18results about How to "Reduce projected area" patented technology

The application discloses a longitudinally foldable water-air dual-purpose propeller, and belongs to the technical field of cross-medium aircraft propulsion, comprising a new-configuration hub, a longitudinal folding mechanism, a limiting structure and a down-bending propeller blade with a preset down-bending angle; the configuration of the propeller enables the down-bending propeller blade to be completely unfolded to form a first working configuration through centrifugal force in air, and the down-bending propeller blade to be passively folded and limited to form a second working configuration through hydrodynamic lift in water; the longitudinally foldable water-air dual-purpose propeller can automatically complete mode switching according to the difference between working media without any active control mechanism, and can maintain high efficient propulsion performance in both media.

The utility model relates to a kind of monotonic power type centrifugal impeller of medium-high specific speed and centrifugal pump applying it, solve the problems, such as the characteristic that power cannot present monotone increasing when high specific speed or need additional structure or component to generate high cost of prior art, the technical scheme used includes front cover, back cover, the equal angle distribution of several blades along circumferential direction being set between the front cover and back cover, it is characterized in that the blade is backward-inclined twisted blade, the convex surface of the blade is pressure surface, the concave surface of the blade is non-pressure surface, the water outlet end of the blade is axially inclined arrangement, parallel line parallel to impeller axis is made through the water outlet end surface of the blade, the water outlet end surface of the blade and the parallel line between there is included angle α, 0°≤α≤30°.Its effect: change the shape of blade, so that the impeller of medium-high specific speed presents monotone increasing characteristic, and does not additionally increase external structure or component, can effectively control reasonable cost.

The invention discloses a semiconductor device and a manufacturing method thereof, and an electronic device, and the semiconductor device comprises a semiconductor substrate, a first interlayer dielectric layer is formed on the semiconductor substrate, and a metal interconnection structure is formed in the first interlayer dielectric layer; the second interlayer dielectric layer is located above the first interlayer dielectric layer, a high-resistance layer penetrating through the second interlayer dielectric layer is formed in the second interlayer dielectric layer, and the high-resistance layer is of a U-shaped three-dimensional structure; the orthographic projection of the high-resistance layer on the surface of the semiconductor substrate is not overlapped with the orthographic projection of the metal interconnection structure on the surface of the semiconductor substrate. According to the invention, the high-resistance layer is formed into the U-shaped three-dimensional structure, so that the projection area of the high-resistance layer on the surface of the semiconductor substrate can be reduced.

This application relates to an aviation battery, including a casing and an energy storage unit, a support plate, and an electrical unit disposed within the casing. The bottom wall of the casing has spaced-apart limiting strips, and between adjacent limiting strips are spaced-apart height limiting strips with a height lower than the limiting strips. The energy storage unit is placed on the height limiting strips and abuts against two adjacent limiting strips in the length or width direction of the casing. Each limiting strip has an overflow space, which communicates with the gap formed between two adjacent height limiting strips. The support plate supports the electrical unit above the energy storage unit, and the support plate and the energy storage unit are jointly fixed to the bottom wall of the casing by fasteners. This design ensures that the adhesive is evenly spread and excess adhesive is drained during the coating process, meeting the uniformity and controllability requirements of aviation-grade adhesive coating. Simultaneously, the double-layer structure improves spatial integration, reduces the number of fasteners, enhances overall structural stability, and solves the problem of difficult component assembly in confined spaces.

The utility model relates to electronic component testing equipment technical field especially a general diode test seat, including base, upper cover, at least two claw type elastic probe and connecting assembly, the base is along its length direction and is set up through type bearing groove, the both ends of bearing groove length direction are coaxial cylindrical surface end wall, the upper cover is along its length direction and is set up through type cover groove, and the both ends of cover groove length direction are the arc end wall of coaxial with bearing groove end wall, the upper cover is through connecting assembly and covers on the base, makes bearing groove and cover groove position coincidence and forms the restraint cavity of diode middle part limit, claw type elastic probe position corresponds with the restraint cavity position and claw type elastic probe part extends in the outside of base and upper cover, can improve single equipment test containing capacity through the utility model, makes the test efficiency greatly improve.

This application relates to an oven apparatus. The oven apparatus includes an inlet, an outlet, and an electrode transport path located between the inlet and the outlet, with an oven assembly arranged along the electrode transport path. The electrode transport path includes a first transport path between the inlet and the oven assembly, and a second transport path between the oven assembly and the outlet. At least a portion of the first and second transport paths are arranged along the height direction of the oven apparatus. The solution provided by this application can reduce the floor space required, lower the complexity of installation and maintenance, and reduce manufacturing costs.

The invention relates to the field of force sensors, and discloses an orthogonal bidirectional force sensor of a variable cross-section cantilever structure and a measurement method, and the orthogonal bidirectional force sensor comprises a base, an elastic body, a first strain gauge group for detecting a first direction load component, a second strain gauge group for detecting a second direction load component, and a signal processing unit. The first direction is orthogonal to the second direction; the elastic body comprises a first cantilever and a second cantilever, the root of the first cantilever is fixed to the base, the tail of the first cantilever is perpendicularly connected with the side face of the root of the second cantilever, the tail of the second cantilever is a free end, the first strain gauge set is arranged on the first cantilever, and the second strain gauge set is arranged on the second cantilever. The first strain gauge group and the second strain gauge group are connected with the signal processing unit; the first cantilever adopts a first variable cross-section design. The invention has the advantages that the cross interference is reduced, the optimal balance between the sensitivity and the rigidity is realized, the space compactness and the integration degree are extremely high, and the manufacturing and calibration process is simplified.

This invention discloses a belt-type thickening and dewatering integrated machine for wastewater treatment and reuse, relating to the technical field of sludge dewatering equipment. The integrated dewatering machine includes a mounting frame, with a first filter belt located in the middle of the inner side of the mounting frame. A second filter belt, working in conjunction with the first filter belt, provides compression for the sludge. A first roller and a second roller, providing drive path guidance for the first and second filter belts, are rotatably mounted inside the first filter belt. A tail scraper, providing sludge feed to the first filter belt, is located at the end of the first filter belt. A cleaning frame is located at the bottom inner side of the first filter belt. This invention overcomes the shortcomings of existing technologies, achieving water-saving and efficient dead-angle cleaning and regeneration, and is adaptable to different types of viscous sludge, significantly improving dewatering efficiency and applicability, thus possessing high social value and application prospects.

This utility model relates to the field of machinery technology for oil drilling engineering, and particularly to a multi-directional adjustment device for a drill bit and a drill bit itself. The multi-directional adjustment device includes a lifting and rotating mechanism, a telescopic mechanism, a C-frame, and an adjustment assembly connected to the top of the C-frame. The telescopic mechanism includes a first telescopic assembly, a connecting assembly, a second telescopic assembly, and a telescopic drive assembly, all hinged sequentially along its length. A pipe handling device is mounted on the C-frame. The lifting and rotating mechanism drives the telescopic mechanism to vertically lift and rotate, while the telescopic drive assembly drives the first and second telescopic assemblies to expand or retract, allowing the pipe handling device to move to the drill bit position. The adjustment assembly adjusts the horizontal angle of the pipe handling device. The multi-directional adjustment device enables flexible and precise adjustment of the pipe handling device in multiple directions, and its overall structure is simple, using few parts and resulting in low cost.

The utility model relates to the technical field of cigarette carton sorting, and discloses a cigarette carton sorting system and a cigarette carton sorting logistics layout, the cigarette carton sorting system comprises a supporting platform, a cigarette carton sorting unit is arranged above the supporting platform, and a special-shaped cigarette sorting unit is arranged below the supporting platform; the storage and distribution integrated system comprises a speed multiplication chain arranged below the supporting platform and a multi-penetrating stereoscopic warehouse arranged on the side face of the supporting platform, and the storage and distribution integrated system is suitable for temporarily storing standard fine cigarettes and special-shaped cigarettes; the storing and sorting integrated system is connected with the standard fine cigarette sorting unit through the standard fine cigarette replenishment line and connected with the special-shaped cigarette sorting unit through the special-shaped cigarette replenishment line. The cigarette sorting system provided by the utility model is provided with the standard fine cigarette sorting unit and the special-shaped cigarette sorting unit so as to meet the sorting requirements of full-standard cigarette cartons, and the standard fine cigarette sorting unit and the special-shaped cigarette sorting unit are arranged to be an upper layer and a lower layer so as to save the projection area required by the arrangement of the cigarette sorting system. The method is suitable for transformation of the sorting line in a small plant.

The application provides a display backboard and a display device, and relates to the technical field of display. The display backboard comprises a plurality of pixel circuits arranged at intervals, a light transmission area between the pixel circuits, a plurality of first connecting lines extending along a first direction, and two adjacent pixel circuits connected by the first connecting lines. The pixel circuit comprises a first gate line, a first channel line and a second gate line arranged in sequence. The first channel line extends along the first direction as a whole. The first gate line and the second gate line extend along a second direction as a whole. The first gate line, the first channel line and the second gate line form a first transistor at an overlapping position. The second direction intersects the first direction. The first gate line and the second gate line are connected by a first lap joint line. The first lap joint line is connected to the first connecting line by a via hole.

This utility model relates to the field of communication base station technology, and in particular to a mobile integrated base station. It includes a cabinet with an inclined upper end. A solar panel assembly is rotatably mounted on the lower end of the inclined end. The upper end of the inclined end and the solar panel assembly are fastened together with bolts. Support rods are rotatably mounted on the side walls of the cabinet. The side walls of the solar panel assembly have insertion holes that mate with the support rods. A recessed groove is provided at the upper end of the inclined end, with the bottom wall of the groove recessed towards the rear wall of the cabinet. A mesh panel is detachably mounted on the rear wall of the cabinet at the bottom of the recessed groove. The recessed groove structure at the top of the cabinet allows electrical components to be embedded and installed without interference from the main equipment due to placement inside the cabinet. It also eliminates the need for maintenance personnel to reach into the cabinet through the door for disassembly and assembly, making operation more convenient. The three-point support structure formed by the rotating and adjustable solar panels and the support rods expands the operating space during maintenance, shortening the time required for line disconnection.

This invention relates to a power conversion device and a method for manufacturing the same. The power conversion device includes a power module, a cooling plate, and a cooler. The cooler has: a cooling flow path for refrigerant to flow along another side of the cooling plate; a first flow path hole that is spaced apart from the cooling flow path on the opposite side of a first side of the cooling flow path, closer to the power module side, and extends from a third side of the cooling flow path to a fourth side of the cooling flow path; a second flow path hole that is spaced apart from the cooling flow path on the opposite side of a second side of the cooling flow path, closer to the power module side, and extends from a third side of the cooling flow path to a fourth side of the cooling flow path; a first connecting portion connecting the cooling flow path to the first flow path hole; and a second connecting portion connecting the cooling flow path to the second flow path hole. When viewed in a direction perpendicular to the cooling plate, the power module is configured to overlap with at least a portion of the first flow path hole and the second flow path hole.

The application relates to the technical field of gimbal adjustment, in particular to a multi-angle gimbal adjustment device for unmanned aerial vehicles used for remote sensing surveying and mapping, which comprises a lower frame body, the upper surface of the lower frame body is movably connected with an upper frame body, the upper surface of the lower frame body is threadedly connected with a shock-absorbing ball, the upper end of the shock-absorbing ball is threadedly connected with a standard nut, the lower surface of the lower frame body is fixedly connected with a mounting bracket, the upper surface of the mounting bracket is embeddedly connected with a first servo joint, the lower surface of the upper frame body is fixedly connected with a horizontal rail, and the lower surface of the lower frame body is provided with a passive clamping mechanism. In the application, the two gimbals after being converged are synchronously translated along the same short-section guide rail, the position of a camera is flexibly adjusted, the side flight of the camera is avoided to cause attitude mismatch, further iteration of aerial triangulation encryption is avoided to be not convergent or to cause layered misplacement, the phenomenon of drawing and hole breaking occurs during facade modeling, the aerodynamic drag coefficient increases during side flight, the endurance time is shortened, and the collision risk is obviously increased because there is usually no obstacle avoidance sensor in the lateral direction.

The utility model provides a kind of coal-fired boiler primary air and secondary air hot water air heater device, it is related to coal-fired boiler field.The coal-fired boiler primary air and secondary air hot water air heater device, including the low-temperature coal economizer circulation line for heating, the water outlet end of low-temperature coal economizer circulation line is connected and has heat source inlet pipe through, the water inlet end of low-temperature coal economizer circulation line is connected and has heat source return pipe through, between heat source inlet pipe and heat source return pipe and be connected with primary air fan air heater and air supply fan air heater, the coal-fired boiler primary air and secondary air hot water air heater device, by the heat absorbed by low-temperature coal economizer, utilize low-temperature coal economizer circulation line to be delivered to air heater, by air heater to the air of primary air fan and air supply fan is heated, improve downstream air preheater heat exchange equipment's cold end comprehensive exhaust smoke temperature, to be able to realize the reasonable use of heat, simultaneously, flow regulating valve is connected and set in air heater and heat source inlet pipe connection place, different warm air heater can be passed into different flow heat source, and then targeted adjustment device can be carried out.

This invention provides a vertically stacked integrated sauce filling and packaging machine and method. The filling outlet and a volumetric metering cylinder are vertically stacked and integrated above the packaging machine table via a bracket. The filling outlet is vertically aligned with the filling station of the packaging conveying device. The total length of the material conveying path does not exceed 80 cm and has no horizontal pipe sections. The distribution valve selectively connects the feed side to the metering cylinder or the metering cylinder to the filling outlet side. This invention fundamentally eliminates three major problems caused by long pipelines in separate production lines: pressure fluctuations and inaccurate metering, particle settling in horizontal pipe sections, and difficulty in pipeline cleaning. It also integrates an auxiliary positioning and shock absorption device, a T-type negative pressure linkage anti-drip stop valve, a square-to-round quick-release connector with no dead angles, and a large-diameter swing-type non-shearing reversing valve. The filling accuracy can be stabilized within ±1%, the particle distribution is uniform and complete, the changeover and cleaning efficiency is significantly improved, and the overall machine structure is compact and occupies little space.

This invention discloses soybean GmMADS33, its homologous gene, and its applications. The amino acid sequence of GmMADS33 is shown in SEQ ID NO.3, and the nucleotide sequence of its encoding gene is shown in SEQ ID NO.1. Compared to the cultivated soybean variety Williams, gmmad33 Single protrusion and gmmads33 / gmmads34 Soybeans exhibited reduced pod width and projected area, as well as a decrease in 100-kernel weight; GmMADS33 Soybeans with -OE exhibit increased pod area, higher 100-seed weight, and increased number of pods, seeds, and yield per plant. Therefore, GmMADS33 These genes play an important role in regulating pod size, pod number, seed number, and seed weight, and are key regulatory genes for soybean pod size, seed weight, and seed number.

The present application relates to the technical field of hydroelectric power generation equipment, and particularly relates to an offshore floating wave energy power generation device, which comprises a bearing device, a floating platform, a converging channel, a generator, a transmission shaft and a transmission module, the bearing device is fixedly arranged on the water bottom, the floating platform is arranged on the water surface and connected with the bearing device through a cable, the converging channel is arranged in the floating box body of the floating platform and communicated with the inner cavity of the assembly cylinder body of the floating platform, the generator is fixedly arranged at the top port of the assembly cylinder body, the transmission shaft is rotatably arranged in the inner cavity of the assembly cylinder body and connected with the power input end of the generator, and the transmission module is arranged in the inner cavity of the assembly cylinder body and connected with the transmission shaft and used for driving the transmission shaft to rotate. The core components such as the generator and the transmission module are arranged on the floating platform floating on the water surface, so that the user can maintain the device, and the problem of difficult equipment maintenance in the prior art is solved.