Marine animal respiratory metabolism in-situ measurement platform

Abstract

The utility model provides a marine animal respiratory metabolism in-situ measuring platform, which relates to the technical field of ocean engineering equipment and comprises a breathing chamber, a front sealed cabin, a rear sealed cabin and four two-degree-of-freedom spiral propellers. The front sealed cabin and the rear sealed cabin are connected with the two ends of the breathing chamber through threads respectively, and the front sealed cabin and the rear sealed cabin conduct data transmission through wireless signals. According to the marine animal respiratory metabolism in-situ measurement platform disclosed by the utility model, the marine animal respiratory metabolism process can be directly and stably measured and accurate data such as dissolved oxygen, dissolved carbon dioxide, temperature, depth and the like can be obtained under the conditions that the surrounding environment of a marine animal is not changed and a sample is not damaged; the four two-degree-of-freedom spiral propellers enable the measuring platform to have underwater maneuvering capability, the current situation of single-point operation of original measuring equipment is changed, the measuring platform can stay on the seabed for a long time, and acquisition of underwater data with a larger spatial-temporal scale is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of marine engineering equipment, in particular to an in-situ measurement platform for the respiratory metabolism of marine animals. Background Art

[0002] The respiratory metabolic rate of marine animals is a key parameter for assessing individual energy requirements. Obtaining respiratory metabolic data of marine animals is important for studying the survival and adaptation strategies of species in specific environments, and is also helpful for studying the energy conversion and flow of ecological food chains in marine ecosystems.

[0003] As people explore the ocean in depth, the physiological and ecological characteristics of marine animals have gradually become a research hotspot due to their unique living habits and survival strategies. It is crucial to obtain their respiratory metabolism data.

[0004] However, there are currently the following problems in obtaining respiratory metabolic data of marine animals:

[0005] 1. At present, the respiratory metabolism measurement of marine animals can only be carried out in a conventional laboratory environment. The respiratory metabolism patterns of marine animals in a conventional laboratory environment cannot reflect their actual situation in the marine in situ environment;

[0006] 2. Marine animals directly caught from the deep sea environment cannot be measured in vivo because of the rapid expansion and rupture of the gas-filled organs. Deep-sea animal samples obtained using pressure-maintaining technology will be affected by pressure and temperature fluctuations during the transfer process and cannot truly reflect the survival characteristics of the original environment;

[0007] 3. Existing in-situ measurement and testing equipment mainly operates at a single point, lacks mobility in the in-situ environment, and cannot obtain data in a larger space. Utility Model Content

[0008] The purpose of the utility model is to solve the technical problems raised in the above background technology.

[0009] The utility model adopts the following technical scheme: an in-situ measurement platform for the respiratory metabolism of marine animals, comprising a respiratory chamber, a front sealed cabin, a rear sealed cabin and four two-degree-of-freedom screw propellers, wherein sensors are installed in the front sealed cabin and the rear sealed cabin, the front sealed cabin and the rear sealed cabin are respectively connected to the two ends of the respiratory chamber through threads, and the front sealed cabin and the rear sealed cabin transmit data through wireless signals; the four two-degree-of-freedom screw propellers are respectively installed on the left and right sides of the front sealed cabin and the rear sealed cabin.

[0010] Preferably, the breathing chamber comprises an outer layer, an inner layer and an inner layer flange, the outer layer and the inner layer are respectively provided with rectangular windows, the inner wall of the outer layer cooperates with the inner layer and can rotate relatively, and the inner layer and the inner layer flange are connected by bolts.

[0011] Preferably, the front sealed cabin includes a front sealed cabin shell, a front sealed cabin connector, a temperature sensor, a front sealed cabin motor, a depth sensor, a front sealed cabin lithium battery, a front sealed cabin camera, a front sealed cabin end cover, and a front sealed cabin controller, wherein:

[0012] The front sealed cabin connector is connected to the front sealed cabin housing through threads, and the sealing method between the two is axial sealing;

[0013] The front sealed cabin end cover is made of transparent pressure-resistant material, and is connected to the front sealed cabin shell by bolts, and the two are sealed by a sealing gasket. The front sealed cabin camera collects video signals outside the cabin through the front sealed cabin end cover and transmits them to the front sealed cabin controller in real time;

[0014] The front sealed cabin connector has two NPT threaded holes, the two NPT threaded holes are respectively connected to the NPT threads on the temperature sensor and the depth sensor, and the signal collection parts on the temperature sensor and the depth sensor extend into the breathing chamber;

[0015] The transmission shaft of the front sealed cabin motor passes through the through hole in the center of the front sealed cabin connector in a dynamic sealing manner and is fixedly connected to the inner flange. The front sealed cabin motor can drive the inner flange and the inner layer of the breathing chamber to rotate;

[0016] The front sealed cabin lithium battery is used to supply power to the temperature sensor, the front sealed cabin motor, the depth sensor, the front sealed cabin controller, the front sealed cabin camera and the two-degree-of-freedom propeller.

[0017] Preferably, the rear sealed cabin includes a rear sealed cabin housing, a rear sealed cabin lithium battery, a rear sealed cabin camera, a rear sealed cabin end cover, a rear sealed cabin controller, a breathing chamber camera, a dissolved CO2 sensor, a dissolved O2 sensor, and a rear sealed cabin connector, wherein:

[0018] The rear sealed cabin connector is connected to the rear sealed cabin housing via threads, and the sealing method between the two is axial sealing;

[0019] The rear sealed cabin end cover is made of transparent pressure-resistant material, and is connected to the rear sealed cabin shell by bolts. The two are sealed with a sealing gasket. The rear sealed cabin camera with an LED light collects video signals outside the cabin through the rear sealed cabin end cover and transmits them to the rear sealed cabin controller in real time.

[0020] The rear sealed cabin connector is provided with three NPT threaded holes, which are respectively connected to the NPT threads on the breathing chamber camera, the dissolved CO2 sensor and the dissolved O2 sensor. The breathing chamber camera with an LED light faces the breathing chamber and is used to collect video signals in the breathing chamber and transmit them to the rear sealed cabin controller in real time. The signal collection parts on the dissolved CO2 sensor and the dissolved O2 sensor extend into the breathing chamber.

[0021] The rear sealed cabin controller is equipped with a GPS module;

[0022] The rear sealed cabin lithium battery is used to power the breathing chamber camera, the dissolved CO2 sensor, the dissolved O2 sensor, the rear sealed cabin controller, the rear sealed cabin camera and the two-degree-of-freedom propeller.

[0023] Preferably, the two-degree-of-freedom propeller includes a servo and a brushless motor with a propeller, the servo is located in the front sealed cabin and the rear sealed cabin, the brushless motor is located outside the sealed cabin, and the drive shaft of the servo passes through the sealed cabin shell in a dynamic seal manner and is connected to the body of the brushless motor.

[0024] Preferably, when the rectangular windows of the outer layer and the inner layer of the breathing chamber are aligned, the breathing chamber is in an open state; when the rectangular windows of the breathing chamber, the outer layer and the inner layer differ by ninety degrees, the breathing chamber is in a closed state.

[0025] Preferably, the front sealed cabin controller collects and processes signals from the temperature sensor, depth sensor and front sealed cabin camera, and the rear sealed cabin controller collects and processes signals from the dissolved CO2 sensor, dissolved O2 sensor, breathing chamber camera and front sealed cabin camera, and the front sealed cabin controller and the rear sealed cabin controller exchange data through wireless signal transmission.

[0026] A method for in-situ measurement of respiratory metabolism of marine animals, comprising the following steps:

[0027] S1, after the measuring platform is propelled to the predetermined water bottom by the two-degree-of-freedom screw propeller, the inner layer of the breathing chamber rotates relative to the outer layer to make the breathing chamber open, and the depth sensor in the front sealed cabin measures the platform depth in real time;

[0028] S2, when the breathing chamber camera in the rear sealed cabin recognizes that a marine animal has entered the breathing chamber, the rear sealed cabin controller sends a command to the front sealed cabin controller, which then controls the front sealed cabin motor to drive the inner layer to rotate rapidly by 90 degrees, so that the breathing chamber is in a closed state;

[0029] S3, the temperature sensor in the front sealed cabin measures the real-time temperature in the breathing chamber, and the dissolved CO2 sensor and dissolved O2 sensor in the rear sealed cabin respectively measure the CO2 and O2 contents in the water in the breathing chamber in real time;

[0030] S4, after measuring the water parameters in the breathing chamber for a specified time, the front sealed chamber motor drives the inner layer to rotate 90 degrees in the opposite direction, so that the breathing chamber is in an open state, and the marine animals in the breathing chamber are released;

[0031] S5, when the lithium battery power in the measuring platform is consumed to the set value, the rear sealed cabin controller sends a command to the front sealed cabin controller, and the four two-degree-of-freedom propellers are started to coordinately propel the measuring platform to the surface of the sea;

[0032] S6, according to the coordinate position sent by the GPS module on the rear sealed cabin controller, the surface personnel salvage the measurement platform, collect data and charge it.

[0033] Compared with the prior art, the advantages and positive effects of the utility model are:

[0034] 1. In the present invention, the in-situ measurement platform for the respiratory metabolism of marine animals can directly and stably measure the respiratory metabolism process of marine animals and obtain accurate data such as dissolved oxygen, dissolved carbon dioxide, temperature, depth, etc. without changing the surrounding environment of the marine animals or destroying the samples.

[0035] 2. In the utility model, four two-degree-of-freedom screw thrusters enable the measuring platform to have underwater maneuverability, changing the status quo of single-point operation of the original measuring equipment, and can stay on the seabed for a long time, which is conducive to obtaining data of larger time and space scales underwater.

[0036] 3. In the present invention, the sensors located in the front and rear sealed cabins can be replaced or customized according to different requirements for measurement targets and measurement environments in the ocean, which greatly improves the scalability of the measurement platform. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 A three-dimensional schematic diagram of an in-situ measurement platform for marine animal respiratory metabolism is proposed for the utility model;

[0038] Figure 2 A three-dimensional cross-sectional schematic diagram of an in-situ measurement platform for marine animal respiratory metabolism is proposed for the utility model;

[0039] Figure 3 The utility model proposes an in-situ measurement platform for the respiratory metabolism of marine animals Figure 1 Schematic cross-section of the mesorespiratory chamber;

[0040] Figure 4 The utility model proposes an in-situ measurement platform for the respiratory metabolism of marine animals Figure 1 A three-dimensional cross-sectional diagram of the mid-front sealed cabin;

[0041] Figure 5The utility model proposes an in-situ measurement platform for the respiratory metabolism of marine animals Figure 1 A three-dimensional cross-sectional diagram of the middle and rear sealed cabin;

[0042] Figure 6 The utility model proposes a respiratory metabolism measurement principle block diagram in an in-situ measurement platform for marine animal respiratory metabolism.

[0043] Legend:

[0044] 1. Breathing chamber; 11. Outer layer; 12. Inner layer; 13. Inner layer flange (13); 2. Front sealed cabin; 21. Front sealed cabin shell; 22. Front sealed cabin connector; 23. Temperature sensor; 24. Front sealed cabin motor; 25. Depth sensor; 26. Front sealed cabin lithium battery; 27. Front sealed cabin camera; 28. Front sealed cabin end cover; 29. ​​Front sealed cabin controller; 3. Rear sealed cabin; 31. Rear sealed cabin shell; 32. Rear sealed cabin lithium battery; 33. Rear sealed cabin camera; 34. Rear sealed cabin end cover; 35. Rear sealed cabin controller; 36. Breathing chamber camera; 37. Dissolved CO2 sensor; 38. Dissolved O2 sensor; 39. Rear sealed cabin connector; 4. Two-degree-of-freedom propeller; 41. Brushless motor; 42. Servo. DETAILED DESCRIPTION

[0045] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0046] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0047] Embodiment 1

[0048] See also Figure 1-6The utility model provides a technical solution: an in-situ measurement platform for the respiratory metabolism of marine animals, comprising a respiratory chamber 1, a front sealed cabin 2, a rear sealed cabin 3 and four two-degree-of-freedom screw propellers 4, wherein sensors are installed in the front sealed cabin 2 and the rear sealed cabin 3 for collecting water parameters in the respiratory chamber 1, the front sealed cabin 2 and the rear sealed cabin 3 are respectively connected to the two ends of the respiratory chamber 1 by threads, and the front sealed cabin 2 and the rear sealed cabin 3 transmit data by wireless signals; the four two-degree-of-freedom screw propellers 4 are respectively installed on the left and right sides of the front sealed cabin 2 and the rear sealed cabin 3, and the measurement platform is flexibly maneuvered by the coordinated propulsion of the four two-degree-of-freedom screw propellers 4; the respiratory chamber 1 comprises an outer layer 11, an inner layer 12 and an inner layer flange 13, the outer layer 11 and the inner layer 12 are respectively provided with rectangular windows, the inner wall of the outer layer 11 cooperates with the inner layer 12 and can rotate relatively, and the inner layer 12 is connected to the inner layer flange 13 by bolts; the two-degree-of-freedom screw propeller 4 comprises a steering gear 42 and A brushless motor 41 with a propeller and a steering gear 42 are located in the front sealed cabin 2 and the rear sealed cabin 3, and the brushless motor 41 is located outside the sealed cabin. The transmission shaft of the steering gear 42 passes through the sealed cabin shell in a dynamic sealing manner and is connected to the body of the brushless motor 41. The propulsion direction of the propeller can be controlled by controlling the rotation angle of the steering gear 42; when the rectangular windows of the outer layer 11 and the inner layer 12 of the breathing chamber 1 are aligned, the breathing chamber 1 is in an open state; when the rectangular windows of the breathing chamber 1, the outer layer 11 and the inner layer 12 differ by ninety degrees, the breathing chamber 1 is in a closed state; the front sealed cabin controller 29 collects and processes signals from the temperature sensor 23, the depth sensor 25 and the front sealed cabin camera 27, and the rear sealed cabin controller 35 collects and processes signals from the dissolved CO2 sensor 37, the dissolved O2 sensor 38, the breathing chamber camera 36 and the front sealed cabin camera 27, and the front sealed cabin controller 29 and the rear sealed cabin controller 35 exchange data by wireless signal transmission.

[0049] See also Figure 1-6The front sealed cabin 2 includes a front sealed cabin shell 21, a front sealed cabin connector 22, a temperature sensor 23, a front sealed cabin motor 24, a depth sensor 25, a front sealed cabin lithium battery 26, a front sealed cabin camera 27, a front sealed cabin end cover 28, and a front sealed cabin controller 29, wherein: the front sealed cabin connector 22 is connected to the front sealed cabin shell 21 by threads, and the sealing method between the two is axial sealing; the front sealed cabin end cover 28 is a transparent pressure-resistant material, which is connected to the front sealed cabin shell 21 by bolts, and the two are sealed with a sealing gasket, and the front sealed cabin camera 27 collects video signals outside the cabin through the front sealed cabin end cover 28 and transmits them to the front sealed cabin controller 29 in real time; the front sealed cabin connector 2 2 is provided with two NPT threaded holes, which are respectively connected with the NPT threads on the temperature sensor 23 and the depth sensor 25, and the signal acquisition parts on the temperature sensor 23 and the depth sensor 25 extend into the breathing chamber 1; the transmission shaft of the front sealed cabin motor 24 passes through the through hole in the center of the front sealed cabin connector 22 in a dynamic sealing manner, and is fixedly connected with the inner flange 13, and the front sealed cabin motor 24 can drive the inner flange 13 and the inner layer 12 of the breathing chamber 1 to rotate; the front sealed cabin lithium battery 26 is respectively used to power the temperature sensor 23, the front sealed cabin motor 24, the depth sensor 25, the front sealed cabin controller 29, the front sealed cabin camera 27 and the two-degree-of-freedom propeller 4.

[0050] See also Figure 1-6 The rear sealed cabin 3 includes a rear sealed cabin shell 31, a rear sealed cabin lithium battery 32, a rear sealed cabin camera 33, a rear sealed cabin end cover 34, a rear sealed cabin controller 35, a breathing chamber camera 36, ​​a dissolved CO2 sensor 37, a dissolved O2 sensor 38, and a rear sealed cabin connector 39, wherein: the rear sealed cabin connector 39 is connected to the rear sealed cabin shell 31 by threads, and the sealing method between the two is axial sealing; the rear sealed cabin end cover 34 is a transparent pressure-resistant material, which is connected to the rear sealed cabin shell 31 by bolts, and the two are sealed with a sealing gasket, and the rear sealed cabin camera 33 with an LED light collects video signals outside the cabin through the rear sealed cabin end cover 34 and transmits them to the rear sealed cabin controller 35 in real time; ... Component 39 is provided with three NPT threaded holes, which are respectively connected to the NPT threads on the breathing chamber camera 36, ​​the dissolved CO2 sensor 37 and the dissolved O2 sensor 38. The breathing chamber camera 36 with an LED light faces the breathing chamber 1, and is used to collect the video signal in the breathing chamber 1 and transmit it to the rear sealed cabin controller 35 in real time. The signal collection parts on the dissolved CO2 sensor 37 and the dissolved O2 sensor 38 extend into the breathing chamber 1; the rear sealed cabin controller 35 is equipped with a GPS module; the rear sealed cabin lithium battery 32 supplies power to the breathing chamber camera 36, ​​the dissolved CO2 sensor 37, the dissolved O2 sensor 38, the rear sealed cabin controller 35, the rear sealed cabin camera 33 and the two-degree-of-freedom propeller 4 respectively.

[0051] Embodiment 4

[0052] The utility model provides a technical solution: a method for in-situ measurement of respiratory metabolism of marine animals, comprising the following steps:

[0053] S1, after the measuring platform is propelled to the predetermined water bottom by the two-degree-of-freedom screw propeller 4, the inner layer 12 of the breathing chamber 1 rotates relative to the outer layer 11 to make the breathing chamber 1 open, and the depth sensor 25 in the front sealed cabin 2 measures the platform depth in real time;

[0054] S2, when the camera of the breathing chamber 1 in the rear sealed cabin 3 recognizes that a marine animal has entered the breathing chamber 1, the rear sealed cabin controller 35 sends a command to the front sealed cabin controller 29, which then controls the front sealed cabin motor 24 to drive the inner layer 12 to rotate rapidly by ninety degrees, so that the breathing chamber 1 is in a closed state;

[0055] S3, the temperature sensor 23 in the front sealed cabin 2 measures the real-time temperature in the breathing chamber 1, and the dissolved CO2 sensor 37 and dissolved O2 sensor 38 in the rear sealed cabin 3 respectively measure the CO2 and O2 contents in the water in the breathing chamber 1 in real time;

[0056] S4, after measuring the water parameters in the breathing chamber 1 for a specified time, the front sealed cabin motor 24 drives the inner layer 12 to rotate 90 degrees in the opposite direction, so that the breathing chamber 1 is in an open state, and the marine animals in the breathing chamber 1 are released;

[0057] S5, when the power of the lithium battery in the measuring platform is consumed to the set value, the rear sealed cabin controller 35 sends a command to the front sealed cabin controller 29, and the four two-degree-of-freedom screw propellers 4 are started to cooperatively propel the measuring platform to the sea surface;

[0058] S6, according to the coordinate position sent by the GPS module on the rear sealed cabin controller 35, the sea surface personnel salvage the measurement platform, collect data and charge it.

[0059] Working principle: After the measuring platform is pushed to the predetermined bottom by the two-degree-of-freedom screw propeller 4, the inner layer 12 of the breathing chamber 1 rotates relative to the outer layer 11 to make the breathing chamber 1 open, and the depth sensor 25 in the front sealed cabin 2 measures the platform depth in real time; when the camera of the breathing chamber 1 in the rear sealed cabin 3 recognizes that a marine animal has entered the breathing chamber 1, the rear sealed cabin controller 35 sends a command to the front sealed cabin controller 29, which then controls the front sealed cabin motor 24 to drive the inner layer 12 to rotate rapidly by ninety degrees, so that the breathing chamber 1 is in a closed state; the temperature sensor 23 in the front sealed cabin 2 measures the real-time temperature in the breathing chamber 1, and the dissolved CO2 sensor 37 and the dissolved CO2 sensor 37 in the rear sealed cabin 3 measure the real-time temperature in the breathing chamber 1. The O2 sensor 38 measures the CO2 and O2 contents in the water in the breathing chamber 1 in real time respectively; after measuring the water parameters in the breathing chamber 1 for a specified time, the front sealed cabin motor 24 drives the inner layer 12 to rotate ninety degrees in the opposite direction, so that the breathing chamber 1 is in an open state, and the marine animals in the breathing chamber 1 are released; when the lithium battery in the measuring platform is consumed to a set value, the rear sealed cabin controller 35 sends a command to the front sealed cabin controller 29, and the four two-degree-of-freedom screw propellers 4 are started to coordinately propel the measuring platform to the sea surface; according to the coordinate position sent by the GPS module on the rear sealed cabin controller 35, the surface personnel salvage the measuring platform, collect data and charge it.

[0060] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. An in-situ measurement platform for respiratory metabolism of marine animals, comprising a respiratory chamber (1), a front sealed cabin (2), a rear sealed cabin (3) and four two-degree-of-freedom screw propellers (4), characterized in that: Sensors are installed in the front sealed cabin (2) and the rear sealed cabin (3); the front sealed cabin (2) and the rear sealed cabin (3) are respectively connected to the two ends of the breathing chamber (1) through threads; the front sealed cabin (2) and the rear sealed cabin (3) transmit data through wireless signals; and the four two-degree-of-freedom screw propellers (4) are respectively installed on the left and right sides of the front sealed cabin (2) and the rear sealed cabin (3).

2. The marine animal respiratory metabolism in situ measurement platform according to claim 1, characterized in that: The breathing chamber (1) comprises an outer layer (11), an inner layer (12) and an inner layer flange (13); the outer layer (11) and the inner layer (12) are respectively provided with rectangular windows; the inner wall of the outer layer (11) cooperates with the inner layer (12) and can rotate relative to each other; the inner layer (12) and the inner layer flange (13) are connected by bolts.

3. The marine animal respiratory metabolism in situ measurement platform according to claim 1, characterized in that: The front sealed cabin (2) comprises a front sealed cabin shell (21), a front sealed cabin connector (22), a temperature sensor (23), a front sealed cabin motor (24), a depth sensor (25), a front sealed cabin lithium battery (26), a front sealed cabin camera (27), a front sealed cabin end cover (28), and a front sealed cabin controller (29), wherein: The front sealed cabin connector (22) is connected to the front sealed cabin housing (21) via threads, and the sealing method between the two is axial sealing; The front sealed cabin end cover (28) is made of a transparent pressure-resistant material and is connected to the front sealed cabin shell (21) by bolts. The two are sealed by a sealing gasket. The front sealed cabin camera (27) collects video signals outside the cabin through the front sealed cabin end cover (28) and transmits them to the front sealed cabin controller (29) in real time. The front sealed cabin connector (22) is provided with two NPT threaded holes, the two NPT threaded holes are respectively connected to the NPT threads on the temperature sensor (23) and the depth sensor (25), and the signal collection parts on the temperature sensor (23) and the depth sensor (25) extend into the breathing chamber (1); The transmission shaft of the front sealed cabin motor (24) passes through the through hole in the center of the front sealed cabin connector (22) in a dynamic sealing manner and is fixedly connected to the inner flange (13). The front sealed cabin motor (24) can drive the inner flange (13) and the inner layer (12) of the breathing chamber (1) to rotate; The front sealed cabin lithium battery (26) respectively supplies power to the temperature sensor (23), the front sealed cabin motor (24), the depth sensor (25), the front sealed cabin controller (29), the front sealed cabin camera (27) and the two-degree-of-freedom propeller (4).

4. The marine animal respiratory metabolism in situ measurement platform according to claim 3, characterized in that: The rear sealed cabin (3) comprises a rear sealed cabin housing (31), a rear sealed cabin lithium battery (32), a rear sealed cabin camera (33), a rear sealed cabin end cover (34), a rear sealed cabin controller (35), a breathing chamber camera (36), a dissolved CO2 sensor (37), a dissolved O2 sensor (38), and a rear sealed cabin connector (39), wherein: The rear sealed cabin connector (39) is connected to the rear sealed cabin housing (31) via threads, and the sealing method between the two is axial sealing; The rear sealed cabin end cover (34) is made of transparent pressure-resistant material and is connected to the rear sealed cabin shell (31) by bolts. The two are sealed by a sealing gasket. The rear sealed cabin camera (33) with an LED light collects video signals outside the cabin through the rear sealed cabin end cover (34) and transmits them to the rear sealed cabin controller (35) in real time. The rear sealed cabin connector (39) is provided with three NPT threaded holes, which are respectively connected to the NPT threads on the breathing chamber camera (36), the dissolved CO2 sensor (37) and the dissolved O2 sensor (38); the breathing chamber camera (36) with an LED light faces the breathing chamber (1) and is used to collect video signals in the breathing chamber (1) and transmit them to the rear sealed cabin controller (35) in real time; the signal collection parts on the dissolved CO2 sensor (37) and the dissolved O2 sensor (38) extend into the breathing chamber (1); The rear sealed cabin controller (35) is equipped with a GPS module; The rear sealed cabin lithium battery (32) respectively supplies power to the breathing chamber camera (36), the dissolved CO2 sensor (37), the dissolved O2 sensor (38), the rear sealed cabin controller (35), the rear sealed cabin camera (33) and the two-degree-of-freedom propeller (4).

5. The marine animal respiratory metabolism in situ measurement platform according to claim 1, characterized in that: The two-degree-of-freedom propeller (4) comprises a steering gear (42) and a brushless motor (41) with a propeller, the steering gear (42) being located in the front sealed cabin (2) and the rear sealed cabin (3), the brushless motor (41) being located outside the sealed cabin, and the transmission shaft of the steering gear (42) passing through the sealed cabin shell in a dynamic sealing manner and being connected to the body of the brushless motor (41).

6. The marine animal respiratory metabolism in situ measurement platform according to claim 1, characterized in that: When the rectangular windows of the outer layer (11) and the inner layer (12) of the breathing chamber (1) are aligned, the breathing chamber (1) is in an open state; when the rectangular windows of the breathing chamber (1), the outer layer (11) and the inner layer (12) are 90 degrees apart, the breathing chamber (1) is in a closed state.

7. The marine animal respiratory metabolism in situ measurement platform according to claim 4, characterized in that: The front sealed cabin controller (29) collects and processes signals from the temperature sensor (23), the depth sensor (25) and the front sealed cabin camera (27); the rear sealed cabin controller (35) collects and processes signals from the dissolved CO2 sensor (37), the dissolved O2 sensor (38), the breathing chamber camera (36) and the front sealed cabin camera (27); and the front sealed cabin controller (29) and the rear sealed cabin controller (35) exchange data by means of wireless signal transmission.

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