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162results about How to "Speed up delivery" patented technology

Unmanned aerial vehicle cruising and monitoring system for forest fire

The invention provides an unmanned aerial vehicle cruising and monitoring system for forest fire. The weight of the unmanned aerial vehicle is reduced, flight time is prolonged, an unmanned aerial vehicle cruising range is enlarged, route planning is carried out for fire monitoring, and an unmanned aerial vehicle flight control system is combined with a geographic information system. The route planning not only guarantees monitoring quality and monitoring full coverage but also considers the hardware parameters and the flight safety of the cruising unmanned aerial vehicle, a rotary head carries a thermal infrared imager and a colorful high-definition camera, the thermal infrared characteristics of the image of the forest fire are fully utilized, and an automatic monitoring and identification method for forest fire information is designed. Even if the forest fire monitoring distance of the unmanned aerial vehicle is long, fire characteristics can be accurately captured. A colorful high-definition image is compressed and transmitted back to a ground command post, a high-definition fire video image can be quickly transmitted to the ground, a fire position can be accurately reported, so that convenience is brought to the ground command post in accurately judging a fire situation and organizing people to fight the fire, and precious fire-fighting time is saved.
Owner:刘秀萍

Heat radiation device with pulsating flow and leaf vein type micro channel

The invention discloses a heat radiation device with a pulsating flow and a leaf vein type micro channel. The heat radiation device is used in cooperation with an electronic element, and comprises a heat radiator, a pulsating flow generation system and a solenoid valve controller. The heat radiator comprises a micro channel heat radiation substrate or a micro channel heat radiation plate with the leaf vein type micro channel, and a cover board. The pulsating flow generation system comprises a motor, a piston type hydraulic cylinder, two liquid inlet solenoid valves and two liquid outlet solenoid valves, wherein a pair of liquid inlets and a pair of liquid outlets are formed in the front end and the rear end of a cylinder body of the piston type hydraulic cylinder respectively, the two liquid inlet solenoid valves are correspondingly connected with the two liquid inlets of the hydraulic cylinder, and the two liquid outlet solenoid valves are correspondingly connected with the two liquid outlets of the hydraulic cylinder. The solenoid valve controller comprises a signal emitter and a signal receiver. The forward travel and the back travel of the piston type hydraulic cylinder can both provide a continuous pulsating cooling medium flow for the heat radiator, the continuous and effective heat radiation time of a heat radiation cooling plate is prolonged, the mutual disturbance and mixing of a cooling medium in the micro channel are obviously strengthened, and a heat boundary layer is damaged. Therefore, the heat radiation device with the pulsating flow and the leaf vein type micro channel has the advantages of being good in heat radiation effect, high in heat radiation efficiency, good in temperature uniformity in a heat radiation area, high in reliability and stability of work of elements and the like.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Data transmission method for integrated mixed optical network based on burst exchange

The invention pertains to a data transmission method in the optical network communication technology. The invention organically combines optical circuit switching (OCS) and optical burst switching (OBS) based on the original physical topological network, reserves wavelength in each physical link to establish an overflow transmission light path, transmits the discarded data packets of the original OBS due to booking collision into the light path to transmit continuously, accordingly resolving the problem of packet loss due to one time booking collision; most of the data packets in the network operation adopts an OCS mode transmission, and adopts an OBS mode overflow transmission light path to transmit the data packets to destination nodes when the data conveying capacity has a high a burst performance; and can switch back to the OCS mode transmission when the OCS light path is smooth, accordingly can flexibly adjust the transmission modes according to the current state of network and significantly reduce the packet loss rate. The present invention thus not only has high efficiency of OCS but also has flexibility of OBS, and has features of strong transmission capability and adaptability to burst data streams, rapid network transmission, high reliability, no additional optical devices and the like.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Titanium carbide-loaded stannous sulfide composite anode material

InactiveCN108963211AGood cycle performance and rate performanceImproved cycle performance and rate performanceCell electrodesSecondary cellsSolventUltrasonic oscillation
The invention relates to a titanium carbide-loaded stannous sulfide composite anode material. The composite anode material is a stannous sulfide anode material loaded with titanium carbide, wherein the loading capacity of titanium carbide is 3-9% of the mass of stannous sulfide. The composite anode material is prepared by the following specific method: mixing a sulfur source and a tin source, adding a solvent and stirring until the above substances are completely dissolved so as to obtain a sulfur-tin mixed solution; taking titanium carbide, adding a surfactant and deionized water, and carrying out ultrasonic oscillation until the substances are completely dissolved so as to obtain a titanium carbide dispersion; adding the titanium carbide dispersion into the sulfur-tin mixed solution, andtransferring the mixed solution into a reaction kettle to carry out a hydrothermal reaction; successively centrifuging, washing and drying the product after the reaction, and finally grinding to obtain a powder product; calcining the powder product in an inert gas atmosphere, cooling to room temperature with a furnace, and grinding the powder to obtain a product. This material shows better cycleperformance and rate performance than pure-phase stannous sulfide.
Owner:SHANGHAI UNIVERSITY OF ELECTRIC POWER

Conveying and impurity suction device for melt-blown cloth production

ActiveCN111826920ASmooth and smooth pressing and fixingPress and fix evenlyMechanical cleaningPressure cleaningEngineeringMechanical engineering
The invention discloses a conveying and impurity suction device for melt-blown cloth production, and belongs to the field of melt-blown cloth production equipment. A melt-blown cloth pressing rotary roller is arranged on the upper side of a cloth feeding and conveying rotary roller, a front material guide rotating roller and a rear material guide rotating roller are rotationally connected to a cloth conveying machining bracket in sequence, a front positioning cloth pressing plate is fixedly arranged on the upper side of a front lifting guide plate, a rear positioning cloth pressing plate is fixedly arranged on the upper side of a rear lifting guide plate, a cloth discharging and conveying rotary roller is rotationally connected to the cloth conveying machining bracket on one side of the rear material guide rotating roller, a lifting material guide rotating roller is rotationally connected to a lifting reciprocating guide plate, a reciprocating impurity suction material pipe is arrangedbetween the front positioning cloth pressing plate and the rear positioning cloth pressing plate, and an impurity suction connecting hose is arranged in the middle of the upper side of the reciprocating impurity suction material pipe in a communicating mode. The conveying and impurity suction device for melt-blown cloth production is reasonable in structural design, melt-blown cloth can be pressed and fixed intermittently, efficiently and stably in the conveying process, then the melt-blown cloth can be subjected to segmented impurity suction machining conveniently and smoothly, the automation degree of melt-blown cloth production and machining is improved, and the requirements of production and use are met.
Owner:桐乡市中瑞环保科技有限公司

Zero adjustment device for servo actuator

ActiveCN105041761AAvoid Zero Position OffsetReduce the number of repeated debuggingFluid-pressure actuatorsServo actuatorEngineering
The invention discloses a zero adjustment device for a servo actuator. The zero adjustment device comprises a piston rod, a displacement sensor and an adjustment component, wherein the adjustment component comprises a piston rod fixing part, a guide rod nut locking part and a zero adjustment part; outer threads of the hollow piston rod fixing part are connected with inner threads of a locking nut, and then are connected with inner threads of the piston rod, so that the piston rod cannot do lateral rotation; the hollow guide rod nut locking part penetrates through the hollow part of the piston rod fixing part and is arranged in a front-end nut so as to adjust the axial movement of the front-end nut; the zero adjustment part penetrates through the hollow part of the guide rod nut locking part, and one end of the zero adjustment part is arranged in a guide rod nut to adjust the guide rod nut, so that the axial movement of the displacement sensor is further controlled. According to the zero adjustment device disclosed by the invention, during a zero adjustment process, the zero position offset of a product is effectively avoided; the frequency of repeated debugging is reduced; the delivery schedule of the product is accelerated; and the labor cost is reduced.
Owner:BEIJING RES INST OF PRECISE MECHATRONICS CONTROLS +1
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