20results about How to "Guaranteed power output" patented technology

The invention discloses a dynamic power regulation system based on a resistance component, which relates to the technical field of power regulation, and comprises a setting module, an acquisition module, a data comparison module, a control module and a resistance regulation module: the setting module is used for determining a set power value; the acquisition module comprises a detection module or a data acquisition construction module; the data comparison module is connected with the setting module and the acquisition module and is used for comparing the output power value with a set power value to obtain a difference value; the control module is connected with the data comparison module and used for controlling the resistance assembly to increase resistance through the controller if the output power value is smaller than the set power value. The resistance of the resistance assembly is adjusted through the difference between the output power value and the set power value, so that the output power value can be continuously adjusted to be the same as the set power value, and the consistency of the set power value and the actual output power value is met.

The invention discloses a rotary air cylinder structure, which belongs to the technical field of air cylinders and comprises an air cylinder assembly, a spiral shaft, a bearing assembly, a piston, a limiting device, a connecting device, an air inlet pipeline I and an air inlet pipeline II, the spiral shaft is fixed through a bearing assembly arranged in the air cylinder assembly, a piston is arranged in the air cylinder assembly, the spiral shaft penetrates through the piston, a first air inlet pipeline and a second air inlet pipeline are arranged on the two sides of the piston in the air cylinder correspondingly and used for controlling the piston to reciprocate in the air cylinder assembly, and the limiting device can prevent the piston from rotating in the air cylinder assembly. The piston is matched with threads on the spiral shaft through a plurality of connecting devices, so that the piston reciprocates in the air cylinder assembly to drive the spiral shaft to rotate forwards and backwards, the device has the advantages that the device structure is simple, the rotating angle is easy to control, and the precision is high, and the problem that the workpiece is inconvenient to machine due to the fact that the rotating angle of the air cylinder is not easy to control can be solved.

This invention relates to the field of industrial unmanned aerial vehicle (UAV) technology, specifically a hydrogen fuel cell and lithium battery hybrid UAV. The UAV includes a fuselage, a high-pressure hydrogen storage tank fixedly mounted on top of a gas cylinder mounting base, a battery stack mounted on the bottom of a mounting frame assembly, and a circuit control module located inside the mounting frame assembly. This hydrogen fuel cell and lithium battery hybrid UAV, based on multi-source data fusion and a sliding window anti-disturbance design, achieves accurate identification of all operating conditions, including steady-state cruise, high-power transients, surplus recharge, and regenerative braking. It is equipped with a differentiated intelligent power allocation algorithm, enabling a dynamic allocation strategy that allows for continuous and stable main power supply from the fuel cell during cruise, coordinated lithium battery replenishment during high-power conditions, and real-time recharge of the lithium battery with surplus power. Through a power change rate feedforward compensation design, it maximizes the utilization of the high energy density of hydrogen energy while simultaneously achieving energy recovery and reuse, further improving the system's energy utilization rate.

The invention relates to the technical field of fuel cell power limitation, and discloses a fuel cell power adaptive control method, device and equipment and a medium, and the method comprises the steps: obtaining the real-time environment temperature of a fuel cell system; when the real-time environment temperature is greater than or equal to a preset temperature threshold value, dynamically controlling the first limiting power of the fuel cell system based on the real-time environment temperature and a preset power limiting relationship until the real-time environment temperature is lower than the preset temperature threshold value; in the process of dynamically controlling the first limited power of the fuel cell system, when the real-time environment temperature is lower than a preset temperature threshold value within a first time range, dynamically controlling a second limited power of the fuel cell system based on a current limited power value, and correcting a preset power limiting relation, the real-time environment temperature is larger than or equal to the preset temperature threshold value. By applying the technical scheme of the invention, the self-adaptive adjustment of the power limitation of the fuel cell can be realized, and the flexibility of the power control of the fuel cell is improved.

The invention discloses a fuel mixing and supplying mechanism of a dual-fuel engine, and relates to the field of fuel mixing, the fuel mixing and supplying mechanism comprises a cylinder bridge, a connecting rod, an air compression assembly and a cylinder assembly, the air compression assembly comprises an air compression outer barrel, an air compression inner barrel, an air compression piston and an air supply mechanism, and the cylinder assembly comprises a cylinder piston, an air cylinder sleeve and an oil pumping mechanism. When the air compression outer barrel moves along with the air cylinder bridge, the air supply mechanism sucks air and fuel gas in a self-suction mode through the pressure difference of a cavity in the air compression process, the air and the fuel gas are mixed in proportion, the mixed gas is conveyed into a combustion chamber of the air cylinder sleeve, and quantitative supply of the mixed gas can be achieved without additional supercharging equipment; fuel oil is pumped into the air cylinder sleeve through the oil pumping mechanism, the gas supply mechanism feeds mixed gas of fuel gas and air in a self-suction mode for layering or homogeneous mixing, the dual-fuel supply system can flexibly adjust the proportion of the fuel gas and the fuel oil according to the load working condition, the combustion process is optimized, and emission of harmful gas is reduced while power output is guaranteed.

This invention provides a method for calculating the torque of a distributed loading vehicle and the distributed loading vehicle itself. The calculation method includes: obtaining the actual required torque based on the driving state, the battery's limited power, and the motor's rotational speed; distributing the actual required torque evenly to the front and rear axles, and further distributing the torque of the front axle to the two motors on the front axle and the torque of the rear axle to the two motors on the rear axle based on the steering angle, thus obtaining the required torque for all four motors; obtaining the axle slip ratio and axle acceleration, and if at least one of the following conditions is met: the slip ratio is greater than a preset slip ratio threshold, and the axle acceleration exceeds a preset acceleration threshold, then the required torque for the two motors corresponding to the abnormal axle is transferred, wherein the abnormal axle is the axle that meets the conditions. Therefore, it is possible to actively intervene in the torque of the abnormal axle after detecting slippage or lock-up, thereby improving vehicle safety, ensuring vehicle power performance, and reducing wheel wear.

The utility model discloses a building concrete curing device which comprises a sweeping board, the upper surface of the sweeping board is fixedly connected with a water storage tank, the upper surface of the sweeping board is fixedly connected with a power box, the inner bottom wall of the water storage tank is fixedly connected with a water pump, and the output end of the water pump is fixedly connected with a three-way pipe. The three output ends of the three-way pipe fixedly communicate with water pipes, and the ends, away from the three-way pipe, of the three water pipes penetrate through the water storage tank and extend out of the water storage tank. According to the device, through mutual cooperation of an electric telescopic rod and an adjusting plate, the device can conveniently and effectively adjust the spraying range or position, so that workers can conveniently maintain large-area concrete, through mutual cooperation of a water pump, a three-way pipe, a water pipe and a water spraying head, the device can conveniently carry out water spraying maintenance on the concrete, and the practicability is high. And through mutual cooperation of fixing rods, universal wheels and damping springs, the shaking phenomenon of the device in the moving process can be reduced.

The present application provides a method, device, vehicle and storage medium for controlling mode switching, the method comprising: in the process of switching the vehicle from the series mode to the direct drive mode, when it is determined that the second clutch is open, controlling the second input shaft to be engaged in an even gear; if it is detected that the gear position of the second input shaft is neutral, determining that the even gear on the second input shaft is unavailable; when it is determined that the even gear on the second input shaft is unavailable, if it is monitored that the vehicle meets the preset conditions for switching to the series mode, controlling the second clutch to close; when the second clutch is in a closed state, controlling the first clutch to open, so that the vehicle switches back from the direct drive mode to the series mode. The method can automatically switch back to the series mode when the vehicle is stuck during the mode change process, ensuring the normal power output of the vehicle.

The present invention relates to the technical field of reservoir dredging, and in particular to a deep reservoir dredging equipment, comprising a frame and a mud suction disk, wherein the front side of the frame is fixedly connected with the mud suction disk, the lower end face of the frame is fixedly connected with a base, the front and rear end faces of the base are fixedly connected with connecting devices, the lower end faces of the connecting devices are fixedly connected with connecting plates, the outer sides of the connecting plates are fixedly connected with buoys, the inside of the frame is fixedly connected with lifting devices, and the lower end faces of the lifting devices are rotatably connected with power devices; in the present invention, by setting a fixed frame, a clamping block, a sliding disk, a telescopic spring, a pulling plate and a clamping plate, the device can be suspended in the water body through the setting of the buoy, and then it can be moved to the center of the reservoir, and then the device can be cleaned, and the setting of the clamping plate and the clamping block facilitates the disassembly of the buoy, and when it is damaged, it can be replaced, and it can be disassembled and then carried out during transportation, which is very convenient.

The utility model relates to agricultural machinery technical field, concretely is legume comprehensive spin sowing integrated machine. Including drive module, sowing module is suitable in sowing soil and sows, irrigation module is connected in sowing module, irrigation module is suitable for irrigation at sowing, rotary tillage module is connected in drive module and sowing module, rotary tillage module is suitable for ploughing sowing soil. The present application is through setting up drive module, sowing module, irrigation module and rotary tillage module, realized sowing, irrigation, rotary tillage etc. The integration of many functions, greatly improved the operation efficiency, wherein, the design of double set drive motor and tire ensures the stability of equipment in the operation process, adopts electric drive simultaneously, accords with green environmental protection requirement, the design of drive module not only guarantees the power output of equipment, still improves the passability and adaptability of equipment through special structure design, makes it can be stably operated in various topography.

The invention relates to a vehicle speed adjusting method, device and system, a vehicle and equipment, and relates to the technical field of automobiles. The method is applied to a vehicle and comprises the following steps: acquiring road condition information of each sub-road section in a plurality of sub-road sections of a target route and performance parameters of the vehicle; for each sub-road section, the first planning speed of the vehicle is adjusted according to the road condition information of the sub-road section and the performance parameters of the vehicle, and a second planning speed corresponding to the sub-road section is obtained; the first planned speed is determined according to the speed limit value of the sub-road section and the expected driving time of a driver and passengers of the vehicle; and controlling the vehicle to run on the target route according to the second planning speeds corresponding to the plurality of sub-road sections. Therefore, the driving mode which meets the user requirement and has the minimum energy consumption can be determined, and the battery life and the endurance mileage of the automatic driving electric automobile are prolonged.

The invention provides a double-power-head mounting structure, a drilling machine and a control method, and the mounting structure comprises a mast assembly which comprises two outer masts and an inner mast which is slidably arranged between the two outer masts; the two track plates are detachably connected with the front surfaces of the corresponding outer masts respectively; the outer lifting oil cylinder is used for driving the outer power head to move up and down; the outer power head is slidably connected with the track plate through a sliding frame; the telescopic ends of the outer lifting oil cylinders penetrate through the corresponding sliding frames from top to bottom, cylinder barrels of the outer lifting oil cylinders are connected with the end faces, close to the mast operation platform, of the sliding frames, and the telescopic ends of the outer lifting oil cylinders are connected with the mast operation platform through supports. The two inner lifting oil cylinders are arranged in the corresponding outer masts respectively, and the two telescopic ends of the inner lifting oil cylinders are connected with the top ends of the inner masts through mast connecting pieces; the inner power head is slidably arranged on the front surface of the inner mast; the outer power head and the inner power head are coaxially arranged up and down; the double power heads can share the same well mouth, and double power head casing-following drilling can be achieved.

The utility model belongs to chip packaging technical field, specifically disclose a kind of packaging structure of annular integrated passive device, it include: substrate, frame base island, intermediate base island chip, annular PCB, passive device and outer output pin, the substrate outer surface is arranged frame base island, annular PCB, the outer output pin is arranged in the outermost peripheral edge of substrate one week, the intermediate base island chip is attached on frame base island, the passive device is attached on annular PCB, it is connected through wire between the intermediate base island chip and outer output pin, the intermediate base island chip is connected with annular PCB through lead, the passive device includes synchronous passive device, chip level passive device, the synchronous passive device, chip level passive device is attached on annular PCB. It can be contacted by increasing radio frequency device and base island, guarantee the heat dissipation of product, synchronous integrated passive device chip and passive device, guarantee radio frequency device power output and more device integration.

The application discloses a modular microbial fuel cell type artificial wetland system, and relates to the technical field of water pollution control and water treatment. The modular microbial fuel cell type artificial wetland system comprises a water inlet channel, a wetland treatment area and a water outlet channel which are sequentially connected. The wetland treatment area comprises a plurality of treatment units which are arranged in parallel. The water inlet of the treatment unit is connected with the water inlet channel, and the water outlet of the treatment unit is connected with the water outlet channel. Each treatment unit comprises a plurality of microbial fuel cells which are connected in series. The two ends of the microbial fuel cell are respectively provided with a water inlet and a water outlet. The electrode lead-out ends with opposite polarities are arranged on the water inlet side and the water outlet side respectively. The water inlets and the water outlets of adjacent microbial fuel cells are detachably connected. The electrode lead-out ends with opposite polarities of adjacent microbial fuel cells are detachably connected. The application can enhance the organic matter degradation capacity and degradation rate of the wetland system by using the microbial fuel cell, and can ensure the electric energy output of the microbial fuel cell on the basis of solving the clogging problem.

The application discloses a shift transmission, a power assembly and a vehicle, and belongs to the technical field of vehicles. The shift transmission comprises an output shaft, a first gear adjustment member, a second gear adjustment member, a first input shaft and a second input shaft. The first input shaft is selectively connected in transmission with the output shaft. The second input shaft is sleeved on the first input shaft and selectively connected in transmission with the output shaft. The second gear adjustment member is arranged on the first input shaft and is configured to perform switching of joint input / independent input of the first input shaft and the output shaft. The first gear adjustment member is arranged on the first input shaft and is configured to perform switching of on / off of a transmission path between the first input shaft and the second input shaft. The first gear adjustment member and the second gear adjustment member of the shift transmission can be independently controlled to control corresponding transmission paths. Compared with arranging one gear adjustment member on the first input shaft, the shift transmission can greatly release the power performance of a double-drive motor and realize power uninterrupted gear shifting.

The utility model relates to a manipulator for a non-standard automatic production line, which comprises a motor, a turntable, a rotating beam and two clamping units, the turntable is mounted on the motor, the middle of the rotating beam is connected with the turntable, the motor drives the rotating beam to rotate through the turntable, and the two clamping units are respectively positioned at two ends of the rotating beam. The clamping unit comprises a clamping arm, a sliding rail, an air cylinder, a supporting rod, a push rod, a fixing plate and a fixing seat, the sliding rail is arranged on the rotating beam, according to the mechanical arm for the non-standard automatic production line, the air cylinder is transversely arranged, on the premise that the pushing force of the air cylinder is guaranteed, power output is guaranteed, then the clamping stability is guaranteed, and the longitudinal length is reduced; and the installation and use flexibility is improved.

The invention discloses a doubly-fed fan modeling method and system, and relates to the technical field of fan modeling, and the method comprises the steps: selecting a clustering index, and collecting data; clustering the wind power plant data by adopting an improved K-means algorithm to construct an equivalent station model; and identifying the obtained equivalent station model. According to the method, the wind speed of the wind power plant is selected as a clustering index, meanwhile, the wind speed is closely related to control over the pitch angle of the doubly-fed wind turbine, and according to different wind speeds, the pitch angle is increased or decreased to reduce the power output of the wind turbine, so that the wind turbine is kept at the rated power level or more kinetic energy is captured, and starting of the wind turbine is facilitated; actual measurement data of an actual wind power plant can be well fitted, accurate modeling, clustering and identification optimization of the wind power plant are achieved, and the actual operation condition of the wind power plant can be accurately reflected by errors within an allowable range. Accuracy and consistency of data are ensured, and a reliable basis is provided for operation control of the wind power plant.

The utility model provides a rollover assembly of an automatic cart, which comprises a carriage body, two sides of the carriage body are respectively provided with a side plate, the upper ends of the side plates on the two sides are movably connected to the two sides of the carriage body, two ends of the side plates on the two sides are respectively and movably provided with a shaft lever, and two ends of the shaft lever are respectively connected with rollers; side plates are arranged on the two sides of the carriage body, a turnover mechanism is arranged at the bottom of the carriage body, a connecting plate is fixedly installed at the bottom of one end of each side plate, and the bottom of the turnover mechanism is fixedly installed on the connecting plate. And the turnover mechanism drives the carriage body to rise through the servo motor, so that the mounting space can be effectively reduced, and the turnover mechanism is convenient to mount and use.

The present invention discloses a cylinder structure, a water-cooled engine and a motorcycle. The cylinder structure includes a cylinder body, the cylinder body has an inner cavity and a cooling cavity, the inner cavity is used to install a cylinder sleeve, the cooling cavity is arranged in an annular shape on the cylinder body and is located on the outer periphery of the inner cavity; the cylinder body is also provided with a bottom groove and a water outlet, the bottom groove is arranged on the bottom wall of the cooling cavity, the bottom of the bottom groove is lower than the bottom of the cooling cavity, and the water outlet is communicated with the bottom groove. The cylinder body is connected with the cylinder sleeve through the inner cavity, and a water jacket structure is formed by the arrangement of the cooling cavity to meet the cooling requirements of the cylinder sleeve; because the bottom groove is arranged on the bottom wall of the cooling cavity, and the bottom of the bottom groove is lower than the bottom of the cooling cavity, the cooling water and impurities in the cooling cavity can be converged into the bottom groove, and then discharged through the water outlet communicated with the bottom groove, so that the cooling water and impurities in the cooling cavity are completely discharged, avoiding a series of problems such as the difficulty in controlling the amount of cooling water added and the blockage of the radiator caused by the difficulty in completely discharging the cooling water and impurities.