80results about How to "Secure space" patented technology

The invention discloses a high-fidelity large-scale scene rendering method, system and device based on Gaussian splashing and a medium. The method comprises the steps of S1, collecting high-precision point cloud data of a large-scale scene; s2, generating an initial three-dimensional grid model, and introducing depth prior information to reduce floating artifacts in a rendering process; s3, constructing a multi-resolution three-dimensional Gaussian expression model, and adopting a self-adaptive scaling factor and random resolution level training scheme in each level; s4, in the rendering process, a hierarchical selection strategy is adopted based on the distance between the three-dimensional Gaussian and a rendering viewpoint, and high-quality and high-speed rendering on high-performance equipment is achieved; and S5, developing a lightweight renderer, and completing efficient rendering on a lightweight mobile device. According to the invention, by introducing a depth regularization technology, high-precision point cloud data and three-dimensional Gaussian representation are combined; the three-dimensional Gaussian model is optimized by using depth prior information, floating artifacts possibly occurring in the rendering process are reduced, and the rendering quality is remarkably improved.

The invention relates to a digital twin model construction method and device of a converter station and computer equipment. The method comprises the following steps: processing a visible light image of a converter station by adopting a motion recovery structure model and a multi-view stereoscopic model to obtain dense point cloud data of the converter station; fusing the dense point cloud data and the laser scanning point cloud data of the converter station to obtain geometric point cloud data of the converter station; constructing a grid model of the converter station according to the geometric point cloud data; according to the visible light image and the grid model, obtaining a visible light texture mapping relation corresponding to the visible light image, and according to the visible light image, performing registration processing on other multi-source images of the converter station to obtain other texture mapping relations corresponding to the other multi-source images; and obtaining a multi-source texture digital twin model of the converter station according to the grid model, the visible light texture mapping relation and other texture mapping relations. By adopting the method, the precision of the digital twin model of the converter station can be improved.

The invention discloses a circulating water cooling deposition base station, and aims to overcome the defect of poor cooling effect of a deposition base station. The base station comprises a base station body, a mounting cavity is formed in the base station body, a first layer plate and a second layer plate are mounted in the mounting cavity to divide the mounting cavity into a first cooling cavity, a ventilation cavity and a second cooling cavity which are sequentially adjacent, a top blind plate is mounted at one end of the base station body, and a blind plate cooling cavity is formed between the top blind plate and the base station body; a combined pipe is mounted at the other end of the abutment body and comprises a water inlet pipe, an air outlet pipe and a water outlet pipe which are sequentially sleeved, the water inlet pipe, the blind plate cooling cavity, the first cooling cavity, the second cooling cavity and the water outlet pipe are sequentially communicated, and the ventilation cavity is communicated with the air outlet pipe. According to the circulating water cooling deposition base station, high-temperature gas in the gas channel is subjected to multi-layer cooling through water circulation, the cooling effect is good, gas entering the vacuum pump is normal-temperature gas, and pollution and damage of the high-temperature gas to the environment and equipment are reduced.

The invention discloses a side column collision protection structure, a vehicle body and a vehicle, and the side column collision protection structure comprises a first beam, a second beam and a third beam, the first beams are arranged at intervals in the first direction, each first beam extends in the second direction, the ends of the first beams are connected with the first beams respectively, and an included angle is formed between the first direction and the second direction; and the energy absorption structural part is arranged on the first beam, and the energy absorption structural part is constructed to be crushed and deformed after bearing first set pressure. According to the side column collision protection structure, the energy absorption capacity of the first beam can be improved, and the stress of the first beam is reduced.

The invention discloses a rear floor assembly and a vehicle, and relates to the technical field of vehicles. The rear floor assembly comprises a rear longitudinal beam, the cross section of the rear longitudinal beam is in a hollow frame shape, and a first opening is formed in the bottom wall of the rear longitudinal beam. An opening in the bottom end of the mounting cylinder is connected with the first opening, so that the shock absorber is inserted into the mounting cylinder from the lower part of the rear longitudinal beam to be fixed; the connecting plate is fixedly arranged between the top of the mounting cylinder and the top wall of the rear longitudinal beam and extends in the width direction of the rear longitudinal beam, and the connecting plate comprises a fixing part connected with the top of the mounting cylinder in an attached mode and an extending part attached to the inner surface of the top wall of the rear longitudinal beam. The mounting cylinder is mounted on the bottom wall of the rear longitudinal beam, the performance requirement of a rear suspension system can be met, the space of a trunk can be guaranteed, the connecting plate is arranged between the top of the mounting cylinder and the top wall of the rear longitudinal beam, and the overall strength, rigidity and fatigue resistance of the rear longitudinal beam can be guaranteed.

The invention discloses an air return roadway full-section non-reciprocating supporting structure and a supporting method thereof. The full-section non-reciprocating supporting structure of the return air roadway comprises a fixing support, a supporting support and a mechanical arm support, the fixing support is arranged at the starting end of the roadway, and a winding piece and a mechanical arm are arranged on the fixing support; the supporting support comprises a top beam, a stand column and a base, and a telescopic column is arranged at one end of the base and can stretch out and draw back in the advancing direction of the base in a reciprocating mode. A sliding rail is detachably connected to the top beam, a sliding piece is slidably connected to the sliding rail, and one end of the sliding piece is connected with a traction rope of the winding piece. The base is detachably connected with the manipulator; and the manipulator bracket is positioned at the opposite tail end and is detachably connected with the supporting bracket. The sliding rail and the sliding part are arranged on the supporting bracket, the sliding part increases the height of the supporting bracket, and the fixed bracket pulls the sliding part to drive the supporting bracket to move, so that the problem that the advancing bracket cannot move forwards due to the fact that gangue surges from a roadway bottom plate and the like, and normal production is influenced is solved.

A burner device (X) in which air (Air) ejected from an air ejection port (21) and fuel (G) ejected from a fuel ejection nozzle (30) are mixed and burned, the fuel ejection nozzle (30) being provided with a short-flame fuel ejection nozzle (31) and a long-flame fuel ejection nozzle (32), the short-flame fuel ejection nozzle (31) and the long-flame fuel ejection nozzle (32) being disposed in the short-flame fuel ejection nozzle (31), and the long-flame fuel ejection nozzle (32) being disposed between the short-flame fuel ejection nozzle (31) and the long-flame fuel ejection nozzle (32). The short-flame fuel discharge nozzle (31) mixes and burns the fuel at a position close to the air discharged from the air discharge port, and the long-flame fuel discharge nozzle (32) mixes and burns the fuel at a position away from the air discharged from the air discharge port.

The utility model relates to a stator and motor. Prevent the space of coil from being smaller. The first coil has first winding part and second winding part. The second winding part is arranged on the first winding part or is arranged on the radial outer side relative to the first winding part. The second coil has third winding part and fourth winding part. The fourth winding part is arranged on the third winding part or is arranged on the radial outer side relative to the third winding part. The connecting part has first jumper wire and second jumper wire. The first jumper wire connects the first winding part and third winding part. The second jumper wire connects the second winding part and fourth winding part. The second jumper wire is arranged on the radial outer side relative to the first jumper wire.

An automobile crossbeam and longitudinal beam connection structure assembly includes a crossbeam and a longitudinal beam connected to the crossbeam, the crossbeam is provided with at least a first mounting portion and a second mounting portion located above the first mounting portion, the longitudinal beam includes at least a first longitudinal plate and a second longitudinal plate located above the first longitudinal plate, the first mounting portion overlaps the first longitudinal plate, the second mounting portion overlaps the second longitudinal plate, and the first mounting portion and the first longitudinal plate and / or the second mounting portion and the second longitudinal plate are further fixedly connected. The longitudinal beam of the present invention adopts a multi-layer structure, and is connected to the crossbeam by multi-layer overlap and additional fixed connection, which improves the rigidity and strength of the overlap structure and ensures good bending and modal performance during driving.

This utility model discloses a storage box assembly for a refrigerator, including a first box body with a first bottom wall and a first side wall; N second box bodies, each with a second bottom wall and a second side wall, the second bottom wall having a first limiting portion; the sum of the outer lengths of the N second box bodies is less than or equal to the inner length of the first box body, the outer width of the second box body is less than or equal to the inner width of the first box body, the outer length of the second box body is greater than the inner width of the first box body, and the length of the first limiting portion is less than or equal to the inner width of the first box body; in a first combination mode, the second box bodies are embedded in the first box body; in a second combination mode, the second box bodies are engaged with the opening end of the first box body through the first limiting portion. In the first combination mode, the second box bodies are embedded in the first box body, reducing the space occupied during transportation and lowering transportation costs; in the second combination mode, the second box bodies are engaged with the opening end of the first box body, facilitating adaptation to the internal space of the refrigerator and avoiding waste of internal space.

A counterweight has: a frame that is guided by a rail to move; a plurality of first counterweights that are disposed in the frame; a braking mechanism; a lifting mechanism; and a lifting mechanism mounting member. The braking mechanism is connected to the frame and has a brake member that stops movement of the frame by gripping the rail when lifted. The lifting mechanism lifts the brake member. The lifting mechanism mounting member mounts the lifting mechanism to the frame and holds a second counterweight.

The utility model relates to a battery shell, which is used for accommodating a battery unit laminated body formed by laminating a plurality of battery units, and is provided with a pressing component for pressing the battery unit laminated body; a load support member separated from the battery cell stack; and a connection member that connects the pressing member and the load support member. The pressing member is disposed so as to face the battery cell stack. The load support member is disposed so as to face the battery cell stack in the same direction as the pressing member, and is disposed at a position farther from the battery cell stack than the pressing member. According to this structure, a load applied from above the vehicle is easily input to the load support member, and the load support member deforms toward the battery cell. However, since the load support member does not come into contact with the battery cells, it is possible to suppress the transmission of load to the battery cell stack. As a result, the risk of damage to the battery with respect to a load applied from above the vehicle can be suppressed.

The present application relates to the technical field of welding control, in particular to a large plate welding equipment control system, comprising a space normalization module, an address generation module, a path screening module, a structure verification module and an interconnection output module.In the present application, in the multi-machine collaborative working environment under strong electromagnetic interference of arc welding, the three-dimensional coordinates of the welding torch contact point are collected with high precision and space normalization processing is performed, which fundamentally eliminates the process data differences caused by different welding postures, a unified sequence number is constructed in combination with the starting timing of the core equipment of the welding power source and the wire feeder, a unique control address is generated by fusing the sequence identifier, the accurate mapping of the physical location of the equipment and the network address is realized, the logical connection sequence is intelligently constructed according to the proximity of the coordinate space, the node and path binding is completed synchronously, the rationality of the connection path and the stability of the communication structure are significantly improved, and the logical order, spatial clarity and control uniformity of the arc welding equipment group collaborative work are ensured.

The invention provides a mask assembly and a method of manufacturing the same. The mask assembly includes: a frame including a frame opening; and an open mask including a cell opening overlapping the frame opening. The open mask further includes a support portion overlapping a remaining one of the cell openings other than the first cell opening.

The utility model provides a riding headgear which comprises a headgear body and headgear side portions, the two headgear side portions are connected with the left side of the headgear body respectively, a ventilation portion is connected to the lower portion between the front sides of the two headgear side portions, the lower sides of the two headgear side portions are both connected with a first sunshade portion, and the lower side of the ventilation portion is connected with a second sunshade portion. The rear side of the first sunshade part is connected with the edge of the rear neck of the corresponding side of the head cover body, and the two sides of the second sunshade part are connected with the first sunshade parts on the two sides respectively. One piece of the head sleeve main body covers the head top, the back side of the head and the back neck, the two pieces of the head sleeve side parts cover the side surfaces of the head, and the two pieces of the first sunshade parts cover the two side surfaces of the neck; the other piece of cloth covers the mouth and the nose; the other piece of cloth covers the front of the neck; the head and neck curve of a wearer is better matched; the sewing line coincides with the mandibular line of the head of the human body, so that the neck part of the head sleeve begins to contract only when the mandibular line reaches, the head sleeve can be kept to be attached to the neck, and the wearing comfort can also be guaranteed.

The present invention discloses an electrode assembly, a battery cell, and a battery cell cutting device, and a battery pack and vehicle including the battery cell. The electrode assembly includes an electrode cell body portion in which a separator is stacked between a first electrode sheet and a second electrode sheet in the form of a sheet, and the first electrode sheet, the second electrode sheet, and the separator are wound, and an uncoated portion, on which an active material layer is not coated, is formed in an end portion of each of the first electrode sheet and the second electrode sheet in a width direction. The electrode cell body portion includes a recessed portion disposed in the uncoated portion of the electrode cell body portion at a core side, and has a height at which the recessed portion is more recessed than the uncoated portion, which is disposed more outward than the uncoated portion at the core side in a radial direction, in an axial direction. A plurality of cut lines formed to a predetermined depth in the axial direction are provided in an outer portion than the recessed portion in a radial direction in the uncoated portion of the electrode cell body portion. The plurality of cut lines are arranged in a line to form a plurality of cut line arrays. The cut line array is formed by an ultrasonically vibrating cutter portion including blades each having a shape corresponding thereto. A bending planned portion of the uncoated portion disposed between the two cut line arrays adjacent in a peripheral direction is pressed and laid down by a press portion to form a forming portion.

The invention belongs to the technical field of biomass combustion boilers, and particularly relates to a high heat absorption rate type biomass combustion boiler which is internally provided with a main box body, a combustion cavity is formed in the main box body, a positioning rack is fixedly arranged in the combustion cavity, and a plurality of groups of guide holes which are uniformly distributed are formed in the positioning rack and penetrate through the positioning rack; two groups of power racks in bilateral symmetry are fixedly arranged on the left and right end faces of the main box body, threaded lead screws are rotationally arranged on the front end faces of the power racks, threaded sliding blocks capable of moving front and back are arranged on the outer circular faces of the threaded lead screws, and scrapers are fixedly arranged on the end faces of the sides, close to the symmetric center, of the threaded sliding blocks and located in the combustion cavity; at the moment, the gas preheats the gas in the water storage cavity in advance, and the water temperature is further raised in advance, so that the efficiency of heat penetrating through the main box body is improved, the heating time of the water in the water storage cavity is shortened, and the heat can be quickly transferred; and at the moment, the heat discharged from the high-temperature gas can be fully absorbed.

The application relates to the technical field of perovskite materials, and discloses a kind of high-efficiency doped perovskite photoelectric conversion materials and preparation method thereof.The preparation raw materials of the perovskite photoelectric conversion material of the application include modified dopant, perovskite precursor solution and anti-solvent;The modified dopant of the application can inhibit the oxidation of Sn 2+ , reduce Sn vacancies and defects by introducing quinoline, thiocyanate and thiourea structure;During the preparation of the perovskite photoelectric conversion material, the introduction of modified dopant can realize efficient and uniform bulk doping, significantly improve the photoelectric conversion efficiency and long-term operation stability of the material, prevent the device from appearing efficiency decay, ion migration and phase separation and other problems under continuous work, and has broad application prospect.

The present invention relates to an internally hollow rotary actuator in which a drive motor is provided inside a lower housing, and three gear trains for deceleration and three pinion units are respectively provided on an upper housing at 120-degree intervals, gear coupling is achieved in such a manner that decelerated rotational power is transmitted between a rotor worm wheel serving as an output end of a drive motor and a ring gear integrally formed on a rotary table. According to the internal hollow type rotation actuator, a rotor worm wheel of a driving motor and a first worm, a second worm and a third worm of a first gear transmission system, a second gear transmission system and a third gear transmission system are subjected to primary speed reduction, and a first worm wheel, a second worm wheel and a third worm wheel and a first small gear unit and a second small gear unit are subjected to secondary speed reduction; a large reduction ratio is obtained through second speed reduction among a fourth worm, a fifth worm and a sixth worm of a third pinion unit and third speed reduction among a first pinion, a second pinion, a third pinion and a ring gear, so that the torque is greatly increased.

The invention relates to the technical field of fruit picking, and provides a flexible picking end effector and a picking system using the same. Comprising a torsion device which is connected with a shell, the shell is connected with a supporting piece, and the supporting piece is connected with a flexible profiling film; a first cavity is formed among the torsion device, the shell and the supporting piece, and a second cavity is formed between the supporting piece and the flexible profiling film. A negative pressure generating device is arranged in the first cavity and is connected with the valve body in the second cavity; the valve body is communicated with the second cavity and the hard bionic suction cup located in the main profiling film body of the flexible profiling film. The device has the beneficial effects that only one negative pressure generating device is adopted, and through the structural design of the ventilation screw and the valve body, the quartz particles are made to adapt to the compacting process of the fruit appearance shape, and negative pressure generation between the suction cup and the fruit does not exist in sequence; the negative pressure between the fruits and the suction cup is completely formed at the same time, the picking efficiency is improved, and it is guaranteed that the fruits are not damaged.

An optical coherence tomography cart according to one embodiment of the present invention comprises: a rotating conduit unit; a body having a housing part formed so as to house the rotating catheter unit; a moving unit which is formed so as to be coupled to the lower part of the main body and which enables the main body to move on the ground; and a display unit which is connected to the upper part of the main body and outputs the information generated by the rotating catheter unit, the display unit being provided inside at least two side surfaces of the main body.

The invention discloses a shallow lake multilayer environment DNA and surface sediment combined sampling method. The method comprises the following steps: S1, acquiring basic geographic information and water physical and chemical parameters of a lake; s2, on the basis of the environment data obtained in the S1, lake layout candidate sampling points are divided; s3, carrying out cleaning treatment on the sampling device; s4, respectively collecting water samples of different water layers of the lake; s5, collecting a lake surface sediment sample, and sealing and storing the lake surface sediment sample and the water sample collected in S4 in different chambers; s6, marking the sealed water sample and sediment sample; and S7, synchronously recording environment parameters and operation logs of the whole sampling process. Compared with the prior art, the shallow lake multilayer environment DNA and surface sediment combined sampling device and the sampling method thereof have the advantages that high-quality combined acquisition of a water body vertical section and a sediment interface eDNA sample is realized, and a reliable sample basis is provided for accurate monitoring of a lake ecosystem.

The invention provides a saddle type vehicle. In a saddle-type vehicle, an engine unit including a unit-type swing engine, a catalyst device, and an exhaust gas sensor is made compact. A saddled vehicle is provided with: a unit swing engine (13) that has a crankcase (43) and a cylinder section (44) that extends from the crankcase (43) such that the cylinder axis extends in the front-rear direction of the vehicle, the unit swing engine (13) being swingably supported by a vehicle body frame (12); a radiator (60) disposed on the side of the crankcase (43); an exhaust pipe (77) connected to the cylinder section (44); a catalyst device (121) provided in the exhaust pipe (77); and an exhaust gas sensor (141) provided to the exhaust pipe (77), the catalyst device (121) and the exhaust gas sensor (141) being disposed apart from the radiator in the vehicle front-rear direction in a side view.

The present invention provides a working vehicle that can improve the ride-on and off-load performance. The working vehicle (1) involved in the embodiment comprises: a transmission case (6) that accommodates a transmission (6a) that transmits power from an engine (E) to a driving wheel and supports a vehicle body (10); a fuel tank (11) that stores fuel supplied to the engine (E); a lower step (26) that is fixed to the side of the transmission case (6); and an upper step (21) that is formed by a part of the fuel tank, the lower step (26) being arranged at a position lower than the upper step (21), and the upper step (21) and the lower step (26) being formed in a stepped shape.

The utility model discloses temperature monitoring equipment for laying hen breeding, and relates to the field of livestock breeding, the temperature monitoring equipment comprises a supporting bottom plate, the supporting bottom plate is provided with a storage groove, the storage groove is provided with a supporting plate, the storage groove is internally provided with a plurality of temperature monitoring heads, the temperature monitoring heads extend upwards to the supporting plate, and the supporting plate is provided with a plurality of temperature sensors. Side plates are symmetrically arranged on the two sides of the supporting bottom plate. The internal space of the supporting plate is guaranteed through the arranged springs, meanwhile, air in the chicken farm is pumped through the arranged air pump, air enters the ventilation box through the air conveying pipe, the arranged ventilation pipe is connected with the supporting plate, temperature balance in the supporting plate is guaranteed, and through the arranged ventilation opening, the temperature in the supporting plate is kept constant. The situation that temperature accumulation in the supporting plate cannot be eliminated in time is avoided, at the moment, the egg laying environment temperature of the laying hens on the supporting plate is monitored through a plurality of temperature monitoring heads, and it is guaranteed that the problem that the egg laying efficiency of the laying hens is reduced due to too high or too low temperature is avoided.

The utility model discloses a vertical full-automatic filling and packaging machine, which relates to the technical field of filling and packaging, and comprises a stock bin, a first-stage electric push rod and a plurality of material injection components, each material injection component comprises a first-stage charging barrel, a second-stage charging barrel, a material sliding pipe, a joint sleeve, a third-stage electric push rod, a second-stage electric push rod and a material injection pipe, the joint sleeve is located at the joint of the first-stage charging barrel, the sliding pipe and the second-stage charging barrel, the sliding pipe is communicated with the interior of the stock bin, the number of the material injection pipes is two, and a middle sliding pipe is installed between the two material injection pipes in a sliding mode; an air-blowing expansion auxiliary mode is adopted, and the air-blowing expansion auxiliary mode is characterized in that a container is filled with a rubber sleeve subjected to air-blowing expansion, the rubber sleeve is in a continuous reset process in the powder blowing process, and the purpose is that on the basis that powder blowing is not interfered, the shape change of the rubber sleeve is used for adapting to the powder blowing volume; and the purposes of preventing the powder from flying dust, wasting and polluting the working environment are achieved.

The invention provides a display module and a display device. The display module comprises a flat panel display area and a curved surface display area. The curved surface display area at least partially surrounds the plane display area; the curved surface display area comprises an arc edge area; the display module comprises a display screen body and a supporting film which are arranged in a stacked mode. The display screen body and the supporting film are respectively provided with a plurality of open grooves in the arc-edge area. Therefore, the extrusion stress during fitting can be released by utilizing the slot of the display screen body and the slot of the supporting film, wrinkles are prevented from being formed, meanwhile, the slot of the supporting film can reduce the size of the slot of the display screen body, the space for releasing the stress and the maximum display area of the display screen body are ensured, and the display effect is effectively improved.

A floating structure according to one embodiment of the present disclosure is provided with: a cargo area of a hull for storing liquefied gas; a bow region of the hull located forward of the cargo region; and a residential area located in the bow area, the residential area including: an outboard floor located above the exposed deck; and an inboard floor located below the exposed deck, the ship width direction end portion of a lower floor including the lowermost floor of the outboard floor being located further inward in the ship width direction than the ship width direction end portion of the ship body in the bow region, and the ship width direction end portion of the lower floor including the lowermost floor of the outboard floor being located further inward in the ship width direction than the ship width direction end portion of the ship body in the bow region. At least one end portion of the inboard floor in the ship width direction is positioned further outward in the ship width direction than the end portion of the lower floor in the ship width direction.

This application relates to the field of printed circuit board technology, and in particular to a high-precision micro-blind via processing method for optical modules. The method includes: acquiring the stack-up structure information of the substrate of the optical module to be processed, the position of the target conductive layer, and the micro-blind via design requirements; establishing a target via digital template corresponding to the via position to be processed; performing pre-forming rough processing based on the target via digital template while simultaneously acquiring online feature signals; identifying material layers and determining the remaining thickness state based on the online feature signals; switching to a low-damage interlayer transition processing state when entering the target termination region; comparing the actual via information with the target via digital template to generate a compensation control quantity; performing fine-tuning processing based on the compensation control quantity to complete the micro-blind via termination depth control and via shape correction, and performing post-processing corresponding to the via wall quality state. This application solves the problem that it is difficult to simultaneously achieve ideal conditions for via depth endpoint control and via shape consistency during micro-blind via processing.