23results about How to "Reduce constraints" patented technology

The utility model discloses an ecological self -repairing assembled retaining wall, including cast -in -place pad, prefabricated vertical board and prefabricated backboard, the slope of prefabricated vertical board supports prefabricated backboard, prefabricated vertical board bottom is equipped with toe and hind toe, still include prefabricated toe board and post -cast heel board, prefabricated toe board is fixed with cast -in -place pad, the hind part of prefabricated toe board is equipped with a plurality of toe grooves, and the toe of prefabricated vertical board is inserted in toe groove, and post -cast heel board is used for with prefabricated vertical board's bottom and hind toe pouring fixed. Advantages lie in, adopt prefabricated toe board to be used for with prefabricated vertical board bottom toe cooperation preliminary fixed prefabricated vertical board, and then through the pouring of post -cast heel board makes prefabricated vertical board and cast -in -place pad and post -cast heel board form an organic whole, and the overallity is strong and the structure is stable.

The application relates to the technical field of bridge and tunnel construction, in particular to a small-clearance bridge and tunnel combined structure anti-interference construction method. The bridge and tunnel combined structure comprises a bridge and a tunnel arranged in parallel along an axial direction; the tunnel comprises a tunnel vertical excavation section adopting a first slope and a second vertical excavation of a tunnel foundation pit and a tunnel slope excavation section adopting multi-stage slope excavation of a tunnel foundation pit; the bridge comprises a bridge slope excavation section adopting slope excavation of a pile cap foundation pit and a bridge vertical excavation section adopting vertical excavation of a pile cap foundation pit; the anti-interference construction method comprises the following steps: S1, setting the depth of the tunnel foundation pit slope excavation to be greater than the pile cap embedded depth of the bridge slope excavation section; after the tunnel foundation pit is excavated and stabilized, the bridge pile foundation is constructed; S2, after the bridge pile foundation construction is completed, the tunnel main body structure construction and the pile cap construction of the bridge slope excavation section are simultaneously performed; S4, after the tunnel foundation pit backfilling is completed, the construction of the remaining structure of the bridge is performed, the pile cap construction of the bridge slope excavation section is prepositioned, and the construction speed is improved.

The invention provides an electric dust collector and a suction inlet body, which can stably keep a rotary cleaning body and have few layout restrictions. The suction port body has a motor (11) as a drive source, a rotary cleaning body (12), a transmission part (13), a fixing member (124) as a first magnetic body, and a second magnetic body (133). The transmission unit (13) is disposed coaxially with the rotary cleaning body (12), and transmits the power of the motor (11) to the rotary cleaning body (12) to rotate the rotary cleaning body (12). The fixing member (124) is disposed on the rotary cleaning body (12). The second magnetic body (133) holds the rotary cleaning body (12) at a predetermined position with respect to the transmission part (13) by a magnetic force acting between the second magnetic body (133) and the fixing member (124).

The application provides a soil organic carbon estimation method based on a Sentinel-2 image, and steps include sample collection, remote sensing data processing, feature screening, model building, training and testing, and optimal model inversion. The application aims to solve the problems of insufficient precision and interpretability of existing estimation methods, and constructs a high-precision estimation technology system that fuses multispectral data and stacking model algorithms. Only small-scale sample collection is required to train the model, without the need for repeated field sampling and laboratory analysis, which greatly reduces the cost, has small external constraints and is environmentally friendly. The application can efficiently realize large-scale continuous estimation, and the estimation result has high precision and strong stability, which can accurately depict the spatial distribution of carbon content and provide reliable technical support and data guarantee for related work.

This utility model relates to a box-type ring beam pin joint, comprising a box body with a bracket at the bottom. Several pin plates are installed around the box body, each with a pin hole for mounting a pin. Each pin plate includes a first pin plate, a second pin plate, and two third pin plates. The first pin plate is inserted into the box body, while the second pin plate is installed outside the box body, coaxially aligned with the first pin plate. The two third pin plates are installed on the side of the bracket away from the second pin plate, coaxially aligned with each other. This box-type ring beam pin joint can be applied to the roof structure of large stadiums, enabling better connection between the ring beam and the radial and vertical structures, achieving reliable force transmission and ensuring structural stability.

The invention discloses an air compressor cluster cooperative control and energy efficiency optimization method based on digital twinning, and the method comprises the following steps: collecting the real-time operation data of an air compressor cluster and an air supply system, and carrying out the time alignment, and obtaining the time alignment data; establishing a digital twinborn model of the air compressor cluster air supply system; the method comprises the following steps of: constructing a Zonotop observer to obtain an initialized coupling Zonotop; generating a candidate group control strategy set in the rolling optimization window; a reachable domain propagation operator is called to execute prediction updating, and prediction coupling Zonotop is obtained; consistency shrinkage is executed, and an updated coupling Zonope is obtained; and loading each candidate group control strategy to the digital twinborn model, executing simulation deduction, selecting an optimal control strategy from the candidate group control strategy set, and issuing the optimal control strategy to an air compressor cluster execution control system for execution. The feasibility and the stable energy-saving effect of the air compressor cluster cooperative control strategy are improved.

The application discloses a panoramic image intrinsic decomposition method based on light pre-extraction and belongs to the technical field of image intrinsic decomposition.The application combines the 360-degree expression of a panoramic image to a scene, saves complex light information onto a pre-extraction image through light pre-extraction, directly uses the pre-extraction image as a constraint condition, can realize accurate positioning of a complex light region, improves the decomposition process through the constraint of the complex light region, reduces highlight and shadow information in a reflectivity image, realizes separation from light properties, introduces the pre-extraction image in the determination of a non-local constraint weight, combines the weight with a KNN result, can effectively select appropriate pixel pairs for constraint, improves the adaptability of constraint between different pixel points in a scene, reduces unnecessary constraint, and improves the image quality obtained through decomposition.The application is suitable for the fields of image decomposition and image processing and improves image processing quality.

The embodiment of the specification provides a loudspeaker, comprising: a housing having an inner cavity; the vibrating diaphragm is arranged in the inner cavity; the driving unit drives the vibrating diaphragm to vibrate; the vibration transmission unit is in transmission connection with the vibrating diaphragm and the driving unit; and a first gap is formed between the edge of the vibrating diaphragm and the inner wall of the shell, so that the vibrating diaphragm is allowed to slide relative to the inner wall of the shell.

The invention discloses an unmanned aerial vehicle visual navigation method based on prior strategy guidance and mask contrast learning, which comprises the following steps of: performing time sequence modeling and feature extraction on an original visual observation image data set by using a mask contrast learning module to obtain a final embedded representation sequence, and performing visual navigation based on the final embedded representation sequence. Training the mask contrast learning module by using a contrast learning method based on a momentum updating mechanism to obtain a trained mask contrast learning module; and performing reinforcement learning training on the prior teacher strategy based on the global state information, and in combination with the trained mask comparison learning module and the prior teacher strategy based on the global state information, obtaining an overall learning target and completing visual navigation of the unmanned aerial vehicle. The method has excellent strategy performance and cross-environment generalization ability in various scenes with sensing interference and irregular obstacle distribution, is suitable for autonomous decision-making tasks of unmanned aerial vehicles and other visual sensing limited systems, and has good theoretical popularization value and engineering application prospect.

The invention discloses a visual perception large model distributed training method based on a general calculation fusion network, and relates to the technical field of information and communication, and the method comprises the steps: an edge server initializes and broadcasts a pre-trained general large model; receiving general large model parameters to form a local general model; the edge device continuously receives visual perception data samples, and online learning is carried out through incremental training and a sliding window mechanism; performing clustering analysis on local sample data, and classifying samples into personalized model processing samples and global model processing samples; respectively inputting the classification samples into the personalized model and the global model, and weighting and aggregating output features through a gating network; the edge device uploads the updated global model parameters to a server for aggregation, and a new global model is generated; and the edge equipment periodically receives the latest global model parameters broadcasted by the server, and iterative training is carried out until the model converges. According to the invention, high-efficiency, high-precision and high-reliability distributed model training and visual perception performance are realized.

A stator coil of a rotating electric machine is formed by a concentric winding method. A stator coil is configured by inserting and connecting hairpin-shaped coil pieces (10, 11, 20, 21, 30, 31) formed from flat wires from one side and the other side in the axial direction. The length of the linear part of the coil piece is half of the axial length of the stator core, a convex shape or a concave shape is formed at the two leg end parts, and the convex part and the concave part are embedded. The coil is composed of three kinds of coil pieces: central coil pieces (10, 11) that connect the slots in the circumferential direction in the vicinity of the radial center of the slots; inner coil pieces (20, 21) that are connected in the circumferential direction so that coil end portions are biased inward in the radial direction than the radial positions of the slots; and outer coil pieces (30, 31) that are connected in the circumferential direction so as to be biased outward in the radial direction. Concentric coil portions formed by connected central coil pieces (10, 11), coil pieces (20, 31), and coil pieces (30, 21) are made to have the same length, so that the resistance values are made to be consistent, and the assemblability is improved.

The utility model relates to hydrogen storage alloy tabletting expansion rate measurement technical field, especially in kind of measure hydrogen storage alloy tabletting expansion rate's device, main including cylindrical jar body, the top of jar body is sealed with high borosilicate glass, the top of high borosilicate glass is arranged with high definition video recording equipment, and the lateral wall of jar body is connected with gas supply pipeline, and the inner chamber bottom of jar body places and places hydrogen storage alloy tabletting of transverse oxygen storage alloy tabletting, the utility model discloses double tabletting horizontal and vertical layout mode, improves hydrogen storage alloy volume expansion calculation precision, makes researcher obtain reliable volume expansion rate data, provides accurate quantitative index for material performance analysis, adopts adhesive fixing method, and hydrogen storage alloy's boundary restraint force action is reduced as far as possible, makes material in the experiment process can expand freely, and the natural state of its in hydrogen pressure environment is truly reflected, adopts dynamic image recording equipment whole process to capture the morphological change of material, and records hydrogen storage alloy expansion change details.

This invention relates to the field of pipeline monitoring technology, and more particularly to a thickness monitoring device for high-temperature pipelines. The device includes a transducer and a waveguide rod. A clamping fixture is provided between the transducer and the waveguide rod to press the acoustic input end of the waveguide rod tightly against the end face of the transducer. The outer wall of the waveguide rod forms an annular groove through two sets of annular protrusions. The clamping fixture includes an annular ring body detachably mounted on the transducer and a connecting circular plate embedded in the annular groove. Several insertion structures with pre-set circular holes through the connecting circular plate are fixed to the side of the annular ring body away from the transducer. Each insertion structure has a locking nut threaded onto its end protruding from the connecting circular plate. A toothed ring swivel assembly is rotatably fitted onto the surface of the connecting circular plate. This invention not only ensures uniform contact and consistent pre-tightening force between the transducer and the waveguide rod end faces, thereby improving the quality of ultrasonic signal transmission, but also ensures the durability of their tight fit.

The invention discloses a battery aging trajectory adaptive extrapolation method fusing physical time sequence prior, which comprises the following steps: collecting full life cycle constant current charging data of a battery, extracting an incremental capacity curve, and constructing characteristic peak evolution to form multi-dimensional physical time sequence prior; a state space backbone network is introduced, and trend perception is achieved through a priori initialization implicit state; constructing an attention anomaly detection module to discriminate real relaxation and noise; monotonic constraint is released through a micro-relaxation layer for a relaxation event, and data is corrected through Kalman filtering for noise; and constructing a dynamic trade-off loss function to adaptively adjust the physical constraint strength, and iteratively training the model based on the corrected data to realize stable extrapolation prediction. The method effectively solves the problems that in the prior art, real physical relaxation and measurement noise cannot be distinguished, and prediction deviation is caused by physical constraint rigidity.

The utility model discloses a kind of auxiliary devices for slag cleaning, including baffle, baffle includes baffle body and movable element;Baffle body is equipped with a group of openings, movable element is slidably covered on opening, and movable element is equipped with poking slag port;In movable element sliding stroke, the partial area of poking slag port and opening is overlapped;In the auxiliary device for slag cleaning of the utility model, protection can be formed to operator when poking slag operation by setting baffle, to avoid being splashed and falling slag scalding;Meanwhile, movable element is slidably arranged on baffle body, and poking slag port is opened on movable element, when poking slag tool is carried out poking slag through poking slag port, poking slag port can be moved along with poking slag tool, reduce the constraint limit of poking slag port to poking slag tool, make poking slag operation more convenient and efficient.

The present application relates to a kind of integrated oral fixation and medicine pouring livestock medicine pouring device, including fixator and medicine storage box, the fixator includes bite plate, a plurality of protective shafts are arranged between the symmetrically distributed bite plate, the middle part of connecting shaft is fixedly connected with connecting plate, one end of connecting plate is fixedly connected with liquid outlet plate, opening and closing piece is further arranged between bite plate, drive element is arranged between opening and closing piece and connecting plate, the opening and closing piece includes fixed stake fixedly connected in the side similar to bite plate, both ends of fixed stake are rotatably connected with hinged plate, and upper and lower distribution two hinged plate end position is rotatably connected with hinged shaft, and the outside of hinged shaft is fixedly connected with suction magnetic strip.The present application realizes the beneficial effect of self-adaptive regulation unit time dosing according to the size of livestock and oral opening degree, avoids small livestock overdosing and causes cough, and also eliminates large livestock waste caused by insufficient dosing, accurately matches the safe medicine pouring demand of different sizes.

The application discloses a sheath tube, a guide sheath, a guide sheath assembly and an endoscope kit, and relates to the technical field of medical devices. The sheath tube disclosed by the application is used for a guide sheath, and the sheath tube comprises an inner liner tube and an outer covering skin, and the outer covering skin is sleeved on the outer periphery of the inner liner tube, wherein: the outer covering skin comprises a first outer covering section and a second outer covering section, the first outer covering section is arranged on one side of the second outer covering section close to the distal end of the inner liner tube, and the rigidity of the first outer covering section is smaller than the rigidity of the second outer covering section. The above scheme can at least solve the problem that the guide sheath placement operation is blocked.

The utility model discloses an anti-cracking assembly type laminated slab structure which comprises a prefabricated bottom plate, the prefabricated bottom plate is of a concrete structure, and a two-way steel bar set is arranged in the prefabricated bottom plate. A distribution steel bar group is arranged in the post-pouring layer, and one end of the distribution steel bar group is pre-connected to the interior of the prefabricated bottom plate; the buffer layer is located between the prefabricated bottom plate and the post-pouring layer, and relates to the technical field of assembly type laminated slabs, the buffer layer is located between the prefabricated bottom plate and the post-pouring layer and made of elastic materials, the buffer layer can absorb stress generated by concrete shrinkage and temperature change, constraint between the prefabricated bottom plate and the post-pouring layer is reduced, and the prefabricated bottom plate and the post-pouring layer are prevented from being damaged. Therefore, the possibility of crack generation is reduced.

This invention discloses a charge generation device and method based on potential difference, belonging to the field of energy conversion technology. The spatial layout of the device is completely isomorphic to the Earth's latitude and longitude system: a stationary heat storage body is at the center, surrounded by a sealed medium cavity, a stationary thin shell, and moving parts. The upper part is the North Pole, with a positive charge lead-out end, and the lower part is the South Pole, with a negative charge lead-out end. The radial temperature gradient established by the heat storage body drives medium convection. The moving parts horizontally surround and reinforce particle collisions along the latitudinal direction, generating electricity. The inner surface of the stationary thin shell is divided into upper and lower hemispheres, naturally separating positive and negative charges based on the difference in the material's work function. Positive charges accumulate along the meridian from bottom to top to the North Pole, and negative charges accumulate along the meridian from top to bottom to the South Pole, naturally outputting direct current. This device does not rely on permanent magnets, a through-axis, or magnetic flux cutting conductors; it can directly utilize low-grade thermal energy as the main energy input. The system follows the law of conservation of energy; thermal energy contributes the main part of the input energy, and artificial mechanical work serves only as an auxiliary condition, enabling the output electrical energy to exceed the artificial mechanical input power. The core topology can be flexibly scaled to adapt to a variety of low-grade heat recovery and independent off-grid power supply scenarios, ranging from residential to industrial applications.

An optical fiber acoustic wave sensitization structure disclosed by the present invention comprises a support, a flexible compliance member and a sheath optical fiber, the flexible compliance member is assembled on the support, the sheath optical fiber is wound on at least part of the surface of the flexible compliance member, the sheath optical fiber comprises a wire core and a sheath, the wire core is a standard single-mode optical fiber, the sheath wraps the wire core, and the flexible compliance member is assembled on the support. The Young modulus of the sheath is lower than the Young modulus of the wire core, the sheath is in contact fit with the flexible compliant component, under the action of external sound pressure, the sheath optical fiber can be directly coupled with sound waves to generate displacement and strain, and the flexible compliant component can deform along with the displacement and strain of the sheath optical fiber. The problems that in the prior art, sound wave energy coupling efficiency is not high, sensitivity is insufficient in a weak sound wave monitoring scene, and a standard single-mode optical fiber is prone to breakage and poor in stability in a complex stress environment are solved.

This utility model relates to the technical field of hazardous gas purification equipment, and particularly to a hazardous gas adsorption tank and an emergency gas scrubbing device. The hazardous gas adsorption tank comprises: a tank body with an open bottom design and a tank opening at the top communicating with the inner cavity of the tank; a movable plate movably disposed within the inner cavity of the tank body and matching the radial cross-sectional shape of the inner cavity; an elastic support module disposed on the tank body and connected to the movable plate for elastically supporting the movable plate; and a packing module disposed within the inner cavity of the tank body and connected to the movable plate for holding different types of solid adsorbents. This device, by utilizing the packing module to hold different types of solid adsorbents, allows users to easily remove multiple holding components and their respective types of solid adsorbents from the inner cavity of the tank for refilling or replacing solid adsorbents, thus overcoming the shortcomings of poor maintenance convenience in existing technologies.

The utility model discloses a tip of an insertion part. The tip comprises a tip body and a first channel arranged in the tip body. The end body is provided with a first end face and a second end face which are oppositely arranged, the first channel penetrates through the first end face, extends towards the direction of the second end face and further penetrates through the side wall of the side, close to the second end face, of the end body, and the second channel extends towards the direction of the second end face. A crevasse which is opened from the side direction is defined on the side wall of one side; therefore, an external instrument which extends out of the end body from the first channel obtains a large operation space, and the constraint and limitation of the end body on the movement of the instrument are effectively reduced. In addition, the utility model further discloses a hysteroscope with the tip.