6results about How to "Guaranteed output efficiency" patented technology

The application provides an LED straight tube lamp, comprising: a lamp tube, the lamp tube comprising a diffusion coating covering the inner circumferential surface of the lamp tube; a lamp cap arranged at one end of the lamp tube; a lamp plate arranged in the lamp tube, the lamp plate being provided with a light source; a power supply, the power supply being in electrical communication with the light source through the lamp plate, the power supply comprising a circuit board and a power supply module arranged on the circuit board; the lamp plate is a flexible circuit board or a flexible substrate, the lamp plate having a part fixed on the inner circumferential surface of the lamp tube and a part located at both ends of the lamp plate and not fixed on the inner circumferential surface of the lamp tube, wherein the part not fixed on the inner circumferential surface of the lamp tube forms a free part, one end of the free part is deformed by being contracted towards the inside of the lamp tube, and the free part is directly welded to the circuit board of the power supply, the free part being an integral part of the flexible circuit board or the flexible substrate.

The utility model discloses a photovoltaic conversion assembly, a photovoltaic AC assembly and a photovoltaic system, and relates to the field of photovoltaic technology, and the photovoltaic conversion assembly comprises a micro inverter and a micro storage unit. The output end of the micro inverter is provided with a first connecting terminal and a second connecting terminal, the first connecting terminal is used for being connected with an adjacent photovoltaic module in parallel, and the second connecting terminal is used for being connected with electrical equipment or a grid-connected system; and the micro storage unit is connected with the micro inverter. According to the photovoltaic conversion assembly provided by the invention, direct grid connection can be realized through the second connecting terminal at the output end of the micro inverter without accessing an alternating current main cable, and meanwhile, direct current of the photovoltaic assembly can be stored through the micro storage unit, so that when the photovoltaic assembly does not generate power, the direct current can be saved; and the micro storage unit can convert the direct current into alternating current through the micro inverter for grid connection, so that the output efficiency of the photovoltaic system is ensured, and the stability of the photovoltaic system is improved.

A stator core, a birotor motor and a clothes dryer, the stator core comprises a plurality of outer stator wire slots and a plurality of inner stator wire slots, the outer stator wire slots and the inner stator wire slots are formed by separating a plurality of tooth parts uniformly distributed on yoke parts, and the extension directions of the tooth parts on the two yoke parts are opposite. The plurality of inner stator wire slots are used for accommodating stator windings to form an inner magnetic field, the plurality of outer stator wire slots are used for accommodating stator windings to form an outer magnetic field, and at least one yoke part is provided with a magnetic resistance structure used for inhibiting mutual interference between the inner magnetic field and the outer magnetic field. According to the utility model, on the premise of ensuring the output stability and efficiency of the double-rotor motor, the distance between the outer stator wire duct and the inner stator wire duct can be reduced, so that the outer diameter of the stator core is reduced, the size of the stator is reduced, and the size of the double-rotor motor is smaller; therefore, the double-rotor motor is suitable for a clothes dryer and other scenes with high volume requirements, and the equipment compactness is improved.

The utility model relates to solar cell technical field discloses a solar cell piece and battery assembly. Solar cell piece includes: semiconductor substrate, a plurality of first grid lines and a plurality of second grid lines, at least one surface of semiconductor substrate includes a plurality of electrode areas along first direction extension and along second direction interval arrangement, first direction and second direction are perpendicular, at least partial first grid line interval arrangement in a plurality of electrode areas, second grid line and electrode area intersection form several intersection points, and the filling grid of the area greater than the intersection point area is arranged at least partial intersection point. The utility model sets up first grid line in partial electrode area, and first grid line interval arrangement, evenly collects the current in semiconductor substrate, reduces the number of first grid line, reduces the cost, sets up the filling grid at the intersection point of second grid line and electrode area, strengthens the connection strength of grid line electrode and solder strip, guarantees the reliability of current collection and export, improves the photoelectric conversion efficiency of solar cell.

The application discloses a kind of integrated overcurrent, overtemperature and transient suppression protection function circuit, can realize the transient current suppression of overcurrent, short circuit, overtemperature and other fault protection and high voltage power-on simultaneously, and the circuit integration is high. High-voltage loop current sampling is carried out using resistance sampling and two-stage sampling circuit of voltage division after triode triggering, which can effectively reduce high-power interference noise and component selection difficulty, reduce product size, improve the anti-interference ability and reliability of full-bridge inverter circuit. Using multi-triode temperature protection scheme, single-point to multi-point temperature monitoring protection can be realized, which effectively reduces the circuit complexity of multi-point temperature monitoring, improves the universality of the circuit, and can realize automatic locking of circuit failure, effectively preventing fault trigger jitter problem. The application uses power resistor and MOSFET to combine soft control signal and power-on signal, to realize the switching of high-voltage input circuit through and current limiting, to ensure the output efficiency of the product while realizing the transient overcurrent suppression of high-voltage power-on.

This invention provides a high-order harmonic generation device based on four-aperture mirrors, comprising: a driving laser module, a first aperture mirror, a second aperture mirror, a first beam collector, a focusing mirror, a gas target, a third aperture mirror, a second beam collector, a fourth aperture mirror, a third beam collector, a metal film, a vacuum cavity, and a vacuum module. The first aperture mirror, the second aperture mirror, the focusing mirror, the gas target, the third aperture mirror, the fourth aperture mirror, and the metal film are disposed within the vacuum cavity. Through the synergistic effect of the four aperture mirrors, ring shaping, two-stage spatial filtering and efficient separation of the driving laser, as well as lossless transmission of high-order harmonics are achieved. This not only successfully attenuates the hundred-watt-level driving laser by more than a thousand times, solving the problem of optical component damage under high power; but also ensures high-throughput output of high-order harmonics while achieving efficient separation. The generated harmonic spectrum has a wide range and a small divergence angle, making it ideal as a light source for time-resolved pump-probe experiments.