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93results about How to "Convenient and efficient control" patented technology

Variable-structure mobile robot capable of making orthogonal bidirectional movement and control method of variable-structure mobile robot

The invention discloses a variable-structure mobile robot capable of making orthogonal bidirectional movement and a control method of the variable-structure mobile robot. The variable-structure mobile robot capable of making orthogonal bidirectional movement comprises a chassis, a separation type variable-position driving mechanism, a variable-position motor, an integral variable-position driving mechanism, a variable-position electric push rod, a driving wheel motor A, a driving wheel motor B, a driving wheel A, a driving wheel B, a follower wheel A, a follower wheel B, a control device and a guiding sensor. The separation type variable-position driving mechanism is installed on the chassis, and the position, relative to the chassis, of the axis of the driving wheel A is changed while the position of the driving wheel motor A is kept unchanged. The integral variable-position driving mechanism is installed on a top cover, and the position, relative to the chassis, of the axis of the driving wheel B is changed by changing the height of the top cover. The axis of the driving wheel A is orthogonal with the driving wheel B, and the lowest position of the axis of the driving wheel A is the same as that of the driving wheel B. Orthogonal bidirectional movement of the mobile robot is achieved by changing the driving wheels making contact with the ground, the movement direction can be freely switched between orthogonal directions in the same plane, and the movement maneuverability and flexibility of the mobile robot are enhanced.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

315MHz/ 433 MHz wireless communication networking method

The invention discloses a 315MHz / 433 MHz wireless communication networking method. The method comprises a base node, route nodes, terminal nodes, a configuration node and a gateway node. The configuration node is used for carrying out channel and network environment scanning; in a single network environment, the configuration node selects a clean network environment for the base node; then, the base node analyzes the network environment through the configuration node, selects an appropriate channel and establishes network ID; the configuration node can allocate the terminal nodes to the base node and can also configure the route nodes simultaneously; the route nodes are mounted to a base node network; the terminal nodes can be allocated under the route nodes, and information of a part of terminal nodes is collected through the route nodes and the information is uploaded to the base node; and the disperse single base node manages the information of the plurality of terminal nodes. The method expands a conventional 315MHz / 433 MHz wireless star-type networking mode, can set a single network environment and a multi-network environment, can realize the functions of large-range coverage and efficient and convenient control and the like, and is low in cost.
Owner:云南爱家智慧家庭科技有限公司

Alpha, beta and gamma radioactive aerosol continuous sampling and measuring device

The invention relates to an alpha, beta and gamma radioactive aerosol continuous sampling and measuring device which comprises a frame, a sampling chamber, a measuring chamber, a boosting motor, a tape conveying motor, a tape collection plate, a tape feeding plate, a filter paper tape, a passivated ion implantation plane silicon detector and a sodium iodide detector. The sampling chamber comprises an upper air chamber and a lower air chamber, and the upper air chamber and the lower air chamber are communicated with each other; the top of the upper air chamber is provided with an air inlet, and the bottom of the lower air chamber is provided with an air outlet; the measuring chamber comprises an upper measuring chamber and a lower measuring chamber, and the upper measuring chamber and the lower measuring chamber are communicated with each other; an output end of the boosting motor is connected with an eccentric shaft through a speed reducer, and the eccentric shaft is connected with both the upper air chamber and the upper measuring chamber through a connecting rod; the tape conveying motor is arranged on one side, close to the measuring chamber, of the frame; the tape collection plate is connected with the tape conveying motor through a speed reducer; the tape feeding plate is arranged on the other side of the frame; one end of the filter paper tape is wound on the tape feeding plate, and the other end of the filter paper tape sequentially penetrates between the upper air chamber and the lower air chamber and between the upper measuring chamber and the lower measuring chamber and then are wound on the tape collection plate; the passivated ion implantation plane silicon detector is arranged at the bottom of the upper measuring chamber; the sodium iodide detector is arranged in the lower measuring chamber.
Owner:BEIJING RADIATION APPL RES CENT

Distributed power supply device

ActiveCN102938585AMeet the certification requirementsMeet the upper limit requirementPower network operation systems integrationCircuit arrangementsElectrical batteryControl signal
A distributed power supply device comprises a plurality of batteries or battery pack units which are cooperated to supply power for each electrical appliance of same equipment. The distributed power supply device comprises a controller, a control signal channel, a plurality of batteries or battery packs, a plurality of electrical appliances and a power circuit connecting the batteries or battery packs with the electrical appliances. Each battery or battery pack supplies power to one electrical appliance or a part of the electrical appliances. Physical isolation and electrical isolation are adopted among the plurality of the batteries or the battery packs, and among the corresponding electrical appliances, therefore, the plurality of batteries or battery packs and the corresponding electrical appliances can be taken as a plurality of independent units electrically, the electric power can be effectively distributed onto a plurality of independent lines, and further the safety of the system is improved in a specific environment. Meanwhile, the on/off state and the running state of each electrical appliance are uniformly controlled by the controller, so that the distributed power supply device has the advantages of central-station control and convenience in operation.
Owner:SOUTHWEST UNIVERSITY

Seedling water and fertilizer integrated irrigation device for sunflower cultivation

The invention provides a seedling water and fertilizer integrated irrigation device for sunflower cultivation, and belongs to the technical field of agricultural equipment. The seedling water and fertilizer integrated irrigation device for sunflower cultivation comprises a bottom plate, a water tank and a spiral pipeline, one side of the upper surface of the bottom plate is fixedly connected with a smashing box, the lower portion of the inner wall of the smashing box is fixedly connected with a material guide plate, and smashing rollers penetrate through the two sides of the inner wall of the smashing box through rotating shafts. According to the seedling water and fertilizer integrated irrigation device for sunflower cultivation, through the arrangement of the smashing box, a stepping motor, a feeding groove, a material shielding plate, the smashing rollers, a material guiding plate, the spiral pipeline, a motor box and a storage cabinet, when the device is used for irrigating sunflower seedlings, a handle is held by a hand to open a cabinet door of the storage cabinet, tools can be rapidly stored, convenience is provided for irrigation work, use is more convenient, fertilizer feeding through the feeding groove is simpler and more convenient, and meanwhile scattering and leakage of the fertilizer during smashing can be effectively avoided through the material shielding plate.
Owner:甘肃省农业科学院作物研究所

Biomass particle burner with vane drum type furnace bridge

The invention belongs to the technical field of biomass burning equipment and in particular relates to a biomass particle burner with a vane drum type furnace bridge. The biomass particle burner with the vane drum type furnace bridge comprises a burning part and a slag discharge part, wherein the burning part is composed of a burning chamber, a spiral feeder, an igniter, an air duct chamber arranged outside the burning chamber and an air supply tank arranged on one side of the air duct chamber; the slag discharge part is arranged below the burning chamber; the spiral feeder and the igniter are arranged, penetrating through the air duct chamber and the air supply tank; and the slag discharge part is composed of the vane drum type furnace bridge, a slag receiving tank arranged below the vane drum type furnace bridge and a transmission device which drives the vane drum type furnace bridge to rotate. According to the biomass particle burner with the vane drum type furnace bridge, the problem that the burner is difficult in slag discharge and is blocked due to coking after easy-coking stalk biomass particles are burned is pointedly and completely solved; and as intermittent type rotary slag removal is used, the slag removal time is short, the biomass particles are more fully and stably burnt, and thus the burning efficiency of raw materials is improved, and the utilization ratio of the raw materials is increased.
Owner:黄辉
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