Abstract: A pool with an elliptical frame is disclosed. The pool includes a support frame (A) and a flexible pool liner (B) which is supported by the support frame (A) and is used for containing water. The support frame (A) includes a horizontal and substantially elliptical upper frame (1). A plurality of vertical support members (2) and oblique support members (3) are used for supporting the upper frame (1). Two opposite ends of the upper frame (1) are arranged two opposite arcuate frames (11) along the major axis direction of the elliptical upper frame. Two opposite parallel straight frames (12) having the same length are respectively coupled between the two arcuate frames (11). The arcuate frames (11) and the straight frames (12) form the closed upper frame (1). The wall-mounted filtration apparatus is arranged on the pool using the connecting threads (710) positioned on the water outlet (128) of the pool.

Abstract: A pool apparatus configured to carry liquids has a side wall and a bottom surface. The side wall has a plurality of structure drawstrings, an outer side wall, and an inner side wall. Two sides of the structure drawstrings draw respectively the outer side wall and the inner side wall, so as to maintain a predetermined shape of the pool apparatus. The structure drawstrings include a main drawstring portions and at least two branch drawstring portions. The main drawstring portions have a first main string side configured to connect a first branch drawstring side of the at least two branch drawstrings. A second branch string side of the at least two branch drawstrings connects respectively to different positions of the outer side wall and the inner side wall.

Abstract: A pool pump is provided which includes a housing, and a control panel arranged on the housing, with a control unit connected to the control panel to form a capacitive touch control. The housing may be provided with at least one accommodation cavity, the control panel is arranged in a flippable manner at the housing, and the control panel and the end cover are in a horizontal position and at least one preset angle position. The pool pump is detachably connected to a pool pump cover, which includes: a cover body; a base connected to the cover body; and at least one functional device arranged on the cover body for implementing communication, electrical charging and music play. The pool pump adopts a pool control system for a massage pool unit of an inflatable pool, including an intelligent controller configured to generate multiple water circulation modes.

Abstract: A pipeline system of an inflatable SPA is provided. The pipeline system includes an air inlet pipeline; a water inlet pipeline, distributed along a circumferential direction of the inflatable SPA; and a plurality of jets for massage, where each of the plurality of jets includes a first water inlet, a first air inlet and an air-liquid mixing outlet, the first air inlet is connected with the air inlet pipeline, the first water inlet is connected with the water inlet pipeline, and air and water can be mixed in each of the plurality of jets and sprayed from the air-liquid mixing outlet. The water with bubbles can be sprayed into pool cavity surrounded by an inner pool wall of the inflatable SPA, which can play a massage effect on users.

Abstract: A water valve and a pool are provided. The water valve includes a valve body having a first channel; and a valve plate having a valve plate opening and configured to control opening or closing of the first channel by sliding; when the valve plate is in a first position, the valve plate opening is aligned with the first channel and water can flow through the first channel, the water valve is opened; when the valve plate is in a second position, the first channel is blocked by the valve plate, the water valve is closed. The pool includes a water inlet part connected with a pool wall and the water valve detachably connected with the water inlet part. The water valve is simple in operation, has good sealing performance and switch function of the water valve and disinfection function of the chemical dispenser, thereby improving the water valve's performance.

Abstract: A grounding detection apparatus, a control method thereof and a pool system are provided. The grounding detection apparatus includes a detection circuit, which includes a live line connection terminal, a neutral line connection terminal, a grounding terminal, a first impedance circuit, a sampling resistance, a differential amplifying circuit and a comparison unit; a first terminal of the first impedance circuit is connected with the live line connection terminal; a second terminal of the first impedance circuit is connected with a first terminal of the sampling resistance and a first input terminal of the differential amplifying circuit; the sampling resistance is configured to convert a sampling current to a sampling voltage; the differential amplifying circuit is configured to amplify the sampling voltage to form an amplified sampling voltage; and the comparison unit is configured to compare a threshold voltage and the amplified sampling voltage and output a comparison result.

Abstract: A children's entertainment device with a water slide is provided, including: a water slide having a first chamber; and a first water spray pipe provided with a plurality of first water spray holes; wherein the water slide includes an upper sheet and a lower sheet, an edge of the upper sheet and an edge of the lower sheet are jointed to form the first chamber for containing water or air, the edge joint of the upper sheet and the lower sheet defines an outer boundary of the water slide, there is no connection of the upper sheet and the lower sheet within the outer boundary so as to form a flat and smooth surface of the upper sheet for sliding; and the first water spray pipe is connected with the edge joint of the upper sheet and the lower sheet or disposed on the upper sheet of the water slide.

Abstract: A method of making an aquaplane is provided. The method includes flattening a fabric layer and a bottom layer with a waterproof characteristic, where the pull-string layer has a first pull-string layer, a second pull-string layer and multiple pull lines, one end of the pull line holds the first pull-string layer, and the other end of the pull line holds the second pull-string layer; using a roller laminates the fabric layer, the pull-string layer and the bottom layer, where a portion surface of the fabric layer and the bottom layer are melted, and respectively mixed with the surface gluing of the first pull-string layer and the second pull-string layer to produce a fixed microstructure; and cutting a shape of the aquaplane from the lamination of the fabric layer, the pull-string layer, and the bottom layer.

Abstract: An air pump control system includes an air pump for inflating or deflating an inflatable body; a switching driving device connected to the air pump for driving the switching between two or more air passages; and an air pressure sensor for detecting an internal air pressure value of the inflatable body, and sending an internal pressure signal to a central control unit, which is connected to the air pump, the switching driving device, and the air pressure sensor. The central control unit sends a driving signal to the switching driving device to activate the switching between the air passages, and sends an activation or deactivation signal to the air pump according to the detected internal air pressure value and a pre-set inflating air pressure value, to control the activation or deactivation of the air pump. An air pump control method adapted to the above air pump control system is provided.

Abstract: Disclosed is a water flow control device for swimming training that includes a swimming training device and a main water inlet pipe and a main water outlet pipe. The swimming training device includes at least a swimming pump. The main water inlet pipe and the main water outlet pipe are connected with the swimming pump. The water inlet of the main water inlet pipe is communicated with a swimming pool and a water outlet of the main water outlet pipe is connected with a jet nozzle. A filter device includes at least a filter pump, a filter sterilization device. A filter water inlet pipe and a filter water outlet pipe are connected with the filter pump. The filter water inlet pipe is communicated with the swimming pool through the filter sterilization device and the filter water outlet pipe communicated with the main water inlet pipe.

Abstract: A built-in electric air pump for an inflating object includes a pump casing, a switch hand-wheel, a connection pipe, an air passage switching device, an air pump, and an air valve and a power switch. The pump casing includes a box-shaped chamber. The switch hand-wheel is provided at an external lateral side of the panel. The air passage switching device is provided with an internal pipe having a first opening and a second opening respectively arranged at an upper end and a lower end of the internal pipe. The first opening communicates with outside of the inflating object, and the second opening communicates with the air valve. A diaphragm is provided inside the internal pipe. A first venting hole and a second venting hole are respectively provided on internal walls at two sections of the internal pipe above and below the diaphragm. An external sleeve is provided outside the internal pipe. The lower end of the external sleeve is fixedly connected to the pump casing.

Abstract: A pool cleaner including a first filter assembly and a second filter assembly is provided in the present disclosure. The first filter assembly includes a first housing defining a first chamber, where the first housing is provided with a first water inlet and a first water outlet; and a first filter device disposed in the first chamber configured to perform a first filtration to water from the first water inlet. The second filter assembly includes a second housing defining a second chamber provided with a second water inlet, the second water inlet is connected with the first water outlet; and a second filter device disposed in the second chamber configured to perform a second filtration to the first filtered water. The first housing is detachably connected with the second housing. The pool cleaner in the present disclosure has a good filtering effect and is easy to disassemble.

Abstract: A packaging system includes a packaging body defining an internal cavity, an auxiliary body disposed at least partially within the internal cavity, a wheel assembly receiving chamber disposed in the auxiliary body, a support plate joined to a bottom of the packaging body, and a wheel assembly including a wheel housing pivotally mounted to the support plate. A wheel is mounted to the wheel housing, the wheel assembly being selectively disposed in an operational position or a stowed position, wherein the wheel assembly is disposed substantially within the wheel assembly receiving chamber when the wheel assembly is disposed in the stowed position and wherein the wheel assembly is disposed at least partially substantially external to the wheel assembly receiving chamber when the wheel assembly is disposed in the operational position. The packaging system according to the present disclosure can facilitate the transportation without affecting the display, stacking, loading thereof.

Abstract: A sheathed frame includes a support frame comprised of a plurality of interconnected support components, a pool liner comprising a pool bottom and a pool wall connected to an outer edge of the pool bottom and extending upward, an upper edge of said pool wall hanging on said support frame and disposed on an inside of said support frame, and at least one sheath disposed on a junction between at least two of said plurality of interconnected support components. Sheaths are respectively provided at the junction of a horizontal side pipe and a T-shaped pipe joint of the frame pool and the junction of a support pipe and the T-shaped pipe joint.

Abstract: The present disclosure provides a human-powered entertainment device. The entertainment device includes an inflatable base and a paddling component which is connected with the inflatable base, wherein the paddling component is adapted to swing when a force is imposed thereon, so as to perform paddling in water to make the human-powered entertainment device move on water. Accordingly, the entertainment device of the present disclosure can be driven to move and low in cost.

Abstract: A PTC heater having a heat conductor, a first end cover, a second end cover, and a PTC heating element. The heat conductor includes a duct for accommodating a PTC heating element, a first liquid passage channel, and a second liquid passage channel. The first end cover is coupled to one end of the heat conductor and includes a first and a second compartment, a water inlet, and a water outlet. The water inlet is in fluid communication with the first compartment and the first liquid passage channel, and the water outlet is in fluid communication with the second compartment and the second liquid passage channel. The second end cover is coupled to the other end of the heat conductor. The first and second liquid passage channels are in fluid communication with each other via an internal space of the second end cover to form a closed liquid circulation channel.

Abstract: A frame pool having a plurality of vertical support tubes, a plurality of horizontal support tubes, a pool body comprising a pool bottom and a pool wall, and a reinforcing band having a continuous annular shape and provided between the inner side of the vertical support tubes and an outer surface of the pool wall. The reinforcing band entirely or partially covering the perimeter of the pool body and being fitted with the pool wall. A fixing band having a continuous annular shape is provided about an outer surface of the reinforcing band and of the vertical support tubes. At least one fixing device is fixedly coupled to the reinforcing band, wherein the fixing band passes through the fixing device.

Abstract: A pool apparatus configured to carry liquids has a side wall and a bottom surface. The side wall has a plurality of structure drawstrings, an outer side wall, and an inner side wall. Two sides of the structure drawstrings draw respectively the outer side wall and the inner side wall, so as to maintain a predetermined shape of the pool apparatus. The structure drawstrings include a main drawstring portions and at least two branch drawstring portions. The main drawstring portions have a first main string side configured to connect a first branch drawstring side of the at least two branch drawstrings. A second branch string side of the at least two branch drawstrings connects respectively to different positions of the outer side wall and the inner side wall.