9results about How to "Improve boot performance" patented technology

The invention discloses a concentric unequal-turn full-slot low-harmonic winding stator, which comprises a stator core and a winding, and is characterized in that the stator core comprises a plurality of phase belts, and each phase belt comprises three stator slots; the windings wound in the three stator slots in one phase belt are wound in a single-double-layer unequal-turn manner, and are periodically distributed on the whole stator core in a surrounding manner by taking one phase belt as a period; the three stator slots in one phase belt comprise two first slot bodies and a second slot body, the second slot body is located between the two first slot bodies, and the slot sizes of the first slot bodies and the second slot body are matched with the single-layer and double-layer unequal-turn winding windings to form a matching structure with high full slot rate. The concentric single-layer and double-layer unequal-turn windings and the stator slots matched with the windings are adopted, so that the magnetic circuit distribution is more uniform while the harmonic amplitude is reduced, the static flux density distribution of the stator is greatly improved, and the motor performance is further improved.

The present invention provides a dispersed-speed flexible motor, which includes a motor body, a continuously variable transmission and a reducer. The front end of the motor body is fixedly provided with a mounting seat, the front end of the motor body is rotatably provided with a motor rotor output shaft, the interior of the mounting seat is provided with a continuously variable transmission, the outer side of the mounting seat is fixedly connected to the reducer, one end of the continuously variable transmission is connected to the motor rotor output shaft, the other end of the continuously variable transmission is provided with an intermediate transmission shaft, and the continuously variable transmission is rotatably connected to the reducer through the intermediate transmission shaft. It has full-process flexible transmission performance. The dispersed-speed flexible motor can adaptively isolate the load during the startup process, so that it can be started with a light load, and no additional startup control device is required. During the operation, the transmission mode can also be adaptively adjusted according to the change of the load. The present invention can be widely used in the selection of motors in various transmission fields, and can provide flexible motors with various dispersed-speed outputs.

The utility model relates to a carburetor capable of improving starting effect, which comprises a carburetor body, a diaphragm pump is arranged on the outer side portion of the carburetor body, an upper oil port is arranged on the diaphragm pump, an oil inlet hole channel communicated with the upper oil port is arranged on the carburetor body, and the oil inlet hole channel is communicated with an oil cavity in the diaphragm pump. A manual oil recharging pump is arranged on the outer side portion of the carburetor body, an oil inlet of the manual oil recharging pump is communicated with the oil inlet hole channel, and an oil outlet of the manual oil recharging pump is communicated with an oil cavity in the diaphragm pump. The carburetor with the improved starting effect is novel in structure and reasonable in design, on the basis of an original diaphragm pump, the manual oil supplementing pump is connected in parallel, when an engine is started, the oiling speed can be increased by rapidly pressing the manual oil supplementing pump, the starting speed of the engine is greatly increased, and the starting effect is good.

The utility model discloses a gasoline engine capable of being efficiently started in an ultralow-temperature environment. The gasoline engine comprises a gasoline engine body, an air inlet chamber arranged at the top end of the gasoline engine body, an air inlet pipeline connected to one side of the gasoline engine body and an air inlet pipe base arranged at the top end of the air inlet pipeline and communicated with the air inlet chamber. A preheating ring sleeve is mounted on the surface of the air inlet pipe seat in a sleeving manner, an annular inner groove is formed in the inner wall of the preheating ring sleeve, and an electric heating ring is mounted on the inner side of the annular inner groove; a heat conduction structure corresponding to the electric heating ring is arranged on the air inlet pipe seat; a gasoline engine in the prior art is improved and optimized, the preheating electric heating ring is designed and integrated on the air inlet pipe seat of the gasoline engine, and the preheating electric heating ring is ingeniously matched with a heat conduction structure in the pipe seat, so that the purpose of preheating air passing through the air inlet pipe seat is achieved, the temperature of the air entering an air cylinder is effectively increased, and the service life of the air cylinder is prolonged. The starting performance and efficiency of the gasoline engine in the ultralow-temperature environment can be remarkably improved, fuel oil atomization is effectively promoted, and the ignition success rate is increased.

The invention relates to the technical field of creative mobile terminals, in particular to a trusted startup method and system for a creative mobile terminal, and the method comprises the steps: carrying out hierarchical verification and state monitoring on a hardware trust root module, security startup firmware and an operating system kernel, extracting multi-dimensional security features, and constructing a system security feature vector; secondly, establishing a trust chain component dependency graph, and generating a trusted startup sequence with the minimum security risk through constraint optimization; in combination with the trusted startup sequence and the feature vector, intelligently identifying startup threats and dividing risk levels to form a layered security protection strategy; and dynamically adjusting a protection strategy and allocating a resource weight, loading and dividing the trusted component into a high-security verification area and a basic verification area for block verification, and outputting a trusted startup execution result. According to the method, full-link trusted measurement, intelligent risk management and control and resource optimization scheduling in the starting process are realized, and the safety and starting efficiency of the credential terminal are remarkably improved.

The invention discloses a fuel filter assembly with an electric self-oil-absorption function, which relates to the technical field of vehicle fuel filter systems and comprises a filter seat, an electric self-oil-absorption component, a middle shell, a filter element component and a maintenance lower cover component. The filter seat is provided with a first oil cavity, a second oil cavity, an oil inlet and an oil outlet. The second oil cavity is divided into an oil suction cavity and an oil outlet cavity by the electric self-oil-suction assembly, and the oil outlet is communicated with the oil outlet cavity. And the inner cavity of the middle shell is divided into a pre-filtering cavity and a post-filtering cavity by the filter element assembly. The before-filtering cavity is communicated with the first oil cavity, and the after-filtering cavity is respectively communicated with the oil suction cavity and the oil outlet cavity. A one-way valve is arranged in a passage of the after-filtering cavity and the oil outlet cavity so as to allow fuel oil to flow to the oil outlet cavity from the after-filtering cavity in a one-way mode. The maintenance lower cover assembly is used for discharging water filtered out by the filter element assembly. According to the fuel filter assembly with the electric self-oil-absorption function, automatic oil pumping can be achieved, fatigue of manual oil pumping is relieved, and meanwhile the starting capacity and operation stability of an engine are improved in an auxiliary mode.

This utility model discloses a direct cooling and heating power battery thermal management system and a new energy commercial vehicle, comprising: a compressor assembly connected to a condenser assembly, which is then connected in parallel to a power battery assembly and an evaporator assembly to form a circuit; the front-end circuit of the compressor assembly is also connected in parallel to a fuel PTC heating assembly circuit via a refrigerant three-way valve, and the condenser assembly is also connected in parallel to a second shut-off valve circuit. Heating is achieved by connecting the fuel PTC heating assembly circuit and the second shut-off valve circuit, and cooling is achieved by disconnecting the fuel PTC heating assembly circuit and connecting the condenser assembly. This utility model achieves rapid and precise temperature regulation of the power battery through direct cooling and heating technology, while simultaneously utilizing the fuel PTC heating assembly circuit to replenish gas and increase enthalpy on the low-pressure side, thereby improving the system's heating performance in low-temperature environments and enhancing the overall performance and reliability of the new energy commercial vehicle.

An electric vehicle driving source of an RV reducer type hub motor comprises a permanent magnet synchronous servo motor, the fixed end of the permanent magnet synchronous servo motor is connected with a suspension connecting piece, the power output end of the permanent magnet synchronous servo motor is connected with the power input end of an RV reducer, and the power output end of the RV reducer is connected with a tire module; the power output of the permanent magnet synchronous servo motor and the power input and output of the RV speed reducer are the same main shaft; the wheel is compositely driven by the high-speed permanent-magnet synchronous servo motor and the large-transmission-ratio RV speed reducer, the power performance of the whole vehicle can be greatly improved, the structure is simple, the size is small, the weight is light, the larger transmission ratio can be provided under the smaller size due to the application of the RV speed reducer, and the service life of the vehicle is prolonged. The high-speed permanent magnet synchronous servo motor is adopted, so that the motor has the advantages of good starting capability, strong low-speed dragging capability, high power density and the like.

The invention discloses a voltage converter and a control method thereof. The voltage converter comprises an output capacitor, a first charge pump circuit of a switched capacitor type structure and a second charge pump circuit of a diode type structure, and the second charge pump circuit of the diode type charge pump structure is used for pre-charging the output capacitor of the circuit at the initial starting stage of the circuit. Therefore, the output voltage can be quickly charged to the required voltage level, so that the output voltage can meet the working condition required when the first charge pump is started, the time required by the first charge pump circuit to reach a stable working state is shortened, the starting performance of the circuit is remarkably improved, and the efficiency and the stability of the circuit are improved. In addition, the ripple amplitude generated by the output voltage is reduced by using a clock adjustment technology.