276results about How to "Wide adaptability" patented technology

This invention belongs to the field of geophysical exploration technology and discloses a method for identifying structural ridges. The method includes selecting a target layer structural map, setting gridding parameters to grid the target layer structural map, and smoothing it once according to the gridding parameters to obtain structural map A; setting gridding parameters to grid structural map A, and smoothing it three times according to the gridding parameters to obtain structural map B; setting gridding parameters to grid structural map B, and smoothing it once according to the gridding parameters to obtain structural map C; subtracting structural map C from structural map A to obtain the remaining structures after removing structural trends; assigning a value of 0 to areas where the remaining structures have negative values ​​to obtain a structural ridge distribution map. This invention is simple and obtains the distribution of structural ridges, reflecting the distribution of dominant hydrocarbon migration channels and the distribution of micro-amplitude structures, providing important reference for the prediction of remaining hydrocarbons. This invention is applicable to the identification of structural ridges.

The invention discloses a bottom supporting device of a digital television, and relates to the technical field of digital television supporting equipment, the bottom supporting device comprises the digital television, and the bottom of the digital television is provided with a supporting piece; the supporting piece comprises a control table, the control table is located in the center of the lower portion of the digital television, adjusting strips are symmetrically connected to the two sides of the control table through adjusting pieces, the bottom of the digital television is aligned to the supporting piece, the adjusting strips are pulled, and angle blocks fixedly connected to the two ends of the two adjusting strips abut against the two sides of the digital television in a limited mode. The adjusting strip and the angle block move back under the resilience force of the spring to fix and limit the digital television, the digital televisions of different sizes can be effectively supported and fixed by adopting the mode, and after the digital televisions are limited and fixed by adopting the mode, the digital televisions can be conveniently fixed. The threaded connection block just faces a threaded installation hole, corresponding to the threaded connection block, in the digital television, installation of the digital television is facilitated, adaptability is wide, and the digital television is more practical.

The invention discloses an establishment method of a cherry rootstock Gisela 6 leaf in-vitro regeneration system and transgenic application thereof, and belongs to the field of plant biotechnology and genetic engineering. According to the regeneration system established by optimizing the formula of the culture medium, the regeneration frequency of the 'Gisela 6' leaf is stabilized at a relatively high level, and the quality of the regenerated material is remarkably improved. The callus generated by induction of the method provided by the invention is compact and strong in browning resistance, and the transgenic callus capable of stably expressing RUBY is obtained by a leaf disc transformation method; meanwhile, vitrification of regenerated buds is effectively inhibited, robust plants easy to transplant are obtained, and technical support is provided for precise improvement and breeding speed.

The utility model relates to the technical field of agriculture, and discloses a biomass hot-blast stove for drying rice, which comprises a hot-blast stove, the top of the hot-blast stove is fixedly connected with a smoke exhaust pipe, the inner wall of the smoke exhaust pipe is inserted with a filter screen, the left side and the right side of the filter screen are inserted with limiting insertion blocks, and the inner walls of the two limiting insertion blocks are connected through a fixing assembly. Four supporting rods are fixedly connected to the bottom of the hot blast stove, pulleys are rotationally connected to the inner walls of the supporting rods, and the front sides and the rear sides of the pulleys are connected through limiting assemblies so that the pulleys can be fixed. According to the utility model, smoke is filtered through the filter screen, the crank is rotated to enable the two limiting insertion blocks to slide to unfasten the fixation of the filter screen, and the filter screen is pulled out to be replaced and is cleaned and replaced; therefore, the replacement speed of the filter screen is increased, and the working efficiency is improved.

This invention discloses a double-helix composite blade long-diameter-maintaining coring drill bit and its manufacturing method, belonging to the field of geological drilling coring equipment. The drill bit includes a drill bit steel body, double-helix composite blades, and a coring inner cylinder. The double-helix composite blades are arranged in a double-helix staggered distribution, including polycrystalline diamond cutting blades and surface-impregnated diamond grinding blades. The polycrystalline diamond cutting blades have a three-dimensional helical forward-inclined structure, embedded with frustum-shaped polycrystalline diamond sheets and triangular polycrystalline diamonds. The surface-impregnated diamond grinding blades have an axial helical structure, equipped with low-temperature surface-impregnated matrix blocks and surface-impregnated large diamond particles. The outer wall surface of the blades is equipped with a helical long-diameter-maintaining structure. The manufacturing method integrates three processes: pressureless impregnation, hot-pressing sintering, and brazing, to prepare the blade matrix base and the surface-impregnated matrix blocks respectively, and then weld them into shape. This invention, through optimized structural design and multi-process synergy, significantly improves the coring efficiency, wear resistance, and structural stability of the drill bit in complex formations, achieving long-term diameter maintenance and high-efficiency drilling.

The utility model relates to a hollow plate hot mark pressing device which is suitable for the field of hollow plate processing. The device comprises a support, two hot-pressing rollers rotating relatively are arranged on the support, a plurality of protruding annular hot-pressing teeth are evenly distributed on the hot-pressing rollers in the radial direction, a hot-pressing mark channel is formed, a motor drives a chain to conduct transmission, continuous machining of the hollow plate is achieved, and efficiency is improved. The hot-pressing roller is hollow to form a heat-conducting oil cavity, the hollow rotating shaft serves as an oil inlet and outlet channel, heat-conducting oil is circularly heated under the action of the conveying pump, the temperature is maintained at 180-220 DEG C, and it is ensured that the indentation quality is stable. A protective shell is arranged at the top of the device, and a feeding port and a discharging port are provided with height-adjustable L-shaped pressing plates, so that the device is suitable for plates with different thicknesses. According to the device, by optimizing the structural design, efficient and accurate hot-pressing mark machining is achieved, the machining quality of the hollow plate is remarkably improved, the service life of the hollow plate is remarkably prolonged, the production cost is reduced, and good market application prospects are achieved.

The application discloses a 3D printing ocular prosthesis platform, which is prepared through the following steps: S1, designing the shape of the ocular prosthesis platform and dividing the shape into regions; S2, selecting a porous structure for the ocular prosthesis platform in each region and determining the voxel size according to the connecting point parameters of the selected porous structure; S3, voxelizing and fitting each region to form a voxelized interface; S4, filling the porous structure selected in step S2 into each corresponding region to complete the modeling of the porous structure in each region; S5, connecting the connecting points on adjacent voxelized interfaces to each other and converting the connecting lines into solid rod models to complete the modeling of the interfaces; S6, merging the models obtained in steps S4 and S5 to obtain a final model of the ocular prosthesis platform; S7, 3D printing to obtain a bioceramic blank; and S8, high-temperature sintering of the blank to obtain a 3D printed ocular prosthesis platform after porcelain forming. The application can obtain a new 3D printed ocular prosthesis platform, which provides technical support for ocular prosthesis repair.

The utility model relates to a kind of miniature electric angle adjuster core parts, it belongs to automobile angle adjuster technical field.The utility model includes ring, inner tooth disc, outer tooth disc, drive wheel, wedge-shaped block and spring, ring is slidable with inner tooth disc matching, outer tooth disc is fixed with ring, drive wheel is matched with inner tooth disc, inner tooth disc is engaged with outer tooth disc, wedge-shaped block includes mutually matched half wedge-shaped block one and half wedge-shaped block two, half wedge-shaped block one, half wedge-shaped block two are respectively set in the eccentric arc space formed after inner tooth disc, outer tooth disc engagement, spring is arranged in wedge-shaped block, so that half wedge-shaped block one, half wedge-shaped block two wedge tightly inner tooth disc and outer tooth disc.The utility model is compact and reasonable in structure design, safe and reliable, lightweight, wide applicability, not limited by space, meet the use demand.

The invention discloses an integrated bulk machine. The bulk machine comprises a machine body supporting seat, a PLC controller, a silo, a dust collecting system, a lifting system and a telescopic barrel, wherein the silo is arranged on the machine body supporting seat in a penetrated mode and is fixedly connected by a fastener; the dust collecting system comprises a dust collecting fan, a dust collecting pipeline and a dust collecting filter barrel; the silo comprises a feeding port, a collecting bin, a discharging port and a curved valve; and the discharging port is fixedly connected with the telescopic barrel, the lifting system matches the telescopic barrel, and the PLC controller is respectively connected with the dust collecting fan, and the curved valve and the lifting system in a communicated mode. The integrated bulk machine has the advantages that each component cooperates with each other, and the machine is reasonable in design; by means of the machine body supporting seat,the whole device system is stabilized; by means of the dust collecting system, the dust pollution caused by transferring the powder can be eliminated; and by means of the lifting system, the change ofthe length of the telescopic barrel can be achieved, so that the whole device is capable of meeting the requirements of a silo of a vehicle body with different heights, the whole device is easy to operate and convenient to transfer, and the bulk machine has wide adaptability and high stability.

The application discloses a radar complementary sparse frequency waveform sequence set design method based on a complex circle flow surface algorithm, and specifically comprises the following steps: according to a monitored spectrum environment, delimiting a usable spectrum range and an unusable spectrum range; converting a weighted integral sidelobe level of a waveform sequence set into a quadratic function form with a waveform sequence set vector as a variable, constructing an objective function to describe the weighted integral sidelobe level of the waveform set; calculating a power spectrum of the waveform set, controlling a weighting coefficient according to an expected spectrum, performing weighted summation on the power spectrum, and converting a weighted summation expression of the power spectrum into a quadratic function form with the waveform sequence set vector as the variable; and performing weighted summation on a WISL objective function and an EFS objective function to construct a joint objective function. The CCM optimization algorithm is applied to the complementary sparse frequency waveform sequence set design problem for the first time, effectively solving the constant modulus constraint problem of the waveform sequence, and compared with the existing cyclic iteration algorithm and the interior point method.

The invention discloses an intelligent self-adaptive scaffold system, relates to the technical field of building construction equipment, and solves the technical problems that a traditional scaffold is low in building efficiency, poor in adaptability to special-shaped buildings, lack of safety monitoring and high in material loss. The system comprises modular deformable scaffold units, an intelligent safety monitoring module, a quick splicing lock catch and a cloud management platform, miniature hydraulic rods and attitude sensors are arranged in the modularized deformable scaffold units, the attitude sensors are used for collecting form data of the external facade of a building, and the miniature hydraulic rods are driven to stretch out and draw back to achieve self-adaptive deformation of a main frame. The intelligent safety monitoring module collects load bearing, inclination, wind speed and personnel position data in real time, triggers sound-light early warning and synchronizes the sound-light early warning to the cloud and the worker intelligent bracelet. The rapid splicing lock catch realizes tool-free rapid disassembly and assembly; and the cloud management platform completes data integration, analysis, remote early warning and hydraulic rod expansion and contraction amount regulation and control. The construction supporting system is high in adaptability, efficient in building, safe and controllable, the modules can be recycled repeatedly, the construction cost and construction waste are reduced, and the construction supporting system is suitable for construction supporting of various constructional engineering.

A device and locking method for fixing a lock gate on a fixed roll, comprising an upper support, a travel switch, a locking pull rod, a handle, a clamping plate, a bolt, a nut and a self-lubricating bearing piece; the upper support is fixed on the frame of the fixed roll, and the travel switch is fixed on the top of the upper support; one end of the locking pull rod is connected with a lower support, and the other end is fixed on the upper support through the nut; the handle and the clamping plate are fixed on the top of the locking pull rod through the bolt; the self-lubricating bearing piece is located between the nut and the upper support; and the lower support is fixed on the gate. The device and locking method are simple in structure, safe in operation, reliable in locking, and capable of realizing remote monitoring of the locking state, so as to solve the problems of existing gate locking devices, such as difficult manual carrying, dangerous operation, easy environmental influence and fixed locking position.

This invention discloses a laser cutting and blanking device for the production of structural components for concrete pump trucks, belonging to the technical field of laser cutting and blanking tools. It includes a combined support frame installed on a working plane, a support seat slidably engaged on the combined support frame, and a material-retrieving mechanism that is lifted and slidably mounted on the support seat. Discharge tables for cooperating with the material-retrieving mechanism are installed at intervals between the combined support frames. Multiple connecting frames are installed at intervals on the combined support frames. Sliding transmission blocks are installed at both ends of the support seat to drive it to slide on the combined support frame. The combined support frame serves as the foundation for the entire machine, ensuring the overall rigidity and stability of the equipment. The sliding transmission blocks can drive the support seat to slide smoothly on the combined support frame, enabling the lateral position of the material-retrieving mechanism to be adjustable, effectively improving the automation level and operating efficiency of the blanking process. Ultimately, it solves the problem of workpiece damage during transport caused by residual molten metal and slag in existing laser cutting and blanking devices.

The invention provides a lamp hanger, which belongs to the field of lamp mounting accessories, and comprises a box body for mounting hanging wires and a lamp wire, the number of the hanging wires is two, the hanging wires are used for realizing bearing hanging of a lamp, and the lamp wire is used for power supply transmission of the lamp; a suspension wire coil and a lamp wire coil are arranged in the box body, the suspension wire is wound on the suspension wire coil, the lamp wire is wound on the lamp wire coil, and the suspension wire coil and the lamp wire coil are coaxially arranged through a driving shaft, so that the internal structure of the box body is simplified, and the transmission concentricity is ensured. The suspension wire coil and the lamp wire coil which are coaxially arranged are matched with the independent driving parts A and B and the controller board, independent driving control over a suspension wire and a lamp wire is achieved, the rotating speed of the suspension wire and the rotating speed of the lamp wire can be flexibly adjusted according to the wire diameter difference, and the problem of asynchronous take-up and pay-off is solved from the driving end; meanwhile, due to the structure that the suspension wire coil is fixed and the lamp wire coil is rotationally connected to the driving shaft, structural compactness and transmission independence are both considered, and operation is stable and reliable.

The application discloses a kind of integral sling pre-arrangement platform hydraulic control system and method, belong to rail transit electromechanical liquid precision control technical field.System uses public oil source+six independent parallel open hydraulic branch architecture, supporting oil source power unit, public auxiliary protection unit, six groups of modular work station execution branch and PLC electric control unit;Each work station differentiates and configures throttle, stepped pressure regulating element, branch built-in hydraulic control one-way valve, cooperate main oil line accumulator, oil cooler and construct two-way locking, dynamic pressure compensation, constant temperature and pressure loop.The application is original mechanical limit, servo negative tolerance cutting, continuous tension error directional transfer process: one side return line is mechanically limited to calibrate reference length, servo hanging column is first operated to theoretical total length negative tolerance position and then cut, so that wire actual length is slightly short;After servo rigid lock main sling size, push cylinder continuous tension will cut, assembly, wire elastic deformation all error be transferred to return section without accuracy requirement.

This invention provides a method for de-identifying fields on the RWA compliance audit log chain, comprising the following steps: preprocessing configuration; determination of fields to be de-identified; template adaptation and value generation; dual-mode storage; compliance verification and closed-loop optimization. The purpose of this invention is to provide unified and fixed de-identification templates for two core sensitive fields in the RWA on-chain audit log: "personal ID number" and "corporate tax number," ensuring privacy compliance while maintaining log traceability, and without affecting the normal display and use of other non-sensitive fields.

The invention discloses a method for synthesizing ziram. The method comprises the following steps: S1, stirring a compound surfactant and zinc oxide to obtain a dispersion liquid; s2, sealing and pressurizing, and adding dimethylamine for reaction to obtain a dimethylamine salt mixture; and S3, dropwise adding carbon disulfide, performing condensation reaction, and removing impurities to obtain the ziram, wherein the compound surfactant contains at least one of a nonionic surfactant, an anionic surfactant or a macromolecular surfactant. According to the method, the efficient and green synthesis of the ziram is realized through the synergistic effect of a compound surfactant system, a sealed pressurized reaction and a progressive charging sequence.

The utility model relates to an air energy air column film dislocation correcting device which is provided with a machine frame. A first supporting frame and a second supporting frame are symmetrically arranged on the machine frame in a sliding mode, a first transmission roller is rotationally arranged between the lower portions of the opposite faces of the first supporting frame and the second supporting frame, and a second transmission roller is arranged between the middles of the opposite faces of the first supporting frame and the second supporting frame in a lifting sliding mode. A second sliding block is arranged on the second supporting frame in a lifting sliding mode, the two ends of a second transmission roller are rotationally arranged on the first sliding block and the second sliding block respectively, and the second transmission roller is arranged in a lifting sliding mode through the first sliding block and the second sliding block. A first driving device used for driving the first sliding block and the second sliding block to slide in a lifting mode is fixedly arranged at the upper end of the first supporting frame or the second supporting frame, a second driving device used for driving the first supporting frame and the second supporting frame to slide is fixedly arranged on the machine frame, and the air column film correcting device can correct overlapped and staggered air column films.

The invention provides a pollutant spatial distribution and blow-off and tempering limit measurement method based on a flat flame burner, and relates to the technical field of combustion experiment measurement. According to the method, on the basis of a flat-flame burner, a quartz cover is arranged above the flat-flame burner to form a locally-closed space, and a long-strip-shaped measuring window is formed in the side face; an X-Y plane movable precision probe structure is arranged on the outer side of the window, so that the tip of the sampling probe can extend into a region adjacent to the flame at any coordinate point in the window plane; a camera is arranged on the outer side of the quartz cover, and a camera pixel coordinate probe physical coordinate conversion relation is established through calibration; controlling the probe to move point by point according to a preset scanning path, synchronously collecting pollutant concentration and flame images, and obtaining a pollutant two-dimensional or three-dimensional distribution field under a given working condition; parameters such as gas flow and air-fuel ratio are adjusted, the blow-off / tempering limit is approached and crossed, scanning is repeated at key nodes, and pollutant distribution characteristics in different combustion stability states are obtained.

This utility model discloses a pipe jacking axis measuring device, belonging to the field of municipal engineering construction surveying technology, aiming to solve the problems of poor adaptability, low adjustment accuracy, and complex operation of existing devices. The device includes a laser collimator main body, an adjusting frame, and a telescopic support rod. A limiting hole is provided on the side of the laser collimator main body, and the adjusting frame is assembled into the limiting hole. Three internal threaded sleeves are fixed on its outer side, and the telescopic support rod is detachably assembled into the internal threaded sleeves. The adjusting frame includes an outer frame, an inner frame, a rubber ring, a threaded knob, a limiting stake, a threaded stake, and a threaded short sleeve, enabling precise adjustment and locking of the laser collimator main body's direction and tilt angle. The telescopic support rod includes a hexagonal screw head, an outer long tube, an inner long tube, a hexagonal bolt, a limiting screw, and other components, supporting dual length adjustment of "coarse adjustment + fine adjustment," adapting to pipe jacking of different diameters. In scenarios with ultra-large diameter pipe jacking, a single support rod can be detached and bolted to form a stable triangular structure.

The invention discloses an anticorrosive coating as well as a preparation method and application thereof, and relates to the technical field of high polymer materials and metal corrosion protection. The anticorrosive paint comprises the following components which are independently subpackaged: a component A: an epoxy resin prepolymer; component B: an epoxy resin curing agent, wherein the epoxy resin curing agent comprises an amino curing agent; component C: a functional molecule, wherein the functional molecule comprises alpha-lipoic acid. The coating has an innovative self-layering structure, so that the coating has a lotus leaf effect-like hydrophobic surface and super glue-like base layer adhesion at the same time, and the contradiction that the hydrophobicity and the adhesion force of a traditional coating are difficult to consider at the same time is solved. The existence of the dynamic disulfide bond not only endows intelligent release and potential self-repairing functions, but also provides possibility for degradation and chemical recovery of the coating material after the life cycle is ended, and conforms to the concepts of green chemistry and sustainable development.

This invention discloses a high-activity, heat-resistant α-glucan phosphorylase mutant and its applications, belonging to the fields of genetic engineering and modern enzyme technology engineering. This invention utilizes site-directed mutagenesis technology to modify the wild-type... α‑ Dextran phosphorylase was modified to construct a series of mutants. Compared with the wild-type enzyme, the enzyme activity was increased by 1.68 to 2.49 times, and the mutants had a wider range of adaptability to temperature and pH. Among them, the mutant R282Y / H506A showed excellent thermostability. After incubation at 60℃ for 132 h, its enzyme activity was still 50.96%, and after incubation at 70℃ for 60 h, its enzyme activity was still 53.71%. The significantly improved thermostability creates better conditions for the use of this enzyme in practical applications.

The application discloses an interferometric constellation orbit optimization method based on a second-order state transition tensor and belongs to the field of space technology. The method of the application is as follows: an orbit dynamics model and a configuration stability index model of an interferometric constellation spacecraft are established, an orbit deviation propagation expression is given based on a second-order state transition tensor, and a second-order analytical mapping expression of configuration stability of the interferometric constellation and initial orbit deviation is derived; an iterative deviation of the initial state of the spacecraft is given; an initial value of the constellation configuration with strong stability is obtained through iteration, the constellation configuration satisfying long-term stability is obtained through recursive initial value, the interferometric constellation is realized to be long-term stable according to the constellation configuration, and the detection precision of the interferometric constellation is improved. The application has the advantages of high-precision space measurement constellation configuration stability, high efficiency, is favorable for fast iterative optimization of the high-precision space measurement constellation configuration, and is favorable for improving the stability and detection performance of the high-precision space measurement constellation configuration.

This invention relates to the fields of QR code anti-counterfeiting, invisible ink printing, and anti-counterfeiting technology for commodity packaging. Specifically, it relates to a dual-layer photosensitive ink QR code anti-counterfeiting structure and anti-counterfeiting verification method. The anti-counterfeiting structure consists of three layers stacked from top to bottom: a top anti-counterfeiting QR code layer, a middle photosensitive shielding layer, and a bottom basic QR code layer. The bottom layer is directly printed on the surface of the commodity packaging substrate. The middle layer is printed with a first photosensitive ink, and the top layer is printed with a second photosensitive ink. The first and second photosensitive inks are ultraviolet photosensitive invisible inks that respond to the same specific frequency. After color development, they form a high contrast and appear transparent and invisible under natural light or ordinary visible light. The bottom layer is completely exposed for identification. Under ultraviolet light of a specific frequency, the middle layer completely shields the bottom layer, and only the top layer is fully exposed. A unique association and binding relationship is pre-established between the bottom and top layers for cross-verification using dual codes. This achieves the dual effects of convenient basic verification and high-level anti-counterfeiting verification, eliminating the vulnerabilities of traditional anti-counterfeiting methods.

The application belongs to the technical field of oil by-product resource utilization, and specifically discloses a method for gradient separation of fatty acids, which does not need traditional four-decontamination pretreatment, can prepare high-purity C8-C10, C12-C14, C16 saturated, C18 monounsaturated and EPA / DHA products in gradient mode, the purity fluctuation of the products is less than or equal to 1%, the separation efficiency is high, the energy consumption is low, there is no three-waste emission, it is green and environment-friendly, is suitable for industrialized continuous green separation of bulk oil soapstock by-products, and has remarkable industrial application value.

The utility model relates to the technical field of carbon fiber material coating, in particular to carbon fiber material coating equipment which comprises a coating box and a coating cavity formed in the top of the coating box, a discharging pipe communicated with the bottom of the coating cavity is installed at the bottom of the coating box, and a valve is installed in the discharging pipe. The rotating assembly comprises a rotating rod rotationally installed between the two opposite inner cavity walls of the coating cavity, the limiting assembly comprises four fixing bases fixedly installed on the outer rod wall of the rotating rod, the four fixing bases are symmetrically distributed on the two sides of the rotating rod in a pairwise parallel mode, and a first roller and a second roller are rotationally installed between the two fixing bases located on the same side of the rotating rod; the distance between the first roller and the corresponding second roller is adjustable, a coating material is forced to permeate to the edge of the fiber through high-frequency swing, the problem of poor edge coating of traditional equipment is solved, the adjustable roller distance design is compatible with materials with different widths, and the limiting structure ensures the swing stability of the carbon fiber material.

This invention provides a plasma welding device and method for axial flow fan casings. It relates to the technical field of axial flow fan production equipment. The plasma welding device for axial flow fan casings includes a base and a plasma welding assembly. The top of the base is fixedly mounted with horizontally linearly distributed support side plates and a gantry frame. A first steering shaft is rotatably mounted on the support side plates. The first steering shaft has two sets of symmetrical casing fitting mechanisms (one above the other) for fixing the casing to be welded. A steering mechanism is provided on the support side plates, and the steering mechanism is fixedly connected to the first steering shaft. The plasma welding assembly includes an U-shaped bracket, and an L-shaped bracket is fixedly mounted at the bottom of the U-shaped bracket. This invention has the advantages of high automation, high welding efficiency and quality, and strong versatility.

This invention discloses a polarity testing method for metering devices suitable for high-noise environments, belonging to the field of metering device testing technology. The method includes: generating a square wave excitation signal with preset parameters based on algorithm control and applying it to the primary side of the metering device; acquiring the secondary side induced response signal, which is then synchronously transmitted after filtering, baseline drift correction, and amplitude scaling preprocessing; integrating the excitation and preprocessed signals, extracting phase difference, delay time, and amplitude characteristic parameters, and sequentially performing polarity, phase sequence, and on / off determination to obtain a preliminary comprehensive result; based on the preliminary result and characteristic parameters, outputting the determination result and confidence level through an improved CNN model, and obtaining the final polarity conclusion through weighted fusion; and visually outputting the final conclusion. This invention, through the collaborative design of precise excitation, anti-interference preprocessing, multi-dimensional preliminary determination, and AI-fused final determination, effectively suppresses noise interference, improves the accuracy and stability of polarity determination, and is suitable for high-noise scenarios such as industrial sites and substations.

The invention relates to an intelligent photovoltaic module, and relates to the technical field of solar photovoltaic, the intelligent photovoltaic module comprises a plurality of battery strings and a plurality of junction boxes corresponding to the battery strings, and at least one of the plurality of junction boxes is an intelligent junction box; the intelligent junction box comprises a signal circuit, a sampling circuit and a control circuit. The signal circuit is used for demodulating a turn-off signal and a communication signal; the sampling circuit is used for collecting voltage and current; the control circuit is used for controlling the opening and closing of the intelligent junction box according to the turn-off signal; and the control circuit is also used for adjusting the on-off state in the intelligent junction box according to the voltage and the current under the regulation and control of maximum power point tracking (MPPT). According to the invention, the photovoltaic module can be conveniently detected and controlled.

This utility model relates to the field of anode racks for electroplating, and discloses an anode rack for zinc-nickel electroplating, including a support column, an upper disk, a lower disk, a sliding block, a moving rod, a fixed rod, an arc-shaped groove, a stud, and an operating wheel. In use, the operating wheel is first rotated clockwise to move the stud and the moving rod away from the fixed rod, causing the arc-shaped groove on the fixed rod to disengage from the support column, thus releasing the support column's constraint. Then, the distance between the upper and lower disks is adjusted according to the size of the workpiece to be electroplated. After adjustment, the operating wheel is rotated counterclockwise to move the stud and the moving rod closer to the fixed rod until the fixed rod and the moving rod are tightly abutted. At this point, the two arc-shaped grooves form a semi-circular groove that fits tightly against the outer wall of the support column, confining and fixing the support column within the arc-shaped groove. This utility model has the advantages and effects of ensuring a stable connection between the upper disk and the support column, effectively preventing shaking and detachment, and improving the safety and efficiency of subsequent electroplating.