阅读说明：本技术 休闲渔业人工鱼礁区建网运动场 (Sports ground for building net in artificial fish reef area for leisure and fishery ) 是由 朱文斌 刘文博 于 2020-11-24 设计创作，主要内容包括：本发明公开了一种休闲渔业人工鱼礁区建网运动场,旨在提供一种能够在不影响人工建网养殖的情况下,将人工建网养殖与休闲活动有机结合起来,以利于发展渔区经济的休闲渔业人工鱼礁区建网运动场。它包括外圈围网,外圈围网内的区域构成人工养殖场；外诱导结构,外诱导结构包括位于外圈围网外侧的外网墙,外网墙与外圈围网之间的区域构成外诱导通道；内圈围网,内圈围网位于外圈围网内,内圈围网内的区域构成垂钓场；内诱导结构,内诱导结构包括位于内圈围网外侧的内网墙,内网墙与内圈围网之间的区域构成内诱导通道；海上垂钓平台,海上垂钓平台包括位于内圈围网中部的浮台。(The invention discloses a net building playground in a leisure fishery artificial fish reef area, and aims to provide a net building playground in a leisure fishery artificial fish reef area, which can organically combine artificial net building culture and leisure activities under the condition of not influencing artificial net building culture so as to be beneficial to developing economy of a fishing area. The artificial breeding farm comprises an outer ring purse net, wherein the area in the outer ring purse net forms an artificial breeding farm; the outer induction structure comprises an outer net wall positioned outside the outer ring purse net, and an outer induction channel is formed in a region between the outer net wall and the outer ring purse net; the inner ring purse seine is positioned in the outer ring purse seine, and the area in the inner ring purse seine forms a fishing ground; the inner induction structure comprises an inner net wall positioned on the outer side of the inner ring purse seine, and an inner induction channel is formed in an area between the inner net wall and the inner ring purse seine; the offshore fishing platform comprises a floating platform positioned in the middle of an inner ring purse seine.)

1. The utility model provides a net stadium is built in artificial fish reef area of leisure fishery, characterized by includes:

the area in the outer ring purse net forms an artificial farm;

the outer induction structure comprises an outer net wall positioned outside the outer ring purse net, one side of the outer net wall is connected with the outer ring purse net, an outer induction channel is formed in a region between the outer net wall and the outer ring purse net, one end of the outer induction channel is communicated with a sea area outside the outer ring purse net, and the other end of the outer induction channel is provided with an outer induction inlet communicated with an artificial farm;

the inner ring purse seine is positioned in the outer ring purse seine, and the area in the inner ring purse seine forms a fishing ground;

the inner induction structure comprises an inner net wall positioned on the outer side of the inner ring purse net, one side of the inner net wall is connected with the inner ring purse net, an inner induction channel is formed in the area between the inner net wall and the inner ring purse net, one end of the inner induction channel is communicated with the artificial farm, and the other end of the inner induction channel is provided with an inner induction inlet communicated with the fishing farm;

the offshore fishing platform comprises a floating platform positioned in the middle of an inner ring purse seine.

2. The leisure fishery artificial fish reef area networking stadium of claim 1, further comprising an induction split type feeding device, the induction split type feeding device comprising:

the feeding hopper is positioned above the water surface of the fishing ground;

the separation pipeline is positioned in the fishing ground, one part of the inner cavity of the separation pipeline is positioned above the water surface, the other part of the inner cavity of the separation pipeline is positioned below the water surface, the port of the first end of the separation pipeline faces the feeding hopper, the first end of the separation pipeline is close to the feeding hopper, and the port of the first end of the separation pipeline is provided with a separation net piece;

the first end of the connecting pipeline is connected with the second end of the separating pipeline, the second end of the connecting pipeline penetrates through the inner ring purse net and is positioned between the outer ring purse net and the inner ring purse net, and the connecting pipeline is also provided with a water pump which is positioned between the outer ring purse net and the inner ring purse net; and

the self-adaptive separation device comprises a separation cylinder, a rotary valve plate, a one-way valve and a blocking screen plate, wherein the one-way valve and the blocking screen plate are arranged in a connecting pipeline; the one-way valve is positioned between the upper port of the separating cylinder and the first end of the connecting pipeline, the blocking screen plate is obliquely distributed, the upper part of the blocking screen plate is inclined towards the first end of the connecting pipeline, and the upper port of the separating cylinder is positioned below the blocking screen plate; the water pump is positioned between the second end of the connecting pipeline and the blocking screen plate;

when the water pump works, the water pump drives water in the connecting pipeline to flow from the first end to the second end of the connecting pipeline, the one-way valve is opened in the process, and the rotary valve plate rotates upwards and abuts against the lower end face of the separating cylinder so as to seal and cover the lower port of the separating cylinder;

when the water pump stops working, the one-way valve is closed, and the rotary valve plate rotates downwards under the action of the dead weight and abuts against the valve plate limiting block, so that the lower port of the separating cylinder is opened.

3. The leisure fishery artificial fish reef area networking playground according to claim 2, wherein an electromagnetic switch valve is arranged at the bottom of the feeding hopper, and when the electromagnetic switch valve is opened, the water pump is in a working state.

4. The leisure fishery artificial fish reef area networking sports field according to claim 2 or 3, wherein the port of the second end of the connecting pipe is arranged upward.

5. The leisure fishery artificial fish reef area networking sports field according to claim 2 or 3, wherein the distance between the first end of the separation pipeline and the feeding hopper is less than 2 meters.

6. The leisure fishery artificial fish reef area networking sports field according to claim 2 or 3, wherein the connecting pipe is located below the water surface.

7. The leisure fishery artificial fish reef area networking stadium of claim 2 or 3, wherein the induced split type feeding device further comprises a vertical diversion baffle, the vertical diversion baffle is located between the second end of the connecting pipeline and the inner ring purse net, and the vertical diversion baffle is close to the second end of the connecting pipeline.

8. The leisure fishery artificial fish reef area networking sports field according to claim 1, 2 or 3, wherein the outer inducing structures are a plurality of and are evenly distributed around the circumference of the outer ring purse seine.

9. The leisure fishery artificial fish reef area networking sports field according to claim 1, 2 or 3, wherein the inner ring purse net comprises an annular side wall net plate and a bottom net plate for sealing a lower port of the side wall net plate.

Technical Field

The invention relates to a networking playground, in particular to a networking playground in an artificial fish reef area in the leisure fishery industry.

Background

The artificial fish reef is a structure artificially arranged in the sea, and aims to improve the ecological environment of the sea area, build a good environment for the inhabitation of marine organisms, provide places for the propagation, growth, bait making and enemy sheltering of fishes and the like, and achieve the purposes of protecting, proliferating and improving the harvest yield. The net building in the artificial fish reef area is realized by adopting a purse net (the net building structure is generally called as a net building playground), annular net walls are arranged in the artificial fish reef area in the sea to play a role in gathering and temporarily breeding fishes, the side-stretched headrope and the headrope are generally fixed in a certain place by anchors, stones and the like, and a net sheet is hung on the headrope to keep the fixing force of the anchors, the stones and the like, the buoyancy of a floater, the settlement force of a net and a sinker and the like balanced so as to keep the required shape.

The leisure fishery is a novel fishery which organically combines leisure entertainment such as leisure activities, aquarium appreciation and the like with modern fishery modes, realizes the combination configuration of a first industry and a third industry, improves the income of fishermen, and develops the economy of fishing areas as the final aim; however, no better mode is available for combining marine artificial net building cultivation with leisure and entertainment activities so as to improve the income of fishermen and develop the economy of fishing areas.

Disclosure of Invention

The invention aims to provide a net-building playground in an artificial fish reef area of leisure fishery, which can organically combine artificial net-building cultivation with leisure activities under the condition of not influencing artificial net-building cultivation so as to be beneficial to developing economy of a fishing area.

The technical scheme of the invention is as follows:

the utility model provides a net stadium is built in artificial fish reef area of leisure fishery, characterized by includes:

the area in the outer ring purse net forms an artificial farm;

the outer induction structure comprises an outer net wall positioned outside the outer ring purse net, one side of the outer net wall is connected with the outer ring purse net, an outer induction channel is formed in a region between the outer net wall and the outer ring purse net, one end of the outer induction channel is communicated with a sea area outside the outer ring purse net, and the other end of the outer induction channel is provided with an outer induction inlet communicated with an artificial farm;

the inner ring purse seine is positioned in the outer ring purse seine, and the area in the inner ring purse seine forms a fishing ground;

the inner induction structure comprises an inner net wall positioned on the outer side of the inner ring purse net, one side of the inner net wall is connected with the inner ring purse net, an inner induction channel is formed in the area between the inner net wall and the inner ring purse net, one end of the inner induction channel is communicated with the artificial farm, and the other end of the inner induction channel is provided with an inner induction inlet communicated with the fishing farm;

the offshore fishing platform comprises a floating platform positioned in the middle of an inner ring purse seine.

According to the scheme, the net playground is built in the leisure fishery artificial fish reef area, and an artificial farm is formed in an outer ring purse net through building the outer ring purse net; meanwhile, an offshore fishing platform is formed by building the inner ring purse net in the outer ring purse net and building the floating platform in the middle of the inner ring purse net, so that the area in the inner ring purse net forms a fishing field, and people can fish the fishing field on the offshore fishing platform; therefore, the artificial net-building cultivation and the leisure activities are organically combined under the condition of not influencing the artificial net-building cultivation, so that the development of economy of fishing areas is facilitated.

On the other hand, the construction of the outer induction channel is beneficial to inducing the fish in the sea area outside the outer ring purse net to enter the outer ring purse net through the outer induction channel; the building of the inner induction channel can lead the fish in the outer ring purse net to enter the fishing field for fishing.

Preferably, the induction separation type feeding device is further included, and comprises:

the feeding hopper is positioned above the water surface of the fishing ground;

the separation pipeline is positioned in the fishing ground, one part of the inner cavity of the separation pipeline is positioned above the water surface, the other part of the inner cavity of the separation pipeline is positioned below the water surface, the port of the first end of the separation pipeline faces the feeding hopper, the first end of the separation pipeline is close to the feeding hopper, and the port of the first end of the separation pipeline is provided with a separation net piece;

the first end of the connecting pipeline is connected with the second end of the separating pipeline, the second end of the connecting pipeline penetrates through the inner ring purse net and is positioned between the outer ring purse net and the inner ring purse net, and the connecting pipeline is also provided with a water pump which is positioned between the outer ring purse net and the inner ring purse net; and

the self-adaptive separation device comprises a separation cylinder, a rotary valve plate, a one-way valve and a blocking screen plate, wherein the one-way valve and the blocking screen plate are arranged in a connecting pipeline; the one-way valve is positioned between the upper port of the separating cylinder and the first end of the connecting pipeline, the blocking screen plate is obliquely distributed, the upper part of the blocking screen plate is inclined towards the first end of the connecting pipeline, and the upper port of the separating cylinder is positioned below the blocking screen plate; the water pump is positioned between the second end of the connecting pipeline and the blocking screen plate;

when the water pump works, the water pump drives water in the connecting pipeline to flow from the first end to the second end of the connecting pipeline, the one-way valve is opened in the process, and the rotary valve plate rotates upwards and abuts against the lower end face of the separating cylinder so as to seal and cover the lower port of the separating cylinder;

when the water pump stops working, the one-way valve is closed, and the rotary valve plate rotates downwards under the action of the dead weight and abuts against the valve plate limiting block, so that the lower port of the separating cylinder is opened.

In the actual use process of building the net playground in the artificial fish reef area of the leisure fishery, small fish can enter the fishing field, so that the fishing experience can be influenced, and the fishing interest of people can not be improved; and the small fish is fished, which also affects the cultivation and growth of the fish in the artificial farm. On the other hand, the artificial farm between the outer ring purse net and the inner ring purse net needs to throw artificial baits regularly to provide sufficient baits for fishes in the artificial farm, and in order to reduce the difficulty of the fishing farm in the fishing farm, the artificial baits are generally not thrown or a small amount of the artificial baits are thrown so as to avoid the problems of no hook biting and difficult fishing farm after the fishes in the fishing farm are fed with food; however, in the actual process, the problems that visitors who are leisure activities often feed baits into the fishing field, so that the fishing field is not caught by hooks and is difficult to catch are caused; in order to solve the problem, the scheme is provided with an induction separation type feeding device so as to solve the problem, and particularly,

the water pump is started, and then bait is fed in the fishing ground through the feeding hopper (the bait is thrown into water and floats on the water surface firstly, and the bait absorbs water and sinks after a period of time). During the working process of the water pump, water flow is formed in the connecting pipeline, and flows into an artificial culture field between the outer ring purse net and the inner ring purse net from a fishing field through the separation pipeline and the connecting pipeline, so that bait in the fishing field flows into the artificial culture field between the outer ring purse net and the inner ring purse net along with the water flow through the separation pipeline and the connecting pipeline, sufficient bait is provided for fish in the artificial culture field, meanwhile, tourists who are idle move feed the bait into the fishing field, most of the bait flows into the artificial culture field between the outer ring purse net and the inner ring purse net along with the water flow through the separation pipeline and the connecting pipeline; thereby avoiding the problems of no biting and difficult fishing ground after the fish in the fishing ground eats; more importantly, in the process, fishes (including small fishes) in the fishing field are attracted by baits and gathered in a water area below the feeding hopper, and the small fishes enter the separation pipeline (large fishes cannot enter) through meshes of the separation net sheet along with the baits flowing into the separation pipeline; then, the small fish enters the connecting pipeline under the action of bait and water flow and passes through the one-way valve, and then the small fish is blocked by the blocking screen plate and is retained between the blocking screen plate and the one-way valve; after the water pump is closed, the one-way valve is closed, the rotary valve plate rotates downwards under the action of dead weight and abuts against the valve plate limiting block, so that the lower port of the separating cylinder is opened, and at the moment, small fishes enter the artificial culture field between the outer ring purse net and the inner ring purse net through the lower port of the separating cylinder.

Preferably, the bottom of the feeding hopper is provided with an electromagnetic switch valve, and when the electromagnetic switch valve is opened, the water pump is in a working state.

Preferably, the port connecting the second ends of the pipes is disposed facing upward.

Preferably, the separation between the first end of the separation conduit and the feed hopper is less than 2 metres.

Preferably, the connecting conduit is located below the water surface.

Preferably, the induced separation type feeding device further comprises a vertical flow guide baffle, the vertical flow guide baffle is located between the second end of the connecting pipeline and the inner ring purse net, and the vertical flow guide baffle is close to the second end of the connecting pipeline.

Preferably, the outer induction structure is a plurality of structures, and each outer induction structure is uniformly distributed around the circumferential direction of the outer ring purse net.

Preferably, the number of the inner inducing structures is multiple, and each inner inducing structure is uniformly distributed around the circumferential direction of the inner ring purse net.

Preferably, the inner ring purse seine comprises an annular side wall screen plate and a bottom screen plate for sealing and covering the lower port of the side wall screen plate.

Preferably, the floating platform comprises a plurality of buoys floating on the water surface and a flat plate laid on each of the buoys.

Preferably, the lower edge of the outer ring purse net is tightly attached to the seabed through the sinker.

The invention has the beneficial effects that: can organically combine the artificial net-building cultivation with the leisure activities under the condition of not influencing the artificial net-building cultivation, so as to be beneficial to developing the economy of the fishing area.

Drawings

Fig. 1 is a top view of the net-building playground in the leisure fishery artificial fish reef area of the invention.

Fig. 2 is a partial side view of the net-building playground in the leisure fishery artificial fish reef area of the invention.

Fig. 3 is an enlarged view of a portion a of fig. 2, in which the water pump is in a stop state.

FIG. 4 is a partial structural diagram of the induction separation type feeding device when the water pump for the playground in the leisure fishery artificial fish reef area is in operation.

In the figure:

an outer ring purse net 1;

an inner ring purse seine 2, a side wall screen plate 2.1 and a bottom screen plate 2.2;

the device comprises an offshore fishing platform 3, a floating platform 3.1 and a floating frame channel 3.2;

the device comprises an induction separation type feeding device 4, a feeding hopper 4.1, a separation pipeline 4.2, a connecting pipeline 4.3, a water pump 4.4, a vertical flow guide baffle 4.5, a separation net piece 4.6, a one-way valve 4.7, a blocking net plate 4.8, a separation cylinder 4.9, a rotary valve plate 4.10 and a valve plate limiting block 4.11;

an inner induction structure 5, an inner net wall 5.1, an inner induction channel 5.2 and an inner induction inlet 5.3;

an outer induction structure 6, an outer net wall 6.1, an outer induction channel 6.2 and an outer induction inlet 6.3;

an artificial farm 7;

a fishing ground 8.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention are clearly explained and illustrated below with reference to the accompanying drawings, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present scheme, and are not construed as limiting the scheme of the present invention.

These and other aspects of embodiments of the invention will be apparent with reference to the following description and attached drawings. In the description and drawings, particular embodiments of the invention have been disclosed in detail as being indicative of some of the ways in which the principles of the embodiments of the invention may be practiced, but it is understood that the scope of the embodiments of the invention is not limited thereby. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.

In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., and "several" means one or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The first embodiment is as follows: as shown in fig. 1 and 2, the net building playground in the artificial fish reef area for the leisure fishery comprises an outer ring purse net 1, an outer induction structure 6, an inner ring purse net 2, an inner induction structure 5 and an offshore fishing platform 3.

The area inside the outer perimeter net 1 constitutes an artificial farm 7, in this embodiment, the lower edge of the outer perimeter net is closely attached to the sea bottom through a sinker, and the upper edge of the outer perimeter net floats on the sea surface through a buoyancy device (such as a floating block, a floating ring, etc.).

The outer inducing structure 6 comprises an outer web wall 6.1 located outside the outer ring seine. One side of the outer net wall is connected with the outer ring purse net, and an outer induction channel 6.2 is formed in the area between the outer net wall and the outer ring purse net. One end of the outer induction channel is communicated with the sea area outside the outer ring purse net, and the other end of the outer induction channel is provided with an outer induction inlet 6.3 communicated with the artificial farm. In this embodiment, the upper edge of the outer net wall floats on the sea surface through a buoyancy device (such as a floating block, a floating ring, etc.), the lower edge of the outer net wall is closely attached to the sea bottom through a sinker, the outer net wall is arc-shaped, and the outer net wall extends along the outer ring fence.

In this embodiment, the number of the outer inducing structures is 4, and each of the outer inducing structures is uniformly distributed around the circumference of the outer ring seine, but the number of the outer inducing structures may also be 5, or 6, or 8 or more.

The inner ring seine 2 is located within the outer ring seine, the area within the inner ring seine constituting a fishing ground 8. In this embodiment, the inner ring seine includes annular side wall otter board 2.1 and seals the bottom otter board 2.2 that covers the lower port of side wall otter board. Therefore, the bait fed into the fishing ground can pass through the bottom screen plate after sinking.

The inner induction structure 5 comprises an inner net wall 5.1 located outside the inner ring seine. One side of the inner net wall is connected with the inner ring purse seine, and an inner induction channel 5.2 is formed in the area between the inner net wall and the inner ring purse seine. One end of the inner induction channel is communicated with the artificial farm, and the other end of the inner induction channel is provided with an inner induction inlet 5.3 communicated with the fishing ground. In this embodiment, the upper edge of the inner net wall floats on the sea surface through a buoyancy device (such as a floating block, a floating ring and the like), and the lower edge of the inner net wall is connected with the bottom net plate through a net sheet; the inner net wall is arc-shaped and extends along the inner ring purse seine.

In this embodiment, the number of the inner inducing structures is 3, and each inner inducing structure is uniformly distributed around the circumference of the inner ring purse net. Of course the internal inducing structures can also be 5 or 6 or 8 more.

The offshore fishing platform 3 comprises a floating platform 3.1 positioned in the middle of the inner ring purse net. The floating platform comprises a plurality of floating bowls floating on the water surface and flat plates paved on the floating bowls. In this embodiment, the platform of fishing on sea still includes the floating frame passageway 3.2 that floats on the surface of water, and the one end of floating frame passageway links to each other with the floating platform, and the other end of floating frame passageway passes the artificial cultivation field between fishing ground and inner circle purse seine and the outer lane purse seine in proper order to be located the outside of outer lane purse seine. The floating frame channel is used for people to walk.

According to the method, the artificial fish reef area for leisure fishery is used for constructing the net playground, and an artificial farm is formed in the outer ring purse net by constructing the outer ring purse net; meanwhile, an offshore fishing platform is formed by building the inner ring purse net in the outer ring purse net and building the floating platform in the middle of the inner ring purse net, so that the area in the inner ring purse net forms a fishing field, and people can fish the fishing field on the offshore fishing platform; therefore, the artificial net-building cultivation and the leisure activities are organically combined under the condition of not influencing the artificial net-building cultivation, so that the development of economy of fishing areas is facilitated.

On the other hand, the construction of the outer induction channel is beneficial to inducing the fish in the sea area outside the outer ring purse net to enter the outer ring purse net through the outer induction channel; the building of the inner induction channel can lead the fish in the outer ring purse net to enter the fishing field for fishing.

In a second embodiment, the remaining structure of the present embodiment refers to the first embodiment, and the difference therebetween is that:

as shown in fig. 1, 2 and 3, the net-building playground in the artificial fish reef area of the fishery industry also comprises an induction separation type feeding device 4. In this embodiment, the number of the induction separation type feeding devices is multiple, for example, 3 or 4 or more, and each induction separation type feeding device is sequentially and uniformly distributed around the circumference of the inner ring purse net.

The induction separation type feeding device comprises a feeding hopper 4.1, a separation pipeline 4.2, a connecting pipeline 4.3 and a self-adaptive separation device.

The feeding hopper is located above the water surface of the fishing ground, and in the embodiment, a switch valve is arranged at the bottom of the feeding hopper, and specifically, the switch valve is an electromagnetic switch valve.

The separation pipe 4.2 is located in the fishing ground. One part of the inner cavity of the separation pipeline is positioned above the water surface, and the other part of the inner cavity of the separation pipeline is positioned below the water surface. The first end of the separation conduit is ported towards the feed hopper. The first end of the separation pipeline is close to the feeding hopper, and in this embodiment, the distance between the first end of the separation pipeline and the feeding hopper is less than 2 meters. The port of the first end of the separation pipeline is provided with a separation net 4.6. The small fish can pass through the meshes of the separation net sheet.

The first end of the connecting pipeline is connected with the second end of the separating pipeline, and the second end of the connecting pipeline penetrates through the inner ring purse net and is located between the outer ring purse net and the inner ring purse net. In this embodiment, the connecting pipe is located the surface of water below, and the port of the second end of connecting pipe sets up upwards. And a water pump 4.4 is also arranged on the connecting pipeline, and the water pump is positioned between the outer ring purse net and the inner ring purse net.

The self-adaptive separation device comprises a separation cylinder 4.9, a rotary valve plate 4.10, a one-way valve 4.7 and a blocking screen plate 4.8 which are arranged in a connecting pipeline. The separating cylinder is positioned between the outer ring purse seine and the inner ring purse seine and is positioned below the connecting pipeline. The axes of the separating cylinders are distributed up and down. The upper port of the separating cylinder is communicated with the inner cavity of the connecting pipeline. The rotary valve plate is rotatably arranged at the lower end of the separating cylinder. A valve plate limiting block 4.11 is also arranged below the rotary valve plate. The valve block limiting block is fixed on the outer wall of the separating cylinder through a connecting piece. The one-way valve is located between the upper port of the separation barrel and the first end of the connecting pipe. The blocking screen plate is obliquely distributed, and the upper part of the blocking screen plate is inclined towards the first end of the connecting pipeline. The upper port of the separating cylinder is positioned below the barrier screen plate, and the upper port of the separating cylinder is positioned between the lower edge of the barrier screen plate and the one-way valve. The water pump is located between the second end of the connecting pipeline and the blocking screen plate.

As shown in FIG. 4, when the water pump works, the water pump drives the water in the connecting pipeline to flow from the first end of the connecting pipeline to the second end, the one-way valve is opened in the process, and the rotary valve plate rotates upwards and abuts against the lower end face of the separating cylinder to seal the lower port of the separating cylinder.

As shown in figure 3, when the water pump stops working, the one-way valve is closed, and the rotary valve plate rotates downwards under the action of the dead weight and abuts against the valve plate limiting block, so that the lower port of the separating cylinder is opened.

When the electromagnetic switch valve is opened, the water pump is in a working state.

In the actual use process of building the net playground in the artificial fish reef area of the leisure fishery, small fish can enter the fishing field, so that the fishing experience can be influenced, and the fishing interest of people can not be improved; and the small fish is fished, which also affects the cultivation and growth of the fish in the artificial farm. On the other hand, the artificial farm between the outer ring purse net and the inner ring purse net needs to throw artificial baits regularly to provide sufficient baits for fishes in the artificial farm, and in order to reduce the difficulty of the fishing farm in the fishing farm, the artificial baits are generally not thrown or a small amount of the artificial baits are thrown so as to avoid the problems of no hook biting and difficult fishing farm after the fishes in the fishing farm are fed with food; however, in the actual process, the problems that visitors who are leisure activities often feed baits into the fishing field, so that the fishing field is not caught by hooks and is difficult to catch are caused; in order to solve the problem, the scheme is provided with an induction separation type feeding device so as to solve the problem, and particularly,

the water pump is started, and then bait is fed in the fishing ground through the feeding hopper (the bait is thrown into water and floats on the water surface firstly, and the bait absorbs water and sinks after a period of time). During the working process of the water pump, water flow is formed in the connecting pipeline, and flows into an artificial culture field between the outer ring purse net and the inner ring purse net from a fishing field through the separation pipeline and the connecting pipeline, so that bait in the fishing field flows into the artificial culture field between the outer ring purse net and the inner ring purse net along with the water flow through the separation pipeline and the connecting pipeline, sufficient bait is provided for fish in the artificial culture field, meanwhile, tourists who are idle move feed the bait into the fishing field, most of the bait flows into the artificial culture field between the outer ring purse net and the inner ring purse net along with the water flow through the separation pipeline and the connecting pipeline; thereby avoiding the problems of no biting and difficult fishing ground after the fish in the fishing ground eats; more importantly, in the process, fishes (including small fishes) in the fishing field are attracted by baits and gathered in a water area below the feeding hopper, and the small fishes enter the separation pipeline (large fishes cannot enter) through meshes of the separation net sheet along with the baits flowing into the separation pipeline; then, the small fish enters the connecting pipeline under the action of bait and water flow and passes through the one-way valve, and then the small fish is blocked by the blocking screen plate and is retained between the blocking screen plate and the one-way valve; after the water pump is closed, the one-way valve is closed, the rotary valve plate rotates downwards under the action of dead weight and abuts against the valve plate limiting block, so that the lower port of the separating cylinder is opened, and at the moment, small fishes enter the artificial culture field between the outer ring purse net and the inner ring purse net through the lower port of the separating cylinder.

Further, as shown in fig. 1 and 2, the induced separation type feeding device further comprises a vertical diversion baffle 4.5, the vertical diversion baffle is located between the second end of the connecting pipeline and the inner ring purse net, and the vertical diversion baffle is close to the second end of the connecting pipeline.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, alterations and equivalents of the above embodiments according to the technical spirit of the present invention are still within the protection scope of the technical solution of the present invention.