12results about How to "Appropriate width" patented technology

The object carrying box structure comprises a box body, a guide frame is fixedly connected to the upper end of the box body, a moving frame is slidably connected to the outer side of a rod piece of the guide frame, an adjusting seat is slidably connected to the outer side of the moving frame, and a connecting frame is fixedly connected to the upper end of the adjusting seat; an unmanned aerial vehicle undercarriage is slidably connected into the connecting frame, an adjusting mechanism is arranged on the adjusting seat, a hanging mechanism is arranged on the guide frame, and a box door is hinged to the left end of the box body. The guide frame, the mounting mechanism, the connecting frame and other structures are additionally arranged on the box body, when the carrying box needs to be mounted on the unmanned aerial vehicle, the connecting frame can be driven to move through screw-thread fit between a positive and negative screw rod and an inner threaded pipe, and the connecting frame can slide to the outer side of an undercarriage of the unmanned aerial vehicle in the moving process; therefore, rigid hanging of the carrying box can be achieved, and the stability of the carrying box in the flying process can be effectively guaranteed.

The invention discloses a dual-stage interval state estimation method for an electric-thermal integrated energy system, and the method comprises the steps: analyzing the uncertainty of wind power output, and constructing a wind power output uncertainty domain ellipsoid convex model; constructing a measurement model of the electric-thermal comprehensive energy system; based on the wind power output uncertain domain ellipsoid convex model, establishing an integration form of a measurement model and a measurement model of the electric-thermal integrated energy system; based on the model in the integration form, constructing an interval estimation model of the electric-thermal integrated energy system; based on an electric-thermal integrated energy system interval estimation model, first-stage interval estimation of an electric power system and a hydraulic network is realized; according to the first-stage interval estimation data, two-stage interval estimation of the thermal network is realized based on an interval linear programming model; and outputting an IEHS state quantity interval value. The method has obvious advantages in solving performance, is high in calculation efficiency and moderate in interval estimation result width, and is more suitable for practical engineering application.

The artificial tracheal stent comprises a core material, the core material is sequentially bent to form arc sections and connecting sections, the arc sections are in a C shape, the multiple arc sections are sequentially arranged in the preset direction at intervals, and the connecting sections are connected with the arc sections. And every two adjacent arc sections are connected through the corresponding connecting section. According to the artificial tracheal stent, the core material is sequentially bent to form the arc sections and the connecting sections, the horseshoe-shaped arc sections are arranged at intervals to form a bionic tubular structure similar to the tracheal structure of the human body, the artificial tracheal stent has the good mechanical property, and therefore the functions of contraction and expansion can be achieved in the breathing process, and the artificial tracheal stent is suitable for being used in the breathing process. The physiological function requirements are met.

The utility model discloses a compression condensing unit convenient to overhaul, which comprises a unit shell, and a compressor module, a condensation evaporation module, a control valve module and a constant temperature water tank are arranged in the unit shell to form the compression condensing unit. The compressor module comprises a compression device, a gas-liquid separator is arranged on the lower portion of the compression device, and an air suction filter is arranged on the side face of the gas-liquid separator. The maintenance channel is arranged among the compressor module, the condensation and evaporation module and the constant-temperature water tank, the width of the channel is moderate, operators can enter the maintenance channel conveniently and carry out maintenance operation, the maintenance door is arranged on the surface of the unit shell, and the maintenance door corresponds to the maintenance channel. The top of the unit shell is provided with the two sets of ventilation channels, the inner top of the unit shell is provided with the ventilation holes, and the cooling fans are arranged in the ventilation holes, so that it is guaranteed that heat can be fully dissipated when the unit operates, and heat is prevented from being accumulated in the unit.

The invention relates to the technical field of shooting equipment, and provides an optical folding element, a camera module and electronic equipment. The optical folding element comprises a first surface, a second surface, a first side surface and a second side surface, the first surface and the second surface are arranged back to back, the first side surface and the second side surface are arranged back to back and connected between the first surface and the second surface, the optical folding element is provided with an incident surface and an emergent surface, the incident surface is located on the first surface, and the emergent surface is located on the second surface. The emergent surface is positioned on the first surface or the second surface; the optical folding element further comprises a plurality of first grooves, the first grooves are distributed in the first side face and / or the second side face, an included angle is formed between the length extending direction of projections of the first grooves in the first plane and the normal direction of the incident plane, the first plane is perpendicular to the first direction, and the first direction is the direction from the first side face to the second side face. The imaging quality of the optical folding element is good.

A hemodialysis pipeline fixing device with an air detection function comprises a fixing base, the fixing base is in a U shape, the two ends of the fixing base are each provided with a magnet, at least two pipeline clamping grooves are formed in the middle of the fixing base in the extending direction of the fixing base at intervals, the bottom of any pipeline clamping groove is provided with a concave arc face, and the concave arc face is provided with an air inlet. An air detection alarm device is embedded in the side wall of each pipeline clamping groove, and each air detection alarm device comprises an air detection sensor, an alarm, a controller and a power source. The fixing seat is fixed on the bed baffle through the magnetic attraction force of the magnets at the two ends, the width of the pipeline clamping groove is appropriate, and the dialysis pipeline can be well fixed. Once air enters the dialysis pipeline, the alarm quickly gives an alarm to remind medical staff to discover and treat the air in time, so that the air is prevented from entering a dialyzer and an intravenous pot to be agglutinated, and adverse consequences are avoided.

The utility model relates to the technical field of packaging cystosepiment feeding, in particular to a cystosepiment collecting and releasing device and a cystosepiment conveying assembly line, the cystosepiment collecting and releasing device is provided with a channel, piled cystosepiments are transversely arranged in the channel, and a conveying belt device supports the cystosepiments. When the first power push rod extends out, a stack of foam plates can be pushed out, and when the first power push rod retracts, the space is filled under the driving of the conveyor belt device, so that the foam plate conveying device is suitable for batch foam plate conveying, manpower is saved, and the conveying efficiency is high. The embodiment of the utility model is also provided with a screw rod mechanism. The lead screw mechanism comprises a hand wheel, a lead screw and a nut, when the hand wheel is rotated, the hand wheel drives the lead screw to rotate, the lead screw is matched with the nut, and due to the fact that the nut is fixed to the second frame, the front end of the lead screw drives the second push plate to move forwards or backwards, the width of the channel is adjusted to adapt to foam plates of different lengths, and the width of the channel is appropriate; and the foam plate is prevented from skewing when moving in the channel.

The utility model discloses a wrapping type rat fixing device, which belongs to the technical field of medical animal experiments, and is technically characterized by comprising a grid base, a head fixing belt and a trunk wrapping belt, the grid base is made of a planar net-shaped stainless steel material, and internal steel wires of the grid base can be tailored according to the body type of a rat; the base is connected with the head fixing belt and the trunk wrapping belt, the head fixing belt is formed by splicing a hook-and-loop fastener with a hook face and a loop face in a front-and-back mode, the head fixing belt is arranged above the trunk wrapping belt and used for fixing the head position of a rat, and the trunk wrapping belt is formed by sewing a piece of rectangular coarse cotton cloth and two pieces of rectangular hook-and-loop fasteners. The rat fixing device is arranged at the reserved position in the center of the grid base and used for wrapping the upper limbs, the trunk and the buttocks of a rat, is suitable for animal experiments of non-invasive intervention treatment, can effectively fix rats of different figures and reduce stress behaviors of the rats in the experiment process, and has the advantages of being stable in structure, low in cost, easy to operate and easy to clean and store.

The invention discloses a high-wettability sizing agent for sizing production of electronic-grade glass fiber yarns. The slurry comprises the following components in percentage by mass: 70-80% of modified starch, 15-25% of a PEG (Polyethylene Glycol) assistant, 1-3% of a sodium silicate alkaline dispersant, 1-3% of a moisture absorbent, 0.2-1% of a surfactant and 0.2-1% of an antistatic agent. The sizing agent disclosed by the invention can increase the infiltration of the interior of a yarn bundle in a sizing process and enhance the weaving property; yarn width after sizing is uniform, excessive shrinkage is avoided, and cloth cover appearance is optimized; and the sizing agent is convenient to desize and post-process and is green and environment-friendly. When the sizing agent is applied to weaving of glass cloth, the quality of a glass cloth finished product can be remarkably improved, and good application prospects are achieved.

This invention provides a method for designing stochastic frequency-modulated waveforms to suppress range sidelobes and range ambiguity. The method includes: Step 1: Initialization, inputting the center frequency f of the waveform. c The first step is to determine the bandwidth B and pulse width T; the second step is to determine the instantaneous frequency f of the RFM waveform based on the random Fourier coefficients. t The variance Var(f) t The third step: design N and D; after determining N, use Var(f) to define the range of N and D. t The range of D can be calculated from the range of ), and the largest possible D is selected within this range to obtain a narrower main lobe width; the fourth step: generate random Fourier coefficients; the fifth step: obtain the output RFM waveform. This invention can generate a large-capacity waveform set with low sidelobes, good quasi-orthogonality, high spectral compactness, and constant amplitude. At the same time, by increasing the number of waveforms, sidelobes can be effectively reduced and the maximum unambiguous distance can be extended.

The utility model relates to the technical field of batteries, and discloses a cover plate, a battery and a battery module, the cover plate comprises a cover plate body, an insulating part and an adapter block, wherein the switching block is arranged on the outer edge of the inner wall surface of the insulating part, the switching block comprises a first side wall surface, and one end, facing the insulating part, of the insulating sheet is suitable for being fixed on the first side wall surface. According to the cover plate with the structure, the switching block is arranged on the inner wall surface of the insulating part, and one end, facing the opening, of the insulating sheet is fixed on the first side wall surface, so that the insulating sheet is fixed, the insulating sheet is prevented from loosening and shifting, the pole group is better insulated and protected, the insulating sheet is matched with the insulating part, the pole group is prevented from being in contact with the shell or the cover plate body, and short circuit is avoided. According to the utility model, the switching block is block-shaped, has high strength and does not deform in the hot melting process, so that the insulation sheet and the switching block can be tightly hot-melted, and the insulation sheet is ensured to effectively wrap the pole group, so that the insulation sheet is stably fixed on the switching block, and the risk of short circuit is reduced.

The utility model discloses a juvenile crab pond structure which comprises an aquaculture pond body, a pond ridge is arranged in the aquaculture pond body and comprises a pond ridge slope, a secondary slope platform and a pond protection slope, the secondary slope platform is arranged below the pond ridge slope, the pond protection slope is arranged on the pond ridge slope and the secondary slope platform, a pond bottom is arranged below the pond ridge, and the pond bottom is connected with the pond ridge slope and the secondary slope platform. A water inlet is formed in one side of the aquaculture pond body, a water outlet is formed in the other side of the aquaculture pond body, the aquaculture pond body is improved on the basis of the prior art, in the using process, the width and the area of the aquaculture pond body are appropriate, economic losses caused by disease outbreak are relatively reduced, and waste caused by the fact that feed sinks into sludge can be effectively reduced by arranging the two-stage slope platform. The feeding of the river crabs can be conveniently observed; in addition, the second-level slope platform is also an operation platform during fishing, and operation is more convenient and effective compared with operation in the silt part at the bottom of the pond.