15results about How to "Avoid overexpansion" patented technology

The invention belongs to the technical field of manufacturing of Mini-LED chips, and discloses a plane stretching type Mini-LED chip film expanding device and method capable of correcting errors. A plane stretching type chip film expanding device capable of correcting errors comprises a first film expanding mechanism, a second film expanding mechanism, a film pressing frame, a scanning camera and an error correcting mechanism. A first film expanding mechanism and a second film expanding mechanism are adopted for integrally stretching a blue film, then a scanning camera detects the position of a chip on the blue film, a correction disc is adsorbed through an adsorption through hole to locally fix the part, without deviation, of the chip in the blue film, and then the part, with deviation and without fixation, of the chip in the blue film is jacked up through a marble; the blue film is locally expanded, so that the position of the chip on the blue film is corrected, the position of the chip is accurately adjusted, and the problems that a conventional film expanding device cannot randomly adjust the local stretching amount of the blue film and cannot correct the position deviation of the local chip are solved.

The application provides a soft finger based on a giant electro-rheological valve and a soft gripper integrated with driving control, and belongs to the technical field of soft robots. The soft finger comprises a fluid grid layer and a bottom plate layer. The fluid grid layer comprises a main channel and a plurality of grids. Each grid is provided with a branch cavity. The bottom of the branch cavity is provided with an opening. The bottom of the branch cavity of each grid is communicated with the main channel. A branch soft valve is arranged on the side wall of the branch cavity of each grid. A plurality of main channel soft valves are arranged in the main channel. The side wall of the grid at a fixed end is provided with a first giant electro-rheological liquid pipe. The bottom plate layer comprises a second giant electro-rheological liquid pipe and a bottom plate body. The second giant electro-rheological liquid pipe is communicated with the main channel. By applying a specified pressure to different parts of each branch cavity and the main channel, the branch cavity is expanded, a plurality of bending modes of the soft finger can be realized, and the main channel can be individually pressurized to improve the ability of grasping a load.

The utility model relates to the technical field of food heating, in particular to a food rapid heating device for an individual soldier, which comprises a heat preservation bag and a heating bag, the heating bag is arranged in the heat preservation bag, a food bag is arranged in the heating bag, a heating belt is sleeved on the outer side of the food bag, and the upper inner wall and the lower inner wall of the heating bag are fixedly connected with blocking mechanisms. The blocking mechanism comprises a fixing belt, a placing bag and an expanding agent, one end of the fixing belt is fixedly connected with the heating bag, the placing bag is fixedly connected to the inner side of the fixing belt, the outer side of the placing bag is fixedly connected with the heating bag, and the expanding agent is arranged in the placing bag; according to the utility model, the two groups of staggered fixing belts, placing bags and expanding agents are arranged on the inner wall of the heating bag, when water enters the heating bag, the water and the heating belts generate chemical reaction to generate heat, when the device is horizontally placed, the water is in contact with the expanding materials in the expanding agents, and the expanding materials expand, so that the water is heated; at the moment, water can be effectively prevented from flowing out, and water leakage is effectively avoided.

The invention discloses an airbag performance reverse development method by means of computer software, and relates to the technical field of automobile safety, the method comprises the following steps: S1, establishing an airbag unfolding dynamic model based on sensor data at different collision angles, S2, determining the optimal unfolding speed of the airbag at various collision angles according to the model output, and S3, determining the optimal unfolding speed of the airbag at various collision angles according to the optimal unfolding speed. S3, an ignition time sequence regulation and control algorithm is constructed to be matched with the optimal unfolding speed; S4, an ignition controller of the safety air bag is reprogrammed based on the algorithm; according to the safety airbag performance reverse development method by means of the computer software, the robustness of a system in a complex environment is improved, efficient airbag unfolding control can still be kept even under the condition of sensor signal fluctuation or noise interference, it is ensured that airbag ignition and unfolding decisions are more scientific and accurate, and the safety airbag performance reverse development method is suitable for popularization and application. And the ignition time sequence of the safety air bag is regulated and controlled to solve the problem that the unfolding speeds of the air bag are inconsistent at different collision angles.

The invention relates to the technical field of gypsum board production equipment, in particular to a gypsum board covering paper pre-expansion device which comprises a frame body, a conveying assembly and a spraying assembly, and the conveying assembly is arranged on the frame body and used for conveying covering paper; the multiple spraying assemblies are arranged on the frame body and arranged along the conveying path of the conveying assembly at intervals, each spraying assembly is correspondingly provided with a spraying section on the conveying path, and an expansion section is arranged between every two adjacent spraying sections. Through multiple groups of spraying sections and expansion sections, a small amount of water mist can permeate into the lining of the surface protection paper from the surface of the surface protection paper for multiple times, so that the inner layer and outer layer structures of the surface protection paper can be uniformly expanded, and the surface of the surface protection paper is prevented from being excessively expanded; therefore, layered bubbles on the gypsum board surface after the surface protection paper with the excessively-expanded surface enters a gypsum board production line are avoided, the qualified rate of the gypsum board is increased, and the overall appearance of the gypsum board is improved.

The application discloses a kind of proton exchange membrane, its preparation method and the membrane electrode for electrolyzing water hydrogen production.The preparation method of the proton exchange membrane includes the following steps: (1) preparation polyaromatic ether base polymer;(2) preparation sulfonated polyaromatic ether base polymer;(3) sulfonated polyaromatic ether base polymer is ground into powder, and is made into homogeneous solution, then homogeneous solution is poured on clean glass plate, vacuum drying and further acidification treatment obtain proton exchange membrane.The application provides a kind of membrane electrode for electrolyzing water hydrogen production, including the above-mentioned proton exchange membrane, cathode catalyst layer and anode catalyst layer located at the two sides of proton exchange membrane respectively, and cathode diffusion layer and anode diffusion layer respectively located at the outside of cathode catalyst and anode catalyst layer, the binder in the cathode catalyst layer and anode catalyst layer is the ethanol solution of the above-mentioned sulfonated polyaromatic ether base polymer.The membrane electrode of the application has excellent performance in electrolyzing water hydrogen production.

The utility model discloses a buffer assembly, a battery module, a battery device and electric equipment, the buffer assembly is used for the battery device, and the buffer assembly comprises a base, a buffer piece and a pressing plate; the buffer piece is arranged on the base; the pressing plate is arranged on the side, back to the base, of the buffering piece. The buffer member is adapted to deform to move the pressing plate relative to the base, and the pressing plate is adapted to extrude the battery cell. The buffer assembly can enable the battery cell to release expansive force.

This invention discloses a lightweight image super-resolution reconstruction method, system, and storage medium, relating to the field of image processing technology. Specifically, it includes: acquiring high-resolution and low-resolution images of the target as training sample pairs; constructing a lightweight image super-resolution reconstruction model comprising a shallow feature extraction module, a deep feature extraction module, a multi-layer feature fusion module, and an image reconstruction module. The shallow feature extraction module performs shallow processing on the low-resolution image; the deep feature extraction module consists of multiple cascaded enhanced separable residual feature refinement blocks, extracting shallow features to obtain multiple deep features; the multi-layer feature fusion module is used to obtain fused features; and the image reconstruction module is used to output the high-resolution image. The trained model is used to reconstruct the low-resolution image to be processed. This invention has a simple network structure and achieves accurate reconstruction of image texture and details using only a low number of parameters and computational cost.

The utility model discloses a fluid-driven air bag type soft gripper which comprises a gripper body and a sealing assembly which are matched with each other, a plurality of protruding edges are evenly distributed on the outer side wall of the gripper body, and an expansion cavity is formed in the gripper body. A connecting air hole is formed in the sealing assembly and communicates with the expansion cavity. By additionally arranging the ribs on the outer wall of the gripper main body, the frictional resistance between the gripper main body and a gripped object is increased, so that the stability and the safety in the gripping process are improved. And a plurality of ribs are additionally arranged on the inner wall of the expansion cavity, so that excessive expansion of the expansion cavity is avoided, the grabbing performance of the gripper is improved, and the service life of the gripper main body is prolonged. According to the sealing cover assembly, the through groove is additionally formed in the second sealing ring, so that the gripper body can be conveniently installed in the installation groove, the fixing block attached to the through groove is additionally arranged in the installation groove, the firmness of the contact position of the second sealing ring and the installation groove is improved, and therefore the sealing cover assembly is prevented from falling off.

The hysteroscope liquid leakage prevention device for the gynecological operation comprises a hysteroscope and a leakage prevention pipe, and the leakage prevention pipe is fixedly connected to the outer wall of the hysteroscope in a sleeving mode; the leakage-proof tube comprises a tube body, a medical latex air bag, an air bag adjusting assembly, a liquid inlet assembly, a quantity adjusting assembly, a locking screw and an abutting spring, and the tube body is fixedly connected to the outer wall of the hysteroscope in a sleeving mode. The swelling degree of the medical latex air bag is adjusted through the air bag adjusting assembly, and it is avoided that the medical latex air bag is too large to cause mechanical compression to the cervix; excessive expansion of the medical latex air bag may oppress blood vessels around the cervical orifice and affect the health of tissues. Through the air bag adjusting assembly, a doctor should avoid excessive expansion according to the actual size and shape of the cervix uteri opening, gradually inflate or deflate air in the medical latex air bag, observe the reaction of the cervix uteri opening while inflating, and deflate when excessive air exists, and it is ensured that the medical latex air bag plays a leakage-proof role and cannot damage the cervix uteri opening.

The present invention provides a preparation method and application of sodium formate, and relates to the technical field of sodium formate material preparation. The present invention improves the process and improves the impurity adsorption efficiency, introduces modified activated carbon and modified filter membrane, thereby obtaining purified sodium formate, and applies it to drilling fluid to improve various properties of drilling fluid.

The utility model discloses a high pressure vertebral body dilatation balloon relates to medical instrument technical field, including the cylinder, one side of cylinder is equipped with the communication pipe who communicates with its inside, the communication pipe is connected with the auxiliary pipe away from one end of cylinder, is provided with the joint on the auxiliary pipe, the end portion fixed mounting of cylinder has the balloon, and the outer wall of balloon is circumferentially provided with a plurality of membrane. The utility model discloses through the sealing seat, the limiting seat and the support seat of setting, the synchronous overturning of convex plate can be driven to the region of balloon front for dredging, the route of cleaning balloon's advance makes balloon reach the scheduled area smoothly, and the deformation of balloon is driven to the silk handle of moving back and forth, adjusts the tension degree of balloon's self, cooperates the indication of developing mark, accurately judges the position, shape and dilatation degree of balloon, reduces the uneven dilatation caused when filling subsequent contrast medium, adjusts the operation of operation in time, ensures the smooth operation of operation.

The invention provides a preparation method of a composite solid electrolyte, which comprises the following steps: mixing polyethylene glycol dimethyl ether and an amine compound to obtain a mixed solution; mixing and stirring an inorganic solid electrolyte and the mixed solution, reacting, and drying to obtain surface modified LATP; stirring and mixing a polyethylene glycol dimethyl ether solution, silicon monoxide and lithium salt to obtain a PSE solution; stirring and mixing the surface modified LATP and PSE solution, adjusting the pH value, drying and calcining to obtain a LATP composite structure with three coating layers; mixing and stirring the LATP composite structure with the three coating layers and a cationic polymer to obtain an LATP composite structure with positive charges; and mixing a metal source, the LATP composite structure with positive charges and an organic solvent aqueous solution, heating, and reducing to obtain the positive-charge LATP composite structure. According to the three-dimensional structure-core-shell LATP based on the scheme, the interface stability of the battery can be improved, the ion transmission efficiency is enhanced, and the rate capability and the thermal stability are improved.

The invention discloses a wrapping type waist rest with an elbow supporting function, which is applied to a seat and comprises a waist rest seat, an elbow supporting part and a waist rest body, and is characterized in that the waist rest seat is connected with the seat; the side waist rests are rotationally connected with the two ends of the waist rest seat respectively, and the side waist rests are unfolded in a wing shape to form side waist and elbow supporting structures; the two sets of adapters are rotationally connected with the side waist rests correspondingly, and the side waist rests are rotationally provided with the middle waist rests through the adapters; the elastic piece is arranged at the rotating joint of the components, and the elastic piece provides linkage feedback between the side waist rest and the middle waist rest; through multi-component rotation linkage and an elastic feedback structure, the functions of real-time side waist wrapping supporting and elbow bearing are achieved, the seat leaning experience is effectively optimized, and the applicability is wide.

The invention relates to the technical field of generators, and discloses a moving-iron Stirling generator which comprises a bottom plate, a Stirling generator body fixedly mounted on the upper surface of the bottom plate, and a connecting rod and a heating cover which are mounted on the Stirling generator body and can move linearly. When a plurality of ignited cotton cores heat a heating cover, the temperature in a cover shell is gradually increased, so that a thermal expansion solution in a heat conduction cylinder mounted on the inner wall of the cover shell is heated and expanded, a first piston is pushed outwards, the first piston drives a rack to move through a guide rod and a vertical plate, and the rack drives a gear ring meshed with the rack to rotate; the gear ring can drive the rotating disc to rotate, the adjusting holes formed in the rotating disc are staggered from the through holes, and therefore the size of flame emitted by the cotton core is reduced, the temperature of the heating end of a heat source is kept within the designed range, and excessive expansion or aging or damage of the heating end caused by the too high temperature is avoided.