All-weather mother-son type fish gathering and transporting device and method suitable for different water layers

Abstract

The invention provides an all-weather mother-son type fish gathering and transporting device and method suitable for different water layers. The device comprises a mother ship used for carrying the whole device, a bait bin is arranged on the mother ship, the position where the bait bin is located is communicated with a bait pipeline, and the bait pipeline extends to the bottom of the mother ship and is located over a fish cage; the fish cage is installed at the bottom of the mother ship in a lifting mode through multiple sets of second telescopic rods and used for collecting fish. A sliding rail is fixed to one side of an opening in the head of the fish cage, a sub-ship used for being in butt joint with the fish cage is detachably installed on the sliding rail in a matched mode, and the sub-ship is used for transferring collected fishes. According to the device, the fish cages can be placed in different water layers, fish collection of different water layers is achieved, and the fish collection efficiency and types are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of fish passing facilities, in particular to a full-weather sub-mother type fish collecting and transporting device and method suitable for different water layers. BACKGROUND

[0002] While water conservancy projects play a positive role in flood control, power generation and navigation, they block the connectivity of rivers, thereby blocking the upstream and downstream migration of fish (especially migratory fish), causing a sharp decline in fish resources and leading to serious impacts on the health of river ecosystems. As an important part of fish passing facilities, fish collecting and transporting devices can collect fish downstream of the dam and safely transport them to the water area downstream of the dam, restoring the fish migration path cut off by the dam, enabling fish to reach their feeding grounds and / or wintering grounds, and restoring the number of fish populations and genetic diversity in river ecosystems. It is an important ecological measure. However, the existing fish collecting and transporting devices have problems such as fixed depth operation, insufficient all-weather operation capability, single fish induction method, and low fish collecting and transporting efficiency. SUMMARY

[0003] The purpose of the present application is to provide a full-weather sub-mother type fish collecting and transporting device and method suitable for different water layers, which can place fish cages in different water layers to collect fish in different water layers and improve the efficiency and species of fish collection.

[0004] In order to achieve the above technical features, the purpose of the present application is achieved as follows: a full-weather sub-mother type fish collecting and transporting device suitable for different water layers, comprising a mother ship for carrying the entire device, a bait bin is arranged on the mother ship, a bait pipeline is connected to the position of the bait bin, the bait pipeline extends to the bottom of the mother ship and is located directly above the fish cage; the fish cage is installed on the bottom of the mother ship by a plurality of second telescopic rods, and the fish cage is used for collecting fish; a slide rail is fixed on one side of the head opening of the fish cage, and a sub-ship used for docking with the fish cage is detachably installed on the slide rail, and the sub-ship is used for transporting the collected fish.

[0005] Preferably, the mother ship comprises a mother ship body, a first propeller propeller is arranged at the bottom of the mother ship body for providing power; a plurality of fish collecting lamps for attracting fish are fixedly installed on both sides of the top of the mother ship body through supports; a storage battery is arranged on the mother ship body for providing electric energy, the storage battery is connected with a photovoltaic panel assembly for generating electricity, and the bait bin is arranged at the top center of the mother ship body.

[0006] Preferably, the photovoltaic panel assembly comprises a photovoltaic panel column fixed on the top of the mother ship body, a top support is installed on the top of the photovoltaic panel column through a first rotating shaft, first telescopic rods are symmetrically installed at both ends of the top support, and photovoltaic panels are installed on the top of the first telescopic rods.

[0007] Preferably, the bait pipeline comprises a main pipeline communicated with the bottom of the bait bin, a blocking plate is fixedly sleeved at the bottom end of the main pipeline, a plurality of branch pipelines are rotatably connected to the tail end of the main pipeline through a second rotating shaft, and bait cages are rotatably installed at the tail end of the branch pipelines through a third rotating shaft.

[0008] Preferably, the main pipeline adopts a telescopic pipeline and can be telescoped in the vertical direction.

[0009] Preferably, the sub-boat comprises a sub-boat body, the inside of the sub-boat body adopts a cavity structure to form a fish tank, the opening side of the fish tank is provided with double doors which are opened towards the outside, the outside and the bottom of the sub-boat body are provided with a second propeller propeller, the top of the sub-boat body is provided with a first high-definition camera, and one side of the tail of the sub-boat body is provided with a buckle used for being connected with the slide rail.

[0010] Preferably, the main body of the fish cage is provided with a cage door rotatably installed through a fourth rotating shaft, the fish cage is provided with a plurality of side cages, and the inlet part of the side cage is provided with a side cage door rotatably installed through a fifth rotating shaft.

[0011] Preferably, the tail end of the fish cage is provided with a fish expelling fence assembly, the fish expelling fence assembly comprises an electric fish expelling fence, the electric fish expelling fence is slidably installed on a guide rail, and the side of the electric fish expelling fence is provided with a telescopic outer frame which can be telescoped to change the size.

[0012] Preferably, the top of the fish cage is provided with a second high-definition camera.

[0013] Preferably, the sub-boat is at least two.

[0014] The application also provides a method for collecting fish in different water layers, which is realized by using the device for collecting fish in different water layers. S1, during the day, the mother ship is driven by the first propeller propeller to chase the fish group at high speed, meanwhile, the cage doors in all directions of the fish cage are closed, the fish expelling fence assembly is opened, the buckle of the sub-boat is buckled into the slide rail at the front end of the fish cage, and the vertical movement is realized, the sub-boat is drawn to the front end of the fish cage through the slide rail, and the hatch of the fish tank is opened, in the process, the length of the second telescopic rod can be adjusted according to the fish group in the first high-definition camera to realize the collection operation in different water layers. S2, the second high-definition camera is used for monitoring the quantity of fish in the fish cage in real time, when the quantity reaches a certain value, the fish fence assembly is closed, the fish is driven to the fish tank of the sub-ship through the electric fish fence along the guide rail, when the quantity of fish in the fish tank reaches saturation, the hatch is closed, the buckle is opened, the fish is transported to the dam by the lowermost sub-ship, at the same time, the uppermost sub-ship is vertically moved to the front end of the fish cage along the slide rail through the buckle, and the operation is repeated, the second high-definition camera is used for monitoring the quantity of fish in the fish cage in real time, when the quantity reaches a certain value, the fish fence assembly is closed, the fish is driven to the fish tank of the sub-ship through the electric fish fence along the guide rail, when the quantity of fish in the fish tank reaches saturation, the hatch is closed, the buckle is opened, the fish is transported to the dam by the lowermost sub-ship, at the same time, the uppermost sub-ship is vertically moved to the front end of the fish cage along the slide rail through the buckle, and the operation is repeated; S3, when the mother ship stops operating at night or in the evening, the mother ship is static on the water surface, at the same time, the two sides of the fish collecting lamp are opened to attract fish, bait is put into the bait pipe which is extended downwardly and upwardly through the bait bin, until the bait cage is filled with bait, in the process, the cage door in each direction of the fish cage is opened, the fish fence assembly is closed, and the hatch of the fish tank of the sub-ship is opened, so that the fish is driven into the sub-ship for centralized transportation; S4, the bait pipe which is extended downwardly and upwardly of the lower end of the mother ship is extended downwardly until the end opening of the fish cage top is blocked by the blocking plate, the branch pipe enters the inside of the fish cage, the bait cage with bait is dispersed to multiple directions through the second rotating shaft to attract fish; S5, the second high-definition camera is used for monitoring the quantity of fish in the fish cage in real time, when the quantity reaches a certain value, the fish is driven to the fish tank of the sub-ship through the electric fish fence along the guide rail, when the quantity of fish in the fish tank reaches saturation, the hatch is closed, the buckle is opened, the fish is transported to the dam by the lowermost sub-ship, at the same time, the uppermost sub-ship is vertically moved to the front end of the fish cage along the slide rail through the buckle, and the operation is repeated, the second high-definition camera is used for monitoring the quantity of fish in the fish cage in real time, when the quantity reaches a certain value, the fish is driven to the fish tank of the sub-ship through the electric fish fence along the guide rail, when the quantity of fish in the fish tank reaches saturation, the hatch is closed, the buckle is opened, the fish is transported to the dam by the lowermost sub-ship, at the same time, the uppermost sub-ship is vertically moved to the front end of the fish cage along the slide rail through the buckle, and the operation is repeated.

[0015] The application has the following beneficial effects: 1, the fish cage is placed in different water layers through the telescopic device, different fish in different water layers are collected, and the fish collecting efficiency and types are improved.

[0016] 2, the mother-ship and sub-ship are combined to operate, the mother-ship continuously collects fish, and the sub-ship efficiently transports fish, and the fish collecting and transporting efficiency is improved.

[0017] 3、The present application can attract fish through the fish collecting lamp and bait and other measures when the night or mother ship stops operation, greatly improving the efficiency of collecting and transporting fish at night.

[0018] 4、The present application can control the height of the first telescopic rod and the direction of the first rotation by the photovoltaic panel, so as to receive light source from multiple angles and improve the power generation efficiency.

[0019] 5、The main pipe of the bait pipe can realize vertical telescopic expansion, and the branch pipe below can also realize telescopic expansion along the direction of the pipe, and the branch pipe can realize spatial expansion through the second rotation shaft.

[0020] 6、The sub-ship of the present application is mainly used for subsequent alternating transportation of collected fish, thereby improving the transportation efficiency.

[0021] 7、The fish cage of the present application can realize lifting adjustment under the lifting action of the second telescopic rod, thereby realizing fish collecting operation at different depths. BRIEF DESCRIPTION OF DRAWINGS

[0022] The present application will be further described below in combination with the drawings and examples.

[0023] Figure 1 It is a kind of all-weather sub-mother fish collecting and transporting device three-dimensional structure schematic diagram suitable for different water layers; Figure 2 It is a whole schematic diagram of the connection between the sub-ship and the fish cage; Figure 3 It is a whole structure schematic diagram of the mother ship; Figure 4 It is a whole structure schematic diagram of the sub-ship; Figure 5 It is a whole structure schematic diagram of the fish cage; Figure 6 It is a whole structure schematic diagram of the adjustable photovoltaic panel; Figure 7 It is a local structure schematic diagram of the telescopic bait pipe; Figure 8 It is a local schematic diagram of the top of the fish cage; Figure 9 It is a local schematic diagram of the connection section between the fish cage and the fish expelling grid; Figure 10 It is a whole structure schematic diagram of the side net of the fish cage.

[0024] In the figure: mother ship 1, sub-ship 2, fish cage 3; Fish collecting lamp 11, battery 12, bait bin 13, photovoltaic panel 14, first propeller pusher 15, bait pipe 16; Photovoltaic panel 141, first telescopic rod 142, first rotation shaft 143. Main pipe 161, blocking plate 162, second rotating shaft 163, branch pipe 164, third rotating shaft 165, bait cage 166; A first high-definition camera 21, a second propeller 22, a fish box 23, and a buckle 24; Cage door 31, side cage 32, fish driving fence assembly 33, second telescopic rod 34, second high-definition camera 35, slide rail 36; Fourth rotating shaft 311, fifth rotating shaft 321, side cage door 322; Guide rail 331 , outer frame 332 , electric fish driving fence 333 . DETAILED DESCRIPTION

[0025] The present invention will be described in further detail below with reference to the accompanying drawings. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and are not to be construed as limiting the present invention.

[0026] Example 1: See Figures 1-10 The invention discloses an all-weather mother-and-child fish collecting and transporting device that can adapt to different water layers, comprising a mother ship 1 for carrying the entire device, a bait bin 13 provided on the mother ship 1, a bait pipe 16 connected to the location of the bait bin 13, and the bait pipe 16 extending to the bottom of the mother ship 1 and located directly above the fish cage 3; the fish cage 3 is mounted on the bottom of the mother ship 1 by multiple sets of second telescopic rods 34 for lifting and mounting, and the fish cage 3 is used to collect fish; a slide rail 36 is fixed to one side of the head opening of the fish cage 3, and a daughter ship 2 for docking with the fish cage 3 is detachably mounted on the slide rail 36, and the daughter ship 2 is used to transport the collected fish. By adopting the above-mentioned mother-and-child fish collecting and transporting device, the entire device can be moved to an area with dense fish schools with the help of the mother ship 1, and the fish cage 3 can be raised and lowered by the second telescopic rod 34 to adapt to the fish luring operation of fish at different water depths. After the fish luring is completed, the collected fish can be transported by the daughter ship 2, and the fish collecting and luring operations can be repeated multiple times, thereby improving the efficiency and variety of fish collected.

[0027] Further, the mother ship 1 comprises a mother ship body, the bottom of the mother ship body is provided with a first propeller propeller 15 for providing power; the top of the mother ship body is fixedly installed with a plurality of fish attracting lamps 11 for attracting fish on both sides through a support; the mother ship body is provided with a storage battery 12 for providing electric energy, the storage battery 12 is connected with a photovoltaic panel assembly 14 for generating electricity, and a bait bin 13 is arranged at the top center of the mother ship body. Through the above-mentioned mother ship 1, the whole device can be moved to the position where the fish gather according to the position of the fish school, and then the fish attracting operation is realized. When it is necessary to move, the mother ship 1 is moved by the first propeller propeller 15, the mother ship 1 relies on the photovoltaic panel assembly 14 to generate electricity, and the electricity is stored in the storage battery 12 to provide electric energy for the ship body, and the bait bin 13 can be used for bait feeding during subsequent fish attracting operation.

[0028] Further, the photovoltaic panel assembly 14 comprises a photovoltaic panel column fixed on the top of the mother ship body, the top of the photovoltaic panel column is installed with a top support through a first rotating shaft 143, the two ends of the top support are symmetrically installed with first telescopic rods 142 respectively, and the top of the first telescopic rods 142 is installed with a photovoltaic panel 141. The height of the photovoltaic panel 141 can be adjusted by the first telescopic rods 142 and the direction can be adjusted by the first rotating shaft 143, so as to receive light source at multiple angles and improve the power generation efficiency.

[0029] Further, the bait pipe 16 comprises a main pipe 161 communicating with the bottom of the bait bin 13, the bottom end of the main pipe 161 is sleeved and fixed with a blocking plate 162, the tail end of the main pipe 161 is rotatably communicated with a plurality of branch pipes 164 through a second rotating shaft 163, and the tail end of the branch pipe 164 is rotatably installed with a bait cage 166 through a third rotating shaft 165. The main pipe 161 of the bait pipe 16 is a telescopic pipe, which can realize telescopic expansion in the vertical direction, the branch pipe 164 below the main pipe 161 can also realize telescopic expansion in the direction of the pipe, and the branch pipe 164 can realize spatial expansion through the second rotating shaft 163. The bait cage 166 can rotate at multiple angles around the third rotating shaft 165.

[0030] Further, the main pipe 161 is a telescopic pipe and can be telescopic expanded in the vertical direction. Then it is inserted into the fish cage 3 so as to accurately feed the bait and prevent waste.

[0031] Further, the sub-boat 2 comprises a sub-boat body, the inside of the sub-boat body adopts a cavity structure to form a fish tank 23, the opening side of the fish tank 23 is provided with double opening doors which open outwardly, the outer side and the bottom of the sub-boat body are provided with a second propeller propeller 22, the top of the sub-boat body is provided with a first high-definition camera 21, and one side of the tail of the sub-boat body is provided with a buckle 24 which is used for being connected with the slide rail 36. The sub-boat 2 is mainly used for subsequent alternating transportation of the collected fish, so that the transportation efficiency is improved. The sub-boat 2 is driven by the second propeller propeller 22, the top is provided with the first high-definition camera 21 to survey the bottom of the water. The tail end is also provided with the buckle 24 to connect the fish cage 3. The sub-boat 2 is also provided with the fish tank 23 to transport the fish school. The fish tank 23 is a double opening door which opens outwardly.

[0032] Further, the main body of the fish cage 3 is provided with a cage door 31 which is rotatably installed on the top through a fourth rotating shaft 311, the fish cage 3 is provided with a plurality of side cages 32 on the side, the inlet part of the side cage 32 is rotatably provided with a side cage door 322 which is rotatably opened inwardly through a fifth rotating shaft 321. Through the above-mentioned fish cage 3, the lifting adjustment can be realized under the action of the second telescopic rod 34, so that the fish collecting operation at different depths is realized.

[0033] Further, the rear end of the fish cage 3 is provided with a fish driving grid assembly 33, the fish driving grid assembly 33 comprises an electric fish driving grid 333, the electric fish driving grid 333 is slidably installed on the guide rail 331, and the side of the electric fish driving grid 333 is provided with a telescopic outer frame 332 and changes in size through telescopic.

[0034] Further, the top of the fish cage 3 is provided with a second high-definition camera 35. The second high-definition camera 35 is used to obtain the fish school information and judge whether the number of the fish school in the fish cage 3 reaches saturation.

[0035] Further, the sub-boat 2 is at least two. By adopting a plurality of groups of sub-boats 2, the fish transportation operation can be realized in an alternating manner.

[0036] Embodiment 2: Another aspect of the present application provides a kind of all-weather sub-mother formula collection and transport fish method for different water layers, the method uses the all-weather sub-mother formula collection and transport fish device for different water layers to realize, including the following steps: S1, in the daytime, the mother ship 1 is driven by the first propeller 15 to accelerate the pursuit of the fish school, at the same time, the cage door of the fish cage 3 in each direction is closed, the fish expelling fence assembly 33 is opened, the buckle 24 of the sub-ship 2 is clamped into the slide rail 36 at the front end of the fish cage 3, and the vertical movement is realized, the sub-ship 2 is drawn to the front end of the fish cage 3 by the slide rail 36, and the hatch of the fish box 23 is opened, in the process, the fish cage 3 can adjust the length of the second telescopic rod 34 according to the fish school in the first high-definition camera 21 to realize the collection operation in different water layers; S2, the number of fish in the fish cage 3 is monitored by the second high-definition camera 35 in real time, when the number reaches a certain value, the fish fence assembly 33 is closed, the fish school is driven into the fish box 23 of the sub-ship 2 by the electric fish expelling fence 333 along the guide rail 331, when the number of fish in the fish box 23 reaches saturation, the hatch is closed, at this time, the buckle 24 is opened, the fish school is transported to the dam by the lowermost sub-ship 2, at the same time, the uppermost sub-ship 2 is vertically moved to the front end of the fish cage 3 by the buckle 24 along the slide rail 36, and the repeated operation is carried out, the number of fish in the fish cage 3 is monitored by the second high-definition camera 35 in real time, when the number reaches a certain value, the fish fence assembly 33 is closed, the fish school is driven into the fish box 23 of the sub-ship 2 by the electric fish expelling fence 333 along the guide rail 331, when the number of fish in the fish box 23 reaches saturation, the hatch is closed, at this time, the buckle 24 is opened, the fish school is transported to the dam by the lowermost sub-ship 2, at the same time, the uppermost sub-ship 2 is vertically moved to the front end of the fish cage 3 by the buckle 24 along the slide rail 36, and the repeated operation is carried out; S3, at night or when the mother ship stops working, the mother ship is static on the water surface, at the same time, the two sides of the fish collecting lamp 11 are opened to attract the fish school, the bait is put into the bait pipeline 16 which can be extended downward from the bait bin 13, until the bait bin 166 is filled with bait, in the process, the cage door of the fish cage 3 in each direction is opened, and the fish expelling fence assembly 33 is closed, the hatch of the fish box 23 of the sub-ship 2 is opened, so as to drive the fish school into the sub-ship 2 for centralized transfer; S4, the lower end of the bait pipeline 16 of the mother ship 1 is extended downward until the blocking plate 162 blocks the opening at the top end of the fish cage 3, the branch pipeline 164 enters the inside of the fish cage 3, and the second rotating shaft 163 is used to realize the expansion, so as to disperse the bait bin 166 with bait to multiple directions to attract the fish school; S5, the second high-definition camera 35 real-time monitoring of the number of fish in the cage 3, when the number reaches a certain, through the electric fish fence 333 along the guide rail 331 fish to the fish tank 23 of the sub-ship 2, when the fish tank 23 fish population reaches saturation, close the hatch, at this time open the buckle 24, by the lowermost sub-ship 2 fish to the dam, at the same time, the uppermost sub-ship 2 through the buckle 24 along the slide rail 36, vertical movement to the front end of the cage 3, repeat the operation, by the second high-definition camera 35 real-time monitoring of the number of fish in the cage 3, when the number reaches a certain, close the fish fence 33, through the electric fish fence 333 along the guide rail 331 fish to the fish tank 23 of the sub-ship 2, when the fish tank 23 fish population reaches saturation, close the hatch, at this time open the buckle 24, by the lowermost sub-ship 2 fish to the dam, at the same time, the uppermost sub-ship 2 through the buckle 24 along the slide rail 36, vertical movement to the front end of the cage 3, repeat the operation.

[0037] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and deformations can be made to these embodiments without departing from the principles and purposes of the present application, the scope of the present application is defined by the claims and their equivalents.

Claims

1. An all-weather sub-mother fish gathering device suitable for different water layers, characterized in that, The application relates to a fishing device, which comprises a mother ship (1) for carrying the whole device, a bait bin (13) arranged on the mother ship (1), a bait pipeline (16) in communication with the bait bin (13), the bait pipeline (16) extending to the bottom of the mother ship (1) and being located directly above a fish cage (3), the fish cage (3) being installed on the bottom of the mother ship (1) through a plurality of groups of second telescopic rods (34) and being used for collecting fish, a sliding rail (36) being fixed to the opening side of the head of the fish cage (3), and a sub-ship (2) being detachably and cooperatively installed on the sliding rail (36) and being used for transferring the collected fish.

2. The all-weather sub-mother bussing device of claim 1, wherein: The mother ship (1) comprises a mother ship body, the bottom of the mother ship body is provided with a first propeller propeller (15) for providing power, the top of the mother ship body is provided with a plurality of fish collecting lamps (11) for attracting fish through supports, a storage battery (12) for providing electric energy is arranged on the mother ship body, the storage battery (12) is connected with a photovoltaic panel assembly (14) for generating electricity, and the bait bin (13) is arranged at the top center of the mother ship body.

3. The all-weather sub-mother barge fish gathering device suitable for different water layers according to claim 2, characterized in that: The photovoltaic panel assembly (14) comprises a photovoltaic panel column fixed to the top of the mother ship body, a top support is installed at the top of the photovoltaic panel column through a first rotating shaft (143), first telescopic rods (142) are symmetrically installed at the two ends of the top support, and photovoltaic panels (141) are installed at the top of the first telescopic rods (142).

4. The all-weather sub-mother barge fish gathering device suitable for different water layers according to claim 2, characterized in that: The bait pipeline (16) comprises a main pipeline (161) in communication with the bottom of the bait bin (13), a blocking plate (162) is fixedly sleeved at the bottom end of the main pipeline (161), a plurality of branch pipelines (164) are rotatably connected with the tail end of the main pipeline (161) through a second rotating shaft (163), and bait cages (166) are rotatably installed at the tail end of the branch pipelines (164).

5. The all-weather sub-mother barge fish gathering device suitable for different water layers according to claim 4, characterized in that: The main pipeline (161) is a telescopic pipeline and can be telescoped in the vertical direction.

6. The all-weather sub-mother barge fish gathering device suitable for different water layers according to claim 1, characterized in that: The sub-ship (2) comprises a sub-ship body, the inside of the sub-ship body is a cavity structure to form a fish tank (23), double doors opening outward are arranged at the opening side of the fish tank (23), a second propeller propeller (22) is arranged at the outside and the bottom of the sub-ship body, a first high-definition camera (21) is installed at the top of the sub-ship body, and a buckle (24) for being connected with the sliding rail (36) is arranged at one side of the tail of the sub-ship body.

7. The all-weather sub-mother barge fish gathering device suitable for different water layers according to claim 1, characterized in that: A cage door (31) is rotatably installed at the top of the main body of the fish cage (3) through a fourth rotating shaft (311), the fish cage (3) is provided with a plurality of side cages (32) at the side, and side cage doors (322) rotatably opening inward are rotatably installed at the inlet positions of the side cages (32) through fifth rotating shafts (321).

8. The all-weather sub-mother barge fish gathering device suitable for different water layers according to claim 7, characterized in that: The tail end of the fish cage (3) is provided with a fish expelling grid assembly (33), the fish expelling grid assembly (33) comprises an electric fish expelling grid (333), the electric fish expelling grid (333) is slidably installed on a guide rail (331), the side of the electric fish expelling grid (333) is provided with an extensible outer frame (332) and can be changed in size through extension.

9. The all-weather sub-mother barge fish gathering device suitable for different water layers according to claim 7, characterized in that: The top of the fish cage (3) is provided with a second high-definition camera (35); The sub-boat (2) has at least two.

10. A method of all-weather sub-mother gathering fish suitable for different water layers, characterized in that, The method is realized by using the all-weather mother-son type fish collecting device suitable for different water layers according to any one of claims 1-9, comprising the following steps: S1, during the day, the mother ship (1) is driven by the first propeller (15) to accelerate the pursuit of the fish school, at the same time, the cage door of the fish cage (3) in each direction is closed, the fish expelling grid assembly (33) is opened, the buckle (24) of the sub-boat (2) is clamped into the slide rail (36) at the front end of the fish cage (3), and the vertical movement is realized, the sub-boat (2) is drawn to the front end of the fish cage (3) by the slide rail (36), and the hatch of the fish box (23) is opened, in the process, the length of the second telescopic rod (34) can be adjusted according to the fish school situation shot by the first high-definition camera (21) to realize the collecting operation in different water layers; S2, the number of fish in the fish cage (3) is monitored in real time by the second high-definition camera (35), when the number reaches a certain value, the fish grid assembly (33) is closed, the fish school is driven into the fish box (23) of the sub-boat (2) through the electric fish expelling grid (333) along the guide rail (331), when the number of fish in the fish box (23) reaches saturation, the hatch is closed, at this time, the buckle (24) is opened, the fish school is transported to the dam by the lowermost sub-boat (2), at the same time, the uppermost sub-boat (2) moves vertically to the front end of the fish cage (3) through the buckle (24) along the slide rail (36), and the repeated operation is carried out, the number of fish in the fish cage (3) is monitored in real time by the second high-definition camera (35), when the number reaches a certain value, the fish grid assembly (33) is closed, the fish school is driven into the fish box (23) of the sub-boat (2) through the electric fish expelling grid (333) along the guide rail (331), when the number of fish in the fish box (23) reaches saturation, the hatch is closed, at this time, the buckle (24) is opened, the fish school is transported to the dam by the lowermost sub-boat (2), at the same time, the uppermost sub-boat (2) moves vertically to the front end of the fish cage (3) through the buckle (24) along the slide rail (36), and the repeated operation is carried out; S3, at night or when the mother ship stops operating, the mother ship is stationary on the water surface, at the same time, the two sides of the fish collecting lamp (11) are opened to attract the fish school, bait is put into the bait pipe (16) which can be extended downward through the bait bin (13), until the bait cage (166) is filled with bait, in the process, the cage door of the fish cage (3) in each direction is opened, and the fish expelling grid assembly (33) is closed, the hatch of the fish box (23) of the sub-boat (2) is opened, so that the fish school is driven into the sub-boat (2) for centralized transportation; S4, the lower end of the bait pipe (16) of the mother ship (1) is extended downward until the sealing plate (162) blocks the opening at the top end of the fish cage (3), the branch pipe (164) enters the inside of the fish cage (3), and the bait cage (166) with bait is dispersed to multiple directions through the second rotating shaft (163) to attract the fish school. S5, the second high-definition camera (35) real-time monitoring of the number of fish in the cage (3), when the number reaches a certain time, through the electric fish fence (333) along the guide rail (331) to the fish in the fish tank (23) of the sub-ship (2) is driven to the fish tank (23) when the number of fish reaches saturation, close the hatch, at this time open the buckle (24), by the lowermost sub-ship (2) to the fish to the dam, at the same time, the uppermost sub-ship (2) through the buckle (24) along the slide rail (36) vertically to the front end of the cage (3), repeat the operation, the second high-definition camera (35) real-time monitoring of the number of fish in the cage (3), when the number reaches a certain time, close the fish fence (33), through the electric fish fence (333) along the guide rail (331) to the fish in the fish tank (23) of the sub-ship (2) is driven to the fish tank (23) when the number of fish reaches saturation, close the hatch, at this time open the buckle (24), by the lowermost sub-ship (2) to the fish to the dam, at the same time, the uppermost sub-ship (2) through the buckle (24) along the slide rail (36) vertically to the front end of the cage (3), repeat the operation.

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