141results about How to "Expand coverage" patented technology

The application provides a consumer rights protection intelligent review method and system based on a large language model, and relates to the technical field of artificial intelligence and natural language processing. The method comprises: preprocessing a text to be reviewed to obtain structured text feature data; using a pre-trained large language model to perform semantic understanding on the structured text feature data to obtain a text semantic vector containing domain semantic information; performing joint retrieval and matching on the text semantic vector in combination with a knowledge graph and a rule base to identify and output a risk element set; and performing compliance determination based on the risk element set to obtain a preliminary review conclusion containing a risk level, evidence sufficiency, rule matching degree and benchmark confidence. The application automatically converts an original text into a high-confidence review conclusion with explainability through intelligent processing of the whole process.

The invention provides a question and answer processing method, device and equipment, a computer readable storage medium and a computer program product. The method comprises the steps of executing vector semantic retrieval in a vector database set of each target knowledge base to obtain a first candidate result set, and executing keyword retrieval in each target knowledge base to obtain a second candidate result set; fusing the first candidate result set and the second candidate result set to obtain single-library candidate result sets corresponding to the target knowledge bases, and merging all the single-library candidate result sets to obtain a global candidate result set; sorting the global candidate result set to obtain a global sorting result set; selecting a target number of candidate results from the global sorting result set to obtain a final sorting result set; and generating answers based on the final sorting result set by using a large language model. Through the method, the authenticity and reliability of the intelligent question-answering result can be improved, and a solid data support is provided for intelligent question-answering service.

The utility model provides a multi-point oil supply lubricating device for a bearing of a phase modifier. The multi-point oil supply lubricating device comprises an oil storage and supply box body, an oil supply access pipe, three oil pumps, three groups of oil supply branch pipe assemblies and an adjusting and mounting protection frame, an oil supply access pipe is arranged at the top of the oil storage and supply tank body, three oil pumps are fixedly mounted on the oil storage and supply tank body, and the three oil pumps are connected with the three oil supply branch pipe assemblies correspondingly and used for extracting lubricating oil in the oil storage and supply tank body and independently conveying the lubricating oil to the corresponding oil supply branch pipe assemblies for fixed-point oil supply; one side of the top of the oil storage and supply tank body is provided with an adjusting and mounting protection frame capable of adjusting the positions of the three groups of oil supply branch pipe assemblies and protecting the three groups of oil supply branch pipe assemblies; and the adjusting and mounting protection frame comprises a mounting plate mounted on the oil storage and supply tank body and three protection pipe frames capable of adjusting the height and respectively penetrating through the three groups of oil supply branch pipe assemblies. Three paths of relatively independent oil supply structures can be formed, and a high-temperature protection effect can be achieved on the branch pipe part, close to the bearing part of the phase modifier, of the oil supply branch pipe assembly.

The invention relates to the technical field of data standardization, is suitable for the field of vehicles and finance, and provides a vehicle transaction evaluation information processing method, computer equipment and a readable storage medium. Determining whether vehicle feature information matched with the vehicle transaction evaluation information exists in a vehicle information database or not; if the vehicle information database has the vehicle feature information matched with the vehicle transaction evaluation information, filling a to-be-input position of the vehicle transaction evaluation information with the vehicle feature information; and otherwise, if the vehicle information database does not have the vehicle feature information matched with the vehicle transaction evaluation information, entering a manual additional recording mode, and storing the vehicle feature information subjected to manual additional recording into the vehicle information database. According to the technical scheme, a standardized automatic processing flow of vehicle transaction evaluation information from extraction to input is realized.

The utility model relates to a cold -air machine with adjustable pedestal, including cold -air machine body, the pedestal that is fixedly arranged below cold -air machine body, the pedestal includes the square board that is arranged below cold -air machine body, the adjusting device that is arranged on the square board, a plurality of support legs that are fixedly arranged below the square board, the wheel that is respectively arranged on a plurality of support legs, the adjusting device includes the first motor that is fixedly arranged below the square board, the first gear that is fixedly arranged in the first motor output, the second gear that rotatably arranged below the square board and is engaged with the first gear, the carousel that is fixedly arranged on the second gear, the drive mechanism that is arranged on the carousel is used to drive the up-and-down swing of cold -air machine body. Use this cold -air machine, and cold -air machine body can swing up and down while carrying on autogyration, two kinds of movement modes do not interfere with each other, realize compound air supply mode, significantly increase the coverage area and air disturbance of cold air, promote the mixing and diffusion of cold air and indoor hot air, accelerate the overall cooling speed.

This invention relates to a visual inspection device for elevator pit buffers, belonging to the technical field of buffer visual inspection devices. It includes: multiple robotic arms, multiple joint drive mechanisms, and multiple camera mechanisms. The robotic arms are sequentially rotatably connected, with the arm closer to the first end being the first robotic arm and the arm closer to the last end being the last robotic arm. Multiple joint drive mechanisms are respectively arranged between adjacent robotic arms, with their fixed parts fixed to the first robotic arms and their rotating parts fixed to the corresponding last robotic arms. Multiple camera mechanisms are circumferentially spaced and fixed to the last robotic arm. This invention designs the last robotic arm as a ring-shaped mechanism, giving it the dual functions of a robotic arm end effector and a multi-camera mounting support structure. It can be fitted over the buffer from above, achieving a wraparound multi-view image acquisition, effectively solving the problem of difficulty in observing the buffer in narrow pit spaces.

The utility model discloses a portable building construction dust collector, include: damping pool, backflow baffle, swivel joint, rotating pipe, atomizing spray head, power pipe, backwater pipe, water pipe, water tank, the central hole and the water leakage hole of damping pool's center are provided with, backflow baffle connects in the middle part of damping pool, swivel joint is connected on the central hole, and the top of rotating joint is connected in rotating pipe lower part, and atomizing spray head is connected in the front of rotating pipe, the top of power pipe is connected on the lateral wall of rotating pipe, and the lower part is located between damping pool, backflow baffle, water tank is located at the bottom of damping pool, and backwater pipe top is connected in the bottom of water leakage hole, and the top of water pipe is connected the bottom of swivel joint, and the inside of water tank is provided with water pump, and the bottom of water pipe is inserted into the water tank and is connected the water outlet of water pump, and the support is connected between damping pool, water tank. The utility model discloses can realize the rotation spray under the condition of not needing the external rotation power, and effectively expands the coverage of spray dust removal.

A method performed by a wireless device (130) is described herein. The wireless device (130) operates in a wireless communications network (100). The wireless device (130) provides (602) a message to be sent to a network node (110) operating in the wireless communications network (100). The message is a first scheduled message to be sent to the network node (110) in a random access procedure. The message comprises a first indicator (707) of a type of the message. The type of message has: a) a fixed size SDU (702), and b) a one byte header (704) comprising the first indicator (707) and lacking a second indicator (713) of a length of a payload. The wireless device (130) also initiates sending (603) the provided message to the network node (110). Also described is a method performed by the network node (110) receiving (1307) and initiating processing (1302) the message, based on the first indicator (707).

The utility model relates to maintenance tool technical field discloses a kind of anti-pulling wheel devices, including nut, with the screw rod being connected in nut through thread, at least two support arms being arranged around nut along circumferential direction and the draw hook being arranged on each support arm, pull rod is equipped between the draw hook and screw rod, second pin is inserted on the support arm, the side of draw hook upper portion close to screw rod is rested on second pin, one end of pull rod is hinged with the middle part of draw hook, other end is hinged with the part between second pin and nut of support arm.In work, pull rod pulls draw hook, and simultaneously, because the outer circle of draw hook upper portion is rested on second pin, according to lever principle, the pulling force of pull rod acting on draw hook will exert clamping force towards screw rod axis to the hook tip of draw hook bottom, so as to clamp the component to be disassembled, prevent the hook tip from loosening from pulley, and then cause the disassembly failure of the component to be disassembled.

The utility model relates to the technical field of hot melt adhesive coating and laminating, and discloses a hot melt adhesive coating and laminating machine which comprises a baffle, a connecting plate and a shell, lifting assemblies are arranged at the two ends of the connecting plate, a cover plate is arranged at the end of the shell, buckle assemblies are arranged at the two ends of the cover plate, and a heating assembly is arranged at the bottom of the shell. A left-right moving assembly is arranged on the side face of the connecting plate, and a conveying assembly is arranged on the inner side of the baffle. The buckle assembly comprises an L-shaped block, the end of the L-shaped block is rotationally connected to the inner side of the cover plate, and two second fixing blocks are fixedly connected to the side face of the shell. According to the utility model, through the matching design of the elliptical clamping blocks and the L-shaped blocks, the cover plate can be firmly fixed, the cover plate is ensured not to loosen in the operation process of equipment, and the stability and the safety of the equipment are ensured. And the heating wire assemblies at the two ends of the heating box are used for heating the glue outlet pipe, so that the hot melt glue stick can be uniformly heated and quickly melted.

The application discloses a steel sheet stamping feeding device, and relates to the field of machining.The device comprises a base, an isolation plate for guiding and cleaning liquid is fixedly connected in the base, a collecting box for collecting waste liquid is fixedly connected and communicated with the bottom surface of the base, and an auxiliary mechanism for stamping treatment of the steel sheet is arranged on the top surface of the base.The application simultaneously drives the rotation of the rolling brush and the reciprocating movement of the piston rod by means of the rotating column, realizes the synchronous performance of the mechanical brushing of the dirt on the surface of the steel belt and the automatic spraying of the cleaning liquid, simplifies the technological process by the integrated design, avoids the problems of independent cleaning equipment and additional manual operation in the traditional process, improves the production efficiency, and expands the cleaning liquid coverage by the linkage design of the sliding groove in the cylinder and the piston rod, so that the cylinder can swing at an angle during the cleaning liquid spraying process, the cleaning liquid is more evenly distributed on the surface of the steel belt, the waste caused by local insufficient cleaning or excessive spraying is avoided, and the cleaning effect is improved.

The utility model belongs to chemical industry safety static electricity elimination technical field especially relates to a static electricity elimination device for chemical industry safety. Including the track that extends from front to back, be provided with the movable box that its length direction moves on the track, install ion fan on movable box, the track includes slide rod, a plurality of support columns that are distributed in order from front to back and are used for supporting them are fixed on the slide rod, all support columns are fixed with the same slide rail, the slide rail is mutually parallel with the slide rod, the slide seat that is used for with the slide rail is fixed on movable box and is in front and back sliding cooperation, install drive wheel that rolls along the slide rail on the slide seat, install motor that makes drive wheel rotate in movable box, be fixed with the slide sleeve that is in sliding cooperation with the slide rod on movable box, the opening is set up on the slide sleeve to the support column correspondingly. The utility model carries ion fan along the slide rail length direction to and fro by movable box, makes ion fan work in the movement, to improve the coverage of static electricity elimination.

The invention discloses a 5G network ultra-far coverage method, system and device for marine economy and a medium, and belongs to the technical field of wireless communication, and the method comprises the steps: building a geometric propagation relation based on the earth curvature according to the hanging height of an antenna and the height of a terminal device, and calculating a sight distance coverage distance through a geometric figure formed by a base station antenna, a terminal and the earth center; adaptively selecting a working frequency band according to the sight distance coverage distance and the service bandwidth requirement, determining an antenna gain requirement and a beam width requirement according to the wavelength characteristic of the working frequency band, and selecting an antenna; when a time division duplex system is adopted, the cyclic prefix length and the guard interval length are configured according to the propagation time delay so as to expand the coverage distance; and when the frequency of the working frequency band is relatively high, a multi-cell joint receiving and uplink channel quality enhancement technology is configured. According to the method, the sight distance coverage range is accurately calculated by establishing the geometric propagation model based on the earth curvature, and ultra-long-distance coverage of the sea area is realized through frequency band antenna collaborative optimization and frame structure parameter configuration.

The utility model relates to the technical field of coal mine field dust falling, and discloses an open-pit coal mine field dust falling device which comprises a base, an installation frame is fixedly installed on the top side of the base, a lifting notch is formed in the installation frame, and a lifting plate is movably installed in the lifting notch. A lifting adjusting driving mechanism for the lifting plate is arranged on the top side of the mounting frame, two rotating grooves are formed in the lifting plate, spraying cylinders are rotationally mounted in the two rotating grooves, and a plurality of water spraying heads are arranged on the two spraying cylinders; according to the device, the coverage range of water spraying and dust falling of a plurality of water spraying heads on the two spraying cylinders is enlarged, meanwhile, a first motor is driven in a matched mode, a threaded rod can be driven to rotate in a reciprocating mode, and a lifting plate is subjected to reciprocating lifting adjustment in a lifting notch of a mounting frame; and therefore, the reciprocating lifting height adjustment of the two spraying cylinders on the lifting plate can be synchronously realized, and the working efficiency of the dust falling device for the open-pit coal mine field is improved.

The utility model relates to the technical field of fire-fighting sprinkler heads, in particular to an angle-adjustable automatic rotating fire-fighting sprinkler head which comprises an assembly plate, a water conveying pipe is fixedly connected to the top of the assembly plate, a connecting pipe is arranged below the assembly plate, and an electric push rod is arranged below the assembly plate. An output end of the bottom of the electric push rod is fixedly connected with a push rod, the bottom of the push rod is fixedly connected with a moving block, and the right side of the moving block is rotatably connected with a rotating column. And as the rotating plate is rotationally connected with the rotating column, the rotating plate can drive the spray head to rotate after rotating upwards, the device can adjust the spraying angle of the spray head, and the problem that the fire extinguishing effect is affected due to the fact that a blind area appears in the spraying range of the spray head and part of the area cannot be covered with water is solved.

The embodiment of the utility model discloses a battery device, an energy storage device, an energy storage system and a charging network. The battery device comprises a plurality of battery cells, wherein a pressure relief mechanism is arranged on the wall part of a shell of each battery cell; the discharge pipeline comprises a gas collecting pipe, the gas collecting pipe comprises a first area and a plurality of second areas, the first area and the second areas are oppositely arranged along the thickness direction of the wall part, the second areas are second through holes or weak areas, and the plurality of second areas are in one-to-one correspondence with the pressure relief mechanisms of the plurality of single batteries; the plurality of pressure relief mechanisms are arranged in the second area, so that emissions discharged by the plurality of pressure relief mechanisms enter the gas collecting pipe through the second area; and the heat insulation piece covers the first area. According to the battery device, the energy storage device, the energy storage system and the charging network, the reliability and the stability of the battery device can be improved.

This utility model discloses a rotating spray semiconductor cleaning device, relating to the field of semiconductor cleaning technology. The rotating spray semiconductor cleaning device includes a housing, inside which a cleaning mechanism is installed for cleaning semiconductors. The cleaning mechanism includes a drive assembly, which includes an electric push rod fixedly mounted on the top of the housing. A support rod is fixedly mounted on the top of the electric push rod, and a support frame is fixedly mounted on the bottom of the support rod. When the support frame rotates, it drives the spray head to rotate clockwise and counterclockwise around the semiconductor at a 120-degree angle, allowing the cleaning fluid to be sprayed onto the surface of the semiconductor from multiple directions, such as the sides and bottom, avoiding dead zones caused by spraying in one direction. The electric push rod can flexibly adjust the height of the semiconductor through the support rod and the support frame, ensuring that the semiconductor is always within the optimal spray range of the spray head, further ensuring that all areas of the semiconductor surface are effectively cleaned by the cleaning fluid.

The utility model discloses a novel swing type planetary ball mill, which relates to the technical field of ball milling equipment and comprises a base, two swing support frames fixed at the top of the base, swing bearing seats fixed at the tops of the swing support frames, a swing frame rotatably connected between the two swing support frames through the swing bearing seats, and a swing arm mechanism arranged on the base. The swing arm mechanism comprises a speed reducer fixed to the base, a motor is installed at the input end of the speed reducer, a rotating wheel is fixed to an output shaft of the speed reducer, a swing arm is fixed to the shaft end of one end of the swing frame, and a connecting rod is rotationally connected between the rotating wheel and the swing frame. Reciprocating swing of the grinding tank can enlarge the coverage range of grinding balls in the tank, the phenomenon that materials on the inner edge or the bottom of the grinding tank are not fully ground in a traditional single rotation mode is reduced, an additional impact direction such as horizontal or vertical vibration can be introduced, energy input in unit time can be improved in combination with original planetary rotation, and the service life of the grinding tank is prolonged. And particularly, the crushing effect on tough materials is better.

The application relates to the security check technical field and discloses a door plate applied to a security check device, the security check device has a detection channel, the door plate comprises a door plate body and a detection module, and the detection module is arranged on the door plate body. The detection module comprises a fundamental wave emission unit for emitting a fundamental wave signal, a first receiving unit and a second receiving unit, and the first receiving unit and the second receiving unit are used for receiving a harmonic wave signal. The first receiving unit and the second receiving unit are located at different positions in a first direction, wherein the first direction is parallel to the running direction of the detection channel. The door plate and the security check device provided by the application can reduce the range of the detection blind area in the running direction and reduce the false negative rate.

The invention belongs to the technical field of lightning positioning, and particularly relates to a lightning positioning method based on low-frequency whistle wave dispersion characteristics of an electromagnetic satellite, and the method comprises the steps: obtaining ELF / VLF electromagnetic field secondary data of an SCM load and an EFD load of a Zhang Heng No.1 satellite, and carrying out the time sequence reconstruction of original data; calculating satellite space physical coordinates, respectively generating dynamic power spectral density maps of the magnetic field data and the electric field data through short-time Fourier transform, and performing time alignment and cutting processing on the PSD maps; identifying whistle wave traces with continuous drop frequency characteristics on the PSD graph, and classifying regularly spaced whistle waves into multi-hop whistle events according to time continuity and morphological similarity; selecting high-frequency region feature points and low-frequency region feature points on each whistle wave trace, and recording coordinate data of the feature points if the high-frequency region feature points and the low-frequency region feature points are satisfied;

This disclosure provides an intelligent system and its antenna gain enhancement device. The antenna gain enhancement device includes several metal components and an insulating housing. Each metal component comprises an insulating main body and a metal layer and an insulating layer sequentially arranged from the inside out on the outer surface of the main body. Several independent metal components are arranged within the housing in a predetermined manner. The antenna gain enhancement device is matched with the antenna in the intelligent system. The metal components are used to generate polarization under the influence of an applied electromagnetic field to improve antenna gain. In this disclosure, by designing the antenna gain enhancement device to include several metal components and an insulating housing, these metal components do not require assembly and are directly installed into the housing in an ordered or disordered manner. This achieves polarization under the influence of an applied electromagnetic field, forming an enhanced electric field in the direction of electromagnetic wave propagation, thereby enhancing antenna gain and enabling wider communication range, smoother network speeds, and lower signal latency.

The present application relates to a kind of metabolic pathway extension network based on structural feature automatical establishment method, belong to bioinformatics and computational chemistry technical field.The purpose is to solve the problem of existing KEGG database incomplete, annotation lag of metabolite.Method includes: obtaining KEGG skeleton and modified group construction seed library;Through substructure matching and set difference calculation to determine the attribution of derivative;Iterative expansion forms structure association set;Combining stereochemistry rule and mass difference verification screening derivative;Merging KEGG reaction and extended relationship constructs network, and remove redundant path by graph theory method, finally output extended pathway network.The method greatly improves the annotation rate of metabolite pathway, supports in-depth functional analysis of metabolomics data.

The invention belongs to the technical field of deep sea navigation positioning, and provides an inertial navigation tight coupling correction method and system based on a time-sharing collaborative underwater acoustic beacon, and the technical scheme is as follows: in the navigation process of an AUV (Autonomous Underwater Vehicle), before acoustic auxiliary information arrives, a pure inertial navigation mode is adopted, and based on acquired IMU data and depth sensor data, inertial navigation calculation is carried out; obtaining an AUV navigation state containing an accumulative error; after the acoustic auxiliary information arrives, switching to a combined navigation mode for resolving, utilizing beacons at different positions to cooperatively broadcast acoustic information in a time-sharing manner, resolving the horizontal distance between the AUV and each beacon, and applying a vertical coordinate constraint; based on the measurement distance and the AUV navigation state containing the accumulative error, fusion processing is carried out through a tight coupling filtering algorithm, the accumulative error in the AUV navigation state is corrected, and a corrected AUV positioning result is obtained. And long-endurance and high-precision underwater positioning of the AUV is realized.

The application discloses an interactive method of a double-tracing safety production supervision system, relates to the technical field of safety production supervision systems, and discloses the interactive method of the double-tracing safety production supervision system, which integrates an AI identification and an artificial reporting double-source hidden danger data collection mechanism, cross-verify double-source hidden danger data, constructs a double-binding system of data tracing credentials and operation process tracing records, and combines visual interaction of a GIS map and multi-dimensional safety performance evaluation, effectively solves the technical problems of incomplete hidden danger coverage, difficult responsibility tracing, missing quantitative evaluation and insufficient terminal cooperation in a traditional supervision system, can realize comprehensive collection of double-source hidden danger data, cross-checking and purification of double-source hidden danger data, complete construction of a double-tracing mechanism, quantitative evaluation of safety performance and closed-loop management of a supervision process, and effectively improves the coverage range, tracing capability and decision-making efficiency of safety production supervision.

The utility model relates to the technical field of paint spraying, and discloses a paint spraying device convenient to adjust the spraying range, which comprises a stirring assembly and a spraying assembly, the stirring assembly is arranged above the spraying assembly, the stirring assembly comprises a fixing frame, the upper end of the fixing frame is connected with a stirring barrel, and the upper end of the fixing frame is connected with the spraying assembly. The upper end of the stirring barrel is connected with a feeding port, the upper end of the stirring barrel is connected with a stirring motor, the output end of the stirring motor is fixedly connected with a rotating shaft, one side of the rotating shaft is connected with a first stirring blade, one side of the first stirring blade is connected with a second stirring blade, and one side of the rotating shaft is connected with a connecting column. According to the spraying device, bubbles in paint can be discharged through the hole grooves, the bubble defect in the sprayed coating is reduced, the quality of the coating is improved, the risk that the stirring blades are damaged is reduced, the spraying coverage range can be enlarged, the time for adjusting the position of the device can be shortened, and the spraying efficiency is improved under the condition that the spraying device body is not moved. And therefore, the spraying efficiency is improved.

This invention relates to the field of blast furnace dust control technology, specifically to an integrated dust control device for environmentally friendly charging and injection of nickel-containing raw materials in a blast furnace. The device includes a base plate, inclined bridge tracks, and guide rails. Two inclined bridge tracks, oriented towards the blast furnace, are fixedly installed on the base plate. Limiting rails for guiding blast furnace charging cars are provided on the inclined bridge tracks. A guide rail is fixedly connected between the two inclined bridge tracks. A dust suppression mechanism for suppressing dust generated during the loading and unloading of blast furnace charging cars is slidably installed on the guide rails. The dust suppression mechanism of this invention moves synchronously up and down along the guide rails with the blast furnace charging car via a drive mechanism, always aligning with the charging car's loading port. It achieves dynamic tracking dust suppression throughout the entire process of loading, unloading, and tipping. The spray pattern can be adjusted by the cooperation of the support frame and the protrusions on the mounting rod, ensuring uninterrupted dust suppression and effectively preventing dust overflow.

The utility model discloses an inorganic bead porcelain buoyancy material drying and curing device, which relates to the technical field of material drying and curing and comprises a base, a drying box body, a hinge, a box door, a bearing seat, a sliding rail, a first motor, a lifting block, a screw rod, a drying component, a second motor, a rotating shaft, a rotating disc, a slot, a screw rod, a nut, a hook and the like. The drying assembly design that the electric heating wire is matched with an air feeder and a horn-mouth-shaped air blowing nozzle is adopted. The electric heating wire generates heat, and the air feeder blows out hot air through the horn-mouth-shaped air blowing nozzle. The horn-mouth-shaped air blowing nozzles can enable hot air to be diffused more evenly, the coverage range of the hot air is enlarged, local overheating or insufficient drying of the materials is avoided, it is ensured that the inorganic bead porcelain buoyancy materials are heated evenly, the problem that due to uneven drying of traditional drying equipment, the performance of the materials is inconsistent is effectively solved, and the product quality is improved.

The invention belongs to the technical field of spraying equipment, and particularly relates to an aluminum profile surface spraying device and a self-adaptive adjusting device.The aluminum profile surface spraying device comprises a spraying room, a suspended ceiling and an aluminum profile, the suspended ceiling penetrates through the spraying room, and a hanging rail is laid on the lower surface of the suspended ceiling through a hanging rod; the aluminum material spraying device further comprises an adjustable hoisting assembly, the adjustable hoisting assembly and the hoisting rail are hoisted in a sliding mode, strip devices are distributed at the two ends of the adjustable hoisting assembly in an array mode at an adjustable interval, and the two strip devices at the same height are used for clamping the two ends of an aluminum material and driving the aluminum material to rotate during spraying operation. And the paint suction assembly and the spraying machine are symmetrically distributed on the two sides of the spraying area, the paint suction assembly internally comprises a suction channel outer body arranged in a lifting mode, and the suction channel outer body moves up and down along with the spraying head and is used for increasing the spraying area while recycling paint. The problems that in a horizontal spraying mode, decoration face covering is uneven, the space utilization rate is low, and raw material loss is large are solved.

The application discloses a method for matching selection of a ship body, a main engine and a propeller, and comprises the following steps: step 1, setting ship parameters, design requirements and propeller parameters; step 2, constructing a propeller hydrodynamic performance prediction model based on a support vector machine, wherein the input of the model is the propeller parameters, and the output of the model is the open water power of the propeller; step 3, constructing a four-stage matching method, and optimizing a disc area ratio in each stage; step 4, performing cavity checking and strength checking on the matching results output in step 3, and taking the matching results meeting the checking as effective propellers; and step 5, sorting the effective propellers by a double optimization target method, and taking the optimal effective propeller as the final matching result. The application can quickly provide the matching selection result of the ship body, the main engine and the propeller, can comprehensively design the main engine and the propeller parameters, and ensures that the open water efficiency of the propeller reaches the optimum, and reduces the labor cost in the design process.

The application provides a kind of smart glasses, it is related to smart wearable device technical field.The smart glasses include: glasses frame and two legs, each leg includes shell, multiple antenna radiators and electric control components, shell is hinged with glasses frame, multiple antenna radiators are distributed along the length direction of shell, electric control components are electrically connected with multiple antenna radiators respectively, and electric control components are configured to control at least part of work in multiple antenna radiators.The smart glasses provided in the application, antenna radiator can be used as the support structure of shell, while ensuring the structural strength of leg, improve the available space of antenna radiator in the smart glasses, so that the shape and size of antenna radiator can be flexibly adjusted, and the antenna radiator is also provided as multiple, which is beneficial to the smart glasses to cover more working frequency bands, expand the signal coverage range of smart glasses, and improve signal transmission speed.