Abstract: Disclosed is an ultraviolet light disinfection apparatus mounted on a water pipe that is connected to a massage pool. The ultraviolet light disinfection apparatus comprises: a housing mounted on the water pipe and in closed connection with the water pipe; a PCB disposed inside the housing and provided with a UVC-LED light source and a wire, the wire protruding from the housing to connect to the power source; an ultraviolet light-transmitting body disposed on the housing, such that ultraviolet light at UVC wavelength range produced by the UVC-LED light source can enter into water body inside the water pipe through the ultraviolet-transmitting body. The present invention can disinfect the water body inside the water pipe. Also provided are a control box and a massage pool.

Abstract: The utility model discloses an inflatable product with a light-emitting positioning structure, including: a main body provided with an inflation chamber inside, and an external bin disposed on the main body, and configured to receive a luminous body; wherein the luminous body received in the external bin can be fixed relative to the external bin when the inflation chamber is in an inflated state; and the external bin and/or the main body can transmit light.

Abstract: This present invention relates to an electric fin and a water sports instrument, wherein the electric fin comprises a housing extending along a first direction and having a water inlet cavity; and a propeller and a guide member sequentially arranged in the first direction, wherein the propeller is located in the water inlet cavity, at least part of the guide member is located in the water inlet cavity, the water flow in the water inlet cavity flows out of the guide member; the propeller is provided with a propeller shaft and a plurality of blades, the propeller shaft extends in the first direction, and the plurality of blades are spaced around a circumference of the propeller shaft; the guide member is provided with a guide shaft and a plurality of flow deflectors, the guide shaft extends in the first direction and the plurality of flow deflectors are spaced around a circumference of the guide shaft; the propeller shaft and the guide shaft having an outer contour S with a taper which gradually decreases along

Abstract: A biofilm composition includes a biofilm encapsulated within an encapsulant. In one or more embodiments, the biofilm includes a support material and a community of microorganisms. In one or more of these embodiments, the material supporting the biofilm includes biochar or powdered activated carbon. The composition may be used to treat wastewater.

Abstract: Disclosed in the present invention is a pipeline structure of a pool body. The pool body comprises a hard pool body accommodation cavity and a soft pool body accommodated in the hard pool body accommodation cavity, and an annular cavity is formed between the soft pool body and the hard pool body accommodation cavity; and the pipeline structure comprises pipeline branch pipes, wherein at least some of the pipeline branch pipes are accommodated in the annular cavity, and the pipeline branch pipes comprise a plurality of multi-way hard pipes and hoses, adjacent multi-way hard pipes being connected by means of the hoses, and a plurality of nozzles being provided on the multi-way hard pipes. The pipeline structure of the present invention does not abut against an outer side of the pool body and cause the pool body to bulge. Further disclosed in the present invention is a pool body.

Abstract: The present invention discloses a bathtub, including a hard pool body receiving cavity extending in a longitudinal direction, wherein the hard pool body receiving cavity is enclosed by a plurality of fences detachably connected in a circumferential direction and/or the longitudinal direction, and the circumferential direction surrounds the longitudinal direction; and a soft pool body having an opening, including a water receiving cavity and a connecting portion, wherein the water receiving cavity extends along the longitudinal direction, a longitudinal top end of the water receiving cavity has the opening, the connecting portion extends outwardly from the longitudinal top end of the water receiving cavity, the water receiving cavity of the soft pool body is received in the hard pool body receiving cavity, and the connecting portion of the soft pool body is detachably connected to a longitudinal top end of the hard pool body receiving cavity.

Abstract: Disclosed in the present invention is a water circulation pipeline, comprising: an interface pipeline, the interface pipeline comprising a first pipeline and a second pipeline, one of the first pipeline and the second pipeline being provided with water inlets, and the other being provided with a water outlet, the water inlets and the water outlet being used for being connected to a water pool body, the second pipeline being nested in the first pipeline; and a pipeline body having a third pipeline, a first port of the third pipeline being in communication with the first pipeline, and a second port of the third pipeline being in communication with the second pipeline. The present invention can reduce the volumes of the water circulation pipeline and a control box. Also disclosed in the present invention are a control box and a massage water pool.

Abstract: The utility model discloses an inflatable product with a light-emitting positioning structure, including: a main body provided with an inflation chamber inside, and an external bin disposed on the main body, and configured to receive a luminous body; wherein the luminous body received in the external bin can be fixed relative to the external bin when the inflation chamber is in an inflated state; and the external bin and/or the main body can transmit light.

Abstract: An inflation system, a massage pool air supply system, and an inflation method.

Abstract: The invention discloses a pool body, including: a pool inner wall including a side wall and a bottom wall which are connected, the side wall and the bottom wall of the pool inner wall forming a water holding cavity for storing a fluid; an additional chamber arranged on the pool inner wall; and an additional pipeline built into the additional chamber. The invention can save the space in the pool.

Abstract: The invention discloses a water filtration system, including: a circulation pump including a water inlet and a water outlet, the circulation pump being a low voltage direct current water pump; and a water passing pipeline connected at one end to the water inlet of the circulation pump and at the other end to a secondary water suction port, the secondary water suction port being used for sucking fluid stored in a water holding cavity. The water filtration system of the present invention has higher efficiency, higher pressure and a smaller volume than the traditional alternating current pump. The present application also provides a pool body.

Abstract: An underwater thruster with improved guide stability and increased kinetic energy utilization rate comprises a power part and a propeller, wherein the power part is provided upstream of the propeller for driving the propeller to rotate. The underwater thruster further comprises a diversion part which is provided between the water inlet part and the water outlet part and is connected with the water inlet part and the water outlet part respectively in a plug-in manner, to uniformly disperse water entering the water inlet part to blades of the propeller.

Abstract: Provided herein is a heater and a heating pool. The heater comprises a heating core that includes a first surface and a second surface arranged on the opposite side of the heating core. A first insulating housing is placed on the first surface and forms a first heat insulating chamber together with the first surface. The second insulating housing is placed on the second surface and forms a second heat insulating chamber together with the second surface, wherein the first heat insulating chamber and the second heat insulating chamber communicate with each other. The heater of the utility model has good insulation performance and can prevent the occurrence of electrical leakage, so that the safety performance of the heater is improved.

Abstract: A paddle board, comprising a paddle board body (10) comprising an upper surface (11) and a lower surface (11a), wherein the lower surface of the paddle board body is a surface which comes into contact with the water, the upper surface of the paddle board body comprises a first region (11) and a second region (12). In the direction from the upper surface to the lower surface, the second region is lower than the first region, wherein the first region can be for the user to stand and the second region can be for user to sit. By means of the paddle board, the user can paddle when standing on the paddle board, and can also paddle when sitting on the paddle board, such that the user experience is good.

Abstract: Disclosed is an ultraviolet light disinfection apparatus mounted on a water pipe that is connected to a massage pool. The ultraviolet light disinfection apparatus comprises: a housing mounted on the water pipe and in closed connection with the water pipe; a PCB disposed inside the housing and provided with a UVC-LED light source and a wire, the wire protruding from the housing to connect to the power source; an ultraviolet light-transmitting body disposed on the housing, such that ultraviolet light at UVC wavelength range produced by the UVC-LED light source can enter into water body inside the water pipe through the ultraviolet-transmitting body. The present invention can disinfect the water body inside the water pipe. Also provided are a control box and a massage pool.

Abstract: Disclosed in the present invention is a water circulation pipeline, comprising: an interface pipeline, the interface pipeline comprising a first pipeline and a second pipeline, one of the first pipeline and the second pipeline being provided with water inlets, and the other being provided with a water outlet, the water inlets and the water outlet being used for being connected to a water pool body, the second pipeline being nested in the first pipeline; and a pipeline body having a third pipeline, a first port of the third pipeline being in communication with the first pipeline, and a second port of the third pipeline being in communication with the second pipeline. The present invention can reduce the volumes of the water circulation pipeline and a control box. Also disclosed in the present invention are a control box and a massage water pool.