A UAV for marine survey and its use method

The drone addresses the limitations of existing ocean survey drones by enabling stratified seawater and sediment collection and analysis at various depths with stabilization features, facilitating efficient sample collection and analysis.

CN118907461BActive Publication Date: 2024-12-31自然资源部宁德海洋中心(自然资源部宁德海洋预报台)
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202411412262.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-10-11
Publication Date
2024-12-31
Estimated Expiration
2044-10-11

AI Technical Summary

Technical Problem

Current drones are limited in their ability to perform stratified extraction and water quality surveys of different depths in oceans, and cannot effectively observe or sample difficult-to-reach locations or offshore aquaculture areas.

Method used

A drone equipped with a water quality survey mechanism and sediment survey mechanism, featuring a lifting mechanism, stabilizing mechanisms, and sensors for collecting and analyzing seawater and sediments at various depths, with mechanisms to stabilize the drone during operation.

Benefits of technology

Enables the drone to collect and analyze seawater and sediments at different depths, stabilize during movement, and separate samples efficiently, allowing for real-time observation and recording of water quality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN118907461B_ABST
    Figure CN118907461B_ABST
Patent Text Reader

Abstract

The invention relates to the technical field of unmanned aerial vehicles, and discloses an unmanned aerial vehicle for marine survey and a method for using the unmanned aerial vehicle. The unmanned aerial vehicle comprises an unmanned aerial vehicle body, wherein the unmanned aerial vehicle body is connected to a lower connecting plate through a first lifting mechanism, and a seawater quality survey mechanism is connected to the lower connecting plate, so that seawater can be collected and surveyed, and seawater at different depths can be collected and surveyed. The pressure difference caused by different depths is utilized to press water into a sampler for collection, and after the collection is completed, automatic closure can be achieved to prevent the water pressure from increasing due to continued descent and the water collected at a position with low pressure from being pressed out; at the same time, real-time observation of seawater quality is achieved and recorded and stored by carrying a water quality survey sensor; sediments at different positions can be acquired and collected, and after the acquisition and collection is completed, the acquired sediments can be conveniently studied separately.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present invention belongs to the technical field of unmanned aerial vehicles, and in particular relates to an unmanned aerial vehicle for ocean survey and a method for using the unmanned aerial vehicle. Background Art

[0002] Unmanned aerial vehicles, or "drones" for short, are unmanned aircraft that are controlled by radio remote control equipment and self-contained program control devices, or are operated completely or intermittently autonomously by an onboard computer. Drones can be divided into military and civilian applications according to their fields of application. In the military, drones are divided into reconnaissance aircraft and target aircraft. In the civilian field, drones + industry applications are the real rigid demand for drones; their applications in aerial photography, agriculture, plant protection, micro selfies, express delivery, disaster relief, wildlife observation, infectious disease monitoring, surveying and mapping, news reporting, power inspections, disaster relief, film and television shooting, creating romance, etc., have greatly expanded the uses of drones themselves.

[0003] Currently, when conducting ocean surveys, drones only patrol, observe and investigate the sea surface. They cannot hover above the sea surface to perform stratified extraction, collection and water quality surveys of water bodies at different depths in the ocean. They cannot perform observation and sampling of locations that are difficult for ships to reach and offshore aquaculture areas. Summary of the invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a drone for ocean survey and a method of using the drone, which effectively solves the problems mentioned in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a drone for marine survey, comprising a survey drone body, wherein the survey drone body is connected to a lower connecting plate through a first lifting mechanism, and a water quality survey mechanism is connected to the lower connecting plate, wherein the water quality survey mechanism comprises a plurality of connecting rods detachably connected to the lower part of the lower connecting plate, a counterweight plate detachably connected to the lower end of the connecting rod, a plurality of mounting rings detachably connected to the connecting rod from top to bottom, a water quality survey cylinder detachably connected to the mounting ring, and a counterweight plate detachably connected to the water quality survey cylinder from top to bottom. A plurality of seawater collecting chambers are provided at the bottom, a transmission chamber is provided in the water quality investigation cylinder on the upper side of each seawater collecting chamber, a water inlet channel is processed on the end wall of the seawater collecting chamber, a pressure valve is fixedly installed between the end walls of the water inlet channel, and each pressure valve bears different pressures, a seawater discharge channel is penetrated and processed on the end wall of the seawater collecting chamber away from the water inlet channel, a seawater discharge valve is fixedly installed between the end walls of the seawater discharge channel, the seawater discharge channel is close to the bottom of the seawater collecting chamber, and a plurality of water quality investigation sensors are evenly fixedly installed on the upper part of the counterweight plate.

[0006] Preferably, a closing mechanism is connected between the end walls of the seawater collecting chamber, and the closing mechanism includes a pushing floating plate slidably connected between the end walls of the seawater collecting chamber, an active rack is fixedly connected to the upper part of the pushing floating plate, the active rack penetrates and is slidably connected to the upper end wall of the seawater collecting chamber, and the active rack extends into the transmission chamber, the active rack is meshed with a closed main gear, the closed main gear is fixedly mounted on the outer surface of the active gear shaft, the active gear shaft is rotatably mounted between the end walls of the transmission chamber, a first bevel gear is fixedly mounted on the outer surface of the active gear shaft at the rear side of the closed main gear, the first bevel gear is meshed with the second bevel gear, and the second bevel gear is fixedly mounted It is installed on one end of the bevel gear shaft, and the other end of the bevel gear shaft is rotatably installed on the end wall of the transmission chamber. A third bevel gear is fixedly installed on the outer surface of the bevel gear shaft, and the third bevel gear is meshed with a fourth bevel gear. The fourth bevel gear is fixedly installed on the rear end of the driven gear shaft, and the front end of the driven gear shaft is rotatably installed on the end wall of the transmission chamber. A closed sub-gear is fixedly installed on the outer surface of the driven gear shaft, and the closed sub-gear is meshed with a closed rack plate. The closed rack plate is slidably installed between the end walls of the closed rack plate sliding groove, and the closed rack plate sliding groove is arranged on the bottom wall of the transmission chamber, and the closed rack plate sliding groove extends into the water inlet channel.

[0007] Preferably, the first lifting mechanism includes a first rope cavity provided in the body of the survey drone, a first rope shaft is rotatably connected between the end walls of the first rope cavity, a first rope is wound around the outer surface of the first rope shaft, a rope connecting column is fixedly connected to the lower end of the first rope, the rope connecting column is fixedly connected to the lower connecting plate, the first rope shaft extends into a first lifting gear cavity, the first lifting gear cavity is provided in the body of the survey drone, a first lifting sub-gear is fixedly installed on the outer surface of the first rope shaft in the first lifting gear cavity, the first lifting sub-gear is meshed with the first lifting main gear, the first lifting main gear is fixedly installed on the outer surface of the first lifting main gear shaft, the first lifting main gear shaft is rotatably installed between the end walls of the first lifting gear cavity, the first lifting main gear shaft is connected to the power output shaft of the first lifting motor provided in the body of the survey drone, a first channel is penetrated through the first rope cavity, and the lower side of the first channel is processed into a trumpet shape.

[0008] Preferably, a first stabilizing mechanism is provided on the end wall of the first channel, the first stabilizing mechanism includes an annular groove provided on the end wall of the first channel, one end of a first stabilizing electric push rod is fixedly connected to the end wall of the annular groove, and the other end of the first stabilizing electric push rod is fixedly connected to a first stabilizing plate, a stabilizing annular groove is provided on the bottom wall of the survey drone body outside the first channel, a stabilizing electric screw is rotatably connected to the end wall of the stabilizing annular groove, the stabilizing electric screw is threadedly connected to a stabilizing annular frame, the stabilizing annular frame is slidably connected between the end walls of the stabilizing annular groove, the stabilizing annular frame is inserted into a first stabilizing annular slot, and the first stabilizing annular slot is provided on the upper part of the lower connecting plate.

[0009] Preferably, a fixed plate is connected to the survey drone body through a second lifting mechanism, and a sediment survey mechanism is provided at the lower part of the fixed plate, and the sediment survey mechanism includes a plurality of fixed rods detachably connected to the lower part of the fixed plate, a supporting ring is fixedly connected to the lower part of the fixed rod, a plurality of reciprocating electric push rods are fixedly connected to the lower part of the fixed plate, a pushing plate is fixedly connected to the lower part of the reciprocating electric push rod, and an acquisition cylinder is detachably connected to the lower part of the pushing plate, the pushing plate is slidably connected to the fixed rod, the acquisition cylinder is slidably connected to the stabilizing plate, and the stabilizing plate is fixedly mounted on the fixed rod, a sediment acquisition channel is provided in the acquisition cylinder, a spring cavity is provided at the lower outlet position of the sediment acquisition channel, a plurality of closing plates are slidably connected between the end walls of the spring cavity, the closing plates are joined together to close the sediment acquisition channel, and an acquisition spring is clamped between the closing plate and the end wall of the spring cavity.

[0010] Preferably, a partition mechanism is provided in the acquisition tube, and the partition mechanism includes a partition chamber provided in the acquisition tube on one side of the sediment acquisition channel, a connecting groove is provided between the bottom of the partition chamber and the sediment acquisition channel, a partition plate is placed in the partition chamber, a partition groove is provided on the end wall of the partition chamber away from the connecting groove, and a partition electric push rod is fixedly connected to the end wall of the partition groove.

[0011] Preferably, the second lifting mechanism includes a second rope cavity provided in the body of the survey drone, a second rope shaft is rotatably connected between the end walls of the second rope cavity, a second rope is wound around the outer surface of the second rope shaft, the lower end of the second rope is fixedly connected to the fixed plate, a second through hole is penetrated through the bottom wall of the second rope cavity, the second rope shaft extends into the second lifting gear cavity, a second lifting sub-gear is fixedly installed on the outer surface of the second rope shaft in the second lifting gear cavity, the second lifting sub-gear is meshed with the second lifting main gear, the second lifting main gear is fixedly installed on the outer surface of the second lifting main gear shaft, the second lifting main gear is rotatably installed between the end walls of the second lifting gear cavity, and the second lifting main gear shaft is connected to the power output shaft of the second lifting motor provided in the body of the survey drone.

[0012] Preferably, a second stabilizing mechanism is provided on the survey drone body outside the second through hole, the second stabilizing mechanism includes a pneumatic cavity provided in the survey drone body, a push plate is slidably connected between the end walls of the pneumatic cavity, the push plate and the end wall of the pneumatic cavity are sealed, a push rod is fixedly connected to the lower part of the push plate, the push rod passes through and is slidably installed on the bottom wall of the pneumatic cavity, a spring is clamped between the push plate and the upper end wall of the pneumatic cavity, one end of the air supply pipe is connected to the upper end wall of the spring, the other end of the air supply pipe is fixedly connected to a stabilizing pneumatic rod, the stabilizing pneumatic rod is fixedly installed on the upper end wall of the second stabilizing groove, the second stabilizing groove is provided on the survey drone body in the pneumatic cavity, the lower end of the stabilizing pneumatic rod is fixedly connected with a second stabilizing plate, the second stabilizing plate is slidably installed between the end walls of the second stabilizing groove, the second stabilizing plate is inserted into the second stabilizing annular slot, and the second stabilizing annular slot is processed on the upper part of the fixed plate.

[0013] Preferably, the survey drone body is symmetrically fixedly connected to wings, the lower part of the wings is fixedly connected to a cross frame, the cross frame is symmetrically provided with propellers, the lower part of the cross frame is fixedly connected to a float plate connecting rod, and the lower part of the float plate connecting rod is fixedly connected to a float plate.

[0014] The present invention provides a method for using a drone for ocean survey. Based on the above-mentioned drone for ocean survey, the steps include:

[0015] Step 1: The survey drone moves to a location that is difficult for ships to reach;

[0016] Step 2: When the survey drone body moves, the first stabilizing mechanism moves, thereby stabilizing the lower connecting plate and the water quality survey cylinder to prevent shaking during movement and affecting the movement;

[0017] Step 3: When the survey drone body moves, the second stabilizing mechanism moves, thereby stabilizing the fixing plate and the acquisition tube to prevent shaking during movement and affecting the movement;

[0018] Step 4: After moving to the corresponding position, the survey drone body moves downward, so that the floating plate moves downward and contacts the ocean surface, so that the floating plate floats on the sea surface;

[0019] Step 5: After the floating plate floats on the sea surface, the first lifting mechanism moves, thereby driving the lower connecting plate to move downward, thereby driving the water quality investigation cylinder to move downward into the sea water and sink, thereby realizing the investigation of the sea water quality;

[0020] Step 6: After the survey and sampling, the closing mechanism moves to close the water inlet channel;

[0021] Step 7: After the floating plate floats on the sea surface, the second lifting mechanism moves, thereby driving the fixed plate to move downward, thereby driving the sediment acquisition tube to move downward;

[0022] Step 8: The sediment survey mechanism moves to obtain the sediment, and then separates the sediment after obtaining it. The sediment is obtained once and separated once.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] 1. The present invention provides a drone for ocean survey, which can collect seawater and investigate water quality, and can collect and investigate seawater at different depths. By using the pressure difference caused by different depths, water is pressed into a sampler for collection, and after the collection is completed, it can be automatically closed to prevent the water collected at the position with low pressure from being pressed out due to the increase of water pressure due to further descent. At the same time, the water quality of seawater can be observed in real time and recorded and stored by carrying a water quality investigation sensor.

[0025] 2. The present invention provides a drone for marine surveys, which can collect and investigate sediments, and after a sample is collected, it can be separated. Through collection and separation, sediments from different locations can be collected, and after the collection is completed, the obtained sediments can be studied separately.

[0026] 3. The present invention provides a UAV for marine survey, which can be suspended on the sea surface, making it easy to obtain water samples and sediments, and can be stabilized by a stabilizing mechanism during movement to reduce shaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0028] In the attached picture:

[0029] Figure 1 This is a schematic diagram of the first direction structure of a UAV for ocean survey in the present invention;

[0030] Figure 2 This is a schematic diagram of the second direction structure of a UAV for ocean survey in the present invention;

[0031] Figure 3 This is a schematic diagram of the third-direction structure of a UAV for ocean survey in the present invention;

[0032] Figure 4 The fourth direction structural schematic diagram of a UAV for ocean survey in the present invention;

[0033] Figure 5 for Figure 4 Schematic diagram of the cross-sectional structure at AA in the middle;

[0034] Figure 6 for Figure 5 Schematic diagram of the cross-sectional structure at the middle BB;

[0035] Figure 7 for Figure 5 Schematic diagram of the cross-sectional structure at CC in the middle;

[0036] Figure 8 for Figure 5 Schematic diagram of the cross-sectional structure at DD in the middle;

[0037] Fig. 9 for Figure 5 Schematic diagram of the enlarged structure at E in the middle;

[0038] Fig.10 for Figure 5 The enlarged structural diagram at F in the middle;

[0039] Fig.11 for Figure 8 Schematic diagram of the enlarged structure at G in the middle;

[0040] Fig.12 It is a structural schematic diagram of the combination of the sediment collection mechanism and the second stabilizing mechanism in the present invention;

[0041] Fig.13 It is a schematic diagram of the first direction structure of a combination of a part of the sediment investigation mechanism and a part of the second stabilization mechanism in the present invention;

[0042] Fig.14It is a schematic diagram of the second direction structure of a combination of a part of the sediment investigation mechanism and a part of the second stabilization mechanism in the present invention;

[0043] Fig.15 It is a schematic diagram of the first direction structure of the water quality investigation mechanism in the present invention;

[0044] Fig.16 It is a schematic diagram of the second direction structure of the water quality investigation mechanism in the present invention.

[0045] In the figure: 1-survey drone body, 2-propeller, 3-cross frame, 4-wing, 5-floating plate, 6-floating plate connecting rod, 7-lower connecting plate, 8-connecting rod, 9-counterweight plate, 10-water quality survey cylinder, 12-fixing plate, 13-fixing rod, 14-reciprocating electric push rod, 15-acquisition cylinder, 16-stabilizing plate, 17-support ring, 18-water quality survey sensor, 19-closing plate, 20-installing ring, 21-first line rope cavity, 22-first line rope, 23-first line rope shaft, 24-stabilizing electric Screw rod, 25-stable annular groove, 26-stable annular frame, 27-first channel, 28-first stable plate, 29-first stable electric push rod, 30-wire connecting column, 31-first stable annular slot, 32-second stable annular slot, 33-annular groove, 34-second wire rope cavity, 35-second wire rope, 36-second wire rope shaft, 37-second through hole, 38-air pipe, 39-spring, 40-pneumatic cavity, 41-push plate, 42-push rod, 43-second stable plate, 44-stable gas pressure rod, 4 5-second stable tank, 46-first lifting gear chamber, 47-first lifting sub-gear, 48-first lifting main gear, 49-first lifting main gear shaft, 50-first lifting motor, 51-second lifting gear chamber, 52-second lifting main gear, 53-second lifting main gear shaft, 54-second lifting sub-gear, 55-sediment acquisition channel, 56-separation chamber, 57-seawater collection chamber, 58-seawater discharge valve, 59-seawater discharge channel, 60-pushing floating plate, 61-active rack, 62-transmission Dynamic cavity, 63-closed main gear, 64-bevel gear shaft, 65-closed secondary gear, 66-closed rack plate, 67-closed rack plate sliding groove, 68-water inlet channel, 69-pressure valve, 70-driving gear shaft, 71-first bevel gear, 72-second bevel gear, 73-third bevel gear, 74-fourth bevel gear, 75-driven gear shaft, 76-partitioning groove, 77-partitioning electric push rod, 78-partitioning plate, 79-obtaining spring, 80-spring cavity, 81-pushing disk, 82-second lifting motor. DETAILED DESCRIPTION

[0046] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0047] like Figure 1-12 As shown, the present invention provides a drone for marine surveys, wherein the components of the present invention are made of pressure-resistant, corrosion-resistant and wear-resistant materials, including a survey drone body 1, wherein the survey drone body 1 is connected to a lower connecting plate 7 through a first lifting mechanism, wherein the lower connecting plate 7 is connected to a water quality survey mechanism, wherein the water quality survey mechanism is used to collect and obtain seawater and conduct water quality surveys, wherein the mechanism comprises a plurality of connecting rods 8 detachably connected to the lower portion of the lower connecting plate 7, wherein a counterweight plate 9 is detachably connected to the lower end of the connecting rod 8, wherein a plurality of mounting rings 20 are detachably connected to the connecting rod 8 from top to bottom, wherein a water quality survey cylinder 10 is detachably connected to the mounting ring 20, wherein a plurality of seawater collecting chambers 57 are provided in the water quality survey cylinder 10 from top to bottom, wherein each of the seawater collecting chambers 57 is provided with a plurality of seawater collecting chambers 57 on the upper side of the water quality survey cylinder 10 A transmission chamber 62 is provided inside, a water inlet channel 68 is processed on the end wall of the seawater collecting chamber 57, a pressure valve 69 is fixedly installed between the end walls of the water inlet channel 68, each pressure valve 69 bears different pressures, and the pressure that the pressure valve 69 can bear increases from bottom to top, a seawater discharge channel 59 is processed through the end wall of the seawater collecting chamber 57 away from the water inlet channel 68, a seawater discharge valve 58 is fixedly installed between the end walls of the seawater discharge channel 59, and the water in the seawater collecting chamber 57 is discharged through the seawater discharge valve 58, the seawater discharge channel 59 is close to the bottom of the seawater collecting chamber 57, and a plurality of water quality survey sensors 18 are evenly fixedly installed on the upper part of the counterweight plate 9, and the water quality survey sensor 18 can be a temperature sensor, a salinity sensor, a pH value sensor, an oxygen content measuring instrument, etc.;

[0048] During operation, the counterweight plate 9 moves downward, thereby causing the water quality investigation cylinder 10 to move downward, thereby driving the connecting rod 8 to move downward, thereby driving the lower connecting plate 7 to move downward. During the downward movement of the water quality investigation cylinder 10, due to the different pressures that the pressure valve 69 can withstand, water first enters through the water inlet channel 68 at the lowermost side, and enters the seawater collecting chamber 57 through the pressure valve 69. When discharged, the seawater discharge valve 58 is opened to drain the water in the seawater collecting chamber 57, so that the water is discharged through the seawater discharge channel 59. During the downward movement of the counterweight plate 9, different water quality investigation sensors 18 detect and investigate the corresponding information. The water quality investigation cylinder 10 moves downward. As the water quality investigation cylinder 10 moves downward to different depths, it is subjected to different pressures, thereby realizing the collection of water samples in all the seawater collecting chambers 57.

[0049] Advantageously, a closing mechanism is connected between the end walls of the seawater collecting chamber 57, and the closing mechanism is used to close the water inlet channel 68 to prevent the water sample collected in the lower seawater collecting chamber 57 from being squeezed out due to the increase of depth pressure. The closing mechanism includes a push float 60 slidably connected between the end walls of the seawater collecting chamber 57, and an active rack 61 is fixedly connected to the upper part of the push float 60. The active rack 61 penetrates and is slidably connected to the upper end wall of the seawater collecting chamber 57, and the active rack 61 extends into the transmission chamber 62. The active rack 61 is meshed with a closed main gear 63, and the closed main gear 63 is fixedly mounted on the outer surface of a driving gear shaft 70, and the driving gear shaft 70 is rotatably mounted between the end walls of the transmission chamber 62. A first bevel gear 71 is fixedly mounted on the outer surface of the driving gear shaft 70 at the rear side of the closed main gear 63. The first bevel gear 71 is meshed with the second bevel gear 72, the second bevel gear 72 is fixedly mounted on one end of the bevel gear shaft 64, and the other end of the bevel gear shaft 64 is rotatably mounted on the end wall of the transmission chamber 62. The outer surface of the bevel gear shaft 64 is fixedly mounted with a third bevel gear 73, the third bevel gear 73 is meshed with a fourth bevel gear 74, the fourth bevel gear 74 is fixedly mounted on the rear end of a driven gear shaft 75, the front end of the driven gear shaft 75 is rotatably mounted on the end wall of the transmission chamber 62, and the outer surface of the driven gear shaft 75 is fixedly mounted with a closed pinion gear 65, the closed pinion gear 65 is meshed with a closed rack plate 66, the closed rack plate 66 is slidably mounted between the end walls of a closed rack plate sliding groove 67, the closed rack plate sliding groove 67 is provided on the bottom wall of the transmission chamber 62, and the closed rack plate sliding groove 67 extends into the water inlet channel 68;

[0050] During operation, water enters the seawater collecting chamber 57. As the water level in the seawater collecting chamber 57 rises, the pushing floating plate 60 is pushed upward, thereby pushing the active rack 61 upward. The active rack 61 is meshed with the closed main gear 63, thereby driving the active gear shaft 70 to rotate, thereby driving the first bevel gear 71 to rotate. The first bevel gear 71 is meshed with the second bevel gear 72, thereby driving the bevel gear shaft 64 to rotate, thereby driving the third bevel gear 73 to rotate. The third bevel gear 73 is meshed with the fourth bevel gear 74, thereby driving the driven gear shaft 75 to rotate, thereby driving the closed sub-gear 65 to rotate. The closed sub-gear 65 is meshed with the closed rack plate 66, thereby driving the closed rack plate 66 to move downward to close the water inlet channel 68, thereby preventing water from continuing to enter the water inlet channel 68.

[0051] Advantageously, the first lifting mechanism is used to drive the lower connecting plate 7 to move downward, and the first lifting mechanism includes a first rope cavity 21 disposed in the survey drone body 1, and a first rope shaft 23 is rotatably connected between the end walls of the first rope cavity 21, and a first rope 22 is wound around the outer surface of the first rope shaft 23, and a rope connecting column 30 is fixedly connected to the lower end of the first rope 22, and the rope connecting column 30 is fixedly connected to the lower connecting plate 7, and the first rope shaft 23 extends into a first lifting gear cavity 46, and the first lifting gear cavity 46 is disposed in the survey drone body 1. A first lifting sub-gear 47 is fixedly mounted on the outer surface of the first wire rope shaft 23 in a lifting gear cavity 46, and the first lifting sub-gear 47 is meshed with a first lifting main gear 48. The first lifting main gear 48 is fixedly mounted on the outer surface of a first lifting main gear shaft 49, and the first lifting main gear shaft 49 is rotatably mounted between the end walls of the first lifting gear cavity 46. The first lifting main gear shaft 49 is connected to the power output shaft of the first lifting motor 50 provided in the survey drone body 1. A first channel 27 is processed through the first wire rope cavity 21, and the lower side of the first channel 27 is processed into a trumpet shape;

[0052] During operation, the first lifting motor 50 is started, thereby driving the first lifting main gear shaft 49 to rotate, thereby driving the first lifting main gear 48 to rotate, and the first lifting main gear 48 is engaged with the first lifting sub-gear 47, thereby driving the first rope shaft 23 to rotate, thereby driving the first rope 22 to move, thereby driving the rope connecting column 30 to move downward, thereby driving the lower connecting plate 7 to move downward.

[0053] Advantageously, a first stabilizing mechanism is provided on the end wall of the first channel 27, and the first stabilizing mechanism is used to stabilize the lower connecting plate 7. The first stabilizing mechanism includes an annular groove 33 provided on the end wall of the first channel 27, and one end of a first stabilizing electric push rod 29 is fixedly connected to the end wall of the annular groove 33, and the other end of the first stabilizing electric push rod 29 is fixedly connected to a first stabilizing plate 28. A stabilizing annular groove 25 is provided on the bottom wall of the survey drone body 1 outside the first channel 27, and a stabilizing electric lead screw 24 is rotatably connected to the end wall of the stabilizing annular groove 25. The stabilizing electric lead screw 24 is threadedly connected to a stabilizing annular frame 26, and the stabilizing annular frame 26 is slidably connected between the end walls of the stabilizing annular groove 25. The stabilizing annular frame 26 is inserted into a first stabilizing annular slot 31, and the first stabilizing annular slot 31 is provided on the upper part of the lower connecting plate 7.

[0054] During operation, when the lower connecting plate 7 contacts the lower part of the survey drone body 1, the wire rope connecting column 30 is inserted into the first channel 27, so that the first stabilizing electric push rod 29 moves, thereby driving the first stabilizing plate 28 to move to clamp the wire rope connecting column 30, so that the stabilizing electric screw 24 rotates, thereby driving the stabilizing ring frame 26 to move downward, so that the stabilizing ring frame 26 moves downward and is inserted into the first stabilizing ring slot 31, thereby stabilizing the lower connecting plate 7.

[0055] Advantageously, the survey drone body 1 is connected to a fixed plate 12 through a second lifting mechanism, and a sediment survey mechanism is provided at the bottom of the fixed plate 12, and the sediment survey mechanism is used to survey and sample sediments, and the sediment survey mechanism includes a plurality of fixed rods 13 detachably connected to the bottom of the fixed plate 12, and a support ring 17 is fixedly connected to the bottom of the fixed rod 13, and a plurality of reciprocating electric push rods 14 are fixedly connected to the bottom of the fixed plate 12, and a push plate 81 is fixedly connected to the bottom of the push plate 81, and a sampling device is detachably connected to the bottom of the push plate 81. The cylinder 15 is slidably connected between the pushing disk 81 and the fixed rod 13, the acquisition cylinder 15 is slidably connected with the stabilizing disk 16, and the stabilizing disk 16 is fixedly mounted on the fixed rod 13. A sediment acquisition channel 55 is provided in the acquisition cylinder 15, and a spring cavity 80 is provided at the lower outlet position of the sediment acquisition channel 55. A plurality of closing plates 19 are slidably connected between the end walls of the spring cavity 80, and the closing plates 19 are joined together to close the sediment acquisition channel 55. An acquisition spring 79 is clamped between the closing plate 19 and the end wall of the spring cavity 80;

[0056] During operation, the fixed plate 12 moves downward, thereby driving the fixed rod 13 to move downward, thereby driving the support ring 17 to move downward and contact the sediment, so that the reciprocating electric push rod 14 reciprocates once, thereby driving the push plate 81 to reciprocate once, thereby driving the acquisition tube 15 to reciprocate once, so that the sediment contacts the closing plate 19, thereby pressing the acquisition spring 79 to move, so that the sediment enters the sediment acquisition channel 55. When the sediment enters the sediment acquisition channel 55, the acquisition spring 79 pushes the closing plate 19 to close together for sealing.

[0057] Advantageously, a separation mechanism is provided in the acquisition tube 15, and the separation mechanism is used to separate the acquired sediments. The separation mechanism includes a separation chamber 56 provided in the acquisition tube 15 on one side of the sediment acquisition channel 55, a connecting groove is provided between the bottom of the separation chamber 56 and the sediment acquisition channel 55, a separation plate 78 is placed in the separation chamber 56, and a separation groove 76 is provided on the end wall of the separation chamber 56 away from the connecting groove, and a separation electric push rod 77 is fixedly connected to the end wall of the separation groove 76;

[0058] During operation, after reciprocating once, the separation electric push rod 77 reciprocates once, thereby pushing one of the separation plates 78 onto the sediment in the sediment acquisition channel 55 for separation. After reciprocating once, the separation electric push rod 77 is reciprocated once to separate once.

[0059] Advantageously, the second lifting mechanism is used to drive the fixed plate 12 to lift and lower, and the second lifting mechanism includes a second rope cavity 34 provided in the survey drone body 1, a second rope shaft 36 is rotatably connected between the end walls of the second rope cavity 34, a second rope 35 is wound and connected to the outer surface of the second rope shaft 36, and the lower end of the second rope 35 is fixedly connected to the fixed plate 12, a second through hole 37 is processed through the bottom wall of the second rope cavity 34, the second rope shaft 36 extends into the second lifting gear cavity 51, and a second lifting sub-gear 54 is fixedly installed on the outer surface of the second rope shaft 36 in the second lifting gear cavity 51, the second lifting sub-gear 54 is meshed with the second lifting main gear 52, the second lifting main gear 52 is fixedly installed on the outer surface of the second lifting main gear shaft 53, the second lifting main gear shaft 53 is rotatably installed between the end walls of the second lifting gear cavity 51, and the second lifting main gear shaft 53 is connected to the power output shaft of the second lifting motor 82 provided in the survey drone body 1;

[0060] During operation, the second lifting motor 82 is started, thereby driving the second lifting main gear shaft 53 to rotate, thereby driving the second lifting main gear 52 to rotate, and the second lifting main gear 52 is engaged with the second lifting sub-gear 54, thereby driving the second rope shaft 36 to rotate, thereby driving the second rope 35 to move, thereby driving the fixed plate 12 to move downward.

[0061] Advantageously, a second stabilizing mechanism is provided on the survey drone body 1 outside the second through hole 37, and the second stabilizing mechanism is used to stabilize the fixed plate 12. The second stabilizing mechanism includes a pneumatic cavity 40 provided in the survey drone body 1, and a push plate 41 is slidably connected between the end walls of the pneumatic cavity 40, and the push plate 41 is sealed with the end wall of the pneumatic cavity 40. A push rod 42 is fixedly connected to the lower part of the push plate 41, and the push rod 42 is slidably installed on the bottom wall of the pneumatic cavity 40. A spring 39 is clamped between the push plate 41 and the upper end wall of the pneumatic cavity 40, and the spring 39 is One end of an air pipe 38 is connected to the side end wall, and the other end of the air pipe 38 is fixedly connected to a stabilizing gas pressure rod 44, and the stabilizing gas pressure rod 44 is fixedly installed on the upper end wall of a second stabilizing groove 45, and the second stabilizing groove 45 is arranged on the survey drone body 1 in the pneumatic cavity 40, and the lower end of the stabilizing gas pressure rod 44 is fixedly connected to a second stabilizing plate 43, and the second stabilizing plate 43 is slidably installed between the end walls of the second stabilizing groove 45, and the second stabilizing plate 43 is inserted into the second stabilizing annular slot 32, and the second stabilizing annular slot 32 is processed on the upper part of the fixed plate 12;

[0062] During operation, the fixed disk 12 contacts the push rod 42, thereby pushing the push plate 41 to move upward, thereby compressing the spring 39, so that the air in the pneumatic chamber 40 enters the air pipe 38, and enters the stabilizing air pressure rod 44 through the air pipe 38, thereby extending the stabilizing air pressure rod 44, thereby causing the second stabilizing plate 43 to move downward and be inserted into the second stabilizing annular slot 32, thereby stabilizing the fixed disk 12.

[0063] Advantageously, the survey drone body 1 is symmetrically fixedly connected with a wing 4, the lower part of the wing 4 is fixedly connected with a cross frame 3, the cross frame 3 is symmetrically provided with a propeller 2, the lower part of the cross frame 3 is fixedly connected with a floating plate connecting rod 6, and the lower part of the floating plate connecting rod 6 is fixedly connected with a floating plate 5;

[0064] During operation, the propeller 2 rotates, thereby driving the cross frame 3 to move, thereby driving the wing 4 to move, thereby driving the survey drone body 1 to move to the corresponding position. After moving to the corresponding position, the survey drone body 1 moves downward, thereby driving the floating plate connecting rod 6 to move downward, thereby driving the floating plate 5 to move downward and contact the sea surface, and suspend on the sea surface. The floating plate 5 increases a certain support stability.

[0065] The present invention provides a method for using a drone for ocean survey. Based on the above-mentioned drone for ocean survey, the steps include:

[0066] Step 1: The survey drone body 1 moves to a location that is difficult for ships to reach;

[0067] Step 2: When the survey drone body 1 moves, the first stabilizing mechanism moves, thereby stabilizing the lower connecting plate 7 and the water quality survey cylinder 10 to prevent shaking during movement and affecting the movement;

[0068] Step 3: When the survey drone body 1 moves, the second stabilizing mechanism moves, thereby stabilizing the fixing plate 12 and the acquisition tube 15 to prevent shaking during movement and affecting the movement;

[0069] Step 4: After moving to the corresponding position, the survey drone body 1 moves downward, so that the floating plate 5 moves downward and contacts the ocean surface, so that the floating plate 5 floats on the sea surface;

[0070] Step 5: After the floating plate 5 floats on the sea surface, the first lifting mechanism moves, thereby driving the lower connecting plate 7 to move downward, thereby driving the water quality investigation cylinder 10 to move downward into the sea water and sink, thereby realizing the investigation of the sea water quality;

[0071] Step 6: After the survey and sampling, the closing mechanism moves to close the water inlet channel 68;

[0072] Step 7: After the floating plate 5 floats on the sea surface, the second lifting mechanism moves, thereby driving the fixed plate 12 to move downward, thereby driving the acquisition cylinder 15 to move downward;

[0073] Step 8: The sediment survey mechanism moves to obtain the sediment, and then separates the sediment after obtaining it. The sediment is obtained once and separated once.

[0074] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0075] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A drone for marine survey, characterized by: The invention comprises a survey drone body (1), wherein the survey drone body (1) is connected to a lower connecting plate (7) via a first lifting mechanism, and a seawater quality survey mechanism is connected to the lower connecting plate (7), wherein the seawater quality survey mechanism comprises a plurality of connecting rods (8) detachably connected to the lower part of the lower connecting plate (7), and a counterweight plate (9) is detachably connected to the lower end of the connecting rod (8), and a plurality of mounting rings (20) are detachably connected to the connecting rod (8) from top to bottom, and a water quality survey cylinder (10) is detachably connected to the mounting ring (20), and a plurality of seawater collection chambers (57) are evenly arranged in the water quality survey cylinder (10) from top to bottom, and each of the seawater collection chambers (57) is provided with a plurality of seawater collection chambers (57). 7) A transmission chamber (62) is provided in the water quality investigation cylinder (10) on the upper side, a water inlet channel (68) is processed on the end wall of the seawater collecting chamber (57), a pressure valve (69) is fixedly installed between the end walls of the water inlet channel (68), and each pressure valve (69) bears a different pressure, a seawater discharge channel (59) is processed through the end wall of the seawater collecting chamber (57) away from the water inlet channel (68), a seawater discharge valve (58) is fixedly installed between the end walls of the seawater discharge channel (59), and the seawater discharge channel (59) is close to the bottom of the seawater collecting chamber (57), and a plurality of water quality investigation sensors (18) are evenly fixedly installed on the upper part of the counterweight plate (9); A closing mechanism is connected between the end walls of the seawater collecting chamber (57), and the closing mechanism comprises a push floating plate (60) slidably connected between the end walls of the seawater collecting chamber (57). An active rack (61) is fixedly connected to the upper part of the push floating plate (60). The active rack (61) penetrates and is slidably connected to the upper end wall of the seawater collecting chamber (57), and the active rack (61) extends into the transmission chamber (62). The active rack (61) meshes with a closed main gear (63). The closed main gear (63) is fixedly mounted on the outer surface of a driving gear shaft (70). The driving gear shaft (70) is rotatably mounted between the end walls of the transmission chamber (62). A first bevel gear (71) is fixedly mounted on the outer surface of the driving gear shaft (70) at the rear side of the closed main gear (63). The first bevel gear (71) meshes with a second bevel gear (72). The second bevel gear (72) is fixedly mounted on the outer surface of the driving gear shaft (70). One end of a bevel gear shaft (64) and the other end of the bevel gear shaft (64) are rotatably mounted on the end wall of the transmission chamber (62); a third bevel gear (73) is fixedly mounted on the outer surface of the bevel gear shaft (64); the third bevel gear (73) is meshed with a fourth bevel gear (74); the fourth bevel gear (74) is fixedly mounted on the rear end of a driven gear shaft (75); the front end of the driven gear shaft (75) is rotatably mounted on the end wall of the transmission chamber (62); a closed pinion gear (65) is fixedly mounted on the outer surface of the driven gear shaft (75); the closed pinion gear (65) is meshed with a closed rack plate (66); the closed rack plate (66) is slidably mounted between the end walls of a closed rack plate sliding groove (67); the closed rack plate sliding groove (67) is arranged on the bottom wall of the transmission chamber (62); and the closed rack plate sliding groove (67) extends into the water inlet channel (68); The first lifting mechanism comprises a first rope cavity (21) disposed in the survey drone body (1), a first rope shaft (23) being rotatably connected between end walls of the first rope cavity (21), a first rope (22) being wound around the outer surface of the first rope shaft (23), a rope connecting column (30) being fixedly connected to the lower end of the first rope (22), the rope connecting column (30) being fixedly connected to the lower connecting plate (7), the first rope shaft (23) extending into a first lifting gear cavity (46), the first lifting gear cavity (46) being disposed in the survey drone body (1), the first rope shaft (23) in the first lifting gear cavity (46) A first lifting sub-gear (47) is fixedly mounted on the outer surface of a wire rope shaft (23), the first lifting sub-gear (47) meshes with a first lifting main gear (48), the first lifting main gear (48) is fixedly mounted on the outer surface of a first lifting main gear shaft (49), the first lifting main gear shaft (49) is rotatably mounted between the end walls of the first lifting gear cavity (46), the first lifting main gear shaft (49) is connected to the power output shaft of a first lifting motor (50) provided in the survey drone body (1), the first wire rope cavity (21) is penetrated by a first channel (27), and the lower side of the first channel (27) is processed into a trumpet shape; A first stabilizing mechanism is provided on the end wall of the first channel (27), the first stabilizing mechanism comprises an annular groove (33) provided on the end wall of the first channel (27), one end of a first stabilizing electric push rod (29) is fixedly connected to the end wall of the annular groove (33), and the other end of the first stabilizing electric push rod (29) is fixedly connected to a first stabilizing plate (28), a stabilizing annular groove (25) is provided on the bottom wall of the survey drone body (1) outside the first channel (27), a stabilizing electric screw rod (24) is rotatably connected to the end wall of the stabilizing annular groove (25), the stabilizing electric screw rod (24) is threadedly connected to a stabilizing annular frame (26), the stabilizing annular frame (26) is slidably connected between the end walls of the stabilizing annular groove (25), the stabilizing annular frame (26) is inserted into a first stabilizing annular slot (31), and the first stabilizing annular slot (31) is provided on the upper part of the lower connecting plate (7); The survey drone body (1) is connected to a fixed plate (12) via a second lifting mechanism, and a sediment survey mechanism is provided at the bottom of the fixed plate (12). The sediment survey mechanism comprises a plurality of fixed rods (13) detachably connected to the bottom of the fixed plate (12), and a support ring (17) is fixedly connected to the bottom of the fixed rods (13). A plurality of reciprocating electric push rods (14) are fixedly connected to the bottom of the fixed plate (12), and a push plate (81) is fixedly connected to the bottom of the reciprocating electric push rods (14). The push plate (81) is detachably connected to a collection tube (15), and the push plate (81) is connected to the fixed plate (12). The fixed rod (13) is slidably connected between the acquisition tube (15) and the stabilizing plate (16), and the stabilizing plate (16) is fixedly mounted on the fixed rod (13). A sediment acquisition channel (55) is provided in the acquisition tube (15), and a spring chamber (80) is provided at the lower outlet position of the sediment acquisition channel (55). A plurality of closing plates (19) are slidably connected between the end walls of the spring chamber (80), and the closing plates (19) are joined together to close the sediment acquisition channel (55). An acquisition spring (79) is clamped between the closing plate (19) and the end wall of the spring chamber (80); The acquisition tube (15) is provided with a partition mechanism, the partition mechanism comprising a partition chamber (56) provided in the acquisition tube (15) on one side of the sediment acquisition channel (55), a connecting groove provided between the bottom of the partition chamber (56) and the sediment acquisition channel (55), a partition plate (78) placed in the partition chamber (56), a partition groove (76) provided on the end wall of the partition chamber (56) away from the connecting groove, and a partition electric push rod (77) fixedly connected to the end wall of the partition groove (76); The second lifting mechanism comprises a second rope cavity (34) arranged in the survey drone body (1); a second rope shaft (36) is rotatably connected between the end walls of the second rope cavity (34); a second rope (35) is wound around the outer surface of the second rope shaft (36); the lower end of the second rope (35) is fixedly connected to the fixed plate (12); a second through hole (37) is formed through the bottom wall of the second rope cavity (34); the second rope shaft (36) extends into a second lifting gear cavity (51); and the second lifting gear cavity (51) is provided with a second through hole (37). A second lifting sub-gear (54) is fixedly mounted on the outer surface of the second wire rope shaft (36) in the survey drone (51), the second lifting sub-gear (54) is meshed with the second lifting main gear (52), the second lifting main gear (52) is fixedly mounted on the outer surface of the second lifting main gear shaft (53), the second lifting main gear shaft (53) is rotatably mounted between the end walls of the second lifting gear cavity (51), and the second lifting main gear shaft (53) is connected to the power output shaft of the second lifting motor (82) provided in the survey drone body (1); A second stabilizing mechanism is provided on the survey drone body (1) outside the second through hole (37), and the second stabilizing mechanism includes a pneumatic chamber (40) provided in the survey drone body (1), a push plate (41) is slidably connected between the end walls of the pneumatic chamber (40), the push plate (41) and the end wall of the pneumatic chamber (40) are sealed, a push rod (42) is fixedly connected to the lower part of the push plate (41), and the push rod (42) is slidably installed on the bottom wall of the pneumatic chamber (40), a spring (39) is clamped between the push plate (41) and the upper end wall of the pneumatic chamber (40), and an air supply pipe (38) is connected to the upper end wall of the spring (39). ), the other end of the air delivery pipe (38) is fixedly connected to a stabilizing gas pressure rod (44), the stabilizing gas pressure rod (44) is fixedly mounted on the upper end wall of a second stabilizing groove (45), the second stabilizing groove (45) is arranged on the survey drone body (1) in the pneumatic cavity (40), the lower end of the stabilizing gas pressure rod (44) is fixedly connected to a second stabilizing plate (43), the second stabilizing plate (43) is slidably mounted between the end walls of the second stabilizing groove (45), the second stabilizing plate (43) is inserted into a second stabilizing annular slot (32), and the second stabilizing annular slot (32) is processed on the upper part of the fixing plate (12); The survey drone body (1) is symmetrically and fixedly connected to a wing (4), the lower part of the wing (4) is fixedly connected to a cross frame (3), the cross frame (3) is symmetrically provided with a propeller (2), the lower part of the cross frame (3) is fixedly connected to a floating plate connecting rod (6), and the lower part of the floating plate connecting rod (6) is fixedly connected to a floating plate (5).

2. A method for using a drone for marine survey, based on the drone for marine survey described in claim 1, characterized in that: include: Step 1: the survey drone body (1) moves to a location that is difficult for ships to reach; Step 2: When the survey drone body (1) moves, the first stabilizing mechanism moves, thereby stabilizing the lower connecting plate (7) and the water quality survey cylinder (10) to prevent shaking during movement and affecting the movement; Step 3: When the survey drone body (1) moves, the second stabilizing mechanism moves, thereby stabilizing the fixing plate (12) and the acquisition tube (15) to prevent shaking during movement and affecting the movement; Step 4: After moving to the corresponding position, the survey drone body (1) moves downward, so that the floating plate (5) moves downward and contacts the ocean surface, so that the floating plate (5) floats on the ocean surface; Step 5: After the floating plate (5) floats on the sea surface, the first lifting mechanism moves, thereby driving the lower connecting plate (7) to move downward, thereby driving the water quality investigation cylinder (10) to move downward into the seawater and sink, thereby realizing the investigation of the seawater quality; Step 6: After the survey and sampling, the closing mechanism moves to close the water inlet channel (68); Step 7: After the floating plate (5) floats on the sea surface, the second lifting mechanism moves, thereby driving the fixed plate (12) to move downward, thereby driving the acquisition cylinder (15) to move downward; Step 8: The sediment survey mechanism moves to obtain the sediment, and then separates the sediment after obtaining it. The sediment is obtained once and separated once.