, antifreeze and water to simulate the real state of the ocean.
The size of the temperature control main tank 1 related to the embodiment is larger than that of the temperature control auxiliary tank 2; the temperature control main tank 1 is respectively communicated with the pressure resistant coil 45 of the large pressure simulation cabin 40 and the small pressure simulation cabin 41 through a pressure resistant pipeline 5 and a pressure resistant coil watertight interface 46, the temperature control main tank 1 adopts a magnetic coupling stirring technology, the temperature range of the temperature control main tank 1 is-10 to 45 ℃, the temperature fluctuation degree is less than or equal to +/-0.0003 ℃, the horizontal and vertical uniformity is less than or equal to 0.0005 ℃, the resolution is 0.0001 ℃, the temperature range of the temperature control auxiliary tank 2 is-15 to 50 ℃, the temperature fluctuation degree is less than or equal to +/-0.003 ℃, the horizontal and vertical uniformity is less than or equal to 0.005 ℃ and the resolution is 0.001 ℃; the temperature control main tank 1 is communicated with the temperature control auxiliary tanks 2 through the circulating pipeline 3 to realize circulation of the liquid media 100 in the two constant temperature tanks 12, and the temperature control auxiliary tanks 2 can provide constant flow and constant temperature liquid media 100 for high-precision temperature control of the temperature control main tank 1; the circulation pipeline 3 is a multi-layer PVC composite pipe, and a polyurethane heat-insulating layer is additionally arranged, so that the loss of cold energy in the conveying process of the liquid medium 100 can be reduced; the whole pressure simulation cabin 4 is of a cylindrical structure and can bear pressure within the range of 0-160 Mpa; the controller 6 adopts a PID + fuzzy control mode, the temperature control precision is +/-0.0005 ℃, the temperature of the liquid medium 100 of the temperature control main tank 1, the temperature control auxiliary tank 2 and the pressure simulation cabin 4 and the pressure and salinity of the pressure simulation cabin 4 are respectively controlled, the controller 6 monitors the temperature, salinity and pressure states of the pressure simulation cabin 4 and the thermostatic tank 12 in real time, the thermostatic tank 12, the display 15, the standard ocean sensor 47 and the ocean sensor 48 to be detected are monitored in a networking mode, the temperature, salinity and pressure data of the pressure simulation cabin 4 and the thermostatic tank 12 and the temperature, salinity and pressure data of the ocean sensor 48 to be detected are automatically collected, data processing and storage are carried out, remote monitoring is realized, and the controller 6 is respectively connected with the display 15 and the lead bundle 49 of the temperature control main tank 1 and the temperature control auxiliary tank 2; the pressure pump 7 is connected with a pressure chamber watertight interface 44 of the large pressure simulation chamber 40, and controls the pressure of the large pressure simulation chamber 40; the servo electric cylinder 8 is connected with a pressure chamber watertight interface 44 of the small pressure simulation chamber 41, and the pressure of the small pressure simulation chamber 41 is controlled with higher precision; the inner wall of the thermostatic bath 12 is made of corrosion-resistant materials, including titanium alloy and stainless steel; the temperature sensor 13 is a thermistor, a Pt100 platinum resistor or a liquid temperature sensor, the temperature control precision of the temperature sensor 13 of the temperature control main tank 1 is +/-0.01 ℃ to +/-0.0003 ℃, and the temperature control precision of the temperature sensor 13 of the temperature control auxiliary tank 2 is +/-0.1 ℃ to +/-0.003 ℃; the resolution of the temperature controller 14 is one hundred thousand, and the temperature control precision is one ten thousand; the display 15 is capable of displaying temperature, salinity and pressure values; the large pressure simulation chamber 40 and the small pressure simulation chamber 41 are made of pressure-resistant materials, including titanium alloy shells and stainless steel, the size of the large pressure simulation chamber 40 is larger than that of the small pressure simulation chamber 41, the inner diameter of the large pressure simulation chamber 40 is 100-; the liquid medium 100 in the pressure-resistant coil 45 and the liquid medium 100 in the thermostatic bath 12 circulate under the action of the submersible pump 16, and the temperature balance of the liquid medium 100 inside and outside the large-pressure simulation chamber 40 and the small-pressure simulation chamber 41 is realized through the circulation communication of the liquid medium 100; the pressure-resistant coil watertight interfaces 46 can be arranged at the top or the bottom of the large pressure simulation cabin 40 and the small pressure simulation cabin 41 at the same time, or can be arranged at the top or the bottom respectively; the standard ocean sensor 47 is a calibrated sensor with a pressure-resistant shell and used for accurately monitoring the environmental temperature, salinity and pressure parameters, and the standard ocean sensor 47 in the large-pressure simulation cabin 40 is not influenced by pressure; the marine sensors 48 to be tested are temperature, salinity and pressure sensors to be tested; the printed circuit board 50 is integrated with a circuit module, a communication module and a power module, real-time data measurement is carried out on the ocean sensor 48 to be detected, data are stored, and the protective shell of the printed circuit board 50 is not affected by stress.
When the full-sea-depth marine environment simulation cabin related to the embodiment is used, the pressure simulation cabin 4 is placed in the liquid medium 100 in the temperature control main tank 1, the liquid medium 100 in the temperature control main tank 1 is pumped into the pressure-resistant coil 45 through the submersible pump 16, the liquid medium 100 enters the pressure-resistant coil 45 from one pressure-resistant coil watertight interface 46 and turns and then comes out from the other pressure-resistant coil watertight interface 46, the high-precision temperature control is performed on the liquid medium 100 in the large pressure simulation cabin 40 and the small pressure simulation cabin 41, and the temperature fluctuation degree of the liquid medium 100 in the large pressure simulation cabin 40 and the small pressure simulation cabin 41 after being stabilized is ensured to be less than or equal to +/-0.0003 ℃; when the pressure and salinity in the large pressure simulation chamber 40 and the small pressure simulation chamber 41 are changed each time, the liquid medium 100 in the temperature control main tank 1 circulates in the pressure resistant coil 45 for a set period of time, and the temperature balance between the inside and the outside of the large pressure simulation chamber 40 and the small pressure simulation chamber 41 is realized under the state of new pressure and salinity.
Example 2:
the main structure of the full-sea-depth marine environment simulation cabin related to the embodiment is the same as that of the embodiment 1, and the difference is that the pressure transmission mode is adopted, and the large pressure simulation cabin 40 is connected with the small pressure simulation cabin 41 through two connecting rods 42; the top of the small pressure simulation cabin 41 is provided with a pressure cabin watertight interface 44, a pressure diaphragm 200 is additionally arranged, and the pressure diaphragm 200 is in contact with the liquid medium 100 in the large pressure simulation cabin 40; one end of the servo electric cylinder 8 is connected with a pressure chamber watertight interface 44 of the large-pressure simulation chamber 40 in a pipeline manner, the other end of the servo electric cylinder is connected with a pressure pump 7, and the pressure pump 7 is connected with a pressure control system 9; the pressure control system 9 controls the pressure of the large pressure simulation cabin 40 through the pressure pump 7 and the servo electric cylinder 8, after the liquid medium 100 in the large pressure simulation cabin 40 is pressurized, the pressure is transmitted to the liquid medium 100 in the small pressure simulation cabin 41 through the pressure membrane 200, so that the pressure in the small pressure simulation cabin 40 is changed, and the standard ocean sensor 47 in the small pressure simulation cabin 40 can accurately sense the change of the pressure to realize accurate measurement.
Claims (10)
1. A full-sea deep sea environment simulation cabin is characterized in that a main body structure comprises a temperature control main tank, a temperature control auxiliary tank, a pressure control system, a pressure simulation cabin immersed in the temperature control main tank and a pressure-resistant coil pipe connected with the temperature control main tank and the simulation pressure cabin; the temperature of the temperature control main tank is balanced with the temperature inside the simulated pressure cabin through the circulation of the liquid medium in the temperature control main tank in the pressure-resistant coil pipe.
2. The full-sea-depth marine environment simulation cabin according to claim 1, wherein the temperature control main tank is connected with the temperature control auxiliary tank through a circulation pipeline, a pressure simulation cabin is arranged inside the temperature control main tank, the temperature control main tank is communicated with the pressure simulation cabin through a pressure-resistant pipeline, the temperature control main tank, the temperature control auxiliary tank and the pressure simulation cabin are respectively connected with a controller, the pressure simulation cabin is respectively connected with a pressure pump and a servo electric cylinder through pipelines, and the pressure pump and the servo electric cylinder are respectively connected with a pressure control system.
3. The full-sea deep-sea environment simulation cabin according to claim 1 or 2, wherein the main body structures of the temperature control main tank and the temperature control auxiliary tank are the same, and the temperature control main tank and the temperature control auxiliary tank respectively comprise a tank body, a universal wheel, a thermostatic tank, a temperature sensor, a temperature controller and a display; 3-6 universal wheels are arranged at the bottom of the tank body, a thermostatic bath is arranged above the interior of the tank body, temperature sensors are arranged on the side part and the bottom of the thermostatic bath at equal intervals, a temperature controller is arranged below the interior of the tank body, the thermostatic bath is connected with the temperature controller, a display is arranged at the top of the tank body, and the display is respectively connected with the controller, the temperature sensors and the temperature controller; the interior of the thermostatic bath is provided with a submersible pump which is connected with the thermostatic bath of the temperature control auxiliary bath through a circulating pipeline.
4. The full-sea deep-sea ocean environment simulation cabin according to claim 3, wherein the main structure of the pressure simulation cabin comprises a large pressure simulation cabin, a small pressure simulation cabin, a connecting rod, a pressure cabin sealing interface, a pressure cabin watertight interface, a pressure-resistant coil watertight interface, a standard ocean sensor, an ocean sensor to be detected, a wire harness and a printed circuit board; the large pressure simulation cabin and the small pressure simulation cabin are symmetrically provided with two pressure cabin sealing interfaces, the bottom of the large pressure simulation cabin and the top of the small pressure simulation cabin are respectively provided with a pressure cabin watertight interface, the inner walls of the large pressure simulation cabin and the small pressure simulation cabin are respectively wound with a pressure-resistant coil in a snake shape, the large pressure simulation cabin and the small pressure simulation cabin are respectively provided with two pressure-resistant watertight coil interfaces, one of the two pressure-resistant coil watertight interfaces is used as an inlet, the other one is used as an outlet, the pressure-resistant coil is connected with the pressure-resistant coil watertight interface, the pressure-resistant coil watertight interface of the small pressure simulation cabin extends to the outside of the large pressure simulation cabin, and three standard ocean sensors are equidistantly laid on the inner wall of the large pressure simulation cabin, the small pressure simulation cabin is internally provided with a standard ocean sensor and three ocean sensors to be detected, the standard ocean sensor with a pressure-resistant shell is connected with a conductor bundle with the pressure-resistant shell, which sequentially penetrates through the large pressure simulation cabin and the small pressure simulation cabin from the outside, the ocean sensors to be detected are connected with a printed circuit board with a protective shell, which is positioned in the large pressure simulation cabin, and the small pressure simulation cabin is connected with the protective shell of the printed circuit board through a sealing ring and a bolt or an adhesive.
5. The full-sea deep-sea ocean environment simulation cabin according to claim 4, wherein the liquid medium in the large pressure simulation cabin and the liquid medium in the small pressure simulation cabin are not communicated, and the temperature is exchanged through the pressure-resistant coil.
6. The full-sea deep-sea ocean environment simulation cabin according to claim 4, wherein the inside of the constant temperature bath and the large pressure simulation cabin and the small pressure simulation cabin is filled with a liquid medium comprising seawater, oil, an anti-freezing solution and water.
7. The full-sea deep-sea ocean environment simulation cabin according to claim 4, wherein the size of the temperature-controlled main tank is larger than that of the temperature-controlled auxiliary tank; the temperature control main tank is respectively communicated with the pressure-resistant coil pipes of the large pressure simulation cabin and the small pressure simulation cabin through pressure-resistant pipelines and pressure-resistant coil pipe watertight interfaces, the temperature control main tank adopts a magnetic coupling stirring technology, the temperature range is-10 to 45 ℃, the temperature fluctuation degree is less than or equal to +/-0.0003 ℃, the horizontal and vertical uniformity degree is less than or equal to 0.0005 ℃, the resolution ratio is 0.0001 ℃, the temperature range of the temperature control auxiliary tank is-15 to 50 ℃, the temperature fluctuation degree is less than or equal to +/-0.003 ℃, the horizontal and vertical uniformity degree is less than or equal to 0.005 ℃, and the resolution ratio is 0.001 ℃; the temperature control main tank is communicated with the temperature control auxiliary tank through a circulating pipeline, and the temperature control auxiliary tank provides constant flow and constant temperature liquid medium for temperature control of the temperature control main tank; the circulating pipeline is a multi-layer PVC composite pipe and is additionally provided with a polyurethane heat-insulating layer; the pressure simulation cabin is of a cylindrical structure and bears a pressure range of 0-160 Mpa; the controller adopts a PID + fuzzy control mode, the temperature control precision is +/-0.0005 ℃, the temperature of liquid media of the temperature control main tank, the temperature control auxiliary tank and the pressure simulation cabin and the pressure and salinity of the pressure simulation cabin are respectively controlled, the temperature, the salinity and the pressure state of the pressure simulation cabin and the thermostatic tank are monitored by the controller in real time, the thermostatic tank, the display, the standard ocean sensor and the ocean sensor to be detected are monitored in a networking mode, the temperature, the salinity and the pressure data of the pressure simulation cabin and the thermostatic tank and the temperature, the salinity and the pressure data of the ocean sensor to be detected are automatically collected, data processing and storage are carried out, remote monitoring is realized, and the controller is respectively connected with the displays of the temperature control main tank and the temperature control auxiliary tank and a conductor bundle; the pressure pump is connected with a watertight interface of the pressure cabin of the large-pressure simulation cabin and controls the pressure of the large-pressure simulation cabin; the servo electric cylinder is connected with a watertight interface of the pressure cabin of the small-pressure simulation cabin to control the pressure of the small-pressure simulation cabin; the inner wall of the thermostatic bath is made of corrosion-resistant materials including titanium alloy and stainless steel; the temperature sensor is a thermistor, a Pt platinum resistor or a liquid temperature sensor, the temperature control precision of the temperature sensor of the temperature control main tank is +/-0.01 ℃ to +/-0.0003 ℃, and the temperature control precision of the temperature sensor of the temperature control auxiliary tank is +/-0.1 ℃ to +/-0.003 ℃; the resolution of the temperature controller is one hundred thousand, and the temperature control precision is one ten thousand; the display displays the temperature, salinity and pressure values; the large pressure simulation chamber and the small pressure simulation chamber are made of pressure-resistant materials including a titanium alloy shell and stainless steel, the size of the large pressure simulation chamber is larger than that of the small pressure simulation chamber, the inner diameter of the large pressure simulation chamber is 100-2000mm, the height of the large pressure simulation chamber is 200-2000mm, the inner diameter of the small pressure simulation chamber is 20-1000mm, and the height of the small pressure simulation chamber is 100-1000 mm; the liquid medium in the pressure-resistant disc pipe and the liquid medium in the thermostatic bath circulate under the action of the submersible pump, and the temperature balance of the liquid medium inside and outside the large pressure simulation cabin and the small pressure simulation cabin is realized through the circulation communication of the liquid medium; the pressure-resistant coil watertight interfaces can be arranged at the top or the bottom of the large-pressure simulation cabin and the small-pressure simulation cabin at the same time, and can also be respectively arranged at the top or the bottom; the standard ocean sensor is a sensor for monitoring the temperature, salinity and pressure parameters of the environment; the ocean sensors to be detected are detected temperature, salinity and pressure sensors; the printed circuit board is integrated with a circuit module, a communication module and a power module, and is used for measuring real-time data of the ocean sensor to be detected and storing the data.
8. The full-sea deep-ocean environment simulation cabin according to claim 1 or 7, characterized in that the principle is: the pressure simulation cabin simulates the deep sea high-pressure, temperature and salinity environment, the temperature control auxiliary tank primarily adjusts the temperature of the temperature control main tank, the temperature control main tank adjusts the pressure simulation cabin, the temperature control auxiliary tank and a liquid medium in the temperature control main tank are circulated through a circulation pipeline, so that the temperature in the temperature control main tank is controlled, the liquid medium in the temperature control main tank is injected into the pressure-resistant coil pipe through the pressure-resistant pipeline, and the liquid medium exchanges temperature with the liquid medium in the pressure simulation cabin in the flowing process of the liquid medium in the pressure-resistant coil pipe, so that the temperature in the pressure simulation cabin and the temperature of the temperature control main tank are balanced; the pressure and the temperature in the pressure simulation cabin are controlled through three-level temperature control of the temperature control main tank, the temperature control auxiliary tank and the pressure simulation cabin, and the integrated design of the temperature control main tank and the pressure simulation cabin enables the temperature control precision in the pressure simulation cabin to reach +/-0.0003 ℃ under the condition of reproducing deep sea high pressure, and meanwhile, the temperature, the salinity and the pressure are controlled.
9. The full-sea deep-sea environmental simulation cabin according to claim 7, wherein in use, the pressure simulation cabin is placed in a liquid medium in the temperature control main tank, the liquid medium in the temperature control main tank is pumped into the pressure-resistant coiled pipe through the submersible pump, the liquid medium enters the pressure-resistant coiled pipe from one pressure-resistant coiled pipe watertight interface and then comes out from the other pressure-resistant coiled pipe watertight interface after being coiled, and high-precision temperature control is performed on the liquid medium in the large pressure simulation cabin and the small pressure simulation cabin, so that the temperature fluctuation degree of the liquid medium in the large pressure simulation cabin and the small pressure simulation cabin after being stabilized is less than or equal to +/-0.0003 ℃; when the pressure and salinity in the large pressure simulation cabin and the small pressure simulation cabin are changed each time, the liquid medium in the temperature control main tank circulates in the pressure-resistant coil pipe for a set time period, and the temperature balance between the inside and the outside of the large pressure simulation cabin and the small pressure simulation cabin is realized under the state of new pressure and salinity.
10. The full-sea deep-sea ocean environment simulation cabin according to claim 9, wherein the pressure transmission mode is as follows: the large pressure simulation cabin is connected with the small pressure simulation cabin through two connecting rods; the top of the small pressure simulation cabin is provided with a watertight interface of the pressure cabin, and a pressure diaphragm is additionally arranged and is in contact with a liquid medium in the large pressure simulation cabin; one end of the servo electric cylinder is connected with a watertight connector pipeline of a pressure cabin of the large-pressure simulation cabin, the other end of the servo electric cylinder is connected with a pressure pump, and the pressure pump is connected with a pressure control system; the pressure control system controls the pressure of the large-pressure simulation cabin through the pressure pump and the servo electric cylinder, after the liquid medium in the large-pressure simulation cabin is pressurized, the pressure is transmitted to the liquid medium in the small-pressure simulation cabin through the pressure diaphragm, the pressure in the small-pressure simulation cabin is changed, and the standard ocean sensor in the small-pressure simulation cabin senses the change of the pressure.
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