54results about How to "Simple plan" patented technology

The invention discloses a stretch-bending composite fatigue test device and method for an engine blade (centrifugal impeller) simulation sample in a high-temperature corrosion environment. The device comprises an axial load system, a transverse vibration system, a temperature control system and a measurement system. The axial load system applies an axial pull-pull load to the simulation sample through a pin, the transverse vibration system provides a transverse bending vibration load for the simulation sample, the temperature control system provides the temperature of an engine in a real working environment for an examination part of the simulation sample, and meanwhile, according to the tension-bending composite fatigue test requirement, the test accuracy is improved. A simulation sample is designed according to a local position load of an engine blade (centrifugal impeller), a salt mist spraying / deposition mode is adopted on the surface of the sample to simulate a sea salt mist corrosion environment, the real stress, temperature and corrosion environment of an engine are accurately reflected, and the test can more accurately simulate the stretch-bending composite fatigue condition of a dangerous part in the working process.

The invention belongs to the field of secondary batteries, and particularly relates to an aqueous zinc ion battery electrolyte additive and an electrolyte. The additive is a beta-diketone organic reagent. When the additive is added into the zinc salt-containing electrolyte, dendritic crystal growth and hydrogen evolution corrosion of zinc can be remarkably inhibited, so that the cycle performance and coulombic efficiency of the zinc ion battery are improved. According to the invention, the zinc ion battery has good cycle performance, is easy for industrial production, and has an application prospect in the technical field of energy storage.

The embodiment of the invention discloses a robot-assisted transauditory meatus inner ear injection sampling operation path planning method. The method comprises the following steps: acquiring original image data of a patient; performing auditory meatus target structure segmentation on the CT sequence image by using an artificial intelligence segmentation model; performing three-dimensional reconstruction on the ear canal target structure; selecting a starting point, a tympanic membrane punching point and a round window membrane needle inserting point according to the three-dimensional reconstruction image; performing path search by using an improved A * path planning algorithm; and carrying out smoothing processing on the path by using cubic spline interpolation so as to obtain a final planned path. Operation path planning is simplified, objective and scientific, subjective operation path deviation caused by clinical experience is reduced, the learning curve of a doctor is shortened, and the operation success rate is increased.

The utility model discloses a high-voltage fixed switch cabinet, which belongs to the technical field of electrical equipment and comprises a circuit breaker chamber and a cable chamber, a horizontal support is arranged between the circuit breaker chamber and the cable chamber, a lightning arrester is arranged on one side, far away from the circuit breaker chamber, of the horizontal support, and the lightning arrester is horizontally arranged on the horizontal support. The horizontal support is used for installing and supporting part of components, the lightning arrester is arranged on the horizontal support, so that the wiring mode in the cabinet body of the switch cabinet can be simplified to the greatest extent, the positions among other components are relatively concentrated, and the lightning arrester is generally located at the bottom of a cable chamber and is farthest from the other components, so that the wiring mode is simplified; according to the scheme, the position of the lightning arrester is reasonably changed, so that the wiring difficulty in the whole switch cabinet body is reduced, and the wiring mode is simplified.

The utility model discloses a clamping mechanism and an oscillation device for a textile heating oscillation color testing machine, and belongs to the technical field of textile heating oscillation color testing. According to the clamping mechanism for the textile heating oscillation color testing machine, the telescopic piece, the telescopic sleeve piece and the pin joint piece are arranged to form one or more supporting arms with the adjustable length, and the posture of the one or more supporting arms is adjusted through the line-driven traction assembly so that the clamping range of the clamping mechanism can be adjusted; therefore, tray type containers can be effectively clamped, the device is particularly suitable for the field of textile oscillation color testing, and the textile heating oscillation color testing machine is convenient to popularize and use. Meanwhile, the telescopic piece is matched with the telescopic rod sleeve piece, heating trays of various sizes can be clamped, the height of the container can be adjusted so that the container can be suitable for various occasions, and the scheme is simple, practical and feasible.

The invention discloses an embedded part positioning and adsorbing device and an embedded part construction method, and relates to the technical field of embedded part construction.The embedded part positioning and adsorbing device comprises a frame, powerful magnets are installed on the frame, and the frame is used for being attached to a wood formwork and corresponds to an embedded part on the other side of the wood formwork; therefore, the embedded part is adsorbed and attached to the wood formwork. By the adoption of the technical scheme, the embedded part is attracted through the powerful magnet, the embedded part is made to be tightly attached to the wood formwork, then the surface of the embedded part after concrete solidification can be flush with the surface of the concrete, follow-up construction precision is improved, the overall scheme is simple, cost is low, and the good result rate is achieved.

The invention discloses a drainage pipe network external water inflow key area discrimination, sewage plant rationality evaluation and pipe network repair engineering effect estimation method, and belongs to the technical field of water supply and drainage and municipal engineering. The distinguishing method comprises the following steps: step 1, dividing the drainage pipe network into a plurality of areas; 2, listing an equation set for the districts; 3, measuring and calculating background flow Qb and background concentration Cb; 4, measuring and calculating the total external water concentration Cw; 5, measuring and calculating the total effluent concentration Ct; sixthly, the total transfer water flow Qz and the total transfer water concentration Cz are measured and calculated; step 7, solving the value of Qw / Qt; and 8, completing the judgment of the drainage pipe network external water inflow key area. According to the invention, areas with serious inflow of external water can be checked in a targeted manner, the checking cost is reduced, and the checking efficiency is improved.

The utility model discloses a device with a flow guide wire bearing ring sheet and flow guide wires, which comprises a secondary air flow guide ring, the secondary air flow guide ring comprises a flow guide wire bearing ring sheet for bearing a plurality of flow guide wires and a plurality of flow guide wires, the flow guide wire bearing ring sheet is a sheet-shaped ring and has an inner diameter and an outer diameter, and the flow guide wires are arranged in the flow guide wire bearing ring sheet. And the flow guide wires are used for forming a secondary air flow channel. The utility model provides a simple, convenient, economical and feasible solution for simultaneously realizing high-recovery-rate collection and small-particle removal of powder products.

The invention belongs to the technical field of foaming materials, and particularly relates to cellulose modified polyurethane foam with high cohesion, a preparation method and application. The cellulose modified polyurethane foam provided by the invention is obtained by uniformly mixing cellulose or a derivative thereof, isocyanate, an amine catalyst, a foam stabilizer, polyether polyol, an organic metal catalyst and deionized water, heating and curing, wherein the cellulose or the derivative thereof is non-fat-soluble cellulose or a derivative thereof. The cellulose modified polyurethane foam has the characteristics of stable pores, uniform pore diameter, high toughness, high cohesion and compression resistance, and is suitable for portable electronic equipment and precision electronic equipment.

The utility model discloses a yarn placing rack which comprises a base, the top of the base is fixedly connected with a right side plate and a left side plate, a placing shaft is rotatably connected between the right side plate and the left side plate, a placing assembly is arranged on the placing shaft, a sliding groove is formed in the left side wall of the left side plate, a sliding block is slidably connected in the sliding groove, and a yarn placing assembly is arranged on the sliding block. A rack is fixedly connected to the left side wall of the sliding block, an inner electric rod is fixedly connected to the front side wall of the rack, and an outer box is fixedly connected to the left side wall of the left side plate. By arranging the placing shafts, the placing rods, the spacers, the outer sleeves, the outer limiting rings, the small electric rods, the stop rods, the inner limiting plates and the outer baffles, different types of yarns can be placed on the different placing rods, the yarns of the same type, different sizes and colors are placed on the same placing rod and are separated through the spacers, distinguishing and planning are easy, and the practicability is high. Excessive extrusion is avoided, and the extrusion force on the yarn is reduced.

The present invention relates to the field of communication technology, and provides a session management method, a session management function network element, and a storage medium. The session management method includes: a first session management function SMF monitors a user device that has established a protocol data unit PDU session with a first user plane function UPF; when it is detected that a user plane function network element needs to be inserted to modify the user plane path of the PDU session, and the corresponding UPF exceeds the management scope of the first SMF, a second SMF whose management scope covers the corresponding UPF is queried; the first SMF sends a PDU session establishment request to the queried second SMF; the first SMF modifies the user plane path of the PDU session according to the PDU session establishment success message carrying the information of the second UPF returned by the second SMF, so that the user device is connected to the second UPF and connected to the first UPF via the second UPF. The present invention can realize the collaborative session management of SMFs with different jurisdictions, avoid UPFs from being double-hung to SMFs of different networks, and make the network element function positioning in different networks clear and the network planning simple in a converged networking environment.

The utility model discloses a double synergistic energy-saving waste gas desulfurization tower, which belongs to the flue gas wet desulphurization technology, and comprises synergistic devices positioned in the desulfurization tower, the synergistic devices comprise a first synergistic device and a second synergistic device, the first synergistic device comprises a tray, a plurality of sieve pores are arranged on the tray, and the sieve pores are communicated with the first synergistic device and the second synergistic device. The second synergistic device comprises a tube grid assembly, the tube grid assembly comprises a plurality of tube grids which are horizontally arranged in parallel, and gaps are formed among the tube grids. Flue gas in the desulfurization tower is fully purified through the double synergistic devices, the first synergistic device is a tray, sieve pores in the tray serve as gas-liquid rising and liquid-phase falling channels, the second synergistic device is a pipe grid, and spraying liquid flows along the pipe grid to form a liquid film. When the waste gas passes through the liquid film, the physical mass transfer and the chemical reaction are carried out at the same time, and the pollutants and the spraying liquid are in full contact and react. According to the scheme, the purification efficiency of pollutants in smoke dust by the desulfurization tower is improved, and the purification effect is improved.

The application discloses a high-temperature odor pretreatment system, which is characterized by high temperature and condensate discharge, and is pretreated, combined with normal-temperature odor and then introduced into an odor treatment facility, and can be applied to different project working scenes. The application is provided with twice gas-liquid separation, which ensures complete and thorough condensate discharge in high-temperature odor, avoids reduced odor pipeline flux caused by incomplete condensate discharge and avoids possible safety problems. The application collects and transports a large amount of condensate possibly generated in the pipeline through the measures of increasing baffles and condensate packages in the pipeline. The odor is locally changed in airflow direction and flow rate when passing through the baffles, and gas-liquid separation is realized under the action of inertia and turbulence. The scheme is simple and easy to implement and manage, and has a relatively remarkable effect on odor condensate discharge in actual operation.

The invention relates to information technology. The invention aims to solve the problem that the time delay mismatch quantity cannot be accurately measured in the current chaos module link system, and provides a chaos module link time delay test system and method, and the technical scheme can be summarized as follows: a continuous laser is adopted as a test carrier, and the test carrier is subjected to beam splitting; one path is output to a chaos module link system to be tested; 90-degree frequency mixing is carried out on the other path of test carrier and the output of a chaos decryption device of the tested chaos module link system so as to realize self-homodyne coherent detection, a frequency mixing light field is obtained, and after photoelectric conversion is carried out on the frequency mixing light field, a Q component signal is output; the method comprises the following steps: performing high-speed sampling on an input Q component signal, performing operation to obtain a phase mismatch item, performing self-correlation operation on the phase mismatch item to obtain a correlation curve, and calculating time delay corresponding to a secondary peak according to the correlation curve to obtain a measured time delay mismatch amount delta t. The method has the beneficial effects that the measured time delay mismatch amount delta t can be quickly and accurately calculated, and the method is suitable for a chaos module link system.

The invention provides application of protocatechuic acid in regulating intestinal flora of procambarus clarkii and flavor amino acid composition in muscle of the procambarus clarkii, and belongs to the technical field of development of aquatic feed additives. It is found that the protocatechuic acid can reduce the abundance of Vibrionaceae in the intestinal tract level of the procambarus clarkii, improve the abundance of Rhodobacteroceae, Lactobacillus and Bacillus, reduce the abundance of Vibrio in the intestinal tract level of the procambarus clarkii, and improve the abundance of Halocynthiibacter and Ruegeria, so that the composition of flavor amino acids in the muscles of the procambarus clarkii is improved. The invention further provides a procambarus clarkii feed and application thereof in procambarus clarkii culture, the content of flavor amino acids in procambarus clarkii can be effectively increased, the muscle quality of procambarus clarkii is improved, the cost is low, and the culture method is simple.

The application belongs to the field of secondary batteries, and particularly relates to a zinc ion battery electrolyte. The composition of the electrolyte comprises water, a zinc salt, a formate salt and an amine molecule. The electrolyte of the application can induce uniform zinc deposition and present (0002) crystal face preferred orientation due to the addition of the formate salt and the amine molecule, and inhibit the formation of zinc dendrites. The zinc ion battery prepared by using the electrolyte has uniform and smooth zinc morphology in the charging and discharging cycle process, greatly improves the cycle stability, and has a simple scheme, is easy to industrialize, and has application prospects in the field of energy storage technology.

This disclosure relates to an electronic device, a method and apparatus for detecting the state of an electronic device, and a medium. The electronic device includes: a first part comprising a first connection component, an impedance detection circuit, and a processing component; a second part comprising a second connection component and an impedance element; the first part and the second part are combined, the first connection component and the second connection component interact to fix the first part and the second part, and the impedance element is connected to the impedance detection circuit; the first part and the second part are separated, the interaction between the first connection component and the second connection component is canceled, and the impedance element is disconnected from the impedance detection circuit; the processing component is connected to the impedance detection circuit and is used to determine whether the first part and the second part are separated or combined based on the impedance detected by the impedance detection circuit.

The present invention relates to the field of computer graphics and geographic information science and technology, and specifically discloses a method for unconstrained patrol path planning of a drone with multiple target points, comprising the following steps: S1, obtaining patrol point sample data; S2, constructing a TIN triangle network through patrol points; S3, determining an initial reference triangle; S4, searching for triangles based on the reference triangle by the adjacent principle; S5, judging the proximity relationship between the searched triangle and the reference triangle, and determining the search result triangle; S6, when the search result triangle covers all patrol points, the search is completed; S7, merging the initial reference triangle and the search result triangle to obtain the planning result of the patrol path. The unconstrained patrol path planning method of a drone with multiple target points of the present invention can reduce the planning difficulty of the drone patrol path under unconstrained conditions and improve the planning efficiency of the drone patrol path under unconstrained conditions.

This invention discloses a permanent magnet synchronous hub motor for electric vehicles and its application in electric vehicles. The motor includes a stator assembly integrated with the motor shaft and a permanent magnet outer rotor assembly integrated with the electric vehicle hub, magnetically coupled to the stator assembly, and coaxially outputting power. The stator assembly includes a stator core formed by stacking several stator laminations, each stator core having multiple winding slots containing stator windings. The permanent magnet outer rotor assembly includes a yoke ring and several permanent magnets fixedly spaced on the inner surface of the yoke ring, wherein the aspect ratio of the permanent magnets ranges from 0.18 to 0.2. This invention, through special design, achieves a lower permanent magnet thickness without negatively impacting the motor itself or its performance in electric vehicles.

The present invention discloses a method and device for discovering knowledge of electric power text based on multi-source fusion of data, and belongs to the technical field of electric power equipment. The method for discovering knowledge of electric power text based on multi-source fusion of data of the present invention can automatically extract key information required for defect diagnosis from electric power natural language data and electric power equipment status text by constructing a text data extraction model, a rule engine judgment model, and a graph data mining model, and integrates graph neural network technology and rule engine technology to evaluate the operating status of electric power equipment recorded in the electric power text, and can determine the fault location and cause; at the same time, it realizes multi-source fusion of at least two types of text, provides more accurate auxiliary decision-making for electric power equipment fault diagnosis, reduces the quality requirements of text record information for operation and maintenance personnel, and the scheme is scientific and reasonable, the calculation is simple, the diagnosis accuracy is high, and it is practical.

The invention relates to a method for treating a slope by using concentrated solution sludge. A dam body repairing material is formed by using concentrated solution sludge, is mixed with soil and rocks cleaned from a dam body, and is sprayed to a side slope, so that the side slope is quickly treated. The method can effectively treat the slope of the refuse landfill, has the advantages of being simple and easy to implement, low in investment, environmentally friendly, easy and convenient to construct and short in construction period, and meanwhile has large application and popularization value and remarkable economic and social benefits.

The invention discloses a test device and method for providing friction nonlinearity for a rotating shaft structure, and belongs to the field of nonlinear dynamics research. The device is composed of two separated spring pieces, one end of the device is fixed to a fixing base through a bolt, and the device is fixed to the ground through a grounding plate to form clamped constraint. A spring is clamped between the two spring pieces at the other end, and a bolt penetrates through the two spring pieces and the spring in the middle through the through holes and is fastened on the other side through a nut. The device is fixed on the two sides of the rotating shaft, and the radial pressure applied to the rotating shaft by the spring piece can be changed by adjusting the fastening tightness of the nut, so that the friction force in the torsion direction is increased. The friction coefficient of the contact rotating shaft can be changed by sticking materials with different roughness on the inner surface of the annular part of the friction spring piece, so that the friction force is changed.

The invention provides a split type turning device for an unmanned aerial vehicle undercarriage, and belongs to the technical field of unmanned aerial vehicle structural design, the split type turning device comprises a split type control panel, an upper shell and a lower shell, and the split type control panel and the upper shell are fixedly connected to form a transmission containing cavity; the protective cover is mounted on the upper shell and used for protecting the motor and / or the angular displacement sensor; the motor is installed on the upper shell, the end of the motor extends into the transmission containing cavity, and a motor gear is fixed to the end of the motor; the first gear shaft to the fourth gear shaft and the first gear shaft to the fourth gear shaft are sequentially meshed, the first gear shaft is meshed with a motor gear, one end of the fourth gear shaft is provided with an angular displacement sensor, the angular displacement sensor is connected to the split type control panel through an aviation plug, and the other end of the fourth gear shaft is connected with an undercarriage main structure; the motor is controlled to rotate through the split type control panel, then the undercarriage main structure is driven to move, and meanwhile the rotation angle of the undercarriage main structure is obtained through the angular displacement sensor.

This invention discloses a Taq DNA polymerase mutant and its applications. The Taq DNA polymerase mutant is derived from the amino acid sequence SEQ ID NO.1 and contains the following mutations: E9K, L15S, D18R, H20E, H21E, K31E, and R37D. This invention obtains a Taq DNA polymerase mutant through point mutagenesis. Unlike the wild-type Taq DNA polymerase, it possesses highly efficient and stable reverse transcriptase activity, enabling efficient conversion of cDNA using RNA substrates and amplification of the cDNA under standard reaction conditions without the need for additional reverse transcriptase. This significantly improves the efficiency of detecting target ribonucleic acid (RNA) by real-time quantitative PCR.

The invention discloses a Fourier domain mode-locked laser based on a laser dynamic establishment process and a control method. An optical amplifier, a first isolator, a second isolator, an adjustable filter, a delay optical fiber, a coupler and a polarization controller or the optical amplifier, the first isolator, the second isolator, the adjustable filter, the delay optical fiber, the coupler, an intensity modulator and the polarization controller form an annular laser cavity. An optical amplifier or an intensity modulator is controlled to be restarted when the dispersion amount in an annular laser cavity exceeds the bandwidth range of an adjustable filter, so that the mode of restarting a laser signal replaces the mode of continuously gaining signals in the cavity, residual dispersion in the cavity is resisted, high-coherence sweep-frequency laser output is further achieved, no dispersion compensation technology is needed, and the cost is reduced. The scheme is simple, the requirement for devices used by the laser is low, no environment control technology assistance is needed, high robustness is achieved, cost is reduced, and the method can be suitable for the Fourier domain mode-locked laser of any wave band.

The invention provides an active camouflage stealth system and method for a vehicle. The system comprises a central processing unit, a camera shooting unit and a lamp set controller which are connected with the central processing unit, and an RGB lamp set connected with the lamp set controller. Each RGB lamp set is composed of three lamps with the colors being red, green and blue, and the RGB lamp sets are fixed to a flexible net covering the top of the compartment and arranged into a rectangular array which is evenly distributed. The camera unit is used for shooting video images of the ground around the vehicle; and the central processing unit processes the video image to obtain a simulation image of the ground area under the vehicle, and controls the RGB lamp group based on the RGB pixel value of the simulation image, so that the vehicle image obtained by the reconnaissance equipment is approximate to the simulation image. The method has the advantages of novel hiding thought, simple and easy scheme implementation, good hiding effect and the like, and can effectively solve the problem of active optical band camouflage hiding of the vehicle in the road environment.

The invention discloses a frequency-independent protective skin antenna which comprises an upper skin, an upper core layer, a substrate film, an amorphous carbon film, an antenna, a lower core layer and a lower skin from top to bottom. When the skin antenna is not irradiated by high-power microwaves, the amorphous carbon film allows electromagnetic waves to pass through, and the skin antenna works normally; when the skin antenna is irradiated by high-power microwaves, the amorphous carbon film induces current and generates a reflection effect on electromagnetic waves, meanwhile, the current inducted on the surface of the amorphous carbon film rapidly generates heat, the conductivity of the amorphous carbon film is further enhanced through the heat effect, and reflection on the high-power microwaves is improved; and when the high-power microwave stops irradiation, the conductivity of the amorphous carbon film disappears, and the skin antenna recovers to work normally. Compared with the prior art, the scheme is simple and free of frequency dependence, high-power microwave signals of any incident frequency can be shielded, extra loss is not introduced into a system link, and the method has great value in the field of high-power microwave protection.

The invention discloses a wind power generation equipment cleaning wall-climbing robot and a cleaning method, which belong to the field of industrial robots. The invention comprises a display controller and two end-position wall-climbing mechanisms, wherein a plurality of cleaning wall-climbing mechanisms are arranged between the two end-position wall-climbing mechanisms, and adjacent cleaning wall-climbing mechanisms are connected via universal joints, and the cleaning wall-climbing mechanism is connected to a follow-up water supply box on the ground via a water supply pipe; the cleaning wall-climbing mechanism is connected to the end-position wall-climbing mechanism via universal joints; the end-position wall-climbing mechanism, the cleaning wall-climbing mechanism and the follow-up water supply box are all in communication with the display controller. Meanwhile, a cleaning method based on the wind power generation equipment cleaning wall-climbing robot is disclosed. The wind power generation equipment cleaning wall-climbing robot and the cleaning method are adopted, wherein a plurality of cleaning wall-climbing mechanisms are arranged between the two end-position wall-climbing mechanisms, and a tower and blades are cleaned by simulating snake-like crawling. The invention has a wide application range, simple simulating snake-like crawling cleaning path planning, and high cleaning efficiency.

The utility model discloses a lump ore drying system utilizing waste heat of sintering and denitration flue gas, relates to the technical field of utilization of waste heat of sintering and denitration flue gas, and aims to solve the problem that utilization ways of waste heat of sintering and denitration flue gas need to be increased and improved. The waste heat drying system is provided with an air taking unit, a drying unit, a screening unit and an air returning unit, the air taking unit is arranged between a flue gas denitration device and a pressurizing induced draft fan and is composed of a hot air pipeline, a connector flange and a compensator, and the hot air pipeline is wrapped by a heat preservation layer; outlet air of the air taking unit and discharged materials of the lump ore transfer device are introduced into the drying unit, lump ore discharged materials are connected to the screening unit, a cold smoke air outlet of the drying unit is connected with an inlet of the air return unit, and an outlet of the air return unit is communicated to an air inlet of the pressurization induced draft fan. The device can dry lump ores by using waste heat of sintering denitration flue gas, is beneficial to enhancing the production stability of the blast furnace and reducing the smelting energy consumption, and is low in investment, quick in effect, simple and easy to implement.