12results about How to "Improve closing effect" patented technology

The invention discloses an electric energy metering error evaluation method and system for a direct current charging pile, equipment and a medium, and the method comprises the steps: constructing an electric energy disturbance response function based on transient voltage and transient current, and effectively quantifying the transient metering deviation caused by measurement lag, voltage drop, current peak and other factors in the actual operation of the direct current charging pile. Error reconstruction modeling has higher dynamic adaptive capacity and physical rationality, the limitation that in the prior art, the influence of the high-variable-load working condition on metering cannot be reflected is broken through, and the accuracy and timeliness of direct-current charging pile error monitoring are greatly improved. Besides, a standard error is introduced to carry out fitting calibration on a reconstruction error and carry out energy conservation verification, thereby realizing verifiability on a physical level and controllability in engineering implementation, enhancing credibility and authority of an evaluation result, constructing a closed-loop analysis mechanism from error evaluation to metering correction and then to conservation verification, and improving reliability and reliability of the evaluation result. And the closeness and the adaptive capability of the overall error evaluation are improved.

The invention belongs to the technical field of aircraft rudder design, and discloses an electrically-driven rudder floating zero calibration method, which comprises the following steps: setting the maximum mechanical length of an actuator of a rudder, arranging a current detection device on the actuator, implementing a ground marking test, increasing the output length of the actuator, and simultaneously measuring the stress of a rudder surface and the current of the actuator in real time. And according to the material strength and the safety coefficient of the control surface, selecting the value of the current of the actuator corresponding to the control surface stress under the corresponding safety coefficient as the floating zero mark of the rudder. By applying the designed floating zero position calibration and control method, the rudder can be completely closed in the zero position state, the stealth performance of the rudder surface can be improved, the flutter boundary is improved due to the increase of the overall thickness, in addition, the floating zero position of the rudder surface is actively pressed, a certain pre-tightening force is generated, and the stability of the rudder surface is improved. Free flapping of the upper and lower rudder surfaces of the rudder during air bumping and ground sliding can be effectively prevented, and the stealth performance of flight is improved.

The utility model belongs to the technical field of wine jar, specifically relates to a integrally formed glass wine jar, it includes jar body, characterized by: the lower part of jar body is equipped with the valve seat of integrally forming with jar body, is equipped with the valve cavity in the valve seat, the upper end of valve cavity is the mounting port, the lower end is communicated valve nozzle, the inner diameter of valve nozzle is less than valve cavity, and valve cavity is linked together with jar body, still include valve cover and elastomer, valve cover can be assembled on the mounting port, the top wall of valve cover is equipped with through -hole, is equipped with valve rod in through -hole, the lower part of valve rod is located in valve cavity, the lower part of valve rod has valve head, valve head can block valve nozzle, the lower end of elastomer is connected valve rod, and the upper end is connected valve cover, the jar only needs to install valve cover and valve rod on the valve seat, reduces the connection between valve seat and jar body and the sealing of junction, not only has simplified the connecting structure between discharge valve and jar body, still makes the connection between discharge valve and jar body and the service life of jar body, avoids the connecting part of both to leak due to the sealing problem.

The utility model relates to a kind of carbon dioxide inflation devices in grape wine fermentation process, comprising: fermentation tank body, its inside is provided with interlayer, and many gas holes are uniformly distributed on interlayer wall;Opening and closing mechanism, including movable installation in the gas hole by reset elastic member's closure plug;When inflation, gas pushes closure plug outward to make interlayer and fermentation tank body communicate;Reversing mechanism, including the straight-through pipe of the interlayer and external gas source connected by three-way valve, the other end of straight-through pipe not connected three-way valve is set in fermentation tank body;Flow guide mechanism, when the three-way valve of interlayer communication is closed, gas in interlayer is guided to fermentation tank body by flow guide mechanism to make interlayer be in negative pressure state, and closure plug is closed gas hole under the action of negative pressure adsorption force.The utility model makes gas flow from periphery to middle part and then push oxygen outward to discharge, to make external gas source pass through interlayer evenly and rapidly to the inflation of fermentation tank body, and then improve the efficiency of carbon dioxide inflation.

A storage structure and a refrigerator. The storage structure (43) for a refrigeration device comprises: a cabinet assembly (10) having an open end (13); a cabinet cover (20) arranged at the open end (13) of the cabinet assembly (10) and movable between a closed position and a maximum open position relative to the open end (13); a return drive assembly (30) operably connected with the cabinet assembly (10) and the cabinet cover (20) and configured to apply a driving force to the cabinet cover (20) to enable the cabinet cover (20) to automatically return when the cabinet cover (20) moves to a preset stroke position towards the closed position under the action of an external force. The preset stroke position is between the closed position and the maximum open position.

This invention discloses a multi-disciplinary collaborative design method for power grid engineering based on data fusion, relating to the field of collaborative design technology. The method includes: receiving professional design data and constraint data; performing object merging to generate an object library and a constraint library; reading the object library and constraint library to generate candidate object pairs, obtaining the relationships to be established, and generating a callable clearance ledger; receiving local design modifications, generating change domains, calculating penetration values, recalculating the clearance amount after local modifications, identifying review relationships, boundary-breaking relationships, existing abnormal relationships, and objects to be repaired; generating a change domain to accept changes and performing boundary-breaking propagation; obtaining a set of review relationships, a set of boundary-breaking relationships, a set of existing abnormal relationships, and a set of objects to be repaired; establishing a list of objects to be repaired, generating correction domains and correction content, locking the responsible professional, writing back to the object library, updating the callable clearance ledger, and triggering a correction closure check; improving the consistency, traceability, and closure of multi-disciplinary collaborative design.

This invention relates to the fields of 3D graphics data processing and 3D modeling technology, and particularly to a method for locating concealed metal ore bodies based on 3D modeling using geophysical data. The method includes: acquiring discrete geophysical spatial data and performing dimensionless attribute transformation; constructing a voxel mesh, mapping discrete attribute points to a 3D voxel space, and constructing multi-attribute vectors for voxels; introducing a voxel structure change intensity evaluation mechanism, calculating the intensity of voxel structure change, and performing adaptive voxel subdivision; constructing a 3D adjacency graph and performing region division processing, calculating the spatial assignment probability value of voxels, generating candidate anomalies, and extracting a closed triangular mesh surface model; and combining the spatial assignment probability value of voxels to locate concealed metal ore bodies. This method solves the problems of traditional location methods lacking a unified 3D volume data modeling mechanism and a resolution adaptive mechanism based on the degree of local change, making it difficult to generate stable and continuous probabilistic volumes and closed 3D mesh models.

The application discloses a hollow perfusion screw assembly for fixing collapsed or crushed fracture of non-spinal load-bearing bone, which comprises a screw body, characterized in that a perfusion channel is arranged in the screw body; the screw body is provided with a plurality of bone cement release openings which are asymmetrically distributed on the stem along the axial direction and / or the circumferential direction of the screw body; at least part of the bone cement release openings are oblique holes, long circular holes or strip-shaped holes, and have different opening directions or hole diameters; the bone cement enters the fracture lines between large bone blocks, the fracture lines between the large bone blocks and small bone blocks which are not directly fixed by the screw, the fracture lines between small bone blocks, the gaps between crushed bone and / or the collapsed cavities through the release openings, forms a directional extension filling and bonding structure, and forms a composite load-bearing structure together with the screw body and the main bone frame.

This invention discloses an adjustable suture looper and a vascular closure device. The adjustable suture looper includes a control handle, an adjustable bend tube, a separation mechanism, and a suture retrieval mechanism. The adjustable bend tube extends from the front end of the control handle. The separation mechanism is located at the front of the adjustable bend tube and includes a pair of openable and closable separation heads with through holes for threading surgical sutures. The suture retrieval mechanism is axially positioned on the outer layer of the adjustable bend tube. The control handle controls the bending of the adjustable bend tube and the opening, closing, and forward / backward movement of the pair of separation heads. The suture retrieval mechanism retrieves the surgical suture from the separation heads. The vascular closure device includes an adjustable suture looper and a knot pusher. The knot pusher pushes the knot on the surgical suture to the blood vessel and cuts the suture. This invention features minimal invasiveness and damage, reduces the risk of complications such as vasculitis, allergies, and thrombus dislodgement, and provides a long-lasting vascular closure effect.

This invention discloses a linear stapler with precise firing and positioning, relating to the field of staplers. In this invention, the staple cartridge is installed within a staple cartridge holder via adjusting bolts. The height of the staple cartridge within the holder can be adjusted by raising and lowering the bolts, thereby adjusting the distance between the staple cartridge and the anvil plate. This allows the staple cartridge and anvil plate to work together to clamp and cut tissues of different thicknesses, improving the applicability of the stapler. Furthermore, an adjusting plate is installed on the side of the staple cartridge, and this adjusting plate is connected to the firing assembly via a lifting plate. When the staple cartridge is adjusted, the firing assembly can be adjusted in height using the adjusting plate and the lifting plate, ensuring that the height of the firing assembly is adjusted synchronously with the staple cartridge. This guarantees that the firing assembly can accurately fire the titanium staples within the adjusted staple cartridge, ensuring the normal operation of the stapler. Simultaneously, the adjustment of the staple cartridge's height allows for quick and convenient adjustment of the clamping position of the staple cartridge and anvil plate on the tissue.

The invention relates to the technical field of corrosion prevention and tissue regeneration promotion, in particular to a preparation method for preparing corrosion prevention and tissue regeneration promotion based on a wall breaking technology, and the corrosion prevention and tissue regeneration promotion is prepared from the following raw materials in parts by weight: 30-60 parts of calcined calamine, 15-30 parts of myrrh, 1-2 parts of sal ammoniac, 10-20 parts of realgar, 15-30 parts of borax, 1.5-3 parts of borneol and 15-30 parts of frankincense. Optionally, the composition also comprises 0.5-1 part of pearl. The traditional preservative and tissue regeneration promoting traditional Chinese medicine formula is optimized, the calcined calamine, the frankincense and the myrrh are taken as cores and matched with the sal ammoniac, the realgar, the borax and the borneol, all the medicines are combined, the synergistic effects of removing slough, promoting tissue regeneration, activating blood, detoxifying, preventing corrosion and resisting bacteria are achieved, healing of skin ulcers, scrofula, fester and other wounds can be effectively promoted, wound infection is inhibited, and compared with an existing formula, the effects are more comprehensive, and the effects are better. And pearls can be added according to requirements, so that the closing effect is further improved.

The application provides a waterproof construction method for the joint of a water-rich geological anti-floating anchor rod and a foundation, and relates to the technical field of anti-floating anchor rod connection. Step 1, preparing materials; step 2, after excavation is completed, the anti-floating anchor rod is constructed according to the designed position, and then a cup-shaped foundation is formed around the anti-floating anchor rod by manual excavation; step 3, after the base layer is cleaned, a concrete foundation cushion is poured, and a polyurethane waterproof layer is brushed on the foundation cushion, with the brushing thickness being controlled within 1.5-2 mm; step 4, water-swelling waterproof adhesive tape, steel plate waterproof tape, waterproof steel plate and reinforcing steel bars are additionally arranged at the bending position on the anti-floating anchor rod; step 5, then, the cup-shaped foundation is poured with slightly-expanding concrete; step 6, after pouring is completed, SBS waterproof coiled material and a waterproof protective layer are constructed on the bottom cushion of the foundation bottom plate and the upper part of the cup-shaped foundation; and step 7, after construction is completed, the foundation bottom plate steel bars are bound and the foundation bottom plate concrete is poured. The application is used to solve the problem of waterproof leakage at the joint of the anti-floating anchor rod and the foundation.