11results about How to "Duration" patented technology

The invention provides a deposition system capable of realizing a CVD (chemical vapor deposition) process and an ALD (atomic layer deposition) process and a deposition process, and relates to the technical field of semiconductor processing equipment. Comprising a high-temperature-resistant conical process tank suitable for storing powder, and further comprises a vacuum system connected to the upper portion of the conical process tank and an air source system connected to the lower portion of the conical process tank. The gas source system comprises a process gas path, a precursor gas path and a carrier gas path which are connected into the conical process tank; a plurality of valves are arranged in the air source system and used for switching and controlling an air path communicated with the conical process tank, and a spiral stirring mechanism suitable for lifting and stirring powder upwards from the conical bottom is arranged in the conical process tank; and after silicon is deposited on the powder, a CVD (chemical vapor deposition) process or an ALD (atomic layer deposition) process is selected to continue by controlling a valve of a gas source system. Through the scheme, the combination of the CVD process and the ALD process is realized, and a richer coating scheme is provided.

The utility model provides an unmanned aerial vehicle power system and an unmanned aerial vehicle, the unmanned aerial vehicle power system comprises a multi-stage supercharging subsystem, and the multi-stage supercharging subsystem comprises a low-pressure-stage supercharger, a high-pressure-stage supercharger and an electric supercharger; the low-pressure-stage supercharger comprises a low-pressure-stage gas compressor and a low-pressure-stage turbine; the high-pressure-stage supercharger comprises a high-pressure-stage gas compressor and a high-pressure-stage turbine; the electric supercharger comprises an electric pressurizing compressor and a pressurizing motor; air inlets of the low-pressure-stage compressor, the high-pressure-stage compressor, the electric pressurizing compressor and the engine are connected in series through air inlet pipes, and air outlets of the low-pressure-stage turbine, the high-pressure-stage turbine and the engine are connected in series through air outlet pipes. According to the unmanned aerial vehicle power system and the unmanned aerial vehicle, step-by-step pressurization can be conducted on external air before the external air enters the engine through the multi-stage pressurization subsystem, the pressure of the engine is improved, the requirement for controlling the pressurization ratio of the engine of the unmanned aerial vehicle is met, and the unmanned aerial vehicle power system can provide sufficient power for the unmanned aerial vehicle.

The disclosed embodiment discloses a service preheating method, device, medium and product, the method comprising: obtaining service preheating rule information corresponding to at least one service instance to be preheated, receiving service instance resource information corresponding to at least one service instance to be preheated, obtaining preheating control information corresponding to at least one service instance to be preheated according to the service preheating rule information and the service instance resource information, and sending the preheating control information. This solution can minimize the time taken for preheating, and at the same time will not cause a large impact on the resources of the node used to carry the corresponding service instance, so that the time taken for the preheating process can be minimized while effectively reducing the impact caused by the traffic.

This invention discloses a plant protection drone for precision seeding, belonging to the field of agricultural drone technology. It includes a central body and four arc-shaped arms that can move relative to the central body. Each arm is equipped with a power unit and rotors. Driven by a deformation drive mechanism, the arms can switch between a cruising state (forming a circular shape) and an operational state (arching inward to form a three-dimensional structure). In the cruising state, the rotor planes are coplanar, resulting in high aerodynamic efficiency; in the operational state, the rotor planes are raised and moved away from the seeding device, effectively isolating the downwash airflow from interfering with the seeded material, significantly improving seeding accuracy and uniformity. This invention solves the technical problem of seeding drift caused by rotor wind fields in existing plant protection drones.

The utility model relates to the technical field of interface strength testing, in particular to an interface plugging strength testing jig which comprises a clamping assembly and a testing assembly. The clamping assembly comprises a fixed clamp and a rotating structure, the fixed clamp is used for clamping a to-be-tested product, the rotating structure is connected with the fixed clamp, and the rotating structure is used for driving the fixed clamp to rotate along a set angle so as to adjust the angle of a plug on the to-be-tested product; the testing assembly comprises a moving structure, a testing sensor and a testing head, one end of the testing sensor is connected with the testing head, the other end is connected with the moving structure, and the testing head is adjusted through the moving structure to press the plug. According to the technical scheme, automatic testing is adopted, in the testing process, the pressure for testing is constant, the testing accuracy is higher, testing operation is easy, the used time is shorter, the efficiency is higher, manual operation is not needed in the testing process, and safety is higher.

The utility model discloses an organic composite high-thermal-conductivity composite material production device, and relates to the technical field of organic composite high-thermal-conductivity composite material production devices. Through arrangement of a water receiving pipe, a first water supply pipe, a storage box, a second water supply pipe, a water pump, a one-way valve, a partition plate, a first electrode block, a second electrode block, a floating plate, an electric telescopic rod, a blocking plate, a sliding rod, a sealing ring, a bearing, a storage bin and an indicator lamp, the organic composite high-thermal-conductivity composite material production device has the advantages that the proportion of various stock solutions is accurately controlled; according to the production device for the organic composite high-thermal-conductivity composite material, the situation that the proportion of various stock solutions cannot be accurately controlled is avoided, by arranging a first motor, a mixing barrel, a first gear, a brush, a middle rod, a stirring shaft and a water through groove nozzle, the production device for the organic composite high-thermal-conductivity composite material replaces manual work through a mechanical structure, the cleaning speed is increased, and the situation that manual cleaning is low in speed and long in time is avoided.

The invention belongs to the field of aircrafts, and discloses a propeller blowing wing lift augmentation type multi-wing aircraft and a control method thereof.The propeller blowing wing lift augmentation type multi-wing aircraft comprises a fuselage, wings, a control system and a forward pulling propeller, the wings are arranged in multiple rows, and each row of wings is composed of a left wing and a right wing which are symmetrically distributed on the two sides of the fuselage; the multiple rows of wings are symmetrically arranged on the fuselage along the axis of the fuselage according to the gravity center moment of the aircraft; the plurality of front pull propellers are arranged at the front lower part of the wing, and the center line of a propeller disc of each front pull propeller and the chord of the wing are arranged at an attack angle of an included angle alpha; the control system is used for controlling the control quantity of each control surface of the aircraft and the rotating speed and steering of the forward-pulling propeller. High-speed airflow blown by the forward pulling propellers flows to the wings at an attack angle alpha, and generates a pneumatic coupling lift augmentation effect with the wings to generate forward and upward pulling forces on the aircraft; the rotating speed of the front pull propellers on the front-row wings is increased through control of the control system, the fuselage tilts backwards by theta to raise the head, the rotating speed of the front pull motors and the lowering angles of the flaps and the ailerons are controlled through the control system, force borne by the aircraft in all directions is balanced to achieve hovering, and resultant force is made to be vertically upward to achieve vertical take-off. The resultant force is vertically downward to realize vertical landing, and the resultant force is forward to realize level flight cruise.

The unmanned aerial vehicle with the rotor wing structure comprises an aerial vehicle body, the top of the aerial vehicle body is connected with a horizontally-arranged unpowered rotor wing through a clutch driving device, the two sides of the aerial vehicle body are fixedly connected with wings, the bottom side wall of each wing is fixedly connected with a mounting rod, and the bottom side wall of each wing is fixedly connected with a rotating shaft. The bottom sides of the two ends of each mounting rod are connected with horizontal propellers through first driving motors, and the tail of the aircraft fuselage is connected with a vertically-arranged tail rotor wing through a direction driving device. According to the aircraft, the advantages that an unmanned aerial vehicle takes off without a runway, takes off and lands vertically, hovers freely and flies flexibly are perfectly combined with the advantages that a rotorcraft is simple in structure, saves energy and is high in safety, and finally the purposes that the carrying capacity is larger, the flight time is longer, the voyage is farther and the flight is safer are achieved.

The invention discloses a power-driven vacuum optical tweezer particle lifting and supporting system. According to the invention, near the sample loading port of the vacuum cavity, the power assembly is utilized to make the target microspheres generate acceleration, and the particles pass through the diversion port in an emission mode and then directly enter an optical trap capture area from the sample loading port. According to the invention, the motion state of the target microsphere entering the light trap capture area is accurately controlled, the time required for realizing light suspension is realized, the power assembly can be conveniently moved and does not go deep into the vacuum cavity, the vacuum cavity is not shielded by additional parts, and the interference of gas desorption, electrostatic effect and continuous vibration in the traditional support scheme on the capture of the microsphere is avoided; and the light trap lifting efficiency is improved.

The application discloses a kind of relative radiation calibration method and device based on heterologous yaw data fusion, the method includes: according to the yaw imaging model generated by satellite probe element information to generate yaw data;Utilize imaging time length model to generate yaw data imaging time, and judge whether yaw data imaging time satisfies the requirement of pre-set threshold value, if satisfy;Utilize gray detection model to generate yaw data gray range, and judge whether yaw data gray range satisfies the requirement of pre-set threshold value, if satisfy, then carry out straight line detection and regulation processing to generate each probe element statistical data;Based on each probe element statistical data to generate yaw coefficient.The application is analyzed by yaw imaging characteristics, and proposes the mathematical model of the relative radiation calibration coefficient generation of multi-section yaw data fusion, not only determines the shortest time length of effective yaw data, also solves the problem that single-section yaw data covers incomplete gray scale range, and high-efficiency visible light yaw relative radiation calibration can be realized.

The invention relates to a vehicle appointment shooting method and device, a vehicle machine, a vehicle and a storage medium, and the method comprises the steps: obtaining pre-stored appointment information, the appointment information comprises appointment shooting time and appointment shooting modes, and the different appointment shooting modes have different shooting durations; and when the appointment shooting time is up, controlling the camera to shoot according to the appointment shooting mode. According to the method, when the user is inconvenient, the camera is controlled to shoot according to the reserved shooting mode through the reserved shooting mode, the needed scenery is recorded, and the user experience is improved.