CN108674603B - A kind of intelligent lake surface lifeboat and lifesaving method - Google Patents

Abstract

The invention discloses an intelligent lake surface lifeboat and a lifesaving method. The lifeboat includes a hull, a lifebuoy throwing component and a scanning component. The lifebuoy throwing component is installed at the front of the hull deck, and the scanning component is respectively installed on the left and right sides of the middle of the hull deck. And at the rear, the hull is cruising in the water area to be monitored with the life-saving throwing part and the scanning part. The scanning part is used to scan whether someone falls into the water within the water area to be monitored. Once someone falls into the water, the hull rotates according to the position of the drowning person. Sail to the drowning person, and at the same time, the lifebuoy throwing part throws the lifebuoy to the drowning person, and continuously throws a plurality of lifebuoys for the drowning person to save himself. The person throws the swimming ring to rescue the drowning person.

Description

A kind of intelligent lake surface lifeboat and lifesaving method

technical field

The invention relates to the technical field of lifesaving devices on lake surfaces, in particular to an intelligent lake surface lifesaving boat.

Background technique

There are various safety problems in general artificial lakes, which bring certain hidden dangers to people's life safety. At present, the existing rescue devices need to be operated by specialized technical personnel, or the drowning person cannot be completely located and rescued. And the efficiency is low, causing many drowning people who could have been rescued to lose the best time for rescue. In some open waters in the wild, this safety hazard is more obvious.

Application No. 201710203148.9 Invention patent smart lake lifeboat, when the lifeboat finds the drowning person, it drives to the drowning person through the lifeboat, and when the lifesaving device reaches the drowning person, the drowning person can be rescued by grabbing the handle 4 or opening the airbag 5 , so as to save the rescue time and improve the rescue efficiency of the rescue device. When the lifeboat and the drowning person are far away, it takes a certain amount of time for the lifeboat to sail to the drowning person, which can easily lead to missing the best rescue time; A steering gear 3 is installed at the front and rear ends of the 12, and the human body infrared sensor 2 is connected to the steering gear 3. The steering gear can only rotate horizontally. The installation position of the human body infrared sensor is higher than the horizontal, which is easy to form a detection blind spot.

In view of the above problems, the present invention provides an intelligent lake surface lifeboat to improve the safety of the water area.

SUMMARY OF THE INVENTION

To achieve the above object, the present invention provides the following technical solutions:

An intelligent lake surface lifeboat, comprising a hull, a lifebuoy throwing component and multiple sets of scanning components, characterized in that:

The lifebuoy throwing part is installed on the front part of the hull deck, and the scanning part is installed on the left and right sides and the rear part of the middle part of the hull deck respectively;

The pitch angle of the lifebuoy throwing component relative to the hull deck is adjustable;

The scanning component includes a top plate, a camera head and a scanning sensor group fixedly arranged on the top plate, the top plate can be rotated relative to the hull around the central axis of the top plate, and the top plate can also be adjusted relative to the hull deck. angle setting;

The hull carries a life-saving throwing component and a scanning component for cruising in the water area to be monitored, and the scanning component is used to scan whether someone falls into the water within the water area to be monitored. At the same time, the lifebuoy throwing part throws the lifebuoy to the drowning person, and continuously throws the lifebuoy one by one for the drowning person to save himself.

Further, as preferably, the lifebuoy throwing component includes a mounting plate I, a pitch angle adjustment assembly I, a support plate, a push plate, an air cylinder and a lifebuoy storage bucket, wherein the mounting plate I is arranged on the hull deck, and the mounting plate I is fixed on A front bracket and a rear bracket are connected, the rear end of the support plate is hingedly connected with the rear bracket by hinges, and a pitch angle adjustment assembly is used between the front part of the support plate and the mounting plate I to connect, through The pitch angle adjustment assembly realizes the pitch angle control of the support plate. The two sides of the support plate are fixedly installed with baffles with a lifebuoy storage bucket. The lifebuoy storage bucket is stacked and stored for a plurality of lifebuoys, and the end of the support plate close to the hinge is fixedly installed There is a cylinder, the end of the cylinder rod of the cylinder is connected with a push plate, and the push plate slides along the guide rail on the support plate under the driving of the cylinder, so as to push out the lifebuoy at the bottom of the lifebuoy storage bucket.

Further, preferably, the height of the baffles on both sides of the support plate is slightly larger than the height of one lifebuoy, so as to allow one lifebuoy to be pushed out at a time, guide rails are installed on the left and right sides of the front half of the support plate, and straight lines are installed on the guide rails. The bearing and the push plate are fixedly installed between two linear bearings, the cylinder rod of the cylinder is installed with a connecting plate through threads, the connecting plate and the push plate are fixedly connected by screws, and the cylinder rod of the cylinder telescopically drives the push plate to move along the guide rail.

Further, preferably, the pitch angle adjustment assembly 1 includes a steering gear, two bearings I with a seat, a connecting shaft I, a connecting shaft II and a connecting rod, wherein the front end of the mounting plate I is sequentially installed with a steering gear and two bearings with a seat. Ⅰ. A connecting shaft II is installed between the two seated bearings I. The output shaft of the steering gear is connected with the connecting shaft II through a coupling. The lower surface of the front end of the support plate is provided with two lugs. One end of the connecting rod is hinged with the connecting shaft I, and the other end of the connecting rod is connected with the connecting shaft II through a key to form a radial connection. Driven by the steering gear, the support plate is driven to swing around the rear bracket to realize the pitch control of the support plate.

Further, preferably, the scanning sensor group of the scanning component includes a distance sensor and a human body sensing sensor fixed on the top plate, and the scanning component also includes a rotary drive assembly, a pitch adjustment assembly II and a mounting plate II, the rotary drive assembly Mounted on the mounting plate II, the mounting plate II is mounted on the hull deck, the pitch adjustment assembly II is mounted on the mounting plate of the slewing drive assembly, the slewing drive assembly drives the mounting plate to rotate, and the top plate is installed and fixed on the pitch adjustment component two.

Further, preferably, the slewing drive assembly includes a motor, two bearings with a seat II, a worm, a support seat, a slewing bearing and a mounting plate, and the motor and the two bearings with a seat II are fixedly mounted on the mounting plate II, The motor and the two bearings II with a seat are on a straight line, the worm is installed between the two bearings with a seat II, the output shaft of the motor is connected with one end of the worm through a coupling, and the support seat is fixed on the mounting plate II. The inner ring of the slewing bearing is fixedly connected with the support seat, the outer ring of the slewing bearing is machined with a worm gear, the worm gear meshes with the worm, the mounting plate is installed on the outer ring of the slewing bearing, the rotation of the motor drives the rotation of the worm, and the rotation of the worm Then, the rotation of the outer ring of the slewing bearing is driven, thereby driving the mounting plate fixed on the outer ring of the slewing bearing to rotate.

Further, preferably, the pitch adjustment assembly 2 includes two support rods and one telescopic rod, one end of the two support rods is fixedly mounted on the front end of the mounting plate, one end of the telescopic rod is fixedly mounted on the rear end of the mounting plate, and the two Only the other end of the support rod and the other end of the telescopic rod are hinged with the top plate respectively, and the top plate can be pitched through the telescopic rod.

Further, as preferably, the hull includes a hull, a deck, and a propeller assembly, and two sets of propeller assemblies are installed at the rear of the hull, and the forward and reverse rotation of the propeller impeller realizes the forward or backward of the hull, and the different rotational speeds of the two propeller impellers are realized. The hull turns.

Further, preferably, the propeller assembly includes a motor, a reducer, a sealed waterproof bearing and a propeller impeller, a motor and a reducer are installed at the rear of the hull, and the output shaft of the motor and the input shaft of the reducer are connected by a coupling , The sealed waterproof bearing is installed on the hull, the output shaft of the reducer passes through the sealed waterproof bearing, and the propeller impeller is installed on the output shaft of the reducer.

Further, preferably, the present invention also provides a lifesaving method for a lifeboat, the method is specifically: the hull is cruising in the water area to be monitored, and multiple scanning components installed on the hull deck continuously scan the water area to be monitored, Once the drowning person is found, immediately turn the navigation direction of the lifeboat to the drowning person. At the same time, according to the distance of the drowning person sensed by the sensor, adjust the pitch angle of the support plate of the lifebuoy throwing part, and the cylinder of the lifebuoy throwing part. The rod is extended, and the lifebuoy placed on the support plate is pushed out, and then the cylinder rod of the cylinder is retracted. Reach out again, and throw the lifebuoy to the drowning person again, until all the lifebuoys in the lifebuoy storage bucket are thrown to the drowning person, and then stop throwing.

Compared with the prior art, the beneficial effects of the present invention are:

(1) On the basis of the traditional rescue device, the present invention makes the rescue intelligent, comprehensive and humanized;

(2) The present invention scans in all directions, avoids blind spots, and can detect drowning persons in time;

(3) Once the drowning person is found, immediately adjust the throwing angle of the swimming ring according to the distance of the drowning person, and throw the swimming ring, which reduces the delay time of rescue;

(4) Compared with the traditional way of throwing the swimming ring, the present invention adjusts the throwing angle of the swimming ring according to the distance of the drowning person, and throws the swimming ring, so that the swimming ring can be more guaranteed to be thrown to the side of the drowning person.

Description of drawings

Fig. 1 is the structure schematic diagram of a kind of lifeboat of the present invention;

Fig. 2 is the top view of Fig. 1;

Figure 3 is a schematic diagram of the lifebuoy throwing parts;

Fig. 4 is the top view of Fig. 3;

Fig. 5 is the left side view of Fig. 3;

Fig. 6 is the enlarged view of A place of Fig. 5;

7 is a schematic diagram of a support plate;

Fig. 8 is the top view of Fig. 7;

9 is a schematic diagram of a scanning component;

Fig. 10 is the top view of Fig. 9;

Fig. 11 is the left side view of Fig. 9;

Fig. 12 is A-A sectional view of Fig. 10;

Figure 13 is a schematic diagram of the hull;

Fig. 14 is the top view of Fig. 13;

FIG. 15 is an enlarged view of part B of FIG. 13 .

Reference numerals are explained as follows: 1. Mounting plate I; 2. Bearing with seat I; 3. Connecting rod; 4. Support plate; 5. Guide rail; 6. Front bracket; 7. Linear bearing; 8. Push plate; 9. connecting plate; 10. cylinder; 11. hinge; 12. rear bracket; 13. connecting shaft I; 14. connecting shaft II; 15. steering gear; 16. lifebuoy storage bucket; 18. distance sensor; 19. camera; 20 .Human induction sensor; 21. Mounting plate II; 22. Bearing with seat II; 23. Slewing bearing; 24. Mounting plate; 25. Support rod; 26. Top plate; 27. Worm; 28. Telescopic rod; 29. Motor 30. Support seat; 31. Hull; 32. Deck; 33. Motor; 34. Reducer; 35. Sealed waterproof bearing; 36. Propeller impeller;

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-15, the present invention provides a technical solution: an intelligent lake surface lifeboat, including a hull, a lifebuoy throwing component 41 and a scanning component 42, the lifebuoy throwing component 42 is installed at the front of the hull deck, and the scanning component 42 Install the left and right sides and rear of the middle of the hull deck respectively;

The pitch angle of the lifebuoy throwing component 41 relative to the hull deck is adjustable;

The scanning component 42 includes a top plate, a camera 19 and a scanning sensor group fixedly arranged on the top plate, the top plate 26 can be rotatably arranged around the central axis of the top plate relative to the hull, and the The setting of the hull deck to adjust the pitch angle;

The hull is cruising in the water area to be monitored with the life-saving throwing part and the scanning part. The scanning part is used to scan whether someone falls into the water in the water area to be monitored. At the same time, the lifebuoy throwing component throws the lifebuoy to the drowning person, and continuously throws a plurality of lifebuoys for the drowning person to save themselves.

In this embodiment, as shown in Figures 3-8, the lifebuoy throwing component 41 includes a mounting plate I1, a bearing I2 with a seat, a connecting rod 3, a supporting plate 4, a guide rail 5, a front bracket 6, a linear bearing 7, and a push plate 8. The connecting plate 9, the cylinder 10, the hinge 11, the rear bracket 12, the connecting shaft I13, the connecting shaft II14, the steering gear 15 and the lifebuoy storage bucket 16, wherein the front bracket 6 is fixedly installed in the middle and front part of the mounting plate I1, The rear part is fixedly installed with the rear bracket 12, the rear end of the support plate 4 forms a hinge with the rear bracket 12 through the hinge 11, and the front end of the mounting plate I1 is sequentially installed with the steering gear 15 and two seated bearings I2, the steering gear 15 and the two Only the bearing I2 with a seat is located on the same line, a connecting shaft II14 is installed between the two bearings I2 with a seat, the output shaft of the steering gear 15 is connected with the connecting shaft II14 through a coupling, and there is a two There are two lugs, there is a through hole in the middle of the lugs, the connecting shaft I13 passes through the through hole in the middle of the two lugs, one end of the connecting rod 3 is hinged with the connecting shaft I13, and the other end of the connecting rod 3 and the connecting shaft II14 form a radial direction through a key In this way, the swing of the steering gear can drive the support plate 4 to swing around the rear bracket 12 to realize the pitch control of the support plate 4 .

3 and 6 , guide rails 5 are installed on the left and right sides of the front half of the support plate 4 , linear bearings 7 are installed on the guide rails 5 , and the push plate 8 is fixedly installed between the two linear bearings 7 . A cylinder 10 is installed in the middle of the half, the cylinder rod of the cylinder 10 is mounted with a connecting plate 9 through threads, and the connecting plate 9 and the push plate 8 are fixedly connected by screws.

As a better embodiment, as shown in FIGS. 6-7 , there are baffles on both sides of the support plate 4 , the height of the baffles is slightly larger than the height of a lifebuoy, and the lifebuoy storage bucket 16 is fixedly installed on both sides of the support plate 4 . On the baffle, the lifebuoy storage bucket 16 stores a plurality of lifebuoys. Due to the action of gravity, the lifebuoy at the bottom of the lifebuoy storage bucket 16 always falls on the support plate 4 .

As shown in Figures 9-12, the scanning component includes a distance sensor 18, a camera 19, a human body sensing sensor 20, a mounting plate II 21, a bearing II 22 with a seat, a slewing bearing 23, a mounting plate 24, a support rod 25, a top plate 26, and a worm 27 , the telescopic rod 28, the motor 29 and the support seat 30, wherein the motor 29 and the two seated bearings II22 are fixedly installed on the mounting plate II21, the motor 29 and the two seated bearings II22 are in a straight line, and the worm 27 is installed on the two Only between the bearing II22 with the seat, the output shaft of the motor 29 is connected with one end of the worm 27 through the coupling, the support seat 30 is fixedly installed on the mounting plate II21, and the inner ring of the slewing bearing 23 is fixedly connected with the support seat 30, The outer ring of the slewing bearing 23 is machined with a worm wheel, the worm gear is engaged with the worm 27, the mounting plate 24 is mounted on the outer ring of the slewing bearing 23, the rotation of the motor 29 drives the rotation of the worm 27, and the rotation of the worm 27 drives the slewing bearing. The rotation of the outer ring of the slewing bearing 23 drives the mounting plate 24 fixed on the outer ring of the slewing bearing 23 to rotate.

One end of the two support rods 25 is fixedly installed at the front end of the mounting plate 24, one end of the telescopic rod 28 is fixedly installed at the rear end of the mounting plate 24, and the other ends of the two support rods 25 and the telescopic rod 28 are hinged with the top plate 26, and the telescopic rods 28 are hinged. The extension and retraction of the rod 28 can realize the pitching of the top plate 26 . The distance sensor 18 , the camera 19 , and the human body sensing sensor 20 are all mounted on the top plate 26 .

As shown in Figures 13-15, the hull includes a hull 31, a deck 32, and a propeller assembly. The propeller assembly includes a motor 33 , a reducer 34 , a sealed waterproof bearing 35 and a propeller wheel 36 . A motor 33 and a reducer 34 are installed at the rear of the hull 31, the output shaft of the motor 33 and the input shaft of the reducer 34 are connected by a coupling, a sealed waterproof bearing 35 is installed on the hull 31, and the output shaft of the reducer 34 passes through Over-sealed waterproof bearing 35, the propeller wheel 36 is installed on the output shaft of the reducer 34, and two sets of propeller assemblies are installed at the rear of the hull, the forward and reverse rotation of the propeller wheel The hull steering is realized at different rotational speeds.

In addition, the present invention also provides a lifesaving method for a lifeboat. The hull is cruising in the water area to be monitored, and the three sets of scanning components 42 installed on the hull deck 32 continuously scan the water area to be monitored. , immediately reverse the sailing direction of the lifeboat, and drive towards the drowning person. At the same time, according to the distance of the drowning person sensed by the distance sensor 18, adjust the pitch angle of the support plate 4 of the lifebuoy throwing part 41, and the cylinder of the cylinder 10 of the lifebuoy throwing part 41. The rod is extended, the lifebuoy placed on the support plate 4 is pushed out, and then the cylinder rod of the air cylinder 10 is retracted, and the last lifebuoy in the lifebuoy storage bucket 16 is placed on the support plate 4 due to the action of gravity, and the lifebuoy throws the part 41 The cylinder rod of the air cylinder 10 is extended again, and the lifebuoy is thrown to the drowning person again, until all the lifebuoys in the lifebuoy storage bucket 16 are thrown to the drowning person, and the throwing stops.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. An intelligent lake surface lifeboat comprises a boat body, a lifebuoy throwing component (41) and a plurality of sets of scanning components (42), and is characterized in that,

the life buoy throwing component (41) is arranged at the front part of a ship deck, and the scanning components (42) are respectively arranged at the left side, the right side and the rear part of the middle part of the ship deck;

the pitch angle of the lifebuoy throwing component (41) relative to the deck of the ship body is adjustable;

the scanning component (42) comprises a top plate (26), a camera (19) and a scanning sensor group which are fixedly arranged on the top plate (26), the top plate (26) can rotate around the central axis of the ship body relative to the ship body, and the adjusting pitch angle of the top plate (26) relative to the deck of the ship body is also adjustable;

the ship body comprises a ship shell (31), a deck (32) and propeller assemblies, wherein two sets of propeller assemblies are installed at the tail part of the ship body, forward and reverse rotation of propeller impellers (36) of the propeller assemblies is realized to advance or retreat the ship body, and the ship body is steered by different rotating speeds of the two propeller impellers (36);

the lifebuoy throwing component (41) comprises a first pitching angle adjusting component, the first pitching angle adjusting component comprises a steering engine (15), two bearings with seats I (2), a connecting shaft I (13), a connecting shaft II (14) and a connecting rod (3), wherein the steering engine (15) and the two bearings with seats I (2) are sequentially installed at the front end of an installation plate I (1), the connecting shaft II (14) is installed between the two bearings with seats I (2), an output shaft of the steering engine (15) is connected with the connecting shaft II (14) through a coupler, the connecting shaft I (13) is arranged on the lower surface of the front end of a support plate (4) through two lugs, one end of the connecting rod (3) is hinged with the connecting shaft I (13), the other end of the connecting rod (3) is radially and fixedly connected with the connecting shaft II (14) through a key, and the support plate (4) is driven to swing around a, realizing the pitch control of the support plate (4);

the ship body carries a swimming lifesaving throwing component (41) and a scanning component (42) to cruise in a water area range to be monitored, the scanning component (42) is used for scanning whether a person falls into water in the water area range to be monitored, and once the person falls into water, the ship body immediately turns the navigation direction of the lifeboat and drives to the person falling into water; meanwhile, the pitching angle of the supporting plate (4) of the life buoy throwing component (41) is adjusted according to the distance of the person falling into the water sensed by the distance sensor (18), the life buoys are thrown to the person falling into the water and are continuously thrown one by one for the person falling into the water to save self;

the scanning sensor group of the scanning component comprises a distance sensor (18) and a human body induction sensor (20) which are fixed on a top plate, the scanning component further comprises a rotary driving component, a pitching adjusting component II and a mounting plate II (21), the rotary driving component is mounted on the mounting plate II (21), the mounting plate II (21) is mounted on a ship deck, the pitching adjusting component II is mounted on a mounting plate (24) of the rotary driving component, the rotary driving component drives the mounting plate (24) to rotate, and the top plate (26) is mounted and fixed on the pitching adjusting component II;

the slewing drive assembly comprises a motor (29), two bearings with seats II (22), a worm (27), a support seat (30), a slewing bearing (23) and a mounting plate (24), wherein the motor (29) and the two bearings with seats II (22) are fixedly mounted on the mounting plate II (21), the motor and the two bearings with seats II are arranged on the same straight line, the worm (27) is mounted between the two bearings with seats II (22), an output shaft of the motor (29) is connected with one end of the worm (27) through a coupler, the support seat (30) is fixedly mounted on the mounting plate II (21), an inner ring of the slewing bearing (23) is fixedly connected with the support seat (30), a worm wheel is machined on an outer ring of the slewing bearing (23), the worm wheel is meshed with the worm (27), the mounting plate (24) is mounted on the outer ring of the slewing bearing, and the rotation of the motor drives the worm (27) to rotate, the rotation of the worm (27) drives the rotation of the outer ring of the slewing bearing (23), thereby driving the mounting plate (24) fixed on the outer ring of the slewing bearing (23) to rotate.

2. The intelligent lake surface lifeboat of claim 1, wherein: the life buoy throwing component (41) further comprises a mounting plate I (1), a supporting plate (4), a push plate (8), an air cylinder (10) and a life buoy storage barrel (16), wherein the mounting plate I (1) is arranged on a ship deck, a front support (6) and a rear support (12) are fixedly connected to the mounting plate I (1), the rear end of the supporting plate (4) is hinged to the rear support (12) through a hinge (11), the front portion of the supporting plate (4) is connected with the mounting plate I (1) through a pitching angle adjusting assembly I, and the pitching angle adjusting assembly is used for achieving pitching angle control of the supporting plate (4); the life buoy storage device is characterized in that life buoy storage barrels (16) are fixedly mounted on two sides of the support plate (4) through baffles, a plurality of life buoys are stacked and stored in the life buoy storage barrels (16), an air cylinder (10) is fixedly arranged at one end, close to the hinge, of the support plate, a push plate (8) is connected to the end portion of a cylinder rod of the air cylinder (10), and the push plate (8) slides along a guide rail (5) on the support plate (4) under the driving of the air cylinder so as to push out the bottommost life buoys in the life buoy storage barrels (16).

3. The intelligent lake surface lifeboat of claim 2, wherein: the height of the baffle plates on the two sides of the bearing plate (4) is slightly larger than that of a life buoy, so that the life buoy can be pushed out at every time, the guide rail (5) is installed on the left side and the right side of the front half part of the bearing plate (4), the linear bearings (7) are installed on the guide rail (5), the push plate (8) is fixedly installed between the two linear bearings (7), the cylinder rod of the air cylinder (10) is provided with the connecting disc (9) through threads, the connecting disc (9) is fixedly connected with the push plate (8) through screws, and the cylinder rod of the air cylinder (10) stretches and retracts to drive the push plate (8) to move along the guide.

4. The intelligent lake surface lifeboat of claim 1, wherein: the pitching adjusting assembly II comprises two supporting rods (25) and a telescopic rod (28), one end of each supporting rod (25) is fixedly installed at the front end of the mounting plate (24), one end of the telescopic rod (28) is fixedly installed at the rear end of the mounting plate, the other ends of the two supporting rods and the other end of the telescopic rod are hinged to the top plate (26), and pitching of the top plate (26) is achieved through stretching of the telescopic rod (28).

5. The intelligent lake surface lifeboat of claim 4, wherein: the propeller assembly include motor (33), reduction gear (34), sealed waterproof bearing (35) and propeller impeller (36), motor (33) and reduction gear (34) are installed to the hull afterbody, the output shaft of motor (33) and the input shaft of reduction gear (34) pass through the coupling joint, sealed waterproof bearing (35) are installed on the hull, sealed waterproof bearing (35) are passed to the output shaft of reduction gear (34), propeller impeller (36) are installed on the output shaft of reduction gear (34).

6. A lifesaving method using an intelligent lake surface lifeboat according to any one of claims 1 to 5, wherein said hull is cruising in the area of the water to be monitored, a plurality of scanning units (42) installed on the deck (32) of the hull continuously scanning the water to be monitored, and turning the direction of the lifeboat to drive to the drowner immediately upon finding the drowner; meanwhile, the pitching angle of the supporting plate (4) of the life buoy throwing component (41) is adjusted according to the distance of the person falling into the water sensed by the distance sensor (18), and a cylinder rod of a cylinder (10) of the life buoy throwing component (41) extends out to push out the life buoy falling on the supporting plate (4); the cylinder rod of the cylinder (10) retracts, and the previous life buoy in the life buoy storage barrel (16) falls on the bearing plate (4) due to the action of gravity; the cylinder rod of the cylinder (10) of the life buoy throwing component (41) extends out again to throw the life buoy to the person falling into the water again, and throwing is not stopped until all the life buoys in the life buoy storage barrel (16) are thrown to the person falling into the water.

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