Ocean resource unmanned acquisition system and method

Through the integrated design of unmanned marine resource acquisition system, the safety and efficiency problems of traditional marine resource acquisition methods are solved, and the automation and intelligence of resource acquisition and equipment maintenance are realized, which improves the flexibility of operations and the reliability of equipment.

CN120270448APending Publication Date: 2025-07-08XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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Patent Information

Application Number
CN202510421631.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2025-07-08

AI Technical Summary

Technical Problem

Traditional marine resource collection methods rely on human diving operations to have safety risks. Single equipment design leads to low multimodal operation efficiency, transportation devices lack constant pressure sealing and intelligent temperature control, high leakage rate of garbage transfer cabins, and equipment failures rely on manual repair, affecting the safety, economy and continuity of operations.

Method used

The integrated design of multi-functional collection module, hybrid transfer module and comprehensive processing module is adopted, including switchable robot arms, constant temperature material compartment, anti-leakage garbage compartment, ocean outpost platform and nearshore general control platform, to realize the automation and intelligence of resource collection, garbage disposal and equipment maintenance.

Benefits of technology

It improves the operating efficiency of marine resource acquisition and the stability of equipment, reduces manual intervention, ensures task continuity and efficiency, reduces operational costs, and improves the reliability and scalability of equipment.

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Abstract

The invention provides a marine resource unmanned acquisition system, and belongs to the technical field of marine resource development. Comprising a multifunctional collection aircraft, a mixed transfer aircraft and a comprehensive processing platform. The collection aircraft realizes mineral collection and garbage recovery through a switchable mechanical arm, and combines solar energy and a wireless charging technology; a constant-temperature material cabin and an anti-leakage garbage cabin of the transfer aircraft ensure safe storage and transportation of resources and wastes; the comprehensive processing platform provides functions of quick charging, material sorting, intelligent maintenance and wave / solar power generation, and supports remote unmanned operation. The system has the technical advantages of intelligent sorting, fault self-diagnosis, compression-resistant emergency separation and the like, the marine resource development efficiency and safety are improved, and meanwhile the labor cost and the environmental risk are reduced.
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Description

Technical Field

[0001] The present invention belongs to the technical field of ocean resource development, and particularly relates to an unmanned ocean resource collection system and method. Background Art

[0002] Traditionally, the collection of ocean resources has long mainly relied on manual diving operations or the collaborative operations of large fleets. This mode not only exposes divers to the risk of oxygen deficiency in a high-pressure environment, posing a serious threat to their lives, but also has many limitations in terms of economy and safety. To support such an operation mode, a mother ship with a capacity of ten thousand tons usually needs to be equipped, which undoubtedly greatly increases the operating cost and also places higher requirements on the safety of the operation.

[0003] Most of the existing ocean operation equipment adopts a single-function design concept. For example, mineral collection vehicles and garbage recycling equipment often operate independently. This design results in a long switching process and low collaborative efficiency between devices when performing multi-modal operations, making it difficult to meet the requirements of efficient and flexible operations.

[0004] Even more severely, current transfer devices generally have obvious deficiencies in technology. Most of them lack a constant-pressure sealing system, which means that minerals collected in a deep-sea environment may lose their active ingredients due to pressure changes during transportation. At the same time, these transfer devices also lack an intelligent temperature control system and are unable to precisely control the temperature of the transferred items, further affecting the quality of the resources.

[0005] In addition, the high leakage rate of the garbage transfer compartment is also a problem that cannot be ignored. This not only causes garbage to leak into the ocean during transportation, resulting in secondary pollution of the ocean environment, but may also cause long-term damage to the ocean ecosystem; the repair of offshore equipment often highly depends on manual intervention, which not only increases the risk and cost of the operation, but also severely restricts the continuity and stability of deep-sea resource development. Once the equipment fails, it often takes a large amount of time and resources to repair, which is undoubtedly a huge challenge for the continuous development of deep-sea resources.

[0006] Therefore, it is particularly important to research a new type of ocean resource collection system that can perform well in multi-task integration, environmental adaptability, and intelligent operation and maintenance. Summary of the Invention

[0007] The purpose of the present invention is to overcome the above deficiencies and provide an unmanned ocean resource collection system and method.

[0008] To achieve the above purpose, the present invention adopts the following technical solutions: In the first aspect, the present invention provides an unmanned ocean resource collection system, including: Multifunctional collection module: including a collection vehicle, which collects mineral resources and garbage under the sea through a switchable mechanical arm; A mixed transfer module, including a transfer vehicle, is used to store and transfer the collected underwater mineral resources and garbage; Comprehensive processing modules, including: Ocean Outpost Platform: used to power, monitor and repair the multi-functional acquisition module; Nearshore master control platform: used to receive and sort underwater mineral resources, and to diagnose and repair faults on collection vessels and transfer vessels.

[0009] The switchable mechanical arm is provided with a resource collection head and a garbage clamping head, which are respectively connected to the arm body connection mechanism. The resource collection head and the garbage clamping head are automatically switched through the switchable mechanical arm, and the resource collection head and the garbage clamping head are replaced through the arm body connection mechanism.

[0010] The resource collection header includes: Mineral detection sensor, used to detect whether there are mineral resources under the sea. When there are mineral resources, the resource collection head collects the mineral resources, otherwise, the garbage gripping head collects garbage; A collection pressure compensation module is used to adjust the pressure of the collection vehicle; The emergency disengagement mechanism is used to detect the pulling force of the resource collection head. When the pulling force exceeds the set threshold, the resource collection head is automatically disconnected.

[0011] The ocean-going outpost platform includes a fast charging dock and a basic maintenance station; The fast charging dock is used to provide power to the collection vehicle; The basic maintenance station is used to monitor the working status of the collection vehicle, and can replace the resource collection head and the garbage clamping head of the collection vehicle when they fail.

[0012] The mixed transfer module includes a constant temperature material cabin and a leakage-proof garbage cabin. The constant temperature material cabin is used to store the collected mineral resources, and the leakage-proof garbage cabin is used to store the collected garbage.

[0013] A filter screen and an ultrasonic vibrator are arranged inside the anti-leakage garbage compartment. The porosity of the filter screen can be automatically adjusted, and the ultrasonic vibrator is used to prevent garbage from adhering to the filter screen.

[0014] The nearshore master control platform includes a material sorting line, which is equipped with a multi-level sorting mechanism, an identification system and an intelligent classification database. It is used to identify different mineral resources based on the identification system and select the sorting mechanism, and sort the mineral resources in the constant temperature material cabin in combination with the intelligent classification database.

[0015] The offshore general control platform includes a power generation module and a maintenance center. The power generation module integrates wave power generation, a solar power generation array, and a wireless charging module, and is used to supply power to the material sorting line and charge the transfer vehicle through the wireless charging module. The maintenance center has a fault diagnosis center and a precision maintenance workshop, which are used to diagnose the faults of the vehicle and take corresponding measures for remedy.

[0016] In a second aspect, the present invention provides a method for unmanned collection of marine resources, and the specific method is as follows: After the mineral detection sensor detects mineral resources, it activates the switchable robotic arm to switch to the resource collection head for grasping, and puts the collected mineral resources into the constant temperature material cabin. When the mineral resources in the constant temperature material cabin are full, they are transported to the material sorting line. The material sorting line uses a sorting mechanism and combines an intelligent classification database to sort the mineral resources, and stores them according to the sorting results.

[0017] When the mineral detection sensor does not detect mineral resources, the switchable robotic arm controls the garbage gripper to grip the garbage and put it into the leak-proof garbage cabin. The electric adjustable filter screen automatically adjusts the porosity to prevent garbage leakage, and the ultrasonic vibrator prevents the garbage in the leak-proof garbage cabin from sticking.

[0018] Compared with the prior art, the present invention has the following beneficial effects: The present invention provides an unmanned marine resource collection system, including a multi-functional collection module: including a collection vehicle, the collection vehicle collects underwater mineral resources and garbage through a switchable robotic arm; a mixed transfer module, which stores and transfers the collected underwater mineral resources and garbage through a transfer vehicle; a comprehensive processing module, including: an ocean outpost platform, which is used to supply power to the multi-functional collection module, monitor and repair faults; an offshore general control platform: which is used to receive and sort underwater mineral resources, and diagnose and repair faults of the collection vehicle and the transfer vehicle. The dual functions of mineral resource collection and garbage recycling are realized through the switchable robotic arm, reducing equipment redundancy; greatly improving the operation efficiency, reducing manual intervention, and lowering the operation cost. This automatic switching mechanism not only improves the operation flexibility, but also ensures the continuity and efficiency of task execution. As the core of storage and transfer, the mixed transfer module can efficiently classify and store the collected mineral resources and garbage for subsequent processing and utilization. The general control processing module is responsible for receiving and sorting mineral resources, and at the same time performing fault diagnosis and repair on the mixed transfer module to ensure the stable operation of the entire system. This integrated and modular design facilitates the maintenance and upgrade of the system, and improves the reliability and scalability of the system.

[0019] Furthermore, by adjusting the porosity of the filter screen, it can adapt to different sizes and types of garbage, ensuring the accuracy and efficiency of garbage disposal. This automatic adjustment function enables the system to flexibly respond to various garbage disposal requirements and improves the comprehensive efficiency of garbage disposal; the ultrasonic vibrator can generate high-frequency vibration waves, effectively preventing garbage from adhering to the filter screen, thus avoiding the problem of filter screen blockage. This not only improves the cleaning efficiency of the filter screen but also extends the service life of the filter screen, reducing maintenance and replacement costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0021] Figure 1 It is a schematic diagram of the system of the present invention; Figure 2 It is a schematic diagram of the structure of the acquisition vehicle in the present invention; Figure 3 It is a schematic diagram of the structure of the ocean outpost platform module in the present invention; Figure 4 It is a schematic diagram of the structure of the hybrid transfer module in the present invention; Figure 5 It is a schematic diagram of the structure of the general control processing module in the present invention; Explanation of the reference numerals in the drawings: 100, acquisition vehicle; 110, switchable robotic arm; 111, resource acquisition head; 112, garbage clamping head; 113, arm body connection mechanism; 120, solar panel; 200, transfer vehicle; 210, constant temperature material cabin; 220, leak-proof garbage cabin; 310, ocean outpost platform; 311, fast charging dock; 312, basic maintenance station; 320, nearshore general control platform; 321, material sorting line; 322, power generation module; 323, maintenance center. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] In the following text, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present invention. Therefore, the drawings and the description are considered to be exemplary in nature rather than restrictive.

[0023] It should be understood that, as used in this specification and the appended claims, the terms "comprising" and "including" indicate the presence of the described features, integers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or their groups.

[0024] It should also be understood that the terms used in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention. As used in the specification of the present invention and the appended claims, unless the context clearly dictates otherwise, the singular forms "a", "an", and "the" are intended to include the plural forms.

[0025] It should be further understood that the term "and / or" used in the specification of the present invention and the appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0026] Schematic diagrams of various structures according to the disclosed embodiments of the present invention are shown in the drawings. These figures are not drawn to scale, where certain details are enlarged for clarity of expression, and certain details may be omitted. The shapes of the various regions and layers shown in the figures and their relative sizes and positional relationships are merely exemplary, and may deviate in practice due to manufacturing tolerances or technical limitations. Those skilled in the art can additionally design regions / layers with different shapes, sizes, and relative positions according to actual needs.

[0027] Embodiments of the present invention will be described in detail below with reference to the drawings.

[0028] Embodiment 1 As Figure 1 shown, an unmanned marine resource collection system includes: Multifunctional collection module: including a collection vehicle 100, and the collection vehicle 100 collects underwater mineral resources and garbage respectively through a switchable robotic arm 110; Hybrid transfer module, including a transfer vehicle 200, which is used to store and transfer the collected underwater mineral resources and garbage; Integrated processing module, including: Oceanic outpost platform 310: used to supply power to the multifunctional collection module, monitor and repair faults; Inshore master control platform 320: used to receive and sort underwater mineral resources, and diagnose and repair faults of the collection vehicle 100 and the transfer vehicle 200.

[0029] Further, as Figure 2As shown in the figure, the multi-functional acquisition module includes an acquisition vehicle 100, and the acquisition vehicle 100 includes a switchable robotic arm 110. The switchable robotic arm 110 is composed of a resource acquisition head 111 and a garbage clamping head 112. The resource acquisition head 111 and the garbage clamping head 112 are respectively connected to the arm body connection mechanism 113. Through the arm body connection mechanism 113, the automatic switching between the resource acquisition head 111 and the garbage clamping head 112 is realized. The resource acquisition head 111 is equipped with a mineral acquisition head, and the garbage clamping head 112 is equipped with a garbage jaw; the multi-functional acquisition module also includes a power device, and the power device is composed of a solar panel 120 and a wireless charging module. The acquisition vehicle 100 is powered by the power generated by the solar panel 120.

[0030] Furthermore, the resource acquisition head 111 includes a mineral detection sensor, an acquisition pressure compensation module, and an emergency detachment mechanism. The mineral detection sensor is used to detect whether there are mineral resources underwater. When mineral resources are detected, the resource acquisition head 111 starts to acquire minerals; otherwise, the garbage clamping head 112 continues to acquire garbage; the acquisition pressure compensation module is used to adjust the pressure to make the acquisition vehicle 100 adapt to the underwater pressure; the emergency detachment mechanism is used to detect the pulling force of the resource acquisition head 111. When the pulling force exceeds the preset threshold, the resource acquisition head 111 is automatically disconnected.

[0031] Furthermore, the comprehensive processing module includes an ocean outpost platform 310 and a nearshore general control platform 320. As Figure 3 shown, the ocean outpost platform 310 is used to monitor the working state of the acquisition vehicle 100, including a fast charging dock 311 and a basic maintenance station 312. The fast charging dock 311 includes a solar power generation device and a wireless charging device. When the ocean outpost platform 310 detects a fault in the power supply module of the acquisition vehicle 100, it can replenish power in time through the wireless charging device; when the ocean outpost platform 310 detects a fault in the interfaces of the resource acquisition head 111 and the garbage clamping head 112 of the acquisition vehicle 100, the basic maintenance station 312 can replace the interfaces in time. At the same time, the basic maintenance station 312 is equipped with a high-pressure water gun to be able to remove the sundries on the surface of the acquisition vehicle 100; Furthermore, as Figure 4As shown in the figure, the hybrid transfer module includes a transfer vehicle 200 and an energy drive module. The transfer vehicle 200 includes a constant-temperature material cabin 210 and a leak-proof garbage cabin 220. The constant-temperature material cabin 210 stores the mineral resources collected by the resource collection head 111, and the leak-proof garbage cabin 220 stores the garbage clamped by the garbage clamping head 112. A filter screen and an ultrasonic vibrator are arranged inside the leak-proof garbage cabin 220. The porosity of the filter screen can be automatically adjusted, and the ultrasonic vibrator is used to prevent garbage from adhering to the filter screen. The energy drive module integrates a solar compensation unit and a battery system. The battery system is used to provide electrical energy for the transfer vehicle 200. When the power in the battery system is insufficient, the solar compensation unit replenishes the battery system.

[0032] Furthermore, the constant-temperature material cabin 210 is equipped with a sealing port to ensure that the internal temperature and pressure are within a constant range.

[0033] Furthermore, as Figure 5 shown in the figure, the nearshore total control platform 320 is set near the coast and includes a material sorting line 321, a power generation module 322, and a maintenance center 323. The material sorting line 321 is used to receive and sort the mineral resources in the constant-temperature material cabin 210. The power generation module 322 integrates wave power generation, a solar power generation array, and a wireless charging module, and is used to supply power to the material sorting line 321 and charge the transfer vehicle 200 through the wireless charging module. The maintenance center 323 has a fault diagnosis center and a precision maintenance workshop, and is used to diagnose system faults and take corresponding measures for remedy.

[0034] Furthermore, the material sorting line 321 includes a density sorting unit, an electromagnetic separation unit, a robotic arm grasping unit, and an intelligent classification database, and is configured with an identification system. Different mineral types are identified through the identification system, and different sorting modes are selected based on different mineral types. The density sorting unit sorts based on the density of the minerals. Minerals with different densities will have different sedimentation speeds under the action of forces such as gravity and hydrodynamic forces in the medium, thus achieving separation. The electromagnetic separation unit sorts based on the magnetism of the minerals. Magnetic minerals will be attracted by the magnetic field, thus achieving separation from non-magnetic minerals. The robotic arm grasping unit precisely grasps specific types of minerals according to the instructions of the intelligent classification database and places them in designated positions.

[0035] Furthermore, the maintenance center 323 includes: a vehicle fault diagnosis module: through multi-sensor fusion diagnosis, retrieve the fault records to match the fault types of the transfer vehicle 200; a on-site replacement module: is provided with standard interfaces and can quickly replace damaged device modules; a remanufacturing system, which can print compensation devices through additive manufacturing technology.

[0036] Embodiment 2 A method for unmanned collection of marine resources is as follows: The acquisition vehicle 100 operates in the 2000-meter water depth area. The acquisition pressure compensation system automatically adjusts the pressure to adapt to the deep-sea pressure. After the mineral detection sensor detects manganese nodules, the switchable robotic arm 110 is activated to switch to the resource acquisition head 111 for grasping, and the collected mineral resources are placed into the constant-temperature material cabin 210. When no mineral resources are detected, the switchable robotic arm 110 controls the garbage gripper 112 to grip the garbage and place it into the leak-proof garbage cabin 220. The porosity is automatically adjusted through the electric adjustable filter screen to prevent garbage leakage, and the ultrasonic vibrator prevents the garbage in the leak-proof garbage cabin 220 from sticking.

[0037] When the mineral in the constant-temperature material cabin 210 is full, it is transported to the material sorting line 321 by the transfer vehicle 200. The material sorting line 321 sorts the mineral resources through density sorting, electromagnetic sorting, and robotic arm grasping, and combines the intelligent classification database to classify and store them according to the sorting results. The garbage in the leak-proof garbage cabin 220 is transported to the garbage transfer station.

[0038] Preferably, the ocean outpost platform 310 monitors the working status of the acquisition vehicle 100 in real time. When a mechanical arm failure of the acquisition vehicle 100 is detected, the basic maintenance station 312 can control the arm connection mechanism 113 to replace the mechanical arm in a timely manner.

[0039] Preferably, when the acquisition vehicle 100 has a serious failure, it is transported to the nearshore maintenance center 323. The nearshore maintenance center 323 diagnoses and identifies the failure, and the maintenance personnel perform repairs according to the failure category.

[0040] Finally, it should be noted that the above embodiments only describe the basic principles, main features, and advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0041] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment contains only an independent technical solution. This narrative style of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art. The above content is only to illustrate the technical idea of the present invention and cannot be used to limit the protection scope of the present invention. Any changes made on the basis of the technical solution according to the technical idea proposed by the present invention fall within the protection scope of the claims of the present invention.

Claims

1. An unmanned marine resource collection system, characterized in that, Including: Multifunctional acquisition module: It includes an acquisition vehicle (100), and the acquisition vehicle (100) acquires underwater mineral resources and garbage respectively through a switchable robotic arm (110); Hybrid transfer module, including a transfer vehicle (200), which is used to store and transfer the acquired underwater mineral resources and garbage; Integrated processing module, including: Ocean outpost platform (310): It is used to supply power to the multifunctional acquisition module, monitor faults and perform repairs; Inshore general control platform (320): It is used to receive and sort underwater mineral resources, and perform fault diagnosis and repair on the acquisition vehicle (100) and the transfer vehicle (200).

2. The unmanned marine resource collection system according to claim 1, characterized in that, A resource acquisition head (111) and a garbage clamping head (112) are arranged on the switchable robotic arm (110). The resource acquisition head (111) and the garbage clamping head (112) are respectively connected to an arm body connection mechanism (113). The automatic switching of the resource acquisition head (111) and the garbage clamping head (112) is realized through the switchable robotic arm (110), and the resource acquisition head (111) and the garbage clamping head (112) are replaced through the arm body connection mechanism (113).

3. The unmanned marine resource collection system according to claim 2, characterized in that, The resource acquisition head (111) includes: A mineral detection sensor, which is used to detect whether there are mineral resources underwater. When there are mineral resources, the resource acquisition head (111) acquires the mineral resources. Otherwise, the garbage clamping head (112) acquires the garbage; An acquisition pressure compensation module, which is used to adjust the pressure of the acquisition vehicle (100); An emergency detachment mechanism, which is used to detect the pulling force of the resource acquisition head (111). When the pulling force exceeds the set threshold, the resource acquisition head (111) is automatically disconnected.

4. The unmanned marine resource collection system according to claim 3, characterized in that, The ocean outpost platform (310) includes a fast charging dock (311) and a basic maintenance station (312); The fast charging dock (311) is used to supply power to the acquisition vehicle (100); The basic maintenance station (312) is used to monitor the working state of the acquisition vehicle (100). When the resource acquisition head (111) and the garbage clamping head (112) of the acquisition vehicle (100) fail, they can be replaced.

5. The unmanned marine resource collection system according to claim 1, characterized in that, The hybrid transfer module includes a constant temperature material cabin (210) and a leak-proof garbage cabin (220). The constant temperature material cabin (210) is used to store the acquired mineral resources, and the leak-proof garbage cabin (220) is used to store the acquired garbage.

6. The unmanned marine resource collection system according to claim 5, characterized in that, A filter screen and an ultrasonic vibrator are arranged inside the leak-proof garbage cabin (220). The porosity of the filter screen can be automatically adjusted, and the ultrasonic vibrator is used to prevent garbage from adhering to the filter screen.

7. The unmanned marine resource collection system according to claim 5, characterized in that, The inshore general control platform (320) includes a material sorting line (321). The material sorting line (321) is configured with a multi-stage sorting mechanism, an identification system and an intelligent classification database, which are used to identify different mineral resources based on the identification system and select a sorting mechanism, and sort the mineral resources in the constant temperature material cabin (210) in combination with the intelligent classification database.

8. The unmanned marine resource collection system according to claim 7, characterized in that, The nearshore general control platform (320) includes a power generation module (322) and a maintenance center (323). The power generation module (322) integrates wave power generation, a solar power generation array, and a wireless charging module, and is used to supply power to the material sorting line (321) and charge the transfer vehicle (200) through the wireless charging module. The maintenance center (323) is equipped with a fault diagnosis center and a precision maintenance workshop, and is used to diagnose vehicle faults and take corresponding measures for remedy.

9. The unmanned collection method of marine resources according to any one of claims 1 to 8, characterized in that, The specific method is as follows: After the mineral detection sensor detects mineral resources, the switchable robotic arm (110) is activated to switch to the resource collection head (111) for grasping, and the collected mineral resources are placed in the constant-temperature material cabin (210). When the constant-temperature material cabin (210) is full of minerals, they are transported to the material sorting line (321). The material sorting line (321) sorts the mineral resources through a sorting mechanism in combination with an intelligent classification database, and stores them according to the sorting results.

10. A method for unmanned collection of marine resources according to claim 9, characterized in that, When the mineral detection sensor does not detect mineral resources, the switchable robotic arm (110) controls the garbage gripper (112) to grip the garbage and put it into the leak-proof garbage cabin (220). The porosity is automatically adjusted by an electric regulating filter screen to prevent garbage leakage, and an ultrasonic vibrator prevents the garbage in the leak-proof garbage cabin (220) from sticking.