Abstract: An underwater swimming aid includes a power device and a camera instrument fixing device, and the power device includes a propeller for providing power to drive the underwater swimming aid to advance and a connecting plate fixed to the propeller; and the camera instrument fixing device includes a mounting bracket and a fixing bracket, the mounting bracket is fixed to the connecting plate and is fixedly connected to the fixing bracket, and the fixing bracket is used for fixing a camera instrument. According to the underwater swimming aid, the camera instrument fixing device is fixed to an existing underwater swimming aid, and the camera instrument is mounted on the camera instrument fixing device, so that users can photograph underwater scenes while enjoying funs brought by the swimming aid.

Abstract: Disclosed are a fixing member in a waterproof case and a fixing member, wherein the fixing member is configured to fix an electronic device in the waterproof case and comprises: a main body having a shape adapting to a shape of an inner cavity of the waterproof case and assembled in the inner cavity of the waterproof case; and a fixing part arranged on the main body, which detachably installs and fixes the electronic device.

Abstract: An underwater cleaning robot system includes an underwater robot and an overwater control platform, the underwater robot includes a cleaning robot and a driving robot, and the cleaning robot is carried on the driving robot; and the cleaning robot includes a motor and a pump, the pump is connected to the motor and driven by the motor to generate high-pressure fluid, and the overwater control platform communicates with the cleaning robot and the driving robot to control the cleaning robot and the driving robot. The overwater control platform and the underwater robot are connected by a thin zero-buoyancy cable, and the working range is over 1000 meters.

Abstract: Disclosed is an underwater booster, comprising a cabin body (5), a first mounting structure of thruster (1) and a second mounting structure of thruster (8) symmetrically disposed on two sides of the cabin body (5); a first connecting structure (2) and a second connecting structure (7) symmetrically disposed on the two sides of the cabin body (5), wherein the first mounting structure of thruster (1) is connected with the cabin body (5) via the first connecting structure (2), and second mounting structure of thruster (8) is connected with the cabin body (5) via the second connecting structure (7); a handle is disposed on the first connecting structure (2) and the second connecting structure (7) for gripping, and an axis of the first mounting structure of thruster (1) is not parallel to an axis of the second mounting structure of thruster (8). The structure can improve user experience.

Abstract: A permanent magnet rotor structure for an underwater motor, an underwater motor and underwater equipment, related to the field of motors. The permanent magnet rotor structure for the underwater motor includes a rotor end cover; a plurality of permanent magnets arranged on an inner circumferential surface of the rotor end cover; a protective attachment structure arranged on surfaces of the plurality of permanent magnets; and an adhesive layer for adhering the protective attachment structure to the surfaces of the plurality of permanent magnets and covering the protective attachment structure. The permanent magnet rotor structure has characteristics of corrosion resistance and wear resistance, so that the service life of the underwater motor comprising the permanent magnet rotor structure can be prolonged.

Abstract: A sealing assembly for electronic components including a sealing seat and a sealing shell for mounting the electronic component. The sealing shell is received through an opening in the top of the sealing seat and into complementary mounting chamber. A left end of the sealing shell includes a first connection channel; a left end of the mounting chamber includes a second connection channel and a sealing gasket surrounding the second connection channel. A right end of the mounting chamber includes an elastic latch. After installing the sealing shell in the mounting chamber, the elastic latch laterally abuts the sealing shell's right end and is in a lateral compression position, and the first connection channel and the second connection channel are aligned and in sealing communication through the sealing gasket. The elastic latch includes a right backstop to prevent the sealing shell from being vertically detached from the mounting chamber.

Abstract: An underwater swimming aid includes a power device and a camera instrument fixing device, and the power device includes a propeller for providing power to drive the underwater swimming aid to advance and a connecting plate fixed to the propeller; and the camera instrument fixing device includes a mounting bracket and a fixing bracket, the mounting bracket is fixed to the connecting plate and is fixedly connected to the fixing bracket, and the fixing bracket is used for fixing a camera instrument. According to the underwater swimming aid, the camera instrument fixing device is fixed to an existing underwater swimming aid, and the camera instrument is mounted on the camera instrument fixing device, so that users can photograph underwater scenes while enjoying funs brought by the swimming aid.

Abstract: A sealing assembly for electronic components including a sealing seat and a sealing shell for mounting the electronic component. The sealing shell is received through an opening in the top of the sealing seat and into complementary mounting chamber. A left end of the sealing shell includes a first connection channel; a left end of the mounting chamber includes a second connection channel and a sealing gasket surrounding the second connection channel. A right end of the mounting chamber includes an elastic latch. After installing the sealing shell in the mounting chamber, the elastic latch laterally abuts the sealing shell's right end and is in a lateral compression position, and the first connection channel and the second connection channel are aligned and in sealing communication through the sealing gasket. The elastic latch includes a right backstop to prevent the sealing shell from being vertically detached from the mounting chamber.

Abstract: The present disclosure relates to a remotely operated underwater vehicle and a control method therefor. The remotely operated underwater vehicle comprises a body having an imaging unit and a control unit; a power unit disposed on the body; a beacon unit for being worn on a part of a user's body, wherein the beacon unit can emit a plurality of optical control signals with different brightness; and the control unit can control the power unit to respond according to the optical control signals collected by the imaging unit to adjust an action and a posture of the body.

Abstract: Disclosed is an ROV propeller tailhood comprising a body a control circuit board, a heat block, a thermal silica gel and long rod screws. The heat sink is fixed to the bottom of the control circuit board and disposed between the control circuit board and the body. The heat sink and the body are provided respectively with apertures that are matching with the long rod screws for fixing the heat sink to the body. The cooling silica gel is provided between the control circuit board and the heat sink.

Abstract: Provided is a propeller for a submersible, comprising a housing (1) having a cylindrical structure with two open ends, a stator sleeve (2) having a cylindrical structure with one open end, the stator sleeve suspended in an internal cavity of the housing (1), a motor stator (3) fixed inside the stator sleeve (2), a rotor sleeve (4) having a cylindrical structure with one open end and disposed on the stator sleeve (2), a motor rotor (5) fixed to an inner wall of the rotor sleeve (4), and a propeller (6) fixed to an outer wall of the rotor sleeve (4). The propeller (6) of the underwater propeller is directly fixed to the rotor sleeve (4) so that the structure of the motor is compact, and the rotational shaft transmission is not required so that the length of the propeller is shortened and the volume is reduced.

Abstract: The present disclosure relates to a remotely operated underwater vehicle and a control method therefor. The remotely operated underwater vehicle comprises a body having an imaging unit and a control unit; a power unit disposed on the body; a beacon unit for being worn on a part of a user's body, wherein the beacon unit can emit a plurality of optical control signals with different brightness; and the control unit can control the power unit to respond according to the optical control signals collected by the imaging unit to adjust an action and a posture of the body.