15results about How to "Solve the request" patented technology

This invention provides a large-angle, ultra-large-area operable roof skylight system, belonging to the field of skylight construction technology. It includes fluorocarbon-coated welded steel pipes, conversion channel steel, a custom-made waterproof aluminum alloy support frame, an aluminum alloy fixing frame, an aluminum alloy operable sash, and insulated tempered laminated glass. The fluorocarbon-coated welded steel pipes and fluorocarbon-coated square steel serve as the main and secondary keels of the operable roof skylight system, respectively. The conversion channel steel connects to the main and secondary keels. The custom-made waterproof aluminum alloy support frame and aluminum alloy fixing frame are fixed to the conversion channel steel with screws. The aluminum alloy operable sash is fixed to the aluminum alloy fixing frame via hinges. The lower end of the electric window opener is hinged to the fluorocarbon-coated welded steel pipe via a connecting steel component, and the upper end is fixed to the skylight frame via a base. This invention enables a large-angle opening of the ultra-large-area skylight, achieving the effect of fully opening the ultra-large-area skylight before the flue gas fills the smoke storage chamber. Furthermore, the skylight maintains good water tightness and air tightness when closed.

The invention discloses a dynamic self-repairing PI-based nano protective coating for a crease-free folding screen. The dynamic self-repairing PI-based nano protective coating is prepared from a polyimide matrix, a dynamic cross-linking agent, self-repairing microcapsules, a surface-modified nano inorganic filler and a surface energy regulator, the polyimide matrix is obtained by polymerizing aromatic dianhydride and a diamine monomer containing a flexible chain segment, and the flexible chain segment comprises an ether bond or a methylene chain segment; the shell material of the self-repairing microcapsule is polyurea or polyurethane, and the core material of the self-repairing microcapsule is a polyimide repairing agent; the surface modified nano inorganic filler is SiO2 or Al2O3 nano particles subjected to surface grafting modification by a silane coupling agent. The preparation method has the beneficial effects that the coating prepared by the preparation method simultaneously realizes the basic performances of high hardness, high toughness, high light transmittance and strong adhesion, has the efficient grading self-repairing capability aiming at damages of different scales, and finally passes more than one hundred thousand times of extreme bending fatigue tests; the problems of balance of multi-performance requirements, single repair mechanism and low efficiency in the prior art are solved.

A cleaning and draining combined structure of a tailing pond comprises a tailing pond dam body, a dry beach area is close to the right side of the tailing pond dam body, and deposited tailings, muddy water and clear water are sequentially close to the right side of the dry beach area. A drainage well is arranged on the muddy water, the bottom end of the drainage well is connected with a culvert, and an air cushion floating bridge is arranged on the drainage well and connected to clear water; a siphon is laid on the air cushion floating bridge, one end of the siphon is located in clear water, the other end of the siphon is located in the drainage well, one end of the siphon is a siphon water inlet, the other end of the siphon is a siphon water outlet, and the siphon water outlet is lower than the siphon water inlet; the sedimentation area is subjected to reservoir emptying through stoping tailings, muddy water close to the sedimentation area is gradually settled into clear water and directly overflows into the drainage well, and if the water quality does not completely meet the requirement after reservoir emptying, the clear water is taken and drained into the drainage well through a siphon; the problems that sewage treatment burden and sewage treatment cost are increased due to the fact that muddy water directly enters the drainage well and the culvert are solved, and the flood prevention capacity in the flood season is improved through the combined structure.

This utility model provides a positive and negative electrode connection structure for electronic cigarettes, including a cartridge body, an atomizing core assembly, and a lower sealing assembly. The atomizing core assembly is disposed inside the cartridge body, and the lower sealing assembly is disposed at the lower end of the cartridge body. The lower sealing assembly includes a lower sealing silicone, a cartridge base, and an electrode metal sleeve. The lower sealing silicone has an atomizing mounting position that mates with the atomizing core assembly. The electrode metal sleeve is fitted onto the lower end of the cartridge body. The atomizing core assembly has a first pin and a second pin. An electrode block is disposed at the center of the lower end of the cartridge base. The electrode metal sleeve has a clearance hole that mates with the electrode block. The first pin is electrically connected to the electrode block, and the second pin is electrically connected to the electrode metal sleeve. The beneficial effects are: by setting the electrode metal sleeve, the contact area for establishing an electrical connection between the electrode and the pin of the cigarette device can be effectively increased, and the electrode block being disposed at the center can effectively prevent the positive and negative electrodes from being reversed with the pin of the cigarette device.

The utility model discloses an assembly type anti-slurry-leakage steel formwork for concrete structure pouring. The steel formwork is composed of a combined panel unit, a reinforcing unit and an anti-slurry-leakage structure. The combined panel unit comprises a plurality of panel basic frames and panel pieces, and the panel basic frames and the panel pieces are connected through concave-convex clamping structures. The reinforcing unit comprises a plurality of fixing rods which are connected in a clamped mode, the fixing rods are arranged on the outer side face of the combined panel unit in a surrounding mode to form a panel reinforcing frame, and the panel reinforcing frame is used for tensioning the distance between the panel basic frame and the panel pieces and locking and fixing the panel basic frame and the panel pieces. The device is simple in structure, and undesirable conditions such as mold expansion and slurry leakage are practically prevented; meanwhile, stability and reliability are achieved, the engineering construction quality and efficiency are powerfully guaranteed, circulation is convenient, the device can be used for pouring construction of concrete structures of different sizes, the space needed by supporting is small, the requirement for the narrow construction environment is met, and very good practical value and popularization prospects are achieved.

The present disclosure provides a kind of blade section bending stiffness optimization method and device, electronic equipment and storage medium, it is related to blade structure design technical field, by establishing the design architecture of basic reinforcement layer, main reinforcement layer and auxiliary reinforcement layer cooperation, first in first preset position setting main reinforcement layer and iteration adjustment its geometric parameter, after main reinforcement layer reaches process limit, again in second preset position, add auxiliary reinforcement layer, and fixed main reinforcement layer parameter iteration optimization auxiliary reinforcement layer geometric parameter, formed the systematic design system of multiple reinforcement layer, multiple preset position, geometric parameter iteration adjustment, therefore, it can solve the problem that the stiffness direction imbalance caused by lacking multidimensional parameter collaborative adjustment system in prior art, only using single reinforcement strategy and not setting reinforcement layer position reasonably, difficult to meet preset tolerance, material redundancy and high risk of structural failure.

This invention relates to the field of mixing device technology and discloses a mixing device for producing chemical additives for oilfield fracturing. The device includes a mixing tank and a main drive shaft. The mixing tank is internally equipped with a mounting frame, a wall scraper, and a shearing blade. The mounting frame is located inside the mixing tank, and the wall scraper is fixedly mounted on the mounting frame. Two shearing blades are symmetrically arranged on both sides of the mounting frame. This mixing device for producing chemical additives for oilfield fracturing, through the linkage of the main drive shaft, internal gear disc, slider, and spacing adjustment mechanism, allows the main shaft to rotate forward, first driving the two shearing blades to approach to their minimum spacing before rotating as a whole. In reverse rotation, it first drives the two shearing blades to move away to their maximum spacing. This creates a high-shear zone to break up agglomerates during the feeding stage and expands the shearing blade spacing during the maturation stage to reduce shear force. This achieves adaptive adjustment of shear strength according to the process stage, solving the problem that traditional mixing methods, due to their single strength, cannot simultaneously meet the requirements of dispersion and maturation.

The application discloses an NFC antenna structure for a mobile terminal, which comprises a first differential coil and a second differential coil, the first differential coil and the second differential coil are arranged in two different areas of the mobile terminal respectively; the first differential coil and the second differential coil are electrically connected through a connector, so that the first differential coil and the second differential coil form a combined differential coil in electricity; the combined differential coil is electrically connected with an NFC chip in the mobile terminal to provide a read-write function. The embodiment of the application can solve the problem that the existing differential coil cannot meet the chip and authentication requirements in a limited space.

The application discloses a multi-specification Ti551 titanium alloy ingot preparation method and belongs to the non-ferrous metal processing technical field. The composition of the Ti551 titanium alloy is as follows in terms of percentage by mass: Al 4.5%-5.5%, Mo 0.5%-2.5%, V 0.5%-1.5%, Zr 1.0%-3.0%, Cr 0.5%-1.5%, Sn 0.5%-1.5%, Fe≤0.25%, O≤0.12%, and the balance is Ti and inevitable impurities. The method comprises the following steps: proportionally weighing raw materials such as titanium sponge, zirconium sponge, Al-Mo-containing intermediate alloy, Ti-Sn-containing intermediate alloy, aluminum beans and TiO2; pressing the raw materials into electrode blocks with a density≥3.2g / cm 3 ; obtaining consumable electrodes through vacuum welding; preparing ingots through three-time vacuum consumable arc furnace smelting, the vacuum degree of the three-time smelting is all≤6Pa, and the diameter of the crucible ranges from Φ570mm to Φ1240mm. The application solves problems such as the increase of melt viscosity, poor fluidity, uneven ingot composition and the like caused by multiple alloy elements, and establishes a complete smelting process system covering 5-20-ton multi-specification ingots.

The invention relates to a welding control method and device, computer equipment and a storage medium. The method comprises the following steps: acquiring a first welding seam pose of each welding seam point in a to-be-welded welding seam under a standard coordinate system, a welding process parameter of the to-be-welded welding seam and a positioner type correspondingly used by the to-be-welded welding seam; for each welding seam point, according to the positioner type, the first welding seam pose and the welding process parameters, positioner inverse solution operation is conducted on the welding seam points, and the expected tail end pose of a positioner is obtained; according to the expected tail end pose, determining a target welding seam pose of the welding seam point in a standard coordinate system under the condition of cooperative welding of the positioner; and based on all the target weld joint poses and all the expected tail end poses, welding equipment of the to-be-welded weld joints and a positioner are controlled to move, and collaborative welding is conducted on the to-be-welded weld joints. By adopting the method, the welding quality and the welding efficiency in the welding process can be improved.

The utility model discloses punching equipment for producing and processing a sound box mesh enclosure, and relates to the technical field of sound box production. The punching device comprises a workbench, a bearing plate is fixed to the upper wall of the workbench, a movable plate is arranged above the bearing plate, an installation plate is arranged above the movable plate, punching needles are evenly fixed to the lower wall of the installation plate, penetrating holes are formed in the positions, corresponding to the punching needles, of the movable plate, and elastic pieces are evenly arranged on the edge of the upper wall of the movable plate. A positioning strip is fixed to the rear side of the upper wall of the bearing plate, positioning plates are symmetrically arranged on the left side and the right side of the upper wall of the bearing plate, a double-head motor is arranged below the workbench, and a screw is fixed to a power output shaft of the double-head motor and is in threaded connection with the positioning plates. The elastic piece provides acting force for the movable plate, so that the movable plate drives the sound box mesh enclosure to move, the sound box mesh enclosure is separated from the punching needle, and positioning of the sound box mesh enclosure is achieved through cooperation of the positioning plate and the positioning strip.

This application relates to the field of sensor signal processing technology, specifically disclosing a method and system for multi-target state detection based on a single sensor. The method includes acquiring mixed target signals, decomposing the mixed target signals into multiple modal components, determining the correlation coefficients between multiple intrinsic mode function components and the mixed original signal, and determining the number of target modes based on the correlation coefficients; fusing the remaining intrinsic mode function components to obtain a denoised mixed signal; converting the denoised mixed signal into time-frequency vector data, inputting the time-frequency vector data into a multi-target signal decoupling model based on variational autoencoder for decoupling, and outputting a demixed source signal; inputting the demixed source signal into an adaptive filtering model to obtain a global average value, and determining the Mel-frequency cepstral feature vector of each target source based on the global average value; inputting the Mel-frequency cepstral feature vector into a multi-output classification model to output the state recognition result. The method realizes state detection of multiple targets in a confined space based on a single sensor.

The invention relates to the field of circuit protection, in particular to a driving mechanism and excitation fusing structure for a circuit protection device, which comprises an excitation part and a moving part, and is characterized in that the moving part comprises a first connecting rod, a second connecting rod, a third connecting rod and an action executing part; the first connecting rod is hinged to the second connecting rod, the third connecting rod is linked with the action executing piece, and at the initial position, the second connecting rod abuts against the third connecting rod, so that the elastic piece connected with the action executing piece is in a compressed state; the excitation part can act according to a received trigger signal to drive the first connecting rod and the second connecting rod to rotate, so that the third connecting rod loses constraint, and the action executing part linearly moves under the driving of elastic force. The driving mechanism is integrated and matched with the fusing structure to form an excitation fusing structure, and the fuse can be disconnected after the action execution piece acts. The driving mechanism is small in impact force, and small current can be broken when the driving mechanism is combined with the fusing structure.

The invention discloses a heat pump circulating system. The heat pump circulating system comprises an evaporator assembly, wherein the evaporator assembly comprises a first evaporator and a second evaporator which are connected in parallel; the compression component is provided with a first compression part and a second compression part, the first compression part is communicated with the first evaporator, and the second compression part is communicated with the second evaporator; the condenser assembly, the evaporator assembly, the compression part and the condenser assembly form a heat exchange loop, and the heat exchange loop comprises a first loop composed of the first evaporator, the first compression part and the condenser assembly and a second loop composed of the second evaporator, the second compression part and the condenser assembly. The invention further discloses clothes processing equipment applying the heat pump circulating system. According to the technical scheme, the load and the compression ratio of the compressor can be reduced at the low evaporation temperature and the high condensation temperature.

The invention discloses a user mode encryption and decryption file system unloading system and method supporting an in-line mode and a medium, and relates to the technical field of data processing and storage. The system comprises a host end, an FPGA hardware module and a TIPU end. The host end is configured with an fs-Client driving module, intercepts a file operation request, packages the file operation request into an encryption request or a direct connection request according to a user-defined protocol, and sends the encryption request or the direct connection request to the FPGA hardware module; the FPGA hardware module integrates a data packet analysis and encryption and decryption module, extracts encryption and decryption parameters according to a direct connection request and performs in-line type real-time encryption and decryption on file data; and the TIPU end receives the processed data or the unvarnished transmission request through an SPDK framework and an fs-Server service module running in a user mode, manages the encrypted meta information and interacts with the rear-end storage to complete reading and writing. According to the method, deep fusion of encryption and decryption and an IO path is realized, loss caused by repeated copying of data is eliminated, the computing power of a host CPU is released, and the throughput and data security of the system are remarkably improved.