1733 results about "Fish tank" patented technology

The invention provides a fish tank water quality monitoring method and system based on multi-modal fusion, which are applied to the field of fish tank water quality monitoring, and the method comprises the following steps: obtaining a fish tank water body image; inputting the preprocessed fish tank water body image into a fish tank water quality evaluation model to obtain a water quality comprehensive score output by the fish tank water quality evaluation model, including: performing water body color analysis on the water body color image to obtain a water body color feature vector; performing fish behavior analysis on the fish behavior video to obtain a fish behavior feature vector; performing water body physical phenomenon analysis on the water body physical phenomenon image to obtain a water body physical phenomenon feature vector; and performing multi-modal fusion analysis based on the water body color feature vector, the fish behavior feature vector and the water body physical phenomenon feature vector to obtain a water quality comprehensive score corresponding to the fish tank water body image. According to the invention, a more accurate and predictable water quality health state score can be provided.

The invention discloses a fish tank dynamic interaction display device based on position detection and an interaction implementation method. Belongs to the technical field of intelligent aquarium equipment and digital interaction and collects fish body images in real time, a control screen supports touch and voice interaction, and a background display screen dynamically updates display content according to the position of a fish body. The control processing hardware module integrates a microprocessor, a real-time digital graphic processing chip and an artificial intelligence processing unit, and image correction, multi-fish body detection tracking, coordinate mapping and dynamic background rendering are achieved. The method comprises the steps of image acquisition, geometric correction, position detection, coordinate mapping, dynamic rendering, cross-device linkage and the like, and supports gesture interaction, AI background generation and multi-fish tank linkage functions. Through combination of real-time position detection and a dynamic display technology, immersive interactive experience of fish moving and scene following is constructed, the problem that a traditional fish tank is insufficient in interactivity is solved, and the fish tank is suitable for families, commercial display and other scenes.

The invention relates to the technical field of fish tank intelligent control, in particular to an intelligent fish tank control system and method and an intelligent fish tank. The system collects fish tank water quality and environment parameters through a water quality sensing module to generate state vectors; the state analysis module constructs a parameter incidence matrix and quantifies mutual influence among parameters; the prediction modeling module is combined with the state vector and the incidence matrix to establish a water ecology dynamic evolution model and predict a multi-time-scale water quality change trend; the control decision module judges whether future water quality deviates from a healthy area or not according to the prediction result and a health threshold value and generates a control strategy; the execution control module receives the strategy, regulates and controls the water pump, the air pump and the lighting and feeding device, achieves intelligent regulation and maintenance of the water quality environment of the fish tank, achieves accurate prediction of the water quality change trend, converts a control mode from passive response to active prevention, remarkably improves the water quality stability and reduces extreme water quality events.

The utility model is applicable to the technical field of fish tanks, and provides an automatic ventilation device of a sealed fish tank, which comprises a tank body provided with an outer ventilation hole and at least one automatic ventilation device, the automatic ventilation device comprises a buoy, a hollow hose and a connecting component, the connecting component is arranged in the outer ventilation hole, and the outer ventilation hole is communicated with the hollow hose. A circular groove is formed in the middle of the upper end face of the buoy, an inner air hole is formed in one end of the hollow hose, one end of the hollow hose penetrates through the buoy, the inner air hole penetrates through the circular groove, and the other end of the hollow hose is connected with the connecting assembly. Therefore, according to the automatic ventilation device of the sealed fish tank, automatic ventilation inside and outside the sealed fish tank is achieved, and effective and continuous air circulation inside and outside the tank body is guaranteed.

The utility model discloses a magnetic brush for a fish tank, which relates to the technical field of fish tank cleaning and comprises a cleaning component, the cleaning component comprises a first shell and a first shell cover detachably connected with the first shell, and a cutter is detachably arranged in a cutter groove; cleaning cloth is arranged on the side wall of the side, back to the first shell, of the first shell cover. The handheld component comprises a second shell and a second shell cover detachably connected with the second shell, a supporting base is arranged in the first shell, an internal magnet block is arranged in the first containing groove, an external magnet block is arranged in the second containing groove, a baffle covers a groove opening of the second containing groove, and the magnetic poles of the opposite side walls of the external magnet block and the internal magnet block are arranged in a different mode. The cleaning cloth or the cutters are selected to directly face the inner wall of the fish tank, the cleaning component synchronously moves along with the handheld component according to the magnet attraction principle, the cleaning cloth or the cutters are used for cleaning the inner wall of the fish tank, the cutters are of two types, the requirement for cleaning the inner wall of the fish tank is met, the fish tank cleaning device is suitable for the fish tank large in size and deep in depth, and the cleaning efficiency is improved.

The invention relates to a method and device for automatically generating a fish culture strategy and a computer readable storage medium, and the method comprises the steps: recognizing a fish tank image, and obtaining fish information; according to a preset fish database and the variety of the fish information, a culture mode in the fish tank is determined, and the culture mode comprises a multi-variety polyculture mode and a single-variety culture mode; if the culture mode is a single-variety culture mode, determining a feeding scheme and environmental parameters of fish in a fish tank according to a preset fish database and fish information; and if the culture mode is a multi-variety polyculture mode, determining a feeding scheme and environmental parameters of the fishes in the fish tank according to the number of each type of fishes in the fish information and a preset fish database. According to the invention, the fish culture strategy can be generated conveniently and quickly.

The invention discloses a fish excrement and particulate matter filtering device for a fish tank, and relates to the technical field of fish tank accessories, the fish excrement and particulate matter filtering device comprises an upper cover, a filtering main body box, a drawer outer box, a filtering drawer and a confluence bottom support; the device is small and exquisite in overall design, small in occupied space and suitable for fish tanks of different sizes, the space around the fish tanks is saved through the design, the device is more attractive and elegant, meanwhile, due to the characteristic of modular assembly, a user can flexibly adjust the device according to the actual size and requirements of the fish tanks, and the practicability is high. The water outlet grooves of the three groups of inclined nozzles in the device obliquely spray water to cooperatively drive the filter screen to rotate, so that effective filtering is realized, fish manure and particle impurities are cleaned through physical scouring and rotary centrifugation, the filter screen is effectively prevented from being blocked, the filtering effect is remarkably improved, and meanwhile, the water outlet grooves of the three groups of inclined nozzles are effectively prevented from being blocked. The design of the rotary filter screen and the inclined nozzle also reduces the energy consumption, and conforms to the modern environment-friendly and energy-saving concept.

Techniques are described for rotating a display such as multiple displays of a box-shaped flat panel display assembly according to the viewing angle of the user.

The invention provides a self-circulation water quality purification system which comprises a culture space body and a self-circulation purification system, the self-circulation purification system comprises a hollow flow guide box, a water pump, an anti-blocking cotton layer and a control device, the water pump is arranged in the flow guide box, and the flow guide box is arranged at the bottom of an inner cavity of a fish tank body; a water seepage guide plate is formed at the top of the guide box; the anti-blocking cotton layer is arranged on the upper surface of the water seepage guide plate; a fungus bed layer is laid on the upper surface of the anti-blocking cotton layer; a plurality of leaking holes are formed in the surface of the water seepage guide plate; a plurality of clapboards are arranged between the lower surface of the seepage guide plate and the bottom of the inner cavity of the guide box; one side of each partition plate in the width direction is connected with one inner side wall of the diversion box, and a gap is formed between the other side of each partition plate in the width direction and the inner side wall of the diversion box. And the microbial flora can obtain the maximum digestion nutrition due to the comprehensive and stable water flow, so that harmful substances such as ammonia, nitrogen, nitrate and nitrite in water are eliminated, meanwhile, hydrogen sulfide is avoided, and a good water purification function can be maintained.

The invention discloses a fishpond filtering device for removing suspended solids, and relates to the technical field of filtering. A flat plate is fixedly mounted on the left side of the device body, a water suction pump is arranged at the top of the flat plate, a spiral hose is arranged at the bottom of the water suction pump, and the outer wall of the spiral hose movably penetrates through the interior of the flat plate. A water conveying pipe is arranged on the right side of the water suction pump, and the outer wall of the water conveying pipe penetrates through the interior of the device body. A filtering assembly is fixedly mounted at the bottom of the spiral hose. According to the invention, the filter assembly is promoted to move back and forth so as to absorb suspended solids in water at the gathering part of the suspended solids, and the disturbed water flow does not interfere with the suspended solids intercepted by the filter plate when the spiral blade rotates; the removal efficiency of the suspended solids in the fish tank is improved, and secondary overflow caused by falling of the suspended solids intercepted on the surface of the filter plate is effectively avoided.

The invention discloses an intelligent fish box control method, device and equipment based on PLC equipment and a storage medium, and relates to the technical field of aquaculture intellectualization, and the intelligent fish box control method based on the PLC equipment comprises the steps: obtaining fish box environment data collected by a water quality detector; analyzing the fish box environment data to obtain comprehensive regulation and control parameters; and driving an oxygen supply pump, a dosing pump, a filter pump, temperature control equipment and a water supply valve based on the comprehensive regulation and control parameters. According to the invention, intelligent monitoring and automatic control can be realized in live fish transportation, the survival rate is improved, and the cost is reduced.

The utility model relates to an aquarium, in particular to an intelligent aquarium, which comprises a base, an intelligent terminal arranged inside the base, a transparent fish tank body arranged above the base, an opening at the top end of the fish tank body and an aquarium cover covering the open aquarium, an interlayer separated from the fishpond is arranged in the center area of the annular fishpond, and a display device is arranged in the interlayer. The display device is arranged in the middle of the fish tank, the fish pond is arranged around the display device, various fishes are simulated through the display device, the fishes are dynamically interwoven with fishes actually bred in the fish tank, fish schools swim around the display device, a unique landscape is formed, the variety and number of the fish schools are enriched visually, and diversified ornamental experience is achieved. Meanwhile, the intelligent terminal is arranged, various terminal devices can be controlled through a program to intelligently interfere and adjust the ecology of the fish tank, and the time and energy needed by traditional fish tank feeding are greatly reduced.

The utility model discloses an integrated gapless full water injection fish tank table which comprises a fish tank table body composed of a sealed tank body and supporting legs. The sealing cylinder body is communicated with a circulating pipeline with a circulating pump, the circulating pipeline is provided with an auxiliary water return groove with an upper opening structure, the liquid inlet end of the circulating pipeline vertically and upwards penetrates into the cylinder in a sealing mode from the bottom wall of the sealing cylinder body to form a suction section which slides up and down to adjust the height, and the suction section is provided with an opening and closing valve. And a corrugated pipe adjusting section positioned outside the sealing cylinder body is arranged on the circulating pipeline close to the suction section. The fish tank has the advantages that water circulation in the sealed tank body is easily realized, the oxygen content of water in the tank body is ensured to facilitate fish culture, and meanwhile, excrement of fishes during fish culture can be circularly removed; in addition, the suction section located at the liquid inlet end of the circulation pipeline can easily suck air and fish excrement in the sealed tank body, air-free full water injection of the sealed tank body is achieved, gaps are prevented from being reserved in the tank, and the ornamental value is greatly improved.

Techniques are described for varying brightness and / or contrast in multiple displays of a box-shaped flat panel display assembly according to the viewing angle of the user. Also, techniques are described for providing, on the displays, images of real world background surrounding the display, the better to mimic a transparent tank, resembling a fish tank.

The utility model discloses a stainless steel fish tank which comprises a tank body, the tank body is divided into a plurality of classification cavities through partition plates arranged in the tank body in a sliding mode, a frame is arranged in each classification cavity, a net cover adheres to the surface of each frame, the top of the left side of the tank body is fixedly connected with a water pump, and a water outlet of the water pump is communicated with a water injection pipe. A servo motor corresponding to a classification cavity is started, a threaded rod is driven to rotate through the servo motor, the threaded rod drives a threaded sleeve to rotate through cooperation of a bearing seat and drives a moving rod to move upwards, limiting is carried out through sliding of a guide block in a guide groove, the moving rod drives a frame to move upwards, and therefore fishes in a net cover are fished up; when the fish tank needs to be cleaned, the partition plates only need to be pulled out one by one, the fish can swim in the cavity corresponding to the mesh enclosure, the fish can be conveniently fished up for water replacement and cleaning, water drainage smoothness during water replacement is achieved, and convenience during fish tank cleaning is improved.

The utility model relates to the technical field of ecological devices, and discloses a symbiotic ecological system with balanced microorganism reproduction, filtration and purification, which comprises a culture bed, a purification box arranged on the right side of the culture bed, a first fixed box arranged on the right side of the purification box, and a second fixed box arranged on the right side of the first fixed box, a water treatment mechanism is arranged in the purification box, an ecological expansion mechanism is arranged in the first fixed box, an internal circulation mechanism is arranged in the second fixed box, and the water treatment mechanism comprises a drainage assembly and a treatment assembly. According to the symbiotic ecological system with the microorganism balanced reproduction, filtration and purification functions, in the using process, the ecological core principle of natural balanced reproduction of microorganisms is followed, water in the breeding area can be precipitated, filtered and purified through the arranged water treatment mechanism, the situation that water is smelly is avoided, water does not need to be changed during fish culture, and the water treatment efficiency is improved. The later operation and maintenance cost of the fish tank is reduced, and an ecological scene with continuous ornamental value is realized.

The utility model is applicable to the technical field of fish tanks, and provides an automatic feeding system which comprises a fish tank upper cover, a feeding box, a sealing plug assembly, a moving rod and a control coil, the fish tank upper cover is provided with a feeding hole, the feeding box, the sealing plug assembly, the moving rod and the control coil are included, the sealing plug assembly is arranged on the side edge of the feeding box, and a feeding hole is formed in the connecting position of the feeding box and the sealing plug assembly. The sealing plug assembly is connected with the feeding hole in a matched mode, the feeding hole is formed in the lower end of the sealing plug assembly, the moving rod penetrates through the sealing plug assembly and the feeding hole and is inserted into the feeding box, and the control coil is arranged on the side, away from the feeding box, of the moving rod. Therefore, according to the automatic feeding system, automatic feeding of the fish tank is achieved.

The multi-port fish feed feeder comprises a main body, the main body is provided with a feed bin and a quantitative discharge mechanism, and the main body is provided with at least two discharge ports used for feeding different fish tanks in a partitioned mode. According to the multi-fish-feed feeder, feed can be fed to at least two adjacent fish tanks in a partitioned mode at the same time, equipment is saved, and the overall appearance is simple.

The invention discloses a multifunctional living room table (combining a lifting fruit tray or a fish tank with a storage cabinet). The multifunctional living room table is mainly composed of a design 1 and a design 2, and a shared main body is composed of a living room table base, a hollow cylinder, a multifunctional living room table top, a supporting decoration ring, a combined profile, a vertical plate, a cabinet body door, a remote control box and an article interlayer frame. According to the design 1, a gear motor drives a trapezoidal lead screw to further drive a center movable chuck, a multifunctional peach blossom-shaped fruit tray, a top cover connecting sleeve and a surface cover to synchronously ascend and descend so as to achieve rapid storage, and the lifting fruit tray living room table is formed; 2, a fish tank bottom is additionally arranged at the bottom of the hollow cylinder to enable the hollow cylinder to become a fish tank, a porous multifunctional supporting assembly is placed at an inner circular opening of a supporting decoration ring, and then a multifunctional fan assembly provided with mosquito trapping lamp beads, a driving motor, wide-angle wind direction fan blades, a power socket and a button control switch is placed on the porous multifunctional supporting assembly; and a multifunctional sunflower-shaped fruit tray is arranged to form the fruit tray type mosquito killing fish tank living room table.

The invention relates to a bottom discharge-lifting type adult fish sucking and catching device for industrial aquaculture. The bottom discharge-lifting type adult fish sucking and catching device comprises a closed fish collecting tank, the closed fish collecting box comprises a fish collecting box shell, an inclined table which inclines downwards is arranged at one end adjacent to the fish collecting box shell, a fish collecting cavity is formed above the inclined table, a top plate of the fish collecting cavity is a transparent observation plate which inclines downwards, and the fish collecting cavity is communicated with the fish collecting box shell through a fish filtering plate. At least one side of the fish collecting cavity is communicated with a fish discharging channel device of the culture pond through a fish inlet pipe; a fish guiding housing is arranged at the lower part of the fish collecting cavity and is connected with a fish discharging channel connected to the outside; a fish collecting box water outlet pipe and a water suction pump are arranged at the other end adjacent to the fish collecting box shell; during fish discharging, the water suction pump on the water outlet pipe of the fish collecting box is firstly started, after adult fishes enter the fish collecting cavity of the closed fish collecting box, the density of the adult fishes in the fish collecting cavity is detected by the visual detection device, and when the density of fish schools reaches a set value, the control system automatically starts fish discharging operation of the fish collecting cavity and closes the water suction pump.

This invention relates to the field of aquarium technology, specifically to an automatic aquarium feeder, comprising a shell, a storage chamber, a delivery pipe, a delivery pump, valve one, valve two, and valve three; the shell includes a fixed cylinder and a sealing plate detachably connected to the upper opening of the fixed cylinder; the storage chamber is arranged inside the fixed cylinder for storing fish food; the delivery pipe connects the shell and the storage chamber, with the outlet at the first end of the delivery pipe passing through the shell and connecting to valve one, the outlet being inclined upwards; the inlet at the upper side of the second end of the delivery pipe passing through the lower side of the storage chamber and connecting to valve two; and the outlet at the lower side of the second end of the delivery pipe connecting to valve three; the delivery pump is arranged outside the fixed cylinder and in contact with the water in the aquarium, the output end of the delivery pump being connected to the delivery pipe for pumping water from the aquarium into the delivery pipe, so that the fish food in the delivery pipe is transported into the aquarium in a parabolic manner under the action of water flow, prolonging the slow sinking time of the fish food in the water.

The utility model discloses an incubation fish tank with a filtering function, which comprises a tank body, a fish culture area and an incubation area are arranged in the tank body, a separating partition plate is arranged in the incubation area to divide the incubation area into a female fish area and a roe area which are distributed up and down, and a plurality of through holes for roes to pass through are arranged on the separating partition plate. The female fish area and the roe area are communicated with the fish culture area, isolation plates for blocking the female fish area, the fish culture area, the roe area and the fish culture area are detachably arranged in the tank body, after female fishes in the female fish area lay eggs, roes enter the roe area through the through holes to be hatched into juvenile fishes, the isolation plates are taken out after the juvenile fishes reach the length, and the female fishes and the juvenile fishes enter the fish culture area through the channels. Compared with the prior art, the fish hatching device has the advantages that after fish eggs are hatched into small fishes, the small fishes and adult fishes do not need to be separated specially, female fishes and juvenile fishes in the hatching area can enter the fish culture area only by pulling out the isolation plate after the small fishes grow up, and operation is easy and convenient.

The invention discloses an ecological fish tank control system integrating ESP32S3CAM visual identification and intelligent nourishing. The system comprises an ESP32S3CAM microcontroller, an environment monitoring module, an automatic control module and a user interaction module. Camera data is processed through a visual recognition algorithm to obtain turbidity, fish behavior abnormal states and illumination intensity, and the microcontroller is linked with the automatic control module according to the turbidity, the fish behavior abnormal states and the illumination intensity to realize intelligent nourishing and regulation and control of water quality maintenance, light supplement and abnormal alarm; according to the invention, by introducing the camera module and integrating visual identification algorithms such as turbidity detection, fish abnormal behavior identification and illumination intensity calculation, multi-dimensional perception of water body clarity, fish activity state and illumination environment is realized; therefore, the problem of visual perception deficiency caused by the fact that a traditional intelligent fish tank system depends on a physical sensor is solved, and the monitoring capability of the system is expanded to a comprehensive state including biological behaviors from a single environment parameter.

The utility model relates to the technical field of cultivation equipment, in particular to a fish and vegetable symbiotic cultivation frame which comprises a fish tank, a vegetable frame is fixedly connected to the top of the fish tank, a circulation assembly is arranged in the vegetable frame and comprises a supporting plate, inserting holes and a connecting pipe, the supporting plate is fixedly connected to the interior of the vegetable frame, the inserting holes are formed in the supporting plate, and the connecting pipe is connected with the fish tank. The connecting pipe is fixedly connected between the vegetable rack and the fish tank, and a driving assembly is arranged on one side of the fish tank and comprises a water tank, a telescopic motor, a piston, a water suction pipe and a water drainage pipe; the fish tank is used for fish culture, the vegetable frame is used for vegetable planting, water in the fish tank can carry fish manure to enter the vegetable frame under starting of the telescopic motor, the filter element filters the water in the vegetable frame, the fish manure is left on the vegetable frame, the purified water flows back to the fish tank, and the water in the fish tank can achieve a good purification effect by repeating the steps. And the vegetables in the vegetable rack can be fully supplied with nutrients.

The invention discloses a marine ranch fish tank culture platform and a construction method thereof, and relates to the technical field of fish tank culture platforms. The marine ranch fish tank culture platform comprises a fish tank main body, and the fish tank main body comprises a plurality of layers of mutually connected platform structures and at least comprises a bottom buoyancy tank layer, a middle void cabin layer, a top buoyancy tank layer and an upper construction area layer which are arranged in sequence; each platform structure comprises a plurality of subsection structures which are connected with one another, the bottom buoyancy tank layer and the top buoyancy tank layer are arranged in a surrounding mode, the middle void cabin layer further comprises isolation assemblies, the subsection structures of the middle void cabin layer are arranged at intervals, and the isolation assemblies are connected between the adjacent subsection structures of the middle void cabin layer. And a culture space in the middle void cabin layer is separated. The method of component prefabrication, segmented construction, layered closure (small closure) and integral hoisting (large closure) is adopted, the ground prefabrication depth is increased as much as possible, and the effect of reducing the workload of high-altitude operation is achieved.

1. The name of the product of this design: Fish Tank (I). 2. Purpose of this design product: This design product is used for fish farming. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the key points of the design: 3D drawing of Design 1. 5. The bottom surface of the product with this appearance design is a part that is not easy to see or cannot be seen when in use, so the top view of design 1 is omitted; the bottom surface of the product with this appearance design is a part that is not easy to see or cannot be seen when in use, so the top view of design 2 is omitted. 6. Designate Design 1 as the base design. 7. Design 2 stereogram shows that the cylinder body at A is made of transparent material.

The utility model is applicable to the technical field of fish tanks, and provides a filtering oxygenation device based on a vacuum water pump, which comprises a sealed tank body, a vacuum water pump, a filtering oxygenation component and a connecting component, the tank body is provided with a water outlet and a water inlet, and the vacuum water pump is arranged outside the tank body. One end of the vacuum water pump is connected with the water inlet of the cylinder body, the other end of the vacuum water pump is connected with the filtering and oxygenating assembly, and the connecting assembly is connected with the filtering and oxygenating assembly and the water outlet of the cylinder body. The utility model further provides a fish culture system which comprises an automatic feeding device, an internal and external air pressure self-balancing device, an auxiliary oxygenation device, a heating device and the filtering oxygenation device at least based on the vacuum water pump. Therefore, automatic filtering and oxygenation of the fish tank are achieved.

The invention relates to the field of aquarium equipment, in particular to a multifunctional aquarium ornamental lamp, and aims to solve the problems that an aquarium ornamental lamp in the prior art is single in function and cannot feed automatically and uniformly, the following scheme is provided: the multifunctional aquarium ornamental lamp comprises a mounting frame and a feeding mechanism mounted on the mounting frame; the mounting frame comprises two rails used for being connected to the edge of the fish tank in a clamped mode and a mounting plate connected to the tops of the rails in a sliding mode, a lighting lamp is mounted on the bottom face of the mounting plate, and locking assemblies are mounted on the rails; and the feeding mechanism comprises a material tank mounted on the top surface of the mounting plate and a feeding assembly mounted on the bottom surface of the mounting plate. By arranging the feeding mechanism, feed can be conveniently fed regularly and quantitatively, the feed can be evenly scattered to the water surface of the fish tank when the feed is put, the uniformity of feed putting is improved, and the probability of snatching for feed is remarkably reduced.

The utility model is applicable to the technical field of fish tanks, and provides a sealed fish culture system which comprises a sealed tank body, a filtering oxygenation device and an automatic feeding device, the tank body is provided with a water outlet and a water inlet, the filtering oxygenation device is provided with a centrifugal pump, a first connecting assembly, a four-way connector, a filtering assembly and an oxygenation assembly, and the centrifugal pump is connected with the first connecting assembly. The four-way connector is provided with three connecting ports, one connecting port of the four-way connector is connected with the first connecting assembly, one connecting port of the four-way assembly is connected with the oxygenation assembly, the other connecting port of the four-way connector is connected with one end of the filtering assembly, and the other end of the filtering assembly is connected with the water inlet; or the filtering oxygenation device is provided with a vacuum water pump, a filtering oxygenation assembly and a second connecting assembly, one end of the vacuum water pump is connected with the water inlet, the other end of the vacuum water pump is connected with the filtering oxygenation assembly, and the second connecting assembly is connected with the water outlet. Therefore, automatic filtering, feeding, ventilating and heating are achieved, and pollution discharge, water change and fish change are facilitated.