134results about How to "Guaranteed connectivity" patented technology

The invention relates to the technical field of sensor design analysis, in particular to a flexible sensor design method and system based on topological optimization, and the method comprises the following steps: building a coupling equation of a flexible sensor under the action of multiple physical fields of mechanics, electricity and thermotics, simulating stress, potential and temperature distribution of different areas in the design space based on material parameters; dividing a design space into a high-stress area, a transition area and a low-stress area according to stress, potential and temperature distribution, and defining a performance target for each area; and dynamically adjusting the state of the unit material, and adaptively adjusting the connectivity constraint of the topological structure according to the distribution change of the material in the iteration process. According to the invention, the sensitivity of potential response is effectively improved, so that the sensor has efficient signal detection capability in a stress concentration area, and unnecessary material redundancy is reduced at the same time.

The invention discloses a shock insulation support tensile strength detection device, and relates to the technical field of shock insulation support tensile strength detection, the shock insulation support tensile strength detection device comprises a detection base and a tensile strength detection assembly, hydraulic push rods are fixed on two sides of the detection base, and the tensile strength detection assembly is connected to the bottom of a lifting beam frame and the surface of the detection base. According to the tensile strength detection device for the shock insulation support, the shock insulation support only needs to be placed in the adaptive groove, and by means of staggered distribution of bolt holes and electric telescopic piston rods, steel plate clamping hooks can stably clamp the side edges of a lower steel plate and an upper steel plate of the shock insulation support under the self-gravity of the shock insulation support and the descending action of a lifting beam frame, so that the tensile strength of the shock insulation support is detected; after detection is finished, an electric telescopic piston rod penetrates through a bolt hole to be reset through rotation of a rotating disc, so that a steel plate clamping hook automatically gets away from the shock insulation support assembly to loosen clamping of the shock insulation support assembly, the labor burden of manual repeated screwing and unscrewing of bolts for reinforcement and disassembly is reduced, and the working efficiency is improved. And the tensile detection operation of the shock insulation support is simpler.

The invention relates to an efficient heat dissipation type server case shell, and relates to the technical field of server cases. The efficient heat dissipation type server case shell comprises a shell body and a filter screen, the shell body is further provided with a cleaning mechanism, the cleaning mechanism comprises a cleaning frame and a driving assembly, the cleaning frame is provided with a plurality of bristles, the bristles extend into meshes in the filter screen, and the driving assembly drives the cleaning frame to rotate. And the driving assembly is used for driving the cleaning frame to move in the height direction of the filter screen, so that dust in meshes of the filter screen is brushed off by the bristles. The computer case shell has the effect of ensuring the heat dissipation effect of the computer case shell.

The invention discloses a remote monitoring and maintenance installation system for a high-altitude photovoltaic power station, and the system comprises a special protection monitoring unit, a self-adaptive adjustment installation support, a remote monitoring and maintenance control center, and a high-altitude special communication network module, which are sequentially connected with one another and work cooperatively. Through the innovative design of a high-definition camera in the special protection monitoring unit, that is, a nanometer hydrophobic material coated on the outer layer of a lens and an anti-fog coating integrated with a heating wire are combined with an intelligent temperature control module, the problem that the lens fogs and is blurred in a high-altitude, low-temperature and high-humidity environment is effectively solved, and it is ensured that clear monitoring images can be obtained at any time; operation and maintenance personnel can conveniently and accurately master the site condition of the power station. The multi-sensor integration module integrates various high-precision sensors, various key data in a high-altitude environment can be comprehensively collected, a rich and accurate data basis is provided for subsequent data analysis, risk assessment and decision making, potential problems can be found in advance, and response measures can be taken in time.

The present invention relates to the technical field of medical devices, and proposes a proximal femoral fixation steel plate, comprising a steel plate body and a first screw, wherein the first screw comprises a nail tube, a rotating cylinder and a drill rod, wherein the nail tube penetrates and is slidably arranged in the steel plate body, and the peripheral side of the nail tube is provided with an annular groove and a first through hole that are interconnected; the rotating cylinder is rotatably arranged in the annular groove, and the peripheral side thereof is provided with an interconnected reinforcement groove and a second through hole; the drill rod is fixedly arranged on the rotating cylinder, and its length direction is parallel to the axial direction of the nail tube, and the side away from the axis of the nail tube is spaced from the peripheral side of the rotating cylinder. The present invention arranges a rotating cylinder and a drill rod on the nail tube, and when the nail tube is screwed into the femur, the drill rod can be driven to move along the axial direction of the nail tube, so as to open a line groove for storing bone cement on the inner wall of the femoral borehole, which not only improves the degree of fixation of the first screw and the femur, but also reduces the damage area of ​​the femur to the drill rod.

The invention discloses an assembly type ecological building protection structure suitable for a high groundwater level canal section, the assembly type ecological building protection structure comprises a foundation and a protection slope which are symmetrically arranged on the two sides of a canal, the foundation comprises a prefabricated slope toe and a slope toe cushion layer arranged on the lower portion of the prefabricated slope toe, and the protection slope comprises a lock catch brick layer, a first abutment cap, a first honeycomb geocell and other structures. A self-adaptive frost heaving deformation fabricated structure is adopted as a whole, frost heaving force is released, the construction speed is high, meanwhile, synchronous construction can be achieved through the provided construction method, construction is not affected by construction time, construction can be conducted in any season, the construction efficiency is improved, the construction cost is reduced, and synchronous water supply can be achieved in the construction period. The invention further discloses a dynamic safety evaluation system for the channel slope, the system fuses field multi-source monitoring data, realizes automatic monitoring and constructs a comprehensive supervision system in combination with survey data and data, so that problems are found in time, hidden dangers are processed in time, comprehensive management of the channel is realized, and the maintenance cost is reduced.

The invention discloses an EPDT multi-hop ad hoc network service route switching method, system and device and a medium, and the method comprises the steps that a node B receives a frame sent by a node A, detects a frame synchronization error rate and an RSSI value, and sends a forwarding node switching control frame in a next transmitting time slot if the values exceed a threshold value; the node B is converted into a receiving node and waits for receiving a request control frame of a new forwarding node; the peripheral nodes of the node B receive the switching control frame of the forwarding node, and if the switching frequency of the previous node can be received, the request control frame is sent according to the sequence of addresses in the frame; the node B receives the request control frame, judges a node B1 more suitable for serving as a new forwarding node according to the received RSSI value of the node A and the bit error rate of the intermediate control bit, and sends a request confirmation control frame after confirming the new forwarding node; and switching to a new forwarding node, and establishing a new forwarding link for routing. According to the invention, route switching can be carried out on the premise of not influencing the whole call.

The invention relates to the technical field of lithium batteries, and discloses a ZIF-derived high-nano-silicon-loaded silicon-carbon negative electrode material, a preparation method and a battery, and the preparation method comprises the following steps: S1, surface modification of nano silicon; s2, preparing a ZIF precursor solution; s3, mixing the surface modified nano silicon with the ZIF precursor solution, and compounding by adopting mechanical ball milling; and S4, carrying out carbonization treatment on the composite material to prepare the ZIF-derived high-nano-silicon-loaded silicon-carbon negative electrode material. According to the preparation method disclosed by the invention, high-uniformity distribution of nano silicon in a carbon-based skeleton is realized based on a mechanical ball-milling method by modifying the surface of the nano silicon, optimizing the structural design of a ZIF material and introducing a silicon precursor, and a carbon network with excellent conductivity is formed by controlling a carbonization process, so that the electrochemical performance and the cycling stability of the composite material are remarkably improved.

The utility model discloses a high temperature resistant pressure vessel, relates to pressure vessel field, including container body, the front center of container body is provided with the switch pipeline, the upper, lower, left and right both sides of switch pipeline inner wall front side all are provided with the moving groove, the one side of each of the four moving groove inner wall is provided with the sliding groove, the sliding groove is provided with the sliding groove. By arranging the transmission mechanism, the sealing mechanism and the like, the sealing performance of equipment is improved, the problem that a gap between a sealing gasket and a container cover is enlarged after a traditional high-temperature-resistant pressure container is opened and closed for multiple times is solved, the sealing performance of the equipment is improved, and the service life of the equipment is prolonged. According to the invention, the leakage of the medium in the equipment is prevented, the potential safety hazard during the use of the equipment is reduced, the problem of serious consequences such as fire or explosion possibly caused by the reduction of the leakproofness of the traditional equipment is avoided, and the use effect of the equipment is greatly improved.

The utility model discloses a novel workpiece automatic detection pressure device. The novel workpiece automatic detection pressure device comprises a base, a pressing block, a pressure sensor and a vacuum adsorption assembly. In the application, the driving piece drives the transmission rod to rotate, the transmission rod provides pushing force for the moving seat through screwing with the inner surface wall of the moving seat, the moving seat drives the vacuum suction cup to longitudinally move along the polished rod until the vacuum suction cup moves to a proper longitudinal position, and the corrugated pipe synchronously stretches out and draws back in the process; the workpiece is placed on the base and above the vacuum chuck, the vacuum generator works, the vacuum chuck performs negative pressure adsorption on the workpiece to position the workpiece, finally, the pushing piece pushes the bracket, and the pressure sensor is matched with the pressing block to perform pressure detection on the workpiece. The vacuum suction mode is not affected by the outer contour of the workpiece, the longitudinal position of the vacuum suction cup can be adjusted, and different positioning requirements can be met.

The utility model provides an MOS-based multi-power garment steamer control circuit and a multi-power garment steamer, the MOS-based multi-power garment steamer control circuit comprises a power switch, a load circuit, a bridge rectifier module and an MOS control circuit, the power switch is connected with the load circuit, the load circuit comprises a first branch circuit and a second branch circuit which are connected in parallel, the first branch circuit is connected with a water supply part in series, and the second branch circuit is connected with the bridge rectifier module. The second branch is connected with a bridge rectifier module, the bridge rectifier module is connected with a heating part in series, the load circuit is connected with an MOS control circuit, the MOS control circuit is connected with the bridge rectifier module, and the MOS control circuit is used for determining whether to disconnect the load circuit or not according to whether the peak value of the working voltage exceeds a set threshold value or not. Normal work of the multi-power-supply garment steamer under different power supply voltages is achieved.

This invention discloses a pressure control device, method, and system for the coexistence of different types of full-containment tanks. It includes: multiple full-containment tanks, each equipped with a first pressure sensor, and each full-containment tank connected to an input pipe via a valve group; each full-containment tank is connected to a flare and an output pipe, with a first control valve between the flare and the full-containment tank; the first control valve and valve group of each full-containment tank are respectively connected to a controller, which controls the opening and closing of the first control valve and valve group; two full-containment tanks with different design pressures share a single output pipe, and a pressure protection system is installed on the output pipe between the two full-containment tanks. The pressure protection system includes at least one first shut-off valve and a second pressure sensor connected to the controller; in response to a trigger signal from the second pressure sensor, the controller controls the opening and closing of the first shut-off valve. This allows for the simultaneous operation of full-containment tanks with different design pressures while ensuring the safe and stable operation of the station.

The utility model relates to a matching structure of an inner knife and an outer knife of a biopsy needle. The matching structure comprises an inner knife tube and an outer needle tube sleeved outside the inner knife tube, an expansion pipe section capable of containing more collected tissues is arranged on the front side of the inner knife pipe, and the lower peripheral side pipe wall, corresponding to the pipe section, of the tissue suction inlet expands outwards to form an expansion groove structure; a fluid conveying channel is formed between the expansion groove structure and the outer wall of the expansion pipe section; the rear section of the inner knife tube is in clearance fit with the rear section of the outer needle tube to form an annular conveying cavity communicated with the fluid conveying channel. According to the utility model, the expansion tube section of the inner knife tube is matched with the expansion groove structure of the outer needle tube, so that the sample collection space of the inner knife tube is maximized, and the sampling effect is improved; while the outer wall surface of the expansion tube section is tightly attached to the inner wall surface of the outer needle tube, the gap is minimized, meanwhile, the expansion groove structure of the outer needle tube can be communicated with the annular conveying cavity, fluid communication is ensured, and cutter blockage caused by the fact that fluid cannot be communicated after tissue cutting is completed is avoided.

The stoma drainage bag comprises a bag body, an opening for stoma excrement to flow in is formed in the upper side of the bag body, and scale marks are arranged on the outer surface of the bag body; an exhaust port is further formed in the upper side of the bag body, an exhaust pipe is arranged at the exhaust port, a partition plate is arranged in the exhaust pipe, a plurality of first through holes are evenly formed in the partition plate, the bag body is communicated with the outside through the first through holes, an adjusting plate is rotationally connected into the exhaust pipe, and a communicating part for communicating the first through holes and a shielding part for shielding the first through holes are arranged on the adjusting plate; an adsorption assembly used for adsorbing peculiar smell is further detachably connected into the exhaust pipe. The scale marks are arranged, so that the excretion amount can be conveniently recorded; by arranging the adsorption assembly at the exhaust port, peculiar smell in the gas can be adsorbed during exhaust, and the problem that the gas cannot be directly exhausted is solved.

The present invention relates to the field of packaging equipment design, and in particular to a separate hot plate copper contact structure, wherein a copper electric contact unit comprises an upper copper top column, a lower copper moving guide column, a spring and a terminal, the upper copper top column is fixed on the wall of a vacuum chamber horizontally, the outer end of the upper copper top column outside the vacuum chamber is fixed with a terminal, an insulating fixed block is fixed on the hot plate inside the vacuum chamber, a limiting hole is provided on the fixed block, a spring is arranged inside the limiting hole, one end of the lower copper moving guide column abuts against the end of the spring, and the other end of the lower copper moving guide column abuts against the inner end of the upper copper top column, there are two copper electric contact units, there are two limiting holes, a heating tube is connected between the springs of the two copper electric contact units, the heating tube is arranged inside the hot plate, the terminal of the two copper electric contact units is connected to a power supply, and during the movement of the hot plate, the lower copper moving guide column is always abutted and connected with the upper copper top column by relying on the elastic force of the spring, the vacuum chamber and the hot plate are easy to disassemble and have a long service life.

The utility model relates to the technical field of teaching aids, in particular to a device for teaching simulation of valves and pipelines, which comprises a bottom plate, a positioning elbow, a maintenance gate valve, a movable elbow and a left fixing plate, the maintenance gate valve is positioned between the positioning elbow and the movable elbow, a telescopic sleeve is connected between the maintenance gate valve and the movable elbow, and the left fixing plate is provided with a left fixing plate and a right fixing plate. A left flange plate is arranged on one side of the positioning bent pipe, a right flange plate is arranged on the other side of the positioning bent pipe and is in threaded connection with a right fixing plate through a first inner hexagon screw, four base plates are arranged between the bottom of the left fixing plate and the bottom plate, two sliding through grooves are formed in the left fixing plate, and first T-shaped screws connected into the sliding through grooves in a sliding mode are arranged on the left fixing plate. A first positioning nut in threaded connection with the first T-shaped screw is arranged above the left fixing plate, the side edge of the positioning bent pipe and the side edge of the movable bent pipe are each provided with a four-branch connector, and a manual valve is arranged on each four-branch connector. According to the structure, the length of the pipeline can be adjusted according to requirements, and installation during teaching is facilitated.

The present disclosure provides a message processing method and device, equipment and storage medium, comprising: in response to receiving a to-be-processed message, extracting quintuple information from the to-be-processed message; matching the quintuple information with the index key of the session table to determine the type of the to-be-processed message, wherein the index key of the session table is constructed based on the quintuple information of the established session; in response to the type of the to-be-processed message being a first packet, matching the quintuple information with the index key of the association mapping table to determine whether the to-be-processed message is an associated session of the main session, wherein the index key of the association mapping table is constructed based on the IP address and port information obtained by parsing the application layer of the control channel message of the multi-channel protocol, and the main session is the session of the control channel; in response to the to-be-processed message being an associated session of the main session, performing forwarding processing on the to-be-processed message.

This utility model discloses a rear blind spot warning light projection device for commercial vehicles, relating to the field of warning light technology. It includes a light projection head, with a connecting base installed at one end and a controller installed on one side of the connecting base. A light emission port is embedded in the outer wall of the light projection head, and a fixing block is fixedly connected to the outer wall of the other end of the light projection head. A millimeter-wave radar is embedded in the outer wall of the fixing block. This utility model uses the light emission port on the outer wall of the light projection head to project warning light signals onto the ground to form a regular and clear warning pattern, directly prompting surrounding traffic participants to avoid the area. In conjunction with a motor driving a drive gear to rotate, and through meshing with a driven gear, the mounting block and the light projection head connected to it achieve angle adjustment. This allows the utility model to dynamically adjust the projection angle according to the vehicle's reversing direction or vehicle length, ensuring that the warning area always covers the actual blind spot and improving the warning effect.

The invention relates to the technical field of image analysis, and discloses an AI-based CT image automatic analysis system, which comprises the following modules: a data acquisition and preprocessing module for acquiring original CT image data from CT equipment or an image storage system, an image segmentation module for segmenting different organs in a CT image, a feature extraction module for extracting features of different organs in the CT image, and an image analysis module for analyzing the features of different organs in the CT image. And the diagnosis and analysis module is used for carrying out real-time diagnosis on a patient, result visualization and report generation module and automatically generating a diagnosis report according to diagnosis and analysis results. According to the method, the connectivity of blood vessels can be kept when the AI system segments the CT image through the established topology structure, and the current segmentation process is optimized through the algorithm when the unreasonable part of the connectivity of the blood vessels exists in the current segmentation algorithm process through calculation and retrieval, so that the segmentation efficiency is improved. And the problem of blood vessel fracture possibly occurring in a traditional segmentation method is avoided.

The utility model relates to the technical field of kitchens and bathrooms, and discloses a faucet water outlet expansion structure which comprises a faucet body and an expansion assembly, the faucet body is provided with an expansion water outlet, and the expansion assembly is installed on the faucet body in a matched mode and communicated with the expansion water outlet. The expansion assembly comprises at least one expansion piece, and a water outlet connector is installed on the expansion piece and used for being connected with water equipment. When the number of the expansion pieces is larger than one, every two adjacent expansion pieces are detachably connected and communicate with each other. The utility model has the advantages that the water outlet can be expanded and the use is convenient.

The present invention discloses a preparation method and application of a thermosetting polyurethane modified drainage asphalt mixture. The mixture comprises 4 to 8 parts by mass of thermosetting polyurethane modified asphalt and 92 to 96 parts by mass of mineral material; the thermosetting polyurethane modified asphalt is obtained by reacting 40 to 60 parts by mass of base asphalt, 40 to 60 parts by mass of polyurethane prepolymer and 10 to 20 parts by mass of chain extender; the polyurethane prepolymer is a polyether prepolymer, and its active group NCO content is 11 to 13%. The preparation process of the mixture is: after heating and stirring the base asphalt, the polyurethane prepolymer is added to carry out a grafting reaction, and then the chain extender is added and stirred to react to obtain a thermosetting polyurethane modified drainage asphalt, and then the mineral material and the remaining raw materials are added in sequence and mixed evenly to obtain. Based on the excellent performance of the mixture, it is used to prepare a double-layer drainage pavement, which effectively solves the influence of blockage on the functionality of the voids in the prior art, and while exerting the anti-blocking performance, it can maximize its drainage performance.

The utility model provides a direct burial type corrugated pipe compensator, which relates to the technical field of direct burial type corrugated pipe compensators, and comprises first flange pieces, an anti-corrosion mechanism is arranged on the outer side of one of the first flange pieces, the anti-corrosion mechanism comprises two fixed cylinders, one ends, close to each other, of the two fixed cylinders are jointly and fixedly connected with a hose, and the hose is fixedly connected with the first flange pieces. Wherein the outer surface of one fixing cylinder fixedly communicates with an air inlet pipe, the outer surface of the air inlet pipe is in threaded connection with a first extension cylinder, the top end of the first extension cylinder is fixedly connected with a first protection plate, and the outer surface of the other fixing cylinder fixedly communicates with an air outlet pipe. According to the directly-buried corrugated pipe compensator, the fixing barrel and the hose are matched with each other, the corrugated pipe can be surrounded through the fixing barrel and the hose, a good working space is provided for the corrugated pipe, and external air can be sucked into the space between the corrugated pipe and the fixing barrel through the cooperation of the air inlet pipe; therefore, the interior of the space can be communicated with the external space, and condensed water drops are prevented.

The present invention discloses an adaptive expansion mechanism and an adaptive expansion polishing mechanism thereof. The adaptive expansion mechanism comprises a rotating wheel and an elastic leather cavity connected to the outer ring of the rotating wheel. A plurality of piston cavities are evenly arranged along the radial direction inside the rotating wheel. The outer diameter side opening of the piston cavity is connected to the elastic leather cavity, and the inner diameter side opening is connected to the atmosphere. A limiting structure is arranged at the inner diameter side opening. A centrifugally slidable piston is installed in the piston cavity. When the piston slides centrifugally, gas can be replenished into the elastic leather cavity and the elastic leather cavity can be expanded. The present invention arranges an elastic leather cavity on the outer ring of the rotating wheel, and arranges a piston along the radial direction inside the rotating wheel. The rotation of the rotating wheel itself enables the piston to move centrifugally and replenish gas into the elastic leather cavity, so that the size of the centrifugal force of the piston can be adjusted by adjusting the rotation speed, and then the expansion state of the elastic leather cavity can be adjusted, and finally an adaptive state is reached.

Embodiments of the present application disclose a fault isolation method and device, a switch and a storage medium. The method can be applied to a switch, the switch comprising a CPU and a FPGA, the CPU and the FPGA being in communication connection with a timer; the fault isolation method comprising: sending a signal to the timer by the CPU, and determining whether the switch has a fault according to detected state information of the timer; in the case that it is determined that the CPU has a fault, sending a signal to the timer by the FPGA, and clearing a target configuration of the switch according to a preset protocol file, so that the network connectivity can be ensured and the fault site can be isolated when the CPU in the switch has a fault.

The utility model discloses an electric saucepan, which comprises a base, a steaming drawer assembly and a water tank, the steaming drawer assembly and the water tank are arranged on the base, a mounting groove for mounting the water tank is arranged on one side of the steaming drawer assembly on the base, a water retaining rib is further arranged on the upper surface of the base, and the water retaining rib comprises a first water retaining section positioned between the water tank and the steaming drawer assembly, and a second water retaining section positioned between the water tank and the steaming drawer assembly. A first water receiving groove is formed between the first water retaining section and the side, facing the steaming drawer assembly, of the water tank, and the first water receiving groove is used for collecting water dripping from the surface of the side, facing the steaming drawer assembly, of the water tank. According to the electric steamer, the condensate water dripping from the surface of the side, facing the steaming drawer assembly, of the water tank can be collected, the condensate water is prevented from scattering and flowing all around and flowing to the control panel, and therefore the use experience is improved, and potential safety hazards are reduced.

The present application provides a gas-liquid ratio testing device and a secondary oil and gas recovery system, which relate to the field of oil and gas recovery technology. The gas-liquid ratio testing device includes a simulated oil tank, an ORVR oil gun, an adapter, a filling pipe, and a metering component. The simulated oil tank has an oil filling pipe, and the oil filling pipe includes a non-ORVR oil tank filling pipe and an ORVR oil tank filling pipe; the adapter and the ORVR oil gun are detachably connected; the ORVR oil gun can at least switch between a first state of being plugged in with the non-ORVR oil tank filling pipe and a second state of being plugged in with the ORVR oil tank filling pipe; the metering component is connected to the adapter, and the metering component can measure the volume of gas flowing through the transit oil and gas recovery channel. The gas-liquid ratio testing device provided in the present application is compatible with oil guns with ORVR function and oil guns without ORVR function.

The application relates to the technical field of power electronic equipment testing, and discloses a working condition simulation testing device for a power module, which comprises a wind guide structure, a positioning and bearing structure, a fan module, an electrical interface module and a control module. The power module is detachably installed through the positioning structure, so that the heat dissipation air duct of the power module is accurately connected with the air duct of the device; the fan module drives air flow under the adjustment of the control module to simulate heat dissipation conditions; the electrical interface module quickly builds a complete power testing link; and the transformer can be integrated to realize synchronous heat dissipation. The utility model overcomes the defect that the working condition simulation of the existing testing means is not real, provides a highly integrated, parameter-adjustable and convenient-to-operate testing platform, and significantly improves the accuracy and efficiency of power module temperature rise and aging testing.

The utility model relates to an integrated base station, it includes single board computer and software defined radio board. Among them, single board computer includes: power module, communication interface, first data processing unit, first data processing unit is configured for to signal baseband processing, and first heat dissipation module, first heat dissipation module with power module and / or first data processing unit heat connection. Software defined radio board with single board computer is connected through PCIE bus communication, and it includes: second heat dissipation module, second data processing unit, power amplifier module and radiating module, wherein, second heat dissipation module with second data processing unit and / or power amplifier module heat connection.

The invention provides a connected terrain generation method and device, electronic equipment and a storage medium, and relates to the technical field of computer graphics, and the method provides a basis for the subsequent generation of a connected terrain by defining the adjacency relationship and the connection relationship between blocks, thoroughly distinguishing the adjacency relationship and the connection relationship, and introducing the connection relationship. According to the method, an improved wave function collapse algorithm is introduced, limitation adjacent to a connected area is added when a collapse object is selected in the improved wave function collapse algorithm, and limitation capable of being communicated with at least one boundary image block in the connected area is added when a determined state of the collapse object is selected; according to the method, the adjacency relation and the connectivity relation can serve as constraint conditions at the same time in the generation process, generation of non-connected areas is fundamentally prevented, the connected areas are continuously expanded to cover the whole terrain grid along with generation steps, and then the connected terrain is obtained.

The utility model discloses a rear embedded ventilation structure for aeration behind a gate, which comprises a gate chamber, a bottom plate of the gate chamber is divided into a doorsill front bottom plate and a doorsill rear bottom plate, the doorsill front bottom plate is horizontally arranged, the doorsill rear bottom plate is lower than the doorsill front bottom plate, and an aeration groove is arranged on the doorsill rear bottom plate; an air mixing pipe is vertically arranged in the side wall of the lock chamber, a bottom port of the air mixing pipe extends into the air mixing groove, and a top port of the air mixing pipe extends into the lock chamber and is higher than the highest drainage water surface line; a breather pipe is arranged in the rear wall of the lock chamber, a bottom port of the breather pipe is arranged to be higher than the highest drainage water surface line, and a top port of the breather pipe extends upwards to the position above the free water surface of the lock top. The device is simple in structure, convenient to construct, low in cost, good in operation effect and capable of conducting aeration protection on the bottom plate of the lock chamber and the lower portion of the side wall, so that the corrosion reducing and resisting effects on the concrete side wall are achieved, and engineering safety is guaranteed.