CN113207783A - Intelligent feeding system and method for fish culture - Google Patents
Intelligent feeding system and method for fish culture Download PDFInfo
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- CN113207783A CN113207783A CN202110692392.2A CN202110692392A CN113207783A CN 113207783 A CN113207783 A CN 113207783A CN 202110692392 A CN202110692392 A CN 202110692392A CN 113207783 A CN113207783 A CN 113207783A
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- hopper
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/80—Feeding devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The invention discloses an intelligent feeding system and method for fish culture, which comprises a float sensor, a controller, a containing hopper and a distributing device, wherein the containing hopper and the distributing device are arranged above a culture water surface through a bracket; the output end of the float sensor is connected with a controller, and the controller is connected with the electromagnetic valve; the float sensor floats on the surface of water for the vibration size that the perception surface of water ripple brought sends the signal of telecommunication for the controller when the vibration reaches the certain degree, and the controller is according to the float sensor signal of telecommunication of receiving and combine to predetermine the switching of rule control solenoid valve. The invention realizes the intelligent control of feeding, has uniform feeding and dropping points, and saves the breeding cost and the workload.
Description
Technical Field
The invention relates to the technical field of fishery breeding, in particular to an intelligent feeding system and method for fish breeding.
Background
In the process of fish culture, the fish feed is required to be quantitatively fed according to the growth stage of the fish. At present, artificial feeding is mostly adopted when fish is fed. The artificial feeding is based on experience, fish materials are regularly and quantitatively fed according to the stage, the type and the number of the fish in growth, the artificial feeding is usually carried out in a throwing or sprinkling mode, and when the feeding is carried out in the throwing mode, the thrown fish materials form a curve and fall into the water surface of the fishpond from near to far; when feeding is carried out in a sprinkling mode, the spilled fish materials form an arc line and fall into the water surface of the fishpond from near to far. No matter in a throwing or spraying mode, the manual feeding is not easy to control the force, and when the force is too large, the falling points of the fish materials on the water surface of the fishpond are too dispersed and even exceed the collective feeding range of the fish; the fish material is easy to be in a ball shape when falling into the water surface of the fish pond when the force is too small, the falling point is uneven when the fish material falls into the water surface of the fish pond, so that the fish is easy to fight and rob in the feeding process, meanwhile, the area of a water area is gradually increased along with the continuous expansion of the culture scale, the working strength of manual feeding is also increased, the labor cost is gradually increased, and the efficiency cannot follow up the actual requirement gradually.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: how to provide an intelligent fish farming feeding system and method which can realize uniform feeding and dropping points, save breeding cost and workload and realize intelligent and controllable feeding.
In order to solve the technical problems, the invention adopts the following technical scheme:
an intelligent feeding system for fish culture comprises a float sensor, a controller, a containing hopper and a distributing device, wherein the containing hopper and the distributing device are arranged above a culture water surface through a support, the containing hopper is used for loading fish materials, a discharge hole is formed in the bottom of the containing hopper, an electromagnetic valve is arranged at the discharge hole to control the opening and closing of the discharge hole, the lower side of the discharge hole is in butt joint with an inlet of the distributing device, and the distributing device is used for uniformly distributing the received fish materials in a water area where the distributing device is located; the output end of the float sensor is connected with a controller, and the controller is connected with the electromagnetic valve; the float sensor floats on the surface of water for the vibration size that the perception surface of water ripple brought sends the signal of telecommunication for the controller when the vibration reaches the certain degree, and the controller is according to the float sensor signal of telecommunication of receiving and combine to predetermine the switching of rule control solenoid valve.
Furthermore, the float sensor comprises a float body, an outer cover body hermetically connected with the float body is arranged on the float body, a metal inner swing cover is arranged in the outer cover body, a metal swing ball is suspended in the metal inner swing cover through a signal wire, and the other end of the signal wire sequentially penetrates through the metal inner swing cover and the outer cover body to be connected with the controller; under the normal floating state, the metal pendulum ball is positioned at the orthographic projection center of the metal inner pendulum cover; when the swing amplitude of the metal pendulum ball reaches a certain degree, the metal pendulum ball can be contacted with the inner wall of the metal inner pendulum cover, so that an electric signal is triggered and transmitted to the controller.
Furthermore, the float body is of a hemispherical structure, the hemispherical plane faces upwards, and the outer cover body is a conical cover.
Furthermore, the top surface of the float body protrudes upwards to form a cylindrical connecting convex part, and the circumferential surface of the connecting convex part is provided with external threads; the lower end of the outer cover body is provided with a straight cylindrical part corresponding to the connecting convex part, the inner wall of the straight cylindrical part is provided with an internal thread corresponding to the external thread of the connecting convex part, and the straight cylindrical part is in threaded connection with the connecting convex part so as to connect the outer cover body with the float body.
Furthermore, the material distribution device comprises a material receiving hopper and a material distribution hopper which are connected together, wherein the opening of the material receiving hopper faces upwards and forms an inlet of the material distribution device, and the opening of the material distribution hopper faces downwards; the feeding hopper is internally provided with a plurality of feeding chutes along the direction of a bus, the feeding chutes are positioned between the inner surface and the outer surface of the feeding hopper, all the feeding chutes are uniformly distributed at intervals along the circumference, the upper ends of all the feeding chutes are inlets and are mutually communicated and are communicated with the receiving hopper, the outlets of all the feeding chutes are arranged at the tail ends of the corresponding feeding chutes, and the upper ends of the inner walls of the feeding hopper are gathered together to close the inner walls of the upper ends of the feeding hopper.
Furthermore, inlets at the upper ends of all the blanking chutes are positioned at the same height, and outlets at the lower ends of all the blanking chutes are provided with various heights; the discharging chutes with the same lower end outlet height are uniformly distributed along the circumference at intervals.
Furthermore, the lower end outlet of the blanking chute with the lowest lower end outlet height is arranged on the lower end surface of the material distributing hopper; the lower ends of the rest blanking chutes are vertically bent downwards and penetrate out of the inner surface of the material distributing hopper to form a lower end outlet.
Furthermore, the distributing hopper is connected with a driving motor, the driving motor is connected with a controller, and the controller sends an instruction to the driving motor to drive the distributing hopper to rotate along the central axis of the distributing hopper.
The intelligent feeding method for the fish culture adopts the intelligent feeding system for the fish culture to feed, and comprises the following steps:
s1, setting single feeding amount, feeding speed and feeding interval on the controller according to the growth stage and the number of the fishes in advance;
s2, placing the float sensor in the fish pond, triggering the float sensor to generate an electric signal through water waves generated by spitting bubbles on the water surface of the fish pond when the fish is hungry, and sending the electric signal to the controller;
s3, after the controller receives the electric signal sent by the float sensor for the first time, timing and counting the times of receiving the electric signal, and judging whether the number of times of receiving the electric signal reaches a preset value or not according to the counted times of the electric signal;
s4, when the number of times of the controller receiving the electric signals within the preset time reaches a preset value, the sending end of the controller sends an opening instruction to the electromagnetic valve, and meanwhile, the sending end of the controller interrupts and receives the electric signals sent by the float sensor;
s5, opening the electromagnetic valve, enabling the fish material loaded in the containing hopper to fall from the discharge hole and enter the material distributing device, and distributing the material through the material distributing device to be uniformly thrown into the water area covered by the material distributing device; the single feeding amount is controlled by the opening time of the electromagnetic valve; the feeding speed is controlled by the opening degree of the electromagnetic valve;
and S6, when the opening time of the electromagnetic valve reaches the set time, the controller sends a closing instruction to the electromagnetic valve, and the electromagnetic valve is closed to stop discharging, so that one-time feeding is completed.
Compared with the prior art, the invention has the beneficial effects that:
1. the food throwing time is more intelligent and scientific. Each feeding is triggered by the fish school itself, rather than by manual experience. By utilizing the characteristic that fishes can swim to the water surface to enable the water surface to generate ripples when hungry, the float sensor senses the ripples and transmits signals to the controller, so that the automatic feeding is realized, and the problem that the manual feeding is possibly too frequent or insufficient is avoided. And the signal transmitted by the float sensor in the set time meets a certain amount to trigger, so that various false triggers are avoided, and the triggering is accurate and reliable.
2. The feeding amount is intelligently controllable. According to factors such as different growth stages, varieties and different seasons of fishes, the speed of feeding each time (the opening of the electromagnetic valve is realized) and the feeding amount (the opening time of the electromagnetic valve) can be preset by the controller, so that the feeding process and the feeding amount can be intelligently controlled.
3. The fish feed can be evenly fed into the water area, and the fed fish feed can be evenly distributed on the water area through the feed divider.
In a word, the intelligent fish feeding device realizes intelligent feeding of fish culture, avoids the defect of feeding by depending on manual experience, reduces labor intensity, saves labor expenditure, and realizes maximization of fish feeding utilization.
Drawings
For purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made in detail to the present invention as illustrated in the accompanying drawings, in which:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the float sensor of the present invention;
fig. 3 is a sectional view of the feed divider of the present invention.
In the figure: the float fish detecting device comprises a float sensor 1, a controller 2, a material containing hopper 3, an electromagnetic valve 4, a material distributing device 5, an outer cover body 11, a float body 12, a signal wire 13, a metal swinging ball 14, a metal inner swinging cover 15, a connecting convex part 16, a material outlet 31, a material receiving hopper 51, a material distributing hopper 52 and a material discharging chute 53.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, an intelligent feeding system for fish farming in this embodiment includes a float sensor 1, a controller 2, a material containing hopper 3 and a material distributing device 5, wherein the material containing hopper 3 and the material distributing device 5 are mounted above a farming water surface through a bracket, the material containing hopper 3 is used for containing fish materials, a material outlet 31 is arranged at the bottom of the material containing hopper 3, an electromagnetic valve 4 is arranged at the material outlet 31 to control the opening and closing of the material outlet, an inlet of the material distributing device 5 is butted below the material outlet 31, and the material distributing device 5 is used for uniformly distributing the received fish materials in a water area where the material containing hopper is located; the output end of the float sensor 1 is connected with the controller 2, and the controller 2 is connected with the electromagnetic valve 4; float sensor 1 floats on the surface of water for the vibration size that the perception surface of water ripple brought sends the signal of telecommunication for controller 2 when vibration reaches the certain degree, and controller 2 controls the switching of solenoid valve 4 according to the 1 signal of telecommunication of float sensor received and combination preset rule.
In the invention, a float sensor 1 is triggered by water ripples generated by fish swimming to the water surface during hunger, the float sensor 1 senses the ripples and transmits signals to a controller 2, the controller 2 controls the opening of an electromagnetic valve 4 and the opening time of the electromagnetic valve 4 according to the received electric signals of the float sensor 1 and in combination with preset rules, fish materials leak into a material distribution device 5 from a discharge hole 31 at the bottom of a material containing hopper 3, and the material distribution device 5 uniformly distributes the received fish materials to the water area where the fish materials are located. Through utilizing the characteristics that fish can swim to the water surface when hungry and make the surface of water produce the ripple, this ripple of sensing of float sensor 1 and transmission signal give controller 2 to throw the food automatically, avoided the manual work to throw the food probably too frequently or throw the problem that the food is not enough, but artifical experience. And the signal transmitted by the float sensor 1 in the set time meets a certain amount to trigger, so that various false triggers are avoided, and the triggering is accurate and reliable.
Referring to fig. 2, in the present embodiment, the float sensor 1 includes a float body 12, an outer cover 11 hermetically connected to the float body 12 is disposed on the float body 12, a metal inner swing cover 15 is disposed in the outer cover 11, a metal swinging ball 14 is suspended in the metal inner swing cover 15 through a signal line 13, and the other end of the signal line 13 sequentially penetrates through the metal inner swing cover 15, and the outer cover 11 is connected to the controller 2; under the normal floating state, the metal pendulum ball 14 is positioned at the orthographic projection center of the metal inner pendulum cover 15; when the swing amplitude of the metal pendulum ball 14 reaches a certain degree, the metal pendulum ball can be contacted with the inner wall of the metal inner pendulum cover 15, so that an electric signal is triggered and transmitted to the controller 2.
Therefore, the float body 12 is hermetically connected with the outer cover body 11, and the influence on the telecommunication generated by the float sensor 1 due to the fact that the inner part of the outer cover body 11 is soaked in water is avoided. Regard as the node that float sensor 1 produced the signal of telecommunication with metal inner pendulum cover 15 and metal pendulum ball 14, swim to the surface of water when hungry through the fish and tell the water ripple that the bubble produced, make float sensor 1 horizontal hunting, thereby the drive suspends in midair in the metal pendulum ball 14 horizontal hunting of metal inner pendulum cover 15, trigger the signal of telecommunication and give controller 2 when metal pendulum ball 14 surface and the contact of metal inner pendulum cover 15 inner wall, thereby trigger the float sensor according to the shoal of fish oneself, avoided the manual work to throw and eat too frequently, the problem of experience deficiency.
In this embodiment, the float 12 is a hemispherical structure, the hemispherical plane faces upward, and the outer cover 11 is a conical cover.
Therefore, the gravity center of the outer cover body 11 is lowered, so that the whole gravity center of the float sensor 1 is lowered, the float sensor 1 floats on the water surface more stably and is not easy to tip over.
In the embodiment, the top surface of the float body 12 protrudes upwards to form a cylindrical connecting convex part 16, and the circumferential surface of the connecting convex part 16 is provided with external threads; the lower end of the outer cover 11 has a straight cylindrical portion corresponding to the connection convex portion 16, the inner wall of the straight cylindrical portion has an internal thread corresponding to the external thread of the connection convex portion 16, and the straight cylindrical portion is screwed to the connection convex portion 16 to connect the outer cover 11 to the float body 12.
Because float sensor 1 floats in the surface of water for a long time, receives geographical environment or weather influence, if when leading to the fact the influence to the stability that float sensor 1 produced the signal of telecommunication, through 12 and 11 threaded connection of dustcoat body with the float, be convenient for overhaul float sensor 1 regularly. Meanwhile, the top surface of the float body 12 protrudes to form a connecting convex part 16, so that the wading height of the float body 1 is increased, and the float sensor 1 is not easy to soak when being impacted by the water surface ripple of the fishpond or being hit by rainwater.
Referring to fig. 3, in the present embodiment, the material dividing device 5 includes a receiving hopper 51 and a material dividing hopper 52 connected together, the receiving hopper 51 is open upward and forms an inlet of the material dividing device 5, and the material dividing hopper 52 is open downward; a plurality of blanking chutes 53 along the direction of a bus are arranged in the distributing hopper 52, the blanking chutes 53 are positioned between the inner surface and the outer surface of the distributing hopper 52, all the blanking chutes 53 are uniformly distributed along the circumference at intervals, the upper ends of all the blanking chutes 53 are inlets and are mutually communicated and are communicated with the receiving hopper 51, the outlets of all the blanking chutes 53 are arranged at the tail ends of the corresponding blanking chutes, and the upper ends of the inner walls of the distributing hopper 52 are gathered together to close the inner wall of the upper end of the distributing hopper 52.
By using the receiving hopper 51 as a temporary collecting hopper when the fish material leaks from the discharge port 31 in this way, it is possible to prevent the fish material from being excessively scattered when the fish material leaks from the discharge port 31 and causing gaps or discontinuities when the fish material is fed into the water area through the distributing hopper 52. A plurality of baiting chutes 53 along the direction of a bus are arranged in the distributing hopper 52, the inlets at the upper ends of the baiting chutes 53 are communicated with the receiving hopper 51, when baits fall into the receiving hopper 51, the baits are discharged into the baiting chutes through the inlets of the baiting chutes 53, and the baits accelerate in the baiting chutes 53 through the gravity force generated when the baits fall, and are uniformly and dispersedly thrown into the water through the outlets of the baiting chutes 53.
In the present embodiment, the inlets at the upper ends of all the discharging chutes 53 are located at the same height, and the outlets at the lower ends have various heights; the plurality of discharging chutes 53 with the same lower outlet height are uniformly distributed along the circumference at intervals.
Like this, form a plurality of different unloading spouts 53 of length in the minute hopper 52, the unloading spout 53 that the lower extreme export height is the same evenly distributes along circumference interval for not only the round when the fish material comes out, but concentric many circles can more evenly drop into minute hopper 52 and cover the waters.
In the present embodiment, the lower end outlet of the discharging chute 53 having the lowest height of the lower end outlet is provided on the lower end surface of the distributing hopper 52; the lower ends of the rest of the blanking chutes 53 are vertically bent downwards and penetrate out of the inner surface of the material distributing hopper 52 to form a lower end outlet.
Thus, the feed hopper 52 is provided with the feed chutes 53 with different lengths and the outlets at the lower ends with different heights like a nozzle, so that the fish feed can be dropped more uniformly when being thrown into the water area.
In this embodiment, the material distribution hopper 52 is connected to a driving motor, the driving motor is connected to a controller, and the controller sends a command to the driving motor to drive the material distribution hopper 52 to rotate along the central axis of the material distribution hopper 52.
Thus, a rotating shaft can be arranged at the central axis of the material distributing hopper 52, and the motor drives the rotating shaft to rotate so that the material distributing hopper 52 and the rotating shaft rotate together; or the rotating shaft can be fixed, and a structure similar to bevel gear transmission is arranged between the outer surface of the material separating hopper 52 and the output shaft of the motor to drive the material separating hopper to rotate around the rotating shaft. The motor drives the material distributing hopper to rotate, so that the discharging of the lower end outlet at the same height is not only a plurality of isolated static points but also a plurality of moving points, and the corresponding circumference can be fully covered by the moving points, so that the discharging is more uniform.
The intelligent feeding method for the fish culture adopts the intelligent feeding system for the fish culture to feed, and comprises the following steps:
according to the growth stage and the number of the fishes, the single feeding amount, the feeding speed and the feeding interval of two times are set on the controller in advance to control the feeding amount so as to fully utilize the bait.
The float sensor is placed in a fishpond, and the water waves generated on the water surface of the fishpond trigger the float sensor to generate an electric signal and send the electric signal to the controller.
The controller 2 starts timing and counts the times of receiving the electric signals after receiving the electric signals sent by the float sensor 1 for the first time, and judges whether the electric signals reach a preset value according to the counted times of the electric signals.
When the number of times of receiving the electric signals by the controller within the preset time reaches a preset value, the sending end of the controller sends an opening instruction to the electromagnetic valve, and meanwhile, the electric signals sent by the float sensor are interrupted and received.
When the electromagnetic valve is opened, the fish material loaded in the material containing hopper falls from the discharge port and enters the material distributing device, and the fish material is distributed by the material distributing device and is uniformly thrown into the water area covered by the material distributing device; the single feeding amount is controlled by the opening time of the electromagnetic valve; the feeding speed is controlled by the opening degree of the electromagnetic valve.
When the opening time of the electromagnetic valve reaches the set time, the controller sends a closing instruction to the electromagnetic valve, and the electromagnetic valve is closed to stop feeding, so that one-time feeding is completed.
Thus, according to the growth stage and the number of the fishes, the controller 2 is preset with single feeding amount, feeding speed and feeding interval for two times so as to reasonably control the feeding amount and fully utilize the bait. The fish hunger swimming to the water surface is used for triggering the float sensor to generate an electric signal and sending the electric signal to the controller, the controller 2 starts to time and count the number of times of receiving the electric signal after receiving the electric signal sent by the float sensor 1 for the first time, and judges whether the number of times of receiving the electric signal reaches a preset value or not according to the counted number of times of the electric signal (for example, the number of times of receiving the electric signal is 10 times within 30 seconds from the first time of receiving the electric signal by the controller), so that the condition that a single fish swims to the water surface or falls down to generate interference to trigger the float sensor 1 can be avoided. The electric signal generated by the float sensor 1 is used as a working node of the controller 2, when the frequency of receiving the electric signal by the controller 2 reaches a preset value, a sending end of the controller 2 sends an opening instruction to the electromagnetic valve 4, the fish material loaded in the containing hopper 3 falls from the discharging port 31 and enters the distributing device 5, and the fish material is distributed by the distributing device 5 and is uniformly and dispersedly thrown into the water area covered by the distributing device 5. Therefore, the feeding opportunity is scientific and reasonable, the feeding process is intelligent and controllable, the feeding falling points are uniform, and the breeding cost and the workload are saved.
It should be further noted that the amount administered can also be determined by weighing changes. The material containing hopper is arranged on the weighing sensor, and the output of the weighing sensor is connected with the controller.
Finally, it is noted that the above embodiments are merely intended to illustrate the technical solution of the present invention and not to limit the same, and although the present invention has been described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein. All obvious changes which are introduced by the technical solution of the invention are still within the protective scope of the invention.
Claims (9)
1. The utility model provides a breed fish intelligence and throw edible system which characterized in that: the fish float collecting device comprises a fish float sensor, a controller, a containing hopper and a distributing device, wherein the containing hopper and the distributing device are arranged above a culture water surface through a support, the containing hopper is used for loading fish materials, a discharge hole is formed in the bottom of the containing hopper, an electromagnetic valve is arranged at the discharge hole to control the opening and closing of the discharge hole, the lower side of the discharge hole is in butt joint with an inlet of the distributing device, and the distributing device is used for uniformly distributing the received fish materials in a water area where the distributing device is located; the output end of the float sensor is connected with a controller, and the controller is connected with the electromagnetic valve; the float sensor floats on the surface of water for the vibration size that the perception surface of water ripple brought sends the signal of telecommunication for the controller when the vibration reaches the certain degree, and the controller is according to the float sensor signal of telecommunication of receiving and combine to predetermine the switching of rule control solenoid valve.
2. The intelligent feeding system for fish culture of claim 1, wherein: the float sensor comprises a float body, an outer cover body hermetically connected with the float body is arranged on the float body, a metal inner swing cover is arranged in the outer cover body, a metal swing ball is suspended in the metal inner swing cover through a signal wire, and the other end of the signal wire sequentially penetrates through the metal inner swing cover and the outer cover body to be connected with a controller; under the normal floating state, the metal pendulum ball is positioned at the orthographic projection center of the metal inner pendulum cover; when the swing amplitude of the metal pendulum ball reaches a certain degree, the metal pendulum ball can be contacted with the inner wall of the metal inner pendulum cover, so that an electric signal is triggered and transmitted to the controller.
3. The intelligent feeding system for fish culture of claim 2, wherein: the float body is of a hemispherical structure, the hemispherical plane faces upwards, and the outer cover body is a conical cover.
4. The intelligent feeding system for fish culture of claim 3, wherein: the top surface of the float body protrudes upwards to form a cylindrical connecting convex part, and the circumferential surface of the connecting convex part is provided with external threads; the lower end of the outer cover body is provided with a straight cylindrical part corresponding to the connecting convex part, the inner wall of the straight cylindrical part is provided with an internal thread corresponding to the external thread of the connecting convex part, and the straight cylindrical part is in threaded connection with the connecting convex part so as to connect the outer cover body with the float body.
5. The intelligent feeding system for fish culture of claim 1, wherein: the material distributing device comprises a material receiving hopper and a material distributing hopper which are connected together, wherein the opening of the material receiving hopper faces upwards and forms an inlet of the material distributing device, and the opening of the material distributing hopper faces downwards; the feeding hopper is internally provided with a plurality of feeding chutes along the direction of a bus, the feeding chutes are positioned between the inner surface and the outer surface of the feeding hopper, all the feeding chutes are uniformly distributed at intervals along the circumference, the upper ends of all the feeding chutes are inlets and are mutually communicated and are communicated with the receiving hopper, the outlets of all the feeding chutes are arranged at the tail ends of the corresponding feeding chutes, and the upper ends of the inner walls of the feeding hopper are gathered together to close the inner walls of the upper ends of the feeding hopper.
6. The intelligent feeding system for fish culture of claim 5, wherein: the inlets at the upper ends of all the blanking chutes are positioned at the same height, and the outlets at the lower ends of all the blanking chutes are provided with various heights; the discharging chutes with the same lower end outlet height are uniformly distributed along the circumference at intervals.
7. The intelligent feeding system for fish culture of claim 6, wherein: the lower end outlet of the blanking chute with the lowest lower end outlet height is arranged on the lower end surface of the distributing hopper; the lower ends of the rest blanking chutes are vertically bent downwards and penetrate out of the inner surface of the material distributing hopper to form a lower end outlet.
8. The intelligent feeding system for fish culture of claim 6, wherein: the distributing hopper is connected with a driving motor, the driving motor is connected with a controller, and the controller sends an instruction to the driving motor to drive the distributing hopper to rotate along the central axis of the distributing hopper.
9. An intelligent feeding method for fish culture is characterized in that: the intelligent fish farming feeding system of claim 1, comprising the steps of:
s1, setting single feeding amount, feeding speed and feeding interval on the controller according to the growth stage and the number of the fishes in advance;
s2, placing the float sensor in the fish pond, triggering the float sensor to generate an electric signal through water waves generated by spitting bubbles on the water surface of the fish pond when the fish is hungry, and sending the electric signal to the controller;
s3, after the controller receives the electric signal sent by the float sensor for the first time, timing and counting the times of receiving the electric signal, and judging whether the number of times of receiving the electric signal reaches a preset value or not according to the counted times of the electric signal;
s4, when the number of times of the controller receiving the electric signals within the preset time reaches a preset value, the sending end of the controller sends an opening instruction to the electromagnetic valve, and meanwhile, the sending end of the controller interrupts and receives the electric signals sent by the float sensor;
s5, opening the electromagnetic valve, enabling the fish material loaded in the containing hopper to fall from the discharge hole and enter the material distributing device, and distributing the material through the material distributing device to be uniformly thrown into the water area covered by the material distributing device; the single feeding amount is controlled by the opening time of the electromagnetic valve; the feeding speed is controlled by the opening degree of the electromagnetic valve;
and S6, when the opening time of the electromagnetic valve reaches the set time, the controller sends a closing instruction to the electromagnetic valve, and the electromagnetic valve is closed to stop discharging, so that one-time feeding is completed.
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