Abstract: The present disclosure relates to the technical field of aquarium equipment. Disclosed is an aquarium that includes a tank, an electric device disposed in the tank, a first conductive contact configured to be coupled to an external power source, and a second conductive contact coupled to the electric device. The first conductive contact is configured to come into contact with the second conductive contact to power up the electric device.

Abstract: Disclosed is an aquarium that includes a tank, a magnetic induction transmission apparatus, and a first electric equipment disposed in the tank. The magnetic induction transmission apparatus includes a driving module and a receiving module. The driving module is disposed outside the tank and adjacent to a tank wall of the tank and is configured to be separable from the tank, and the receiving module is disposed on the tank wall of the tank and disposed corresponding to a position of the driving module. The driving module is connected to an external power source. The receiving module is connected to the first electric equipment and is operative to generate an induced current when the driving module is powered on.

Abstract: Provided is an aquarium that includes a tank, a magnetic induction driving module, a magnetic induction power generation module, and an electric device disposed in the tank. The magnetic induction driving module is disposed outside the tank. The magnetic induction power generation module is disposed inside the tank adjacent to the magnetic induction driving module. The magnetic induction driving module is coupled to an external power source. The magnetic induction power generation module includes a magnetic induction generator, which includes a rotor assembly and a power generation induction coil which is wound around an exterior of the rotor assembly and which is coupled to the electric device. When the magnetic induction driving module is powered on, the rotor assembly is operative to rotate relative to the power generation induction coil, enabling the power generation induction coil to generate an induced current to power up the electric device.

Abstract: An aquarium includes a tank body and a water pump, wherein the water pump includes a stator and a rotor and the tank body includes a tank wall; a rotor chamber arranged at one side of the tank wall close to inside of the tank body and configured to accommodate the rotor; a rotation shaft configured to support the rotor and arranged in the rotor chamber; an impeller configured to connect with the rotor and arranged in the rotor chamber; and a stator chamber configured to accommodate the stator, arranged at one side of the tank wall close to outside of the tank body and arranged corresponding to the rotor chamber so that the stator can drive the rotor.

Abstract: A cross-flow type flow-making water pump is provided, including a motor, two impeller and impeller housings. The cross-flow type flow-making water pump further includes clamping assemblies. The clamping assemblies are used for connecting the motor with the impellers. The clamping assemblies include clamping heads and clamping seats. The clamping heads are arranged at the ends, which are connected with motor rotating shaft, of the impellers. The clamping heads include at least two clamping sheets symmetrically arranged along axial directions of the impellers. The clamping seats are respectively arranged on the motor rotating shaft in a sleeving manner. Connection between the motor rotating shaft and the impellers is realized through clamping of the clamping sheets and the clamping seats.

Abstract: A water pump motor and a water pump are disclosed. The water pump motor includes a stator and a rotor. A through hole is disposed in the rotor along an axial direction of the rotor. A rotation shaft inserted in the through hole. A rotor housing is disposed between the rotor and the stator. At least one shaft sleeve is sleeved on the rotation shaft, disposed in the through hole of the rotor and made of flexible material.

Abstract: Provided is a magnetic pump that includes an isolation hood, an electric motor, a first rotating magnet, a second rotating magnet, and a pump body. The isolation hood includes a first mounting position and a second mounting position which are isolated and sealed from each other. The electric motor and the second rotating magnet are both disposed on the first mounting position, while the first rotating magnet and the pump body are both disposed on the second mounting position. Further provided is a water pumping device that includes a magnetic pump and a box filled with a liquid to be transported. The magnetic pump is arranged on the box, the magnetic pump being the magnetic pump described above. Further provided is a method for using a magnetic pump, which can prevent contact between a power cable of the electric motor and the liquid inside the box.

Abstract: A water pump includes a pump body, a pump house with a water inlet and a water outlet, and a pump seat is provided. A circular mounting hole penetrating the pump seat is disposed in the pump seat, an annular mounting stage sheathed in the mounting hole is disposed at one end of the pump body, when the mounting stage disposed at one end of the pump body is inserted into the mounting hole, the pump body is configured to rotate around an axis of the mounting hole relative to the pump seat when the mounting stage disposed at the one end of the pump body is inserted into the mounting hole, and the pump house is disposed at one side of the pump seat away from the pump body and is connected with the pump body.

Abstract: Provided are a water quality purification device, and a water purifier and an aquarium that use the water quality purification device. The water quality purification device includes a component filled with a micro-electrolysis catalyst and a biological filtration component that are connected in series. By utilizing a micro-electrolysis technology, pollutants in water are preprocessed and the biodegradability of the water is improved. A water body processed by the micro-electrolysis catalyst enters the biological filtration component, which can greatly improve the purification efficiency of the biological filter bed. Working together with an adsorption electrode, this structure can effectively stabilize the water quality in the aquarium and greatly reduce the required times of changing water.

Abstract: Disclosed is a pet water dispenser, including: a drinking tray, disposed above a water storage tank; and a water pump, configured to pump drinking water in the water storage tank to the drinking tray.

Abstract: An aquarium includes a tank body and a water pump, wherein the water pump includes a stator and a rotor and the tank body includes a tank wall; a rotor chamber arranged at one side of the tank wall close to inside of the tank body and configured to accommodate the rotor; a rotation shaft configured to support the rotor and arranged in the rotor chamber; an impeller configured to connect with the rotor and arranged in the rotor chamber; and a stator chamber configured to accommodate the stator, arranged at one side of the tank wall close to outside of the tank body and arranged corresponding to the rotor chamber so that the stator can drive the rotor.

Abstract: Provided are a power generation apparatus and an aquarium equipment. The power generation apparatus includes a water pump and a magnetic induction generator. The water pump includes a housing, a stator mounted in the housing, a first rotor assembly, and an impeller connected to the first rotor assembly. The first rotor assembly includes a first permanent magnet rotor and a first rotating shaft disposed at an axis of the first permanent magnet rotor. The first permanent magnet rotor is disposed adjacent to the stator. The magnetic induction generator is disposed adjacent to the stator or to the first permanent magnet rotor and is operative to be coupled to an electric device. The stator includes a coil winding operative to be coupled to an external power source, so that when the coil winding is coupled to an input alternating current, the first permanent magnet rotor rotates enabling the magnetic induction generator to generate an induced current to power up the electric device.

Abstract: Provided is a magnetic pump that includes an isolation hood, an electric motor, a first rotating magnet, a second rotating magnet, and a pump body. The isolation hood includes a first mounting position and a second mounting position which are isolated and sealed from each other. The electric motor and the second rotating magnet are both disposed on the first mounting position, while the first rotating magnet and the pump body are both disposed on the second mounting position. Further provided is a water pumping device that includes a magnetic pump and a box filled with a liquid to be transported. The magnetic pump is arranged on the box, the magnetic pump being the magnetic pump described above. Further provided is a method for using a magnetic pump, which can prevent contact between a power cable of the electric motor and the liquid inside the box.

Abstract: Provided is a pet case. The pet case includes at least two case bodies fitted together. Two adjacent case bodies of the at least two case bodies are communicated to each other, a first connector is arranged between the two adjacent case bodies, and the first connector is connected to a side plate of each of the two adjacent case bodies. The at least two case bodies are combined to form the pet case through the first connector, which may increase the space of the pet case on the basis of effectively using the original pet case, avoid a situation that the original pet case is abandoned due to the sufficiency of space in the pet case and the replacement of a new pet case, and increase utilization ratio of the original pet case.

Abstract: Provided is a liquid level alarm device for a water filter including an alarm assembly and a liquid level detecting device. The liquid level detecting device is electrically connected to the alarm assembly and arranged in a water tank of the water filter. The alarm assembly is arranged on the water tank. The liquid level detecting device is configured to, in condition that a liquid level in the water tank rises to a preset height, send a liquid level warning signal to drive the alarm assembly to send an alarm signal. By arranging the liquid level detecting device in the water tank of the water filter, the liquid level in the water tank is detected by the liquid level detecting device. When the liquid level in the water tank of the water filter reaches the preset height, the liquid level detecting device sends a driving signal to drive the alarm assembly to send an audible and visual alarm signal.

Abstract: Provided are a water quality purification device, and a water purifier and an aquarium that use the water quality purification device. The water quality purification device includes a component filled with a micro-electrolysis catalyst and a biological filtration component that are connected in series. By utilizing a micro-electrolysis technology, pollutants in water are preprocessed and the biodegradability of the water is improved. A water body processed by the micro-electrolysis catalyst enters the biological filtration component, which can greatly improve the purification efficiency of the biological filter bed. Working together with an adsorption electrode, this structure can effectively stabilize the water quality in the aquarium and greatly reduce the required times of changing water.

Abstract: The present disclosure provides a catalyst filler for purifying water in aquariums and a preparation method and a use thereof. The catalyst filler comprises iron element, carbon element, nickel element and rare earth element; in which the contents of each element in the catalyst filler by mass percent are: iron element 30 wt %-70 wt %; carbon element 20 wt %-50 wt %; nickel element 1 wt %-10 wt %; rare earth element 0.1 wt %-2 wt %. The catalyst filler of the present disclosure, in the use environment, can result in generation of hydroxyl groups and dissociation to micro-element ions, which can degrade nitrites, organic amines and organic sulfides in water bodies, and convert phosphoric acid into precipitates. The organic molecules treated by hydroxyl groups are more easily utilized by denitrifying bacteria, thereby increasing efficiency of denitrification-denitrogenation and purifying the water.

Abstract: Disclosed are a control circuitry and control method applied to a pumping device, the pumping device, and aquarium equipment. The pumping device is used for pumping water and air. The control circuitry includes: a detection and feedback circuit that obtains a working state of the pumping device and transmits the working state to a signal processing circuit; the signal processing circuit that adjusts in real time a drive signal to be sent to a power drive circuit according to the working state information; and the power drive circuit that drives a motor in the pumping device to operate according to the drive signal. The motor is controlled to operate at a first rotational speed in a water pumping state, and to operate at a second rotational speed in an air pumping state, where the first rotational speed is lower than the second rotational speed.

Abstract: Disclosed is an aquarium that includes a tank, a magnetic induction driving module, a magnetic induction power generation module, and an electric device disposed in the tank. The magnetic induction driving module is disposed outside the tank adjacent to a tank wall of the tank. The magnetic induction power generation module is disposed inside the tank adjacent to the magnetic induction driving module. The magnetic induction driving module is coupled to an external power source. The magnetic induction power generation module includes a magnetic induction generator, which includes a rotor assembly and a power generation induction coil which is wound around an exterior of the rotor assembly and which is coupled to the electric device. When the magnetic induction driving module is powered on, the rotor assembly is operative to rotate relative to the power generation induction coil, enabling the power generation induction coil to generate an induced current to power up the electric device.

Abstract: Provided are a power generation apparatus and an aquarium equipment. The power generation apparatus includes a water pump and a magnetic induction generator. The water pump includes a housing, a stator mounted in the housing, a first rotor assembly, and an impeller connected to the first rotor assembly. The first rotor assembly includes a first permanent magnet rotor and a first rotating shaft disposed at an axis of the first permanent magnet rotor. The first permanent magnet rotor is disposed adjacent to the stator. The magnetic induction generator is disposed adjacent to the stator or to the first permanent magnet rotor and is operative to be coupled to an electric device. The stator includes a coil winding operative to be coupled to an external power source, so that when the coil winding is coupled to an input alternating current, the first permanent magnet rotor rotates enabling the magnetic induction generator to generate an induced current to power up the electric device.