15results about How to "Extended air time" patented technology

The present invention relates to the technical field of waste gas treatment, and discloses a low carbonic acid tower for tertiary carbonic acid production, the low carbonic acid tower comprises a tower body, the inner wall of the tower body is provided with a plurality of groups of support frames, the support frames are internally provided with filler layers, the lower parts of the support frames are provided with distribution plates, and trickling ports are uniformly distributed at the bottom of a spray pipe, so that the tertiary carbonic acid production efficiency is improved, and the tertiary carbonic acid production efficiency is improved. According to the waste gas absorption tower, through the arrangement of the filter layer, dripped absorption liquid can better cover the interior of the tower body, so that waste gas and the absorption liquid can be better in countercurrent contact, when the absorption liquid flows through the arranged filler layer, the contact area of the absorption liquid and the waste gas can be increased, and an adsorption sieve in the filler layer can also adsorb some harmful substances in the waste gas; and the distribution plate is arranged below the spraying pipe, so that the absorption liquid can be secondarily distributed and is uniformly distributed in the tower body again, and the condition of non-uniform distribution of liquid drops is avoided.

The invention provides environment-friendly sewage treatment equipment based on microbial reaction. The environment-friendly sewage treatment equipment comprises an aerobic tank, a pretreatment box and a power storage assembly, the pretreatment box comprises a box body, the box body is connected with the aerobic tank, the box body is fixedly communicated with a drainage pipe, a bottom plate of the box body is provided with a group of drainage grooves, and an inverted T-shaped plate is connected in the box body; the power storage assembly comprises a main shaft, and the main shaft is in bearing connection with the box body. The invention relates to the technical field of sewage treatment, in particular to environment-friendly sewage treatment equipment based on microbial reaction. In order to overcome the defects in the prior art, the environment-friendly sewage treatment equipment based on the microbial reaction is developed, microbial degradation and a biological membrane technology are conveniently and organically integrated, sewage is fully contacted with an MBR membrane in an MBR membrane area to be treated for a period of time, and then the sewage is contacted with a microbial population to be treated. The environment-friendly treatment on the sewage is realized, and the sewage treatment efficiency is improved.

The invention provides a novel eVTOL with a small air bag, which can also be called as a lifting and floating integrated manned electric airship and comprises a single lens-shaped bag body 1 and a passenger cabin 6, curtain cloth 3 in the single lens-shaped bag body 1 is connected to a carbon fiber embedded part 2 located at the bottom through a tie bar 4, and a metal ring 5 is arranged at the exposed part of the carbon fiber embedded part 2. And the passenger cabin 6 is arranged on the metal ring 5. The eVTOL with the small air bag lifts off and flies by simultaneously utilizing dynamic lift force and buoyancy force, is long in hang time, low in power consumption and convenient to disassemble, and has good flight performance, take-off and landing performance and economical efficiency.

An unmanned aerial vehicle obstacle avoidance system disclosed by the present invention comprises a hardware unit and a software unit, the hardware unit comprises an unmanned aerial vehicle body, an upper computer, a sensor and a ground station, and the software unit comprises an obstacle avoidance algorithm, an A * algorithm, an RRT algorithm, a radar data sequence and point cloud data. The unmanned aerial vehicle body comprises a sensor, an upper computer and a flight control module, and the unmanned aerial vehicle body is connected with the ground station. According to the method, the unmanned aerial vehicle body and the ground station are split, a new algorithm needing to be used can be deployed on the ground station or an existing algorithm can be modified to cope with path planning in a complex environment, and path planning is performed according to information obtained by the unmanned aerial vehicle body through a sensor. Data acquired by the laser radar and the depth camera are directly fused and converted into laser radar data for obstacle avoidance of the unmanned aerial vehicle, so that the laser radar and the depth camera can be better matched to realize own functions instead of constructing an obstacle avoidance effect directly through the unmanned aerial vehicle.

The invention relates to the technical field of combustion boiler devices, in particular to an automatic feeding device for a biomass combustion boiler, which comprises a support frame, a crushing cylinder is fixedly mounted at the inner end of the support frame through bolts, a conveying device for conveying crushed biomass is arranged on the right side of the support frame, and a discharging pipe is arranged below the crushing cylinder. A conical shell is fixedly mounted at the inner end of the crushing cylinder; a material conveying cylinder is fixedly mounted at one end, close to the inner cylinder, of the conical shell; a driving rod is arranged at the inner end of the material conveying cylinder; a launching tube is fixedly mounted on the outer surface of the material conveying cylinder; biomass flowing out of the discharge port in the outer surface of the force storage cover collides with biomass in the transmitting pipe, so that the falling potential energy of the biomass can be reduced, the hang time is prolonged, the heating time of the biomass energy can be prolonged, and the heating efficiency is greatly improved.

The application relates to a force couple balance and longitudinal array push-pull vertical take-off and landing high-speed aircraft, belonging to the technical field of aircrafts, which comprises a fuselage, a rotor, a fixed wing, a steering controller and a propeller. The rotor is installed at the top of the middle part of the fuselage through a rotor shaft, and a clutch is arranged between the rotor and a power system and / or a transmission system matched with the fuselage, so as to be controlled to be disconnected or to transmit power to the rotor. The steering controller comprises a fixed base and a rotating base, and each of the nose and the tail has a set of the rotating base. The propeller is provided with two propellers which are respectively installed on the rotating bases of the nose and the tail, and are controlled to rotate with the rotating bases relative to the fixed base. The force couple formed by the front and rear thrust vectors is used to balance the reverse torque brought by the rotor. When the propeller is coaxial with the middle axis of the fuselage, the wind area of the single propeller obtains double thrust. The application can improve the energy utilization rate, improve the carrying capacity, improve the flight safety performance and obtain a longer hovering time.

The invention provides a wing gust mitigation control method based on combined plasma excitation, and belongs to the technical field of aircraft gust mitigation control. The control method comprises the following steps: S1, acquiring an aerodynamic characteristic curve of the wing; s2, a first installation position is determined based on the aerodynamic characteristic curve obtained in the step S1, and a first plasma exciter is installed at the first installation position; s3, determining a second mounting position based on the aerodynamic characteristic curve obtained in the step S1, and mounting a second plasma exciter at the second mounting position; and S4, a gust signal of the wingtip or the nose of the unmanned aerial vehicle is obtained, and the first plasma exciter or the second plasma exciter is controlled to operate according to the gust signal. Induced jet flow is generated on the surface of the wing through the plasma exciter and acts on an airflow field on the surface of the wing, aerodynamic force fluctuation of the wing is controlled, gust load is slowed down, and hang time is prolonged.

The utility model relates to the technical field of aircrafts, in particular to a combined-distributed morphing aircraft which comprises four groups of aircraft monomers and a combined-separated system, each group of single aircraft body consists of a load cabin and wings, and the wings are hinged with the load cabin through a connecting rod mechanism; the combination and separation system comprises a center motor and a load bin center positioning block, the center motor is located among the four sets of load bins, the center motor is embedded in the load bin center positioning block, the load bin center positioning block is connected with the load bins in a buckled mode, and a center limiting block is assembled at the output end of the center motor. The aircraft assembly is formed by combining a plurality of single-wing aircraft single bodies, has the advantages of stable spinning, long hang time, strong load capacity, strong clustering capacity and the like, has a larger detection range and larger aerodynamic lift force, can perform collaborative search and collaborative cargo deployment at low cost, and has a wide application prospect. And the survivability and the overall efficiency of the unmanned aerial vehicle cluster can be effectively improved.

The utility model discloses a spraying system of a spraying tower, which relates to the waste gas treatment technology, and adopts the technical scheme that the spraying system comprises a tower body, a spraying pipe and a nozzle, the spraying pipe comprises a main pipe and a branch pipe, the nozzle is rotatably connected to the branch pipe, a rotating piece is arranged in the nozzle, and the nozzle is provided with an atomizing opening and a liquid flow opening. The spray head starts to rotate under the action of the rotating part, the treatment liquid in the spray head is sprayed out from the atomization opening and the liquid flow opening under the action of liquid pressure, the treatment liquid sprayed out from the liquid flow opening is large in particle diameter and can effectively combine pollutants with large diameters in waste gas, the treatment liquid sprayed out from the atomization opening is small in particle diameter, and the pollutants can be effectively combined with the pollutants with large diameters in the waste gas. The spray tower is simple in structure, large in dispersion area and longer in hang time, and can be fully combined with pollutants with smaller diameters in waste gas, and meanwhile, as the rotation of the spray head can provide centrifugal force for the treatment liquid leaving the spray head, the treatment liquid sprayed out of the atomization port and the liquid flow port can have wider coverage area, and the working efficiency of the spray tower is improved.

The utility model belongs to the technical field of heat dissipation mechanisms, and particularly relates to an automatic heat dissipation mechanism of a card mounting device, which comprises a main body, a paper feeding machine, a conveying belt and a paper collecting machine are correspondingly mounted in the main body in a matched manner, a heat dissipation machine is mounted between the conveying belt and the paper collecting machine, and a base is mounted on the heat dissipation machine. A motor is installed on the outer wall of the base, a fan is installed below the heat dissipation machine, a support is installed on the base, and a heat dissipation row is installed on the inner side of the support. The motor drives the transmission device, the limiting wheel and the cylinder to be matched and intermittently meshed with the arc-shaped groove and the groove through the chain, then the roller intermittently rotates, the conveying belt conveys products to the outer wall of the hexagonal roller at a constant speed, the intermittent rotating roller prolongs the hang time of the products, the products fully pass through the heat dissipation bar to reduce the temperature, and the product quality is improved. And the products in the warm state are prevented from being mutually adhered, a large amount of time for natural cooling of the products is not needed, and the working efficiency is improved.

The present invention provides a tethered unmanned aerial vehicle tether cable traction tension vector measurement mechanism, which can measure and feedback the tether cable traction tension vector information in real time, so that the flight control system can effectively control the unmanned aerial vehicle, maintain a normal flight attitude at any time, and ensure the flight safety of the tethered unmanned aerial vehicle. The measurement mechanism includes: an adaptive follow-up tether cable connection mechanism and a sensor group; the adaptive follow-up tether cable connection mechanism includes: two semicircular pull rings and a sliding buckle connection assembly; the sensor group includes: angle sensors for measuring the two semicircular pull rings and a tension sensor arranged between the tether cable and the tethered unmanned aerial vehicle connection point; the direction indicated by the synthesis of the two semicircular pull rings is the traction tension vector direction, and the tension measured by the tension sensor is the size of the traction tension vector. The present invention provides a reliable basis and effect feedback for the tethered unmanned aerial vehicle flight control system to implement effective control, thereby ensuring flight safety.

The invention provides an unmanned aerial vehicle cluster laser energy transfer method in rainfall weather, which comprises the following steps: acquiring unmanned aerial vehicle cluster position data, and calculating Euclidean distances from a laser transmitter to each unmanned aerial vehicle according to the unmanned aerial vehicle cluster position data; acquiring real-time rainfall data, and calculating a charging efficiency factor of each unmanned aerial vehicle according to the real-time rainfall data and the Euclidean distance; obtaining an unmanned aerial vehicle cluster execution task list, and obtaining an unmanned aerial vehicle charging sequence list according to the unmanned aerial vehicle cluster execution task list; calculating charging time according to the unmanned aerial vehicle charging sequence list and the charging efficiency factor; and charging the unmanned aerial vehicle cluster according to the charging time. According to the method, the attenuation characteristics of laser propagation in the rain are analyzed, the working priority and the charging efficiency of the single unmanned aerial vehicle are considered under the condition that the charging power is limited, and the charging time is reasonably distributed by taking the improvement of the overall hang time of the unmanned aerial vehicle cluster as a target.

The invention relates to the technical field of bionic fishes, in particular to a fish flying robot, a control system and a control method.The fish flying robot comprises a control module, a pectoral fin movement module, a tail movement module and a shell, the shell is of a fish-shaped structure, and the control module is electrically connected with the pectoral fin movement module and the tail movement module; the pectoral fin movement module is movably connected with the middle of the shell and comprises two pectoral fins, and the two pectoral fins are arranged on the two sides of the shell respectively. The tail movement module comprises a first driving mechanism, a universal joint assembly and a tail swinging assembly which are sequentially connected, the first driving mechanism is fixedly connected with the shell, and the universal joint assembly and the tail swinging assembly are both movably connected with the shell; the universal joint assembly is used for converting torque output by the first driving mechanism into force for driving the tail swinging assembly to swing in a reciprocating mode, and the control module is electrically connected with the pectoral fin movement module and the tail movement module. The flying fish robot can completely simulate underwater movement and gliding movement of flying fishes, and the movement performance and the hang gliding time are both improved.

The invention belongs to the technical field of food production and processing, and particularly relates to a precise powder batching device for food production and processing, which comprises a stirring barrel, a sealing cover is mounted at the top of the stirring barrel, a feed hopper communicated with an inner cavity of the stirring barrel is embedded in the top of the sealing cover, a discharge pipe is arranged right below the bottom end of the stirring barrel, and the discharge pipe is connected with the stirring barrel. Supporting plates which are connected with each other are fixedly connected to one side, opposite to the discharging pipe, of the bottom end of the stirring barrel; a stirring mechanism for stirring powder is arranged in the stirring barrel, the stirring mechanism comprises a first motor fixedly mounted at the top of the sealing cover, and the bottom end of an output shaft of the first motor penetrates through the stirring barrel and is fixedly connected with a rotating rod. Furthermore, the effects of further prolonging the powder mixing time and the mutual collision diffusion frequency of different powder materials are achieved, so that the powder materials which are continuously flapped, impacted and rotationally raised are mixed more uniformly.

The utility model discloses plant liquid air purification equipment which is good in deodorization effect, simple in structure, small in size and capable of avoiding nozzle blockage, not influencing the humidity of a working area and reducing the consumption of plant liquid. The plant liquid air purification equipment comprises a PLC (Programmable Logic Controller) control system, a plant liquid bottle, a gasification pump, a turbofan, a Venturi mixer and a gasification head which are arranged in a three-layer cabinet body, the PLC control system, the plant liquid bottle and the gasification pump are arranged on the upper layer of the cabinet body, the turbofan and the Venturi mixer are arranged on the middle layer of the cabinet body, and the PLC control system is in circuit connection with the gasification pump and the turbofan; the gasification head is arranged above the plant liquid bottle, the plant liquid bottle is connected with the inlet end of the gasification head through a liquid conveying pipe, and the gasification pump is connected with a high-pressure gas connector of the gasification head through a gas pipe. The outlet end of the gasification head is connected with the negative pressure end of the venturi mixer through an air pipe, the turbofan is connected with a high-pressure air inlet of the venturi mixer through an air pipe, and the outlet end of the venturi mixer is connected with an air pipe opening in the side wall of the lower layer of the cabinet body through an air supply pipe.