101 results about "Single group" patented technology

The invention discloses a load-variable ultra-large-capacity dry-type transformer, and relates to the technical field of dry-type transformers, the load-variable ultra-large-capacity dry-type transformer comprises three groups of main iron core columns and three groups of auxiliary iron core columns, the section of each main iron core column is in a stepped shape, and three layers of amorphous alloy belts are laminated in each main iron core column; the thickness of the middle layer of the three layers of amorphous alloy belts is set to be 1.2-1.5 times that of the two side layers, and independent lap joint pieces are arranged at the joints of the lamination sets in the auxiliary iron core column. The stepped sections of the three groups of main iron core columns are combined with the magnet yokes with thin tops and thick bottoms, so that the magnetic flux density is uniformly distributed, the capacity of a single column is improved, the problems that the capacity of a single traditional dry-type transformer is limited and the whole transformer needs to be replaced during capacity expansion are solved, the occupied area is reduced through modular splicing, the capacity of a single group of iron core columns is increased, and the no-load loss is reduced.

The utility model discloses a stacking device for corrugated paper, comprising a base, a back plate, a column, a first arm and a second arm, wherein the back plate is fixedly mounted on the rear side of the base, the column is fixedly mounted on the top of the back plate, the first arm is movably mounted on the front side of the column, the second arm is movably mounted on the front side of the first arm and is provided with two groups, an adjustment motor is fixedly mounted on the top of the column, and an adjustment component is provided on the outer side of the second arm. The utility model solves the problem that the stacking device only clamps the corrugated paper box by a single group of holding plates, but the clamping effect of the single group of holding plates is low, and the holding plates will rub against the first arm when clamping the corrugated paper box, and excessive friction of the corrugated paper box may damage the surface of the paper box, affecting the appearance, and may even cause wear on the surface of the paper box, affecting the printed pattern and text information.

To provide a pallet for transporting and storing scaffolding boards, which can greatly reduce the labor and time required for transporting scaffolding boards and can store scaffolding boards of different widths simply, safely, and attractively as one group. [Solution] The structure comprises base sections arranged at the four corners and capable of erecting anti-collapse poles (140), a frame frame configured to be rectangular in plan view by connecting the base sections, and a central frame fixed to span approximately the centers of two opposing sides of the frame frame, the frame frame on which the central frame is erected is positioned at a position higher than the bottom surface of the base sections so that the forks of a forklift can enter, and an adjustment pole erection section (132) capable of erecting an adjustment pole (150) is provided midway through the central frame.

The invention discloses an open type planting device for urban agriculture and a manufacturing method thereof, relates to the field of urban agriculture, and solves the problem that xerophytes such as vegetables, flowers, green plants, grain crops and trees and seedlings are planted in urban agricultural scenes such as indoor and outdoor buildings, street green belts, hardened grounds, loam grounds, roofs, balconies, rooftops, courtyards and indoor and outdoor living rooms in cities. The method is suitable for the manufacturing technology of open type planting devices which are in any shape, area and number and do not need to be pulled by ropes in the middle. The core technology of the invention is as follows: 1, a root controller is used for shaping and manufacturing a planting device with any shape, any angle folding edge and any radian edge; 2, a single-group and three-group cross group technology for connecting the bottom plate of the root controller and the fence is adopted, so that an open type planting device which does not need to be pulled by a rope in the middle and has any area is manufactured; the manufacturing technology requirements for all xerophytes and planting devices of any shape, area and planting number in the full scene of urban agriculture are met. And the technical operation is simple and easy.

The invention relates to a drawing-in device and a drawing-in method of a ribbon loom or a loom. The drawing-in device and the drawing-in method are suitable for equipment with the number of single-group warps being n. The drawing-in device comprises a drawing-in mechanism, and the drawing-in mechanism is composed of n first crochet needles which are transversely and vertically arranged, an overturning pressing plate, n second vertical crochet needles and n third transverse crochet needles. The drawing-in method comprises the steps that the warp stopping rod is detached, the supporting plate is installed, and the device is fixed; the first crochet hook synchronously and transversely moves and hooks the warp through the clearance of the rear reed; the overturning pressing plate is laterally overturned by 90 degrees, so that the warps are transversely arranged from the vertical direction; the second crochet hook synchronously and vertically moves, and warps are hooked between the yarn dividing rods; the third crochet hook synchronously and transversely moves to hook the warp on the second crochet hook; the warp stretches across the supporting plate, the dropper naturally falls down and is sleeved with the warp, and single-group drawing-in is completed; moving the drawing-in mechanism and repeating the operation to finish all groups of drawing-in; and finally, a dropper rod is mounted to penetrate through the dropper. The drawing-in efficiency is remarkably improved.

The intelligent multi-group adjustable flexible roll forming equipment comprises a plurality of passes of variable cross-section roll forming groups, and each pass of variable cross-section roll forming group comprises two same variable cross-section forming devices. The variable cross-section forming device comprises a forming rack 3, a Y-direction translation mechanism, a Z-axis rotating mechanism, an upper forming roller 2 and a lower forming roller 1; the angle of the machined roller is changed by changing the wheel disc, multi-pass roller machining is achieved through the single rack, machining passes of the whole equipment are reduced, and the assembly cost is reduced. The direct-connection type motor is used for driving the variable cross-section profile to be rolled and formed, so that the time of a control algorithm is saved, and the machining precision of parts is improved.

The utility model discloses a growing chicken ingestion adjusting device which comprises a first supporting piece, an inner cavity of the first supporting piece is connected with a plurality of sets of troughs in a limiting and sliding mode, first sliding grooves are formed in the two sides of the first supporting piece, inner cavities of the two sets of first sliding grooves are respectively provided with a set of slidable connecting bases, and the connecting bases are connected with the ends of the troughs through fastening bolts. The lifting assembly can drive the connecting seats to ascend and descend, the food troughs are connected with the connecting seats through the fastening bolts, the food troughs can be driven to slide along the first sliding grooves and synchronously ascend and descend, the fastening bolts are loosened, and then the food troughs can slide along the second sliding grooves. After synchronous lifting is carried out, the height of a single group of feeding troughs can be adjusted again, if the sizes of the breeding chickens on each layer are almost the same, synchronous lifting can be carried out, if the sizes of the breeding chickens on a certain layer are slightly small, the layer can be independently adjusted again, and the feeding requirements of the large chickens and the small chickens can be met.

The embodiment of the invention provides a multi-group belt weigher correction method and system, and belongs to the technical field of industrial automation. The multiple groups of belt weighers at least comprise a group of ground belt weighers and a group of cantilever belt weighers. The method comprises the following steps: acquiring operation state data and operation environment parameters of each group of belt weighers; performing consistency verification based on the running state data of each group of belt weighers, and judging whether running abnormity exists or not; classifying the exception types, and calling a corresponding state correction model based on the determined exception types; wherein the abnormal types are abnormal states of a single group of belt weighers and abnormal states of a plurality of groups of belt weighers; and based on the called state correction model, executing operation state correction of each group of belt weighers. According to the scheme, cooperative correction and fault judgment of the multiple sets of belt weighers can be achieved without additional hardware transformation, the operation reliability and metering precision of the belt weighers are remarkably improved, the method adapts to the complex working condition environment, and the correction efficiency and the automation degree are improved.

The invention discloses a splitting machine with a sectional type combined knife roll and a self-adaptive material pressing structure, and relates to the technical field of splitting machines, the splitting machine comprises a splitting machine body, a sectional type mechanism, a material pressing roll and a self-adaptive mechanism, the sectional type mechanism is arranged on the upper portion in the splitting machine body, the sectional type mechanism is arranged, and through a three-section type knife shaft structure capable of being independently detached, the material pressing roll is arranged on the splitting machine body. Sectional type independent replacement and maintenance of a single set of cutters are achieved, the downtime is greatly shortened, the replacement cost is reduced, the cutter position and the slitting distance can be independently adjusted through the three sets of cutters during replacement, the device is suitable for slitting of coiled materials of different specifications, and the universality and the production efficiency of the device are improved; an adjusting mechanism is arranged, four sets of arc-shaped sliding grooves, a first balance weight electromagnetic block and a second balance weight electromagnetic block are arranged on the side face of the cutter, the first balance weight electromagnetic block and the second balance weight electromagnetic block are powered on and powered off, the rotational inertia and the dynamic balance of the cutter are dynamically adjusted on line, vibration impact is rapidly restrained, and the high-speed stability and the slitting precision are remarkably improved.

The invention provides a collaborative learning grouping method and system based on a multi-objective optimization algorithm, and the method comprises the steps: 1, collecting student data which comprises the gender, the number of owned skills, the skill mastering degree, the learning style and the score of a pre-repair course; 2, randomly grouping class members to obtain an initial grouping scheme under the condition of ensuring that the number of students with low score of the first course in each group is controllable and the group leader is fixed; 3, calculating a diversity value Dg of a single group, a diversity value Dc of the whole class, a pressure value # imgabs0 # among members in the group and a pressure value Pc of the whole class; 4, gradually improving the grouping quality through a multi-target genetic algorithm NSGA-II; and 5, taking the grouping scheme with the minimum congestion distance in the Pareto leading edge as a final output scheme. According to the method, grouping can be carried out by considering the student attributes in multiple aspects, so that grouping is more scientific and accurate, the advantages of each student are fully played, and good conditions are created for effective collaborative learning.

The invention relates to the field of electromechanical equipment protection equipment, in particular to an electromechanical equipment protection shell quick disassembly buckle which comprises a box body and a box cover, the box cover is buckled to an opening in the top of the box body, two sets of longitudinally-through lower sliding grooves are formed in the two sides of the box body, and two sets of longitudinally-through upper sliding grooves are formed in the two sides of the box cover. A lower sliding seat and an upper sliding seat are longitudinally and slidably arranged in the lower sliding groove and the upper sliding groove respectively, a pull buckle frame detachably connected with the lower sliding seat is rotatably arranged on the outer side of the upper sliding seat, and the lower sliding seat, the pull buckle frame and the upper sliding seat jointly form a buckle mechanism connected with the box body and the box cover. The positions of the buckles are adjusted through sliding of the sliding grooves and the sliding seats to adapt to different equipment sizes, and single-set or multi-set combined use is supported; the box cover has the functions of buckle locking, hinge overturning and angle hovering, no extra hinge needs to be installed, and hovering of the box cover at any angle is supported.

The utility model discloses a spring damping roller guide shoe, which comprises a guide shoe seat (1), a left roller group (2) and a right roller group (2), each roller group (2) comprises a first roller (4), a second roller (5), a first support (6) and a second support (7), a damping mechanism is arranged on the guide shoe seat (1), one end of the damping mechanism is connected with the guide shoe seat (1), and the other end of the damping mechanism is connected with the guide shoe seat (1). And the other end of the push rod is simultaneously connected with one end of the first bracket (6) provided with the first roller (4) and one end of the second bracket (7) provided with the second roller (5), and pushes the first roller (4) and the second roller (5) to cling to the two side walls of the elevator guide rail (3). The single-group damping mechanism of the guide shoe has a damping effect on the upper roller and the lower roller on the single side simultaneously, so that the guide shoe is compact in structure, few in parts and compact in structure.

The invention relates to the technical field of computer mainboard production, in particular to a chip mounting device for computer mainboard production and processing, which comprises an operation table, a transfer frame, placement boxes and a chip mounter, the transfer frame is transversely mounted on the table top of the operation table, and multiple groups of placement boxes are transversely inserted into the inner wall of the transfer frame; a pushing piece arranged in the transfer frame is used for positioning and pushing the placing box, the pushing piece is regulated and controlled through a linkage piece, the mainboard can be positioned and clamped in the placing box, a chip mounter is mounted at the top end of the operation table, and the chip mounter drives the linkage piece to work when descending to chip the mainboard. The right side of the top end of the transfer frame is provided with a cooling assembly for cooling the chip-mounted mainboard, the transfer frame can drive a single set of placement boxes to conduct positioning movement, the positioning efficiency is improved, the placement boxes designed in a modularized mode can conduct adaptive clamping on the mainboards of different specifications, the applicability of the device is improved, and the practicability of the device is improved. And through the unique design of the clamping piece, the clamping stability efficiency can be improved, and the chip mounting accuracy is improved.

The utility model relates to a spliced stator coil holder structure, which comprises a single chip which comprises an outer arc part, a connecting part and an inner arc part, one side of the outer arc part is provided with an embedding groove, and the other side of the outer arc part is provided with an embedding body; the coil holder single group comprises a front coil holder and a rear coil holder, the front coil holder comprises a first baffle part, a first insertion part and a second insertion part, and a first slot is formed between the first insertion part and the second insertion part; the rear wire frame comprises a second baffle part, a third insertion part and a fourth insertion part; a second slot is formed between the third insertion part and the fourth insertion part; the first baffle part and the second baffle part extend out of the single chip, the first insertion part and the third insertion part are in butt joint to form a first side groove, and the second insertion part and the fourth insertion part are in butt joint to form a second side groove; the embedding groove of one single chip is matched with the embedding body of another single chip in an embedded mode, the outer arc portions of the multiple single chips are spliced to form a ring shape, and the first side groove of one single coil holder set is communicated with the second side groove of another single coil holder set to form a coil groove.

The invention discloses a clock tree synthesis method based on synchronous concurrence and hierarchical clustering, which belongs to the field of integrated circuits and comprises the following steps: reading physical information of all registers and clock sources to obtain a coarse clustering target grouping number and a single-group register number threshold value; carrying out coarse clustering grouping on the read-in registers by utilizing a Kmean Plus algorithm; extracting a grouping result to obtain a fine clustering grouping number, and performing fine clustering on all register groups by applying a synchronous and concurrent Kmean Plus algorithm; extracting coordinates of a fine clustering rendezvous point, and judging whether overlapping with the connected sub-registers occurs or not by combining with the size of a buffer used for instantiating the rendezvous point; and extracting the instantiated buffer as a first-stage synthesis result, and inputting the instantiated buffer as a second-stage leaf node into a Kmean Plus algorithm for second-stage coarse clustering, so that the time cost can be effectively reduced, and the clock tree synthesis process is accelerated.

The utility model discloses a spiral solid core shaft protection device, which belongs to the technical field of matched parts of workshop equipment, and comprises a steel sleeve component which is assembled on an installation section and is in clearance fit with the installation section, the steel sleeve component and the installation section are respectively provided with a key groove which extends axially, and the steel sleeve component and the installation section are respectively provided with a screw. At least one set of auxiliary holes are formed in the steel jacket component, each set of auxiliary holes is composed of two round holes which are symmetrically arranged relative to the axis of the steel jacket component, and each round hole extends in the radial direction. The steel sleeve component is designed and machined on the mounting section of the solid mandrel to protect the solid mandrel from being abraded, and on the basis of the process hole in the steel sleeve component, the steel sleeve component can be rapidly and conveniently replaced on line when the abrasion exceeds the standard, the manpower and material resource investment for inspection and maintenance is small, the labor intensity of workers is reduced, and production is rapidly recovered.

A reconfigurable configuration method, system and application based on waveform grouping belong to the technical field of satellite communication, and specifically comprises the following steps: dividing L groups according to waveform frequency domain characteristics, carrying out hardware unified design by taking a waveform with the maximum resource demand as a reference, ensuring that pins of each group are mapped consistently, and setting a unique ID (Identity); software is divided into a front-end public processing part and a rear-end demodulation decoding part, and a rear-end function module unified type is a configurable item; through independent configuration loading, software is dynamically loaded for each packet, and flexible reconstruction of a single packet waveform function is realized without influencing other packet services. Through the hardware modularization unification and software modularization reconfigurable design, the hardware complexity and the number of software configuration items of the multi-waveform system are reduced, and the flexibility and expandability of the system are remarkably improved under the condition that resources are limited.

The utility model provides a torsion-resistant cable, which belongs to the technical field of cables and comprises a protection layer, a torsion-resistant layer and a torsion-resistant layer. The conductors are arranged in the protective layer, the number of the conductors is multiple groups, the multiple groups of conductors are annularly distributed, each group of conductors comprises a wrapping tape with the interior of a hollow structure, at least one circle of multiple strands which are annularly distributed is arranged in the wrapping tape, when the number of circles of the strands is multiple, the circle centers of the multiple circles of strands are located at the same point, and a cavity is reserved in the strand of the innermost circle; every two adjacent strands in each circle of strands are connected in an abutting mode. The plied yarn is made of a flexible material; the utility model has the advantages that: on one hand, the multi-group conductor annular distribution and single-group folded wire concentric circle nested structure is adopted, the torsion stress is uniformly dispersed along the circumferential direction, and the broken wire caused by local stress concentration is avoided; on the other hand, the hollow design of the wrapping tape and the folded wires and the cavity structure of the folded wire at the innermost ring are adopted; reversible deformation of the cable during torsion is allowed, and interlayer friction and metal fatigue are reduced.

The utility model relates to the technical field of cocoon supplying devices, and discloses a silk reeling cocoon supplying device which comprises a material distributing pipe capable of being used for the silk reeling cocoon supplying device, a discharging pipe is fixed to the surface of the material distributing pipe, a vertical plate is fixed to the outer wall of the material distributing pipe, a transverse plate is fixed to the surface of the top of the material distributing pipe, and a plugging assembly is arranged on the surface of the transverse plate. A limiting mechanism is arranged on the surface of the plugging assembly and connected with the vertical plate, a material receiving component is arranged on the surface of the material distributing pipe, a receiving structure is arranged on the surface of the material receiving component, and the multiple discharging pipes are distributed at equal angles relative to the central axis of the material distributing pipe. According to the utility model, through the mutual cooperation of the distributing pipe, the discharging pipe, the vertical plate and the transverse plate, when the device is used, the discharging pipe can be utilized to realize multi-group simultaneous feeding, so that the problems that the existing device can only realize single-group feeding, most silk reeling machines are in a non-working state, and the silk reeling efficiency is reduced are solved.

The application discloses a kind of super-high super-limited special-shaped curved surface structure template support frame body, specifically related to curved surface structure template support technical field, including support column, support rail and adjusting support frame, the lower end of the support column is slidably installed with base column, by the setting of annular disc, support rail, when processing complex curved surface structure such as similar coal silo top, can be installed multiple groups of support rail according to actual support surface, to adapt to the structure requirement of different shape and size, realize the layout of single group of support column to multiple groups of support rail, to maximize the optimization of support structure layout and space utilization, only need to install a group of base, multiple groups of side pads can be installed, simplify the installation process, reduce construction cost and manpower investment, by the setting of adjusting support frame, in actual support process, the inclination angle of side pad can be adjusted according to the actual support curved surface shape, time-saving and labor-saving, while also can improve support effect and quality.

The utility model relates to the technical field of storage equipment, and particularly discloses a biological enzyme storage device which comprises a refrigerating box, a box door is arranged on the front face of the refrigerating box, a refrigerating cavity is formed in the front face of the box door, a plurality of movable frame plates are arranged in the refrigerating cavity, and a fixed frame plate is arranged above each movable frame plate. A plurality of storage boxes are placed between the movable frame plate and the fixed frame plate, the upper ends of the storage boxes are in sliding connection with second limiting pieces arranged at the lower end of the fixed frame plate, and the lower ends of the storage boxes are in sliding connection with third limiting pieces arranged at the upper end of the movable frame plate. Each storage box is of an independent structure, when a single group of samples are taken out of the refrigeration cavity, only the corresponding storage box needs to be pulled out from the position between the movable frame plate and the fixed frame plate, other storage boxes still stay between the movable frame plate and the fixed frame plate, and no interference is brought to storage of other biological enzyme samples. In addition, when the movable frame plate is pulled, the movable frame plate can pull out all the storage boxes together through the baffles, and the biological enzyme taking and placing efficiency can be effectively improved.

The utility model provides a liquid-cooled battery pack, and belongs to the field of secondary batteries. The liquid-cooled battery pack comprises a shell, a single-group unit and at least one double-group unit, the single-group unit and the at least one double-group unit are arranged in the shell along a first direction, a first liquid-cooled plate is arranged between two battery cell groups in the double-group unit, and a second liquid-cooled plate is arranged between at least one side of the single-group unit and the battery cell group adjacent to the single-group unit; the side, close to the single-group unit, of the second liquid cooling plate is in heat conduction connection with the single-group unit, and the other side of the second liquid cooling plate is provided with a heat insulation structure used for heat insulation between the second liquid cooling plate and the corresponding adjacent double-group unit. According to the utility model, the second liquid cooling plate is arranged between the battery cell group of the single group unit and the adjacent battery cell group, and the thermal insulation layer is arranged on one side, far away from the single group unit, of the second liquid cooling plate, so that the temperature of each battery cell is uniform, and the second liquid cooling plate is ensured not to be degummed after the battery cells are expanded.

The utility model discloses a degradable plastic seedling raising plate which comprises a supporting frame, a seedling raising mechanism is arranged at the top of the supporting frame, an auxiliary mechanism is arranged in the seedling raising mechanism, the seedling raising mechanism comprises connecting frames, seedling raising hoppers are fixedly installed in the connecting frames, a plurality of seedling raising hoppers are fixedly installed in each connecting frame, and the seedling raising hoppers are connected with the auxiliary mechanism. The seedling raising buckets are arranged at equal intervals, inserting blocks are fixedly installed on the front side and the rear side of the connecting frame, inserting grooves are formed in the front frame and the rear frame of the supporting frame, and the inserting blocks are inserted into the corresponding inserting grooves. According to the degradable plastic seedling raising tray, the connecting frame can be installed above the supporting frame by inserting the inserting blocks into the corresponding inserting grooves, the seedling raising buckets can be divided into multiple groups through the connecting frame, a single group of seedling raising buckets can be taken out through the split handles when seedlings are taken out, and therefore the purpose that the seedlings can be taken in groups when taken out is achieved; the problem that taking is inconvenient due to the large overall size is solved.

The utility model discloses a single-set grinding machine. The single-set grinding machine comprises a machine base, a Y-axis moving mechanism, a Z-axis moving mechanism, an electric cylinder driving device, an up-down base, a supporting arm, a turning plate, an abrasive belt grinding module and a workpiece autorotation mechanism. The grinding device is reasonable in structural design, the rotating axis of the turning plate is aligned with the abrasive belt center line of the abrasive belt grinding module, the grinding requirement of the handle workpieces can be met only by driving the turning plate to rotate and swing through the electric cylinder driving device, the problem that traditional handle workpieces need to swing up and down by a large margin is solved, and the grinding efficiency is improved. The lifting stroke distance of the Z-axis moving mechanism is effectively shortened, loss is reduced, the working efficiency is improved, meanwhile, by combining the lifting action of the Z-axis moving mechanism, the front-back movement of the Y-axis moving mechanism and the matched action of the workpiece rotation mechanism, the handle workpieces are ground through the abrasive belt grinding module, and the grinding effect is good. The overall structure is simple, implementation is easy, and wide application and popularization are facilitated.

The present application discloses a single-string photovoltaic power generation system, which adopts a structure in which a photovoltaic inverter is connected to only one photovoltaic string. Since only one photovoltaic string is connected, the emergence of a power line convergence area can be avoided, thereby greatly reducing the risk of local overtemperature, thereby reducing the occurrence of safety accidents. In addition, by introducing a component monitor, it is possible to control whether each photovoltaic component is connected to a photovoltaic string or bypassed, so that when a photovoltaic component fails, the photovoltaic component can be bypassed so that the entire photovoltaic power generation system can still remain in operation, thereby greatly reducing the loss of power generation.

The utility model discloses a large-capacity water tank fog gun machine, which comprises a water tank, a plurality of groups of spring telescopic rods are arranged at the water tank, the plurality of groups of spring telescopic rods are respectively connected with corresponding plate bodies, a plurality of groups of through holes are arranged at the water tank, the plurality of groups of plate bodies are all attached to the inner wall of the water tank, and the plurality of groups of through holes are respectively connected with the inner wall of the water tank. And a plurality of groups of convex blocks are connected to the plurality of groups of plate bodies. When the water tank is in threaded connection with the through opening, the water tank can drive the convex block to cancel the blocking of the plate body on the through opening, so that the water tank can be communicated with the water tank, the water storage capacity can be expanded, the water tank is placed at the top end of the water tank, only the height is increased, and the floor space is not occupied; in a long-time task to a certain extent, a single group or multiple groups of water tanks are mounted according to the actual task load, so that the water can meet the working requirements, the supply work is not needed, and the dust falling working efficiency can be ensured.

The invention discloses a hyperfine group rapid calculation method for a single group reaction section in Monte Carlo burnup calculation. The hyperfine group rapid calculation method comprises the following steps: (a) calculating each nuclide in each burnup region to generate a hyperfine group section; (b) carrying out Monte Carlo neutron transport calculation on each burnup region to obtain hyperfine group flux, wherein an energy group structure is matched with a hyperfine group cross section; and (c) using the hyperfine group flux as a weight spectrum, and merging hyperfine group sections into single group reaction sections for burn-up calculation and calling. When the hyperfine group cross section of each type of nuclide is calculated, a new background cross section algorithm is adopted, and only the single group absorption cross section of one type of nuclide needs to be calculated for each burnup area; according to the method, the calculation amount of Monte Carlo neutron transport is not additionally increased, the calculation of the hyperfine group flux and the background cross section of each burnup region is completed in a neutron transport process, and compared with a traditional reaction rate-flux ratio method for calculating the burnup cross section, the reaction rate counting time in the Monte Carlo neutron transport process is remarkably shortened, and the calculation efficiency is improved. The calculation speed can be increased in magnitude, and the method can be used for solving the calculation speed bottleneck problem that in Monte Carlo burnup calculation, burnup section calculation consumes much time.

The application discloses a square box battery cell insulation printing method, device, equipment and medium. By controlling the printing nozzle group (single group mode moves a preset anti-overlapping interval distance in a first direction to complete printing, or multiple group mode is arranged at an interval of the preset interval distance in the first direction), the splicing joint is not overlapped, without relying on complex algorithms such as feathering and hole closing, the problem of high algorithm debugging difficulty and the need to break through technical barriers is avoided, the technical implementation process is greatly simplified, without the need for high-precision physical installation position adjustment of the nozzle, a large amount of time consumption is avoided, the production rhythm is effectively accelerated, and the printing efficiency is improved. At the same time, without the need for additional nozzles, the increase of equipment procurement and maintenance costs caused by high-value nozzles is avoided, and the economic burden of the production end is reduced.

The present application discloses a single-string photovoltaic power generation system, which adopts a structure in which a photovoltaic inverter is connected to only one photovoltaic string. Since only one photovoltaic string is connected, the emergence of a power line convergence area can be avoided, thereby greatly reducing the risk of local overtemperature, thereby reducing the occurrence of safety accidents. In addition, by adding a component switch unit to the photovoltaic component, it is possible to control whether each photovoltaic component is connected to the photovoltaic string or bypassed, so that when a photovoltaic component fails, the photovoltaic component can be bypassed so that the entire photovoltaic power generation system can still remain in operation, thereby greatly reducing the loss of power generation.

The utility model discloses a drainage pipeline installation structure, which relates to the technical field of drainage pipes and comprises an installation frame and a pipe groove, the installation frame is internally provided with the pipe groove, both sides of the interior of the pipe groove are connected with drainage pipe main bodies, and the outer sides of the drainage pipe main bodies are fixedly provided with fixing rings. During use, when the drain pipe main body needs to be detached, a knob is rotated to drive a threaded rod to rotate, and a threaded sleeve drives two groups of positioning blocks to move upwards under the action of threaded connection so as to cancel limitation on a first locking block; then the connecting plate is pulled outwards to drive the first locking block and the second locking block to be separated from the sealing seat and the mounting frame, fixing of the drainage pipe body can be canceled, then the sealing seat is taken out upwards, the corresponding drainage pipe body can be taken out from the sealing seat conveniently, a single set of drainage pipe bodies can be replaced and maintained conveniently, operation is easy, use is convenient, and practicability is high. And the flexibility and practicability are enhanced.