4results about How to "Strong current" patented technology

The utility model discloses a double runner channel swimming pool robot, including swimming pool robot body, swimming pool robot body is provided with the inner chamber, and the lower part or side is provided with the travelling mechanism, and the garbage storage device is arranged in the inner chamber of the body, and its lower part is provided with the garbage storage mouth, and the side or / and top is provided with the filter screen, the drain is placed in the top or / and side of the body, and the drain is intercommunicated with the inner chamber, the first water inlet is intercommunicated with the garbage storage mouth, and the second water inlet is arranged at the bottom of swimming pool robot body, and the inner chamber side wall is equipped with the inner chamber water inlet, and the second water inlet is intercommunicated with the inner chamber through the inner chamber water inlet, through the second runner channel of additional, and the second runner channel does not pass through the garbage collection device, thereby making the water flow of the second runner channel more powerful, guaranteeing the posture of swimming pool robot when climbing wall, preventing its appearing the risk such as head up, falling, increasing the stability of swimming pool robot.

The present invention relates to a thermoelectric generator, and more specifically, to a thermoelectric generator that acts on the thermoelectric properties of a gradient bandgap structure, i.e., the properties of a gradient bandgap semiconductor with alternating dopants and the properties of a heterojunction therebetween, and the properties of an intrinsic semiconductor material, and can be used in particular for powering household appliances and charging power supply elements of portable electronic devices. The semiconductor thermoelectric generator of the present invention includes a semiconductor component configured to be able to extract heat from the surrounding environment, the semiconductor component comprising at least one pair of interconnected gradient bandgap semiconductors, wherein the wide bandgap side of at least one gradient bandgap semiconductor is connected to the narrow bandgap side of at least one other gradient bandgap semiconductor. The junction between the gradient bandgap semiconductors is configured using an intrinsic semiconductor material, the gradient bandgap semiconductors are configured using alternating dopants, wherein the wide bandgap sides of the paired connected gradient bandgap semiconductors are doped with acceptor impurities. The technical achievement of the present invention is to improve the efficiency, power and output of the thermoelectric generator and expand the functionality of the thermoelectric generator.

The invention relates to a multifunctional tooth cleaning device which comprises a base, a negative pressure suction device, a flushing fluid placing bottle, a pressurizing water pump and a tooth cleaning head, a negative pressure suction device, a flushing fluid placing bottle and a pressurizing water pump are mounted on the base, a water inlet of the pressurizing water pump is communicated with the flushing fluid placing bottle, and a water outlet of the pressurizing water pump is communicated with the tooth cleaning head; the negative pressure suction device is communicated with the tooth cleaning head; one end of the handle is respectively provided with a suction port and a flushing port, the suction port is connected with a negative pressure suction device through a conduit, the flushing port is connected with a booster pump through a conduit, and the other end of the handle is connected with a brush head; the brush head comprises a body, bristles and a suction hose, multiple rows of bristles are arranged on the two side faces and the upper face of the interior of the body, a nozzle is arranged between every two adjacent bristles, and a spiral flow channel is formed in the inner wall of each nozzle; the flow channel is communicated with the flushing opening, and the pipe diameter of the flow channel is gradually reduced in the direction pointing to the nozzle outlet; a row of suction hoses are connected to the arc-shaped surfaces on the two sides in the body respectively, and the suction hoses are communicated with the suction opening.